1 /* perl.h 2 * 3 * Copyright (c) 1987-2002, Larry Wall 4 * 5 * You may distribute under the terms of either the GNU General Public 6 * License or the Artistic License, as specified in the README file. 7 * 8 */ 9 10 #ifndef H_PERL 11 #define H_PERL 1 12 13 #ifdef PERL_FOR_X2P 14 /* 15 * This file is being used for x2p stuff. 16 * Above symbol is defined via -D in 'x2p/Makefile.SH' 17 * Decouple x2p stuff from some of perls more extreme eccentricities. 18 */ 19 #undef MULTIPLICITY 20 #undef USE_STDIO 21 #define USE_STDIO 22 #endif /* PERL_FOR_X2P */ 23 24 #if defined(DGUX) 25 #include <sys/fcntl.h> 26 #endif 27 28 #ifdef VOIDUSED 29 # undef VOIDUSED 30 #endif 31 #define VOIDUSED 1 32 33 #ifdef PERL_MICRO 34 # include "uconfig.h" 35 #else 36 # include "config.h" 37 #endif 38 39 #if defined(USE_ITHREADS) && defined(USE_5005THREADS) 40 # include "error: USE_ITHREADS and USE_5005THREADS are incompatible" 41 #endif 42 43 /* XXX This next guard can disappear if the sources are revised 44 to use USE_5005THREADS throughout. -- A.D 1/6/2000 45 */ 46 #if defined(USE_ITHREADS) && defined(USE_5005THREADS) 47 # include "error: USE_ITHREADS and USE_5005THREADS are incompatible" 48 #endif 49 50 /* See L<perlguts/"The Perl API"> for detailed notes on 51 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */ 52 53 /* Note that from here --> to <-- the same logic is 54 * repeated in makedef.pl, so be certain to update 55 * both places when editing. */ 56 57 #ifdef PERL_IMPLICIT_SYS 58 /* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem 59 so use slab allocator to avoid lots of MUTEX overhead 60 */ 61 # ifndef PL_OP_SLAB_ALLOC 62 # define PL_OP_SLAB_ALLOC 63 # endif 64 #endif 65 66 #ifdef USE_ITHREADS 67 # if !defined(MULTIPLICITY) 68 # define MULTIPLICITY 69 # endif 70 #endif 71 72 #ifdef USE_5005THREADS 73 # ifndef PERL_IMPLICIT_CONTEXT 74 # define PERL_IMPLICIT_CONTEXT 75 # endif 76 #endif 77 78 #if defined(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 /* Use the reentrant APIs like localtime_r and getpwent_r */ 91 /* Win32 has naturally threadsafe libraries, no need to use any _r variants. */ 92 #if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(__APPLE__) 93 # define USE_REENTRANT_API 94 #endif 95 96 /* <--- here ends the logic shared by perl.h and makedef.pl */ 97 98 #ifdef PERL_IMPLICIT_CONTEXT 99 # ifdef USE_5005THREADS 100 struct perl_thread; 101 # define pTHX register struct perl_thread *thr PERL_UNUSED_DECL 102 # define aTHX thr 103 # define dTHR dNOOP /* only backward compatibility */ 104 # define dTHXa(a) pTHX = (struct perl_thread*)a 105 # else 106 # ifndef MULTIPLICITY 107 # define MULTIPLICITY 108 # endif 109 # define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL 110 # define aTHX my_perl 111 # define dTHXa(a) pTHX = (PerlInterpreter*)a 112 # endif 113 # define dTHX pTHX = PERL_GET_THX 114 # define pTHX_ pTHX, 115 # define aTHX_ aTHX, 116 # define pTHX_1 2 117 # define pTHX_2 3 118 # define pTHX_3 4 119 # define pTHX_4 5 120 #endif 121 122 #define STATIC static 123 #define CPERLscope(x) x 124 #define CPERLarg void 125 #define CPERLarg_ 126 #define _CPERLarg 127 #define PERL_OBJECT_THIS 128 #define _PERL_OBJECT_THIS 129 #define PERL_OBJECT_THIS_ 130 #define CALL_FPTR(fptr) (*fptr) 131 132 #define CALLRUNOPS CALL_FPTR(PL_runops) 133 #define CALLREGCOMP CALL_FPTR(PL_regcompp) 134 #define CALLREGEXEC CALL_FPTR(PL_regexecp) 135 #define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start) 136 #define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string) 137 #define CALLREGFREE CALL_FPTR(PL_regfree) 138 139 #ifdef PERL_FLEXIBLE_EXCEPTIONS 140 # define CALLPROTECT CALL_FPTR(PL_protect) 141 #endif 142 143 #ifdef HASATTRIBUTE 144 # if defined(__GNUC__) && defined(__cplusplus) 145 # define PERL_UNUSED_DECL 146 # else 147 # define PERL_UNUSED_DECL __attribute__((unused)) 148 # endif 149 #else 150 # define PERL_UNUSED_DECL 151 #endif 152 153 /* gcc -Wall: 154 * for silencing unused variables that are actually used most of the time, 155 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs 156 */ 157 #define PERL_UNUSED_VAR(var) if (0) var = var 158 159 #define NOOP (void)0 160 #define dNOOP extern int Perl___notused PERL_UNUSED_DECL 161 162 #ifndef pTHX 163 # define pTHX void 164 # define pTHX_ 165 # define aTHX 166 # define aTHX_ 167 # define dTHXa(a) dNOOP 168 # define dTHX dNOOP 169 # define pTHX_1 1 170 # define pTHX_2 2 171 # define pTHX_3 3 172 # define pTHX_4 4 173 #endif 174 175 /* these are only defined for compatibility; should not be used internally */ 176 #if !defined(pTHXo) && !defined(PERL_CORE) 177 # define pTHXo pTHX 178 # define pTHXo_ pTHX_ 179 # define aTHXo aTHX 180 # define aTHXo_ aTHX_ 181 # define dTHXo dTHX 182 # define dTHXoa(x) dTHXa(x) 183 #endif 184 185 #ifndef pTHXx 186 # define pTHXx register PerlInterpreter *my_perl 187 # define pTHXx_ pTHXx, 188 # define aTHXx my_perl 189 # define aTHXx_ aTHXx, 190 # define dTHXx dTHX 191 #endif 192 193 /* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation) 194 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...). 195 * dTHXs is therefore needed for all functions using PerlIO_foo(). */ 196 #ifdef PERL_IMPLICIT_SYS 197 # define dTHXs dTHX 198 #else 199 # define dTHXs dNOOP 200 #endif 201 202 #undef START_EXTERN_C 203 #undef END_EXTERN_C 204 #undef EXTERN_C 205 #ifdef __cplusplus 206 # define START_EXTERN_C extern "C" { 207 # define END_EXTERN_C } 208 # define EXTERN_C extern "C" 209 #else 210 # define START_EXTERN_C 211 # define END_EXTERN_C 212 # define EXTERN_C extern 213 #endif 214 215 #ifdef OP_IN_REGISTER 216 # ifdef __GNUC__ 217 # define stringify_immed(s) #s 218 # define stringify(s) stringify_immed(s) 219 register struct op *Perl_op asm(stringify(OP_IN_REGISTER)); 220 # endif 221 #endif 222 223 /* 224 * STMT_START { statements; } STMT_END; 225 * can be used as a single statement, as in 226 * if (x) STMT_START { ... } STMT_END; else ... 227 * 228 * Trying to select a version that gives no warnings... 229 */ 230 #if !(defined(STMT_START) && defined(STMT_END)) 231 # if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus) 232 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */ 233 # define STMT_END ) 234 # else 235 /* Now which other defined()s do we need here ??? */ 236 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) 237 # define STMT_START if (1) 238 # define STMT_END else (void)0 239 # else 240 # define STMT_START do 241 # define STMT_END while (0) 242 # endif 243 # endif 244 #endif 245 246 #define WITH_THX(s) STMT_START { dTHX; s; } STMT_END 247 #define WITH_THR(s) WITH_THX(s) 248 249 /* 250 * SOFT_CAST can be used for args to prototyped functions to retain some 251 * type checking; it only casts if the compiler does not know prototypes. 252 */ 253 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE) 254 #define SOFT_CAST(type) 255 #else 256 #define SOFT_CAST(type) (type) 257 #endif 258 259 #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */ 260 # define BYTEORDER 0x1234 261 #endif 262 263 /* Overall memory policy? */ 264 #ifndef CONSERVATIVE 265 # define LIBERAL 1 266 #endif 267 268 #if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90 269 #define ASCIIish 270 #else 271 #undef ASCIIish 272 #endif 273 274 /* 275 * The following contortions are brought to you on behalf of all the 276 * standards, semi-standards, de facto standards, not-so-de-facto standards 277 * of the world, as well as all the other botches anyone ever thought of. 278 * The basic theory is that if we work hard enough here, the rest of the 279 * code can be a lot prettier. Well, so much for theory. Sorry, Henry... 280 */ 281 282 /* define this once if either system, instead of cluttering up the src */ 283 #if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE) 284 #define DOSISH 1 285 #endif 286 287 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE) 288 # define STANDARD_C 1 289 #endif 290 291 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) 292 # define DONT_DECLARE_STD 1 293 #endif 294 295 #if defined(HASVOLATILE) || defined(STANDARD_C) 296 # ifdef __cplusplus 297 # define VOL /* to temporarily suppress warnings */ 298 # else 299 # define VOL volatile 300 # endif 301 #else 302 # define VOL 303 #endif 304 305 #define TAINT (PL_tainted = TRUE) 306 #define TAINT_NOT (PL_tainted = FALSE) 307 #define TAINT_IF(c) if (c) { PL_tainted = TRUE; } 308 #define TAINT_ENV() if (PL_tainting) { taint_env(); } 309 #define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); } 310 311 /* XXX All process group stuff is handled in pp_sys.c. Should these 312 defines move there? If so, I could simplify this a lot. --AD 9/96. 313 */ 314 /* Process group stuff changed from traditional BSD to POSIX. 315 perlfunc.pod documents the traditional BSD-style syntax, so we'll 316 try to preserve that, if possible. 317 */ 318 #ifdef HAS_SETPGID 319 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp)) 320 #else 321 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP) 322 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp)) 323 # else 324 # ifdef HAS_SETPGRP2 /* DG/UX */ 325 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp)) 326 # endif 327 # endif 328 #endif 329 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP) 330 # define HAS_SETPGRP /* Well, effectively it does . . . */ 331 #endif 332 333 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes 334 our life easier :-) so we'll try it. 335 */ 336 #ifdef HAS_GETPGID 337 # define BSD_GETPGRP(pid) getpgid((pid)) 338 #else 339 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP) 340 # define BSD_GETPGRP(pid) getpgrp((pid)) 341 # else 342 # ifdef HAS_GETPGRP2 /* DG/UX */ 343 # define BSD_GETPGRP(pid) getpgrp2((pid)) 344 # endif 345 # endif 346 #endif 347 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP) 348 # define HAS_GETPGRP /* Well, effectively it does . . . */ 349 #endif 350 351 /* These are not exact synonyms, since setpgrp() and getpgrp() may 352 have different behaviors, but perl.h used to define USE_BSDPGRP 353 (prior to 5.003_05) so some extension might depend on it. 354 */ 355 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP) 356 # ifndef USE_BSDPGRP 357 # define USE_BSDPGRP 358 # endif 359 #endif 360 361 /* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that 362 pthread.h must be included before all other header files. 363 */ 364 #if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) \ 365 && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD) 366 # include <pthread.h> 367 #endif 368 369 #ifndef _TYPES_ /* If types.h defines this it's easy. */ 370 # ifndef major /* Does everyone's types.h define this? */ 371 # include <sys/types.h> 372 # endif 373 #endif 374 375 #ifdef __cplusplus 376 # ifndef I_STDARG 377 # define I_STDARG 1 378 # endif 379 #endif 380 381 #ifdef I_STDARG 382 # include <stdarg.h> 383 #else 384 # ifdef I_VARARGS 385 # include <varargs.h> 386 # endif 387 #endif 388 389 #ifdef USE_NEXT_CTYPE 390 391 #if NX_CURRENT_COMPILER_RELEASE >= 500 392 # include <bsd/ctypes.h> 393 #else 394 # if NX_CURRENT_COMPILER_RELEASE >= 400 395 # include <objc/NXCType.h> 396 # else /* NX_CURRENT_COMPILER_RELEASE < 400 */ 397 # include <appkit/NXCType.h> 398 # endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */ 399 #endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */ 400 401 #else /* !USE_NEXT_CTYPE */ 402 #include <ctype.h> 403 #endif /* USE_NEXT_CTYPE */ 404 405 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */ 406 #undef METHOD 407 #endif 408 409 #ifdef PERL_MICRO 410 # define NO_LOCALE 411 #endif 412 413 #ifdef I_LOCALE 414 # include <locale.h> 415 #endif 416 417 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE) 418 # define USE_LOCALE 419 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \ 420 && defined(HAS_STRXFRM) 421 # define USE_LOCALE_COLLATE 422 # endif 423 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE) 424 # define USE_LOCALE_CTYPE 425 # endif 426 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC) 427 # define USE_LOCALE_NUMERIC 428 # endif 429 #endif /* !NO_LOCALE && HAS_SETLOCALE */ 430 431 #include <setjmp.h> 432 433 #ifdef I_SYS_PARAM 434 # ifdef PARAM_NEEDS_TYPES 435 # include <sys/types.h> 436 # endif 437 # include <sys/param.h> 438 #endif 439 440 /* Use all the "standard" definitions? */ 441 #if defined(STANDARD_C) && defined(I_STDLIB) 442 # include <stdlib.h> 443 #endif 444 445 /* If this causes problems, set i_unistd=undef in the hint file. */ 446 #ifdef I_UNISTD 447 # include <unistd.h> 448 #endif 449 450 #if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO) 451 int syscall(int, ...); 452 #endif 453 454 #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO) 455 int usleep(unsigned int); 456 #endif 457 458 #ifdef PERL_MICRO /* Last chance to export Perl_my_swap */ 459 # define MYSWAP 460 #endif 461 462 /* Cannot include embed.h here on Win32 as win32.h has not 463 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN 464 */ 465 #if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS)) 466 # include "embed.h" 467 #endif 468 469 #define MEM_SIZE Size_t 470 471 #if defined(STANDARD_C) && defined(I_STDDEF) 472 # include <stddef.h> 473 # define STRUCT_OFFSET(s,m) offsetof(s,m) 474 #else 475 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m)) 476 #endif 477 478 #if defined(I_STRING) || defined(__cplusplus) 479 # include <string.h> 480 #else 481 # include <strings.h> 482 #endif 483 484 /* This