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 /* See L<perlguts/"The Perl API"> for detailed notes on 32 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */ 33 34 /* Note that from here --> to <-- the same logic is 35 * repeated in makedef.pl, so be certain to update 36 * both places when editing. */ 37 38 #ifdef USE_ITHREADS 39 # if !defined(MULTIPLICITY) 40 # define MULTIPLICITY 41 # endif 42 #endif 43 44 #ifdef PERL_GLOBAL_STRUCT_PRIVATE 45 # ifndef PERL_GLOBAL_STRUCT 46 # define PERL_GLOBAL_STRUCT 47 # endif 48 #endif 49 50 #ifdef PERL_GLOBAL_STRUCT 51 # ifndef MULTIPLICITY 52 # define MULTIPLICITY 53 # endif 54 #endif 55 56 #ifdef MULTIPLICITY 57 # ifndef PERL_IMPLICIT_CONTEXT 58 # define PERL_IMPLICIT_CONTEXT 59 # endif 60 #endif 61 62 /* undef WIN32 when building on Cygwin (for libwin32) - gph */ 63 #ifdef __CYGWIN__ 64 # undef WIN32 65 # undef _WIN32 66 #endif 67 68 #if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS)) 69 # ifndef SYMBIAN 70 # define SYMBIAN 71 # endif 72 #endif 73 74 #ifdef __SYMBIAN32__ 75 # include "symbian/symbian_proto.h" 76 #endif 77 78 /* Any stack-challenged places. The limit varies (and often 79 * is configurable), but using more than a kilobyte of stack 80 * is usually dubious in these systems. */ 81 #if defined(__SYMBIAN32__) 82 /* Symbian: need to work around the SDK features. * 83 * On WINS: MS VC5 generates calls to _chkstk, * 84 * if a "large" stack frame is allocated. * 85 * gcc on MARM does not generate calls like these. */ 86 # define USE_HEAP_INSTEAD_OF_STACK 87 #endif 88 89 /* Use the reentrant APIs like localtime_r and getpwent_r */ 90 /* Win32 has naturally threadsafe libraries, no need to use any _r variants. */ 91 #if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN) 92 # define USE_REENTRANT_API 93 #endif 94 95 /* <--- here ends the logic shared by perl.h and makedef.pl */ 96 97 /* Microsoft Visual C++ 6.0 needs special treatment in numerous places */ 98 #if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300 99 # define USING_MSVC6 100 #endif 101 102 #undef START_EXTERN_C 103 #undef END_EXTERN_C 104 #undef EXTERN_C 105 #ifdef __cplusplus 106 # define START_EXTERN_C extern "C" { 107 # define END_EXTERN_C } 108 # define EXTERN_C extern "C" 109 #else 110 # define START_EXTERN_C 111 # define END_EXTERN_C 112 # define EXTERN_C extern 113 #endif 114 115 /* Fallback definitions in case we don't have definitions from config.h. 116 This should only matter for systems that don't use Configure and 117 haven't been modified to define PERL_STATIC_INLINE yet. 118 */ 119 #if !defined(PERL_STATIC_INLINE) 120 # ifdef HAS_STATIC_INLINE 121 # define PERL_STATIC_INLINE static inline 122 # else 123 # define PERL_STATIC_INLINE static 124 # endif 125 #endif 126 127 #ifdef PERL_GLOBAL_STRUCT 128 # ifndef PERL_GET_VARS 129 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 130 EXTERN_C struct perl_vars* Perl_GetVarsPrivate(); 131 # define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */ 132 # ifndef PERLIO_FUNCS_CONST 133 # define PERLIO_FUNCS_CONST /* Can't have these lying around. */ 134 # endif 135 # else 136 # define PERL_GET_VARS() PL_VarsPtr 137 # endif 138 # endif 139 #endif 140 141 #define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL 142 143 #ifdef PERL_GLOBAL_STRUCT 144 # define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS() 145 #else 146 # define dVAR dNOOP 147 #endif 148 149 #ifdef PERL_IMPLICIT_CONTEXT 150 # ifndef MULTIPLICITY 151 # define MULTIPLICITY 152 # endif 153 # define tTHX PerlInterpreter* 154 # define pTHX tTHX my_perl PERL_UNUSED_DECL 155 # define aTHX my_perl 156 # define aTHXa(a) aTHX = (tTHX)a 157 # ifdef PERL_GLOBAL_STRUCT 158 # define dTHXa(a) dVAR; pTHX = (tTHX)a 159 # else 160 # define dTHXa(a) pTHX = (tTHX)a 161 # endif 162 # ifdef PERL_GLOBAL_STRUCT 163 # define dTHX dVAR; pTHX = PERL_GET_THX 164 # else 165 # define dTHX pTHX = PERL_GET_THX 166 # endif 167 # define pTHX_ pTHX, 168 # define aTHX_ aTHX, 169 # define pTHX_1 2 170 # define pTHX_2 3 171 # define pTHX_3 4 172 # define pTHX_4 5 173 # define pTHX_5 6 174 # define pTHX_6 7 175 # define pTHX_7 8 176 # define pTHX_8 9 177 # define pTHX_9 10 178 # define pTHX_12 13 179 # if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL) 180 # define PERL_TRACK_MEMPOOL 181 # endif 182 #else 183 # undef PERL_TRACK_MEMPOOL 184 #endif 185 186 #define STATIC static 187 188 #ifndef PERL_CORE 189 /* Do not use these macros. They were part of PERL_OBJECT, which was an 190 * implementation of multiplicity using C++ objects. They have been left 191 * here solely for the sake of XS code which has incorrectly 192 * cargo-culted them. 193 */ 194 #define CPERLscope(x) x 195 #define CPERLarg void 196 #define CPERLarg_ 197 #define _CPERLarg 198 #define PERL_OBJECT_THIS 199 #define _PERL_OBJECT_THIS 200 #define PERL_OBJECT_THIS_ 201 #define CALL_FPTR(fptr) (*fptr) 202 #define MEMBER_TO_FPTR(name) name 203 #endif /* !PERL_CORE */ 204 205 #define CALLRUNOPS PL_runops 206 207 #define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags)) 208 209 #define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags) 210 #define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \ 211 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \ 212 (strbeg),(minend),(sv),(data),(flags)) 213 #define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \ 214 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \ 215 (strend),(flags),(data)) 216 #define CALLREG_INTUIT_STRING(prog) \ 217 RX_ENGINE(prog)->checkstr(aTHX_ (prog)) 218 219 #define CALLREGFREE(prog) \ 220 Perl_pregfree(aTHX_ (prog)) 221 222 #define CALLREGFREE_PVT(prog) \ 223 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog)) 224 225 #define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \ 226 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv)) 227 228 #define CALLREG_NUMBUF_STORE(rx,paren,value) \ 229 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value)) 230 231 #define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \ 232 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren)) 233 234 #define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \ 235 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH)) 236 237 #define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \ 238 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE)) 239 240 #define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \ 241 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE)) 242 243 #define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \ 244 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR)) 245 246 #define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \ 247 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS)) 248 249 #define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \ 250 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY)) 251 252 #define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \ 253 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY)) 254 255 #define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \ 256 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR)) 257 258 #define CALLREG_NAMED_BUFF_COUNT(rx) \ 259 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT) 260 261 #define CALLREG_NAMED_BUFF_ALL(rx, flags) \ 262 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags) 263 264 #define CALLREG_PACKAGE(rx) \ 265 RX_ENGINE(rx)->qr_package(aTHX_ (rx)) 266 267 #if defined(USE_ITHREADS) 268 #define CALLREGDUPE(prog,param) \ 269 Perl_re_dup(aTHX_ (prog),(param)) 270 271 #define CALLREGDUPE_PVT(prog,param) \ 272 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \ 273 : (REGEXP *)NULL) 274 #endif 275 276 277 278 279 280 /* 281 * Because of backward compatibility reasons the PERL_UNUSED_DECL 282 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh. 283 * 284 * Note that there are C compilers such as MetroWerks CodeWarrior 285 * which do not have an "inlined" way (like the gcc __attribute__) of 286 * marking unused variables (they need e.g. a #pragma) and therefore 287 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even 288 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above). 289 * 290 */ 291 292 #if defined(__SYMBIAN32__) && defined(__GNUC__) 293 # ifdef __cplusplus 294 # define PERL_UNUSED_DECL 295 # else 296 # define PERL_UNUSED_DECL __attribute__((unused)) 297 # endif 298 #endif 299 300 #ifndef PERL_UNUSED_DECL 301 # if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus) 302 # define PERL_UNUSED_DECL __attribute__unused__ 303 # else 304 # define PERL_UNUSED_DECL 305 # endif 306 #endif 307 308 /* gcc -Wall: 309 * for silencing unused variables that are actually used most of the time, 310 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs 311 */ 312 #ifndef PERL_UNUSED_ARG 313 # if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */ 314 # include <note.h> 315 # define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x)) 316 # else 317 # define PERL_UNUSED_ARG(x) ((void)x) 318 # endif 319 #endif 320 #ifndef PERL_UNUSED_VAR 321 # define PERL_UNUSED_VAR(x) ((void)x) 322 #endif 323 324 #ifdef USE_ITHREADS 325 # define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl) 326 #else 327 # define PERL_UNUSED_CONTEXT 328 #endif 329 330 /* gcc (-ansi) -pedantic doesn't allow gcc statement expressions, 331 * g++ allows them but seems to have problems with them 332 * (insane errors ensue). 333 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2). 334 */ 335 #if defined(PERL_GCC_PEDANTIC) || \ 336 (defined(__GNUC__) && defined(__cplusplus) && \ 337 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2)))) 338 # ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN 339 # define PERL_GCC_BRACE_GROUPS_FORBIDDEN 340 # endif 341 #endif 342 343 /* Use PERL_UNUSED_RESULT() to suppress the warnings about unused results 344 * of function calls, e.g. PERL_UNUSED_RESULT(foo(a, b)). 345 * 346 * The main reason for this is that the combination of gcc -Wunused-result 347 * (part of -Wall) and the __attribute__((warn_unused_result)) cannot 348 * be silenced with casting to void. This causes trouble when the system 349 * header files use the attribute. 350 * 351 * Use PERL_UNUSED_RESULT sparingly, though, since usually the warning 352 * is there for a good reason: you might lose success/failure information, 353 * or leak resources, or changes in resources. 354 * 355 * But sometimes you just want to ignore the return value, e.g. on 356 * codepaths soon ending up in abort, or in "best effort" attempts, 357 * or in situations where there is no good way to handle failures. 358 * 359 * Sometimes PERL_UNUSED_RESULT might not be the most natural way: 360 * another possibility is that you can capture the return value 361 * and use PERL_UNUSED_VAR on that. 362 * 363 * The __typeof__() is used instead of typeof() since typeof() is not 364 * available under strict C89, and because of compilers masquerading 365 * as gcc (clang and icc), we want exactly the gcc extension 366 * __typeof__ and nothing else. 367 */ 368 #ifndef PERL_UNUSED_RESULT 369 # if defined(__GNUC__) && defined(HASATTRIBUTE_WARN_UNUSED_RESULT) 370 # define PERL_UNUSED_RESULT(v) STMT_START { __typeof__(v) z = (v); (void)sizeof(z); } STMT_END 371 # else 372 # define PERL_UNUSED_RESULT(v) ((void)(v)) 373 # endif 374 #endif 375 376 /* on gcc (and clang), specify that a warning should be temporarily 377 * ignored; e.g. 378 * 379 * GCC_DIAG_IGNORE(-Wmultichar); 380 * char b = 'ab'; 381 * GCC_DIAG_RESTORE; 382 * 383 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html 384 * 385 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011; 386 * clang only pretends to be GCC 4.2, but still supports push/pop. 387 */ 388 389 #if defined(__clang) || \ 390 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406) 391 # define GCC_DIAG_DO_PRAGMA_(x) _Pragma (#x) 392 393 # define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \ 394 GCC_DIAG_DO_PRAGMA_(GCC diagnostic ignored #x) 395 # define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop") 396 #else 397 # define GCC_DIAG_IGNORE(w) 398 # define GCC_DIAG_RESTORE 399 #endif 400 401 402 #define NOOP /*EMPTY*/(void)0 403 /* cea2e8a9dd23747f accidentally lost the comment originally from the first 404 check in of thread.h, explaining why we need dNOOP at all: */ 405 /* Rats: if dTHR is just blank then the subsequent ";" throws an error */ 406 /* Declaring a *function*, instead of a variable, ensures that we don't rely 407 on being able to suppress "unused" warnings. */ 408 #ifdef __cplusplus 409 #define dNOOP (void)0 410 #else 411 #define dNOOP extern int Perl___notused(void) 412 #endif 413 414 #ifndef pTHX 415 /* Don't bother defining tTHX ; using it outside 416 * code guarded by PERL_IMPLICIT_CONTEXT is an error. 417 */ 418 # define pTHX void 419 # define pTHX_ 420 # define aTHX 421 # define aTHX_ 422 # define aTHXa(a) NOOP 423 # define dTHXa(a) dNOOP 424 # define dTHX dNOOP 425 # define pTHX_1 1 426 # define pTHX_2 2 427 # define pTHX_3 3 428 # define pTHX_4 4 429 # define pTHX_5 5 430 # define pTHX_6 6 431 # define pTHX_7 7 432 # define pTHX_8 8 433 # define pTHX_9 9 434 # define pTHX_12 12 435 #endif 436 437 #ifndef dVAR 438 # define dVAR dNOOP 439 #endif 440 441 /* these are only defined for compatibility; should not be used internally */ 442 #if !defined(pTHXo) && !defined(PERL_CORE) 443 # define pTHXo pTHX 444 # define pTHXo_ pTHX_ 445 # define aTHXo aTHX 446 # define aTHXo_ aTHX_ 447 # define dTHXo dTHX 448 # define dTHXoa(x) dTHXa(x) 449 #endif 450 451 #ifndef pTHXx 452 # define pTHXx PerlInterpreter *my_perl 453 # define pTHXx_ pTHXx, 454 # define aTHXx my_perl 455 # define aTHXx_ aTHXx, 456 # define dTHXx dTHX 457 #endif 458 459 /* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation) 460 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...). 461 * dTHXs is therefore needed for all functions using PerlIO_foo(). */ 462 #ifdef PERL_IMPLICIT_SYS 463 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 464 # define dTHXs dVAR; dTHX 465 # else 466 # define dTHXs dTHX 467 # endif 468 #else 469 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 470 # define dTHXs dVAR 471 # else 472 # define dTHXs dNOOP 473 # endif 474 #endif 475 476 /* Some platforms require marking function declarations 477 * for them to be exportable. Used in perlio.h, proto.h 478 * is handled either by the makedef.pl or by defining the 479 * PERL_CALLCONV to be something special. See also the 480 * definition of XS() in XSUB.h. */ 481 #ifndef PERL_EXPORT_C 482 # ifdef __cplusplus 483 # define PERL_EXPORT_C extern "C" 484 # else 485 # define PERL_EXPORT_C extern 486 # endif 487 #endif 488 #ifndef PERL_XS_EXPORT_C 489 # ifdef __cplusplus 490 # define PERL_XS_EXPORT_C extern "C" 491 # else 492 # define PERL_XS_EXPORT_C 493 # endif 494 #endif 495 496 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus) 497 # ifndef PERL_USE_GCC_BRACE_GROUPS 498 # define PERL_USE_GCC_BRACE_GROUPS 499 # endif 500 #endif 501 502 /* 503 * STMT_START { statements; } STMT_END; 504 * can be used as a single statement, as in 505 * if (x) STMT_START { ... } STMT_END; else ... 506 * 507 * Trying to select a version that gives no warnings... 508 */ 509 #if !(defined(STMT_START) && defined(STMT_END)) 510 # ifdef PERL_USE_GCC_BRACE_GROUPS 511 # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */ 512 # define STMT_END ) 513 # else 514 # define STMT_START do 515 # define STMT_END while (0) 516 # endif 517 #endif 518 519 #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */ 520 # define BYTEORDER 0x1234 521 #endif 522 523 /* Overall memory policy? */ 524 #ifndef CONSERVATIVE 525 # define LIBERAL 1 526 #endif 527 528 #if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90 529 #define ASCIIish 530 #else 531 #undef ASCIIish 532 #endif 533 534 /* 535 * The following contortions are brought to you on behalf of all the 536 * standards, semi-standards, de facto standards, not-so-de-facto standards 537 * of the world, as well as all the other botches anyone ever thought of. 538 * The basic theory is that if we work hard enough here, the rest of the 539 * code can be a lot prettier. Well, so much for theory. Sorry, Henry... 540 */ 541 542 /* define this once if either system, instead of cluttering up the src */ 543 #if defined(MSDOS) || defined(WIN32) || defined(NETWARE) 544 #define DOSISH 1 545 #endif 546 547 #if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__) 548 # define STANDARD_C 1 549 #endif 550 551 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO) 552 # define DONT_DECLARE_STD 1 553 #endif 554 555 #if defined(HASVOLATILE) || defined(STANDARD_C) 556 # define VOL volatile 557 #else 558 # define VOL 559 #endif 560 561 /* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT, 562 * you get a perl without taint support, but doubtlessly with a lesser 563 * degree of support. Do not do so unless you know exactly what it means 564 * technically, have a good reason to do so, and know exactly how the 565 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered 566 * a potential security risk due to flat out ignoring the security-relevant 567 * taint flags. This being said, a perl without taint support compiled in 568 * has marginal run-time performance benefits. 569 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT. 570 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it 571 * silently ignores -t/-T instead of throwing an exception. 572 * 573 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT 574 * voids your nonexistent warranty! 575 */ 576 #if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT) 577 # define NO_TAINT_SUPPORT 1 578 #endif 579 580 /* NO_TAINT_SUPPORT can be set to transform virtually all taint-related 581 * operations into no-ops for a very modest speed-up. Enable only if you 582 * know what you're doing: tests and CPAN modules' tests are bound to fail. 583 */ 584 #ifdef NO_TAINT_SUPPORT 585 # define TAINT NOOP 586 # define TAINT_NOT NOOP 587 # define TAINT_IF(c) NOOP 588 # define TAINT_ENV() NOOP 589 # define TAINT_PROPER(s) NOOP 590 # define TAINT_set(s) NOOP 591 # define TAINT_get 0 592 # define TAINTING_get 0 593 # define TAINTING_set(s) NOOP 594 # define TAINT_WARN_get 0 595 # define TAINT_WARN_set(s) NOOP 596 #else 597 # define TAINT (PL_tainted = TRUE) 598 # define TAINT_NOT (PL_tainted = FALSE) 599 # define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; } 600 # define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); } 601 # define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); } 602 # define TAINT_set(s) (PL_tainted = (s)) 603 # define TAINT_get (PL_tainted) 604 # define TAINTING_get (PL_tainting) 605 # define TAINTING_set(s) (PL_tainting = (s)) 606 # define TAINT_WARN_get (PL_taint_warn) 607 # define TAINT_WARN_set(s) (PL_taint_warn = (s)) 608 #endif 609 610 /* flags used internally only within pp_subst and pp_substcont */ 611 #ifdef PERL_CORE 612 # define SUBST_TAINT_STR 1 /* string tainted */ 613 # define SUBST_TAINT_PAT 2 /* pattern tainted */ 614 # define SUBST_TAINT_REPL 4 /* replacement tainted */ 615 # define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */ 616 # define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */ 617 #endif 618 619 /* XXX All process group stuff is handled in pp_sys.c. Should these 620 defines move there? If so, I could simplify this a lot. --AD 9/96. 621 */ 622 /* Process group stuff changed from traditional BSD to POSIX. 623 perlfunc.pod documents the traditional BSD-style syntax, so we'll 624 try to preserve that, if possible. 625 */ 626 #ifdef HAS_SETPGID 627 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp)) 628 #else 629 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP) 630 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp)) 631 # else 632 # ifdef HAS_SETPGRP2 /* DG/UX */ 633 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp)) 634 # endif 635 # endif 636 #endif 637 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP) 638 # define HAS_SETPGRP /* Well, effectively it does . . . */ 639 #endif 640 641 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes 642 our life easier :-) so we'll try it. 643 */ 644 #ifdef HAS_GETPGID 645 # define BSD_GETPGRP(pid) getpgid((pid)) 646 #else 647 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP) 648 # define BSD_GETPGRP(pid) getpgrp((pid)) 649 # else 650 # ifdef HAS_GETPGRP2 /* DG/UX */ 651 # define BSD_GETPGRP(pid) getpgrp2((pid)) 652 # endif 653 # endif 654 #endif 655 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP) 656 # define HAS_GETPGRP /* Well, effectively it does . . . */ 657 #endif 658 659 /* These are not exact synonyms, since setpgrp() and getpgrp() may 660 have different behaviors, but perl.h used to define USE_BSDPGRP 661 (prior to 5.003_05) so some extension might depend on it. 662 */ 663 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP) 664 # ifndef USE_BSDPGRP 665 # define USE_BSDPGRP 666 # endif 667 #endif 668 669 /* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that 670 pthread.h must be included before all other header files. 671 */ 672 #if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD) 673 # include <pthread.h> 674 #endif 675 676 #include <sys/types.h> 677 678 #ifdef __cplusplus 679 # ifndef I_STDARG 680 # define I_STDARG 1 681 # endif 682 #endif 683 684 /* EVC 4 SDK headers includes a bad definition of MB_CUR_MAX in stdlib.h 685 which is included from stdarg.h. Bad definition not present in SD 2008 686 SDK headers. wince.h is not yet included, so we cant fix this from there 687 since by then MB_CUR_MAX will be defined from stdlib.h. 688 cewchar.h includes a correct definition of MB_CUR_MAX and it is copied here 689 since cewchar.h can't be included this early */ 690 #if defined(UNDER_CE) && (_MSC_VER < 1300) 691 # define MB_CUR_MAX 1 692 #endif 693 #ifdef I_STDARG 694 # include <stdarg.h> 695 #else 696 # ifdef I_VARARGS 697 # include <varargs.h> 698 # endif 699 #endif 700 701 #ifdef USE_NEXT_CTYPE 702 703 #if NX_CURRENT_COMPILER_RELEASE >= 500 704 # include <bsd/ctypes.h> 705 #else 706 # if NX_CURRENT_COMPILER_RELEASE >= 400 707 # include <objc/NXCType.h> 708 # else /* NX_CURRENT_COMPILER_RELEASE < 400 */ 709 # include <appkit/NXCType.h> 710 # endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */ 711 #endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */ 712 713 #else /* !USE_NEXT_CTYPE */ 714 #include <ctype.h> 715 #endif /* USE_NEXT_CTYPE */ 716 717 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */ 718 #undef METHOD 719 #endif 720 721 #ifdef PERL_MICRO 722 # define NO_LOCALE 723 #endif 724 725 #ifdef I_LOCALE 726 # include <locale.h> 727 #endif 728 729 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE) 730 # define USE_LOCALE 731 # define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this 732 capability */ 733 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \ 734 && defined(HAS_STRXFRM) 735 # define USE_LOCALE_COLLATE 736 # endif 737 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE) 738 # define USE_LOCALE_CTYPE 739 # endif 740 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC) 741 # define USE_LOCALE_NUMERIC 742 # endif 743 # if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES) 744 # define USE_LOCALE_MESSAGES 745 # endif 746 # if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY) 747 # define USE_LOCALE_MONETARY 748 # endif 749 # ifndef WIN32 /* No wrapper except on Windows */ 750 # define my_setlocale(a,b) setlocale(a,b) 751 # endif 752 #endif /* !NO_LOCALE && HAS_SETLOCALE */ 753 754 #include <setjmp.h> 755 756 #ifdef I_SYS_PARAM 757 # ifdef PARAM_NEEDS_TYPES 758 # include <sys/types.h> 759 # endif 760 # include <sys/param.h> 761 #endif 762 763 /* On BSD-derived systems, <sys/param.h> defines BSD to a year-month 764 value something like 199306. This may be useful if no more-specific 765 feature test is available. 