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 PERL_IMPLICIT_SYS 52 /* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem 53 so use slab allocator to avoid lots of MUTEX overhead 54 */ 55 # ifndef PL_OP_SLAB_ALLOC 56 # define PL_OP_SLAB_ALLOC 57 # endif 58 #endif 59 60 #ifdef USE_ITHREADS 61 # if !defined(MULTIPLICITY) 62 # define MULTIPLICITY 63 # endif 64 #endif 65 66 #ifdef PERL_GLOBAL_STRUCT_PRIVATE 67 # ifndef PERL_GLOBAL_STRUCT 68 # define PERL_GLOBAL_STRUCT 69 # endif 70 #endif 71 72 #ifdef PERL_GLOBAL_STRUCT 73 # ifndef MULTIPLICITY 74 # define MULTIPLICITY 75 # endif 76 #endif 77 78 #ifdef MULTIPLICITY 79 # ifndef PERL_IMPLICIT_CONTEXT 80 # define PERL_IMPLICIT_CONTEXT 81 # endif 82 #endif 83 84 /* undef WIN32 when building on Cygwin (for libwin32) - gph */ 85 #ifdef __CYGWIN__ 86 # undef WIN32 87 # undef _WIN32 88 #endif 89 90 #if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS)) 91 # ifndef SYMBIAN 92 # define SYMBIAN 93 # endif 94 #endif 95 96 #ifdef __SYMBIAN32__ 97 # include "symbian/symbian_proto.h" 98 #endif 99 100 /* Any stack-challenged places. The limit varies (and often 101 * is configurable), but using more than a kilobyte of stack 102 * is usually dubious in these systems. */ 103 #if defined(EPOC) || defined(__SYMBIAN32__) 104 /* EPOC/Symbian: need to work around the SDK features. * 105 * On WINS: MS VC5 generates calls to _chkstk, * 106 * if a "large" stack frame is allocated. * 107 * gcc on MARM does not generate calls like these. */ 108 # define USE_HEAP_INSTEAD_OF_STACK 109 #endif 110 111 #/* Use the reentrant APIs like localtime_r and getpwent_r */ 112 /* Win32 has naturally threadsafe libraries, no need to use any _r variants. */ 113 #if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN) 114 # define USE_REENTRANT_API 115 #endif 116 117 /* <--- here ends the logic shared by perl.h and makedef.pl */ 118 119 /* 120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned) 121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.) 122 * __bsdi__ for BSD/OS 123 */ 124 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44) 125 # ifndef BSDish 126 # define BSDish 127 # endif 128 #endif 129 130 #undef START_EXTERN_C 131 #undef END_EXTERN_C 132 #undef EXTERN_C 133 #ifdef __cplusplus 134 # define START_EXTERN_C extern "C" { 135 # define END_EXTERN_C } 136 # define EXTERN_C extern "C" 137 #else 138 # define START_EXTERN_C 139 # define END_EXTERN_C 140 # define EXTERN_C extern 141 #endif 142 143 /* Fallback definitions in case we don't have definitions from config.h. 144 This should only matter for systems that don't use Configure and 145 haven't been modified to define PERL_STATIC_INLINE yet. 146 */ 147 #if !defined(PERL_STATIC_INLINE) 148 # ifdef HAS_STATIC_INLINE 149 # define PERL_STATIC_INLINE static inline 150 # else 151 # define PERL_STATIC_INLINE static 152 # endif 153 #endif 154 155 #ifdef PERL_GLOBAL_STRUCT 156 # ifndef PERL_GET_VARS 157 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 158 EXTERN_C struct perl_vars* Perl_GetVarsPrivate(); 159 # define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */ 160 # ifndef PERLIO_FUNCS_CONST 161 # define PERLIO_FUNCS_CONST /* Can't have these lying around. */ 162 # endif 163 # else 164 # define PERL_GET_VARS() PL_VarsPtr 165 # endif 166 # endif 167 #endif 168 169 #define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL 170 171 #ifdef PERL_GLOBAL_STRUCT 172 # define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS() 173 #else 174 # define dVAR dNOOP 175 #endif 176 177 #ifdef PERL_IMPLICIT_CONTEXT 178 # ifndef MULTIPLICITY 179 # define MULTIPLICITY 180 # endif 181 # define tTHX PerlInterpreter* 182 # define pTHX register tTHX my_perl PERL_UNUSED_DECL 183 # define aTHX my_perl 184 # ifdef PERL_GLOBAL_STRUCT 185 # define dTHXa(a) dVAR; pTHX = (tTHX)a 186 # else 187 # define dTHXa(a) pTHX = (tTHX)a 188 # endif 189 # ifdef PERL_GLOBAL_STRUCT 190 # define dTHX dVAR; pTHX = PERL_GET_THX 191 # else 192 # define dTHX pTHX = PERL_GET_THX 193 # endif 194 # define pTHX_ pTHX, 195 # define aTHX_ aTHX, 196 # define pTHX_1 2 197 # define pTHX_2 3 198 # define pTHX_3 4 199 # define pTHX_4 5 200 # define pTHX_5 6 201 # define pTHX_6 7 202 # define pTHX_7 8 203 # define pTHX_8 9 204 # define pTHX_9 10 205 # if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL) 206 # define PERL_TRACK_MEMPOOL 207 # endif 208 #else 209 # undef PERL_TRACK_MEMPOOL 210 #endif 211 212 #define STATIC static 213 214 #ifndef PERL_CORE 215 /* Do not use these macros. They were part of PERL_OBJECT, which was an 216 * implementation of multiplicity using C++ objects. They have been left 217 * here solely for the sake of XS code which has incorrectly 218 * cargo-culted them. 219 */ 220 #define CPERLscope(x) x 221 #define CPERLarg void 222 #define CPERLarg_ 223 #define _CPERLarg 224 #define PERL_OBJECT_THIS 225 #define _PERL_OBJECT_THIS 226 #define PERL_OBJECT_THIS_ 227 #define CALL_FPTR(fptr) (*fptr) 228 #define MEMBER_TO_FPTR(name) name 229 #endif /* !PERL_CORE */ 230 231 #define CALLRUNOPS PL_runops 232 233 #define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags)) 234 235 #define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags) 236 #define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \ 237 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \ 238 (strbeg),(minend),(screamer),(data),(flags)) 239 #define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \ 240 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \ 241 (strend),(flags),(data)) 242 #define CALLREG_INTUIT_STRING(prog) \ 243 RX_ENGINE(prog)->checkstr(aTHX_ (prog)) 244 245 #define CALLREGFREE(prog) \ 246 Perl_pregfree(aTHX_ (prog)) 247 248 #define CALLREGFREE_PVT(prog) \ 249 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog)) 250 251 #define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \ 252 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv)) 253 254 #define CALLREG_NUMBUF_STORE(rx,paren,value) \ 255 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value)) 256 257 #define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \ 258 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren)) 259 260 #define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \ 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH)) 262 263 #define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \ 264 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE)) 265 266 #define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \ 267 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE)) 268 269 #define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \ 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR)) 271 272 #define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \ 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS)) 274 275 #define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \ 276 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY)) 277 278 #define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \ 279 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY)) 280 281 #define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \ 282 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR)) 283 284 #define CALLREG_NAMED_BUFF_COUNT(rx) \ 285 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT) 286 287 #define CALLREG_NAMED_BUFF_ALL(rx, flags) \ 288 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags) 289 290 #define CALLREG_PACKAGE(rx) \ 291 RX_ENGINE(rx)->qr_package(aTHX_ (rx)) 292 293 #if defined(USE_ITHREADS) 294 #define CALLREGDUPE(prog,param) \ 295 Perl_re_dup(aTHX_ (prog),(param)) 296 297 #define CALLREGDUPE_PVT(prog,param) \ 298 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \ 299 : (REGEXP *)NULL) 300 #endif 301 302 303 304 305 306 /* 307 * Because of backward compatibility reasons the PERL_UNUSED_DECL 308 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh. 309 * 310 * Note that there are C compilers such as MetroWerks CodeWarrior 311 * which do not have an "inlined" way (like the gcc __attribute__) of 312 * marking unused variables (they need e.g. a #pragma) and therefore 313 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even 314 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above). 315 * 316 */ 317 318 #if defined(__SYMBIAN32__) && defined(__GNUC__) 319 # ifdef __cplusplus 320 # define PERL_UNUSED_DECL 321 # else 322 # define PERL_UNUSED_DECL __attribute__((unused)) 323 # endif 324 #endif 325 326 #ifndef PERL_UNUSED_DECL 327 # if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus) 328 # define PERL_UNUSED_DECL __attribute__unused__ 329 # else 330 # define PERL_UNUSED_DECL 331 # endif 332 #endif 333 334 /* gcc -Wall: 335 * for silencing unused variables that are actually used most of the time, 336 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs 337 */ 338 #ifndef PERL_UNUSED_ARG 339 # if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */ 340 # include <note.h> 341 # define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x)) 342 # else 343 # define PERL_UNUSED_ARG(x) ((void)x) 344 # endif 345 #endif 346 #ifndef PERL_UNUSED_VAR 347 # define PERL_UNUSED_VAR(x) ((void)x) 348 #endif 349 350 #ifdef USE_ITHREADS 351 # define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl) 352 #else 353 # define PERL_UNUSED_CONTEXT 354 #endif 355 356 #define NOOP /*EMPTY*/(void)0 357 /* cea2e8a9dd23747f accidentally lost the comment originally from the first 358 check in of thread.h, explaining why we need dNOOP at all: */ 359 /* Rats: if dTHR is just blank then the subsequent ";" throws an error */ 360 /* Declaring a *function*, instead of a variable, ensures that we don't rely 361 on being able to suppress "unused" warnings. */ 362 #define dNOOP extern int Perl___notused(void) 363 364 #ifndef pTHX 365 /* Don't bother defining tTHX and sTHX; using them outside 366 * code guarded by PERL_IMPLICIT_CONTEXT is an error. 367 */ 368 # define pTHX void 369 # define pTHX_ 370 # define aTHX 371 # define aTHX_ 372 # define dTHXa(a) dNOOP 373 # define dTHX dNOOP 374 # define pTHX_1 1 375 # define pTHX_2 2 376 # define pTHX_3 3 377 # define pTHX_4 4 378 # define pTHX_5 5 379 # define pTHX_6 6 380 # define pTHX_7 7 381 # define pTHX_8 8 382 # define pTHX_9 9 383 #endif 384 385 #ifndef dVAR 386 # define dVAR dNOOP 387 #endif 388 389 /* these are only defined for compatibility; should not be used internally */ 390 #if !defined(pTHXo) && !defined(PERL_CORE) 391 # define pTHXo pTHX 392 # define pTHXo_ pTHX_ 393 # define aTHXo aTHX 394 # define aTHXo_ aTHX_ 395 # define dTHXo dTHX 396 # define dTHXoa(x) dTHXa(x) 397 #endif 398 399 #ifndef pTHXx 400 # define pTHXx register PerlInterpreter *my_perl 401 # define pTHXx_ pTHXx, 402 # define aTHXx my_perl 403 # define aTHXx_ aTHXx, 404 # define dTHXx dTHX 405 #endif 406 407 /* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation) 408 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...). 409 * dTHXs is therefore needed for all functions using PerlIO_foo(). */ 410 #ifdef PERL_IMPLICIT_SYS 411 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 412 # define dTHXs dVAR; dTHX 413 # else 414 # define dTHXs dTHX 415 # endif 416 #else 417 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 418 # define dTHXs dVAR 419 # else 420 # define dTHXs dNOOP 421 # endif 422 #endif 423 424 /* Some platforms require marking function declarations 425 * for them to be exportable. Used in perlio.h, proto.h 426 * is handled either by the makedef.pl or by defining the 427 * PERL_CALLCONV to be something special. See also the 428 * definition of XS() in XSUB.h. */ 429 #ifndef PERL_EXPORT_C 430 # ifdef __cplusplus 431 # define PERL_EXPORT_C extern "C" 432 # else 433 # define PERL_EXPORT_C extern 434 # endif 435 #endif 436 #ifndef PERL_XS_EXPORT_C 437 # ifdef __cplusplus 438 # define PERL_XS_EXPORT_C extern "C" 439 # else 440 # define PERL_XS_EXPORT_C 441 # endif 442 #endif 443 444 #ifdef OP_IN_REGISTER 445 # ifdef __GNUC__ 446 # define stringify_immed(s) #s 447 # define stringify(s) stringify_immed(s) 448 register struct op *Perl_op asm(stringify(OP_IN_REGISTER)); 449 # endif 450 #endif 451 452 /* gcc (-ansi) -pedantic doesn't allow gcc statement expressions, 453 * g++ allows them but seems to have problems with them 454 * (insane errors ensue). 455 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2). 456 */ 457 #if defined(PERL_GCC_PEDANTIC) || \ 458 (defined(__GNUC__) && defined(__cplusplus) && \ 459 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2)))) 460 # ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN 461 # define PERL_GCC_BRACE_GROUPS_FORBIDDEN 462 # endif 463 #endif 464 465 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus) 466 # ifndef PERL_USE_GCC_BRACE_GROUPS 467 # define PERL_USE_GCC_BRACE_GROUPS 468 # endif 469 #endif 470 471 /* 472 * STMT_START { statements; } STMT_END; 473 * can be used as a single statement, as in 474 * if (x) STMT_START { ... } STMT_END; else ... 475 * 476 * Trying to select a version that gives no warnings... 477 */ 478 #if !(defined(STMT_START) && defined(STMT_END)) 479 # ifdef PERL_USE_GCC_BRACE_GROUPS 480 # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */ 481 # define STMT_END ) 482 # else 483 /* Now which other defined()s do we need here ??? */ 484 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__) 485 # define STMT_START if (1) 486 # define STMT_END else (void)0 487 # else 488 # define STMT_START do 489 # define STMT_END while (0) 490 # endif 491 # endif 492 #endif 493 494 #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */ 495 # define BYTEORDER 0x1234 496 #endif 497 498 /* Overall memory policy? */ 499 #ifndef CONSERVATIVE 500 # define LIBERAL 1 501 #endif 502 503 #if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90 504 #define ASCIIish 505 #else 506 #undef ASCIIish 507 #endif 508 509 /* 510 * The following contortions are brought to you on behalf of all the 511 * standards, semi-standards, de facto standards, not-so-de-facto standards 512 * of the world, as well as all the other botches anyone ever thought of. 513 * The basic theory is that if we work hard enough here, the rest of the 514 * code can be a lot prettier. Well, so much for theory. Sorry, Henry... 515 */ 516 517 /* define this once if either system, instead of cluttering up the src */ 518 #if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE) 519 #define DOSISH 1 520 #endif 521 522 #if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__) 523 # define STANDARD_C 1 524 #endif 525 526 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO) 527 # define DONT_DECLARE_STD 1 528 #endif 529 530 #if defined(HASVOLATILE) || defined(STANDARD_C) 531 # define VOL volatile 532 #else 533 # define VOL 534 #endif 535 536 #define TAINT (PL_tainted = TRUE) 537 #define TAINT_NOT (PL_tainted = FALSE) 538 #define TAINT_IF(c) if (c) { PL_tainted = TRUE; } 539 #define TAINT_ENV() if (PL_tainting) { taint_env(); } 540 #define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); } 541 542 /* flags used internally only within pp_subst and pp_substcont */ 543 #ifdef PERL_CORE 544 # define SUBST_TAINT_STR 1 /* string tainted */ 545 # define SUBST_TAINT_PAT 2 /* pattern tainted */ 546 # define SUBST_TAINT_REPL 4 /* replacement tainted */ 547 # define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */ 548 # define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */ 549 #endif 550 551 /* XXX All process group stuff is handled in pp_sys.c. Should these 552 defines move there? If so, I could simplify this a lot. --AD 9/96. 553 */ 554 /* Process group stuff changed from traditional BSD to POSIX. 555 perlfunc.pod documents the traditional BSD-style syntax, so we'll 556 try to preserve that, if possible. 557 */ 558 #ifdef HAS_SETPGID 559 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp)) 560 #else 561 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP) 562 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp)) 563 # else 564 # ifdef HAS_SETPGRP2 /* DG/UX */ 565 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp)) 566 # endif 567 # endif 568 #endif 569 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP) 570 # define HAS_SETPGRP /* Well, effectively it does . . . */ 571 #endif 572 573 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes 574 our life easier :-) so we'll try it. 575 */ 576 #ifdef HAS_GETPGID 577 # define BSD_GETPGRP(pid) getpgid((pid)) 578 #else 579 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP) 580 # define BSD_GETPGRP(pid) getpgrp((pid)) 581 # else 582 # ifdef HAS_GETPGRP2 /* DG/UX */ 583 # define BSD_GETPGRP(pid) getpgrp2((pid)) 584 # endif 585 # endif 586 #endif 587 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP) 588 # define HAS_GETPGRP /* Well, effectively it does . . . */ 589 #endif 590 591 /* These are not exact synonyms, since setpgrp() and getpgrp() may 592 have different behaviors, but perl.h used to define USE_BSDPGRP 593 (prior to 5.003_05) so some extension might depend on it. 594 */ 595 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP) 596 # ifndef USE_BSDPGRP 597 # define USE_BSDPGRP 598 # endif 599 #endif 600 601 /* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that 602 pthread.h must be included before all other header files. 603 */ 604 #if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD) 605 # include <pthread.h> 606 #endif 607 608 #ifndef _TYPES_ /* If types.h defines this it's easy. */ 609 # ifndef major /* Does everyone's types.h define this? */ 610 # include <sys/types.h> 611 # endif 612 #endif 613 614 #ifdef __cplusplus 615 # ifndef I_STDARG 616 # define I_STDARG 1 617 # endif 618 #endif 619 620 #ifdef I_STDARG 621 # include <stdarg.h> 622 #else 623 # ifdef I_VARARGS 624 # include <varargs.h> 625 # endif 626 #endif 627 628 #ifdef USE_NEXT_CTYPE 629 630 #if NX_CURRENT_COMPILER_RELEASE >= 500 631 # include <bsd/ctypes.h> 632 #else 633 # if NX_CURRENT_COMPILER_RELEASE >= 400 634 # include <objc/NXCType.h> 635 # else /* NX_CURRENT_COMPILER_RELEASE < 400 */ 636 # include <appkit/NXCType.h> 637 # endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */ 638 #endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */ 639 640 #else /* !USE_NEXT_CTYPE */ 641 #include <ctype.h> 642 #endif /* USE_NEXT_CTYPE */ 643 644 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */ 645 #undef METHOD 646 #endif 647 648 #ifdef PERL_MICRO 649 # define NO_LOCALE 650 #endif 651 652 #ifdef I_LOCALE 653 # include <locale.h> 654 #endif 655 656 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE) 657 # define USE_LOCALE 658 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \ 659 && defined(HAS_STRXFRM) 660 # define USE_LOCALE_COLLATE 661 # endif 662 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE) 663 # define USE_LOCALE_CTYPE 664 # endif 665 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC) 666 # define USE_LOCALE_NUMERIC 667 # endif 668 #endif /* !NO_LOCALE && HAS_SETLOCALE */ 669 670 #include <setjmp.h> 671 672 #ifdef I_SYS_PARAM 673 # ifdef PARAM_NEEDS_TYPES 674 # include <sys/types.h> 675 # endif 676 # include <sys/param.h> 677 #endif 678 679 /* Use all the "standard" definitions? */ 680 #if defined(STANDARD_C) && defined(I_STDLIB) 681 # include <stdlib.h> 682 #endif 683 684 /* If this causes problems, set i_unistd=undef in the hint file. */ 685 #ifdef I_UNISTD 686 # include <unistd.h> 687 #endif 688 689 /* for WCOREDUMP */ 690 #ifdef I_SYS_WAIT 691 # include <sys/wait.h> 692 #endif 693 694 #ifdef __SYMBIAN32__ 695 # undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */ 696 #endif 697 698 #if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO) 699 EXTERN_C int syscall(int, ...); 700 #endif 701 702 #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO) 703 EXTERN_C int usleep(unsigned int); 704 #endif 705 706 /* Funky places that do not have socket stuff. */ 707 #if defined(__LIBCATAMOUNT__) 708 # define MYSWAP 709 #endif 710 711 #ifdef PERL_MICRO /* Last chance to export Perl_my_swap */ 712 # define MYSWAP 713 #endif 714 715 #ifdef PERL_CORE 716 717 /* macros for correct constant construction */ 718 # if INTSIZE >= 2 719 # define U16_CONST(x) ((U16)x##U) 720 # else 721 # define U16_CONST(x) ((U16)x##UL) 722 # endif 723 724 # if INTSIZE >= 4 725 # define U32_CONST(x) ((U32)x##U) 726 # else 727 # define U32_CONST(x) ((U32)x##UL) 728 # endif 729 730 # ifdef HAS_QUAD 731 # if INTSIZE >= 8 732 # define U64_CONST(x) ((U64)x##U) 733 # elif LONGSIZE >= 8 734 # define U64_CONST(x) ((U64)x##UL) 735 # elif QUADKIND == QUAD_IS_LONG_LONG 736 # define U64_CONST(x) ((U64)x##ULL) 737 # else /* best guess we can make */ 738 # define U64_CONST(x) ((U64)x##UL) 739 # endif 740 # endif 741 742 /* byte-swapping functions for big-/little-endian conversion */ 743 # define _swab_16_(x) ((U16)( \ 744 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \ 745 (((U16)(x) & U16_CONST(0xff00)) >> 8) )) 746 747 # define _swab_32_(x) ((U32)( \ 748 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \ 749 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \ 750 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \ 751 (((U32)(x) & U32_CONST(0xff000000)) >> 24) )) 752 753 # ifdef HAS_QUAD 754 # define _swab_64_(x) ((U64)( \ 755 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \ 756 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \ 757 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \ 758 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \ 759 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \ 760 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \ 761 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \ 762 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) )) 763 # endif 764 765 /*----------------------------------------------------------------------------*/ 766 # if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */ 767 /*----------------------------------------------------------------------------*/ 768 # define my_htole16(x) (x) 769 # define my_letoh16(x) (x) 770 # define my_htole32(x) (x) 771 # define my_letoh32(x) (x) 772 # define my_htobe16(x) _swab_16_(x) 773 # define my_betoh16(x) _swab_16_(x) 774 # define my_htobe32(x) _swab_32_(x) 775 # define my_betoh32(x) _swab_32_(x) 776 # ifdef HAS_QUAD 777 # define my_htole64(x) (x) 778 # define my_letoh64(x) (x) 779 # define my_htobe64(x) _swab_64_(x) 780 # define my_betoh64(x) _swab_64_(x) 781 # endif 782 # define my_htoles(x) (x) 783 # define my_letohs(x) (x) 784 # define my_htolei(x) (x) 785 # define my_letohi(x) (x) 786 # define my_htolel(x) (x) 787 # define my_letohl(x) (x) 788 # if SHORTSIZE == 1 789 # define my_htobes(x) (x) 790 # define my_betohs(x) (x) 791 # elif SHORTSIZE == 2 792 # define my_htobes(x) _swab_16_(x) 793 # define my_betohs(x) _swab_16_(x) 794 # elif SHORTSIZE == 4 795 # define my_htobes(x) _swab_32_(x) 796 # define