comes after <stdlib.h> so we don't try to change the standard 485 * library prototypes; we'll use our own in proto.h instead. */ 486 487 #ifdef MYMALLOC 488 # ifdef PERL_POLLUTE_MALLOC 489 # ifndef PERL_EXTMALLOC_DEF 490 # define Perl_malloc malloc 491 # define Perl_calloc calloc 492 # define Perl_realloc realloc 493 # define Perl_mfree free 494 # endif 495 # else 496 # define EMBEDMYMALLOC /* for compatibility */ 497 # endif 498 START_EXTERN_C 499 Malloc_t Perl_malloc (MEM_SIZE nbytes); 500 Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size); 501 Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes); 502 /* 'mfree' rather than 'free', since there is already a 'perl_free' 503 * that causes clashes with case-insensitive linkers */ 504 Free_t Perl_mfree (Malloc_t where); 505 END_EXTERN_C 506 507 typedef struct perl_mstats perl_mstats_t; 508 509 # define safemalloc Perl_malloc 510 # define safecalloc Perl_calloc 511 # define saferealloc Perl_realloc 512 # define safefree Perl_mfree 513 #else /* MYMALLOC */ 514 # define safemalloc safesysmalloc 515 # define safecalloc safesyscalloc 516 # define saferealloc safesysrealloc 517 # define safefree safesysfree 518 #endif /* MYMALLOC */ 519 520 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr) 521 #define strchr index 522 #define strrchr rindex 523 #endif 524 525 #ifdef I_MEMORY 526 # include <memory.h> 527 #endif 528 529 #ifdef HAS_MEMCPY 530 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) 531 # ifndef memcpy 532 extern char * memcpy (char*, char*, int); 533 # endif 534 # endif 535 #else 536 # ifndef memcpy 537 # ifdef HAS_BCOPY 538 # define memcpy(d,s,l) bcopy(s,d,l) 539 # else 540 # define memcpy(d,s,l) my_bcopy(s,d,l) 541 # endif 542 # endif 543 #endif /* HAS_MEMCPY */ 544 545 #ifdef HAS_MEMSET 546 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) 547 # ifndef memset 548 extern char *memset (char*, int, int); 549 # endif 550 # endif 551 #else 552 # undef memset 553 # define memset(d,c,l) my_memset(d,c,l) 554 #endif /* HAS_MEMSET */ 555 556 #if !defined(HAS_MEMMOVE) && !defined(memmove) 557 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY) 558 # define memmove(d,s,l) bcopy(s,d,l) 559 # else 560 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY) 561 # define memmove(d,s,l) memcpy(d,s,l) 562 # else 563 # define memmove(d,s,l) my_bcopy(s,d,l) 564 # endif 565 # endif 566 #endif 567 568 #if defined(mips) && defined(ultrix) && !defined(__STDC__) 569 # undef HAS_MEMCMP 570 #endif 571 572 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP) 573 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY) 574 # ifndef memcmp 575 extern int memcmp (char*, char*, int); 576 # endif 577 # endif 578 # ifdef BUGGY_MSC 579 # pragma function(memcmp) 580 # endif 581 #else 582 # ifndef memcmp 583 # define memcmp my_memcmp 584 # endif 585 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */ 586 587 #ifndef memzero 588 # ifdef HAS_MEMSET 589 # define memzero(d,l) memset(d,0,l) 590 # else 591 # ifdef HAS_BZERO 592 # define memzero(d,l) bzero(d,l) 593 # else 594 # define memzero(d,l) my_bzero(d,l) 595 # endif 596 # endif 597 #endif 598 599 #ifndef memchr 600 # ifndef HAS_MEMCHR 601 # define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1) 602 # endif 603 #endif 604 605 #ifndef HAS_BCMP 606 # ifndef bcmp 607 # define bcmp(s1,s2,l) memcmp(s1,s2,l) 608 # endif 609 #endif /* !HAS_BCMP */ 610 611 #ifdef I_NETINET_IN 612 # include <netinet/in.h> 613 #endif 614 615 #ifdef I_ARPA_INET 616 # include <arpa/inet.h> 617 #endif 618 619 #if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO) 620 /* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND 621 * (the neo-BSD seem to do this). */ 622 # undef SF_APPEND 623 #endif 624 625 #ifdef I_SYS_STAT 626 # include <sys/stat.h> 627 #endif 628 629 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives 630 like UTekV) are broken, sometimes giving false positives. Undefine 631 them here and let the code below set them to proper values. 632 633 The ghs macro stands for GreenHills Software C-1.8.5 which 634 is the C compiler for sysV88 and the various derivatives. 635 This header file bug is corrected in gcc-2.5.8 and later versions. 636 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */ 637 638 #if defined(uts) || (defined(m88k) && defined(ghs)) 639 # undef S_ISDIR 640 # undef S_ISCHR 641 # undef S_ISBLK 642 # undef S_ISREG 643 # undef S_ISFIFO 644 # undef S_ISLNK 645 #endif 646 647 #ifdef I_TIME 648 # include <time.h> 649 #endif 650 651 #ifdef I_SYS_TIME 652 # ifdef I_SYS_TIME_KERNEL 653 # define KERNEL 654 # endif 655 # include <sys/time.h> 656 # ifdef I_SYS_TIME_KERNEL 657 # undef KERNEL 658 # endif 659 #endif 660 661 #if defined(HAS_TIMES) && defined(I_SYS_TIMES) 662 # include <sys/times.h> 663 #endif 664 665 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR)) 666 # undef HAS_STRERROR 667 #endif 668 669 #include <errno.h> 670 671 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS) 672 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */ 673 #endif 674 675 /* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */ 676 #if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) 677 # define _SOCKADDR_LEN 678 #endif 679 680 #if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */ 681 # include <sys/socket.h> 682 # if defined(USE_SOCKS) && defined(I_SOCKS) 683 # if !defined(INCLUDE_PROTOTYPES) 684 # define INCLUDE_PROTOTYPES /* for <socks.h> */ 685 # define PERL_SOCKS_NEED_PROTOTYPES 686 # endif 687 # ifdef USE_5005THREADS 688 # define PERL_USE_THREADS /* store our value */ 689 # undef USE_5005THREADS 690 # endif 691 # include <socks.h> 692 # ifdef USE_5005THREADS 693 # undef USE_5005THREADS /* socks.h does this on its own */ 694 # endif 695 # ifdef PERL_USE_THREADS 696 # define USE_5005THREADS /* restore our value */ 697 # undef PERL_USE_THREADS 698 # endif 699 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */ 700 # undef INCLUDE_PROTOTYPES 701 # undef PERL_SOCKS_NEED_PROTOTYPES 702 # endif 703 # endif 704 # ifdef I_NETDB 705 # ifdef NETWARE 706 # include<stdio.h> 707 # endif 708 # include <netdb.h> 709 # endif 710 # ifndef ENOTSOCK 711 # ifdef I_NET_ERRNO 712 # include <net/errno.h> 713 # endif 714 # endif 715 #endif 716 717 /* sockatmark() is so new (2001) that many places might have it hidden 718 * behind some -D_BLAH_BLAH_SOURCE guard. */ 719 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO) 720 int sockatmark(int); 721 #endif 722 723 #ifdef SETERRNO 724 # undef SETERRNO /* SOCKS might have defined this */ 725 #endif 726 727 #ifdef VMS 728 # define SETERRNO(errcode,vmserrcode) \ 729 STMT_START { \ 730 set_errno(errcode); \ 731 set_vaxc_errno(vmserrcode); \ 732 } STMT_END 733 #else 734 # define SETERRNO(errcode,vmserrcode) (errno = (errcode)) 735 #endif 736 737 #ifdef USE_5005THREADS 738 # define ERRSV (thr->errsv) 739 # define DEFSV THREADSV(0) 740 # define SAVE_DEFSV save_threadsv(0) 741 #else 742 # define ERRSV GvSV(PL_errgv) 743 # define DEFSV GvSV(PL_defgv) 744 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv)) 745 #endif /* USE_5005THREADS */ 746 747 #define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */ 748 749 #ifndef errno 750 extern int errno; /* ANSI allows errno to be an lvalue expr. 751 * For example in multithreaded environments 752 * something like this might happen: 753 * extern int *_errno(void); 754 * #define errno (*_errno()) */ 755 #endif 756 757 #ifdef HAS_STRERROR 758 # ifdef VMS 759 char *strerror (int,...); 760 # else 761 #ifndef DONT_DECLARE_STD 762 char *strerror (int); 763 #endif 764 # endif 765 # ifndef Strerror 766 # define Strerror strerror 767 # endif 768 #else 769 # ifdef HAS_SYS_ERRLIST 770 extern int sys_nerr; 771 extern char *sys_errlist[]; 772 # ifndef Strerror 773 # define Strerror(e) \ 774 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e]) 775 # endif 776 # endif 777 #endif 778 779 #ifdef I_SYS_IOCTL 780 # ifndef _IOCTL_ 781 # include <sys/ioctl.h> 782 # endif 783 #endif 784 785 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000) 786 # ifdef HAS_SOCKETPAIR 787 # undef HAS_SOCKETPAIR 788 # endif 789 # ifdef I_NDBM 790 # undef I_NDBM 791 # endif 792 #endif 793 794 #ifndef HAS_SOCKETPAIR 795 # ifdef HAS_SOCKET 796 # define socketpair Perl_my_socketpair 797 # endif 798 #endif 799 800 #if INTSIZE == 2 801 # define htoni htons 802 # define ntohi ntohs 803 #else 804 # define htoni htonl 805 # define ntohi ntohl 806 #endif 807 808 /* Configure already sets Direntry_t */ 809 #if defined(I_DIRENT) 810 # include <dirent.h> 811 /* NeXT needs dirent + sys/dir.h */ 812 # if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__)) 813 # include <sys/dir.h> 814 # endif 815 #else 816 # ifdef I_SYS_NDIR 817 # include <sys/ndir.h> 818 # else 819 # ifdef I_SYS_DIR 820 # ifdef hp9000s500 821 # include <ndir.h> /* may be wrong in the future */ 822 # else 823 # include <sys/dir.h> 824 # endif 825 # endif 826 # endif 827 #endif 828 829 #ifdef PERL_MICRO 830 # ifndef DIR 831 # define DIR void 832 # endif 833 #endif 834 835 #ifdef FPUTS_BOTCH 836 /* work around botch in SunOS 4.0.1 and 4.0.2 */ 837 # ifndef fputs 838 # define fputs(sv,fp) fprintf(fp,"%s",sv) 839 # endif 840 #endif 841 842 /* 843 * The following gobbledygook brought to you on behalf of __STDC__. 844 * (I could just use #ifndef __STDC__, but this is more bulletproof 845 * in the face of half-implementations.) 846 */ 847 848 #if defined(I_SYSMODE) && !defined(PERL_MICRO) 849 #include <sys/mode.h> 850 #endif 851 852 #ifndef S_IFMT 853 # ifdef _S_IFMT 854 # define S_IFMT _S_IFMT 855 # else 856 # define S_IFMT 0170000 857 # endif 858 #endif 859 860 #ifndef S_ISDIR 861 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR) 862 #endif 863 864 #ifndef S_ISCHR 865 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR) 866 #endif 867 868 #ifndef S_ISBLK 869 # ifdef S_IFBLK 870 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK) 871 # else 872 # define S_ISBLK(m) (0) 873 # endif 874 #endif 875 876 #ifndef S_ISREG 877 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG) 878 #endif 879 880 #ifndef S_ISFIFO 881 # ifdef S_IFIFO 882 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO) 883 # else 884 # define S_ISFIFO(m) (0) 885 # endif 886 #endif 887 888 #ifndef S_ISLNK 889 # ifdef _S_ISLNK 890 # define S_ISLNK(m) _S_ISLNK(m) 891 # else 892 # ifdef _S_IFLNK 893 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK) 894 # else 895 # ifdef S_IFLNK 896 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK) 897 # else 898 # define S_ISLNK(m) (0) 899 # endif 900 # endif 901 # endif 902 #endif 903 904 #ifndef S_ISSOCK 905 # ifdef _S_ISSOCK 906 # define S_ISSOCK(m) _S_ISSOCK(m) 907 # else 908 # ifdef _S_IFSOCK 909 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK) 910 # else 911 # ifdef S_IFSOCK 912 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK) 913 # else 914 # define S_ISSOCK(m) (0) 915 # endif 916 # endif 917 # endif 918 #endif 919 920 #ifndef S_IRUSR 921 # ifdef S_IREAD 922 # define S_IRUSR S_IREAD 923 # define S_IWUSR S_IWRITE 924 # define S_IXUSR S_IEXEC 925 # else 926 # define S_IRUSR 0400 927 # define S_IWUSR 0200 928 # define S_IXUSR 0100 929 # endif 930 #endif 931 932 #ifndef S_IRGRP 933 # ifdef S_IRUSR 934 # define S_IRGRP (S_IRUSR>>3) 935 # define S_IWGRP (S_IWUSR>>3) 936 # define S_IXGRP (S_IXUSR>>3) 937 # else 938 # define S_IRGRP 0040 939 # define S_IWGRP 0020 940 # define S_IXGRP 0010 941 # endif 942 #endif 943 944 #ifndef S_IROTH 945 # ifdef S_IRUSR 946 # define S_IROTH (S_IRUSR>>6) 947 # define S_IWOTH (S_IWUSR>>6) 948 # define S_IXOTH (S_IXUSR>>6) 949 # else 950 # define S_IROTH 0040 951 # define S_IWOTH 0020 952 # define S_IXOTH 0010 953 # endif 954 #endif 955 956 #ifndef S_ISUID 957 # define S_ISUID 04000 958 #endif 959 960 #ifndef S_ISGID 961 # define S_ISGID 02000 962 #endif 963 964 #ifndef S_IRWXU 965 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR) 966 #endif 967 968 #ifndef S_IRWXG 969 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP) 970 #endif 971 972 #ifndef S_IRWXO 973 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH) 974 #endif 975 976 /* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h> 977 * which would get included through <sys/file.h >, but that is 3000 978 * lines in the future. --jhi */ 979 980 #if !defined(S_IREAD) && !defined(__BEOS__) 981 # define S_IREAD S_IRUSR 982 #endif 983 984 #if !defined(S_IWRITE) && !defined(__BEOS__) 985 # define S_IWRITE S_IWUSR 986 #endif 987 988 #ifndef S_IEXEC 989 # define S_IEXEC S_IXUSR 990 #endif 991 992 #ifdef ff_next 993 # undef ff_next 994 #endif 995 996 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr) 997 # define SLOPPYDIVIDE 998 #endif 999 1000 #ifdef UV 1001 #undef UV 1002 #endif 1003 1004 #ifdef SPRINTF_E_BUG 1005 # define sprintf UTS_sprintf_wrap 1006 #endif 1007 1008 /* Configure gets this right but the UTS compiler gets it wrong. 1009 -- Hal Morris <hom00@utsglobal.com> */ 1010 #ifdef UTS 1011 # undef UVTYPE 1012 # define UVTYPE unsigned 1013 #endif 1014 1015 /* 1016 The IV type is supposed to be long enough to hold any integral 1017 value or a pointer. 