766 */ 767 #if defined(BSD) 768 # ifndef BSDish 769 # define BSDish 770 # endif 771 #endif 772 773 /* Use all the "standard" definitions? */ 774 #if defined(STANDARD_C) && defined(I_STDLIB) 775 # include <stdlib.h> 776 #endif 777 778 /* If this causes problems, set i_unistd=undef in the hint file. */ 779 #ifdef I_UNISTD 780 # include <unistd.h> 781 #endif 782 783 /* for WCOREDUMP */ 784 #ifdef I_SYS_WAIT 785 # include <sys/wait.h> 786 #endif 787 788 #ifdef __SYMBIAN32__ 789 # undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */ 790 #endif 791 792 #if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) 793 EXTERN_C int syscall(int, ...); 794 #endif 795 796 #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) 797 EXTERN_C int usleep(unsigned int); 798 #endif 799 800 #ifdef PERL_CORE 801 802 /* macros for correct constant construction */ 803 # if INTSIZE >= 2 804 # define U16_CONST(x) ((U16)x##U) 805 # else 806 # define U16_CONST(x) ((U16)x##UL) 807 # endif 808 809 # if INTSIZE >= 4 810 # define U32_CONST(x) ((U32)x##U) 811 # else 812 # define U32_CONST(x) ((U32)x##UL) 813 # endif 814 815 # ifdef HAS_QUAD 816 # if INTSIZE >= 8 817 # define U64_CONST(x) ((U64)x##U) 818 # elif LONGSIZE >= 8 819 # define U64_CONST(x) ((U64)x##UL) 820 # elif QUADKIND == QUAD_IS_LONG_LONG 821 # define U64_CONST(x) ((U64)x##ULL) 822 # elif QUADKIND == QUAD_IS___INT64 823 # define U64_CONST(x) ((U64)x##UI64) 824 # else /* best guess we can make */ 825 # define U64_CONST(x) ((U64)x##UL) 826 # endif 827 # endif 828 829 /* byte-swapping functions for big-/little-endian conversion */ 830 # define _swab_16_(x) ((U16)( \ 831 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \ 832 (((U16)(x) & U16_CONST(0xff00)) >> 8) )) 833 834 # define _swab_32_(x) ((U32)( \ 835 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \ 836 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \ 837 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \ 838 (((U32)(x) & U32_CONST(0xff000000)) >> 24) )) 839 840 # ifdef HAS_QUAD 841 # define _swab_64_(x) ((U64)( \ 842 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \ 843 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \ 844 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \ 845 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \ 846 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \ 847 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \ 848 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \ 849 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) )) 850 # endif 851 852 /* The old value was hard coded at 1008. (4096-16) seems to be a bit faster, 853 at least on FreeBSD. YMMV, so experiment. */ 854 #ifndef PERL_ARENA_SIZE 855 #define PERL_ARENA_SIZE 4080 856 #endif 857 858 /* Maximum level of recursion */ 859 #ifndef PERL_SUB_DEPTH_WARN 860 #define PERL_SUB_DEPTH_WARN 100 861 #endif 862 863 #endif /* PERL_CORE */ 864 865 /* We no longer default to creating a new SV for GvSV. 866 Do this before embed. */ 867 #ifndef PERL_CREATE_GVSV 868 # ifndef PERL_DONT_CREATE_GVSV 869 # define PERL_DONT_CREATE_GVSV 870 # endif 871 #endif 872 873 #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME) 874 #define PERL_USES_PL_PIDSTATUS 875 #endif 876 877 #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__) 878 #define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION 879 #endif 880 881 #define MEM_SIZE Size_t 882 883 /* Round all values passed to malloc up, by default to a multiple of 884 sizeof(size_t) 885 */ 886 #ifndef PERL_STRLEN_ROUNDUP_QUANTUM 887 #define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size 888 #endif 889 890 /* sv_grow() will expand strings by at least a certain percentage of 891 the previously *used* length to avoid excessive calls to realloc(). 892 The default is 25% of the current length. 893 */ 894 #ifndef PERL_STRLEN_EXPAND_SHIFT 895 # define PERL_STRLEN_EXPAND_SHIFT 2 896 #endif 897 898 #if defined(STANDARD_C) && defined(I_STDDEF) 899 # include <stddef.h> 900 # define STRUCT_OFFSET(s,m) offsetof(s,m) 901 #else 902 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m)) 903 #endif 904 905 #ifndef __SYMBIAN32__ 906 # if defined(I_STRING) || defined(__cplusplus) 907 # include <string.h> 908 # else 909 # include <strings.h> 910 # endif 911 #endif 912 913 /* This comes after <stdlib.h> so we don't try to change the standard 914 * library prototypes; we'll use our own in proto.h instead. */ 915 916 #ifdef MYMALLOC 917 # ifdef PERL_POLLUTE_MALLOC 918 # ifndef PERL_EXTMALLOC_DEF 919 # define Perl_malloc malloc 920 # define Perl_calloc calloc 921 # define Perl_realloc realloc 922 # define Perl_mfree free 923 # endif 924 # else 925 # define EMBEDMYMALLOC /* for compatibility */ 926 # endif 927 928 # define safemalloc Perl_malloc 929 # define safecalloc Perl_calloc 930 # define saferealloc Perl_realloc 931 # define safefree Perl_mfree 932 # define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \ 933 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \ 934 code; \ 935 } STMT_END 936 # define CHECK_MALLOC_TOO_LATE_FOR(ch) \ 937 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch)) 938 # define panic_write2(s) write(2, s, strlen(s)) 939 # define CHECK_MALLOC_TAINT(newval) \ 940 CHECK_MALLOC_TOO_LATE_FOR_( \ 941 if (newval) { \ 942 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\ 943 exit(1); }) 944 # define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \ 945 if (doing_taint(argc,argv,env)) { \ 946 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \ 947 }} STMT_END; 948 #else /* MYMALLOC */ 949 # define safemalloc safesysmalloc 950 # define safecalloc safesyscalloc 951 # define saferealloc safesysrealloc 952 # define safefree safesysfree 953 # define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0) 954 # define CHECK_MALLOC_TAINT(newval) ((void)0) 955 # define MALLOC_CHECK_TAINT(argc,argv,env) 956 #endif /* MYMALLOC */ 957 958 /* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */ 959 #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) 960 #define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "") 961 #define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}") 962 #define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL) 963 964 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr) 965 #define strchr index 966 #define strrchr rindex 967 #endif 968 969 #ifdef I_MEMORY 970 # include <memory.h> 971 #endif 972 973 #ifdef HAS_MEMCPY 974 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) 975 # ifndef memcpy 976 extern char * memcpy (char*, char*, int); 977 # endif 978 # endif 979 #else 980 # ifndef memcpy 981 # ifdef HAS_BCOPY 982 # define memcpy(d,s,l) bcopy(s,d,l) 983 # else 984 # define memcpy(d,s,l) my_bcopy(s,d,l) 985 # endif 986 # endif 987 #endif /* HAS_MEMCPY */ 988 989 #ifdef HAS_MEMSET 990 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) 991 # ifndef memset 992 extern char *memset (char*, int, int); 993 # endif 994 # endif 995 #else 996 # undef memset 997 # define memset(d,c,l) my_memset(d,c,l) 998 #endif /* HAS_MEMSET */ 999 1000 #if !defined(HAS_MEMMOVE) && !defined(memmove) 1001 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY) 1002 # define memmove(d,s,l) bcopy(s,d,l) 1003 # else 1004 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY) 1005 # define memmove(d,s,l) memcpy(d,s,l) 1006 # else 1007 # define memmove(d,s,l) my_bcopy(s,d,l) 1008 # endif 1009 # endif 1010 #endif 1011 1012 #if defined(mips) && defined(ultrix) && !defined(__STDC__) 1013 # undef HAS_MEMCMP 1014 #endif 1015 1016 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP) 1017 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) 1018 # ifndef memcmp 1019 extern int memcmp (char*, char*, int); 1020 # endif 1021 # endif 1022 #else 1023 # ifndef memcmp 1024 # define memcmp my_memcmp 1025 # endif 1026 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */ 1027 1028 #ifndef memzero 1029 # ifdef HAS_MEMSET 1030 # define memzero(d,l) memset(d,0,l) 1031 # else 1032 # ifdef HAS_BZERO 1033 # define memzero(d,l) bzero(d,l) 1034 # else 1035 # define memzero(d,l) my_bzero(d,l) 1036 # endif 1037 # endif 1038 #endif 1039 1040 #ifndef PERL_MICRO 1041 #ifndef memchr 1042 # ifndef HAS_MEMCHR 1043 # define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1) 1044 # endif 1045 #endif 1046 #endif 1047 1048 #ifndef HAS_BCMP 1049 # ifndef bcmp 1050 # define bcmp(s1,s2,l) memcmp(s1,s2,l) 1051 # endif 1052 #endif /* !HAS_BCMP */ 1053 1054 #ifdef I_NETINET_IN 1055 # include <netinet/in.h> 1056 #endif 1057 1058 #ifdef I_ARPA_INET 1059 # include <arpa/inet.h> 1060 #endif 1061 1062 #ifdef I_SYS_STAT 1063 # include <sys/stat.h> 1064 #endif 1065 1066 /* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO. 1067 This definition should ideally go into win32/win32.h, but S_IFIFO is 1068 used later here in perl.h before win32/win32.h is being included. */ 1069 #if !defined(S_IFIFO) && defined(_S_IFIFO) 1070 # define S_IFIFO _S_IFIFO 1071 #endif 1072 1073 /* The stat macros for Unisoft System V/88 (and derivatives 1074 like UTekV) are broken, sometimes giving false positives. Undefine 1075 them here and let the code below set them to proper values. 1076 1077 The ghs macro stands for GreenHills Software C-1.8.5 which 1078 is the C compiler for sysV88 and the various derivatives. 1079 This header file bug is corrected in gcc-2.5.8 and later versions. 1080 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */ 1081 1082 #if defined(m88k) && defined(ghs) 1083 # undef S_ISDIR 1084 # undef S_ISCHR 1085 # undef S_ISBLK 1086 # undef S_ISREG 1087 # undef S_ISFIFO 1088 # undef S_ISLNK 1089 #endif 1090 1091 #ifdef I_TIME 1092 # include <time.h> 1093 #endif 1094 1095 #ifdef I_SYS_TIME 1096 # ifdef I_SYS_TIME_KERNEL 1097 # define KERNEL 1098 # endif 1099 # include <sys/time.h> 1100 # ifdef I_SYS_TIME_KERNEL 1101 # undef KERNEL 1102 # endif 1103 #endif 1104 1105 #if defined(HAS_TIMES) && defined(I_SYS_TIMES) 1106 # include <sys/times.h> 1107 #endif 1108 1109 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR)) 1110 # undef HAS_STRERROR 1111 #endif 1112 1113 #include <errno.h> 1114 1115 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS) 1116 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */ 1117 #endif 1118 1119 #if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */ 1120 # include <sys/socket.h> 1121 # if defined(USE_SOCKS) && defined(I_SOCKS) 1122 # if !defined(INCLUDE_PROTOTYPES) 1123 # define INCLUDE_PROTOTYPES /* for <socks.h> */ 1124 # define PERL_SOCKS_NEED_PROTOTYPES 1125 # endif 1126 # include <socks.h> 1127 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */ 1128 # undef INCLUDE_PROTOTYPES 1129 # undef PERL_SOCKS_NEED_PROTOTYPES 1130 # endif 1131 # endif 1132 # ifdef I_NETDB 1133 # ifdef NETWARE 1134 # include<stdio.h> 1135 # endif 1136 # include <netdb.h> 1137 # endif 1138 # ifndef ENOTSOCK 1139 # ifdef I_NET_ERRNO 1140 # include <net/errno.h> 1141 # endif 1142 # endif 1143 #endif 1144 1145 /* sockatmark() is so new (2001) that many places might have it hidden 1146 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required 1147 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */ 1148 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO) 1149 # if defined(__THROW) && defined(__GLIBC__) 1150 int sockatmark(int) __THROW; 1151 # else 1152 int sockatmark(int); 1153 # endif 1154 #endif 1155 1156 #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. */ 1157 EXTERN_C int fchdir(int); 1158 EXTERN_C int flock(int, int); 1159 EXTERN_C int fseeko(FILE *, off_t, int); 1160 EXTERN_C off_t ftello(FILE *); 1161 #endif 1162 1163 #if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */ 1164 EXTERN_C char *crypt(const char *, const char *); 1165 EXTERN_C char **environ; 1166 #endif 1167 1168 #if defined(__cplusplus) 1169 # if defined(BSDish) 1170 EXTERN_C char **environ; 1171 # elif defined(__CYGWIN__) 1172 EXTERN_C char *crypt(const char *, const char *); 1173 #endif 1174 #endif 1175 1176 #ifdef SETERRNO 1177 # undef SETERRNO /* SOCKS might have defined this */ 1178 #endif 1179 1180 #ifdef VMS 1181 # define SETERRNO(errcode,vmserrcode) \ 1182 STMT_START { \ 1183 set_errno(errcode); \ 1184 set_vaxc_errno(vmserrcode); \ 1185 } STMT_END 1186 # define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno 1187 # define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno 1188 # define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno ) 1189 # define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno) 1190 1191 # define LIB_INVARG LIB$_INVARG 1192 # define RMS_DIR RMS$_DIR 1193 # define RMS_FAC RMS$_FAC 1194 # define RMS_FEX RMS$_FEX 1195 # define RMS_FNF RMS$_FNF 1196 # define RMS_IFI RMS$_IFI 1197 # define RMS_ISI RMS$_ISI 1198 # define RMS_PRV RMS$_PRV 1199 # define SS_ACCVIO SS$_ACCVIO 1200 # define SS_DEVOFFLINE SS$_DEVOFFLINE 1201 # define SS_IVCHAN SS$_IVCHAN 1202 # define SS_NORMAL SS$_NORMAL 1203 #else 1204 # define LIB_INVARG 0 1205 # define RMS_DIR 0 1206 # define RMS_FAC 0 1207 # define RMS_FEX 0 1208 # define RMS_FNF 0 1209 # define RMS_IFI 0 1210 # define RMS_ISI 0 1211 # define RMS_PRV 0 1212 # define SS_ACCVIO 0 1213 # define SS_DEVOFFLINE 0 1214 # define SS_IVCHAN 0 1215 # define SS_NORMAL 0 1216 #endif 1217 1218 #ifdef WIN32 1219 # define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno 1220 # define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError() 1221 # define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() ) 1222 # define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) ) 1223 #endif 1224 1225 #ifdef OS2 1226 # define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno 1227 # define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc 1228 # define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc ) 1229 # define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno ) 1230 #endif 1231 1232 #ifndef SETERRNO 1233 # define SETERRNO(errcode,vmserrcode) (errno = (errcode)) 1234 #endif 1235 1236 #ifndef dSAVEDERRNO 1237 # define dSAVEDERRNO int saved_errno 1238 # define dSAVE_ERRNO int saved_errno = errno 1239 # define SAVE_ERRNO (saved_errno = errno) 1240 # define RESTORE_ERRNO (errno = saved_errno) 1241 #endif 1242 1243 #define ERRSV GvSVn(PL_errgv) 1244 1245 #define CLEAR_ERRSV() STMT_START { \ 1246 if (!GvSV(PL_errgv)) { \ 1247 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \ 1248 } else if (SvREADONLY(GvSV(PL_errgv))) { \ 1249 SvREFCNT_dec(GvSV(PL_errgv)); \ 1250 GvSV(PL_errgv) = newSVpvs(""); \ 1251 } else { \ 1252 SV *const errsv = GvSV(PL_errgv); \ 1253 sv_setpvs(errsv, ""); \ 1254 if (SvMAGICAL(errsv)) { \ 1255 mg_free(errsv); \ 1256 } \ 1257 SvPOK_only(errsv); \ 1258 } \ 1259 } STMT_END 1260 1261 1262 #ifdef PERL_CORE 1263 # define DEFSV (0 + GvSVn(PL_defgv)) 1264 # define DEFSV_set(sv) \ 1265 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv)) 1266 # define SAVE_DEFSV \ 1267 ( \ 1268 save_gp(PL_defgv, 0), \ 1269 GvINTRO_off(PL_defgv), \ 1270 SAVEGENERICSV(GvSV(PL_defgv)), \ 1271 GvSV(PL_defgv) = NULL \ 1272 ) 1273 #else 1274 # define DEFSV GvSVn(PL_defgv) 1275 # define DEFSV_set(sv) (GvSV(PL_defgv) = (sv)) 1276 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv)) 1277 #endif 1278 1279 #ifndef errno 1280 extern int errno; /* ANSI allows errno to be an lvalue expr. 1281 * For example in multithreaded environments 1282 * something like this might happen: 1283 * extern int *_errno(void); 1284 * #define errno (*_errno()) */ 1285 #endif 1286 1287 #define UNKNOWN_ERRNO_MSG "(unknown)" 1288 1289 #ifdef HAS_STRERROR 1290 # ifndef DONT_DECLARE_STD 1291 # ifdef VMS 1292 char *strerror (int,...); 1293 # else 1294 char *strerror (int); 1295 # endif 1296 # endif 1297 # ifndef Strerror 1298 # define Strerror strerror 1299 # endif 1300 #else 1301 # ifdef HAS_SYS_ERRLIST 1302 extern int sys_nerr; 1303 extern char *sys_errlist[]; 1304 # ifndef Strerror 1305 # define Strerror(e) \ 1306 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e]) 1307 # endif 1308 # endif 1309 #endif 1310 1311 #ifdef I_SYS_IOCTL 1312 # ifndef _IOCTL_ 1313 # include <sys/ioctl.h> 1314 # endif 1315 #endif 1316 1317 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000) 1318 # ifdef HAS_SOCKETPAIR 1319 # undef HAS_SOCKETPAIR 1320 # endif 1321 # ifdef I_NDBM 1322 # undef I_NDBM 1323 # endif 1324 #endif 1325 1326 #ifndef HAS_SOCKETPAIR 1327 # ifdef HAS_SOCKET 1328 # define socketpair Perl_my_socketpair 1329 # endif 1330 #endif 1331 1332 #if INTSIZE == 2 1333 # define htoni htons 1334 # define ntohi ntohs 1335 #else 1336 # define htoni htonl 1337 # define ntohi ntohl 1338 #endif 1339 1340 /* Configure already sets Direntry_t */ 1341 #if defined(I_DIRENT) 1342 # include <dirent.h> 1343 /* NeXT needs dirent + sys/dir.h */ 1344 # if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__)) 1345 # include <sys/dir.h> 1346 # endif 1347 #else 1348 # ifdef I_SYS_NDIR 1349 # include <sys/ndir.h> 1350 # else 1351 # ifdef I_SYS_DIR 1352 # ifdef hp9000s500 1353 # include <ndir.h> /* may be wrong in the future */ 1354 # else 1355 # include <sys/dir.h> 1356 # endif 1357 # endif 1358 # endif 1359 #endif 1360 1361 /* 1362 * The following gobbledygook brought to you on behalf of __STDC__. 1363 * (I could just use #ifndef __STDC__, but this is more bulletproof 1364 * in the face of half-implementations.) 1365 */ 1366 1367 #if defined(I_SYSMODE) 1368 #include <sys/mode.h> 1369 #endif 1370 1371 #ifndef S_IFMT 1372 # ifdef _S_IFMT 1373 # define S_IFMT _S_IFMT 1374 # else 1375 # define S_IFMT 0170000 1376 # endif 1377 #endif 1378 1379 #ifndef S_ISDIR 1380 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR) 1381 #endif 1382 1383 #ifndef S_ISCHR 1384 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR) 1385 #endif 1386 1387 #ifndef S_ISBLK 1388 # ifdef S_IFBLK 1389 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK) 1390 # else 1391 # define S_ISBLK(m) (0) 1392 # endif 1393 #endif 1394 1395 #ifndef S_ISREG 1396 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG) 1397 #endif 1398 1399 #ifndef S_ISFIFO 1400 # ifdef S_IFIFO 1401 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO) 1402 # else 1403 # define S_ISFIFO(m) (0) 1404 # endif 1405 #endif 1406 1407 #ifndef S_ISLNK 1408 # ifdef _S_ISLNK 1409 # define S_ISLNK(m) _S_ISLNK(m) 1410 # else 1411 # ifdef _S_IFLNK 1412 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK) 1413 # else 1414 # ifdef S_IFLNK 1415 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK) 1416 # else 1417 # define S_ISLNK(m) (0) 1418 # endif 1419 # endif 1420 # endif 1421 #endif 1422 1423 #ifndef S_ISSOCK 1424 # ifdef _S_ISSOCK 1425 # define S_ISSOCK(m) _S_ISSOCK(m) 1426 # else 1427 # ifdef _S_IFSOCK 1428 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK) 1429 # else 1430 # ifdef S_IFSOCK 1431 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK) 1432 # else 1433 # define S_ISSOCK(m) (0) 1434 # endif 1435 # endif 1436 # endif 1437 #endif 1438 1439 #ifndef S_IRUSR 1440 # ifdef S_IREAD 1441 # define S_IRUSR S_IREAD 1442 # define S_IWUSR S_IWRITE 1443 # define S_IXUSR S_IEXEC 1444 # else 1445 # define S_IRUSR 0400 1446 # define S_IWUSR 0200 1447 # define S_IXUSR 0100 1448 # endif 1449 #endif 1450 1451 #ifndef S_IRGRP 1452 # ifdef S_IRUSR 1453 # define S_IRGRP (S_IRUSR>>3) 1454 # define S_IWGRP (S_IWUSR>>3) 1455 # define S_IXGRP (S_IXUSR>>3) 1456 # else 1457 # define S_IRGRP 0040 1458 # define S_IWGRP 0020 1459 # define S_IXGRP 0010 1460 # endif 1461 #endif 1462 1463 #ifndef S_IROTH 1464 # ifdef S_IRUSR 1465 # define S_IROTH (S_IRUSR>>6) 1466 # define S_IWOTH (S_IWUSR>>6) 1467 # define S_IXOTH (S_IXUSR>>6) 1468 # else 1469 # define S_IROTH 0040 1470 # define S_IWOTH 0020 1471 # define S_IXOTH 0010 1472 # endif 1473 #endif 1474 1475 #ifndef S_ISUID 1476 # define S_ISUID 04000 1477 #endif 1478 1479 #ifndef S_ISGID 1480 # define S_ISGID 02000 1481 #endif 1482 1483 #ifndef S_IRWXU 1484 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR) 1485 #endif 1486 1487 #ifndef S_IRWXG 1488 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP) 1489 #endif 1490 1491 #ifndef S_IRWXO 1492 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH) 1493 #endif 1494 1495 /* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h> 1496 * which would get included through <sys/file.h >, but that is 3000 1497 * lines in the future. --jhi */ 1498 1499 #if !defined(S_IREAD) && !defined(__HAIKU__) 1500 # define S_IREAD S_IRUSR 1501 #endif 1502 1503 #if !defined(S_IWRITE) && !defined(__HAIKU__) 1504 # define S_IWRITE S_IWUSR 1505 #endif 1506 1507 #ifndef S_IEXEC 1508 # define S_IEXEC S_IXUSR 1509 #endif 1510 1511 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr) 1512 # define SLOPPYDIVIDE 1513 #endif 1514 1515 #ifdef UV 1516 #undef UV 1517 #endif 1518 1519 /* For the times when you want the return value of sprintf, and you want it 1520 to be the length. Can't have a thread variable passed in, because C89 has 1521 no varargs macros. 1522 */ 1523 #ifdef SPRINTF_RETURNS_STRLEN 1524 # define my_sprintf sprintf 1525 #else 1526 # define my_sprintf Perl_my_sprintf 1527 #endif 1528 1529 /* 1530 * If we have v?snprintf() and the C99 variadic macros, we can just 1531 * use just the v?snprintf(). It is nice to try to trap the buffer 1532 * overflow, however, so if we are DEBUGGING, and we cannot use the 1533 * gcc statement expressions, then use the function wrappers which try 1534 * to trap the overflow. If we can use the gcc statement expressions, 1535 * we can try that even with the version that uses the C99 variadic 1536 * macros. 1537 */ 1538 1539 /* Note that we do not check against snprintf()/vsnprintf() returning 1540 * negative values because that is non-standard behaviour and we use 1541 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and 1542 * that should be true only if the snprintf()/vsnprintf() are true 1543 * to the standard. */ 1544 1545 #if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC) 1546 # ifdef PERL_USE_GCC_BRACE_GROUPS 1547 # define my_snprintf(buffer, len, ...) ({ int __len__ = snprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: snprintf buffer overflow"); __len__; }) 1548 # define PERL_MY_SNPRINTF_GUARDED 1549 # else 1550 # define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__) 1551 # endif 1552 #else 1553 # define my_snprintf Perl_my_snprintf 1554 # define PERL_MY_SNPRINTF_GUARDED 1555 #endif 1556 1557 #if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC) 1558 # ifdef PERL_USE_GCC_BRACE_GROUPS 1559 # define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (Size_t)(len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; }) 1560 # define PERL_MY_VSNPRINTF_GUARDED 1561 # else 1562 # define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__) 1563 # endif 1564 #else 1565 # define my_vsnprintf Perl_my_vsnprintf 1566 # define PERL_MY_VSNPRINTF_GUARDED 1567 #endif 1568 1569 #ifdef HAS_STRLCAT 1570 # define my_strlcat strlcat 1571 #else 1572 # define my_strlcat Perl_my_strlcat 1573 #endif 1574 1575 #ifdef HAS_STRLCPY 1576 # define my_strlcpy strlcpy 1577 #else 1578 # define my_strlcpy Perl_my_strlcpy 1579 #endif 1580 1581 /* 1582 The IV type is supposed to be long enough to hold any integral 1583 value or a pointer. 