my_betohs(x) _swab_32_(x) 797 # elif SHORTSIZE == 8 798 # define my_htobes(x) _swab_64_(x) 799 # define my_betohs(x) _swab_64_(x) 800 # else 801 # define PERL_NEED_MY_HTOBES 802 # define PERL_NEED_MY_BETOHS 803 # endif 804 # if INTSIZE == 1 805 # define my_htobei(x) (x) 806 # define my_betohi(x) (x) 807 # elif INTSIZE == 2 808 # define my_htobei(x) _swab_16_(x) 809 # define my_betohi(x) _swab_16_(x) 810 # elif INTSIZE == 4 811 # define my_htobei(x) _swab_32_(x) 812 # define my_betohi(x) _swab_32_(x) 813 # elif INTSIZE == 8 814 # define my_htobei(x) _swab_64_(x) 815 # define my_betohi(x) _swab_64_(x) 816 # else 817 # define PERL_NEED_MY_HTOBEI 818 # define PERL_NEED_MY_BETOHI 819 # endif 820 # if LONGSIZE == 1 821 # define my_htobel(x) (x) 822 # define my_betohl(x) (x) 823 # elif LONGSIZE == 2 824 # define my_htobel(x) _swab_16_(x) 825 # define my_betohl(x) _swab_16_(x) 826 # elif LONGSIZE == 4 827 # define my_htobel(x) _swab_32_(x) 828 # define my_betohl(x) _swab_32_(x) 829 # elif LONGSIZE == 8 830 # define my_htobel(x) _swab_64_(x) 831 # define my_betohl(x) _swab_64_(x) 832 # else 833 # define PERL_NEED_MY_HTOBEL 834 # define PERL_NEED_MY_BETOHL 835 # endif 836 # define my_htolen(p,n) NOOP 837 # define my_letohn(p,n) NOOP 838 # define my_htoben(p,n) my_swabn(p,n) 839 # define my_betohn(p,n) my_swabn(p,n) 840 /*----------------------------------------------------------------------------*/ 841 # elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */ 842 /*----------------------------------------------------------------------------*/ 843 # define my_htobe16(x) (x) 844 # define my_betoh16(x) (x) 845 # define my_htobe32(x) (x) 846 # define my_betoh32(x) (x) 847 # define my_htole16(x) _swab_16_(x) 848 # define my_letoh16(x) _swab_16_(x) 849 # define my_htole32(x) _swab_32_(x) 850 # define my_letoh32(x) _swab_32_(x) 851 # ifdef HAS_QUAD 852 # define my_htobe64(x) (x) 853 # define my_betoh64(x) (x) 854 # define my_htole64(x) _swab_64_(x) 855 # define my_letoh64(x) _swab_64_(x) 856 # endif 857 # define my_htobes(x) (x) 858 # define my_betohs(x) (x) 859 # define my_htobei(x) (x) 860 # define my_betohi(x) (x) 861 # define my_htobel(x) (x) 862 # define my_betohl(x) (x) 863 # if SHORTSIZE == 1 864 # define my_htoles(x) (x) 865 # define my_letohs(x) (x) 866 # elif SHORTSIZE == 2 867 # define my_htoles(x) _swab_16_(x) 868 # define my_letohs(x) _swab_16_(x) 869 # elif SHORTSIZE == 4 870 # define my_htoles(x) _swab_32_(x) 871 # define my_letohs(x) _swab_32_(x) 872 # elif SHORTSIZE == 8 873 # define my_htoles(x) _swab_64_(x) 874 # define my_letohs(x) _swab_64_(x) 875 # else 876 # define PERL_NEED_MY_HTOLES 877 # define PERL_NEED_MY_LETOHS 878 # endif 879 # if INTSIZE == 1 880 # define my_htolei(x) (x) 881 # define my_letohi(x) (x) 882 # elif INTSIZE == 2 883 # define my_htolei(x) _swab_16_(x) 884 # define my_letohi(x) _swab_16_(x) 885 # elif INTSIZE == 4 886 # define my_htolei(x) _swab_32_(x) 887 # define my_letohi(x) _swab_32_(x) 888 # elif INTSIZE == 8 889 # define my_htolei(x) _swab_64_(x) 890 # define my_letohi(x) _swab_64_(x) 891 # else 892 # define PERL_NEED_MY_HTOLEI 893 # define PERL_NEED_MY_LETOHI 894 # endif 895 # if LONGSIZE == 1 896 # define my_htolel(x) (x) 897 # define my_letohl(x) (x) 898 # elif LONGSIZE == 2 899 # define my_htolel(x) _swab_16_(x) 900 # define my_letohl(x) _swab_16_(x) 901 # elif LONGSIZE == 4 902 # define my_htolel(x) _swab_32_(x) 903 # define my_letohl(x) _swab_32_(x) 904 # elif LONGSIZE == 8 905 # define my_htolel(x) _swab_64_(x) 906 # define my_letohl(x) _swab_64_(x) 907 # else 908 # define PERL_NEED_MY_HTOLEL 909 # define PERL_NEED_MY_LETOHL 910 # endif 911 # define my_htolen(p,n) my_swabn(p,n) 912 # define my_letohn(p,n) my_swabn(p,n) 913 # define my_htoben(p,n) NOOP 914 # define my_betohn(p,n) NOOP 915 /*----------------------------------------------------------------------------*/ 916 # else /* all other byte-orders */ 917 /*----------------------------------------------------------------------------*/ 918 # define PERL_NEED_MY_HTOLE16 919 # define PERL_NEED_MY_LETOH16 920 # define PERL_NEED_MY_HTOBE16 921 # define PERL_NEED_MY_BETOH16 922 # define PERL_NEED_MY_HTOLE32 923 # define PERL_NEED_MY_LETOH32 924 # define PERL_NEED_MY_HTOBE32 925 # define PERL_NEED_MY_BETOH32 926 # ifdef HAS_QUAD 927 # define PERL_NEED_MY_HTOLE64 928 # define PERL_NEED_MY_LETOH64 929 # define PERL_NEED_MY_HTOBE64 930 # define PERL_NEED_MY_BETOH64 931 # endif 932 # define PERL_NEED_MY_HTOLES 933 # define PERL_NEED_MY_LETOHS 934 # define PERL_NEED_MY_HTOBES 935 # define PERL_NEED_MY_BETOHS 936 # define PERL_NEED_MY_HTOLEI 937 # define PERL_NEED_MY_LETOHI 938 # define PERL_NEED_MY_HTOBEI 939 # define PERL_NEED_MY_BETOHI 940 # define PERL_NEED_MY_HTOLEL 941 # define PERL_NEED_MY_LETOHL 942 # define PERL_NEED_MY_HTOBEL 943 # define PERL_NEED_MY_BETOHL 944 /*----------------------------------------------------------------------------*/ 945 # endif /* end of byte-order macros */ 946 /*----------------------------------------------------------------------------*/ 947 948 /* The old value was hard coded at 1008. (4096-16) seems to be a bit faster, 949 at least on FreeBSD. YMMV, so experiment. */ 950 #ifndef PERL_ARENA_SIZE 951 #define PERL_ARENA_SIZE 4080 952 #endif 953 954 /* Maximum level of recursion */ 955 #ifndef PERL_SUB_DEPTH_WARN 956 #define PERL_SUB_DEPTH_WARN 100 957 #endif 958 959 #endif /* PERL_CORE */ 960 961 /* We no longer default to creating a new SV for GvSV. 962 Do this before embed. */ 963 #ifndef PERL_CREATE_GVSV 964 # ifndef PERL_DONT_CREATE_GVSV 965 # define PERL_DONT_CREATE_GVSV 966 # endif 967 #endif 968 969 #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME) 970 #define PERL_USES_PL_PIDSTATUS 971 #endif 972 973 #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) 974 #define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION 975 #endif 976 977 #define MEM_SIZE Size_t 978 979 /* Round all values passed to malloc up, by default to a multiple of 980 sizeof(size_t) 981 */ 982 #ifndef PERL_STRLEN_ROUNDUP_QUANTUM 983 #define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size 984 #endif 985 986 /* sv_grow() will expand strings by at least a certain percentage of 987 the previously *used* length to avoid excessive calls to realloc(). 988 The default is 25% of the current length. 989 */ 990 #ifndef PERL_STRLEN_EXPAND_SHIFT 991 # define PERL_STRLEN_EXPAND_SHIFT 2 992 #endif 993 994 #if defined(STANDARD_C) && defined(I_STDDEF) 995 # include <stddef.h> 996 # define STRUCT_OFFSET(s,m) offsetof(s,m) 997 #else 998 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m)) 999 #endif 1000 1001 #ifndef __SYMBIAN32__ 1002 # if defined(I_STRING) || defined(__cplusplus) 1003 # include <string.h> 1004 # else 1005 # include <strings.h> 1006 # endif 1007 #endif 1008 1009 /* This comes after <stdlib.h> so we don't try to change the standard 1010 * library prototypes; we'll use our own in proto.h instead. */ 1011 1012 #ifdef MYMALLOC 1013 # ifdef PERL_POLLUTE_MALLOC 1014 # ifndef PERL_EXTMALLOC_DEF 1015 # define Perl_malloc malloc 1016 # define Perl_calloc calloc 1017 # define Perl_realloc realloc 1018 # define Perl_mfree free 1019 # endif 1020 # else 1021 # define EMBEDMYMALLOC /* for compatibility */ 1022 # endif 1023 1024 # define safemalloc Perl_malloc 1025 # define safecalloc Perl_calloc 1026 # define saferealloc Perl_realloc 1027 # define safefree Perl_mfree 1028 # define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \ 1029 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \ 1030 code; \ 1031 } STMT_END 1032 # define CHECK_MALLOC_TOO_LATE_FOR(ch) \ 1033 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch)) 1034 # define panic_write2(s) write(2, s, strlen(s)) 1035 # define CHECK_MALLOC_TAINT(newval) \ 1036 CHECK_MALLOC_TOO_LATE_FOR_( \ 1037 if (newval) { \ 1038 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\ 1039 exit(1); }) 1040 # define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \ 1041 if (doing_taint(argc,argv,env)) { \ 1042 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \ 1043 }} STMT_END; 1044 #else /* MYMALLOC */ 1045 # define safemalloc safesysmalloc 1046 # define safecalloc safesyscalloc 1047 # define saferealloc safesysrealloc 1048 # define safefree safesysfree 1049 # define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0) 1050 # define CHECK_MALLOC_TAINT(newval) ((void)0) 1051 # define MALLOC_CHECK_TAINT(argc,argv,env) 1052 #endif /* MYMALLOC */ 1053 1054 /* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */ 1055 #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) 1056 #define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "") 1057 #define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}") 1058 #define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL) 1059 1060 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr) 1061 #define strchr index 1062 #define strrchr rindex 1063 #endif 1064 1065 #ifdef I_MEMORY 1066 # include <memory.h> 1067 #endif 1068 1069 #ifdef HAS_MEMCPY 1070 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) 1071 # ifndef memcpy 1072 extern char * memcpy (char*, char*, int); 1073 # endif 1074 # endif 1075 #else 1076 # ifndef memcpy 1077 # ifdef HAS_BCOPY 1078 # define memcpy(d,s,l) bcopy(s,d,l) 1079 # else 1080 # define memcpy(d,s,l) my_bcopy(s,d,l) 1081 # endif 1082 # endif 1083 #endif /* HAS_MEMCPY */ 1084 1085 #ifdef HAS_MEMSET 1086 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) 1087 # ifndef memset 1088 extern char *memset (char*, int, int); 1089 # endif 1090 # endif 1091 #else 1092 # undef memset 1093 # define memset(d,c,l) my_memset(d,c,l) 1094 #endif /* HAS_MEMSET */ 1095 1096 #if !defined(HAS_MEMMOVE) && !defined(memmove) 1097 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY) 1098 # define memmove(d,s,l) bcopy(s,d,l) 1099 # else 1100 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY) 1101 # define memmove(d,s,l) memcpy(d,s,l) 1102 # else 1103 # define memmove(d,s,l) my_bcopy(s,d,l) 1104 # endif 1105 # endif 1106 #endif 1107 1108 #if defined(mips) && defined(ultrix) && !defined(__STDC__) 1109 # undef HAS_MEMCMP 1110 #endif 1111 1112 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP) 1113 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) 1114 # ifndef memcmp 1115 extern int memcmp (char*, char*, int); 1116 # endif 1117 # endif 1118 # ifdef BUGGY_MSC 1119 # pragma function(memcmp) 1120 # endif 1121 #else 1122 # ifndef memcmp 1123 # define memcmp my_memcmp 1124 # endif 1125 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */ 1126 1127 #ifndef memzero 1128 # ifdef HAS_MEMSET 1129 # define memzero(d,l) memset(d,0,l) 1130 # else 1131 # ifdef HAS_BZERO 1132 # define memzero(d,l) bzero(d,l) 1133 # else 1134 # define memzero(d,l) my_bzero(d,l) 1135 # endif 1136 # endif 1137 #endif 1138 1139 #ifndef PERL_MICRO 1140 #ifndef memchr 1141 # ifndef HAS_MEMCHR 1142 # define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1) 1143 # endif 1144 #endif 1145 #endif 1146 1147 #ifndef HAS_BCMP 1148 # ifndef bcmp 1149 # define bcmp(s1,s2,l) memcmp(s1,s2,l) 1150 # endif 1151 #endif /* !HAS_BCMP */ 1152 1153 #ifdef I_NETINET_IN 1154 # include <netinet/in.h> 1155 #endif 1156 1157 #ifdef I_ARPA_INET 1158 # include <arpa/inet.h> 1159 #endif 1160 1161 #if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO) 1162 /* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND 1163 * (the neo-BSD seem to do this). */ 1164 # undef SF_APPEND 1165 #endif 1166 1167 #ifdef I_SYS_STAT 1168 # include <sys/stat.h> 1169 #endif 1170 1171 /* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO. 1172 This definition should ideally go into win32/win32.h, but S_IFIFO is 1173 used later here in perl.h before win32/win32.h is being included. */ 1174 #if !defined(S_IFIFO) && defined(_S_IFIFO) 1175 # define S_IFIFO _S_IFIFO 1176 #endif 1177 1178 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives 1179 like UTekV) are broken, sometimes giving false positives. Undefine 1180 them here and let the code below set them to proper values. 1181 1182 The ghs macro stands for GreenHills Software C-1.8.5 which 1183 is the C compiler for sysV88 and the various derivatives. 1184 This header file bug is corrected in gcc-2.5.8 and later versions. 1185 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */ 1186 1187 #if defined(uts) || (defined(m88k) && defined(ghs)) 1188 # undef S_ISDIR 1189 # undef S_ISCHR 1190 # undef S_ISBLK 1191 # undef S_ISREG 1192 # undef S_ISFIFO 1193 # undef S_ISLNK 1194 #endif 1195 1196 #ifdef I_TIME 1197 # include <time.h> 1198 #endif 1199 1200 #ifdef I_SYS_TIME 1201 # ifdef I_SYS_TIME_KERNEL 1202 # define KERNEL 1203 # endif 1204 # include <sys/time.h> 1205 # ifdef I_SYS_TIME_KERNEL 1206 # undef KERNEL 1207 # endif 1208 #endif 1209 1210 #if defined(HAS_TIMES) && defined(I_SYS_TIMES) 1211 # include <sys/times.h> 1212 #endif 1213 1214 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR)) 1215 # undef HAS_STRERROR 1216 #endif 1217 1218 #include <errno.h> 1219 1220 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS) 1221 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */ 1222 #endif 1223 1224 /* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one. 1225 * This is important for using IPv6. 1226 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be 1227 * a bad idea since it breaks send() and recv(). */ 1228 #if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X) 1229 # define _SOCKADDR_LEN 1230 #endif 1231 1232 #if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */ 1233 # include <sys/socket.h> 1234 # if defined(USE_SOCKS) && defined(I_SOCKS) 1235 # if !defined(INCLUDE_PROTOTYPES) 1236 # define INCLUDE_PROTOTYPES /* for <socks.h> */ 1237 # define PERL_SOCKS_NEED_PROTOTYPES 1238 # endif 1239 # include <socks.h> 1240 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */ 1241 # undef INCLUDE_PROTOTYPES 1242 # undef PERL_SOCKS_NEED_PROTOTYPES 1243 # endif 1244 # endif 1245 # ifdef I_NETDB 1246 # ifdef NETWARE 1247 # include<stdio.h> 1248 # endif 1249 # include <netdb.h> 1250 # endif 1251 # ifndef ENOTSOCK 1252 # ifdef I_NET_ERRNO 1253 # include <net/errno.h> 1254 # endif 1255 # endif 1256 #endif 1257 1258 /* sockatmark() is so new (2001) that many places might have it hidden 1259 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required 1260 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */ 1261 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO) 1262 # if defined(__THROW) && defined(__GLIBC__) 1263 int sockatmark(int) __THROW; 1264 # else 1265 int sockatmark(int); 1266 # endif 1267 #endif 1268 1269 #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. */ 1270 EXTERN_C int fchdir(int); 1271 EXTERN_C int flock(int, int); 1272 EXTERN_C int fseeko(FILE *, off_t, int); 1273 EXTERN_C off_t ftello(FILE *); 1274 #endif 1275 1276 #if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */ 1277 EXTERN_C char *crypt(const char *, const char *); 1278 EXTERN_C char **environ; 1279 #endif 1280 1281 #if defined(__cplusplus) 1282 # if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 1283 EXTERN_C char **environ; 1284 # elif defined(__CYGWIN__) 1285 EXTERN_C char *crypt(const char *, const char *); 1286 #endif 1287 #endif 1288 1289 #ifdef SETERRNO 1290 # undef SETERRNO /* SOCKS might have defined this */ 1291 #endif 1292 1293 #ifdef VMS 1294 # define SETERRNO(errcode,vmserrcode) \ 1295 STMT_START { \ 1296 set_errno(errcode); \ 1297 set_vaxc_errno(vmserrcode); \ 1298 } STMT_END 1299 # define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno 1300 # define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno 1301 # define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno ) 1302 # define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno) 1303 1304 # define LIB_INVARG LIB$_INVARG 1305 # define RMS_DIR RMS$_DIR 1306 # define RMS_FAC RMS$_FAC 1307 # define RMS_FEX RMS$_FEX 1308 # define RMS_FNF RMS$_FNF 1309 # define RMS_IFI RMS$_IFI 1310 # define RMS_ISI RMS$_ISI 1311 # define RMS_PRV RMS$_PRV 1312 # define SS_ACCVIO SS$_ACCVIO 1313 # define SS_DEVOFFLINE SS$_DEVOFFLINE 1314 # define SS_IVCHAN SS$_IVCHAN 1315 # define SS_NORMAL SS$_NORMAL 1316 #else 1317 # define SETERRNO(errcode,vmserrcode) (errno = (errcode)) 1318 # define dSAVEDERRNO int saved_errno 1319 # define dSAVE_ERRNO int saved_errno = errno 1320 # define SAVE_ERRNO (saved_errno = errno) 1321 # define RESTORE_ERRNO (errno = saved_errno) 1322 1323 # define LIB_INVARG 0 1324 # define RMS_DIR 0 1325 # define RMS_FAC 0 1326 # define RMS_FEX 0 1327 # define RMS_FNF 0 1328 # define RMS_IFI 0 1329 # define RMS_ISI 0 1330 # define RMS_PRV 0 1331 # define SS_ACCVIO 0 1332 # define SS_DEVOFFLINE 0 1333 # define SS_IVCHAN 0 1334 # define SS_NORMAL 0 1335 #endif 1336 1337 #define ERRSV GvSVn(PL_errgv) 1338 1339 #define CLEAR_ERRSV() STMT_START { \ 1340 if (!GvSV(PL_errgv)) { \ 1341 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \ 1342 } else if (SvREADONLY(GvSV(PL_errgv))) { \ 1343 SvREFCNT_dec(GvSV(PL_errgv)); \ 1344 GvSV(PL_errgv) = newSVpvs(""); \ 1345 } else { \ 1346 SV *const errsv = GvSV(PL_errgv); \ 1347 sv_setpvs(errsv, ""); \ 1348 if (SvMAGICAL(errsv)) { \ 1349 mg_free(errsv); \ 1350 } \ 1351 SvPOK_only(errsv); \ 1352 } \ 1353 } STMT_END 1354 1355 1356 #ifdef PERL_CORE 1357 # define DEFSV (0 + GvSVn(PL_defgv)) 1358 # define DEFSV_set(sv) \ 1359 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv)) 1360 # define SAVE_DEFSV \ 1361 ( \ 1362 save_gp(PL_defgv, 0), \ 1363 GvINTRO_off(PL_defgv), \ 1364 SAVEGENERICSV(GvSV(PL_defgv)), \ 1365 GvSV(PL_defgv) = NULL \ 1366 ) 1367 #else 1368 # define DEFSV GvSVn(PL_defgv) 1369 # define DEFSV_set(sv) (GvSV(PL_defgv) = (sv)) 1370 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv)) 1371 #endif 1372 1373 #define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */ 1374 1375 #ifndef errno 1376 extern int errno; /* ANSI allows errno to be an lvalue expr. 1377 * For example in multithreaded environments 1378 * something like this might happen: 1379 * extern int *_errno(void); 1380 * #define errno (*_errno()) */ 1381 #endif 1382 1383 #ifdef HAS_STRERROR 1384 # ifdef VMS 1385 char *strerror (int,...); 1386 # else 1387 #ifndef DONT_DECLARE_STD 1388 char *strerror (int); 1389 #endif 1390 # endif 1391 # ifndef Strerror 1392 # define Strerror strerror 1393 # endif 1394 #else 1395 # ifdef HAS_SYS_ERRLIST 1396 extern int sys_nerr; 1397 extern char *sys_errlist[]; 1398 # ifndef Strerror 1399 # define Strerror(e) \ 1400 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e]) 1401 # endif 1402 # endif 1403 #endif 1404 1405 #ifdef I_SYS_IOCTL 1406 # ifndef _IOCTL_ 1407 # include <sys/ioctl.h> 1408 # endif 1409 #endif 1410 1411 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000) 1412 # ifdef HAS_SOCKETPAIR 1413 # undef HAS_SOCKETPAIR 1414 # endif 1415 # ifdef I_NDBM 1416 # undef I_NDBM 1417 # endif 1418 #endif 1419 1420 #ifndef HAS_SOCKETPAIR 1421 # ifdef HAS_SOCKET 1422 # define socketpair Perl_my_socketpair 1423 # endif 1424 #endif 1425 1426 #if INTSIZE == 2 1427 # define htoni htons 1428 # define ntohi ntohs 1429 #else 1430 # define htoni htonl 1431 # define ntohi ntohl 1432 #endif 1433 1434 /* Configure already sets Direntry_t */ 1435 #if defined(I_DIRENT) 1436 # include <dirent.h> 1437 /* NeXT needs dirent + sys/dir.h */ 1438 # if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__)) 1439 # include <sys/dir.h> 1440 # endif 1441 #else 1442 # ifdef I_SYS_NDIR 1443 # include <sys/ndir.h> 1444 # else 1445 # ifdef I_SYS_DIR 1446 # ifdef hp9000s500 1447 # include <ndir.h> /* may be wrong in the future */ 1448 # else 1449 # include <sys/dir.h> 1450 # endif 1451 # endif 1452 # endif 1453 #endif 1454 1455 #ifdef PERL_MICRO 1456 # ifndef DIR 1457 # define DIR void 1458 # endif 1459 #endif 1460 1461 #ifdef FPUTS_BOTCH 1462 /* work around botch in SunOS 4.0.1 and 4.0.2 */ 1463 # ifndef fputs 1464 # define fputs(sv,fp) fprintf(fp,"%s",sv) 1465 # endif 1466 #endif 1467 1468 /* 1469 * The following gobbledygook brought to you on behalf of __STDC__. 1470 * (I could just use #ifndef __STDC__, but this is more bulletproof 1471 * in the face of half-implementations.) 1472 */ 1473 1474 #if defined(I_SYSMODE) && !defined(PERL_MICRO) 1475 #include <sys/mode.h> 1476 #endif 1477 1478 #ifndef S_IFMT 1479 # ifdef _S_IFMT 1480 # define S_IFMT _S_IFMT 1481 # else 1482 # define S_IFMT 0170000 1483 # endif 1484 #endif 1485 1486 #ifndef S_ISDIR 1487 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR) 1488 #endif 1489 1490 #ifndef S_ISCHR 1491 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR) 1492 #endif 1493 1494 #ifndef S_ISBLK 1495 # ifdef S_IFBLK 1496 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK) 1497 # else 1498 # define S_ISBLK(m) (0) 1499 # endif 1500 #endif 1501 1502 #ifndef S_ISREG 1503 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG) 1504 #endif 1505 1506 #ifndef S_ISFIFO 1507 # ifdef S_IFIFO 1508 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO) 1509 # else 1510 # define S_ISFIFO(m) (0) 1511 # endif 1512 #endif 1513 1514 #ifndef S_ISLNK 1515 # ifdef _S_ISLNK 1516 # define S_ISLNK(m) _S_ISLNK(m) 1517 # else 1518 # ifdef _S_IFLNK 1519 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK) 1520 # else 1521 # ifdef S_IFLNK 1522 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK) 1523 # else 1524 # define S_ISLNK(m) (0) 1525 # endif 1526 # endif 1527 # endif 1528 #endif 1529 1530 #ifndef S_ISSOCK 1531 # ifdef _S_ISSOCK 1532 # define S_ISSOCK(m) _S_ISSOCK(m) 1533 # else 1534 # ifdef _S_IFSOCK 1535 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK) 1536 # else 1537 # ifdef S_IFSOCK 1538 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK) 1539 # else 1540 # define S_ISSOCK(m) (0) 1541 # endif 1542 # endif 1543 # endif 1544 #endif 1545 1546 #ifndef S_IRUSR 1547 # ifdef S_IREAD 1548 # define S_IRUSR S_IREAD 1549 # define S_IWUSR S_IWRITE 1550 # define S_IXUSR S_IEXEC 1551 # else 1552 # define S_IRUSR 0400 1553 # define S_IWUSR 0200 1554 # define S_IXUSR 0100 1555 # endif 1556 #endif 1557 1558 #ifndef S_IRGRP 1559 # ifdef S_IRUSR 1560 # define S_IRGRP (S_IRUSR>>3) 1561 # define S_IWGRP (S_IWUSR>>3) 1562 # define S_IXGRP (S_IXUSR>>3) 1563 # else 1564 # define S_IRGRP 0040 1565 # define S_IWGRP 0020 1566 # define S_IXGRP 0010 1567 # endif 1568 #endif 1569 1570 #ifndef S_IROTH 1571 # ifdef S_IRUSR 1572 # define S_IROTH (S_IRUSR>>6) 1573 # define S_IWOTH (S_IWUSR>>6) 1574 # define S_IXOTH (S_IXUSR>>6) 1575 # else 1576 # define S_IROTH 0040 1577 # define S_IWOTH 0020 1578 # define S_IXOTH 0010 1579 # endif 1580 #endif 1581 1582 #ifndef S_ISUID 1583 # define S_ISUID 04000 1584 #endif 1585 1586 #ifndef S_ISGID 1587 # define S_ISGID 02000 1588 #endif 1589 1590 #ifndef S_IRWXU 1591 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR) 1592 #endif 1593 1594 #ifndef S_IRWXG 1595 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP) 1596 #endif 1597 1598 #ifndef S_IRWXO 1599 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH) 1600 #endif 1601 1602 /* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h> 1603 * which would get included through <sys/file.h >, but that is 3000 1604 * lines in the future. --jhi */ 1605 1606 #if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__)) 1607 # define S_IREAD S_IRUSR 1608 #endif 1609 1610 #if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__)) 1611 # define S_IWRITE S_IWUSR 1612 #endif 1613 1614 #ifndef S_IEXEC 1615 # define S_IEXEC S_IXUSR 1616 #endif 1617 1618 #ifdef ff_next 1619 # undef ff_next 1620 #endif 1621 1622 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr) 1623 # define SLOPPYDIVIDE 1624 #endif 1625 1626 #ifdef UV 1627 #undef UV 1628 #endif 1629 1630 #ifdef SPRINTF_E_BUG 1631 # define sprintf UTS_sprintf_wrap 1632 #endif 1633 1634 /* For the times when you want the return value of sprintf, and you want it 1635 to be the length. Can't have a thread variable passed in, because C89 has 1636 no varargs macros. 