1018 --Andy Dougherty August 1996 1019 */ 1020 1021 typedef IVTYPE IV; 1022 typedef UVTYPE UV; 1023 1024 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD) 1025 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX) 1026 # define IV_MAX INT64_MAX 1027 # define IV_MIN INT64_MIN 1028 # define UV_MAX UINT64_MAX 1029 # ifndef UINT64_MIN 1030 # define UINT64_MIN 0 1031 # endif 1032 # define UV_MIN UINT64_MIN 1033 # else 1034 # define IV_MAX PERL_QUAD_MAX 1035 # define IV_MIN PERL_QUAD_MIN 1036 # define UV_MAX PERL_UQUAD_MAX 1037 # define UV_MIN PERL_UQUAD_MIN 1038 # endif 1039 # define IV_IS_QUAD 1040 # define UV_IS_QUAD 1041 #else 1042 # if defined(INT32_MAX) && IVSIZE == 4 1043 # define IV_MAX INT32_MAX 1044 # define IV_MIN INT32_MIN 1045 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */ 1046 # define UV_MAX UINT32_MAX 1047 # else 1048 # define UV_MAX 4294967295U 1049 # endif 1050 # ifndef UINT32_MIN 1051 # define UINT32_MIN 0 1052 # endif 1053 # define UV_MIN UINT32_MIN 1054 # else 1055 # define IV_MAX PERL_LONG_MAX 1056 # define IV_MIN PERL_LONG_MIN 1057 # define UV_MAX PERL_ULONG_MAX 1058 # define UV_MIN PERL_ULONG_MIN 1059 # endif 1060 # if IVSIZE == 8 1061 # define IV_IS_QUAD 1062 # define UV_IS_QUAD 1063 # ifndef HAS_QUAD 1064 # define HAS_QUAD 1065 # endif 1066 # else 1067 # undef IV_IS_QUAD 1068 # undef UV_IS_QUAD 1069 # undef HAS_QUAD 1070 # endif 1071 #endif 1072 1073 #if defined(uts) || defined(UTS) 1074 # undef UV_MAX 1075 # define UV_MAX (4294967295u) 1076 #endif 1077 1078 #define IV_DIG (BIT_DIGITS(IVSIZE * 8)) 1079 #define UV_DIG (BIT_DIGITS(UVSIZE * 8)) 1080 1081 #ifndef NO_PERL_PRESERVE_IVUV 1082 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */ 1083 #endif 1084 1085 /* 1086 * The macros INT2PTR and NUM2PTR are (despite their names) 1087 * bi-directional: they will convert int/float to or from pointers. 1088 * However the conversion to int/float are named explicitly: 1089 * PTR2IV, PTR2UV, PTR2NV. 1090 * 1091 * For int conversions we do not need two casts if pointers are 1092 * the same size as IV and UV. Otherwise we need an explicit 1093 * cast (PTRV) to avoid compiler warnings. 1094 */ 1095 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE) 1096 # define PTRV UV 1097 # define INT2PTR(any,d) (any)(d) 1098 #else 1099 # if PTRSIZE == LONGSIZE 1100 # define PTRV unsigned long 1101 # else 1102 # define PTRV unsigned 1103 # endif 1104 # define INT2PTR(any,d) (any)(PTRV)(d) 1105 #endif 1106 #define NUM2PTR(any,d) (any)(PTRV)(d) 1107 #define PTR2IV(p) INT2PTR(IV,p) 1108 #define PTR2UV(p) INT2PTR(UV,p) 1109 #define PTR2NV(p) NUM2PTR(NV,p) 1110 #if PTRSIZE == LONGSIZE 1111 # define PTR2ul(p) (unsigned long)(p) 1112 #else 1113 # define PTR2ul(p) INT2PTR(unsigned long,p) 1114 #endif 1115 1116 #ifdef USE_LONG_DOUBLE 1117 # if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE 1118 # define LONG_DOUBLE_EQUALS_DOUBLE 1119 # endif 1120 # if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE)) 1121 # undef USE_LONG_DOUBLE /* Ouch! */ 1122 # endif 1123 #endif 1124 1125 #ifdef OVR_DBL_DIG 1126 /* Use an overridden DBL_DIG */ 1127 # ifdef DBL_DIG 1128 # undef DBL_DIG 1129 # endif 1130 # define DBL_DIG OVR_DBL_DIG 1131 #else 1132 /* The following is all to get DBL_DIG, in order to pick a nice 1133 default value for printing floating point numbers in Gconvert. 1134 (see config.h) 1135 */ 1136 #ifdef I_LIMITS 1137 #include <limits.h> 1138 #endif 1139 #ifdef I_FLOAT 1140 #include <float.h> 1141 #endif 1142 #ifndef HAS_DBL_DIG 1143 #define DBL_DIG 15 /* A guess that works lots of places */ 1144 #endif 1145 #endif 1146 #ifdef I_FLOAT 1147 #include <float.h> 1148 #endif 1149 #ifndef HAS_DBL_DIG 1150 #define DBL_DIG 15 /* A guess that works lots of places */ 1151 #endif 1152 1153 #ifdef OVR_LDBL_DIG 1154 /* Use an overridden LDBL_DIG */ 1155 # ifdef LDBL_DIG 1156 # undef LDBL_DIG 1157 # endif 1158 # define LDBL_DIG OVR_LDBL_DIG 1159 #else 1160 /* The following is all to get LDBL_DIG, in order to pick a nice 1161 default value for printing floating point numbers in Gconvert. 1162 (see config.h) 1163 */ 1164 # ifdef I_LIMITS 1165 # include <limits.h> 1166 # endif 1167 # ifdef I_FLOAT 1168 # include <float.h> 1169 # endif 1170 # ifndef HAS_LDBL_DIG 1171 # if LONG_DOUBLESIZE == 10 1172 # define LDBL_DIG 18 /* assume IEEE */ 1173 # else 1174 # if LONG_DOUBLESIZE == 12 1175 # define LDBL_DIG 18 /* gcc? */ 1176 # else 1177 # if LONG_DOUBLESIZE == 16 1178 # define LDBL_DIG 33 /* assume IEEE */ 1179 # else 1180 # if LONG_DOUBLESIZE == DOUBLESIZE 1181 # define LDBL_DIG DBL_DIG /* bummer */ 1182 # endif 1183 # endif 1184 # endif 1185 # endif 1186 # endif 1187 #endif 1188 1189 typedef NVTYPE NV; 1190 1191 #ifdef I_IEEEFP 1192 # include <ieeefp.h> 1193 #endif 1194 1195 #ifdef USE_LONG_DOUBLE 1196 # ifdef I_SUNMATH 1197 # include <sunmath.h> 1198 # endif 1199 # define NV_DIG LDBL_DIG 1200 # ifdef LDBL_MANT_DIG 1201 # define NV_MANT_DIG LDBL_MANT_DIG 1202 # endif 1203 # ifdef LDBL_MIN 1204 # define NV_MIN LDBL_MIN 1205 # endif 1206 # ifdef LDBL_MAX 1207 # define NV_MAX LDBL_MAX 1208 # endif 1209 # ifdef LDBL_MIN_10_EXP 1210 # define NV_MIN_10_EXP LDBL_MIN_10_EXP 1211 # endif 1212 # ifdef LDBL_MAX_10_EXP 1213 # define NV_MAX_10_EXP LDBL_MAX_10_EXP 1214 # endif 1215 # ifdef LDBL_EPSILON 1216 # define NV_EPSILON LDBL_EPSILON 1217 # endif 1218 # ifdef LDBL_MAX 1219 # define NV_MAX LDBL_MAX 1220 # define NV_MIN LDBL_MIN 1221 # else 1222 # ifdef HUGE_VALL 1223 # define NV_MAX HUGE_VALL 1224 # else 1225 # ifdef HUGE_VAL 1226 # define NV_MAX ((NV)HUGE_VAL) 1227 # endif 1228 # endif 1229 # endif 1230 # ifdef HAS_SQRTL 1231 # define Perl_cos cosl 1232 # define Perl_sin sinl 1233 # define Perl_sqrt sqrtl 1234 # define Perl_exp expl 1235 # define Perl_log logl 1236 # define Perl_atan2 atan2l 1237 # define Perl_pow powl 1238 # define Perl_floor floorl 1239 # define Perl_fmod fmodl 1240 # endif 1241 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */ 1242 # ifdef HAS_MODFL 1243 # define Perl_modf(x,y) modfl(x,y) 1244 # else 1245 # define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y))) 1246 # endif 1247 # ifdef HAS_FREXPL 1248 # define Perl_frexp(x,y) frexpl(x,y) 1249 # else 1250 # define Perl_frexp(x,y) ((long double)frexp((double)(x),y)) 1251 # endif 1252 # ifndef Perl_isnan 1253 # ifdef HAS_ISNANL 1254 # define Perl_isnan(x) isnanl(x) 1255 # endif 1256 # endif 1257 # ifndef Perl_isinf 1258 # ifdef HAS_FINITEL 1259 # define Perl_isinf(x) !(finitel(x)||Perl_isnan(x)) 1260 # endif 1261 # endif 1262 #else 1263 # define NV_DIG DBL_DIG 1264 # ifdef DBL_MANT_DIG 1265 # define NV_MANT_DIG DBL_MANT_DIG 1266 # endif 1267 # ifdef DBL_MIN 1268 # define NV_MIN DBL_MIN 1269 # endif 1270 # ifdef DBL_MAX 1271 # define NV_MAX DBL_MAX 1272 # endif 1273 # ifdef DBL_MIN_10_EXP 1274 # define NV_MIN_10_EXP DBL_MIN_10_EXP 1275 # endif 1276 # ifdef DBL_MAX_10_EXP 1277 # define NV_MAX_10_EXP DBL_MAX_10_EXP 1278 # endif 1279 # ifdef DBL_EPSILON 1280 # define NV_EPSILON DBL_EPSILON 1281 # endif 1282 # ifdef DBL_MAX 1283 # define NV_MAX DBL_MAX 1284 # define NV_MIN DBL_MIN 1285 # else 1286 # ifdef HUGE_VAL 1287 # define NV_MAX HUGE_VAL 1288 # endif 1289 # endif 1290 # define Perl_cos cos 1291 # define Perl_sin sin 1292 # define Perl_sqrt sqrt 1293 # define Perl_exp exp 1294 # define Perl_log log 1295 # define Perl_atan2 atan2 1296 # define Perl_pow pow 1297 # define Perl_floor floor 1298 # define Perl_fmod fmod 1299 # define Perl_modf(x,y) modf(x,y) 1300 # define Perl_frexp(x,y) frexp(x,y) 1301 #endif 1302 1303 /* rumor has it that Win32 has _fpclass() */ 1304 1305 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL)) 1306 # ifdef I_IEEFP 1307 # include <ieeefp.h> 1308 # endif 1309 # ifdef I_FP 1310 # include <fp.h> 1311 # endif 1312 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL) 1313 # define Perl_fp_class() fpclassl(x) 1314 # else 1315 # define Perl_fp_class() fpclass(x) 1316 # endif 1317 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN) 1318 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN) 1319 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN) 1320 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF) 1321 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF) 1322 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF) 1323 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM) 1324 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM) 1325 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM) 1326 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM) 1327 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM) 1328 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM) 1329 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO) 1330 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO) 1331 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO) 1332 #endif 1333 1334 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO) 1335 # include <math.h> 1336 # if !defined(FP_SNAN) && defined(I_FP_CLASS) 1337 # include <fp_class.h> 1338 # endif 1339 # define Perl_fp_class(x) fp_class(x) 1340 # define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN) 1341 # define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN) 1342 # define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN) 1343 # define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF) 1344 # define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF) 1345 # define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF) 1346 # define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM) 1347 # define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM) 1348 # define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM) 1349 # define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM) 1350 # define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM) 1351 # define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM) 1352 # define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO) 1353 # define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO) 1354 # define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO) 1355 #endif 1356 1357 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY) 1358 # include <math.h> 1359 # define Perl_fp_class(x) fpclassify(x) 1360 # define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN) 1361 # define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE) 1362 # define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL) 1363 # define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL) 1364 # define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO) 1365 #endif 1366 1367 #if !defined(Perl_fp_class) && defined(HAS_CLASS) 1368 # include <math.h> 1369 # ifndef _cplusplus 1370 # define Perl_fp_class(x) class(x) 1371 # else 1372 # define Perl_fp_class(x) _class(x) 1373 # endif 1374 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS) 1375 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ) 1376 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN) 1377 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF) 1378 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF) 1379 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF) 1380 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM) 1381 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM) 1382 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM) 1383 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM) 1384 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM) 1385 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM) 1386 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO) 1387 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO) 1388 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO) 1389 #endif 1390 1391 /* rumor has it that Win32 has _isnan() */ 1392 1393 #ifndef Perl_isnan 1394 # ifdef HAS_ISNAN 1395 # define Perl_isnan(x) isnan((NV)x) 1396 # else 1397 # ifdef Perl_fp_class_nan 1398 # define Perl_isnan(x) Perl_fp_class_nan(x) 1399 # else 1400 # ifdef HAS_UNORDERED 1401 # define Perl_isnan(x) unordered((x), 0.0) 1402 # else 1403 # define Perl_isnan(x) ((x)!=(x)) 1404 # endif 1405 # endif 1406 # endif 1407 #endif 1408 1409 #ifdef UNDER_CE 1410 int isnan(double d); 1411 #endif 1412 1413 #ifndef Perl_isinf 1414 # ifdef HAS_ISINF 1415 # define Perl_isinf(x) isinf((NV)x) 1416 # else 1417 # ifdef Perl_fp_class_inf 1418 # define Perl_isinf(x) Perl_fp_class_inf(x) 1419 # else 1420 # define Perl_isinf(x) ((x)==NV_INF) 1421 # endif 1422 # endif 1423 #endif 1424 1425 #ifndef Perl_isfinite 1426 # ifdef HAS_FINITE 1427 # define Perl_isfinite(x) finite((NV)x) 1428 # else 1429 # ifdef HAS_ISFINITE 1430 # define Perl_isfinite(x) isfinite(x) 1431 # else 1432 # ifdef Perl_fp_class_finite 1433 # define Perl_isfinite(x) Perl_fp_class_finite(x) 1434 # else 1435 # define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x)) 1436 # endif 1437 # endif 1438 # endif 1439 #endif 1440 1441 /* The default is to use Perl's own atof() implementation (in numeric.c). 1442 * Usually that is the one to use but for some platforms (e.g. UNICOS) 1443 * it is however best to use the native implementation of atof. 1444 * You can experiment with using your native one by -DUSE_PERL_ATOF=0. 1445 * Some good tests to try out with either setting are t/base/num.t, 1446 * t/op/numconvert.t, and t/op/pack.t. */ 1447 1448 #ifndef USE_PERL_ATOF 1449 # ifndef _UNICOS 1450 # define USE_PERL_ATOF 1451 # endif 1452 #else 1453 # if USE_PERL_ATOF == 0 1454 # undef USE_PERL_ATOF 1455 # endif 1456 #endif 1457 1458 #ifdef USE_PERL_ATOF 1459 # define Perl_atof(s) Perl_my_atof(s) 1460 # define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n)) 1461 #else 1462 # define Perl_atof(s) (NV)atof(s) 1463 # define Perl_atof2(s, n) ((n) = atof(s)) 1464 #endif 1465 1466 /* Previously these definitions used hardcoded figures. 