1584 --Andy Dougherty August 1996 1585 */ 1586 1587 typedef IVTYPE IV; 1588 typedef UVTYPE UV; 1589 1590 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD) 1591 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX) 1592 # define IV_MAX INT64_MAX 1593 # define IV_MIN INT64_MIN 1594 # define UV_MAX UINT64_MAX 1595 # ifndef UINT64_MIN 1596 # define UINT64_MIN 0 1597 # endif 1598 # define UV_MIN UINT64_MIN 1599 # else 1600 # define IV_MAX PERL_QUAD_MAX 1601 # define IV_MIN PERL_QUAD_MIN 1602 # define UV_MAX PERL_UQUAD_MAX 1603 # define UV_MIN PERL_UQUAD_MIN 1604 # endif 1605 # define IV_IS_QUAD 1606 # define UV_IS_QUAD 1607 #else 1608 # if defined(INT32_MAX) && IVSIZE == 4 1609 # define IV_MAX INT32_MAX 1610 # define IV_MIN INT32_MIN 1611 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */ 1612 # define UV_MAX UINT32_MAX 1613 # else 1614 # define UV_MAX 4294967295U 1615 # endif 1616 # ifndef UINT32_MIN 1617 # define UINT32_MIN 0 1618 # endif 1619 # define UV_MIN UINT32_MIN 1620 # else 1621 # define IV_MAX PERL_LONG_MAX 1622 # define IV_MIN PERL_LONG_MIN 1623 # define UV_MAX PERL_ULONG_MAX 1624 # define UV_MIN PERL_ULONG_MIN 1625 # endif 1626 # if IVSIZE == 8 1627 # define IV_IS_QUAD 1628 # define UV_IS_QUAD 1629 # ifndef HAS_QUAD 1630 # define HAS_QUAD 1631 # endif 1632 # else 1633 # undef IV_IS_QUAD 1634 # undef UV_IS_QUAD 1635 #if !defined(PERL_CORE) || defined(USING_MSVC6) 1636 /* We think that removing this decade-old undef this will cause too much 1637 breakage on CPAN for too little gain. (See RT #119753) 1638 However, we do need HAS_QUAD in the core for use by the drand48 code, 1639 but not for Win32 VC6 because it has poor __int64 support. */ 1640 # undef HAS_QUAD 1641 #endif 1642 # endif 1643 #endif 1644 1645 #define SSize_t_MAX (SSize_t)(~(size_t)0 >> 1) 1646 1647 #define IV_DIG (BIT_DIGITS(IVSIZE * 8)) 1648 #define UV_DIG (BIT_DIGITS(UVSIZE * 8)) 1649 1650 #ifndef NO_PERL_PRESERVE_IVUV 1651 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */ 1652 #endif 1653 1654 /* 1655 * The macros INT2PTR and NUM2PTR are (despite their names) 1656 * bi-directional: they will convert int/float to or from pointers. 1657 * However the conversion to int/float are named explicitly: 1658 * PTR2IV, PTR2UV, PTR2NV. 1659 * 1660 * For int conversions we do not need two casts if pointers are 1661 * the same size as IV and UV. Otherwise we need an explicit 1662 * cast (PTRV) to avoid compiler warnings. 1663 */ 1664 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE) 1665 # define PTRV UV 1666 # define INT2PTR(any,d) (any)(d) 1667 #else 1668 # if PTRSIZE == LONGSIZE 1669 # define PTRV unsigned long 1670 # define PTR2ul(p) (unsigned long)(p) 1671 # else 1672 # define PTRV unsigned 1673 # endif 1674 #endif 1675 1676 #ifndef INT2PTR 1677 # define INT2PTR(any,d) (any)(PTRV)(d) 1678 #endif 1679 1680 #ifndef PTR2ul 1681 # define PTR2ul(p) INT2PTR(unsigned long,p) 1682 #endif 1683 1684 #define NUM2PTR(any,d) (any)(PTRV)(d) 1685 #define PTR2IV(p) INT2PTR(IV,p) 1686 #define PTR2UV(p) INT2PTR(UV,p) 1687 #define PTR2NV(p) NUM2PTR(NV,p) 1688 #define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */ 1689 1690 /* According to strict ANSI C89 one cannot freely cast between 1691 * data pointers and function (code) pointers. There are at least 1692 * two ways around this. One (used below) is to do two casts, 1693 * first the other pointer to an (unsigned) integer, and then 1694 * the integer to the other pointer. The other way would be 1695 * to use unions to "overlay" the pointers. For an example of 1696 * the latter technique, see union dirpu in struct xpvio in sv.h. 1697 * The only feasible use is probably temporarily storing 1698 * function pointers in a data pointer (such as a void pointer). */ 1699 1700 #define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */ 1701 #define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */ 1702 1703 #ifdef USE_LONG_DOUBLE 1704 # if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE 1705 # define LONG_DOUBLE_EQUALS_DOUBLE 1706 # endif 1707 # if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE)) 1708 # undef USE_LONG_DOUBLE /* Ouch! */ 1709 # endif 1710 #endif 1711 1712 #ifdef OVR_DBL_DIG 1713 /* Use an overridden DBL_DIG */ 1714 # ifdef DBL_DIG 1715 # undef DBL_DIG 1716 # endif 1717 # define DBL_DIG OVR_DBL_DIG 1718 #else 1719 /* The following is all to get DBL_DIG, in order to pick a nice 1720 default value for printing floating point numbers in Gconvert 1721 (see config.h). (It also has other uses, such as figuring out if 1722 a given precision of printing can be done with a double instead of 1723 a long double - Allen). 1724 */ 1725 #ifdef I_LIMITS 1726 #include <limits.h> 1727 #endif 1728 #ifdef I_FLOAT 1729 #include <float.h> 1730 #endif 1731 #ifndef HAS_DBL_DIG 1732 #define DBL_DIG 15 /* A guess that works lots of places */ 1733 #endif 1734 #endif 1735 1736 #ifdef OVR_LDBL_DIG 1737 /* Use an overridden LDBL_DIG */ 1738 # ifdef LDBL_DIG 1739 # undef LDBL_DIG 1740 # endif 1741 # define LDBL_DIG OVR_LDBL_DIG 1742 #else 1743 /* The following is all to get LDBL_DIG, in order to pick a nice 1744 default value for printing floating point numbers in Gconvert. 1745 (see config.h) 1746 */ 1747 # ifdef I_LIMITS 1748 # include <limits.h> 1749 # endif 1750 # ifdef I_FLOAT 1751 # include <float.h> 1752 # endif 1753 # ifndef HAS_LDBL_DIG 1754 # if LONG_DOUBLESIZE == 10 1755 # define LDBL_DIG 18 /* assume IEEE */ 1756 # else 1757 # if LONG_DOUBLESIZE == 12 1758 # define LDBL_DIG 18 /* gcc? */ 1759 # else 1760 # if LONG_DOUBLESIZE == 16 1761 # define LDBL_DIG 33 /* assume IEEE */ 1762 # else 1763 # if LONG_DOUBLESIZE == DOUBLESIZE 1764 # define LDBL_DIG DBL_DIG /* bummer */ 1765 # endif 1766 # endif 1767 # endif 1768 # endif 1769 # endif 1770 #endif 1771 1772 /* 1773 * This is for making sure we have a good DBL_MAX value, if possible, 1774 * either for usage as NV_MAX or for usage in figuring out if we can 1775 * fit a given long double into a double, if bug-fixing makes it 1776 * necessary to do so. - Allen <allens@cpan.org> 1777 */ 1778 1779 #ifdef I_LIMITS 1780 # include <limits.h> 1781 #endif 1782 1783 #ifdef I_VALUES 1784 # if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS)) 1785 # include <values.h> 1786 # if defined(MAXDOUBLE) && !defined(DBL_MAX) 1787 # define DBL_MAX MAXDOUBLE 1788 # endif 1789 # if defined(MINDOUBLE) && !defined(DBL_MIN) 1790 # define DBL_MIN MINDOUBLE 1791 # endif 1792 # endif 1793 #endif /* defined(I_VALUES) */ 1794 1795 typedef NVTYPE NV; 1796 1797 #ifdef I_IEEEFP 1798 # include <ieeefp.h> 1799 #endif 1800 1801 #ifdef USING_MSVC6 1802 /* VC6 has broken NaN semantics: NaN == NaN returns true instead of false, 1803 * and for example NaN < IV_MIN. */ 1804 # define NAN_COMPARE_BROKEN 1805 #endif 1806 #if defined(__DECC) && defined(__osf__) 1807 /* Also Tru64 cc has broken NaN comparisons. */ 1808 # define NAN_COMPARE_BROKEN 1809 #endif 1810 1811 #ifdef USE_LONG_DOUBLE 1812 # ifdef I_SUNMATH 1813 # include <sunmath.h> 1814 # endif 1815 # define NV_DIG LDBL_DIG 1816 # ifdef LDBL_MANT_DIG 1817 # define NV_MANT_DIG LDBL_MANT_DIG 1818 # endif 1819 # ifdef LDBL_MIN 1820 # define NV_MIN LDBL_MIN 1821 # endif 1822 # ifdef LDBL_MAX 1823 # define NV_MAX LDBL_MAX 1824 # endif 1825 # ifdef LDBL_MIN_10_EXP 1826 # define NV_MIN_10_EXP LDBL_MIN_10_EXP 1827 # endif 1828 # ifdef LDBL_MAX_10_EXP 1829 # define NV_MAX_10_EXP LDBL_MAX_10_EXP 1830 # endif 1831 # ifdef LDBL_EPSILON 1832 # define NV_EPSILON LDBL_EPSILON 1833 # endif 1834 # ifdef LDBL_MAX 1835 # define NV_MAX LDBL_MAX 1836 /* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */ 1837 # else 1838 # ifdef HUGE_VALL 1839 # define NV_MAX HUGE_VALL 1840 # else 1841 # ifdef HUGE_VAL 1842 # define NV_MAX ((NV)HUGE_VAL) 1843 # endif 1844 # endif 1845 # endif 1846 # ifdef HAS_SQRTL 1847 # define Perl_cos cosl 1848 # define Perl_sin sinl 1849 # define Perl_sqrt sqrtl 1850 # define Perl_exp expl 1851 # define Perl_log logl 1852 # define Perl_atan2 atan2l 1853 # define Perl_pow powl 1854 # define Perl_floor floorl 1855 # define Perl_ceil ceill 1856 # define Perl_fmod fmodl 1857 # endif 1858 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */ 1859 # ifdef HAS_MODFL 1860 # define Perl_modf(x,y) modfl(x,y) 1861 /* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no 1862 prototype in <math.h> */ 1863 # ifndef HAS_MODFL_PROTO 1864 EXTERN_C long double modfl(long double, long double *); 1865 # endif 1866 # else 1867 # if defined(HAS_AINTL) && defined(HAS_COPYSIGNL) 1868 extern long double Perl_my_modfl(long double x, long double *ip); 1869 # define Perl_modf(x,y) Perl_my_modfl(x,y) 1870 # endif 1871 # endif 1872 # ifdef HAS_FREXPL 1873 # define Perl_frexp(x,y) frexpl(x,y) 1874 # else 1875 # if defined(HAS_ILOGBL) && defined(HAS_SCALBNL) 1876 extern long double Perl_my_frexpl(long double x, int *e); 1877 # define Perl_frexp(x,y) Perl_my_frexpl(x,y) 1878 # endif 1879 # endif 1880 # ifndef Perl_isnan 1881 # ifdef HAS_ISNANL 1882 # define Perl_isnan(x) isnanl(x) 1883 # endif 1884 # endif 1885 # ifndef Perl_isinf 1886 # ifdef HAS_FINITEL 1887 # define Perl_isinf(x) !(finitel(x)||Perl_isnan(x)) 1888 # endif 1889 # endif 1890 #else 1891 # define NV_DIG DBL_DIG 1892 # ifdef DBL_MANT_DIG 1893 # define NV_MANT_DIG DBL_MANT_DIG 1894 # endif 1895 # ifdef DBL_MIN 1896 # define NV_MIN DBL_MIN 1897 # endif 1898 # ifdef DBL_MAX 1899 # define NV_MAX DBL_MAX 1900 # endif 1901 # ifdef DBL_MIN_10_EXP 1902 # define NV_MIN_10_EXP DBL_MIN_10_EXP 1903 # endif 1904 # ifdef DBL_MAX_10_EXP 1905 # define NV_MAX_10_EXP DBL_MAX_10_EXP 1906 # endif 1907 # ifdef DBL_EPSILON 1908 # define NV_EPSILON DBL_EPSILON 1909 # endif 1910 # ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */ 1911 # define NV_MAX DBL_MAX 1912 # define NV_MIN DBL_MIN 1913 # else 1914 # ifdef HUGE_VAL 1915 # define NV_MAX HUGE_VAL 1916 # endif 1917 # endif 1918 # define Perl_cos cos 1919 # define Perl_sin sin 1920 # define Perl_sqrt sqrt 1921 # define Perl_exp exp 1922 # define Perl_log log 1923 # define Perl_atan2 atan2 1924 # define Perl_pow pow 1925 # define Perl_floor floor 1926 # define Perl_ceil ceil 1927 # define Perl_fmod fmod 1928 # define Perl_modf(x,y) modf(x,y) 1929 # define Perl_frexp(x,y) frexp(x,y) 1930 #endif 1931 1932 /* rumor has it that Win32 has _fpclass() */ 1933 1934 /* SGI has fpclassl... but not with the same result values, 1935 * and it's via a typedef (not via #define), so will need to redo Configure 1936 * to use. Not worth the trouble, IMO, at least until the below is used 1937 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check 1938 * with me for the SGI manpages, SGI testing, etcetera, if you want to 1939 * try getting this to work with IRIX. - Allen <allens@cpan.org> */ 1940 1941 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL)) 1942 # ifdef I_IEEFP 1943 # include <ieeefp.h> 1944 # endif 1945 # ifdef I_FP 1946 # include <fp.h> 1947 # endif 1948 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL) 1949 # define Perl_fp_class() fpclassl(x) 1950 # else 1951 # define Perl_fp_class() fpclass(x) 1952 # endif 1953 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN) 1954 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN) 1955 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN) 1956 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF) 1957 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF) 1958 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF) 1959 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM) 1960 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM) 1961 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM) 1962 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM) 1963 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM) 1964 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM) 1965 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO) 1966 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO) 1967 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO) 1968 #endif 1969 1970 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) 1971 # include <math.h> 1972 # if !defined(FP_SNAN) && defined(I_FP_CLASS) 1973 # include <fp_class.h> 1974 # endif 1975 # define Perl_fp_class(x) fp_class(x) 1976 # define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN) 1977 # define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN) 1978 # define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN) 1979 # define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF) 1980 # define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF) 1981 # define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF) 1982 # define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM) 1983 # define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM) 1984 # define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM) 1985 # define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM) 1986 # define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM) 1987 # define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM) 1988 # define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO) 1989 # define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO) 1990 # define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO) 1991 #endif 1992 1993 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY) 1994 # include <math.h> 1995 # define Perl_fp_class(x) fpclassify(x) 1996 # define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN) 1997 # define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE) 1998 # define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL) 1999 # define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL) 2000 # define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO) 2001 #endif 2002 2003 #if !defined(Perl_fp_class) && defined(HAS_CLASS) 2004 # include <math.h> 2005 # ifndef _cplusplus 2006 # define Perl_fp_class(x) class(x) 2007 # else 2008 # define Perl_fp_class(x) _class(x) 2009 # endif 2010 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS) 2011 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ) 2012 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN) 2013 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF) 2014 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF) 2015 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF) 2016 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM) 2017 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM) 2018 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM) 2019 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM) 2020 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM) 2021 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM) 2022 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO) 2023 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO) 2024 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO) 2025 #endif 2026 2027 /* rumor has it that Win32 has _isnan() */ 2028 2029 #ifndef Perl_isnan 2030 # ifdef HAS_ISNAN 2031 # define Perl_isnan(x) isnan((NV)x) 2032 # else 2033 # ifdef Perl_fp_class_nan 2034 # define Perl_isnan(x) Perl_fp_class_nan(x) 2035 # else 2036 # ifdef HAS_UNORDERED 2037 # define Perl_isnan(x) unordered((x), 0.0) 2038 # else 2039 # define Perl_isnan(x) ((x)!=(x)) 2040 # endif 2041 # endif 2042 # endif 2043 #endif 2044 2045 #ifdef UNDER_CE 2046 int isnan(double d); 2047 #endif 2048 2049 #ifndef Perl_isinf 2050 # ifdef HAS_ISINF 2051 # define Perl_isinf(x) isinf((NV)x) 2052 # else 2053 # ifdef Perl_fp_class_inf 2054 # define Perl_isinf(x) Perl_fp_class_inf(x) 2055 # else 2056 # define Perl_isinf(x) ((x)==NV_INF) 2057 # endif 2058 # endif 2059 #endif 2060 2061 #ifndef Perl_isfinite 2062 # ifdef HAS_FINITE 2063 # define Perl_isfinite(x) finite((NV)x) 2064 # else 2065 # ifdef HAS_ISFINITE 2066 # define Perl_isfinite(x) isfinite(x) 2067 # else 2068 # ifdef Perl_fp_class_finite 2069 # define Perl_isfinite(x) Perl_fp_class_finite(x) 2070 # else 2071 # define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x)) 2072 # endif 2073 # endif 2074 # endif 2075 #endif 2076 2077 /* The default is to use Perl's own atof() implementation (in numeric.c). 2078 * Usually that is the one to use but for some platforms (e.g. UNICOS) 2079 * it is however best to use the native implementation of atof. 2080 * You can experiment with using your native one by -DUSE_PERL_ATOF=0. 2081 * Some good tests to try out with either setting are t/base/num.t, 2082 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles 2083 * you may need to be using a different function than atof! */ 2084 2085 #ifndef USE_PERL_ATOF 2086 # ifndef _UNICOS 2087 # define USE_PERL_ATOF 2088 # endif 2089 #else 2090 # if USE_PERL_ATOF == 0 2091 # undef USE_PERL_ATOF 2092 # endif 2093 #endif 2094 2095 #ifdef USE_PERL_ATOF 2096 # define Perl_atof(s) Perl_my_atof(s) 2097 # define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n)) 2098 #else 2099 # define Perl_atof(s) (NV)atof(s) 2100 # define Perl_atof2(s, n) ((n) = atof(s)) 2101 #endif 2102 2103 /* Previously these definitions used hardcoded figures. 2104 * It is hoped these formula are more portable, although 2105 * no data one way or another is presently known to me. 2106 * The "PERL_" names are used because these calculated constants 2107 * do not meet the ANSI requirements for LONG_MAX, etc., which 2108 * need to be constants acceptable to #if - kja 2109 * define PERL_LONG_MAX 2147483647L 2110 * define PERL_LONG_MIN (-LONG_MAX - 1) 2111 * define PERL ULONG_MAX 4294967295L 2112 */ 2113 2114 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */ 2115 # include <limits.h> 2116 #endif 2117 /* Included values.h above if necessary; still including limits.h down here, 2118 * despite doing above, because math.h might have overridden... XXX - Allen */ 2119 2120 /* 2121 * Try to figure out max and min values for the integral types. THE CORRECT 2122 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The 2123 * following hacks are used if neither limits.h or values.h provide them: 2124 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0 2125 * for types < int: (unsigned TYPE)~(unsigned)0 2126 * The argument to ~ must be unsigned so that later signed->unsigned 2127 * conversion can't modify the value's bit pattern (e.g. -0 -> +0), 2128 * and it must not be smaller than int because ~ does integral promotion. 2129 * <type>_MAX: (<type>) (U<type>_MAX >> 1) 2130 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>. 2131 * The latter is a hack which happens to work on some machines but 2132 * does *not* catch any random system, or things like integer types 2133 * with NaN if that is possible. 2134 * 2135 * All of the types are explicitly cast to prevent accidental loss of 2136 * numeric range, and in the hope that they will be less likely to confuse 2137 * over-eager optimizers. 2138 * 2139 */ 2140 2141 #define PERL_UCHAR_MIN ((unsigned char)0) 2142 2143 #ifdef UCHAR_MAX 2144 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX) 2145 #else 2146 # ifdef MAXUCHAR 2147 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR) 2148 # else 2149 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0) 2150 # endif 2151 #endif 2152 2153 /* 2154 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be 2155 * ambiguous. It may be equivalent to (signed char) or (unsigned char) 2156 * depending on local options. Until Configure detects this (or at least 2157 * detects whether the "signed" keyword is available) the CHAR ranges 2158 * will not be included. UCHAR functions normally. 2159 * - kja 2160 */ 2161 2162 #define PERL_USHORT_MIN ((unsigned short)0) 2163 2164 #ifdef USHORT_MAX 2165 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX) 2166 #else 2167 # ifdef MAXUSHORT 2168 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT) 2169 # else 2170 # ifdef USHRT_MAX 2171 # define PERL_USHORT_MAX ((unsigned short)USHRT_MAX) 2172 # else 2173 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0) 2174 # endif 2175 # endif 2176 #endif 2177 2178 #ifdef SHORT_MAX 2179 # define PERL_SHORT_MAX ((short)SHORT_MAX) 2180 #else 2181 # ifdef MAXSHORT /* Often used in <values.h> */ 2182 # define PERL_SHORT_MAX ((short)MAXSHORT) 2183 # else 2184 # ifdef SHRT_MAX 2185 # define PERL_SHORT_MAX ((short)SHRT_MAX) 2186 # else 2187 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1)) 2188 # endif 2189 # endif 2190 #endif 2191 2192 #ifdef SHORT_MIN 2193 # define PERL_SHORT_MIN ((short)SHORT_MIN) 2194 #else 2195 # ifdef MINSHORT 2196 # define PERL_SHORT_MIN ((short)MINSHORT) 2197 # else 2198 # ifdef SHRT_MIN 2199 # define PERL_SHORT_MIN ((short)SHRT_MIN) 2200 # else 2201 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3)) 2202 # endif 2203 # endif 2204 #endif 2205 2206 #ifdef UINT_MAX 2207 # define PERL_UINT_MAX ((unsigned int)UINT_MAX) 2208 #else 2209 # ifdef MAXUINT 2210 # define PERL_UINT_MAX ((unsigned int)MAXUINT) 2211 # else 2212 # define PERL_UINT_MAX (~(unsigned int)0) 2213 # endif 2214 #endif 2215 2216 #define PERL_UINT_MIN ((unsigned int)0) 2217 2218 #ifdef INT_MAX 2219 # define PERL_INT_MAX ((int)INT_MAX) 2220 #else 2221 # ifdef MAXINT /* Often used in <values.h> */ 2222 # define PERL_INT_MAX ((int)MAXINT) 2223 # else 2224 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1)) 2225 # endif 2226 #endif 2227 2228 #ifdef INT_MIN 2229 # define PERL_INT_MIN ((int)INT_MIN) 2230 #else 2231 # ifdef MININT 2232 # define PERL_INT_MIN ((int)MININT) 2233 # else 2234 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3)) 2235 # endif 2236 #endif 2237 2238 #ifdef ULONG_MAX 2239 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX) 2240 #else 2241 # ifdef MAXULONG 2242 # define PERL_ULONG_MAX ((unsigned long)MAXULONG) 2243 # else 2244 # define PERL_ULONG_MAX (~(unsigned long)0) 2245 # endif 2246 #endif 2247 2248 #define PERL_ULONG_MIN ((unsigned long)0L) 2249 2250 #ifdef LONG_MAX 2251 # define PERL_LONG_MAX ((long)LONG_MAX) 2252 #else 2253 # ifdef MAXLONG /* Often used in <values.h> */ 2254 # define PERL_LONG_MAX ((long)MAXLONG) 2255 # else 2256 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1)) 2257 # endif 2258 #endif 2259 2260 #ifdef LONG_MIN 2261 # define PERL_LONG_MIN ((long)LONG_MIN) 2262 #else 2263 # ifdef MINLONG 2264 # define PERL_LONG_MIN ((long)MINLONG) 2265 # else 2266 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3)) 2267 # endif 2268 #endif 2269 2270 #ifdef UV_IS_QUAD 2271 2272 # define PERL_UQUAD_MAX (~(UV)0) 2273 # define PERL_UQUAD_MIN ((UV)0) 2274 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1)) 2275 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3)) 2276 2277 #endif 2278 2279 typedef MEM_SIZE STRLEN; 2280 2281 #ifdef PERL_MAD 2282 typedef struct token TOKEN; 2283 typedef struct madprop MADPROP; 2284 typedef struct nexttoken NEXTTOKE; 2285 #endif 2286 typedef struct op OP; 2287 typedef struct cop COP; 2288 typedef struct unop UNOP; 2289 typedef struct binop BINOP; 2290 typedef struct listop LISTOP; 2291 typedef struct logop LOGOP; 2292 typedef struct pmop PMOP; 2293 typedef struct svop SVOP; 2294 typedef struct padop PADOP; 2295 typedef struct pvop PVOP; 2296 typedef struct loop LOOP; 2297 2298 #ifdef PERL_CORE 2299 typedef struct opslab OPSLAB; 2300 typedef struct opslot OPSLOT; 2301 #endif 2302 2303 typedef struct block_hooks BHK; 2304 typedef struct custom_op XOP; 2305 2306 typedef struct interpreter PerlInterpreter; 2307 2308 /* SGI's <sys/sema.h> has struct sv */ 2309 #if defined(__sgi) 2310 # define STRUCT_SV perl_sv 2311 #else 2312 # define STRUCT_SV sv 2313 #endif 2314 typedef struct STRUCT_SV SV; 2315 typedef struct av AV; 2316 typedef struct hv HV; 2317 typedef struct cv CV; 2318 typedef struct p5rx REGEXP; 2319 typedef struct gp GP; 2320 typedef struct gv GV; 2321 typedef struct io IO; 2322 typedef struct context PERL_CONTEXT; 2323 typedef struct block BLOCK; 2324 2325 typedef struct magic MAGIC; 2326 typedef struct xpv XPV; 2327 typedef struct xpviv XPVIV; 2328 typedef struct xpvuv XPVUV; 2329 typedef struct xpvnv XPVNV; 2330 typedef struct xpvmg XPVMG; 2331 typedef struct xpvlv XPVLV; 2332 typedef struct xpvinvlist XINVLIST; 2333 typedef struct xpvav XPVAV; 2334 typedef struct xpvhv XPVHV; 2335 typedef struct xpvgv XPVGV; 2336 typedef struct xpvcv XPVCV; 2337 typedef struct xpvbm XPVBM; 2338 typedef struct xpvfm XPVFM; 2339 typedef struct xpvio XPVIO; 2340 typedef struct mgvtbl MGVTBL; 2341 typedef union any ANY; 2342 typedef struct ptr_tbl_ent PTR_TBL_ENT_t; 2343 typedef struct ptr_tbl PTR_TBL_t; 2344 typedef struct clone_params CLONE_PARAMS; 2345 2346 /* a pad or name pad is currently just an AV; but that might change, 2347 * so hide the type. */ 2348 typedef struct padlist PADLIST; 2349 typedef AV PAD; 2350 typedef AV PADNAMELIST; 2351 typedef SV PADNAME; 2352 2353 /* enable PERL_NEW_COPY_ON_WRITE by default */ 2354 #if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW) 2355 # define PERL_NEW_COPY_ON_WRITE 2356 #endif 2357 2358 #if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE) 2359 # if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE) 2360 # error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive 2361 # else 2362 # define