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 #if defined(DGUX) 26 #include <sys/fcntl.h> 27 #endif 28 29 #ifdef VOIDUSED 30 # undef VOIDUSED 31 #endif 32 #define VOIDUSED 1 33 34 #ifdef PERL_MICRO 35 # include "uconfig.h" 36 #else 37 # ifndef USE_CROSS_COMPILE 38 # include "config.h" 39 # else 40 # include "xconfig.h" 41 # endif 42 #endif 43 44 /* See L<perlguts/"The Perl API"> for detailed notes on 45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */ 46 47 /* Note that from here --> to <-- the same logic is 48 * repeated in makedef.pl, so be certain to update 49 * both places when editing. */ 50 51 #ifdef USE_ITHREADS 52 # if !defined(MULTIPLICITY) 53 # define MULTIPLICITY 54 # endif 55 #endif 56 57 #ifdef PERL_GLOBAL_STRUCT_PRIVATE 58 # ifndef PERL_GLOBAL_STRUCT 59 # define PERL_GLOBAL_STRUCT 60 # endif 61 #endif 62 63 #ifdef PERL_GLOBAL_STRUCT 64 # ifndef MULTIPLICITY 65 # define MULTIPLICITY 66 # endif 67 #endif 68 69 #ifdef MULTIPLICITY 70 # ifndef PERL_IMPLICIT_CONTEXT 71 # define PERL_IMPLICIT_CONTEXT 72 # endif 73 #endif 74 75 /* undef WIN32 when building on Cygwin (for libwin32) - gph */ 76 #ifdef __CYGWIN__ 77 # undef WIN32 78 # undef _WIN32 79 #endif 80 81 #if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS)) 82 # ifndef SYMBIAN 83 # define SYMBIAN 84 # endif 85 #endif 86 87 #ifdef __SYMBIAN32__ 88 # include "symbian/symbian_proto.h" 89 #endif 90 91 /* Any stack-challenged places. The limit varies (and often 92 * is configurable), but using more than a kilobyte of stack 93 * is usually dubious in these systems. */ 94 #if defined(__SYMBIAN32__) 95 /* Symbian: need to work around the SDK features. * 96 * On WINS: MS VC5 generates calls to _chkstk, * 97 * if a "large" stack frame is allocated. * 98 * gcc on MARM does not generate calls like these. */ 99 # define USE_HEAP_INSTEAD_OF_STACK 100 #endif 101 102 #/* Use the reentrant APIs like localtime_r and getpwent_r */ 103 /* Win32 has naturally threadsafe libraries, no need to use any _r variants. */ 104 #if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN) 105 # define USE_REENTRANT_API 106 #endif 107 108 /* <--- here ends the logic shared by perl.h and makedef.pl */ 109 110 /* 111 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned) 112 * (The -DPERL_DARWIN comes from the hints/darwin.sh.) 113 * __bsdi__ for BSD/OS 114 */ 115 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44) 116 # ifndef BSDish 117 # define BSDish 118 # endif 119 #endif 120 121 #undef START_EXTERN_C 122 #undef END_EXTERN_C 123 #undef EXTERN_C 124 #ifdef __cplusplus 125 # define START_EXTERN_C extern "C" { 126 # define END_EXTERN_C } 127 # define EXTERN_C extern "C" 128 #else 129 # define START_EXTERN_C 130 # define END_EXTERN_C 131 # define EXTERN_C extern 132 #endif 133 134 /* Fallback definitions in case we don't have definitions from config.h. 135 This should only matter for systems that don't use Configure and 136 haven't been modified to define PERL_STATIC_INLINE yet. 137 */ 138 #if !defined(PERL_STATIC_INLINE) 139 # ifdef HAS_STATIC_INLINE 140 # define PERL_STATIC_INLINE static inline 141 # else 142 # define PERL_STATIC_INLINE static 143 # endif 144 #endif 145 146 #ifdef PERL_GLOBAL_STRUCT 147 # ifndef PERL_GET_VARS 148 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 149 EXTERN_C struct perl_vars* Perl_GetVarsPrivate(); 150 # define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */ 151 # ifndef PERLIO_FUNCS_CONST 152 # define PERLIO_FUNCS_CONST /* Can't have these lying around. */ 153 # endif 154 # else 155 # define PERL_GET_VARS() PL_VarsPtr 156 # endif 157 # endif 158 #endif 159 160 #define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL 161 162 #ifdef PERL_GLOBAL_STRUCT 163 # define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS() 164 #else 165 # define dVAR dNOOP 166 #endif 167 168 #ifdef PERL_IMPLICIT_CONTEXT 169 # ifndef MULTIPLICITY 170 # define MULTIPLICITY 171 # endif 172 # define tTHX PerlInterpreter* 173 # define pTHX tTHX my_perl PERL_UNUSED_DECL 174 # define aTHX my_perl 175 # define aTHXa(a) aTHX = (tTHX)a 176 # ifdef PERL_GLOBAL_STRUCT 177 # define dTHXa(a) dVAR; pTHX = (tTHX)a 178 # else 179 # define dTHXa(a) pTHX = (tTHX)a 180 # endif 181 # ifdef PERL_GLOBAL_STRUCT 182 # define dTHX dVAR; pTHX = PERL_GET_THX 183 # else 184 # define dTHX pTHX = PERL_GET_THX 185 # endif 186 # define pTHX_ pTHX, 187 # define aTHX_ aTHX, 188 # define pTHX_1 2 189 # define pTHX_2 3 190 # define pTHX_3 4 191 # define pTHX_4 5 192 # define pTHX_5 6 193 # define pTHX_6 7 194 # define pTHX_7 8 195 # define pTHX_8 9 196 # define pTHX_9 10 197 # if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL) 198 # define PERL_TRACK_MEMPOOL 199 # endif 200 #else 201 # undef PERL_TRACK_MEMPOOL 202 #endif 203 204 #define STATIC static 205 206 #ifndef PERL_CORE 207 /* Do not use these macros. They were part of PERL_OBJECT, which was an 208 * implementation of multiplicity using C++ objects. They have been left 209 * here solely for the sake of XS code which has incorrectly 210 * cargo-culted them. 211 */ 212 #define CPERLscope(x) x 213 #define CPERLarg void 214 #define CPERLarg_ 215 #define _CPERLarg 216 #define PERL_OBJECT_THIS 217 #define _PERL_OBJECT_THIS 218 #define PERL_OBJECT_THIS_ 219 #define CALL_FPTR(fptr) (*fptr) 220 #define MEMBER_TO_FPTR(name) name 221 #endif /* !PERL_CORE */ 222 223 #define CALLRUNOPS PL_runops 224 225 #define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags)) 226 227 #define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags) 228 #define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \ 229 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \ 230 (strbeg),(minend),(screamer),(data),(flags)) 231 #define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \ 232 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \ 233 (strend),(flags),(data)) 234 #define CALLREG_INTUIT_STRING(prog) \ 235 RX_ENGINE(prog)->checkstr(aTHX_ (prog)) 236 237 #define CALLREGFREE(prog) \ 238 Perl_pregfree(aTHX_ (prog)) 239 240 #define CALLREGFREE_PVT(prog) \ 241 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog)) 242 243 #define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \ 244 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv)) 245 246 #define CALLREG_NUMBUF_STORE(rx,paren,value) \ 247 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value)) 248 249 #define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \ 250 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren)) 251 252 #define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \ 253 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH)) 254 255 #define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \ 256 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE)) 257 258 #define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \ 259 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE)) 260 261 #define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \ 262 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR)) 263 264 #define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \ 265 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS)) 266 267 #define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \ 268 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY)) 269 270 #define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \ 271 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY)) 272 273 #define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \ 274 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR)) 275 276 #define CALLREG_NAMED_BUFF_COUNT(rx) \ 277 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT) 278 279 #define CALLREG_NAMED_BUFF_ALL(rx, flags) \ 280 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags) 281 282 #define CALLREG_PACKAGE(rx) \ 283 RX_ENGINE(rx)->qr_package(aTHX_ (rx)) 284 285 #if defined(USE_ITHREADS) 286 #define CALLREGDUPE(prog,param) \ 287 Perl_re_dup(aTHX_ (prog),(param)) 288 289 #define CALLREGDUPE_PVT(prog,param) \ 290 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \ 291 : (REGEXP *)NULL) 292 #endif 293 294 295 296 297 298 /* 299 * Because of backward compatibility reasons the PERL_UNUSED_DECL 300 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh. 301 * 302 * Note that there are C compilers such as MetroWerks CodeWarrior 303 * which do not have an "inlined" way (like the gcc __attribute__) of 304 * marking unused variables (they need e.g. a #pragma) and therefore 305 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even 306 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above). 307 * 308 */ 309 310 #if defined(__SYMBIAN32__) && defined(__GNUC__) 311 # ifdef __cplusplus 312 # define PERL_UNUSED_DECL 313 # else 314 # define PERL_UNUSED_DECL __attribute__((unused)) 315 # endif 316 #endif 317 318 #ifndef PERL_UNUSED_DECL 319 # if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus) 320 # define PERL_UNUSED_DECL __attribute__unused__ 321 # else 322 # define PERL_UNUSED_DECL 323 # endif 324 #endif 325 326 /* gcc -Wall: 327 * for silencing unused variables that are actually used most of the time, 328 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs 329 */ 330 #ifndef PERL_UNUSED_ARG 331 # if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */ 332 # include <note.h> 333 # define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x)) 334 # else 335 # define PERL_UNUSED_ARG(x) ((void)x) 336 # endif 337 #endif 338 #ifndef PERL_UNUSED_VAR 339 # define PERL_UNUSED_VAR(x) ((void)x) 340 #endif 341 342 #ifdef USE_ITHREADS 343 # define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl) 344 #else 345 # define PERL_UNUSED_CONTEXT 346 #endif 347 348 #define NOOP /*EMPTY*/(void)0 349 /* cea2e8a9dd23747f accidentally lost the comment originally from the first 350 check in of thread.h, explaining why we need dNOOP at all: */ 351 /* Rats: if dTHR is just blank then the subsequent ";" throws an error */ 352 /* Declaring a *function*, instead of a variable, ensures that we don't rely 353 on being able to suppress "unused" warnings. */ 354 #ifdef __cplusplus 355 #define dNOOP (void)0 356 #else 357 #define dNOOP extern int Perl___notused(void) 358 #endif 359 360 #ifndef pTHX 361 /* Don't bother defining tTHX and sTHX; using them outside 362 * code guarded by PERL_IMPLICIT_CONTEXT is an error. 363 */ 364 # define pTHX void 365 # define pTHX_ 366 # define aTHX 367 # define aTHX_ 368 # define aTHXa(a) NOOP 369 # define dTHXa(a) dNOOP 370 # define dTHX dNOOP 371 # define pTHX_1 1 372 # define pTHX_2 2 373 # define pTHX_3 3 374 # define pTHX_4 4 375 # define pTHX_5 5 376 # define pTHX_6 6 377 # define pTHX_7 7 378 # define pTHX_8 8 379 # define pTHX_9 9 380 #endif 381 382 #ifndef dVAR 383 # define dVAR dNOOP 384 #endif 385 386 /* these are only defined for compatibility; should not be used internally */ 387 #if !defined(pTHXo) && !defined(PERL_CORE) 388 # define pTHXo pTHX 389 # define pTHXo_ pTHX_ 390 # define aTHXo aTHX 391 # define aTHXo_ aTHX_ 392 # define dTHXo dTHX 393 # define dTHXoa(x) dTHXa(x) 394 #endif 395 396 #ifndef pTHXx 397 # define pTHXx PerlInterpreter *my_perl 398 # define pTHXx_ pTHXx, 399 # define aTHXx my_perl 400 # define aTHXx_ aTHXx, 401 # define dTHXx dTHX 402 #endif 403 404 /* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation) 405 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...). 406 * dTHXs is therefore needed for all functions using PerlIO_foo(). */ 407 #ifdef PERL_IMPLICIT_SYS 408 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 409 # define dTHXs dVAR; dTHX 410 # else 411 # define dTHXs dTHX 412 # endif 413 #else 414 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 415 # define dTHXs dVAR 416 # else 417 # define dTHXs dNOOP 418 # endif 419 #endif 420 421 /* Some platforms require marking function declarations 422 * for them to be exportable. Used in perlio.h, proto.h 423 * is handled either by the makedef.pl or by defining the 424 * PERL_CALLCONV to be something special. See also the 425 * definition of XS() in XSUB.h. */ 426 #ifndef PERL_EXPORT_C 427 # ifdef __cplusplus 428 # define PERL_EXPORT_C extern "C" 429 # else 430 # define PERL_EXPORT_C extern 431 # endif 432 #endif 433 #ifndef PERL_XS_EXPORT_C 434 # ifdef __cplusplus 435 # define PERL_XS_EXPORT_C extern "C" 436 # else 437 # define PERL_XS_EXPORT_C 438 # endif 439 #endif 440 441 #ifdef OP_IN_REGISTER 442 # ifdef __GNUC__ 443 # define stringify_immed(s) #s 444 # define stringify(s) stringify_immed(s) 445 struct op *Perl_op asm(stringify(OP_IN_REGISTER)); 446 # endif 447 #endif 448 449 /* gcc (-ansi) -pedantic doesn't allow gcc statement expressions, 450 * g++ allows them but seems to have problems with them 451 * (insane errors ensue). 452 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2). 453 */ 454 #if defined(PERL_GCC_PEDANTIC) || \ 455 (defined(__GNUC__) && defined(__cplusplus) && \ 456 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2)))) 457 # ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN 458 # define PERL_GCC_BRACE_GROUPS_FORBIDDEN 459 # endif 460 #endif 461 462 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus) 463 # ifndef PERL_USE_GCC_BRACE_GROUPS 464 # define PERL_USE_GCC_BRACE_GROUPS 465 # endif 466 #endif 467 468 /* 469 * STMT_START { statements; } STMT_END; 470 * can be used as a single statement, as in 471 * if (x) STMT_START { ... } STMT_END; else ... 472 * 473 * Trying to select a version that gives no warnings... 474 */ 475 #if !(defined(STMT_START) && defined(STMT_END)) 476 # ifdef PERL_USE_GCC_BRACE_GROUPS 477 # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */ 478 # define STMT_END ) 479 # else 480 /* Now which other defined()s do we need here ??? */ 481 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__) 482 # define STMT_START if (1) 483 # define STMT_END else (void)0 484 # else 485 # define STMT_START do 486 # define STMT_END while (0) 487 # endif 488 # endif 489 #endif 490 491 #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */ 492 # define BYTEORDER 0x1234 493 #endif 494 495 /* Overall memory policy? */ 496 #ifndef CONSERVATIVE 497 # define LIBERAL 1 498 #endif 499 500 #if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90 501 #define ASCIIish 502 #else 503 #undef ASCIIish 504 #endif 505 506 /* 507 * The following contortions are brought to you on behalf of all the 508 * standards, semi-standards, de facto standards, not-so-de-facto standards 509 * of the world, as well as all the other botches anyone ever thought of. 510 * The basic theory is that if we work hard enough here, the rest of the 511 * code can be a lot prettier. Well, so much for theory. Sorry, Henry... 512 */ 513 514 /* define this once if either system, instead of cluttering up the src */ 515 #if defined(MSDOS) || defined(WIN32) || defined(NETWARE) 516 #define DOSISH 1 517 #endif 518 519 #if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__) 520 # define STANDARD_C 1 521 #endif 522 523 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO) 524 # define DONT_DECLARE_STD 1 525 #endif 526 527 #if defined(HASVOLATILE) || defined(STANDARD_C) 528 # define VOL volatile 529 #else 530 # define VOL 531 #endif 532 533 /* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT, 534 * you get a perl without taint support, but doubtlessly with a lesser 535 * degree of support. Do not do so unless you know exactly what it means 536 * technically, have a good reason to do so, and know exactly how the 537 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered 538 * a potential security risk due to flat out ignoring the security-relevant 539 * taint flags. This being said, a perl without taint support compiled in 540 * has marginal run-time performance benefits. 541 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT. 542 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it 543 * silently ignores -t/-T instead of throwing an exception. 544 * 545 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT 546 * voids your nonexistent warranty! 547 */ 548 #if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT) 549 # define NO_TAINT_SUPPORT 1 550 #endif 551 552 /* NO_TAINT_SUPPORT can be set to transform virtually all taint-related 553 * operations into no-ops for a very modest speed-up. Enable only if you 554 * know what you're doing: tests and CPAN modules' tests are bound to fail. 555 */ 556 #if NO_TAINT_SUPPORT 557 # define TAINT NOOP 558 # define TAINT_NOT NOOP 559 # define TAINT_IF(c) NOOP 560 # define TAINT_ENV() NOOP 561 # define TAINT_PROPER(s) NOOP 562 # define TAINT_set(s) NOOP 563 # define TAINT_get 0 564 # define TAINTING_get 0 565 # define TAINTING_set(s) NOOP 566 # define TAINT_WARN_get 0 567 # define TAINT_WARN_set(s) NOOP 568 #else 569 # define TAINT (PL_tainted = TRUE) 570 # define TAINT_NOT (PL_tainted = FALSE) 571 # define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; } 572 # define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); } 573 # define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); } 574 # define TAINT_set(s) (PL_tainted = (s)) 575 # define TAINT_get (PL_tainted) 576 # define TAINTING_get (PL_tainting) 577 # define TAINTING_set(s) (PL_tainting = (s)) 578 # define TAINT_WARN_get (PL_taint_warn) 579 # define TAINT_WARN_set(s) (PL_taint_warn = (s)) 580 #endif 581 582 /* flags used internally only within pp_subst and pp_substcont */ 583 #ifdef PERL_CORE 584 # define SUBST_TAINT_STR 1 /* string tainted */ 585 # define SUBST_TAINT_PAT 2 /* pattern tainted */ 586 # define SUBST_TAINT_REPL 4 /* replacement tainted */ 587 # define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */ 588 # define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */ 589 #endif 590 591 /* XXX All process group stuff is handled in pp_sys.c. Should these 592 defines move there? If so, I could simplify this a lot. --AD 9/96. 593 */ 594 /* Process group stuff changed from traditional BSD to POSIX. 595 perlfunc.pod documents the traditional BSD-style syntax, so we'll 596 try to preserve that, if possible. 597 */ 598 #ifdef HAS_SETPGID 599 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp)) 600 #else 601 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP) 602 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp)) 603 # else 604 # ifdef HAS_SETPGRP2 /* DG/UX */ 605 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp)) 606 # endif 607 # endif 608 #endif 609 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP) 610 # define HAS_SETPGRP /* Well, effectively it does . . . */ 611 #endif 612 613 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes 614 our life easier :-) so we'll try it. 615 */ 616 #ifdef HAS_GETPGID 617 # define BSD_GETPGRP(pid) getpgid((pid)) 618 #else 619 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP) 620 # define BSD_GETPGRP(pid) getpgrp((pid)) 621 # else 622 # ifdef HAS_GETPGRP2 /* DG/UX */ 623 # define BSD_GETPGRP(pid) getpgrp2((pid)) 624 # endif 625 # endif 626 #endif 627 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP) 628 # define HAS_GETPGRP /* Well, effectively it does . . . */ 629 #endif 630 631 /* These are not exact synonyms, since setpgrp() and getpgrp() may 632 have different behaviors, but perl.h used to define USE_BSDPGRP 633 (prior to 5.003_05) so some extension might depend on it. 634 */ 635 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP) 636 # ifndef USE_BSDPGRP 637 # define USE_BSDPGRP 638 # endif 639 #endif 640 641 /* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that 642 pthread.h must be included before all other header files. 643 */ 644 #if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD) 645 # include <pthread.h> 646 #endif 647 648 #ifndef _TYPES_ /* If types.h defines this it's easy. */ 649 # ifndef major /* Does everyone's types.h define this? */ 650 # include <sys/types.h> 651 # endif 652 #endif 653 654 #ifdef __cplusplus 655 # ifndef I_STDARG 656 # define I_STDARG 1 657 # endif 658 #endif 659 660 #ifdef I_STDARG 661 # include <stdarg.h> 662 #else 663 # ifdef I_VARARGS 664 # include <varargs.h> 665 # endif 666 #endif 667 668 #ifdef USE_NEXT_CTYPE 669 670 #if NX_CURRENT_COMPILER_RELEASE >= 500 671 # include <bsd/ctypes.h> 672 #else 673 # if NX_CURRENT_COMPILER_RELEASE >= 400 674 # include <objc/NXCType.h> 675 # else /* NX_CURRENT_COMPILER_RELEASE < 400 */ 676 # include <appkit/NXCType.h> 677 # endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */ 678 #endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */ 679 680 #else /* !USE_NEXT_CTYPE */ 681 #include <ctype.h> 682 #endif /* USE_NEXT_CTYPE */ 683 684 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */ 685 #undef METHOD 686 #endif 687 688 #ifdef PERL_MICRO 689 # define NO_LOCALE 690 #endif 691 692 #ifdef I_LOCALE 693 # include <locale.h> 694 #endif 695 696 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE) 697 # define USE_LOCALE 698 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \ 699 && defined(HAS_STRXFRM) 700 # define USE_LOCALE_COLLATE 701 # endif 702 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE) 703 # define USE_LOCALE_CTYPE 704 # endif 705 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC) 706 # define USE_LOCALE_NUMERIC 707 # endif 708 #endif /* !NO_LOCALE && HAS_SETLOCALE */ 709 710 #include <setjmp.h> 711 712 #ifdef I_SYS_PARAM 713 # ifdef PARAM_NEEDS_TYPES 714 # include <sys/types.h> 715 # endif 716 # include <sys/param.h> 717 #endif 718 719 /* Use all the "standard" definitions? */ 720 #if defined(STANDARD_C) && defined(I_STDLIB) 721 # include <stdlib.h> 722 #endif 723 724 /* If this causes problems, set i_unistd=undef in the hint file. */ 725 #ifdef I_UNISTD 726 # include <unistd.h> 727 #endif 728 729 /* for WCOREDUMP */ 730 #ifdef I_SYS_WAIT 731 # include <sys/wait.h> 732 #endif 733 734 #ifdef __SYMBIAN32__ 735 # undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */ 736 #endif 737 738 #if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO) 739 EXTERN_C int syscall(int, ...); 740 #endif 741 742 #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO) 743 EXTERN_C int usleep(unsigned int); 744 #endif 745 746 /* Funky places that do not have socket stuff. */ 747 #if defined(__LIBCATAMOUNT__) 748 # define MYSWAP 749 #endif 750 751 #ifdef PERL_MICRO /* Last chance to export Perl_my_swap */ 752 # define MYSWAP 753 #endif 754 755 #ifdef PERL_CORE 756 757 /* macros for correct constant construction */ 758 # if INTSIZE >= 2 759 # define U16_CONST(x) ((U16)x##U) 760 # else 761 # define U16_CONST(x) ((U16)x##UL) 762 # endif 763 764 # if INTSIZE >= 4 765 # define U32_CONST(x) ((U32)x##U) 766 # else 767 # define U32_CONST(x) ((U32)x##UL) 768 # endif 769 770 # ifdef HAS_QUAD 771 # if INTSIZE >= 8 772 # define U64_CONST(x) ((U64)x##U) 773 # elif LONGSIZE >= 8 774 # define U64_CONST(x) ((U64)x##UL) 775 # elif QUADKIND == QUAD_IS_LONG_LONG 776 # define U64_CONST(x) ((U64)x##ULL) 777 # elif QUADKIND == QUAD_IS___INT64 778 # define U64_CONST(x) ((U64)x##UI64) 779 # else /* best guess we can make */ 780 # define U64_CONST(x) ((U64)x##UL) 781 # endif 782 # endif 783 784 /* byte-swapping functions for big-/little-endian conversion */ 785 # define _swab_16_(x) ((U16)( \ 786 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \ 787 (((U16)(x) & U16_CONST(0xff00)) >> 8) )) 788 789 # define _swab_32_(x) ((U32)( \ 790 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \ 791 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \ 792 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \ 793 (((U32)(x) & U32_CONST(0xff000000)) >> 