1 /* perl.h 2 * 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others 5 * 6 * You may distribute under the terms of either the GNU General Public 7 * License or the Artistic License, as specified in the README file. 8 * 9 */ 10 11 #ifndef H_PERL 12 #define H_PERL 1 13 14 #ifdef PERL_FOR_X2P 15 /* 16 * This file is being used for x2p stuff. 17 * Above symbol is defined via -D in 'x2p/Makefile.SH' 18 * Decouple x2p stuff from some of perls more extreme eccentricities. 19 */ 20 #undef MULTIPLICITY 21 #undef USE_STDIO 22 #define USE_STDIO 23 #endif /* PERL_FOR_X2P */ 24 25 #ifdef PERL_MICRO 26 # include "uconfig.h" 27 #else 28 # include "config.h" 29 #endif 30 31 /* NOTE 1: that with gcc -std=c89 the __STDC_VERSION__ is *not* defined 32 * because the __STDC_VERSION__ became a thing only with C90. Therefore, 33 * with gcc, HAS_C99 will never become true as long as we use -std=c89. 34 35 * NOTE 2: headers lie. Do not expect that if HAS_C99 gets to be true, 36 * all the C99 features are there and are correct. */ 37 #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \ 38 defined(_STDC_C99) || defined(__c99) 39 # define HAS_C99 1 40 #endif 41 42 /* See L<perlguts/"The Perl API"> for detailed notes on 43 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */ 44 45 /* Note that from here --> to <-- the same logic is 46 * repeated in makedef.pl, so be certain to update 47 * both places when editing. */ 48 49 #ifdef USE_ITHREADS 50 # if !defined(MULTIPLICITY) 51 # define MULTIPLICITY 52 # endif 53 #endif 54 55 #ifdef PERL_GLOBAL_STRUCT_PRIVATE 56 # ifndef PERL_GLOBAL_STRUCT 57 # define PERL_GLOBAL_STRUCT 58 # endif 59 #endif 60 61 #ifdef PERL_GLOBAL_STRUCT 62 # ifndef MULTIPLICITY 63 # define MULTIPLICITY 64 # endif 65 #endif 66 67 #ifdef MULTIPLICITY 68 # ifndef PERL_IMPLICIT_CONTEXT 69 # define PERL_IMPLICIT_CONTEXT 70 # endif 71 #endif 72 73 /* undef WIN32 when building on Cygwin (for libwin32) - gph */ 74 #ifdef __CYGWIN__ 75 # undef WIN32 76 # undef _WIN32 77 #endif 78 79 #if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS)) 80 # ifndef SYMBIAN 81 # define SYMBIAN 82 # endif 83 #endif 84 85 #ifdef __SYMBIAN32__ 86 # include "symbian/symbian_proto.h" 87 #endif 88 89 /* Any stack-challenged places. The limit varies (and often 90 * is configurable), but using more than a kilobyte of stack 91 * is usually dubious in these systems. */ 92 #if defined(__SYMBIAN32__) 93 /* Symbian: need to work around the SDK features. * 94 * On WINS: MS VC5 generates calls to _chkstk, * 95 * if a "large" stack frame is allocated. * 96 * gcc on MARM does not generate calls like these. */ 97 # define USE_HEAP_INSTEAD_OF_STACK 98 #endif 99 100 /* Use the reentrant APIs like localtime_r and getpwent_r */ 101 /* Win32 has naturally threadsafe libraries, no need to use any _r variants. */ 102 #if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN) 103 # define USE_REENTRANT_API 104 #endif 105 106 /* <--- here ends the logic shared by perl.h and makedef.pl */ 107 108 /* Microsoft Visual C++ 6.0 needs special treatment in numerous places */ 109 #if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300 110 # define USING_MSVC6 111 #endif 112 113 #undef START_EXTERN_C 114 #undef END_EXTERN_C 115 #undef EXTERN_C 116 #ifdef __cplusplus 117 # define START_EXTERN_C extern "C" { 118 # define END_EXTERN_C } 119 # define EXTERN_C extern "C" 120 #else 121 # define START_EXTERN_C 122 # define END_EXTERN_C 123 # define EXTERN_C extern 124 #endif 125 126 /* Fallback definitions in case we don't have definitions from config.h. 127 This should only matter for systems that don't use Configure and 128 haven't been modified to define PERL_STATIC_INLINE yet. 129 */ 130 #if !defined(PERL_STATIC_INLINE) 131 # ifdef HAS_STATIC_INLINE 132 # define PERL_STATIC_INLINE static inline 133 # else 134 # define PERL_STATIC_INLINE static 135 # endif 136 #endif 137 138 #ifdef PERL_GLOBAL_STRUCT 139 # ifndef PERL_GET_VARS 140 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 141 EXTERN_C struct perl_vars* Perl_GetVarsPrivate(); 142 # define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */ 143 # else 144 # define PERL_GET_VARS() PL_VarsPtr 145 # endif 146 # endif 147 #endif 148 149 /* this used to be off by default, now its on, see perlio.h */ 150 #define PERLIO_FUNCS_CONST 151 152 #define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL 153 154 #ifdef PERL_GLOBAL_STRUCT 155 # define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS() 156 #else 157 # define dVAR dNOOP 158 #endif 159 160 #ifdef PERL_IMPLICIT_CONTEXT 161 # ifndef MULTIPLICITY 162 # define MULTIPLICITY 163 # endif 164 # define tTHX PerlInterpreter* 165 # define pTHX tTHX my_perl PERL_UNUSED_DECL 166 # define aTHX my_perl 167 # define aTHXa(a) aTHX = (tTHX)a 168 # ifdef PERL_GLOBAL_STRUCT 169 # define dTHXa(a) dVAR; pTHX = (tTHX)a 170 # else 171 # define dTHXa(a) pTHX = (tTHX)a 172 # endif 173 # ifdef PERL_GLOBAL_STRUCT 174 # define dTHX dVAR; pTHX = PERL_GET_THX 175 # else 176 # define dTHX pTHX = PERL_GET_THX 177 # endif 178 # define pTHX_ pTHX, 179 # define aTHX_ aTHX, 180 # define pTHX_1 2 181 # define pTHX_2 3 182 # define pTHX_3 4 183 # define pTHX_4 5 184 # define pTHX_5 6 185 # define pTHX_6 7 186 # define pTHX_7 8 187 # define pTHX_8 9 188 # define pTHX_9 10 189 # define pTHX_12 13 190 # if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL) 191 # define PERL_TRACK_MEMPOOL 192 # endif 193 #else 194 # undef PERL_TRACK_MEMPOOL 195 #endif 196 197 #define STATIC static 198 199 #ifndef PERL_CORE 200 /* Do not use these macros. They were part of PERL_OBJECT, which was an 201 * implementation of multiplicity using C++ objects. They have been left 202 * here solely for the sake of XS code which has incorrectly 203 * cargo-culted them. 204 */ 205 #define CPERLscope(x) x 206 #define CPERLarg void 207 #define CPERLarg_ 208 #define _CPERLarg 209 #define PERL_OBJECT_THIS 210 #define _PERL_OBJECT_THIS 211 #define PERL_OBJECT_THIS_ 212 #define CALL_FPTR(fptr) (*fptr) 213 #define MEMBER_TO_FPTR(name) name 214 #endif /* !PERL_CORE */ 215 216 #define CALLRUNOPS PL_runops 217 218 #define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags)) 219 220 #define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags) 221 #define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \ 222 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \ 223 (strbeg),(minend),(sv),(data),(flags)) 224 #define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \ 225 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \ 226 (strend),(flags),(data)) 227 #define CALLREG_INTUIT_STRING(prog) \ 228 RX_ENGINE(prog)->checkstr(aTHX_ (prog)) 229 230 #define CALLREGFREE(prog) \ 231 Perl_pregfree(aTHX_ (prog)) 232 233 #define CALLREGFREE_PVT(prog) \ 234 if(prog) RX_ENGINE(prog)->rxfree(aTHX_ (prog)) 235 236 #define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \ 237 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv)) 238 239 #define CALLREG_NUMBUF_STORE(rx,paren,value) \ 240 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value)) 241 242 #define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \ 243 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren)) 244 245 #define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \ 246 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH)) 247 248 #define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \ 249 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE)) 250 251 #define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \ 252 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE)) 253 254 #define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \ 255 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR)) 256 257 #define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \ 258 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS)) 259 260 #define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \ 261 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY)) 262 263 #define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \ 264 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY)) 265 266 #define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \ 267 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR)) 268 269 #define CALLREG_NAMED_BUFF_COUNT(rx) \ 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT) 271 272 #define CALLREG_NAMED_BUFF_ALL(rx, flags) \ 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags) 274 275 #define CALLREG_PACKAGE(rx) \ 276 RX_ENGINE(rx)->qr_package(aTHX_ (rx)) 277 278 #if defined(USE_ITHREADS) 279 #define CALLREGDUPE(prog,param) \ 280 Perl_re_dup(aTHX_ (prog),(param)) 281 282 #define CALLREGDUPE_PVT(prog,param) \ 283 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \ 284 : (REGEXP *)NULL) 285 #endif 286 287 288 289 290 291 /* 292 * Because of backward compatibility reasons the PERL_UNUSED_DECL 293 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh. 294 * 295 * Note that there are C compilers such as MetroWerks CodeWarrior 296 * which do not have an "inlined" way (like the gcc __attribute__) of 297 * marking unused variables (they need e.g. a #pragma) and therefore 298 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even 299 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above). 300 * 301 */ 302 303 #if defined(__SYMBIAN32__) && defined(__GNUC__) 304 # ifdef __cplusplus 305 # define PERL_UNUSED_DECL 306 # else 307 # define PERL_UNUSED_DECL __attribute__((unused)) 308 # endif 309 #endif 310 311 #ifndef PERL_UNUSED_DECL 312 # if defined(HASATTRIBUTE_UNUSED) && (!defined(__cplusplus) || (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))) 313 # define PERL_UNUSED_DECL __attribute__unused__ 314 # else 315 # define PERL_UNUSED_DECL 316 # endif 317 #endif 318 319 /* gcc -Wall: 320 * for silencing unused variables that are actually used most of the time, 321 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs, 322 * or variables/arguments that are used only in certain configurations. 323 */ 324 #ifndef PERL_UNUSED_ARG 325 # if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */ 326 # include <note.h> 327 # define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x)) 328 # else 329 # define PERL_UNUSED_ARG(x) ((void)sizeof(x)) 330 # endif 331 #endif 332 #ifndef PERL_UNUSED_VAR 333 # define PERL_UNUSED_VAR(x) ((void)sizeof(x)) 334 #endif 335 336 #if defined(USE_ITHREADS) || defined(PERL_GLOBAL_STRUCT) 337 # define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl) 338 #else 339 # define PERL_UNUSED_CONTEXT 340 #endif 341 342 /* gcc (-ansi) -pedantic doesn't allow gcc statement expressions, 343 * g++ allows them but seems to have problems with them 344 * (insane errors ensue). 345 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2). 346 */ 347 #if defined(PERL_GCC_PEDANTIC) || \ 348 (defined(__GNUC__) && defined(__cplusplus) && \ 349 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2)))) 350 # ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN 351 # define PERL_GCC_BRACE_GROUPS_FORBIDDEN 352 # endif 353 #endif 354 355 /* Use PERL_UNUSED_RESULT() to suppress the warnings about unused results 356 * of function calls, e.g. PERL_UNUSED_RESULT(foo(a, b)). 357 * 358 * The main reason for this is that the combination of gcc -Wunused-result 359 * (part of -Wall) and the __attribute__((warn_unused_result)) cannot 360 * be silenced with casting to void. This causes trouble when the system 361 * header files use the attribute. 362 * 363 * Use PERL_UNUSED_RESULT sparingly, though, since usually the warning 364 * is there for a good reason: you might lose success/failure information, 365 * or leak resources, or changes in resources. 366 * 367 * But sometimes you just want to ignore the return value, e.g. on 368 * codepaths soon ending up in abort, or in "best effort" attempts, 369 * or in situations where there is no good way to handle failures. 370 * 371 * Sometimes PERL_UNUSED_RESULT might not be the most natural way: 372 * another possibility is that you can capture the return value 373 * and use PERL_UNUSED_VAR on that. 374 * 375 * The __typeof__() is used instead of typeof() since typeof() is not 376 * available under strict C89, and because of compilers masquerading 377 * as gcc (clang and icc), we want exactly the gcc extension 378 * __typeof__ and nothing else. 379 */ 380 #ifndef PERL_UNUSED_RESULT 381 # if defined(__GNUC__) && defined(HASATTRIBUTE_WARN_UNUSED_RESULT) 382 # define PERL_UNUSED_RESULT(v) STMT_START { __typeof__(v) z = (v); (void)sizeof(z); } STMT_END 383 # else 384 # define PERL_UNUSED_RESULT(v) ((void)(v)) 385 # endif 386 #endif 387 388 /* on gcc (and clang), specify that a warning should be temporarily 389 * ignored; e.g. 390 * 391 * GCC_DIAG_IGNORE(-Wmultichar); 392 * char b = 'ab'; 393 * GCC_DIAG_RESTORE; 394 * 395 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html 396 * 397 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011; 398 * clang only pretends to be GCC 4.2, but still supports push/pop. 399 * 400 * Note on usage: on non-gcc (or lookalike, like clang) compilers 401 * one cannot use these at file (global) level without warnings 402 * since they are defined as empty, which leads into the terminating 403 * semicolon being left alone on a line: 404 * ; 405 * which makes compilers mildly cranky. Therefore at file level one 406 * should use the GCC_DIAG_IGNORE and GCC_DIAG_RESTORE_FILE *without* 407 * the semicolons. 408 * 409 * (A dead-on-arrival solution would be to try to define the macros as 410 * NOOP or dNOOP, those don't work both inside functions and outside.) 411 */ 412 413 #if defined(__clang__) || defined(__clang) || \ 414 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) 415 # define GCC_DIAG_PRAGMA(x) _Pragma (#x) 416 /* clang has "clang diagnostic" pragmas, but also understands gcc. */ 417 # define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \ 418 GCC_DIAG_PRAGMA(GCC diagnostic ignored #x) 419 # define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop") 420 #else 421 # define GCC_DIAG_IGNORE(w) 422 # define GCC_DIAG_RESTORE 423 #endif 424 /* for clang specific pragmas */ 425 #if defined(__clang__) || defined(__clang) 426 # define CLANG_DIAG_PRAGMA(x) _Pragma (#x) 427 # define CLANG_DIAG_IGNORE(x) _Pragma("clang diagnostic push") \ 428 CLANG_DIAG_PRAGMA(clang diagnostic ignored #x) 429 # define CLANG_DIAG_RESTORE _Pragma("clang diagnostic pop") 430 #else 431 # define CLANG_DIAG_IGNORE(w) 432 # define CLANG_DIAG_RESTORE 433 #endif 434 435 #define NOOP /*EMPTY*/(void)0 436 /* cea2e8a9dd23747f accidentally lost the comment originally from the first 437 check in of thread.h, explaining why we need dNOOP at all: */ 438 /* Rats: if dTHR is just blank then the subsequent ";" throws an error */ 439 /* Declaring a *function*, instead of a variable, ensures that we don't rely 440 on being able to suppress "unused" warnings. */ 441 #ifdef __cplusplus 442 #define dNOOP (void)0 443 #else 444 #define dNOOP extern int Perl___notused(void) 445 #endif 446 447 #ifndef pTHX 448 /* Don't bother defining tTHX ; using it outside 449 * code guarded by PERL_IMPLICIT_CONTEXT is an error. 450 */ 451 # define pTHX void 452 # define pTHX_ 453 # define aTHX 454 # define aTHX_ 455 # define aTHXa(a) NOOP 456 # define dTHXa(a) dNOOP 457 # define dTHX dNOOP 458 # define pTHX_1 1 459 # define pTHX_2 2 460 # define pTHX_3 3 461 # define pTHX_4 4 462 # define pTHX_5 5 463 # define pTHX_6 6 464 # define pTHX_7 7 465 # define pTHX_8 8 466 # define pTHX_9 9 467 # define pTHX_12 12 468 #endif 469 470 #ifndef dVAR 471 # define dVAR dNOOP 472 #endif 473 474 /* these are only defined for compatibility; should not be used internally */ 475 #if !defined(pTHXo) && !defined(PERL_CORE) 476 # define pTHXo pTHX 477 # define pTHXo_ pTHX_ 478 # define aTHXo aTHX 479 # define aTHXo_ aTHX_ 480 # define dTHXo dTHX 481 # define dTHXoa(x) dTHXa(x) 482 #endif 483 484 #ifndef pTHXx 485 # define pTHXx PerlInterpreter *my_perl 486 # define pTHXx_ pTHXx, 487 # define aTHXx my_perl 488 # define aTHXx_ aTHXx, 489 # define dTHXx dTHX 490 #endif 491 492 /* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation) 493 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...). 494 * dTHXs is therefore needed for all functions using PerlIO_foo(). */ 495 #ifdef PERL_IMPLICIT_SYS 496 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 497 # define dTHXs dVAR; dTHX 498 # else 499 # define dTHXs dTHX 500 # endif 501 #else 502 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 503 # define dTHXs dVAR 504 # else 505 # define dTHXs dNOOP 506 # endif 507 #endif 508 509 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus) 510 # ifndef PERL_USE_GCC_BRACE_GROUPS 511 # define PERL_USE_GCC_BRACE_GROUPS 512 # endif 513 #endif 514 515 /* 516 * STMT_START { statements; } STMT_END; 517 * can be used as a single statement, as in 518 * if (x) STMT_START { ... } STMT_END; else ... 519 * 520 * Trying to select a version that gives no warnings... 521 */ 522 #if !(defined(STMT_START) && defined(STMT_END)) 523 # ifdef PERL_USE_GCC_BRACE_GROUPS 524 # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */ 525 # define STMT_END ) 526 # else 527 # define STMT_START do 528 # define STMT_END while (0) 529 # endif 530 #endif 531 532 #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */ 533 # define BYTEORDER 0x1234 534 #endif 535 536 /* Overall memory policy? */ 537 #ifndef CONSERVATIVE 538 # define LIBERAL 1 539 #endif 540 541 #if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90 542 #define ASCIIish 543 #else 544 #undef ASCIIish 545 #endif 546 547 /* 548 * The following contortions are brought to you on behalf of all the 549 * standards, semi-standards, de facto standards, not-so-de-facto standards 550 * of the world, as well as all the other botches anyone ever thought of. 551 * The basic theory is that if we work hard enough here, the rest of the 552 * code can be a lot prettier. Well, so much for theory. Sorry, Henry... 553 */ 554 555 /* define this once if either system, instead of cluttering up the src */ 556 #if defined(MSDOS) || defined(WIN32) || defined(NETWARE) 557 #define DOSISH 1 558 #endif 559 560 #if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__) 561 # define STANDARD_C 1 562 #endif 563 564 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO) 565 # define DONT_DECLARE_STD 1 566 #endif 567 568 #if defined(HASVOLATILE) || defined(STANDARD_C) 569 # define VOL volatile 570 #else 571 # define VOL 572 #endif 573 574 /* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT, 575 * you get a perl without taint support, but doubtlessly with a lesser 576 * degree of support. Do not do so unless you know exactly what it means 577 * technically, have a good reason to do so, and know exactly how the 578 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered 579 * a potential security risk due to flat out ignoring the security-relevant 580 * taint flags. This being said, a perl without taint support compiled in 581 * has marginal run-time performance benefits. 582 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT. 583 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it 584 * silently ignores -t/-T instead of throwing an exception. 585 * 586 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT 587 * voids your nonexistent warranty! 588 */ 589 #if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT) 590 # define NO_TAINT_SUPPORT 1 591 #endif 592 593 /* NO_TAINT_SUPPORT can be set to transform virtually all taint-related 594 * operations into no-ops for a very modest speed-up. Enable only if you 595 * know what you're doing: tests and CPAN modules' tests are bound to fail. 596 */ 597 #ifdef NO_TAINT_SUPPORT 598 # define TAINT NOOP 599 # define TAINT_NOT NOOP 600 # define TAINT_IF(c) NOOP 601 # define TAINT_ENV() NOOP 602 # define TAINT_PROPER(s) NOOP 603 # define TAINT_set(s) NOOP 604 # define TAINT_get 0 605 # define TAINTING_get 0 606 # define TAINTING_set(s) NOOP 607 # define TAINT_WARN_get 0 608 # define TAINT_WARN_set(s) NOOP 609 #else 610 # define TAINT (PL_tainted = PL_tainting) 611 # define TAINT_NOT (PL_tainted = FALSE) 612 # define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = PL_tainting; } 613 # define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); } 614 # define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); } 615 # define TAINT_set(s) (PL_tainted = (s)) 616 # define TAINT_get (PL_tainted) 617 # define TAINTING_get (PL_tainting) 618 # define TAINTING_set(s) (PL_tainting = (s)) 619 # define TAINT_WARN_get (PL_taint_warn) 620 # define TAINT_WARN_set(s) (PL_taint_warn = (s)) 621 #endif 622 623 /* flags used internally only within pp_subst and pp_substcont */ 624 #ifdef PERL_CORE 625 # define SUBST_TAINT_STR 1 /* string tainted */ 626 # define SUBST_TAINT_PAT 2 /* pattern tainted */ 627 # define SUBST_TAINT_REPL 4 /* replacement tainted */ 628 # define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */ 629 # define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */ 630 #endif 631 632 /* XXX All process group stuff is handled in pp_sys.c. Should these 633 defines move there? If so, I could simplify this a lot. --AD 9/96. 634 */ 635 /* Process group stuff changed from traditional BSD to POSIX. 636 perlfunc.pod documents the traditional BSD-style syntax, so we'll 637 try to preserve that, if possible. 638 */ 639 #ifdef HAS_SETPGID 640 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp)) 641 #else 642 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP) 643 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp)) 644 # else 645 # ifdef HAS_SETPGRP2 /* DG/UX */ 646 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp)) 647 # endif 648 # endif 649 #endif 650 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP) 651 # define HAS_SETPGRP /* Well, effectively it does . . . */ 652 #endif 653 654 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes 655 our life easier :-) so we'll try it. 656 */ 657 #ifdef HAS_GETPGID 658 # define BSD_GETPGRP(pid) getpgid((pid)) 659 #else 660 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP) 661 # define BSD_GETPGRP(pid) getpgrp((pid)) 662 # else 663 # ifdef HAS_GETPGRP2 /* DG/UX */ 664 # define BSD_GETPGRP(pid) getpgrp2((pid)) 665 # endif 666 # endif 667 #endif 668 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP) 669 # define HAS_GETPGRP /* Well, effectively it does . . . */ 670 #endif 671 672 /* These are not exact synonyms, since setpgrp() and getpgrp() may 673 have different behaviors, but perl.h used to define USE_BSDPGRP 674 (prior to 5.003_05) so some extension might depend on it. 675 */ 676 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP) 677 # ifndef USE_BSDPGRP 678 # define USE_BSDPGRP 679 # endif 680 #endif 681 682 /* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that 683 pthread.h must be included before all other header files. 684 */ 685 #if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD) 686 # include <pthread.h> 687 #endif 688 689 #include <sys/types.h> 690 691 #ifdef __cplusplus 692 # ifndef I_STDARG 693 # define I_STDARG 1 694 # endif 695 #endif 696 697 /* EVC 4 SDK headers includes a bad definition of MB_CUR_MAX in stdlib.h 698 which is included from stdarg.h. Bad definition not present in SD 2008 699 SDK headers. wince.h is not yet included, so we cant fix this from there 700 since by then MB_CUR_MAX will be defined from stdlib.h. 701 cewchar.h includes a correct definition of MB_CUR_MAX and it is copied here 702 since cewchar.h can't be included this early */ 703 #if defined(UNDER_CE) && (_MSC_VER < 1300) 704 # define MB_CUR_MAX 1 705 #endif 706 #ifdef I_STDARG 707 # include <stdarg.h> 708 #else 709 # ifdef I_VARARGS 710 # include <varargs.h> 711 # endif 712 #endif 713 714 #ifdef I_STDINT 715 # include <stdint.h> 716 #endif 717 718 #include <ctype.h> 719 720 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */ 721 #undef METHOD 722 #endif 723 724 #ifdef PERL_MICRO 725 # define NO_LOCALE 726 #endif 727 728 #ifdef I_LOCALE 729 # include <locale.h> 730 #endif 731 732 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE) 733 # define USE_LOCALE 734 # define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this 735 capability */ 736 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \ 737 && defined(HAS_STRXFRM) 738 # define USE_LOCALE_COLLATE 739 # endif 740 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE) 741 # define USE_LOCALE_CTYPE 742 # endif 743 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC) 744 # define USE_LOCALE_NUMERIC 745 # endif 746 # if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES) 747 # define USE_LOCALE_MESSAGES 748 # endif 749 # if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY) 750 # define USE_LOCALE_MONETARY 751 # endif 752 # if !defined(NO_LOCALE_TIME) && defined(LC_TIME) 753 # define USE_LOCALE_TIME 754 # endif 755 # ifndef WIN32 /* No wrapper except on Windows */ 756 # define my_setlocale(a,b) setlocale(a,b) 757 # endif 758 #endif /* !NO_LOCALE && HAS_SETLOCALE */ 759 760 /* Is $^ENCODING set, or are we under the encoding pragma? */ 761 #define IN_ENCODING UNLIKELY(PL_encoding \ 762 || (PL_lex_encoding && _get_encoding() != NULL)) 763 764 #include <setjmp.h> 765 766 #ifdef I_SYS_PARAM 767 # ifdef PARAM_NEEDS_TYPES 768 # include <sys/types.h> 769 # endif 770 # include <sys/param.h> 771 #endif 772 773 /* On BSD-derived systems, <sys/param.h> defines BSD to a year-month 774 value something like 199306. This may be useful if no more-specific 775 feature test is available. 776 */ 777 #if defined(BSD) 778 # ifndef BSDish 779 # define BSDish 780 # endif 781 #endif 782 783 /* Use all the "standard" definitions? */ 784 #if defined(STANDARD_C) && defined(I_STDLIB) 785 # include <stdlib.h> 786 #endif 787 788 /* If this causes problems, set i_unistd=undef in the hint file. */ 789 #ifdef I_UNISTD 790 # if defined(__amigaos4__) 791 # ifdef I_NETINET_IN 792 # include <netinet/in.h> 793 # endif 794 # endif 795 # include <unistd.h> 796 # if defined(__amigaos4__) 797 /* Under AmigaOS 4 newlib.library provides an environ. However using 798 * it doesn't give us enough control over inheritance of variables by 799 * subshells etc. so replace with custom version based on abc-shell 800 * code. */ 801 extern char **myenviron; 802 # undef environ 803 # define environ myenviron 804 # endif 805 #endif 806 807 /* for WCOREDUMP */ 808 #ifdef I_SYS_WAIT 809 # include <sys/wait.h> 810 #endif 811 812 #ifdef __SYMBIAN32__ 813 # undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */ 814 #endif 815 816 #if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) 817 EXTERN_C int syscall(int, ...); 818 #endif 819 820 #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) 821 EXTERN_C int usleep(unsigned int); 822 #endif 823 824 #ifdef PERL_CORE 825 826 /* macros for correct constant construction */ 827 # if INTSIZE >= 2 828 # define U16_CONST(x) ((U16)x##U) 829 # else 830 # define U16_CONST(x) ((U16)x##UL) 831 # endif 832 833 # if INTSIZE >= 4 834 # define U32_CONST(x) ((U32)x##U) 835 # else 836 # define U32_CONST(x) ((U32)x##UL) 837 # endif 838 839 # ifdef HAS_QUAD 840 # if INTSIZE >= 8 841 # define U64_CONST(x) ((U64)x##U) 842 # elif LONGSIZE >= 8 843 # define U64_CONST(x) ((U64)x##UL) 844 # elif QUADKIND == QUAD_IS_LONG_LONG 845 # define U64_CONST(x) ((U64)x##ULL) 846 # elif QUADKIND == QUAD_IS___INT64 847 # define U64_CONST(x) ((U64)x##UI64) 848 # else /* best guess we can make */ 849 # define U64_CONST(x) ((U64)x##UL) 850 # endif 851 # endif 852 853 /* byte-swapping functions for big-/little-endian conversion */ 854 # define _swab_16_(x) ((U16)( \ 855 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \ 856 (((U16)(x) & U16_CONST(0xff00)) >> 8) )) 857 858 # define _swab_32_(x) ((U32)( \ 859 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \ 860 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \ 861 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \ 862 (((U32)(x) & U32_CONST(0xff000000)) >> 24) )) 863 864 # ifdef HAS_QUAD 865 # define _swab_64_(x) ((U64)( \ 866 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \ 867 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \ 868 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \ 869 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \ 870 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \ 871 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \ 872 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \ 873 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) )) 874 # endif 875 876 /* The old value was hard coded at 1008. (4096-16) seems to be a bit faster, 877 at least on FreeBSD. YMMV, so experiment. */ 878 #ifndef PERL_ARENA_SIZE 879 #define PERL_ARENA_SIZE 4080 880 #endif 881 882 /* Maximum level of recursion */ 883 #ifndef PERL_SUB_DEPTH_WARN 884 #define PERL_SUB_DEPTH_WARN 100 885 #endif 886 887 #endif /* PERL_CORE */ 888 889 /* We no longer default to creating a new SV for GvSV. 890 Do this before embed. */ 891 #ifndef PERL_CREATE_GVSV 892 # ifndef PERL_DONT_CREATE_GVSV 893 # define PERL_DONT_CREATE_GVSV 894 # endif 895 #endif 896 897 #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME) 898 #define PERL_USES_PL_PIDSTATUS 899 #endif 900 901 #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__) 902 #define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION 903 #endif 904 905 #define MEM_SIZE Size_t 906 907 /* Round all values passed to malloc up, by default to a multiple of 908 sizeof(size_t) 909 */ 910 #ifndef PERL_STRLEN_ROUNDUP_QUANTUM 911 #define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size 912 #endif 913 914 /* sv_grow() will expand strings by at least a certain percentage of 915 the previously *used* length to avoid excessive calls to realloc(). 916 The default is 25% of the current length. 