PERL_ANY_COW 2363 # endif 2364 #else 2365 # define PERL_SAWAMPERSAND 2366 #endif 2367 2368 #include "handy.h" 2369 2370 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO) 2371 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO) 2372 # define USE_64_BIT_RAWIO /* implicit */ 2373 # endif 2374 #endif 2375 2376 /* Notice the use of HAS_FSEEKO: now we are obligated to always use 2377 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself, 2378 * however, because operating systems like to do that themself. */ 2379 #ifndef FSEEKSIZE 2380 # ifdef HAS_FSEEKO 2381 # define FSEEKSIZE LSEEKSIZE 2382 # else 2383 # define FSEEKSIZE LONGSIZE 2384 # endif 2385 #endif 2386 2387 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO) 2388 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO) 2389 # define USE_64_BIT_STDIO /* implicit */ 2390 # endif 2391 #endif 2392 2393 #ifdef USE_64_BIT_RAWIO 2394 # ifdef HAS_OFF64_T 2395 # undef Off_t 2396 # define Off_t off64_t 2397 # undef LSEEKSIZE 2398 # define LSEEKSIZE 8 2399 # endif 2400 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that 2401 * will trigger defines like the ones below. Some 64-bit environments, 2402 * however, do not. Therefore we have to explicitly mix and match. */ 2403 # if defined(USE_OPEN64) 2404 # define open open64 2405 # endif 2406 # if defined(USE_LSEEK64) 2407 # define lseek lseek64 2408 # else 2409 # if defined(USE_LLSEEK) 2410 # define lseek llseek 2411 # endif 2412 # endif 2413 # if defined(USE_STAT64) 2414 # define stat stat64 2415 # endif 2416 # if defined(USE_FSTAT64) 2417 # define fstat fstat64 2418 # endif 2419 # if defined(USE_LSTAT64) 2420 # define lstat lstat64 2421 # endif 2422 # if defined(USE_FLOCK64) 2423 # define flock flock64 2424 # endif 2425 # if defined(USE_LOCKF64) 2426 # define lockf lockf64 2427 # endif 2428 # if defined(USE_FCNTL64) 2429 # define fcntl fcntl64 2430 # endif 2431 # if defined(USE_TRUNCATE64) 2432 # define truncate truncate64 2433 # endif 2434 # if defined(USE_FTRUNCATE64) 2435 # define ftruncate ftruncate64 2436 # endif 2437 #endif 2438 2439 #ifdef USE_64_BIT_STDIO 2440 # ifdef HAS_FPOS64_T 2441 # undef Fpos_t 2442 # define Fpos_t fpos64_t 2443 # endif 2444 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that 2445 * will trigger defines like the ones below. Some 64-bit environments, 2446 * however, do not. */ 2447 # if defined(USE_FOPEN64) 2448 # define fopen fopen64 2449 # endif 2450 # if defined(USE_FSEEK64) 2451 # define fseek fseek64 /* don't do fseeko here, see perlio.c */ 2452 # endif 2453 # if defined(USE_FTELL64) 2454 # define ftell ftell64 /* don't do ftello here, see perlio.c */ 2455 # endif 2456 # if defined(USE_FSETPOS64) 2457 # define fsetpos fsetpos64 2458 # endif 2459 # if defined(USE_FGETPOS64) 2460 # define fgetpos fgetpos64 2461 # endif 2462 # if defined(USE_TMPFILE64) 2463 # define tmpfile tmpfile64 2464 # endif 2465 # if defined(USE_FREOPEN64) 2466 # define freopen freopen64 2467 # endif 2468 #endif 2469 2470 #if defined(OS2) 2471 # include "iperlsys.h" 2472 #endif 2473 2474 #ifdef DOSISH 2475 # if defined(OS2) 2476 # include "os2ish.h" 2477 # else 2478 # include "dosish.h" 2479 # endif 2480 #elif defined(VMS) 2481 # include "vmsish.h" 2482 #elif defined(PLAN9) 2483 # include "./plan9/plan9ish.h" 2484 #elif defined(__VOS__) 2485 # ifdef __GNUC__ 2486 # include "./vos/vosish.h" 2487 # else 2488 # include "vos/vosish.h" 2489 # endif 2490 #elif defined(__SYMBIAN32__) 2491 # include "symbian/symbianish.h" 2492 #elif defined(__HAIKU__) 2493 # include "haiku/haikuish.h" 2494 #else 2495 # include "unixish.h" 2496 #endif 2497 2498 /* NSIG logic from Configure --> */ 2499 /* Strange style to avoid deeply-nested #if/#else/#endif */ 2500 #ifndef NSIG 2501 # ifdef _NSIG 2502 # define NSIG (_NSIG) 2503 # endif 2504 #endif 2505 2506 #ifndef NSIG 2507 # ifdef SIGMAX 2508 # define NSIG (SIGMAX+1) 2509 # endif 2510 #endif 2511 2512 #ifndef NSIG 2513 # ifdef SIG_MAX 2514 # define NSIG (SIG_MAX+1) 2515 # endif 2516 #endif 2517 2518 #ifndef NSIG 2519 # ifdef _SIG_MAX 2520 # define NSIG (_SIG_MAX+1) 2521 # endif 2522 #endif 2523 2524 #ifndef NSIG 2525 # ifdef MAXSIG 2526 # define NSIG (MAXSIG+1) 2527 # endif 2528 #endif 2529 2530 #ifndef NSIG 2531 # ifdef MAX_SIG 2532 # define NSIG (MAX_SIG+1) 2533 # endif 2534 #endif 2535 2536 #ifndef NSIG 2537 # ifdef SIGARRAYSIZE 2538 # define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ 2539 # endif 2540 #endif 2541 2542 #ifndef NSIG 2543 # ifdef _sys_nsig 2544 # define NSIG (_sys_nsig) /* Solaris 2.5 */ 2545 # endif 2546 #endif 2547 2548 /* Default to some arbitrary number that's big enough to get most 2549 of the common signals. 2550 */ 2551 #ifndef NSIG 2552 # define NSIG 50 2553 #endif 2554 /* <-- NSIG logic from Configure */ 2555 2556 #ifndef NO_ENVIRON_ARRAY 2557 # define USE_ENVIRON_ARRAY 2558 #endif 2559 2560 /* 2561 * initialise to avoid floating-point exceptions from overflow, etc 2562 */ 2563 #ifndef PERL_FPU_INIT 2564 # ifdef HAS_FPSETMASK 2565 # if HAS_FLOATINGPOINT_H 2566 # include <floatingpoint.h> 2567 # endif 2568 /* Some operating systems have this as a macro, which in turn expands to a comma 2569 expression, and the last sub-expression is something that gets calculated, 2570 and then they have the gall to warn that a value computed is not used. Hence 2571 cast to void. */ 2572 # define PERL_FPU_INIT (void)fpsetmask(0) 2573 # else 2574 # if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO) 2575 # define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN) 2576 # define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe); 2577 # define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); } 2578 # else 2579 # define PERL_FPU_INIT 2580 2581 # endif 2582 # endif 2583 #endif 2584 #ifndef PERL_FPU_PRE_EXEC 2585 # define PERL_FPU_PRE_EXEC { 2586 # define PERL_FPU_POST_EXEC } 2587 #endif 2588 2589 #ifndef PERL_SYS_INIT3_BODY 2590 # define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp) 2591 #endif 2592 2593 /* 2594 =for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv 2595 Provides system-specific tune up of the C runtime environment necessary to 2596 run Perl interpreters. This should be called only once, before creating 2597 any Perl interpreters. 2598 2599 =for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env 2600 Provides system-specific tune up of the C runtime environment necessary to 2601 run Perl interpreters. This should be called only once, before creating 2602 any Perl interpreters. 2603 2604 =for apidoc Am|void|PERL_SYS_TERM| 2605 Provides system-specific clean up of the C runtime environment after 2606 running Perl interpreters. This should be called only once, after 2607 freeing any remaining Perl interpreters. 2608 2609 =cut 2610 */ 2611 2612 #define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv) 2613 #define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env) 2614 #define PERL_SYS_TERM() Perl_sys_term() 2615 2616 #ifndef PERL_WRITE_MSG_TO_CONSOLE 2617 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len) 2618 #endif 2619 2620 #ifndef MAXPATHLEN 2621 # ifdef PATH_MAX 2622 # ifdef _POSIX_PATH_MAX 2623 # if PATH_MAX > _POSIX_PATH_MAX 2624 /* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX 2625 * included the null byte or not. Later amendments of POSIX, 2626 * XPG4, the Austin Group, and the Single UNIX Specification 2627 * all explicitly include the null byte in the PATH_MAX. 2628 * Ditto for _POSIX_PATH_MAX. */ 2629 # define MAXPATHLEN PATH_MAX 2630 # else 2631 # define MAXPATHLEN _POSIX_PATH_MAX 2632 # endif 2633 # else 2634 # define MAXPATHLEN (PATH_MAX+1) 2635 # endif 2636 # else 2637 # define MAXPATHLEN 1024 /* Err on the large side. */ 2638 # endif 2639 #endif 2640 2641 /* In case Configure was not used (we are using a "canned config" 2642 * such as Win32, or a cross-compilation setup, for example) try going 2643 * by the gcc major and minor versions. One useful URL is 2644 * http://www.ohse.de/uwe/articles/gcc-attributes.html, 2645 * but contrary to this information warn_unused_result seems 2646 * not to be in gcc 3.3.5, at least. --jhi 2647 * Also, when building extensions with an installed perl, this allows 2648 * the user to upgrade gcc and get the right attributes, rather than 2649 * relying on the list generated at Configure time. --AD 2650 * Set these up now otherwise we get confused when some of the <*thread.h> 2651 * includes below indirectly pull in <perlio.h> (which needs to know if we 2652 * have HASATTRIBUTE_FORMAT). 2653 */ 2654 2655 #ifndef PERL_MICRO 2656 #if defined __GNUC__ && !defined(__INTEL_COMPILER) 2657 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */ 2658 # define HASATTRIBUTE_DEPRECATED 2659 # endif 2660 # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */ 2661 # define HASATTRIBUTE_FORMAT 2662 # if defined __MINGW32__ 2663 # define PRINTF_FORMAT_NULL_OK 2664 # endif 2665 # endif 2666 # if __GNUC__ >= 3 /* 3.0 -> */ 2667 # define HASATTRIBUTE_MALLOC 2668 # endif 2669 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */ 2670 # define HASATTRIBUTE_NONNULL 2671 # endif 2672 # if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */ 2673 # define HASATTRIBUTE_NORETURN 2674 # endif 2675 # if __GNUC__ >= 3 /* gcc 3.0 -> */ 2676 # define HASATTRIBUTE_PURE 2677 # endif 2678 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */ 2679 # define HASATTRIBUTE_UNUSED 2680 # endif 2681 # if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus) 2682 # define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */ 2683 # endif 2684 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */ 2685 # define HASATTRIBUTE_WARN_UNUSED_RESULT 2686 # endif 2687 #endif 2688 #endif /* #ifndef PERL_MICRO */ 2689 2690 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes 2691 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h> 2692 * this results in many functions being undeclared which bothers C++ 2693 * May make sense to have threads after "*ish.h" anyway 2694 */ 2695 2696 #if defined(USE_ITHREADS) 2697 # ifdef NETWARE 2698 # include <nw5thread.h> 2699 # else 2700 # ifdef WIN32 2701 # include <win32thread.h> 2702 # else 2703 # ifdef OS2 2704 # include "os2thread.h" 2705 # else 2706 # ifdef I_MACH_CTHREADS 2707 # include <mach/cthreads.h> 2708 # if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC) 2709 # define MUTEX_INIT_CALLS_MALLOC 2710 # endif 2711 typedef cthread_t perl_os_thread; 2712 typedef mutex_t perl_mutex; 2713 typedef condition_t perl_cond; 2714 typedef void * perl_key; 2715 # else /* Posix threads */ 2716 # ifdef I_PTHREAD 2717 # include <pthread.h> 2718 # endif 2719 typedef pthread_t perl_os_thread; 2720 typedef pthread_mutex_t perl_mutex; 2721 typedef pthread_cond_t perl_cond; 2722 typedef pthread_key_t perl_key; 2723 # endif /* I_MACH_CTHREADS */ 2724 # endif /* OS2 */ 2725 # endif /* WIN32 */ 2726 # endif /* NETWARE */ 2727 #endif /* USE_ITHREADS */ 2728 2729 #if defined(WIN32) 2730 # include "win32.h" 2731 #endif 2732 2733 #ifdef NETWARE 2734 # include "netware.h" 2735 #endif 2736 2737 #define STATUS_UNIX PL_statusvalue 2738 #ifdef VMS 2739 # define STATUS_NATIVE PL_statusvalue_vms 2740 /* 2741 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise 2742 * its contents can not be trusted. Unfortunately, Perl seems to check 2743 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should 2744 * be updated also. 2745 */ 2746 # include <stsdef.h> 2747 # include <ssdef.h> 2748 /* Presume this because if VMS changes it, it will require a new 2749 * set of APIs for waiting on children for binary compatibility. 2750 */ 2751 # define child_offset_bits (8) 2752 # ifndef C_FAC_POSIX 2753 # define C_FAC_POSIX 0x35A000 2754 # endif 2755 2756 /* STATUS_EXIT - validates and returns a NATIVE exit status code for the 2757 * platform from the existing UNIX or Native status values. 2758 */ 2759 2760 # define STATUS_EXIT \ 2761 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \ 2762 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0)) 2763 2764 2765 /* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child 2766 * exit code and shifts the UNIX value over the correct number of bits to 2767 * be a child status. Usually the number of bits is 8, but that could be 2768 * platform dependent. The NATIVE status code is presumed to have either 2769 * from a child process. 2770 */ 2771 2772 /* This is complicated. The child processes return a true native VMS 2773 status which must be saved. But there is an assumption in Perl that 2774 the UNIX child status has some relationship to errno values, so 2775 Perl tries to translate it to text in some of the tests. 2776 In order to get the string translation correct, for the error, errno 2777 must be EVMSERR, but that generates a different text message 2778 than what the test programs are expecting. So an errno value must 2779 be derived from the native status value when an error occurs. 2780 That will hide the true native status message. With this version of 2781 perl, the true native child status can always be retrieved so that 2782 is not a problem. But in this case, Pl_statusvalue and errno may 2783 have different values in them. 2784 */ 2785 2786 # define STATUS_NATIVE_CHILD_SET(n) \ 2787 STMT_START { \ 2788 I32 evalue = (I32)n; \ 2789 if (evalue == EVMSERR) { \ 2790 PL_statusvalue_vms = vaxc$errno; \ 2791 PL_statusvalue = evalue; \ 2792 } else { \ 2793 PL_statusvalue_vms = evalue; \ 2794 if (evalue == -1) { \ 2795 PL_statusvalue = -1; \ 2796 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \ 2797 } else \ 2798 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \ 2799 set_vaxc_errno(evalue); \ 2800 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \ 2801 set_errno(EVMSERR); \ 2802 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \ 2803 PL_statusvalue = PL_statusvalue << child_offset_bits; \ 2804 } \ 2805 } STMT_END 2806 2807 # ifdef VMSISH_STATUS 2808 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX) 2809 # else 2810 # define STATUS_CURRENT STATUS_UNIX 2811 # endif 2812 2813 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update 2814 * the NATIVE status to an equivalent value. Can not be used to translate 2815 * exit code values as exit code values are not guaranteed to have any 2816 * relationship at all to errno values. 2817 * This is used when Perl is forcing errno to have a specific value. 2818 */ 2819 # define STATUS_UNIX_SET(n) \ 2820 STMT_START { \ 2821 I32 evalue = (I32)n; \ 2822 PL_statusvalue = evalue; \ 2823 if (PL_statusvalue != -1) { \ 2824 if (PL_statusvalue != EVMSERR) { \ 2825 PL_statusvalue &= 0xFFFF; \ 2826 if (MY_POSIX_EXIT) \ 2827 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\ 2828 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \ 2829 } \ 2830 else { \ 2831 PL_statusvalue_vms = vaxc$errno; \ 2832 } \ 2833 } \ 2834 else PL_statusvalue_vms = SS$_ABORT; \ 2835 set_vaxc_errno(PL_statusvalue_vms); \ 2836 } STMT_END 2837 2838 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets 2839 * the NATIVE error status based on it. 2840 * 2841 * When in the default mode to comply with the Perl VMS documentation, 2842 * 0 is a success and any other code sets the NATIVE status to a failure 2843 * code of SS$_ABORT. 2844 * 2845 * In the new POSIX EXIT mode, native status will be set so that the 2846 * actual exit code will can be retrieved by the calling program or 2847 * shell. 2848 * 2849 * If the exit code is not clearly a UNIX parent or child exit status, 2850 * it will be passed through as a VMS status. 2851 */ 2852 2853 # define STATUS_UNIX_EXIT_SET(n) \ 2854 STMT_START { \ 2855 I32 evalue = (I32)n; \ 2856 PL_statusvalue = evalue; \ 2857 if (MY_POSIX_EXIT) { \ 2858 if (evalue <= 0xFF00) { \ 2859 if (evalue > 0xFF) \ 2860 evalue = (evalue >> child_offset_bits) & 0xFF; \ 2861 PL_statusvalue_vms = \ 2862 (C_FAC_POSIX | (evalue << 3 ) | \ 2863 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \ 2864 } else /* forgive them Perl, for they have sinned */ \ 2865 PL_statusvalue_vms = evalue; \ 2866 } else { \ 2867 if (evalue == 0) \ 2868 PL_statusvalue_vms = SS$_NORMAL; \ 2869 else if (evalue <= 0xFF00) \ 2870 PL_statusvalue_vms = SS$_ABORT; \ 2871 else { /* forgive them Perl, for they have sinned */ \ 2872 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \ 2873 else PL_statusvalue_vms = vaxc$errno; \ 2874 /* And obviously used a VMS status value instead of UNIX */ \ 2875 PL_statusvalue = EVMSERR; \ 2876 } \ 2877 set_vaxc_errno(PL_statusvalue_vms); \ 2878 } \ 2879 } STMT_END 2880 2881 2882 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code 2883 * and sets the NATIVE error status based on it. This special case 2884 * is needed to maintain compatibility with past VMS behavior. 2885 * 2886 * In the default mode on VMS, this number is passed through as 2887 * both the NATIVE and UNIX status. Which makes it different 2888 * that the STATUS_UNIX_EXIT_SET. 2889 * 2890 * In the new POSIX EXIT mode, native status will be set so that the 2891 * actual exit code will can be retrieved by the calling program or 2892 * shell. 2893 * 2894 * A POSIX exit code is from 0 to 255. If the exit code is higher 2895 * than this, it needs to be assumed that it is a VMS exit code and 2896 * passed through. 2897 */ 2898 2899 # define STATUS_EXIT_SET(n) \ 2900 STMT_START { \ 2901 I32 evalue = (I32)n; \ 2902 PL_statusvalue = evalue; \ 2903 if (MY_POSIX_EXIT) \ 2904 if (evalue > 255) PL_statusvalue_vms = evalue; else { \ 2905 PL_statusvalue_vms = \ 2906 (C_FAC_POSIX | (evalue << 3 ) | \ 2907 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \ 2908 else \ 2909 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \ 2910 set_vaxc_errno(PL_statusvalue_vms); \ 2911 } STMT_END 2912 2913 2914 /* This macro forces a success status */ 2915 # define STATUS_ALL_SUCCESS \ 2916 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL) 2917 2918 /* This macro forces a failure status */ 2919 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, \ 2920 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \ 2921 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT) 2922 2923 #else 2924 # define STATUS_NATIVE PL_statusvalue_posix 2925 # if defined(WCOREDUMP) 2926 # define STATUS_NATIVE_CHILD_SET(n) \ 2927 STMT_START { \ 2928 PL_statusvalue_posix = (n); \ 2929 if (PL_statusvalue_posix == -1) \ 2930 PL_statusvalue = -1; \ 2931 else { \ 2932 PL_statusvalue = \ 2933 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \ 2934 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \ 2935 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \ 2936 } \ 2937 } STMT_END 2938 # elif defined(WIFEXITED) 2939 # define STATUS_NATIVE_CHILD_SET(n) \ 2940 STMT_START { \ 2941 PL_statusvalue_posix = (n); \ 2942 if (PL_statusvalue_posix == -1) \ 2943 PL_statusvalue = -1; \ 2944 else { \ 2945 PL_statusvalue = \ 2946 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \ 2947 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \ 2948 } \ 2949 } STMT_END 2950 # else 2951 # define STATUS_NATIVE_CHILD_SET(n) \ 2952 STMT_START { \ 2953 PL_statusvalue_posix = (n); \ 2954 if (PL_statusvalue_posix == -1) \ 2955 PL_statusvalue = -1; \ 2956 else { \ 2957 PL_statusvalue = \ 2958 PL_statusvalue_posix & 0xFFFF; \ 2959 } \ 2960 } STMT_END 2961 # endif 2962 # define STATUS_UNIX_SET(n) \ 2963 STMT_START { \ 2964 PL_statusvalue = (n); \ 2965 if (PL_statusvalue != -1) \ 2966 PL_statusvalue &= 0xFFFF; \ 2967 } STMT_END 2968 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n) 2969 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n) 2970 # define STATUS_CURRENT STATUS_UNIX 2971 # define STATUS_EXIT STATUS_UNIX 2972 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0) 2973 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1) 2974 #endif 2975 2976 /* flags in PL_exit_flags for nature of exit() */ 2977 #define PERL_EXIT_EXPECTED 0x01 2978 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */ 2979 #define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */ 2980 #define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */ 2981 2982 #ifndef PERL_CORE 2983 /* format to use for version numbers in file/directory names */ 2984 /* XXX move to Configure? */ 2985 /* This was only ever used for the current version, and that can be done at 2986 compile time, as PERL_FS_VERSION, so should we just delete it? */ 2987 # ifndef PERL_FS_VER_FMT 2988 # define PERL_FS_VER_FMT "%d.%d.%d" 2989 # endif 2990 #endif 2991 2992 #ifndef PERL_FS_VERSION 2993 # define PERL_FS_VERSION PERL_VERSION_STRING 2994 #endif 2995 2996 /* This defines a way to flush all output buffers. This may be a 2997 * performance issue, so we allow people to disable it. Also, if 2998 * we are using stdio, there are broken implementations of fflush(NULL) 2999 * out there, Solaris being the most prominent. 3000 */ 3001 #ifndef PERL_FLUSHALL_FOR_CHILD 3002 # if defined(USE_PERLIO) || defined(FFLUSH_NULL) 3003 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL) 3004 # else 3005 # ifdef FFLUSH_ALL 3006 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all() 3007 # else 3008 # define PERL_FLUSHALL_FOR_CHILD NOOP 3009 # endif 3010 # endif 3011 #endif 3012 3013 #ifndef PERL_WAIT_FOR_CHILDREN 3014 # define PERL_WAIT_FOR_CHILDREN NOOP 3015 #endif 3016 3017 /* the traditional thread-unsafe notion of "current interpreter". */ 3018 #ifndef PERL_SET_INTERP 3019 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i)) 3020 #endif 3021 3022 #ifndef PERL_GET_INTERP 3023 # define PERL_GET_INTERP (PL_curinterp) 3024 #endif 3025 3026 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX) 3027 # ifdef MULTIPLICITY 3028 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT) 3029 # endif 3030 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t) 3031 #endif 3032 3033 /* 3034 This replaces the previous %_ "hack" by the "%p" hacks. 3035 All that is required is that the perl source does not 3036 use "%-p" or "%-<number>p" or "%<number>p" formats. 3037 These formats will still work in perl code. 3038 See comments in sv.c for further details. 3039 3040 Robin Barker 2005-07-14 3041 3042 No longer use %1p for VDf = %vd. RMB 2007-10-19 3043 */ 3044 3045 #ifndef SVf_ 3046 # define SVf_(n) "-" STRINGIFY(n) "p" 3047 #endif 3048 3049 #ifndef SVf 3050 # define SVf "-p" 3051 #endif 3052 3053 #ifndef SVf32 3054 # define SVf32 SVf_(32) 3055 #endif 3056 3057 #ifndef SVf256 3058 # define SVf256 SVf_(256) 3059 #endif 3060 3061 #define SVfARG(p) ((void*)(p)) 3062 3063 #ifndef HEKf 3064 # define HEKf "2p" 3065 #endif 3066 3067 /* Not ideal, but we cannot easily include a number in an already-numeric 3068 * format sequence. */ 3069 #ifndef HEKf256 3070 # define HEKf256 "3p" 3071 #endif 3072 3073 #define HEKfARG(p) ((void*)(p)) 3074 3075 /* Takes three arguments: is_utf8, length, str */ 3076 #ifndef UTF8f 3077 # define UTF8f "d%" UVuf "%4p" 3078 #endif 3079 #define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p) 3080 3081 #ifdef PERL_CORE 3082 /* not used; but needed for backward compatibility with XS code? - RMB */ 3083 # undef UVf 3084 #else 3085 # ifndef UVf 3086 # define UVf UVuf 3087 # endif 3088 #endif 3089 3090 #ifdef HASATTRIBUTE_DEPRECATED 3091 # define __attribute__deprecated__ __attribute__((deprecated)) 3092 #endif 3093 #ifdef HASATTRIBUTE_FORMAT 3094 # define __attribute__format__(x,y,z) __attribute__((format(x,y,z))) 3095 #endif 3096 #ifdef HASATTRIBUTE_MALLOC 3097 # define __attribute__malloc__ __attribute__((__malloc__)) 3098 #endif 3099 #ifdef HASATTRIBUTE_NONNULL 3100 # define __attribute__nonnull__(a) __attribute__((nonnull(a))) 3101 #endif 3102 #ifdef HASATTRIBUTE_NORETURN 3103 # define __attribute__noreturn__ __attribute__((noreturn)) 3104 #endif 3105 #ifdef HASATTRIBUTE_PURE 3106 # define __attribute__pure__ __attribute__((pure)) 3107 #endif 3108 #ifdef HASATTRIBUTE_UNUSED 3109 # define __attribute__unused__ __attribute__((unused)) 3110 #endif 3111 #ifdef HASATTRIBUTE_WARN_UNUSED_RESULT 3112 # define __attribute__warn_unused_result__ __attribute__((warn_unused_result)) 3113 #endif 3114 3115 /* If we haven't defined the attributes yet, define them to blank. */ 3116 #ifndef __attribute__deprecated__ 3117 # define __attribute__deprecated__ 3118 #endif 3119 #ifndef __attribute__format__ 3120 # define __attribute__format__(x,y,z) 3121 #endif 3122 #ifndef __attribute__malloc__ 3123 # define __attribute__malloc__ 3124 #endif 3125 #ifndef __attribute__nonnull__ 3126 # define __attribute__nonnull__(a) 3127 #endif 3128 #ifndef __attribute__noreturn__ 3129 # define __attribute__noreturn__ 3130 #endif 3131 #ifndef __attribute__pure__ 3132 # define __attribute__pure__ 3133 #endif 3134 #ifndef __attribute__unused__ 3135 # define __attribute__unused__ 3136 #endif 3137 #ifndef __attribute__warn_unused_result__ 3138 # define __attribute__warn_unused_result__ 3139 #endif 3140 3141 /* For functions that are marked as __attribute__noreturn__, it's not 3142 appropriate to call return. In either case, include the lint directive. 