24) )) 794 795 # ifdef HAS_QUAD 796 # define _swab_64_(x) ((U64)( \ 797 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \ 798 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \ 799 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \ 800 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \ 801 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \ 802 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \ 803 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \ 804 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) )) 805 # endif 806 807 /*----------------------------------------------------------------------------*/ 808 # if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */ 809 /*----------------------------------------------------------------------------*/ 810 # define my_htole16(x) (x) 811 # define my_letoh16(x) (x) 812 # define my_htole32(x) (x) 813 # define my_letoh32(x) (x) 814 # define my_htobe16(x) _swab_16_(x) 815 # define my_betoh16(x) _swab_16_(x) 816 # define my_htobe32(x) _swab_32_(x) 817 # define my_betoh32(x) _swab_32_(x) 818 # ifdef HAS_QUAD 819 # define my_htole64(x) (x) 820 # define my_letoh64(x) (x) 821 # define my_htobe64(x) _swab_64_(x) 822 # define my_betoh64(x) _swab_64_(x) 823 # endif 824 # define my_htoles(x) (x) 825 # define my_letohs(x) (x) 826 # define my_htolei(x) (x) 827 # define my_letohi(x) (x) 828 # define my_htolel(x) (x) 829 # define my_letohl(x) (x) 830 # if SHORTSIZE == 1 831 # define my_htobes(x) (x) 832 # define my_betohs(x) (x) 833 # elif SHORTSIZE == 2 834 # define my_htobes(x) _swab_16_(x) 835 # define my_betohs(x) _swab_16_(x) 836 # elif SHORTSIZE == 4 837 # define my_htobes(x) _swab_32_(x) 838 # define my_betohs(x) _swab_32_(x) 839 # elif SHORTSIZE == 8 840 # define my_htobes(x) _swab_64_(x) 841 # define my_betohs(x) _swab_64_(x) 842 # else 843 # define PERL_NEED_MY_HTOBES 844 # define PERL_NEED_MY_BETOHS 845 # endif 846 # if INTSIZE == 1 847 # define my_htobei(x) (x) 848 # define my_betohi(x) (x) 849 # elif INTSIZE == 2 850 # define my_htobei(x) _swab_16_(x) 851 # define my_betohi(x) _swab_16_(x) 852 # elif INTSIZE == 4 853 # define my_htobei(x) _swab_32_(x) 854 # define my_betohi(x) _swab_32_(x) 855 # elif INTSIZE == 8 856 # define my_htobei(x) _swab_64_(x) 857 # define my_betohi(x) _swab_64_(x) 858 # else 859 # define PERL_NEED_MY_HTOBEI 860 # define PERL_NEED_MY_BETOHI 861 # endif 862 # if LONGSIZE == 1 863 # define my_htobel(x) (x) 864 # define my_betohl(x) (x) 865 # elif LONGSIZE == 2 866 # define my_htobel(x) _swab_16_(x) 867 # define my_betohl(x) _swab_16_(x) 868 # elif LONGSIZE == 4 869 # define my_htobel(x) _swab_32_(x) 870 # define my_betohl(x) _swab_32_(x) 871 # elif LONGSIZE == 8 872 # define my_htobel(x) _swab_64_(x) 873 # define my_betohl(x) _swab_64_(x) 874 # else 875 # define PERL_NEED_MY_HTOBEL 876 # define PERL_NEED_MY_BETOHL 877 # endif 878 # define my_htolen(p,n) NOOP 879 # define my_letohn(p,n) NOOP 880 # define my_htoben(p,n) my_swabn(p,n) 881 # define my_betohn(p,n) my_swabn(p,n) 882 /*----------------------------------------------------------------------------*/ 883 # elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */ 884 /*----------------------------------------------------------------------------*/ 885 # define my_htobe16(x) (x) 886 # define my_betoh16(x) (x) 887 # define my_htobe32(x) (x) 888 # define my_betoh32(x) (x) 889 # define my_htole16(x) _swab_16_(x) 890 # define my_letoh16(x) _swab_16_(x) 891 # define my_htole32(x) _swab_32_(x) 892 # define my_letoh32(x) _swab_32_(x) 893 # ifdef HAS_QUAD 894 # define my_htobe64(x) (x) 895 # define my_betoh64(x) (x) 896 # define my_htole64(x) _swab_64_(x) 897 # define my_letoh64(x) _swab_64_(x) 898 # endif 899 # define my_htobes(x) (x) 900 # define my_betohs(x) (x) 901 # define my_htobei(x) (x) 902 # define my_betohi(x) (x) 903 # define my_htobel(x) (x) 904 # define my_betohl(x) (x) 905 # if SHORTSIZE == 1 906 # define my_htoles(x) (x) 907 # define my_letohs(x) (x) 908 # elif SHORTSIZE == 2 909 # define my_htoles(x) _swab_16_(x) 910 # define my_letohs(x) _swab_16_(x) 911 # elif SHORTSIZE == 4 912 # define my_htoles(x) _swab_32_(x) 913 # define my_letohs(x) _swab_32_(x) 914 # elif SHORTSIZE == 8 915 # define my_htoles(x) _swab_64_(x) 916 # define my_letohs(x) _swab_64_(x) 917 # else 918 # define PERL_NEED_MY_HTOLES 919 # define PERL_NEED_MY_LETOHS 920 # endif 921 # if INTSIZE == 1 922 # define my_htolei(x) (x) 923 # define my_letohi(x) (x) 924 # elif INTSIZE == 2 925 # define my_htolei(x) _swab_16_(x) 926 # define my_letohi(x) _swab_16_(x) 927 # elif INTSIZE == 4 928 # define my_htolei(x) _swab_32_(x) 929 # define my_letohi(x) _swab_32_(x) 930 # elif INTSIZE == 8 931 # define my_htolei(x) _swab_64_(x) 932 # define my_letohi(x) _swab_64_(x) 933 # else 934 # define PERL_NEED_MY_HTOLEI 935 # define PERL_NEED_MY_LETOHI 936 # endif 937 # if LONGSIZE == 1 938 # define my_htolel(x) (x) 939 # define my_letohl(x) (x) 940 # elif LONGSIZE == 2 941 # define my_htolel(x) _swab_16_(x) 942 # define my_letohl(x) _swab_16_(x) 943 # elif LONGSIZE == 4 944 # define my_htolel(x) _swab_32_(x) 945 # define my_letohl(x) _swab_32_(x) 946 # elif LONGSIZE == 8 947 # define my_htolel(x) _swab_64_(x) 948 # define my_letohl(x) _swab_64_(x) 949 # else 950 # define PERL_NEED_MY_HTOLEL 951 # define PERL_NEED_MY_LETOHL 952 # endif 953 # define my_htolen(p,n) my_swabn(p,n) 954 # define my_letohn(p,n) my_swabn(p,n) 955 # define my_htoben(p,n) NOOP 956 # define my_betohn(p,n) NOOP 957 /*----------------------------------------------------------------------------*/ 958 # else /* all other byte-orders */ 959 /*----------------------------------------------------------------------------*/ 960 # define PERL_NEED_MY_HTOLE16 961 # define PERL_NEED_MY_LETOH16 962 # define PERL_NEED_MY_HTOBE16 963 # define PERL_NEED_MY_BETOH16 964 # define PERL_NEED_MY_HTOLE32 965 # define PERL_NEED_MY_LETOH32 966 # define PERL_NEED_MY_HTOBE32 967 # define PERL_NEED_MY_BETOH32 968 # ifdef HAS_QUAD 969 # define PERL_NEED_MY_HTOLE64 970 # define PERL_NEED_MY_LETOH64 971 # define PERL_NEED_MY_HTOBE64 972 # define PERL_NEED_MY_BETOH64 973 # endif 974 # define PERL_NEED_MY_HTOLES 975 # define PERL_NEED_MY_LETOHS 976 # define PERL_NEED_MY_HTOBES 977 # define PERL_NEED_MY_BETOHS 978 # define PERL_NEED_MY_HTOLEI 979 # define PERL_NEED_MY_LETOHI 980 # define PERL_NEED_MY_HTOBEI 981 # define PERL_NEED_MY_BETOHI 982 # define PERL_NEED_MY_HTOLEL 983 # define PERL_NEED_MY_LETOHL 984 # define PERL_NEED_MY_HTOBEL 985 # define PERL_NEED_MY_BETOHL 986 /*----------------------------------------------------------------------------*/ 987 # endif /* end of byte-order macros */ 988 /*----------------------------------------------------------------------------*/ 989 990 /* The old value was hard coded at 1008. (4096-16) seems to be a bit faster, 991 at least on FreeBSD. YMMV, so experiment. */ 992 #ifndef PERL_ARENA_SIZE 993 #define PERL_ARENA_SIZE 4080 994 #endif 995 996 /* Maximum level of recursion */ 997 #ifndef PERL_SUB_DEPTH_WARN 998 #define PERL_SUB_DEPTH_WARN 100 999 #endif 1000 1001 #endif /* PERL_CORE */ 1002 1003 /* We no longer default to creating a new SV for GvSV. 1004 Do this before embed. */ 1005 #ifndef PERL_CREATE_GVSV 1006 # ifndef PERL_DONT_CREATE_GVSV 1007 # define PERL_DONT_CREATE_GVSV 1008 # endif 1009 #endif 1010 1011 #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME) 1012 #define PERL_USES_PL_PIDSTATUS 1013 #endif 1014 1015 #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__) 1016 #define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION 1017 #endif 1018 1019 #define MEM_SIZE Size_t 1020 1021 /* Round all values passed to malloc up, by default to a multiple of 1022 sizeof(size_t) 1023 */ 1024 #ifndef PERL_STRLEN_ROUNDUP_QUANTUM 1025 #define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size 1026 #endif 1027 1028 /* sv_grow() will expand strings by at least a certain percentage of 1029 the previously *used* length to avoid excessive calls to realloc(). 1030 The default is 25% of the current length. 1031 */ 1032 #ifndef PERL_STRLEN_EXPAND_SHIFT 1033 # define PERL_STRLEN_EXPAND_SHIFT 2 1034 #endif 1035 1036 #if defined(STANDARD_C) && defined(I_STDDEF) 1037 # include <stddef.h> 1038 # define STRUCT_OFFSET(s,m) offsetof(s,m) 1039 #else 1040 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m)) 1041 #endif 1042 1043 #ifndef __SYMBIAN32__ 1044 # if defined(I_STRING) || defined(__cplusplus) 1045 # include <string.h> 1046 # else 1047 # include <strings.h> 1048 # endif 1049 #endif 1050 1051 /* This comes after <stdlib.h> so we don't try to change the standard 1052 * library prototypes; we'll use our own in proto.h instead. */ 1053 1054 #ifdef MYMALLOC 1055 # ifdef PERL_POLLUTE_MALLOC 1056 # ifndef PERL_EXTMALLOC_DEF 1057 # define Perl_malloc malloc 1058 # define Perl_calloc calloc 1059 # define Perl_realloc realloc 1060 # define Perl_mfree free 1061 # endif 1062 # else 1063 # define EMBEDMYMALLOC /* for compatibility */ 1064 # endif 1065 1066 # define safemalloc Perl_malloc 1067 # define safecalloc Perl_calloc 1068 # define saferealloc Perl_realloc 1069 # define safefree Perl_mfree 1070 # define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \ 1071 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \ 1072 code; \ 1073 } STMT_END 1074 # define CHECK_MALLOC_TOO_LATE_FOR(ch) \ 1075 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch)) 1076 # define panic_write2(s) write(2, s, strlen(s)) 1077 # define CHECK_MALLOC_TAINT(newval) \ 1078 CHECK_MALLOC_TOO_LATE_FOR_( \ 1079 if (newval) { \ 1080 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\ 1081 exit(1); }) 1082 # define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \ 1083 if (doing_taint(argc,argv,env)) { \ 1084 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \ 1085 }} STMT_END; 1086 #else /* MYMALLOC */ 1087 # define safemalloc safesysmalloc 1088 # define safecalloc safesyscalloc 1089 # define saferealloc safesysrealloc 1090 # define safefree safesysfree 1091 # define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0) 1092 # define CHECK_MALLOC_TAINT(newval) ((void)0) 1093 # define MALLOC_CHECK_TAINT(argc,argv,env) 1094 #endif /* MYMALLOC */ 1095 1096 /* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */ 1097 #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) 1098 #define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "") 1099 #define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}") 1100 #define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL) 1101 1102 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr) 1103 #define strchr index 1104 #define strrchr rindex 1105 #endif 1106 1107 #ifdef I_MEMORY 1108 # include <memory.h> 1109 #endif 1110 1111 #ifdef HAS_MEMCPY 1112 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) 1113 # ifndef memcpy 1114 extern char * memcpy (char*, char*, int); 1115 # endif 1116 # endif 1117 #else 1118 # ifndef memcpy 1119 # ifdef HAS_BCOPY 1120 # define memcpy(d,s,l) bcopy(s,d,l) 1121 # else 1122 # define memcpy(d,s,l) my_bcopy(s,d,l) 1123 # endif 1124 # endif 1125 #endif /* HAS_MEMCPY */ 1126 1127 #ifdef HAS_MEMSET 1128 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) 1129 # ifndef memset 1130 extern char *memset (char*, int, int); 1131 # endif 1132 # endif 1133 #else 1134 # undef memset 1135 # define memset(d,c,l) my_memset(d,c,l) 1136 #endif /* HAS_MEMSET */ 1137 1138 #if !defined(HAS_MEMMOVE) && !defined(memmove) 1139 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY) 1140 # define memmove(d,s,l) bcopy(s,d,l) 1141 # else 1142 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY) 1143 # define memmove(d,s,l) memcpy(d,s,l) 1144 # else 1145 # define memmove(d,s,l) my_bcopy(s,d,l) 1146 # endif 1147 # endif 1148 #endif 1149 1150 #if defined(mips) && defined(ultrix) && !defined(__STDC__) 1151 # undef HAS_MEMCMP 1152 #endif 1153 1154 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP) 1155 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) 1156 # ifndef memcmp 1157 extern int memcmp (char*, char*, int); 1158 # endif 1159 # endif 1160 # ifdef BUGGY_MSC 1161 # pragma function(memcmp) 1162 # endif 1163 #else 1164 # ifndef memcmp 1165 # define memcmp my_memcmp 1166 # endif 1167 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */ 1168 1169 #ifndef memzero 1170 # ifdef HAS_MEMSET 1171 # define memzero(d,l) memset(d,0,l) 1172 # else 1173 # ifdef HAS_BZERO 1174 # define memzero(d,l) bzero(d,l) 1175 # else 1176 # define memzero(d,l) my_bzero(d,l) 1177 # endif 1178 # endif 1179 #endif 1180 1181 #ifndef PERL_MICRO 1182 #ifndef memchr 1183 # ifndef HAS_MEMCHR 1184 # define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1) 1185 # endif 1186 #endif 1187 #endif 1188 1189 #ifndef HAS_BCMP 1190 # ifndef bcmp 1191 # define bcmp(s1,s2,l) memcmp(s1,s2,l) 1192 # endif 1193 #endif /* !HAS_BCMP */ 1194 1195 #ifdef I_NETINET_IN 1196 # include <netinet/in.h> 1197 #endif 1198 1199 #ifdef I_ARPA_INET 1200 # include <arpa/inet.h> 1201 #endif 1202 1203 #if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO) 1204 /* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND 1205 * (the neo-BSD seem to do this). */ 1206 # undef SF_APPEND 1207 #endif 1208 1209 #ifdef I_SYS_STAT 1210 # include <sys/stat.h> 1211 #endif 1212 1213 /* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO. 1214 This definition should ideally go into win32/win32.h, but S_IFIFO is 1215 used later here in perl.h before win32/win32.h is being included. */ 1216 #if !defined(S_IFIFO) && defined(_S_IFIFO) 1217 # define S_IFIFO _S_IFIFO 1218 #endif 1219 1220 /* The stat macros for Unisoft System V/88 (and derivatives 1221 like UTekV) are broken, sometimes giving false positives. Undefine 1222 them here and let the code below set them to proper values. 1223 1224 The ghs macro stands for GreenHills Software C-1.8.5 which 1225 is the C compiler for sysV88 and the various derivatives. 1226 This header file bug is corrected in gcc-2.5.8 and later versions. 1227 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */ 1228 1229 #if defined(m88k) && defined(ghs) 1230 # undef S_ISDIR 1231 # undef S_ISCHR 1232 # undef S_ISBLK 1233 # undef S_ISREG 1234 # undef S_ISFIFO 1235 # undef S_ISLNK 1236 #endif 1237 1238 #ifdef I_TIME 1239 # include <time.h> 1240 #endif 1241 1242 #ifdef I_SYS_TIME 1243 # ifdef I_SYS_TIME_KERNEL 1244 # define KERNEL 1245 # endif 1246 # include <sys/time.h> 1247 # ifdef I_SYS_TIME_KERNEL 1248 # undef KERNEL 1249 # endif 1250 #endif 1251 1252 #if defined(HAS_TIMES) && defined(I_SYS_TIMES) 1253 # include <sys/times.h> 1254 #endif 1255 1256 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR)) 1257 # undef HAS_STRERROR 1258 #endif 1259 1260 #include <errno.h> 1261 1262 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS) 1263 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */ 1264 #endif 1265 1266 /* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one. 1267 * This is important for using IPv6. 1268 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be 1269 * a bad idea since it breaks send() and recv(). */ 1270 #if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X) 1271 # define _SOCKADDR_LEN 1272 #endif 1273 1274 #if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */ 1275 # include <sys/socket.h> 1276 # if defined(USE_SOCKS) && defined(I_SOCKS) 1277 # if !defined(INCLUDE_PROTOTYPES) 1278 # define INCLUDE_PROTOTYPES /* for <socks.h> */ 1279 # define PERL_SOCKS_NEED_PROTOTYPES 1280 # endif 1281 # include <socks.h> 1282 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */ 1283 # undef INCLUDE_PROTOTYPES 1284 # undef PERL_SOCKS_NEED_PROTOTYPES 1285 # endif 1286 # endif 1287 # ifdef I_NETDB 1288 # ifdef NETWARE 1289 # include<stdio.h> 1290 # endif 1291 # include <netdb.h> 1292 # endif 1293 # ifndef ENOTSOCK 1294 # ifdef I_NET_ERRNO 1295 # include <net/errno.h> 1296 # endif 1297 # endif 1298 #endif 1299 1300 /* sockatmark() is so new (2001) that many places might have it hidden 1301 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required 1302 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */ 1303 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO) 1304 # if defined(__THROW) && defined(__GLIBC__) 1305 int sockatmark(int) __THROW; 1306 # else 1307 int sockatmark(int); 1308 # endif 1309 #endif 1310 1311 #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. */ 1312 EXTERN_C int fchdir(int); 1313 EXTERN_C int flock(int, int); 1314 EXTERN_C int fseeko(FILE *, off_t, int); 1315 EXTERN_C off_t ftello(FILE *); 1316 #endif 1317 1318 #if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */ 1319 EXTERN_C char *crypt(const char *, const char *); 1320 EXTERN_C char **environ; 1321 #endif 1322 1323 #if defined(__cplusplus) 1324 # if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 1325 EXTERN_C char **environ; 1326 # elif defined(__CYGWIN__) 1327 EXTERN_C char *crypt(const char *, const char *); 1328 #endif 1329 #endif 1330 1331 #ifdef SETERRNO 1332 # undef SETERRNO /* SOCKS might have defined this */ 1333 #endif 1334 1335 #ifdef VMS 1336 # define SETERRNO(errcode,vmserrcode) \ 1337 STMT_START { \ 1338 set_errno(errcode); \ 1339 set_vaxc_errno(vmserrcode); \ 1340 } STMT_END 1341 # define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno 1342 # define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno 1343 # define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno ) 1344 # define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno) 1345 1346 # define LIB_INVARG LIB$_INVARG 1347 # define RMS_DIR RMS$_DIR 1348 # define RMS_FAC RMS$_FAC 1349 # define RMS_FEX RMS$_FEX 1350 # define RMS_FNF RMS$_FNF 1351 # define RMS_IFI RMS$_IFI 1352 # define RMS_ISI RMS$_ISI 1353 # define RMS_PRV RMS$_PRV 1354 # define SS_ACCVIO SS$_ACCVIO 1355 # define SS_DEVOFFLINE SS$_DEVOFFLINE 1356 # define SS_IVCHAN SS$_IVCHAN 1357 # define SS_NORMAL SS$_NORMAL 1358 #else 1359 # define SETERRNO(errcode,vmserrcode) (errno = (errcode)) 1360 # define dSAVEDERRNO int saved_errno 1361 # define dSAVE_ERRNO int saved_errno = errno 1362 # define SAVE_ERRNO (saved_errno = errno) 1363 # define RESTORE_ERRNO (errno = saved_errno) 1364 1365 # define LIB_INVARG 0 1366 # define RMS_DIR 0 1367 # define RMS_FAC 0 1368 # define RMS_FEX 0 1369 # define RMS_FNF 0 1370 # define RMS_IFI 0 1371 # define RMS_ISI 0 1372 # define RMS_PRV 0 1373 # define SS_ACCVIO 0 1374 # define SS_DEVOFFLINE 0 1375 # define SS_IVCHAN 0 1376 # define SS_NORMAL 0 1377 #endif 1378 1379 #define ERRSV GvSVn(PL_errgv) 1380 1381 #define CLEAR_ERRSV() STMT_START { \ 1382 if (!GvSV(PL_errgv)) { \ 1383 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \ 1384 } else if (SvREADONLY(GvSV(PL_errgv))) { \ 1385 SvREFCNT_dec(GvSV(PL_errgv)); \ 1386 GvSV(PL_errgv) = newSVpvs(""); \ 1387 } else { \ 1388 SV *const errsv = GvSV(PL_errgv); \ 1389 sv_setpvs(errsv, ""); \ 1390 if (SvMAGICAL(errsv)) { \ 1391 mg_free(errsv); \ 1392 } \ 1393 SvPOK_only(errsv); \ 1394 } \ 1395 } STMT_END 1396 1397 1398 #ifdef PERL_CORE 1399 # define DEFSV (0 + GvSVn(PL_defgv)) 1400 # define DEFSV_set(sv) \ 1401 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv)) 1402 # define SAVE_DEFSV \ 1403 ( \ 1404 save_gp(PL_defgv, 0), \ 1405 GvINTRO_off(PL_defgv), \ 1406 SAVEGENERICSV(GvSV(PL_defgv)), \ 1407 GvSV(PL_defgv) = NULL \ 1408 ) 1409 #else 1410 # define DEFSV GvSVn(PL_defgv) 1411 # define DEFSV_set(sv) (GvSV(PL_defgv) = (sv)) 1412 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv)) 1413 #endif 1414 1415 #define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */ 1416 1417 #ifndef errno 1418 extern int errno; /* ANSI allows errno to be an lvalue expr. 1419 * For example in multithreaded environments 1420 * something like this might happen: 1421 * extern int *_errno(void); 1422 * #define errno (*_errno()) */ 1423 #endif 1424 1425 #ifdef HAS_STRERROR 1426 #ifndef DONT_DECLARE_STD 1427 # ifdef VMS 1428 char *strerror (int,...); 1429 # else 1430 char *strerror (int); 1431 # endif 1432 #endif 1433 # ifndef Strerror 1434 # define Strerror strerror 1435 # endif 1436 #else 1437 # ifdef HAS_SYS_ERRLIST 1438 extern int sys_nerr; 1439 extern char *sys_errlist[]; 1440 # ifndef Strerror 1441 # define Strerror(e) \ 1442 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e]) 1443 # endif 1444 # endif 1445 #endif 1446 1447 #ifdef I_SYS_IOCTL 1448 # ifndef _IOCTL_ 1449 # include <sys/ioctl.h> 1450 # endif 1451 #endif 1452 1453 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000) 1454 # ifdef HAS_SOCKETPAIR 1455 # undef HAS_SOCKETPAIR 1456 # endif 1457 # ifdef I_NDBM 1458 # undef I_NDBM 1459 # endif 1460 #endif 1461 1462 #ifndef HAS_SOCKETPAIR 1463 # ifdef HAS_SOCKET 1464 # define socketpair Perl_my_socketpair 1465 # endif 1466 #endif 1467 1468 #if INTSIZE == 2 1469 # define htoni htons 1470 # define ntohi ntohs 1471 #else 1472 # define htoni htonl 1473 # define ntohi ntohl 1474 #endif 1475 1476 /* Configure already sets Direntry_t */ 1477 #if defined(I_DIRENT) 1478 # include <dirent.h> 1479 /* NeXT needs dirent + sys/dir.h */ 1480 # if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__)) 1481 # include <sys/dir.h> 1482 # endif 1483 #else 1484 # ifdef I_SYS_NDIR 1485 # include <sys/ndir.h> 1486 # else 1487 # ifdef I_SYS_DIR 1488 # ifdef hp9000s500 1489 # include <ndir.h> /* may be wrong in the future */ 1490 # else 1491 # include <sys/dir.h> 1492 # endif 1493 # endif 1494 # endif 1495 #endif 1496 1497 #ifdef PERL_MICRO 1498 # ifndef DIR 1499 # define DIR void 1500 # endif 1501 #endif 1502 1503 #ifdef FPUTS_BOTCH 1504 /* work around botch in SunOS 4.0.1 and 4.0.2 */ 1505 # ifndef fputs 1506 # define fputs(sv,fp) fprintf(fp,"%s",sv) 1507 # endif 1508 #endif 1509 1510 /* 1511 * The following gobbledygook brought to you on behalf of __STDC__. 1512 * (I could just use #ifndef __STDC__, but this is more bulletproof 1513 * in the face of half-implementations.) 