1467 * It is hoped these formula are more portable, although 1468 * no data one way or another is presently known to me. 1469 * The "PERL_" names are used because these calculated constants 1470 * do not meet the ANSI requirements for LONG_MAX, etc., which 1471 * need to be constants acceptable to #if - kja 1472 * define PERL_LONG_MAX 2147483647L 1473 * define PERL_LONG_MIN (-LONG_MAX - 1) 1474 * define PERL ULONG_MAX 4294967295L 1475 */ 1476 1477 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */ 1478 # include <limits.h> 1479 #else 1480 #ifdef I_VALUES 1481 # include <values.h> 1482 #endif 1483 #endif 1484 1485 /* 1486 * Try to figure out max and min values for the integral types. THE CORRECT 1487 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The 1488 * following hacks are used if neither limits.h or values.h provide them: 1489 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0 1490 * for types < int: (unsigned TYPE)~(unsigned)0 1491 * The argument to ~ must be unsigned so that later signed->unsigned 1492 * conversion can't modify the value's bit pattern (e.g. -0 -> +0), 1493 * and it must not be smaller than int because ~ does integral promotion. 1494 * <type>_MAX: (<type>) (U<type>_MAX >> 1) 1495 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>. 1496 * The latter is a hack which happens to work on some machines but 1497 * does *not* catch any random system, or things like integer types 1498 * with NaN if that is possible. 1499 * 1500 * All of the types are explicitly cast to prevent accidental loss of 1501 * numeric range, and in the hope that they will be less likely to confuse 1502 * over-eager optimizers. 1503 * 1504 */ 1505 1506 #define PERL_UCHAR_MIN ((unsigned char)0) 1507 1508 #ifdef UCHAR_MAX 1509 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX) 1510 #else 1511 # ifdef MAXUCHAR 1512 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR) 1513 # else 1514 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0) 1515 # endif 1516 #endif 1517 1518 /* 1519 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be 1520 * ambiguous. It may be equivalent to (signed char) or (unsigned char) 1521 * depending on local options. Until Configure detects this (or at least 1522 * detects whether the "signed" keyword is available) the CHAR ranges 1523 * will not be included. UCHAR functions normally. 1524 * - kja 1525 */ 1526 1527 #define PERL_USHORT_MIN ((unsigned short)0) 1528 1529 #ifdef USHORT_MAX 1530 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX) 1531 #else 1532 # ifdef MAXUSHORT 1533 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT) 1534 # else 1535 # ifdef USHRT_MAX 1536 # define PERL_USHORT_MAX ((unsigned short)USHRT_MAX) 1537 # else 1538 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0) 1539 # endif 1540 # endif 1541 #endif 1542 1543 #ifdef SHORT_MAX 1544 # define PERL_SHORT_MAX ((short)SHORT_MAX) 1545 #else 1546 # ifdef MAXSHORT /* Often used in <values.h> */ 1547 # define PERL_SHORT_MAX ((short)MAXSHORT) 1548 # else 1549 # ifdef SHRT_MAX 1550 # define PERL_SHORT_MAX ((short)SHRT_MAX) 1551 # else 1552 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1)) 1553 # endif 1554 # endif 1555 #endif 1556 1557 #ifdef SHORT_MIN 1558 # define PERL_SHORT_MIN ((short)SHORT_MIN) 1559 #else 1560 # ifdef MINSHORT 1561 # define PERL_SHORT_MIN ((short)MINSHORT) 1562 # else 1563 # ifdef SHRT_MIN 1564 # define PERL_SHORT_MIN ((short)SHRT_MIN) 1565 # else 1566 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3)) 1567 # endif 1568 # endif 1569 #endif 1570 1571 #ifdef UINT_MAX 1572 # define PERL_UINT_MAX ((unsigned int)UINT_MAX) 1573 #else 1574 # ifdef MAXUINT 1575 # define PERL_UINT_MAX ((unsigned int)MAXUINT) 1576 # else 1577 # define PERL_UINT_MAX (~(unsigned int)0) 1578 # endif 1579 #endif 1580 1581 #define PERL_UINT_MIN ((unsigned int)0) 1582 1583 #ifdef INT_MAX 1584 # define PERL_INT_MAX ((int)INT_MAX) 1585 #else 1586 # ifdef MAXINT /* Often used in <values.h> */ 1587 # define PERL_INT_MAX ((int)MAXINT) 1588 # else 1589 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1)) 1590 # endif 1591 #endif 1592 1593 #ifdef INT_MIN 1594 # define PERL_INT_MIN ((int)INT_MIN) 1595 #else 1596 # ifdef MININT 1597 # define PERL_INT_MIN ((int)MININT) 1598 # else 1599 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3)) 1600 # endif 1601 #endif 1602 1603 #ifdef ULONG_MAX 1604 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX) 1605 #else 1606 # ifdef MAXULONG 1607 # define PERL_ULONG_MAX ((unsigned long)MAXULONG) 1608 # else 1609 # define PERL_ULONG_MAX (~(unsigned long)0) 1610 # endif 1611 #endif 1612 1613 #define PERL_ULONG_MIN ((unsigned long)0L) 1614 1615 #ifdef LONG_MAX 1616 # define PERL_LONG_MAX ((long)LONG_MAX) 1617 #else 1618 # ifdef MAXLONG /* Often used in <values.h> */ 1619 # define PERL_LONG_MAX ((long)MAXLONG) 1620 # else 1621 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1)) 1622 # endif 1623 #endif 1624 1625 #ifdef LONG_MIN 1626 # define PERL_LONG_MIN ((long)LONG_MIN) 1627 #else 1628 # ifdef MINLONG 1629 # define PERL_LONG_MIN ((long)MINLONG) 1630 # else 1631 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3)) 1632 # endif 1633 #endif 1634 1635 #ifdef UV_IS_QUAD 1636 1637 # define PERL_UQUAD_MAX (~(UV)0) 1638 # define PERL_UQUAD_MIN ((UV)0) 1639 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1)) 1640 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3)) 1641 1642 #endif 1643 1644 struct perl_mstats { 1645 UV *nfree; 1646 UV *ntotal; 1647 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain; 1648 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains; 1649 IV minbucket; 1650 /* Level 1 info */ 1651 UV *bucket_mem_size; 1652 UV *bucket_available_size; 1653 UV nbuckets; 1654 }; 1655 struct RExC_state_t; 1656 1657 typedef MEM_SIZE STRLEN; 1658 1659 typedef struct op OP; 1660 typedef struct cop COP; 1661 typedef struct unop UNOP; 1662 typedef struct binop BINOP; 1663 typedef struct listop LISTOP; 1664 typedef struct logop LOGOP; 1665 typedef struct pmop PMOP; 1666 typedef struct svop SVOP; 1667 typedef struct padop PADOP; 1668 typedef struct pvop PVOP; 1669 typedef struct loop LOOP; 1670 1671 typedef struct interpreter PerlInterpreter; 1672 1673 /* Amdahl's <ksync.h> has struct sv */ 1674 /* SGI's <sys/sema.h> has struct sv */ 1675 #if defined(UTS) || defined(__sgi) 1676 # define STRUCT_SV perl_sv 1677 #else 1678 # define STRUCT_SV sv 1679 #endif 1680 typedef struct STRUCT_SV SV; 1681 typedef struct av AV; 1682 typedef struct hv HV; 1683 typedef struct cv CV; 1684 typedef struct regexp REGEXP; 1685 typedef struct gp GP; 1686 typedef struct gv GV; 1687 typedef struct io IO; 1688 typedef struct context PERL_CONTEXT; 1689 typedef struct block BLOCK; 1690 1691 typedef struct magic MAGIC; 1692 typedef struct xrv XRV; 1693 typedef struct xpv XPV; 1694 typedef struct xpviv XPVIV; 1695 typedef struct xpvuv XPVUV; 1696 typedef struct xpvnv XPVNV; 1697 typedef struct xpvmg XPVMG; 1698 typedef struct xpvlv XPVLV; 1699 typedef struct xpvav XPVAV; 1700 typedef struct xpvhv XPVHV; 1701 typedef struct xpvgv XPVGV; 1702 typedef struct xpvcv XPVCV; 1703 typedef struct xpvbm XPVBM; 1704 typedef struct xpvfm XPVFM; 1705 typedef struct xpvio XPVIO; 1706 typedef struct mgvtbl MGVTBL; 1707 typedef union any ANY; 1708 typedef struct ptr_tbl_ent PTR_TBL_ENT_t; 1709 typedef struct ptr_tbl PTR_TBL_t; 1710 typedef struct clone_params CLONE_PARAMS; 1711 1712 1713 #include "handy.h" 1714 1715 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO) 1716 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO) 1717 # define USE_64_BIT_RAWIO /* implicit */ 1718 # endif 1719 #endif 1720 1721 /* Notice the use of HAS_FSEEKO: now we are obligated to always use 1722 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself, 1723 * however, because operating systems like to do that themself. */ 1724 #ifndef FSEEKSIZE 1725 # ifdef HAS_FSEEKO 1726 # define FSEEKSIZE LSEEKSIZE 1727 # else 1728 # define FSEEKSIZE LONGSIZE 1729 # endif 1730 #endif 1731 1732 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO) 1733 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO) 1734 # define USE_64_BIT_STDIO /* implicit */ 1735 # endif 1736 #endif 1737 1738 #ifdef USE_64_BIT_RAWIO 1739 # ifdef HAS_OFF64_T 1740 # undef Off_t 1741 # define Off_t off64_t 1742 # undef LSEEKSIZE 1743 # define LSEEKSIZE 8 1744 # endif 1745 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that 1746 * will trigger defines like the ones below. Some 64-bit environments, 1747 * however, do not. Therefore we have to explicitly mix and match. */ 1748 # if defined(USE_OPEN64) 1749 # define open open64 1750 # endif 1751 # if defined(USE_LSEEK64) 1752 # define lseek lseek64 1753 # else 1754 # if defined(USE_LLSEEK) 1755 # define lseek llseek 1756 # endif 1757 # endif 1758 # if defined(USE_STAT64) 1759 # define stat stat64 1760 # endif 1761 # if defined(USE_FSTAT64) 1762 # define fstat fstat64 1763 # endif 1764 # if defined(USE_LSTAT64) 1765 # define lstat lstat64 1766 # endif 1767 # if defined(USE_FLOCK64) 1768 # define flock flock64 1769 # endif 1770 # if defined(USE_LOCKF64) 1771 # define lockf lockf64 1772 # endif 1773 # if defined(USE_FCNTL64) 1774 # define fcntl fcntl64 1775 # endif 1776 # if defined(USE_TRUNCATE64) 1777 # define truncate truncate64 1778 # endif 1779 # if defined(USE_FTRUNCATE64) 1780 # define ftruncate ftruncate64 1781 # endif 1782 #endif 1783 1784 #ifdef USE_64_BIT_STDIO 1785 # ifdef HAS_FPOS64_T 1786 # undef Fpos_t 1787 # define Fpos_t fpos64_t 1788 # endif 1789 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that 1790 * will trigger defines like the ones below. Some 64-bit environments, 1791 * however, do not. */ 1792 # if defined(USE_FOPEN64) 1793 # define fopen fopen64 1794 # endif 1795 # if defined(USE_FSEEK64) 1796 # define fseek fseek64 /* don't do fseeko here, see perlio.c */ 1797 # endif 1798 # if defined(USE_FTELL64) 1799 # define ftell ftell64 /* don't do ftello here, see perlio.c */ 1800 # endif 1801 # if defined(USE_FSETPOS64) 1802 # define fsetpos fsetpos64 1803 # endif 1804 # if defined(USE_FGETPOS64) 1805 # define fgetpos fgetpos64 1806 # endif 1807 # if defined(USE_TMPFILE64) 1808 # define tmpfile tmpfile64 1809 # endif 1810 # if defined(USE_FREOPEN64) 1811 # define freopen freopen64 1812 # endif 1813 #endif 1814 1815 #if defined(OS2) || defined(MACOS_TRADITIONAL) 1816 # include "iperlsys.h" 1817 #endif 1818 1819 #if defined(__OPEN_VM) 1820 # include "vmesa/vmesaish.h" 1821 # define ISHISH "vmesa" 1822 #endif 1823 1824 #ifdef DOSISH 1825 # if defined(OS2) 1826 # include "os2ish.h" 1827 # else 1828 # include "dosish.h" 1829 # endif 1830 # define ISHISH "dos" 1831 #endif 1832 1833 #if defined(VMS) 1834 # include "vmsish.h" 1835 # include "embed.h" 1836 # define ISHISH "vms" 1837 #endif 1838 1839 #if defined(PLAN9) 1840 # include "./plan9/plan9ish.h" 1841 # define ISHISH "plan9" 1842 #endif 1843 1844 #if defined(MPE) 1845 # include "mpeix/mpeixish.h" 1846 # define ISHISH "mpeix" 1847 #endif 1848 1849 #if defined(__VOS__) 1850 # ifdef __GNUC__ 1851 # include "./vos/vosish.h" 1852 # else 1853 # include "vos/vosish.h" 1854 # endif 1855 # define ISHISH "vos" 1856 #endif 1857 1858 #if defined(EPOC) 1859 # include "epocish.h" 1860 # define ISHISH "epoc" 1861 #endif 1862 1863 #if defined(MACOS_TRADITIONAL) 1864 # include "macos/macish.h" 1865 # ifndef NO_ENVIRON_ARRAY 1866 # define NO_ENVIRON_ARRAY 1867 # endif 1868 # define ISHISH "macos classic" 1869 #endif 1870 1871 #if defined(__BEOS__) 1872 # include "beos/beosish.h" 1873 # define ISHISH "beos" 1874 #endif 1875 1876 #ifndef ISHISH 1877 # include "unixish.h" 1878 # define ISHISH "unix" 1879 #endif 1880 1881 #ifndef NO_ENVIRON_ARRAY 1882 # define USE_ENVIRON_ARRAY 1883 #endif 1884 1885 /* 1886 * initialise to avoid floating-point exceptions from overflow, etc 1887 */ 1888 #ifndef PERL_FPU_INIT 1889 # ifdef HAS_FPSETMASK 1890 # if HAS_FLOATINGPOINT_H 1891 # include <floatingpoint.h> 1892 # endif 1893 # define PERL_FPU_INIT fpsetmask(0); 1894 # else 1895 # if defined(SIGFPE) && defined(SIG_IGN) 1896 # define PERL_FPU_INIT signal(SIGFPE, SIG_IGN); 1897 # else 1898 # define PERL_FPU_INIT 1899 # endif 1900 # endif 1901 #endif 1902 1903 #ifndef PERL_SYS_INIT3 1904 # define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp) 1905 #endif 1906 1907 #ifndef PERL_WRITE_MSG_TO_CONSOLE 1908 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len) 1909 #endif 1910 1911 #ifndef MAXPATHLEN 1912 # ifdef PATH_MAX 1913 # ifdef _POSIX_PATH_MAX 1914 # if PATH_MAX > _POSIX_PATH_MAX 1915 /* MAXPATHLEN is supposed to include the final null character, 1916 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */ 1917 # define MAXPATHLEN (PATH_MAX+1) 1918 # else 1919 # define MAXPATHLEN (_POSIX_PATH_MAX+1) 1920 # endif 1921 # else 1922 # define MAXPATHLEN (PATH_MAX+1) 1923 # endif 1924 # else 1925 # ifdef _POSIX_PATH_MAX 1926 # define MAXPATHLEN (_POSIX_PATH_MAX+1) 1927 # else 1928 # define MAXPATHLEN 1024 /* Err on the large side. */ 1929 # endif 1930 # endif 1931 #endif 1932 1933 /* 1934 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes 1935 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h> 1936 * this results in many functions being undeclared which bothers C++ 1937 * May make sense to have threads after "*ish.h" anyway 1938 */ 1939 1940 #if defined(USE_5005THREADS) || defined(USE_ITHREADS) 1941 # if defined(USE_5005THREADS) 1942 /* pending resolution