3143 */ 3144 #ifdef HASATTRIBUTE_NORETURN 3145 # define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ 3146 #else 3147 # define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0 3148 #endif 3149 3150 /* Some OS warn on NULL format to printf */ 3151 #ifdef PRINTF_FORMAT_NULL_OK 3152 # define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z) 3153 #else 3154 # define __attribute__format__null_ok__(x,y,z) 3155 #endif 3156 3157 #ifdef HAS_BUILTIN_EXPECT 3158 # define EXPECT(expr,val) __builtin_expect(expr,val) 3159 #else 3160 # define EXPECT(expr,val) (expr) 3161 #endif 3162 #define LIKELY(cond) EXPECT(cBOOL(cond),TRUE) 3163 #define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE) 3164 #ifdef HAS_BUILTIN_CHOOSE_EXPR 3165 /* placeholder */ 3166 #endif 3167 3168 3169 #ifndef __has_builtin 3170 # define __has_builtin(x) 0 /* not a clang style compiler */ 3171 #endif 3172 3173 /* ASSUME is like assert(), but it has a benefit in a release build. It is a 3174 hint to a compiler about a statement of fact in a function call free 3175 expression, which allows the compiler to generate better machine code. 3176 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means 3177 the control path is unreachable. In a for loop, ASSUME can be used to hint 3178 that a loop will run atleast X times. ASSUME is based off MSVC's __assume 3179 intrinsic function, see its documents for more details. 3180 */ 3181 3182 #ifndef DEBUGGING 3183 # if __has_builtin(__builtin_unreachable) \ 3184 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */ 3185 # define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable()) 3186 # elif defined(_MSC_VER) 3187 # define ASSUME(x) __assume(x) 3188 # elif defined(__ARMCC_VERSION) /* untested */ 3189 # define ASSUME(x) __promise(x) 3190 # else 3191 /* a random compiler might define assert to its own special optimization token 3192 so pass it through to C lib as a last resort */ 3193 # define ASSUME(x) assert(x) 3194 # endif 3195 #else 3196 # define ASSUME(x) assert(x) 3197 #endif 3198 3199 #define NOT_REACHED ASSUME(0) 3200 3201 /* Some unistd.h's give a prototype for pause() even though 3202 HAS_PAUSE ends up undefined. This causes the #define 3203 below to be rejected by the compiler. Sigh. 3204 */ 3205 #ifdef HAS_PAUSE 3206 #define Pause pause 3207 #else 3208 #define Pause() sleep((32767<<16)+32767) 3209 #endif 3210 3211 #ifndef IOCPARM_LEN 3212 # ifdef IOCPARM_MASK 3213 /* on BSDish systems we're safe */ 3214 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK) 3215 # else 3216 # if defined(_IOC_SIZE) && defined(__GLIBC__) 3217 /* on Linux systems we're safe; except when we're not [perl #38223] */ 3218 # define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x)) 3219 # else 3220 /* otherwise guess at what's safe */ 3221 # define IOCPARM_LEN(x) 256 3222 # endif 3223 # endif 3224 #endif 3225 3226 #if defined(__CYGWIN__) 3227 /* USEMYBINMODE 3228 * This symbol, if defined, indicates that the program should 3229 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure 3230 * that a file is in "binary" mode -- that is, that no translation 3231 * of bytes occurs on read or write operations. 3232 */ 3233 # define USEMYBINMODE /**/ 3234 # include <io.h> /* for setmode() prototype */ 3235 # define my_binmode(fp, iotype, mode) \ 3236 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE) 3237 #endif 3238 3239 #ifdef __CYGWIN__ 3240 void init_os_extras(void); 3241 #endif 3242 3243 #ifdef UNION_ANY_DEFINITION 3244 UNION_ANY_DEFINITION; 3245 #else 3246 union any { 3247 void* any_ptr; 3248 I32 any_i32; 3249 U32 any_u32; 3250 IV any_iv; 3251 UV any_uv; 3252 long any_long; 3253 bool any_bool; 3254 void (*any_dptr) (void*); 3255 void (*any_dxptr) (pTHX_ void*); 3256 }; 3257 #endif 3258 3259 typedef I32 (*filter_t) (pTHX_ int, SV *, int); 3260 3261 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len) 3262 #define FILTER_DATA(idx) \ 3263 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL) 3264 #define FILTER_ISREADER(idx) \ 3265 (PL_parser && PL_parser->rsfp_filters \ 3266 && idx >= AvFILLp(PL_parser->rsfp_filters)) 3267 #define PERL_FILTER_EXISTS(i) \ 3268 (PL_parser && PL_parser->rsfp_filters \ 3269 && (i) <= av_tindex(PL_parser->rsfp_filters)) 3270 3271 #if defined(_AIX) && !defined(_AIX43) 3272 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE) 3273 /* We cannot include <crypt.h> to get the struct crypt_data 3274 * because of setkey prototype problems when threading */ 3275 typedef struct crypt_data { /* straight from /usr/include/crypt.h */ 3276 /* From OSF, Not needed in AIX 3277 char C[28], D[28]; 3278 */ 3279 char E[48]; 3280 char KS[16][48]; 3281 char block[66]; 3282 char iobuf[16]; 3283 } CRYPTD; 3284 #endif /* threading */ 3285 #endif /* AIX */ 3286 3287 #if !defined(OS2) 3288 # include "iperlsys.h" 3289 #endif 3290 3291 #ifdef __LIBCATAMOUNT__ 3292 #undef HAS_PASSWD /* unixish.h but not unixish enough. */ 3293 #undef HAS_GROUP 3294 #define FAKE_BIT_BUCKET 3295 #endif 3296 3297 /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0. 3298 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT* 3299 * defined by Configure, despite their names being similar to the 3300 * other defines like USE_ITHREADS. Configure in fact knows nothing 3301 * about the randomised hashes. Therefore to enable/disable the hash 3302 * randomisation defines use the Configure -Accflags=... instead. */ 3303 #if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT) 3304 # define USE_HASH_SEED 3305 #endif 3306 3307 /* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator 3308 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so 3309 * it's not really needed. 3310 */ 3311 #if defined(WIN32) 3312 # define YYTOKENTYPE 3313 #endif 3314 #include "perly.h" 3315 3316 #ifdef PERL_MAD 3317 struct nexttoken { 3318 YYSTYPE next_val; /* value of next token, if any */ 3319 I32 next_type; /* type of next token */ 3320 MADPROP *next_mad; /* everything else about that token */ 3321 }; 3322 #endif 3323 3324 /* macros to define bit-fields in structs. */ 3325 #ifndef PERL_BITFIELD8 3326 # define PERL_BITFIELD8 unsigned 3327 #endif 3328 #ifndef PERL_BITFIELD16 3329 # define PERL_BITFIELD16 unsigned 3330 #endif 3331 #ifndef PERL_BITFIELD32 3332 # define PERL_BITFIELD32 unsigned 3333 #endif 3334 3335 #include "sv.h" 3336 #include "regexp.h" 3337 #include "util.h" 3338 #include "form.h" 3339 #include "gv.h" 3340 #include "pad.h" 3341 #include "cv.h" 3342 #include "opnames.h" 3343 #include "op.h" 3344 #include "hv.h" 3345 #include "cop.h" 3346 #include "av.h" 3347 #include "mg.h" 3348 #include "scope.h" 3349 #include "warnings.h" 3350 #include "utf8.h" 3351 3352 /* these would be in doio.h if there was such a file */ 3353 #define my_stat() my_stat_flags(SV_GMAGIC) 3354 #define my_lstat() my_lstat_flags(SV_GMAGIC) 3355 3356 /* defined in sv.c, but also used in [ach]v.c */ 3357 #undef _XPV_HEAD 3358 #undef _XPVMG_HEAD 3359 #undef _XPVCV_COMMON 3360 3361 typedef struct _sublex_info SUBLEXINFO; 3362 struct _sublex_info { 3363 U8 super_state; /* lexer state to save */ 3364 U16 sub_inwhat; /* "lex_inwhat" to use */ 3365 OP *sub_op; /* "lex_op" to use */ 3366 SV *repl; /* replacement of s/// or y/// */ 3367 }; 3368 3369 #include "parser.h" 3370 3371 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */ 3372 3373 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C) 3374 3375 /* These have to be predeclared, as they are used in proto.h which is #included 3376 * before their definitions in regcomp.h. */ 3377 3378 struct scan_data_t; 3379 typedef struct regnode_charclass regnode_charclass; 3380 3381 struct regnode_charclass_class; 3382 3383 /* A hopefully less confusing name. The sub-classes are all Posix classes only 3384 * used under /l matching */ 3385 typedef struct regnode_charclass_class regnode_charclass_posixl; 3386 3387 typedef struct regnode_ssc regnode_ssc; 3388 typedef struct RExC_state_t RExC_state_t; 3389 struct _reg_trie_data; 3390 3391 #endif 3392 3393 struct ptr_tbl_ent { 3394 struct ptr_tbl_ent* next; 3395 const void* oldval; 3396 void* newval; 3397 }; 3398 3399 struct ptr_tbl { 3400 struct ptr_tbl_ent** tbl_ary; 3401 UV tbl_max; 3402 UV tbl_items; 3403 struct ptr_tbl_arena *tbl_arena; 3404 struct ptr_tbl_ent *tbl_arena_next; 3405 struct ptr_tbl_ent *tbl_arena_end; 3406 }; 3407 3408 #if defined(htonl) && !defined(HAS_HTONL) 3409 #define HAS_HTONL 3410 #endif 3411 #if defined(htons) && !defined(HAS_HTONS) 3412 #define HAS_HTONS 3413 #endif 3414 #if defined(ntohl) && !defined(HAS_NTOHL) 3415 #define HAS_NTOHL 3416 #endif 3417 #if defined(ntohs) && !defined(HAS_NTOHS) 3418 #define HAS_NTOHS 3419 #endif 3420 #ifndef HAS_HTONL 3421 #define HAS_HTONS 3422 #define HAS_HTONL 3423 #define HAS_NTOHS 3424 #define HAS_NTOHL 3425 # if (BYTEORDER & 0xffff) == 0x4321 3426 /* Big endian system, so ntohl, ntohs, htonl and htons do not need to 3427 re-order their values. However, to behave identically to the alternative 3428 implementations, they should truncate to the correct size. */ 3429 # define ntohl(x) ((x)&0xFFFFFFFF) 3430 # define htonl(x) ntohl(x) 3431 # define ntohs(x) ((x)&0xFFFF) 3432 # define htons(x) ntohs(x) 3433 # elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 3434 3435 /* Note that we can't straight out declare our own htonl and htons because 3436 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl, 3437 to avoid the overhead of initialising the socket subsystem, but the headers 3438 that *declare* the various functions are still seen. If we declare our own 3439 htonl etc they will clash with the declarations in the Win32 headers. */ 3440 3441 PERL_STATIC_INLINE U32 3442 my_swap32(const U32 x) { 3443 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF) 3444 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8); 3445 } 3446 3447 PERL_STATIC_INLINE U16 3448 my_swap16(const U16 x) { 3449 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF); 3450 } 3451 3452 # define htonl(x) my_swap32(x) 3453 # define ntohl(x) my_swap32(x) 3454 # define ntohs(x) my_swap16(x) 3455 # define htons(x) my_swap16(x) 3456 # else 3457 # error "Unsupported byteorder" 3458 /* The C pre-processor doesn't let us return the value of BYTEORDER as part of 3459 the error message. Please check the value of the macro BYTEORDER, as defined 3460 in config.h. The values of BYTEORDER we expect are 3461 3462 big endian little endian 3463 32 bit 0x4321 0x1234 3464 64 bit 0x87654321 0x12345678 3465 3466 If you have a system with a different byte order, please see 3467 pod/perlhack.pod for how to submit a patch to add supporting code. 3468 */ 3469 # endif 3470 #endif 3471 3472 /* 3473 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'. 3474 * -DWS 3475 */ 3476 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 3477 /* Little endian system, so vtohl, vtohs, htovl and htovs do not need to 3478 re-order their values. However, to behave identically to the alternative 3479 implementations, they should truncate to the correct size. */ 3480 # define vtohl(x) ((x)&0xFFFFFFFF) 3481 # define vtohs(x) ((x)&0xFFFF) 3482 # define htovl(x) vtohl(x) 3483 # define htovs(x) vtohs(x) 3484 #elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 3485 # define vtohl(x) ((((x)&0xFF)<<24) \ 3486 +(((x)>>24)&0xFF) \ 3487 +(((x)&0x0000FF00)<<8) \ 3488 +(((x)&0x00FF0000)>>8) ) 3489 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF)) 3490 # define htovl(x) vtohl(x) 3491 # define htovs(x) vtohs(x) 3492 #else 3493 # error "Unsupported byteorder" 3494 /* If you have need for current perl on PDP-11 or similar, and can help test 3495 that blead keeps working on a mixed-endian system, then see 3496 pod/perlhack.pod for how to submit patches to things working again. */ 3497 #endif 3498 3499 /* *MAX Plus 1. A floating point value. 3500 Hopefully expressed in a way that dodgy floating point can't mess up. 3501 >> 2 rather than 1, so that value is safely less than I32_MAX after 1 3502 is added to it 3503 May find that some broken compiler will want the value cast to I32. 3504 [after the shift, as signed >> may not be as secure as unsigned >>] 3505 */ 3506 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1))) 3507 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2))) 3508 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or 3509 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV) 3510 may be greater than sizeof(IV), so don't assume that half max UV is max IV. 3511 */ 3512 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2))) 3513 3514 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2))) 3515 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1))) 3516 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2))) 3517 3518 /* This may look like unnecessary jumping through hoops, but converting 3519 out of range floating point values to integers *is* undefined behaviour, 3520 and it is starting to bite. 3521 */ 3522 #ifndef CAST_INLINE 3523 #define I_32(what) (cast_i32((NV)(what))) 3524 #define U_32(what) (cast_ulong((NV)(what))) 3525 #define I_V(what) (cast_iv((NV)(what))) 3526 #define U_V(what) (cast_uv((NV)(what))) 3527 #else 3528 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \ 3529 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \ 3530 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */))) 3531 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \ 3532 : ((n) < U32_MAX_P1 ? (U32) (n) \ 3533 : ((n) > 0 ? U32_MAX : 0 /* NaN */))) 3534 #define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \ 3535 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \ 3536 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */))) 3537 #define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \ 3538 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \ 3539 : ((n) > 0 ? UV_MAX : 0 /* NaN */))) 3540 #endif 3541 3542 #define U_S(what) ((U16)U_32(what)) 3543 #define U_I(what) ((unsigned int)U_32(what)) 3544 #define U_L(what) U_32(what) 3545 3546 #ifdef HAS_SIGNBIT 3547 # define Perl_signbit signbit 3548 #endif 3549 3550 /* These do not care about the fractional part, only about the range. */ 3551 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX) 3552 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX) 3553 3554 /* Used with UV/IV arguments: */ 3555 /* XXXX: need to speed it up */ 3556 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv)) 3557 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv)) 3558 3559 #ifndef MAXSYSFD 3560 # define MAXSYSFD 2 3561 #endif 3562 3563 #ifndef __cplusplus 3564 #if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN)) 3565 Uid_t getuid (void); 3566 Uid_t geteuid (void); 3567 Gid_t getgid (void); 3568 Gid_t getegid (void); 3569 #endif 3570 #endif 3571 3572 #ifndef Perl_debug_log 3573 # define Perl_debug_log PerlIO_stderr() 3574 #endif 3575 3576 #ifndef Perl_error_log 3577 # define Perl_error_log (PL_stderrgv \ 3578 && isGV(PL_stderrgv) \ 3579 && GvIOp(PL_stderrgv) \ 3580 && IoOFP(GvIOp(PL_stderrgv)) \ 3581 ? IoOFP(GvIOp(PL_stderrgv)) \ 3582 : PerlIO_stderr()) 3583 #endif 3584 3585 3586 #define DEBUG_p_FLAG 0x00000001 /* 1 */ 3587 #define DEBUG_s_FLAG 0x00000002 /* 2 */ 3588 #define DEBUG_l_FLAG 0x00000004 /* 4 */ 3589 #define DEBUG_t_FLAG 0x00000008 /* 8 */ 3590 #define DEBUG_o_FLAG 0x00000010 /* 16 */ 3591 #define DEBUG_c_FLAG 0x00000020 /* 32 */ 3592 #define DEBUG_P_FLAG 0x00000040 /* 64 */ 3593 #define DEBUG_m_FLAG 0x00000080 /* 128 */ 3594 #define DEBUG_f_FLAG 0x00000100 /* 256 */ 3595 #define DEBUG_r_FLAG 0x00000200 /* 512 */ 3596 #define DEBUG_x_FLAG 0x00000400 /* 1024 */ 3597 #define DEBUG_u_FLAG 0x00000800 /* 2048 */ 3598 /* U is reserved for Unofficial, exploratory hacking */ 3599 #define DEBUG_U_FLAG 0x00001000 /* 4096 */ 3600 #define DEBUG_H_FLAG 0x00002000 /* 8192 */ 3601 #define DEBUG_X_FLAG 0x00004000 /* 16384 */ 3602 #define DEBUG_D_FLAG 0x00008000 /* 32768 */ 3603 #define DEBUG_S_FLAG 0x00010000 /* 65536 */ 3604 #define DEBUG_T_FLAG 0x00020000 /* 131072 */ 3605 #define DEBUG_R_FLAG 0x00040000 /* 262144 */ 3606 #define DEBUG_J_FLAG 0x00080000 /* 524288 */ 3607 #define DEBUG_v_FLAG 0x00100000 /*1048576 */ 3608 #define DEBUG_C_FLAG 0x00200000 /*2097152 */ 3609 #define DEBUG_A_FLAG 0x00400000 /*4194304 */ 3610 #define DEBUG_q_FLAG 0x00800000 /*8388608 */ 3611 #define DEBUG_M_FLAG 0x01000000 /*16777216*/ 3612 #define DEBUG_B_FLAG 0x02000000 /*33554432*/ 3613 #define DEBUG_L_FLAG 0x04000000 /*67108864*/ 3614 #define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */ 3615 3616 #define DEBUG_DB_RECURSE_FLAG 0x40000000 3617 #define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal 3618 that something was done? */ 3619 3620 # define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG) 3621 # define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG) 3622 # define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG) 3623 # define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG) 3624 # define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG) 3625 # define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG) 3626 # define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG) 3627 # define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG) 3628 # define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG) 3629 # define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG) 3630 # define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG) 3631 # define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG) 3632 # define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG) 3633 # define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG) 3634 # define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG) 3635 # define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG) 3636 # define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG) 3637 # define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG) 3638 # define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG) 3639 # define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG) 3640 # define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG) 3641 # define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG) 3642 # define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG) 3643 # define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG) 3644 # define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG) 3645 # define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG) 3646 # define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG) 3647 # define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_) 3648 # define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_) 3649 # define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_) 3650 3651 #ifdef DEBUGGING 3652 3653 # define DEBUG_p_TEST DEBUG_p_TEST_ 3654 # define DEBUG_s_TEST DEBUG_s_TEST_ 3655 # define DEBUG_l_TEST DEBUG_l_TEST_ 3656 # define DEBUG_t_TEST DEBUG_t_TEST_ 3657 # define DEBUG_o_TEST DEBUG_o_TEST_ 3658 # define DEBUG_c_TEST DEBUG_c_TEST_ 3659 # define DEBUG_P_TEST DEBUG_P_TEST_ 3660 # define DEBUG_m_TEST DEBUG_m_TEST_ 3661 # define DEBUG_f_TEST DEBUG_f_TEST_ 3662 # define DEBUG_r_TEST DEBUG_r_TEST_ 3663 # define DEBUG_x_TEST DEBUG_x_TEST_ 3664 # define DEBUG_u_TEST DEBUG_u_TEST_ 3665 # define DEBUG_U_TEST DEBUG_U_TEST_ 3666 # define DEBUG_H_TEST DEBUG_H_TEST_ 3667 # define DEBUG_X_TEST DEBUG_X_TEST_ 3668 # define DEBUG_D_TEST DEBUG_D_TEST_ 3669 # define DEBUG_S_TEST DEBUG_S_TEST_ 3670 # define DEBUG_T_TEST DEBUG_T_TEST_ 3671 # define DEBUG_R_TEST DEBUG_R_TEST_ 3672 # define DEBUG_J_TEST DEBUG_J_TEST_ 3673 # define DEBUG_v_TEST DEBUG_v_TEST_ 3674 # define DEBUG_C_TEST DEBUG_C_TEST_ 3675 # define DEBUG_A_TEST DEBUG_A_TEST_ 3676 # define DEBUG_q_TEST DEBUG_q_TEST_ 3677 # define DEBUG_M_TEST DEBUG_M_TEST_ 3678 # define DEBUG_B_TEST DEBUG_B_TEST_ 3679 # define DEBUG_L_TEST DEBUG_L_TEST_ 3680 # define DEBUG_Xv_TEST DEBUG_Xv_TEST_ 3681 # define DEBUG_Uv_TEST DEBUG_Uv_TEST_ 3682 # define DEBUG_Pv_TEST DEBUG_Pv_TEST_ 3683 3684 # define PERL_DEB(a) a 3685 # define PERL_DEBUG(a) if (PL_debug) a 3686 # define DEBUG_p(a) if (DEBUG_p_TEST) a 3687 # define DEBUG_s(a) if (DEBUG_s_TEST) a 3688 # define DEBUG_l(a) if (DEBUG_l_TEST) a 3689 # define DEBUG_t(a) if (DEBUG_t_TEST) a 3690 # define DEBUG_o(a) if (DEBUG_o_TEST) a 3691 # define DEBUG_c(a) if (DEBUG_c_TEST) a 3692 # define DEBUG_P(a) if (DEBUG_P_TEST) a 3693 3694 /* Temporarily turn off memory debugging in case the a 3695 * does memory allocation, either directly or indirectly. */ 3696 # define DEBUG_m(a) \ 3697 STMT_START { \ 3698 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \ 3699 } STMT_END 3700 3701 # define DEBUG__(t, a) \ 3702 STMT_START { \ 3703 if (t) STMT_START {a;} STMT_END; \ 3704 } STMT_END 3705 3706 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a) 3707 #ifndef PERL_EXT_RE_BUILD 3708 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a) 3709 #else 3710 # define DEBUG_r(a) STMT_START {a;} STMT_END 3711 #endif /* PERL_EXT_RE_BUILD */ 3712 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a) 3713 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a) 3714 # define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a) 3715 # define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a) 3716 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a) 3717 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a) 3718 # define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a) 3719 # define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a) 3720 # define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a) 3721 3722 # define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a) 3723 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a) 3724 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a) 3725 # define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a) 3726 # define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a) 3727 # define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a) 3728 # define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a) 3729 # define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a) 3730 # define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a) 3731 # define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a) 3732 3733 #else /* DEBUGGING */ 3734 3735 # define DEBUG_p_TEST (0) 3736 # define DEBUG_s_TEST (0) 3737 # define DEBUG_l_TEST (0) 3738 # define DEBUG_t_TEST (0) 3739 # define DEBUG_o_TEST (0) 3740 # define DEBUG_c_TEST (0) 3741 # define DEBUG_P_TEST (0) 3742 # define DEBUG_m_TEST (0) 3743 # define DEBUG_f_TEST (0) 3744 # define DEBUG_r_TEST (0) 3745 # define DEBUG_x_TEST (0) 3746 # define DEBUG_u_TEST (0) 3747 # define DEBUG_U_TEST (0) 3748 # define DEBUG_H_TEST (0) 3749 # define DEBUG_X_TEST (0) 3750 # define DEBUG_D_TEST (0) 3751 # define DEBUG_S_TEST (0) 3752 # define DEBUG_T_TEST (0) 3753 # define DEBUG_R_TEST (0) 3754 # define DEBUG_J_TEST (0) 3755 # define DEBUG_v_TEST (0) 3756 # define DEBUG_C_TEST (0) 3757 # define DEBUG_A_TEST (0) 3758 # define DEBUG_q_TEST (0) 3759 # define DEBUG_M_TEST (0) 3760 # define DEBUG_B_TEST (0) 3761 # define DEBUG_L_TEST (0) 3762 # define DEBUG_Xv_TEST (0) 3763 # define DEBUG_Uv_TEST (0) 3764 # define DEBUG_Pv_TEST (0) 3765 3766 # define PERL_DEB(a) 3767 # define PERL_DEBUG(a) 3768 # define DEBUG_p(a) 3769 # define DEBUG_s(a) 3770 # define DEBUG_l(a) 3771 # define DEBUG_t(a) 3772 # define DEBUG_o(a) 3773 # define DEBUG_c(a) 3774 # define DEBUG_P(a) 3775 # define DEBUG_m(a) 3776 # define DEBUG_f(a) 3777 # define DEBUG_r(a) 3778 # define DEBUG_x(a) 3779 # define DEBUG_u(a) 3780 # define DEBUG_U(a) 3781 # define DEBUG_H(a) 3782 # define DEBUG_X(a) 3783 # define DEBUG_D(a) 3784 # define DEBUG_S(a) 3785 # define DEBUG_T(a) 3786 # define DEBUG_R(a) 3787 # define DEBUG_v(a) 3788 # define DEBUG_C(a) 3789 # define DEBUG_A(a) 3790 # define DEBUG_q(a) 3791 # define DEBUG_M(a) 3792 # define DEBUG_B(a) 3793 # define DEBUG_L(a) 3794 # define DEBUG_Xv(a) 3795 # define DEBUG_Uv(a) 3796 # define DEBUG_Pv(a) 3797 #endif /* DEBUGGING */ 3798 3799 3800 #define DEBUG_SCOPE(where) \ 3801 DEBUG_l( \ 3802 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \ 3803 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \ 3804 __FILE__, __LINE__)); 3805 3806 #if defined(DEBUGGING) && defined(I_ASSERT) 3807 # include <assert.h> 3808 #endif 3809 3810 /* Keep the old croak based assert for those who want it, and as a fallback if 3811 the platform is so heretically non-ANSI that it can't assert. */ 3812 3813 #define Perl_assert(what) PERL_DEB( \ 3814 ((what) ? ((void) 0) : \ 3815 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \ 3816 "\", line %d", STRINGIFY(what), __LINE__), \ 3817 (void) 0))) 3818 3819 #ifndef assert 3820 # define assert(what) Perl_assert(what) 3821 #endif 3822 #ifdef DEBUGGING 3823 # define assert_(what) assert(what), 3824 #else 3825 # define assert_(what) 3826 #endif 3827 3828 struct ufuncs { 3829 I32 (*uf_val)(pTHX_ IV, SV*); 3830 I32 (*uf_set)(pTHX_ IV, SV*); 3831 IV uf_index; 3832 }; 3833 3834 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context. 