1514 */ 1515 1516 #if defined(I_SYSMODE) && !defined(PERL_MICRO) 1517 #include <sys/mode.h> 1518 #endif 1519 1520 #ifndef S_IFMT 1521 # ifdef _S_IFMT 1522 # define S_IFMT _S_IFMT 1523 # else 1524 # define S_IFMT 0170000 1525 # endif 1526 #endif 1527 1528 #ifndef S_ISDIR 1529 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR) 1530 #endif 1531 1532 #ifndef S_ISCHR 1533 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR) 1534 #endif 1535 1536 #ifndef S_ISBLK 1537 # ifdef S_IFBLK 1538 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK) 1539 # else 1540 # define S_ISBLK(m) (0) 1541 # endif 1542 #endif 1543 1544 #ifndef S_ISREG 1545 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG) 1546 #endif 1547 1548 #ifndef S_ISFIFO 1549 # ifdef S_IFIFO 1550 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO) 1551 # else 1552 # define S_ISFIFO(m) (0) 1553 # endif 1554 #endif 1555 1556 #ifndef S_ISLNK 1557 # ifdef _S_ISLNK 1558 # define S_ISLNK(m) _S_ISLNK(m) 1559 # else 1560 # ifdef _S_IFLNK 1561 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK) 1562 # else 1563 # ifdef S_IFLNK 1564 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK) 1565 # else 1566 # define S_ISLNK(m) (0) 1567 # endif 1568 # endif 1569 # endif 1570 #endif 1571 1572 #ifndef S_ISSOCK 1573 # ifdef _S_ISSOCK 1574 # define S_ISSOCK(m) _S_ISSOCK(m) 1575 # else 1576 # ifdef _S_IFSOCK 1577 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK) 1578 # else 1579 # ifdef S_IFSOCK 1580 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK) 1581 # else 1582 # define S_ISSOCK(m) (0) 1583 # endif 1584 # endif 1585 # endif 1586 #endif 1587 1588 #ifndef S_IRUSR 1589 # ifdef S_IREAD 1590 # define S_IRUSR S_IREAD 1591 # define S_IWUSR S_IWRITE 1592 # define S_IXUSR S_IEXEC 1593 # else 1594 # define S_IRUSR 0400 1595 # define S_IWUSR 0200 1596 # define S_IXUSR 0100 1597 # endif 1598 #endif 1599 1600 #ifndef S_IRGRP 1601 # ifdef S_IRUSR 1602 # define S_IRGRP (S_IRUSR>>3) 1603 # define S_IWGRP (S_IWUSR>>3) 1604 # define S_IXGRP (S_IXUSR>>3) 1605 # else 1606 # define S_IRGRP 0040 1607 # define S_IWGRP 0020 1608 # define S_IXGRP 0010 1609 # endif 1610 #endif 1611 1612 #ifndef S_IROTH 1613 # ifdef S_IRUSR 1614 # define S_IROTH (S_IRUSR>>6) 1615 # define S_IWOTH (S_IWUSR>>6) 1616 # define S_IXOTH (S_IXUSR>>6) 1617 # else 1618 # define S_IROTH 0040 1619 # define S_IWOTH 0020 1620 # define S_IXOTH 0010 1621 # endif 1622 #endif 1623 1624 #ifndef S_ISUID 1625 # define S_ISUID 04000 1626 #endif 1627 1628 #ifndef S_ISGID 1629 # define S_ISGID 02000 1630 #endif 1631 1632 #ifndef S_IRWXU 1633 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR) 1634 #endif 1635 1636 #ifndef S_IRWXG 1637 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP) 1638 #endif 1639 1640 #ifndef S_IRWXO 1641 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH) 1642 #endif 1643 1644 /* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h> 1645 * which would get included through <sys/file.h >, but that is 3000 1646 * lines in the future. --jhi */ 1647 1648 #if !defined(S_IREAD) && !defined(__HAIKU__) 1649 # define S_IREAD S_IRUSR 1650 #endif 1651 1652 #if !defined(S_IWRITE) && !defined(__HAIKU__) 1653 # define S_IWRITE S_IWUSR 1654 #endif 1655 1656 #ifndef S_IEXEC 1657 # define S_IEXEC S_IXUSR 1658 #endif 1659 1660 #ifdef ff_next 1661 # undef ff_next 1662 #endif 1663 1664 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr) 1665 # define SLOPPYDIVIDE 1666 #endif 1667 1668 #ifdef UV 1669 #undef UV 1670 #endif 1671 1672 /* For the times when you want the return value of sprintf, and you want it 1673 to be the length. Can't have a thread variable passed in, because C89 has 1674 no varargs macros. 1675 */ 1676 #ifdef SPRINTF_RETURNS_STRLEN 1677 # define my_sprintf sprintf 1678 #else 1679 # define my_sprintf Perl_my_sprintf 1680 #endif 1681 1682 /* 1683 * If we have v?snprintf() and the C99 variadic macros, we can just 1684 * use just the v?snprintf(). It is nice to try to trap the buffer 1685 * overflow, however, so if we are DEBUGGING, and we cannot use the 1686 * gcc statement expressions, then use the function wrappers which try 1687 * to trap the overflow. If we can use the gcc statement expressions, 1688 * we can try that even with the version that uses the C99 variadic 1689 * macros. 1690 */ 1691 1692 /* Note that we do not check against snprintf()/vsnprintf() returning 1693 * negative values because that is non-standard behaviour and we use 1694 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and 1695 * that should be true only if the snprintf()/vsnprintf() are true 1696 * to the standard. */ 1697 1698 #if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC) 1699 # ifdef PERL_USE_GCC_BRACE_GROUPS 1700 # 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__; }) 1701 # define PERL_MY_SNPRINTF_GUARDED 1702 # else 1703 # define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__) 1704 # endif 1705 #else 1706 # define my_snprintf Perl_my_snprintf 1707 # define PERL_MY_SNPRINTF_GUARDED 1708 #endif 1709 1710 #if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC) 1711 # ifdef PERL_USE_GCC_BRACE_GROUPS 1712 # 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__; }) 1713 # define PERL_MY_VSNPRINTF_GUARDED 1714 # else 1715 # define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__) 1716 # endif 1717 #else 1718 # define my_vsnprintf Perl_my_vsnprintf 1719 # define PERL_MY_VSNPRINTF_GUARDED 1720 #endif 1721 1722 #ifdef HAS_STRLCAT 1723 # define my_strlcat strlcat 1724 #else 1725 # define my_strlcat Perl_my_strlcat 1726 #endif 1727 1728 #ifdef HAS_STRLCPY 1729 # define my_strlcpy strlcpy 1730 #else 1731 # define my_strlcpy Perl_my_strlcpy 1732 #endif 1733 1734 /* 1735 The IV type is supposed to be long enough to hold any integral 1736 value or a pointer. 1737 --Andy Dougherty August 1996 1738 */ 1739 1740 typedef IVTYPE IV; 1741 typedef UVTYPE UV; 1742 1743 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD) 1744 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX) 1745 # define IV_MAX INT64_MAX 1746 # define IV_MIN INT64_MIN 1747 # define UV_MAX UINT64_MAX 1748 # ifndef UINT64_MIN 1749 # define UINT64_MIN 0 1750 # endif 1751 # define UV_MIN UINT64_MIN 1752 # else 1753 # define IV_MAX PERL_QUAD_MAX 1754 # define IV_MIN PERL_QUAD_MIN 1755 # define UV_MAX PERL_UQUAD_MAX 1756 # define UV_MIN PERL_UQUAD_MIN 1757 # endif 1758 # define IV_IS_QUAD 1759 # define UV_IS_QUAD 1760 #else 1761 # if defined(INT32_MAX) && IVSIZE == 4 1762 # define IV_MAX INT32_MAX 1763 # define IV_MIN INT32_MIN 1764 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */ 1765 # define UV_MAX UINT32_MAX 1766 # else 1767 # define UV_MAX 4294967295U 1768 # endif 1769 # ifndef UINT32_MIN 1770 # define UINT32_MIN 0 1771 # endif 1772 # define UV_MIN UINT32_MIN 1773 # else 1774 # define IV_MAX PERL_LONG_MAX 1775 # define IV_MIN PERL_LONG_MIN 1776 # define UV_MAX PERL_ULONG_MAX 1777 # define UV_MIN PERL_ULONG_MIN 1778 # endif 1779 # if IVSIZE == 8 1780 # define IV_IS_QUAD 1781 # define UV_IS_QUAD 1782 # ifndef HAS_QUAD 1783 # define HAS_QUAD 1784 # endif 1785 # else 1786 # undef IV_IS_QUAD 1787 # undef UV_IS_QUAD 1788 # undef HAS_QUAD 1789 # endif 1790 #endif 1791 1792 #ifndef HAS_QUAD 1793 # undef PERL_NEED_MY_HTOLE64 1794 # undef PERL_NEED_MY_LETOH64 1795 # undef PERL_NEED_MY_HTOBE64 1796 # undef PERL_NEED_MY_BETOH64 1797 #endif 1798 1799 #define IV_DIG (BIT_DIGITS(IVSIZE * 8)) 1800 #define UV_DIG (BIT_DIGITS(UVSIZE * 8)) 1801 1802 #ifndef NO_PERL_PRESERVE_IVUV 1803 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */ 1804 #endif 1805 1806 /* 1807 * The macros INT2PTR and NUM2PTR are (despite their names) 1808 * bi-directional: they will convert int/float to or from pointers. 1809 * However the conversion to int/float are named explicitly: 1810 * PTR2IV, PTR2UV, PTR2NV. 1811 * 1812 * For int conversions we do not need two casts if pointers are 1813 * the same size as IV and UV. Otherwise we need an explicit 1814 * cast (PTRV) to avoid compiler warnings. 1815 */ 1816 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE) 1817 # define PTRV UV 1818 # define INT2PTR(any,d) (any)(d) 1819 #else 1820 # if PTRSIZE == LONGSIZE 1821 # define PTRV unsigned long 1822 # define PTR2ul(p) (unsigned long)(p) 1823 # else 1824 # define PTRV unsigned 1825 # endif 1826 #endif 1827 1828 #ifndef INT2PTR 1829 # define INT2PTR(any,d) (any)(PTRV)(d) 1830 #endif 1831 1832 #ifndef PTR2ul 1833 # define PTR2ul(p) INT2PTR(unsigned long,p) 1834 #endif 1835 1836 #define NUM2PTR(any,d) (any)(PTRV)(d) 1837 #define PTR2IV(p) INT2PTR(IV,p) 1838 #define PTR2UV(p) INT2PTR(UV,p) 1839 #define PTR2NV(p) NUM2PTR(NV,p) 1840 #define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */ 1841 1842 /* According to strict ANSI C89 one cannot freely cast between 1843 * data pointers and function (code) pointers. There are at least 1844 * two ways around this. One (used below) is to do two casts, 1845 * first the other pointer to an (unsigned) integer, and then 1846 * the integer to the other pointer. The other way would be 1847 * to use unions to "overlay" the pointers. For an example of 1848 * the latter technique, see union dirpu in struct xpvio in sv.h. 1849 * The only feasible use is probably temporarily storing 1850 * function pointers in a data pointer (such as a void pointer). */ 1851 1852 #define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */ 1853 #define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */ 1854 1855 #ifdef USE_LONG_DOUBLE 1856 # if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE 1857 # define LONG_DOUBLE_EQUALS_DOUBLE 1858 # endif 1859 # if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE)) 1860 # undef USE_LONG_DOUBLE /* Ouch! */ 1861 # endif 1862 #endif 1863 1864 #ifdef OVR_DBL_DIG 1865 /* Use an overridden DBL_DIG */ 1866 # ifdef DBL_DIG 1867 # undef DBL_DIG 1868 # endif 1869 # define DBL_DIG OVR_DBL_DIG 1870 #else 1871 /* The following is all to get DBL_DIG, in order to pick a nice 1872 default value for printing floating point numbers in Gconvert 1873 (see config.h). (It also has other uses, such as figuring out if 1874 a given precision of printing can be done with a double instead of 1875 a long double - Allen). 1876 */ 1877 #ifdef I_LIMITS 1878 #include <limits.h> 1879 #endif 1880 #ifdef I_FLOAT 1881 #include <float.h> 1882 #endif 1883 #ifndef HAS_DBL_DIG 1884 #define DBL_DIG 15 /* A guess that works lots of places */ 1885 #endif 1886 #endif 1887 1888 #ifdef OVR_LDBL_DIG 1889 /* Use an overridden LDBL_DIG */ 1890 # ifdef LDBL_DIG 1891 # undef LDBL_DIG 1892 # endif 1893 # define LDBL_DIG OVR_LDBL_DIG 1894 #else 1895 /* The following is all to get LDBL_DIG, in order to pick a nice 1896 default value for printing floating point numbers in Gconvert. 1897 (see config.h) 1898 */ 1899 # ifdef I_LIMITS 1900 # include <limits.h> 1901 # endif 1902 # ifdef I_FLOAT 1903 # include <float.h> 1904 # endif 1905 # ifndef HAS_LDBL_DIG 1906 # if LONG_DOUBLESIZE == 10 1907 # define LDBL_DIG 18 /* assume IEEE */ 1908 # else 1909 # if LONG_DOUBLESIZE == 12 1910 # define LDBL_DIG 18 /* gcc? */ 1911 # else 1912 # if LONG_DOUBLESIZE == 16 1913 # define LDBL_DIG 33 /* assume IEEE */ 1914 # else 1915 # if LONG_DOUBLESIZE == DOUBLESIZE 1916 # define LDBL_DIG DBL_DIG /* bummer */ 1917 # endif 1918 # endif 1919 # endif 1920 # endif 1921 # endif 1922 #endif 1923 1924 /* 1925 * This is for making sure we have a good DBL_MAX value, if possible, 1926 * either for usage as NV_MAX or for usage in figuring out if we can 1927 * fit a given long double into a double, if bug-fixing makes it 1928 * necessary to do so. - Allen <allens@cpan.org> 1929 */ 1930 1931 #ifdef I_LIMITS 1932 # include <limits.h> 1933 #endif 1934 1935 #ifdef I_VALUES 1936 # if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS)) 1937 # include <values.h> 1938 # if defined(MAXDOUBLE) && !defined(DBL_MAX) 1939 # define DBL_MAX MAXDOUBLE 1940 # endif 1941 # if defined(MINDOUBLE) && !defined(DBL_MIN) 1942 # define DBL_MIN MINDOUBLE 1943 # endif 1944 # endif 1945 #endif /* defined(I_VALUES) */ 1946 1947 typedef NVTYPE NV; 1948 1949 #ifdef I_IEEEFP 1950 # include <ieeefp.h> 1951 #endif 1952 1953 #ifdef USE_LONG_DOUBLE 1954 # ifdef I_SUNMATH 1955 # include <sunmath.h> 1956 # endif 1957 # define NV_DIG LDBL_DIG 1958 # ifdef LDBL_MANT_DIG 1959 # define NV_MANT_DIG LDBL_MANT_DIG 1960 # endif 1961 # ifdef LDBL_MIN 1962 # define NV_MIN LDBL_MIN 1963 # endif 1964 # ifdef LDBL_MAX 1965 # define NV_MAX LDBL_MAX 1966 # endif 1967 # ifdef LDBL_MIN_10_EXP 1968 # define NV_MIN_10_EXP LDBL_MIN_10_EXP 1969 # endif 1970 # ifdef LDBL_MAX_10_EXP 1971 # define NV_MAX_10_EXP LDBL_MAX_10_EXP 1972 # endif 1973 # ifdef LDBL_EPSILON 1974 # define NV_EPSILON LDBL_EPSILON 1975 # endif 1976 # ifdef LDBL_MAX 1977 # define NV_MAX LDBL_MAX 1978 /* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */ 1979 # else 1980 # ifdef HUGE_VALL 1981 # define NV_MAX HUGE_VALL 1982 # else 1983 # ifdef HUGE_VAL 1984 # define NV_MAX ((NV)HUGE_VAL) 1985 # endif 1986 # endif 1987 # endif 1988 # ifdef HAS_SQRTL 1989 # define Perl_cos cosl 1990 # define Perl_sin sinl 1991 # define Perl_sqrt sqrtl 1992 # define Perl_exp expl 1993 # define Perl_log logl 1994 # define Perl_atan2 atan2l 1995 # define Perl_pow powl 1996 # define Perl_floor floorl 1997 # define Perl_ceil ceill 1998 # define Perl_fmod fmodl 1999 # endif 2000 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */ 2001 # ifdef HAS_MODFL 2002 # define Perl_modf(x,y) modfl(x,y) 2003 /* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no 2004 prototype in <math.h> */ 2005 # ifndef HAS_MODFL_PROTO 2006 EXTERN_C long double modfl(long double, long double *); 2007 # endif 2008 # else 2009 # if defined(HAS_AINTL) && defined(HAS_COPYSIGNL) 2010 extern long double Perl_my_modfl(long double x, long double *ip); 2011 # define Perl_modf(x,y) Perl_my_modfl(x,y) 2012 # endif 2013 # endif 2014 # ifdef HAS_FREXPL 2015 # define Perl_frexp(x,y) frexpl(x,y) 2016 # else 2017 # if defined(HAS_ILOGBL) && defined(HAS_SCALBNL) 2018 extern long double Perl_my_frexpl(long double x, int *e); 2019 # define Perl_frexp(x,y) Perl_my_frexpl(x,y) 2020 # endif 2021 # endif 2022 # ifndef Perl_isnan 2023 # ifdef HAS_ISNANL 2024 # define Perl_isnan(x) isnanl(x) 2025 # endif 2026 # endif 2027 # ifndef Perl_isinf 2028 # ifdef HAS_FINITEL 2029 # define Perl_isinf(x) !(finitel(x)||Perl_isnan(x)) 2030 # endif 2031 # endif 2032 #else 2033 # define NV_DIG DBL_DIG 2034 # ifdef DBL_MANT_DIG 2035 # define NV_MANT_DIG DBL_MANT_DIG 2036 # endif 2037 # ifdef DBL_MIN 2038 # define NV_MIN DBL_MIN 2039 # endif 2040 # ifdef DBL_MAX 2041 # define NV_MAX DBL_MAX 2042 # endif 2043 # ifdef DBL_MIN_10_EXP 2044 # define NV_MIN_10_EXP DBL_MIN_10_EXP 2045 # endif 2046 # ifdef DBL_MAX_10_EXP 2047 # define NV_MAX_10_EXP DBL_MAX_10_EXP 2048 # endif 2049 # ifdef DBL_EPSILON 2050 # define NV_EPSILON DBL_EPSILON 2051 # endif 2052 # ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */ 2053 # define NV_MAX DBL_MAX 2054 # define NV_MIN DBL_MIN 2055 # else 2056 # ifdef HUGE_VAL 2057 # define NV_MAX HUGE_VAL 2058 # endif 2059 # endif 2060 # define Perl_cos cos 2061 # define Perl_sin sin 2062 # define Perl_sqrt sqrt 2063 # define Perl_exp exp 2064 # define Perl_log log 2065 # define Perl_atan2 atan2 2066 # define Perl_pow pow 2067 # define Perl_floor floor 2068 # define Perl_ceil ceil 2069 # define Perl_fmod fmod 2070 # define Perl_modf(x,y) modf(x,y) 2071 # define Perl_frexp(x,y) frexp(x,y) 2072 #endif 2073 2074 /* rumor has it that Win32 has _fpclass() */ 2075 2076 /* SGI has fpclassl... but not with the same result values, 2077 * and it's via a typedef (not via #define), so will need to redo Configure 2078 * to use. Not worth the trouble, IMO, at least until the below is used 2079 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check 2080 * with me for the SGI manpages, SGI testing, etcetera, if you want to 2081 * try getting this to work with IRIX. - Allen <allens@cpan.org> */ 2082 2083 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL)) 2084 # ifdef I_IEEFP 2085 # include <ieeefp.h> 2086 # endif 2087 # ifdef I_FP 2088 # include <fp.h> 2089 # endif 2090 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL) 2091 # define Perl_fp_class() fpclassl(x) 2092 # else 2093 # define Perl_fp_class() fpclass(x) 2094 # endif 2095 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN) 2096 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN) 2097 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN) 2098 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF) 2099 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF) 2100 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF) 2101 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM) 2102 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM) 2103 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM) 2104 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM) 2105 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM) 2106 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM) 2107 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO) 2108 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO) 2109 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO) 2110 #endif 2111 2112 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO) 2113 # include <math.h> 2114 # if !defined(FP_SNAN) && defined(I_FP_CLASS) 2115 # include <fp_class.h> 2116 # endif 2117 # define Perl_fp_class(x) fp_class(x) 2118 # define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN) 2119 # define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN) 2120 # define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN) 2121 # define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF) 2122 # define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF) 2123 # define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF) 2124 # define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM) 2125 # define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM) 2126 # define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM) 2127 # define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM) 2128 # define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM) 2129 # define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM) 2130 # define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO) 2131 # define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO) 2132 # define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO) 2133 #endif 2134 2135 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY) 2136 # include <math.h> 2137 # define Perl_fp_class(x) fpclassify(x) 2138 # define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN) 2139 # define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE) 2140 # define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL) 2141 # define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL) 2142 # define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO) 2143 #endif 2144 2145 #if !defined(Perl_fp_class) && defined(HAS_CLASS) 2146 # include <math.h> 2147 # ifndef _cplusplus 2148 # define Perl_fp_class(x) class(x) 2149 # else 2150 # define Perl_fp_class(x) _class(x) 2151 # endif 2152 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS) 2153 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ) 2154 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN) 2155 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF) 2156 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF) 2157 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF) 2158 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM) 2159 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM) 2160 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM) 2161 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM) 2162 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM) 2163 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM) 2164 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO) 2165 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO) 2166 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO) 2167 #endif 2168 2169 /* rumor has it that Win32 has _isnan() */ 2170 2171 #ifndef Perl_isnan 2172 # ifdef HAS_ISNAN 2173 # define Perl_isnan(x) isnan((NV)x) 2174 # else 2175 # ifdef Perl_fp_class_nan 2176 # define Perl_isnan(x) Perl_fp_class_nan(x) 2177 # else 2178 # ifdef HAS_UNORDERED 2179 # define Perl_isnan(x) unordered((x), 0.0) 2180 # else 2181 # define Perl_isnan(x) ((x)!=(x)) 2182 # endif 2183 # endif 2184 # endif 2185 #endif 2186 2187 #ifdef UNDER_CE 2188 int isnan(double d); 2189 #endif 2190 2191 #ifndef Perl_isinf 2192 # ifdef HAS_ISINF 2193 # define Perl_isinf(x) isinf((NV)x) 2194 # else 2195 # ifdef Perl_fp_class_inf 2196 # define Perl_isinf(x) Perl_fp_class_inf(x) 2197 # else 2198 # define Perl_isinf(x) ((x)==NV_INF) 2199 # endif 2200 # endif 2201 #endif 2202 2203 #ifndef Perl_isfinite 2204 # ifdef HAS_FINITE 2205 # define Perl_isfinite(x) finite((NV)x) 2206 # else 2207 # ifdef HAS_ISFINITE 2208 # define Perl_isfinite(x) isfinite(x) 2209 # else 2210 # ifdef Perl_fp_class_finite 2211 # define Perl_isfinite(x) Perl_fp_class_finite(x) 2212 # else 2213 # define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x)) 2214 # endif 2215 # endif 2216 # endif 2217 #endif 2218 2219 /* The default is to use Perl's own atof() implementation (in numeric.c). 2220 * Usually that is the one to use but for some platforms (e.g. UNICOS) 2221 * it is however best to use the native implementation of atof. 2222 * You can experiment with using your native one by -DUSE_PERL_ATOF=0. 2223 * Some good tests to try out with either setting are t/base/num.t, 2224 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles 2225 * you may need to be using a different function than atof! */ 2226 2227 #ifndef USE_PERL_ATOF 2228 # ifndef _UNICOS 2229 # define USE_PERL_ATOF 2230 # endif 2231 #else 2232 # if USE_PERL_ATOF == 0 2233 # undef USE_PERL_ATOF 2234 # endif 2235 #endif 2236 2237 #ifdef USE_PERL_ATOF 2238 # define Perl_atof(s) Perl_my_atof(s) 2239 # define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n)) 2240 #else 2241 # define Perl_atof(s) (NV)atof(s) 2242 # define Perl_atof2(s, n) ((n) = atof(s)) 2243 #endif 2244 2245 /* Previously these definitions used hardcoded figures. 2246 * It is hoped these formula are more portable, although 2247 * no data one way or another is presently known to me. 2248 * The "PERL_" names are used because these calculated constants 2249 * do not meet the ANSI requirements for LONG_MAX, etc., which 2250 * need to be constants acceptable to #if - kja 2251 * define PERL_LONG_MAX 2147483647L 2252 * define PERL_LONG_MIN (-LONG_MAX - 1) 2253 * define PERL ULONG_MAX 4294967295L 2254 */ 2255 2256 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */ 2257 # include <limits.h> 2258 #endif 2259 /* Included values.h above if necessary; still including limits.h down here, 2260 * despite doing above, because math.h might have overridden... XXX - Allen */ 2261 2262 /* 2263 * Try to figure out max and min values for the integral types. THE CORRECT 2264 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The 2265 * following hacks are used if neither limits.h or values.h provide them: 2266 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0 2267 * for types < int: (unsigned TYPE)~(unsigned)0 2268 * The argument to ~ must be unsigned so that later signed->unsigned 2269 * conversion can't modify the value's bit pattern (e.g. -0 -> +0), 2270 * and it must not be smaller than int because ~ does integral promotion. 2271 * <type>_MAX: (<type>) (U<type>_MAX >> 1) 2272 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>. 2273 * The latter is a hack which happens to work on some machines but 2274 * does *not* catch any random system, or things like integer types 2275 * with NaN if that is possible. 2276 * 2277 * All of the types are explicitly cast to prevent accidental loss of 2278 * numeric range, and in the hope that they will be less likely to confuse 2279 * over-eager optimizers. 2280 * 2281 */ 2282 2283 #define PERL_UCHAR_MIN ((unsigned char)0) 2284 2285 #ifdef UCHAR_MAX 2286 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX) 2287 #else 2288 # ifdef MAXUCHAR 2289 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR) 2290 # else 2291 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0) 2292 # endif 2293 #endif 2294 2295 /* 2296 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be 2297 * ambiguous. It may be equivalent to (signed char) or (unsigned char) 2298 * depending on local options. Until Configure detects this (or at least 2299 * detects whether the "signed" keyword is available) the CHAR ranges 2300 * will not be included. UCHAR functions normally. 