of licensing issues, we avoid the erstwhile 1943 * atomic.h everywhere */ 1944 # define EMULATE_ATOMIC_REFCOUNTS 1945 # endif 1946 # ifdef NETWARE 1947 # include <nw5thread.h> 1948 # else 1949 # ifdef FAKE_THREADS 1950 # include "fakethr.h" 1951 # else 1952 # ifdef WIN32 1953 # include <win32thread.h> 1954 # else 1955 # ifdef OS2 1956 # include "os2thread.h" 1957 # else 1958 # ifdef I_MACH_CTHREADS 1959 # include <mach/cthreads.h> 1960 # if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC) 1961 # define MUTEX_INIT_CALLS_MALLOC 1962 # endif 1963 typedef cthread_t perl_os_thread; 1964 typedef mutex_t perl_mutex; 1965 typedef condition_t perl_cond; 1966 typedef void * perl_key; 1967 # else /* Posix threads */ 1968 # ifdef I_PTHREAD 1969 # include <pthread.h> 1970 # endif 1971 typedef pthread_t perl_os_thread; 1972 typedef pthread_mutex_t perl_mutex; 1973 typedef pthread_cond_t perl_cond; 1974 typedef pthread_key_t perl_key; 1975 # endif /* I_MACH_CTHREADS */ 1976 # endif /* OS2 */ 1977 # endif /* WIN32 */ 1978 # endif /* FAKE_THREADS */ 1979 #endif /* NETWARE */ 1980 #endif /* USE_5005THREADS || USE_ITHREADS */ 1981 1982 #if defined(WIN32) 1983 # include "win32.h" 1984 #endif 1985 1986 #ifdef NETWARE 1987 # include "netware.h" 1988 #endif 1989 1990 #ifdef VMS 1991 # define STATUS_NATIVE PL_statusvalue_vms 1992 # define STATUS_NATIVE_EXPORT \ 1993 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0)) 1994 # define STATUS_NATIVE_SET(n) \ 1995 STMT_START { \ 1996 PL_statusvalue_vms = (n); \ 1997 if ((I32)PL_statusvalue_vms == -1) \ 1998 PL_statusvalue = -1; \ 1999 else if (PL_statusvalue_vms & STS$M_SUCCESS) \ 2000 PL_statusvalue = 0; \ 2001 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \ 2002 PL_statusvalue = 1 << 8; \ 2003 else \ 2004 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \ 2005 } STMT_END 2006 # define STATUS_POSIX PL_statusvalue 2007 # ifdef VMSISH_STATUS 2008 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX) 2009 # else 2010 # define STATUS_CURRENT STATUS_POSIX 2011 # endif 2012 # define STATUS_POSIX_SET(n) \ 2013 STMT_START { \ 2014 PL_statusvalue = (n); \ 2015 if (PL_statusvalue != -1) { \ 2016 PL_statusvalue &= 0xFFFF; \ 2017 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \ 2018 } \ 2019 else PL_statusvalue_vms = -1; \ 2020 } STMT_END 2021 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1) 2022 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44) 2023 #else 2024 # define STATUS_NATIVE STATUS_POSIX 2025 # define STATUS_NATIVE_EXPORT STATUS_POSIX 2026 # define STATUS_NATIVE_SET STATUS_POSIX_SET 2027 # define STATUS_POSIX PL_statusvalue 2028 # define STATUS_POSIX_SET(n) \ 2029 STMT_START { \ 2030 PL_statusvalue = (n); \ 2031 if (PL_statusvalue != -1) \ 2032 PL_statusvalue &= 0xFFFF; \ 2033 } STMT_END 2034 # define STATUS_CURRENT STATUS_POSIX 2035 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0) 2036 # define STATUS_ALL_FAILURE (PL_statusvalue = 1) 2037 #endif 2038 2039 /* flags in PL_exit_flags for nature of exit() */ 2040 #define PERL_EXIT_EXPECTED 0x01 2041 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */ 2042 2043 #ifndef MEMBER_TO_FPTR 2044 # define MEMBER_TO_FPTR(name) name 2045 #endif 2046 2047 /* format to use for version numbers in file/directory names */ 2048 /* XXX move to Configure? */ 2049 #ifndef PERL_FS_VER_FMT 2050 # define PERL_FS_VER_FMT "%d.%d.%d" 2051 #endif 2052 2053 /* This defines a way to flush all output buffers. This may be a 2054 * performance issue, so we allow people to disable it. Also, if 2055 * we are using stdio, there are broken implementations of fflush(NULL) 2056 * out there, Solaris being the most prominent. 2057 */ 2058 #ifndef PERL_FLUSHALL_FOR_CHILD 2059 # if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO) 2060 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL) 2061 # else 2062 # ifdef FFLUSH_ALL 2063 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all() 2064 # else 2065 # define PERL_FLUSHALL_FOR_CHILD NOOP 2066 # endif 2067 # endif 2068 #endif 2069 2070 #ifndef PERL_WAIT_FOR_CHILDREN 2071 # define PERL_WAIT_FOR_CHILDREN NOOP 2072 #endif 2073 2074 /* the traditional thread-unsafe notion of "current interpreter". */ 2075 #ifndef PERL_SET_INTERP 2076 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i)) 2077 #endif 2078 2079 #ifndef PERL_GET_INTERP 2080 # define PERL_GET_INTERP (PL_curinterp) 2081 #endif 2082 2083 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX) 2084 # ifdef USE_5005THREADS 2085 # define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT) 2086 # else 2087 # ifdef MULTIPLICITY 2088 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT) 2089 # endif 2090 # endif 2091 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t) 2092 #endif 2093 2094 #ifndef SVf 2095 # ifdef CHECK_FORMAT 2096 # define SVf "p" 2097 # else 2098 # define SVf "_" 2099 # endif 2100 #endif 2101 2102 #ifndef UVf 2103 # ifdef CHECK_FORMAT 2104 # define UVf UVuf 2105 # else 2106 # define UVf "Vu" 2107 # endif 2108 #endif 2109 2110 #ifndef VDf 2111 # ifdef CHECK_FORMAT 2112 # define VDf "p" 2113 # else 2114 # define VDf "vd" 2115 # endif 2116 #endif 2117 2118 #ifndef Nullformat 2119 # ifdef CHECK_FORMAT 2120 # define Nullformat "%s","" 2121 # else 2122 # define Nullformat Nullch 2123 # endif 2124 #endif 2125 2126 /* Some unistd.h's give a prototype for pause() even though 2127 HAS_PAUSE ends up undefined. This causes the #define 2128 below to be rejected by the compiler. Sigh. 2129 */ 2130 #ifdef HAS_PAUSE 2131 #define Pause pause 2132 #else 2133 #define Pause() sleep((32767<<16)+32767) 2134 #endif 2135 2136 #ifndef IOCPARM_LEN 2137 # ifdef IOCPARM_MASK 2138 /* on BSDish systes we're safe */ 2139 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK) 2140 # else 2141 /* otherwise guess at what's safe */ 2142 # define IOCPARM_LEN(x) 256 2143 # endif 2144 #endif 2145 2146 #if defined(__CYGWIN__) 2147 /* USEMYBINMODE 2148 * This symbol, if defined, indicates that the program should 2149 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure 2150 * that a file is in "binary" mode -- that is, that no translation 2151 * of bytes occurs on read or write operations. 2152 */ 2153 # define USEMYBINMODE / **/ 2154 # define my_binmode(fp, iotype, mode) \ 2155 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE) 2156 #endif 2157 2158 #ifdef UNION_ANY_DEFINITION 2159 UNION_ANY_DEFINITION; 2160 #else 2161 union any { 2162 void* any_ptr; 2163 I32 any_i32; 2164 IV any_iv; 2165 long any_long; 2166 void (*any_dptr) (void*); 2167 void (*any_dxptr) (pTHX_ void*); 2168 }; 2169 #endif 2170 2171 #ifdef USE_5005THREADS 2172 #define ARGSproto struct perl_thread *thr 2173 #else 2174 #define ARGSproto 2175 #endif /* USE_5005THREADS */ 2176 2177 typedef I32 (*filter_t) (pTHX_ int, SV *, int); 2178 2179 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len) 2180 #define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx]) 2181 #define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters)) 2182 2183 #if defined(_AIX) && !defined(_AIX43) 2184 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE) 2185 /* We cannot include <crypt.h> to get the struct crypt_data 2186 * because of setkey prototype problems when threading */ 2187 typedef struct crypt_data { /* straight from /usr/include/crypt.h */ 2188 /* From OSF, Not needed in AIX 2189 char C[28], D[28]; 2190 */ 2191 char E[48]; 2192 char KS[16][48]; 2193 char block[66]; 2194 char iobuf[16]; 2195 } CRYPTD; 2196 #endif /* threading */ 2197 #endif /* AIX */ 2198 2199 #if !defined(OS2) && !defined(MACOS_TRADITIONAL) 2200 # include "iperlsys.h" 2201 #endif 2202 #include "regexp.h" 2203 #include "sv.h" 2204 #include "util.h" 2205 #include "form.h" 2206 #include "gv.h" 2207 #include "cv.h" 2208 #include "opnames.h" 2209 #include "op.h" 2210 #include "cop.h" 2211 #include "av.h" 2212 #include "hv.h" 2213 #include "mg.h" 2214 #include "scope.h" 2215 #include "warnings.h" 2216 #include "utf8.h" 2217 2218 /* Current curly descriptor */ 2219 typedef struct curcur CURCUR; 2220 struct curcur { 2221 int parenfloor; /* how far back to strip paren data */ 2222 int cur; /* how many instances of scan we've matched */ 2223 int min; /* the minimal number of scans to match */ 2224 int max; /* the maximal number of scans to match */ 2225 int minmod; /* whether to work our way up or down */ 2226 regnode * scan; /* the thing to match */ 2227 regnode * next; /* what has to match after it */ 2228 char * lastloc; /* where we started matching this scan */ 2229 CURCUR * oldcc; /* current curly before we started this one */ 2230 }; 2231 2232 typedef struct _sublex_info SUBLEXINFO; 2233 struct _sublex_info { 2234 I32 super_state; /* lexer state to save */ 2235 I32 sub_inwhat; /* "lex_inwhat" to use */ 2236 OP *sub_op; /* "lex_op" to use */ 2237 char *super_bufptr; /* PL_bufptr that was */ 2238 char *super_bufend; /* PL_bufend that was */ 2239 }; 2240 2241 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */ 2242 2243 struct scan_data_t; /* Used in S_* functions in regcomp.c */ 2244 struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */ 2245 2246 typedef I32 CHECKPOINT; 2247 2248 struct ptr_tbl_ent { 2249 struct ptr_tbl_ent* next; 2250 void* oldval; 2251 void* newval; 2252 }; 2253 2254 struct ptr_tbl { 2255 struct ptr_tbl_ent** tbl_ary; 2256 UV tbl_max; 2257 UV tbl_items; 2258 }; 2259 2260 #if defined(iAPX286) || defined(M_I286) || defined(I80286) 2261 # define I286 2262 #endif 2263 2264 #if defined(htonl) && !defined(HAS_HTONL) 2265 #define HAS_HTONL 2266 #endif 2267 #if defined(htons) && !defined(HAS_HTONS) 2268 #define HAS_HTONS 2269 #endif 2270 #if defined(ntohl) && !defined(HAS_NTOHL) 2271 #define HAS_NTOHL 2272 #endif 2273 #if defined(ntohs) && !defined(HAS_NTOHS) 2274 #define HAS_NTOHS 2275 #endif 2276 #ifndef HAS_HTONL 2277 #if (BYTEORDER & 0xffff) != 0x4321 2278 #define HAS_HTONS 2279 #define HAS_HTONL 2280 #define HAS_NTOHS 2281 #define HAS_NTOHL 2282 #define MYSWAP 2283 #define htons my_swap 2284 #define htonl my_htonl 2285 #define ntohs my_swap 2286 #define ntohl my_ntohl 2287 #endif 2288 #else 2289 #if (BYTEORDER & 0xffff) == 0x4321 2290 #undef HAS_HTONS 2291 #undef HAS_HTONL 2292 #undef HAS_NTOHS 2293 #undef HAS_NTOHL 2294 #endif 2295 #endif 2296 2297 /* 2298 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'. 2299 * -DWS 2300 */ 2301 #if BYTEORDER != 0x1234 2302 # define HAS_VTOHL 2303 # define HAS_VTOHS 2304 # define HAS_HTOVL 2305 # define HAS_HTOVS 2306 # if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 2307 # define vtohl(x) ((((x)&0xFF)<<24) \ 2308 +(((x)>>24)&0xFF) \ 2309 +(((x)&0x0000FF00)<<8) \ 2310 +(((x)&0x00FF0000)>>8) ) 2311 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF)) 2312 # define htovl(x) vtohl(x) 2313 # define htovs(x) vtohs(x) 2314 # endif 2315 /* otherwise default to functions in util.c */ 2316 #ifndef htovs 2317 short htovs(short n); 2318 short vtohs(short n); 2319 long htovl(long n); 2320 long vtohl(long n); 2321 #endif 2322 #endif 2323 2324 /* *MAX Plus 1. A floating point value. 2325 Hopefully expressed in a way that dodgy floating point can't mess up. 2326 >> 2 rather than 1, so that value is safely less than I32_MAX after 1 2327 is added to it 2328 May find that some broken compiler will want the value cast to I32. 2329 [after the shift, as signed >> may not be as secure as unsigned >>] 2330 */ 2331 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1))) 2332 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2))) 2333 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or 2334 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV) 2335 may be greater than sizeof(IV), so don't assume that half max UV is max IV. 2336 */ 2337 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2))) 2338 2339 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2))) 2340 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1))) 2341 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2))) 2342 2343 /* This may look like unnecessary jumping through hoops, but converting 2344 out of range floating point values to integers *is* undefined behaviour, 2345 and it is starting to bite. 2346 */ 2347 #ifndef CAST_INLINE 2348 #define I_32(what) (cast_i32((NV)(what))) 2349 #define U_32(what) (cast_ulong((NV)(what))) 2350 #define I_V(what) (cast_iv((NV)(what))) 2351 #define U_V(what) (cast_uv((NV)(what))) 2352 #else 2353 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \ 2354 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \ 2355 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */))) 2356 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \ 2357 : ((n) < U32_MAX_P1 ? (U32) (n) \ 2358 : ((n) > 0 ? U32_MAX : 0 /* NaN */))) 2359 #define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \ 2360 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \ 2361 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */))) 2362 #define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \ 2363 : ((n) < UV_MAX_P1 ? (UV) (n) \ 2364 : ((n) > 0 ? UV_MAX : 0 /* NaN */))) 2365 #endif 2366 2367 #define U_S(what) ((U16)U_32(what)) 2368 #define U_I(what) ((unsigned int)U_32(what)) 2369 #define U_L(what) U_32(what) 2370 2371 /* These do not care about the fractional part, only about the range. */ 2372 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX) 2373 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX) 2374 2375 /* Used with UV/IV arguments: */ 2376 /* XXXX: need to speed it up */ 