1637 */ 1638 #ifdef SPRINTF_RETURNS_STRLEN 1639 # define my_sprintf sprintf 1640 #else 1641 # define my_sprintf Perl_my_sprintf 1642 #endif 1643 1644 /* 1645 * If we have v?snprintf() and the C99 variadic macros, we can just 1646 * use just the v?snprintf(). It is nice to try to trap the buffer 1647 * overflow, however, so if we are DEBUGGING, and we cannot use the 1648 * gcc statement expressions, then use the function wrappers which try 1649 * to trap the overflow. If we can use the gcc statement expressions, 1650 * we can try that even with the version that uses the C99 variadic 1651 * macros. 1652 */ 1653 1654 /* Note that we do not check against snprintf()/vsnprintf() returning 1655 * negative values because that is non-standard behaviour and we use 1656 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and 1657 * that should be true only if the snprintf()/vsnprintf() are true 1658 * to the standard. */ 1659 1660 #if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC) 1661 # ifdef PERL_USE_GCC_BRACE_GROUPS 1662 # 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__; }) 1663 # define PERL_MY_SNPRINTF_GUARDED 1664 # else 1665 # define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__) 1666 # endif 1667 #else 1668 # define my_snprintf Perl_my_snprintf 1669 # define PERL_MY_SNPRINTF_GUARDED 1670 #endif 1671 1672 #if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC) 1673 # ifdef PERL_USE_GCC_BRACE_GROUPS 1674 # define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; }) 1675 # define PERL_MY_VSNPRINTF_GUARDED 1676 # else 1677 # define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__) 1678 # endif 1679 #else 1680 # define my_vsnprintf Perl_my_vsnprintf 1681 # define PERL_MY_VSNPRINTF_GUARDED 1682 #endif 1683 1684 #ifdef HAS_STRLCAT 1685 # define my_strlcat strlcat 1686 #else 1687 # define my_strlcat Perl_my_strlcat 1688 #endif 1689 1690 #ifdef HAS_STRLCPY 1691 # define my_strlcpy strlcpy 1692 #else 1693 # define my_strlcpy Perl_my_strlcpy 1694 #endif 1695 1696 /* Configure gets this right but the UTS compiler gets it wrong. 1697 -- Hal Morris <hom00@utsglobal.com> */ 1698 #ifdef UTS 1699 # undef UVTYPE 1700 # define UVTYPE unsigned 1701 #endif 1702 1703 /* 1704 The IV type is supposed to be long enough to hold any integral 1705 value or a pointer. 1706 --Andy Dougherty August 1996 1707 */ 1708 1709 typedef IVTYPE IV; 1710 typedef UVTYPE UV; 1711 1712 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD) 1713 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX) 1714 # define IV_MAX INT64_MAX 1715 # define IV_MIN INT64_MIN 1716 # define UV_MAX UINT64_MAX 1717 # ifndef UINT64_MIN 1718 # define UINT64_MIN 0 1719 # endif 1720 # define UV_MIN UINT64_MIN 1721 # else 1722 # define IV_MAX PERL_QUAD_MAX 1723 # define IV_MIN PERL_QUAD_MIN 1724 # define UV_MAX PERL_UQUAD_MAX 1725 # define UV_MIN PERL_UQUAD_MIN 1726 # endif 1727 # define IV_IS_QUAD 1728 # define UV_IS_QUAD 1729 #else 1730 # if defined(INT32_MAX) && IVSIZE == 4 1731 # define IV_MAX INT32_MAX 1732 # define IV_MIN INT32_MIN 1733 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */ 1734 # define UV_MAX UINT32_MAX 1735 # else 1736 # define UV_MAX 4294967295U 1737 # endif 1738 # ifndef UINT32_MIN 1739 # define UINT32_MIN 0 1740 # endif 1741 # define UV_MIN UINT32_MIN 1742 # else 1743 # define IV_MAX PERL_LONG_MAX 1744 # define IV_MIN PERL_LONG_MIN 1745 # define UV_MAX PERL_ULONG_MAX 1746 # define UV_MIN PERL_ULONG_MIN 1747 # endif 1748 # if IVSIZE == 8 1749 # define IV_IS_QUAD 1750 # define UV_IS_QUAD 1751 # ifndef HAS_QUAD 1752 # define HAS_QUAD 1753 # endif 1754 # else 1755 # undef IV_IS_QUAD 1756 # undef UV_IS_QUAD 1757 # undef HAS_QUAD 1758 # endif 1759 #endif 1760 1761 #ifndef HAS_QUAD 1762 # undef PERL_NEED_MY_HTOLE64 1763 # undef PERL_NEED_MY_LETOH64 1764 # undef PERL_NEED_MY_HTOBE64 1765 # undef PERL_NEED_MY_BETOH64 1766 #endif 1767 1768 #if defined(uts) || defined(UTS) 1769 # undef UV_MAX 1770 # define UV_MAX (4294967295u) 1771 #endif 1772 1773 #define IV_DIG (BIT_DIGITS(IVSIZE * 8)) 1774 #define UV_DIG (BIT_DIGITS(UVSIZE * 8)) 1775 1776 #ifndef NO_PERL_PRESERVE_IVUV 1777 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */ 1778 #endif 1779 1780 /* 1781 * The macros INT2PTR and NUM2PTR are (despite their names) 1782 * bi-directional: they will convert int/float to or from pointers. 1783 * However the conversion to int/float are named explicitly: 1784 * PTR2IV, PTR2UV, PTR2NV. 1785 * 1786 * For int conversions we do not need two casts if pointers are 1787 * the same size as IV and UV. Otherwise we need an explicit 1788 * cast (PTRV) to avoid compiler warnings. 1789 */ 1790 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE) 1791 # define PTRV UV 1792 # define INT2PTR(any,d) (any)(d) 1793 #else 1794 # if PTRSIZE == LONGSIZE 1795 # define PTRV unsigned long 1796 # define PTR2ul(p) (unsigned long)(p) 1797 # else 1798 # define PTRV unsigned 1799 # endif 1800 #endif 1801 1802 #ifndef INT2PTR 1803 # define INT2PTR(any,d) (any)(PTRV)(d) 1804 #endif 1805 1806 #ifndef PTR2ul 1807 # define PTR2ul(p) INT2PTR(unsigned long,p) 1808 #endif 1809 1810 #define NUM2PTR(any,d) (any)(PTRV)(d) 1811 #define PTR2IV(p) INT2PTR(IV,p) 1812 #define PTR2UV(p) INT2PTR(UV,p) 1813 #define PTR2NV(p) NUM2PTR(NV,p) 1814 #define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */ 1815 1816 /* According to strict ANSI C89 one cannot freely cast between 1817 * data pointers and function (code) pointers. There are at least 1818 * two ways around this. One (used below) is to do two casts, 1819 * first the other pointer to an (unsigned) integer, and then 1820 * the integer to the other pointer. The other way would be 1821 * to use unions to "overlay" the pointers. For an example of 1822 * the latter technique, see union dirpu in struct xpvio in sv.h. 1823 * The only feasible use is probably temporarily storing 1824 * function pointers in a data pointer (such as a void pointer). */ 1825 1826 #define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */ 1827 #define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */ 1828 1829 #ifdef USE_LONG_DOUBLE 1830 # if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE 1831 # define LONG_DOUBLE_EQUALS_DOUBLE 1832 # endif 1833 # if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE)) 1834 # undef USE_LONG_DOUBLE /* Ouch! */ 1835 # endif 1836 #endif 1837 1838 #ifdef OVR_DBL_DIG 1839 /* Use an overridden DBL_DIG */ 1840 # ifdef DBL_DIG 1841 # undef DBL_DIG 1842 # endif 1843 # define DBL_DIG OVR_DBL_DIG 1844 #else 1845 /* The following is all to get DBL_DIG, in order to pick a nice 1846 default value for printing floating point numbers in Gconvert 1847 (see config.h). (It also has other uses, such as figuring out if 1848 a given precision of printing can be done with a double instead of 1849 a long double - Allen). 1850 */ 1851 #ifdef I_LIMITS 1852 #include <limits.h> 1853 #endif 1854 #ifdef I_FLOAT 1855 #include <float.h> 1856 #endif 1857 #ifndef HAS_DBL_DIG 1858 #define DBL_DIG 15 /* A guess that works lots of places */ 1859 #endif 1860 #endif 1861 1862 #ifdef OVR_LDBL_DIG 1863 /* Use an overridden LDBL_DIG */ 1864 # ifdef LDBL_DIG 1865 # undef LDBL_DIG 1866 # endif 1867 # define LDBL_DIG OVR_LDBL_DIG 1868 #else 1869 /* The following is all to get LDBL_DIG, in order to pick a nice 1870 default value for printing floating point numbers in Gconvert. 1871 (see config.h) 1872 */ 1873 # ifdef I_LIMITS 1874 # include <limits.h> 1875 # endif 1876 # ifdef I_FLOAT 1877 # include <float.h> 1878 # endif 1879 # ifndef HAS_LDBL_DIG 1880 # if LONG_DOUBLESIZE == 10 1881 # define LDBL_DIG 18 /* assume IEEE */ 1882 # else 1883 # if LONG_DOUBLESIZE == 12 1884 # define LDBL_DIG 18 /* gcc? */ 1885 # else 1886 # if LONG_DOUBLESIZE == 16 1887 # define LDBL_DIG 33 /* assume IEEE */ 1888 # else 1889 # if LONG_DOUBLESIZE == DOUBLESIZE 1890 # define LDBL_DIG DBL_DIG /* bummer */ 1891 # endif 1892 # endif 1893 # endif 1894 # endif 1895 # endif 1896 #endif 1897 1898 /* 1899 * This is for making sure we have a good DBL_MAX value, if possible, 1900 * either for usage as NV_MAX or for usage in figuring out if we can 1901 * fit a given long double into a double, if bug-fixing makes it 1902 * necessary to do so. - Allen <allens@cpan.org> 1903 */ 1904 1905 #ifdef I_LIMITS 1906 # include <limits.h> 1907 #endif 1908 1909 #ifdef I_VALUES 1910 # if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS)) 1911 # include <values.h> 1912 # if defined(MAXDOUBLE) && !defined(DBL_MAX) 1913 # define DBL_MAX MAXDOUBLE 1914 # endif 1915 # if defined(MINDOUBLE) && !defined(DBL_MIN) 1916 # define DBL_MIN MINDOUBLE 1917 # endif 1918 # endif 1919 #endif /* defined(I_VALUES) */ 1920 1921 typedef NVTYPE NV; 1922 1923 #ifdef I_IEEEFP 1924 # include <ieeefp.h> 1925 #endif 1926 1927 #ifdef USE_LONG_DOUBLE 1928 # ifdef I_SUNMATH 1929 # include <sunmath.h> 1930 # endif 1931 # define NV_DIG LDBL_DIG 1932 # ifdef LDBL_MANT_DIG 1933 # define NV_MANT_DIG LDBL_MANT_DIG 1934 # endif 1935 # ifdef LDBL_MIN 1936 # define NV_MIN LDBL_MIN 1937 # endif 1938 # ifdef LDBL_MAX 1939 # define NV_MAX LDBL_MAX 1940 # endif 1941 # ifdef LDBL_MIN_10_EXP 1942 # define NV_MIN_10_EXP LDBL_MIN_10_EXP 1943 # endif 1944 # ifdef LDBL_MAX_10_EXP 1945 # define NV_MAX_10_EXP LDBL_MAX_10_EXP 1946 # endif 1947 # ifdef LDBL_EPSILON 1948 # define NV_EPSILON LDBL_EPSILON 1949 # endif 1950 # ifdef LDBL_MAX 1951 # define NV_MAX LDBL_MAX 1952 /* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */ 1953 # else 1954 # ifdef HUGE_VALL 1955 # define NV_MAX HUGE_VALL 1956 # else 1957 # ifdef HUGE_VAL 1958 # define NV_MAX ((NV)HUGE_VAL) 1959 # endif 1960 # endif 1961 # endif 1962 # ifdef HAS_SQRTL 1963 # define Perl_cos cosl 1964 # define Perl_sin sinl 1965 # define Perl_sqrt sqrtl 1966 # define Perl_exp expl 1967 # define Perl_log logl 1968 # define Perl_atan2 atan2l 1969 # define Perl_pow powl 1970 # define Perl_floor floorl 1971 # define Perl_ceil ceill 1972 # define Perl_fmod fmodl 1973 # endif 1974 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */ 1975 # ifdef HAS_MODFL 1976 # define Perl_modf(x,y) modfl(x,y) 1977 /* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no 1978 prototype in <math.h> */ 1979 # ifndef HAS_MODFL_PROTO 1980 EXTERN_C long double modfl(long double, long double *); 1981 # endif 1982 # else 1983 # if defined(HAS_AINTL) && defined(HAS_COPYSIGNL) 1984 extern long double Perl_my_modfl(long double x, long double *ip); 1985 # define Perl_modf(x,y) Perl_my_modfl(x,y) 1986 # endif 1987 # endif 1988 # ifdef HAS_FREXPL 1989 # define Perl_frexp(x,y) frexpl(x,y) 1990 # else 1991 # if defined(HAS_ILOGBL) && defined(HAS_SCALBNL) 1992 extern long double Perl_my_frexpl(long double x, int *e); 1993 # define Perl_frexp(x,y) Perl_my_frexpl(x,y) 1994 # endif 1995 # endif 1996 # ifndef Perl_isnan 1997 # ifdef HAS_ISNANL 1998 # define Perl_isnan(x) isnanl(x) 1999 # endif 2000 # endif 2001 # ifndef Perl_isinf 2002 # ifdef HAS_FINITEL 2003 # define Perl_isinf(x) !(finitel(x)||Perl_isnan(x)) 2004 # endif 2005 # endif 2006 #else 2007 # define NV_DIG DBL_DIG 2008 # ifdef DBL_MANT_DIG 2009 # define NV_MANT_DIG DBL_MANT_DIG 2010 # endif 2011 # ifdef DBL_MIN 2012 # define NV_MIN DBL_MIN 2013 # endif 2014 # ifdef DBL_MAX 2015 # define NV_MAX DBL_MAX 2016 # endif 2017 # ifdef DBL_MIN_10_EXP 2018 # define NV_MIN_10_EXP DBL_MIN_10_EXP 2019 # endif 2020 # ifdef DBL_MAX_10_EXP 2021 # define NV_MAX_10_EXP DBL_MAX_10_EXP 2022 # endif 2023 # ifdef DBL_EPSILON 2024 # define NV_EPSILON DBL_EPSILON 2025 # endif 2026 # ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */ 2027 # define NV_MAX DBL_MAX 2028 # define NV_MIN DBL_MIN 2029 # else 2030 # ifdef HUGE_VAL 2031 # define NV_MAX HUGE_VAL 2032 # endif 2033 # endif 2034 # define Perl_cos cos 2035 # define Perl_sin sin 2036 # define Perl_sqrt sqrt 2037 # define Perl_exp exp 2038 # define Perl_log log 2039 # define Perl_atan2 atan2 2040 # define Perl_pow pow 2041 # define Perl_floor floor 2042 # define Perl_ceil ceil 2043 # define Perl_fmod fmod 2044 # define Perl_modf(x,y) modf(x,y) 2045 # define Perl_frexp(x,y) frexp(x,y) 2046 #endif 2047 2048 /* rumor has it that Win32 has _fpclass() */ 2049 2050 /* SGI has fpclassl... but not with the same result values, 2051 * and it's via a typedef (not via #define), so will need to redo Configure 2052 * to use. Not worth the trouble, IMO, at least until the below is used 2053 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check 2054 * with me for the SGI manpages, SGI testing, etcetera, if you want to 2055 * try getting this to work with IRIX. - Allen <allens@cpan.org> */ 2056 2057 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL)) 2058 # ifdef I_IEEFP 2059 # include <ieeefp.h> 2060 # endif 2061 # ifdef I_FP 2062 # include <fp.h> 2063 # endif 2064 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL) 2065 # define Perl_fp_class() fpclassl(x) 2066 # else 2067 # define Perl_fp_class() fpclass(x) 2068 # endif 2069 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN) 2070 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN) 2071 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN) 2072 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF) 2073 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF) 2074 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF) 2075 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM) 2076 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM) 2077 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM) 2078 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM) 2079 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM) 2080 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM) 2081 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO) 2082 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO) 2083 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO) 2084 #endif 2085 2086 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO) 2087 # include <math.h> 2088 # if !defined(FP_SNAN) && defined(I_FP_CLASS) 2089 # include <fp_class.h> 2090 # endif 2091 # define Perl_fp_class(x) fp_class(x) 2092 # define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN) 2093 # define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN) 2094 # define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN) 2095 # define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF) 2096 # define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF) 2097 # define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF) 2098 # define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM) 2099 # define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM) 2100 # define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM) 2101 # define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM) 2102 # define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM) 2103 # define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM) 2104 # define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO) 2105 # define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO) 2106 # define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO) 2107 #endif 2108 2109 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY) 2110 # include <math.h> 2111 # define Perl_fp_class(x) fpclassify(x) 2112 # define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN) 2113 # define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE) 2114 # define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL) 2115 # define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL) 2116 # define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO) 2117 #endif 2118 2119 #if !defined(Perl_fp_class) && defined(HAS_CLASS) 2120 # include <math.h> 2121 # ifndef _cplusplus 2122 # define Perl_fp_class(x) class(x) 2123 # else 2124 # define Perl_fp_class(x) _class(x) 2125 # endif 2126 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS) 2127 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ) 2128 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN) 2129 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF) 2130 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF) 2131 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF) 2132 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM) 2133 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM) 2134 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM) 2135 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM) 2136 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM) 2137 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM) 2138 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO) 2139 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO) 2140 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO) 2141 #endif 2142 2143 /* rumor has it that Win32 has _isnan() */ 2144 2145 #ifndef Perl_isnan 2146 # ifdef HAS_ISNAN 2147 # define Perl_isnan(x) isnan((NV)x) 2148 # else 2149 # ifdef Perl_fp_class_nan 2150 # define Perl_isnan(x) Perl_fp_class_nan(x) 2151 # else 2152 # ifdef HAS_UNORDERED 2153 # define Perl_isnan(x) unordered((x), 0.0) 2154 # else 2155 # define Perl_isnan(x) ((x)!=(x)) 2156 # endif 2157 # endif 2158 # endif 2159 #endif 2160 2161 #ifdef UNDER_CE 2162 int isnan(double d); 2163 #endif 2164 2165 #ifndef Perl_isinf 2166 # ifdef HAS_ISINF 2167 # define Perl_isinf(x) isinf((NV)x) 2168 # else 2169 # ifdef Perl_fp_class_inf 2170 # define Perl_isinf(x) Perl_fp_class_inf(x) 2171 # else 2172 # define Perl_isinf(x) ((x)==NV_INF) 2173 # endif 2174 # endif 2175 #endif 2176 2177 #ifndef Perl_isfinite 2178 # ifdef HAS_FINITE 2179 # define Perl_isfinite(x) finite((NV)x) 2180 # else 2181 # ifdef HAS_ISFINITE 2182 # define Perl_isfinite(x) isfinite(x) 2183 # else 2184 # ifdef Perl_fp_class_finite 2185 # define Perl_isfinite(x) Perl_fp_class_finite(x) 2186 # else 2187 # define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x)) 2188 # endif 2189 # endif 2190 # endif 2191 #endif 2192 2193 /* The default is to use Perl's own atof() implementation (in numeric.c). 2194 * Usually that is the one to use but for some platforms (e.g. UNICOS) 2195 * it is however best to use the native implementation of atof. 2196 * You can experiment with using your native one by -DUSE_PERL_ATOF=0. 2197 * Some good tests to try out with either setting are t/base/num.t, 2198 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles 2199 * you may need to be using a different function than atof! */ 2200 2201 #ifndef USE_PERL_ATOF 2202 # ifndef _UNICOS 2203 # define USE_PERL_ATOF 2204 # endif 2205 #else 2206 # if USE_PERL_ATOF == 0 2207 # undef USE_PERL_ATOF 2208 # endif 2209 #endif 2210 2211 #ifdef USE_PERL_ATOF 2212 # define Perl_atof(s) Perl_my_atof(s) 2213 # define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n)) 2214 #else 2215 # define Perl_atof(s) (NV)atof(s) 2216 # define Perl_atof2(s, n) ((n) = atof(s)) 2217 #endif 2218 2219 /* Previously these definitions used hardcoded figures. 2220 * It is hoped these formula are more portable, although 2221 * no data one way or another is presently known to me. 2222 * The "PERL_" names are used because these calculated constants 2223 * do not meet the ANSI requirements for LONG_MAX, etc., which 2224 * need to be constants acceptable to #if - kja 2225 * define PERL_LONG_MAX 2147483647L 2226 * define PERL_LONG_MIN (-LONG_MAX - 1) 2227 * define PERL ULONG_MAX 4294967295L 2228 */ 2229 2230 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */ 2231 # include <limits.h> 2232 #endif 2233 /* Included values.h above if necessary; still including limits.h down here, 2234 * despite doing above, because math.h might have overridden... XXX - Allen */ 2235 2236 /* 2237 * Try to figure out max and min values for the integral types. THE CORRECT 2238 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The 2239 * following hacks are used if neither limits.h or values.h provide them: 2240 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0 2241 * for types < int: (unsigned TYPE)~(unsigned)0 2242 * The argument to ~ must be unsigned so that later signed->unsigned 2243 * conversion can't modify the value's bit pattern (e.g. -0 -> +0), 2244 * and it must not be smaller than int because ~ does integral promotion. 2245 * <type>_MAX: (<type>) (U<type>_MAX >> 1) 2246 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>. 2247 * The latter is a hack which happens to work on some machines but 2248 * does *not* catch any random system, or things like integer types 2249 * with NaN if that is possible. 2250 * 2251 * All of the types are explicitly cast to prevent accidental loss of 2252 * numeric range, and in the hope that they will be less likely to confuse 2253 * over-eager optimizers. 2254 * 2255 */ 2256 2257 #define PERL_UCHAR_MIN ((unsigned char)0) 2258 2259 #ifdef UCHAR_MAX 2260 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX) 2261 #else 2262 # ifdef MAXUCHAR 2263 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR) 2264 # else 2265 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0) 2266 # endif 2267 #endif 2268 2269 /* 2270 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be 2271 * ambiguous. It may be equivalent to (signed char) or (unsigned char) 2272 * depending on local options. Until Configure detects this (or at least 2273 * detects whether the "signed" keyword is available) the CHAR ranges 2274 * will not be included. UCHAR functions normally. 