2301 * - kja 2302 */ 2303 2304 #define PERL_USHORT_MIN ((unsigned short)0) 2305 2306 #ifdef USHORT_MAX 2307 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX) 2308 #else 2309 # ifdef MAXUSHORT 2310 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT) 2311 # else 2312 # ifdef USHRT_MAX 2313 # define PERL_USHORT_MAX ((unsigned short)USHRT_MAX) 2314 # else 2315 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0) 2316 # endif 2317 # endif 2318 #endif 2319 2320 #ifdef SHORT_MAX 2321 # define PERL_SHORT_MAX ((short)SHORT_MAX) 2322 #else 2323 # ifdef MAXSHORT /* Often used in <values.h> */ 2324 # define PERL_SHORT_MAX ((short)MAXSHORT) 2325 # else 2326 # ifdef SHRT_MAX 2327 # define PERL_SHORT_MAX ((short)SHRT_MAX) 2328 # else 2329 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1)) 2330 # endif 2331 # endif 2332 #endif 2333 2334 #ifdef SHORT_MIN 2335 # define PERL_SHORT_MIN ((short)SHORT_MIN) 2336 #else 2337 # ifdef MINSHORT 2338 # define PERL_SHORT_MIN ((short)MINSHORT) 2339 # else 2340 # ifdef SHRT_MIN 2341 # define PERL_SHORT_MIN ((short)SHRT_MIN) 2342 # else 2343 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3)) 2344 # endif 2345 # endif 2346 #endif 2347 2348 #ifdef UINT_MAX 2349 # define PERL_UINT_MAX ((unsigned int)UINT_MAX) 2350 #else 2351 # ifdef MAXUINT 2352 # define PERL_UINT_MAX ((unsigned int)MAXUINT) 2353 # else 2354 # define PERL_UINT_MAX (~(unsigned int)0) 2355 # endif 2356 #endif 2357 2358 #define PERL_UINT_MIN ((unsigned int)0) 2359 2360 #ifdef INT_MAX 2361 # define PERL_INT_MAX ((int)INT_MAX) 2362 #else 2363 # ifdef MAXINT /* Often used in <values.h> */ 2364 # define PERL_INT_MAX ((int)MAXINT) 2365 # else 2366 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1)) 2367 # endif 2368 #endif 2369 2370 #ifdef INT_MIN 2371 # define PERL_INT_MIN ((int)INT_MIN) 2372 #else 2373 # ifdef MININT 2374 # define PERL_INT_MIN ((int)MININT) 2375 # else 2376 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3)) 2377 # endif 2378 #endif 2379 2380 #ifdef ULONG_MAX 2381 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX) 2382 #else 2383 # ifdef MAXULONG 2384 # define PERL_ULONG_MAX ((unsigned long)MAXULONG) 2385 # else 2386 # define PERL_ULONG_MAX (~(unsigned long)0) 2387 # endif 2388 #endif 2389 2390 #define PERL_ULONG_MIN ((unsigned long)0L) 2391 2392 #ifdef LONG_MAX 2393 # define PERL_LONG_MAX ((long)LONG_MAX) 2394 #else 2395 # ifdef MAXLONG /* Often used in <values.h> */ 2396 # define PERL_LONG_MAX ((long)MAXLONG) 2397 # else 2398 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1)) 2399 # endif 2400 #endif 2401 2402 #ifdef LONG_MIN 2403 # define PERL_LONG_MIN ((long)LONG_MIN) 2404 #else 2405 # ifdef MINLONG 2406 # define PERL_LONG_MIN ((long)MINLONG) 2407 # else 2408 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3)) 2409 # endif 2410 #endif 2411 2412 #ifdef UV_IS_QUAD 2413 2414 # define PERL_UQUAD_MAX (~(UV)0) 2415 # define PERL_UQUAD_MIN ((UV)0) 2416 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1)) 2417 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3)) 2418 2419 #endif 2420 2421 struct RExC_state_t; 2422 struct _reg_trie_data; 2423 2424 typedef MEM_SIZE STRLEN; 2425 2426 #ifdef PERL_MAD 2427 typedef struct token TOKEN; 2428 typedef struct madprop MADPROP; 2429 typedef struct nexttoken NEXTTOKE; 2430 #endif 2431 typedef struct op OP; 2432 typedef struct cop COP; 2433 typedef struct unop UNOP; 2434 typedef struct binop BINOP; 2435 typedef struct listop LISTOP; 2436 typedef struct logop LOGOP; 2437 typedef struct pmop PMOP; 2438 typedef struct svop SVOP; 2439 typedef struct padop PADOP; 2440 typedef struct pvop PVOP; 2441 typedef struct loop LOOP; 2442 2443 #ifdef PERL_CORE 2444 typedef struct opslab OPSLAB; 2445 typedef struct opslot OPSLOT; 2446 #endif 2447 2448 typedef struct block_hooks BHK; 2449 typedef struct custom_op XOP; 2450 2451 typedef struct interpreter PerlInterpreter; 2452 2453 /* SGI's <sys/sema.h> has struct sv */ 2454 #if defined(__sgi) 2455 # define STRUCT_SV perl_sv 2456 #else 2457 # define STRUCT_SV sv 2458 #endif 2459 typedef struct STRUCT_SV SV; 2460 typedef struct av AV; 2461 typedef struct hv HV; 2462 typedef struct cv CV; 2463 typedef struct p5rx REGEXP; 2464 typedef struct gp GP; 2465 typedef struct gv GV; 2466 typedef struct io IO; 2467 typedef struct context PERL_CONTEXT; 2468 typedef struct block BLOCK; 2469 2470 typedef struct magic MAGIC; 2471 typedef struct xpv XPV; 2472 typedef struct xpviv XPVIV; 2473 typedef struct xpvuv XPVUV; 2474 typedef struct xpvnv XPVNV; 2475 typedef struct xpvmg XPVMG; 2476 typedef struct xpvlv XPVLV; 2477 typedef struct xpvav XPVAV; 2478 typedef struct xpvhv XPVHV; 2479 typedef struct xpvgv XPVGV; 2480 typedef struct xpvcv XPVCV; 2481 typedef struct xpvbm XPVBM; 2482 typedef struct xpvfm XPVFM; 2483 typedef struct xpvio XPVIO; 2484 typedef struct mgvtbl MGVTBL; 2485 typedef union any ANY; 2486 typedef struct ptr_tbl_ent PTR_TBL_ENT_t; 2487 typedef struct ptr_tbl PTR_TBL_t; 2488 typedef struct clone_params CLONE_PARAMS; 2489 2490 /* a pad or name pad is currently just an AV; but that might change, 2491 * so hide the type. */ 2492 typedef struct padlist PADLIST; 2493 typedef AV PAD; 2494 typedef AV PADNAMELIST; 2495 typedef SV PADNAME; 2496 2497 /* XXX for 5.18, disable the COW by default 2498 * #if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW) 2499 * # define PERL_NEW_COPY_ON_WRITE 2500 * #endif 2501 */ 2502 2503 #if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE) 2504 # if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE) 2505 # error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive 2506 # else 2507 # define PERL_ANY_COW 2508 # endif 2509 #else 2510 # define PERL_SAWAMPERSAND 2511 #endif 2512 2513 #include "handy.h" 2514 2515 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO) 2516 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO) 2517 # define USE_64_BIT_RAWIO /* implicit */ 2518 # endif 2519 #endif 2520 2521 /* Notice the use of HAS_FSEEKO: now we are obligated to always use 2522 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself, 2523 * however, because operating systems like to do that themself. */ 2524 #ifndef FSEEKSIZE 2525 # ifdef HAS_FSEEKO 2526 # define FSEEKSIZE LSEEKSIZE 2527 # else 2528 # define FSEEKSIZE LONGSIZE 2529 # endif 2530 #endif 2531 2532 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO) 2533 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO) 2534 # define USE_64_BIT_STDIO /* implicit */ 2535 # endif 2536 #endif 2537 2538 #ifdef USE_64_BIT_RAWIO 2539 # ifdef HAS_OFF64_T 2540 # undef Off_t 2541 # define Off_t off64_t 2542 # undef LSEEKSIZE 2543 # define LSEEKSIZE 8 2544 # endif 2545 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that 2546 * will trigger defines like the ones below. Some 64-bit environments, 2547 * however, do not. Therefore we have to explicitly mix and match. */ 2548 # if defined(USE_OPEN64) 2549 # define open open64 2550 # endif 2551 # if defined(USE_LSEEK64) 2552 # define lseek lseek64 2553 # else 2554 # if defined(USE_LLSEEK) 2555 # define lseek llseek 2556 # endif 2557 # endif 2558 # if defined(USE_STAT64) 2559 # define stat stat64 2560 # endif 2561 # if defined(USE_FSTAT64) 2562 # define fstat fstat64 2563 # endif 2564 # if defined(USE_LSTAT64) 2565 # define lstat lstat64 2566 # endif 2567 # if defined(USE_FLOCK64) 2568 # define flock flock64 2569 # endif 2570 # if defined(USE_LOCKF64) 2571 # define lockf lockf64 2572 # endif 2573 # if defined(USE_FCNTL64) 2574 # define fcntl fcntl64 2575 # endif 2576 # if defined(USE_TRUNCATE64) 2577 # define truncate truncate64 2578 # endif 2579 # if defined(USE_FTRUNCATE64) 2580 # define ftruncate ftruncate64 2581 # endif 2582 #endif 2583 2584 #ifdef USE_64_BIT_STDIO 2585 # ifdef HAS_FPOS64_T 2586 # undef Fpos_t 2587 # define Fpos_t fpos64_t 2588 # endif 2589 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that 2590 * will trigger defines like the ones below. Some 64-bit environments, 2591 * however, do not. */ 2592 # if defined(USE_FOPEN64) 2593 # define fopen fopen64 2594 # endif 2595 # if defined(USE_FSEEK64) 2596 # define fseek fseek64 /* don't do fseeko here, see perlio.c */ 2597 # endif 2598 # if defined(USE_FTELL64) 2599 # define ftell ftell64 /* don't do ftello here, see perlio.c */ 2600 # endif 2601 # if defined(USE_FSETPOS64) 2602 # define fsetpos fsetpos64 2603 # endif 2604 # if defined(USE_FGETPOS64) 2605 # define fgetpos fgetpos64 2606 # endif 2607 # if defined(USE_TMPFILE64) 2608 # define tmpfile tmpfile64 2609 # endif 2610 # if defined(USE_FREOPEN64) 2611 # define freopen freopen64 2612 # endif 2613 #endif 2614 2615 #if defined(OS2) 2616 # include "iperlsys.h" 2617 #endif 2618 2619 #ifdef DOSISH 2620 # if defined(OS2) 2621 # include "os2ish.h" 2622 # else 2623 # include "dosish.h" 2624 # endif 2625 # define ISHISH "dos" 2626 #endif 2627 2628 #if defined(VMS) 2629 # include "vmsish.h" 2630 # define ISHISH "vms" 2631 #endif 2632 2633 #if defined(PLAN9) 2634 # include "./plan9/plan9ish.h" 2635 # define ISHISH "plan9" 2636 #endif 2637 2638 #if defined(__VOS__) 2639 # ifdef __GNUC__ 2640 # include "./vos/vosish.h" 2641 # else 2642 # include "vos/vosish.h" 2643 # endif 2644 # define ISHISH "vos" 2645 #endif 2646 2647 #ifdef __SYMBIAN32__ 2648 # include "symbian/symbianish.h" 2649 # define ISHISH "symbian" 2650 #endif 2651 2652 2653 #if defined(__HAIKU__) 2654 # include "haiku/haikuish.h" 2655 # define ISHISH "haiku" 2656 #endif 2657 2658 #ifndef ISHISH 2659 # include "unixish.h" 2660 # define ISHISH "unix" 2661 #endif 2662 2663 /* NSIG logic from Configure --> */ 2664 /* Strange style to avoid deeply-nested #if/#else/#endif */ 2665 #ifndef NSIG 2666 # ifdef _NSIG 2667 # define NSIG (_NSIG) 2668 # endif 2669 #endif 2670 2671 #ifndef NSIG 2672 # ifdef SIGMAX 2673 # define NSIG (SIGMAX+1) 2674 # endif 2675 #endif 2676 2677 #ifndef NSIG 2678 # ifdef SIG_MAX 2679 # define NSIG (SIG_MAX+1) 2680 # endif 2681 #endif 2682 2683 #ifndef NSIG 2684 # ifdef _SIG_MAX 2685 # define NSIG (_SIG_MAX+1) 2686 # endif 2687 #endif 2688 2689 #ifndef NSIG 2690 # ifdef MAXSIG 2691 # define NSIG (MAXSIG+1) 2692 # endif 2693 #endif 2694 2695 #ifndef NSIG 2696 # ifdef MAX_SIG 2697 # define NSIG (MAX_SIG+1) 2698 # endif 2699 #endif 2700 2701 #ifndef NSIG 2702 # ifdef SIGARRAYSIZE 2703 # define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ 2704 # endif 2705 #endif 2706 2707 #ifndef NSIG 2708 # ifdef _sys_nsig 2709 # define NSIG (_sys_nsig) /* Solaris 2.5 */ 2710 # endif 2711 #endif 2712 2713 /* Default to some arbitrary number that's big enough to get most 2714 of the common signals. 2715 */ 2716 #ifndef NSIG 2717 # define NSIG 50 2718 #endif 2719 /* <-- NSIG logic from Configure */ 2720 2721 #ifndef NO_ENVIRON_ARRAY 2722 # define USE_ENVIRON_ARRAY 2723 #endif 2724 2725 /* 2726 * initialise to avoid floating-point exceptions from overflow, etc 2727 */ 2728 #ifndef PERL_FPU_INIT 2729 # ifdef HAS_FPSETMASK 2730 # if HAS_FLOATINGPOINT_H 2731 # include <floatingpoint.h> 2732 # endif 2733 /* Some operating systems have this as a macro, which in turn expands to a comma 2734 expression, and the last sub-expression is something that gets calculated, 2735 and then they have the gall to warn that a value computed is not used. Hence 2736 cast to void. */ 2737 # define PERL_FPU_INIT (void)fpsetmask(0) 2738 # else 2739 # if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO) 2740 # define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN) 2741 # define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe); 2742 # define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); } 2743 # else 2744 # define PERL_FPU_INIT 2745 2746 # endif 2747 # endif 2748 #endif 2749 #ifndef PERL_FPU_PRE_EXEC 2750 # define PERL_FPU_PRE_EXEC { 2751 # define PERL_FPU_POST_EXEC } 2752 #endif 2753 2754 #ifndef PERL_SYS_INIT3_BODY 2755 # define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp) 2756 #endif 2757 2758 /* 2759 =for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv 2760 Provides system-specific tune up of the C runtime environment necessary to 2761 run Perl interpreters. This should be called only once, before creating 2762 any Perl interpreters. 2763 2764 =for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env 2765 Provides system-specific tune up of the C runtime environment necessary to 2766 run Perl interpreters. This should be called only once, before creating 2767 any Perl interpreters. 2768 2769 =for apidoc Am|void|PERL_SYS_TERM| 2770 Provides system-specific clean up of the C runtime environment after 2771 running Perl interpreters. This should be called only once, after 2772 freeing any remaining Perl interpreters. 2773 2774 =cut 2775 */ 2776 2777 #define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv) 2778 #define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env) 2779 #define PERL_SYS_TERM() Perl_sys_term() 2780 2781 #ifndef PERL_WRITE_MSG_TO_CONSOLE 2782 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len) 2783 #endif 2784 2785 #ifndef MAXPATHLEN 2786 # ifdef PATH_MAX 2787 # ifdef _POSIX_PATH_MAX 2788 # if PATH_MAX > _POSIX_PATH_MAX 2789 /* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX 2790 * included the null byte or not. Later amendments of POSIX, 2791 * XPG4, the Austin Group, and the Single UNIX Specification 2792 * all explicitly include the null byte in the PATH_MAX. 2793 * Ditto for _POSIX_PATH_MAX. */ 2794 # define MAXPATHLEN PATH_MAX 2795 # else 2796 # define MAXPATHLEN _POSIX_PATH_MAX 2797 # endif 2798 # else 2799 # define MAXPATHLEN (PATH_MAX+1) 2800 # endif 2801 # else 2802 # define MAXPATHLEN 1024 /* Err on the large side. */ 2803 # endif 2804 #endif 2805 2806 /* In case Configure was not used (we are using a "canned config" 2807 * such as Win32, or a cross-compilation setup, for example) try going 2808 * by the gcc major and minor versions. One useful URL is 2809 * http://www.ohse.de/uwe/articles/gcc-attributes.html, 2810 * but contrary to this information warn_unused_result seems 2811 * not to be in gcc 3.3.5, at least. --jhi 2812 * Also, when building extensions with an installed perl, this allows 2813 * the user to upgrade gcc and get the right attributes, rather than 2814 * relying on the list generated at Configure time. --AD 2815 * Set these up now otherwise we get confused when some of the <*thread.h> 2816 * includes below indirectly pull in <perlio.h> (which needs to know if we 2817 * have HASATTRIBUTE_FORMAT). 2818 */ 2819 2820 #ifndef PERL_MICRO 2821 #if defined __GNUC__ && !defined(__INTEL_COMPILER) 2822 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */ 2823 # define HASATTRIBUTE_DEPRECATED 2824 # endif 2825 # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */ 2826 # define HASATTRIBUTE_FORMAT 2827 # if defined __MINGW32__ 2828 # define PRINTF_FORMAT_NULL_OK 2829 # endif 2830 # endif 2831 # if __GNUC__ >= 3 /* 3.0 -> */ 2832 # define HASATTRIBUTE_MALLOC 2833 # endif 2834 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */ 2835 # define HASATTRIBUTE_NONNULL 2836 # endif 2837 # if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */ 2838 # define HASATTRIBUTE_NORETURN 2839 # endif 2840 # if __GNUC__ >= 3 /* gcc 3.0 -> */ 2841 # define HASATTRIBUTE_PURE 2842 # endif 2843 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */ 2844 # define HASATTRIBUTE_UNUSED 2845 # endif 2846 # if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus) 2847 # define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */ 2848 # endif 2849 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */ 2850 # define HASATTRIBUTE_WARN_UNUSED_RESULT 2851 # endif 2852 #endif 2853 #endif /* #ifndef PERL_MICRO */ 2854 2855 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes 2856 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h> 2857 * this results in many functions being undeclared which bothers C++ 2858 * May make sense to have threads after "*ish.h" anyway 2859 */ 2860 2861 #if defined(USE_ITHREADS) 2862 # ifdef NETWARE 2863 # include <nw5thread.h> 2864 # else 2865 # ifdef FAKE_THREADS 2866 # include "fakethr.h" 2867 # else 2868 # ifdef WIN32 2869 # include <win32thread.h> 2870 # else 2871 # ifdef OS2 2872 # include "os2thread.h" 2873 # else 2874 # ifdef I_MACH_CTHREADS 2875 # include <mach/cthreads.h> 2876 # if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC) 2877 # define MUTEX_INIT_CALLS_MALLOC 2878 # endif 2879 typedef cthread_t perl_os_thread; 2880 typedef mutex_t perl_mutex; 2881 typedef condition_t perl_cond; 2882 typedef void * perl_key; 2883 # else /* Posix threads */ 2884 # ifdef I_PTHREAD 2885 # include <pthread.h> 2886 # endif 2887 typedef pthread_t perl_os_thread; 2888 typedef pthread_mutex_t perl_mutex; 2889 typedef pthread_cond_t perl_cond; 2890 typedef pthread_key_t perl_key; 2891 # endif /* I_MACH_CTHREADS */ 2892 # endif /* OS2 */ 2893 # endif /* WIN32 */ 2894 # endif /* FAKE_THREADS */ 2895 #endif /* NETWARE */ 2896 #endif /* USE_ITHREADS */ 2897 2898 #if defined(WIN32) 2899 # include "win32.h" 2900 #endif 2901 2902 #ifdef NETWARE 2903 # include "netware.h" 2904 #endif 2905 2906 #define STATUS_UNIX PL_statusvalue 2907 #ifdef VMS 2908 # define STATUS_NATIVE PL_statusvalue_vms 2909 /* 2910 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise 2911 * its contents can not be trusted. Unfortunately, Perl seems to check 2912 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should 2913 * be updated also. 2914 */ 2915 # include <stsdef.h> 2916 # include <ssdef.h> 2917 /* Presume this because if VMS changes it, it will require a new 2918 * set of APIs for waiting on children for binary compatibility. 2919 */ 2920 # define child_offset_bits (8) 2921 # ifndef C_FAC_POSIX 2922 # define C_FAC_POSIX 0x35A000 2923 # endif 2924 2925 /* STATUS_EXIT - validates and returns a NATIVE exit status code for the 2926 * platform from the existing UNIX or Native status values. 2927 */ 2928 2929 # define STATUS_EXIT \ 2930 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \ 2931 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0)) 2932 2933 2934 /* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child 2935 * exit code and shifts the UNIX value over the correct number of bits to 2936 * be a child status. Usually the number of bits is 8, but that could be 2937 * platform dependent. The NATIVE status code is presumed to have either 2938 * from a child process. 2939 */ 2940 2941 /* This is complicated. The child processes return a true native VMS 2942 status which must be saved. But there is an assumption in Perl that 2943 the UNIX child status has some relationship to errno values, so 2944 Perl tries to translate it to text in some of the tests. 2945 In order to get the string translation correct, for the error, errno 2946 must be EVMSERR, but that generates a different text message 2947 than what the test programs are expecting. So an errno value must 2948 be derived from the native status value when an error occurs. 2949 That will hide the true native status message. With this version of 2950 perl, the true native child status can always be retrieved so that 2951 is not a problem. But in this case, Pl_statusvalue and errno may 2952 have different values in them. 2953 */ 2954 2955 # define STATUS_NATIVE_CHILD_SET(n) \ 2956 STMT_START { \ 2957 I32 evalue = (I32)n; \ 2958 if (evalue == EVMSERR) { \ 2959 PL_statusvalue_vms = vaxc$errno; \ 2960 PL_statusvalue = evalue; \ 2961 } else { \ 2962 PL_statusvalue_vms = evalue; \ 2963 if (evalue == -1) { \ 2964 PL_statusvalue = -1; \ 2965 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \ 2966 } else \ 2967 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \ 2968 set_vaxc_errno(evalue); \ 2969 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \ 2970 set_errno(EVMSERR); \ 2971 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \ 2972 PL_statusvalue = PL_statusvalue << child_offset_bits; \ 2973 } \ 2974 } STMT_END 2975 2976 # ifdef VMSISH_STATUS 2977 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX) 2978 # else 2979 # define STATUS_CURRENT STATUS_UNIX 2980 # endif 2981 2982 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update 2983 * the NATIVE status to an equivalent value. Can not be used to translate 2984 * exit code values as exit code values are not guaranteed to have any 2985 * relationship at all to errno values. 2986 * This is used when Perl is forcing errno to have a specific value. 2987 */ 2988 # define STATUS_UNIX_SET(n) \ 2989 STMT_START { \ 2990 I32 evalue = (I32)n; \ 2991 PL_statusvalue = evalue; \ 2992 if (PL_statusvalue != -1) { \ 2993 if (PL_statusvalue != EVMSERR) { \ 2994 PL_statusvalue &= 0xFFFF; \ 2995 if (MY_POSIX_EXIT) \ 2996 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\ 2997 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \ 2998 } \ 2999 else { \ 3000 PL_statusvalue_vms = vaxc$errno; \ 3001 } \ 3002 } \ 3003 else PL_statusvalue_vms = SS$_ABORT; \ 3004 set_vaxc_errno(PL_statusvalue_vms); \ 3005 } STMT_END 3006 3007 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets 3008 * the NATIVE error status based on it. 3009 * 3010 * When in the default mode to comply with the Perl VMS documentation, 3011 * 0 is a success and any other code sets the NATIVE status to a failure 3012 * code of SS$_ABORT. 3013 * 3014 * In the new POSIX EXIT mode, native status will be set so that the 3015 * actual exit code will can be retrieved by the calling program or 3016 * shell. 3017 * 3018 * If the exit code is not clearly a UNIX parent or child exit status, 3019 * it will be passed through as a VMS status. 3020 */ 3021 3022 # define STATUS_UNIX_EXIT_SET(n) \ 3023 STMT_START { \ 3024 I32 evalue = (I32)n; \ 3025 PL_statusvalue = evalue; \ 3026 if (MY_POSIX_EXIT) { \ 3027 if (evalue <= 0xFF00) { \ 3028 if (evalue > 0xFF) \ 3029 evalue = (evalue >> child_offset_bits) & 0xFF; \ 3030 PL_statusvalue_vms = \ 3031 (C_FAC_POSIX | (evalue << 3 ) | \ 3032 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \ 3033 } else /* forgive them Perl, for they have sinned */ \ 3034 PL_statusvalue_vms = evalue; \ 3035 } else { \ 3036 if (evalue == 0) \ 3037 PL_statusvalue_vms = SS$_NORMAL; \ 3038 else if (evalue <= 0xFF00) \ 3039 PL_statusvalue_vms = SS$_ABORT; \ 3040 else { /* forgive them Perl, for they have sinned */ \ 3041 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \ 3042 else PL_statusvalue_vms = vaxc$errno; \ 3043 /* And obviously used a VMS status value instead of UNIX */ \ 3044 PL_statusvalue = EVMSERR; \ 3045 } \ 3046 set_vaxc_errno(PL_statusvalue_vms); \ 3047 } \ 3048 } STMT_END 3049 3050 3051 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code 3052 * and sets the NATIVE error status based on it. This special case 3053 * is needed to maintain compatibility with past VMS behavior. 3054 * 3055 * In the default mode on VMS, this number is passed through as 3056 * both the NATIVE and UNIX status. Which makes it different 3057 * that the STATUS_UNIX_EXIT_SET. 3058 * 3059 * In the new POSIX EXIT mode, native status will be set so that the 3060 * actual exit code will can be retrieved by the calling program or 3061 * shell. 3062 * 3063 * A POSIX exit code is from 0 to 255. If the exit code is higher 3064 * than this, it needs to be assumed that it is a VMS exit code and 3065 * passed through. 