917 */ 918 #ifndef PERL_STRLEN_EXPAND_SHIFT 919 # define PERL_STRLEN_EXPAND_SHIFT 2 920 #endif 921 922 #if defined(STANDARD_C) && defined(I_STDDEF) && !defined(PERL_GCC_PEDANTIC) 923 # include <stddef.h> 924 # define STRUCT_OFFSET(s,m) offsetof(s,m) 925 #else 926 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m)) 927 #endif 928 929 /* ptrdiff_t is C11, so undef it under pedantic builds */ 930 #ifdef PERL_GCC_PEDANTIC 931 # undef HAS_PTRDIFF_T 932 #endif 933 934 #ifndef __SYMBIAN32__ 935 # if defined(I_STRING) || defined(__cplusplus) 936 # include <string.h> 937 # else 938 # include <strings.h> 939 # endif 940 #endif 941 942 /* This comes after <stdlib.h> so we don't try to change the standard 943 * library prototypes; we'll use our own in proto.h instead. */ 944 945 #ifdef MYMALLOC 946 # ifdef PERL_POLLUTE_MALLOC 947 # ifndef PERL_EXTMALLOC_DEF 948 # define Perl_malloc malloc 949 # define Perl_calloc calloc 950 # define Perl_realloc realloc 951 # define Perl_mfree free 952 # endif 953 # else 954 # define EMBEDMYMALLOC /* for compatibility */ 955 # endif 956 957 # define safemalloc Perl_malloc 958 # define safecalloc Perl_calloc 959 # define saferealloc Perl_realloc 960 # define safefree Perl_mfree 961 # define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \ 962 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \ 963 code; \ 964 } STMT_END 965 # define CHECK_MALLOC_TOO_LATE_FOR(ch) \ 966 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch)) 967 # define panic_write2(s) write(2, s, strlen(s)) 968 # define CHECK_MALLOC_TAINT(newval) \ 969 CHECK_MALLOC_TOO_LATE_FOR_( \ 970 if (newval) { \ 971 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\ 972 exit(1); }) 973 # define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \ 974 if (doing_taint(argc,argv,env)) { \ 975 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \ 976 }} STMT_END; 977 #else /* MYMALLOC */ 978 # define safemalloc safesysmalloc 979 # define safecalloc safesyscalloc 980 # define saferealloc safesysrealloc 981 # define safefree safesysfree 982 # define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0) 983 # define CHECK_MALLOC_TAINT(newval) ((void)0) 984 # define MALLOC_CHECK_TAINT(argc,argv,env) 985 #endif /* MYMALLOC */ 986 987 /* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */ 988 #define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what) 989 #define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "") 990 #define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}") 991 #define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL) 992 993 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr) 994 #define strchr index 995 #define strrchr rindex 996 #endif 997 998 #ifdef I_MEMORY 999 # include <memory.h> 1000 #endif 1001 1002 #ifdef HAS_MEMCPY 1003 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) 1004 # ifndef memcpy 1005 extern char * memcpy (char*, char*, int); 1006 # endif 1007 # endif 1008 #else 1009 # ifndef memcpy 1010 # define memcpy(d,s,l) my_bcopy(s,d,l) 1011 # endif 1012 #endif /* HAS_MEMCPY */ 1013 1014 #ifdef HAS_MEMSET 1015 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) 1016 # ifndef memset 1017 extern char *memset (char*, int, int); 1018 # endif 1019 # endif 1020 #else 1021 # undef memset 1022 # define memset(d,c,l) my_memset(d,c,l) 1023 #endif /* HAS_MEMSET */ 1024 1025 #if !defined(HAS_MEMMOVE) && !defined(memmove) 1026 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY) 1027 # define memmove(d,s,l) memcpy(d,s,l) 1028 # else 1029 # define memmove(d,s,l) my_bcopy(s,d,l) 1030 # endif 1031 #endif 1032 1033 #if defined(mips) && defined(ultrix) && !defined(__STDC__) 1034 # undef HAS_MEMCMP 1035 #endif 1036 1037 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP) 1038 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) 1039 # ifndef memcmp 1040 extern int memcmp (char*, char*, int); 1041 # endif 1042 # endif 1043 #else 1044 # ifndef memcmp 1045 # define memcmp my_memcmp 1046 # endif 1047 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */ 1048 1049 #ifndef memzero 1050 # ifdef HAS_MEMSET 1051 # define memzero(d,l) memset(d,0,l) 1052 # else 1053 # ifdef HAS_BZERO 1054 # define memzero(d,l) bzero(d,l) 1055 # else 1056 # define memzero(d,l) my_bzero(d,l) 1057 # endif 1058 # endif 1059 #endif 1060 1061 #ifndef PERL_MICRO 1062 #ifndef memchr 1063 # ifndef HAS_MEMCHR 1064 # define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1) 1065 # endif 1066 #endif 1067 #endif 1068 1069 #ifndef HAS_BCMP 1070 # ifndef bcmp 1071 # define bcmp(s1,s2,l) memcmp(s1,s2,l) 1072 # endif 1073 #endif /* !HAS_BCMP */ 1074 1075 #ifdef I_NETINET_IN 1076 # include <netinet/in.h> 1077 #endif 1078 1079 #ifdef I_ARPA_INET 1080 # include <arpa/inet.h> 1081 #endif 1082 1083 #ifdef I_SYS_STAT 1084 # include <sys/stat.h> 1085 #endif 1086 1087 /* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO. 1088 This definition should ideally go into win32/win32.h, but S_IFIFO is 1089 used later here in perl.h before win32/win32.h is being included. */ 1090 #if !defined(S_IFIFO) && defined(_S_IFIFO) 1091 # define S_IFIFO _S_IFIFO 1092 #endif 1093 1094 /* The stat macros for Unisoft System V/88 (and derivatives 1095 like UTekV) are broken, sometimes giving false positives. Undefine 1096 them here and let the code below set them to proper values. 1097 1098 The ghs macro stands for GreenHills Software C-1.8.5 which 1099 is the C compiler for sysV88 and the various derivatives. 1100 This header file bug is corrected in gcc-2.5.8 and later versions. 1101 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */ 1102 1103 #if defined(m88k) && defined(ghs) 1104 # undef S_ISDIR 1105 # undef S_ISCHR 1106 # undef S_ISBLK 1107 # undef S_ISREG 1108 # undef S_ISFIFO 1109 # undef S_ISLNK 1110 #endif 1111 1112 #ifdef I_TIME 1113 # include <time.h> 1114 #endif 1115 1116 #ifdef I_SYS_TIME 1117 # ifdef I_SYS_TIME_KERNEL 1118 # define KERNEL 1119 # endif 1120 # include <sys/time.h> 1121 # ifdef I_SYS_TIME_KERNEL 1122 # undef KERNEL 1123 # endif 1124 #endif 1125 1126 #if defined(HAS_TIMES) && defined(I_SYS_TIMES) 1127 # include <sys/times.h> 1128 #endif 1129 1130 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR)) 1131 # undef HAS_STRERROR 1132 #endif 1133 1134 #include <errno.h> 1135 1136 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS) 1137 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */ 1138 #endif 1139 1140 #if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */ 1141 # include <sys/socket.h> 1142 # if defined(USE_SOCKS) && defined(I_SOCKS) 1143 # if !defined(INCLUDE_PROTOTYPES) 1144 # define INCLUDE_PROTOTYPES /* for <socks.h> */ 1145 # define PERL_SOCKS_NEED_PROTOTYPES 1146 # endif 1147 # include <socks.h> 1148 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */ 1149 # undef INCLUDE_PROTOTYPES 1150 # undef PERL_SOCKS_NEED_PROTOTYPES 1151 # endif 1152 # endif 1153 # ifdef I_NETDB 1154 # ifdef NETWARE 1155 # include<stdio.h> 1156 # endif 1157 # include <netdb.h> 1158 # endif 1159 # ifndef ENOTSOCK 1160 # ifdef I_NET_ERRNO 1161 # include <net/errno.h> 1162 # endif 1163 # endif 1164 #endif 1165 1166 /* sockatmark() is so new (2001) that many places might have it hidden 1167 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required 1168 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */ 1169 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO) 1170 # if defined(__THROW) && defined(__GLIBC__) 1171 int sockatmark(int) __THROW; 1172 # else 1173 int sockatmark(int); 1174 # endif 1175 #endif 1176 1177 #if defined(__osf__) && defined(__cplusplus) && !defined(_XOPEN_SOURCE_EXTENDED) /* Tru64 "cxx" (C++), see hints/dec_osf.sh for why the _XOPEN_SOURCE_EXTENDED cannot be defined. */ 1178 EXTERN_C int fchdir(int); 1179 EXTERN_C int flock(int, int); 1180 EXTERN_C int fseeko(FILE *, off_t, int); 1181 EXTERN_C off_t ftello(FILE *); 1182 #endif 1183 1184 #if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */ 1185 EXTERN_C char *crypt(const char *, const char *); 1186 EXTERN_C char **environ; 1187 #endif 1188 1189 #if defined(__cplusplus) 1190 # if defined(BSDish) 1191 EXTERN_C char **environ; 1192 # elif defined(__CYGWIN__) 1193 EXTERN_C char *crypt(const char *, const char *); 1194 #endif 1195 #endif 1196 1197 #ifdef SETERRNO 1198 # undef SETERRNO /* SOCKS might have defined this */ 1199 #endif 1200 1201 #ifdef VMS 1202 # define SETERRNO(errcode,vmserrcode) \ 1203 STMT_START { \ 1204 set_errno(errcode); \ 1205 set_vaxc_errno(vmserrcode); \ 1206 } STMT_END 1207 # define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno 1208 # define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno 1209 # define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno ) 1210 # define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno) 1211 1212 # define LIB_INVARG LIB$_INVARG 1213 # define RMS_DIR RMS$_DIR 1214 # define RMS_FAC RMS$_FAC 1215 # define RMS_FEX RMS$_FEX 1216 # define RMS_FNF RMS$_FNF 1217 # define RMS_IFI RMS$_IFI 1218 # define RMS_ISI RMS$_ISI 1219 # define RMS_PRV RMS$_PRV 1220 # define SS_ACCVIO SS$_ACCVIO 1221 # define SS_DEVOFFLINE SS$_DEVOFFLINE 1222 # define SS_IVCHAN SS$_IVCHAN 1223 # define SS_NORMAL SS$_NORMAL 1224 # define SS_NOPRIV SS$_NOPRIV 1225 # define SS_BUFFEROVF SS$_BUFFEROVF 1226 #else 1227 # define LIB_INVARG 0 1228 # define RMS_DIR 0 1229 # define RMS_FAC 0 1230 # define RMS_FEX 0 1231 # define RMS_FNF 0 1232 # define RMS_IFI 0 1233 # define RMS_ISI 0 1234 # define RMS_PRV 0 1235 # define SS_ACCVIO 0 1236 # define SS_DEVOFFLINE 0 1237 # define SS_IVCHAN 0 1238 # define SS_NORMAL 0 1239 # define SS_NOPRIV 0 1240 # define SS_BUFFEROVF 0 1241 #endif 1242 1243 #ifdef WIN32 1244 # define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno 1245 # define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError() 1246 # define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() ) 1247 # define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) ) 1248 #endif 1249 1250 #ifdef OS2 1251 # define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno 1252 # define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc 1253 # define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc ) 1254 # define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno ) 1255 #endif 1256 1257 #ifndef SETERRNO 1258 # define SETERRNO(errcode,vmserrcode) (errno = (errcode)) 1259 #endif 1260 1261 #ifndef dSAVEDERRNO 1262 # define dSAVEDERRNO int saved_errno 1263 # define dSAVE_ERRNO int saved_errno = errno 1264 # define SAVE_ERRNO (saved_errno = errno) 1265 # define RESTORE_ERRNO (errno = saved_errno) 1266 #endif 1267 1268 #define ERRSV GvSVn(PL_errgv) 1269 1270 /* contains inlined gv_add_by_type */ 1271 #define CLEAR_ERRSV() STMT_START { \ 1272 SV ** const svp = &GvSV(PL_errgv); \ 1273 if (!*svp) { \ 1274 goto clresv_newemptypv; \ 1275 } else if (SvREADONLY(*svp)) { \ 1276 SvREFCNT_dec_NN(*svp); \ 1277 clresv_newemptypv: \ 1278 *svp = newSVpvs(""); \ 1279 } else { \ 1280 SV *const errsv = *svp; \ 1281 sv_setpvs(errsv, ""); \ 1282 SvPOK_only(errsv); \ 1283 if (SvMAGICAL(errsv)) { \ 1284 mg_free(errsv); \ 1285 } \ 1286 } \ 1287 } STMT_END 1288 1289 1290 #ifdef PERL_CORE 1291 # define DEFSV (0 + GvSVn(PL_defgv)) 1292 # define DEFSV_set(sv) \ 1293 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv)) 1294 # define SAVE_DEFSV \ 1295 ( \ 1296 save_gp(PL_defgv, 0), \ 1297 GvINTRO_off(PL_defgv), \ 1298 SAVEGENERICSV(GvSV(PL_defgv)), \ 1299 GvSV(PL_defgv) = NULL \ 1300 ) 1301 #else 1302 # define DEFSV GvSVn(PL_defgv) 1303 # define DEFSV_set(sv) (GvSV(PL_defgv) = (sv)) 1304 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv)) 1305 #endif 1306 1307 #ifndef errno 1308 extern int errno; /* ANSI allows errno to be an lvalue expr. 1309 * For example in multithreaded environments 1310 * something like this might happen: 1311 * extern int *_errno(void); 1312 * #define errno (*_errno()) */ 1313 #endif 1314 1315 #define UNKNOWN_ERRNO_MSG "(unknown)" 1316 1317 #ifdef HAS_STRERROR 1318 # ifndef DONT_DECLARE_STD 1319 # ifdef VMS 1320 char *strerror (int,...); 1321 # else 1322 char *strerror (int); 1323 # endif 1324 # endif 1325 # ifndef Strerror 1326 # define Strerror strerror 1327 # endif 1328 #else 1329 # ifdef HAS_SYS_ERRLIST 1330 extern int sys_nerr; 1331 extern char *sys_errlist[]; 1332 # ifndef Strerror 1333 # define Strerror(e) \ 1334 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e]) 1335 # endif 1336 # endif 1337 #endif 1338 1339 #ifdef I_SYS_IOCTL 1340 # ifndef _IOCTL_ 1341 # include <sys/ioctl.h> 1342 # endif 1343 #endif 1344 1345 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000) 1346 # ifdef HAS_SOCKETPAIR 1347 # undef HAS_SOCKETPAIR 1348 # endif 1349 # ifdef I_NDBM 1350 # undef I_NDBM 1351 # endif 1352 #endif 1353 1354 #ifndef HAS_SOCKETPAIR 1355 # ifdef HAS_SOCKET 1356 # define socketpair Perl_my_socketpair 1357 # endif 1358 #endif 1359 1360 #if INTSIZE == 2 1361 # define htoni htons 1362 # define ntohi ntohs 1363 #else 1364 # define htoni htonl 1365 # define ntohi ntohl 1366 #endif 1367 1368 /* Configure already sets Direntry_t */ 1369 #if defined(I_DIRENT) 1370 # include <dirent.h> 1371 #else 1372 # ifdef I_SYS_NDIR 1373 # include <sys/ndir.h> 1374 # else 1375 # ifdef I_SYS_DIR 1376 # ifdef hp9000s500 1377 # include <ndir.h> /* may be wrong in the future */ 1378 # else 1379 # include <sys/dir.h> 1380 # endif 1381 # endif 1382 # endif 1383 #endif 1384 1385 /* 1386 * The following gobbledygook brought to you on behalf of __STDC__. 1387 * (I could just use #ifndef __STDC__, but this is more bulletproof 1388 * in the face of half-implementations.) 1389 */ 1390 1391 #if defined(I_SYSMODE) 1392 #include <sys/mode.h> 1393 #endif 1394 1395 #ifndef S_IFMT 1396 # ifdef _S_IFMT 1397 # define S_IFMT _S_IFMT 1398 # else 1399 # define S_IFMT 0170000 1400 # endif 1401 #endif 1402 1403 #ifndef S_ISDIR 1404 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR) 1405 #endif 1406 1407 #ifndef S_ISCHR 1408 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR) 1409 #endif 1410 1411 #ifndef S_ISBLK 1412 # ifdef S_IFBLK 1413 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK) 1414 # else 1415 # define S_ISBLK(m) (0) 1416 # endif 1417 #endif 1418 1419 #ifndef S_ISREG 1420 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG) 1421 #endif 1422 1423 #ifndef S_ISFIFO 1424 # ifdef S_IFIFO 1425 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO) 1426 # else 1427 # define S_ISFIFO(m) (0) 1428 # endif 1429 #endif 1430 1431 #ifndef S_ISLNK 1432 # ifdef _S_ISLNK 1433 # define S_ISLNK(m) _S_ISLNK(m) 1434 # else 1435 # ifdef _S_IFLNK 1436 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK) 1437 # else 1438 # ifdef S_IFLNK 1439 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK) 1440 # else 1441 # define S_ISLNK(m) (0) 1442 # endif 1443 # endif 1444 # endif 1445 #endif 1446 1447 #ifndef S_ISSOCK 1448 # ifdef _S_ISSOCK 1449 # define S_ISSOCK(m) _S_ISSOCK(m) 1450 # else 1451 # ifdef _S_IFSOCK 1452 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK) 1453 # else 1454 # ifdef S_IFSOCK 1455 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK) 1456 # else 1457 # define S_ISSOCK(m) (0) 1458 # endif 1459 # endif 1460 # endif 1461 #endif 1462 1463 #ifndef S_IRUSR 1464 # ifdef S_IREAD 1465 # define S_IRUSR S_IREAD 1466 # define S_IWUSR S_IWRITE 1467 # define S_IXUSR S_IEXEC 1468 # else 1469 # define S_IRUSR 0400 1470 # define S_IWUSR 0200 1471 # define S_IXUSR 0100 1472 # endif 1473 #endif 1474 1475 #ifndef S_IRGRP 1476 # ifdef S_IRUSR 1477 # define S_IRGRP (S_IRUSR>>3) 1478 # define S_IWGRP (S_IWUSR>>3) 1479 # define S_IXGRP (S_IXUSR>>3) 1480 # else 1481 # define S_IRGRP 0040 1482 # define S_IWGRP 0020 1483 # define S_IXGRP 0010 1484 # endif 1485 #endif 1486 1487 #ifndef S_IROTH 1488 # ifdef S_IRUSR 1489 # define S_IROTH (S_IRUSR>>6) 1490 # define S_IWOTH (S_IWUSR>>6) 1491 # define S_IXOTH (S_IXUSR>>6) 1492 # else 1493 # define S_IROTH 0040 1494 # define S_IWOTH 0020 1495 # define S_IXOTH 0010 1496 # endif 1497 #endif 1498 1499 #ifndef S_ISUID 1500 # define S_ISUID 04000 1501 #endif 1502 1503 #ifndef S_ISGID 1504 # define S_ISGID 02000 1505 #endif 1506 1507 #ifndef S_IRWXU 1508 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR) 1509 #endif 1510 1511 #ifndef S_IRWXG 1512 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP) 1513 #endif 1514 1515 #ifndef S_IRWXO 1516 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH) 1517 #endif 1518 1519 /* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h> 1520 * which would get included through <sys/file.h >, but that is 3000 1521 * lines in the future. --jhi */ 1522 1523 #if !defined(S_IREAD) && !defined(__HAIKU__) 1524 # define S_IREAD S_IRUSR 1525 #endif 1526 1527 #if !defined(S_IWRITE) && !defined(__HAIKU__) 1528 # define S_IWRITE S_IWUSR 1529 #endif 1530 1531 #ifndef S_IEXEC 1532 # define S_IEXEC S_IXUSR 1533 #endif 1534 1535 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr) 1536 # define SLOPPYDIVIDE 1537 #endif 1538 1539 #ifdef UV 1540 #undef UV 1541 #endif 1542 1543 /* For the times when you want the return value of sprintf, and you want it 1544 to be the length. Can't have a thread variable passed in, because C89 has 1545 no varargs macros. 1546 */ 1547 #ifdef SPRINTF_RETURNS_STRLEN 1548 # define my_sprintf sprintf 1549 #else 1550 # define my_sprintf Perl_my_sprintf 1551 #endif 1552 1553 /* 1554 * If we have v?snprintf() and the C99 variadic macros, we can just 1555 * use just the v?snprintf(). It is nice to try to trap the buffer 1556 * overflow, however, so if we are DEBUGGING, and we cannot use the 1557 * gcc statement expressions, then use the function wrappers which try 1558 * to trap the overflow. If we can use the gcc statement expressions, 1559 * we can try that even with the version that uses the C99 variadic 1560 * macros. 1561 */ 1562 1563 /* Note that we do not check against snprintf()/vsnprintf() returning 1564 * negative values because that is non-standard behaviour and we use 1565 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and 1566 * that should be true only if the snprintf()/vsnprintf() are true 1567 * to the standard. */ 1568 1569 #define PERL_SNPRINTF_CHECK(len, max, api) STMT_START { if ((max) > 0 && (Size_t)len >= (max)) Perl_croak_nocontext("panic: %s buffer overflow", STRINGIFY(api)); } STMT_END 1570 1571 #ifdef USE_QUADMATH 1572 # define my_snprintf Perl_my_snprintf 1573 # define PERL_MY_SNPRINTF_GUARDED 1574 #else 1575 #if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC) 1576 # ifdef PERL_USE_GCC_BRACE_GROUPS 1577 # define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; }) 1578 # define PERL_MY_SNPRINTF_GUARDED 1579 # else 1580 # define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__) 1581 # endif 1582 #else 1583 # define my_snprintf Perl_my_snprintf 1584 # define PERL_MY_SNPRINTF_GUARDED 1585 #endif 1586 #endif 1587 1588 /* There is no quadmath_vsnprintf, and therefore my_vsnprintf() 1589 * dies if called under USE_QUADMATH. */ 1590 #if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC) 1591 # ifdef PERL_USE_GCC_BRACE_GROUPS 1592 # define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; }) 1593 # define PERL_MY_VSNPRINTF_GUARDED 1594 # else 1595 # define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__) 1596 # endif 1597 #else 1598 # define my_vsnprintf Perl_my_vsnprintf 1599 # define PERL_MY_VSNPRINTF_GUARDED 1600 #endif 1601 1602 /* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD() 1603 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore 1604 * the result of my_snprintf() or my_vsnprintf(). (No, you should not 1605 * completely ignore it: otherwise you cannot know whether your output 1606 * was too long.) 1607 * 1608 * int len = my_sprintf(buf, max, ...); 1609 * PERL_MY_SNPRINTF_POST_GUARD(len, max); 1610 * 1611 * The trick is that in certain platforms [a] the my_sprintf() already 1612 * contains the sanity check, while in certain platforms [b] it needs 1613 * to be done as a separate step. The POST_GUARD is that step-- in [a] 1614 * platforms the POST_GUARD actually does nothing since the check has 1615 * already been done. Watch out for the max being the same in both calls. 1616 * 1617 * If you actually use the snprintf/vsnprintf return value already, 1618 * you assumedly are checking its validity somehow. But you can 1619 * insert the POST_GUARD() also in that case. */ 1620 1621 #ifndef PERL_MY_SNPRINTF_GUARDED 1622 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf) 1623 #else 1624 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len) 1625 #endif 1626 1627 #ifndef PERL_MY_VSNPRINTF_GUARDED 1628 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf) 1629 #else 1630 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len) 1631 #endif 1632 1633 #ifdef HAS_STRLCAT 1634 # define my_strlcat strlcat 1635 #else 1636 # define my_strlcat Perl_my_strlcat 1637 #endif 1638 1639 #ifdef HAS_STRLCPY 1640 # define my_strlcpy strlcpy 1641 #else 1642 # define my_strlcpy Perl_my_strlcpy 1643 #endif 1644 1645 /* 1646 The IV type is supposed to be long enough to hold any integral 1647 value or a pointer. 1648 --Andy Dougherty August 1996 1649 */ 1650 1651 typedef IVTYPE IV; 1652 typedef UVTYPE UV; 1653 1654 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD) 1655 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX) 1656 # define IV_MAX INT64_MAX 1657 # define IV_MIN INT64_MIN 1658 # define UV_MAX UINT64_MAX 1659 # ifndef UINT64_MIN 1660 # define UINT64_MIN 0 1661 # endif 1662 # define UV_MIN UINT64_MIN 1663 # else 1664 # define IV_MAX PERL_QUAD_MAX 1665 # define IV_MIN PERL_QUAD_MIN 1666 # define UV_MAX PERL_UQUAD_MAX 1667 # define UV_MIN PERL_UQUAD_MIN 1668 # endif 1669 # define IV_IS_QUAD 1670 # define UV_IS_QUAD 1671 #else 1672 # if defined(INT32_MAX) && IVSIZE == 4 1673 # define IV_MAX INT32_MAX 1674 # define IV_MIN INT32_MIN 1675 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */ 1676 # define UV_MAX UINT32_MAX 1677 # else 1678 # define UV_MAX 4294967295U 1679 # endif 1680 # ifndef UINT32_MIN 1681 # define UINT32_MIN 0 1682 # endif 1683 # define UV_MIN UINT32_MIN 1684 # else 1685 # define IV_MAX PERL_LONG_MAX 1686 # define IV_MIN PERL_LONG_MIN 1687 # define UV_MAX PERL_ULONG_MAX 1688 # define UV_MIN PERL_ULONG_MIN 1689 # endif 1690 # if IVSIZE == 8 1691 # define IV_IS_QUAD 1692 # define UV_IS_QUAD 1693 # ifndef HAS_QUAD 1694 # define HAS_QUAD 1695 # endif 1696 # else 1697 # undef IV_IS_QUAD 1698 # undef UV_IS_QUAD 1699 #if !defined(PERL_CORE) || defined(USING_MSVC6) 1700 /* We think that removing this decade-old undef this will cause too much 1701 breakage on CPAN for too little gain. (See RT #119753) 1702 However, we do need HAS_QUAD in the core for use by the drand48 code, 1703 but not for Win32 VC6 because it has poor __int64 support. */ 1704 # undef HAS_QUAD 1705 #endif 1706 # endif 1707 #endif 1708 1709 #define Size_t_MAX (~(Size_t)0) 1710 #define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1) 1711 1712 #define IV_DIG (BIT_DIGITS(IVSIZE * 8)) 1713 #define UV_DIG (BIT_DIGITS(UVSIZE * 8)) 1714 1715 #ifndef NO_PERL_PRESERVE_IVUV 1716 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */ 1717 #endif 1718 1719 /* 1720 * The macros INT2PTR and NUM2PTR are (despite their names) 1721 * bi-directional: they will convert int/float to or from pointers. 1722 * However the conversion to int/float are named explicitly: 1723 * PTR2IV, PTR2UV, PTR2NV. 1724 * 1725 * For int conversions we do not need two casts if pointers are 1726 * the same size as IV and UV. Otherwise we need an explicit 1727 * cast (PTRV) to avoid compiler warnings. 1728 */ 1729 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE) 1730 # define PTRV UV 1731 # define INT2PTR(any,d) (any)(d) 1732 #else 1733 # if PTRSIZE == LONGSIZE 1734 # define PTRV unsigned long 1735 # define PTR2ul(p) (unsigned long)(p) 1736 # else 1737 # define PTRV unsigned 1738 # endif 1739 #endif 1740 1741 #ifndef INT2PTR 1742 # define INT2PTR(any,d) (any)(PTRV)(d) 1743 #endif 1744 1745 #ifndef PTR2ul 1746 # define PTR2ul(p) INT2PTR(unsigned long,p) 1747 #endif 1748 1749 #define NUM2PTR(any,d) (any)(PTRV)(d) 1750 #define PTR2IV(p) INT2PTR(IV,p) 1751 #define PTR2UV(p) INT2PTR(UV,p) 1752 #define PTR2NV(p) NUM2PTR(NV,p) 1753 #define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */ 1754 1755 /* According to strict ANSI C89 one cannot freely cast between 1756 * data pointers and function (code) pointers. There are at least 1757 * two ways around this. One (used below) is to do two casts, 1758 * first the other pointer to an (unsigned) integer, and then 1759 * the integer to the other pointer. The other way would be 1760 * to use unions to "overlay" the pointers. For an example of 1761 * the latter technique, see union dirpu in struct xpvio in sv.h. 1762 * The only feasible use is probably temporarily storing 1763 * function pointers in a data pointer (such as a void pointer). */ 1764 1765 #define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */ 1766 #define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */ 1767 1768 #ifdef USE_LONG_DOUBLE 1769 # if LONG_DOUBLESIZE == DOUBLESIZE 1770 # define LONG_DOUBLE_EQUALS_DOUBLE 1771 # undef USE_LONG_DOUBLE /* Ouch! */ 1772 # endif 1773 #endif 1774 1775 #ifdef OVR_DBL_DIG 1776 /* Use an overridden DBL_DIG */ 1777 # ifdef DBL_DIG 1778 # undef DBL_DIG 1779 # endif 1780 # define DBL_DIG OVR_DBL_DIG 1781 #else 1782 /* The following is all to get DBL_DIG, in order to pick a nice 1783 default value for printing floating point numbers in Gconvert 1784 (see config.h). (It also has other uses, such as figuring out if 1785 a given precision of printing can be done with a double instead of 1786 a long double - Allen). 1787 */ 1788 #ifdef I_LIMITS 1789 #include <limits.h> 1790 #endif 1791 #ifdef I_FLOAT 1792 #include <float.h> 1793 #endif 1794 #ifndef HAS_DBL_DIG 1795 #define DBL_DIG 15 /* A guess that works lots of places */ 1796 #endif 1797 #endif 1798 1799 #ifdef OVR_LDBL_DIG 1800 /* Use an overridden LDBL_DIG */ 1801 # ifdef LDBL_DIG 1802 # undef LDBL_DIG 1803 # endif 1804 # define LDBL_DIG OVR_LDBL_DIG 1805 #else 1806 /* The following is all to get LDBL_DIG, in order to pick a nice 1807 default value for printing floating point numbers in Gconvert. 1808 (see config.h) 1809 */ 1810 # ifdef I_LIMITS 1811 # include <limits.h> 1812 # endif 1813 # ifdef I_FLOAT 1814 # include <float.h> 1815 # endif 1816 # ifndef HAS_LDBL_DIG 1817 # if LONG_DOUBLESIZE == 10 1818 # define LDBL_DIG 18 /* assume IEEE */ 1819 # else 1820 # if LONG_DOUBLESIZE == 12 1821 # define LDBL_DIG 18 /* gcc? */ 1822 # else 1823 # if LONG_DOUBLESIZE == 16 1824 # define LDBL_DIG 33 /* assume IEEE */ 1825 # else 1826 # if LONG_DOUBLESIZE == DOUBLESIZE 1827 # define LDBL_DIG DBL_DIG /* bummer */ 1828 # endif 1829 # endif 1830 # endif 1831 # endif 1832 # endif 1833 #endif 1834 1835 /* 1836 * This is for making sure we have a good DBL_MAX value, if possible, 1837 * either for usage as NV_MAX or for usage in figuring out if we can 1838 * fit a given long double into a double, if bug-fixing makes it 1839 * necessary to do so. - Allen <allens@cpan.org> 1840 */ 1841 1842 #ifdef I_LIMITS 1843 # include <limits.h> 1844 #endif 1845 1846 #ifdef I_VALUES 1847 # if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS)) 1848 # include <values.h> 1849 # if defined(MAXDOUBLE) && !defined(DBL_MAX) 1850 # define DBL_MAX MAXDOUBLE 1851 # endif 1852 # if defined(MINDOUBLE) && !defined(DBL_MIN) 1853 # define DBL_MIN MINDOUBLE 1854 # endif 1855 # endif 1856 #endif /* defined(I_VALUES) */ 1857 1858 typedef NVTYPE NV; 1859 1860 #ifdef I_IEEEFP 1861 # include <ieeefp.h> 1862 #endif 1863 1864 #ifdef USING_MSVC6 1865 /* VC6 has broken NaN semantics: NaN == NaN returns true instead of false, 1866 * and for example NaN < IV_MIN. */ 1867 # define NAN_COMPARE_BROKEN 1868 #endif 1869 #if defined(__DECC) && defined(__osf__) 1870 /* Also Tru64 cc has broken NaN comparisons. */ 1871 # define NAN_COMPARE_BROKEN 1872 #endif 1873 #if defined(__sgi) 1874 # define NAN_COMPARE_BROKEN 1875 #endif 1876 1877 #ifdef USE_LONG_DOUBLE 1878 # ifdef I_SUNMATH 1879 # include <sunmath.h> 1880 # endif 1881 # if defined(LDBL_DIG) 1882 # define NV_DIG LDBL_DIG 1883 # ifdef LDBL_MANT_DIG 1884 # define NV_MANT_DIG LDBL_MANT_DIG 1885 # endif 1886 # ifdef LDBL_MIN 1887 # define NV_MIN LDBL_MIN 1888 # endif 1889 # ifdef LDBL_MAX 1890 # define NV_MAX LDBL_MAX 1891 # endif 1892 # ifdef LDBL_MIN_EXP 1893 # define NV_MIN_EXP LDBL_MIN_EXP 1894 # endif 1895 # ifdef LDBL_MAX_EXP 1896 # define NV_MAX_EXP LDBL_MAX_EXP 1897 # endif 1898 # ifdef LDBL_MIN_10_EXP 1899 # define NV_MIN_10_EXP LDBL_MIN_10_EXP 1900 # endif 1901 # ifdef LDBL_MAX_10_EXP 1902 # define NV_MAX_10_EXP LDBL_MAX_10_EXP 1903 # endif 1904 # ifdef LDBL_EPSILON 1905 # define NV_EPSILON LDBL_EPSILON 1906 # endif 1907 # ifdef LDBL_MAX 1908 # define NV_MAX LDBL_MAX 1909 /* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */ 1910 # else 1911 # ifdef HUGE_VALL 1912 # define NV_MAX HUGE_VALL 1913 # endif 1914 # endif 1915 # endif 1916 # if defined(HAS_SQRTL) 1917 # define Perl_acos acosl 1918 # define Perl_asin asinl 1919 # define Perl_atan atanl 1920 # define Perl_atan2 atan2l 1921 # define Perl_ceil ceill 1922 # define Perl_cos cosl 1923 # define Perl_cosh coshl 1924 # define Perl_exp expl 1925 /* no Perl_fabs, but there's PERL_ABS */ 1926 # define Perl_floor floorl 1927 # define Perl_fmod fmodl 1928 # define Perl_log logl 1929 # define Perl_log10 log10l 1930 # define Perl_pow powl 1931 # define Perl_sin sinl 1932 # define Perl_sinh sinhl 1933 # define Perl_sqrt sqrtl 1934 # define Perl_tan tanl 1935 # define Perl_tanh tanhl 1936 # endif 1937 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */ 1938 # ifndef Perl_modf 1939 # ifdef HAS_MODFL 1940 # define Perl_modf(x,y) modfl(x,y) 1941 /* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no 1942 prototype in <math.h> */ 1943 # ifndef HAS_MODFL_PROTO 1944 EXTERN_C long double modfl(long double, long double *); 1945 # endif 1946 # elif (defined(HAS_TRUNCL) || defined(HAS_AINTL)) && defined(HAS_COPYSIGNL) 1947 extern long double Perl_my_modfl(long double x, long double *ip); 1948 # define Perl_modf(x,y) Perl_my_modfl(x,y) 1949 # endif 1950 # endif 1951 # ifndef Perl_frexp 1952 # ifdef HAS_FREXPL 1953 # define Perl_frexp(x,y) frexpl(x,y) 1954 # else 1955 # if defined(HAS_ILOGBL) && defined(HAS_SCALBNL) 1956 extern long double Perl_my_frexpl(long double x, int *e); 1957 # define Perl_frexp(x,y) Perl_my_frexpl(x,y) 1958 # endif 1959 # endif 1960 # endif 1961 # ifndef Perl_ldexp 1962 # ifdef HAS_LDEXPL 1963 # define Perl_ldexp(x, y) ldexpl(x,y) 1964 # else 1965 # if defined(HAS_SCALBNL) && FLT_RADIX == 2 1966 # define Perl_ldexp(x,y) scalbnl(x,y) 1967 # endif 1968 # endif 1969 # endif 1970 # ifndef Perl_isnan 1971 # if defined(HAS_ISNANL) && !(defined(isnan) && defined(HAS_C99)) 1972 # define Perl_isnan(x) isnanl(x) 1973 # elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */ 1974 # define Perl_isnan(x) isnan(x) 1975 # endif 1976 # endif 1977 # ifndef Perl_isinf 1978 # if defined(HAS_ISINFL) && !(defined(isinf) && defined(HAS_C99)) 1979 # define Perl_isinf(x) isinfl(x) 1980 # elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */ 1981 # define Perl_isinf(x) isinf(x) 1982 # elif defined(LDBL_MAX) && !defined(NAN_COMPARE_BROKEN) 1983 # define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX) 1984 # endif 1985 # endif 1986 # ifndef Perl_isfinite 1987 # define Perl_isfinite(x) Perl_isfinitel(x) 1988 # endif 1989 #elif defined(USE_QUADMATH) && defined(I_QUADMATH) 1990 # include <quadmath.h> 1991 # define NV_DIG FLT128_DIG 1992 # define NV_MANT_DIG FLT128_MANT_DIG 1993 # define NV_MIN FLT128_MIN 1994 # define NV_MAX FLT128_MAX 1995 # define NV_MIN_EXP FLT128_MIN_EXP 1996 # define NV_MAX_EXP FLT128_MAX_EXP 1997 # define NV_EPSILON FLT128_EPSILON 1998 # define NV_MIN_10_EXP FLT128_MIN_10_EXP 1999 # define NV_MAX_10_EXP FLT128_MAX_10_EXP 2000 # define Perl_acos acosq 2001 # define Perl_asin asinq 2002 # define Perl_atan atanq 2003 # define Perl_atan2 atan2q 2004 # define Perl_ceil ceilq 2005 # define Perl_cos cosq 2006 # define Perl_cosh coshq 2007 # define Perl_exp expq 2008 /* no Perl_fabs, but there's PERL_ABS */ 2009 # define Perl_floor floorq 2010 # define Perl_fmod fmodq 2011 # define Perl_log logq 2012 # define Perl_log10 log10q 2013 # define Perl_pow powq 2014 # define Perl_sin sinq 2015 # define Perl_sinh sinhq 2016 # define Perl_sqrt sqrtq 2017 # define Perl_tan tanq 2018 # define Perl_tanh tanhq 2019 # define Perl_modf(x,y) modfq(x,y) 2020 # define Perl_frexp(x,y) frexpq(x,y) 2021 # define Perl_ldexp(x, y) ldexpq(x,y) 2022 # define Perl_isinf(x) isinfq(x) 2023 # define Perl_isnan(x) isnanq(x) 2024 # define Perl_isfinite(x) !