2275 * - kja 2276 */ 2277 2278 #define PERL_USHORT_MIN ((unsigned short)0) 2279 2280 #ifdef USHORT_MAX 2281 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX) 2282 #else 2283 # ifdef MAXUSHORT 2284 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT) 2285 # else 2286 # ifdef USHRT_MAX 2287 # define PERL_USHORT_MAX ((unsigned short)USHRT_MAX) 2288 # else 2289 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0) 2290 # endif 2291 # endif 2292 #endif 2293 2294 #ifdef SHORT_MAX 2295 # define PERL_SHORT_MAX ((short)SHORT_MAX) 2296 #else 2297 # ifdef MAXSHORT /* Often used in <values.h> */ 2298 # define PERL_SHORT_MAX ((short)MAXSHORT) 2299 # else 2300 # ifdef SHRT_MAX 2301 # define PERL_SHORT_MAX ((short)SHRT_MAX) 2302 # else 2303 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1)) 2304 # endif 2305 # endif 2306 #endif 2307 2308 #ifdef SHORT_MIN 2309 # define PERL_SHORT_MIN ((short)SHORT_MIN) 2310 #else 2311 # ifdef MINSHORT 2312 # define PERL_SHORT_MIN ((short)MINSHORT) 2313 # else 2314 # ifdef SHRT_MIN 2315 # define PERL_SHORT_MIN ((short)SHRT_MIN) 2316 # else 2317 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3)) 2318 # endif 2319 # endif 2320 #endif 2321 2322 #ifdef UINT_MAX 2323 # define PERL_UINT_MAX ((unsigned int)UINT_MAX) 2324 #else 2325 # ifdef MAXUINT 2326 # define PERL_UINT_MAX ((unsigned int)MAXUINT) 2327 # else 2328 # define PERL_UINT_MAX (~(unsigned int)0) 2329 # endif 2330 #endif 2331 2332 #define PERL_UINT_MIN ((unsigned int)0) 2333 2334 #ifdef INT_MAX 2335 # define PERL_INT_MAX ((int)INT_MAX) 2336 #else 2337 # ifdef MAXINT /* Often used in <values.h> */ 2338 # define PERL_INT_MAX ((int)MAXINT) 2339 # else 2340 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1)) 2341 # endif 2342 #endif 2343 2344 #ifdef INT_MIN 2345 # define PERL_INT_MIN ((int)INT_MIN) 2346 #else 2347 # ifdef MININT 2348 # define PERL_INT_MIN ((int)MININT) 2349 # else 2350 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3)) 2351 # endif 2352 #endif 2353 2354 #ifdef ULONG_MAX 2355 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX) 2356 #else 2357 # ifdef MAXULONG 2358 # define PERL_ULONG_MAX ((unsigned long)MAXULONG) 2359 # else 2360 # define PERL_ULONG_MAX (~(unsigned long)0) 2361 # endif 2362 #endif 2363 2364 #define PERL_ULONG_MIN ((unsigned long)0L) 2365 2366 #ifdef LONG_MAX 2367 # define PERL_LONG_MAX ((long)LONG_MAX) 2368 #else 2369 # ifdef MAXLONG /* Often used in <values.h> */ 2370 # define PERL_LONG_MAX ((long)MAXLONG) 2371 # else 2372 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1)) 2373 # endif 2374 #endif 2375 2376 #ifdef LONG_MIN 2377 # define PERL_LONG_MIN ((long)LONG_MIN) 2378 #else 2379 # ifdef MINLONG 2380 # define PERL_LONG_MIN ((long)MINLONG) 2381 # else 2382 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3)) 2383 # endif 2384 #endif 2385 2386 #ifdef UV_IS_QUAD 2387 2388 # define PERL_UQUAD_MAX (~(UV)0) 2389 # define PERL_UQUAD_MIN ((UV)0) 2390 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1)) 2391 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3)) 2392 2393 #endif 2394 2395 struct RExC_state_t; 2396 struct _reg_trie_data; 2397 2398 typedef MEM_SIZE STRLEN; 2399 2400 #ifdef PERL_MAD 2401 typedef struct token TOKEN; 2402 typedef struct madprop MADPROP; 2403 typedef struct nexttoken NEXTTOKE; 2404 #endif 2405 typedef struct op OP; 2406 typedef struct cop COP; 2407 typedef struct unop UNOP; 2408 typedef struct binop BINOP; 2409 typedef struct listop LISTOP; 2410 typedef struct logop LOGOP; 2411 typedef struct pmop PMOP; 2412 typedef struct svop SVOP; 2413 typedef struct padop PADOP; 2414 typedef struct pvop PVOP; 2415 typedef struct loop LOOP; 2416 2417 typedef struct block_hooks BHK; 2418 typedef struct custom_op XOP; 2419 2420 typedef struct interpreter PerlInterpreter; 2421 2422 /* Amdahl's <ksync.h> has struct sv */ 2423 /* SGI's <sys/sema.h> has struct sv */ 2424 #if defined(UTS) || defined(__sgi) 2425 # define STRUCT_SV perl_sv 2426 #else 2427 # define STRUCT_SV sv 2428 #endif 2429 typedef struct STRUCT_SV SV; 2430 typedef struct av AV; 2431 typedef struct hv HV; 2432 typedef struct cv CV; 2433 typedef struct p5rx REGEXP; 2434 typedef struct gp GP; 2435 typedef struct gv GV; 2436 typedef struct io IO; 2437 typedef struct context PERL_CONTEXT; 2438 typedef struct block BLOCK; 2439 2440 typedef struct magic MAGIC; 2441 typedef struct xpv XPV; 2442 typedef struct xpviv XPVIV; 2443 typedef struct xpvuv XPVUV; 2444 typedef struct xpvnv XPVNV; 2445 typedef struct xpvmg XPVMG; 2446 typedef struct xpvlv XPVLV; 2447 typedef struct xpvav XPVAV; 2448 typedef struct xpvhv XPVHV; 2449 typedef struct xpvgv XPVGV; 2450 typedef struct xpvcv XPVCV; 2451 typedef struct xpvbm XPVBM; 2452 typedef struct xpvfm XPVFM; 2453 typedef struct xpvio XPVIO; 2454 typedef struct mgvtbl MGVTBL; 2455 typedef union any ANY; 2456 typedef struct ptr_tbl_ent PTR_TBL_ENT_t; 2457 typedef struct ptr_tbl PTR_TBL_t; 2458 typedef struct clone_params CLONE_PARAMS; 2459 2460 #include "handy.h" 2461 2462 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO) 2463 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO) 2464 # define USE_64_BIT_RAWIO /* implicit */ 2465 # endif 2466 #endif 2467 2468 /* Notice the use of HAS_FSEEKO: now we are obligated to always use 2469 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself, 2470 * however, because operating systems like to do that themself. */ 2471 #ifndef FSEEKSIZE 2472 # ifdef HAS_FSEEKO 2473 # define FSEEKSIZE LSEEKSIZE 2474 # else 2475 # define FSEEKSIZE LONGSIZE 2476 # endif 2477 #endif 2478 2479 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO) 2480 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO) 2481 # define USE_64_BIT_STDIO /* implicit */ 2482 # endif 2483 #endif 2484 2485 #ifdef USE_64_BIT_RAWIO 2486 # ifdef HAS_OFF64_T 2487 # undef Off_t 2488 # define Off_t off64_t 2489 # undef LSEEKSIZE 2490 # define LSEEKSIZE 8 2491 # endif 2492 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that 2493 * will trigger defines like the ones below. Some 64-bit environments, 2494 * however, do not. Therefore we have to explicitly mix and match. */ 2495 # if defined(USE_OPEN64) 2496 # define open open64 2497 # endif 2498 # if defined(USE_LSEEK64) 2499 # define lseek lseek64 2500 # else 2501 # if defined(USE_LLSEEK) 2502 # define lseek llseek 2503 # endif 2504 # endif 2505 # if defined(USE_STAT64) 2506 # define stat stat64 2507 # endif 2508 # if defined(USE_FSTAT64) 2509 # define fstat fstat64 2510 # endif 2511 # if defined(USE_LSTAT64) 2512 # define lstat lstat64 2513 # endif 2514 # if defined(USE_FLOCK64) 2515 # define flock flock64 2516 # endif 2517 # if defined(USE_LOCKF64) 2518 # define lockf lockf64 2519 # endif 2520 # if defined(USE_FCNTL64) 2521 # define fcntl fcntl64 2522 # endif 2523 # if defined(USE_TRUNCATE64) 2524 # define truncate truncate64 2525 # endif 2526 # if defined(USE_FTRUNCATE64) 2527 # define ftruncate ftruncate64 2528 # endif 2529 #endif 2530 2531 #ifdef USE_64_BIT_STDIO 2532 # ifdef HAS_FPOS64_T 2533 # undef Fpos_t 2534 # define Fpos_t fpos64_t 2535 # endif 2536 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that 2537 * will trigger defines like the ones below. Some 64-bit environments, 2538 * however, do not. */ 2539 # if defined(USE_FOPEN64) 2540 # define fopen fopen64 2541 # endif 2542 # if defined(USE_FSEEK64) 2543 # define fseek fseek64 /* don't do fseeko here, see perlio.c */ 2544 # endif 2545 # if defined(USE_FTELL64) 2546 # define ftell ftell64 /* don't do ftello here, see perlio.c */ 2547 # endif 2548 # if defined(USE_FSETPOS64) 2549 # define fsetpos fsetpos64 2550 # endif 2551 # if defined(USE_FGETPOS64) 2552 # define fgetpos fgetpos64 2553 # endif 2554 # if defined(USE_TMPFILE64) 2555 # define tmpfile tmpfile64 2556 # endif 2557 # if defined(USE_FREOPEN64) 2558 # define freopen freopen64 2559 # endif 2560 #endif 2561 2562 #if defined(OS2) 2563 # include "iperlsys.h" 2564 #endif 2565 2566 #if defined(__OPEN_VM) 2567 # include "vmesa/vmesaish.h" 2568 # define ISHISH "vmesa" 2569 #endif 2570 2571 #ifdef DOSISH 2572 # if defined(OS2) 2573 # include "os2ish.h" 2574 # else 2575 # include "dosish.h" 2576 # endif 2577 # define ISHISH "dos" 2578 #endif 2579 2580 #if defined(VMS) 2581 # include "vmsish.h" 2582 # define ISHISH "vms" 2583 #endif 2584 2585 #if defined(PLAN9) 2586 # include "./plan9/plan9ish.h" 2587 # define ISHISH "plan9" 2588 #endif 2589 2590 #if defined(MPE) 2591 # include "mpeix/mpeixish.h" 2592 # define ISHISH "mpeix" 2593 #endif 2594 2595 #if defined(__VOS__) 2596 # ifdef __GNUC__ 2597 # include "./vos/vosish.h" 2598 # else 2599 # include "vos/vosish.h" 2600 # endif 2601 # define ISHISH "vos" 2602 #endif 2603 2604 #if defined(EPOC) 2605 # include "epocish.h" 2606 # define ISHISH "epoc" 2607 #endif 2608 2609 #ifdef __SYMBIAN32__ 2610 # include "symbian/symbianish.h" 2611 # define ISHISH "symbian" 2612 #endif 2613 2614 2615 #if defined(__HAIKU__) 2616 # include "haiku/haikuish.h" 2617 # define ISHISH "haiku" 2618 #elif defined(__BEOS__) 2619 # include "beos/beosish.h" 2620 # define ISHISH "beos" 2621 #endif 2622 2623 #ifndef ISHISH 2624 # include "unixish.h" 2625 # define ISHISH "unix" 2626 #endif 2627 2628 /* NSIG logic from Configure --> */ 2629 /* Strange style to avoid deeply-nested #if/#else/#endif */ 2630 #ifndef NSIG 2631 # ifdef _NSIG 2632 # define NSIG (_NSIG) 2633 # endif 2634 #endif 2635 2636 #ifndef NSIG 2637 # ifdef SIGMAX 2638 # define NSIG (SIGMAX+1) 2639 # endif 2640 #endif 2641 2642 #ifndef NSIG 2643 # ifdef SIG_MAX 2644 # define NSIG (SIG_MAX+1) 2645 # endif 2646 #endif 2647 2648 #ifndef NSIG 2649 # ifdef _SIG_MAX 2650 # define NSIG (_SIG_MAX+1) 2651 # endif 2652 #endif 2653 2654 #ifndef NSIG 2655 # ifdef MAXSIG 2656 # define NSIG (MAXSIG+1) 2657 # endif 2658 #endif 2659 2660 #ifndef NSIG 2661 # ifdef MAX_SIG 2662 # define NSIG (MAX_SIG+1) 2663 # endif 2664 #endif 2665 2666 #ifndef NSIG 2667 # ifdef SIGARRAYSIZE 2668 # define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ 2669 # endif 2670 #endif 2671 2672 #ifndef NSIG 2673 # ifdef _sys_nsig 2674 # define NSIG (_sys_nsig) /* Solaris 2.5 */ 2675 # endif 2676 #endif 2677 2678 /* Default to some arbitrary number that's big enough to get most 2679 of the common signals. 2680 */ 2681 #ifndef NSIG 2682 # define NSIG 50 2683 #endif 2684 /* <-- NSIG logic from Configure */ 2685 2686 #ifndef NO_ENVIRON_ARRAY 2687 # define USE_ENVIRON_ARRAY 2688 #endif 2689 2690 /* 2691 * initialise to avoid floating-point exceptions from overflow, etc 2692 */ 2693 #ifndef PERL_FPU_INIT 2694 # ifdef HAS_FPSETMASK 2695 # if HAS_FLOATINGPOINT_H 2696 # include <floatingpoint.h> 2697 # endif 2698 /* Some operating systems have this as a macro, which in turn expands to a comma 2699 expression, and the last sub-expression is something that gets calculated, 2700 and then they have the gall to warn that a value computed is not used. Hence 2701 cast to void. */ 2702 # define PERL_FPU_INIT (void)fpsetmask(0) 2703 # else 2704 # if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO) 2705 # define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN) 2706 # define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe); 2707 # define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); } 2708 # else 2709 # define PERL_FPU_INIT 2710 2711 # endif 2712 # endif 2713 #endif 2714 #ifndef PERL_FPU_PRE_EXEC 2715 # define PERL_FPU_PRE_EXEC { 2716 # define PERL_FPU_POST_EXEC } 2717 #endif 2718 2719 #ifndef PERL_SYS_INIT3_BODY 2720 # define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp) 2721 #endif 2722 2723 /* 2724 =for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv 2725 Provides system-specific tune up of the C runtime environment necessary to 2726 run Perl interpreters. This should be called only once, before creating 2727 any Perl interpreters. 2728 2729 =for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env 2730 Provides system-specific tune up of the C runtime environment necessary to 2731 run Perl interpreters. This should be called only once, before creating 2732 any Perl interpreters. 2733 2734 =for apidoc Am|void|PERL_SYS_TERM| 2735 Provides system-specific clean up of the C runtime environment after 2736 running Perl interpreters. This should be called only once, after 2737 freeing any remaining Perl interpreters. 2738 2739 =cut 2740 */ 2741 2742 #define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv) 2743 #define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env) 2744 #define PERL_SYS_TERM() Perl_sys_term() 2745 2746 #ifndef PERL_WRITE_MSG_TO_CONSOLE 2747 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len) 2748 #endif 2749 2750 #ifndef MAXPATHLEN 2751 # ifdef PATH_MAX 2752 # ifdef _POSIX_PATH_MAX 2753 # if PATH_MAX > _POSIX_PATH_MAX 2754 /* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX 2755 * included the null byte or not. Later amendments of POSIX, 2756 * XPG4, the Austin Group, and the Single UNIX Specification 2757 * all explicitly include the null byte in the PATH_MAX. 2758 * Ditto for _POSIX_PATH_MAX. */ 2759 # define MAXPATHLEN PATH_MAX 2760 # else 2761 # define MAXPATHLEN _POSIX_PATH_MAX 2762 # endif 2763 # else 2764 # define MAXPATHLEN (PATH_MAX+1) 2765 # endif 2766 # else 2767 # define MAXPATHLEN 1024 /* Err on the large side. */ 2768 # endif 2769 #endif 2770 2771 /* In case Configure was not used (we are using a "canned config" 2772 * such as Win32, or a cross-compilation setup, for example) try going 2773 * by the gcc major and minor versions. One useful URL is 2774 * http://www.ohse.de/uwe/articles/gcc-attributes.html, 2775 * but contrary to this information warn_unused_result seems 2776 * not to be in gcc 3.3.5, at least. --jhi 2777 * Also, when building extensions with an installed perl, this allows 2778 * the user to upgrade gcc and get the right attributes, rather than 2779 * relying on the list generated at Configure time. --AD 2780 * Set these up now otherwise we get confused when some of the <*thread.h> 2781 * includes below indirectly pull in <perlio.h> (which needs to know if we 2782 * have HASATTRIBUTE_FORMAT). 2783 */ 2784 2785 #ifndef PERL_MICRO 2786 #if defined __GNUC__ && !defined(__INTEL_COMPILER) 2787 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */ 2788 # define HASATTRIBUTE_DEPRECATED 2789 # endif 2790 # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */ 2791 # define HASATTRIBUTE_FORMAT 2792 # if defined __MINGW32__ 2793 # define PRINTF_FORMAT_NULL_OK 2794 # endif 2795 # endif 2796 # if __GNUC__ >= 3 /* 3.0 -> */ 2797 # define HASATTRIBUTE_MALLOC 2798 # endif 2799 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */ 2800 # define HASATTRIBUTE_NONNULL 2801 # endif 2802 # if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */ 2803 # define HASATTRIBUTE_NORETURN 2804 # endif 2805 # if __GNUC__ >= 3 /* gcc 3.0 -> */ 2806 # define HASATTRIBUTE_PURE 2807 # endif 2808 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */ 2809 # define HASATTRIBUTE_UNUSED 2810 # endif 2811 # if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus) 2812 # define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */ 2813 # endif 2814 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */ 2815 # define HASATTRIBUTE_WARN_UNUSED_RESULT 2816 # endif 2817 #endif 2818 #endif /* #ifndef PERL_MICRO */ 2819 2820 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes 2821 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h> 2822 * this results in many functions being undeclared which bothers C++ 2823 * May make sense to have threads after "*ish.h" anyway 2824 */ 2825 2826 #if defined(USE_ITHREADS) 2827 # ifdef NETWARE 2828 # include <nw5thread.h> 2829 # else 2830 # ifdef FAKE_THREADS 2831 # include "fakethr.h" 2832 # else 2833 # ifdef WIN32 2834 # include <win32thread.h> 2835 # else 2836 # ifdef OS2 2837 # include "os2thread.h" 2838 # else 2839 # ifdef I_MACH_CTHREADS 2840 # include <mach/cthreads.h> 2841 # if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC) 2842 # define MUTEX_INIT_CALLS_MALLOC 2843 # endif 2844 typedef cthread_t perl_os_thread; 2845 typedef mutex_t perl_mutex; 2846 typedef condition_t perl_cond; 2847 typedef void * perl_key; 2848 # else /* Posix threads */ 2849 # ifdef I_PTHREAD 2850 # include <pthread.h> 2851 # endif 2852 typedef pthread_t perl_os_thread; 2853 typedef pthread_mutex_t perl_mutex; 2854 typedef pthread_cond_t perl_cond; 2855 typedef pthread_key_t perl_key; 2856 # endif /* I_MACH_CTHREADS */ 2857 # endif /* OS2 */ 2858 # endif /* WIN32 */ 2859 # endif /* FAKE_THREADS */ 2860 #endif /* NETWARE */ 2861 #endif /* USE_ITHREADS */ 2862 2863 #if defined(WIN32) 2864 # include "win32.h" 2865 #endif 2866 2867 #ifdef NETWARE 2868 # include "netware.h" 2869 #endif 2870 2871 #define STATUS_UNIX PL_statusvalue 2872 #ifdef VMS 2873 # define STATUS_NATIVE PL_statusvalue_vms 2874 /* 2875 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise 2876 * its contents can not be trusted. Unfortunately, Perl seems to check 2877 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should 2878 * be updated also. 2879 */ 2880 # include <stsdef.h> 2881 # include <ssdef.h> 2882 /* Presume this because if VMS changes it, it will require a new 2883 * set of APIs for waiting on children for binary compatibility. 2884 */ 2885 # define child_offset_bits (8) 2886 # ifndef C_FAC_POSIX 2887 # define C_FAC_POSIX 0x35A000 2888 # endif 2889 2890 /* STATUS_EXIT - validates and returns a NATIVE exit status code for the 2891 * platform from the existing UNIX or Native status values. 2892 */ 2893 2894 # define STATUS_EXIT \ 2895 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \ 2896 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0)) 2897 2898 2899 /* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child 2900 * exit code and shifts the UNIX value over the correct number of bits to 2901 * be a child status. Usually the number of bits is 8, but that could be 2902 * platform dependent. The NATIVE status code is presumed to have either 2903 * from a child process. 2904 */ 2905 2906 /* This is complicated. The child processes return a true native VMS 2907 status which must be saved. But there is an assumption in Perl that 2908 the UNIX child status has some relationship to errno values, so 2909 Perl tries to translate it to text in some of the tests. 2910 In order to get the string translation correct, for the error, errno 2911 must be EVMSERR, but that generates a different text message 2912 than what the test programs are expecting. So an errno value must 2913 be derived from the native status value when an error occurs. 2914 That will hide the true native status message. With this version of 2915 perl, the true native child status can always be retrieved so that 2916 is not a problem. But in this case, Pl_statusvalue and errno may 2917 have different values in them. 2918 */ 2919 2920 # define STATUS_NATIVE_CHILD_SET(n) \ 2921 STMT_START { \ 2922 I32 evalue = (I32)n; \ 2923 if (evalue == EVMSERR) { \ 2924 PL_statusvalue_vms = vaxc$errno; \ 2925 PL_statusvalue = evalue; \ 2926 } else { \ 2927 PL_statusvalue_vms = evalue; \ 2928 if (evalue == -1) { \ 2929 PL_statusvalue = -1; \ 2930 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \ 2931 } else \ 2932 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \ 2933 set_vaxc_errno(evalue); \ 2934 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \ 2935 set_errno(EVMSERR); \ 2936 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \ 2937 PL_statusvalue = PL_statusvalue << child_offset_bits; \ 2938 } \ 2939 } STMT_END 2940 2941 # ifdef VMSISH_STATUS 2942 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX) 2943 # else 2944 # define STATUS_CURRENT STATUS_UNIX 2945 # endif 2946 2947 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update 2948 * the NATIVE status to an equivalent value. Can not be used to translate 2949 * exit code values as exit code values are not guaranteed to have any 2950 * relationship at all to errno values. 2951 * This is used when Perl is forcing errno to have a specific value. 2952 */ 2953 # define STATUS_UNIX_SET(n) \ 2954 STMT_START { \ 2955 I32 evalue = (I32)n; \ 2956 PL_statusvalue = evalue; \ 2957 if (PL_statusvalue != -1) { \ 2958 if (PL_statusvalue != EVMSERR) { \ 2959 PL_statusvalue &= 0xFFFF; \ 2960 if (MY_POSIX_EXIT) \ 2961 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\ 2962 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \ 2963 } \ 2964 else { \ 2965 PL_statusvalue_vms = vaxc$errno; \ 2966 } \ 2967 } \ 2968 else PL_statusvalue_vms = SS$_ABORT; \ 2969 set_vaxc_errno(PL_statusvalue_vms); \ 2970 } STMT_END 2971 2972 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets 2973 * the NATIVE error status based on it. 2974 * 2975 * When in the default mode to comply with the Perl VMS documentation, 2976 * 0 is a success and any other code sets the NATIVE status to a failure 2977 * code of SS$_ABORT. 2978 * 2979 * In the new POSIX EXIT mode, native status will be set so that the 2980 * actual exit code will can be retrieved by the calling program or 2981 * shell. 2982 * 2983 * If the exit code is not clearly a UNIX parent or child exit status, 2984 * it will be passed through as a VMS status. 2985 */ 2986 2987 # define STATUS_UNIX_EXIT_SET(n) \ 2988 STMT_START { \ 2989 I32 evalue = (I32)n; \ 2990 PL_statusvalue = evalue; \ 2991 if (MY_POSIX_EXIT) { \ 2992 if (evalue <= 0xFF00) { \ 2993 if (evalue > 0xFF) \ 2994 evalue = (evalue >> child_offset_bits) & 0xFF; \ 2995 PL_statusvalue_vms = \ 2996 (C_FAC_POSIX | (evalue << 3 ) | \ 2997 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \ 2998 } else /* forgive them Perl, for they have sinned */ \ 2999 PL_statusvalue_vms = evalue; \ 3000 } else { \ 3001 if (evalue == 0) \ 3002 PL_statusvalue_vms = SS$_NORMAL; \ 3003 else if (evalue <= 0xFF00) \ 3004 PL_statusvalue_vms = SS$_ABORT; \ 3005 else { /* forgive them Perl, for they have sinned */ \ 3006 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \ 3007 else PL_statusvalue_vms = vaxc$errno; \ 3008 /* And obviously used a VMS status value instead of UNIX */ \ 3009 PL_statusvalue = EVMSERR; \ 3010 } \ 3011 set_vaxc_errno(PL_statusvalue_vms); \ 3012 } \ 3013 } STMT_END 3014 3015 3016 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code 3017 * and sets the NATIVE error status based on it. This special case 3018 * is needed to maintain compatibility with past VMS behavior. 3019 * 3020 * In the default mode on VMS, this number is passed through as 3021 * both the NATIVE and UNIX status. Which makes it different 3022 * that the STATUS_UNIX_EXIT_SET. 3023 * 3024 * In the new POSIX EXIT mode, native status will be set so that the 3025 * actual exit code will can be retrieved by the calling program or 3026 * shell. 3027 * 3028 * A POSIX exit code is from 0 to 255. If the exit code is higher 3029 * than this, it needs to be assumed that it is a VMS exit code and 3030 * passed through. 