2377 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv)) 2378 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv)) 2379 2380 #ifndef MAXSYSFD 2381 # define MAXSYSFD 2 2382 #endif 2383 2384 #ifndef __cplusplus 2385 #ifndef UNDER_CE 2386 Uid_t getuid (void); 2387 Uid_t geteuid (void); 2388 Gid_t getgid (void); 2389 Gid_t getegid (void); 2390 #endif 2391 #endif 2392 2393 #ifndef Perl_debug_log 2394 # define Perl_debug_log PerlIO_stderr() 2395 #endif 2396 2397 #ifndef Perl_error_log 2398 # define Perl_error_log (PL_stderrgv \ 2399 && GvIOp(PL_stderrgv) \ 2400 && IoOFP(GvIOp(PL_stderrgv)) \ 2401 ? IoOFP(GvIOp(PL_stderrgv)) \ 2402 : PerlIO_stderr()) 2403 #endif 2404 2405 2406 #define DEBUG_p_FLAG 0x00000001 /* 1 */ 2407 #define DEBUG_s_FLAG 0x00000002 /* 2 */ 2408 #define DEBUG_l_FLAG 0x00000004 /* 4 */ 2409 #define DEBUG_t_FLAG 0x00000008 /* 8 */ 2410 #define DEBUG_o_FLAG 0x00000010 /* 16 */ 2411 #define DEBUG_c_FLAG 0x00000020 /* 32 */ 2412 #define DEBUG_P_FLAG 0x00000040 /* 64 */ 2413 #define DEBUG_m_FLAG 0x00000080 /* 128 */ 2414 #define DEBUG_f_FLAG 0x00000100 /* 256 */ 2415 #define DEBUG_r_FLAG 0x00000200 /* 512 */ 2416 #define DEBUG_x_FLAG 0x00000400 /* 1024 */ 2417 #define DEBUG_u_FLAG 0x00000800 /* 2048 */ 2418 #define DEBUG_L_FLAG 0x00001000 /* 4096 */ 2419 #define DEBUG_H_FLAG 0x00002000 /* 8192 */ 2420 #define DEBUG_X_FLAG 0x00004000 /* 16384 */ 2421 #define DEBUG_D_FLAG 0x00008000 /* 32768 */ 2422 #define DEBUG_S_FLAG 0x00010000 /* 65536 */ 2423 #define DEBUG_T_FLAG 0x00020000 /* 131072 */ 2424 #define DEBUG_R_FLAG 0x00040000 /* 262144 */ 2425 #define DEBUG_J_FLAG 0x00080000 /* 524288 */ 2426 #define DEBUG_MASK 0x000FFFFF /* mask of all the standard flags */ 2427 2428 #define DEBUG_DB_RECURSE_FLAG 0x40000000 2429 #define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal 2430 that something was done? */ 2431 2432 # define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG) 2433 # define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG) 2434 # define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG) 2435 # define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG) 2436 # define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG) 2437 # define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG) 2438 # define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG) 2439 # define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG) 2440 # define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG) 2441 # define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG) 2442 # define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG) 2443 # define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG) 2444 # define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG) 2445 # define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG) 2446 # define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG) 2447 # define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG) 2448 # define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG) 2449 # define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG) 2450 # define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG) 2451 # define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG) 2452 2453 #ifdef DEBUGGING 2454 2455 # undef YYDEBUG 2456 # define YYDEBUG 1 2457 2458 # define DEBUG_p_TEST DEBUG_p_TEST_ 2459 # define DEBUG_s_TEST DEBUG_s_TEST_ 2460 # define DEBUG_l_TEST DEBUG_l_TEST_ 2461 # define DEBUG_t_TEST DEBUG_t_TEST_ 2462 # define DEBUG_o_TEST DEBUG_o_TEST_ 2463 # define DEBUG_c_TEST DEBUG_c_TEST_ 2464 # define DEBUG_P_TEST DEBUG_P_TEST_ 2465 # define DEBUG_m_TEST DEBUG_m_TEST_ 2466 # define DEBUG_f_TEST DEBUG_f_TEST_ 2467 # define DEBUG_r_TEST DEBUG_r_TEST_ 2468 # define DEBUG_x_TEST DEBUG_x_TEST_ 2469 # define DEBUG_u_TEST DEBUG_u_TEST_ 2470 # define DEBUG_L_TEST DEBUG_L_TEST_ 2471 # define DEBUG_H_TEST DEBUG_H_TEST_ 2472 # define DEBUG_X_TEST DEBUG_X_TEST_ 2473 # define DEBUG_D_TEST DEBUG_D_TEST_ 2474 # define DEBUG_S_TEST DEBUG_S_TEST_ 2475 # define DEBUG_T_TEST DEBUG_T_TEST_ 2476 # define DEBUG_R_TEST DEBUG_R_TEST_ 2477 # define DEBUG_J_TEST DEBUG_J_TEST_ 2478 2479 # define DEB(a) a 2480 # define DEBUG(a) if (PL_debug) a 2481 # define DEBUG_p(a) if (DEBUG_p_TEST) a 2482 # define DEBUG_s(a) if (DEBUG_s_TEST) a 2483 # define DEBUG_l(a) if (DEBUG_l_TEST) a 2484 # define DEBUG_t(a) if (DEBUG_t_TEST) a 2485 # define DEBUG_o(a) if (DEBUG_o_TEST) a 2486 # define DEBUG_c(a) if (DEBUG_c_TEST) a 2487 # define DEBUG_P(a) if (DEBUG_P_TEST) a 2488 2489 /* Temporarily turn off memory debugging in case the a 2490 * does memory allocation, either directly or indirectly. */ 2491 # define DEBUG_m(a) \ 2492 STMT_START { \ 2493 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \ 2494 } STMT_END 2495 2496 # define DEBUG__(t, a) \ 2497 STMT_START { \ 2498 if (t) STMT_START {a;} STMT_END; \ 2499 } STMT_END 2500 2501 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a) 2502 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a) 2503 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a) 2504 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a) 2505 # define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a) 2506 # define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a) 2507 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a) 2508 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a) 2509 2510 # ifdef USE_5005THREADS 2511 # define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a) 2512 # else 2513 # define DEBUG_S(a) 2514 # endif 2515 2516 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a) 2517 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a) 2518 2519 #else /* DEBUGGING */ 2520 2521 # define DEBUG_p_TEST (0) 2522 # define DEBUG_s_TEST (0) 2523 # define DEBUG_l_TEST (0) 2524 # define DEBUG_t_TEST (0) 2525 # define DEBUG_o_TEST (0) 2526 # define DEBUG_c_TEST (0) 2527 # define DEBUG_P_TEST (0) 2528 # define DEBUG_m_TEST (0) 2529 # define DEBUG_f_TEST (0) 2530 # define DEBUG_r_TEST (0) 2531 # define DEBUG_x_TEST (0) 2532 # define DEBUG_u_TEST (0) 2533 # define DEBUG_L_TEST (0) 2534 # define DEBUG_H_TEST (0) 2535 # define DEBUG_X_TEST (0) 2536 # define DEBUG_D_TEST (0) 2537 # define DEBUG_S_TEST (0) 2538 # define DEBUG_T_TEST (0) 2539 # define DEBUG_R_TEST (0) 2540 # define DEBUG_J_TEST (0) 2541 2542 # define DEB(a) 2543 # define DEBUG(a) 2544 # define DEBUG_p(a) 2545 # define DEBUG_s(a) 2546 # define DEBUG_l(a) 2547 # define DEBUG_t(a) 2548 # define DEBUG_o(a) 2549 # define DEBUG_c(a) 2550 # define DEBUG_P(a) 2551 # define DEBUG_m(a) 2552 # define DEBUG_f(a) 2553 # define DEBUG_r(a) 2554 # define DEBUG_x(a) 2555 # define DEBUG_u(a) 2556 # define DEBUG_L(a) 2557 # define DEBUG_H(a) 2558 # define DEBUG_X(a) 2559 # define DEBUG_D(a) 2560 # define DEBUG_S(a) 2561 # define DEBUG_T(a) 2562 # define DEBUG_R(a) 2563 #endif /* DEBUGGING */ 2564 2565 2566 /* These constants should be used in preference to raw characters 2567 * when using magic. Note that some perl guts still assume 2568 * certain character properties of these constants, namely that 2569 * isUPPER() and toLOWER() may do useful mappings. 2570 * 2571 * Update the magic_names table in dump.c when adding/amending these 2572 */ 2573 2574 #define PERL_MAGIC_sv '\0' /* Special scalar variable */ 2575 #define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */ 2576 #define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */ 2577 #define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */ 2578 #define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */ 2579 #define PERL_MAGIC_regdata 'D' /* Regex match position data 2580 (@+ and @- vars) */ 2581 #define PERL_MAGIC_regdatum 'd' /* Regex match position data element */ 2582 #define PERL_MAGIC_env 'E' /* %ENV hash */ 2583 #define PERL_MAGIC_envelem 'e' /* %ENV hash element */ 2584 #define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */ 2585 #define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */ 2586 #define PERL_MAGIC_isa 'I' /* @ISA array */ 2587 #define PERL_MAGIC_isaelem 'i' /* @ISA array element */ 2588 #define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */ 2589 #define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */ 2590 #define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */ 2591 #define PERL_MAGIC_mutex 'm' /* for lock op */ 2592 #define PERL_MAGIC_shared 'N' /* Shared between threads */ 2593 #define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */ 2594 #define PERL_MAGIC_collxfrm 'o' /* Locale transformation */ 2595 #define PERL_MAGIC_tied 'P' /* Tied array or hash */ 2596 #define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */ 2597 #define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */ 2598 #define PERL_MAGIC_qr 'r' /* precompiled qr// regex */ 2599 #define PERL_MAGIC_sig 'S' /* %SIG hash */ 2600 #define PERL_MAGIC_sigelem 's' /* %SIG hash element */ 2601 #define PERL_MAGIC_taint 't' /* Taintedness */ 2602 #define PERL_MAGIC_uvar 'U' /* Available for use by extensions */ 2603 #define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */ 2604 #define PERL_MAGIC_vec 'v' /* vec() lvalue */ 2605 #define PERL_MAGIC_substr 'x' /* substr() lvalue */ 2606 #define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable / 2607 smart parameter vivification */ 2608 #define PERL_MAGIC_glob '*' /* GV (typeglob) */ 2609 #define PERL_MAGIC_arylen '#' /* Array length ($#ary) */ 2610 #define PERL_MAGIC_pos '.' /* pos() lvalue */ 2611 #define PERL_MAGIC_backref '<' /* for weak ref data */ 2612 #define PERL_MAGIC_ext '~' /* Available for use by extensions */ 2613 2614 2615 #define YYMAXDEPTH 300 2616 2617 #ifndef assert /* <assert.h> might have been included somehow */ 2618 #ifdef DEBUGGING 2619 #define assert(what) DEB( { \ 2620 if (!(what)) { \ 2621 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \ 2622 __FILE__, __LINE__); \ 2623 PerlProc_exit(1); \ 2624 }}) 2625 #else 2626 #define assert(what) DEB( { \ 2627 if (!(what)) { \ 2628 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \ 2629 __FILE__, __LINE__); \ 2630 PerlProc_exit(1); \ 2631 }}) 2632 #endif 2633 #endif 2634 2635 struct ufuncs { 2636 I32 (*uf_val)(pTHX_ IV, SV*); 2637 I32 (*uf_set)(pTHX_ IV, SV*); 2638 IV uf_index; 2639 }; 2640 2641 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context. 2642 * XS code wanting to be backward compatible can do something 2643 * like the following: 2644 2645 #ifndef PERL_MG_UFUNC 2646 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv) 2647 #endif 2648 2649 static PERL_MG_UFUNC(foo_get, index, val) 2650 { 2651 sv_setsv(val, ...); 2652 return TRUE; 2653 } 2654 2655 -- Doug MacEachern 2656 2657 */ 2658 2659 #ifndef PERL_MG_UFUNC 2660 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv) 2661 #endif 2662 2663 /* Fix these up for __STDC__ */ 2664 #ifndef DONT_DECLARE_STD 2665 char *mktemp (char*); 2666 #ifndef atof 2667 double atof (const char*); 2668 #endif 2669 #endif 2670 2671 #ifndef STANDARD_C 2672 /* All of these are in stdlib.h or time.h for ANSI C */ 2673 Time_t time(); 2674 struct tm *gmtime(), *localtime(); 2675 #if defined(OEMVS) || defined(__OPEN_VM) 2676 char *(strchr)(), *(strrchr)(); 2677 char *(strcpy)(), *(strcat)(); 2678 #else 2679 char *strchr(), *strrchr(); 2680 char *strcpy(), *strcat(); 2681 #endif 2682 #endif /* ! STANDARD_C */ 2683 2684 2685 #ifdef I_MATH 2686 # include <math.h> 2687 #else 2688 START_EXTERN_C 2689 double exp (double); 2690 double log (double); 2691 double log10 (double); 2692 double sqrt (double); 2693 double frexp (double,int*); 2694 double ldexp (double,int); 2695 double modf (double,double*); 2696 double sin (double); 2697 double cos (double); 2698 double atan2 (double,double); 2699 double pow (double,double); 2700 END_EXTERN_C 2701 #endif 2702 2703 #if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY) 2704 # define NV_INF LDBL_INFINITY 2705 #endif 2706 #if !defined(NV_INF) && defined(DBL_INFINITY) 2707 # define NV_INF (NV)DBL_INFINITY 2708 #endif 2709 #if !defined(NV_INF) && defined(INFINITY) 2710 # define NV_INF (NV)INFINITY 2711 #endif 2712 #if !defined(NV_INF) && defined(INF) 2713 # define NV_INF (NV)INF 2714 #endif 2715 #if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL) 2716 # define NV_INF (NV)HUGE_VALL 2717 #endif 2718 #if !defined(NV_INF) && defined(HUGE_VAL) 2719 # define NV_INF (NV)HUGE_VAL 2720 #endif 2721 2722 #if !defined(NV_NAN) && defined(USE_LONG_DOUBLE) 2723 # if !defined(NV_NAN) && defined(LDBL_NAN) 2724 # define NV_NAN LDBL_NAN 2725 # endif 2726 # if !defined(NV_NAN) && defined(LDBL_QNAN) 2727 # define NV_NAN LDBL_QNAN 2728 # endif 2729 # if !defined(NV_NAN) && defined(LDBL_SNAN) 2730 # define NV_NAN LDBL_SNAN 2731 # endif 2732 #endif 2733 #if !defined(NV_NAN) && defined(DBL_NAN) 2734 # define NV_NAN (NV)DBL_NAN 2735 #endif 2736 #if !defined(NV_NAN) && defined(DBL_QNAN) 2737 # define NV_NAN (NV)DBL_QNAN 2738 #endif 2739 #if !defined(NV_NAN) && defined(DBL_SNAN) 2740 # define NV_NAN (NV)DBL_SNAN 2741 #endif 2742 #if !defined(NV_NAN) && defined(QNAN) 2743 # define NV_NAN (NV)QNAN 2744 #endif 2745 #if !defined(NV_NAN) && defined(SNAN) 2746 # define NV_NAN (NV)SNAN 2747 #endif 2748 #if !defined(NV_NAN) && defined(NAN) 2749 # define NV_NAN (NV)NAN 2750 #endif 2751 2752 #ifndef __cplusplus 2753 # if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */ 2754 char *crypt (); /* Maybe more hosts will need the unprototyped version */ 2755 # else 2756 # if !defined(WIN32) && !defined(VMS) 2757 #ifndef crypt 2758 char *crypt (const char*, const char*); 2759 #endif 2760 # endif /* !WIN32 */ 2761 # endif /* !NeXT && !