(isnanq(x) || isinfq(x)) 2025 # define Perl_fp_class(x) ((x) == 0.0Q ? 0 : isinfq(x) ? 3 : isnanq(x) ? 4 : PERL_ABS(x) < FLT128_MIN ? 2 : 1) 2026 # define Perl_fp_class_inf(x) (Perl_fp_class(x) == 3) 2027 # define Perl_fp_class_nan(x) (Perl_fp_class(x) == 4) 2028 # define Perl_fp_class_norm(x) (Perl_fp_class(x) == 1) 2029 # define Perl_fp_class_denorm(x) (Perl_fp_class(x) == 2) 2030 # define Perl_fp_class_zero(x) (Perl_fp_class(x) == 0) 2031 #else 2032 # define NV_DIG DBL_DIG 2033 # ifdef DBL_MANT_DIG 2034 # define NV_MANT_DIG DBL_MANT_DIG 2035 # endif 2036 # ifdef DBL_MIN 2037 # define NV_MIN DBL_MIN 2038 # endif 2039 # ifdef DBL_MAX 2040 # define NV_MAX DBL_MAX 2041 # endif 2042 # ifdef DBL_MIN_EXP 2043 # define NV_MIN_EXP DBL_MIN_EXP 2044 # endif 2045 # ifdef DBL_MAX_EXP 2046 # define NV_MAX_EXP DBL_MAX_EXP 2047 # endif 2048 # ifdef DBL_MIN_10_EXP 2049 # define NV_MIN_10_EXP DBL_MIN_10_EXP 2050 # endif 2051 # ifdef DBL_MAX_10_EXP 2052 # define NV_MAX_10_EXP DBL_MAX_10_EXP 2053 # endif 2054 # ifdef DBL_EPSILON 2055 # define NV_EPSILON DBL_EPSILON 2056 # endif 2057 # ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */ 2058 # define NV_MAX DBL_MAX 2059 # define NV_MIN DBL_MIN 2060 # else 2061 # ifdef HUGE_VAL 2062 # define NV_MAX HUGE_VAL 2063 # endif 2064 # endif 2065 2066 /* These math interfaces are C89. */ 2067 # define Perl_acos acos 2068 # define Perl_asin asin 2069 # define Perl_atan atan 2070 # define Perl_atan2 atan2 2071 # define Perl_ceil ceil 2072 # define Perl_cos cos 2073 # define Perl_cosh cosh 2074 # define Perl_exp exp 2075 /* no Perl_fabs, but there's PERL_ABS */ 2076 # define Perl_floor floor 2077 # define Perl_fmod fmod 2078 # define Perl_log log 2079 # define Perl_log10 log10 2080 # define Perl_pow pow 2081 # define Perl_sin sin 2082 # define Perl_sinh sinh 2083 # define Perl_sqrt sqrt 2084 # define Perl_tan tan 2085 # define Perl_tanh tanh 2086 2087 # define Perl_modf(x,y) modf(x,y) 2088 # define Perl_frexp(x,y) frexp(x,y) 2089 # define Perl_ldexp(x,y) ldexp(x,y) 2090 2091 # ifndef Perl_isnan 2092 # ifdef HAS_ISNAN 2093 # define Perl_isnan(x) isnan(x) 2094 # endif 2095 # endif 2096 # ifndef Perl_isinf 2097 # if defined(HAS_ISINF) 2098 # define Perl_isinf(x) isinf(x) 2099 # elif defined(DBL_MAX) && !defined(NAN_COMPARE_BROKEN) 2100 # define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX) 2101 # endif 2102 # endif 2103 # ifndef Perl_isfinite 2104 # ifdef HAS_ISFINITE 2105 # define Perl_isfinite(x) isfinite(x) 2106 # elif defined(HAS_FINITE) 2107 # define Perl_isfinite(x) finite(x) 2108 # endif 2109 # endif 2110 #endif 2111 2112 /* fpclassify(): C99. It is supposed to be a macro that switches on 2113 * the sizeof() of its argument, so there's no need for e.g. fpclassifyl().*/ 2114 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY) 2115 # include <math.h> 2116 # if defined(FP_INFINITE) && defined(FP_NAN) 2117 # define Perl_fp_class(x) fpclassify(x) 2118 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE) 2119 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN) 2120 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL) 2121 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL) 2122 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO) 2123 # elif defined(FP_PLUS_INF) && defined(FP_QNAN) 2124 /* Some versions of HP-UX (10.20) have (only) fpclassify() but which is 2125 * actually not the C99 fpclassify, with its own set of return defines. */ 2126 # define Perl_fp_class(x) fpclassify(x) 2127 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF) 2128 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF) 2129 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN) 2130 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN) 2131 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM) 2132 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM) 2133 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM) 2134 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM) 2135 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO) 2136 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO) 2137 # else 2138 # undef Perl_fp_class /* Unknown set of defines */ 2139 # endif 2140 #endif 2141 2142 /* fp_classify(): Legacy: VMS, maybe Unicos? The values, however, 2143 * are identical to the C99 fpclassify(). */ 2144 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASSIFY) 2145 # include <math.h> 2146 # ifdef __VMS 2147 /* FP_INFINITE and others are here rather than in math.h as C99 stipulates */ 2148 # include <fp.h> 2149 /* oh, and the isnormal macro has a typo in it! */ 2150 # undef isnormal 2151 # define isnormal(x) Perl_fp_class_norm(x) 2152 # endif 2153 # if defined(FP_INFINITE) && defined(FP_NAN) 2154 # define Perl_fp_class(x) fp_classify(x) 2155 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE) 2156 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN) 2157 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL) 2158 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL) 2159 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO) 2160 # else 2161 # undef Perl_fp_class /* Unknown set of defines */ 2162 # endif 2163 #endif 2164 2165 /* Feel free to check with me for the SGI manpages, SGI testing, 2166 * etcetera, if you want to try getting this to work with IRIX. 2167 * 2168 * - Allen <allens@cpan.org> */ 2169 2170 /* fpclass(): SysV, at least Solaris and some versions of IRIX. */ 2171 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL)) 2172 /* Solaris and IRIX have fpclass/fpclassl, but they are using 2173 * an enum typedef, not cpp symbols, and Configure doesn't detect that. 2174 * Define some symbols also as cpp symbols so we can detect them. */ 2175 # if defined(__sun) || defined(__sgi) /* XXX Configure test instead */ 2176 # define FP_PINF FP_PINF 2177 # define FP_QNAN FP_QNAN 2178 # endif 2179 # include <math.h> 2180 # ifdef I_IEEFP 2181 # include <ieeefp.h> 2182 # endif 2183 # ifdef I_FP 2184 # include <fp.h> 2185 # endif 2186 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL) 2187 # define Perl_fp_class(x) fpclassl(x) 2188 # else 2189 # define Perl_fp_class(x) fpclass(x) 2190 # endif 2191 # if defined(FP_CLASS_PINF) && defined(FP_CLASS_SNAN) 2192 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN) 2193 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN) 2194 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF) 2195 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF) 2196 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM) 2197 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM) 2198 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM) 2199 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM) 2200 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO) 2201 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO) 2202 # elif defined(FP_PINF) && defined(FP_QNAN) 2203 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN) 2204 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN) 2205 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NINF) 2206 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PINF) 2207 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NNORM) 2208 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PNORM) 2209 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NDENORM) 2210 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PDENORM) 2211 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NZERO) 2212 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PZERO) 2213 # else 2214 # undef Perl_fp_class /* Unknown set of defines */ 2215 # endif 2216 #endif 2217 2218 /* fp_class(): Legacy: at least Tru64, some versions of IRIX. */ 2219 #if !defined(Perl_fp_class) && (defined(HAS_FP_CLASS)||defined(HAS_FP_CLASSL)) 2220 # include <math.h> 2221 # if !defined(FP_SNAN) && defined(I_FP_CLASS) 2222 # include <fp_class.h> 2223 # endif 2224 # if defined(FP_POS_INF) && defined(FP_QNAN) 2225 # ifdef __sgi /* XXX Configure test instead */ 2226 # ifdef USE_LONG_DOUBLE 2227 # define Perl_fp_class(x) fp_class_l(x) 2228 # else 2229 # define Perl_fp_class(x) fp_class_d(x) 2230 # endif 2231 # else 2232 # if defined(USE_LONG_DOUBLE) && defined(HAS_FP_CLASSL) 2233 # define Perl_fp_class(x) fp_classl(x) 2234 # else 2235 # define Perl_fp_class(x) fp_class(x) 2236 # endif 2237 # endif 2238 # if defined(FP_POS_INF) && defined(FP_QNAN) 2239 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN) 2240 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN) 2241 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NEG_INF) 2242 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_POS_INF) 2243 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NEG_NORM) 2244 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_POS_NORM) 2245 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NEG_DENORM) 2246 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_POS_DENORM) 2247 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NEG_ZERO) 2248 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_POS_ZERO) 2249 # else 2250 # undef Perl_fp_class /* Unknown set of defines */ 2251 # endif 2252 # endif 2253 #endif 2254 2255 /* class(), _class(): Legacy: AIX. */ 2256 #if !defined(Perl_fp_class) && defined(HAS_CLASS) 2257 # include <math.h> 2258 # if defined(FP_PLUS_NORM) && defined(FP_PLUS_INF) 2259 # ifndef _cplusplus 2260 # define Perl_fp_class(x) class(x) 2261 # else 2262 # define Perl_fp_class(x) _class(x) 2263 # endif 2264 # if defined(FP_PLUS_INF) && defined(FP_NANQ) 2265 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS) 2266 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ) 2267 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF) 2268 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF) 2269 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM) 2270 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM) 2271 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM) 2272 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM) 2273 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO) 2274 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO) 2275 # else 2276 # undef Perl_fp_class /* Unknown set of defines */ 2277 # endif 2278 # endif 2279 #endif 2280 2281 /* Win32: _fpclass(), _isnan(), _finite(). */ 2282 #ifdef WIN32 2283 # ifndef Perl_isnan 2284 # define Perl_isnan(x) _isnan(x) 2285 # endif 2286 # ifndef Perl_isfinite 2287 # define Perl_isfinite(x) _finite(x) 2288 # endif 2289 # ifndef Perl_fp_class_snan 2290 /* No simple way to #define Perl_fp_class because _fpclass() 2291 * returns a set of bits. */ 2292 # define Perl_fp_class_snan(x) (_fpclass(x) & _FPCLASS_SNAN) 2293 # define Perl_fp_class_qnan(x) (_fpclass(x) & _FPCLASS_QNAN) 2294 # define Perl_fp_class_nan(x) (_fpclass(x) & (_FPCLASS_SNAN|_FPCLASS_QNAN)) 2295 # define Perl_fp_class_ninf(x) (_fpclass(x) & _FPCLASS_NINF)) 2296 # define Perl_fp_class_pinf(x) (_fpclass(x) & _FPCLASS_PINF)) 2297 # define Perl_fp_class_inf(x) (_fpclass(x) & (_FPCLASS_NINF|_FPCLASS_PINF)) 2298 # define Perl_fp_class_nnorm(x) (_fpclass(x) & _FPCLASS_NN) 2299 # define Perl_fp_class_pnorm(x) (_fpclass(x) & _FPCLASS_PN) 2300 # define Perl_fp_class_norm(x) (_fpclass(x) & (_FPCLASS_NN|_FPCLASS_PN)) 2301 # define Perl_fp_class_ndenorm(x) (_fpclass(x) & _FPCLASS_ND) 2302 # define Perl_fp_class_pdenorm(x) (_fpclass(x) & _FPCLASS_PD) 2303 # define Perl_fp_class_denorm(x) (_fpclass(x) & (_FPCLASS_ND|_FPCLASS_PD)) 2304 # define Perl_fp_class_nzero(x) (_fpclass(x) & _FPCLASS_NZ) 2305 # define Perl_fp_class_pzero(x) (_fpclass(x) & _FPCLASS_PZ) 2306 # define Perl_fp_class_zero(x) (_fpclass(x) & (_FPCLASS_NZ|_FPCLASS_PZ)) 2307 # endif 2308 #endif 2309 2310 #if !defined(Perl_fp_class_inf) && \ 2311 defined(Perl_fp_class_pinf) && defined(Perl_fp_class_ninf) 2312 # define Perl_fp_class_inf(x) \ 2313 (Perl_fp_class_pinf(x) || Perl_fp_class_ninf(x)) 2314 #endif 2315 2316 #if !defined(Perl_fp_class_nan) && \ 2317 defined(Perl_fp_class_snan) && defined(Perl_fp_class_qnan) 2318 # define Perl_fp_class_nan(x) \ 2319 (Perl_fp_class_snan(x) || Perl_fp_class_qnan(x)) 2320 #endif 2321 2322 #if !defined(Perl_fp_class_zero) && \ 2323 defined(Perl_fp_class_pzero) && defined(Perl_fp_class_nzero) 2324 # define Perl_fp_class_zero(x) \ 2325 (Perl_fp_class_pzero(x) || Perl_fp_class_nzero(x)) 2326 #endif 2327 2328 #if !defined(Perl_fp_class_norm) && \ 2329 defined(Perl_fp_class_pnorm) && defined(Perl_fp_class_nnorm) 2330 # define Perl_fp_class_norm(x) \ 2331 (Perl_fp_class_pnorm(x) || Perl_fp_class_nnorm(x)) 2332 #endif 2333 2334 #if !defined(Perl_fp_class_denorm) && \ 2335 defined(Perl_fp_class_pdenorm) && defined(Perl_fp_class_ndenorm) 2336 # define Perl_fp_class_denorm(x) \ 2337 (Perl_fp_class_pdenorm(x) || Perl_fp_class_ndenorm(x)) 2338 #endif 2339 2340 #ifdef UNDER_CE 2341 int isnan(double d); 2342 #endif 2343 2344 #ifndef Perl_isnan 2345 # ifdef Perl_fp_class_nan 2346 # define Perl_isnan(x) Perl_fp_class_nan(x) 2347 # else 2348 # ifdef HAS_UNORDERED 2349 # define Perl_isnan(x) unordered((x), 0.0) 2350 # else 2351 # define Perl_isnan(x) ((x)!=(x)) 2352 # endif 2353 # endif 2354 #endif 2355 2356 #ifndef Perl_isinf 2357 # ifdef Perl_fp_class_inf 2358 # define Perl_isinf(x) Perl_fp_class_inf(x) 2359 # endif 2360 #endif 2361 2362 #ifndef Perl_isfinite 2363 # if defined(HAS_ISFINITE) && !defined(isfinite) 2364 # define Perl_isfinite(x) isfinite((double)(x)) 2365 # elif defined(HAS_FINITE) 2366 # define Perl_isfinite(x) finite((double)(x)) 2367 # elif defined(Perl_fp_class_finite) 2368 # define Perl_isfinite(x) Perl_fp_class_finite(x) 2369 # else 2370 /* For the infinities the multiplication returns nan, 2371 * for the nan the multiplication also returns nan, 2372 * for everything else (that is, finite) zero should be returned. */ 2373 # define Perl_isfinite(x) (((x) * 0) == 0) 2374 # endif 2375 #endif 2376 2377 #ifndef Perl_isinf 2378 # if defined(Perl_isfinite) && defined(Perl_isnan) 2379 # define Perl_isinf(x) !(Perl_isfinite(x)||Perl_isnan(x)) 2380 # endif 2381 #endif 2382 2383 /* We need Perl_isfinitel (ends with ell) (if available) even when 2384 * not USE_LONG_DOUBLE because the printf code (sv_catpvfn_flags) 2385 * needs that. */ 2386 #if defined(HAS_LONG_DOUBLE) && !defined(Perl_isfinitel) 2387 /* If isfinite() is a macro and looks like we have C99, 2388 * we assume it's the type-aware C99 isfinite(). */ 2389 # if defined(HAS_ISFINITE) && defined(isfinite) && defined(HAS_C99) 2390 # define Perl_isfinitel(x) isfinite(x) 2391 # elif defined(HAS_ISFINITEL) 2392 # define Perl_isfinitel(x) isfinitel(x) 2393 # elif defined(HAS_FINITEL) 2394 # define Perl_isfinitel(x) finitel(x) 2395 # elif defined(HAS_INFL) && defined(HAS_NANL) 2396 # define Perl_isfinitel(x) !(isinfl(x)||isnanl(x)) 2397 # else 2398 # define Perl_isfinitel(x) ((x) * 0 == 0) /* See Perl_isfinite. */ 2399 # endif 2400 #endif 2401 2402 /* The default is to use Perl's own atof() implementation (in numeric.c). 2403 * Usually that is the one to use but for some platforms (e.g. UNICOS) 2404 * it is however best to use the native implementation of atof. 2405 * You can experiment with using your native one by -DUSE_PERL_ATOF=0. 2406 * Some good tests to try out with either setting are t/base/num.t, 2407 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles 2408 * you may need to be using a different function than atof! */ 2409 2410 #ifndef USE_PERL_ATOF 2411 # ifndef _UNICOS 2412 # define USE_PERL_ATOF 2413 # endif 2414 #else 2415 # if USE_PERL_ATOF == 0 2416 # undef USE_PERL_ATOF 2417 # endif 2418 #endif 2419 2420 #ifdef USE_PERL_ATOF 2421 # define Perl_atof(s) Perl_my_atof(s) 2422 # define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n)) 2423 #else 2424 # define Perl_atof(s) (NV)atof(s) 2425 # define Perl_atof2(s, n) ((n) = atof(s)) 2426 #endif 2427 2428 /* Previously these definitions used hardcoded figures. 2429 * It is hoped these formula are more portable, although 2430 * no data one way or another is presently known to me. 2431 * The "PERL_" names are used because these calculated constants 2432 * do not meet the ANSI requirements for LONG_MAX, etc., which 2433 * need to be constants acceptable to #if - kja 2434 * define PERL_LONG_MAX 2147483647L 2435 * define PERL_LONG_MIN (-LONG_MAX - 1) 2436 * define PERL ULONG_MAX 4294967295L 2437 */ 2438 2439 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */ 2440 # include <limits.h> 2441 #endif 2442 /* Included values.h above if necessary; still including limits.h down here, 2443 * despite doing above, because math.h might have overridden... XXX - Allen */ 2444 2445 /* 2446 * Try to figure out max and min values for the integral types. THE CORRECT 2447 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The 2448 * following hacks are used if neither limits.h or values.h provide them: 2449 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0 2450 * for types < int: (unsigned TYPE)~(unsigned)0 2451 * The argument to ~ must be unsigned so that later signed->unsigned 2452 * conversion can't modify the value's bit pattern (e.g. -0 -> +0), 2453 * and it must not be smaller than int because ~ does integral promotion. 2454 * <type>_MAX: (<type>) (U<type>_MAX >> 1) 2455 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>. 2456 * The latter is a hack which happens to work on some machines but 2457 * does *not* catch any random system, or things like integer types 2458 * with NaN if that is possible. 2459 * 2460 * All of the types are explicitly cast to prevent accidental loss of 2461 * numeric range, and in the hope that they will be less likely to confuse 2462 * over-eager optimizers. 2463 * 2464 */ 2465 2466 #define PERL_UCHAR_MIN ((unsigned char)0) 2467 2468 #ifdef UCHAR_MAX 2469 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX) 2470 #else 2471 # ifdef MAXUCHAR 2472 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR) 2473 # else 2474 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0) 2475 # endif 2476 #endif 2477 2478 /* 2479 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be 2480 * ambiguous. It may be equivalent to (signed char) or (unsigned char) 2481 * depending on local options. Until Configure detects this (or at least 2482 * detects whether the "signed" keyword is available) the CHAR ranges 2483 * will not be included. UCHAR functions normally. 2484 * - kja 2485 */ 2486 2487 #define PERL_USHORT_MIN ((unsigned short)0) 2488 2489 #ifdef USHORT_MAX 2490 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX) 2491 #else 2492 # ifdef MAXUSHORT 2493 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT) 2494 # else 2495 # ifdef USHRT_MAX 2496 # define PERL_USHORT_MAX ((unsigned short)USHRT_MAX) 2497 # else 2498 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0) 2499 # endif 2500 # endif 2501 #endif 2502 2503 #ifdef SHORT_MAX 2504 # define PERL_SHORT_MAX ((short)SHORT_MAX) 2505 #else 2506 # ifdef MAXSHORT /* Often used in <values.h> */ 2507 # define PERL_SHORT_MAX ((short)MAXSHORT) 2508 # else 2509 # ifdef SHRT_MAX 2510 # define PERL_SHORT_MAX ((short)SHRT_MAX) 2511 # else 2512 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1)) 2513 # endif 2514 # endif 2515 #endif 2516 2517 #ifdef SHORT_MIN 2518 # define PERL_SHORT_MIN ((short)SHORT_MIN) 2519 #else 2520 # ifdef MINSHORT 2521 # define PERL_SHORT_MIN ((short)MINSHORT) 2522 # else 2523 # ifdef SHRT_MIN 2524 # define PERL_SHORT_MIN ((short)SHRT_MIN) 2525 # else 2526 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3)) 2527 # endif 2528 # endif 2529 #endif 2530 2531 #ifdef UINT_MAX 2532 # define PERL_UINT_MAX ((unsigned int)UINT_MAX) 2533 #else 2534 # ifdef MAXUINT 2535 # define PERL_UINT_MAX ((unsigned int)MAXUINT) 2536 # else 2537 # define PERL_UINT_MAX (~(unsigned int)0) 2538 # endif 2539 #endif 2540 2541 #define PERL_UINT_MIN ((unsigned int)0) 2542 2543 #ifdef INT_MAX 2544 # define PERL_INT_MAX ((int)INT_MAX) 2545 #else 2546 # ifdef MAXINT /* Often used in <values.h> */ 2547 # define PERL_INT_MAX ((int)MAXINT) 2548 # else 2549 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1)) 2550 # endif 2551 #endif 2552 2553 #ifdef INT_MIN 2554 # define PERL_INT_MIN ((int)INT_MIN) 2555 #else 2556 # ifdef MININT 2557 # define PERL_INT_MIN ((int)MININT) 2558 # else 2559 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3)) 2560 # endif 2561 #endif 2562 2563 #ifdef ULONG_MAX 2564 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX) 2565 #else 2566 # ifdef MAXULONG 2567 # define PERL_ULONG_MAX ((unsigned long)MAXULONG) 2568 # else 2569 # define PERL_ULONG_MAX (~(unsigned long)0) 2570 # endif 2571 #endif 2572 2573 #define PERL_ULONG_MIN ((unsigned long)0L) 2574 2575 #ifdef LONG_MAX 2576 # define PERL_LONG_MAX ((long)LONG_MAX) 2577 #else 2578 # ifdef MAXLONG /* Often used in <values.h> */ 2579 # define PERL_LONG_MAX ((long)MAXLONG) 2580 # else 2581 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1)) 2582 # endif 2583 #endif 2584 2585 #ifdef LONG_MIN 2586 # define PERL_LONG_MIN ((long)LONG_MIN) 2587 #else 2588 # ifdef MINLONG 2589 # define PERL_LONG_MIN ((long)MINLONG) 2590 # else 2591 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3)) 2592 # endif 2593 #endif 2594 2595 #ifdef UV_IS_QUAD 2596 2597 # define PERL_UQUAD_MAX (~(UV)0) 2598 # define PERL_UQUAD_MIN ((UV)0) 2599 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1)) 2600 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3)) 2601 2602 #endif 2603 2604 typedef MEM_SIZE STRLEN; 2605 2606 typedef struct op OP; 2607 typedef struct cop COP; 2608 typedef struct unop UNOP; 2609 typedef struct unop_aux UNOP_AUX; 2610 typedef struct binop BINOP; 2611 typedef struct listop LISTOP; 2612 typedef struct logop LOGOP; 2613 typedef struct pmop PMOP; 2614 typedef struct svop SVOP; 2615 typedef struct padop PADOP; 2616 typedef struct pvop PVOP; 2617 typedef struct loop LOOP; 2618 typedef struct methop METHOP; 2619 2620 #ifdef PERL_CORE 2621 typedef struct opslab OPSLAB; 2622 typedef struct opslot OPSLOT; 2623 #endif 2624 2625 typedef struct block_hooks BHK; 2626 typedef struct custom_op XOP; 2627 2628 typedef struct interpreter PerlInterpreter; 2629 2630 /* SGI's <sys/sema.h> has struct sv */ 2631 #if defined(__sgi) 2632 # define STRUCT_SV perl_sv 2633 #else 2634 # define STRUCT_SV sv 2635 #endif 2636 typedef struct STRUCT_SV SV; 2637 typedef struct av AV; 2638 typedef struct hv HV; 2639 typedef struct cv CV; 2640 typedef struct p5rx REGEXP; 2641 typedef struct gp GP; 2642 typedef struct gv GV; 2643 typedef struct io IO; 2644 typedef struct context PERL_CONTEXT; 2645 typedef struct block BLOCK; 2646 2647 typedef struct magic MAGIC; 2648 typedef struct xpv XPV; 2649 typedef struct xpviv XPVIV; 2650 typedef struct xpvuv XPVUV; 2651 typedef struct xpvnv XPVNV; 2652 typedef struct xpvmg XPVMG; 2653 typedef struct xpvlv XPVLV; 2654 typedef struct xpvinvlist XINVLIST; 2655 typedef struct xpvav XPVAV; 2656 typedef struct xpvhv XPVHV; 2657 typedef struct xpvgv XPVGV; 2658 typedef struct xpvcv XPVCV; 2659 typedef struct xpvbm XPVBM; 2660 typedef struct xpvfm XPVFM; 2661 typedef struct xpvio XPVIO; 2662 typedef struct mgvtbl MGVTBL; 2663 typedef union any ANY; 2664 typedef struct ptr_tbl_ent PTR_TBL_ENT_t; 2665 typedef struct ptr_tbl PTR_TBL_t; 2666 typedef struct clone_params CLONE_PARAMS; 2667 2668 /* a pad is currently just an AV; but that might change, 2669 * so hide the type. */ 2670 typedef struct padlist PADLIST; 2671 typedef AV PAD; 2672 typedef struct padnamelist PADNAMELIST; 2673 typedef struct padname PADNAME; 2674 2675 /* enable PERL_COPY_ON_WRITE by default */ 2676 #if !defined(PERL_COPY_ON_WRITE) && !defined(PERL_NO_COW) 2677 # define PERL_COPY_ON_WRITE 2678 #endif 2679 2680 #ifdef PERL_COPY_ON_WRITE 2681 # define PERL_ANY_COW 2682 #else 2683 # define PERL_SAWAMPERSAND 2684 #endif 2685 2686 #if defined(PERL_DEBUG_READONLY_OPS) && !defined(USE_ITHREADS) 2687 # error PERL_DEBUG_READONLY_OPS only works with ithreads 2688 #endif 2689 2690 #include "handy.h" 2691 #include "charclass_invlists.h" 2692 2693 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO) 2694 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO) 2695 # define USE_64_BIT_RAWIO /* implicit */ 2696 # endif 2697 #endif 2698 2699 /* Notice the use of HAS_FSEEKO: now we are obligated to always use 2700 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself, 2701 * however, because operating systems like to do that themself. */ 2702 #ifndef FSEEKSIZE 2703 # ifdef HAS_FSEEKO 2704 # define FSEEKSIZE LSEEKSIZE 2705 # else 2706 # define FSEEKSIZE LONGSIZE 2707 # endif 2708 #endif 2709 2710 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO) 2711 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO) 2712 # define USE_64_BIT_STDIO /* implicit */ 2713 # endif 2714 #endif 2715 2716 #ifdef USE_64_BIT_RAWIO 2717 # ifdef HAS_OFF64_T 2718 # undef Off_t 2719 # define Off_t off64_t 2720 # undef LSEEKSIZE 2721 # define LSEEKSIZE 8 2722 # endif 2723 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that 2724 * will trigger defines like the ones below. Some 64-bit environments, 2725 * however, do not. Therefore we have to explicitly mix and match. */ 2726 # if defined(USE_OPEN64) 2727 # define open open64 2728 # endif 2729 # if defined(USE_LSEEK64) 2730 # define lseek lseek64 2731 # else 2732 # if defined(USE_LLSEEK) 2733 # define lseek llseek 2734 # endif 2735 # endif 2736 # if defined(USE_STAT64) 2737 # define stat stat64 2738 # endif 2739 # if defined(USE_FSTAT64) 2740 # define fstat fstat64 2741 # endif 2742 # if defined(USE_LSTAT64) 2743 # define lstat lstat64 2744 # endif 2745 # if defined(USE_FLOCK64) 2746 # define flock flock64 2747 # endif 2748 # if defined(USE_LOCKF64) 2749 # define lockf lockf64 2750 # endif 2751 # if defined(USE_FCNTL64) 2752 # define fcntl fcntl64 2753 # endif 2754 # if defined(USE_TRUNCATE64) 2755 # define truncate truncate64 2756 # endif 2757 # if defined(USE_FTRUNCATE64) 2758 # define ftruncate ftruncate64 2759 # endif 2760 #endif 2761 2762 #ifdef USE_64_BIT_STDIO 2763 # ifdef HAS_FPOS64_T 2764 # undef Fpos_t 2765 # define Fpos_t fpos64_t 2766 # endif 2767 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that 2768 * will trigger defines like the ones below. Some 64-bit environments, 2769 * however, do not. */ 2770 # if defined(USE_FOPEN64) 2771 # define fopen fopen64 2772 # endif 2773 # if defined(USE_FSEEK64) 2774 # define fseek fseek64 /* don't do fseeko here, see perlio.c */ 2775 # endif 2776 # if defined(USE_FTELL64) 2777 # define ftell ftell64 /* don't do ftello here, see perlio.c */ 2778 # endif 2779 # if defined(USE_FSETPOS64) 2780 # define fsetpos fsetpos64 2781 # endif 2782 # if defined(USE_FGETPOS64) 2783 # define fgetpos fgetpos64 2784 # endif 2785 # if defined(USE_TMPFILE64) 2786 # define tmpfile tmpfile64 2787 # endif 2788 # if defined(USE_FREOPEN64) 2789 # define freopen freopen64 2790 # endif 2791 #endif 2792 2793 #if defined(OS2) 2794 # include "iperlsys.h" 2795 #endif 2796 2797 #ifdef DOSISH 2798 # if defined(OS2) 2799 # include "os2ish.h" 2800 # else 2801 # include "dosish.h" 2802 # endif 2803 #elif defined(VMS) 2804 # include "vmsish.h" 2805 #elif defined(PLAN9) 2806 # include "./plan9/plan9ish.h" 2807 #elif defined(__VOS__) 2808 # ifdef __GNUC__ 2809 # include "./vos/vosish.h" 2810 # else 2811 # include "vos/vosish.h" 2812 # endif 2813 #elif defined(__SYMBIAN32__) 2814 # include "symbian/symbianish.h" 2815 #elif defined(__HAIKU__) 2816 # include "haiku/haikuish.h" 2817 #else 2818 # include "unixish.h" 2819 #endif 2820 2821 #ifdef __amigaos4__ 2822 # include "amigaos.h" 2823 # undef FD_CLOEXEC /* a lie in AmigaOS */ 2824 #endif 2825 2826 /* NSIG logic from Configure --> */ 2827 /* Strange style to avoid deeply-nested #if/#else/#endif */ 2828 #ifndef NSIG 2829 # ifdef _NSIG 2830 # define NSIG (_NSIG) 2831 # endif 2832 #endif 2833 2834 #ifndef NSIG 2835 # ifdef SIGMAX 2836 # define NSIG (SIGMAX+1) 2837 # endif 2838 #endif 2839 2840 #ifndef NSIG 2841 # ifdef SIG_MAX 2842 # define NSIG (SIG_MAX+1) 2843 # endif 2844 #endif 2845 2846 #ifndef NSIG 2847 # ifdef _SIG_MAX 2848 # define NSIG (_SIG_MAX+1) 2849 # endif 2850 #endif 2851 2852 #ifndef NSIG 2853 # ifdef MAXSIG 2854 # define NSIG (MAXSIG+1) 2855 # endif 2856 #endif 2857 2858 #ifndef NSIG 2859 # ifdef MAX_SIG 2860 # define NSIG (MAX_SIG+1) 2861 # endif 2862 #endif 2863 2864 #ifndef NSIG 2865 # ifdef SIGARRAYSIZE 2866 # define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ 2867 # endif 2868 #endif 2869 2870 #ifndef NSIG 2871 # ifdef _sys_nsig 2872 # define NSIG (_sys_nsig) /* Solaris 2.5 */ 2873 # endif 2874 #endif 2875 2876 /* Default to some arbitrary number that's big enough to get most 2877 of the common signals. 2878 */ 2879 #ifndef NSIG 2880 # define NSIG 50 2881 #endif 2882 /* <-- NSIG logic from Configure */ 2883 2884 #ifndef NO_ENVIRON_ARRAY 2885 # define USE_ENVIRON_ARRAY 2886 #endif 2887 2888 /* 2889 * initialise to avoid floating-point exceptions from overflow, etc 2890 */ 2891 #ifndef PERL_FPU_INIT 2892 # ifdef HAS_FPSETMASK 2893 # if HAS_FLOATINGPOINT_H 2894 # include <floatingpoint.h> 2895 # endif 2896 /* Some operating systems have this as a macro, which in turn expands to a comma 2897 expression, and the last sub-expression is something that gets calculated, 2898 and then they have the gall to warn that a value computed is not used. Hence 2899 cast to void. */ 2900 # define PERL_FPU_INIT (void)fpsetmask(0) 2901 # else 2902 # if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO) 2903 # define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN) 2904 # define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe); 2905 # define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); } 2906 # else 2907 # define PERL_FPU_INIT 2908 2909 # endif 2910 # endif 2911 #endif 2912 #ifndef PERL_FPU_PRE_EXEC 2913 # define PERL_FPU_PRE_EXEC { 2914 # define PERL_FPU_POST_EXEC } 2915 #endif 2916 2917 /* In Tru64 the cc -ieee enables the IEEE math but disables traps. 2918 * We need to reenable the "invalid" trap because otherwise generation 2919 * of NaN values leaves the IEEE fp flags in bad state, leaving any further 2920 * fp ops behaving strangely (Inf + 1 resulting in zero, for example). */ 2921 #ifdef __osf__ 2922 # include <machine/fpu.h> 2923 # define PERL_SYS_FPU_INIT \ 2924 STMT_START { \ 2925 ieee_set_fp_control(IEEE_TRAP_ENABLE_INV); \ 2926 signal(SIGFPE, SIG_IGN); \ 2927 } STMT_END 2928 #endif 2929 /* In IRIX the default for Flush to Zero bit is true, 2930 * which means that results going below the minimum of normal 2931 * floating points go to zero, instead of going denormal/subnormal. 