3031 */ 3032 3033 # define STATUS_EXIT_SET(n) \ 3034 STMT_START { \ 3035 I32 evalue = (I32)n; \ 3036 PL_statusvalue = evalue; \ 3037 if (MY_POSIX_EXIT) \ 3038 if (evalue > 255) PL_statusvalue_vms = evalue; else { \ 3039 PL_statusvalue_vms = \ 3040 (C_FAC_POSIX | (evalue << 3 ) | \ 3041 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \ 3042 else \ 3043 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \ 3044 set_vaxc_errno(PL_statusvalue_vms); \ 3045 } STMT_END 3046 3047 3048 /* This macro forces a success status */ 3049 # define STATUS_ALL_SUCCESS \ 3050 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL) 3051 3052 /* This macro forces a failure status */ 3053 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, \ 3054 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \ 3055 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT) 3056 3057 #else 3058 # define STATUS_NATIVE PL_statusvalue_posix 3059 # if defined(WCOREDUMP) 3060 # define STATUS_NATIVE_CHILD_SET(n) \ 3061 STMT_START { \ 3062 PL_statusvalue_posix = (n); \ 3063 if (PL_statusvalue_posix == -1) \ 3064 PL_statusvalue = -1; \ 3065 else { \ 3066 PL_statusvalue = \ 3067 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \ 3068 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \ 3069 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \ 3070 } \ 3071 } STMT_END 3072 # elif defined(WIFEXITED) 3073 # define STATUS_NATIVE_CHILD_SET(n) \ 3074 STMT_START { \ 3075 PL_statusvalue_posix = (n); \ 3076 if (PL_statusvalue_posix == -1) \ 3077 PL_statusvalue = -1; \ 3078 else { \ 3079 PL_statusvalue = \ 3080 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \ 3081 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \ 3082 } \ 3083 } STMT_END 3084 # else 3085 # define STATUS_NATIVE_CHILD_SET(n) \ 3086 STMT_START { \ 3087 PL_statusvalue_posix = (n); \ 3088 if (PL_statusvalue_posix == -1) \ 3089 PL_statusvalue = -1; \ 3090 else { \ 3091 PL_statusvalue = \ 3092 PL_statusvalue_posix & 0xFFFF; \ 3093 } \ 3094 } STMT_END 3095 # endif 3096 # define STATUS_UNIX_SET(n) \ 3097 STMT_START { \ 3098 PL_statusvalue = (n); \ 3099 if (PL_statusvalue != -1) \ 3100 PL_statusvalue &= 0xFFFF; \ 3101 } STMT_END 3102 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n) 3103 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n) 3104 # define STATUS_CURRENT STATUS_UNIX 3105 # define STATUS_EXIT STATUS_UNIX 3106 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0) 3107 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1) 3108 #endif 3109 3110 /* flags in PL_exit_flags for nature of exit() */ 3111 #define PERL_EXIT_EXPECTED 0x01 3112 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */ 3113 3114 #ifndef PERL_CORE 3115 /* format to use for version numbers in file/directory names */ 3116 /* XXX move to Configure? */ 3117 /* This was only ever used for the current version, and that can be done at 3118 compile time, as PERL_FS_VERSION, so should we just delete it? */ 3119 # ifndef PERL_FS_VER_FMT 3120 # define PERL_FS_VER_FMT "%d.%d.%d" 3121 # endif 3122 #endif 3123 3124 #ifndef PERL_FS_VERSION 3125 # define PERL_FS_VERSION PERL_VERSION_STRING 3126 #endif 3127 3128 /* This defines a way to flush all output buffers. This may be a 3129 * performance issue, so we allow people to disable it. Also, if 3130 * we are using stdio, there are broken implementations of fflush(NULL) 3131 * out there, Solaris being the most prominent. 3132 */ 3133 #ifndef PERL_FLUSHALL_FOR_CHILD 3134 # if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO) 3135 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL) 3136 # else 3137 # ifdef FFLUSH_ALL 3138 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all() 3139 # else 3140 # define PERL_FLUSHALL_FOR_CHILD NOOP 3141 # endif 3142 # endif 3143 #endif 3144 3145 #ifndef PERL_WAIT_FOR_CHILDREN 3146 # define PERL_WAIT_FOR_CHILDREN NOOP 3147 #endif 3148 3149 /* the traditional thread-unsafe notion of "current interpreter". */ 3150 #ifndef PERL_SET_INTERP 3151 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i)) 3152 #endif 3153 3154 #ifndef PERL_GET_INTERP 3155 # define PERL_GET_INTERP (PL_curinterp) 3156 #endif 3157 3158 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX) 3159 # ifdef MULTIPLICITY 3160 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT) 3161 # endif 3162 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t) 3163 #endif 3164 3165 /* 3166 This replaces the previous %_ "hack" by the "%p" hacks. 3167 All that is required is that the perl source does not 3168 use "%-p" or "%-<number>p" or "%<number>p" formats. 3169 These formats will still work in perl code. 3170 See comments in sv.c for further details. 3171 3172 Robin Barker 2005-07-14 3173 3174 No longer use %1p for VDf = %vd. RMB 2007-10-19 3175 */ 3176 3177 #ifndef SVf_ 3178 # define SVf_(n) "-" STRINGIFY(n) "p" 3179 #endif 3180 3181 #ifndef SVf 3182 # define SVf "-p" 3183 #endif 3184 3185 #ifndef SVf32 3186 # define SVf32 SVf_(32) 3187 #endif 3188 3189 #ifndef SVf256 3190 # define SVf256 SVf_(256) 3191 #endif 3192 3193 #define SVfARG(p) ((void*)(p)) 3194 3195 #ifndef HEKf 3196 # define HEKf "2p" 3197 #endif 3198 3199 /* Not ideal, but we cannot easily include a number in an already-numeric 3200 * format sequence. */ 3201 #ifndef HEKf256 3202 # define HEKf256 "3p" 3203 #endif 3204 3205 #define HEKfARG(p) ((void*)(p)) 3206 3207 #ifdef PERL_CORE 3208 /* not used; but needed for backward compatibility with XS code? - RMB */ 3209 # undef VDf 3210 #else 3211 # ifndef VDf 3212 # define VDf "vd" 3213 # endif 3214 #endif 3215 3216 #ifdef PERL_CORE 3217 /* not used; but needed for backward compatibility with XS code? - RMB */ 3218 # undef UVf 3219 #else 3220 # ifndef UVf 3221 # define UVf UVuf 3222 # endif 3223 #endif 3224 3225 #ifdef HASATTRIBUTE_DEPRECATED 3226 # define __attribute__deprecated__ __attribute__((deprecated)) 3227 #endif 3228 #ifdef HASATTRIBUTE_FORMAT 3229 # define __attribute__format__(x,y,z) __attribute__((format(x,y,z))) 3230 #endif 3231 #ifdef HASATTRIBUTE_MALLOC 3232 # define __attribute__malloc__ __attribute__((__malloc__)) 3233 #endif 3234 #ifdef HASATTRIBUTE_NONNULL 3235 # define __attribute__nonnull__(a) __attribute__((nonnull(a))) 3236 #endif 3237 #ifdef HASATTRIBUTE_NORETURN 3238 # define __attribute__noreturn__ __attribute__((noreturn)) 3239 #endif 3240 #ifdef HASATTRIBUTE_PURE 3241 # define __attribute__pure__ __attribute__((pure)) 3242 #endif 3243 #ifdef HASATTRIBUTE_UNUSED 3244 # define __attribute__unused__ __attribute__((unused)) 3245 #endif 3246 #ifdef HASATTRIBUTE_WARN_UNUSED_RESULT 3247 # define __attribute__warn_unused_result__ __attribute__((warn_unused_result)) 3248 #endif 3249 3250 /* If we haven't defined the attributes yet, define them to blank. */ 3251 #ifndef __attribute__deprecated__ 3252 # define __attribute__deprecated__ 3253 #endif 3254 #ifndef __attribute__format__ 3255 # define __attribute__format__(x,y,z) 3256 #endif 3257 #ifndef __attribute__malloc__ 3258 # define __attribute__malloc__ 3259 #endif 3260 #ifndef __attribute__nonnull__ 3261 # define __attribute__nonnull__(a) 3262 #endif 3263 #ifndef __attribute__noreturn__ 3264 # define __attribute__noreturn__ 3265 #endif 3266 #ifndef __attribute__pure__ 3267 # define __attribute__pure__ 3268 #endif 3269 #ifndef __attribute__unused__ 3270 # define __attribute__unused__ 3271 #endif 3272 #ifndef __attribute__warn_unused_result__ 3273 # define __attribute__warn_unused_result__ 3274 #endif 3275 3276 /* For functions that are marked as __attribute__noreturn__, it's not 3277 appropriate to call return. In either case, include the lint directive. 3278 */ 3279 #ifdef HASATTRIBUTE_NORETURN 3280 # define NORETURN_FUNCTION_END /* NOTREACHED */ 3281 #else 3282 # define NORETURN_FUNCTION_END /* NOTREACHED */ return 0 3283 #endif 3284 3285 /* Some OS warn on NULL format to printf */ 3286 #ifdef PRINTF_FORMAT_NULL_OK 3287 # define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z) 3288 #else 3289 # define __attribute__format__null_ok__(x,y,z) 3290 #endif 3291 3292 #ifdef HAS_BUILTIN_EXPECT 3293 # define EXPECT(expr,val) __builtin_expect(expr,val) 3294 #else 3295 # define EXPECT(expr,val) (expr) 3296 #endif 3297 #define LIKELY(cond) EXPECT(cond,1) 3298 #define UNLIKELY(cond) EXPECT(cond,0) 3299 #ifdef HAS_BUILTIN_CHOOSE_EXPR 3300 /* placeholder */ 3301 #endif 3302 3303 /* Some unistd.h's give a prototype for pause() even though 3304 HAS_PAUSE ends up undefined. This causes the #define 3305 below to be rejected by the compiler. Sigh. 3306 */ 3307 #ifdef HAS_PAUSE 3308 #define Pause pause 3309 #else 3310 #define Pause() sleep((32767<<16)+32767) 3311 #endif 3312 3313 #ifndef IOCPARM_LEN 3314 # ifdef IOCPARM_MASK 3315 /* on BSDish systems we're safe */ 3316 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK) 3317 # else 3318 # if defined(_IOC_SIZE) && defined(__GLIBC__) 3319 /* on Linux systems we're safe; except when we're not [perl #38223] */ 3320 # define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x)) 3321 # else 3322 /* otherwise guess at what's safe */ 3323 # define IOCPARM_LEN(x) 256 3324 # endif 3325 # endif 3326 #endif 3327 3328 #if defined(__CYGWIN__) 3329 /* USEMYBINMODE 3330 * This symbol, if defined, indicates that the program should 3331 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure 3332 * that a file is in "binary" mode -- that is, that no translation 3333 * of bytes occurs on read or write operations. 3334 */ 3335 # define USEMYBINMODE /**/ 3336 # include <io.h> /* for setmode() prototype */ 3337 # define my_binmode(fp, iotype, mode) \ 3338 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE) 3339 #endif 3340 3341 #ifdef __CYGWIN__ 3342 void init_os_extras(void); 3343 #endif 3344 3345 #ifdef UNION_ANY_DEFINITION 3346 UNION_ANY_DEFINITION; 3347 #else 3348 union any { 3349 void* any_ptr; 3350 I32 any_i32; 3351 IV any_iv; 3352 UV any_uv; 3353 long any_long; 3354 bool any_bool; 3355 void (*any_dptr) (void*); 3356 void (*any_dxptr) (pTHX_ void*); 3357 }; 3358 #endif 3359 3360 typedef I32 (*filter_t) (pTHX_ int, SV *, int); 3361 3362 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len) 3363 #define FILTER_DATA(idx) \ 3364 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL) 3365 #define FILTER_ISREADER(idx) \ 3366 (PL_parser && PL_parser->rsfp_filters \ 3367 && idx >= AvFILLp(PL_parser->rsfp_filters)) 3368 #define PERL_FILTER_EXISTS(i) \ 3369 (PL_parser && PL_parser->rsfp_filters \ 3370 && (i) <= av_len(PL_parser->rsfp_filters)) 3371 3372 #if defined(_AIX) && !defined(_AIX43) 3373 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE) 3374 /* We cannot include <crypt.h> to get the struct crypt_data 3375 * because of setkey prototype problems when threading */ 3376 typedef struct crypt_data { /* straight from /usr/include/crypt.h */ 3377 /* From OSF, Not needed in AIX 3378 char C[28], D[28]; 3379 */ 3380 char E[48]; 3381 char KS[16][48]; 3382 char block[66]; 3383 char iobuf[16]; 3384 } CRYPTD; 3385 #endif /* threading */ 3386 #endif /* AIX */ 3387 3388 #if !defined(OS2) 3389 # include "iperlsys.h" 3390 #endif 3391 3392 #ifdef __LIBCATAMOUNT__ 3393 #undef HAS_PASSWD /* unixish.h but not unixish enough. */ 3394 #undef HAS_GROUP 3395 #define FAKE_BIT_BUCKET 3396 #endif 3397 3398 /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0. 3399 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT* 3400 * defined by Configure, despite their names being similar to the 3401 * other defines like USE_ITHREADS. Configure in fact knows nothing 3402 * about the randomised hashes. Therefore to enable/disable the hash 3403 * randomisation defines use the Configure -Accflags=... instead. */ 3404 #if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT) 3405 # define USE_HASH_SEED 3406 #endif 3407 3408 /* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator 3409 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so 3410 * it's not really needed. 3411 */ 3412 #if defined(WIN32) 3413 # define YYTOKENTYPE 3414 #endif 3415 #include "perly.h" 3416 3417 #ifdef PERL_MAD 3418 struct nexttoken { 3419 YYSTYPE next_val; /* value of next token, if any */ 3420 I32 next_type; /* type of next token */ 3421 MADPROP *next_mad; /* everything else about that token */ 3422 }; 3423 #endif 3424 3425 /* macros to define bit-fields in structs. */ 3426 #ifndef PERL_BITFIELD8 3427 # define PERL_BITFIELD8 unsigned 3428 #endif 3429 #ifndef PERL_BITFIELD16 3430 # define PERL_BITFIELD16 unsigned 3431 #endif 3432 #ifndef PERL_BITFIELD32 3433 # define PERL_BITFIELD32 unsigned 3434 #endif 3435 3436 #include "sv.h" 3437 #include "regexp.h" 3438 #include "util.h" 3439 #include "form.h" 3440 #include "gv.h" 3441 #include "pad.h" 3442 #include "cv.h" 3443 #include "opnames.h" 3444 #include "op.h" 3445 #include "hv.h" 3446 #include "cop.h" 3447 #include "av.h" 3448 #include "mg.h" 3449 #include "scope.h" 3450 #include "warnings.h" 3451 #include "utf8.h" 3452 3453 /* these would be in doio.h if there was such a file */ 3454 #define my_stat() my_stat_flags(SV_GMAGIC) 3455 #define my_lstat() my_lstat_flags(SV_GMAGIC) 3456 3457 /* defined in sv.c, but also used in [ach]v.c */ 3458 #undef _XPV_HEAD 3459 #undef _XPVMG_HEAD 3460 #undef _XPVCV_COMMON 3461 3462 typedef struct _sublex_info SUBLEXINFO; 3463 struct _sublex_info { 3464 U8 super_state; /* lexer state to save */ 3465 U16 sub_inwhat; /* "lex_inwhat" to use */ 3466 OP *sub_op; /* "lex_op" to use */ 3467 char *super_bufptr; /* PL_parser->bufptr that was */ 3468 char *super_bufend; /* PL_parser->bufend that was */ 3469 }; 3470 3471 #include "parser.h" 3472 3473 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */ 3474 3475 struct scan_data_t; /* Used in S_* functions in regcomp.c */ 3476 struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */ 3477 3478 struct ptr_tbl_ent { 3479 struct ptr_tbl_ent* next; 3480 const void* oldval; 3481 void* newval; 3482 }; 3483 3484 struct ptr_tbl { 3485 struct ptr_tbl_ent** tbl_ary; 3486 UV tbl_max; 3487 UV tbl_items; 3488 struct ptr_tbl_arena *tbl_arena; 3489 struct ptr_tbl_ent *tbl_arena_next; 3490 struct ptr_tbl_ent *tbl_arena_end; 3491 }; 3492 3493 #if defined(iAPX286) || defined(M_I286) || defined(I80286) 3494 # define I286 3495 #endif 3496 3497 #if defined(htonl) && !defined(HAS_HTONL) 3498 #define HAS_HTONL 3499 #endif 3500 #if defined(htons) && !defined(HAS_HTONS) 3501 #define HAS_HTONS 3502 #endif 3503 #if defined(ntohl) && !defined(HAS_NTOHL) 3504 #define HAS_NTOHL 3505 #endif 3506 #if defined(ntohs) && !defined(HAS_NTOHS) 3507 #define HAS_NTOHS 3508 #endif 3509 #ifndef HAS_HTONL 3510 #if (BYTEORDER & 0xffff) != 0x4321 3511 #define HAS_HTONS 3512 #define HAS_HTONL 3513 #define HAS_NTOHS 3514 #define HAS_NTOHL 3515 #define MYSWAP 3516 #define htons my_swap 3517 #define htonl my_htonl 3518 #define ntohs my_swap 3519 #define ntohl my_ntohl 3520 #endif 3521 #else 3522 #if (BYTEORDER & 0xffff) == 0x4321 3523 #undef HAS_HTONS 3524 #undef HAS_HTONL 3525 #undef HAS_NTOHS 3526 #undef HAS_NTOHL 3527 #endif 3528 #endif 3529 3530 /* 3531 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'. 3532 * -DWS 3533 */ 3534 #if BYTEORDER != 0x1234 3535 # define HAS_VTOHL 3536 # define HAS_VTOHS 3537 # define HAS_HTOVL 3538 # define HAS_HTOVS 3539 # if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 3540 # define vtohl(x) ((((x)&0xFF)<<24) \ 3541 +(((x)>>24)&0xFF) \ 3542 +(((x)&0x0000FF00)<<8) \ 3543 +(((x)&0x00FF0000)>>8) ) 3544 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF)) 3545 # define htovl(x) vtohl(x) 3546 # define htovs(x) vtohs(x) 3547 # endif 3548 /* otherwise default to functions in util.c */ 3549 #ifndef htovs 3550 short htovs(short n); 3551 short vtohs(short n); 3552 long htovl(long n); 3553 long vtohl(long n); 3554 #endif 3555 #endif 3556 3557 /* *MAX Plus 1. A floating point value. 3558 Hopefully expressed in a way that dodgy floating point can't mess up. 3559 >> 2 rather than 1, so that value is safely less than I32_MAX after 1 3560 is added to it 3561 May find that some broken compiler will want the value cast to I32. 3562 [after the shift, as signed >> may not be as secure as unsigned >>] 3563 */ 3564 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1))) 3565 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2))) 3566 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or 3567 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV) 3568 may be greater than sizeof(IV), so don't assume that half max UV is max IV. 3569 */ 3570 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2))) 3571 3572 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2))) 3573 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1))) 3574 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2))) 3575 3576 /* This may look like unnecessary jumping through hoops, but converting 3577 out of range floating point values to integers *is* undefined behaviour, 3578 and it is starting to bite. 3579 */ 3580 #ifndef CAST_INLINE 3581 #define I_32(what) (cast_i32((NV)(what))) 3582 #define U_32(what) (cast_ulong((NV)(what))) 3583 #define I_V(what) (cast_iv((NV)(what))) 3584 #define U_V(what) (cast_uv((NV)(what))) 3585 #else 3586 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \ 3587 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \ 3588 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */))) 3589 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \ 3590 : ((n) < U32_MAX_P1 ? (U32) (n) \ 3591 : ((n) > 0 ? U32_MAX : 0 /* NaN */))) 3592 #define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \ 3593 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \ 3594 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */))) 3595 #define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \ 3596 : ((n) < UV_MAX_P1 ? (UV) (n) \ 3597 : ((n) > 0 ? UV_MAX : 0 /* NaN */))) 3598 #endif 3599 3600 #define U_S(what) ((U16)U_32(what)) 3601 #define U_I(what) ((unsigned int)U_32(what)) 3602 #define U_L(what) U_32(what) 3603 3604 #ifdef HAS_SIGNBIT 3605 # define Perl_signbit signbit 3606 #endif 3607 3608 /* These do not care about the fractional part, only about the range. */ 3609 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX) 3610 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX) 3611 3612 /* Used with UV/IV arguments: */ 3613 /* XXXX: need to speed it up */ 3614 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv)) 3615 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv)) 3616 3617 #ifndef MAXSYSFD 3618 # define MAXSYSFD 2 3619 #endif 3620 3621 #ifndef __cplusplus 3622 #if !(defined(UNDER_CE) || defined(SYMBIAN)) 3623 Uid_t getuid (void); 3624 Uid_t geteuid (void); 3625 Gid_t getgid (void); 3626 Gid_t getegid (void); 3627 #endif 3628 #endif 3629 3630 #ifndef Perl_debug_log 3631 # define Perl_debug_log PerlIO_stderr() 3632 #endif 3633 3634 #ifndef Perl_error_log 3635 # define Perl_error_log (PL_stderrgv \ 3636 && isGV(PL_stderrgv) \ 3637 && GvIOp(PL_stderrgv) \ 3638 && IoOFP(GvIOp(PL_stderrgv)) \ 3639 ? IoOFP(GvIOp(PL_stderrgv)) \ 3640 : PerlIO_stderr()) 3641 #endif 3642 3643 3644 #define DEBUG_p_FLAG 0x00000001 /* 1 */ 3645 #define DEBUG_s_FLAG 0x00000002 /* 2 */ 3646 #define DEBUG_l_FLAG 0x00000004 /* 4 */ 3647 #define DEBUG_t_FLAG 0x00000008 /* 8 */ 3648 #define DEBUG_o_FLAG 0x00000010 /* 16 */ 3649 #define DEBUG_c_FLAG 0x00000020 /* 32 */ 3650 #define DEBUG_P_FLAG 0x00000040 /* 64 */ 3651 #define DEBUG_m_FLAG 0x00000080 /* 128 */ 3652 #define DEBUG_f_FLAG 0x00000100 /* 256 */ 3653 #define DEBUG_r_FLAG 0x00000200 /* 512 */ 3654 #define DEBUG_x_FLAG 0x00000400 /* 1024 */ 3655 #define DEBUG_u_FLAG 0x00000800 /* 2048 */ 3656 /* U is reserved for Unofficial, exploratory hacking */ 3657 #define DEBUG_U_FLAG 0x00001000 /* 4096 */ 3658 #define DEBUG_H_FLAG 0x00002000 /* 8192 */ 3659 #define DEBUG_X_FLAG 0x00004000 /* 16384 */ 3660 #define DEBUG_D_FLAG 0x00008000 /* 32768 */ 3661 /* 0x00010000 is unused, used to be S */ 3662 #define DEBUG_T_FLAG 0x00020000 /* 131072 */ 3663 #define DEBUG_R_FLAG 0x00040000 /* 262144 */ 3664 #define DEBUG_J_FLAG 0x00080000 /* 524288 */ 3665 #define DEBUG_v_FLAG 0x00100000 /*1048576 */ 3666 #define DEBUG_C_FLAG 0x00200000 /*2097152 */ 3667 #define DEBUG_A_FLAG 0x00400000 /*4194304 */ 3668 #define DEBUG_q_FLAG 0x00800000 /*8388608 */ 3669 #define DEBUG_M_FLAG 0x01000000 /*16777216*/ 3670 #define DEBUG_B_FLAG 0x02000000 /*33554432*/ 3671 #define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */ 3672 3673 #define DEBUG_DB_RECURSE_FLAG 0x40000000 3674 #define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal 3675 that something was done? */ 3676 3677 # define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG) 3678 # define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG) 3679 # define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG) 3680 # define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG) 3681 # define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG) 3682 # define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG) 3683 # define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG) 3684 # define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG) 3685 # define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG) 3686 # define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG) 3687 # define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG) 3688 # define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG) 3689 # define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG) 3690 # define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG) 3691 # define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG) 3692 # define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG) 3693 # define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG) 3694 # define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG) 3695 # define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG) 3696 # define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG) 3697 # define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG) 3698 # define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG) 3699 # define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG) 3700 # define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG) 3701 # define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG) 3702 # define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_) 3703 # define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_) 3704 # define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_) 3705 3706 #ifdef DEBUGGING 3707 3708 # define DEBUG_p_TEST DEBUG_p_TEST_ 3709 # define DEBUG_s_TEST DEBUG_s_TEST_ 3710 # define DEBUG_l_TEST DEBUG_l_TEST_ 3711 # define DEBUG_t_TEST DEBUG_t_TEST_ 3712 # define DEBUG_o_TEST DEBUG_o_TEST_ 3713 # define DEBUG_c_TEST DEBUG_c_TEST_ 3714 # define DEBUG_P_TEST DEBUG_P_TEST_ 3715 # define DEBUG_m_TEST DEBUG_m_TEST_ 3716 # define DEBUG_f_TEST DEBUG_f_TEST_ 3717 # define DEBUG_r_TEST DEBUG_r_TEST_ 3718 # define DEBUG_x_TEST DEBUG_x_TEST_ 3719 # define DEBUG_u_TEST DEBUG_u_TEST_ 3720 # define DEBUG_U_TEST DEBUG_U_TEST_ 3721 # define DEBUG_H_TEST DEBUG_H_TEST_ 3722 # define DEBUG_X_TEST DEBUG_X_TEST_ 3723 # define DEBUG_D_TEST DEBUG_D_TEST_ 3724 # define DEBUG_T_TEST DEBUG_T_TEST_ 3725 # define DEBUG_R_TEST DEBUG_R_TEST_ 3726 # define DEBUG_J_TEST DEBUG_J_TEST_ 3727 # define DEBUG_v_TEST DEBUG_v_TEST_ 3728 # define DEBUG_C_TEST DEBUG_C_TEST_ 3729 # define DEBUG_A_TEST DEBUG_A_TEST_ 3730 # define DEBUG_q_TEST DEBUG_q_TEST_ 3731 # define DEBUG_M_TEST DEBUG_M_TEST_ 3732 # define DEBUG_B_TEST DEBUG_B_TEST_ 3733 # define DEBUG_Xv_TEST DEBUG_Xv_TEST_ 3734 # define DEBUG_Uv_TEST DEBUG_Uv_TEST_ 3735 # define DEBUG_Pv_TEST DEBUG_Pv_TEST_ 3736 3737 # define PERL_DEB(a) a 3738 # define PERL_DEBUG(a) if (PL_debug) a 3739 # define DEBUG_p(a) if (DEBUG_p_TEST) a 3740 # define DEBUG_s(a) if (DEBUG_s_TEST) a 3741 # define DEBUG_l(a) if (DEBUG_l_TEST) a 3742 # define DEBUG_t(a) if (DEBUG_t_TEST) a 3743 # define DEBUG_o(a) if (DEBUG_o_TEST) a 3744 # define DEBUG_c(a) if (DEBUG_c_TEST) a 3745 # define DEBUG_P(a) if (DEBUG_P_TEST) a 3746 3747 /* Temporarily turn off memory debugging in case the a 3748 * does memory allocation, either directly or indirectly. */ 3749 # define DEBUG_m(a) \ 3750 STMT_START { \ 3751 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \ 3752 } STMT_END 3753 3754 # define DEBUG__(t, a) \ 3755 STMT_START { \ 3756 if (t) STMT_START {a;} STMT_END; \ 3757 } STMT_END 3758 3759 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a) 3760 #ifndef PERL_EXT_RE_BUILD 3761 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a) 3762 #else 3763 # define DEBUG_r(a) STMT_START {a;} STMT_END 3764 #endif /* PERL_EXT_RE_BUILD */ 3765 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a) 3766 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a) 3767 # define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a) 3768 # define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a) 3769 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a) 3770 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a) 3771 # define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a) 3772 # define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a) 3773 # define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a) 3774 3775 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a) 3776 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a) 3777 # define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a) 3778 # define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a) 3779 # define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a) 3780 # define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a) 3781 # define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a) 3782 # define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a) 3783 3784 #else /* DEBUGGING */ 3785 3786 # define DEBUG_p_TEST (0) 3787 # define DEBUG_s_TEST (0) 3788 # define DEBUG_l_TEST (0) 3789 # define DEBUG_t_TEST (0) 3790 # define DEBUG_o_TEST (0) 3791 # define DEBUG_c_TEST (0) 3792 # define DEBUG_P_TEST (0) 3793 # define DEBUG_m_TEST (0) 3794 # define DEBUG_f_TEST (0) 3795 # define DEBUG_r_TEST (0) 3796 # define DEBUG_x_TEST (0) 3797 # define DEBUG_u_TEST (0) 3798 # define DEBUG_U_TEST (0) 3799 # define DEBUG_H_TEST (0) 3800 # define DEBUG_X_TEST (0) 3801 # define DEBUG_D_TEST (0) 3802 # define DEBUG_T_TEST (0) 3803 # define DEBUG_R_TEST (0) 3804 # define DEBUG_J_TEST (0) 3805 # define DEBUG_v_TEST (0) 3806 # define DEBUG_C_TEST (0) 3807 # define DEBUG_A_TEST (0) 3808 # define DEBUG_q_TEST (0) 3809 # define DEBUG_M_TEST (0) 3810 # define DEBUG_B_TEST (0) 3811 # define DEBUG_Xv_TEST (0) 3812 # define DEBUG_Uv_TEST (0) 3813 # define DEBUG_Pv_TEST (0) 3814 3815 # define PERL_DEB(a) 3816 # define PERL_DEBUG(a) 3817 # define DEBUG_p(a) 3818 # define DEBUG_s(a) 3819 # define DEBUG_l(a) 3820 # define DEBUG_t(a) 3821 # define DEBUG_o(a) 3822 # define DEBUG_c(a) 3823 # define DEBUG_P(a) 3824 # define DEBUG_m(a) 3825 # define DEBUG_f(a) 3826 # define DEBUG_r(a) 3827 # define DEBUG_x(a) 3828 # define DEBUG_u(a) 3829 # define DEBUG_U(a) 3830 # define DEBUG_H(a) 3831 # define DEBUG_X(a) 3832 # define DEBUG_D(a) 3833 # define DEBUG_T(a) 3834 # define DEBUG_R(a) 3835 # define DEBUG_v(a) 3836 # define DEBUG_C(a) 3837 # define DEBUG_A(a) 3838 # define DEBUG_q(a) 3839 # define DEBUG_M(a) 3840 # define DEBUG_B(a) 3841 # define DEBUG_Xv(a) 3842 # define DEBUG_Uv(a) 3843 # define DEBUG_Pv(a) 3844 #endif /* DEBUGGING */ 3845 3846 3847 #define DEBUG_SCOPE(where) \ 3848 DEBUG_l( \ 3849 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \ 3850 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \ 3851 __FILE__, __LINE__)); 3852 3853 #if defined(DEBUGGING) && defined(I_ASSERT) 3854 # include <assert.h> 3855 #endif 3856 3857 /* Keep the old croak based assert for those who want it, and as a fallback if 3858 the platform is so heretically non-ANSI that it can't assert. */ 3859 3860 #define Perl_assert(what) PERL_DEB( \ 3861 ((what) ? ((void) 0) : \ 3862 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \ 3863 "\", line %d", STRINGIFY(what), __LINE__), \ 3864 (void) 0))) 3865 3866 #ifndef assert 3867 # define assert(what) Perl_assert(what) 3868 #endif 3869 3870 struct ufuncs { 3871 I32 (*uf_val)(pTHX_ IV, SV*); 3872 I32 (*uf_set)(pTHX_ IV, SV*); 3873 IV uf_index; 3874 }; 3875 3876 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context. 3877 * XS code wanting to be backward compatible can do something 3878 * like the following: 3879 3880 #ifndef PERL_MG_UFUNC 3881 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv) 3882 #endif 3883 3884 static PERL_MG_UFUNC(foo_get, index, val) 3885 { 3886 sv_setsv(val, ...); 3887 return TRUE; 3888 } 3889 3890 -- Doug MacEachern 3891 3892 */ 3893 3894 #ifndef PERL_MG_UFUNC 3895 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv) 3896 #endif 3897 3898 /* Fix these up for __STDC__ */ 3899 #ifndef DONT_DECLARE_STD 3900 char *mktemp (char*); 3901 #ifndef atof 3902 double atof (const char*); 3903 #endif 3904 #endif 3905 3906 #ifndef STANDARD_C 3907 /* All of these are in stdlib.h or time.h for ANSI C */ 3908 Time_t time(); 3909 struct tm *gmtime(), *localtime(); 3910 #if defined(OEMVS) || defined(__OPEN_VM) 3911 char *(strchr)(), *(strrchr)(); 3912 char *(strcpy)(), *(strcat)(); 3913 #else 3914 char *strchr(), *strrchr(); 3915 char *strcpy(), *strcat(); 3916 #endif 3917 #endif /* ! STANDARD_C */ 3918 3919 3920 #ifdef I_MATH 3921 # include <math.h> 3922 #else 3923 START_EXTERN_C 3924 double exp (double); 3925 double log (double); 3926 double log10 (double); 3927 double sqrt (double); 3928 double frexp (double,int*); 3929 double ldexp (double,int); 3930 double modf (double,double*); 3931 double sin (double); 3932 double cos (double); 3933 double atan2 (double,double); 3934 double pow (double,double); 3935 END_EXTERN_C 3936 #endif 3937 3938 #if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY) 3939 # define NV_INF LDBL_INFINITY 3940 #endif 3941 #if !defined(NV_INF) && defined(DBL_INFINITY) 3942 # define NV_INF (NV)DBL_INFINITY 3943 #endif 3944 #if !defined(NV_INF) && defined(INFINITY) 3945 # define NV_INF (NV)INFINITY 3946 #endif 3947 #if !defined(NV_INF) && defined(INF) 3948 # define NV_INF (NV)INF 3949 #endif 3950 #if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL) 3951 # define NV_INF (NV)HUGE_VALL 3952 #endif 3953 #if !defined(NV_INF) && defined(HUGE_VAL) 3954 # define NV_INF (NV)HUGE_VAL 3955 #endif 3956 3957 #if !defined(NV_NAN) && defined(USE_LONG_DOUBLE) 3958 # if !defined(NV_NAN) && defined(LDBL_NAN) 3959 # define NV_NAN LDBL_NAN 3960 # endif 3961 # if !defined(NV_NAN) && defined(LDBL_QNAN) 3962 # define NV_NAN LDBL_QNAN 3963 # endif 3964 # if !defined(NV_NAN) && defined(LDBL_SNAN) 3965 # define NV_NAN LDBL_SNAN 3966 # endif 3967 #endif 3968 #if !defined(NV_NAN) && defined(DBL_NAN) 3969 # define NV_NAN (NV)DBL_NAN 3970 #endif 3971 #if !defined(NV_NAN) && defined(DBL_QNAN) 3972 # define NV_NAN (NV)DBL_QNAN 3973 #endif 3974 #if !defined(NV_NAN) && defined(DBL_SNAN) 3975 # define NV_NAN (NV)DBL_SNAN 3976 #endif 3977 #if !defined(NV_NAN) && defined(QNAN) 3978 # define NV_NAN (NV)QNAN 3979 #endif 3980 #if !defined(NV_NAN) && defined(SNAN) 3981 # define NV_NAN (NV)SNAN 3982 #endif 3983 #if !defined(NV_NAN) && defined(NAN) 3984 # define NV_NAN (NV)NAN 3985 #endif 3986 3987 #ifndef __cplusplus 3988 # if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */ 3989 char *crypt (); /* Maybe more hosts will need the unprototyped version */ 3990 # else 3991 # if !defined(WIN32) && !defined(VMS) 3992 #ifndef crypt 3993 char *crypt (const char*, const char*); 3994 #endif 3995 # endif /* !WIN32 */ 3996 # endif /* !NeXT && !__NeXT__ */ 3997 # ifndef DONT_DECLARE_STD 3998 # ifndef getenv 3999 char *getenv (const char*); 4000 # endif /* !getenv */ 4001 # if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux) 4002 # ifdef _FILE_OFFSET_BITS 4003 # if _FILE_OFFSET_BITS == 64 4004 Off_t lseek (int,Off_t,int); 4005 # endif 4006 # endif 4007 # endif 4008 # endif /* !DONT_DECLARE_STD */ 4009 #ifndef getlogin 4010 char *getlogin (void); 4011 #endif 4012 #endif /* !__cplusplus */ 4013 4014 /* Fixme on VMS. This needs to be a run-time, not build time options */ 4015 /* Also rename() is affected by this */ 4016 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */ 4017 #define UNLINK unlnk 4018 I32 unlnk (pTHX_ const char*); 4019 #else 4020 #define UNLINK PerlLIO_unlink 4021 #endif 4022 4023 /* some versions of glibc are missing the setresuid() proto */ 4024 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO) 4025 int setresuid(uid_t ruid, uid_t euid, uid_t suid); 4026 #endif 4027 /* some versions of glibc are missing the setresgid() proto */ 4028 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO) 4029 int setresgid(gid_t rgid, gid_t egid, gid_t sgid); 4030 #endif 4031 4032 #ifndef HAS_SETREUID 4033 # ifdef HAS_SETRESUID 4034 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1) 4035 # define HAS_SETREUID 4036 # endif 4037 #endif 4038 #ifndef HAS_SETREGID 4039 # ifdef HAS_SETRESGID 4040 # define setregid(r,e) setresgid(r,e,(Gid_t)-1) 4041 # define HAS_SETREGID 4042 # endif 4043 #endif 4044 4045 /* Sighandler_t defined in iperlsys.h */ 4046 4047 #ifdef HAS_SIGACTION 4048 typedef struct sigaction Sigsave_t; 4049 #else 4050 typedef Sighandler_t Sigsave_t; 4051 #endif 4052 4053 #define SCAN_DEF 0 4054 #define SCAN_TR 1 4055 #define SCAN_REPL 2 4056 4057 #ifdef DEBUGGING 4058 # ifndef register 4059 # define register 4060 # endif 4061 # define RUNOPS_DEFAULT Perl_runops_debug 4062 #else 4063 # define RUNOPS_DEFAULT Perl_runops_standard 4064 #endif 4065 4066 #ifdef USE_PERLIO 4067 EXTERN_C void PerlIO_teardown(void); 4068 # ifdef USE_ITHREADS 4069 # define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex) 4070 # define PERLIO_TERM \ 4071 STMT_START { \ 4072 PerlIO_teardown(); \ 4073 MUTEX_DESTROY(&PL_perlio_mutex);\ 4074 } STMT_END 4075 # else 4076 # define PERLIO_INIT 4077 # define PERLIO_TERM PerlIO_teardown() 4078 # endif 4079 #else 4080 # define PERLIO_INIT 4081 # define PERLIO_TERM 4082 #endif 4083 4084 #ifdef MYMALLOC 4085 # ifdef MUTEX_INIT_CALLS_MALLOC 4086 # define MALLOC_INIT \ 4087 STMT_START { \ 4088 PL_malloc_mutex = NULL; \ 4089 MUTEX_INIT(&PL_malloc_mutex); \ 4090 } STMT_END 4091 # define MALLOC_TERM \ 4092 STMT_START { \ 4093 perl_mutex tmp = PL_malloc_mutex; \ 4094 PL_malloc_mutex = NULL; \ 4095 MUTEX_DESTROY(&tmp); \ 4096 } STMT_END 4097 # else 4098 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex) 4099 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex) 4100 # endif 4101 #else 4102 # define MALLOC_INIT 4103 # define MALLOC_TERM 4104 #endif 4105 4106 #if defined(PERL_IMPLICIT_CONTEXT) 4107 4108 struct perl_memory_debug_header; 4109 struct perl_memory_debug_header { 4110 tTHX interpreter; 4111 # ifdef PERL_POISON 4112 MEM_SIZE size; 4113 # endif 4114 struct perl_memory_debug_header *prev; 4115 struct perl_memory_debug_header *next; 4116 }; 4117 4118 # define sTHX (sizeof(struct perl_memory_debug_header) + \ 4119 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \ 4120 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES) 4121 4122 #else 4123 # define sTHX 0 4124 #endif 4125 4126 #ifdef PERL_TRACK_MEMPOOL 4127 # define INIT_TRACK_MEMPOOL(header, interp) \ 4128 STMT_START { \ 4129 (header).interpreter = (interp); \ 4130 (header).prev = (header).next = &(header); \ 4131 } STMT_END 4132 # else 4133 # define INIT_TRACK_MEMPOOL(header, interp) 4134 #endif 4135 4136 #ifdef I_MALLOCMALLOC 4137 /* Needed for malloc_size(), malloc_good_size() on some systems */ 4138 # include <malloc/malloc.h> 4139 #endif 4140 4141 #ifdef MYMALLOC 4142 # define Perl_safesysmalloc_size(where) Perl_malloced_size(where) 4143 #else 4144 # ifdef HAS_MALLOC_SIZE 4145 # ifdef PERL_TRACK_MEMPOOL 4146 # define Perl_safesysmalloc_size(where) \ 4147 (malloc_size(((char *)(where)) - sTHX) - sTHX) 4148 # else 4149 # define Perl_safesysmalloc_size(where) malloc_size(where) 4150 # endif 4151 # endif 4152 # ifdef HAS_MALLOC_GOOD_SIZE 4153 # ifdef PERL_TRACK_MEMPOOL 4154 # define Perl_malloc_good_size(how_much) \ 4155 (malloc_good_size((how_much) + sTHX) - sTHX) 4156 # else 4157 # define Perl_malloc_good_size(how_much) malloc_good_size(how_much) 4158 # endif 4159 # else 4160 /* Having this as the identity operation makes some code simpler. */ 4161 # define Perl_malloc_good_size(how_much) (how_much) 4162 # endif 4163 #endif 4164 4165 typedef int (*runops_proc_t)(pTHX); 4166 typedef void (*share_proc_t) (pTHX_ SV *sv); 4167 typedef int (*thrhook_proc_t) (pTHX); 4168 typedef OP* (*PPADDR_t[]) (pTHX); 4169 typedef bool (*destroyable_proc_t) (pTHX_ SV *sv); 4170 typedef void (*despatch_signals_proc_t) (pTHX); 4171 4172 /* NeXT has problems with crt0.o globals */ 4173 #if defined(__DYNAMIC__) && \ 4174 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN)) 4175 # if defined(NeXT) || defined(__NeXT) 4176 # include <mach-o/dyld.h> 4177 # define environ (*environ_pointer) 4178 EXT char *** environ_pointer; 4179 # else 4180 # if defined(PERL_DARWIN) && defined(PERL_CORE) 4181 # include <crt_externs.h> /* for the env array */ 4182 # define environ (*_NSGetEnviron()) 4183 # endif 4184 # endif 4185 #else 4186 /* VMS and some other platforms don't use the environ array */ 4187 # ifdef USE_ENVIRON_ARRAY 4188 # if !defined(DONT_DECLARE_STD) || \ 4189 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \ 4190 defined(__sgi) || \ 4191 defined(__DGUX) 4192 extern char ** environ; /* environment variables supplied via exec */ 4193 # endif 4194 # endif 4195 #endif 4196 4197 #define PERL_PATCHLEVEL_H_IMPLICIT 4198 #include "patchlevel.h" 4199 #undef PERL_PATCHLEVEL_H_IMPLICIT 4200 4201 #define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \ 4202 STRINGIFY(PERL_VERSION) "." \ 4203 STRINGIFY(PERL_SUBVERSION) 4204 4205 #define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \ 4206 STRINGIFY(PERL_API_VERSION) "." \ 4207 STRINGIFY(PERL_API_SUBVERSION) 4208 4209 START_EXTERN_C 4210 4211 /* handy constants */ 4212 EXTCONST char PL_warn_uninit[] 4213 INIT("Use of uninitialized value%s%s%s"); 4214 EXTCONST char PL_warn_uninit_sv[] 4215 INIT("Use of uninitialized value%"SVf"%s%s"); 4216 EXTCONST char PL_warn_nosemi[] 4217 INIT("Semicolon seems to be missing"); 4218 EXTCONST char PL_warn_reserved[] 4219 INIT("Unquoted string \"%s\" may clash with future reserved word"); 4220 EXTCONST char PL_warn_nl[] 4221 INIT("Unsuccessful %s on filename containing newline"); 4222 EXTCONST char PL_no_wrongref[] 4223 INIT("Can't use %s ref as %s ref"); 4224 /* The core no longer needs these here. If you require the string constant, 4225 please inline a copy into your own code. */ 4226 EXTCONST char PL_no_symref[] __attribute__deprecated__ 4227 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use"); 4228 EXTCONST char PL_no_symref_sv[] __attribute__deprecated__ 4229 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use"); 4230 EXTCONST char PL_no_usym[] 4231 INIT("Can't use an undefined value as %s reference"); 4232 EXTCONST char PL_no_aelem[] 4233 INIT("Modification of non-creatable array value attempted, subscript %d"); 4234 EXTCONST char PL_no_helem_sv[] 4235 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\""); 4236 EXTCONST char PL_no_modify[] 4237 INIT("Modification of a read-only value attempted"); 4238 EXTCONST char PL_no_mem[] 4239 INIT("Out of memory!\n"); 4240 EXTCONST char PL_no_security[] 4241 INIT("Insecure dependency in %s%s"); 4242 EXTCONST char PL_no_sock_func[] 4243 INIT("Unsupported socket function \"%s\" called"); 4244 EXTCONST char PL_no_dir_func[] 4245 INIT("Unsupported directory function \"%s\" called"); 4246 EXTCONST char PL_no_func[] 4247 INIT("The %s function is unimplemented"); 4248 EXTCONST char PL_no_myglob[] 4249 INIT("\"%s\" variable %s can't be in a package"); 4250 EXTCONST char PL_no_localize_ref[] 4251 INIT("Can't localize through a reference"); 4252 EXTCONST char PL_memory_wrap[] 4253 INIT("panic: memory wrap"); 4254 4255 EXTCONST char PL_Yes[] 4256 INIT("1"); 4257 EXTCONST char PL_No[] 4258 INIT(""); 4259 EXTCONST char PL_hexdigit[] 4260 INIT("0123456789abcdef0123456789ABCDEF"); 4261 4262 /* This is constant on most architectures, a global on OS/2 */ 4263 #ifndef OS2 4264 EXTCONST char PL_sh_path[] 4265 INIT(SH_PATH); /* full path of shell */ 4266 #endif 4267 4268 #ifdef CSH 4269 EXTCONST char PL_cshname[] 4270 INIT(CSH); 4271 # define PL_cshlen (sizeof(CSH "") - 1) 4272 #endif 4273 4274 /* These are baked at compile time into any shared perl library. 4275 In future releases this will allow us in main() to sanity test the 4276 library we're linking against. */ 4277 4278 EXTCONST U8 PL_revision 4279 INIT(PERL_REVISION); 4280 EXTCONST U8 PL_version 4281 INIT(PERL_VERSION); 4282 EXTCONST U8 PL_subversion 4283 INIT(PERL_SUBVERSION); 4284 4285 EXTCONST char PL_uuemap[65] 4286 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"); 4287 4288 #ifdef DOINIT 4289 EXTCONST char PL_uudmap[256] = 4290 # ifdef PERL_MICRO 4291 # include "uuudmap.h" 4292 # else 4293 # include "uudmap.h" 4294 # endif 4295 ; 4296 EXTCONST char PL_bitcount[256] = 4297 # ifdef PERL_MICRO 4298 # include "ubitcount.h" 4299 #else 4300 # include "bitcount.h" 4301 # endif 4302 ; 4303 EXTCONST char* const PL_sig_name[] = { SIG_NAME }; 4304 EXTCONST int PL_sig_num[] = { SIG_NUM }; 4305 #else 4306 EXTCONST char PL_uudmap[256]; 4307 EXTCONST char PL_bitcount[256]; 4308 EXTCONST char* const PL_sig_name[]; 4309 EXTCONST int PL_sig_num[]; 4310 #endif 4311 4312 /* fast conversion and case folding tables. The folding tables complement the 4313 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated 4314 * folds such as outside the range or to multiple characters. */ 4315 4316 #ifdef DOINIT 4317 #ifndef EBCDIC 4318 4319 /* The EBCDIC fold table depends on the code page, and hence is found in 4320 * utfebcdic.h */ 4321 4322 EXTCONST unsigned char PL_fold[] = { 4323 0, 1, 2, 3, 4, 5, 6, 7, 4324 8, 9, 10, 11, 12, 13, 14, 15, 4325 16, 17, 18, 19, 20, 21, 22, 23, 4326 24, 25, 26, 27, 28, 29, 30, 31, 4327 32, 33, 34, 35, 36, 37, 38, 39, 4328 40, 41, 42, 43, 44, 45, 46, 47, 4329 48, 49, 50, 51, 52, 53, 54, 55, 4330 56, 57, 58, 59, 60, 61, 62, 63, 4331 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 4332 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 4333 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 4334 'x', 'y', 'z', 91, 92, 93, 94, 95, 4335 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 4336 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 4337 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 4338 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 4339 128, 129, 130, 131, 132, 133, 134, 135, 4340 136, 137, 138, 139, 140, 141, 142, 143, 4341 144, 145, 146, 147, 148, 149, 150, 151, 4342 152, 153, 154, 155, 156, 157, 158, 159, 4343 160, 161, 162, 163, 164, 165, 166, 167, 4344 168, 169, 170, 171, 172, 173, 174, 175, 4345 176, 177, 178, 179, 180, 181, 182, 183, 4346 184, 185, 186, 187, 188, 189, 190, 191, 4347 192, 193, 194, 195, 196, 197, 198, 199, 4348 200, 201, 202, 203, 204, 205, 206, 207, 4349 208, 209, 210, 211, 212, 213, 214, 215, 4350 216, 217, 218, 219, 220, 221, 222, 223, 4351 224, 225, 226, 227, 228, 229, 230, 231, 4352 232, 233, 234, 235, 236, 237, 238, 239, 4353 240, 241, 242, 243, 244, 245, 246, 247, 4354 248, 249, 250, 251, 252, 253, 254, 255 4355 }; 4356 EXTCONST unsigned char PL_fold_latin1[] = { 4357 /* Full latin1 complement folding, except for three problematic code points: 4358 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their 4359 * fold complements outside the Latin1 range, so can't match something 4360 * that isn't in utf8. 4361 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss', 4362 * not one, so can't be represented in this table. 