3066 */ 3067 3068 # define STATUS_EXIT_SET(n) \ 3069 STMT_START { \ 3070 I32 evalue = (I32)n; \ 3071 PL_statusvalue = evalue; \ 3072 if (MY_POSIX_EXIT) \ 3073 if (evalue > 255) PL_statusvalue_vms = evalue; else { \ 3074 PL_statusvalue_vms = \ 3075 (C_FAC_POSIX | (evalue << 3 ) | \ 3076 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \ 3077 else \ 3078 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \ 3079 set_vaxc_errno(PL_statusvalue_vms); \ 3080 } STMT_END 3081 3082 3083 /* This macro forces a success status */ 3084 # define STATUS_ALL_SUCCESS \ 3085 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL) 3086 3087 /* This macro forces a failure status */ 3088 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, \ 3089 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \ 3090 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT) 3091 3092 #else 3093 # define STATUS_NATIVE PL_statusvalue_posix 3094 # if defined(WCOREDUMP) 3095 # define STATUS_NATIVE_CHILD_SET(n) \ 3096 STMT_START { \ 3097 PL_statusvalue_posix = (n); \ 3098 if (PL_statusvalue_posix == -1) \ 3099 PL_statusvalue = -1; \ 3100 else { \ 3101 PL_statusvalue = \ 3102 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \ 3103 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \ 3104 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \ 3105 } \ 3106 } STMT_END 3107 # elif defined(WIFEXITED) 3108 # define STATUS_NATIVE_CHILD_SET(n) \ 3109 STMT_START { \ 3110 PL_statusvalue_posix = (n); \ 3111 if (PL_statusvalue_posix == -1) \ 3112 PL_statusvalue = -1; \ 3113 else { \ 3114 PL_statusvalue = \ 3115 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \ 3116 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \ 3117 } \ 3118 } STMT_END 3119 # else 3120 # define STATUS_NATIVE_CHILD_SET(n) \ 3121 STMT_START { \ 3122 PL_statusvalue_posix = (n); \ 3123 if (PL_statusvalue_posix == -1) \ 3124 PL_statusvalue = -1; \ 3125 else { \ 3126 PL_statusvalue = \ 3127 PL_statusvalue_posix & 0xFFFF; \ 3128 } \ 3129 } STMT_END 3130 # endif 3131 # define STATUS_UNIX_SET(n) \ 3132 STMT_START { \ 3133 PL_statusvalue = (n); \ 3134 if (PL_statusvalue != -1) \ 3135 PL_statusvalue &= 0xFFFF; \ 3136 } STMT_END 3137 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n) 3138 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n) 3139 # define STATUS_CURRENT STATUS_UNIX 3140 # define STATUS_EXIT STATUS_UNIX 3141 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0) 3142 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1) 3143 #endif 3144 3145 /* flags in PL_exit_flags for nature of exit() */ 3146 #define PERL_EXIT_EXPECTED 0x01 3147 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */ 3148 3149 #ifndef PERL_CORE 3150 /* format to use for version numbers in file/directory names */ 3151 /* XXX move to Configure? */ 3152 /* This was only ever used for the current version, and that can be done at 3153 compile time, as PERL_FS_VERSION, so should we just delete it? */ 3154 # ifndef PERL_FS_VER_FMT 3155 # define PERL_FS_VER_FMT "%d.%d.%d" 3156 # endif 3157 #endif 3158 3159 #ifndef PERL_FS_VERSION 3160 # define PERL_FS_VERSION PERL_VERSION_STRING 3161 #endif 3162 3163 /* This defines a way to flush all output buffers. This may be a 3164 * performance issue, so we allow people to disable it. Also, if 3165 * we are using stdio, there are broken implementations of fflush(NULL) 3166 * out there, Solaris being the most prominent. 3167 */ 3168 #ifndef PERL_FLUSHALL_FOR_CHILD 3169 # if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO) 3170 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL) 3171 # else 3172 # ifdef FFLUSH_ALL 3173 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all() 3174 # else 3175 # define PERL_FLUSHALL_FOR_CHILD NOOP 3176 # endif 3177 # endif 3178 #endif 3179 3180 #ifndef PERL_WAIT_FOR_CHILDREN 3181 # define PERL_WAIT_FOR_CHILDREN NOOP 3182 #endif 3183 3184 /* the traditional thread-unsafe notion of "current interpreter". */ 3185 #ifndef PERL_SET_INTERP 3186 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i)) 3187 #endif 3188 3189 #ifndef PERL_GET_INTERP 3190 # define PERL_GET_INTERP (PL_curinterp) 3191 #endif 3192 3193 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX) 3194 # ifdef MULTIPLICITY 3195 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT) 3196 # endif 3197 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t) 3198 #endif 3199 3200 /* 3201 This replaces the previous %_ "hack" by the "%p" hacks. 3202 All that is required is that the perl source does not 3203 use "%-p" or "%-<number>p" or "%<number>p" formats. 3204 These formats will still work in perl code. 3205 See comments in sv.c for further details. 3206 3207 Robin Barker 2005-07-14 3208 3209 No longer use %1p for VDf = %vd. RMB 2007-10-19 3210 */ 3211 3212 #ifndef SVf_ 3213 # define SVf_(n) "-" STRINGIFY(n) "p" 3214 #endif 3215 3216 #ifndef SVf 3217 # define SVf "-p" 3218 #endif 3219 3220 #ifndef SVf32 3221 # define SVf32 SVf_(32) 3222 #endif 3223 3224 #ifndef SVf256 3225 # define SVf256 SVf_(256) 3226 #endif 3227 3228 #define SVfARG(p) ((void*)(p)) 3229 3230 #ifndef HEKf 3231 # define HEKf "2p" 3232 #endif 3233 3234 /* Not ideal, but we cannot easily include a number in an already-numeric 3235 * format sequence. */ 3236 #ifndef HEKf256 3237 # define HEKf256 "3p" 3238 #endif 3239 3240 #define HEKfARG(p) ((void*)(p)) 3241 3242 #ifdef PERL_CORE 3243 /* not used; but needed for backward compatibility with XS code? - RMB */ 3244 # undef VDf 3245 #else 3246 # ifndef VDf 3247 # define VDf "vd" 3248 # endif 3249 #endif 3250 3251 #ifdef PERL_CORE 3252 /* not used; but needed for backward compatibility with XS code? - RMB */ 3253 # undef UVf 3254 #else 3255 # ifndef UVf 3256 # define UVf UVuf 3257 # endif 3258 #endif 3259 3260 #ifdef HASATTRIBUTE_DEPRECATED 3261 # define __attribute__deprecated__ __attribute__((deprecated)) 3262 #endif 3263 #ifdef HASATTRIBUTE_FORMAT 3264 # define __attribute__format__(x,y,z) __attribute__((format(x,y,z))) 3265 #endif 3266 #ifdef HASATTRIBUTE_MALLOC 3267 # define __attribute__malloc__ __attribute__((__malloc__)) 3268 #endif 3269 #ifdef HASATTRIBUTE_NONNULL 3270 # define __attribute__nonnull__(a) __attribute__((nonnull(a))) 3271 #endif 3272 #ifdef HASATTRIBUTE_NORETURN 3273 # define __attribute__noreturn__ __attribute__((noreturn)) 3274 #endif 3275 #ifdef HASATTRIBUTE_PURE 3276 # define __attribute__pure__ __attribute__((pure)) 3277 #endif 3278 #ifdef HASATTRIBUTE_UNUSED 3279 # define __attribute__unused__ __attribute__((unused)) 3280 #endif 3281 #ifdef HASATTRIBUTE_WARN_UNUSED_RESULT 3282 # define __attribute__warn_unused_result__ __attribute__((warn_unused_result)) 3283 #endif 3284 3285 /* If we haven't defined the attributes yet, define them to blank. */ 3286 #ifndef __attribute__deprecated__ 3287 # define __attribute__deprecated__ 3288 #endif 3289 #ifndef __attribute__format__ 3290 # define __attribute__format__(x,y,z) 3291 #endif 3292 #ifndef __attribute__malloc__ 3293 # define __attribute__malloc__ 3294 #endif 3295 #ifndef __attribute__nonnull__ 3296 # define __attribute__nonnull__(a) 3297 #endif 3298 #ifndef __attribute__noreturn__ 3299 # define __attribute__noreturn__ 3300 #endif 3301 #ifndef __attribute__pure__ 3302 # define __attribute__pure__ 3303 #endif 3304 #ifndef __attribute__unused__ 3305 # define __attribute__unused__ 3306 #endif 3307 #ifndef __attribute__warn_unused_result__ 3308 # define __attribute__warn_unused_result__ 3309 #endif 3310 3311 /* For functions that are marked as __attribute__noreturn__, it's not 3312 appropriate to call return. In either case, include the lint directive. 3313 */ 3314 #ifdef HASATTRIBUTE_NORETURN 3315 # define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ 3316 #else 3317 # define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0 3318 #endif 3319 3320 /* Some OS warn on NULL format to printf */ 3321 #ifdef PRINTF_FORMAT_NULL_OK 3322 # define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z) 3323 #else 3324 # define __attribute__format__null_ok__(x,y,z) 3325 #endif 3326 3327 #ifdef HAS_BUILTIN_EXPECT 3328 # define EXPECT(expr,val) __builtin_expect(expr,val) 3329 #else 3330 # define EXPECT(expr,val) (expr) 3331 #endif 3332 #define LIKELY(cond) EXPECT(cond,1) 3333 #define UNLIKELY(cond) EXPECT(cond,0) 3334 #ifdef HAS_BUILTIN_CHOOSE_EXPR 3335 /* placeholder */ 3336 #endif 3337 3338 /* Some unistd.h's give a prototype for pause() even though 3339 HAS_PAUSE ends up undefined. This causes the #define 3340 below to be rejected by the compiler. Sigh. 3341 */ 3342 #ifdef HAS_PAUSE 3343 #define Pause pause 3344 #else 3345 #define Pause() sleep((32767<<16)+32767) 3346 #endif 3347 3348 #ifndef IOCPARM_LEN 3349 # ifdef IOCPARM_MASK 3350 /* on BSDish systems we're safe */ 3351 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK) 3352 # else 3353 # if defined(_IOC_SIZE) && defined(__GLIBC__) 3354 /* on Linux systems we're safe; except when we're not [perl #38223] */ 3355 # define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x)) 3356 # else 3357 /* otherwise guess at what's safe */ 3358 # define IOCPARM_LEN(x) 256 3359 # endif 3360 # endif 3361 #endif 3362 3363 #if defined(__CYGWIN__) 3364 /* USEMYBINMODE 3365 * This symbol, if defined, indicates that the program should 3366 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure 3367 * that a file is in "binary" mode -- that is, that no translation 3368 * of bytes occurs on read or write operations. 3369 */ 3370 # define USEMYBINMODE /**/ 3371 # include <io.h> /* for setmode() prototype */ 3372 # define my_binmode(fp, iotype, mode) \ 3373 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE) 3374 #endif 3375 3376 #ifdef __CYGWIN__ 3377 void init_os_extras(void); 3378 #endif 3379 3380 #ifdef UNION_ANY_DEFINITION 3381 UNION_ANY_DEFINITION; 3382 #else 3383 union any { 3384 void* any_ptr; 3385 I32 any_i32; 3386 IV any_iv; 3387 UV any_uv; 3388 long any_long; 3389 bool any_bool; 3390 void (*any_dptr) (void*); 3391 void (*any_dxptr) (pTHX_ void*); 3392 }; 3393 #endif 3394 3395 typedef I32 (*filter_t) (pTHX_ int, SV *, int); 3396 3397 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len) 3398 #define FILTER_DATA(idx) \ 3399 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL) 3400 #define FILTER_ISREADER(idx) \ 3401 (PL_parser && PL_parser->rsfp_filters \ 3402 && idx >= AvFILLp(PL_parser->rsfp_filters)) 3403 #define PERL_FILTER_EXISTS(i) \ 3404 (PL_parser && PL_parser->rsfp_filters \ 3405 && (i) <= av_len(PL_parser->rsfp_filters)) 3406 3407 #if defined(_AIX) && !defined(_AIX43) 3408 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE) 3409 /* We cannot include <crypt.h> to get the struct crypt_data 3410 * because of setkey prototype problems when threading */ 3411 typedef struct crypt_data { /* straight from /usr/include/crypt.h */ 3412 /* From OSF, Not needed in AIX 3413 char C[28], D[28]; 3414 */ 3415 char E[48]; 3416 char KS[16][48]; 3417 char block[66]; 3418 char iobuf[16]; 3419 } CRYPTD; 3420 #endif /* threading */ 3421 #endif /* AIX */ 3422 3423 #if !defined(OS2) 3424 # include "iperlsys.h" 3425 #endif 3426 3427 #ifdef __LIBCATAMOUNT__ 3428 #undef HAS_PASSWD /* unixish.h but not unixish enough. */ 3429 #undef HAS_GROUP 3430 #define FAKE_BIT_BUCKET 3431 #endif 3432 3433 /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0. 3434 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT* 3435 * defined by Configure, despite their names being similar to the 3436 * other defines like USE_ITHREADS. Configure in fact knows nothing 3437 * about the randomised hashes. Therefore to enable/disable the hash 3438 * randomisation defines use the Configure -Accflags=... instead. */ 3439 #if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT) 3440 # define USE_HASH_SEED 3441 #endif 3442 3443 /* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator 3444 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so 3445 * it's not really needed. 3446 */ 3447 #if defined(WIN32) 3448 # define YYTOKENTYPE 3449 #endif 3450 #include "perly.h" 3451 3452 #ifdef PERL_MAD 3453 struct nexttoken { 3454 YYSTYPE next_val; /* value of next token, if any */ 3455 I32 next_type; /* type of next token */ 3456 MADPROP *next_mad; /* everything else about that token */ 3457 }; 3458 #endif 3459 3460 /* macros to define bit-fields in structs. */ 3461 #ifndef PERL_BITFIELD8 3462 # define PERL_BITFIELD8 unsigned 3463 #endif 3464 #ifndef PERL_BITFIELD16 3465 # define PERL_BITFIELD16 unsigned 3466 #endif 3467 #ifndef PERL_BITFIELD32 3468 # define PERL_BITFIELD32 unsigned 3469 #endif 3470 3471 #include "sv.h" 3472 #include "regexp.h" 3473 #include "util.h" 3474 #include "form.h" 3475 #include "gv.h" 3476 #include "pad.h" 3477 #include "cv.h" 3478 #include "opnames.h" 3479 #include "op.h" 3480 #include "hv.h" 3481 #include "cop.h" 3482 #include "av.h" 3483 #include "mg.h" 3484 #include "scope.h" 3485 #include "warnings.h" 3486 #include "utf8.h" 3487 3488 /* these would be in doio.h if there was such a file */ 3489 #define my_stat() my_stat_flags(SV_GMAGIC) 3490 #define my_lstat() my_lstat_flags(SV_GMAGIC) 3491 3492 /* defined in sv.c, but also used in [ach]v.c */ 3493 #undef _XPV_HEAD 3494 #undef _XPVMG_HEAD 3495 #undef _XPVCV_COMMON 3496 3497 typedef struct _sublex_info SUBLEXINFO; 3498 struct _sublex_info { 3499 U8 super_state; /* lexer state to save */ 3500 U16 sub_inwhat; /* "lex_inwhat" to use */ 3501 OP *sub_op; /* "lex_op" to use */ 3502 SV *repl; /* replacement of s/// or y/// */ 3503 }; 3504 3505 #include "parser.h" 3506 3507 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */ 3508 3509 struct scan_data_t; /* Used in S_* functions in regcomp.c */ 3510 struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */ 3511 3512 struct ptr_tbl_ent { 3513 struct ptr_tbl_ent* next; 3514 const void* oldval; 3515 void* newval; 3516 }; 3517 3518 struct ptr_tbl { 3519 struct ptr_tbl_ent** tbl_ary; 3520 UV tbl_max; 3521 UV tbl_items; 3522 struct ptr_tbl_arena *tbl_arena; 3523 struct ptr_tbl_ent *tbl_arena_next; 3524 struct ptr_tbl_ent *tbl_arena_end; 3525 }; 3526 3527 #if defined(htonl) && !defined(HAS_HTONL) 3528 #define HAS_HTONL 3529 #endif 3530 #if defined(htons) && !defined(HAS_HTONS) 3531 #define HAS_HTONS 3532 #endif 3533 #if defined(ntohl) && !defined(HAS_NTOHL) 3534 #define HAS_NTOHL 3535 #endif 3536 #if defined(ntohs) && !defined(HAS_NTOHS) 3537 #define HAS_NTOHS 3538 #endif 3539 #ifndef HAS_HTONL 3540 #if (BYTEORDER & 0xffff) != 0x4321 3541 #define HAS_HTONS 3542 #define HAS_HTONL 3543 #define HAS_NTOHS 3544 #define HAS_NTOHL 3545 #define MYSWAP 3546 #define htons my_swap 3547 #define htonl my_htonl 3548 #define ntohs my_swap 3549 #define ntohl my_ntohl 3550 #endif 3551 #else 3552 #if (BYTEORDER & 0xffff) == 0x4321 3553 #undef HAS_HTONS 3554 #undef HAS_HTONL 3555 #undef HAS_NTOHS 3556 #undef HAS_NTOHL 3557 #endif 3558 #endif 3559 3560 /* 3561 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'. 3562 * -DWS 3563 */ 3564 #if BYTEORDER != 0x1234 3565 # define HAS_VTOHL 3566 # define HAS_VTOHS 3567 # define HAS_HTOVL 3568 # define HAS_HTOVS 3569 # if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 3570 # define vtohl(x) ((((x)&0xFF)<<24) \ 3571 +(((x)>>24)&0xFF) \ 3572 +(((x)&0x0000FF00)<<8) \ 3573 +(((x)&0x00FF0000)>>8) ) 3574 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF)) 3575 # define htovl(x) vtohl(x) 3576 # define htovs(x) vtohs(x) 3577 # endif 3578 /* otherwise default to functions in util.c */ 3579 #ifndef htovs 3580 short htovs(short n); 3581 short vtohs(short n); 3582 long htovl(long n); 3583 long vtohl(long n); 3584 #endif 3585 #endif 3586 3587 /* *MAX Plus 1. A floating point value. 3588 Hopefully expressed in a way that dodgy floating point can't mess up. 3589 >> 2 rather than 1, so that value is safely less than I32_MAX after 1 3590 is added to it 3591 May find that some broken compiler will want the value cast to I32. 3592 [after the shift, as signed >> may not be as secure as unsigned >>] 3593 */ 3594 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1))) 3595 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2))) 3596 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or 3597 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV) 3598 may be greater than sizeof(IV), so don't assume that half max UV is max IV. 3599 */ 3600 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2))) 3601 3602 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2))) 3603 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1))) 3604 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2))) 3605 3606 /* This may look like unnecessary jumping through hoops, but converting 3607 out of range floating point values to integers *is* undefined behaviour, 3608 and it is starting to bite. 3609 */ 3610 #ifndef CAST_INLINE 3611 #define I_32(what) (cast_i32((NV)(what))) 3612 #define U_32(what) (cast_ulong((NV)(what))) 3613 #define I_V(what) (cast_iv((NV)(what))) 3614 #define U_V(what) (cast_uv((NV)(what))) 3615 #else 3616 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \ 3617 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \ 3618 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */))) 3619 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \ 3620 : ((n) < U32_MAX_P1 ? (U32) (n) \ 3621 : ((n) > 0 ? U32_MAX : 0 /* NaN */))) 3622 #define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \ 3623 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \ 3624 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */))) 3625 #define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \ 3626 : ((n) < UV_MAX_P1 ? (UV) (n) \ 3627 : ((n) > 0 ? UV_MAX : 0 /* NaN */))) 3628 #endif 3629 3630 #define U_S(what) ((U16)U_32(what)) 3631 #define U_I(what) ((unsigned int)U_32(what)) 3632 #define U_L(what) U_32(what) 3633 3634 #ifdef HAS_SIGNBIT 3635 # define Perl_signbit signbit 3636 #endif 3637 3638 /* These do not care about the fractional part, only about the range. */ 3639 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX) 3640 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX) 3641 3642 /* Used with UV/IV arguments: */ 3643 /* XXXX: need to speed it up */ 3644 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv)) 3645 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv)) 3646 3647 #ifndef MAXSYSFD 3648 # define MAXSYSFD 2 3649 #endif 3650 3651 #ifndef __cplusplus 3652 #if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN)) 3653 Uid_t getuid (void); 3654 Uid_t geteuid (void); 3655 Gid_t getgid (void); 3656 Gid_t getegid (void); 3657 #endif 3658 #endif 3659 3660 #ifndef Perl_debug_log 3661 # define Perl_debug_log PerlIO_stderr() 3662 #endif 3663 3664 #ifndef Perl_error_log 3665 # define Perl_error_log (PL_stderrgv \ 3666 && isGV(PL_stderrgv) \ 3667 && GvIOp(PL_stderrgv) \ 3668 && IoOFP(GvIOp(PL_stderrgv)) \ 3669 ? IoOFP(GvIOp(PL_stderrgv)) \ 3670 : PerlIO_stderr()) 3671 #endif 3672 3673 3674 #define DEBUG_p_FLAG 0x00000001 /* 1 */ 3675 #define DEBUG_s_FLAG 0x00000002 /* 2 */ 3676 #define DEBUG_l_FLAG 0x00000004 /* 4 */ 3677 #define DEBUG_t_FLAG 0x00000008 /* 8 */ 3678 #define DEBUG_o_FLAG 0x00000010 /* 16 */ 3679 #define DEBUG_c_FLAG 0x00000020 /* 32 */ 3680 #define DEBUG_P_FLAG 0x00000040 /* 64 */ 3681 #define DEBUG_m_FLAG 0x00000080 /* 128 */ 3682 #define DEBUG_f_FLAG 0x00000100 /* 256 */ 3683 #define DEBUG_r_FLAG 0x00000200 /* 512 */ 3684 #define DEBUG_x_FLAG 0x00000400 /* 1024 */ 3685 #define DEBUG_u_FLAG 0x00000800 /* 2048 */ 3686 /* U is reserved for Unofficial, exploratory hacking */ 3687 #define DEBUG_U_FLAG 0x00001000 /* 4096 */ 3688 #define DEBUG_H_FLAG 0x00002000 /* 8192 */ 3689 #define DEBUG_X_FLAG 0x00004000 /* 16384 */ 3690 #define DEBUG_D_FLAG 0x00008000 /* 32768 */ 3691 #define DEBUG_S_FLAG 0x00010000 /* 65536 */ 3692 #define DEBUG_T_FLAG 0x00020000 /* 131072 */ 3693 #define DEBUG_R_FLAG 0x00040000 /* 262144 */ 3694 #define DEBUG_J_FLAG 0x00080000 /* 524288 */ 3695 #define DEBUG_v_FLAG 0x00100000 /*1048576 */ 3696 #define DEBUG_C_FLAG 0x00200000 /*2097152 */ 3697 #define DEBUG_A_FLAG 0x00400000 /*4194304 */ 3698 #define DEBUG_q_FLAG 0x00800000 /*8388608 */ 3699 #define DEBUG_M_FLAG 0x01000000 /*16777216*/ 3700 #define DEBUG_B_FLAG 0x02000000 /*33554432*/ 3701 #define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */ 3702 3703 #define DEBUG_DB_RECURSE_FLAG 0x40000000 3704 #define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal 3705 that something was done? */ 3706 3707 # define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG) 3708 # define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG) 3709 # define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG) 3710 # define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG) 3711 # define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG) 3712 # define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG) 3713 # define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG) 3714 # define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG) 3715 # define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG) 3716 # define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG) 3717 # define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG) 3718 # define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG) 3719 # define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG) 3720 # define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG) 3721 # define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG) 3722 # define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG) 3723 # define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG) 3724 # define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG) 3725 # define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG) 3726 # define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG) 3727 # define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG) 3728 # define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG) 3729 # define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG) 3730 # define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG) 3731 # define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG) 3732 # define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG) 3733 # define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_) 3734 # define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_) 3735 # define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_) 3736 3737 #ifdef DEBUGGING 3738 3739 # define DEBUG_p_TEST DEBUG_p_TEST_ 3740 # define DEBUG_s_TEST DEBUG_s_TEST_ 3741 # define DEBUG_l_TEST DEBUG_l_TEST_ 3742 # define DEBUG_t_TEST DEBUG_t_TEST_ 3743 # define DEBUG_o_TEST DEBUG_o_TEST_ 3744 # define DEBUG_c_TEST DEBUG_c_TEST_ 3745 # define DEBUG_P_TEST DEBUG_P_TEST_ 3746 # define DEBUG_m_TEST DEBUG_m_TEST_ 3747 # define DEBUG_f_TEST DEBUG_f_TEST_ 3748 # define DEBUG_r_TEST DEBUG_r_TEST_ 3749 # define DEBUG_x_TEST DEBUG_x_TEST_ 3750 # define DEBUG_u_TEST DEBUG_u_TEST_ 3751 # define DEBUG_U_TEST DEBUG_U_TEST_ 3752 # define DEBUG_H_TEST DEBUG_H_TEST_ 3753 # define DEBUG_X_TEST DEBUG_X_TEST_ 3754 # define DEBUG_D_TEST DEBUG_D_TEST_ 3755 # define DEBUG_S_TEST DEBUG_S_TEST_ 3756 # define DEBUG_T_TEST DEBUG_T_TEST_ 3757 # define DEBUG_R_TEST DEBUG_R_TEST_ 3758 # define DEBUG_J_TEST DEBUG_J_TEST_ 3759 # define DEBUG_v_TEST DEBUG_v_TEST_ 3760 # define DEBUG_C_TEST DEBUG_C_TEST_ 3761 # define DEBUG_A_TEST DEBUG_A_TEST_ 3762 # define DEBUG_q_TEST DEBUG_q_TEST_ 3763 # define DEBUG_M_TEST DEBUG_M_TEST_ 3764 # define DEBUG_B_TEST DEBUG_B_TEST_ 3765 # define DEBUG_Xv_TEST DEBUG_Xv_TEST_ 3766 # define DEBUG_Uv_TEST DEBUG_Uv_TEST_ 3767 # define DEBUG_Pv_TEST DEBUG_Pv_TEST_ 3768 3769 # define PERL_DEB(a) a 3770 # define PERL_DEBUG(a) if (PL_debug) a 3771 # define DEBUG_p(a) if (DEBUG_p_TEST) a 3772 # define DEBUG_s(a) if (DEBUG_s_TEST) a 3773 # define DEBUG_l(a) if (DEBUG_l_TEST) a 3774 # define DEBUG_t(a) if (DEBUG_t_TEST) a 3775 # define DEBUG_o(a) if (DEBUG_o_TEST) a 3776 # define DEBUG_c(a) if (DEBUG_c_TEST) a 3777 # define DEBUG_P(a) if (DEBUG_P_TEST) a 3778 3779 /* Temporarily turn off memory debugging in case the a 3780 * does memory allocation, either directly or indirectly. */ 3781 # define DEBUG_m(a) \ 