2932 * This is unlike almost any other system running Perl, so let's clear it. 2933 * [perl #123767] IRIX64 blead (ddce084a) opbasic/arith.t failure, originally 2934 * [perl #120426] small numbers shouldn't round to zero if they have extra floating digits 2935 * 2936 * XXX The flush-to-zero behaviour should be a Configure scan. 2937 * To change the behaviour usually requires some system-specific 2938 * incantation, though, like the below. */ 2939 #ifdef __sgi 2940 # include <sys/fpu.h> 2941 # define PERL_SYS_FPU_INIT \ 2942 STMT_START { \ 2943 union fpc_csr csr; \ 2944 csr.fc_word = get_fpc_csr(); \ 2945 csr.fc_struct.flush = 0; \ 2946 set_fpc_csr(csr.fc_word); \ 2947 } STMT_END 2948 #endif 2949 2950 #ifndef PERL_SYS_FPU_INIT 2951 # define PERL_SYS_FPU_INIT NOOP 2952 #endif 2953 2954 #ifndef PERL_SYS_INIT3_BODY 2955 # define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp) 2956 #endif 2957 2958 /* 2959 =head1 Miscellaneous Functions 2960 2961 =for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv 2962 Provides system-specific tune up of the C runtime environment necessary to 2963 run Perl interpreters. This should be called only once, before creating 2964 any Perl interpreters. 2965 2966 =for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env 2967 Provides system-specific tune up of the C runtime environment necessary to 2968 run Perl interpreters. This should be called only once, before creating 2969 any Perl interpreters. 2970 2971 =for apidoc Am|void|PERL_SYS_TERM| 2972 Provides system-specific clean up of the C runtime environment after 2973 running Perl interpreters. This should be called only once, after 2974 freeing any remaining Perl interpreters. 2975 2976 =cut 2977 */ 2978 2979 #define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv) 2980 #define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env) 2981 #define PERL_SYS_TERM() Perl_sys_term() 2982 2983 #ifndef PERL_WRITE_MSG_TO_CONSOLE 2984 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len) 2985 #endif 2986 2987 #ifndef MAXPATHLEN 2988 # ifdef PATH_MAX 2989 # ifdef _POSIX_PATH_MAX 2990 # if PATH_MAX > _POSIX_PATH_MAX 2991 /* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX 2992 * included the null byte or not. Later amendments of POSIX, 2993 * XPG4, the Austin Group, and the Single UNIX Specification 2994 * all explicitly include the null byte in the PATH_MAX. 2995 * Ditto for _POSIX_PATH_MAX. */ 2996 # define MAXPATHLEN PATH_MAX 2997 # else 2998 # define MAXPATHLEN _POSIX_PATH_MAX 2999 # endif 3000 # else 3001 # define MAXPATHLEN (PATH_MAX+1) 3002 # endif 3003 # else 3004 # define MAXPATHLEN 1024 /* Err on the large side. */ 3005 # endif 3006 #endif 3007 3008 /* In case Configure was not used (we are using a "canned config" 3009 * such as Win32, or a cross-compilation setup, for example) try going 3010 * by the gcc major and minor versions. One useful URL is 3011 * http://www.ohse.de/uwe/articles/gcc-attributes.html, 3012 * but contrary to this information warn_unused_result seems 3013 * not to be in gcc 3.3.5, at least. --jhi 3014 * Also, when building extensions with an installed perl, this allows 3015 * the user to upgrade gcc and get the right attributes, rather than 3016 * relying on the list generated at Configure time. --AD 3017 * Set these up now otherwise we get confused when some of the <*thread.h> 3018 * includes below indirectly pull in <perlio.h> (which needs to know if we 3019 * have HASATTRIBUTE_FORMAT). 3020 */ 3021 3022 #ifndef PERL_MICRO 3023 #if defined __GNUC__ && !defined(__INTEL_COMPILER) 3024 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */ 3025 # define HASATTRIBUTE_DEPRECATED 3026 # endif 3027 # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */ 3028 # define HASATTRIBUTE_FORMAT 3029 # if defined __MINGW32__ 3030 # define PRINTF_FORMAT_NULL_OK 3031 # endif 3032 # endif 3033 # if __GNUC__ >= 3 /* 3.0 -> */ 3034 # define HASATTRIBUTE_MALLOC 3035 # endif 3036 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */ 3037 # define HASATTRIBUTE_NONNULL 3038 # endif 3039 # if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */ 3040 # define HASATTRIBUTE_NORETURN 3041 # endif 3042 # if __GNUC__ >= 3 /* gcc 3.0 -> */ 3043 # define HASATTRIBUTE_PURE 3044 # endif 3045 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */ 3046 # define HASATTRIBUTE_UNUSED 3047 # endif 3048 # if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus) 3049 # define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */ 3050 # endif 3051 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */ 3052 # define HASATTRIBUTE_WARN_UNUSED_RESULT 3053 # endif 3054 #endif 3055 #endif /* #ifndef PERL_MICRO */ 3056 3057 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes 3058 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h> 3059 * this results in many functions being undeclared which bothers C++ 3060 * May make sense to have threads after "*ish.h" anyway 3061 */ 3062 3063 /* clang Thread Safety Analysis/Annotations/Attributes 3064 * http://clang.llvm.org/docs/ThreadSafetyAnalysis.html 3065 * 3066 * Available since clang 3.6-ish (appeared in 3.4, but shaky still in 3.5). 3067 * Apple XCode hijacks __clang_major__ and __clang_minor__ 3068 * (6.1 means really clang 3.6), so needs extra hijinks 3069 * (could probably also test the contents of __apple_build_version__). 3070 */ 3071 #if defined(USE_ITHREADS) && defined(I_PTHREAD) && \ 3072 defined(__clang__) && \ 3073 !defined(PERL_GLOBAL_STRUCT) && \ 3074 !defined(PERL_GLOBAL_STRUCT_PRIVATE) && \ 3075 !defined(SWIG) && \ 3076 ((!defined(__apple_build_version__) && \ 3077 ((__clang_major__ == 3 && __clang_minor__ >= 6) || \ 3078 (__clang_major__ >= 4))) || \ 3079 (defined(__apple_build_version__) && \ 3080 ((__clang_major__ == 6 && __clang_minor__ >= 1) || \ 3081 (__clang_major__ >= 7)))) 3082 # define PERL_TSA__(x) __attribute__((x)) 3083 # define PERL_TSA_ACTIVE 3084 #else 3085 # define PERL_TSA__(x) /* No TSA, make TSA attributes no-ops. */ 3086 # undef PERL_TSA_ACTIVE 3087 #endif 3088 3089 /* PERL_TSA_CAPABILITY() is used to annotate typedefs. 3090 * typedef old_type PERL_TSA_CAPABILITY("mutex") new_type; 3091 */ 3092 #define PERL_TSA_CAPABILITY(x) \ 3093 PERL_TSA__(capability(x)) 3094 3095 /* In the below examples the mutex must be lexically visible, usually 3096 * either as global variables, or as function arguments. */ 3097 3098 /* PERL_TSA_GUARDED_BY() is used to annotate global variables. 3099 * 3100 * Foo foo PERL_TSA_GUARDED_BY(mutex); 3101 */ 3102 #define PERL_TSA_GUARDED_BY(x) \ 3103 PERL_TSA__(guarded_by(x)) 3104 3105 /* PERL_TSA_PT_GUARDED_BY() is used to annotate global pointers. 3106 * The data _behind_ the pointer is guarded. 3107 * 3108 * Foo* ptr PERL_TSA_PT_GUARDED_BY(mutex); 3109 */ 3110 #define PERL_TSA_PT_GUARDED_BY(x) \ 3111 PERL_TSA__(pt_guarded_by(x)) 3112 3113 /* PERL_TSA_REQUIRES() is used to annotate functions. 3114 * The caller MUST hold the resource when calling the function. 3115 * 3116 * void Foo() PERL_TSA_REQUIRES(mutex); 3117 */ 3118 #define PERL_TSA_REQUIRES(x) \ 3119 PERL_TSA__(requires_capability(x)) 3120 3121 /* PERL_TSA_EXCLUDES() is used to annotate functions. 3122 * The caller MUST NOT hold resource when calling the function. 3123 * 3124 * EXCLUDES should be used when the function first acquires 3125 * the resource and then releases it. Use to avoid deadlock. 3126 * 3127 * void Foo() PERL_TSA_EXCLUDES(mutex); 3128 */ 3129 #define PERL_TSA_EXCLUDES(x) \ 3130 PERL_TSA__(locks_excluded(x)) 3131 3132 /* PERL_TSA_ACQUIRE() is used to annotate functions. 3133 * The caller MUST NOT hold the resource when calling the function, 3134 * and the function will acquire the resource. 3135 * 3136 * void Foo() PERL_TSA_ACQUIRE(mutex); 3137 */ 3138 #define PERL_TSA_ACQUIRE(x) \ 3139 PERL_TSA__(acquire_capability(x)) 3140 3141 /* PERL_TSA_RELEASE() is used to annotate functions. 3142 * The caller MUST hold the resource when calling the function, 3143 * and the function will release the resource. 3144 * 3145 * void Foo() PERL_TSA_RELEASE(mutex); 3146 */ 3147 #define PERL_TSA_RELEASE(x) \ 3148 PERL_TSA__(release_capability(x)) 3149 3150 /* PERL_TSA_NO_TSA is used to annotate functions. 3151 * Used when being intentionally unsafe, or when the code is too 3152 * complicated for the analysis. Use sparingly. 3153 * 3154 * void Foo() PERL_TSA_NO_TSA; 3155 */ 3156 #define PERL_TSA_NO_TSA \ 3157 PERL_TSA__(no_thread_safety_analysis) 3158 3159 /* There are more annotations/attributes available, see the clang 3160 * documentation for details. */ 3161 3162 #if defined(USE_ITHREADS) 3163 # ifdef NETWARE 3164 # include <nw5thread.h> 3165 # else 3166 # ifdef WIN32 3167 # include <win32thread.h> 3168 # else 3169 # ifdef OS2 3170 # include "os2thread.h" 3171 # else 3172 # ifdef I_MACH_CTHREADS 3173 # include <mach/cthreads.h> 3174 typedef cthread_t perl_os_thread; 3175 typedef mutex_t perl_mutex; 3176 typedef condition_t perl_cond; 3177 typedef void * perl_key; 3178 # else /* Posix threads */ 3179 # ifdef I_PTHREAD 3180 # include <pthread.h> 3181 # endif 3182 typedef pthread_t perl_os_thread; 3183 typedef pthread_mutex_t PERL_TSA_CAPABILITY("mutex") perl_mutex; 3184 typedef pthread_cond_t perl_cond; 3185 typedef pthread_key_t perl_key; 3186 # endif /* I_MACH_CTHREADS */ 3187 # endif /* OS2 */ 3188 # endif /* WIN32 */ 3189 # endif /* NETWARE */ 3190 #endif /* USE_ITHREADS */ 3191 3192 #ifdef PERL_TSA_ACTIVE 3193 /* Since most pthread mutex interfaces have not been annotated, we 3194 * need to have these wrappers. The NO_TSA annotation is quite ugly 3195 * but it cannot be avoided in plain C, unlike in C++, where one could 3196 * e.g. use ACQUIRE() with no arg on a mutex lock method. 3197 * 3198 * The bodies of these wrappers are in util.c 3199 * 3200 * TODO: however, some platforms are starting to get these clang 3201 * thread safety annotations for pthreads, for example FreeBSD. 3202 * Do we need a way to a bypass these wrappers? */ 3203 EXTERN_C int perl_tsa_mutex_lock(perl_mutex* mutex) 3204 PERL_TSA_ACQUIRE(*mutex) 3205 PERL_TSA_NO_TSA; 3206 EXTERN_C int perl_tsa_mutex_unlock(perl_mutex* mutex) 3207 PERL_TSA_RELEASE(*mutex) 3208 PERL_TSA_NO_TSA; 3209 #endif 3210 3211 #if defined(WIN32) 3212 # include "win32.h" 3213 #endif 3214 3215 #ifdef NETWARE 3216 # include "netware.h" 3217 #endif 3218 3219 #define STATUS_UNIX PL_statusvalue 3220 #ifdef VMS 3221 # define STATUS_NATIVE PL_statusvalue_vms 3222 /* 3223 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise 3224 * its contents can not be trusted. Unfortunately, Perl seems to check 3225 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should 3226 * be updated also. 3227 */ 3228 # include <stsdef.h> 3229 # include <ssdef.h> 3230 /* Presume this because if VMS changes it, it will require a new 3231 * set of APIs for waiting on children for binary compatibility. 3232 */ 3233 # define child_offset_bits (8) 3234 # ifndef C_FAC_POSIX 3235 # define C_FAC_POSIX 0x35A000 3236 # endif 3237 3238 /* STATUS_EXIT - validates and returns a NATIVE exit status code for the 3239 * platform from the existing UNIX or Native status values. 3240 */ 3241 3242 # define STATUS_EXIT \ 3243 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \ 3244 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0)) 3245 3246 3247 /* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child 3248 * exit code and shifts the UNIX value over the correct number of bits to 3249 * be a child status. Usually the number of bits is 8, but that could be 3250 * platform dependent. The NATIVE status code is presumed to have either 3251 * from a child process. 3252 */ 3253 3254 /* This is complicated. The child processes return a true native VMS 3255 status which must be saved. But there is an assumption in Perl that 3256 the UNIX child status has some relationship to errno values, so 3257 Perl tries to translate it to text in some of the tests. 3258 In order to get the string translation correct, for the error, errno 3259 must be EVMSERR, but that generates a different text message 3260 than what the test programs are expecting. So an errno value must 3261 be derived from the native status value when an error occurs. 3262 That will hide the true native status message. With this version of 3263 perl, the true native child status can always be retrieved so that 3264 is not a problem. But in this case, Pl_statusvalue and errno may 3265 have different values in them. 3266 */ 3267 3268 # define STATUS_NATIVE_CHILD_SET(n) \ 3269 STMT_START { \ 3270 I32 evalue = (I32)n; \ 3271 if (evalue == EVMSERR) { \ 3272 PL_statusvalue_vms = vaxc$errno; \ 3273 PL_statusvalue = evalue; \ 3274 } else { \ 3275 PL_statusvalue_vms = evalue; \ 3276 if (evalue == -1) { \ 3277 PL_statusvalue = -1; \ 3278 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \ 3279 } else \ 3280 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \ 3281 set_vaxc_errno(evalue); \ 3282 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \ 3283 set_errno(EVMSERR); \ 3284 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \ 3285 PL_statusvalue = PL_statusvalue << child_offset_bits; \ 3286 } \ 3287 } STMT_END 3288 3289 # ifdef VMSISH_STATUS 3290 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX) 3291 # else 3292 # define STATUS_CURRENT STATUS_UNIX 3293 # endif 3294 3295 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update 3296 * the NATIVE status to an equivalent value. Can not be used to translate 3297 * exit code values as exit code values are not guaranteed to have any 3298 * relationship at all to errno values. 3299 * This is used when Perl is forcing errno to have a specific value. 3300 */ 3301 # define STATUS_UNIX_SET(n) \ 3302 STMT_START { \ 3303 I32 evalue = (I32)n; \ 3304 PL_statusvalue = evalue; \ 3305 if (PL_statusvalue != -1) { \ 3306 if (PL_statusvalue != EVMSERR) { \ 3307 PL_statusvalue &= 0xFFFF; \ 3308 if (MY_POSIX_EXIT) \ 3309 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\ 3310 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \ 3311 } \ 3312 else { \ 3313 PL_statusvalue_vms = vaxc$errno; \ 3314 } \ 3315 } \ 3316 else PL_statusvalue_vms = SS$_ABORT; \ 3317 set_vaxc_errno(PL_statusvalue_vms); \ 3318 } STMT_END 3319 3320 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets 3321 * the NATIVE error status based on it. 3322 * 3323 * When in the default mode to comply with the Perl VMS documentation, 3324 * 0 is a success and any other code sets the NATIVE status to a failure 3325 * code of SS$_ABORT. 3326 * 3327 * In the new POSIX EXIT mode, native status will be set so that the 3328 * actual exit code will can be retrieved by the calling program or 3329 * shell. 3330 * 3331 * If the exit code is not clearly a UNIX parent or child exit status, 3332 * it will be passed through as a VMS status. 3333 */ 3334 3335 # define STATUS_UNIX_EXIT_SET(n) \ 3336 STMT_START { \ 3337 I32 evalue = (I32)n; \ 3338 PL_statusvalue = evalue; \ 3339 if (MY_POSIX_EXIT) { \ 3340 if (evalue <= 0xFF00) { \ 3341 if (evalue > 0xFF) \ 3342 evalue = (evalue >> child_offset_bits) & 0xFF; \ 3343 PL_statusvalue_vms = \ 3344 (C_FAC_POSIX | (evalue << 3 ) | \ 3345 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \ 3346 } else /* forgive them Perl, for they have sinned */ \ 3347 PL_statusvalue_vms = evalue; \ 3348 } else { \ 3349 if (evalue == 0) \ 3350 PL_statusvalue_vms = SS$_NORMAL; \ 3351 else if (evalue <= 0xFF00) \ 3352 PL_statusvalue_vms = SS$_ABORT; \ 3353 else { /* forgive them Perl, for they have sinned */ \ 3354 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \ 3355 else PL_statusvalue_vms = vaxc$errno; \ 3356 /* And obviously used a VMS status value instead of UNIX */ \ 3357 PL_statusvalue = EVMSERR; \ 3358 } \ 3359 set_vaxc_errno(PL_statusvalue_vms); \ 3360 } \ 3361 } STMT_END 3362 3363 3364 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code 3365 * and sets the NATIVE error status based on it. This special case 3366 * is needed to maintain compatibility with past VMS behavior. 3367 * 3368 * In the default mode on VMS, this number is passed through as 3369 * both the NATIVE and UNIX status. Which makes it different 3370 * that the STATUS_UNIX_EXIT_SET. 3371 * 3372 * In the new POSIX EXIT mode, native status will be set so that the 3373 * actual exit code will can be retrieved by the calling program or 3374 * shell. 3375 * 3376 * A POSIX exit code is from 0 to 255. If the exit code is higher 3377 * than this, it needs to be assumed that it is a VMS exit code and 3378 * passed through. 3379 */ 3380 3381 # define STATUS_EXIT_SET(n) \ 3382 STMT_START { \ 3383 I32 evalue = (I32)n; \ 3384 PL_statusvalue = evalue; \ 3385 if (MY_POSIX_EXIT) \ 3386 if (evalue > 255) PL_statusvalue_vms = evalue; else { \ 3387 PL_statusvalue_vms = \ 3388 (C_FAC_POSIX | (evalue << 3 ) | \ 3389 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \ 3390 else \ 3391 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \ 3392 set_vaxc_errno(PL_statusvalue_vms); \ 3393 } STMT_END 3394 3395 3396 /* This macro forces a success status */ 3397 # define STATUS_ALL_SUCCESS \ 3398 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL) 3399 3400 /* This macro forces a failure status */ 3401 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, \ 3402 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \ 3403 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT) 3404 3405 #elif defined(__amigaos4__) 3406 /* A somewhat experimental attempt to simulate posix return code values */ 3407 # define STATUS_NATIVE PL_statusvalue_posix 3408 # define STATUS_NATIVE_CHILD_SET(n) \ 3409 STMT_START { \ 3410 PL_statusvalue_posix = (n); \ 3411 if (PL_statusvalue_posix < 0) { \ 3412 PL_statusvalue = -1; \ 3413 } \ 3414 else { \ 3415 PL_statusvalue = n << 8; \ 3416 } \ 3417 } STMT_END 3418 # define STATUS_UNIX_SET(n) \ 3419 STMT_START { \ 3420 PL_statusvalue = (n); \ 3421 if (PL_statusvalue != -1) \ 3422 PL_statusvalue &= 0xFFFF; \ 3423 } STMT_END 3424 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n) 3425 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n) 3426 # define STATUS_CURRENT STATUS_UNIX 3427 # define STATUS_EXIT STATUS_UNIX 3428 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0) 3429 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1) 3430 3431 #else 3432 # define STATUS_NATIVE PL_statusvalue_posix 3433 # if defined(WCOREDUMP) 3434 # define STATUS_NATIVE_CHILD_SET(n) \ 3435 STMT_START { \ 3436 PL_statusvalue_posix = (n); \ 3437 if (PL_statusvalue_posix == -1) \ 3438 PL_statusvalue = -1; \ 3439 else { \ 3440 PL_statusvalue = \ 3441 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \ 3442 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \ 3443 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \ 3444 } \ 3445 } STMT_END 3446 # elif defined(WIFEXITED) 3447 # define STATUS_NATIVE_CHILD_SET(n) \ 3448 STMT_START { \ 3449 PL_statusvalue_posix = (n); \ 3450 if (PL_statusvalue_posix == -1) \ 3451 PL_statusvalue = -1; \ 3452 else { \ 3453 PL_statusvalue = \ 3454 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \ 3455 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \ 3456 } \ 3457 } STMT_END 3458 # else 3459 # define STATUS_NATIVE_CHILD_SET(n) \ 3460 STMT_START { \ 3461 PL_statusvalue_posix = (n); \ 3462 if (PL_statusvalue_posix == -1) \ 3463 PL_statusvalue = -1; \ 3464 else { \ 3465 PL_statusvalue = \ 3466 PL_statusvalue_posix & 0xFFFF; \ 3467 } \ 3468 } STMT_END 3469 # endif 3470 # define STATUS_UNIX_SET(n) \ 3471 STMT_START { \ 3472 PL_statusvalue = (n); \ 3473 if (PL_statusvalue != -1) \ 3474 PL_statusvalue &= 0xFFFF; \ 3475 } STMT_END 3476 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n) 3477 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n) 3478 # define STATUS_CURRENT STATUS_UNIX 3479 # define STATUS_EXIT STATUS_UNIX 3480 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0) 3481 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1) 3482 #endif 3483 3484 /* flags in PL_exit_flags for nature of exit() */ 3485 #define PERL_EXIT_EXPECTED 0x01 3486 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */ 3487 #define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */ 3488 #define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */ 3489 3490 #ifndef PERL_CORE 3491 /* format to use for version numbers in file/directory names */ 3492 /* XXX move to Configure? */ 3493 /* This was only ever used for the current version, and that can be done at 3494 compile time, as PERL_FS_VERSION, so should we just delete it? */ 3495 # ifndef PERL_FS_VER_FMT 3496 # define PERL_FS_VER_FMT "%d.%d.%d" 3497 # endif 3498 #endif 3499 3500 #ifndef PERL_FS_VERSION 3501 # define PERL_FS_VERSION PERL_VERSION_STRING 3502 #endif 3503 3504 /* This defines a way to flush all output buffers. This may be a 3505 * performance issue, so we allow people to disable it. Also, if 3506 * we are using stdio, there are broken implementations of fflush(NULL) 3507 * out there, Solaris being the most prominent. 3508 */ 3509 #ifndef PERL_FLUSHALL_FOR_CHILD 3510 # if defined(USE_PERLIO) || defined(FFLUSH_NULL) 3511 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL) 3512 # else 3513 # ifdef FFLUSH_ALL 3514 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all() 3515 # else 3516 # define PERL_FLUSHALL_FOR_CHILD NOOP 3517 # endif 3518 # endif 3519 #endif 3520 3521 #ifndef PERL_WAIT_FOR_CHILDREN 3522 # define PERL_WAIT_FOR_CHILDREN NOOP 3523 #endif 3524 3525 /* the traditional thread-unsafe notion of "current interpreter". */ 3526 #ifndef PERL_SET_INTERP 3527 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i)) 3528 #endif 3529 3530 #ifndef PERL_GET_INTERP 3531 # define PERL_GET_INTERP (PL_curinterp) 3532 #endif 3533 3534 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX) 3535 # ifdef MULTIPLICITY 3536 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT) 3537 # endif 3538 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t) 3539 #endif 3540 3541 /* 3542 This replaces the previous %_ "hack" by the "%p" hacks. 3543 All that is required is that the perl source does not 3544 use "%-p" or "%-<number>p" or "%<number>p" formats. 3545 These formats will still work in perl code. 3546 See comments in sv.c for further details. 3547 3548 Robin Barker 2005-07-14 3549 3550 No longer use %1p for VDf = %vd. RMB 2007-10-19 3551 */ 3552 3553 #ifndef SVf_ 3554 # define SVf_(n) "-" STRINGIFY(n) "p" 3555 #endif 3556 3557 #ifndef SVf 3558 # define SVf "-p" 3559 #endif 3560 3561 #ifndef SVf32 3562 # define SVf32 SVf_(32) 3563 #endif 3564 3565 #ifndef SVf256 3566 # define SVf256 SVf_(256) 3567 #endif 3568 3569 #define SVfARG(p) ((void*)(p)) 3570 3571 #ifndef HEKf 3572 # define HEKf "2p" 3573 #endif 3574 3575 /* Not ideal, but we cannot easily include a number in an already-numeric 3576 * format sequence. */ 3577 #ifndef HEKf256 3578 # define HEKf256 "3p" 3579 #endif 3580 3581 #define HEKfARG(p) ((void*)(p)) 3582 3583 /* Takes three arguments: is_utf8, length, str */ 3584 #ifndef UTF8f 3585 # define UTF8f "d%" UVuf "%4p" 3586 #endif 3587 #define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p) 3588 3589 #define PNf UTF8f 3590 #define PNfARG(pn) (int)1, (UV)PadnameLEN(pn), (void *)PadnamePV(pn) 3591 3592 #ifdef PERL_CORE 3593 /* not used; but needed for backward compatibility with XS code? - RMB */ 3594 # undef UVf 3595 #else 3596 # ifndef UVf 3597 # define UVf UVuf 3598 # endif 3599 #endif 3600 3601 #ifdef HASATTRIBUTE_DEPRECATED 3602 # define __attribute__deprecated__ __attribute__((deprecated)) 3603 #endif 3604 #ifdef HASATTRIBUTE_FORMAT 3605 # define __attribute__format__(x,y,z) __attribute__((format(x,y,z))) 3606 #endif 3607 #ifdef HASATTRIBUTE_MALLOC 3608 # define __attribute__malloc__ __attribute__((__malloc__)) 3609 #endif 3610 #ifdef HASATTRIBUTE_NONNULL 3611 # define __attribute__nonnull__(a) __attribute__((nonnull(a))) 3612 #endif 3613 #ifdef HASATTRIBUTE_NORETURN 3614 # define __attribute__noreturn__ __attribute__((noreturn)) 3615 #endif 3616 #ifdef HASATTRIBUTE_PURE 3617 # define __attribute__pure__ __attribute__((pure)) 3618 #endif 3619 #ifdef HASATTRIBUTE_UNUSED 3620 # define __attribute__unused__ __attribute__((unused)) 3621 #endif 3622 #ifdef HASATTRIBUTE_WARN_UNUSED_RESULT 3623 # define __attribute__warn_unused_result__ __attribute__((warn_unused_result)) 3624 #endif 3625 3626 /* If we haven't defined the attributes yet, define them to blank. */ 3627 #ifndef __attribute__deprecated__ 3628 # define __attribute__deprecated__ 3629 #endif 3630 #ifndef __attribute__format__ 3631 # define __attribute__format__(x,y,z) 3632 #endif 3633 #ifndef __attribute__malloc__ 3634 # define __attribute__malloc__ 3635 #endif 3636 #ifndef __attribute__nonnull__ 3637 # define __attribute__nonnull__(a) 3638 #endif 3639 #ifndef __attribute__noreturn__ 3640 # define __attribute__noreturn__ 3641 #endif 3642 #ifndef __attribute__pure__ 3643 # define __attribute__pure__ 3644 #endif 3645 #ifndef __attribute__unused__ 3646 # define __attribute__unused__ 3647 #endif 3648 #ifndef __attribute__warn_unused_result__ 3649 # define __attribute__warn_unused_result__ 3650 #endif 3651 3652 #ifdef I_ASSERT 3653 # if !defined(DEBUGGING) && !defined(NDEBUG) 3654 # define NDEBUG 1 3655 # endif 3656 # include <assert.h> 3657 #endif 3658 3659 /* For functions that are marked as __attribute__noreturn__, it's not 3660 appropriate to call return. In either case, include the lint directive. 3661 */ 3662 #ifdef HASATTRIBUTE_NORETURN 3663 # define NORETURN_FUNCTION_END NOT_REACHED; 3664 #else 3665 # define NORETURN_FUNCTION_END NOT_REACHED; return 0 3666 #endif 3667 3668 /* Some OS warn on NULL format to printf */ 3669 #ifdef PRINTF_FORMAT_NULL_OK 3670 # define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z) 3671 #else 3672 # define __attribute__format__null_ok__(x,y,z) 3673 #endif 3674 3675 #ifdef HAS_BUILTIN_EXPECT 3676 # define EXPECT(expr,val) __builtin_expect(expr,val) 3677 #else 3678 # define EXPECT(expr,val) (expr) 3679 #endif 3680 #define LIKELY(cond) EXPECT(cBOOL(cond),TRUE) 3681 #define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE) 3682 #ifdef HAS_BUILTIN_CHOOSE_EXPR 3683 /* placeholder */ 3684 #endif 3685 3686 /* STATIC_ASSERT_GLOBAL/STATIC_ASSERT_STMT are like assert(), but for compile 3687 time invariants. That is, their argument must be a constant expression that 3688 can be verified by the compiler. This expression can contain anything that's 3689 known to the compiler, e.g. #define constants, enums, or sizeof (...). If 3690 the expression evaluates to 0, compilation fails. 3691 Because they generate no runtime code (i.e. their use is "free"), they're 3692 always active, even under non-DEBUGGING builds. 3693 STATIC_ASSERT_GLOBAL expands to a declaration and is suitable for use at 3694 file scope (outside of any function). 3695 STATIC_ASSERT_STMT expands to a statement and is suitable for use inside a 3696 function. 3697 */ 3698 #if (defined(static_assert) || (defined(__cplusplus) && __cplusplus >= 201103L)) && (!defined(__IBMC__) || __IBMC__ >= 1210) 3699 /* static_assert is a macro defined in <assert.h> in C11 or a compiler 3700 builtin in C++11. 3701 */ 3702 /* IBM XL C V11 does not support _Static_assert, no matter what <assert.h> says */ 3703 # define STATIC_ASSERT_GLOBAL(COND) static_assert(COND, #COND) 3704 #else 3705 /* We use a bit-field instead of an array because gcc accepts 3706 'typedef char x[n]' where n is not a compile-time constant. 3707 We want to enforce constantness. 3708 */ 3709 # define STATIC_ASSERT_2(COND, SUFFIX) \ 3710 typedef struct { \ 3711 unsigned int _static_assertion_failed_##SUFFIX : (COND) ? 1 : -1; \ 3712 } _static_assertion_failed_##SUFFIX PERL_UNUSED_DECL 3713 # define STATIC_ASSERT_1(COND, SUFFIX) STATIC_ASSERT_2(COND, SUFFIX) 3714 # define STATIC_ASSERT_GLOBAL(COND) STATIC_ASSERT_1(COND, __LINE__) 3715 #endif 3716 /* We need this wrapper even in C11 because 'case X: static_assert(...);' is an 3717 error (static_assert is a declaration, and only statements can have labels). 3718 */ 3719 #define STATIC_ASSERT_STMT(COND) do { STATIC_ASSERT_GLOBAL(COND); } while (0) 3720 3721 #ifndef __has_builtin 3722 # define __has_builtin(x) 0 /* not a clang style compiler */ 3723 #endif 3724 3725 /* ASSUME is like assert(), but it has a benefit in a release build. It is a 3726 hint to a compiler about a statement of fact in a function call free 3727 expression, which allows the compiler to generate better machine code. 3728 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means 3729 the control path is unreachable. In a for loop, ASSUME can be used to hint 3730 that a loop will run at least X times. ASSUME is based off MSVC's __assume 3731 intrinsic function, see its documents for more details. 3732 */ 3733 3734 #ifndef DEBUGGING 3735 # if __has_builtin(__builtin_unreachable) \ 3736 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4) /* 4.5 -> */ 3737 # define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable()) 3738 # elif defined(_MSC_VER) 3739 # define ASSUME(x) __assume(x) 3740 # elif defined(__ARMCC_VERSION) /* untested */ 3741 # define ASSUME(x) __promise(x) 3742 # else 3743 /* a random compiler might define assert to its own special optimization token 3744 so pass it through to C lib as a last resort */ 3745 # define ASSUME(x) assert(x) 3746 # endif 3747 #else 3748 # define ASSUME(x) assert(x) 3749 #endif 3750 3751 #define NOT_REACHED ASSUME(0) 3752 3753 /* Some unistd.h's give a prototype for pause() even though 3754 HAS_PAUSE ends up undefined. This causes the #define 3755 below to be rejected by the compiler. Sigh. 3756 */ 3757 #ifdef HAS_PAUSE 3758 #define Pause pause 3759 #else 3760 #define Pause() sleep((32767<<16)+32767) 3761 #endif 3762 3763 #ifndef IOCPARM_LEN 3764 # ifdef IOCPARM_MASK 3765 /* on BSDish systems we're safe */ 3766 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK) 3767 # else 3768 # if defined(_IOC_SIZE) && defined(__GLIBC__) 3769 /* on Linux systems we're safe; except when we're not [perl #38223] */ 3770 # define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x)) 3771 # else 3772 /* otherwise guess at what's safe */ 3773 # define IOCPARM_LEN(x) 256 3774 # endif 3775 # endif 3776 #endif 3777 3778 #if defined(__CYGWIN__) 3779 /* USEMYBINMODE 3780 * This symbol, if defined, indicates that the program should 3781 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure 3782 * that a file is in "binary" mode -- that is, that no translation 3783 * of bytes occurs on read or write operations. 