3835 * XS code wanting to be backward compatible can do something 3836 * like the following: 3837 3838 #ifndef PERL_MG_UFUNC 3839 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv) 3840 #endif 3841 3842 static PERL_MG_UFUNC(foo_get, index, val) 3843 { 3844 sv_setsv(val, ...); 3845 return TRUE; 3846 } 3847 3848 -- Doug MacEachern 3849 3850 */ 3851 3852 #ifndef PERL_MG_UFUNC 3853 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv) 3854 #endif 3855 3856 /* Fix these up for __STDC__ */ 3857 #ifndef DONT_DECLARE_STD 3858 char *mktemp (char*); 3859 #ifndef atof 3860 double atof (const char*); 3861 #endif 3862 #endif 3863 3864 #ifndef STANDARD_C 3865 /* All of these are in stdlib.h or time.h for ANSI C */ 3866 Time_t time(); 3867 struct tm *gmtime(), *localtime(); 3868 #if defined(OEMVS) 3869 char *(strchr)(), *(strrchr)(); 3870 char *(strcpy)(), *(strcat)(); 3871 #else 3872 char *strchr(), *strrchr(); 3873 char *strcpy(), *strcat(); 3874 #endif 3875 #endif /* ! STANDARD_C */ 3876 3877 3878 #ifdef I_MATH 3879 # include <math.h> 3880 #else 3881 START_EXTERN_C 3882 double exp (double); 3883 double log (double); 3884 double log10 (double); 3885 double sqrt (double); 3886 double frexp (double,int*); 3887 double ldexp (double,int); 3888 double modf (double,double*); 3889 double sin (double); 3890 double cos (double); 3891 double atan2 (double,double); 3892 double pow (double,double); 3893 END_EXTERN_C 3894 #endif 3895 3896 #if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY) 3897 # define NV_INF LDBL_INFINITY 3898 #endif 3899 #if !defined(NV_INF) && defined(DBL_INFINITY) 3900 # define NV_INF (NV)DBL_INFINITY 3901 #endif 3902 #if !defined(NV_INF) && defined(INFINITY) 3903 # define NV_INF (NV)INFINITY 3904 #endif 3905 #if !defined(NV_INF) && defined(INF) 3906 # define NV_INF (NV)INF 3907 #endif 3908 #if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL) 3909 # define NV_INF (NV)HUGE_VALL 3910 #endif 3911 #if !defined(NV_INF) && defined(HUGE_VAL) 3912 # define NV_INF (NV)HUGE_VAL 3913 #endif 3914 3915 #if !defined(NV_NAN) && defined(USE_LONG_DOUBLE) 3916 # if !defined(NV_NAN) && defined(LDBL_NAN) 3917 # define NV_NAN LDBL_NAN 3918 # endif 3919 # if !defined(NV_NAN) && defined(LDBL_QNAN) 3920 # define NV_NAN LDBL_QNAN 3921 # endif 3922 # if !defined(NV_NAN) && defined(LDBL_SNAN) 3923 # define NV_NAN LDBL_SNAN 3924 # endif 3925 #endif 3926 #if !defined(NV_NAN) && defined(DBL_NAN) 3927 # define NV_NAN (NV)DBL_NAN 3928 #endif 3929 #if !defined(NV_NAN) && defined(DBL_QNAN) 3930 # define NV_NAN (NV)DBL_QNAN 3931 #endif 3932 #if !defined(NV_NAN) && defined(DBL_SNAN) 3933 # define NV_NAN (NV)DBL_SNAN 3934 #endif 3935 #if !defined(NV_NAN) && defined(QNAN) 3936 # define NV_NAN (NV)QNAN 3937 #endif 3938 #if !defined(NV_NAN) && defined(SNAN) 3939 # define NV_NAN (NV)SNAN 3940 #endif 3941 #if !defined(NV_NAN) && defined(NAN) 3942 # define NV_NAN (NV)NAN 3943 #endif 3944 3945 #ifndef __cplusplus 3946 # if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */ 3947 char *crypt (); /* Maybe more hosts will need the unprototyped version */ 3948 # else 3949 # if !defined(WIN32) && !defined(VMS) 3950 #ifndef crypt 3951 char *crypt (const char*, const char*); 3952 #endif 3953 # endif /* !WIN32 */ 3954 # endif /* !NeXT && !__NeXT__ */ 3955 # ifndef DONT_DECLARE_STD 3956 # ifndef getenv 3957 char *getenv (const char*); 3958 # endif /* !getenv */ 3959 # if !defined(HAS_LSEEK_PROTO) && !defined(__hpux) 3960 # ifdef _FILE_OFFSET_BITS 3961 # if _FILE_OFFSET_BITS == 64 3962 Off_t lseek (int,Off_t,int); 3963 # endif 3964 # endif 3965 # endif 3966 # endif /* !DONT_DECLARE_STD */ 3967 # ifndef WIN32 3968 # ifndef getlogin 3969 char *getlogin (void); 3970 # endif 3971 # endif /* !WIN32 */ 3972 #endif /* !__cplusplus */ 3973 3974 /* Fixme on VMS. This needs to be a run-time, not build time options */ 3975 /* Also rename() is affected by this */ 3976 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */ 3977 #define UNLINK unlnk 3978 I32 unlnk (pTHX_ const char*); 3979 #else 3980 #define UNLINK PerlLIO_unlink 3981 #endif 3982 3983 /* some versions of glibc are missing the setresuid() proto */ 3984 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO) 3985 int setresuid(uid_t ruid, uid_t euid, uid_t suid); 3986 #endif 3987 /* some versions of glibc are missing the setresgid() proto */ 3988 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO) 3989 int setresgid(gid_t rgid, gid_t egid, gid_t sgid); 3990 #endif 3991 3992 #ifndef HAS_SETREUID 3993 # ifdef HAS_SETRESUID 3994 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1) 3995 # define HAS_SETREUID 3996 # endif 3997 #endif 3998 #ifndef HAS_SETREGID 3999 # ifdef HAS_SETRESGID 4000 # define setregid(r,e) setresgid(r,e,(Gid_t)-1) 4001 # define HAS_SETREGID 4002 # endif 4003 #endif 4004 4005 /* Sighandler_t defined in iperlsys.h */ 4006 4007 #ifdef HAS_SIGACTION 4008 typedef struct sigaction Sigsave_t; 4009 #else 4010 typedef Sighandler_t Sigsave_t; 4011 #endif 4012 4013 #define SCAN_DEF 0 4014 #define SCAN_TR 1 4015 #define SCAN_REPL 2 4016 4017 #ifdef DEBUGGING 4018 # ifndef register 4019 # define register 4020 # endif 4021 # define RUNOPS_DEFAULT Perl_runops_debug 4022 #else 4023 # define RUNOPS_DEFAULT Perl_runops_standard 4024 #endif 4025 4026 #if defined(USE_PERLIO) 4027 EXTERN_C void PerlIO_teardown(void); 4028 # ifdef USE_ITHREADS 4029 # define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex) 4030 # define PERLIO_TERM \ 4031 STMT_START { \ 4032 PerlIO_teardown(); \ 4033 MUTEX_DESTROY(&PL_perlio_mutex);\ 4034 } STMT_END 4035 # else 4036 # define PERLIO_INIT 4037 # define PERLIO_TERM PerlIO_teardown() 4038 # endif 4039 #else 4040 # define PERLIO_INIT 4041 # define PERLIO_TERM 4042 #endif 4043 4044 #ifdef MYMALLOC 4045 # ifdef MUTEX_INIT_CALLS_MALLOC 4046 # define MALLOC_INIT \ 4047 STMT_START { \ 4048 PL_malloc_mutex = NULL; \ 4049 MUTEX_INIT(&PL_malloc_mutex); \ 4050 } STMT_END 4051 # define MALLOC_TERM \ 4052 STMT_START { \ 4053 perl_mutex tmp = PL_malloc_mutex; \ 4054 PL_malloc_mutex = NULL; \ 4055 MUTEX_DESTROY(&tmp); \ 4056 } STMT_END 4057 # else 4058 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex) 4059 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex) 4060 # endif 4061 #else 4062 # define MALLOC_INIT 4063 # define MALLOC_TERM 4064 #endif 4065 4066 #if defined(PERL_IMPLICIT_CONTEXT) 4067 4068 struct perl_memory_debug_header; 4069 struct perl_memory_debug_header { 4070 tTHX interpreter; 4071 # if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW) 4072 MEM_SIZE size; 4073 # endif 4074 struct perl_memory_debug_header *prev; 4075 struct perl_memory_debug_header *next; 4076 # ifdef PERL_DEBUG_READONLY_COW 4077 bool readonly; 4078 # endif 4079 }; 4080 4081 #elif defined(PERL_DEBUG_READONLY_COW) 4082 4083 struct perl_memory_debug_header; 4084 struct perl_memory_debug_header { 4085 MEM_SIZE size; 4086 }; 4087 4088 #endif 4089 4090 #if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW) 4091 4092 # define PERL_MEMORY_DEBUG_HEADER_SIZE \ 4093 (sizeof(struct perl_memory_debug_header) + \ 4094 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \ 4095 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES) 4096 4097 #else 4098 # define PERL_MEMORY_DEBUG_HEADER_SIZE 0 4099 #endif 4100 4101 #ifdef PERL_TRACK_MEMPOOL 4102 # ifdef PERL_DEBUG_READONLY_COW 4103 # define INIT_TRACK_MEMPOOL(header, interp) \ 4104 STMT_START { \ 4105 (header).interpreter = (interp); \ 4106 (header).prev = (header).next = &(header); \ 4107 (header).readonly = 0; \ 4108 } STMT_END 4109 # else 4110 # define INIT_TRACK_MEMPOOL(header, interp) \ 4111 STMT_START { \ 4112 (header).interpreter = (interp); \ 4113 (header).prev = (header).next = &(header); \ 4114 } STMT_END 4115 # endif 4116 # else 4117 # define INIT_TRACK_MEMPOOL(header, interp) 4118 #endif 4119 4120 #ifdef I_MALLOCMALLOC 4121 /* Needed for malloc_size(), malloc_good_size() on some systems */ 4122 # include <malloc/malloc.h> 4123 #endif 4124 4125 #ifdef MYMALLOC 4126 # define Perl_safesysmalloc_size(where) Perl_malloced_size(where) 4127 #else 4128 # if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW) 4129 # ifdef PERL_TRACK_MEMPOOL 4130 # define Perl_safesysmalloc_size(where) \ 4131 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE) 4132 # else 4133 # define Perl_safesysmalloc_size(where) malloc_size(where) 4134 # endif 4135 # endif 4136 # ifdef HAS_MALLOC_GOOD_SIZE 4137 # ifdef PERL_TRACK_MEMPOOL 4138 # define Perl_malloc_good_size(how_much) \ 4139 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE) 4140 # else 4141 # define Perl_malloc_good_size(how_much) malloc_good_size(how_much) 4142 # endif 4143 # else 4144 /* Having this as the identity operation makes some code simpler. */ 4145 # define Perl_malloc_good_size(how_much) (how_much) 4146 # endif 4147 #endif 4148 4149 typedef int (*runops_proc_t)(pTHX); 4150 typedef void (*share_proc_t) (pTHX_ SV *sv); 4151 typedef int (*thrhook_proc_t) (pTHX); 4152 typedef OP* (*PPADDR_t[]) (pTHX); 4153 typedef bool (*destroyable_proc_t) (pTHX_ SV *sv); 4154 typedef void (*despatch_signals_proc_t) (pTHX); 4155 4156 /* NeXT has problems with crt0.o globals */ 4157 #if defined(__DYNAMIC__) && \ 4158 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN)) 4159 # if defined(NeXT) || defined(__NeXT) 4160 # include <mach-o/dyld.h> 4161 # define environ (*environ_pointer) 4162 EXT char *** environ_pointer; 4163 # else 4164 # if defined(PERL_DARWIN) && defined(PERL_CORE) 4165 # include <crt_externs.h> /* for the env array */ 4166 # define environ (*_NSGetEnviron()) 4167 # endif 4168 # endif 4169 #else 4170 /* VMS and some other platforms don't use the environ array */ 4171 # ifdef USE_ENVIRON_ARRAY 4172 # if !defined(DONT_DECLARE_STD) || \ 4173 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \ 4174 defined(__sgi) 4175 extern char ** environ; /* environment variables supplied via exec */ 4176 # endif 4177 # endif 4178 #endif 4179 4180 #define PERL_PATCHLEVEL_H_IMPLICIT 4181 #include "patchlevel.h" 4182 #undef PERL_PATCHLEVEL_H_IMPLICIT 4183 4184 #define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \ 4185 STRINGIFY(PERL_VERSION) "." \ 4186 STRINGIFY(PERL_SUBVERSION) 4187 4188 #define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \ 4189 STRINGIFY(PERL_API_VERSION) "." \ 4190 STRINGIFY(PERL_API_SUBVERSION) 4191 4192 START_EXTERN_C 4193 4194 /* handy constants */ 4195 EXTCONST char PL_warn_uninit[] 4196 INIT("Use of uninitialized value%s%s%s"); 4197 EXTCONST char PL_warn_uninit_sv[] 4198 INIT("Use of uninitialized value%" SVf "%s%s"); 4199 EXTCONST char PL_warn_nosemi[] 4200 INIT("Semicolon seems to be missing"); 4201 EXTCONST char PL_warn_reserved[] 4202 INIT("Unquoted string \"%s\" may clash with future reserved word"); 4203 EXTCONST char PL_warn_nl[] 4204 INIT("Unsuccessful %s on filename containing newline"); 4205 EXTCONST char PL_no_wrongref[] 4206 INIT("Can't use %s ref as %s ref"); 4207 /* The core no longer needs these here. If you require the string constant, 4208 please inline a copy into your own code. */ 4209 EXTCONST char PL_no_symref[] __attribute__deprecated__ 4210 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use"); 4211 EXTCONST char PL_no_symref_sv[] __attribute__deprecated__ 4212 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use"); 4213 EXTCONST char PL_no_usym[] 4214 INIT("Can't use an undefined value as %s reference"); 4215 EXTCONST char PL_no_aelem[] 4216 INIT("Modification of non-creatable array value attempted, subscript %d"); 4217 EXTCONST char PL_no_helem_sv[] 4218 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\""); 4219 EXTCONST char PL_no_modify[] 4220 INIT("Modification of a read-only value attempted"); 4221 EXTCONST char PL_no_mem[sizeof("Out of memory!\n")] 4222 INIT("Out of memory!\n"); 4223 EXTCONST char PL_no_security[] 4224 INIT("Insecure dependency in %s%s"); 4225 EXTCONST char PL_no_sock_func[] 4226 INIT("Unsupported socket function \"%s\" called"); 4227 EXTCONST char PL_no_dir_func[] 4228 INIT("Unsupported directory function \"%s\" called"); 4229 EXTCONST char PL_no_func[] 4230 INIT("The %s function is unimplemented"); 4231 EXTCONST char PL_no_myglob[] 4232 INIT("\"%s\" variable %s can't be in a package"); 4233 EXTCONST char PL_no_localize_ref[] 4234 INIT("Can't localize through a reference"); 4235 EXTCONST char PL_memory_wrap[] 4236 INIT("panic: memory wrap"); 4237 4238 EXTCONST char PL_Yes[] 4239 INIT("1"); 4240 EXTCONST char PL_No[] 4241 INIT(""); 4242 EXTCONST char PL_hexdigit[] 4243 INIT("0123456789abcdef0123456789ABCDEF"); 4244 4245 /* This is constant on most architectures, a global on OS/2 */ 4246 #ifndef OS2 4247 EXTCONST char PL_sh_path[] 4248 INIT(SH_PATH); /* full path of shell */ 4249 #endif 4250 4251 #ifdef CSH 4252 EXTCONST char PL_cshname[] 4253 INIT(CSH); 4254 # define PL_cshlen (sizeof(CSH "") - 1) 4255 #endif 4256 4257 /* These are baked at compile time into any shared perl library. 4258 In future releases this will allow us in main() to sanity test the 4259 library we're linking against. */ 4260 4261 EXTCONST U8 PL_revision 4262 INIT(PERL_REVISION); 4263 EXTCONST U8 PL_version 4264 INIT(PERL_VERSION); 4265 EXTCONST U8 PL_subversion 4266 INIT(PERL_SUBVERSION); 4267 4268 EXTCONST char PL_uuemap[65] 4269 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"); 4270 4271 #ifdef DOINIT 4272 EXTCONST char PL_uudmap[256] = 4273 # ifdef PERL_MICRO 4274 # include "uuudmap.h" 4275 # else 4276 # include "uudmap.h" 4277 # endif 4278 ; 4279 EXTCONST char PL_bitcount[256] = 4280 # ifdef PERL_MICRO 4281 # include "ubitcount.h" 4282 #else 4283 # include "bitcount.h" 4284 # endif 4285 ; 4286 EXTCONST char* const PL_sig_name[] = { SIG_NAME }; 4287 EXTCONST int PL_sig_num[] = { SIG_NUM }; 4288 #else 4289 EXTCONST char PL_uudmap[256]; 4290 EXTCONST char PL_bitcount[256]; 4291 EXTCONST char* const PL_sig_name[]; 4292 EXTCONST int PL_sig_num[]; 4293 #endif 4294 4295 /* fast conversion and case folding tables. The folding tables complement the 4296 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated 4297 * folds such as outside the range or to multiple characters. */ 4298 4299 #ifdef DOINIT 4300 #ifndef EBCDIC 4301 4302 /* The EBCDIC fold table depends on the code page, and hence is found in 4303 * utfebcdic.h */ 4304 4305 EXTCONST unsigned char PL_fold[] = { 4306 0, 1, 2, 3, 4, 5, 6, 7, 4307 8, 9, 10, 11, 12, 13, 14, 15, 4308 16, 17, 18, 19, 20, 21, 22, 23, 4309 24, 25, 26, 27, 28, 29, 30, 31, 4310 32, 33, 34, 35, 36, 37, 38, 39, 4311 40, 41, 42, 43, 44, 45, 46, 47, 4312 48, 49, 50, 51, 52, 53, 54, 55, 4313 56, 57, 58, 59, 60, 61, 62, 63, 4314 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 4315 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 4316 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 4317 'x', 'y', 'z', 91, 92, 93, 94, 95, 4318 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 4319 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 4320 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 4321 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 4322 128, 129, 130, 131, 132, 133, 134, 135, 4323 136, 137, 138, 139, 140, 141, 142, 143, 4324 144, 145, 146, 147, 148, 149, 150, 151, 4325 152, 153, 154, 155, 156, 157, 158, 159, 4326 160, 161, 162, 163, 164, 165, 166, 167, 4327 168, 169, 170, 171, 172, 173, 174, 175, 4328 176, 177, 178, 179, 180, 181, 182, 183, 4329 184, 185, 186, 187, 188, 189, 190, 191, 4330 192, 193, 194, 195, 196, 197, 198, 199, 4331 200, 201, 202, 203, 204, 205, 206, 207, 4332 208, 209, 210, 211, 212, 213, 214, 215, 4333 216, 217, 218, 219, 220, 221, 222, 223, 4334 224, 225, 226, 227, 228, 229, 230, 231, 4335 232, 233, 234, 235, 236, 237, 238, 239, 4336 240, 241, 242, 243, 244, 245, 246, 247, 4337 248, 249, 250, 251, 252, 253, 254, 255 4338 }; 4339 EXTCONST unsigned char PL_fold_latin1[] = { 4340 /* Full latin1 complement folding, except for three problematic code points: 4341 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their 4342 * fold complements outside the Latin1 range, so can't match something 4343 * that isn't in utf8. 4344 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss', 4345 * not one, so can't be represented in this table. 4346 * 4347 * All have to be specially handled */ 4348 0, 1, 2, 3, 4, 5, 6, 7, 4349 8, 9, 10, 11, 12, 13, 14, 15, 4350 16, 17, 18, 19, 20, 21, 22, 23, 4351 24, 25, 26, 27, 28, 29, 30, 31, 4352 32, 33, 34, 35, 36, 37, 38, 39, 4353 40, 41, 42, 43, 44, 45, 46, 47, 4354 48, 49, 50, 51, 52, 53, 54, 55, 4355 56, 57, 58, 59, 60, 61, 62, 63, 4356 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 4357 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 4358 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 4359 'x', 'y', 'z', 91, 92, 93, 94, 95, 4360 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 4361 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 4362 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 4363 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 4364 128, 129, 130, 131, 132, 133, 134, 135, 4365 136, 137, 138, 139, 140, 141, 142, 143, 4366 144, 145, 146, 147, 148, 149, 150, 151, 4367 152, 153, 154, 155, 156, 157, 158, 159, 4368 160, 161, 162, 163, 164, 165, 166, 167, 4369 168, 169, 170, 171, 172, 173, 174, 175, 4370 176, 177, 178, 179, 180, 181 /*micro */, 182, 183, 4371 184, 185, 186, 187, 188, 189, 190, 191, 4372 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32, 4373 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32, 4374 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215, 4375 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */, 4376 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32, 4377 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32, 4378 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247, 4379 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 4380 255 /* y with diaeresis */ 4381 }; 4382 4383 /* If these tables are accessed through ebcdic, the access will be converted to 4384 * latin1 first */ 4385 EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */ 4386 0, 1, 2, 3, 4, 5, 6, 7, 4387 8, 9, 10, 11, 12, 13, 14, 15, 4388 16, 17, 18, 19, 20, 21, 22, 23, 4389 24, 25, 26, 27, 28, 29, 30, 31, 4390 32, 33, 34, 35, 36, 37, 38, 39, 4391 40, 41, 42, 43, 44, 45, 46, 47, 4392 48, 49, 50, 51, 52, 53, 54, 55, 4393 56, 57, 58, 59, 60, 61, 62, 63, 4394 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 4395 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 4396 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 4397 'x', 'y', 'z', 91, 92, 93, 94, 95, 4398 96, 97, 98, 99, 100, 101, 102, 103, 4399 104, 105, 106, 107, 108, 109, 110, 111, 4400 112, 113, 114, 115, 116, 117, 118, 119, 4401 120, 121, 122, 123, 124, 125, 126, 127, 4402 128, 129, 130, 131, 132, 133, 134, 135, 4403 136, 137, 138, 139, 140, 141, 142, 143, 4404 144, 145, 146, 147, 148, 149, 150, 151, 4405 152, 153, 154, 155, 156, 157, 158, 159, 4406 160, 161, 162, 163, 164, 165, 166, 167, 4407 168, 169, 170, 171, 172, 173, 174, 175, 4408 176, 177, 178, 179, 180, 181, 182, 183, 4409 184, 185, 186, 187, 188, 189, 190, 191, 4410 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32, 4411 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32, 4412 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215, 4413 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223, 4414 224, 225, 226, 227, 228, 229, 230, 231, 4415 232, 233, 234, 235, 236, 237, 238, 239, 4416 240, 241, 242, 243, 244, 245, 246, 247, 4417 248, 249, 250, 251, 252, 253, 254, 255 4418 }; 4419 4420 /* upper and title case of latin1 characters, modified so that the three tricky 4421 * ones are mapped to 255 (which is one of the three) */ 4422 EXTCONST unsigned char PL_mod_latin1_uc[] = { 4423 0, 1, 2, 3, 4, 5, 6, 7, 4424 8, 9, 10, 11, 12, 13, 14, 15, 4425 16, 17, 18, 19, 20, 21, 22, 23, 4426 24, 25, 26, 27, 28, 29, 30, 31, 4427 32, 33, 34, 35, 36, 37, 38, 39, 4428 40, 41, 42, 43, 44, 45, 46, 47, 4429 48, 49, 50, 51, 52, 53, 54, 55, 4430 56, 57, 58, 59, 60, 61, 62, 63, 4431 64, 65, 66, 67, 68, 69, 70, 71, 4432 72, 73, 74, 75, 76, 77, 78, 79, 4433 80, 81, 82, 83, 84, 85, 86, 87, 4434 88, 89, 90, 91, 92, 93, 94, 95, 4435 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 4436 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 4437 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 4438 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 4439 128, 129, 130, 131, 132, 133, 134, 135, 4440 136, 137, 138, 139, 140, 141, 142, 143, 4441 144, 145, 146, 147, 148, 149, 150, 151, 4442 152, 153, 154, 155, 156, 157, 158, 159, 4443 160, 161, 162, 163, 164, 165, 166, 167, 4444 168, 169, 170, 171, 172, 173, 174, 175, 4445 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183, 4446 184, 185, 186, 187, 188, 189, 190, 191, 4447 192, 193, 194, 195, 196, 197, 198, 199, 4448 200, 201, 202, 203, 204, 205, 206, 207, 4449 208, 209, 210, 211, 212, 213, 214, 215, 4450 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/, 4451 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32, 4452 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32, 4453 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247, 4454 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255 4455 }; 4456 #endif /* !EBCDIC, but still in DOINIT */ 4457 #else /* ! DOINIT */ 4458 # ifndef EBCDIC 4459 EXTCONST unsigned char PL_fold[]; 4460 EXTCONST unsigned char PL_fold_latin1[]; 4461 EXTCONST unsigned char PL_mod_latin1_uc[]; 4462 EXTCONST unsigned char PL_latin1_lc[]; 4463 # endif 4464 #endif 4465 4466 #ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */ 4467 #ifdef DOINIT 4468 EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */ 4469 0, 1, 2, 3, 4, 5, 6, 7, 4470 8, 9, 10, 11, 12, 13, 14, 15, 4471 16, 17, 18, 19, 20, 21, 22, 23, 4472 24, 25, 26, 27, 28, 29, 30, 31, 4473 32, 33, 34, 35, 36, 37, 38, 39, 4474 40, 41, 42, 43, 44, 45, 46, 47, 4475 48, 49, 50, 51, 52, 53, 54, 55, 4476 56, 57, 58, 59, 60, 61, 62, 63, 4477 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 4478 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 4479 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 4480 'x', 'y', 'z', 91, 92, 93, 94, 95, 4481 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 