__NeXT__ */ 2762 # ifndef DONT_DECLARE_STD 2763 # ifndef getenv 2764 char *getenv (const char*); 2765 # endif /* !getenv */ 2766 # if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux) 2767 # ifdef _FILE_OFFSET_BITS 2768 # if _FILE_OFFSET_BITS == 64 2769 Off_t lseek (int,Off_t,int); 2770 # endif 2771 # endif 2772 # endif 2773 # endif /* !DONT_DECLARE_STD */ 2774 #ifndef getlogin 2775 char *getlogin (void); 2776 #endif 2777 #endif /* !__cplusplus */ 2778 2779 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */ 2780 #define UNLINK unlnk 2781 I32 unlnk (char*); 2782 #else 2783 #define UNLINK PerlLIO_unlink 2784 #endif 2785 2786 /* some versions of glibc are missing the setresuid() proto */ 2787 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO) 2788 int setresuid(uid_t ruid, uid_t euid, uid_t suid); 2789 #endif 2790 /* some versions of glibc are missing the setresgid() proto */ 2791 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO) 2792 int setresgid(gid_t rgid, gid_t egid, gid_t sgid); 2793 #endif 2794 2795 #ifndef HAS_SETREUID 2796 # ifdef HAS_SETRESUID 2797 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1) 2798 # define HAS_SETREUID 2799 # endif 2800 #endif 2801 #ifndef HAS_SETREGID 2802 # ifdef HAS_SETRESGID 2803 # define setregid(r,e) setresgid(r,e,(Gid_t)-1) 2804 # define HAS_SETREGID 2805 # endif 2806 #endif 2807 2808 /* Sighandler_t defined in iperlsys.h */ 2809 2810 #ifdef HAS_SIGACTION 2811 typedef struct sigaction Sigsave_t; 2812 #else 2813 typedef Sighandler_t Sigsave_t; 2814 #endif 2815 2816 #define SCAN_DEF 0 2817 #define SCAN_TR 1 2818 #define SCAN_REPL 2 2819 2820 #ifdef DEBUGGING 2821 # ifndef register 2822 # define register 2823 # endif 2824 # define PAD_SV(po) pad_sv(po) 2825 # define RUNOPS_DEFAULT Perl_runops_debug 2826 #else 2827 # define PAD_SV(po) PL_curpad[po] 2828 # define RUNOPS_DEFAULT Perl_runops_standard 2829 #endif 2830 2831 #ifdef MYMALLOC 2832 # ifdef MUTEX_INIT_CALLS_MALLOC 2833 # define MALLOC_INIT \ 2834 STMT_START { \ 2835 PL_malloc_mutex = NULL; \ 2836 MUTEX_INIT(&PL_malloc_mutex); \ 2837 } STMT_END 2838 # define MALLOC_TERM \ 2839 STMT_START { \ 2840 perl_mutex tmp = PL_malloc_mutex; \ 2841 PL_malloc_mutex = NULL; \ 2842 MUTEX_DESTROY(&tmp); \ 2843 } STMT_END 2844 # else 2845 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex) 2846 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex) 2847 # endif 2848 #else 2849 # define MALLOC_INIT 2850 # define MALLOC_TERM 2851 #endif 2852 2853 2854 typedef int (CPERLscope(*runops_proc_t)) (pTHX); 2855 typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv); 2856 typedef int (CPERLscope(*thrhook_proc_t)) (pTHX); 2857 typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX); 2858 2859 /* _ (for $_) must be first in the following list (DEFSV requires it) */ 2860 #define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@" 2861 2862 /* NeXT has problems with crt0.o globals */ 2863 #if defined(__DYNAMIC__) && \ 2864 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__)) 2865 # if defined(NeXT) || defined(__NeXT) 2866 # include <mach-o/dyld.h> 2867 # define environ (*environ_pointer) 2868 EXT char *** environ_pointer; 2869 # else 2870 # if defined(__APPLE__) && defined(PERL_CORE) 2871 # include <crt_externs.h> /* for the env array */ 2872 # define environ (*_NSGetEnviron()) 2873 # endif 2874 # endif 2875 #else 2876 /* VMS and some other platforms don't use the environ array */ 2877 # ifdef USE_ENVIRON_ARRAY 2878 # if !defined(DONT_DECLARE_STD) || \ 2879 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \ 2880 defined(__sgi) || \ 2881 defined(__DGUX) 2882 extern char ** environ; /* environment variables supplied via exec */ 2883 # endif 2884 # endif 2885 #endif 2886 2887 START_EXTERN_C 2888 2889 /* handy constants */ 2890 EXTCONST char PL_warn_uninit[] 2891 INIT("Use of uninitialized value%s%s"); 2892 EXTCONST char PL_warn_nosemi[] 2893 INIT("Semicolon seems to be missing"); 2894 EXTCONST char PL_warn_reserved[] 2895 INIT("Unquoted string \"%s\" may clash with future reserved word"); 2896 EXTCONST char PL_warn_nl[] 2897 INIT("Unsuccessful %s on filename containing newline"); 2898 EXTCONST char PL_no_wrongref[] 2899 INIT("Can't use %s ref as %s ref"); 2900 EXTCONST char PL_no_symref[] 2901 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use"); 2902 EXTCONST char PL_no_usym[] 2903 INIT("Can't use an undefined value as %s reference"); 2904 EXTCONST char PL_no_aelem[] 2905 INIT("Modification of non-creatable array value attempted, subscript %d"); 2906 EXTCONST char PL_no_helem[] 2907 INIT("Modification of non-creatable hash value attempted, subscript \"%s\""); 2908 EXTCONST char PL_no_modify[] 2909 INIT("Modification of a read-only value attempted"); 2910 EXTCONST char PL_no_mem[] 2911 INIT("Out of memory!\n"); 2912 EXTCONST char PL_no_security[] 2913 INIT("Insecure dependency in %s%s"); 2914 EXTCONST char PL_no_sock_func[] 2915 INIT("Unsupported socket function \"%s\" called"); 2916 EXTCONST char PL_no_dir_func[] 2917 INIT("Unsupported directory function \"%s\" called"); 2918 EXTCONST char PL_no_func[] 2919 INIT("The %s function is unimplemented"); 2920 EXTCONST char PL_no_myglob[] 2921 INIT("\"my\" variable %s can't be in a package"); 2922 2923 EXTCONST char PL_uuemap[65] 2924 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"); 2925 2926 2927 #ifdef DOINIT 2928 EXT char *PL_sig_name[] = { SIG_NAME }; 2929 EXT int PL_sig_num[] = { SIG_NUM }; 2930 #else 2931 EXT char *PL_sig_name[]; 2932 EXT int PL_sig_num[]; 2933 #endif 2934 2935 /* fast conversion and case folding tables */ 2936 2937 #ifdef DOINIT 2938 #ifdef EBCDIC 2939 EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */ 2940 0, 1, 2, 3, 4, 5, 6, 7, 2941 8, 9, 10, 11, 12, 13, 14, 15, 2942 16, 17, 18, 19, 20, 21, 22, 23, 2943 24, 25, 26, 27, 28, 29, 30, 31, 2944 32, 33, 34, 35, 36, 37, 38, 39, 2945 40, 41, 42, 43, 44, 45, 46, 47, 2946 48, 49, 50, 51, 52, 53, 54, 55, 2947 56, 57, 58, 59, 60, 61, 62, 63, 2948 64, 65, 66, 67, 68, 69, 70, 71, 2949 72, 73, 74, 75, 76, 77, 78, 79, 2950 80, 81, 82, 83, 84, 85, 86, 87, 2951 88, 89, 90, 91, 92, 93, 94, 95, 2952 96, 97, 98, 99, 100, 101, 102, 103, 2953 104, 105, 106, 107, 108, 109, 110, 111, 2954 112, 113, 114, 115, 116, 117, 118, 119, 2955 120, 121, 122, 123, 124, 125, 126, 127, 2956 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 2957 'H', 'I', 138, 139, 140, 141, 142, 143, 2958 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P', 2959 'Q', 'R', 154, 155, 156, 157, 158, 159, 2960 160, 161, 'S', 'T', 'U', 'V', 'W', 'X', 2961 'Y', 'Z', 170, 171, 172, 173, 174, 175, 2962 176, 177, 178, 179, 180, 181, 182, 183, 2963 184, 185, 186, 187, 188, 189, 190, 191, 2964 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 2965 'h', 'i', 202, 203, 204, 205, 206, 207, 2966 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p', 2967 'q', 'r', 218, 219, 220, 221, 222, 223, 2968 224, 225, 's', 't', 'u', 'v', 'w', 'x', 2969 'y', 'z', 234, 235, 236, 237, 238, 239, 2970 240, 241, 242, 243, 244, 245, 246, 247, 2971 248, 249, 250, 251, 252, 253, 254, 255 2972 }; 2973 #else /* ascii rather than ebcdic */ 2974 EXTCONST unsigned char PL_fold[] = { 2975 0, 1, 2, 3, 4, 5, 6, 7, 2976 8, 9, 10, 11, 12, 13, 14, 15, 2977 16, 17, 18, 19, 20, 21, 22, 23, 2978 24, 25, 26, 27, 28, 29, 30, 31, 2979 32, 33, 34, 35, 36, 37, 38, 39, 2980 40, 41, 42, 43, 44, 45, 46, 47, 2981 48, 49, 50, 51, 52, 53, 54, 55, 2982 56, 57, 58, 59, 60, 61, 62, 63, 2983 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 2984 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 2985 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 2986 'x', 'y', 'z', 91, 92, 93, 94, 95, 2987 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 2988 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 2989 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 2990 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 2991 128, 129, 130, 131, 132, 133, 134, 135, 2992 136, 137, 138, 139, 140, 141, 142, 143, 2993 144, 145, 146, 147, 148, 149, 150, 151, 2994 152, 153, 154, 155, 156, 157, 158, 159, 2995 160, 161, 162, 163, 164, 165, 166, 167, 2996 168, 169, 170, 171, 172, 173, 174, 175, 2997 176, 177, 178, 179, 180, 181, 182, 183, 2998 184, 185, 186, 187, 188, 189, 190, 191, 2999 192, 193, 194, 195, 196, 197, 198, 199, 3000 200, 201, 202, 203, 204, 205, 206, 207, 3001 208, 209, 210, 211, 212, 213, 214, 215, 3002 216, 217, 218, 219, 220, 221, 222, 223, 3003 224, 225, 226, 227, 228, 229, 230, 231, 3004 232, 233, 234, 235, 236, 237, 238, 239, 3005 240, 241, 242, 243, 244, 245, 246, 247, 3006 248, 249, 250, 251, 252, 253, 254, 255 3007 }; 3008 #endif /* !EBCDIC */ 3009 #else 3010 EXTCONST unsigned char PL_fold[]; 3011 #endif 3012 3013 #ifdef DOINIT 3014 EXT unsigned char PL_fold_locale[] = { 3015 0, 1, 2, 3, 4, 5, 6, 7, 3016 8, 9, 10, 11, 12, 13, 14, 15, 3017 16, 17, 18, 19, 20, 21, 22, 23, 3018 24, 25, 26, 27, 28, 29, 30, 31, 3019 32, 33, 34, 35, 36, 37, 38, 39, 3020 40, 41, 42, 43, 44, 45, 46, 47, 3021 48, 49, 50, 51, 52, 53, 54, 55, 3022 56, 57, 58, 59, 60, 61, 62, 63, 3023 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 3024 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 3025 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 3026 'x', 'y', 'z', 91, 92, 93, 94, 95, 3027 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 3028 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 3029 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 3030 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 3031 128, 129, 130, 131, 132, 133, 134, 135, 3032 136, 137, 138, 139, 140, 141, 142, 143, 3033 144, 145, 146, 147, 148, 149, 150, 151, 3034 152, 153, 154, 155, 156, 157, 158, 159, 3035 160, 161, 162, 163, 164, 165, 166, 167, 3036 168, 169, 170, 171, 172, 173, 174, 175, 3037 176, 177, 178, 179, 180, 181, 182, 183, 3038 184, 185, 186, 187, 188, 189, 190, 191, 3039 192, 193, 194, 195, 196, 197, 198, 199, 3040 200, 201, 202, 203, 204, 205, 206, 207, 3041 208, 209, 210, 211, 212, 213, 214, 215, 3042 216, 217, 218, 219, 220, 221, 222, 223, 3043 224, 225, 226, 227, 228, 229, 230, 231, 3044 232, 233, 234, 235, 236, 237, 238, 239, 3045 240, 241, 242, 243, 244, 245, 246, 247, 3046 248, 249, 250, 251, 252, 253, 254, 255 3047 }; 3048 #else 3049 EXT unsigned char PL_fold_locale[]; 3050 #endif 3051 3052 #ifdef DOINIT 3053 #ifdef EBCDIC 3054 EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */ 3055 1, 2, 84, 151, 154, 155, 156, 157, 3056 165, 246, 250, 3, 158, 7, 18, 29, 3057 40, 51, 62, 73, 85, 96, 107, 118, 3058 129, 140, 147, 148, 149, 150, 152, 153, 3059 255, 6, 8, 9, 10, 11, 12, 13, 3060 14, 15, 24, 25, 26, 27, 28, 226, 3061 29, 30, 31, 32, 33, 43, 44, 45, 3062 46, 47, 48, 49, 50, 76, 77, 78, 3063 79, 80, 81, 82, 83, 84, 85, 86, 3064 87, 94, 95, 234, 181, 233, 187, 190, 3065 180, 96, 97, 98, 99, 100, 101, 102, 3066 104, 112, 182, 174, 236, 232, 229, 103, 3067 228, 226, 114, 115, 116, 117, 118, 119, 3068 120, 121, 122, 235, 176, 230, 194, 162, 3069 130, 131, 132, 133, 134, 135, 136, 137, 3070 138, 139, 201, 205, 163, 217, 220, 224, 3071 5, 248, 227, 244, 242, 255, 241, 231, 3072 240, 253, 16, 197, 19, 20, 21, 187, 3073 23, 169, 210, 245, 237, 249, 247, 239, 3074 168, 252, 34, 196, 36, 37, 38, 39, 3075 41, 42, 251, 254, 238, 223, 221, 213, 3076 225, 177, 52, 53, 54, 55, 56, 57, 3077 58, 59, 60, 61, 63, 64, 65, 66, 3078 67, 68, 69, 70, 71, 72, 74, 75, 3079 205, 208, 186, 202, 200, 218, 198, 179, 3080 178, 214, 88, 89, 90, 91, 92, 93, 3081 217, 166, 170, 207, 199, 209, 206, 204, 3082 160, 212, 105, 106, 108, 109, 110, 111, 3083 203, 113, 216, 215, 192, 175, 193, 243, 3084 172, 161, 123, 124, 125, 126, 127, 128, 3085 222, 219, 211, 195, 188, 193, 185, 184, 3086 191, 183, 141, 142, 143, 144, 145, 146 3087 }; 3088 #else /* ascii rather than ebcdic */ 3089 EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */ 3090 1, 2, 84, 151, 154, 155, 156, 157, 3091 165, 246, 250, 3, 158, 7, 18, 29, 3092 40, 51, 62, 73, 85, 96, 107, 118, 3093 129, 140, 147, 148, 149, 150, 152, 153, 3094 255, 182, 224, 205, 174, 176, 180, 217, 3095 233, 232, 236, 187, 235, 228, 234, 226, 3096 222, 219, 211, 195, 188, 193, 185, 184, 3097 191, 183, 201, 229, 181, 220, 194, 162, 3098 163, 208, 186, 202, 200, 218, 198, 179, 3099 178, 214, 166, 170, 207, 199, 209, 206, 3100 204, 160, 212, 216, 215, 192, 175, 173, 3101 243, 172, 161, 190, 203, 189, 164, 230, 3102 167, 248, 227, 244, 242, 255, 241, 231, 3103 240, 253, 169, 210, 245, 237, 249, 247, 3104 239, 168, 252, 251, 254, 238, 223, 221, 3105 213, 225, 177, 197, 171, 196, 159, 4, 3106 5, 6, 8, 9, 10, 11, 12, 13, 3107 14, 15, 16, 17, 19, 20, 21, 22, 3108 23, 24, 25, 26, 27, 28, 30, 31, 3109 32, 33, 34, 35, 36, 37, 38, 39, 3110 41, 42, 43, 44, 45, 46, 47, 48, 3111 49, 50, 52, 53, 54, 55, 56, 57, 3112 58, 59, 60, 61, 63, 64, 65, 66, 3113 67, 68, 69, 70, 71, 72, 74, 75, 3114 76, 77, 78, 79, 80, 81, 82, 83, 3115 86, 87, 88, 89, 90, 91, 92, 93, 3116 94, 95, 97, 98, 99, 100, 101, 102, 3117 103, 104, 105, 106, 108, 109, 110, 111, 3118 112, 113, 114, 115, 116, 117, 119, 120, 3119 121, 122, 123, 124, 125, 126, 127, 128, 3120 130, 131, 132, 133, 134, 135, 136, 137, 3121 138, 139, 141, 142, 143, 144, 145, 146 3122 }; 3123 #endif 3124 #else 3125 EXTCONST unsigned char PL_freq[]; 3126 #endif 3127 3128 #ifdef DEBUGGING 3129 #ifdef DOINIT 3130 EXTCONST char* PL_block_type[] = { 