3784 */ 3785 # define USEMYBINMODE /**/ 3786 # include <io.h> /* for setmode() prototype */ 3787 # define my_binmode(fp, iotype, mode) \ 3788 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE) 3789 #endif 3790 3791 #ifdef __CYGWIN__ 3792 void init_os_extras(void); 3793 #endif 3794 3795 #ifdef UNION_ANY_DEFINITION 3796 UNION_ANY_DEFINITION; 3797 #else 3798 union any { 3799 void* any_ptr; 3800 I32 any_i32; 3801 U32 any_u32; 3802 IV any_iv; 3803 UV any_uv; 3804 long any_long; 3805 bool any_bool; 3806 void (*any_dptr) (void*); 3807 void (*any_dxptr) (pTHX_ void*); 3808 }; 3809 #endif 3810 3811 typedef I32 (*filter_t) (pTHX_ int, SV *, int); 3812 3813 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len) 3814 #define FILTER_DATA(idx) \ 3815 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL) 3816 #define FILTER_ISREADER(idx) \ 3817 (PL_parser && PL_parser->rsfp_filters \ 3818 && idx >= AvFILLp(PL_parser->rsfp_filters)) 3819 #define PERL_FILTER_EXISTS(i) \ 3820 (PL_parser && PL_parser->rsfp_filters \ 3821 && (i) <= av_tindex(PL_parser->rsfp_filters)) 3822 3823 #if defined(_AIX) && !defined(_AIX43) 3824 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE) 3825 /* We cannot include <crypt.h> to get the struct crypt_data 3826 * because of setkey prototype problems when threading */ 3827 typedef struct crypt_data { /* straight from /usr/include/crypt.h */ 3828 /* From OSF, Not needed in AIX 3829 char C[28], D[28]; 3830 */ 3831 char E[48]; 3832 char KS[16][48]; 3833 char block[66]; 3834 char iobuf[16]; 3835 } CRYPTD; 3836 #endif /* threading */ 3837 #endif /* AIX */ 3838 3839 #ifndef PERL_CALLCONV 3840 # ifdef __cplusplus 3841 # define PERL_CALLCONV extern "C" 3842 # else 3843 # define PERL_CALLCONV 3844 # endif 3845 #endif 3846 #ifndef PERL_CALLCONV_NO_RET 3847 # define PERL_CALLCONV_NO_RET PERL_CALLCONV 3848 #endif 3849 3850 /* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that 3851 dont have a noreturn as a declaration specifier 3852 */ 3853 #ifndef PERL_STATIC_NO_RET 3854 # define PERL_STATIC_NO_RET STATIC 3855 #endif 3856 /* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on 3857 builds that dont have a noreturn as a declaration specifier 3858 */ 3859 #ifndef PERL_STATIC_INLINE_NO_RET 3860 # define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE 3861 #endif 3862 3863 #if !defined(OS2) 3864 # include "iperlsys.h" 3865 #endif 3866 3867 #ifdef __LIBCATAMOUNT__ 3868 #undef HAS_PASSWD /* unixish.h but not unixish enough. */ 3869 #undef HAS_GROUP 3870 #define FAKE_BIT_BUCKET 3871 #endif 3872 3873 /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0. 3874 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT* 3875 * defined by Configure, despite their names being similar to the 3876 * other defines like USE_ITHREADS. Configure in fact knows nothing 3877 * about the randomised hashes. Therefore to enable/disable the hash 3878 * randomisation defines use the Configure -Accflags=... instead. */ 3879 #if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT) 3880 # define USE_HASH_SEED 3881 #endif 3882 3883 /* Win32 defines a type 'WORD' in windef.h, and AmigaOS in exec/types.h. 3884 * This conflicts with the enumerator 'WORD' defined in perly.h. 3885 * The yytokentype enum is only a debugging aid, so it's not really needed. */ 3886 #if defined(WIN32) || defined(__amigaos4__) 3887 # define YYTOKENTYPE 3888 #endif 3889 #include "perly.h" 3890 3891 3892 /* macros to define bit-fields in structs. */ 3893 #ifndef PERL_BITFIELD8 3894 # define PERL_BITFIELD8 unsigned 3895 #endif 3896 #ifndef PERL_BITFIELD16 3897 # define PERL_BITFIELD16 unsigned 3898 #endif 3899 #ifndef PERL_BITFIELD32 3900 # define PERL_BITFIELD32 unsigned 3901 #endif 3902 3903 #include "sv.h" 3904 #include "regexp.h" 3905 #include "util.h" 3906 #include "form.h" 3907 #include "gv.h" 3908 #include "pad.h" 3909 #include "cv.h" 3910 #include "opnames.h" 3911 #include "op.h" 3912 #include "hv.h" 3913 #include "cop.h" 3914 #include "av.h" 3915 #include "mg.h" 3916 #include "scope.h" 3917 #include "warnings.h" 3918 #include "utf8.h" 3919 3920 /* these would be in doio.h if there was such a file */ 3921 #define my_stat() my_stat_flags(SV_GMAGIC) 3922 #define my_lstat() my_lstat_flags(SV_GMAGIC) 3923 3924 /* defined in sv.c, but also used in [ach]v.c */ 3925 #undef _XPV_HEAD 3926 #undef _XPVMG_HEAD 3927 #undef _XPVCV_COMMON 3928 3929 typedef struct _sublex_info SUBLEXINFO; 3930 struct _sublex_info { 3931 U8 super_state; /* lexer state to save */ 3932 U16 sub_inwhat; /* "lex_inwhat" to use */ 3933 OP *sub_op; /* "lex_op" to use */ 3934 SV *repl; /* replacement of s/// or y/// */ 3935 }; 3936 3937 #include "parser.h" 3938 3939 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */ 3940 3941 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C) 3942 3943 /* These have to be predeclared, as they are used in proto.h which is #included 3944 * before their definitions in regcomp.h. */ 3945 3946 struct scan_data_t; 3947 typedef struct regnode_charclass regnode_charclass; 3948 3949 struct regnode_charclass_class; 3950 3951 /* A hopefully less confusing name. The sub-classes are all Posix classes only 3952 * used under /l matching */ 3953 typedef struct regnode_charclass_class regnode_charclass_posixl; 3954 3955 typedef struct regnode_ssc regnode_ssc; 3956 typedef struct RExC_state_t RExC_state_t; 3957 struct _reg_trie_data; 3958 3959 #endif 3960 3961 struct ptr_tbl_ent { 3962 struct ptr_tbl_ent* next; 3963 const void* oldval; 3964 void* newval; 3965 }; 3966 3967 struct ptr_tbl { 3968 struct ptr_tbl_ent** tbl_ary; 3969 UV tbl_max; 3970 UV tbl_items; 3971 struct ptr_tbl_arena *tbl_arena; 3972 struct ptr_tbl_ent *tbl_arena_next; 3973 struct ptr_tbl_ent *tbl_arena_end; 3974 }; 3975 3976 #if defined(htonl) && !defined(HAS_HTONL) 3977 #define HAS_HTONL 3978 #endif 3979 #if defined(htons) && !defined(HAS_HTONS) 3980 #define HAS_HTONS 3981 #endif 3982 #if defined(ntohl) && !defined(HAS_NTOHL) 3983 #define HAS_NTOHL 3984 #endif 3985 #if defined(ntohs) && !defined(HAS_NTOHS) 3986 #define HAS_NTOHS 3987 #endif 3988 #ifndef HAS_HTONL 3989 #define HAS_HTONS 3990 #define HAS_HTONL 3991 #define HAS_NTOHS 3992 #define HAS_NTOHL 3993 # if (BYTEORDER & 0xffff) == 0x4321 3994 /* Big endian system, so ntohl, ntohs, htonl and htons do not need to 3995 re-order their values. However, to behave identically to the alternative 3996 implementations, they should truncate to the correct size. */ 3997 # define ntohl(x) ((x)&0xFFFFFFFF) 3998 # define htonl(x) ntohl(x) 3999 # define ntohs(x) ((x)&0xFFFF) 4000 # define htons(x) ntohs(x) 4001 # elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 4002 4003 /* Note that we can't straight out declare our own htonl and htons because 4004 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl, 4005 to avoid the overhead of initialising the socket subsystem, but the headers 4006 that *declare* the various functions are still seen. If we declare our own 4007 htonl etc they will clash with the declarations in the Win32 headers. */ 4008 4009 PERL_STATIC_INLINE U32 4010 my_swap32(const U32 x) { 4011 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF) 4012 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8); 4013 } 4014 4015 PERL_STATIC_INLINE U16 4016 my_swap16(const U16 x) { 4017 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF); 4018 } 4019 4020 # define htonl(x) my_swap32(x) 4021 # define ntohl(x) my_swap32(x) 4022 # define ntohs(x) my_swap16(x) 4023 # define htons(x) my_swap16(x) 4024 # else 4025 # error "Unsupported byteorder" 4026 /* The C pre-processor doesn't let us return the value of BYTEORDER as part of 4027 the error message. Please check the value of the macro BYTEORDER, as defined 4028 in config.h. The values of BYTEORDER we expect are 4029 4030 big endian little endian 4031 32 bit 0x4321 0x1234 4032 64 bit 0x87654321 0x12345678 4033 4034 If you have a system with a different byte order, please see 4035 pod/perlhack.pod for how to submit a patch to add supporting code. 4036 */ 4037 # endif 4038 #endif 4039 4040 /* 4041 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'. 4042 * -DWS 4043 */ 4044 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 4045 /* Little endian system, so vtohl, vtohs, htovl and htovs do not need to 4046 re-order their values. However, to behave identically to the alternative 4047 implementations, they should truncate to the correct size. */ 4048 # define vtohl(x) ((x)&0xFFFFFFFF) 4049 # define vtohs(x) ((x)&0xFFFF) 4050 # define htovl(x) vtohl(x) 4051 # define htovs(x) vtohs(x) 4052 #elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 4053 # define vtohl(x) ((((x)&0xFF)<<24) \ 4054 +(((x)>>24)&0xFF) \ 4055 +(((x)&0x0000FF00)<<8) \ 4056 +(((x)&0x00FF0000)>>8) ) 4057 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF)) 4058 # define htovl(x) vtohl(x) 4059 # define htovs(x) vtohs(x) 4060 #else 4061 # error "Unsupported byteorder" 4062 /* If you have need for current perl on PDP-11 or similar, and can help test 4063 that blead keeps working on a mixed-endian system, then see 4064 pod/perlhack.pod for how to submit patches to things working again. */ 4065 #endif 4066 4067 /* *MAX Plus 1. A floating point value. 4068 Hopefully expressed in a way that dodgy floating point can't mess up. 4069 >> 2 rather than 1, so that value is safely less than I32_MAX after 1 4070 is added to it 4071 May find that some broken compiler will want the value cast to I32. 4072 [after the shift, as signed >> may not be as secure as unsigned >>] 4073 */ 4074 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1))) 4075 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2))) 4076 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or 4077 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV) 4078 may be greater than sizeof(IV), so don't assume that half max UV is max IV. 4079 */ 4080 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2))) 4081 4082 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2))) 4083 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1))) 4084 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2))) 4085 4086 /* This may look like unnecessary jumping through hoops, but converting 4087 out of range floating point values to integers *is* undefined behaviour, 4088 and it is starting to bite. 4089 */ 4090 #ifndef CAST_INLINE 4091 #define I_32(what) (cast_i32((NV)(what))) 4092 #define U_32(what) (cast_ulong((NV)(what))) 4093 #define I_V(what) (cast_iv((NV)(what))) 4094 #define U_V(what) (cast_uv((NV)(what))) 4095 #else 4096 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \ 4097 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \ 4098 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */))) 4099 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \ 4100 : ((n) < U32_MAX_P1 ? (U32) (n) \ 4101 : ((n) > 0 ? U32_MAX : 0 /* NaN */))) 4102 #define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \ 4103 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \ 4104 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */))) 4105 #define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \ 4106 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \ 4107 : ((n) > 0 ? UV_MAX : 0 /* NaN */))) 4108 #endif 4109 4110 #define U_S(what) ((U16)U_32(what)) 4111 #define U_I(what) ((unsigned int)U_32(what)) 4112 #define U_L(what) U_32(what) 4113 4114 #ifdef HAS_SIGNBIT 4115 # define Perl_signbit signbit 4116 #endif 4117 4118 /* These do not care about the fractional part, only about the range. */ 4119 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX) 4120 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX) 4121 4122 /* Used with UV/IV arguments: */ 4123 /* XXXX: need to speed it up */ 4124 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv)) 4125 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv)) 4126 4127 #ifndef MAXSYSFD 4128 # define MAXSYSFD 2 4129 #endif 4130 4131 #ifndef __cplusplus 4132 #if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN)) 4133 Uid_t getuid (void); 4134 Uid_t geteuid (void); 4135 Gid_t getgid (void); 4136 Gid_t getegid (void); 4137 #endif 4138 #endif 4139 4140 #ifndef Perl_debug_log 4141 # define Perl_debug_log PerlIO_stderr() 4142 #endif 4143 4144 #ifndef Perl_error_log 4145 # define Perl_error_log (PL_stderrgv \ 4146 && isGV(PL_stderrgv) \ 4147 && GvIOp(PL_stderrgv) \ 4148 && IoOFP(GvIOp(PL_stderrgv)) \ 4149 ? IoOFP(GvIOp(PL_stderrgv)) \ 4150 : PerlIO_stderr()) 4151 #endif 4152 4153 4154 #define DEBUG_p_FLAG 0x00000001 /* 1 */ 4155 #define DEBUG_s_FLAG 0x00000002 /* 2 */ 4156 #define DEBUG_l_FLAG 0x00000004 /* 4 */ 4157 #define DEBUG_t_FLAG 0x00000008 /* 8 */ 4158 #define DEBUG_o_FLAG 0x00000010 /* 16 */ 4159 #define DEBUG_c_FLAG 0x00000020 /* 32 */ 4160 #define DEBUG_P_FLAG 0x00000040 /* 64 */ 4161 #define DEBUG_m_FLAG 0x00000080 /* 128 */ 4162 #define DEBUG_f_FLAG 0x00000100 /* 256 */ 4163 #define DEBUG_r_FLAG 0x00000200 /* 512 */ 4164 #define DEBUG_x_FLAG 0x00000400 /* 1024 */ 4165 #define DEBUG_u_FLAG 0x00000800 /* 2048 */ 4166 /* U is reserved for Unofficial, exploratory hacking */ 4167 #define DEBUG_U_FLAG 0x00001000 /* 4096 */ 4168 #define DEBUG_H_FLAG 0x00002000 /* 8192 */ 4169 #define DEBUG_X_FLAG 0x00004000 /* 16384 */ 4170 #define DEBUG_D_FLAG 0x00008000 /* 32768 */ 4171 #define DEBUG_S_FLAG 0x00010000 /* 65536 */ 4172 #define DEBUG_T_FLAG 0x00020000 /* 131072 */ 4173 #define DEBUG_R_FLAG 0x00040000 /* 262144 */ 4174 #define DEBUG_J_FLAG 0x00080000 /* 524288 */ 4175 #define DEBUG_v_FLAG 0x00100000 /*1048576 */ 4176 #define DEBUG_C_FLAG 0x00200000 /*2097152 */ 4177 #define DEBUG_A_FLAG 0x00400000 /*4194304 */ 4178 #define DEBUG_q_FLAG 0x00800000 /*8388608 */ 4179 #define DEBUG_M_FLAG 0x01000000 /*16777216*/ 4180 #define DEBUG_B_FLAG 0x02000000 /*33554432*/ 4181 #define DEBUG_L_FLAG 0x04000000 /*67108864*/ 4182 #define DEBUG_i_FLAG 0x08000000 /*134217728*/ 4183 #define DEBUG_MASK 0x0FFFEFFF /* mask of all the standard flags */ 4184 4185 #define DEBUG_DB_RECURSE_FLAG 0x40000000 4186 #define DEBUG_TOP_FLAG 0x80000000 /* -D was given --> PL_debug |= FLAG */ 4187 4188 # define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG) 4189 # define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG) 4190 # define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG) 4191 # define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG) 4192 # define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG) 4193 # define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG) 4194 # define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG) 4195 # define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG) 4196 # define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG) 4197 # define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG) 4198 # define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG) 4199 # define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG) 4200 # define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG) 4201 # define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG) 4202 # define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG) 4203 # define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG) 4204 # define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG) 4205 # define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG) 4206 # define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG) 4207 # define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG) 4208 # define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG) 4209 # define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG) 4210 # define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG) 4211 # define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG) 4212 # define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG) 4213 # define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG) 4214 # define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG) 4215 # define DEBUG_i_TEST_ (PL_debug & DEBUG_i_FLAG) 4216 # define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_) 4217 # define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_) 4218 # define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_) 4219 # define DEBUG_Lv_TEST_ (DEBUG_L_TEST_ && DEBUG_v_TEST_) 4220 4221 #ifdef DEBUGGING 4222 4223 # define DEBUG_p_TEST DEBUG_p_TEST_ 4224 # define DEBUG_s_TEST DEBUG_s_TEST_ 4225 # define DEBUG_l_TEST DEBUG_l_TEST_ 4226 # define DEBUG_t_TEST DEBUG_t_TEST_ 4227 # define DEBUG_o_TEST DEBUG_o_TEST_ 4228 # define DEBUG_c_TEST DEBUG_c_TEST_ 4229 # define DEBUG_P_TEST DEBUG_P_TEST_ 4230 # define DEBUG_m_TEST DEBUG_m_TEST_ 4231 # define DEBUG_f_TEST DEBUG_f_TEST_ 4232 # define DEBUG_r_TEST DEBUG_r_TEST_ 4233 # define DEBUG_x_TEST DEBUG_x_TEST_ 4234 # define DEBUG_u_TEST DEBUG_u_TEST_ 4235 # define DEBUG_U_TEST DEBUG_U_TEST_ 4236 # define DEBUG_H_TEST DEBUG_H_TEST_ 4237 # define DEBUG_X_TEST DEBUG_X_TEST_ 4238 # define DEBUG_D_TEST DEBUG_D_TEST_ 4239 # define DEBUG_S_TEST DEBUG_S_TEST_ 4240 # define DEBUG_T_TEST DEBUG_T_TEST_ 4241 # define DEBUG_R_TEST DEBUG_R_TEST_ 4242 # define DEBUG_J_TEST DEBUG_J_TEST_ 4243 # define DEBUG_v_TEST DEBUG_v_TEST_ 4244 # define DEBUG_C_TEST DEBUG_C_TEST_ 4245 # define DEBUG_A_TEST DEBUG_A_TEST_ 4246 # define DEBUG_q_TEST DEBUG_q_TEST_ 4247 # define DEBUG_M_TEST DEBUG_M_TEST_ 4248 # define DEBUG_B_TEST DEBUG_B_TEST_ 4249 # define DEBUG_L_TEST DEBUG_L_TEST_ 4250 # define DEBUG_i_TEST DEBUG_i_TEST_ 4251 # define DEBUG_Xv_TEST DEBUG_Xv_TEST_ 4252 # define DEBUG_Uv_TEST DEBUG_Uv_TEST_ 4253 # define DEBUG_Pv_TEST DEBUG_Pv_TEST_ 4254 # define DEBUG_Lv_TEST DEBUG_Lv_TEST_ 4255 4256 # define PERL_DEB(a) a 4257 # define PERL_DEB2(a,b) a 4258 # define PERL_DEBUG(a) if (PL_debug) a 4259 # define DEBUG_p(a) if (DEBUG_p_TEST) a 4260 # define DEBUG_s(a) if (DEBUG_s_TEST) a 4261 # define DEBUG_l(a) if (DEBUG_l_TEST) a 4262 # define DEBUG_t(a) if (DEBUG_t_TEST) a 4263 # define DEBUG_o(a) if (DEBUG_o_TEST) a 4264 # define DEBUG_c(a) if (DEBUG_c_TEST) a 4265 # define DEBUG_P(a) if (DEBUG_P_TEST) a 4266 4267 /* Temporarily turn off memory debugging in case the a 4268 * does memory allocation, either directly or indirectly. */ 4269 # define DEBUG_m(a) \ 4270 STMT_START { \ 4271 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \ 4272 } STMT_END 4273 4274 # define DEBUG__(t, a) \ 4275 STMT_START { \ 4276 if (t) STMT_START {a;} STMT_END; \ 4277 } STMT_END 4278 4279 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a) 4280 #ifndef PERL_EXT_RE_BUILD 4281 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a) 4282 #else 4283 # define DEBUG_r(a) STMT_START {a;} STMT_END 4284 #endif /* PERL_EXT_RE_BUILD */ 4285 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a) 4286 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a) 4287 # define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a) 4288 # define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a) 4289 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a) 4290 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a) 4291 # define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a) 4292 # define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a) 4293 # define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a) 4294 # define DEBUG_Lv(a) DEBUG__(DEBUG_Lv_TEST, a) 4295 4296 # define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a) 4297 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a) 4298 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a) 4299 # define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a) 4300 # define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a) 4301 # define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a) 4302 # define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a) 4303 # define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a) 4304 # define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a) 4305 # define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a) 4306 # define DEBUG_i(a) DEBUG__(DEBUG_i_TEST, a) 4307 4308 #else /* DEBUGGING */ 4309 4310 # define DEBUG_p_TEST (0) 4311 # define DEBUG_s_TEST (0) 4312 # define DEBUG_l_TEST (0) 4313 # define DEBUG_t_TEST (0) 4314 # define DEBUG_o_TEST (0) 4315 # define DEBUG_c_TEST (0) 4316 # define DEBUG_P_TEST (0) 4317 # define DEBUG_m_TEST (0) 4318 # define DEBUG_f_TEST (0) 4319 # define DEBUG_r_TEST (0) 4320 # define DEBUG_x_TEST (0) 4321 # define DEBUG_u_TEST (0) 4322 # define DEBUG_U_TEST (0) 4323 # define DEBUG_H_TEST (0) 4324 # define DEBUG_X_TEST (0) 4325 # define DEBUG_D_TEST (0) 4326 # define DEBUG_S_TEST (0) 4327 # define DEBUG_T_TEST (0) 4328 # define DEBUG_R_TEST (0) 4329 # define DEBUG_J_TEST (0) 4330 # define DEBUG_v_TEST (0) 4331 # define DEBUG_C_TEST (0) 4332 # define DEBUG_A_TEST (0) 4333 # define DEBUG_q_TEST (0) 4334 # define DEBUG_M_TEST (0) 4335 # define DEBUG_B_TEST (0) 4336 # define DEBUG_L_TEST (0) 4337 # define DEBUG_i_TEST (0) 4338 # define DEBUG_Xv_TEST (0) 4339 # define DEBUG_Uv_TEST (0) 4340 # define DEBUG_Pv_TEST (0) 4341 # define DEBUG_Lv_TEST (0) 4342 4343 # define PERL_DEB(a) 4344 # define PERL_DEB2(a,b) b 4345 # define PERL_DEBUG(a) 4346 # define DEBUG_p(a) 4347 # define DEBUG_s(a) 4348 # define DEBUG_l(a) 4349 # define DEBUG_t(a) 4350 # define DEBUG_o(a) 4351 # define DEBUG_c(a) 4352 # define DEBUG_P(a) 4353 # define DEBUG_m(a) 4354 # define DEBUG_f(a) 4355 # define DEBUG_r(a) 4356 # define DEBUG_x(a) 4357 # define DEBUG_u(a) 4358 # define DEBUG_U(a) 4359 # define DEBUG_H(a) 4360 # define DEBUG_X(a) 4361 # define DEBUG_D(a) 4362 # define DEBUG_S(a) 4363 # define DEBUG_T(a) 4364 # define DEBUG_R(a) 4365 # define DEBUG_v(a) 4366 # define DEBUG_C(a) 4367 # define DEBUG_A(a) 4368 # define DEBUG_q(a) 4369 # define DEBUG_M(a) 4370 # define DEBUG_B(a) 4371 # define DEBUG_L(a) 4372 # define DEBUG_i(a) 4373 # define DEBUG_Xv(a) 4374 # define DEBUG_Uv(a) 4375 # define DEBUG_Pv(a) 4376 # define DEBUG_Lv(a) 4377 #endif /* DEBUGGING */ 4378 4379 4380 #define DEBUG_SCOPE(where) \ 4381 DEBUG_l( \ 4382 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \ 4383 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \ 4384 __FILE__, __LINE__)); 4385 4386 /* Keep the old croak based assert for those who want it, and as a fallback if 4387 the platform is so heretically non-ANSI that it can't assert. */ 4388 4389 #define Perl_assert(what) PERL_DEB2( \ 4390 ((what) ? ((void) 0) : \ 4391 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \ 4392 "\", line %d", STRINGIFY(what), __LINE__), \ 4393 (void) 0)), ((void)0)) 4394 4395 /* assert() gets defined if DEBUGGING (and I_ASSERT). 4396 * If no DEBUGGING, the <assert.h> has not been included. */ 4397 #ifndef assert 4398 # define assert(what) Perl_assert(what) 4399 #endif 4400 #ifdef DEBUGGING 4401 # define assert_(what) assert(what), 4402 #else 4403 # define assert_(what) 4404 #endif 4405 4406 struct ufuncs { 4407 I32 (*uf_val)(pTHX_ IV, SV*); 4408 I32 (*uf_set)(pTHX_ IV, SV*); 4409 IV uf_index; 4410 }; 4411 4412 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context. 4413 * XS code wanting to be backward compatible can do something 4414 * like the following: 4415 4416 #ifndef PERL_MG_UFUNC 4417 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv) 4418 #endif 4419 4420 static PERL_MG_UFUNC(foo_get, index, val) 4421 { 4422 sv_setsv(val, ...); 4423 return TRUE; 4424 } 4425 4426 -- Doug MacEachern 4427 4428 */ 4429 4430 #ifndef PERL_MG_UFUNC 4431 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv) 4432 #endif 4433 4434 /* Fix these up for __STDC__ */ 4435 #ifndef DONT_DECLARE_STD 4436 char *mktemp (char*); 4437 #ifndef atof 4438 double atof (const char*); 4439 #endif 4440 #endif 4441 4442 #ifndef STANDARD_C 4443 /* All of these are in stdlib.h or time.h for ANSI C */ 4444 Time_t time(); 4445 struct tm *gmtime(), *localtime(); 4446 #if defined(OEMVS) 4447 char *(strchr)(), *(strrchr)(); 4448 char *(strcpy)(), *(strcat)(); 4449 #else 4450 char *strchr(), *strrchr(); 4451 char *strcpy(), *strcat(); 4452 #endif 4453 #endif /* ! STANDARD_C */ 4454 4455 4456 #ifdef I_MATH 4457 # include <math.h> 4458 # ifdef __VMS 4459 /* isfinite and others are here rather than in math.h as C99 stipulates */ 4460 # include <fp.h> 4461 # endif 4462 #else 4463 START_EXTERN_C 4464 double exp (double); 4465 double log (double); 4466 double log10 (double); 4467 double sqrt (double); 4468 double frexp (double,int*); 4469 double ldexp (double,int); 4470 double modf (double,double*); 4471 double sin (double); 4472 double cos (double); 4473 double atan2 (double,double); 4474 double pow (double,double); 4475 END_EXTERN_C 4476 #endif 4477 4478 #ifndef __cplusplus 4479 # if !defined(WIN32) && !defined(VMS) 4480 #ifndef crypt 4481 char *crypt (const char*, const char*); 4482 #endif 4483 # endif /* !WIN32 */ 4484 # ifndef DONT_DECLARE_STD 4485 # ifndef getenv 4486 char *getenv (const char*); 4487 # endif /* !getenv */ 4488 # if !defined(HAS_LSEEK_PROTO) && !defined(__hpux) 4489 # ifdef _FILE_OFFSET_BITS 4490 # if _FILE_OFFSET_BITS == 64 4491 Off_t lseek (int,Off_t,int); 4492 # endif 4493 # endif 4494 # endif 4495 # endif /* !DONT_DECLARE_STD */ 4496 # ifndef WIN32 4497 # ifndef getlogin 4498 char *getlogin (void); 4499 # endif 4500 # endif /* !WIN32 */ 4501 #endif /* !__cplusplus */ 4502 4503 /* Fixme on VMS. This needs to be a run-time, not build time options */ 4504 /* Also rename() is affected by this */ 4505 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */ 4506 #define UNLINK unlnk 4507 I32 unlnk (pTHX_ const char*); 4508 #else 4509 #define UNLINK PerlLIO_unlink 4510 #endif 4511 4512 /* some versions of glibc are missing the setresuid() proto */ 4513 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO) 4514 int setresuid(uid_t ruid, uid_t euid, uid_t suid); 4515 #endif 4516 /* some versions of glibc are missing the setresgid() proto */ 4517 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO) 4518 int setresgid(gid_t rgid, gid_t egid, gid_t sgid); 4519 #endif 4520 4521 #ifndef HAS_SETREUID 4522 # ifdef HAS_SETRESUID 4523 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1) 4524 # define HAS_SETREUID 4525 # endif 4526 #endif 4527 #ifndef HAS_SETREGID 4528 # ifdef HAS_SETRESGID 4529 # define setregid(r,e) setresgid(r,e,(Gid_t)-1) 4530 # define HAS_SETREGID 4531 # endif 4532 #endif 4533 4534 /* Sighandler_t defined in iperlsys.h */ 4535 4536 #ifdef HAS_SIGACTION 4537 typedef struct sigaction Sigsave_t; 4538 #else 4539 typedef Sighandler_t Sigsave_t; 4540 #endif 4541 4542 #define SCAN_DEF 0 4543 #define SCAN_TR 1 4544 #define SCAN_REPL 2 4545 4546 #ifdef DEBUGGING 4547 # ifndef register 4548 # define register 4549 # endif 4550 # define RUNOPS_DEFAULT Perl_runops_debug 4551 #else 4552 # define RUNOPS_DEFAULT Perl_runops_standard 4553 #endif 4554 4555 #if defined(USE_PERLIO) 4556 EXTERN_C void PerlIO_teardown(void); 4557 # ifdef USE_ITHREADS 4558 # define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex) 4559 # define PERLIO_TERM \ 4560 STMT_START { \ 4561 PerlIO_teardown(); \ 4562 MUTEX_DESTROY(&PL_perlio_mutex);\ 4563 } STMT_END 4564 # else 4565 # define PERLIO_INIT 4566 # define PERLIO_TERM PerlIO_teardown() 4567 # endif 4568 #else 4569 # define PERLIO_INIT 4570 # define PERLIO_TERM 4571 #endif 4572 4573 #ifdef MYMALLOC 4574 # ifdef MUTEX_INIT_CALLS_MALLOC 4575 # define MALLOC_INIT \ 4576 STMT_START { \ 4577 PL_malloc_mutex = NULL; \ 4578 MUTEX_INIT(&PL_malloc_mutex); \ 4579 } STMT_END 4580 # define MALLOC_TERM \ 4581 STMT_START { \ 4582 perl_mutex tmp = PL_malloc_mutex; \ 4583 PL_malloc_mutex = NULL; \ 4584 MUTEX_DESTROY(&tmp); \ 4585 } STMT_END 4586 # else 4587 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex) 4588 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex) 4589 # endif 4590 #else 4591 # define MALLOC_INIT 4592 # define MALLOC_TERM 4593 #endif 4594 4595 #if defined(PERL_IMPLICIT_CONTEXT) 4596 4597 struct perl_memory_debug_header; 4598 struct perl_memory_debug_header { 4599 tTHX interpreter; 4600 # if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW) 4601 MEM_SIZE size; 4602 # endif 4603 struct perl_memory_debug_header *prev; 4604 struct perl_memory_debug_header *next; 4605 # ifdef PERL_DEBUG_READONLY_COW 4606 bool readonly; 4607 # endif 4608 }; 4609 4610 #elif defined(PERL_DEBUG_READONLY_COW) 4611 4612 struct perl_memory_debug_header; 4613 struct perl_memory_debug_header { 4614 MEM_SIZE size; 4615 }; 4616 4617 #endif 4618 4619 #if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW) 4620 4621 # define PERL_MEMORY_DEBUG_HEADER_SIZE \ 4622 (sizeof(struct perl_memory_debug_header) + \ 4623 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \ 4624 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES) 4625 4626 #else 4627 # define PERL_MEMORY_DEBUG_HEADER_SIZE 0 4628 #endif 4629 4630 #ifdef PERL_TRACK_MEMPOOL 4631 # ifdef PERL_DEBUG_READONLY_COW 4632 # define INIT_TRACK_MEMPOOL(header, interp) \ 4633 STMT_START { \ 4634 (header).interpreter = (interp); \ 4635 (header).prev = (header).next = &(header); \ 4636 (header).readonly = 0; \ 4637 } STMT_END 4638 # else 4639 # define INIT_TRACK_MEMPOOL(header, interp) \ 4640 STMT_START { \ 4641 (header).interpreter = (interp); \ 4642 (header).prev = (header).next = &(header); \ 4643 } STMT_END 4644 # endif 4645 # else 4646 # define INIT_TRACK_MEMPOOL(header, interp) 4647 #endif 4648 4649 #ifdef I_MALLOCMALLOC 4650 /* Needed for malloc_size(), malloc_good_size() on some systems */ 4651 # include <malloc/malloc.h> 4652 #endif 4653 4654 #ifdef MYMALLOC 4655 # define Perl_safesysmalloc_size(where) Perl_malloced_size(where) 4656 #else 4657 # if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW) 4658 # ifdef PERL_TRACK_MEMPOOL 4659 # define Perl_safesysmalloc_size(where) \ 4660 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE) 4661 # else 4662 # define Perl_safesysmalloc_size(where) malloc_size(where) 4663 # endif 4664 # endif 4665 # ifdef HAS_MALLOC_GOOD_SIZE 4666 # ifdef PERL_TRACK_MEMPOOL 4667 # define Perl_malloc_good_size(how_much) \ 4668 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE) 4669 # else 4670 # define Perl_malloc_good_size(how_much) malloc_good_size(how_much) 4671 # endif 4672 # else 4673 /* Having this as the identity operation makes some code simpler. */ 4674 # define Perl_malloc_good_size(how_much) (how_much) 4675 # endif 4676 #endif 4677 4678 typedef int (*runops_proc_t)(pTHX); 4679 typedef void (*share_proc_t) (pTHX_ SV *sv); 4680 typedef int (*thrhook_proc_t) (pTHX); 4681 typedef OP* (*PPADDR_t[]) (pTHX); 4682 typedef bool (*destroyable_proc_t) (pTHX_ SV *sv); 4683 typedef void (*despatch_signals_proc_t) (pTHX); 4684 4685 #if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE) 4686 # include <crt_externs.h> /* for the env array */ 4687 # define environ (*_NSGetEnviron()) 4688 #else 4689 /* VMS and some other platforms don't use the environ array */ 4690 # ifdef USE_ENVIRON_ARRAY 4691 # if !defined(DONT_DECLARE_STD) || \ 4692 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \ 4693 defined(__sgi) 4694 extern char ** environ; /* environment variables supplied via exec */ 4695 # endif 4696 # endif 4697 #endif 4698 4699 #define PERL_PATCHLEVEL_H_IMPLICIT 4700 #include "patchlevel.h" 4701 #undef PERL_PATCHLEVEL_H_IMPLICIT 4702 4703 #define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \ 4704 STRINGIFY(PERL_VERSION) "." \ 4705 STRINGIFY(PERL_SUBVERSION) 4706 4707 #define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \ 4708 STRINGIFY(PERL_API_VERSION) "." \ 4709 STRINGIFY(PERL_API_SUBVERSION) 4710 4711 START_EXTERN_C 4712 4713 /* handy constants */ 4714 EXTCONST char PL_warn_uninit[] 4715 INIT("Use of uninitialized value%s%s%s"); 4716 EXTCONST char PL_warn_uninit_sv[] 4717 INIT("Use of uninitialized value%" SVf "%s%s"); 4718 EXTCONST char PL_warn_nosemi[] 4719 INIT("Semicolon seems to be missing"); 4720 EXTCONST char PL_warn_reserved[] 4721 INIT("Unquoted string \"%s\" may clash with future reserved word"); 4722 EXTCONST char PL_warn_nl[] 4723 INIT("Unsuccessful %s on filename containing newline"); 4724 EXTCONST char PL_no_wrongref[] 4725 INIT("Can't use %s ref as %s ref"); 4726 /* The core no longer needs this here. If you require the string constant, 4727 please inline a copy into your own code. */ 4728 EXTCONST char PL_no_symref[] __attribute__deprecated__ 4729 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use"); 4730 EXTCONST char PL_no_symref_sv[] 4731 INIT("Can't use string (\"%" SVf32 "\"%s) as %s ref while \"strict refs\" in use"); 4732 4733 EXTCONST char PL_no_usym[] 4734 INIT("Can't use an undefined value as %s reference"); 4735 EXTCONST char PL_no_aelem[] 4736 INIT("Modification of non-creatable array value attempted, subscript %d"); 4737 EXTCONST char PL_no_helem_sv[] 4738 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\""); 4739 EXTCONST char PL_no_modify[] 4740 INIT("Modification of a read-only value attempted"); 4741 EXTCONST char PL_no_mem[sizeof("Out of memory!