4363 * 4364 * All have to be specially handled */ 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 /*micro */, 182, 183, 4388 184, 185, 186, 187, 188, 189, 190, 191, 4389 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32, 4390 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32, 4391 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215, 4392 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */, 4393 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32, 4394 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32, 4395 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247, 4396 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 4397 255 /* y with diaeresis */ 4398 }; 4399 #endif /* !EBCDIC, but still in DOINIT */ 4400 4401 /* If these tables are accessed through ebcdic, the access will be converted to 4402 * latin1 first */ 4403 EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */ 4404 0, 1, 2, 3, 4, 5, 6, 7, 4405 8, 9, 10, 11, 12, 13, 14, 15, 4406 16, 17, 18, 19, 20, 21, 22, 23, 4407 24, 25, 26, 27, 28, 29, 30, 31, 4408 32, 33, 34, 35, 36, 37, 38, 39, 4409 40, 41, 42, 43, 44, 45, 46, 47, 4410 48, 49, 50, 51, 52, 53, 54, 55, 4411 56, 57, 58, 59, 60, 61, 62, 63, 4412 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 4413 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 4414 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 4415 'x', 'y', 'z', 91, 92, 93, 94, 95, 4416 96, 97, 98, 99, 100, 101, 102, 103, 4417 104, 105, 106, 107, 108, 109, 110, 111, 4418 112, 113, 114, 115, 116, 117, 118, 119, 4419 120, 121, 122, 123, 124, 125, 126, 127, 4420 128, 129, 130, 131, 132, 133, 134, 135, 4421 136, 137, 138, 139, 140, 141, 142, 143, 4422 144, 145, 146, 147, 148, 149, 150, 151, 4423 152, 153, 154, 155, 156, 157, 158, 159, 4424 160, 161, 162, 163, 164, 165, 166, 167, 4425 168, 169, 170, 171, 172, 173, 174, 175, 4426 176, 177, 178, 179, 180, 181, 182, 183, 4427 184, 185, 186, 187, 188, 189, 190, 191, 4428 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32, 4429 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32, 4430 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215, 4431 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223, 4432 224, 225, 226, 227, 228, 229, 230, 231, 4433 232, 233, 234, 235, 236, 237, 238, 239, 4434 240, 241, 242, 243, 244, 245, 246, 247, 4435 248, 249, 250, 251, 252, 253, 254, 255 4436 }; 4437 4438 /* upper and title case of latin1 characters, modified so that the three tricky 4439 * ones are mapped to 255 (which is one of the three) */ 4440 EXTCONST unsigned char PL_mod_latin1_uc[] = { 4441 0, 1, 2, 3, 4, 5, 6, 7, 4442 8, 9, 10, 11, 12, 13, 14, 15, 4443 16, 17, 18, 19, 20, 21, 22, 23, 4444 24, 25, 26, 27, 28, 29, 30, 31, 4445 32, 33, 34, 35, 36, 37, 38, 39, 4446 40, 41, 42, 43, 44, 45, 46, 47, 4447 48, 49, 50, 51, 52, 53, 54, 55, 4448 56, 57, 58, 59, 60, 61, 62, 63, 4449 64, 65, 66, 67, 68, 69, 70, 71, 4450 72, 73, 74, 75, 76, 77, 78, 79, 4451 80, 81, 82, 83, 84, 85, 86, 87, 4452 88, 89, 90, 91, 92, 93, 94, 95, 4453 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 4454 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 4455 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 4456 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 4457 128, 129, 130, 131, 132, 133, 134, 135, 4458 136, 137, 138, 139, 140, 141, 142, 143, 4459 144, 145, 146, 147, 148, 149, 150, 151, 4460 152, 153, 154, 155, 156, 157, 158, 159, 4461 160, 161, 162, 163, 164, 165, 166, 167, 4462 168, 169, 170, 171, 172, 173, 174, 175, 4463 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183, 4464 184, 185, 186, 187, 188, 189, 190, 191, 4465 192, 193, 194, 195, 196, 197, 198, 199, 4466 200, 201, 202, 203, 204, 205, 206, 207, 4467 208, 209, 210, 211, 212, 213, 214, 215, 4468 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/, 4469 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32, 4470 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32, 4471 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247, 4472 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255 4473 }; 4474 #else /* ! DOINIT */ 4475 EXTCONST unsigned char PL_fold[]; 4476 EXTCONST unsigned char PL_fold_latin1[]; 4477 EXTCONST unsigned char PL_mod_latin1_uc[]; 4478 EXTCONST unsigned char PL_latin1_lc[]; 4479 #endif 4480 4481 #ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */ 4482 #ifdef DOINIT 4483 EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */ 4484 0, 1, 2, 3, 4, 5, 6, 7, 4485 8, 9, 10, 11, 12, 13, 14, 15, 4486 16, 17, 18, 19, 20, 21, 22, 23, 4487 24, 25, 26, 27, 28, 29, 30, 31, 4488 32, 33, 34, 35, 36, 37, 38, 39, 4489 40, 41, 42, 43, 44, 45, 46, 47, 4490 48, 49, 50, 51, 52, 53, 54, 55, 4491 56, 57, 58, 59, 60, 61, 62, 63, 4492 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 4493 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 4494 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 4495 'x', 'y', 'z', 91, 92, 93, 94, 95, 4496 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 4497 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 4498 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 4499 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 4500 128, 129, 130, 131, 132, 133, 134, 135, 4501 136, 137, 138, 139, 140, 141, 142, 143, 4502 144, 145, 146, 147, 148, 149, 150, 151, 4503 152, 153, 154, 155, 156, 157, 158, 159, 4504 160, 161, 162, 163, 164, 165, 166, 167, 4505 168, 169, 170, 171, 172, 173, 174, 175, 4506 176, 177, 178, 179, 180, 181, 182, 183, 4507 184, 185, 186, 187, 188, 189, 190, 191, 4508 192, 193, 194, 195, 196, 197, 198, 199, 4509 200, 201, 202, 203, 204, 205, 206, 207, 4510 208, 209, 210, 211, 212, 213, 214, 215, 4511 216, 217, 218, 219, 220, 221, 222, 223, 4512 224, 225, 226, 227, 228, 229, 230, 231, 4513 232, 233, 234, 235, 236, 237, 238, 239, 4514 240, 241, 242, 243, 244, 245, 246, 247, 4515 248, 249, 250, 251, 252, 253, 254, 255 4516 }; 4517 #else 4518 EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */ 4519 #endif 4520 #endif /* !PERL_GLOBAL_STRUCT */ 4521 4522 #ifdef DOINIT 4523 #ifdef EBCDIC 4524 EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */ 4525 1, 2, 84, 151, 154, 155, 156, 157, 4526 165, 246, 250, 3, 158, 7, 18, 29, 4527 40, 51, 62, 73, 85, 96, 107, 118, 4528 129, 140, 147, 148, 149, 150, 152, 153, 4529 255, 6, 8, 9, 10, 11, 12, 13, 4530 14, 15, 24, 25, 26, 27, 28, 226, 4531 29, 30, 31, 32, 33, 43, 44, 45, 4532 46, 47, 48, 49, 50, 76, 77, 78, 4533 79, 80, 81, 82, 83, 84, 85, 86, 4534 87, 94, 95, 234, 181, 233, 187, 190, 4535 180, 96, 97, 98, 99, 100, 101, 102, 4536 104, 112, 182, 174, 236, 232, 229, 103, 4537 228, 226, 114, 115, 116, 117, 118, 119, 4538 120, 121, 122, 235, 176, 230, 194, 162, 4539 130, 131, 132, 133, 134, 135, 136, 137, 4540 138, 139, 201, 205, 163, 217, 220, 224, 4541 5, 248, 227, 244, 242, 255, 241, 231, 4542 240, 253, 16, 197, 19, 20, 21, 187, 4543 23, 169, 210, 245, 237, 249, 247, 239, 4544 168, 252, 34, 196, 36, 37, 38, 39, 4545 41, 42, 251, 254, 238, 223, 221, 213, 4546 225, 177, 52, 53, 54, 55, 56, 57, 4547 58, 59, 60, 61, 63, 64, 65, 66, 4548 67, 68, 69, 70, 71, 72, 74, 75, 4549 205, 208, 186, 202, 200, 218, 198, 179, 4550 178, 214, 88, 89, 90, 91, 92, 93, 4551 217, 166, 170, 207, 199, 209, 206, 204, 4552 160, 212, 105, 106, 108, 109, 110, 111, 4553 203, 113, 216, 215, 192, 175, 193, 243, 4554 172, 161, 123, 124, 125, 126, 127, 128, 4555 222, 219, 211, 195, 188, 193, 185, 184, 4556 191, 183, 141, 142, 143, 144, 145, 146 4557 }; 4558 #else /* ascii rather than ebcdic */ 4559 EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */ 4560 1, 2, 84, 151, 154, 155, 156, 157, 4561 165, 246, 250, 3, 158, 7, 18, 29, 4562 40, 51, 62, 73, 85, 96, 107, 118, 4563 129, 140, 147, 148, 149, 150, 152, 153, 4564 255, 182, 224, 205, 174, 176, 180, 217, 4565 233, 232, 236, 187, 235, 228, 234, 226, 4566 222, 219, 211, 195, 188, 193, 185, 184, 4567 191, 183, 201, 229, 181, 220, 194, 162, 4568 163, 208, 186, 202, 200, 218, 198, 179, 4569 178, 214, 166, 170, 207, 199, 209, 206, 4570 204, 160, 212, 216, 215, 192, 175, 173, 4571 243, 172, 161, 190, 203, 189, 164, 230, 4572 167, 248, 227, 244, 242, 255, 241, 231, 4573 240, 253, 169, 210, 245, 237, 249, 247, 4574 239, 168, 252, 251, 254, 238, 223, 221, 4575 213, 225, 177, 197, 171, 196, 159, 4, 4576 5, 6, 8, 9, 10, 11, 12, 13, 4577 14, 15, 16, 17, 19, 20, 21, 22, 4578 23, 24, 25, 26, 27, 28, 30, 31, 4579 32, 33, 34, 35, 36, 37, 38, 39, 4580 41, 42, 43, 44, 45, 46, 47, 48, 4581 49, 50, 52, 53, 54, 55, 56, 57, 4582 58, 59, 60, 61, 63, 64, 65, 66, 4583 67, 68, 69, 70, 71, 72, 74, 75, 4584 76, 77, 78, 79, 80, 81, 82, 83, 4585 86, 87, 88, 89, 90, 91, 92, 93, 4586 94, 95, 97, 98, 99, 100, 101, 102, 4587 103, 104, 105, 106, 108, 109, 110, 111, 4588 112, 113, 114, 115, 116, 117, 119, 120, 4589 121, 122, 123, 124, 125, 126, 127, 128, 4590 130, 131, 132, 133, 134, 135, 136, 137, 4591 138, 139, 141, 142, 143, 144, 145, 146 4592 }; 4593 #endif 4594 #else 4595 EXTCONST unsigned char PL_freq[]; 4596 #endif 4597 4598 #ifdef DEBUGGING 4599 #ifdef DOINIT 4600 EXTCONST char* const PL_block_type[] = { 4601 "NULL", 4602 "WHEN", 4603 "BLOCK", 4604 "GIVEN", 4605 "LOOP_FOR", 4606 "LOOP_PLAIN", 4607 "LOOP_LAZYSV", 4608 "LOOP_LAZYIV", 4609 "SUB", 4610 "FORMAT", 4611 "EVAL", 4612 "SUBST" 4613 }; 4614 #else 4615 EXTCONST char* PL_block_type[]; 4616 #endif 4617 #endif 4618 4619 /* These are all the compile time options that affect binary compatibility. 4620 Other compile time options that are binary compatible are in perl.c 4621 Both are combined for the output of perl -V 4622 However, this string will be embedded in any shared perl library, which will 4623 allow us add a comparison check in perlmain.c in the near future. */ 4624 #ifdef DOINIT 4625 EXTCONST char PL_bincompat_options[] = 4626 # ifdef DEBUG_LEAKING_SCALARS 4627 " DEBUG_LEAKING_SCALARS" 4628 # endif 4629 # ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP 4630 " DEBUG_LEAKING_SCALARS_FORK_DUMP" 4631 # endif 4632 # ifdef FAKE_THREADS 4633 " FAKE_THREADS" 4634 # endif 4635 # ifdef FCRYPT 4636 " FCRYPT" 4637 # endif 4638 # ifdef HAS_TIMES 4639 " HAS_TIMES" 4640 # endif 4641 # ifdef HAVE_INTERP_INTERN 4642 " HAVE_INTERP_INTERN" 4643 # endif 4644 # ifdef MULTIPLICITY 4645 " MULTIPLICITY" 4646 # endif 4647 # ifdef MYMALLOC 4648 " MYMALLOC" 4649 # endif 4650 # ifdef PERLIO_LAYERS 4651 " PERLIO_LAYERS" 4652 # endif 4653 # ifdef PERL_DEBUG_READONLY_OPS 4654 " PERL_DEBUG_READONLY_OPS" 4655 # endif 4656 # ifdef PERL_GLOBAL_STRUCT 4657 " PERL_GLOBAL_STRUCT" 4658 # endif 4659 # ifdef PERL_IMPLICIT_CONTEXT 4660 " PERL_IMPLICIT_CONTEXT" 4661 # endif 4662 # ifdef PERL_IMPLICIT_SYS 4663 " PERL_IMPLICIT_SYS" 4664 # endif 4665 # ifdef PERL_MAD 4666 " PERL_MAD" 4667 # endif 4668 # ifdef PERL_MICRO 4669 " PERL_MICRO" 4670 # endif 4671 # ifdef PERL_NEED_APPCTX 4672 " PERL_NEED_APPCTX" 4673 # endif 4674 # ifdef PERL_NEED_TIMESBASE 4675 " PERL_NEED_TIMESBASE" 4676 # endif 4677 # ifdef PERL_OLD_COPY_ON_WRITE 4678 " PERL_OLD_COPY_ON_WRITE" 4679 # endif 4680 # ifdef PERL_POISON 4681 " PERL_POISON" 4682 # endif 4683 # ifdef PERL_TRACK_MEMPOOL 4684 " PERL_TRACK_MEMPOOL" 4685 # endif 4686 # ifdef PERL_USES_PL_PIDSTATUS 4687 " PERL_USES_PL_PIDSTATUS" 4688 # endif 4689 # ifdef PL_OP_SLAB_ALLOC 4690 " PL_OP_SLAB_ALLOC" 4691 # endif 4692 # ifdef USE_64_BIT_ALL 4693 " USE_64_BIT_ALL" 4694 # endif 4695 # ifdef USE_64_BIT_INT 4696 " USE_64_BIT_INT" 4697 # endif 4698 # ifdef USE_IEEE 4699 " USE_IEEE" 4700 # endif 4701 # ifdef USE_ITHREADS 4702 " USE_ITHREADS" 4703 # endif 4704 # ifdef USE_LARGE_FILES 4705 " USE_LARGE_FILES" 4706 # endif 4707 # ifdef USE_LOCALE_COLLATE 4708 " USE_LOCALE_COLLATE" 4709 # endif 4710 # ifdef USE_LOCALE_NUMERIC 4711 " USE_LOCALE_NUMERIC" 4712 # endif 4713 # ifdef USE_LONG_DOUBLE 4714 " USE_LONG_DOUBLE" 4715 # endif 4716 # ifdef USE_PERLIO 4717 " USE_PERLIO" 4718 # endif 4719 # ifdef USE_REENTRANT_API 4720 " USE_REENTRANT_API" 4721 # endif 4722 # ifdef USE_SFIO 4723 " USE_SFIO" 4724 # endif 4725 # ifdef USE_SOCKS 4726 " USE_SOCKS" 4727 # endif 4728 # ifdef VMS_DO_SOCKETS 4729 " VMS_DO_SOCKETS" 4730 # endif 4731 # ifdef VMS_SHORTEN_LONG_SYMBOLS 4732 " VMS_SHORTEN_LONG_SYMBOLS" 4733 # endif 4734 # ifdef VMS_WE_ARE_CASE_SENSITIVE 4735 " VMS_SYMBOL_CASE_AS_IS" 4736 # endif 4737 ""; 4738 #else 4739 EXTCONST char PL_bincompat_options[]; 4740 #endif 4741 4742 #ifndef PERL_SET_PHASE 4743 # define PERL_SET_PHASE(new_phase) \ 4744 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \ 4745 PL_phase = new_phase; 4746 #endif 4747 4748 /* The interpreter phases. If these ever change, PL_phase_names right below will 4749 * need to be updated accordingly. */ 4750 enum perl_phase { 4751 PERL_PHASE_CONSTRUCT = 0, 4752 PERL_PHASE_START = 1, 4753 PERL_PHASE_CHECK = 2, 4754 PERL_PHASE_INIT = 3, 4755 PERL_PHASE_RUN = 4, 4756 PERL_PHASE_END = 5, 4757 PERL_PHASE_DESTRUCT = 6 4758 }; 4759 4760 #ifdef DOINIT 4761 EXTCONST char *const PL_phase_names[] = { 4762 "CONSTRUCT", 4763 "START", 4764 "CHECK", 4765 "INIT", 4766 "RUN", 4767 "END", 4768 "DESTRUCT" 4769 }; 4770 #else 4771 EXTCONST char *const PL_phase_names[]; 4772 #endif 4773 4774 #ifndef PERL_CORE 4775 /* Do not use this macro. It only exists for extensions that rely on PL_dirty 4776 * instead of using the newer PL_phase, which provides everything PL_dirty 4777 * provided, and more. */ 4778 # define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT) 4779 #endif /* !PERL_CORE */ 4780 4781 END_EXTERN_C 4782 4783 /*****************************************************************************/ 4784 /* This lexer/parser stuff is currently global since yacc is hard to reenter */ 4785 /*****************************************************************************/ 4786 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */ 4787 4788 #ifdef __Lynx__ 4789 /* LynxOS defines these in scsi.h which is included via ioctl.h */ 4790 #ifdef FORMAT 4791 #undef FORMAT 4792 #endif 4793 #ifdef SPACE 4794 #undef SPACE 4795 #endif 4796 #endif 4797 4798 #define LEX_NOTPARSING 11 /* borrowed from toke.c */ 4799 4800 typedef enum { 4801 XOPERATOR, 4802 XTERM, 4803 XREF, 4804 XSTATE, 4805 XBLOCK, 4806 XATTRBLOCK, 4807 XATTRTERM, 4808 XTERMBLOCK, 4809 XTERMORDORDOR /* evil hack */ 4810 /* update exp_name[] in toke.c if adding to this enum */ 4811 } expectation; 4812 4813 /* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer 4814 special and there is no need for HINT_PRIVATE_MASK for COPs 4815 However, bitops store HINT_INTEGER in their op_private. */ 4816 #define HINT_INTEGER 0x00000001 /* integer pragma */ 4817 #define HINT_STRICT_REFS 0x00000002 /* strict pragma */ 4818 #define HINT_LOCALE 0x00000004 /* locale pragma */ 4819 #define HINT_BYTES 0x00000008 /* bytes pragma */ 4820 #define HINT_LOCALE_NOT_CHARS 0x00000010 /* locale ':not_characters' pragma */ 4821 4822 #define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */ 4823 #define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */ 4824 #define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */ 4825 4826 #define HINT_BLOCK_SCOPE 0x00000100 4827 #define HINT_STRICT_SUBS 0x00000200 /* strict pragma */ 4828 #define HINT_STRICT_VARS 0x00000400 /* strict pragma */ 4829 #define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */ 4830 4831 /* The HINT_NEW_* constants are used by the overload pragma */ 4832 #define HINT_NEW_INTEGER 0x00001000 4833 #define HINT_NEW_FLOAT 0x00002000 4834 #define HINT_NEW_BINARY 0x00004000 4835 #define HINT_NEW_STRING 0x00008000 4836 #define HINT_NEW_RE 0x00010000 4837 #define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */ 4838 #define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */ 4839 #define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */ 4840 4841 #define HINT_RE_TAINT 0x00100000 /* re pragma */ 4842 #define HINT_RE_EVAL 0x00200000 /* re pragma */ 4843 4844 #define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */ 4845 #define HINT_UTF8 0x00800000 /* utf8 pragma */ 4846 4847 #define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */ 4848 4849 #define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */ 4850 4851 #define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */ 4852 4853 /* Note: Used for NATIVE_HINTS, currently 4854 defined by vms/vmsish.h: 4855 0x40000000 4856 0x80000000 4857 */ 4858 4859 /* The following are stored in $^H{sort}, not in PL_hints */ 4860 #define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */ 4861 #define HINT_SORT_QUICKSORT 0x00000001 4862 #define HINT_SORT_MERGESORT 0x00000002 4863 #define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */ 4864 4865 /* Various states of the input record separator SV (rs) */ 4866 #define RsSNARF(sv) (! SvOK(sv)) 4867 #define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv))) 4868 #define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv)) 4869 #define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0)) 4870 4871 /* A struct for keeping various DEBUGGING related stuff, 4872 * neatly packed. Currently only scratch variables for 4873 * constructing debug output are included. Needed always, 4874 * not just when DEBUGGING, though, because of the re extension. c*/ 4875 struct perl_debug_pad { 4876 SV pad[3]; 4877 }; 4878 4879 #define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i]) 4880 #define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \ 4881 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \ 4882 PERL_DEBUG_PAD(i)) 4883 4884 /* Enable variables which are pointers to functions */ 4885 typedef void (*peep_t)(pTHX_ OP* o); 4886 typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm); 4887 typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg, 4888 char* strend, char* strbeg, I32 minend, 4889 SV* screamer, void* data, U32 flags); 4890 typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv, 4891 char *strpos, char *strend, 4892 U32 flags, 4893 re_scream_pos_data *d); 4894 typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog); 4895 typedef void (*regfree_t) (pTHX_ struct regexp* r); 4896 typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param); 4897 typedef I32 (*re_fold_t)(const char *, char const *, I32); 4898 4899 typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*); 4900 typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*); 4901 typedef void (*SVFUNC_t) (pTHX_ SV* const); 4902 typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const); 4903 typedef void (*XSINIT_t) (pTHX); 4904 typedef void (*ATEXIT_t) (pTHX_ void*); 4905 typedef void (*XSUBADDR_t) (pTHX_ CV *); 4906 4907 typedef OP* (*Perl_ppaddr_t)(pTHX); 4908 typedef OP* (*Perl_check_t) (pTHX_ OP*); 4909 typedef void(*Perl_ophook_t)(pTHX_ OP*); 4910 typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**); 4911 typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *); 4912 4913 typedef void(*globhook_t)(pTHX); 4914 4915 #define KEYWORD_PLUGIN_DECLINE 0 4916 #define KEYWORD_PLUGIN_STMT 1 4917 #define KEYWORD_PLUGIN_EXPR 2 4918 4919 /* Interpreter exitlist entry */ 4920 typedef struct exitlistentry { 4921 void (*fn) (pTHX_ void*); 4922 void *ptr; 4923 } PerlExitListEntry; 4924 4925 /* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */ 4926 /* These have to be before perlvars.h */ 4927 #if !defined(HAS_SIGACTION) && defined(VMS) 4928 # define FAKE_PERSISTENT_SIGNAL_HANDLERS 4929 #endif 4930 /* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */ 4931 #if defined(KILL_BY_SIGPRC) 4932 # define FAKE_DEFAULT_SIGNAL_HANDLERS 4933 #endif 4934 4935 #if !defined(MULTIPLICITY) 4936 4937 struct interpreter { 4938 char broiled; 4939 }; 4940 4941 #else 4942 4943 /* If we have multiple interpreters define a struct 4944 holding variables which must be per-interpreter 4945 If we don't have threads anything that would have 4946 be per-thread is per-interpreter. 4947 */ 4948 4949 /* Set up PERLVAR macros for populating structs */ 4950 # define PERLVAR(prefix,var,type) type prefix##var; 4951 # define PERLVARA(prefix,var,n,type) type prefix##var[n]; 4952 # define PERLVARI(prefix,var,type,init) type prefix##var; 4953 # define PERLVARIC(prefix,var,type,init) type prefix##var; 4954 4955 struct interpreter { 4956 # include "intrpvar.h" 4957 }; 4958 4959 EXTCONST U16 PL_interp_size 4960 INIT(sizeof(struct interpreter)); 4961 4962 # define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \ 4963 STRUCT_OFFSET(struct interpreter, member) + \ 4964 sizeof(((struct interpreter*)0)->member) 4965 4966 /* This will be useful for subsequent releases, because this has to be the 4967 same in your libperl as in main(), else you have a mismatch and must abort. 4968 */ 4969 EXTCONST U16 PL_interp_size_5_16_0 4970 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_16_0_INTERP_MEMBER)); 4971 4972 4973 # ifdef PERL_GLOBAL_STRUCT 4974 /* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined, 4975 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */ 4976 4977 struct perl_vars { 4978 # include "perlvars.h" 4979 }; 4980 4981 EXTCONST U16 PL_global_struct_size 4982 INIT(sizeof(struct perl_vars)); 4983 4984 # ifdef PERL_CORE 4985 # ifndef PERL_GLOBAL_STRUCT_PRIVATE 4986 EXT struct perl_vars PL_Vars; 4987 EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars); 4988 # undef PERL_GET_VARS 4989 # define PERL_GET_VARS() PL_VarsPtr 4990 # endif /* !PERL_GLOBAL_STRUCT_PRIVATE */ 4991 # else /* PERL_CORE */ 4992 # if !defined(__GNUC__) || !defined(WIN32) 4993 EXT 4994 # endif /* WIN32 */ 4995 struct perl_vars *PL_VarsPtr; 4996 # define PL_Vars (*((PL_VarsPtr) \ 4997 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX)))) 4998 # endif /* PERL_CORE */ 4999 # endif /* PERL_GLOBAL_STRUCT */ 5000 5001 /* Done with PERLVAR macros for now ... */ 5002 # undef PERLVAR 5003 # undef PERLVARA 5004 # undef PERLVARI 5005 # undef PERLVARIC 5006 5007 #endif /* MULTIPLICITY */ 5008 5009 struct tempsym; /* defined in pp_pack.c */ 5010 5011 #include "thread.h" 5012 #include "pp.h" 5013 5014 #ifndef PERL_CALLCONV 5015 # ifdef __cplusplus 5016 # define PERL_CALLCONV extern "C" 5017 # else 5018 # define PERL_CALLCONV 5019 # endif 5020 #endif 5021 #undef PERL_CKDEF 5022 #undef PERL_PPDEF 5023 #define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o); 5024 #define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX); 5025 5026 #ifdef MYMALLOC 5027 # include "malloc_ctl.h" 5028 #endif 5029 5030 #include "proto.h" 5031 5032 /* this has structure inits, so it cannot be included before here */ 5033 #include "opcode.h" 5034 5035 /* The following must follow proto.h as #defines mess up syntax */ 5036 5037 #if !defined(PERL_FOR_X2P) 5038 # include "embedvar.h" 5039 #endif 5040 #ifndef PERL_MAD 5041 # undef PL_madskills 5042 # undef PL_xmlfp 5043 # define PL_madskills 0 5044 # define PL_xmlfp 0 5045 #endif 5046 5047 /* Now include all the 'global' variables 5048 * If we don't have threads or multiple interpreters 5049 * these include variables that would have been their struct-s 5050 */ 5051 5052 #define PERLVAR(prefix,var,type) EXT type PL_##var; 5053 #define PERLVARA(prefix,var,n,type) EXT type PL_##var[n]; 5054 #define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init); 5055 #define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init); 5056 5057 #if !defined(MULTIPLICITY) 5058 START_EXTERN_C 5059 # include "intrpvar.h" 5060 END_EXTERN_C 5061 #endif 5062 5063 #ifdef PERL_CORE 5064 /* All core uses now exterminated. Ensure no zombies can return: */ 5065 # undef PL_na 5066 #endif 5067 5068 /* Now all the config stuff is setup we can include embed.h 5069 In particular, need the relevant *ish file included already, as it may 5070 define HAVE_INTERP_INTERN */ 5071 #include "embed.h" 5072 #ifndef PERL_MAD 5073 # undef op_getmad 5074 # define op_getmad(arg,pegop,slot) NOOP 5075 #endif 5076 5077 #ifndef PERL_GLOBAL_STRUCT 5078 START_EXTERN_C 5079 5080 # include "perlvars.h" 5081 5082 END_EXTERN_C 5083 #endif 5084 5085 #undef PERLVAR 5086 #undef PERLVARA 5087 #undef PERLVARI 5088 #undef PERLVARIC 5089 5090 START_EXTERN_C 5091 5092 /* dummy variables that hold pointers to both runops functions, thus forcing 5093 * them *both* to get linked in (useful for Peek.xs, debugging etc) */ 5094 5095 EXTCONST runops_proc_t PL_runops_std 5096 INIT(Perl_runops_standard); 5097 EXTCONST runops_proc_t PL_runops_dbg 5098 INIT(Perl_runops_debug); 5099 5100 /* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the 5101 * magic vtables const, but this is incompatible with SWIG which 5102 * does want to modify the vtables. */ 5103 #ifdef PERL_GLOBAL_STRUCT_PRIVATE 5104 # define EXT_MGVTBL EXTCONST MGVTBL 5105 #else 5106 # define EXT_MGVTBL EXT MGVTBL 5107 #endif 5108 5109 #define PERL_MAGIC_READONLY_ACCEPTABLE 0x40 5110 #define PERL_MAGIC_VALUE_MAGIC 0x80 5111 #define PERL_MAGIC_VTABLE_MASK 0x3F 5112 #define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \ 5113 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE) 5114 #define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \ 5115 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC) 5116 5117 #include "mg_vtable.h" 5118 5119 #ifdef DOINIT 5120 EXTCONST U8 PL_magic_data[256] = 5121 # ifdef PERL_MICRO 5122 # include "umg_data.h" 5123 # else 5124 # include "mg_data.h" 5125 # endif 5126 ; 5127 #else 5128 EXTCONST U8 PL_magic_data[256]; 5129 #endif 5130 5131 #ifdef DOINIT 5132 /* NL BD IV NV PV PI PN MG RX GV LV AV HV CV FM IO */ 5133 EXTCONST bool 5134 PL_valid_types_IVX[] = { 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 }; 5135 EXTCONST bool 5136 PL_valid_types_NVX[] = { 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 }; 5137 EXTCONST bool 5138 PL_valid_types_PVX[] = { 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1 }; 5139 EXTCONST bool 5140 PL_valid_types_RV[] = { 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 }; 5141 EXTCONST bool 5142 PL_valid_types_IV_set[] = { 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 }; 5143 EXTCONST bool 5144 PL_valid_types_NV_set[] = { 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 }; 5145 5146 #else 5147 5148 EXTCONST bool PL_valid_types_IVX[]; 5149 EXTCONST bool PL_valid_types_NVX[]; 5150 EXTCONST bool PL_valid_types_PVX[]; 5151 EXTCONST bool PL_valid_types_RV[]; 5152 EXTCONST bool PL_valid_types_IV_set[]; 5153 EXTCONST bool PL_valid_types_NV_set[]; 5154 5155 #endif 5156 5157 5158 #include "overload.h" 5159 5160 END_EXTERN_C 5161 5162 struct am_table { 5163 U8 flags; 5164 U8 fallback; 5165 U16 spare; 5166 U32 was_ok_sub; 5167 long was_ok_am; 5168 CV* table[NofAMmeth]; 5169 }; 5170 struct am_table_short { 5171 U8 flags; 5172 U8 fallback; 5173 U16 spare; 5174 U32 was_ok_sub; 5175 long was_ok_am; 5176 }; 5177 typedef struct am_table AMT; 5178 typedef struct am_table_short AMTS; 5179 5180 #define AMGfallNEVER 1 5181 #define AMGfallNO 2 5182 #define AMGfallYES 3 5183 5184 #define AMTf_AMAGIC 1 5185 #define AMTf_OVERLOADED 2 5186 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC) 5187 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC) 5188 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC) 5189 #define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED) 5190 #define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED) 5191 #define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED) 5192 5193 #define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg)) 5194 5195 /* 5196 * some compilers like to redefine cos et alia as faster 5197 * (and less accurate?) versions called F_cos et cetera (Quidquid 5198 * latine dictum sit, altum viditur.) This trick collides with 5199 * the Perl overloading (amg). The following #defines fool both. 5200 */ 5201 5202 #ifdef _FASTMATH 5203 # ifdef atan2 5204 # define F_atan2_amg atan2_amg 5205 # endif 5206 # ifdef cos 5207 # define F_cos_amg cos_amg 5208 # endif 5209 # ifdef exp 5210 # define F_exp_amg exp_amg 5211 # endif 5212 # ifdef log 5213 # define F_log_amg log_amg 5214 # endif 5215 # ifdef pow 5216 # define F_pow_amg pow_amg 5217 # endif 5218 # ifdef sin 5219 # define F_sin_amg sin_amg 5220 # endif 5221 # ifdef sqrt 5222 # define F_sqrt_amg sqrt_amg 5223 # endif 5224 #endif /* _FASTMATH */ 5225 5226 #define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \ 5227 PERLDBf_NOOPT | PERLDBf_INTER | \ 5228 PERLDBf_SUBLINE| PERLDBf_SINGLE| \ 5229 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \ 5230 PERLDBf_SAVESRC) 5231 /* No _NONAME, _GOTO */ 5232 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit */ 5233 #define PERLDBf_LINE 0x02 /* Keep line # */ 5234 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations */ 5235 #define PERLDBf_INTER 0x08 /* Preserve more data for 5236 later inspections */ 5237 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */ 5238 #define PERLDBf_SINGLE 0x20 /* Start with single-step on */ 5239 #define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */ 5240 #define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */ 5241 #define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */ 5242 #define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */ 5243 #define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */ 5244 #define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */ 5245 #define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */ 5246 5247 #define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB)) 5248 #define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE)) 5249 #define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT)) 5250 #define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER)) 5251 #define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE)) 5252 #define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE)) 5253 #define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME))) 5254 #define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO)) 5255 #define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL)) 5256 #define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON)) 5257 #define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC)) 5258 #define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS)) 5259 #define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID)) 5260 5261 #ifdef USE_LOCALE_NUMERIC 5262 5263 #define SET_NUMERIC_STANDARD() \ 5264 set_numeric_standard(); 5265 5266 #define SET_NUMERIC_LOCAL() \ 5267 set_numeric_local(); 5268 5269 /* Returns non-zero If the plain locale pragma without a parameter is in effect 5270 */ 5271 #define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE) 5272 5273 /* Returns non-zero If either form of the locale pragma is in effect */ 5274 #define IN_SOME_LOCALE_FORM_RUNTIME \ 5275 (CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS)) 5276 5277 #define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE) 5278 #define IN_SOME_LOCALE_FORM_COMPILETIME \ 5279 (PL_hints & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS)) 5280 5281 #define IN_LOCALE \ 5282 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME) 5283 #define IN_SOME_LOCALE_FORM \ 5284 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \ 5285 : IN_SOME_LOCALE_FORM_RUNTIME) 5286 5287 #define STORE_NUMERIC_LOCAL_SET_STANDARD() \ 5288 bool was_local = PL_numeric_local && IN_LOCALE; \ 5289 if (was_local) SET_NUMERIC_STANDARD(); 5290 5291 #define STORE_NUMERIC_STANDARD_SET_LOCAL() \ 5292 bool was_standard = PL_numeric_standard && IN_LOCALE; \ 5293 if (was_standard) SET_NUMERIC_LOCAL(); 5294 5295 #define RESTORE_NUMERIC_LOCAL() \ 5296 if (was_local) SET_NUMERIC_LOCAL(); 5297 5298 #define RESTORE_NUMERIC_STANDARD() \ 5299 if (was_standard) SET_NUMERIC_STANDARD(); 5300 5301 #define Atof my_atof 5302 5303 #else /* !USE_LOCALE_NUMERIC */ 5304 5305 #define SET_NUMERIC_STANDARD() /**/ 5306 #define SET_NUMERIC_LOCAL() /**/ 5307 #define IS_NUMERIC_RADIX(a, b) (0) 5308 #define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/ 5309 #define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/ 5310 #define RESTORE_NUMERIC_LOCAL() /**/ 5311 #define RESTORE_NUMERIC_STANDARD() /**/ 5312 #define Atof my_atof 5313 #define IN_LOCALE_RUNTIME 0 5314 #define IN_LOCALE_COMPILETIME 0 5315 5316 #endif /* !USE_LOCALE_NUMERIC */ 5317 5318 #if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG 5319 # ifdef __hpux 5320 # define strtoll __strtoll /* secret handshake */ 5321 # endif 5322 # ifdef WIN64 5323 # define strtoll _strtoi64 /* secret handshake */ 5324 # endif 5325 # if !defined(Strtol) && defined(HAS_STRTOLL) 5326 # define Strtol strtoll 5327 # endif 5328 # if !defined(Strtol) && defined(HAS_STRTOQ) 5329 # define Strtol strtoq 5330 # endif 5331 /* is there atoq() anywhere? */ 5332 #endif 5333 #if !defined(Strtol) && defined(HAS_STRTOL) 5334 # define Strtol strtol 5335 #endif 5336 #ifndef Atol 5337 /* It would be more fashionable to use Strtol() to define atol() 5338 * (as is done for Atoul(), see below) but for backward compatibility 5339 * we just assume atol(). */ 5340 # if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL) 5341 # ifdef WIN64 5342 # define atoll _atoi64 /* secret handshake */ 5343 # endif 5344 # define Atol atoll 5345 # else 5346 # define Atol atol 5347 # endif 5348 #endif 5349 5350 #if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG 5351 # ifdef __hpux 5352 # define strtoull __strtoull /* secret handshake */ 5353 # endif 5354 # ifdef WIN64 5355 # define strtoull _strtoui64 /* secret handshake */ 5356 # endif 5357 # if !defined(Strtoul) && defined(HAS_STRTOULL) 5358 # define Strtoul strtoull 5359 # endif 5360 # if !defined(Strtoul) && defined(HAS_STRTOUQ) 5361 # define Strtoul strtouq 5362 # endif 5363 /* is there atouq() anywhere? */ 5364 #endif 5365 #if !defined(Strtoul) && defined(HAS_STRTOUL) 5366 # define Strtoul strtoul 5367 #endif 5368 #if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */ 5369 # define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b)) 5370 #endif 5371 #ifndef Atoul 5372 # define Atoul(s) Strtoul(s, NULL, 10) 5373 #endif 5374 5375 5376 /* if these never got defined, they need defaults */ 5377 #ifndef PERL_SET_CONTEXT 5378 # define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i) 5379 #endif 5380 5381 #ifndef PERL_GET_CONTEXT 5382 # define PERL_GET_CONTEXT PERL_GET_INTERP 5383 #endif 5384 5385 #ifndef PERL_GET_THX 5386 # define PERL_GET_THX ((void*)NULL) 5387 #endif 5388 5389 #ifndef PERL_SET_THX 5390 # define PERL_SET_THX(t) NOOP 5391 #endif 5392 5393 #ifndef PERL_SCRIPT_MODE 5394 #define PERL_SCRIPT_MODE "r" 5395 #endif 5396 5397 /* 5398 * Some operating systems are stingy with stack allocation, 5399 * so perl may have to guard against stack overflow. 5400 */ 5401 #ifndef PERL_STACK_OVERFLOW_CHECK 5402 #define PERL_STACK_OVERFLOW_CHECK() NOOP 5403 #endif 5404 5405 /* 5406 * Some nonpreemptive operating systems find it convenient to 5407 * check for asynchronous conditions after each op execution. 5408 * Keep this check simple, or it may slow down execution 5409 * massively. 5410 */ 5411 5412 #ifndef PERL_MICRO 5413 # ifndef PERL_ASYNC_CHECK 5414 # define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX) 5415 # endif 5416 #endif 5417 5418 #ifndef PERL_ASYNC_CHECK 5419 # define PERL_ASYNC_CHECK() NOOP 5420 #endif 5421 5422 /* 5423 * On some operating systems, a memory allocation may succeed, 5424 * but put the process too close to the system's comfort limit. 5425 * In this case, PERL_ALLOC_CHECK frees the pointer and sets 5426 * it to NULL. 5427 */ 5428 #ifndef PERL_ALLOC_CHECK 5429 #define PERL_ALLOC_CHECK(p) NOOP 5430 #endif 5431 5432 #ifdef HAS_SEM 5433 # include <sys/ipc.h> 5434 # include <sys/sem.h> 5435 # ifndef HAS_UNION_SEMUN /* Provide the union semun. */ 5436 union semun { 5437 int val; 5438 struct semid_ds *buf; 5439 unsigned short *array; 5440 }; 5441 # endif 5442 # ifdef USE_SEMCTL_SEMUN 5443 # ifdef IRIX32_SEMUN_BROKEN_BY_GCC 5444 union gccbug_semun { 5445 int val; 5446 struct semid_ds *buf; 5447 unsigned short *array; 5448 char __dummy[5]; 5449 }; 5450 # define semun gccbug_semun 5451 # endif 5452 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun) 5453 # else 5454 # ifdef USE_SEMCTL_SEMID_DS 5455 # ifdef EXTRA_F_IN_SEMUN_BUF 5456 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff) 5457 # else 5458 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf) 5459 # endif 5460 # endif 5461 # endif 5462 #endif 5463 5464 /* 5465 * Boilerplate macros for initializing and accessing interpreter-local 5466 * data from C. All statics in extensions should be reworked to use 5467 * this, if you want to make the extension thread-safe. See 5468 * ext/XS/APItest/APItest.xs for an example of the use of these macros, 5469 * and perlxs.pod for more. 5470 * 5471 * Code that uses these macros is responsible for the following: 5472 * 1. #define MY_CXT_KEY to a unique string, e.g. 5473 * "DynaLoader::_guts" XS_VERSION 5474 * XXX in the current implementation, this string is ignored. 5475 * 2. Declare a typedef named my_cxt_t that is a structure that contains 5476 * all the data that needs to be interpreter-local. 5477 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t. 5478 * 4. Use the MY_CXT_INIT macro such that it is called exactly once 5479 * (typically put in the BOOT: section). 5480 * 5. Use the members of the my_cxt_t structure everywhere as 5481 * MY_CXT.member. 5482 * 6. Use the dMY_CXT macro (a declaration) in all the functions that 5483 * access MY_CXT. 5484 */ 5485 5486 #if defined(PERL_IMPLICIT_CONTEXT) 5487 5488 /* START_MY_CXT must appear in all extensions that define a my_cxt_t structure, 5489 * right after the definition (i.e. at file scope). The non-threads 5490 * case below uses it to declare the data as static. */ 5491 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 5492 # define START_MY_CXT 5493 # define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY) 5494 # define MY_CXT_INIT_ARG MY_CXT_KEY 5495 # else 5496 # define START_MY_CXT static int my_cxt_index = -1; 5497 # define MY_CXT_INDEX my_cxt_index 5498 # define MY_CXT_INIT_ARG &my_cxt_index 5499 # endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */ 5500 5501 /* Creates and zeroes the per-interpreter data. 5502 * (We allocate my_cxtp in a Perl SV so that it will be released when 5503 * the interpreter goes away.) */ 5504 # define MY_CXT_INIT \ 5505 my_cxt_t *my_cxtp = \ 5506 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \ 5507 PERL_UNUSED_VAR(my_cxtp) 5508 # define MY_CXT_INIT_INTERP(my_perl) \ 5509 my_cxt_t *my_cxtp = \ 5510 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \ 5511 PERL_UNUSED_VAR(my_cxtp) 5512 5513 /* This declaration should be used within all functions that use the 5514 * interpreter-local data. */ 5515 # define dMY_CXT \ 5516 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX] 5517 # define dMY_CXT_INTERP(my_perl) \ 5518 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX] 5519 5520 /* Clones the per-interpreter data. */ 5521 # define MY_CXT_CLONE \ 5522 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\ 5523 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\ 5524 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \ 5525 5526 5527 /* This macro must be used to access members of the my_cxt_t structure. 5528 * e.g. MY_CXT.some_data */ 5529 # define MY_CXT (*my_cxtp) 5530 5531 /* Judicious use of these macros can reduce the number of times dMY_CXT 5532 * is used. Use is similar to pTHX, aTHX etc. */ 5533 # define pMY_CXT my_cxt_t *my_cxtp 5534 # define pMY_CXT_ pMY_CXT, 5535 # define _pMY_CXT ,pMY_CXT 5536 # define aMY_CXT my_cxtp 5537 # define aMY_CXT_ aMY_CXT, 5538 # define _aMY_CXT ,aMY_CXT 5539 5540 #else /* PERL_IMPLICIT_CONTEXT */ 5541 5542 # define START_MY_CXT static my_cxt_t my_cxt; 5543 # define dMY_CXT_SV dNOOP 5544 # define dMY_CXT dNOOP 5545 # define dMY_CXT_INTERP(my_perl) dNOOP 5546 # define MY_CXT_INIT NOOP 5547 # define MY_CXT_CLONE NOOP 5548 # define MY_CXT my_cxt 5549 5550 # define pMY_CXT void 5551 # define pMY_CXT_ 5552 # define _pMY_CXT 5553 # define aMY_CXT 5554 # define aMY_CXT_ 5555 # define _aMY_CXT 5556 5557 #endif /* !defined(PERL_IMPLICIT_CONTEXT) */ 5558 5559 #ifdef I_FCNTL 5560 # include <fcntl.h> 5561 #endif 5562 5563 #ifdef __Lynx__ 5564 # include <fcntl.h> 5565 #endif 5566 5567 #ifdef I_SYS_FILE 5568 # include <sys/file.h> 5569 #endif 5570 5571 #if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO) 5572 int flock(int fd, int op); 5573 #endif 5574 5575 #ifndef O_RDONLY 5576 /* Assume UNIX defaults */ 5577 # define O_RDONLY 0000 5578 # define O_WRONLY 0001 5579 # define O_RDWR 0002 5580 # define O_CREAT 0100 5581 #endif 5582 5583 #ifndef O_BINARY 5584 # define O_BINARY 0 5585 #endif 5586 5587 #ifndef O_TEXT 5588 # define O_TEXT 0 5589 #endif 5590 5591 #if O_TEXT != O_BINARY 5592 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop, 5593 * that is, you are somehow DOSish. */ 5594 # if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \ 5595 defined(__CYGWIN__) 5596 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect; 5597 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */ 5598 /* VOS has O_TEXT != O_BINARY, and they have effect, 5599 * but VOS always uses LF, never CRLF. */ 5600 /* If you have O_TEXT different from your O_BINARY but you still are 5601 * not a CRLF shop. */ 5602 # undef PERLIO_USING_CRLF 5603 # else 5604 /* If you really are DOSish. */ 5605 # define PERLIO_USING_CRLF 1 5606 # endif 5607 #endif 5608 5609 #ifdef I_LIBUTIL 5610 # include <libutil.h> /* setproctitle() in some FreeBSDs */ 5611 #endif 5612 5613 #ifndef EXEC_ARGV_CAST 5614 #define EXEC_ARGV_CAST(x) (char **)x 5615 #endif 5616 5617 #define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not 5618 int). value returned in pointed- 5619 to UV */ 5620 #define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */ 5621 #define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */ 5622 #define IS_NUMBER_NEG 0x08 /* leading minus sign */ 5623 #define IS_NUMBER_INFINITY 0x10 /* this is big */ 5624 #define IS_NUMBER_NAN 0x20 /* this is not */ 5625 5626 #define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send) 5627 5628 /* Input flags: */ 5629 #define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */ 5630 #define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */ 5631 #define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */ 5632 #define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large 5633 numbers which are <= UV_MAX */ 5634 /* Output flags: */ 5635 #define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */ 5636 5637 /* to let user control profiling */ 5638 #ifdef PERL_GPROF_CONTROL 5639 extern void moncontrol(int); 5640 #define PERL_GPROF_MONCONTROL(x) moncontrol(x) 5641 #else 5642 #define PERL_GPROF_MONCONTROL(x) 5643 #endif 5644 5645 #ifdef UNDER_CE 5646 #include "wince.h" 5647 #endif 5648 5649 /* ISO 6429 NEL - C1 control NExt Line */ 5650 /* See http://www.unicode.org/unicode/reports/tr13/ */ 5651 #ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */ 5652 # if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */ 5653 # define NEXT_LINE_CHAR 0x15 5654 # else /* CDRA */ 5655 # define NEXT_LINE_CHAR 0x25 5656 # endif 5657 #else 5658 # define NEXT_LINE_CHAR 0x85 5659 #endif 5660 5661 /* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */ 5662 #define UNICODE_LINE_SEPA_0 0xE2 5663 #define UNICODE_LINE_SEPA_1 0x80 5664 #define UNICODE_LINE_SEPA_2 0xA8 5665 #define UNICODE_PARA_SEPA_0 0xE2 5666 #define UNICODE_PARA_SEPA_1 0x80 5667 #define UNICODE_PARA_SEPA_2 0xA9 5668 5669 #ifndef PIPESOCK_MODE 5670 # define PIPESOCK_MODE 5671 #endif 5672 5673 #ifndef SOCKET_OPEN_MODE 5674 # define SOCKET_OPEN_MODE PIPESOCK_MODE 5675 #endif 5676 5677 #ifndef PIPE_OPEN_MODE 5678 # define PIPE_OPEN_MODE PIPESOCK_MODE 5679 #endif 5680 5681 #define PERL_MAGIC_UTF8_CACHESIZE 2 5682 5683 #define PERL_UNICODE_STDIN_FLAG 0x0001 5684 #define PERL_UNICODE_STDOUT_FLAG 0x0002 5685 #define PERL_UNICODE_STDERR_FLAG 0x0004 5686 #define PERL_UNICODE_IN_FLAG 0x0008 5687 #define PERL_UNICODE_OUT_FLAG 0x0010 5688 #define PERL_UNICODE_ARGV_FLAG 0x0020 5689 #define PERL_UNICODE_LOCALE_FLAG 0x0040 5690 #define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */ 5691 #define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100 5692 5693 #define PERL_UNICODE_STD_FLAG \ 5694 (PERL_UNICODE_STDIN_FLAG | \ 5695 PERL_UNICODE_STDOUT_FLAG | \ 5696 PERL_UNICODE_STDERR_FLAG) 5697 5698 #define PERL_UNICODE_INOUT_FLAG \ 5699 (PERL_UNICODE_IN_FLAG | \ 5700 PERL_UNICODE_OUT_FLAG) 5701 5702 #define PERL_UNICODE_DEFAULT_FLAGS \ 5703 (PERL_UNICODE_STD_FLAG | \ 5704 PERL_UNICODE_INOUT_FLAG | \ 5705 PERL_UNICODE_LOCALE_FLAG) 5706 5707 #define PERL_UNICODE_ALL_FLAGS 0x01ff 5708 5709 #define PERL_UNICODE_STDIN 'I' 5710 #define PERL_UNICODE_STDOUT 'O' 5711 #define PERL_UNICODE_STDERR 'E' 5712 #define PERL_UNICODE_STD 'S' 5713 #define PERL_UNICODE_IN 'i' 5714 #define PERL_UNICODE_OUT 'o' 5715 #define PERL_UNICODE_INOUT 'D' 5716 #define PERL_UNICODE_ARGV 'A' 5717 #define PERL_UNICODE_LOCALE 'L' 5718 #define PERL_UNICODE_WIDESYSCALLS 'W' 5719 #define PERL_UNICODE_UTF8CACHEASSERT 'a' 5720 5721 #define PERL_SIGNALS_UNSAFE_FLAG 0x0001 5722 5723 /* Use instead of abs() since abs() forces its argument to be an int, 5724 * but also beware since this evaluates its argument twice, so no x++. */ 5725 #define PERL_ABS(x) ((x) < 0 ? -(x) : (x)) 5726 5727 #if defined(__DECC) && defined(__osf__) 5728 #pragma message disable (mainparm) /* Perl uses the envp in main(). */ 5729 #endif 5730 5731 #define do_open(g, n, l, a, rm, rp, sf) \ 5732 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0) 5733 #ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION 5734 # define do_exec(cmd) do_exec3(cmd,0,0) 5735 #endif 5736 #ifdef OS2 5737 # define do_aexec Perl_do_aexec 5738 #else 5739 # define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0) 5740 #endif 5741 5742 #if defined(OEMVS) 5743 #define NO_ENV_ARRAY_IN_MAIN 5744 #endif 5745 5746 /* These are used by Perl_pv_escape() and Perl_pv_pretty() 5747 * are here so that they are available throughout the core 5748 * NOTE that even though some are for _escape and some for _pretty 5749 * there must not be any clashes as the flags from _pretty are 5750 * passed straight through to _escape. 5751 */ 5752 5753 #define PERL_PV_ESCAPE_QUOTE 0x0001 5754 #define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE 5755 5756 #define PERL_PV_PRETTY_ELLIPSES 0x0002 5757 #define PERL_PV_PRETTY_LTGT 0x0004 5758 5759 #define PERL_PV_ESCAPE_FIRSTCHAR 0x0008 5760 5761 #define PERL_PV_ESCAPE_UNI 0x0100 5762 #define PERL_PV_ESCAPE_UNI_DETECT 0x0200 5763 #define PERL_PV_ESCAPE_NONASCII 0x0400 5764 5765 #define PERL_PV_ESCAPE_ALL 0x1000 5766 #define PERL_PV_ESCAPE_NOBACKSLASH 0x2000 5767 #define PERL_PV_ESCAPE_NOCLEAR 0x4000 5768 #define PERL_PV_ESCAPE_RE 0x8000 5769 5770 #define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR 5771 5772 /* used by pv_display in dump.c*/ 5773 #define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE 5774 #define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII 5775 5776 /* 5777 5778 (KEEP THIS LAST IN perl.h!) 5779 5780 Mention 5781 5782 NV_PRESERVES_UV 5783 5784 HAS_MKSTEMP 5785 HAS_MKSTEMPS 5786 HAS_MKDTEMP 5787 5788 HAS_GETCWD 5789 5790 HAS_MMAP 5791 HAS_MPROTECT 5792 HAS_MSYNC 5793 HAS_MADVISE 5794 HAS_MUNMAP 5795 I_SYSMMAN 5796 Mmap_t 5797 5798 NVef 5799 NVff 5800 NVgf 5801 5802 HAS_UALARM 5803 HAS_USLEEP 5804 5805 HAS_SETITIMER 5806 HAS_GETITIMER 5807 5808 HAS_SENDMSG 5809 HAS_RECVMSG 5810 HAS_READV 5811 HAS_WRITEV 5812 I_SYSUIO 5813 HAS_STRUCT_MSGHDR 5814 HAS_STRUCT_CMSGHDR 5815 5816 HAS_NL_LANGINFO 5817 5818 HAS_DIRFD 5819 5820 so that Configure picks them up. 5821 5822 (KEEP THIS LAST IN perl.h!) 5823 5824 */ 5825 5826 #endif /* Include guard */ 5827 5828 /* 5829 * Local variables: 5830 * c-indentation-style: bsd 5831 * c-basic-offset: 4 5832 * indent-tabs-mode: t 5833 * End: 5834 * 5835 * ex: set ts=8 sts=4 sw=4 noet: 5836 */ 5837