3782 STMT_START { \ 3783 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \ 3784 } STMT_END 3785 3786 # define DEBUG__(t, a) \ 3787 STMT_START { \ 3788 if (t) STMT_START {a;} STMT_END; \ 3789 } STMT_END 3790 3791 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a) 3792 #ifndef PERL_EXT_RE_BUILD 3793 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a) 3794 #else 3795 # define DEBUG_r(a) STMT_START {a;} STMT_END 3796 #endif /* PERL_EXT_RE_BUILD */ 3797 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a) 3798 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a) 3799 # define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a) 3800 # define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a) 3801 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a) 3802 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a) 3803 # define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a) 3804 # define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a) 3805 # define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a) 3806 3807 # define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a) 3808 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a) 3809 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a) 3810 # define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a) 3811 # define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a) 3812 # define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a) 3813 # define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a) 3814 # define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a) 3815 # define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a) 3816 3817 #else /* DEBUGGING */ 3818 3819 # define DEBUG_p_TEST (0) 3820 # define DEBUG_s_TEST (0) 3821 # define DEBUG_l_TEST (0) 3822 # define DEBUG_t_TEST (0) 3823 # define DEBUG_o_TEST (0) 3824 # define DEBUG_c_TEST (0) 3825 # define DEBUG_P_TEST (0) 3826 # define DEBUG_m_TEST (0) 3827 # define DEBUG_f_TEST (0) 3828 # define DEBUG_r_TEST (0) 3829 # define DEBUG_x_TEST (0) 3830 # define DEBUG_u_TEST (0) 3831 # define DEBUG_U_TEST (0) 3832 # define DEBUG_H_TEST (0) 3833 # define DEBUG_X_TEST (0) 3834 # define DEBUG_D_TEST (0) 3835 # define DEBUG_S_TEST (0) 3836 # define DEBUG_T_TEST (0) 3837 # define DEBUG_R_TEST (0) 3838 # define DEBUG_J_TEST (0) 3839 # define DEBUG_v_TEST (0) 3840 # define DEBUG_C_TEST (0) 3841 # define DEBUG_A_TEST (0) 3842 # define DEBUG_q_TEST (0) 3843 # define DEBUG_M_TEST (0) 3844 # define DEBUG_B_TEST (0) 3845 # define DEBUG_Xv_TEST (0) 3846 # define DEBUG_Uv_TEST (0) 3847 # define DEBUG_Pv_TEST (0) 3848 3849 # define PERL_DEB(a) 3850 # define PERL_DEBUG(a) 3851 # define DEBUG_p(a) 3852 # define DEBUG_s(a) 3853 # define DEBUG_l(a) 3854 # define DEBUG_t(a) 3855 # define DEBUG_o(a) 3856 # define DEBUG_c(a) 3857 # define DEBUG_P(a) 3858 # define DEBUG_m(a) 3859 # define DEBUG_f(a) 3860 # define DEBUG_r(a) 3861 # define DEBUG_x(a) 3862 # define DEBUG_u(a) 3863 # define DEBUG_U(a) 3864 # define DEBUG_H(a) 3865 # define DEBUG_X(a) 3866 # define DEBUG_D(a) 3867 # define DEBUG_S(a) 3868 # define DEBUG_T(a) 3869 # define DEBUG_R(a) 3870 # define DEBUG_v(a) 3871 # define DEBUG_C(a) 3872 # define DEBUG_A(a) 3873 # define DEBUG_q(a) 3874 # define DEBUG_M(a) 3875 # define DEBUG_B(a) 3876 # define DEBUG_Xv(a) 3877 # define DEBUG_Uv(a) 3878 # define DEBUG_Pv(a) 3879 #endif /* DEBUGGING */ 3880 3881 3882 #define DEBUG_SCOPE(where) \ 3883 DEBUG_l( \ 3884 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \ 3885 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \ 3886 __FILE__, __LINE__)); 3887 3888 #if defined(DEBUGGING) && defined(I_ASSERT) 3889 # include <assert.h> 3890 #endif 3891 3892 /* Keep the old croak based assert for those who want it, and as a fallback if 3893 the platform is so heretically non-ANSI that it can't assert. */ 3894 3895 #define Perl_assert(what) PERL_DEB( \ 3896 ((what) ? ((void) 0) : \ 3897 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \ 3898 "\", line %d", STRINGIFY(what), __LINE__), \ 3899 (void) 0))) 3900 3901 #ifndef assert 3902 # define assert(what) Perl_assert(what) 3903 #endif 3904 #ifdef DEBUGGING 3905 # define assert_(what) assert(what), 3906 #else 3907 # define assert_(what) 3908 #endif 3909 3910 struct ufuncs { 3911 I32 (*uf_val)(pTHX_ IV, SV*); 3912 I32 (*uf_set)(pTHX_ IV, SV*); 3913 IV uf_index; 3914 }; 3915 3916 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context. 3917 * XS code wanting to be backward compatible can do something 3918 * like the following: 3919 3920 #ifndef PERL_MG_UFUNC 3921 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv) 3922 #endif 3923 3924 static PERL_MG_UFUNC(foo_get, index, val) 3925 { 3926 sv_setsv(val, ...); 3927 return TRUE; 3928 } 3929 3930 -- Doug MacEachern 3931 3932 */ 3933 3934 #ifndef PERL_MG_UFUNC 3935 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv) 3936 #endif 3937 3938 /* Fix these up for __STDC__ */ 3939 #ifndef DONT_DECLARE_STD 3940 char *mktemp (char*); 3941 #ifndef atof 3942 double atof (const char*); 3943 #endif 3944 #endif 3945 3946 #ifndef STANDARD_C 3947 /* All of these are in stdlib.h or time.h for ANSI C */ 3948 Time_t time(); 3949 struct tm *gmtime(), *localtime(); 3950 #if defined(OEMVS) 3951 char *(strchr)(), *(strrchr)(); 3952 char *(strcpy)(), *(strcat)(); 3953 #else 3954 char *strchr(), *strrchr(); 3955 char *strcpy(), *strcat(); 3956 #endif 3957 #endif /* ! STANDARD_C */ 3958 3959 3960 #ifdef I_MATH 3961 # include <math.h> 3962 #else 3963 START_EXTERN_C 3964 double exp (double); 3965 double log (double); 3966 double log10 (double); 3967 double sqrt (double); 3968 double frexp (double,int*); 3969 double ldexp (double,int); 3970 double modf (double,double*); 3971 double sin (double); 3972 double cos (double); 3973 double atan2 (double,double); 3974 double pow (double,double); 3975 END_EXTERN_C 3976 #endif 3977 3978 #if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY) 3979 # define NV_INF LDBL_INFINITY 3980 #endif 3981 #if !defined(NV_INF) && defined(DBL_INFINITY) 3982 # define NV_INF (NV)DBL_INFINITY 3983 #endif 3984 #if !defined(NV_INF) && defined(INFINITY) 3985 # define NV_INF (NV)INFINITY 3986 #endif 3987 #if !defined(NV_INF) && defined(INF) 3988 # define NV_INF (NV)INF 3989 #endif 3990 #if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL) 3991 # define NV_INF (NV)HUGE_VALL 3992 #endif 3993 #if !defined(NV_INF) && defined(HUGE_VAL) 3994 # define NV_INF (NV)HUGE_VAL 3995 #endif 3996 3997 #if !defined(NV_NAN) && defined(USE_LONG_DOUBLE) 3998 # if !defined(NV_NAN) && defined(LDBL_NAN) 3999 # define NV_NAN LDBL_NAN 4000 # endif 4001 # if !defined(NV_NAN) && defined(LDBL_QNAN) 4002 # define NV_NAN LDBL_QNAN 4003 # endif 4004 # if !defined(NV_NAN) && defined(LDBL_SNAN) 4005 # define NV_NAN LDBL_SNAN 4006 # endif 4007 #endif 4008 #if !defined(NV_NAN) && defined(DBL_NAN) 4009 # define NV_NAN (NV)DBL_NAN 4010 #endif 4011 #if !defined(NV_NAN) && defined(DBL_QNAN) 4012 # define NV_NAN (NV)DBL_QNAN 4013 #endif 4014 #if !defined(NV_NAN) && defined(DBL_SNAN) 4015 # define NV_NAN (NV)DBL_SNAN 4016 #endif 4017 #if !defined(NV_NAN) && defined(QNAN) 4018 # define NV_NAN (NV)QNAN 4019 #endif 4020 #if !defined(NV_NAN) && defined(SNAN) 4021 # define NV_NAN (NV)SNAN 4022 #endif 4023 #if !defined(NV_NAN) && defined(NAN) 4024 # define NV_NAN (NV)NAN 4025 #endif 4026 4027 #ifndef __cplusplus 4028 # if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */ 4029 char *crypt (); /* Maybe more hosts will need the unprototyped version */ 4030 # else 4031 # if !defined(WIN32) && !defined(VMS) 4032 #ifndef crypt 4033 char *crypt (const char*, const char*); 4034 #endif 4035 # endif /* !WIN32 */ 4036 # endif /* !NeXT && !__NeXT__ */ 4037 # ifndef DONT_DECLARE_STD 4038 # ifndef getenv 4039 char *getenv (const char*); 4040 # endif /* !getenv */ 4041 # if !defined(HAS_LSEEK_PROTO) && !defined(__hpux) 4042 # ifdef _FILE_OFFSET_BITS 4043 # if _FILE_OFFSET_BITS == 64 4044 Off_t lseek (int,Off_t,int); 4045 # endif 4046 # endif 4047 # endif 4048 # endif /* !DONT_DECLARE_STD */ 4049 # ifndef WIN32 4050 # ifndef getlogin 4051 char *getlogin (void); 4052 # endif 4053 # endif /* !WIN32 */ 4054 #endif /* !__cplusplus */ 4055 4056 /* Fixme on VMS. This needs to be a run-time, not build time options */ 4057 /* Also rename() is affected by this */ 4058 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */ 4059 #define UNLINK unlnk 4060 I32 unlnk (pTHX_ const char*); 4061 #else 4062 #define UNLINK PerlLIO_unlink 4063 #endif 4064 4065 /* some versions of glibc are missing the setresuid() proto */ 4066 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO) 4067 int setresuid(uid_t ruid, uid_t euid, uid_t suid); 4068 #endif 4069 /* some versions of glibc are missing the setresgid() proto */ 4070 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO) 4071 int setresgid(gid_t rgid, gid_t egid, gid_t sgid); 4072 #endif 4073 4074 #ifndef HAS_SETREUID 4075 # ifdef HAS_SETRESUID 4076 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1) 4077 # define HAS_SETREUID 4078 # endif 4079 #endif 4080 #ifndef HAS_SETREGID 4081 # ifdef HAS_SETRESGID 4082 # define setregid(r,e) setresgid(r,e,(Gid_t)-1) 4083 # define HAS_SETREGID 4084 # endif 4085 #endif 4086 4087 /* Sighandler_t defined in iperlsys.h */ 4088 4089 #ifdef HAS_SIGACTION 4090 typedef struct sigaction Sigsave_t; 4091 #else 4092 typedef Sighandler_t Sigsave_t; 4093 #endif 4094 4095 #define SCAN_DEF 0 4096 #define SCAN_TR 1 4097 #define SCAN_REPL 2 4098 4099 #ifdef DEBUGGING 4100 # ifndef register 4101 # define register 4102 # endif 4103 # define RUNOPS_DEFAULT Perl_runops_debug 4104 #else 4105 # define RUNOPS_DEFAULT Perl_runops_standard 4106 #endif 4107 4108 #ifdef USE_PERLIO 4109 EXTERN_C void PerlIO_teardown(void); 4110 # ifdef USE_ITHREADS 4111 # define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex) 4112 # define PERLIO_TERM \ 4113 STMT_START { \ 4114 PerlIO_teardown(); \ 4115 MUTEX_DESTROY(&PL_perlio_mutex);\ 4116 } STMT_END 4117 # else 4118 # define PERLIO_INIT 4119 # define PERLIO_TERM PerlIO_teardown() 4120 # endif 4121 #else 4122 # define PERLIO_INIT 4123 # define PERLIO_TERM 4124 #endif 4125 4126 #ifdef MYMALLOC 4127 # ifdef MUTEX_INIT_CALLS_MALLOC 4128 # define MALLOC_INIT \ 4129 STMT_START { \ 4130 PL_malloc_mutex = NULL; \ 4131 MUTEX_INIT(&PL_malloc_mutex); \ 4132 } STMT_END 4133 # define MALLOC_TERM \ 4134 STMT_START { \ 4135 perl_mutex tmp = PL_malloc_mutex; \ 4136 PL_malloc_mutex = NULL; \ 4137 MUTEX_DESTROY(&tmp); \ 4138 } STMT_END 4139 # else 4140 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex) 4141 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex) 4142 # endif 4143 #else 4144 # define MALLOC_INIT 4145 # define MALLOC_TERM 4146 #endif 4147 4148 #if defined(PERL_IMPLICIT_CONTEXT) 4149 4150 struct perl_memory_debug_header; 4151 struct perl_memory_debug_header { 4152 tTHX interpreter; 4153 # ifdef PERL_POISON 4154 MEM_SIZE size; 4155 # endif 4156 struct perl_memory_debug_header *prev; 4157 struct perl_memory_debug_header *next; 4158 }; 4159 4160 # define sTHX (sizeof(struct perl_memory_debug_header) + \ 4161 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \ 4162 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES) 4163 4164 #else 4165 # define sTHX 0 4166 #endif 4167 4168 #ifdef PERL_TRACK_MEMPOOL 4169 # define INIT_TRACK_MEMPOOL(header, interp) \ 4170 STMT_START { \ 4171 (header).interpreter = (interp); \ 4172 (header).prev = (header).next = &(header); \ 4173 } STMT_END 4174 # else 4175 # define INIT_TRACK_MEMPOOL(header, interp) 4176 #endif 4177 4178 #ifdef I_MALLOCMALLOC 4179 /* Needed for malloc_size(), malloc_good_size() on some systems */ 4180 # include <malloc/malloc.h> 4181 #endif 4182 4183 #ifdef MYMALLOC 4184 # define Perl_safesysmalloc_size(where) Perl_malloced_size(where) 4185 #else 4186 # ifdef HAS_MALLOC_SIZE 4187 # ifdef PERL_TRACK_MEMPOOL 4188 # define Perl_safesysmalloc_size(where) \ 4189 (malloc_size(((char *)(where)) - sTHX) - sTHX) 4190 # else 4191 # define Perl_safesysmalloc_size(where) malloc_size(where) 4192 # endif 4193 # endif 4194 # ifdef HAS_MALLOC_GOOD_SIZE 4195 # ifdef PERL_TRACK_MEMPOOL 4196 # define Perl_malloc_good_size(how_much) \ 4197 (malloc_good_size((how_much) + sTHX) - sTHX) 4198 # else 4199 # define Perl_malloc_good_size(how_much) malloc_good_size(how_much) 4200 # endif 4201 # else 4202 /* Having this as the identity operation makes some code simpler. */ 4203 # define Perl_malloc_good_size(how_much) (how_much) 4204 # endif 4205 #endif 4206 4207 typedef int (*runops_proc_t)(pTHX); 4208 typedef void (*share_proc_t) (pTHX_ SV *sv); 4209 typedef int (*thrhook_proc_t) (pTHX); 4210 typedef OP* (*PPADDR_t[]) (pTHX); 4211 typedef bool (*destroyable_proc_t) (pTHX_ SV *sv); 4212 typedef void (*despatch_signals_proc_t) (pTHX); 4213 4214 /* NeXT has problems with crt0.o globals */ 4215 #if defined(__DYNAMIC__) && \ 4216 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN)) 4217 # if defined(NeXT) || defined(__NeXT) 4218 # include <mach-o/dyld.h> 4219 # define environ (*environ_pointer) 4220 EXT char *** environ_pointer; 4221 # else 4222 # if defined(PERL_DARWIN) && defined(PERL_CORE) 4223 # include <crt_externs.h> /* for the env array */ 4224 # define environ (*_NSGetEnviron()) 4225 # endif 4226 # endif 4227 #else 4228 /* VMS and some other platforms don't use the environ array */ 4229 # ifdef USE_ENVIRON_ARRAY 4230 # if !defined(DONT_DECLARE_STD) || \ 4231 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \ 4232 defined(__sgi) || \ 4233 defined(__DGUX) 4234 extern char ** environ; /* environment variables supplied via exec */ 4235 # endif 4236 # endif 4237 #endif 4238 4239 #define PERL_PATCHLEVEL_H_IMPLICIT 4240 #include "patchlevel.h" 4241 #undef PERL_PATCHLEVEL_H_IMPLICIT 4242 4243 #define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \ 4244 STRINGIFY(PERL_VERSION) "." \ 4245 STRINGIFY(PERL_SUBVERSION) 4246 4247 #define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \ 4248 STRINGIFY(PERL_API_VERSION) "." \ 4249 STRINGIFY(PERL_API_SUBVERSION) 4250 4251 START_EXTERN_C 4252 4253 /* handy constants */ 4254 EXTCONST char PL_warn_uninit[] 4255 INIT("Use of uninitialized value%s%s%s"); 4256 EXTCONST char PL_warn_uninit_sv[] 4257 INIT("Use of uninitialized value%"SVf"%s%s"); 4258 EXTCONST char PL_warn_nosemi[] 4259 INIT("Semicolon seems to be missing"); 4260 EXTCONST char PL_warn_reserved[] 4261 INIT("Unquoted string \"%s\" may clash with future reserved word"); 4262 EXTCONST char PL_warn_nl[] 4263 INIT("Unsuccessful %s on filename containing newline"); 4264 EXTCONST char PL_no_wrongref[] 4265 INIT("Can't use %s ref as %s ref"); 4266 /* The core no longer needs these here. If you require the string constant, 4267 please inline a copy into your own code. */ 4268 EXTCONST char PL_no_symref[] __attribute__deprecated__ 4269 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use"); 4270 EXTCONST char PL_no_symref_sv[] __attribute__deprecated__ 4271 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use"); 4272 EXTCONST char PL_no_usym[] 4273 INIT("Can't use an undefined value as %s reference"); 4274 EXTCONST char PL_no_aelem[] 4275 INIT("Modification of non-creatable array value attempted, subscript %d"); 4276 EXTCONST char PL_no_helem_sv[] 4277 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\""); 4278 EXTCONST char PL_no_modify[] 4279 INIT("Modification of a read-only value attempted"); 4280 EXTCONST char PL_no_mem[sizeof("Out of memory!\n")] 4281 INIT("Out of memory!\n"); 4282 EXTCONST char PL_no_security[] 4283 INIT("Insecure dependency in %s%s"); 4284 EXTCONST char PL_no_sock_func[] 4285 INIT("Unsupported socket function \"%s\" called"); 4286 EXTCONST char PL_no_dir_func[] 4287 INIT("Unsupported directory function \"%s\" called"); 4288 EXTCONST char PL_no_func[] 4289 INIT("The %s function is unimplemented"); 4290 EXTCONST char PL_no_myglob[] 4291 INIT("\"%s\" variable %s can't be in a package"); 4292 EXTCONST char PL_no_localize_ref[] 4293 INIT("Can't localize through a reference"); 4294 EXTCONST char PL_memory_wrap[] 4295 INIT("panic: memory wrap"); 4296 4297 EXTCONST char PL_Yes[] 4298 INIT("1"); 4299 EXTCONST char PL_No[] 4300 INIT(""); 4301 EXTCONST char PL_hexdigit[] 4302 INIT("0123456789abcdef0123456789ABCDEF"); 4303 4304 /* This is constant on most architectures, a global on OS/2 */ 4305 #ifndef OS2 4306 EXTCONST char PL_sh_path[] 4307 INIT(SH_PATH); /* full path of shell */ 4308 #endif 4309 4310 #ifdef CSH 4311 EXTCONST char PL_cshname[] 4312 INIT(CSH); 4313 # define PL_cshlen (sizeof(CSH "") - 1) 4314 #endif 4315 4316 /* These are baked at compile time into any shared perl library. 4317 In future releases this will allow us in main() to sanity test the 4318 library we're linking against. */ 4319 4320 EXTCONST U8 PL_revision 4321 INIT(PERL_REVISION); 4322 EXTCONST U8 PL_version 4323 INIT(PERL_VERSION); 4324 EXTCONST U8 PL_subversion 4325 INIT(PERL_SUBVERSION); 4326 4327 EXTCONST char PL_uuemap[65] 4328 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"); 4329 4330 #ifdef DOINIT 4331 EXTCONST char PL_uudmap[256] = 4332 # ifdef PERL_MICRO 4333 # include "uuudmap.h" 4334 # else 4335 # include "uudmap.h" 4336 # endif 4337 ; 4338 EXTCONST char PL_bitcount[256] = 4339 # ifdef PERL_MICRO 4340 # include "ubitcount.h" 4341 #else 4342 # include "bitcount.h" 4343 # endif 4344 ; 4345 EXTCONST char* const PL_sig_name[] = { SIG_NAME }; 4346 EXTCONST int PL_sig_num[] = { SIG_NUM }; 4347 #else 4348 EXTCONST char PL_uudmap[256]; 4349 EXTCONST char PL_bitcount[256]; 4350 EXTCONST char* const PL_sig_name[]; 4351 EXTCONST int PL_sig_num[]; 4352 #endif 4353 4354 /* fast conversion and case folding tables. The folding tables complement the 4355 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated 4356 * folds such as outside the range or to multiple characters. */ 4357 4358 #ifdef DOINIT 4359 #ifndef EBCDIC 4360 4361 /* The EBCDIC fold table depends on the code page, and hence is found in 4362 * utfebcdic.h */ 4363 4364 EXTCONST unsigned char PL_fold[] = { 4365 0, 1, 2, 3, 4, 5, 6, 7, 4366 8, 9, 10, 11, 12, 13, 14, 15, 4367 16, 17, 18, 19, 20, 21, 22, 23, 4368 24, 25, 26, 27, 28, 29, 30, 31, 4369 32, 33, 34, 35, 36, 37, 38, 39, 4370 40, 41, 42, 43, 44, 45, 46, 47, 4371 48, 49, 50, 51, 52, 53, 54, 55, 4372 56, 57, 58, 59, 60, 61, 62, 63, 4373 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 4374 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 4375 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 4376 'x', 'y', 'z', 91, 92, 93, 94, 95, 4377 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 4378 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 4379 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 4380 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 4381 128, 129, 130, 131, 132, 133, 134, 135, 4382 136, 137, 138, 139, 140, 141, 142, 143, 4383 144, 145, 146, 147, 148, 149, 150, 151, 4384 152, 153, 154, 155, 156, 157, 158, 159, 4385 160, 161, 162, 163, 164, 165, 166, 167, 4386 168, 169, 170, 171, 172, 173, 174, 175, 4387 176, 177, 178, 179, 180, 181, 182, 183, 4388 184, 185, 186, 187, 188, 189, 190, 191, 4389 192, 193, 194, 195, 196, 197, 198, 199, 4390 200, 201, 202, 203, 204, 205, 206, 207, 4391 208, 209, 210, 211, 212, 213, 214, 215, 4392 216, 217, 218, 219, 220, 221, 222, 223, 4393 224, 225, 226, 227, 228, 229, 230, 231, 4394 232, 233, 234, 235, 236, 237, 238, 239, 4395 240, 241, 242, 243, 244, 245, 246, 247, 4396 248, 249, 250, 251, 252, 253, 254, 255 4397 }; 4398 EXTCONST unsigned char PL_fold_latin1[] = { 4399 /* Full latin1 complement folding, except for three problematic code points: 4400 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their 4401 * fold complements outside the Latin1 range, so can't match something 4402 * that isn't in utf8. 4403 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss', 4404 * not one, so can't be represented in this table. 4405 * 4406 * All have to be specially handled */ 4407 0, 1, 2, 3, 4, 5, 6, 7, 4408 8, 9, 10, 11, 12, 13, 14, 15, 4409 16, 17, 18, 19, 20, 21, 22, 23, 4410 24, 25, 26, 27, 28, 29, 30, 31, 4411 32, 33, 34, 35, 36, 37, 38, 39, 4412 40, 41, 42, 43, 44, 45, 46, 47, 4413 48, 49, 50, 51, 52, 53, 54, 55, 4414 56, 57, 58, 59, 60, 61, 62, 63, 4415 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 4416 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 4417 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 4418 'x', 'y', 'z', 91, 92, 93, 94, 95, 4419 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 4420 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 4421 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 4422 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 4423 128, 129, 130, 131, 132, 133, 134, 135, 4424 136, 137, 138, 139, 140, 141, 142, 143, 4425 144, 145, 146, 147, 148, 149, 150, 151, 4426 152, 153, 154, 155, 156, 157, 158, 159, 4427 160, 161, 162, 163, 164, 165, 166, 167, 4428 168, 169, 170, 171, 172, 173, 174, 175, 4429 176, 177, 178, 179, 180, 181 /*micro */, 182, 183, 4430 184, 185, 186, 187, 188, 189, 190, 191, 4431 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32, 4432 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32, 4433 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215, 4434 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */, 4435 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32, 4436 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32, 4437 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247, 4438 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 4439 255 /* y with diaeresis */ 4440 }; 4441 #endif /* !EBCDIC, but still in DOINIT */ 4442 4443 /* If these tables are accessed through ebcdic, the access will be converted to 4444 * latin1 first */ 4445 EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */ 4446 0, 1, 2, 3, 4, 5, 6, 7, 4447 8, 9, 10, 11, 12, 13, 14, 15, 4448 16, 17, 18, 19, 20, 21, 22, 23, 4449 24, 25, 26, 27, 28, 29, 30, 31, 4450 32, 33, 34, 35, 36, 37, 38, 39, 4451 40, 41, 42, 43, 44, 45, 46, 47, 4452 48, 49, 50, 51, 52, 53, 54, 55, 4453 56, 57, 58, 59, 60, 61, 62, 63, 4454 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 4455 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 4456 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 4457 'x', 'y', 'z', 91, 92, 93, 94, 95, 4458 96, 97, 98, 99, 100, 101, 102, 103, 4459 104, 105, 106, 107, 108, 109, 110, 111, 4460 112, 113, 114, 115, 116, 117, 118, 119, 4461 120, 121, 122, 123, 124, 125, 126, 127, 4462 128, 129, 130, 131, 132, 133, 134, 135, 4463 136, 137, 138, 139, 140, 141, 142, 143, 4464 144, 145, 146, 147, 148, 149, 150, 151, 4465 152, 153, 154, 155, 156, 157, 158, 159, 4466 160, 161, 162, 163, 164, 165, 166, 167, 4467 168, 169, 170, 171, 172, 173, 174, 175, 4468 176, 177, 178, 179, 180, 181, 182, 183, 4469 184, 185, 186, 187, 188, 189, 190, 191, 4470 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32, 4471 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32, 4472 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215, 4473 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223, 4474 224, 225, 226, 227, 228, 229, 230, 231, 4475 232, 233, 234, 235, 236, 237, 238, 239, 4476 240, 241, 242, 243, 244, 245, 246, 247, 4477 248, 249, 250, 251, 252, 253, 254, 255 4478 }; 4479 4480 /* upper and title case of latin1 characters, modified so that the three tricky 4481 * ones are mapped to 255 (which is one of the three) */ 4482 EXTCONST unsigned char PL_mod_latin1_uc[] = { 4483 0, 1, 2, 3, 4, 5, 6, 7, 