4482 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 4483 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 4484 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 4485 128, 129, 130, 131, 132, 133, 134, 135, 4486 136, 137, 138, 139, 140, 141, 142, 143, 4487 144, 145, 146, 147, 148, 149, 150, 151, 4488 152, 153, 154, 155, 156, 157, 158, 159, 4489 160, 161, 162, 163, 164, 165, 166, 167, 4490 168, 169, 170, 171, 172, 173, 174, 175, 4491 176, 177, 178, 179, 180, 181, 182, 183, 4492 184, 185, 186, 187, 188, 189, 190, 191, 4493 192, 193, 194, 195, 196, 197, 198, 199, 4494 200, 201, 202, 203, 204, 205, 206, 207, 4495 208, 209, 210, 211, 212, 213, 214, 215, 4496 216, 217, 218, 219, 220, 221, 222, 223, 4497 224, 225, 226, 227, 228, 229, 230, 231, 4498 232, 233, 234, 235, 236, 237, 238, 239, 4499 240, 241, 242, 243, 244, 245, 246, 247, 4500 248, 249, 250, 251, 252, 253, 254, 255 4501 }; 4502 #else 4503 EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */ 4504 #endif 4505 #endif /* !PERL_GLOBAL_STRUCT */ 4506 4507 #ifdef DOINIT 4508 #ifdef EBCDIC 4509 EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */ 4510 1, 2, 84, 151, 154, 155, 156, 157, 4511 165, 246, 250, 3, 158, 7, 18, 29, 4512 40, 51, 62, 73, 85, 96, 107, 118, 4513 129, 140, 147, 148, 149, 150, 152, 153, 4514 255, 6, 8, 9, 10, 11, 12, 13, 4515 14, 15, 24, 25, 26, 27, 28, 226, 4516 29, 30, 31, 32, 33, 43, 44, 45, 4517 46, 47, 48, 49, 50, 76, 77, 78, 4518 79, 80, 81, 82, 83, 84, 85, 86, 4519 87, 94, 95, 234, 181, 233, 187, 190, 4520 180, 96, 97, 98, 99, 100, 101, 102, 4521 104, 112, 182, 174, 236, 232, 229, 103, 4522 228, 226, 114, 115, 116, 117, 118, 119, 4523 120, 121, 122, 235, 176, 230, 194, 162, 4524 130, 131, 132, 133, 134, 135, 136, 137, 4525 138, 139, 201, 205, 163, 217, 220, 224, 4526 5, 248, 227, 244, 242, 255, 241, 231, 4527 240, 253, 16, 197, 19, 20, 21, 187, 4528 23, 169, 210, 245, 237, 249, 247, 239, 4529 168, 252, 34, 196, 36, 37, 38, 39, 4530 41, 42, 251, 254, 238, 223, 221, 213, 4531 225, 177, 52, 53, 54, 55, 56, 57, 4532 58, 59, 60, 61, 63, 64, 65, 66, 4533 67, 68, 69, 70, 71, 72, 74, 75, 4534 205, 208, 186, 202, 200, 218, 198, 179, 4535 178, 214, 88, 89, 90, 91, 92, 93, 4536 217, 166, 170, 207, 199, 209, 206, 204, 4537 160, 212, 105, 106, 108, 109, 110, 111, 4538 203, 113, 216, 215, 192, 175, 193, 243, 4539 172, 161, 123, 124, 125, 126, 127, 128, 4540 222, 219, 211, 195, 188, 193, 185, 184, 4541 191, 183, 141, 142, 143, 144, 145, 146 4542 }; 4543 #else /* ascii rather than ebcdic */ 4544 EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */ 4545 1, 2, 84, 151, 154, 155, 156, 157, 4546 165, 246, 250, 3, 158, 7, 18, 29, 4547 40, 51, 62, 73, 85, 96, 107, 118, 4548 129, 140, 147, 148, 149, 150, 152, 153, 4549 255, 182, 224, 205, 174, 176, 180, 217, 4550 233, 232, 236, 187, 235, 228, 234, 226, 4551 222, 219, 211, 195, 188, 193, 185, 184, 4552 191, 183, 201, 229, 181, 220, 194, 162, 4553 163, 208, 186, 202, 200, 218, 198, 179, 4554 178, 214, 166, 170, 207, 199, 209, 206, 4555 204, 160, 212, 216, 215, 192, 175, 173, 4556 243, 172, 161, 190, 203, 189, 164, 230, 4557 167, 248, 227, 244, 242, 255, 241, 231, 4558 240, 253, 169, 210, 245, 237, 249, 247, 4559 239, 168, 252, 251, 254, 238, 223, 221, 4560 213, 225, 177, 197, 171, 196, 159, 4, 4561 5, 6, 8, 9, 10, 11, 12, 13, 4562 14, 15, 16, 17, 19, 20, 21, 22, 4563 23, 24, 25, 26, 27, 28, 30, 31, 4564 32, 33, 34, 35, 36, 37, 38, 39, 4565 41, 42, 43, 44, 45, 46, 47, 48, 4566 49, 50, 52, 53, 54, 55, 56, 57, 4567 58, 59, 60, 61, 63, 64, 65, 66, 4568 67, 68, 69, 70, 71, 72, 74, 75, 4569 76, 77, 78, 79, 80, 81, 82, 83, 4570 86, 87, 88, 89, 90, 91, 92, 93, 4571 94, 95, 97, 98, 99, 100, 101, 102, 4572 103, 104, 105, 106, 108, 109, 110, 111, 4573 112, 113, 114, 115, 116, 117, 119, 120, 4574 121, 122, 123, 124, 125, 126, 127, 128, 4575 130, 131, 132, 133, 134, 135, 136, 137, 4576 138, 139, 141, 142, 143, 144, 145, 146 4577 }; 4578 #endif 4579 #else 4580 EXTCONST unsigned char PL_freq[]; 4581 #endif 4582 4583 /* Although only used for debugging, these constants must be available in 4584 * non-debugging builds too, since they're used in ext/re/re_exec.c, 4585 * which has DEBUGGING enabled always */ 4586 #ifdef DOINIT 4587 EXTCONST char* const PL_block_type[] = { 4588 "NULL", 4589 "WHEN", 4590 "BLOCK", 4591 "GIVEN", 4592 "LOOP_FOR", 4593 "LOOP_PLAIN", 4594 "LOOP_LAZYSV", 4595 "LOOP_LAZYIV", 4596 "SUB", 4597 "FORMAT", 4598 "EVAL", 4599 "SUBST" 4600 }; 4601 #else 4602 EXTCONST char* PL_block_type[]; 4603 #endif 4604 4605 /* These are all the compile time options that affect binary compatibility. 4606 Other compile time options that are binary compatible are in perl.c 4607 Both are combined for the output of perl -V 4608 However, this string will be embedded in any shared perl library, which will 4609 allow us add a comparison check in perlmain.c in the near future. */ 4610 #ifdef DOINIT 4611 EXTCONST char PL_bincompat_options[] = 4612 # ifdef DEBUG_LEAKING_SCALARS 4613 " DEBUG_LEAKING_SCALARS" 4614 # endif 4615 # ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP 4616 " DEBUG_LEAKING_SCALARS_FORK_DUMP" 4617 # endif 4618 # ifdef FCRYPT 4619 " FCRYPT" 4620 # endif 4621 # ifdef HAS_TIMES 4622 " HAS_TIMES" 4623 # endif 4624 # ifdef HAVE_INTERP_INTERN 4625 " HAVE_INTERP_INTERN" 4626 # endif 4627 # ifdef MULTIPLICITY 4628 " MULTIPLICITY" 4629 # endif 4630 # ifdef MYMALLOC 4631 " MYMALLOC" 4632 # endif 4633 # ifdef PERLIO_LAYERS 4634 " PERLIO_LAYERS" 4635 # endif 4636 # ifdef PERL_DEBUG_READONLY_COW 4637 " PERL_DEBUG_READONLY_COW" 4638 # endif 4639 # ifdef PERL_DEBUG_READONLY_OPS 4640 " PERL_DEBUG_READONLY_OPS" 4641 # endif 4642 # ifdef PERL_GLOBAL_STRUCT 4643 " PERL_GLOBAL_STRUCT" 4644 # endif 4645 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 4646 " PERL_GLOBAL_STRUCT_PRIVATE" 4647 # endif 4648 # ifdef PERL_IMPLICIT_CONTEXT 4649 " PERL_IMPLICIT_CONTEXT" 4650 # endif 4651 # ifdef PERL_IMPLICIT_SYS 4652 " PERL_IMPLICIT_SYS" 4653 # endif 4654 # ifdef PERL_MAD 4655 " PERL_MAD" 4656 # endif 4657 # ifdef PERL_MICRO 4658 " PERL_MICRO" 4659 # endif 4660 # ifdef PERL_NEED_APPCTX 4661 " PERL_NEED_APPCTX" 4662 # endif 4663 # ifdef PERL_NEED_TIMESBASE 4664 " PERL_NEED_TIMESBASE" 4665 # endif 4666 # ifdef PERL_OLD_COPY_ON_WRITE 4667 " PERL_OLD_COPY_ON_WRITE" 4668 # endif 4669 # ifdef PERL_POISON 4670 " PERL_POISON" 4671 # endif 4672 # ifdef PERL_SAWAMPERSAND 4673 " PERL_SAWAMPERSAND" 4674 # endif 4675 # ifdef PERL_TRACK_MEMPOOL 4676 " PERL_TRACK_MEMPOOL" 4677 # endif 4678 # ifdef PERL_USES_PL_PIDSTATUS 4679 " PERL_USES_PL_PIDSTATUS" 4680 # endif 4681 # ifdef USE_64_BIT_ALL 4682 " USE_64_BIT_ALL" 4683 # endif 4684 # ifdef USE_64_BIT_INT 4685 " USE_64_BIT_INT" 4686 # endif 4687 # ifdef USE_IEEE 4688 " USE_IEEE" 4689 # endif 4690 # ifdef USE_ITHREADS 4691 " USE_ITHREADS" 4692 # endif 4693 # ifdef USE_LARGE_FILES 4694 " USE_LARGE_FILES" 4695 # endif 4696 # ifdef USE_LOCALE_COLLATE 4697 " USE_LOCALE_COLLATE" 4698 # endif 4699 # ifdef USE_LOCALE_NUMERIC 4700 " USE_LOCALE_NUMERIC" 4701 # endif 4702 # ifdef USE_LONG_DOUBLE 4703 " USE_LONG_DOUBLE" 4704 # endif 4705 # ifdef USE_PERLIO 4706 " USE_PERLIO" 4707 # endif 4708 # ifdef USE_REENTRANT_API 4709 " USE_REENTRANT_API" 4710 # endif 4711 # ifdef USE_SOCKS 4712 " USE_SOCKS" 4713 # endif 4714 # ifdef VMS_DO_SOCKETS 4715 " VMS_DO_SOCKETS" 4716 # endif 4717 # ifdef VMS_SHORTEN_LONG_SYMBOLS 4718 " VMS_SHORTEN_LONG_SYMBOLS" 4719 # endif 4720 # ifdef VMS_WE_ARE_CASE_SENSITIVE 4721 " VMS_SYMBOL_CASE_AS_IS" 4722 # endif 4723 ""; 4724 #else 4725 EXTCONST char PL_bincompat_options[]; 4726 #endif 4727 4728 #ifndef PERL_SET_PHASE 4729 # define PERL_SET_PHASE(new_phase) \ 4730 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \ 4731 PL_phase = new_phase; 4732 #endif 4733 4734 /* The interpreter phases. If these ever change, PL_phase_names right below will 4735 * need to be updated accordingly. */ 4736 enum perl_phase { 4737 PERL_PHASE_CONSTRUCT = 0, 4738 PERL_PHASE_START = 1, 4739 PERL_PHASE_CHECK = 2, 4740 PERL_PHASE_INIT = 3, 4741 PERL_PHASE_RUN = 4, 4742 PERL_PHASE_END = 5, 4743 PERL_PHASE_DESTRUCT = 6 4744 }; 4745 4746 #ifdef DOINIT 4747 EXTCONST char *const PL_phase_names[] = { 4748 "CONSTRUCT", 4749 "START", 4750 "CHECK", 4751 "INIT", 4752 "RUN", 4753 "END", 4754 "DESTRUCT" 4755 }; 4756 #else 4757 EXTCONST char *const PL_phase_names[]; 4758 #endif 4759 4760 #ifndef PERL_CORE 4761 /* Do not use this macro. It only exists for extensions that rely on PL_dirty 4762 * instead of using the newer PL_phase, which provides everything PL_dirty 4763 * provided, and more. */ 4764 # define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT) 4765 4766 # define PL_amagic_generation PL_na 4767 #endif /* !PERL_CORE */ 4768 4769 #define PL_hints PL_compiling.cop_hints 4770 4771 END_EXTERN_C 4772 4773 /*****************************************************************************/ 4774 /* This lexer/parser stuff is currently global since yacc is hard to reenter */ 4775 /*****************************************************************************/ 4776 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */ 4777 4778 #ifdef __Lynx__ 4779 /* LynxOS defines these in scsi.h which is included via ioctl.h */ 4780 #ifdef FORMAT 4781 #undef FORMAT 4782 #endif 4783 #ifdef SPACE 4784 #undef SPACE 4785 #endif 4786 #endif 4787 4788 #define LEX_NOTPARSING 11 /* borrowed from toke.c */ 4789 4790 typedef enum { 4791 XOPERATOR, 4792 XTERM, 4793 XREF, 4794 XSTATE, 4795 XBLOCK, 4796 XATTRBLOCK, 4797 XATTRTERM, 4798 XTERMBLOCK, 4799 XPOSTDEREF, 4800 XTERMORDORDOR /* evil hack */ 4801 /* update exp_name[] in toke.c if adding to this enum */ 4802 } expectation; 4803 4804 /* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer 4805 special and there is no need for HINT_PRIVATE_MASK for COPs 4806 However, bitops store HINT_INTEGER in their op_private. 4807 4808 NOTE: The typical module using these has the bit value hard-coded, so don't 4809 blindly change the values of these */ 4810 #define HINT_INTEGER 0x00000001 /* integer pragma */ 4811 #define HINT_STRICT_REFS 0x00000002 /* strict pragma */ 4812 #define HINT_LOCALE 0x00000004 /* locale pragma */ 4813 #define HINT_BYTES 0x00000008 /* bytes pragma */ 4814 #define HINT_LOCALE_NOT_CHARS 0x00000010 /* locale ':not_characters' pragma */ 4815 4816 #define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */ 4817 #define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */ 4818 #define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */ 4819 4820 #define HINT_BLOCK_SCOPE 0x00000100 4821 #define HINT_STRICT_SUBS 0x00000200 /* strict pragma */ 4822 #define HINT_STRICT_VARS 0x00000400 /* strict pragma */ 4823 #define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */ 4824 4825 /* The HINT_NEW_* constants are used by the overload pragma */ 4826 #define HINT_NEW_INTEGER 0x00001000 4827 #define HINT_NEW_FLOAT 0x00002000 4828 #define HINT_NEW_BINARY 0x00004000 4829 #define HINT_NEW_STRING 0x00008000 4830 #define HINT_NEW_RE 0x00010000 4831 #define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */ 4832 #define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */ 4833 #define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */ 4834 4835 #define HINT_RE_TAINT 0x00100000 /* re pragma */ 4836 #define HINT_RE_EVAL 0x00200000 /* re pragma */ 4837 4838 #define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */ 4839 #define HINT_UTF8 0x00800000 /* utf8 pragma */ 4840 4841 #define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */ 4842 4843 #define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */ 4844 4845 #define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */ 4846 4847 /* Note: Used for NATIVE_HINTS, currently 4848 defined by vms/vmsish.h: 4849 0x40000000 4850 0x80000000 4851 */ 4852 4853 /* The following are stored in $^H{sort}, not in PL_hints */ 4854 #define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */ 4855 #define HINT_SORT_QUICKSORT 0x00000001 4856 #define HINT_SORT_MERGESORT 0x00000002 4857 #define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */ 4858 4859 /* flags for PL_sawampersand */ 4860 4861 #define SAWAMPERSAND_LEFT 1 /* saw $` */ 4862 #define SAWAMPERSAND_MIDDLE 2 /* saw $& */ 4863 #define SAWAMPERSAND_RIGHT 4 /* saw $' */ 4864 4865 #ifndef PERL_SAWAMPERSAND 4866 # define PL_sawampersand \ 4867 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT) 4868 #endif 4869 4870 /* Various states of the input record separator SV (rs) */ 4871 #define RsSNARF(sv) (! SvOK(sv)) 4872 #define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv))) 4873 #define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv)) 4874 #define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0)) 4875 4876 /* A struct for keeping various DEBUGGING related stuff, 4877 * neatly packed. Currently only scratch variables for 4878 * constructing debug output are included. Needed always, 4879 * not just when DEBUGGING, though, because of the re extension. c*/ 4880 struct perl_debug_pad { 4881 SV pad[3]; 4882 }; 4883 4884 #define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i]) 4885 #define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \ 4886 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \ 4887 PERL_DEBUG_PAD(i)) 4888 4889 /* Enable variables which are pointers to functions */ 4890 typedef void (*peep_t)(pTHX_ OP* o); 4891 typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm); 4892 typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg, 4893 char* strend, char* strbeg, I32 minend, 4894 SV* screamer, void* data, U32 flags); 4895 typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv, 4896 char *strpos, char *strend, 4897 U32 flags, 4898 re_scream_pos_data *d); 4899 typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog); 4900 typedef void (*regfree_t) (pTHX_ struct regexp* r); 4901 typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param); 4902 typedef I32 (*re_fold_t)(const char *, char const *, I32); 4903 4904 typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*); 4905 typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*); 4906 typedef void (*SVFUNC_t) (pTHX_ SV* const); 4907 typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const); 4908 typedef void (*XSINIT_t) (pTHX); 4909 typedef void (*ATEXIT_t) (pTHX_ void*); 4910 typedef void (*XSUBADDR_t) (pTHX_ CV *); 4911 4912 typedef OP* (*Perl_ppaddr_t)(pTHX); 4913 typedef OP* (*Perl_check_t) (pTHX_ OP*); 4914 typedef void(*Perl_ophook_t)(pTHX_ OP*); 4915 typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**); 4916 typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *); 4917 4918 typedef void(*globhook_t)(pTHX); 4919 4920 #define KEYWORD_PLUGIN_DECLINE 0 4921 #define KEYWORD_PLUGIN_STMT 1 4922 #define KEYWORD_PLUGIN_EXPR 2 4923 4924 /* Interpreter exitlist entry */ 4925 typedef struct exitlistentry { 4926 void (*fn) (pTHX_ void*); 4927 void *ptr; 4928 } PerlExitListEntry; 4929 4930 /* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */ 4931 /* These have to be before perlvars.h */ 4932 #if !defined(HAS_SIGACTION) && defined(VMS) 4933 # define FAKE_PERSISTENT_SIGNAL_HANDLERS 4934 #endif 4935 /* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */ 4936 #if defined(KILL_BY_SIGPRC) 4937 # define FAKE_DEFAULT_SIGNAL_HANDLERS 4938 #endif 4939 4940 #if !defined(MULTIPLICITY) 4941 4942 struct interpreter { 4943 char broiled; 4944 }; 4945 4946 #else 4947 4948 /* If we have multiple interpreters define a struct 4949 holding variables which must be per-interpreter 4950 If we don't have threads anything that would have 4951 be per-thread is per-interpreter. 4952 */ 4953 4954 /* Set up PERLVAR macros for populating structs */ 4955 # define PERLVAR(prefix,var,type) type prefix##var; 4956 4957 /* 'var' is an array of length 'n' */ 4958 # define PERLVARA(prefix,var,n,type) type prefix##var[n]; 4959 4960 /* initialize 'var' to init' */ 4961 # define PERLVARI(prefix,var,type,init) type prefix##var; 4962 4963 /* like PERLVARI, but make 'var' a const */ 4964 # define PERLVARIC(prefix,var,type,init) type prefix##var; 4965 4966 struct interpreter { 4967 # include "intrpvar.h" 4968 }; 4969 4970 EXTCONST U16 PL_interp_size 4971 INIT(sizeof(struct interpreter)); 4972 4973 # define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \ 4974 STRUCT_OFFSET(struct interpreter, member) + \ 4975 sizeof(((struct interpreter*)0)->member) 4976 4977 /* This will be useful for subsequent releases, because this has to be the 4978 same in your libperl as in main(), else you have a mismatch and must abort. 4979 */ 4980 EXTCONST U16 PL_interp_size_5_18_0 4981 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER)); 4982 4983 4984 # ifdef PERL_GLOBAL_STRUCT 4985 /* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined, 4986 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */ 4987 4988 struct perl_vars { 4989 # include "perlvars.h" 4990 }; 4991 4992 EXTCONST U16 PL_global_struct_size 4993 INIT(sizeof(struct perl_vars)); 4994 4995 # ifdef PERL_CORE 4996 # ifndef PERL_GLOBAL_STRUCT_PRIVATE 4997 EXT struct perl_vars PL_Vars; 4998 EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars); 4999 # undef PERL_GET_VARS 5000 # define PERL_GET_VARS() PL_VarsPtr 5001 # endif /* !PERL_GLOBAL_STRUCT_PRIVATE */ 5002 # else /* PERL_CORE */ 5003 # if !defined(__GNUC__) || !defined(WIN32) 5004 EXT 5005 # endif /* WIN32 */ 5006 struct perl_vars *PL_VarsPtr; 5007 # define PL_Vars (*((PL_VarsPtr) \ 5008 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX)))) 5009 # endif /* PERL_CORE */ 5010 # endif /* PERL_GLOBAL_STRUCT */ 5011 5012 /* Done with PERLVAR macros for now ... */ 5013 # undef PERLVAR 5014 # undef PERLVARA 5015 # undef PERLVARI 5016 # undef PERLVARIC 5017 5018 #endif /* MULTIPLICITY */ 5019 5020 struct tempsym; /* defined in pp_pack.c */ 5021 5022 #include "thread.h" 5023 #include "pp.h" 5024 5025 #ifndef PERL_CALLCONV 5026 # ifdef __cplusplus 5027 # define PERL_CALLCONV extern "C" 5028 # else 5029 # define PERL_CALLCONV 5030 # endif 5031 #endif 5032 #ifndef PERL_CALLCONV_NO_RET 5033 # define PERL_CALLCONV_NO_RET PERL_CALLCONV 5034 #endif 5035 5036 /* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that 5037 dont have a noreturn as a declaration specifier 5038 */ 5039 #ifndef PERL_STATIC_NO_RET 5040 # define PERL_STATIC_NO_RET STATIC 5041 #endif 5042 /* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on 5043 builds that dont have a noreturn as a declaration specifier 5044 */ 5045 #ifndef PERL_STATIC_INLINE_NO_RET 5046 # define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE 5047 #endif 5048 5049 5050 #undef PERL_CKDEF 5051 #undef PERL_PPDEF 5052 #define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o); 5053 #define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX); 5054 5055 #ifdef MYMALLOC 5056 # include "malloc_ctl.h" 5057 #endif 5058 5059 #include "proto.h" 5060 5061 /* this has structure inits, so it cannot be included before here */ 5062 #include "opcode.h" 5063 5064 /* The following must follow proto.h as #defines mess up syntax */ 5065 5066 #if !defined(PERL_FOR_X2P) 5067 # include "embedvar.h" 5068 #endif 5069 #ifndef PERL_MAD 5070 # undef PL_madskills 5071 # undef PL_xmlfp 5072 # define PL_madskills 0 5073 # define PL_xmlfp 0 5074 #endif 5075 5076 /* Now include all the 'global' variables 5077 * If we don't have threads or multiple interpreters 5078 * these include variables that would have been their struct-s 5079 */ 5080 5081 #define PERLVAR(prefix,var,type) EXT type PL_##var; 5082 #define PERLVARA(prefix,var,n,type) EXT type PL_##var[n]; 5083 #define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init); 5084 #define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init); 5085 5086 #if !defined(MULTIPLICITY) 5087 START_EXTERN_C 5088 # include "intrpvar.h" 5089 END_EXTERN_C 5090 #endif 5091 5092 #ifdef PERL_CORE 5093 /* All core uses now exterminated. Ensure no zombies can return: */ 5094 # undef PL_na 5095 #endif 5096 5097 /* Now all the config stuff is setup we can include embed.h 5098 In particular, need the relevant *ish file included already, as it may 5099 define HAVE_INTERP_INTERN */ 5100 #include "embed.h" 5101 #ifndef PERL_MAD 5102 # undef op_getmad 5103 # define op_getmad(arg,pegop,slot) NOOP 5104 #endif 5105 5106 #ifndef PERL_GLOBAL_STRUCT 5107 START_EXTERN_C 5108 5109 # include "perlvars.h" 5110 5111 END_EXTERN_C 5112 #endif 5113 5114 #undef PERLVAR 5115 #undef PERLVARA 5116 #undef PERLVARI 5117 #undef PERLVARIC 5118 5119 START_EXTERN_C 5120 5121 /* dummy variables that hold pointers to both runops functions, thus forcing 5122 * them *both* to get linked in (useful for Peek.xs, debugging etc) */ 5123 5124 EXTCONST runops_proc_t PL_runops_std 5125 INIT(Perl_runops_standard); 5126 EXTCONST runops_proc_t PL_runops_dbg 5127 INIT(Perl_runops_debug); 5128 5129 /* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the 5130 * magic vtables const, but this is incompatible with SWIG which 5131 * does want to modify the vtables. */ 5132 #ifdef PERL_GLOBAL_STRUCT_PRIVATE 5133 # define EXT_MGVTBL EXTCONST MGVTBL 5134 #else 5135 # define EXT_MGVTBL EXT MGVTBL 5136 #endif 5137 5138 #define PERL_MAGIC_READONLY_ACCEPTABLE 0x40 5139 #define PERL_MAGIC_VALUE_MAGIC 0x80 5140 #define PERL_MAGIC_VTABLE_MASK 0x3F 5141 #define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \ 5142 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE) 5143 #define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \ 5144 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC) 5145 5146 #include "mg_vtable.h" 5147 5148 #ifdef DOINIT 5149 EXTCONST U8 PL_magic_data[256] = 5150 # ifdef PERL_MICRO 5151 # include "umg_data.h" 5152 # else 5153 # include "mg_data.h" 5154 # endif 5155 ; 5156 #else 5157 EXTCONST U8 PL_magic_data[256]; 5158 #endif 5159 5160 #ifdef DOINIT 5161 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */ 5162 EXTCONST bool 5163 PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 }; 5164 EXTCONST bool 5165 PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 }; 5166 EXTCONST bool 5167 PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 }; 5168 EXTCONST bool 5169 PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 }; 5170 EXTCONST bool 5171 PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 }; 5172 EXTCONST bool 5173 PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 }; 5174 5175 #else 5176 5177 EXTCONST bool PL_valid_types_IVX[]; 5178 EXTCONST bool PL_valid_types_NVX[]; 5179 EXTCONST bool PL_valid_types_PVX[]; 5180 EXTCONST bool PL_valid_types_RV[]; 5181 EXTCONST bool PL_valid_types_IV_set[]; 5182 EXTCONST bool PL_valid_types_NV_set[]; 5183 5184 #endif 5185 5186 #ifndef PERL_NO_INLINE_FUNCTIONS 5187 /* Static inline funcs that depend on includes and declarations above. 5188 Some of these reference functions in the perl object files, and some 5189 compilers aren't smart enough to eliminate unused static inline 5190 functions, so including this file in source code can cause link errors 5191 even if the source code uses none of the functions. Hence including these 5192 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will 5193 (obviously) result in unworkable XS code, but allows simple probing code 5194 to continue to work, because it permits tests to include the perl headers 5195 for definitions without creating a link dependency on the perl library 5196 (which may not exist yet). 