\n")] 4742 INIT("Out of memory!\n"); 4743 EXTCONST char PL_no_security[] 4744 INIT("Insecure dependency in %s%s"); 4745 EXTCONST char PL_no_sock_func[] 4746 INIT("Unsupported socket function \"%s\" called"); 4747 EXTCONST char PL_no_dir_func[] 4748 INIT("Unsupported directory function \"%s\" called"); 4749 EXTCONST char PL_no_func[] 4750 INIT("The %s function is unimplemented"); 4751 EXTCONST char PL_no_myglob[] 4752 INIT("\"%s\" %se %s can't be in a package"); 4753 EXTCONST char PL_no_localize_ref[] 4754 INIT("Can't localize through a reference"); 4755 EXTCONST char PL_memory_wrap[] 4756 INIT("panic: memory wrap"); 4757 4758 EXTCONST char PL_Yes[] 4759 INIT("1"); 4760 EXTCONST char PL_No[] 4761 INIT(""); 4762 EXTCONST char PL_hexdigit[] 4763 INIT("0123456789abcdef0123456789ABCDEF"); 4764 4765 /* This is constant on most architectures, a global on OS/2 */ 4766 #ifndef OS2 4767 EXTCONST char PL_sh_path[] 4768 INIT(SH_PATH); /* full path of shell */ 4769 #endif 4770 4771 #ifdef CSH 4772 EXTCONST char PL_cshname[] 4773 INIT(CSH); 4774 # define PL_cshlen (sizeof(CSH "") - 1) 4775 #endif 4776 4777 /* These are baked at compile time into any shared perl library. 4778 In future releases this will allow us in main() to sanity test the 4779 library we're linking against. */ 4780 4781 EXTCONST U8 PL_revision 4782 INIT(PERL_REVISION); 4783 EXTCONST U8 PL_version 4784 INIT(PERL_VERSION); 4785 EXTCONST U8 PL_subversion 4786 INIT(PERL_SUBVERSION); 4787 4788 EXTCONST char PL_uuemap[65] 4789 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"); 4790 4791 #ifdef DOINIT 4792 EXTCONST char PL_uudmap[256] = 4793 # ifdef PERL_MICRO 4794 # include "uuudmap.h" 4795 # else 4796 # include "uudmap.h" 4797 # endif 4798 ; 4799 EXTCONST char PL_bitcount[256] = 4800 # ifdef PERL_MICRO 4801 # include "ubitcount.h" 4802 #else 4803 # include "bitcount.h" 4804 # endif 4805 ; 4806 EXTCONST char* const PL_sig_name[] = { SIG_NAME }; 4807 EXTCONST int PL_sig_num[] = { SIG_NUM }; 4808 #else 4809 EXTCONST char PL_uudmap[256]; 4810 EXTCONST char PL_bitcount[256]; 4811 EXTCONST char* const PL_sig_name[]; 4812 EXTCONST int PL_sig_num[]; 4813 #endif 4814 4815 /* fast conversion and case folding tables. The folding tables complement the 4816 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated 4817 * folds such as outside the range or to multiple characters. */ 4818 4819 #ifdef DOINIT 4820 #ifndef EBCDIC 4821 4822 /* The EBCDIC fold table depends on the code page, and hence is found in 4823 * utfebcdic.h */ 4824 4825 EXTCONST unsigned char PL_fold[] = { 4826 0, 1, 2, 3, 4, 5, 6, 7, 4827 8, 9, 10, 11, 12, 13, 14, 15, 4828 16, 17, 18, 19, 20, 21, 22, 23, 4829 24, 25, 26, 27, 28, 29, 30, 31, 4830 32, 33, 34, 35, 36, 37, 38, 39, 4831 40, 41, 42, 43, 44, 45, 46, 47, 4832 48, 49, 50, 51, 52, 53, 54, 55, 4833 56, 57, 58, 59, 60, 61, 62, 63, 4834 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 4835 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 4836 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 4837 'x', 'y', 'z', 91, 92, 93, 94, 95, 4838 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 4839 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 4840 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 4841 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 4842 128, 129, 130, 131, 132, 133, 134, 135, 4843 136, 137, 138, 139, 140, 141, 142, 143, 4844 144, 145, 146, 147, 148, 149, 150, 151, 4845 152, 153, 154, 155, 156, 157, 158, 159, 4846 160, 161, 162, 163, 164, 165, 166, 167, 4847 168, 169, 170, 171, 172, 173, 174, 175, 4848 176, 177, 178, 179, 180, 181, 182, 183, 4849 184, 185, 186, 187, 188, 189, 190, 191, 4850 192, 193, 194, 195, 196, 197, 198, 199, 4851 200, 201, 202, 203, 204, 205, 206, 207, 4852 208, 209, 210, 211, 212, 213, 214, 215, 4853 216, 217, 218, 219, 220, 221, 222, 223, 4854 224, 225, 226, 227, 228, 229, 230, 231, 4855 232, 233, 234, 235, 236, 237, 238, 239, 4856 240, 241, 242, 243, 244, 245, 246, 247, 4857 248, 249, 250, 251, 252, 253, 254, 255 4858 }; 4859 EXTCONST unsigned char PL_fold_latin1[] = { 4860 /* Full latin1 complement folding, except for three problematic code points: 4861 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their 4862 * fold complements outside the Latin1 range, so can't match something 4863 * that isn't in utf8. 4864 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss', 4865 * not one, so can't be represented in this table. 4866 * 4867 * All have to be specially handled */ 4868 0, 1, 2, 3, 4, 5, 6, 7, 4869 8, 9, 10, 11, 12, 13, 14, 15, 4870 16, 17, 18, 19, 20, 21, 22, 23, 4871 24, 25, 26, 27, 28, 29, 30, 31, 4872 32, 33, 34, 35, 36, 37, 38, 39, 4873 40, 41, 42, 43, 44, 45, 46, 47, 4874 48, 49, 50, 51, 52, 53, 54, 55, 4875 56, 57, 58, 59, 60, 61, 62, 63, 4876 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 4877 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 4878 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 4879 'x', 'y', 'z', 91, 92, 93, 94, 95, 4880 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 4881 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 4882 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 4883 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 4884 128, 129, 130, 131, 132, 133, 134, 135, 4885 136, 137, 138, 139, 140, 141, 142, 143, 4886 144, 145, 146, 147, 148, 149, 150, 151, 4887 152, 153, 154, 155, 156, 157, 158, 159, 4888 160, 161, 162, 163, 164, 165, 166, 167, 4889 168, 169, 170, 171, 172, 173, 174, 175, 4890 176, 177, 178, 179, 180, 181 /*micro */, 182, 183, 4891 184, 185, 186, 187, 188, 189, 190, 191, 4892 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32, 4893 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32, 4894 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215, 4895 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */, 4896 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32, 4897 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32, 4898 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247, 4899 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 4900 255 /* y with diaeresis */ 4901 }; 4902 4903 /* If these tables are accessed through ebcdic, the access will be converted to 4904 * latin1 first */ 4905 EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */ 4906 0, 1, 2, 3, 4, 5, 6, 7, 4907 8, 9, 10, 11, 12, 13, 14, 15, 4908 16, 17, 18, 19, 20, 21, 22, 23, 4909 24, 25, 26, 27, 28, 29, 30, 31, 4910 32, 33, 34, 35, 36, 37, 38, 39, 4911 40, 41, 42, 43, 44, 45, 46, 47, 4912 48, 49, 50, 51, 52, 53, 54, 55, 4913 56, 57, 58, 59, 60, 61, 62, 63, 4914 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 4915 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 4916 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 4917 'x', 'y', 'z', 91, 92, 93, 94, 95, 4918 96, 97, 98, 99, 100, 101, 102, 103, 4919 104, 105, 106, 107, 108, 109, 110, 111, 4920 112, 113, 114, 115, 116, 117, 118, 119, 4921 120, 121, 122, 123, 124, 125, 126, 127, 4922 128, 129, 130, 131, 132, 133, 134, 135, 4923 136, 137, 138, 139, 140, 141, 142, 143, 4924 144, 145, 146, 147, 148, 149, 150, 151, 4925 152, 153, 154, 155, 156, 157, 158, 159, 4926 160, 161, 162, 163, 164, 165, 166, 167, 4927 168, 169, 170, 171, 172, 173, 174, 175, 4928 176, 177, 178, 179, 180, 181, 182, 183, 4929 184, 185, 186, 187, 188, 189, 190, 191, 4930 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32, 4931 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32, 4932 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215, 4933 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223, 4934 224, 225, 226, 227, 228, 229, 230, 231, 4935 232, 233, 234, 235, 236, 237, 238, 239, 4936 240, 241, 242, 243, 244, 245, 246, 247, 4937 248, 249, 250, 251, 252, 253, 254, 255 4938 }; 4939 4940 /* upper and title case of latin1 characters, modified so that the three tricky 4941 * ones are mapped to 255 (which is one of the three) */ 4942 EXTCONST unsigned char PL_mod_latin1_uc[] = { 4943 0, 1, 2, 3, 4, 5, 6, 7, 4944 8, 9, 10, 11, 12, 13, 14, 15, 4945 16, 17, 18, 19, 20, 21, 22, 23, 4946 24, 25, 26, 27, 28, 29, 30, 31, 4947 32, 33, 34, 35, 36, 37, 38, 39, 4948 40, 41, 42, 43, 44, 45, 46, 47, 4949 48, 49, 50, 51, 52, 53, 54, 55, 4950 56, 57, 58, 59, 60, 61, 62, 63, 4951 64, 65, 66, 67, 68, 69, 70, 71, 4952 72, 73, 74, 75, 76, 77, 78, 79, 4953 80, 81, 82, 83, 84, 85, 86, 87, 4954 88, 89, 90, 91, 92, 93, 94, 95, 4955 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 4956 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 4957 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 4958 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 4959 128, 129, 130, 131, 132, 133, 134, 135, 4960 136, 137, 138, 139, 140, 141, 142, 143, 4961 144, 145, 146, 147, 148, 149, 150, 151, 4962 152, 153, 154, 155, 156, 157, 158, 159, 4963 160, 161, 162, 163, 164, 165, 166, 167, 4964 168, 169, 170, 171, 172, 173, 174, 175, 4965 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183, 4966 184, 185, 186, 187, 188, 189, 190, 191, 4967 192, 193, 194, 195, 196, 197, 198, 199, 4968 200, 201, 202, 203, 204, 205, 206, 207, 4969 208, 209, 210, 211, 212, 213, 214, 215, 4970 216, 217, 218, 219, 220, 221, 222, 4971 #if UNICODE_MAJOR_VERSION > 2 \ 4972 || (UNICODE_MAJOR_VERSION == 2 && UNICODE_DOT_VERSION >= 1 \ 4973 && UNICODE_DOT_DOT_VERSION >= 8) 4974 255 /*sharp s*/, 4975 #else /* uc() is itself in early unicode */ 4976 223, 4977 #endif 4978 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32, 4979 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32, 4980 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247, 4981 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255 4982 }; 4983 #endif /* !EBCDIC, but still in DOINIT */ 4984 #else /* ! DOINIT */ 4985 # ifndef EBCDIC 4986 EXTCONST unsigned char PL_fold[]; 4987 EXTCONST unsigned char PL_fold_latin1[]; 4988 EXTCONST unsigned char PL_mod_latin1_uc[]; 4989 EXTCONST unsigned char PL_latin1_lc[]; 4990 # endif 4991 #endif 4992 4993 #ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */ 4994 #ifdef DOINIT 4995 EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */ 4996 0, 1, 2, 3, 4, 5, 6, 7, 4997 8, 9, 10, 11, 12, 13, 14, 15, 4998 16, 17, 18, 19, 20, 21, 22, 23, 4999 24, 25, 26, 27, 28, 29, 30, 31, 5000 32, 33, 34, 35, 36, 37, 38, 39, 5001 40, 41, 42, 43, 44, 45, 46, 47, 5002 48, 49, 50, 51, 52, 53, 54, 55, 5003 56, 57, 58, 59, 60, 61, 62, 63, 5004 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 5005 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 5006 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 5007 'x', 'y', 'z', 91, 92, 93, 94, 95, 5008 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 5009 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 5010 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 5011 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 5012 128, 129, 130, 131, 132, 133, 134, 135, 5013 136, 137, 138, 139, 140, 141, 142, 143, 5014 144, 145, 146, 147, 148, 149, 150, 151, 5015 152, 153, 154, 155, 156, 157, 158, 159, 5016 160, 161, 162, 163, 164, 165, 166, 167, 5017 168, 169, 170, 171, 172, 173, 174, 175, 5018 176, 177, 178, 179, 180, 181, 182, 183, 5019 184, 185, 186, 187, 188, 189, 190, 191, 5020 192, 193, 194, 195, 196, 197, 198, 199, 5021 200, 201, 202, 203, 204, 205, 206, 207, 5022 208, 209, 210, 211, 212, 213, 214, 215, 5023 216, 217, 218, 219, 220, 221, 222, 223, 5024 224, 225, 226, 227, 228, 229, 230, 231, 5025 232, 233, 234, 235, 236, 237, 238, 239, 5026 240, 241, 242, 243, 244, 245, 246, 247, 5027 248, 249, 250, 251, 252, 253, 254, 255 5028 }; 5029 #else 5030 EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */ 5031 #endif 5032 #endif /* !PERL_GLOBAL_STRUCT */ 5033 5034 #ifdef DOINIT 5035 #ifdef EBCDIC 5036 EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */ 5037 1, 2, 84, 151, 154, 155, 156, 157, 5038 165, 246, 250, 3, 158, 7, 18, 29, 5039 40, 51, 62, 73, 85, 96, 107, 118, 5040 129, 140, 147, 148, 149, 150, 152, 153, 5041 255, 6, 8, 9, 10, 11, 12, 13, 5042 14, 15, 24, 25, 26, 27, 28, 226, 5043 29, 30, 31, 32, 33, 43, 44, 45, 5044 46, 47, 48, 49, 50, 76, 77, 78, 5045 79, 80, 81, 82, 83, 84, 85, 86, 5046 87, 94, 95, 234, 181, 233, 187, 190, 5047 180, 96, 97, 98, 99, 100, 101, 102, 5048 104, 112, 182, 174, 236, 232, 229, 103, 5049 228, 226, 114, 115, 116, 117, 118, 119, 5050 120, 121, 122, 235, 176, 230, 194, 162, 5051 130, 131, 132, 133, 134, 135, 136, 137, 5052 138, 139, 201, 205, 163, 217, 220, 224, 5053 5, 248, 227, 244, 242, 255, 241, 231, 5054 240, 253, 16, 197, 19, 20, 21, 187, 5055 23, 169, 210, 245, 237, 249, 247, 239, 5056 168, 252, 34, 196, 36, 37, 38, 39, 5057 41, 42, 251, 254, 238, 223, 221, 213, 5058 225, 177, 52, 53, 54, 55, 56, 57, 5059 58, 59, 60, 61, 63, 64, 65, 66, 5060 67, 68, 69, 70, 71, 72, 74, 75, 5061 205, 208, 186, 202, 200, 218, 198, 179, 5062 178, 214, 88, 89, 90, 91, 92, 93, 5063 217, 166, 170, 207, 199, 209, 206, 204, 5064 160, 212, 105, 106, 108, 109, 110, 111, 5065 203, 113, 216, 215, 192, 175, 193, 243, 5066 172, 161, 123, 124, 125, 126, 127, 128, 5067 222, 219, 211, 195, 188, 193, 185, 184, 5068 191, 183, 141, 142, 143, 144, 145, 146 5069 }; 5070 #else /* ascii rather than ebcdic */ 5071 EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */ 5072 1, 2, 84, 151, 154, 155, 156, 157, 5073 165, 246, 250, 3, 158, 7, 18, 29, 5074 40, 51, 62, 73, 85, 96, 107, 118, 5075 129, 140, 147, 148, 149, 150, 152, 153, 5076 255, 182, 224, 205, 174, 176, 180, 217, 5077 233, 232, 236, 187, 235, 228, 234, 226, 5078 222, 219, 211, 195, 188, 193, 185, 184, 5079 191, 183, 201, 229, 181, 220, 194, 162, 5080 163, 208, 186, 202, 200, 218, 198, 179, 5081 178, 214, 166, 170, 207, 199, 209, 206, 5082 204, 160, 212, 216, 215, 192, 175, 173, 5083 243, 172, 161, 190, 203, 189, 164, 230, 5084 167, 248, 227, 244, 242, 255, 241, 231, 5085 240, 253, 169, 210, 245, 237, 249, 247, 5086 239, 168, 252, 251, 254, 238, 223, 221, 5087 213, 225, 177, 197, 171, 196, 159, 4, 5088 5, 6, 8, 9, 10, 11, 12, 13, 5089 14, 15, 16, 17, 19, 20, 21, 22, 5090 23, 24, 25, 26, 27, 28, 30, 31, 5091 32, 33, 34, 35, 36, 37, 38, 39, 5092 41, 42, 43, 44, 45, 46, 47, 48, 5093 49, 50, 52, 53, 54, 55, 56, 57, 5094 58, 59, 60, 61, 63, 64, 65, 66, 5095 67, 68, 69, 70, 71, 72, 74, 75, 5096 76, 77, 78, 79, 80, 81, 82, 83, 5097 86, 87, 88, 89, 90, 91, 92, 93, 5098 94, 95, 97, 98, 99, 100, 101, 102, 5099 103, 104, 105, 106, 108, 109, 110, 111, 5100 112, 113, 114, 115, 116, 117, 119, 120, 5101 121, 122, 123, 124, 125, 126, 127, 128, 5102 130, 131, 132, 133, 134, 135, 136, 137, 5103 138, 139, 141, 142, 143, 144, 145, 146 5104 }; 5105 #endif 5106 #else 5107 EXTCONST unsigned char PL_freq[]; 5108 #endif 5109 5110 /* Although only used for debugging, these constants must be available in 5111 * non-debugging builds too, since they're used in ext/re/re_exec.c, 5112 * which has DEBUGGING enabled always */ 5113 #ifdef DOINIT 5114 EXTCONST char* const PL_block_type[] = { 5115 "NULL", 5116 "WHEN", 5117 "BLOCK", 5118 "GIVEN", 5119 "LOOP_ARY", 5120 "LOOP_LAZYSV", 5121 "LOOP_LAZYIV", 5122 "LOOP_LIST", 5123 "LOOP_PLAIN", 5124 "SUB", 5125 "FORMAT", 5126 "EVAL", 5127 "SUBST" 5128 }; 5129 #else 5130 EXTCONST char* PL_block_type[]; 5131 #endif 5132 5133 /* These are all the compile time options that affect binary compatibility. 5134 Other compile time options that are binary compatible are in perl.c 5135 Both are combined for the output of perl -V 5136 However, this string will be embedded in any shared perl library, which will 5137 allow us add a comparison check in perlmain.c in the near future. */ 5138 #ifdef DOINIT 5139 EXTCONST char PL_bincompat_options[] = 5140 # ifdef DEBUG_LEAKING_SCALARS 5141 " DEBUG_LEAKING_SCALARS" 5142 # endif 5143 # ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP 5144 " DEBUG_LEAKING_SCALARS_FORK_DUMP" 5145 # endif 5146 # ifdef FCRYPT 5147 " FCRYPT" 5148 # endif 5149 # ifdef HAS_TIMES 5150 " HAS_TIMES" 5151 # endif 5152 # ifdef HAVE_INTERP_INTERN 5153 " HAVE_INTERP_INTERN" 5154 # endif 5155 # ifdef MULTIPLICITY 5156 " MULTIPLICITY" 5157 # endif 5158 # ifdef MYMALLOC 5159 " MYMALLOC" 5160 # endif 5161 # ifdef PERLIO_LAYERS 5162 " PERLIO_LAYERS" 5163 # endif 5164 # ifdef PERL_DEBUG_READONLY_COW 5165 " PERL_DEBUG_READONLY_COW" 5166 # endif 5167 # ifdef PERL_DEBUG_READONLY_OPS 5168 " PERL_DEBUG_READONLY_OPS" 5169 # endif 5170 # ifdef PERL_GLOBAL_STRUCT 5171 " PERL_GLOBAL_STRUCT" 5172 # endif 5173 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 5174 " PERL_GLOBAL_STRUCT_PRIVATE" 5175 # endif 5176 # ifdef PERL_IMPLICIT_CONTEXT 5177 " PERL_IMPLICIT_CONTEXT" 5178 # endif 5179 # ifdef PERL_IMPLICIT_SYS 5180 " PERL_IMPLICIT_SYS" 5181 # endif 5182 # ifdef PERL_MICRO 5183 " PERL_MICRO" 5184 # endif 5185 # ifdef PERL_NEED_APPCTX 5186 " PERL_NEED_APPCTX" 5187 # endif 5188 # ifdef PERL_NEED_TIMESBASE 5189 " PERL_NEED_TIMESBASE" 5190 # endif 5191 # ifdef PERL_POISON 5192 " PERL_POISON" 5193 # endif 5194 # ifdef PERL_SAWAMPERSAND 5195 " PERL_SAWAMPERSAND" 5196 # endif 5197 # ifdef PERL_TRACK_MEMPOOL 5198 " PERL_TRACK_MEMPOOL" 5199 # endif 5200 # ifdef PERL_USES_PL_PIDSTATUS 5201 " PERL_USES_PL_PIDSTATUS" 5202 # endif 5203 # ifdef USE_64_BIT_ALL 5204 " USE_64_BIT_ALL" 5205 # endif 5206 # ifdef USE_64_BIT_INT 5207 " USE_64_BIT_INT" 5208 # endif 5209 # ifdef USE_IEEE 5210 " USE_IEEE" 5211 # endif 5212 # ifdef USE_ITHREADS 5213 " USE_ITHREADS" 5214 # endif 5215 # ifdef USE_LARGE_FILES 5216 " USE_LARGE_FILES" 5217 # endif 5218 # ifdef USE_LOCALE_COLLATE 5219 " USE_LOCALE_COLLATE" 5220 # endif 5221 # ifdef USE_LOCALE_NUMERIC 5222 " USE_LOCALE_NUMERIC" 5223 # endif 5224 # ifdef USE_LOCALE_TIME 5225 " USE_LOCALE_TIME" 5226 # endif 5227 # ifdef USE_LONG_DOUBLE 5228 " USE_LONG_DOUBLE" 5229 # endif 5230 # ifdef USE_PERLIO 5231 " USE_PERLIO" 5232 # endif 5233 # ifdef USE_QUADMATH 5234 " USE_QUADMATH" 5235 # endif 5236 # ifdef USE_REENTRANT_API 5237 " USE_REENTRANT_API" 5238 # endif 5239 # ifdef USE_SOCKS 5240 " USE_SOCKS" 5241 # endif 5242 # ifdef VMS_DO_SOCKETS 5243 " VMS_DO_SOCKETS" 5244 # endif 5245 # ifdef VMS_SHORTEN_LONG_SYMBOLS 5246 " VMS_SHORTEN_LONG_SYMBOLS" 5247 # endif 5248 # ifdef VMS_WE_ARE_CASE_SENSITIVE 5249 " VMS_SYMBOL_CASE_AS_IS" 5250 # endif 5251 ""; 5252 #else 5253 EXTCONST char PL_bincompat_options[]; 5254 #endif 5255 5256 #ifndef PERL_SET_PHASE 5257 # define PERL_SET_PHASE(new_phase) \ 5258 PERL_DTRACE_PROBE_PHASE(new_phase); \ 5259 PL_phase = new_phase; 5260 #endif 5261 5262 /* The interpreter phases. If these ever change, PL_phase_names right below will 5263 * need to be updated accordingly. */ 5264 enum perl_phase { 5265 PERL_PHASE_CONSTRUCT = 0, 5266 PERL_PHASE_START = 1, 5267 PERL_PHASE_CHECK = 2, 5268 PERL_PHASE_INIT = 3, 5269 PERL_PHASE_RUN = 4, 5270 PERL_PHASE_END = 5, 5271 PERL_PHASE_DESTRUCT = 6 5272 }; 5273 5274 #ifdef DOINIT 5275 EXTCONST char *const PL_phase_names[] = { 5276 "CONSTRUCT", 5277 "START", 5278 "CHECK", 5279 "INIT", 5280 "RUN", 5281 "END", 5282 "DESTRUCT" 5283 }; 5284 #else 5285 EXTCONST char *const PL_phase_names[]; 5286 #endif 5287 5288 #ifndef PERL_CORE 5289 /* Do not use this macro. It only exists for extensions that rely on PL_dirty 5290 * instead of using the newer PL_phase, which provides everything PL_dirty 5291 * provided, and more. */ 5292 # define PL_dirty cBOOL(PL_phase == PERL_PHASE_DESTRUCT) 5293 5294 # define PL_amagic_generation PL_na 5295 #endif /* !PERL_CORE */ 5296 5297 #define PL_hints PL_compiling.cop_hints 5298 5299 END_EXTERN_C 5300 5301 /*****************************************************************************/ 5302 /* This lexer/parser stuff is currently global since yacc is hard to reenter */ 5303 /*****************************************************************************/ 5304 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */ 5305 5306 #ifdef __Lynx__ 5307 /* LynxOS defines these in scsi.h which is included via ioctl.h */ 5308 #ifdef FORMAT 5309 #undef FORMAT 5310 #endif 5311 #ifdef SPACE 5312 #undef SPACE 5313 #endif 5314 #endif 5315 5316 #define LEX_NOTPARSING 11 /* borrowed from toke.c */ 5317 5318 typedef enum { 5319 XOPERATOR, 5320 XTERM, 5321 XREF, 5322 XSTATE, 5323 XBLOCK, 5324 XATTRBLOCK, 5325 XATTRTERM, 5326 XTERMBLOCK, 5327 XBLOCKTERM, 5328 XPOSTDEREF, 5329 XTERMORDORDOR /* evil hack */ 5330 /* update exp_name[] in toke.c if adding to this enum */ 5331 } expectation; 5332 5333 /* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer 5334 special and there is no need for HINT_PRIVATE_MASK for COPs 5335 However, bitops store HINT_INTEGER in their op_private. 5336 5337 NOTE: The typical module using these has the bit value hard-coded, so don't 5338 blindly change the values of these. 5339 5340 If we run out of bits, the 2 locale ones could be combined. The PARTIAL one 5341 is for "use locale 'FOO'" which excludes some categories. It requires going 5342 to %^H to find out which are in and which are out. This could be extended 5343 for the normal case of a plain HINT_LOCALE, so that %^H would be used for 5344 any locale form. */ 5345 #define HINT_INTEGER 0x00000001 /* integer pragma */ 5346 #define HINT_STRICT_REFS 0x00000002 /* strict pragma */ 5347 #define HINT_LOCALE 0x00000004 /* locale pragma */ 5348 #define HINT_BYTES 0x00000008 /* bytes pragma */ 5349 #define HINT_LOCALE_PARTIAL 0x00000010 /* locale, but a subset of categories */ 5350 5351 #define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */ 5352 #define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */ 5353 #define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */ 5354 5355 #define HINT_BLOCK_SCOPE 0x00000100 5356 #define HINT_STRICT_SUBS 0x00000200 /* strict pragma */ 5357 #define HINT_STRICT_VARS 0x00000400 /* strict pragma */ 5358 #define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */ 5359 5360 /* The HINT_NEW_* constants are used by the overload pragma */ 5361 #define HINT_NEW_INTEGER 0x00001000 5362 #define HINT_NEW_FLOAT 0x00002000 5363 #define HINT_NEW_BINARY 0x00004000 5364 #define HINT_NEW_STRING 0x00008000 5365 #define HINT_NEW_RE 0x00010000 5366 #define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */ 5367 #define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */ 5368 #define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */ 5369 5370 #define HINT_RE_TAINT 0x00100000 /* re pragma */ 5371 #define HINT_RE_EVAL 0x00200000 /* re pragma */ 5372 5373 #define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */ 5374 #define HINT_UTF8 0x00800000 /* utf8 pragma */ 5375 5376 #define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */ 5377 5378 #define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */ 5379 5380 #define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */ 5381 5382 /* Note: Used for HINT_M_VMSISH_*, 5383 currently defined by vms/vmsish.h: 5384 0x40000000 5385 0x80000000 5386 */ 5387 5388 /* The following are stored in $^H{sort}, not in PL_hints */ 5389 #define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */ 5390 #define HINT_SORT_QUICKSORT 0x00000001 5391 #define HINT_SORT_MERGESORT 0x00000002 5392 #define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */ 5393 5394 /* flags for PL_sawampersand */ 5395 5396 #define SAWAMPERSAND_LEFT 1 /* saw $` */ 5397 #define SAWAMPERSAND_MIDDLE 2 /* saw $& */ 5398 #define SAWAMPERSAND_RIGHT 4 /* saw $' */ 5399 5400 #ifndef PERL_SAWAMPERSAND 5401 # define PL_sawampersand \ 5402 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT) 5403 #endif 5404 5405 /* Used for debugvar magic */ 5406 #define DBVARMG_SINGLE 0 5407 #define DBVARMG_TRACE 1 5408 #define DBVARMG_SIGNAL 2 5409 #define DBVARMG_COUNT 3 5410 5411 #define PL_DBsingle_iv (PL_DBcontrol[DBVARMG_SINGLE]) 5412 #define PL_DBtrace_iv (PL_DBcontrol[DBVARMG_TRACE]) 5413 #define PL_DBsignal_iv (PL_DBcontrol[DBVARMG_SIGNAL]) 5414 5415 /* Various states of the input record separator SV (rs) */ 5416 #define RsSNARF(sv) (! SvOK(sv)) 5417 #define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv))) 5418 #define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv)) 5419 #define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0)) 5420 5421 /* A struct for keeping various DEBUGGING related stuff, 5422 * neatly packed. Currently only scratch variables for 5423 * constructing debug output are included. Needed always, 5424 * not just when DEBUGGING, though, because of the re extension. c*/ 5425 struct perl_debug_pad { 5426 SV pad[3]; 5427 }; 5428 5429 #define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i]) 5430 #define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \ 5431 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \ 5432 PERL_DEBUG_PAD(i)) 5433 5434 /* Enable variables which are pointers to functions */ 5435 typedef void (*peep_t)(pTHX_ OP* o); 5436 typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm); 5437 typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg, 5438 char* strend, char* strbeg, I32 minend, 5439 SV* screamer, void* data, U32 flags); 5440 typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv, 5441 char *strpos, char *strend, 5442 U32 flags, 5443 re_scream_pos_data *d); 5444 typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog); 5445 typedef void (*regfree_t) (pTHX_ struct regexp* r); 5446 typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param); 5447 typedef I32 (*re_fold_t)(const char *, char const *, I32); 5448 5449 typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*); 5450 typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*); 5451 typedef void (*SVFUNC_t) (pTHX_ SV* const); 5452 typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const); 5453 typedef void (*XSINIT_t) (pTHX); 5454 typedef void (*ATEXIT_t) (pTHX_ void*); 5455 typedef void (*XSUBADDR_t) (pTHX_ CV *); 5456 5457 typedef OP* (*Perl_ppaddr_t)(pTHX); 5458 typedef OP* (*Perl_check_t) (pTHX_ OP*); 5459 typedef void(*Perl_ophook_t)(pTHX_ OP*); 5460 typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**); 5461 typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *); 5462 5463 typedef void(*globhook_t)(pTHX); 5464 5465 #define KEYWORD_PLUGIN_DECLINE 0 5466 #define KEYWORD_PLUGIN_STMT 1 5467 #define KEYWORD_PLUGIN_EXPR 2 5468 5469 /* Interpreter exitlist entry */ 5470 typedef struct exitlistentry { 5471 void (*fn) (pTHX_ void*); 5472 void *ptr; 5473 } PerlExitListEntry; 5474 5475 /* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */ 5476 /* These have to be before perlvars.h */ 5477 #if !defined(HAS_SIGACTION) && defined(VMS) 5478 # define FAKE_PERSISTENT_SIGNAL_HANDLERS 5479 #endif 5480 /* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */ 5481 #if defined(KILL_BY_SIGPRC) 5482 # define FAKE_DEFAULT_SIGNAL_HANDLERS 5483 #endif 5484 5485 #if !defined(MULTIPLICITY) 5486 5487 struct interpreter { 5488 char broiled; 5489 }; 5490 5491 #else 5492 5493 /* If we have multiple interpreters define a struct 5494 holding variables which must be per-interpreter 5495 If we don't have threads anything that would have 5496 be per-thread is per-interpreter. 5497 */ 5498 5499 /* Set up PERLVAR macros for populating structs */ 5500 # define PERLVAR(prefix,var,type) type prefix##var; 5501 5502 /* 'var' is an array of length 'n' */ 5503 # define PERLVARA(prefix,var,n,type) type prefix##var[n]; 5504 5505 /* initialize 'var' to init' */ 5506 # define PERLVARI(prefix,var,type,init) type prefix##var; 5507 5508 /* like PERLVARI, but make 'var' a const */ 5509 # define PERLVARIC(prefix,var,type,init) type prefix##var; 5510 5511 struct interpreter { 5512 # include "intrpvar.h" 5513 }; 5514 5515 EXTCONST U16 PL_interp_size 5516 INIT(sizeof(struct interpreter)); 5517 5518 # define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \ 5519 STRUCT_OFFSET(struct interpreter, member) + \ 5520 sizeof(((struct interpreter*)0)->member) 5521 5522 /* This will be useful for subsequent releases, because this has to be the 5523 same in your libperl as in main(), else you have a mismatch and must abort. 