4484 8, 9, 10, 11, 12, 13, 14, 15, 4485 16, 17, 18, 19, 20, 21, 22, 23, 4486 24, 25, 26, 27, 28, 29, 30, 31, 4487 32, 33, 34, 35, 36, 37, 38, 39, 4488 40, 41, 42, 43, 44, 45, 46, 47, 4489 48, 49, 50, 51, 52, 53, 54, 55, 4490 56, 57, 58, 59, 60, 61, 62, 63, 4491 64, 65, 66, 67, 68, 69, 70, 71, 4492 72, 73, 74, 75, 76, 77, 78, 79, 4493 80, 81, 82, 83, 84, 85, 86, 87, 4494 88, 89, 90, 91, 92, 93, 94, 95, 4495 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 4496 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 4497 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 4498 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 4499 128, 129, 130, 131, 132, 133, 134, 135, 4500 136, 137, 138, 139, 140, 141, 142, 143, 4501 144, 145, 146, 147, 148, 149, 150, 151, 4502 152, 153, 154, 155, 156, 157, 158, 159, 4503 160, 161, 162, 163, 164, 165, 166, 167, 4504 168, 169, 170, 171, 172, 173, 174, 175, 4505 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183, 4506 184, 185, 186, 187, 188, 189, 190, 191, 4507 192, 193, 194, 195, 196, 197, 198, 199, 4508 200, 201, 202, 203, 204, 205, 206, 207, 4509 208, 209, 210, 211, 212, 213, 214, 215, 4510 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/, 4511 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32, 4512 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32, 4513 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247, 4514 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255 4515 }; 4516 #else /* ! DOINIT */ 4517 #ifndef EBCDIC 4518 EXTCONST unsigned char PL_fold[]; 4519 EXTCONST unsigned char PL_fold_latin1[]; 4520 #endif 4521 EXTCONST unsigned char PL_mod_latin1_uc[]; 4522 EXTCONST unsigned char PL_latin1_lc[]; 4523 #endif 4524 4525 #ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */ 4526 #ifdef DOINIT 4527 EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */ 4528 0, 1, 2, 3, 4, 5, 6, 7, 4529 8, 9, 10, 11, 12, 13, 14, 15, 4530 16, 17, 18, 19, 20, 21, 22, 23, 4531 24, 25, 26, 27, 28, 29, 30, 31, 4532 32, 33, 34, 35, 36, 37, 38, 39, 4533 40, 41, 42, 43, 44, 45, 46, 47, 4534 48, 49, 50, 51, 52, 53, 54, 55, 4535 56, 57, 58, 59, 60, 61, 62, 63, 4536 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 4537 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 4538 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 4539 'x', 'y', 'z', 91, 92, 93, 94, 95, 4540 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 4541 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 4542 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 4543 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 4544 128, 129, 130, 131, 132, 133, 134, 135, 4545 136, 137, 138, 139, 140, 141, 142, 143, 4546 144, 145, 146, 147, 148, 149, 150, 151, 4547 152, 153, 154, 155, 156, 157, 158, 159, 4548 160, 161, 162, 163, 164, 165, 166, 167, 4549 168, 169, 170, 171, 172, 173, 174, 175, 4550 176, 177, 178, 179, 180, 181, 182, 183, 4551 184, 185, 186, 187, 188, 189, 190, 191, 4552 192, 193, 194, 195, 196, 197, 198, 199, 4553 200, 201, 202, 203, 204, 205, 206, 207, 4554 208, 209, 210, 211, 212, 213, 214, 215, 4555 216, 217, 218, 219, 220, 221, 222, 223, 4556 224, 225, 226, 227, 228, 229, 230, 231, 4557 232, 233, 234, 235, 236, 237, 238, 239, 4558 240, 241, 242, 243, 244, 245, 246, 247, 4559 248, 249, 250, 251, 252, 253, 254, 255 4560 }; 4561 #else 4562 EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */ 4563 #endif 4564 #endif /* !PERL_GLOBAL_STRUCT */ 4565 4566 #ifdef DOINIT 4567 #ifdef EBCDIC 4568 EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */ 4569 1, 2, 84, 151, 154, 155, 156, 157, 4570 165, 246, 250, 3, 158, 7, 18, 29, 4571 40, 51, 62, 73, 85, 96, 107, 118, 4572 129, 140, 147, 148, 149, 150, 152, 153, 4573 255, 6, 8, 9, 10, 11, 12, 13, 4574 14, 15, 24, 25, 26, 27, 28, 226, 4575 29, 30, 31, 32, 33, 43, 44, 45, 4576 46, 47, 48, 49, 50, 76, 77, 78, 4577 79, 80, 81, 82, 83, 84, 85, 86, 4578 87, 94, 95, 234, 181, 233, 187, 190, 4579 180, 96, 97, 98, 99, 100, 101, 102, 4580 104, 112, 182, 174, 236, 232, 229, 103, 4581 228, 226, 114, 115, 116, 117, 118, 119, 4582 120, 121, 122, 235, 176, 230, 194, 162, 4583 130, 131, 132, 133, 134, 135, 136, 137, 4584 138, 139, 201, 205, 163, 217, 220, 224, 4585 5, 248, 227, 244, 242, 255, 241, 231, 4586 240, 253, 16, 197, 19, 20, 21, 187, 4587 23, 169, 210, 245, 237, 249, 247, 239, 4588 168, 252, 34, 196, 36, 37, 38, 39, 4589 41, 42, 251, 254, 238, 223, 221, 213, 4590 225, 177, 52, 53, 54, 55, 56, 57, 4591 58, 59, 60, 61, 63, 64, 65, 66, 4592 67, 68, 69, 70, 71, 72, 74, 75, 4593 205, 208, 186, 202, 200, 218, 198, 179, 4594 178, 214, 88, 89, 90, 91, 92, 93, 4595 217, 166, 170, 207, 199, 209, 206, 204, 4596 160, 212, 105, 106, 108, 109, 110, 111, 4597 203, 113, 216, 215, 192, 175, 193, 243, 4598 172, 161, 123, 124, 125, 126, 127, 128, 4599 222, 219, 211, 195, 188, 193, 185, 184, 4600 191, 183, 141, 142, 143, 144, 145, 146 4601 }; 4602 #else /* ascii rather than ebcdic */ 4603 EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */ 4604 1, 2, 84, 151, 154, 155, 156, 157, 4605 165, 246, 250, 3, 158, 7, 18, 29, 4606 40, 51, 62, 73, 85, 96, 107, 118, 4607 129, 140, 147, 148, 149, 150, 152, 153, 4608 255, 182, 224, 205, 174, 176, 180, 217, 4609 233, 232, 236, 187, 235, 228, 234, 226, 4610 222, 219, 211, 195, 188, 193, 185, 184, 4611 191, 183, 201, 229, 181, 220, 194, 162, 4612 163, 208, 186, 202, 200, 218, 198, 179, 4613 178, 214, 166, 170, 207, 199, 209, 206, 4614 204, 160, 212, 216, 215, 192, 175, 173, 4615 243, 172, 161, 190, 203, 189, 164, 230, 4616 167, 248, 227, 244, 242, 255, 241, 231, 4617 240, 253, 169, 210, 245, 237, 249, 247, 4618 239, 168, 252, 251, 254, 238, 223, 221, 4619 213, 225, 177, 197, 171, 196, 159, 4, 4620 5, 6, 8, 9, 10, 11, 12, 13, 4621 14, 15, 16, 17, 19, 20, 21, 22, 4622 23, 24, 25, 26, 27, 28, 30, 31, 4623 32, 33, 34, 35, 36, 37, 38, 39, 4624 41, 42, 43, 44, 45, 46, 47, 48, 4625 49, 50, 52, 53, 54, 55, 56, 57, 4626 58, 59, 60, 61, 63, 64, 65, 66, 4627 67, 68, 69, 70, 71, 72, 74, 75, 4628 76, 77, 78, 79, 80, 81, 82, 83, 4629 86, 87, 88, 89, 90, 91, 92, 93, 4630 94, 95, 97, 98, 99, 100, 101, 102, 4631 103, 104, 105, 106, 108, 109, 110, 111, 4632 112, 113, 114, 115, 116, 117, 119, 120, 4633 121, 122, 123, 124, 125, 126, 127, 128, 4634 130, 131, 132, 133, 134, 135, 136, 137, 4635 138, 139, 141, 142, 143, 144, 145, 146 4636 }; 4637 #endif 4638 #else 4639 EXTCONST unsigned char PL_freq[]; 4640 #endif 4641 4642 /* Although only used for debugging, these constants must be available in 4643 * non-debugging builds too, since they're used in ext/re/re_exec.c, 4644 * which has DEBUGGING enabled always */ 4645 #ifdef DOINIT 4646 EXTCONST char* const PL_block_type[] = { 4647 "NULL", 4648 "WHEN", 4649 "BLOCK", 4650 "GIVEN", 4651 "LOOP_FOR", 4652 "LOOP_PLAIN", 4653 "LOOP_LAZYSV", 4654 "LOOP_LAZYIV", 4655 "SUB", 4656 "FORMAT", 4657 "EVAL", 4658 "SUBST" 4659 }; 4660 #else 4661 EXTCONST char* PL_block_type[]; 4662 #endif 4663 4664 /* These are all the compile time options that affect binary compatibility. 4665 Other compile time options that are binary compatible are in perl.c 4666 Both are combined for the output of perl -V 4667 However, this string will be embedded in any shared perl library, which will 4668 allow us add a comparison check in perlmain.c in the near future. */ 4669 #ifdef DOINIT 4670 EXTCONST char PL_bincompat_options[] = 4671 # ifdef DEBUG_LEAKING_SCALARS 4672 " DEBUG_LEAKING_SCALARS" 4673 # endif 4674 # ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP 4675 " DEBUG_LEAKING_SCALARS_FORK_DUMP" 4676 # endif 4677 # ifdef FAKE_THREADS 4678 " FAKE_THREADS" 4679 # endif 4680 # ifdef FCRYPT 4681 " FCRYPT" 4682 # endif 4683 # ifdef HAS_TIMES 4684 " HAS_TIMES" 4685 # endif 4686 # ifdef HAVE_INTERP_INTERN 4687 " HAVE_INTERP_INTERN" 4688 # endif 4689 # ifdef MULTIPLICITY 4690 " MULTIPLICITY" 4691 # endif 4692 # ifdef MYMALLOC 4693 " MYMALLOC" 4694 # endif 4695 # ifdef PERLIO_LAYERS 4696 " PERLIO_LAYERS" 4697 # endif 4698 # ifdef PERL_DEBUG_READONLY_OPS 4699 " PERL_DEBUG_READONLY_OPS" 4700 # endif 4701 # ifdef PERL_GLOBAL_STRUCT 4702 " PERL_GLOBAL_STRUCT" 4703 # endif 4704 # ifdef PERL_IMPLICIT_CONTEXT 4705 " PERL_IMPLICIT_CONTEXT" 4706 # endif 4707 # ifdef PERL_IMPLICIT_SYS 4708 " PERL_IMPLICIT_SYS" 4709 # endif 4710 # ifdef PERL_MAD 4711 " PERL_MAD" 4712 # endif 4713 # ifdef PERL_MICRO 4714 " PERL_MICRO" 4715 # endif 4716 # ifdef PERL_NEED_APPCTX 4717 " PERL_NEED_APPCTX" 4718 # endif 4719 # ifdef PERL_NEED_TIMESBASE 4720 " PERL_NEED_TIMESBASE" 4721 # endif 4722 # ifdef PERL_OLD_COPY_ON_WRITE 4723 " PERL_OLD_COPY_ON_WRITE" 4724 # endif 4725 # ifdef PERL_NEW_COPY_ON_WRITE 4726 " PERL_NEW_COPY_ON_WRITE" 4727 # endif 4728 # ifdef PERL_POISON 4729 " PERL_POISON" 4730 # endif 4731 # ifdef PERL_SAWAMPERSAND 4732 " PERL_SAWAMPERSAND" 4733 # endif 4734 # ifdef PERL_TRACK_MEMPOOL 4735 " PERL_TRACK_MEMPOOL" 4736 # endif 4737 # ifdef PERL_USES_PL_PIDSTATUS 4738 " PERL_USES_PL_PIDSTATUS" 4739 # endif 4740 # ifdef USE_64_BIT_ALL 4741 " USE_64_BIT_ALL" 4742 # endif 4743 # ifdef USE_64_BIT_INT 4744 " USE_64_BIT_INT" 4745 # endif 4746 # ifdef USE_IEEE 4747 " USE_IEEE" 4748 # endif 4749 # ifdef USE_ITHREADS 4750 " USE_ITHREADS" 4751 # endif 4752 # ifdef USE_LARGE_FILES 4753 " USE_LARGE_FILES" 4754 # endif 4755 # ifdef USE_LOCALE_COLLATE 4756 " USE_LOCALE_COLLATE" 4757 # endif 4758 # ifdef USE_LOCALE_NUMERIC 4759 " USE_LOCALE_NUMERIC" 4760 # endif 4761 # ifdef USE_LONG_DOUBLE 4762 " USE_LONG_DOUBLE" 4763 # endif 4764 # ifdef USE_PERLIO 4765 " USE_PERLIO" 4766 # endif 4767 # ifdef USE_REENTRANT_API 4768 " USE_REENTRANT_API" 4769 # endif 4770 # ifdef USE_SFIO 4771 " USE_SFIO" 4772 # endif 4773 # ifdef USE_SOCKS 4774 " USE_SOCKS" 4775 # endif 4776 # ifdef VMS_DO_SOCKETS 4777 " VMS_DO_SOCKETS" 4778 # endif 4779 # ifdef VMS_SHORTEN_LONG_SYMBOLS 4780 " VMS_SHORTEN_LONG_SYMBOLS" 4781 # endif 4782 # ifdef VMS_WE_ARE_CASE_SENSITIVE 4783 " VMS_SYMBOL_CASE_AS_IS" 4784 # endif 4785 ""; 4786 #else 4787 EXTCONST char PL_bincompat_options[]; 4788 #endif 4789 4790 #ifndef PERL_SET_PHASE 4791 # define PERL_SET_PHASE(new_phase) \ 4792 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \ 4793 PL_phase = new_phase; 4794 #endif 4795 4796 /* The interpreter phases. If these ever change, PL_phase_names right below will 4797 * need to be updated accordingly. */ 4798 enum perl_phase { 4799 PERL_PHASE_CONSTRUCT = 0, 4800 PERL_PHASE_START = 1, 4801 PERL_PHASE_CHECK = 2, 4802 PERL_PHASE_INIT = 3, 4803 PERL_PHASE_RUN = 4, 4804 PERL_PHASE_END = 5, 4805 PERL_PHASE_DESTRUCT = 6 4806 }; 4807 4808 #ifdef DOINIT 4809 EXTCONST char *const PL_phase_names[] = { 4810 "CONSTRUCT", 4811 "START", 4812 "CHECK", 4813 "INIT", 4814 "RUN", 4815 "END", 4816 "DESTRUCT" 4817 }; 4818 #else 4819 EXTCONST char *const PL_phase_names[]; 4820 #endif 4821 4822 #ifndef PERL_CORE 4823 /* Do not use this macro. It only exists for extensions that rely on PL_dirty 4824 * instead of using the newer PL_phase, which provides everything PL_dirty 4825 * provided, and more. */ 4826 # define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT) 4827 4828 # define PL_amagic_generation PL_na 4829 #endif /* !PERL_CORE */ 4830 4831 END_EXTERN_C 4832 4833 /*****************************************************************************/ 4834 /* This lexer/parser stuff is currently global since yacc is hard to reenter */ 4835 /*****************************************************************************/ 4836 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */ 4837 4838 #ifdef __Lynx__ 4839 /* LynxOS defines these in scsi.h which is included via ioctl.h */ 4840 #ifdef FORMAT 4841 #undef FORMAT 4842 #endif 4843 #ifdef SPACE 4844 #undef SPACE 4845 #endif 4846 #endif 4847 4848 #define LEX_NOTPARSING 11 /* borrowed from toke.c */ 4849 4850 typedef enum { 4851 XOPERATOR, 4852 XTERM, 4853 XREF, 4854 XSTATE, 4855 XBLOCK, 4856 XATTRBLOCK, 4857 XATTRTERM, 4858 XTERMBLOCK, 4859 XTERMORDORDOR /* evil hack */ 4860 /* update exp_name[] in toke.c if adding to this enum */ 4861 } expectation; 4862 4863 /* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer 4864 special and there is no need for HINT_PRIVATE_MASK for COPs 4865 However, bitops store HINT_INTEGER in their op_private. */ 4866 #define HINT_INTEGER 0x00000001 /* integer pragma */ 4867 #define HINT_STRICT_REFS 0x00000002 /* strict pragma */ 4868 #define HINT_LOCALE 0x00000004 /* locale pragma */ 4869 #define HINT_BYTES 0x00000008 /* bytes pragma */ 4870 #define HINT_LOCALE_NOT_CHARS 0x00000010 /* locale ':not_characters' pragma */ 4871 4872 #define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */ 4873 #define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */ 4874 #define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */ 4875 4876 #define HINT_BLOCK_SCOPE 0x00000100 4877 #define HINT_STRICT_SUBS 0x00000200 /* strict pragma */ 4878 #define HINT_STRICT_VARS 0x00000400 /* strict pragma */ 4879 #define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */ 4880 4881 /* The HINT_NEW_* constants are used by the overload pragma */ 4882 #define HINT_NEW_INTEGER 0x00001000 4883 #define HINT_NEW_FLOAT 0x00002000 4884 #define HINT_NEW_BINARY 0x00004000 4885 #define HINT_NEW_STRING 0x00008000 4886 #define HINT_NEW_RE 0x00010000 4887 #define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */ 4888 #define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */ 4889 #define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */ 4890 4891 #define HINT_RE_TAINT 0x00100000 /* re pragma */ 4892 #define HINT_RE_EVAL 0x00200000 /* re pragma */ 4893 4894 #define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */ 4895 #define HINT_UTF8 0x00800000 /* utf8 pragma */ 4896 4897 #define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */ 4898 4899 #define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */ 4900 4901 #define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */ 4902 4903 /* Note: Used for NATIVE_HINTS, currently 4904 defined by vms/vmsish.h: 4905 0x40000000 4906 0x80000000 4907 */ 4908 4909 /* The following are stored in $^H{sort}, not in PL_hints */ 4910 #define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */ 4911 #define HINT_SORT_QUICKSORT 0x00000001 4912 #define HINT_SORT_MERGESORT 0x00000002 4913 #define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */ 4914 4915 /* flags for PL_sawampersand */ 4916 4917 #define SAWAMPERSAND_LEFT 1 /* saw $` */ 4918 #define SAWAMPERSAND_MIDDLE 2 /* saw $& */ 4919 #define SAWAMPERSAND_RIGHT 4 /* saw $' */ 4920 4921 #ifndef PERL_SAWAMPERSAND 4922 # define PL_sawampersand \ 4923 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT) 4924 #endif 4925 4926 /* Various states of the input record separator SV (rs) */ 4927 #define RsSNARF(sv) (! SvOK(sv)) 4928 #define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv))) 4929 #define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv)) 4930 #define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0)) 4931 4932 /* A struct for keeping various DEBUGGING related stuff, 4933 * neatly packed. Currently only scratch variables for 4934 * constructing debug output are included. Needed always, 4935 * not just when DEBUGGING, though, because of the re extension. c*/ 4936 struct perl_debug_pad { 4937 SV pad[3]; 4938 }; 4939 4940 #define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i]) 4941 #define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \ 4942 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \ 4943 PERL_DEBUG_PAD(i)) 4944 4945 /* Enable variables which are pointers to functions */ 4946 typedef void (*peep_t)(pTHX_ OP* o); 4947 typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm); 4948 typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg, 4949 char* strend, char* strbeg, I32 minend, 4950 SV* screamer, void* data, U32 flags); 4951 typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv, 4952 char *strpos, char *strend, 4953 U32 flags, 4954 re_scream_pos_data *d); 4955 typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog); 4956 typedef void (*regfree_t) (pTHX_ struct regexp* r); 4957 typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param); 4958 typedef I32 (*re_fold_t)(const char *, char const *, I32); 4959 4960 typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*); 4961 typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*); 4962 typedef void (*SVFUNC_t) (pTHX_ SV* const); 4963 typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const); 4964 typedef void (*XSINIT_t) (pTHX); 4965 typedef void (*ATEXIT_t) (pTHX_ void*); 4966 typedef void (*XSUBADDR_t) (pTHX_ CV *); 4967 4968 typedef OP* (*Perl_ppaddr_t)(pTHX); 4969 typedef OP* (*Perl_check_t) (pTHX_ OP*); 4970 typedef void(*Perl_ophook_t)(pTHX_ OP*); 4971 typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**); 4972 typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *); 4973 4974 typedef void(*globhook_t)(pTHX); 4975 4976 #define KEYWORD_PLUGIN_DECLINE 0 4977 #define KEYWORD_PLUGIN_STMT 1 4978 #define KEYWORD_PLUGIN_EXPR 2 4979 4980 /* Interpreter exitlist entry */ 4981 typedef struct exitlistentry { 4982 void (*fn) (pTHX_ void*); 4983 void *ptr; 4984 } PerlExitListEntry; 4985 4986 /* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */ 4987 /* These have to be before perlvars.h */ 4988 #if !defined(HAS_SIGACTION) && defined(VMS) 4989 # define FAKE_PERSISTENT_SIGNAL_HANDLERS 4990 #endif 4991 /* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */ 4992 #if defined(KILL_BY_SIGPRC) 4993 # define FAKE_DEFAULT_SIGNAL_HANDLERS 4994 #endif 4995 4996 #if !defined(MULTIPLICITY) 4997 4998 struct interpreter { 4999 char broiled; 5000 }; 5001 5002 #else 5003 5004 /* If we have multiple interpreters define a struct 5005 holding variables which must be per-interpreter 5006 If we don't have threads anything that would have 5007 be per-thread is per-interpreter. 5008 */ 5009 5010 /* Set up PERLVAR macros for populating structs */ 5011 # define PERLVAR(prefix,var,type) type prefix##var; 5012 5013 /* 'var' is an array of length 'n' */ 5014 # define PERLVARA(prefix,var,n,type) type prefix##var[n]; 5015 5016 /* initialize 'var' to init' */ 5017 # define PERLVARI(prefix,var,type,init) type prefix##var; 5018 5019 /* like PERLVARI, but make 'var' a const */ 5020 # define PERLVARIC(prefix,var,type,init) type prefix##var; 5021 5022 struct interpreter { 5023 # include "intrpvar.h" 5024 }; 5025 5026 EXTCONST U16 PL_interp_size 5027 INIT(sizeof(struct interpreter)); 5028 5029 # define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \ 5030 STRUCT_OFFSET(struct interpreter, member) + \ 5031 sizeof(((struct interpreter*)0)->member) 5032 5033 /* This will be useful for subsequent releases, because this has to be the 5034 same in your libperl as in main(), else you have a mismatch and must abort. 5035 */ 5036 EXTCONST U16 PL_interp_size_5_18_0 5037 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER)); 5038 5039 5040 # ifdef PERL_GLOBAL_STRUCT 5041 /* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined, 5042 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */ 5043 5044 struct perl_vars { 5045 # include "perlvars.h" 5046 }; 5047 5048 EXTCONST U16 PL_global_struct_size 5049 INIT(sizeof(struct perl_vars)); 5050 5051 # ifdef PERL_CORE 5052 # ifndef PERL_GLOBAL_STRUCT_PRIVATE 5053 EXT struct perl_vars PL_Vars; 5054 EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars); 5055 # undef PERL_GET_VARS 5056 # define PERL_GET_VARS() PL_VarsPtr 5057 # endif /* !PERL_GLOBAL_STRUCT_PRIVATE */ 5058 # else /* PERL_CORE */ 5059 # if !defined(__GNUC__) || !defined(WIN32) 5060 EXT 5061 # endif /* WIN32 */ 5062 struct perl_vars *PL_VarsPtr; 5063 # define PL_Vars (*((PL_VarsPtr) \ 5064 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX)))) 5065 # endif /* PERL_CORE */ 5066 # endif /* PERL_GLOBAL_STRUCT */ 5067 5068 /* Done with PERLVAR macros for now ... */ 5069 # undef PERLVAR 5070 # undef PERLVARA 5071 # undef PERLVARI 5072 # undef PERLVARIC 5073 5074 #endif /* MULTIPLICITY */ 5075 5076 struct tempsym; /* defined in pp_pack.c */ 5077 5078 #include "thread.h" 5079 #include "pp.h" 5080 5081 #ifndef PERL_CALLCONV 5082 # ifdef __cplusplus 5083 # define PERL_CALLCONV extern "C" 5084 # else 5085 # define PERL_CALLCONV 5086 # endif 5087 #endif 5088 #ifndef PERL_CALLCONV_NO_RET 5089 # define PERL_CALLCONV_NO_RET PERL_CALLCONV 5090 #endif 5091 5092 /* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that 5093 dont have a noreturn as a declaration specifier 5094 */ 5095 #ifndef PERL_STATIC_NO_RET 5096 # define PERL_STATIC_NO_RET STATIC 5097 #endif 5098 /* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on 5099 builds that dont have a noreturn as a declaration specifier 5100 */ 5101 #ifndef PERL_STATIC_INLINE_NO_RET 5102 # define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE 5103 #endif 5104 5105 5106 #undef PERL_CKDEF 5107 #undef PERL_PPDEF 5108 #define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o); 5109 #define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX); 5110 5111 #ifdef MYMALLOC 5112 # include "malloc_ctl.h" 5113 #endif 5114 5115 #include "proto.h" 5116 5117 /* this has structure inits, so it cannot be included before here */ 5118 #include "opcode.h" 5119 5120 /* The following must follow proto.h as #defines mess up syntax */ 5121 5122 #if !defined(PERL_FOR_X2P) 5123 # include "embedvar.h" 5124 #endif 5125 #ifndef PERL_MAD 5126 # undef PL_madskills 5127 # undef PL_xmlfp 5128 # define PL_madskills 0 5129 # define PL_xmlfp 0 5130 #endif 5131 5132 /* Now include all the 'global' variables 5133 * If we don't have threads or multiple interpreters 5134 * these include variables that would have been their struct-s 5135 */ 5136 5137 #define PERLVAR(prefix,var,type) EXT type PL_##var; 5138 #define PERLVARA(prefix,var,n,type) EXT type PL_##var[n]; 5139 #define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init); 5140 #define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init); 5141 5142 #if !defined(MULTIPLICITY) 5143 START_EXTERN_C 5144 # include "intrpvar.h" 5145 END_EXTERN_C 5146 #endif 5147 5148 #ifdef PERL_CORE 5149 /* All core uses now exterminated. Ensure no zombies can return: */ 5150 # undef PL_na 5151 #endif 5152 5153 /* Now all the config stuff is setup we can include embed.h 5154 In particular, need the relevant *ish file included already, as it may 5155 define HAVE_INTERP_INTERN */ 5156 #include "embed.h" 5157 #ifndef PERL_MAD 5158 # undef op_getmad 5159 # define op_getmad(arg,pegop,slot) NOOP 5160 #endif 5161 5162 #ifndef PERL_GLOBAL_STRUCT 5163 START_EXTERN_C 5164 5165 # include "perlvars.h" 5166 5167 END_EXTERN_C 5168 #endif 5169 5170 #undef PERLVAR 5171 #undef PERLVARA 5172 #undef PERLVARI 5173 #undef PERLVARIC 5174 5175 START_EXTERN_C 5176 5177 /* dummy variables that hold pointers to both runops functions, thus forcing 5178 * them *both* to get linked in (useful for Peek.xs, debugging etc) */ 5179 5180 EXTCONST runops_proc_t PL_runops_std 5181 INIT(Perl_runops_standard); 5182 EXTCONST runops_proc_t PL_runops_dbg 5183 INIT(Perl_runops_debug); 5184 5185 /* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the 5186 * magic vtables const, but this is incompatible with SWIG which 5187 * does want to modify the vtables. */ 5188 #ifdef PERL_GLOBAL_STRUCT_PRIVATE 5189 # define EXT_MGVTBL EXTCONST MGVTBL 5190 #else 5191 # define EXT_MGVTBL EXT MGVTBL 5192 #endif 5193 5194 #define PERL_MAGIC_READONLY_ACCEPTABLE 0x40 5195 #define PERL_MAGIC_VALUE_MAGIC 0x80 5196 #define PERL_MAGIC_VTABLE_MASK 0x3F 5197 #define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \ 5198 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE) 5199 #define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \ 5200 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC) 5201 5202 #include "mg_vtable.h" 5203 5204 #ifdef DOINIT 5205 EXTCONST U8 PL_magic_data[256] = 5206 # ifdef PERL_MICRO 5207 # include "umg_data.h" 5208 # else 5209 # include "mg_data.h" 5210 # endif 5211 ; 5212 #else 5213 EXTCONST U8 PL_magic_data[256]; 5214 #endif 5215 5216 #ifdef DOINIT 5217 /* NL BD IV NV PV PI PN MG RX GV LV AV HV CV FM IO */ 5218 EXTCONST bool 5219 PL_valid_types_IVX[] = { 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 }; 5220 EXTCONST bool 5221 PL_valid_types_NVX[] = { 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 }; 5222 EXTCONST bool 5223 PL_valid_types_PVX[] = { 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 }; 5224 EXTCONST bool 5225 PL_valid_types_RV[] = { 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 }; 5226 EXTCONST bool 5227 PL_valid_types_IV_set[] = { 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 }; 5228 EXTCONST bool 5229 PL_valid_types_NV_set[] = { 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 }; 5230 5231 #else 5232 5233 EXTCONST bool PL_valid_types_IVX[]; 5234 EXTCONST bool PL_valid_types_NVX[]; 5235 EXTCONST bool PL_valid_types_PVX[]; 5236 EXTCONST bool PL_valid_types_RV[]; 5237 EXTCONST bool PL_valid_types_IV_set[]; 5238 EXTCONST bool PL_valid_types_NV_set[]; 5239 5240 #endif 5241 5242 #ifndef PERL_NO_INLINE_FUNCTIONS 5243 /* Static inline funcs that depend on includes and declarations above. 