5197 */ 5198 5199 # include "inline.h" 5200 #endif 5201 5202 #include "overload.h" 5203 5204 END_EXTERN_C 5205 5206 struct am_table { 5207 U8 flags; 5208 U8 fallback; 5209 U16 spare; 5210 U32 was_ok_sub; 5211 CV* table[NofAMmeth]; 5212 }; 5213 struct am_table_short { 5214 U8 flags; 5215 U8 fallback; 5216 U16 spare; 5217 U32 was_ok_sub; 5218 }; 5219 typedef struct am_table AMT; 5220 typedef struct am_table_short AMTS; 5221 5222 #define AMGfallNEVER 1 5223 #define AMGfallNO 2 5224 #define AMGfallYES 3 5225 5226 #define AMTf_AMAGIC 1 5227 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC) 5228 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC) 5229 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC) 5230 5231 #define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg)) 5232 5233 /* 5234 * some compilers like to redefine cos et alia as faster 5235 * (and less accurate?) versions called F_cos et cetera (Quidquid 5236 * latine dictum sit, altum viditur.) This trick collides with 5237 * the Perl overloading (amg). The following #defines fool both. 5238 */ 5239 5240 #ifdef _FASTMATH 5241 # ifdef atan2 5242 # define F_atan2_amg atan2_amg 5243 # endif 5244 # ifdef cos 5245 # define F_cos_amg cos_amg 5246 # endif 5247 # ifdef exp 5248 # define F_exp_amg exp_amg 5249 # endif 5250 # ifdef log 5251 # define F_log_amg log_amg 5252 # endif 5253 # ifdef pow 5254 # define F_pow_amg pow_amg 5255 # endif 5256 # ifdef sin 5257 # define F_sin_amg sin_amg 5258 # endif 5259 # ifdef sqrt 5260 # define F_sqrt_amg sqrt_amg 5261 # endif 5262 #endif /* _FASTMATH */ 5263 5264 #define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \ 5265 PERLDBf_NOOPT | PERLDBf_INTER | \ 5266 PERLDBf_SUBLINE| PERLDBf_SINGLE| \ 5267 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \ 5268 PERLDBf_SAVESRC) 5269 /* No _NONAME, _GOTO */ 5270 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit */ 5271 #define PERLDBf_LINE 0x02 /* Keep line # */ 5272 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations */ 5273 #define PERLDBf_INTER 0x08 /* Preserve more data for 5274 later inspections */ 5275 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */ 5276 #define PERLDBf_SINGLE 0x20 /* Start with single-step on */ 5277 #define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */ 5278 #define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */ 5279 #define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */ 5280 #define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */ 5281 #define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */ 5282 #define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */ 5283 #define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */ 5284 5285 #define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB)) 5286 #define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE)) 5287 #define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT)) 5288 #define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER)) 5289 #define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE)) 5290 #define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE)) 5291 #define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME))) 5292 #define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO)) 5293 #define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL)) 5294 #define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON)) 5295 #define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC)) 5296 #define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS)) 5297 #define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID)) 5298 5299 /* 5300 5301 =head1 Locale-related functions and macros 5302 5303 =for apidoc sync_locale 5304 5305 Changing the program's locale should be avoided by XS code. Nevertheless, 5306 certain non-Perl libraries called from XS, such as C<Gtk> do so. When this 5307 happens, Perl needs to be told that the locale has changed. Use this macro 5308 to do so, before returning to Perl code. 5309 5310 =cut 5311 */ 5312 5313 /* Temporary for maint. Is a function in 5.21 */ 5314 #define sync_locale() (new_ctype(setlocale(LC_CTYPE, NULL)), \ 5315 new_collate(setlocale(LC_COLLATE, NULL)), \ 5316 set_numeric_local(), \ 5317 new_numeric(setlocale(LC_NUMERIC, NULL))) 5318 5319 #ifdef USE_LOCALE_NUMERIC 5320 5321 /* Returns TRUE if the plain locale pragma without a parameter is in effect 5322 */ 5323 #define IN_LOCALE_RUNTIME cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE) 5324 5325 /* Returns TRUE if either form of the locale pragma is in effect */ 5326 #define IN_SOME_LOCALE_FORM_RUNTIME \ 5327 cBOOL(CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS)) 5328 5329 #define IN_LOCALE_COMPILETIME cBOOL(PL_hints & HINT_LOCALE) 5330 #define IN_SOME_LOCALE_FORM_COMPILETIME \ 5331 cBOOL(PL_hints & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS)) 5332 5333 #define IN_LOCALE \ 5334 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME) 5335 #define IN_SOME_LOCALE_FORM \ 5336 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \ 5337 : IN_SOME_LOCALE_FORM_RUNTIME) 5338 5339 /* These macros are for toggling between the underlying locale (LOCAL) and the 5340 * C locale. */ 5341 5342 /* The first set makes sure that the locale is set to C unless within a 'use 5343 * locale's scope; otherwise to the default locale. A function pointer is 5344 * used, which can be declared separately by 5345 * DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED, followed by the actual 5346 * setting (using STORE_LC_NUMERIC_SET_TO_NEEDED()), or the two can be combined 5347 * into one call DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED(). 5348 * RESTORE_LC_NUMERIC() in all cases restores the locale to what it was before 5349 * these were called */ 5350 5351 #define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \ 5352 void (*_restore_LC_NUMERIC_function)(pTHX) = NULL; 5353 5354 #define STORE_LC_NUMERIC_SET_TO_NEEDED() \ 5355 if (IN_SOME_LOCALE_FORM) { \ 5356 if (! PL_numeric_local) { \ 5357 SET_NUMERIC_LOCAL(); \ 5358 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \ 5359 } \ 5360 } \ 5361 else { \ 5362 if (! PL_numeric_standard) { \ 5363 SET_NUMERIC_STANDARD(); \ 5364 _restore_LC_NUMERIC_function = &Perl_set_numeric_local; \ 5365 } \ 5366 } 5367 5368 #define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \ 5369 DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \ 5370 STORE_LC_NUMERIC_SET_TO_NEEDED(); 5371 5372 #define RESTORE_LC_NUMERIC() \ 5373 if (_restore_LC_NUMERIC_function) { \ 5374 _restore_LC_NUMERIC_function(aTHX); \ 5375 } 5376 5377 /* The next two macros set unconditionally. These should be rarely used, and 5378 * only after being sure that this is what is needed */ 5379 #define SET_NUMERIC_STANDARD() \ 5380 set_numeric_standard(); 5381 5382 #define SET_NUMERIC_LOCAL() \ 5383 set_numeric_local(); 5384 5385 /* The rest of these LC_NUMERIC macros toggle to one or the other state, with 5386 * the RESTORE_foo ones called to switch back, but only if need be */ 5387 #define STORE_NUMERIC_LOCAL_SET_STANDARD() \ 5388 bool was_local = PL_numeric_local; \ 5389 if (was_local) SET_NUMERIC_STANDARD(); 5390 5391 /* Doesn't change to underlying locale unless within the scope of some form of 5392 * 'use locale'. This is the usual desired behavior. */ 5393 #define STORE_NUMERIC_STANDARD_SET_LOCAL() \ 5394 bool was_standard = PL_numeric_standard && IN_SOME_LOCALE_FORM; \ 5395 if (was_standard) SET_NUMERIC_LOCAL(); 5396 5397 /* Rarely, we want to change to the underlying locale even outside of 'use 5398 * locale'. This is principally in the POSIX:: functions */ 5399 #define STORE_NUMERIC_STANDARD_FORCE_LOCAL() \ 5400 bool was_standard = PL_numeric_standard; \ 5401 if (was_standard) SET_NUMERIC_LOCAL(); 5402 5403 #define RESTORE_NUMERIC_LOCAL() \ 5404 if (was_local) SET_NUMERIC_LOCAL(); 5405 5406 #define RESTORE_NUMERIC_STANDARD() \ 5407 if (was_standard) SET_NUMERIC_STANDARD(); 5408 5409 #define Atof my_atof 5410 5411 #else /* !USE_LOCALE_NUMERIC */ 5412 5413 #define SET_NUMERIC_STANDARD() /**/ 5414 #define SET_NUMERIC_LOCAL() /**/ 5415 #define IS_NUMERIC_RADIX(a, b) (0) 5416 #define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/ 5417 #define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/ 5418 #define STORE_NUMERIC_STANDARD_FORCE_LOCAL() 5419 #define RESTORE_NUMERIC_LOCAL() /**/ 5420 #define RESTORE_NUMERIC_STANDARD() /**/ 5421 #define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED 5422 #define STORE_LC_NUMERIC_SET_TO_NEEDED() 5423 #define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() 5424 #define RESTORE_LC_NUMERIC() 5425 5426 #define Atof my_atof 5427 #define IN_LOCALE_RUNTIME 0 5428 #define IN_LOCALE_COMPILETIME 0 5429 5430 #endif /* !USE_LOCALE_NUMERIC */ 5431 5432 #if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \ 5433 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64) 5434 # ifdef __hpux 5435 # define strtoll __strtoll /* secret handshake */ 5436 # endif 5437 # ifdef WIN64 5438 # define strtoll _strtoi64 /* secret handshake */ 5439 # endif 5440 # if !defined(Strtol) && defined(HAS_STRTOLL) 5441 # define Strtol strtoll 5442 # endif 5443 # if !defined(Strtol) && defined(HAS_STRTOQ) 5444 # define Strtol strtoq 5445 # endif 5446 /* is there atoq() anywhere? */ 5447 #endif 5448 #if !defined(Strtol) && defined(HAS_STRTOL) 5449 # define Strtol strtol 5450 #endif 5451 #ifndef Atol 5452 /* It would be more fashionable to use Strtol() to define atol() 5453 * (as is done for Atoul(), see below) but for backward compatibility 5454 * we just assume atol(). */ 5455 # if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \ 5456 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64) 5457 # ifdef WIN64 5458 # define atoll _atoi64 /* secret handshake */ 5459 # endif 5460 # define Atol atoll 5461 # else 5462 # define Atol atol 5463 # endif 5464 #endif 5465 5466 #if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \ 5467 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64) 5468 # ifdef __hpux 5469 # define strtoull __strtoull /* secret handshake */ 5470 # endif 5471 # ifdef WIN64 5472 # define strtoull _strtoui64 /* secret handshake */ 5473 # endif 5474 # if !defined(Strtoul) && defined(HAS_STRTOULL) 5475 # define Strtoul strtoull 5476 # endif 5477 # if !defined(Strtoul) && defined(HAS_STRTOUQ) 5478 # define Strtoul strtouq 5479 # endif 5480 /* is there atouq() anywhere? */ 5481 #endif 5482 #if !defined(Strtoul) && defined(HAS_STRTOUL) 5483 # define Strtoul strtoul 5484 #endif 5485 #if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */ 5486 # define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b)) 5487 #endif 5488 #ifndef Atoul 5489 # define Atoul(s) Strtoul(s, NULL, 10) 5490 #endif 5491 5492 5493 /* if these never got defined, they need defaults */ 5494 #ifndef PERL_SET_CONTEXT 5495 # define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i) 5496 #endif 5497 5498 #ifndef PERL_GET_CONTEXT 5499 # define PERL_GET_CONTEXT PERL_GET_INTERP 5500 #endif 5501 5502 #ifndef PERL_GET_THX 5503 # define PERL_GET_THX ((void*)NULL) 5504 #endif 5505 5506 #ifndef PERL_SET_THX 5507 # define PERL_SET_THX(t) NOOP 5508 #endif 5509 5510 #ifndef PERL_SCRIPT_MODE 5511 #define PERL_SCRIPT_MODE "r" 5512 #endif 5513 5514 /* 5515 * Some operating systems are stingy with stack allocation, 5516 * so perl may have to guard against stack overflow. 5517 */ 5518 #ifndef PERL_STACK_OVERFLOW_CHECK 5519 #define PERL_STACK_OVERFLOW_CHECK() NOOP 5520 #endif 5521 5522 /* 5523 * Some nonpreemptive operating systems find it convenient to 5524 * check for asynchronous conditions after each op execution. 5525 * Keep this check simple, or it may slow down execution 5526 * massively. 5527 */ 5528 5529 #ifndef PERL_MICRO 5530 # ifndef PERL_ASYNC_CHECK 5531 # define PERL_ASYNC_CHECK() if (UNLIKELY(PL_sig_pending)) PL_signalhook(aTHX) 5532 # endif 5533 #endif 5534 5535 #ifndef PERL_ASYNC_CHECK 5536 # define PERL_ASYNC_CHECK() NOOP 5537 #endif 5538 5539 /* 5540 * On some operating systems, a memory allocation may succeed, 5541 * but put the process too close to the system's comfort limit. 5542 * In this case, PERL_ALLOC_CHECK frees the pointer and sets 5543 * it to NULL. 5544 */ 5545 #ifndef PERL_ALLOC_CHECK 5546 #define PERL_ALLOC_CHECK(p) NOOP 5547 #endif 5548 5549 #ifdef HAS_SEM 5550 # include <sys/ipc.h> 5551 # include <sys/sem.h> 5552 # ifndef HAS_UNION_SEMUN /* Provide the union semun. */ 5553 union semun { 5554 int val; 5555 struct semid_ds *buf; 5556 unsigned short *array; 5557 }; 5558 # endif 5559 # ifdef USE_SEMCTL_SEMUN 5560 # ifdef IRIX32_SEMUN_BROKEN_BY_GCC 5561 union gccbug_semun { 5562 int val; 5563 struct semid_ds *buf; 5564 unsigned short *array; 5565 char __dummy[5]; 5566 }; 5567 # define semun gccbug_semun 5568 # endif 5569 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun) 5570 # else 5571 # ifdef USE_SEMCTL_SEMID_DS 5572 # ifdef EXTRA_F_IN_SEMUN_BUF 5573 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff) 5574 # else 5575 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf) 5576 # endif 5577 # endif 5578 # endif 5579 #endif 5580 5581 /* 5582 * Boilerplate macros for initializing and accessing interpreter-local 5583 * data from C. All statics in extensions should be reworked to use 5584 * this, if you want to make the extension thread-safe. See 5585 * ext/XS/APItest/APItest.xs for an example of the use of these macros, 5586 * and perlxs.pod for more. 5587 * 5588 * Code that uses these macros is responsible for the following: 5589 * 1. #define MY_CXT_KEY to a unique string, e.g. 5590 * "DynaLoader::_guts" XS_VERSION 5591 * XXX in the current implementation, this string is ignored. 5592 * 2. Declare a typedef named my_cxt_t that is a structure that contains 5593 * all the data that needs to be interpreter-local. 5594 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t. 5595 * 4. Use the MY_CXT_INIT macro such that it is called exactly once 5596 * (typically put in the BOOT: section). 5597 * 5. Use the members of the my_cxt_t structure everywhere as 5598 * MY_CXT.member. 5599 * 6. Use the dMY_CXT macro (a declaration) in all the functions that 5600 * access MY_CXT. 5601 */ 5602 5603 #if defined(PERL_IMPLICIT_CONTEXT) 5604 5605 /* START_MY_CXT must appear in all extensions that define a my_cxt_t structure, 5606 * right after the definition (i.e. at file scope). The non-threads 5607 * case below uses it to declare the data as static. */ 5608 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 5609 # define START_MY_CXT 5610 # define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY) 5611 # define MY_CXT_INIT_ARG MY_CXT_KEY 5612 # else 5613 # define START_MY_CXT static int my_cxt_index = -1; 5614 # define MY_CXT_INDEX my_cxt_index 5615 # define MY_CXT_INIT_ARG &my_cxt_index 5616 # endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */ 5617 5618 /* Creates and zeroes the per-interpreter data. 5619 * (We allocate my_cxtp in a Perl SV so that it will be released when 5620 * the interpreter goes away.) */ 5621 # define MY_CXT_INIT \ 5622 my_cxt_t *my_cxtp = \ 5623 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \ 5624 PERL_UNUSED_VAR(my_cxtp) 5625 # define MY_CXT_INIT_INTERP(my_perl) \ 5626 my_cxt_t *my_cxtp = \ 5627 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \ 5628 PERL_UNUSED_VAR(my_cxtp) 5629 5630 /* This declaration should be used within all functions that use the 5631 * interpreter-local data. */ 5632 # define dMY_CXT \ 5633 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX] 5634 # define dMY_CXT_INTERP(my_perl) \ 5635 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX] 5636 5637 /* Clones the per-interpreter data. */ 5638 # define MY_CXT_CLONE \ 5639 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\ 5640 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\ 5641 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \ 5642 5643 5644 /* This macro must be used to access members of the my_cxt_t structure. 5645 * e.g. MY_CXT.some_data */ 5646 # define MY_CXT (*my_cxtp) 5647 5648 /* Judicious use of these macros can reduce the number of times dMY_CXT 5649 * is used. Use is similar to pTHX, aTHX etc. */ 5650 # define pMY_CXT my_cxt_t *my_cxtp 5651 # define pMY_CXT_ pMY_CXT, 5652 # define _pMY_CXT ,pMY_CXT 5653 # define aMY_CXT my_cxtp 5654 # define aMY_CXT_ aMY_CXT, 5655 # define _aMY_CXT ,aMY_CXT 5656 5657 #else /* PERL_IMPLICIT_CONTEXT */ 5658 5659 # define START_MY_CXT static my_cxt_t my_cxt; 5660 # define dMY_CXT_SV dNOOP 5661 # define dMY_CXT dNOOP 5662 # define dMY_CXT_INTERP(my_perl) dNOOP 5663 # define MY_CXT_INIT NOOP 5664 # define MY_CXT_CLONE NOOP 5665 # define MY_CXT my_cxt 5666 5667 # define pMY_CXT void 5668 # define pMY_CXT_ 5669 # define _pMY_CXT 5670 # define aMY_CXT 5671 # define aMY_CXT_ 5672 # define _aMY_CXT 5673 5674 #endif /* !defined(PERL_IMPLICIT_CONTEXT) */ 5675 5676 #ifdef I_FCNTL 5677 # include <fcntl.h> 5678 #endif 5679 5680 #ifdef __Lynx__ 5681 # include <fcntl.h> 5682 #endif 5683 5684 #ifdef I_SYS_FILE 5685 # include <sys/file.h> 5686 #endif 5687 5688 #if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO) 5689 int flock(int fd, int op); 5690 #endif 5691 5692 #ifndef O_RDONLY 5693 /* Assume UNIX defaults */ 5694 # define O_RDONLY 0000 5695 # define O_WRONLY 0001 5696 # define O_RDWR 0002 5697 # define O_CREAT 0100 5698 #endif 5699 5700 #ifndef O_BINARY 5701 # define O_BINARY 0 5702 #endif 5703 5704 #ifndef O_TEXT 5705 # define O_TEXT 0 5706 #endif 5707 5708 #if O_TEXT != O_BINARY 5709 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop, 5710 * that is, you are somehow DOSish. */ 5711 # if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__) 5712 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect; 5713 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */ 5714 /* VOS has O_TEXT != O_BINARY, and they have effect, 5715 * but VOS always uses LF, never CRLF. */ 5716 /* If you have O_TEXT different from your O_BINARY but you still are 5717 * not a CRLF shop. */ 5718 # undef PERLIO_USING_CRLF 5719 # else 5720 /* If you really are DOSish. */ 5721 # define PERLIO_USING_CRLF 1 5722 # endif 5723 #endif 5724 5725 #ifdef I_LIBUTIL 5726 # include <libutil.h> /* setproctitle() in some FreeBSDs */ 5727 #endif 5728 5729 #ifndef EXEC_ARGV_CAST 5730 #define EXEC_ARGV_CAST(x) (char **)x 5731 #endif 5732 5733 #define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not 5734 int). value returned in pointed- 5735 to UV */ 5736 #define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */ 5737 #define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */ 5738 #define IS_NUMBER_NEG 0x08 /* leading minus sign */ 5739 #define IS_NUMBER_INFINITY 0x10 /* this is big */ 5740 #define IS_NUMBER_NAN 0x20 /* this is not */ 5741 5742 #define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send) 5743 5744 /* Input flags: */ 5745 #define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */ 5746 #define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */ 5747 #define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */ 5748 #define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large 5749 numbers which are <= UV_MAX */ 5750 /* Output flags: */ 5751 #define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */ 5752 5753 /* to let user control profiling */ 5754 #ifdef PERL_GPROF_CONTROL 5755 extern void moncontrol(int); 5756 #define PERL_GPROF_MONCONTROL(x) moncontrol(x) 5757 #else 5758 #define PERL_GPROF_MONCONTROL(x) 5759 #endif 5760 5761 #ifdef UNDER_CE 5762 #include "wince.h" 5763 #endif 5764 5765 /* ISO 6429 NEL - C1 control NExt Line */ 5766 /* See http://www.unicode.org/unicode/reports/tr13/ */ 5767 #define NEXT_LINE_CHAR NEXT_LINE_NATIVE 5768 5769 /* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */ 5770 #define UNICODE_LINE_SEPA_0 0xE2 5771 #define UNICODE_LINE_SEPA_1 0x80 5772 #define UNICODE_LINE_SEPA_2 0xA8 5773 #define UNICODE_PARA_SEPA_0 0xE2 5774 #define UNICODE_PARA_SEPA_1 0x80 5775 #define UNICODE_PARA_SEPA_2 0xA9 5776 5777 #ifndef PIPESOCK_MODE 5778 # define PIPESOCK_MODE 5779 #endif 5780 5781 #ifndef SOCKET_OPEN_MODE 5782 # define SOCKET_OPEN_MODE PIPESOCK_MODE 5783 #endif 5784 5785 #ifndef PIPE_OPEN_MODE 5786 # define PIPE_OPEN_MODE PIPESOCK_MODE 5787 #endif 5788 5789 #define PERL_MAGIC_UTF8_CACHESIZE 2 5790 5791 #define PERL_UNICODE_STDIN_FLAG 0x0001 5792 #define PERL_UNICODE_STDOUT_FLAG 0x0002 5793 #define PERL_UNICODE_STDERR_FLAG 0x0004 5794 #define PERL_UNICODE_IN_FLAG 0x0008 5795 #define PERL_UNICODE_OUT_FLAG 0x0010 5796 #define PERL_UNICODE_ARGV_FLAG 0x0020 5797 #define PERL_UNICODE_LOCALE_FLAG 0x0040 5798 #define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */ 5799 #define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100 5800 5801 #define PERL_UNICODE_STD_FLAG \ 5802 (PERL_UNICODE_STDIN_FLAG | \ 5803 PERL_UNICODE_STDOUT_FLAG | \ 5804 PERL_UNICODE_STDERR_FLAG) 5805 5806 #define PERL_UNICODE_INOUT_FLAG \ 5807 (PERL_UNICODE_IN_FLAG | \ 5808 PERL_UNICODE_OUT_FLAG) 5809 5810 #define PERL_UNICODE_DEFAULT_FLAGS \ 5811 (PERL_UNICODE_STD_FLAG | \ 5812 PERL_UNICODE_INOUT_FLAG | \ 5813 PERL_UNICODE_LOCALE_FLAG) 5814 5815 #define PERL_UNICODE_ALL_FLAGS 0x01ff 5816 5817 #define PERL_UNICODE_STDIN 'I' 5818 #define PERL_UNICODE_STDOUT 'O' 5819 #define PERL_UNICODE_STDERR 'E' 5820 #define PERL_UNICODE_STD 'S' 5821 #define PERL_UNICODE_IN 'i' 5822 #define PERL_UNICODE_OUT 'o' 5823 #define PERL_UNICODE_INOUT 'D' 5824 #define PERL_UNICODE_ARGV 'A' 5825 #define PERL_UNICODE_LOCALE 'L' 5826 #define PERL_UNICODE_WIDESYSCALLS 'W' 5827 #define PERL_UNICODE_UTF8CACHEASSERT 'a' 5828 5829 #define PERL_SIGNALS_UNSAFE_FLAG 0x0001 5830 5831 /* Use instead of abs() since abs() forces its argument to be an int, 5832 * but also beware since this evaluates its argument twice, so no x++. */ 5833 #define PERL_ABS(x) ((x) < 0 ? -(x) : (x)) 5834 5835 #if defined(__DECC) && defined(__osf__) 5836 #pragma message disable (mainparm) /* Perl uses the envp in main(). */ 5837 #endif 5838 5839 #define do_open(g, n, l, a, rm, rp, sf) \ 5840 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0) 5841 #ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION 5842 # define do_exec(cmd) do_exec3(cmd,0,0) 5843 #endif 5844 #ifdef OS2 5845 # define do_aexec Perl_do_aexec 5846 #else 5847 # define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0) 5848 #endif 5849 5850 /* check embedded \0 characters in pathnames passed to syscalls, 5851 but allow one ending \0 */ 5852 #define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name))) 5853 5854 #define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name)) 5855 5856 #if defined(OEMVS) 5857 #define NO_ENV_ARRAY_IN_MAIN 5858 #endif 5859 5860 /* These are used by Perl_pv_escape() and Perl_pv_pretty() 5861 * are here so that they are available throughout the core 5862 * NOTE that even though some are for _escape and some for _pretty 5863 * there must not be any clashes as the flags from _pretty are 5864 * passed straight through to _escape. 5865 */ 5866 5867 #define PERL_PV_ESCAPE_QUOTE 0x0001 5868 #define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE 5869 5870 #define PERL_PV_PRETTY_ELLIPSES 0x0002 5871 #define PERL_PV_PRETTY_LTGT 0x0004 5872 5873 #define PERL_PV_ESCAPE_FIRSTCHAR 0x0008 5874 5875 #define PERL_PV_ESCAPE_UNI 0x0100 5876 #define PERL_PV_ESCAPE_UNI_DETECT 0x0200 5877 #define PERL_PV_ESCAPE_NONASCII 0x0400 5878 5879 #define PERL_PV_ESCAPE_ALL 0x1000 5880 #define PERL_PV_ESCAPE_NOBACKSLASH 0x2000 5881 #define PERL_PV_ESCAPE_NOCLEAR 0x4000 5882 #define PERL_PV_ESCAPE_RE 0x8000 5883 5884 #define PERL_PV_ESCAPE_DWIM 0x10000 5885 5886 #define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR 5887 5888 /* used by pv_display in dump.c*/ 5889 #define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE 5890 #define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII 5891 5892 /* 5893 5894 (KEEP THIS LAST IN perl.h!) 5895 5896 Mention 5897 5898 NV_PRESERVES_UV 5899 5900 HAS_MKSTEMP 5901 HAS_MKSTEMPS 5902 HAS_MKDTEMP 5903 5904 HAS_GETCWD 5905 5906 HAS_MMAP 5907 HAS_MPROTECT 5908 HAS_MSYNC 5909 HAS_MADVISE 5910 HAS_MUNMAP 5911 I_SYSMMAN 5912 Mmap_t 5913 5914 NVef 5915 NVff 5916 NVgf 5917 5918 HAS_UALARM 5919 HAS_USLEEP 5920 5921 HAS_SETITIMER 5922 HAS_GETITIMER 5923 5924 HAS_SENDMSG 5925 HAS_RECVMSG 5926 HAS_READV 5927 HAS_WRITEV 5928 I_SYSUIO 5929 HAS_STRUCT_MSGHDR 5930 HAS_STRUCT_CMSGHDR 5931 5932 HAS_NL_LANGINFO 5933 5934 HAS_DIRFD 5935 5936 so that Configure picks them up. 5937 5938 (KEEP THIS LAST IN perl.h!) 5939 5940 */ 5941 5942 #endif /* Include guard */ 5943 5944 /* 5945 * Local variables: 5946 * c-indentation-style: bsd 5947 * c-basic-offset: 4 5948 * indent-tabs-mode: nil 5949 * End: 5950 * 5951 * ex: set ts=8 sts=4 sw=4 et: 5952 */ 5953