5524 */ 5525 EXTCONST U16 PL_interp_size_5_18_0 5526 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER)); 5527 5528 5529 # ifdef PERL_GLOBAL_STRUCT 5530 /* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined, 5531 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */ 5532 5533 struct perl_vars { 5534 # include "perlvars.h" 5535 }; 5536 5537 EXTCONST U16 PL_global_struct_size 5538 INIT(sizeof(struct perl_vars)); 5539 5540 # ifdef PERL_CORE 5541 # ifndef PERL_GLOBAL_STRUCT_PRIVATE 5542 EXT struct perl_vars PL_Vars; 5543 EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars); 5544 # undef PERL_GET_VARS 5545 # define PERL_GET_VARS() PL_VarsPtr 5546 # endif /* !PERL_GLOBAL_STRUCT_PRIVATE */ 5547 # else /* PERL_CORE */ 5548 # if !defined(__GNUC__) || !defined(WIN32) 5549 EXT 5550 # endif /* WIN32 */ 5551 struct perl_vars *PL_VarsPtr; 5552 # define PL_Vars (*((PL_VarsPtr) \ 5553 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX)))) 5554 # endif /* PERL_CORE */ 5555 # endif /* PERL_GLOBAL_STRUCT */ 5556 5557 /* Done with PERLVAR macros for now ... */ 5558 # undef PERLVAR 5559 # undef PERLVARA 5560 # undef PERLVARI 5561 # undef PERLVARIC 5562 5563 #endif /* MULTIPLICITY */ 5564 5565 struct tempsym; /* defined in pp_pack.c */ 5566 5567 #include "thread.h" 5568 #include "pp.h" 5569 5570 #undef PERL_CKDEF 5571 #undef PERL_PPDEF 5572 #define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o); 5573 #define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX); 5574 5575 #ifdef MYMALLOC 5576 # include "malloc_ctl.h" 5577 #endif 5578 5579 /* 5580 * This provides a layer of functions and macros to ensure extensions will 5581 * get to use the same RTL functions as the core. 5582 */ 5583 #if defined(WIN32) 5584 # include "win32iop.h" 5585 #endif 5586 5587 5588 #include "proto.h" 5589 5590 /* this has structure inits, so it cannot be included before here */ 5591 #include "opcode.h" 5592 5593 /* The following must follow proto.h as #defines mess up syntax */ 5594 5595 #if !defined(PERL_FOR_X2P) 5596 # include "embedvar.h" 5597 #endif 5598 5599 /* Now include all the 'global' variables 5600 * If we don't have threads or multiple interpreters 5601 * these include variables that would have been their struct-s 5602 */ 5603 5604 #define PERLVAR(prefix,var,type) EXT type PL_##var; 5605 #define PERLVARA(prefix,var,n,type) EXT type PL_##var[n]; 5606 #define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init); 5607 #define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init); 5608 5609 #if !defined(MULTIPLICITY) 5610 START_EXTERN_C 5611 # include "intrpvar.h" 5612 END_EXTERN_C 5613 #endif 5614 5615 #ifdef PERL_CORE 5616 /* All core uses now exterminated. Ensure no zombies can return: */ 5617 # undef PL_na 5618 #endif 5619 5620 /* Now all the config stuff is setup we can include embed.h 5621 In particular, need the relevant *ish file included already, as it may 5622 define HAVE_INTERP_INTERN */ 5623 #include "embed.h" 5624 5625 #ifndef PERL_GLOBAL_STRUCT 5626 START_EXTERN_C 5627 5628 # include "perlvars.h" 5629 5630 END_EXTERN_C 5631 #endif 5632 5633 #undef PERLVAR 5634 #undef PERLVARA 5635 #undef PERLVARI 5636 #undef PERLVARIC 5637 5638 #if !defined(MULTIPLICITY) 5639 /* Set up PERLVAR macros for populating structs */ 5640 # define PERLVAR(prefix,var,type) type prefix##var; 5641 /* 'var' is an array of length 'n' */ 5642 # define PERLVARA(prefix,var,n,type) type prefix##var[n]; 5643 /* initialize 'var' to init' */ 5644 # define PERLVARI(prefix,var,type,init) type prefix##var; 5645 /* like PERLVARI, but make 'var' a const */ 5646 # define PERLVARIC(prefix,var,type,init) type prefix##var; 5647 5648 /* this is never instantiated, is it just used for sizeof(struct PerlHandShakeInterpreter) */ 5649 struct PerlHandShakeInterpreter { 5650 # include "intrpvar.h" 5651 }; 5652 # undef PERLVAR 5653 # undef PERLVARA 5654 # undef PERLVARI 5655 # undef PERLVARIC 5656 #endif 5657 5658 START_EXTERN_C 5659 5660 /* dummy variables that hold pointers to both runops functions, thus forcing 5661 * them *both* to get linked in (useful for Peek.xs, debugging etc) */ 5662 5663 EXTCONST runops_proc_t PL_runops_std 5664 INIT(Perl_runops_standard); 5665 EXTCONST runops_proc_t PL_runops_dbg 5666 INIT(Perl_runops_debug); 5667 5668 #define EXT_MGVTBL EXTCONST MGVTBL 5669 5670 #define PERL_MAGIC_READONLY_ACCEPTABLE 0x40 5671 #define PERL_MAGIC_VALUE_MAGIC 0x80 5672 #define PERL_MAGIC_VTABLE_MASK 0x3F 5673 #define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \ 5674 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE) 5675 #define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \ 5676 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC) 5677 5678 #include "mg_vtable.h" 5679 5680 #ifdef DOINIT 5681 EXTCONST U8 PL_magic_data[256] = 5682 # ifdef PERL_MICRO 5683 # include "umg_data.h" 5684 # else 5685 # include "mg_data.h" 5686 # endif 5687 ; 5688 #else 5689 EXTCONST U8 PL_magic_data[256]; 5690 #endif 5691 5692 #ifdef DOINIT 5693 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */ 5694 EXTCONST bool 5695 PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 }; 5696 EXTCONST bool 5697 PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 }; 5698 EXTCONST bool 5699 PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 }; 5700 EXTCONST bool 5701 PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 }; 5702 EXTCONST bool 5703 PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 }; 5704 EXTCONST bool 5705 PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 }; 5706 5707 #else 5708 5709 EXTCONST bool PL_valid_types_IVX[]; 5710 EXTCONST bool PL_valid_types_NVX[]; 5711 EXTCONST bool PL_valid_types_PVX[]; 5712 EXTCONST bool PL_valid_types_RV[]; 5713 EXTCONST bool PL_valid_types_IV_set[]; 5714 EXTCONST bool PL_valid_types_NV_set[]; 5715 5716 #endif 5717 5718 /* In C99 we could use designated (named field) union initializers. 5719 * In C89 we need to initialize the member declared first. 5720 * 5721 * With the U8_NV version you will want to have inner braces, 5722 * while with the NV_U8 use just the NV.*/ 5723 #define INFNAN_U8_NV_DECL EXTCONST union { U8 u8[NVSIZE]; NV nv; } 5724 #define INFNAN_NV_U8_DECL EXTCONST union { NV nv; U8 u8[NVSIZE]; } 5725 5726 #ifdef DOINIT 5727 5728 /* PL_inf and PL_nan initialization. 5729 * 5730 * For inf and nan initialization the ultimate fallback is dividing 5731 * one or zero by zero: however, some compilers will warn or even fail 5732 * on divide-by-zero, but hopefully something earlier will work. 5733 * 5734 * If you are thinking of using HUGE_VAL for infinity, or using 5735 * <math.h> functions to generate NV_INF (e.g. exp(1e9), log(-1.0)), 5736 * stop. Neither will work portably: HUGE_VAL can be just DBL_MAX, 5737 * and the math functions might be just generating DBL_MAX, or even zero. 5738 * 5739 * Also, do NOT try doing NV_NAN based on NV_INF and trying (NV_INF-NV_INF). 5740 * Though logically correct, some compilers (like Visual C 2003) 5741 * falsely misoptimize that to zero (x-x is always zero, right?) 5742 */ 5743 5744 /* The quadmath literals are anon structs which -Wc++-compat doesn't like. */ 5745 GCC_DIAG_IGNORE(-Wc++-compat) 5746 5747 # ifdef USE_QUADMATH 5748 /* Cannot use HUGE_VALQ for PL_inf because not a compile-time 5749 * constant. */ 5750 INFNAN_NV_U8_DECL PL_inf = { 1.0Q/0.0Q }; 5751 # elif NVSIZE == LONG_DOUBLESIZE && defined(LONGDBLINFBYTES) 5752 INFNAN_U8_NV_DECL PL_inf = { { LONGDBLINFBYTES } }; 5753 # elif NVSIZE == DOUBLESIZE && defined(DOUBLEINFBYTES) 5754 INFNAN_U8_NV_DECL PL_inf = { { DOUBLEINFBYTES } }; 5755 # else 5756 # if NVSIZE == LONG_DOUBLESIZE && defined(USE_LONG_DOUBLE) 5757 # if defined(LDBL_INFINITY) 5758 INFNAN_NV_U8_DECL PL_inf = { LDBL_INFINITY }; 5759 # elif defined(LDBL_INF) 5760 INFNAN_NV_U8_DECL PL_inf = { LDBL_INF }; 5761 # elif defined(INFINITY) 5762 INFNAN_NV_U8_DECL PL_inf = { (NV)INFINITY }; 5763 # elif defined(INF) 5764 INFNAN_NV_U8_DECL PL_inf = { (NV)INF }; 5765 # else 5766 INFNAN_NV_U8_DECL PL_inf = { 1.0L/0.0L }; /* keep last */ 5767 # endif 5768 # else 5769 # if defined(DBL_INFINITY) 5770 INFNAN_NV_U8_DECL PL_inf = { DBL_INFINITY }; 5771 # elif defined(DBL_INF) 5772 INFNAN_NV_U8_DECL PL_inf = { DBL_INF }; 5773 # elif defined(INFINITY) /* C99 */ 5774 INFNAN_NV_U8_DECL PL_inf = { (NV)INFINITY }; 5775 # elif defined(INF) 5776 INFNAN_NV_U8_DECL PL_inf = { (NV)INF }; 5777 # else 5778 INFNAN_NV_U8_DECL PL_inf = { 1.0/0.0 }; /* keep last */ 5779 # endif 5780 # endif 5781 # endif 5782 5783 # ifdef USE_QUADMATH 5784 /* Cannot use nanq("0") for PL_nan because not a compile-time 5785 * constant. */ 5786 INFNAN_NV_U8_DECL PL_nan = { 0.0Q/0.0Q }; 5787 # elif NVSIZE == LONG_DOUBLESIZE && defined(LONGDBLNANBYTES) 5788 INFNAN_U8_NV_DECL PL_nan = { { LONGDBLNANBYTES } }; 5789 # elif NVSIZE == DOUBLESIZE && defined(DOUBLENANBYTES) 5790 INFNAN_U8_NV_DECL PL_nan = { { DOUBLENANBYTES } }; 5791 # else 5792 # if NVSIZE == LONG_DOUBLESIZE && defined(USE_LONG_DOUBLE) 5793 # if defined(LDBL_NAN) 5794 INFNAN_NV_U8_DECL PL_nan = { LDBL_NAN }; 5795 # elif defined(LDBL_QNAN) 5796 INFNAN_NV_U8_DECL PL_nan = { LDBL_QNAN }; 5797 # elif defined(NAN) 5798 INFNAN_NV_U8_DECL PL_nan = { (NV)NAN }; 5799 # else 5800 INFNAN_NV_U8_DECL PL_nan = { 0.0L/0.0L }; /* keep last */ 5801 # endif 5802 # else 5803 # if defined(DBL_NAN) 5804 INFNAN_NV_U8_DECL PL_nan = { DBL_NAN }; 5805 # elif defined(DBL_QNAN) 5806 INFNAN_NV_U8_DECL PL_nan = { DBL_QNAN }; 5807 # elif defined(NAN) /* C99 */ 5808 INFNAN_NV_U8_DECL PL_nan = { (NV)NAN }; 5809 # else 5810 INFNAN_NV_U8_DECL PL_nan = { 0.0/0.0 }; /* keep last */ 5811 # endif 5812 # endif 5813 # endif 5814 5815 GCC_DIAG_RESTORE 5816 5817 #else 5818 5819 INFNAN_NV_U8_DECL PL_inf; 5820 INFNAN_NV_U8_DECL PL_nan; 5821 5822 #endif 5823 5824 /* If you have not defined NV_INF/NV_NAN (like for example win32/win32.h), 5825 * we will define NV_INF/NV_NAN as the nv part of the global const 5826 * PL_inf/PL_nan. Note, however, that the preexisting NV_INF/NV_NAN 5827 * might not be a compile-time constant, in which case it cannot be 5828 * used to initialize PL_inf/PL_nan above. */ 5829 #ifndef NV_INF 5830 # define NV_INF PL_inf.nv 5831 #endif 5832 #ifndef NV_NAN 5833 # define NV_NAN PL_nan.nv 5834 #endif 5835 5836 /* if these never got defined, they need defaults */ 5837 #ifndef PERL_SET_CONTEXT 5838 # define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i) 5839 #endif 5840 5841 #ifndef PERL_GET_CONTEXT 5842 # define PERL_GET_CONTEXT PERL_GET_INTERP 5843 #endif 5844 5845 #ifndef PERL_GET_THX 5846 # define PERL_GET_THX ((void*)NULL) 5847 #endif 5848 5849 #ifndef PERL_SET_THX 5850 # define PERL_SET_THX(t) NOOP 5851 #endif 5852 5853 5854 #ifndef PERL_NO_INLINE_FUNCTIONS 5855 /* Static inline funcs that depend on includes and declarations above. 5856 Some of these reference functions in the perl object files, and some 5857 compilers aren't smart enough to eliminate unused static inline 5858 functions, so including this file in source code can cause link errors 5859 even if the source code uses none of the functions. Hence including these 5860 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will 5861 (obviously) result in unworkable XS code, but allows simple probing code 5862 to continue to work, because it permits tests to include the perl headers 5863 for definitions without creating a link dependency on the perl library 5864 (which may not exist yet). 5865 */ 5866 5867 # include "inline.h" 5868 #endif 5869 5870 #include "overload.h" 5871 5872 END_EXTERN_C 5873 5874 struct am_table { 5875 U8 flags; 5876 U8 fallback; 5877 U16 spare; 5878 U32 was_ok_sub; 5879 CV* table[NofAMmeth]; 5880 }; 5881 struct am_table_short { 5882 U8 flags; 5883 U8 fallback; 5884 U16 spare; 5885 U32 was_ok_sub; 5886 }; 5887 typedef struct am_table AMT; 5888 typedef struct am_table_short AMTS; 5889 5890 #define AMGfallNEVER 1 5891 #define AMGfallNO 2 5892 #define AMGfallYES 3 5893 5894 #define AMTf_AMAGIC 1 5895 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC) 5896 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC) 5897 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC) 5898 5899 #define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg)) 5900 5901 /* 5902 * some compilers like to redefine cos et alia as faster 5903 * (and less accurate?) versions called F_cos et cetera (Quidquid 5904 * latine dictum sit, altum viditur.) This trick collides with 5905 * the Perl overloading (amg). The following #defines fool both. 5906 */ 5907 5908 #ifdef _FASTMATH 5909 # ifdef atan2 5910 # define F_atan2_amg atan2_amg 5911 # endif 5912 # ifdef cos 5913 # define F_cos_amg cos_amg 5914 # endif 5915 # ifdef exp 5916 # define F_exp_amg exp_amg 5917 # endif 5918 # ifdef log 5919 # define F_log_amg log_amg 5920 # endif 5921 # ifdef pow 5922 # define F_pow_amg pow_amg 5923 # endif 5924 # ifdef sin 5925 # define F_sin_amg sin_amg 5926 # endif 5927 # ifdef sqrt 5928 # define F_sqrt_amg sqrt_amg 5929 # endif 5930 #endif /* _FASTMATH */ 5931 5932 #define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \ 5933 PERLDBf_NOOPT | PERLDBf_INTER | \ 5934 PERLDBf_SUBLINE| PERLDBf_SINGLE| \ 5935 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \ 5936 PERLDBf_SAVESRC) 5937 /* No _NONAME, _GOTO */ 5938 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit */ 5939 #define PERLDBf_LINE 0x02 /* Keep line # */ 5940 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations */ 5941 #define PERLDBf_INTER 0x08 /* Preserve more data for 5942 later inspections */ 5943 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */ 5944 #define PERLDBf_SINGLE 0x20 /* Start with single-step on */ 5945 #define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */ 5946 #define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */ 5947 #define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */ 5948 #define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */ 5949 #define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */ 5950 #define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */ 5951 #define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */ 5952 5953 #define PERLDB_SUB (PL_perldb & PERLDBf_SUB) 5954 #define PERLDB_LINE (PL_perldb & PERLDBf_LINE) 5955 #define PERLDB_NOOPT (PL_perldb & PERLDBf_NOOPT) 5956 #define PERLDB_INTER (PL_perldb & PERLDBf_INTER) 5957 #define PERLDB_SUBLINE (PL_perldb & PERLDBf_SUBLINE) 5958 #define PERLDB_SINGLE (PL_perldb & PERLDBf_SINGLE) 5959 #define PERLDB_SUB_NN (PL_perldb & PERLDBf_NONAME) 5960 #define PERLDB_GOTO (PL_perldb & PERLDBf_GOTO) 5961 #define PERLDB_NAMEEVAL (PL_perldb & PERLDBf_NAMEEVAL) 5962 #define PERLDB_NAMEANON (PL_perldb & PERLDBf_NAMEANON) 5963 #define PERLDB_SAVESRC (PL_perldb & PERLDBf_SAVESRC) 5964 #define PERLDB_SAVESRC_NOSUBS (PL_perldb & PERLDBf_SAVESRC_NOSUBS) 5965 #define PERLDB_SAVESRC_INVALID (PL_perldb & PERLDBf_SAVESRC_INVALID) 5966 5967 #define PERLDB_LINE_OR_SAVESRC (PL_perldb & (PERLDBf_LINE | PERLDBf_SAVESRC)) 5968 5969 #ifdef USE_LOCALE 5970 /* These locale things are all subject to change */ 5971 5972 # define LOCALE_INIT MUTEX_INIT(&PL_locale_mutex) 5973 # define LOCALE_TERM MUTEX_DESTROY(&PL_locale_mutex) 5974 5975 # define LOCALE_LOCK MUTEX_LOCK(&PL_locale_mutex) 5976 # define LOCALE_UNLOCK MUTEX_UNLOCK(&PL_locale_mutex) 5977 5978 /* Returns TRUE if the plain locale pragma without a parameter is in effect 5979 */ 5980 # define IN_LOCALE_RUNTIME cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE) 5981 5982 /* Returns TRUE if either form of the locale pragma is in effect */ 5983 # define IN_SOME_LOCALE_FORM_RUNTIME \ 5984 cBOOL(CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_PARTIAL)) 5985 5986 # define IN_LOCALE_COMPILETIME cBOOL(PL_hints & HINT_LOCALE) 5987 # define IN_SOME_LOCALE_FORM_COMPILETIME \ 5988 cBOOL(PL_hints & (HINT_LOCALE|HINT_LOCALE_PARTIAL)) 5989 5990 # define IN_LOCALE \ 5991 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME) 5992 # define IN_SOME_LOCALE_FORM \ 5993 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \ 5994 : IN_SOME_LOCALE_FORM_RUNTIME) 5995 5996 # define IN_LC_ALL_COMPILETIME IN_LOCALE_COMPILETIME 5997 # define IN_LC_ALL_RUNTIME IN_LOCALE_RUNTIME 5998 5999 # define IN_LC_PARTIAL_COMPILETIME cBOOL(PL_hints & HINT_LOCALE_PARTIAL) 6000 # define IN_LC_PARTIAL_RUNTIME \ 6001 cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE_PARTIAL) 6002 6003 # define IN_LC_COMPILETIME(category) \ 6004 (IN_LC_ALL_COMPILETIME || (IN_LC_PARTIAL_COMPILETIME \ 6005 && _is_in_locale_category(TRUE, (category)))) 6006 # define IN_LC_RUNTIME(category) \ 6007 (IN_LC_ALL_RUNTIME || (IN_LC_PARTIAL_RUNTIME \ 6008 && _is_in_locale_category(FALSE, (category)))) 6009 # define IN_LC(category) \ 6010 (IN_LC_COMPILETIME(category) || IN_LC_RUNTIME(category)) 6011 6012 # if defined (PERL_CORE) || defined (PERL_IN_XSUB_RE) 6013 6014 /* This internal macro should be called from places that operate under 6015 * locale rules. It there is a problem with the current locale that 6016 * hasn't been raised yet, it will output a warning this time. Because 6017 * this will so rarely be true, there is no point to optimize for 6018 * time; instead it makes sense to minimize space used and do all the 6019 * work in the rarely called function */ 6020 # ifdef USE_LOCALE_CTYPE 6021 # define _CHECK_AND_WARN_PROBLEMATIC_LOCALE \ 6022 STMT_START { \ 6023 if (UNLIKELY(PL_warn_locale)) { \ 6024 _warn_problematic_locale(); \ 6025 } \ 6026 } STMT_END 6027 # else 6028 # define _CHECK_AND_WARN_PROBLEMATIC_LOCALE 6029 # endif 6030 6031 6032 /* These two internal macros are called when a warning should be raised, 6033 * and will do so if enabled. The first takes a single code point 6034 * argument; the 2nd, is a pointer to the first byte of the UTF-8 encoded 6035 * string, and an end position which it won't try to read past */ 6036 # define _CHECK_AND_OUTPUT_WIDE_LOCALE_CP_MSG(cp) \ 6037 STMT_START { \ 6038 if (! PL_in_utf8_CTYPE_locale && ckWARN(WARN_LOCALE)) { \ 6039 Perl_warner(aTHX_ packWARN(WARN_LOCALE), \ 6040 "Wide character (U+%"UVXf") in %s", \ 6041 (UV) cp, OP_DESC(PL_op)); \ 6042 } \ 6043 } STMT_END 6044 6045 # define _CHECK_AND_OUTPUT_WIDE_LOCALE_UTF8_MSG(s, send) \ 6046 STMT_START { /* Check if to warn before doing the conversion work */\ 6047 if (! PL_in_utf8_CTYPE_locale && ckWARN(WARN_LOCALE)) { \ 6048 UV cp = utf8_to_uvchr_buf((U8 *) s, (U8 *) send, NULL); \ 6049 Perl_warner(aTHX_ packWARN(WARN_LOCALE), \ 6050 "Wide character (U+%"UVXf") in %s", \ 6051 (cp == 0) \ 6052 ? UNICODE_REPLACEMENT \ 6053 : (UV) cp, \ 6054 OP_DESC(PL_op)); \ 6055 } \ 6056 } STMT_END 6057 6058 # endif /* PERL_CORE or PERL_IN_XSUB_RE */ 6059 6060 #else /* No locale usage */ 6061 # define LOCALE_INIT 6062 # define LOCALE_TERM 6063 # define LOCALE_LOCK 6064 # define LOCALE_UNLOCK 6065 # define IN_LOCALE_RUNTIME 0 6066 # define IN_SOME_LOCALE_FORM_RUNTIME 0 6067 # define IN_LOCALE_COMPILETIME 0 6068 # define IN_SOME_LOCALE_FORM_COMPILETIME 0 6069 # define IN_LOCALE 0 6070 # define IN_SOME_LOCALE_FORM 0 6071 # define IN_LC_ALL_COMPILETIME 0 6072 # define IN_LC_ALL_RUNTIME 0 6073 # define IN_LC_PARTIAL_COMPILETIME 0 6074 # define IN_LC_PARTIAL_RUNTIME 0 6075 # define IN_LC_COMPILETIME(category) 0 6076 # define IN_LC_RUNTIME(category) 0 6077 # define IN_LC(category) 0 6078 6079 # define _CHECK_AND_WARN_PROBLEMATIC_LOCALE 6080 # define _CHECK_AND_OUTPUT_WIDE_LOCALE_CP_MSG(a) 6081 # define _CHECK_AND_OUTPUT_WIDE_LOCALE_UTF8_MSG(a,b) 6082 #endif 6083 6084 #ifdef USE_LOCALE_NUMERIC 6085 6086 /* These macros are for toggling between the underlying locale (UNDERLYING or 6087 * LOCAL) and the C locale (STANDARD). 6088 6089 =head1 Locale-related functions and macros 6090 6091 =for apidoc Amn|void|DECLARATION_FOR_LC_NUMERIC_MANIPULATION 6092 6093 This macro should be used as a statement. It declares a private variable 6094 (whose name begins with an underscore) that is needed by the other macros in 6095 this section. Failing to include this correctly should lead to a syntax error. 6096 For compatibility with C89 C compilers it should be placed in a block before 6097 any executable statements. 6098 6099 =for apidoc Am|void|STORE_LC_NUMERIC_FORCE_TO_UNDERLYING 6100 6101 This is used by XS code that that is C<LC_NUMERIC> locale-aware to force the 6102 locale for category C<LC_NUMERIC> to be what perl thinks is the current 6103 underlying locale. (The perl interpreter could be wrong about what the 6104 underlying locale actually is if some C or XS code has called the C library 6105 function L<setlocale(3)> behind its back; calling L</sync_locale> before calling 6106 this macro will update perl's records.) 6107 6108 A call to L</DECLARATION_FOR_LC_NUMERIC_MANIPULATION> must have been made to 6109 declare at compile time a private variable used by this macro. This macro 6110 should be called as a single statement, not an expression, but with an empty 6111 argument list, like this: 6112 6113 { 6114 DECLARATION_FOR_LC_NUMERIC_MANIPULATION; 6115 ... 6116 STORE_LC_NUMERIC_FORCE_TO_UNDERLYING(); 6117 ... 6118 RESTORE_LC_NUMERIC(); 6119 ... 6120 } 6121 6122 The private variable is used to save the current locale state, so 6123 that the requisite matching call to L</RESTORE_LC_NUMERIC> can restore it. 6124 6125 =for apidoc Am|void|STORE_LC_NUMERIC_SET_TO_NEEDED 6126 6127 This is used to help wrap XS or C code that that is C<LC_NUMERIC> locale-aware. 6128 This locale category is generally kept set to the C locale by Perl for 6129 backwards compatibility, and because most XS code that reads floating point 6130 values can cope only with the decimal radix character being a dot. 6131 6132 This macro makes sure the current C<LC_NUMERIC> state is set properly, to be 6133 aware of locale if the call to the XS or C code from the Perl program is 6134 from within the scope of a S<C<use locale>>; or to ignore locale if the call is 6135 instead from outside such scope. 6136 6137 This macro is the start of wrapping the C or XS code; the wrap ending is done 6138 by calling the L</RESTORE_LC_NUMERIC> macro after the operation. Otherwise 6139 the state can be changed that will adversely affect other XS code. 6140 6141 A call to L</DECLARATION_FOR_LC_NUMERIC_MANIPULATION> must have been made to 6142 declare at compile time a private variable used by this macro. This macro 6143 should be called as a single statement, not an expression, but with an empty 6144 argument list, like this: 6145 6146 { 6147 DECLARATION_FOR_LC_NUMERIC_MANIPULATION; 6148 ... 6149 STORE_LC_NUMERIC_SET_TO_NEEDED(); 6150 ... 6151 RESTORE_LC_NUMERIC(); 6152 ... 6153 } 6154 6155 =for apidoc Am|void|RESTORE_LC_NUMERIC 6156 6157 This is used in conjunction with one of the macros 6158 L</STORE_LC_NUMERIC_SET_TO_NEEDED> 6159 and 6160 L</STORE_LC_NUMERIC_FORCE_TO_UNDERLYING> 6161 6162 to properly restore the C<LC_NUMERIC> state. 6163 6164 A call to L</DECLARATION_FOR_LC_NUMERIC_MANIPULATION> must have been made to 6165 declare at compile time a private variable used by this macro and the two 6166 C<STORE> ones. This macro should be called as a single statement, not an 6167 expression, but with an empty argument list, like this: 6168 6169 { 6170 DECLARATION_FOR_LC_NUMERIC_MANIPULATION; 6171 ... 6172 RESTORE_LC_NUMERIC(); 6173 ... 6174 } 6175 6176 =cut 6177 6178 */ 6179 6180 #define _NOT_IN_NUMERIC_STANDARD (! PL_numeric_standard) 6181 6182 /* We can lock the category to stay in the C locale, making requests to the 6183 * contrary be noops, in the dynamic scope by setting PL_numeric_standard to 2. 6184 * */ 6185 #define _NOT_IN_NUMERIC_UNDERLYING \ 6186 (! PL_numeric_local && PL_numeric_standard < 2) 6187 6188 #define DECLARATION_FOR_LC_NUMERIC_MANIPULATION \ 6189 void (*_restore_LC_NUMERIC_function)(pTHX) = NULL 6190 6191 #define STORE_LC_NUMERIC_SET_TO_NEEDED() \ 6192 if (IN_LC(LC_NUMERIC)) { \ 6193 if (_NOT_IN_NUMERIC_UNDERLYING) { \ 6194 set_numeric_local(); \ 6195 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \ 6196 } \ 6197 } \ 6198 else { \ 6199 if (_NOT_IN_NUMERIC_STANDARD) { \ 6200 SET_NUMERIC_STANDARD(); \ 6201 _restore_LC_NUMERIC_function = &Perl_set_numeric_local; \ 6202 } \ 6203 } 6204 6205 #define RESTORE_LC_NUMERIC() \ 6206 if (_restore_LC_NUMERIC_function) { \ 6207 _restore_LC_NUMERIC_function(aTHX); \ 6208 } 6209 6210 /* The next two macros set unconditionally. These should be rarely used, and 6211 * only after being sure that this is what is needed */ 6212 #define SET_NUMERIC_STANDARD() \ 6213 STMT_START { if (_NOT_IN_NUMERIC_STANDARD) set_numeric_standard(); \ 6214 } STMT_END 6215 6216 #define SET_NUMERIC_UNDERLYING() \ 6217 STMT_START { if (_NOT_IN_NUMERIC_UNDERLYING) \ 6218 set_numeric_local(); } STMT_END 6219 6220 /* The rest of these LC_NUMERIC macros toggle to one or the other state, with 6221 * the RESTORE_foo ones called to switch back, but only if need be */ 6222 #define STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD() \ 6223 bool _was_local = _NOT_IN_NUMERIC_STANDARD; \ 6224 if (_was_local) set_numeric_standard(); 6225 6226 /* Doesn't change to underlying locale unless within the scope of some form of 6227 * 'use locale'. This is the usual desired behavior. */ 6228 #define STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING() \ 6229 bool _was_standard = _NOT_IN_NUMERIC_UNDERLYING \ 6230 && IN_LC(LC_NUMERIC); \ 6231 if (_was_standard) set_numeric_local(); 6232 6233 /* Rarely, we want to change to the underlying locale even outside of 'use 6234 * locale'. This is principally in the POSIX:: functions */ 6235 #define STORE_LC_NUMERIC_FORCE_TO_UNDERLYING() \ 6236 if (_NOT_IN_NUMERIC_UNDERLYING) { \ 6237 set_numeric_local(); \ 6238 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \ 6239 } 6240 6241 /* Lock to the C locale until unlock is called */ 6242 #define LOCK_LC_NUMERIC_STANDARD() \ 6243 (__ASSERT_(PL_numeric_standard) \ 6244 PL_numeric_standard = 2) 6245 6246 #define UNLOCK_LC_NUMERIC_STANDARD() \ 6247 (__ASSERT_(PL_numeric_standard == 2) \ 6248 PL_numeric_standard = 1) 6249 6250 #define RESTORE_LC_NUMERIC_UNDERLYING() \ 6251 if (_was_local) set_numeric_local(); 6252 6253 #define RESTORE_LC_NUMERIC_STANDARD() \ 6254 if (_restore_LC_NUMERIC_function) { \ 6255 _restore_LC_NUMERIC_function(aTHX); \ 6256 } 6257 6258 #else /* !USE_LOCALE_NUMERIC */ 6259 6260 #define SET_NUMERIC_STANDARD() 6261 #define SET_NUMERIC_UNDERLYING() 6262 #define IS_NUMERIC_RADIX(a, b) (0) 6263 #define STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD() 6264 #define STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING() 6265 #define STORE_LC_NUMERIC_FORCE_TO_UNDERLYING() 6266 #define RESTORE_LC_NUMERIC_UNDERLYING() 6267 #define RESTORE_LC_NUMERIC_STANDARD() 6268 #define DECLARATION_FOR_LC_NUMERIC_MANIPULATION 6269 #define STORE_LC_NUMERIC_SET_TO_NEEDED() 6270 #define RESTORE_LC_NUMERIC() 6271 #define LOCK_LC_NUMERIC_STANDARD() 6272 #define UNLOCK_LC_NUMERIC_STANDARD() 6273 6274 #endif /* !USE_LOCALE_NUMERIC */ 6275 6276 #define Atof my_atof 6277 6278 /* Back-compat names */ 6279 #define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \ 6280 DECLARATION_FOR_LC_NUMERIC_MANIPULATION 6281 #define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \ 6282 DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \ 6283 STORE_LC_NUMERIC_SET_TO_NEEDED(); 6284 #define LOCK_NUMERIC_STANDARD() LOCK_LC_NUMERIC_STANDARD() 6285 #define RESTORE_NUMERIC_LOCAL() RESTORE_LC_NUMERIC_UNDERLYING() 6286 #define RESTORE_NUMERIC_STANDARD() RESTORE_LC_NUMERIC_STANDARD() 6287 #define SET_NUMERIC_LOCAL() SET_NUMERIC_UNDERLYING() 6288 #define STORE_NUMERIC_LOCAL_SET_STANDARD() \ 6289 STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD() 6290 #define STORE_NUMERIC_STANDARD_SET_LOCAL() \ 6291 STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING() 6292 #define STORE_NUMERIC_STANDARD_FORCE_LOCAL() \ 6293 STORE_LC_NUMERIC_FORCE_TO_UNDERLYING() 6294 #define UNLOCK_NUMERIC_STANDARD() UNLOCK_LC_NUMERIC_STANDARD() 6295 6296 6297 6298 #ifdef USE_QUADMATH 6299 # define Perl_strtod(s, e) strtoflt128(s, e) 6300 #elif defined(HAS_LONG_DOUBLE) && defined(USE_LONG_DOUBLE) 6301 # if defined(HAS_STRTOLD) 6302 # define Perl_strtod(s, e) strtold(s, e) 6303 # elif defined(HAS_STRTOD) 6304 # define Perl_strtod(s, e) (NV)strtod(s, e) /* Unavoidable loss. */ 6305 # endif 6306 #elif defined(HAS_STRTOD) 6307 # define Perl_strtod(s, e) strtod(s, e) 6308 #endif 6309 6310 #if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \ 6311 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64) 6312 # ifdef __hpux 6313 # define strtoll __strtoll /* secret handshake */ 6314 # endif 6315 # if defined(WIN64) && defined(_MSC_VER) 6316 # define strtoll _strtoi64 /* secret handshake */ 6317 # endif 6318 # if !defined(Strtol) && defined(HAS_STRTOLL) 6319 # define Strtol strtoll 6320 # endif 6321 # if !defined(Strtol) && defined(HAS_STRTOQ) 6322 # define Strtol strtoq 6323 # endif 6324 /* is there atoq() anywhere? */ 6325 #endif 6326 #if !defined(Strtol) && defined(HAS_STRTOL) 6327 # define Strtol strtol 6328 #endif 6329 #ifndef Atol 6330 /* It would be more fashionable to use Strtol() to define atol() 6331 * (as is done for Atoul(), see below) but for backward compatibility 6332 * we just assume atol(). */ 6333 # if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \ 6334 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64) 6335 # ifdef WIN64 6336 # define atoll _atoi64 /* secret handshake */ 6337 # endif 6338 # define Atol atoll 6339 # else 6340 # define Atol atol 6341 # endif 6342 #endif 6343 6344 #if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \ 6345 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64) 6346 # ifdef __hpux 6347 # define strtoull __strtoull /* secret handshake */ 6348 # endif 6349 # if defined(WIN64) && defined(_MSC_VER) 6350 # define strtoull _strtoui64 /* secret handshake */ 6351 # endif 6352 # if !defined(Strtoul) && defined(HAS_STRTOULL) 6353 # define Strtoul strtoull 6354 # endif 6355 # if !defined(Strtoul) && defined(HAS_STRTOUQ) 6356 # define Strtoul strtouq 6357 # endif 6358 /* is there atouq() anywhere? */ 6359 #endif 6360 #if !defined(Strtoul) && defined(HAS_STRTOUL) 6361 # define Strtoul strtoul 6362 #endif 6363 #if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */ 6364 # define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b)) 6365 #endif 6366 #ifndef Atoul 6367 # define Atoul(s) Strtoul(s, NULL, 10) 6368 #endif 6369 6370 #ifndef PERL_SCRIPT_MODE 6371 #define PERL_SCRIPT_MODE "r" 6372 #endif 6373 6374 /* not used. Kept as a NOOP for backcompat */ 6375 #define PERL_STACK_OVERFLOW_CHECK() NOOP 6376 6377 /* 6378 * Some nonpreemptive operating systems find it convenient to 6379 * check for asynchronous conditions after each op execution. 6380 * Keep this check simple, or it may slow down execution 6381 * massively. 6382 */ 6383 6384 #ifndef PERL_MICRO 6385 # ifndef PERL_ASYNC_CHECK 6386 # define PERL_ASYNC_CHECK() if (UNLIKELY(PL_sig_pending)) PL_signalhook(aTHX) 6387 # endif 6388 #endif 6389 6390 #ifndef PERL_ASYNC_CHECK 6391 # define PERL_ASYNC_CHECK() NOOP 6392 #endif 6393 6394 /* 6395 * On some operating systems, a memory allocation may succeed, 6396 * but put the process too close to the system's comfort limit. 6397 * In this case, PERL_ALLOC_CHECK frees the pointer and sets 6398 * it to NULL. 6399 */ 6400 #ifndef PERL_ALLOC_CHECK 6401 #define PERL_ALLOC_CHECK(p) NOOP 6402 #endif 6403 6404 #ifdef HAS_SEM 6405 # include <sys/ipc.h> 6406 # include <sys/sem.h> 6407 # ifndef HAS_UNION_SEMUN /* Provide the union semun. */ 6408 union semun { 6409 int val; 6410 struct semid_ds *buf; 6411 unsigned short *array; 6412 }; 6413 # endif 6414 # ifdef USE_SEMCTL_SEMUN 6415 # ifdef IRIX32_SEMUN_BROKEN_BY_GCC 6416 union gccbug_semun { 6417 int val; 6418 struct semid_ds *buf; 6419 unsigned short *array; 6420 char __dummy[5]; 6421 }; 6422 # define semun gccbug_semun 6423 # endif 6424 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun) 6425 # else 6426 # ifdef USE_SEMCTL_SEMID_DS 6427 # ifdef EXTRA_F_IN_SEMUN_BUF 6428 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff) 6429 # else 6430 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf) 6431 # endif 6432 # endif 6433 # endif 6434 #endif 6435 6436 /* 6437 * Boilerplate macros for initializing and accessing interpreter-local 6438 * data from C. All statics in extensions should be reworked to use 6439 * this, if you want to make the extension thread-safe. See 6440 * ext/XS/APItest/APItest.xs for an example of the use of these macros, 6441 * and perlxs.pod for more. 6442 * 6443 * Code that uses these macros is responsible for the following: 6444 * 1. #define MY_CXT_KEY to a unique string, e.g. 6445 * "DynaLoader::_guts" XS_VERSION 6446 * XXX in the current implementation, this string is ignored. 