5244 Some of these reference functions in the perl object files, and some 5245 compilers aren't smart enough to eliminate unused static inline 5246 functions, so including this file in source code can cause link errors 5247 even if the source code uses none of the functions. Hence including these 5248 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will 5249 (obviously) result in unworkable XS code, but allows simple probing code 5250 to continue to work, because it permits tests to include the perl headers 5251 for definitions without creating a link dependency on the perl library 5252 (which may not exist yet). 5253 */ 5254 5255 # include "inline.h" 5256 #endif 5257 5258 #include "overload.h" 5259 5260 END_EXTERN_C 5261 5262 struct am_table { 5263 U8 flags; 5264 U8 fallback; 5265 U16 spare; 5266 U32 was_ok_sub; 5267 CV* table[NofAMmeth]; 5268 }; 5269 struct am_table_short { 5270 U8 flags; 5271 U8 fallback; 5272 U16 spare; 5273 U32 was_ok_sub; 5274 }; 5275 typedef struct am_table AMT; 5276 typedef struct am_table_short AMTS; 5277 5278 #define AMGfallNEVER 1 5279 #define AMGfallNO 2 5280 #define AMGfallYES 3 5281 5282 #define AMTf_AMAGIC 1 5283 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC) 5284 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC) 5285 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC) 5286 5287 #define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg)) 5288 5289 /* 5290 * some compilers like to redefine cos et alia as faster 5291 * (and less accurate?) versions called F_cos et cetera (Quidquid 5292 * latine dictum sit, altum viditur.) This trick collides with 5293 * the Perl overloading (amg). The following #defines fool both. 5294 */ 5295 5296 #ifdef _FASTMATH 5297 # ifdef atan2 5298 # define F_atan2_amg atan2_amg 5299 # endif 5300 # ifdef cos 5301 # define F_cos_amg cos_amg 5302 # endif 5303 # ifdef exp 5304 # define F_exp_amg exp_amg 5305 # endif 5306 # ifdef log 5307 # define F_log_amg log_amg 5308 # endif 5309 # ifdef pow 5310 # define F_pow_amg pow_amg 5311 # endif 5312 # ifdef sin 5313 # define F_sin_amg sin_amg 5314 # endif 5315 # ifdef sqrt 5316 # define F_sqrt_amg sqrt_amg 5317 # endif 5318 #endif /* _FASTMATH */ 5319 5320 #define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \ 5321 PERLDBf_NOOPT | PERLDBf_INTER | \ 5322 PERLDBf_SUBLINE| PERLDBf_SINGLE| \ 5323 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \ 5324 PERLDBf_SAVESRC) 5325 /* No _NONAME, _GOTO */ 5326 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit */ 5327 #define PERLDBf_LINE 0x02 /* Keep line # */ 5328 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations */ 5329 #define PERLDBf_INTER 0x08 /* Preserve more data for 5330 later inspections */ 5331 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */ 5332 #define PERLDBf_SINGLE 0x20 /* Start with single-step on */ 5333 #define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */ 5334 #define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */ 5335 #define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */ 5336 #define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */ 5337 #define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */ 5338 #define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */ 5339 #define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */ 5340 5341 #define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB)) 5342 #define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE)) 5343 #define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT)) 5344 #define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER)) 5345 #define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE)) 5346 #define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE)) 5347 #define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME))) 5348 #define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO)) 5349 #define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL)) 5350 #define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON)) 5351 #define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC)) 5352 #define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS)) 5353 #define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID)) 5354 5355 #ifdef USE_LOCALE_NUMERIC 5356 5357 #define SET_NUMERIC_STANDARD() \ 5358 set_numeric_standard(); 5359 5360 #define SET_NUMERIC_LOCAL() \ 5361 set_numeric_local(); 5362 5363 /* Returns non-zero If the plain locale pragma without a parameter is in effect 5364 */ 5365 #define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE) 5366 5367 /* Returns non-zero If either form of the locale pragma is in effect */ 5368 #define IN_SOME_LOCALE_FORM_RUNTIME \ 5369 (CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS)) 5370 5371 #define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE) 5372 #define IN_SOME_LOCALE_FORM_COMPILETIME \ 5373 (PL_hints & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS)) 5374 5375 #define IN_LOCALE \ 5376 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME) 5377 #define IN_SOME_LOCALE_FORM \ 5378 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \ 5379 : IN_SOME_LOCALE_FORM_RUNTIME) 5380 5381 #define STORE_NUMERIC_LOCAL_SET_STANDARD() \ 5382 bool was_local = PL_numeric_local && IN_LOCALE; \ 5383 if (was_local) SET_NUMERIC_STANDARD(); 5384 5385 #define STORE_NUMERIC_STANDARD_SET_LOCAL() \ 5386 bool was_standard = PL_numeric_standard && IN_LOCALE; \ 5387 if (was_standard) SET_NUMERIC_LOCAL(); 5388 5389 #define RESTORE_NUMERIC_LOCAL() \ 5390 if (was_local) SET_NUMERIC_LOCAL(); 5391 5392 #define RESTORE_NUMERIC_STANDARD() \ 5393 if (was_standard) SET_NUMERIC_STANDARD(); 5394 5395 #define Atof my_atof 5396 5397 #else /* !USE_LOCALE_NUMERIC */ 5398 5399 #define SET_NUMERIC_STANDARD() /**/ 5400 #define SET_NUMERIC_LOCAL() /**/ 5401 #define IS_NUMERIC_RADIX(a, b) (0) 5402 #define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/ 5403 #define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/ 5404 #define RESTORE_NUMERIC_LOCAL() /**/ 5405 #define RESTORE_NUMERIC_STANDARD() /**/ 5406 #define Atof my_atof 5407 #define IN_LOCALE_RUNTIME 0 5408 #define IN_LOCALE_COMPILETIME 0 5409 5410 #endif /* !USE_LOCALE_NUMERIC */ 5411 5412 #if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \ 5413 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64) 5414 # ifdef __hpux 5415 # define strtoll __strtoll /* secret handshake */ 5416 # endif 5417 # ifdef WIN64 5418 # define strtoll _strtoi64 /* secret handshake */ 5419 # endif 5420 # if !defined(Strtol) && defined(HAS_STRTOLL) 5421 # define Strtol strtoll 5422 # endif 5423 # if !defined(Strtol) && defined(HAS_STRTOQ) 5424 # define Strtol strtoq 5425 # endif 5426 /* is there atoq() anywhere? */ 5427 #endif 5428 #if !defined(Strtol) && defined(HAS_STRTOL) 5429 # define Strtol strtol 5430 #endif 5431 #ifndef Atol 5432 /* It would be more fashionable to use Strtol() to define atol() 5433 * (as is done for Atoul(), see below) but for backward compatibility 5434 * we just assume atol(). */ 5435 # if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \ 5436 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64) 5437 # ifdef WIN64 5438 # define atoll _atoi64 /* secret handshake */ 5439 # endif 5440 # define Atol atoll 5441 # else 5442 # define Atol atol 5443 # endif 5444 #endif 5445 5446 #if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \ 5447 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64) 5448 # ifdef __hpux 5449 # define strtoull __strtoull /* secret handshake */ 5450 # endif 5451 # ifdef WIN64 5452 # define strtoull _strtoui64 /* secret handshake */ 5453 # endif 5454 # if !defined(Strtoul) && defined(HAS_STRTOULL) 5455 # define Strtoul strtoull 5456 # endif 5457 # if !defined(Strtoul) && defined(HAS_STRTOUQ) 5458 # define Strtoul strtouq 5459 # endif 5460 /* is there atouq() anywhere? */ 5461 #endif 5462 #if !defined(Strtoul) && defined(HAS_STRTOUL) 5463 # define Strtoul strtoul 5464 #endif 5465 #if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */ 5466 # define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b)) 5467 #endif 5468 #ifndef Atoul 5469 # define Atoul(s) Strtoul(s, NULL, 10) 5470 #endif 5471 5472 5473 /* if these never got defined, they need defaults */ 5474 #ifndef PERL_SET_CONTEXT 5475 # define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i) 5476 #endif 5477 5478 #ifndef PERL_GET_CONTEXT 5479 # define PERL_GET_CONTEXT PERL_GET_INTERP 5480 #endif 5481 5482 #ifndef PERL_GET_THX 5483 # define PERL_GET_THX ((void*)NULL) 5484 #endif 5485 5486 #ifndef PERL_SET_THX 5487 # define PERL_SET_THX(t) NOOP 5488 #endif 5489 5490 #ifndef PERL_SCRIPT_MODE 5491 #define PERL_SCRIPT_MODE "r" 5492 #endif 5493 5494 /* 5495 * Some operating systems are stingy with stack allocation, 5496 * so perl may have to guard against stack overflow. 5497 */ 5498 #ifndef PERL_STACK_OVERFLOW_CHECK 5499 #define PERL_STACK_OVERFLOW_CHECK() NOOP 5500 #endif 5501 5502 /* 5503 * Some nonpreemptive operating systems find it convenient to 5504 * check for asynchronous conditions after each op execution. 5505 * Keep this check simple, or it may slow down execution 5506 * massively. 5507 */ 5508 5509 #ifndef PERL_MICRO 5510 # ifndef PERL_ASYNC_CHECK 5511 # define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX) 5512 # endif 5513 #endif 5514 5515 #ifndef PERL_ASYNC_CHECK 5516 # define PERL_ASYNC_CHECK() NOOP 5517 #endif 5518 5519 /* 5520 * On some operating systems, a memory allocation may succeed, 5521 * but put the process too close to the system's comfort limit. 5522 * In this case, PERL_ALLOC_CHECK frees the pointer and sets 5523 * it to NULL. 5524 */ 5525 #ifndef PERL_ALLOC_CHECK 5526 #define PERL_ALLOC_CHECK(p) NOOP 5527 #endif 5528 5529 #ifdef HAS_SEM 5530 # include <sys/ipc.h> 5531 # include <sys/sem.h> 5532 # ifndef HAS_UNION_SEMUN /* Provide the union semun. */ 5533 union semun { 5534 int val; 5535 struct semid_ds *buf; 5536 unsigned short *array; 5537 }; 5538 # endif 5539 # ifdef USE_SEMCTL_SEMUN 5540 # ifdef IRIX32_SEMUN_BROKEN_BY_GCC 5541 union gccbug_semun { 5542 int val; 5543 struct semid_ds *buf; 5544 unsigned short *array; 5545 char __dummy[5]; 5546 }; 5547 # define semun gccbug_semun 5548 # endif 5549 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun) 5550 # else 5551 # ifdef USE_SEMCTL_SEMID_DS 5552 # ifdef EXTRA_F_IN_SEMUN_BUF 5553 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff) 5554 # else 5555 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf) 5556 # endif 5557 # endif 5558 # endif 5559 #endif 5560 5561 /* 5562 * Boilerplate macros for initializing and accessing interpreter-local 5563 * data from C. All statics in extensions should be reworked to use 5564 * this, if you want to make the extension thread-safe. See 5565 * ext/XS/APItest/APItest.xs for an example of the use of these macros, 5566 * and perlxs.pod for more. 5567 * 5568 * Code that uses these macros is responsible for the following: 5569 * 1. #define MY_CXT_KEY to a unique string, e.g. 5570 * "DynaLoader::_guts" XS_VERSION 5571 * XXX in the current implementation, this string is ignored. 5572 * 2. Declare a typedef named my_cxt_t that is a structure that contains 5573 * all the data that needs to be interpreter-local. 5574 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t. 5575 * 4. Use the MY_CXT_INIT macro such that it is called exactly once 5576 * (typically put in the BOOT: section). 5577 * 5. Use the members of the my_cxt_t structure everywhere as 5578 * MY_CXT.member. 5579 * 6. Use the dMY_CXT macro (a declaration) in all the functions that 5580 * access MY_CXT. 5581 */ 5582 5583 #if defined(PERL_IMPLICIT_CONTEXT) 5584 5585 /* START_MY_CXT must appear in all extensions that define a my_cxt_t structure, 5586 * right after the definition (i.e. at file scope). The non-threads 5587 * case below uses it to declare the data as static. */ 5588 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 5589 # define START_MY_CXT 5590 # define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY) 5591 # define MY_CXT_INIT_ARG MY_CXT_KEY 5592 # else 5593 # define START_MY_CXT static int my_cxt_index = -1; 5594 # define MY_CXT_INDEX my_cxt_index 5595 # define MY_CXT_INIT_ARG &my_cxt_index 5596 # endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */ 5597 5598 /* Creates and zeroes the per-interpreter data. 5599 * (We allocate my_cxtp in a Perl SV so that it will be released when 5600 * the interpreter goes away.) */ 5601 # define MY_CXT_INIT \ 5602 my_cxt_t *my_cxtp = \ 5603 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \ 5604 PERL_UNUSED_VAR(my_cxtp) 5605 # define MY_CXT_INIT_INTERP(my_perl) \ 5606 my_cxt_t *my_cxtp = \ 5607 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \ 5608 PERL_UNUSED_VAR(my_cxtp) 5609 5610 /* This declaration should be used within all functions that use the 5611 * interpreter-local data. */ 5612 # define dMY_CXT \ 5613 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX] 5614 # define dMY_CXT_INTERP(my_perl) \ 5615 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX] 5616 5617 /* Clones the per-interpreter data. */ 5618 # define MY_CXT_CLONE \ 5619 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\ 5620 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\ 5621 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \ 5622 5623 5624 /* This macro must be used to access members of the my_cxt_t structure. 5625 * e.g. MY_CXT.some_data */ 5626 # define MY_CXT (*my_cxtp) 5627 5628 /* Judicious use of these macros can reduce the number of times dMY_CXT 5629 * is used. Use is similar to pTHX, aTHX etc. */ 5630 # define pMY_CXT my_cxt_t *my_cxtp 5631 # define pMY_CXT_ pMY_CXT, 5632 # define _pMY_CXT ,pMY_CXT 5633 # define aMY_CXT my_cxtp 5634 # define aMY_CXT_ aMY_CXT, 5635 # define _aMY_CXT ,aMY_CXT 5636 5637 #else /* PERL_IMPLICIT_CONTEXT */ 5638 5639 # define START_MY_CXT static my_cxt_t my_cxt; 5640 # define dMY_CXT_SV dNOOP 5641 # define dMY_CXT dNOOP 5642 # define dMY_CXT_INTERP(my_perl) dNOOP 5643 # define MY_CXT_INIT NOOP 5644 # define MY_CXT_CLONE NOOP 5645 # define MY_CXT my_cxt 5646 5647 # define pMY_CXT void 5648 # define pMY_CXT_ 5649 # define _pMY_CXT 5650 # define aMY_CXT 5651 # define aMY_CXT_ 5652 # define _aMY_CXT 5653 5654 #endif /* !defined(PERL_IMPLICIT_CONTEXT) */ 5655 5656 #ifdef I_FCNTL 5657 # include <fcntl.h> 5658 #endif 5659 5660 #ifdef __Lynx__ 5661 # include <fcntl.h> 5662 #endif 5663 5664 #ifdef I_SYS_FILE 5665 # include <sys/file.h> 5666 #endif 5667 5668 #if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO) 5669 int flock(int fd, int op); 5670 #endif 5671 5672 #ifndef O_RDONLY 5673 /* Assume UNIX defaults */ 5674 # define O_RDONLY 0000 5675 # define O_WRONLY 0001 5676 # define O_RDWR 0002 5677 # define O_CREAT 0100 5678 #endif 5679 5680 #ifndef O_BINARY 5681 # define O_BINARY 0 5682 #endif 5683 5684 #ifndef O_TEXT 5685 # define O_TEXT 0 5686 #endif 5687 5688 #if O_TEXT != O_BINARY 5689 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop, 5690 * that is, you are somehow DOSish. */ 5691 # if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__) 5692 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect; 5693 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */ 5694 /* VOS has O_TEXT != O_BINARY, and they have effect, 5695 * but VOS always uses LF, never CRLF. */ 5696 /* If you have O_TEXT different from your O_BINARY but you still are 5697 * not a CRLF shop. */ 5698 # undef PERLIO_USING_CRLF 5699 # else 5700 /* If you really are DOSish. */ 5701 # define PERLIO_USING_CRLF 1 5702 # endif 5703 #endif 5704 5705 #ifdef I_LIBUTIL 5706 # include <libutil.h> /* setproctitle() in some FreeBSDs */ 5707 #endif 5708 5709 #ifndef EXEC_ARGV_CAST 5710 #define EXEC_ARGV_CAST(x) (char **)x 5711 #endif 5712 5713 #define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not 5714 int). value returned in pointed- 5715 to UV */ 5716 #define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */ 5717 #define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */ 5718 #define IS_NUMBER_NEG 0x08 /* leading minus sign */ 5719 #define IS_NUMBER_INFINITY 0x10 /* this is big */ 5720 #define IS_NUMBER_NAN 0x20 /* this is not */ 5721 5722 #define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send) 5723 5724 /* Input flags: */ 5725 #define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */ 5726 #define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */ 5727 #define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */ 5728 #define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large 5729 numbers which are <= UV_MAX */ 5730 /* Output flags: */ 5731 #define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */ 5732 5733 /* to let user control profiling */ 5734 #ifdef PERL_GPROF_CONTROL 5735 extern void moncontrol(int); 5736 #define PERL_GPROF_MONCONTROL(x) moncontrol(x) 5737 #else 5738 #define PERL_GPROF_MONCONTROL(x) 5739 #endif 5740 5741 #ifdef UNDER_CE 5742 #include "wince.h" 5743 #endif 5744 5745 /* ISO 6429 NEL - C1 control NExt Line */ 5746 /* See http://www.unicode.org/unicode/reports/tr13/ */ 5747 #define NEXT_LINE_CHAR NEXT_LINE_NATIVE 5748 5749 /* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */ 5750 #define UNICODE_LINE_SEPA_0 0xE2 5751 #define UNICODE_LINE_SEPA_1 0x80 5752 #define UNICODE_LINE_SEPA_2 0xA8 5753 #define UNICODE_PARA_SEPA_0 0xE2 5754 #define UNICODE_PARA_SEPA_1 0x80 5755 #define UNICODE_PARA_SEPA_2 0xA9 5756 5757 #ifndef PIPESOCK_MODE 5758 # define PIPESOCK_MODE 5759 #endif 5760 5761 #ifndef SOCKET_OPEN_MODE 5762 # define SOCKET_OPEN_MODE PIPESOCK_MODE 5763 #endif 5764 5765 #ifndef PIPE_OPEN_MODE 5766 # define PIPE_OPEN_MODE PIPESOCK_MODE 5767 #endif 5768 5769 #define PERL_MAGIC_UTF8_CACHESIZE 2 5770 5771 #define PERL_UNICODE_STDIN_FLAG 0x0001 5772 #define PERL_UNICODE_STDOUT_FLAG 0x0002 5773 #define PERL_UNICODE_STDERR_FLAG 0x0004 5774 #define PERL_UNICODE_IN_FLAG 0x0008 5775 #define PERL_UNICODE_OUT_FLAG 0x0010 5776 #define PERL_UNICODE_ARGV_FLAG 0x0020 5777 #define PERL_UNICODE_LOCALE_FLAG 0x0040 5778 #define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */ 5779 #define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100 5780 5781 #define PERL_UNICODE_STD_FLAG \ 5782 (PERL_UNICODE_STDIN_FLAG | \ 5783 PERL_UNICODE_STDOUT_FLAG | \ 5784 PERL_UNICODE_STDERR_FLAG) 5785 5786 #define PERL_UNICODE_INOUT_FLAG \ 5787 (PERL_UNICODE_IN_FLAG | \ 5788 PERL_UNICODE_OUT_FLAG) 5789 5790 #define PERL_UNICODE_DEFAULT_FLAGS \ 5791 (PERL_UNICODE_STD_FLAG | \ 5792 PERL_UNICODE_INOUT_FLAG | \ 5793 PERL_UNICODE_LOCALE_FLAG) 5794 5795 #define PERL_UNICODE_ALL_FLAGS 0x01ff 5796 5797 #define PERL_UNICODE_STDIN 'I' 5798 #define PERL_UNICODE_STDOUT 'O' 5799 #define PERL_UNICODE_STDERR 'E' 5800 #define PERL_UNICODE_STD 'S' 5801 #define PERL_UNICODE_IN 'i' 5802 #define PERL_UNICODE_OUT 'o' 5803 #define PERL_UNICODE_INOUT 'D' 5804 #define PERL_UNICODE_ARGV 'A' 5805 #define PERL_UNICODE_LOCALE 'L' 5806 #define PERL_UNICODE_WIDESYSCALLS 'W' 5807 #define PERL_UNICODE_UTF8CACHEASSERT 'a' 5808 5809 #define PERL_SIGNALS_UNSAFE_FLAG 0x0001 5810 5811 /* Use instead of abs() since abs() forces its argument to be an int, 5812 * but also beware since this evaluates its argument twice, so no x++. */ 5813 #define PERL_ABS(x) ((x) < 0 ? -(x) : (x)) 5814 5815 #if defined(__DECC) && defined(__osf__) 5816 #pragma message disable (mainparm) /* Perl uses the envp in main(). */ 5817 #endif 5818 5819 #define do_open(g, n, l, a, rm, rp, sf) \ 5820 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0) 5821 #ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION 5822 # define do_exec(cmd) do_exec3(cmd,0,0) 5823 #endif 5824 #ifdef OS2 5825 # define do_aexec Perl_do_aexec 5826 #else 5827 # define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0) 5828 #endif 5829 5830 #if defined(OEMVS) 5831 #define NO_ENV_ARRAY_IN_MAIN 5832 #endif 5833 5834 /* These are used by Perl_pv_escape() and Perl_pv_pretty() 5835 * are here so that they are available throughout the core 5836 * NOTE that even though some are for _escape and some for _pretty 5837 * there must not be any clashes as the flags from _pretty are 5838 * passed straight through to _escape. 5839 */ 5840 5841 #define PERL_PV_ESCAPE_QUOTE 0x0001 5842 #define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE 5843 5844 #define PERL_PV_PRETTY_ELLIPSES 0x0002 5845 #define PERL_PV_PRETTY_LTGT 0x0004 5846 5847 #define PERL_PV_ESCAPE_FIRSTCHAR 0x0008 5848 5849 #define PERL_PV_ESCAPE_UNI 0x0100 5850 #define PERL_PV_ESCAPE_UNI_DETECT 0x0200 5851 #define PERL_PV_ESCAPE_NONASCII 0x0400 5852 5853 #define PERL_PV_ESCAPE_ALL 0x1000 5854 #define PERL_PV_ESCAPE_NOBACKSLASH 0x2000 5855 #define PERL_PV_ESCAPE_NOCLEAR 0x4000 5856 #define PERL_PV_ESCAPE_RE 0x8000 5857 5858 #define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR 5859 5860 /* used by pv_display in dump.c*/ 5861 #define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE 5862 #define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII 5863 5864 /* 5865 5866 (KEEP THIS LAST IN perl.h!) 5867 5868 Mention 5869 5870 NV_PRESERVES_UV 5871 5872 HAS_MKSTEMP 5873 HAS_MKSTEMPS 5874 HAS_MKDTEMP 5875 5876 HAS_GETCWD 5877 5878 HAS_MMAP 5879 HAS_MPROTECT 5880 HAS_MSYNC 5881 HAS_MADVISE 5882 HAS_MUNMAP 5883 I_SYSMMAN 5884 Mmap_t 5885 5886 NVef 5887 NVff 5888 NVgf 5889 5890 HAS_UALARM 5891 HAS_USLEEP 5892 5893 HAS_SETITIMER 5894 HAS_GETITIMER 5895 5896 HAS_SENDMSG 5897 HAS_RECVMSG 5898 HAS_READV 5899 HAS_WRITEV 5900 I_SYSUIO 5901 HAS_STRUCT_MSGHDR 5902 HAS_STRUCT_CMSGHDR 5903 5904 HAS_NL_LANGINFO 5905 5906 HAS_DIRFD 5907 5908 so that Configure picks them up. 5909 5910 (KEEP THIS LAST IN perl.h!) 5911 5912 */ 5913 5914 #endif /* Include guard */ 5915 5916 /* 5917 * Local variables: 5918 * c-indentation-style: bsd 5919 * c-basic-offset: 4 5920 * indent-tabs-mode: nil 5921 * End: 5922 * 5923 * ex: set ts=8 sts=4 sw=4 et: 5924 */ 5925