6447 * 2. Declare a typedef named my_cxt_t that is a structure that contains 6448 * all the data that needs to be interpreter-local. 6449 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t. 6450 * 4. Use the MY_CXT_INIT macro such that it is called exactly once 6451 * (typically put in the BOOT: section). 6452 * 5. Use the members of the my_cxt_t structure everywhere as 6453 * MY_CXT.member. 6454 * 6. Use the dMY_CXT macro (a declaration) in all the functions that 6455 * access MY_CXT. 6456 */ 6457 6458 #if defined(PERL_IMPLICIT_CONTEXT) 6459 6460 /* START_MY_CXT must appear in all extensions that define a my_cxt_t structure, 6461 * right after the definition (i.e. at file scope). The non-threads 6462 * case below uses it to declare the data as static. */ 6463 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 6464 # define START_MY_CXT 6465 # define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY) 6466 # define MY_CXT_INIT_ARG MY_CXT_KEY 6467 # else 6468 # define START_MY_CXT static int my_cxt_index = -1; 6469 # define MY_CXT_INDEX my_cxt_index 6470 # define MY_CXT_INIT_ARG &my_cxt_index 6471 # endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */ 6472 6473 /* Creates and zeroes the per-interpreter data. 6474 * (We allocate my_cxtp in a Perl SV so that it will be released when 6475 * the interpreter goes away.) */ 6476 # define MY_CXT_INIT \ 6477 my_cxt_t *my_cxtp = \ 6478 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \ 6479 PERL_UNUSED_VAR(my_cxtp) 6480 # define MY_CXT_INIT_INTERP(my_perl) \ 6481 my_cxt_t *my_cxtp = \ 6482 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \ 6483 PERL_UNUSED_VAR(my_cxtp) 6484 6485 /* This declaration should be used within all functions that use the 6486 * interpreter-local data. */ 6487 # define dMY_CXT \ 6488 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX] 6489 # define dMY_CXT_INTERP(my_perl) \ 6490 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX] 6491 6492 /* Clones the per-interpreter data. */ 6493 # define MY_CXT_CLONE \ 6494 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\ 6495 void * old_my_cxtp = PL_my_cxt_list[MY_CXT_INDEX]; \ 6496 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp; \ 6497 Copy(old_my_cxtp, my_cxtp, 1, my_cxt_t); 6498 6499 6500 6501 /* This macro must be used to access members of the my_cxt_t structure. 6502 * e.g. MY_CXT.some_data */ 6503 # define MY_CXT (*my_cxtp) 6504 6505 /* Judicious use of these macros can reduce the number of times dMY_CXT 6506 * is used. Use is similar to pTHX, aTHX etc. */ 6507 # define pMY_CXT my_cxt_t *my_cxtp 6508 # define pMY_CXT_ pMY_CXT, 6509 # define _pMY_CXT ,pMY_CXT 6510 # define aMY_CXT my_cxtp 6511 # define aMY_CXT_ aMY_CXT, 6512 # define _aMY_CXT ,aMY_CXT 6513 6514 #else /* PERL_IMPLICIT_CONTEXT */ 6515 6516 # define START_MY_CXT static my_cxt_t my_cxt; 6517 # define dMY_CXT_SV dNOOP 6518 # define dMY_CXT dNOOP 6519 # define dMY_CXT_INTERP(my_perl) dNOOP 6520 # define MY_CXT_INIT NOOP 6521 # define MY_CXT_CLONE NOOP 6522 # define MY_CXT my_cxt 6523 6524 # define pMY_CXT void 6525 # define pMY_CXT_ 6526 # define _pMY_CXT 6527 # define aMY_CXT 6528 # define aMY_CXT_ 6529 # define _aMY_CXT 6530 6531 #endif /* !defined(PERL_IMPLICIT_CONTEXT) */ 6532 6533 #ifdef I_FCNTL 6534 # include <fcntl.h> 6535 #endif 6536 6537 #ifdef __Lynx__ 6538 # include <fcntl.h> 6539 #endif 6540 6541 #ifdef __amigaos4__ 6542 # undef FD_CLOEXEC /* a lie in AmigaOS */ 6543 #endif 6544 6545 #ifdef I_SYS_FILE 6546 # include <sys/file.h> 6547 #endif 6548 6549 #if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO) 6550 int flock(int fd, int op); 6551 #endif 6552 6553 #ifndef O_RDONLY 6554 /* Assume UNIX defaults */ 6555 # define O_RDONLY 0000 6556 # define O_WRONLY 0001 6557 # define O_RDWR 0002 6558 # define O_CREAT 0100 6559 #endif 6560 6561 #ifndef O_BINARY 6562 # define O_BINARY 0 6563 #endif 6564 6565 #ifndef O_TEXT 6566 # define O_TEXT 0 6567 #endif 6568 6569 #if O_TEXT != O_BINARY 6570 /* If you have different O_TEXT and O_BINARY and you are a CRLF shop, 6571 * that is, you are somehow DOSish. */ 6572 # if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__) 6573 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect; 6574 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */ 6575 /* VOS has O_TEXT != O_BINARY, and they have effect, 6576 * but VOS always uses LF, never CRLF. */ 6577 /* If you have O_TEXT different from your O_BINARY but you still are 6578 * not a CRLF shop. */ 6579 # undef PERLIO_USING_CRLF 6580 # else 6581 /* If you really are DOSish. */ 6582 # define PERLIO_USING_CRLF 1 6583 # endif 6584 #endif 6585 6586 #ifdef I_LIBUTIL 6587 # include <libutil.h> /* setproctitle() in some FreeBSDs */ 6588 #endif 6589 6590 #ifndef EXEC_ARGV_CAST 6591 #define EXEC_ARGV_CAST(x) (char **)x 6592 #endif 6593 6594 #define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not 6595 int). value returned in pointed- 6596 to UV */ 6597 #define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */ 6598 #define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation or infnan */ 6599 #define IS_NUMBER_NEG 0x08 /* leading minus sign */ 6600 #define IS_NUMBER_INFINITY 0x10 /* this is big */ 6601 #define IS_NUMBER_NAN 0x20 /* this is not */ 6602 #define IS_NUMBER_TRAILING 0x40 /* number has trailing trash */ 6603 6604 #define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send) 6605 6606 /* Input flags: */ 6607 #define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */ 6608 #define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */ 6609 #define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */ 6610 #define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large 6611 numbers which are <= UV_MAX */ 6612 #define PERL_SCAN_TRAILING 0x10 /* grok_number_flags() allow trailing 6613 and set IS_NUMBER_TRAILING */ 6614 6615 /* Output flags: */ 6616 #define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */ 6617 6618 /* to let user control profiling */ 6619 #ifdef PERL_GPROF_CONTROL 6620 extern void moncontrol(int); 6621 #define PERL_GPROF_MONCONTROL(x) moncontrol(x) 6622 #else 6623 #define PERL_GPROF_MONCONTROL(x) 6624 #endif 6625 6626 #ifdef UNDER_CE 6627 #include "wince.h" 6628 #endif 6629 6630 /* ISO 6429 NEL - C1 control NExt Line */ 6631 /* See http://www.unicode.org/unicode/reports/tr13/ */ 6632 #define NEXT_LINE_CHAR NEXT_LINE_NATIVE 6633 6634 #ifndef PIPESOCK_MODE 6635 # define PIPESOCK_MODE 6636 #endif 6637 6638 #ifndef SOCKET_OPEN_MODE 6639 # define SOCKET_OPEN_MODE PIPESOCK_MODE 6640 #endif 6641 6642 #ifndef PIPE_OPEN_MODE 6643 # define PIPE_OPEN_MODE PIPESOCK_MODE 6644 #endif 6645 6646 #define PERL_MAGIC_UTF8_CACHESIZE 2 6647 6648 #define PERL_UNICODE_STDIN_FLAG 0x0001 6649 #define PERL_UNICODE_STDOUT_FLAG 0x0002 6650 #define PERL_UNICODE_STDERR_FLAG 0x0004 6651 #define PERL_UNICODE_IN_FLAG 0x0008 6652 #define PERL_UNICODE_OUT_FLAG 0x0010 6653 #define PERL_UNICODE_ARGV_FLAG 0x0020 6654 #define PERL_UNICODE_LOCALE_FLAG 0x0040 6655 #define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */ 6656 #define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100 6657 6658 #define PERL_UNICODE_STD_FLAG \ 6659 (PERL_UNICODE_STDIN_FLAG | \ 6660 PERL_UNICODE_STDOUT_FLAG | \ 6661 PERL_UNICODE_STDERR_FLAG) 6662 6663 #define PERL_UNICODE_INOUT_FLAG \ 6664 (PERL_UNICODE_IN_FLAG | \ 6665 PERL_UNICODE_OUT_FLAG) 6666 6667 #define PERL_UNICODE_DEFAULT_FLAGS \ 6668 (PERL_UNICODE_STD_FLAG | \ 6669 PERL_UNICODE_INOUT_FLAG | \ 6670 PERL_UNICODE_LOCALE_FLAG) 6671 6672 #define PERL_UNICODE_ALL_FLAGS 0x01ff 6673 6674 #define PERL_UNICODE_STDIN 'I' 6675 #define PERL_UNICODE_STDOUT 'O' 6676 #define PERL_UNICODE_STDERR 'E' 6677 #define PERL_UNICODE_STD 'S' 6678 #define PERL_UNICODE_IN 'i' 6679 #define PERL_UNICODE_OUT 'o' 6680 #define PERL_UNICODE_INOUT 'D' 6681 #define PERL_UNICODE_ARGV 'A' 6682 #define PERL_UNICODE_LOCALE 'L' 6683 #define PERL_UNICODE_WIDESYSCALLS 'W' 6684 #define PERL_UNICODE_UTF8CACHEASSERT 'a' 6685 6686 #define PERL_SIGNALS_UNSAFE_FLAG 0x0001 6687 6688 /* Use instead of abs() since abs() forces its argument to be an int, 6689 * but also beware since this evaluates its argument twice, so no x++. */ 6690 #define PERL_ABS(x) ((x) < 0 ? -(x) : (x)) 6691 6692 #if defined(__DECC) && defined(__osf__) 6693 #pragma message disable (mainparm) /* Perl uses the envp in main(). */ 6694 #endif 6695 6696 #define do_open(g, n, l, a, rm, rp, sf) \ 6697 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0) 6698 #ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION 6699 # define do_exec(cmd) do_exec3(cmd,0,0) 6700 #endif 6701 #ifdef OS2 6702 # define do_aexec Perl_do_aexec 6703 #else 6704 # define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0) 6705 #endif 6706 6707 /* check embedded \0 characters in pathnames passed to syscalls, 6708 but allow one ending \0 */ 6709 #define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name))) 6710 6711 #define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name)) 6712 6713 #if defined(OEMVS) || defined(__amigaos4__) 6714 #define NO_ENV_ARRAY_IN_MAIN 6715 #endif 6716 6717 /* These are used by Perl_pv_escape() and Perl_pv_pretty() 6718 * are here so that they are available throughout the core 6719 * NOTE that even though some are for _escape and some for _pretty 6720 * there must not be any clashes as the flags from _pretty are 6721 * passed straight through to _escape. 6722 */ 6723 6724 #define PERL_PV_ESCAPE_QUOTE 0x000001 6725 #define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE 6726 6727 #define PERL_PV_PRETTY_ELLIPSES 0x000002 6728 #define PERL_PV_PRETTY_LTGT 0x000004 6729 #define PERL_PV_PRETTY_EXACTSIZE 0x000008 6730 6731 #define PERL_PV_ESCAPE_UNI 0x000100 6732 #define PERL_PV_ESCAPE_UNI_DETECT 0x000200 6733 #define PERL_PV_ESCAPE_NONASCII 0x000400 6734 #define PERL_PV_ESCAPE_FIRSTCHAR 0x000800 6735 6736 #define PERL_PV_ESCAPE_ALL 0x001000 6737 #define PERL_PV_ESCAPE_NOBACKSLASH 0x002000 6738 #define PERL_PV_ESCAPE_NOCLEAR 0x004000 6739 #define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR 6740 #define PERL_PV_ESCAPE_RE 0x008000 6741 6742 #define PERL_PV_ESCAPE_DWIM 0x010000 6743 6744 6745 /* used by pv_display in dump.c*/ 6746 #define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE 6747 #define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII 6748 6749 #if DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN || \ 6750 DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN || \ 6751 DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN 6752 # define DOUBLE_LITTLE_ENDIAN 6753 #endif 6754 6755 #if DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN || \ 6756 DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN || \ 6757 DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN 6758 # define DOUBLE_BIG_ENDIAN 6759 #endif 6760 6761 #if DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE || \ 6762 DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE 6763 # define DOUBLE_MIX_ENDIAN 6764 #endif 6765 6766 /* All the basic IEEE formats have the implicit bit, 6767 * except for the x86 80-bit extended formats, which will undef this. 6768 * Also note that the IEEE 754 subnormals (formerly known as denormals) 6769 * do not have the implicit bit of one. */ 6770 #define NV_IMPLICIT_BIT 6771 6772 #ifdef LONG_DOUBLEKIND 6773 6774 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN || \ 6775 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN || \ 6776 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE 6777 # define LONGDOUBLE_LITTLE_ENDIAN 6778 # endif 6779 6780 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN || \ 6781 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN || \ 6782 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE 6783 # define LONGDOUBLE_BIG_ENDIAN 6784 # endif 6785 6786 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE || \ 6787 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE 6788 # define LONGDOUBLE_MIX_ENDIAN 6789 # endif 6790 6791 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN || \ 6792 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN 6793 # define LONGDOUBLE_X86_80_BIT 6794 # ifdef USE_LONG_DOUBLE 6795 # undef NV_IMPLICIT_BIT 6796 # define NV_X86_80_BIT 6797 # endif 6798 # endif 6799 6800 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE || \ 6801 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE || \ 6802 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE || \ 6803 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE 6804 # define LONGDOUBLE_DOUBLEDOUBLE 6805 # endif 6806 6807 #endif /* LONG_DOUBLEKIND */ 6808 6809 #ifdef USE_QUADMATH /* assume quadmath endianness == native double endianness */ 6810 # if defined(DOUBLE_LITTLE_ENDIAN) 6811 # define NV_LITTLE_ENDIAN 6812 # elif defined(DOUBLE_BIG_ENDIAN) 6813 # define NV_BIG_ENDIAN 6814 # elif defined(DOUBLE_MIX_ENDIAN) /* stretch */ 6815 # define NV_MIX_ENDIAN 6816 # endif 6817 #elif NVSIZE == DOUBLESIZE 6818 # ifdef DOUBLE_LITTLE_ENDIAN 6819 # define NV_LITTLE_ENDIAN 6820 # endif 6821 # ifdef DOUBLE_BIG_ENDIAN 6822 # define NV_BIG_ENDIAN 6823 # endif 6824 # ifdef DOUBLE_MIX_ENDIAN 6825 # define NV_MIX_ENDIAN 6826 # endif 6827 #elif NVSIZE == LONG_DOUBLESIZE 6828 # ifdef LONGDOUBLE_LITTLE_ENDIAN 6829 # define NV_LITTLE_ENDIAN 6830 # endif 6831 # ifdef LONGDOUBLE_BIG_ENDIAN 6832 # define NV_BIG_ENDIAN 6833 # endif 6834 # ifdef LONGDOUBLE_MIX_ENDIAN 6835 # define NV_MIX_ENDIAN 6836 # endif 6837 #endif 6838 6839 /* NaNs (not-a-numbers) can carry payload bits, in addition to 6840 * "nan-ness". Part of the payload is the quiet/signaling bit. 6841 * To back up a bit (harhar): 6842 * 6843 * For IEEE 754 64-bit formats [1]: 6844 * 6845 * s 000 (mantissa all-zero) zero 6846 * s 000 (mantissa non-zero) subnormals (denormals) 6847 * s 001 ... 7fe normals 6848 * s 7ff q nan 6849 * 6850 * For IEEE 754 128-bit formats: 6851 * 6852 * s 0000 (mantissa all-zero) zero 6853 * s 0000 (mantissa non-zero) subnormals (denormals) 6854 * s 0001 ... 7ffe normals 6855 * s 7fff q nan 6856 * 6857 * [1] this looks like big-endian, but applies equally to little-endian. 6858 * 6859 * s = Sign bit. Yes, zeros and nans can have negative sign, 6860 * the interpretation is application-specific. 6861 * 6862 * q = Quietness bit, the interpretation is platform-specific. 6863 * Most platforms have the most significant bit being one 6864 * meaning quiet, but some (older mips, hppa) have the msb 6865 * being one meaning signaling. Note that the above means 6866 * that on most platforms there cannot be signaling nan with 6867 * zero payload because that is identical with infinity; 6868 * while conversely on older mips/hppa there cannot be a quiet nan 6869 * because that is identical with infinity. 6870 * 6871 * Moreover, whether there is any behavioral difference 6872 * between quiet and signaling NaNs, depends on the platform. 6873 * 6874 * x86 80-bit extended precision is different, the mantissa bits: 6875 * 6876 * 63 62 61 30387+ pre-387 visual c 6877 * -------- ---- -------- -------- 6878 * 0 0 0 invalid infinity 6879 * 0 0 1 invalid snan 6880 * 0 1 0 invalid snan 6881 * 0 1 1 invalid snan 6882 * 1 0 0 infinity snan 1.#INF 6883 * 1 0 1 snan 1.#SNAN 6884 * 1 1 0 qnan -1.#IND (x86 chooses this to negative) 6885 * 1 1 1 qnan 1.#QNAN 6886 * 6887 * This means that in this format there are 61 bits available 6888 * for the nan payload. 6889 * 6890 * Note that the 32-bit x86 ABI cannot do signaling nans: the x87 6891 * simply cannot preserve the bit. You can either use the 80-bit 6892 * extended precision (long double, -Duselongdouble), or use x86-64. 6893 * 6894 * In all platforms, the payload bytes (and bits, some of them are 6895 * often in a partial byte) themselves can be either all zero (x86), 6896 * all one (sparc or mips), or a mixture: in IEEE 754 128-bit double 6897 * or in a double-double, the first half of the payload can follow the 6898 * native double, while in the second half the payload can be all 6899 * zeros. (Therefore the mask for payload bits is not necessarily 6900 * identical to bit complement of the NaN.) Another way of putting 6901 * this: the payload for the default NaN might not be zero. 6902 * 6903 * For the x86 80-bit long doubles, the trailing bytes (the 80 bits 6904 * being 'packaged' in either 12 or 16 bytes) can be whatever random 6905 * garbage. 6906 * 6907 * Furthermore, the semantics of the sign bit on NaNs are platform-specific. 6908 * On normal floats, the sign bit being on means negative. But this may, 6909 * or may not, be reverted on NaNs: in other words, the default NaN might 6910 * have the sign bit on, and therefore look like negative if you look 6911 * at it at the bit level. 6912 * 6913 * NaN payloads are not propagated even on copies, or in arithmetics. 6914 * They *might* be, according to some rules, on your particular 6915 * cpu/os/compiler/libraries, but no guarantees. 6916 * 6917 * To summarize, on most platforms, and for 64-bit doubles 6918 * (using big-endian ordering here): 6919 * 6920 * [7FF8000000000000..7FFFFFFFFFFFFFFF] quiet 6921 * [FFF8000000000000..FFFFFFFFFFFFFFFF] quiet 6922 * [7FF0000000000001..7FF7FFFFFFFFFFFF] signaling 6923 * [FFF0000000000001..FFF7FFFFFFFFFFFF] signaling 6924 * 6925 * The C99 nan() is supposed to generate *quiet* NaNs. 6926 * 6927 * Note the asymmetry: 6928 * The 7FF0000000000000 is positive infinity, 6929 * the FFF0000000000000 is negative infinity. 6930 */ 6931 6932 /* NVMANTBITS is the number of _real_ mantissa bits in an NV. 6933 * For the standard IEEE 754 fp this number is usually one less that 6934 * *DBL_MANT_DIG because of the implicit (aka hidden) bit, which isn't 6935 * real. For the 80-bit extended precision formats (x86*), the number 6936 * of mantissa bits... depends. For normal floats, it's 64. But for 6937 * the inf/nan, it's different (zero for inf, 61 for nan). 6938 * NVMANTBITS works for normal floats. */ 6939 6940 /* We do not want to include the quiet/signaling bit. */ 6941 #define NV_NAN_BITS (NVMANTBITS - 1) 6942 6943 #if defined(USE_LONG_DOUBLE) && NVSIZE > DOUBLESIZE 6944 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN 6945 # define NV_NAN_QS_BYTE_OFFSET 13 6946 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN 6947 # define NV_NAN_QS_BYTE_OFFSET 2 6948 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN 6949 # define NV_NAN_QS_BYTE_OFFSET 7 6950 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN 6951 # define NV_NAN_QS_BYTE_OFFSET 2 6952 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE 6953 # define NV_NAN_QS_BYTE_OFFSET 13 6954 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE 6955 # define NV_NAN_QS_BYTE_OFFSET 1 6956 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE 6957 # define NV_NAN_QS_BYTE_OFFSET 9 6958 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE 6959 # define NV_NAN_QS_BYTE_OFFSET 6 6960 # else 6961 # error "Unexpected long double format" 6962 # endif 6963 #else 6964 # ifdef USE_QUADMATH 6965 # ifdef NV_LITTLE_ENDIAN 6966 # define NV_NAN_QS_BYTE_OFFSET 13 6967 # elif defined(NV_BIG_ENDIAN) 6968 # define NV_NAN_QS_BYTE_OFFSET 2 6969 # else 6970 # error "Unexpected quadmath format" 6971 # endif 6972 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN 6973 # define NV_NAN_QS_BYTE_OFFSET 2 6974 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN 6975 # define NV_NAN_QS_BYTE_OFFSET 1 6976 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN 6977 # define NV_NAN_QS_BYTE_OFFSET 6 6978 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN 6979 # define NV_NAN_QS_BYTE_OFFSET 1 6980 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN 6981 # define NV_NAN_QS_BYTE_OFFSET 13 6982 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN 6983 # define NV_NAN_QS_BYTE_OFFSET 2 6984 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE 6985 # define NV_NAN_QS_BYTE_OFFSET 2 /* bytes 4 5 6 7 0 1 2 3 (MSB 7) */ 6986 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE 6987 # define NV_NAN_QS_BYTE_OFFSET 5 /* bytes 3 2 1 0 7 6 5 4 (MSB 7) */ 6988 # else 6989 # error "Unexpected double format" 6990 # endif 6991 #endif 6992 /* NV_NAN_QS_BYTE is the byte to test for the quiet/signaling */ 6993 #define NV_NAN_QS_BYTE(nvp) (((U8*)(nvp))[NV_NAN_QS_BYTE_OFFSET]) 6994 /* NV_NAN_QS_BIT is the bit to test in the NV_NAN_QS_BYTE_OFFSET 6995 * for the quiet/signaling */ 6996 #if defined(USE_LONG_DOUBLE) && \ 6997 (LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN || \ 6998 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN) 6999 # define NV_NAN_QS_BIT_SHIFT 6 /* 0x40 */ 7000 #elif defined(USE_LONG_DOUBLE) && \ 7001 (LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE || \ 7002 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE || \ 7003 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE || \ 7004 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE) 7005 # define NV_NAN_QS_BIT_SHIFT 3 /* 0x08, but not via NV_NAN_BITS */ 7006 #else 7007 # define NV_NAN_QS_BIT_SHIFT ((NV_NAN_BITS) % 8) /* usually 3, or 0x08 */ 7008 #endif 7009 #define NV_NAN_QS_BIT (1 << (NV_NAN_QS_BIT_SHIFT)) 7010 /* NV_NAN_QS_BIT_OFFSET is the bit offset from the beginning of a NV 7011 * (bytes ordered big-endianly) for the quiet/signaling bit 7012 * for the quiet/signaling */ 7013 #define NV_NAN_QS_BIT_OFFSET \ 7014 (8 * (NV_NAN_QS_BYTE_OFFSET) + (NV_NAN_QS_BIT_SHIFT)) 7015 /* NV_NAN_QS_QUIET (always defined) is true if the NV_NAN_QS_QS_BIT being 7016 * on indicates quiet NaN. NV_NAN_QS_SIGNALING (also always defined) 7017 * is true if the NV_NAN_QS_BIT being on indicates signaling NaN. */ 7018 #define NV_NAN_QS_QUIET \ 7019 ((NV_NAN_QS_BYTE(PL_nan.u8) & NV_NAN_QS_BIT) == NV_NAN_QS_BIT) 7020 #define NV_NAN_QS_SIGNALING (!(NV_NAN_QS_QUIET)) 7021 #define NV_NAN_QS_TEST(nvp) (NV_NAN_QS_BYTE(nvp) & NV_NAN_QS_BIT) 7022 /* NV_NAN_IS_QUIET() returns true if the NV behind nvp is a NaN, 7023 * whether it is a quiet NaN, NV_NAN_IS_SIGNALING() if a signaling NaN. 7024 * Note however that these do not check whether the nvp is a NaN. */ 7025 #define NV_NAN_IS_QUIET(nvp) \ 7026 (NV_NAN_QS_TEST(nvp) == (NV_NAN_QS_QUIET ? NV_NAN_QS_BIT : 0)) 7027 #define NV_NAN_IS_SIGNALING(nvp) \ 7028 (NV_NAN_QS_TEST(nvp) == (NV_NAN_QS_QUIET ? 0 : NV_NAN_QS_BIT)) 7029 #define NV_NAN_SET_QUIET(nvp) \ 7030 (NV_NAN_QS_QUIET ? \ 7031 (NV_NAN_QS_BYTE(nvp) |= NV_NAN_QS_BIT) : \ 7032 (NV_NAN_QS_BYTE(nvp) &= ~NV_NAN_QS_BIT)) 7033 #define NV_NAN_SET_SIGNALING(nvp) \ 7034 (NV_NAN_QS_QUIET ? \ 7035 (NV_NAN_QS_BYTE(nvp) &= ~NV_NAN_QS_BIT) : \ 7036 (NV_NAN_QS_BYTE(nvp) |= NV_NAN_QS_BIT)) 7037 #define NV_NAN_QS_XOR(nvp) (NV_NAN_QS_BYTE(nvp) ^= NV_NAN_QS_BIT) 7038 7039 /* NV_NAN_PAYLOAD_MASK: masking the nan payload bits. 7040 * 7041 * NV_NAN_PAYLOAD_PERM: permuting the nan payload bytes. 7042 * 0xFF means "don't go here".*/ 7043 7044 /* Shorthands to avoid typoses. */ 7045 #define NV_NAN_PAYLOAD_MASK_SKIP_EIGHT \ 7046 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 7047 #define NV_NAN_PAYLOAD_PERM_SKIP_EIGHT \ 7048 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff 7049 #define NV_NAN_PAYLOAD_PERM_0_TO_7 \ 7050 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7 7051 #define NV_NAN_PAYLOAD_PERM_7_TO_0 \ 7052 0x7, 0x6, 0x5, 0x4, 0x3, 0x2, 0x1, 0x0 7053 #define NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE \ 7054 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ 7055 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, 0x00, 0x00 7056 #define NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE \ 7057 NV_NAN_PAYLOAD_PERM_0_TO_7, \ 7058 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xFF, 0xFF 7059 #define NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE \ 7060 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, \ 7061 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff 7062 #define NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE \ 7063 0xFF, 0xFF, 0xd, 0xc, 0xb, 0xa, 0x9, 0x8, \ 7064 NV_NAN_PAYLOAD_PERM_7_TO_0 7065 #define NV_NAN_PAYLOAD_MASK_IEEE_754_64_LE \ 7066 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x00 7067 #define NV_NAN_PAYLOAD_PERM_IEEE_754_64_LE \ 7068 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0xFF 7069 #define NV_NAN_PAYLOAD_MASK_IEEE_754_64_BE \ 7070 0x00, 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff 7071 #define NV_NAN_PAYLOAD_PERM_IEEE_754_64_BE \ 7072 0xFF, 0x6, 0x5, 0x4, 0x3, 0x2, 0x1, 0x0 7073 7074 #if defined(USE_LONG_DOUBLE) && NVSIZE > DOUBLESIZE 7075 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN 7076 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE 7077 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE 7078 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN 7079 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE 7080 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE 7081 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN 7082 # if LONG_DOUBLESIZE == 10 7083 # define NV_NAN_PAYLOAD_MASK \ 7084 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, \ 7085 0x00, 0x00 7086 # define NV_NAN_PAYLOAD_PERM \ 7087 NV_NAN_PAYLOAD_PERM_0_TO_7, 0xFF, 0xFF 7088 # elif LONG_DOUBLESIZE == 12 7089 # define NV_NAN_PAYLOAD_MASK \ 7090 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, \ 7091 0x00, 0x00, 0x00, 0x00 7092 # define NV_NAN_PAYLOAD_PERM \ 7093 NV_NAN_PAYLOAD_PERM_0_TO_7, 0xFF, 0xFF, 0xFF, 0xFF 7094 # elif LONG_DOUBLESIZE == 16 7095 # define NV_NAN_PAYLOAD_MASK \ 7096 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, \ 7097 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 7098 # define NV_NAN_PAYLOAD_PERM \ 7099 NV_NAN_PAYLOAD_PERM_0_TO_7, \ 7100 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF 7101 # else 7102 # error "Unexpected x86 80-bit little-endian long double format" 7103 # endif 7104 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN 7105 # if LONG_DOUBLESIZE == 10 7106 # define NV_NAN_PAYLOAD_MASK \ 7107 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, \ 7108 0xff, 0xff 7109 # define NV_NAN_PAYLOAD_PERM \ 7110 NV_NAN_PAYLOAD_PERM_7_TO_0, 0xFF, 0xFF 7111 # elif LONG_DOUBLESIZE == 12 7112 # define NV_NAN_PAYLOAD_MASK \ 7113 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, \ 7114 0xff, 0xff, 0x00, 0x00 7115 # define NV_NAN_PAYLOAD_PERM \ 7116 NV_NAN_PAYLOAD_PERM_7_TO_0, 0xFF, 0xFF, 0xFF, 0xFF 7117 # elif LONG_DOUBLESIZE == 16 7118 # define NV_NAN_PAYLOAD_MASK \ 7119 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, \ 7120 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 7121 # define NV_NAN_PAYLOAD_PERM \ 7122 NV_NAN_PAYLOAD_PERM_7_TO_0, \ 7123 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF 7124 # else 7125 # error "Unexpected x86 80-bit big-endian long double format" 7126 # endif 7127 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE 7128 /* For double-double we assume only the first double (in LE or BE terms) 7129 * is used for NaN. */ 7130 # define NV_NAN_PAYLOAD_MASK \ 7131 NV_NAN_PAYLOAD_MASK_SKIP_EIGHT, NV_NAN_PAYLOAD_MASK_IEEE_754_64_LE 7132 # define NV_NAN_PAYLOAD_PERM \ 7133 NV_NAN_PAYLOAD_PERM_SKIP_EIGHT, NV_NAN_PAYLOAD_PERM_IEEE_754_64_LE 7134 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE 7135 # define NV_NAN_PAYLOAD_MASK \ 7136 NV_NAN_PAYLOAD_MASK_IEEE_754_64_BE 7137 # define NV_NAN_PAYLOAD_PERM \ 7138 NV_NAN_PAYLOAD_PERM_IEEE_754_64_BE 7139 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE 7140 # define NV_NAN_PAYLOAD_MASK \ 7141 NV_NAN_PAYLOAD_MASK_IEEE_754_64_LE 7142 # define NV_NAN_PAYLOAD_PERM \ 7143 NV_NAN_PAYLOAD_PERM_IEEE_754_64_LE 7144 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE 7145 # define NV_NAN_PAYLOAD_MASK \ 7146 NV_NAN_PAYLOAD_MASK_SKIP_EIGHT, NV_NAN_PAYLOAD_MASK_IEEE_754_64_BE 7147 # define NV_NAN_PAYLOAD_PERM \ 7148 NV_NAN_PAYLOAD_PERM_SKIP_EIGHT, NV_NAN_PAYLOAD_PERM_IEEE_754_64_BE 7149 # else 7150 # error "Unexpected long double format" 7151 # endif 7152 #else 7153 # ifdef USE_QUADMATH /* quadmath is not long double */ 7154 # ifdef NV_LITTLE_ENDIAN 7155 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE 7156 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE 7157 # elif defined(NV_BIG_ENDIAN) 7158 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE 7159 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE 7160 # else 7161 # error "Unexpected quadmath format" 7162 # endif 7163 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN 7164 # define NV_NAN_PAYLOAD_MASK 0xff, 0xff, 0x07, 0x00 7165 # define NV_NAN_PAYLOAD_PERM 0x0, 0x1, 0x2, 0xFF 7166 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN 7167 # define NV_NAN_PAYLOAD_MASK 0x00, 0x07, 0xff, 0xff 7168 # define NV_NAN_PAYLOAD_PERM 0xFF, 0x2, 0x1, 0x0 7169 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN 7170 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_64_LE 7171 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_64_LE 7172 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN 7173 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_64_BE 7174 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_64_BE 7175 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN 7176 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE 7177 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE 7178 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN 7179 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE 7180 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE 7181 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE 7182 # define NV_NAN_PAYLOAD_MASK 0xff, 0xff, 0x07, 0x00, 0xff, 0xff, 0xff, 0xff 7183 # define NV_NAN_PAYLOAD_PERM 0x4, 0x5, 0x6, 0xFF, 0x0, 0x1, 0x2, 0x3 7184 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE 7185 # define NV_NAN_PAYLOAD_MASK 0xff, 0xff, 0xff, 0xff, 0x00, 0x07, 0xff, 0xff 7186 # define NV_NAN_PAYLOAD_PERM 0x3, 0x2, 0x1, 0x0, 0xFF, 0x6, 0x5, 0x4 7187 # else 7188 # error "Unexpected double format" 7189 # endif 7190 #endif 7191 /* 7192 7193 (KEEP THIS LAST IN perl.h!) 7194 7195 Mention 7196 7197 NV_PRESERVES_UV 7198 7199 HAS_MKSTEMP 7200 HAS_MKSTEMPS 7201 HAS_MKDTEMP 7202 7203 HAS_GETCWD 7204 7205 HAS_MMAP 7206 HAS_MPROTECT 7207 HAS_MSYNC 7208 HAS_MADVISE 7209 HAS_MUNMAP 7210 I_SYSMMAN 7211 Mmap_t 7212 7213 NVef 7214 NVff 7215 NVgf 7216 7217 HAS_UALARM 7218 HAS_USLEEP 7219 7220 HAS_SETITIMER 7221 HAS_GETITIMER 7222 7223 HAS_SENDMSG 7224 HAS_RECVMSG 7225 HAS_READV 7226 HAS_WRITEV 7227 I_SYSUIO 7228 HAS_STRUCT_MSGHDR 7229 HAS_STRUCT_CMSGHDR 7230 7231 HAS_NL_LANGINFO 7232 7233 HAS_DIRFD 7234 7235 so that Configure picks them up. 7236 7237 (KEEP THIS LAST IN perl.h!) 7238 7239 */ 7240 7241 #endif /* Include guard */ 7242 7243 /* 7244 * ex: set ts=8 sts=4 sw=4 et: 7245 */ 7246