3131 "NULL", 3132 "SUB", 3133 "EVAL", 3134 "LOOP", 3135 "SUBST", 3136 "BLOCK", 3137 }; 3138 #else 3139 EXTCONST char* PL_block_type[]; 3140 #endif 3141 #endif 3142 3143 END_EXTERN_C 3144 3145 /*****************************************************************************/ 3146 /* This lexer/parser stuff is currently global since yacc is hard to reenter */ 3147 /*****************************************************************************/ 3148 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */ 3149 3150 #include "perly.h" 3151 3152 #define LEX_NOTPARSING 11 /* borrowed from toke.c */ 3153 3154 typedef enum { 3155 XOPERATOR, 3156 XTERM, 3157 XREF, 3158 XSTATE, 3159 XBLOCK, 3160 XATTRBLOCK, 3161 XATTRTERM, 3162 XTERMBLOCK 3163 } expectation; 3164 3165 enum { /* pass one of these to get_vtbl */ 3166 want_vtbl_sv, 3167 want_vtbl_env, 3168 want_vtbl_envelem, 3169 want_vtbl_sig, 3170 want_vtbl_sigelem, 3171 want_vtbl_pack, 3172 want_vtbl_packelem, 3173 want_vtbl_dbline, 3174 want_vtbl_isa, 3175 want_vtbl_isaelem, 3176 want_vtbl_arylen, 3177 want_vtbl_glob, 3178 want_vtbl_mglob, 3179 want_vtbl_nkeys, 3180 want_vtbl_taint, 3181 want_vtbl_substr, 3182 want_vtbl_vec, 3183 want_vtbl_pos, 3184 want_vtbl_bm, 3185 want_vtbl_fm, 3186 want_vtbl_uvar, 3187 want_vtbl_defelem, 3188 want_vtbl_regexp, 3189 want_vtbl_collxfrm, 3190 want_vtbl_amagic, 3191 want_vtbl_amagicelem, 3192 #ifdef USE_5005THREADS 3193 want_vtbl_mutex, 3194 #endif 3195 want_vtbl_regdata, 3196 want_vtbl_regdatum, 3197 want_vtbl_backref 3198 }; 3199 3200 /* Note: the lowest 8 bits are reserved for 3201 stuffing into op->op_private */ 3202 #define HINT_PRIVATE_MASK 0x000000ff 3203 #define HINT_INTEGER 0x00000001 3204 #define HINT_STRICT_REFS 0x00000002 3205 #define HINT_LOCALE 0x00000004 3206 #define HINT_BYTES 0x00000008 3207 /* #define HINT_notused10 0x00000010 */ 3208 /* Note: 20,40,80 used for NATIVE_HINTS */ 3209 3210 #define HINT_BLOCK_SCOPE 0x00000100 3211 #define HINT_STRICT_SUBS 0x00000200 3212 #define HINT_STRICT_VARS 0x00000400 3213 3214 #define HINT_NEW_INTEGER 0x00001000 3215 #define HINT_NEW_FLOAT 0x00002000 3216 #define HINT_NEW_BINARY 0x00004000 3217 #define HINT_NEW_STRING 0x00008000 3218 #define HINT_NEW_RE 0x00010000 3219 #define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */ 3220 3221 #define HINT_RE_TAINT 0x00100000 3222 #define HINT_RE_EVAL 0x00200000 3223 3224 #define HINT_FILETEST_ACCESS 0x00400000 3225 #define HINT_UTF8 0x00800000 3226 3227 #define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */ 3228 #define HINT_SORT_QUICKSORT 0x00000001 3229 #define HINT_SORT_MERGESORT 0x00000002 3230 #define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */ 3231 3232 /* Various states of the input record separator SV (rs) */ 3233 #define RsSNARF(sv) (! SvOK(sv)) 3234 #define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv))) 3235 #define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv)) 3236 #define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0)) 3237 3238 /* A struct for keeping various DEBUGGING related stuff, 3239 * neatly packed. Currently only scratch variables for 3240 * constructing debug output are included. Needed always, 3241 * not just when DEBUGGING, though, because of the re extension. c*/ 3242 struct perl_debug_pad { 3243 SV pad[3]; 3244 }; 3245 3246 #define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i]) 3247 #define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i)) 3248 3249 /* Enable variables which are pointers to functions */ 3250 typedef void (CPERLscope(*peep_t))(pTHX_ OP* o); 3251 typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm); 3252 typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg, 3253 char* strend, char* strbeg, I32 minend, 3254 SV* screamer, void* data, U32 flags); 3255 typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv, 3256 char *strpos, char *strend, 3257 U32 flags, 3258 struct re_scream_pos_data_s *d); 3259 typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog); 3260 typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r); 3261 3262 typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*); 3263 typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*); 3264 typedef void (*SVFUNC_t) (pTHX_ SV*); 3265 typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*); 3266 typedef void (*XSINIT_t) (pTHX); 3267 typedef void (*ATEXIT_t) (pTHX_ void*); 3268 typedef void (*XSUBADDR_t) (pTHX_ CV *); 3269 3270 /* Set up PERLVAR macros for populating structs */ 3271 #define PERLVAR(var,type) type var; 3272 #define PERLVARA(var,n,type) type var[n]; 3273 #define PERLVARI(var,type,init) type var; 3274 #define PERLVARIC(var,type,init) type var; 3275 3276 /* Interpreter exitlist entry */ 3277 typedef struct exitlistentry { 3278 void (*fn) (pTHX_ void*); 3279 void *ptr; 3280 } PerlExitListEntry; 3281 3282 #ifdef PERL_GLOBAL_STRUCT 3283 struct perl_vars { 3284 # include "perlvars.h" 3285 }; 3286 3287 # ifdef PERL_CORE 3288 EXT struct perl_vars PL_Vars; 3289 EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars); 3290 # else /* PERL_CORE */ 3291 # if !defined(__GNUC__) || !defined(WIN32) 3292 EXT 3293 # endif /* WIN32 */ 3294 struct perl_vars *PL_VarsPtr; 3295 # define PL_Vars (*((PL_VarsPtr) \ 3296 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX)))) 3297 # endif /* PERL_CORE */ 3298 #endif /* PERL_GLOBAL_STRUCT */ 3299 3300 #if defined(MULTIPLICITY) 3301 /* If we have multiple interpreters define a struct 3302 holding variables which must be per-interpreter 3303 If we don't have threads anything that would have 3304 be per-thread is per-interpreter. 3305 */ 3306 3307 struct interpreter { 3308 # ifndef USE_5005THREADS 3309 # include "thrdvar.h" 3310 # endif 3311 # include "intrpvar.h" 3312 /* 3313 * The following is a buffer where new variables must 3314 * be defined to maintain binary compatibility with previous versions 3315 */ 3316 PERLVARA(object_compatibility,30, char) 3317 }; 3318 3319 #else 3320 struct interpreter { 3321 char broiled; 3322 }; 3323 #endif /* MULTIPLICITY */ 3324 3325 #ifdef USE_5005THREADS 3326 /* If we have threads define a struct with all the variables 3327 * that have to be per-thread 3328 */ 3329 3330 3331 struct perl_thread { 3332 #include "thrdvar.h" 3333 }; 3334 3335 typedef struct perl_thread *Thread; 3336 3337 #else 3338 typedef void *Thread; 3339 #endif 3340 3341 /* Done with PERLVAR macros for now ... */ 3342 #undef PERLVAR 3343 #undef PERLVARA 3344 #undef PERLVARI 3345 #undef PERLVARIC 3346 3347 #include "thread.h" 3348 #include "pp.h" 3349 3350 #ifndef PERL_CALLCONV 3351 # define PERL_CALLCONV 3352 #endif 3353 3354 #ifndef NEXT30_NO_ATTRIBUTE 3355 # ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */ 3356 # ifdef __attribute__ /* Avoid possible redefinition errors */ 3357 # undef __attribute__ 3358 # endif 3359 # define __attribute__(attr) 3360 # endif 3361 #endif 3362 3363 #undef PERL_CKDEF 3364 #undef PERL_PPDEF 3365 #define PERL_CKDEF(s) OP *s (pTHX_ OP *o); 3366 #define PERL_PPDEF(s) OP *s (pTHX); 3367 3368 #include "proto.h" 3369 3370 /* this has structure inits, so it cannot be included before here */ 3371 #include "opcode.h" 3372 3373 /* The following must follow proto.h as #defines mess up syntax */ 3374 3375 #if !defined(PERL_FOR_X2P) 3376 # include "embedvar.h" 3377 #endif 3378 3379 /* Now include all the 'global' variables 3380 * If we don't have threads or multiple interpreters 3381 * these include variables that would have been their struct-s 3382 */ 3383 3384 #define PERLVAR(var,type) EXT type PL_##var; 3385 #define PERLVARA(var,n,type) EXT type PL_##var[n]; 3386 #define PERLVARI(var,type,init) EXT type PL_##var INIT(init); 3387 #define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init); 3388 3389 #if !defined(MULTIPLICITY) 3390 START_EXTERN_C 3391 # include "intrpvar.h" 3392 # ifndef USE_5005THREADS 3393 # include "thrdvar.h" 3394 # endif 3395 END_EXTERN_C 3396 #endif 3397 3398 #if defined(WIN32) 3399 /* Now all the config stuff is setup we can include embed.h */ 3400 # include "embed.h" 3401 #endif 3402 3403 #ifndef PERL_GLOBAL_STRUCT 3404 START_EXTERN_C 3405 3406 # include "perlvars.h" 3407 3408 END_EXTERN_C 3409 #endif 3410 3411 #undef PERLVAR 3412 #undef PERLVARA 3413 #undef PERLVARI 3414 #undef PERLVARIC 3415 3416 START_EXTERN_C 3417 3418 #ifdef DOINIT 3419 3420 EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get), 3421 MEMBER_TO_FPTR(Perl_magic_set), 3422 MEMBER_TO_FPTR(Perl_magic_len), 3423 0, 0}; 3424 EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env), 3425 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env), 3426 0}; 3427 EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv), 3428 0, MEMBER_TO_FPTR(Perl_magic_clearenv), 3429 0}; 3430 EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0}; 3431 #ifdef PERL_MICRO 3432 EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0}; 3433 #else 3434 EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig), 3435 MEMBER_TO_FPTR(Perl_magic_setsig), 3436 0, MEMBER_TO_FPTR(Perl_magic_clearsig), 3437 0}; 3438 #endif 3439 EXT MGVTBL PL_vtbl_pack = {0, 0, 3440 MEMBER_TO_FPTR(Perl_magic_sizepack), 3441 MEMBER_TO_FPTR(Perl_magic_wipepack), 3442 0}; 3443 EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack), 3444 MEMBER_TO_FPTR(Perl_magic_setpack), 3445 0, MEMBER_TO_FPTR(Perl_magic_clearpack), 3446 0}; 3447 EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline), 3448 0, 0, 0}; 3449 EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa), 3450 0, MEMBER_TO_FPTR(Perl_magic_setisa), 3451 0}; 3452 EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa), 3453 0, 0, 0}; 3454 EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen), 3455 MEMBER_TO_FPTR(Perl_magic_setarylen), 3456 0, 0, 0}; 3457 EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob), 3458 MEMBER_TO_FPTR(Perl_magic_setglob), 3459 0, 0, 0}; 3460 EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob), 3461 0, 0, 0}; 3462 EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys), 3463 MEMBER_TO_FPTR(Perl_magic_setnkeys), 3464 0, 0, 0}; 3465 EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint), 3466 MEMBER_TO_FPTR(Perl_magic_settaint), 3467 0, 0, 0}; 3468 EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr), 3469 MEMBER_TO_FPTR(Perl_magic_setsubstr), 3470 0, 0, 0}; 3471 EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec), 3472 MEMBER_TO_FPTR(Perl_magic_setvec), 3473 0, 0, 0}; 3474 EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos), 3475 MEMBER_TO_FPTR(Perl_magic_setpos), 3476 0, 0, 0}; 3477 EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm), 3478 0, 0, 0}; 3479 EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm), 3480 0, 0, 0}; 3481 EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar), 3482 MEMBER_TO_FPTR(Perl_magic_setuvar), 3483 0, 0, 0}; 3484 #ifdef USE_5005THREADS 3485 EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0, 3486 MEMBER_TO_FPTR(Perl_magic_mutexfree)}; 3487 #endif /* USE_5005THREADS */ 3488 EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem), 3489 MEMBER_TO_FPTR(Perl_magic_setdefelem), 3490 0, 0, 0}; 3491 3492 EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)}; 3493 EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0}; 3494 EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get), 3495 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0}; 3496 3497 #ifdef USE_LOCALE_COLLATE 3498 EXT MGVTBL PL_vtbl_collxfrm = {0, 3499 MEMBER_TO_FPTR(Perl_magic_setcollxfrm), 3500 0, 0, 0}; 3501 #endif 3502 3503 EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic), 3504 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)}; 3505 EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic), 3506 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)}; 3507 3508 EXT MGVTBL PL_vtbl_backref = {0, 0, 3509 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)}; 3510 3511 EXT MGVTBL PL_vtbl_ovrld = {0, 0, 3512 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)}; 3513 3514 #else /* !DOINIT */ 3515 3516 EXT MGVTBL PL_vtbl_sv; 3517 EXT MGVTBL PL_vtbl_env; 3518 EXT MGVTBL PL_vtbl_envelem; 3519 EXT MGVTBL PL_vtbl_sig; 3520 EXT MGVTBL PL_vtbl_sigelem; 3521 EXT MGVTBL PL_vtbl_pack; 3522 EXT MGVTBL PL_vtbl_packelem; 3523 EXT MGVTBL PL_vtbl_dbline; 3524 EXT MGVTBL PL_vtbl_isa; 3525 EXT MGVTBL PL_vtbl_isaelem; 3526 EXT MGVTBL PL_vtbl_arylen; 3527 EXT MGVTBL PL_vtbl_glob; 3528 EXT MGVTBL PL_vtbl_mglob; 3529 EXT MGVTBL PL_vtbl_nkeys; 3530 EXT MGVTBL PL_vtbl_taint; 3531 EXT MGVTBL PL_vtbl_substr; 3532 EXT MGVTBL PL_vtbl_vec; 3533 EXT MGVTBL PL_vtbl_pos; 3534 EXT MGVTBL PL_vtbl_bm; 3535 EXT MGVTBL PL_vtbl_fm; 3536 EXT MGVTBL PL_vtbl_uvar; 3537 EXT MGVTBL PL_vtbl_ovrld; 3538 3539 #ifdef USE_5005THREADS 3540 EXT MGVTBL PL_vtbl_mutex; 3541 #endif /* USE_5005THREADS */ 3542 3543 EXT MGVTBL PL_vtbl_defelem; 3544 EXT MGVTBL PL_vtbl_regexp; 3545 EXT MGVTBL PL_vtbl_regdata; 3546 EXT MGVTBL PL_vtbl_regdatum; 3547 3548 #ifdef USE_LOCALE_COLLATE 3549 EXT MGVTBL PL_vtbl_collxfrm; 3550 #endif 3551 3552 EXT MGVTBL PL_vtbl_amagic; 3553 EXT MGVTBL PL_vtbl_amagicelem; 3554 3555 EXT MGVTBL PL_vtbl_backref; 3556 3557 #endif /* !DOINIT */ 3558 3559 enum { 3560 fallback_amg, abs_amg, 3561 bool__amg, nomethod_amg, 3562 string_amg, numer_amg, 3563 add_amg, add_ass_amg, 3564 subtr_amg, subtr_ass_amg, 3565 mult_amg, mult_ass_amg, 3566 div_amg, div_ass_amg, 3567 modulo_amg, modulo_ass_amg, 3568 pow_amg, pow_ass_amg, 3569 lshift_amg, lshift_ass_amg, 3570 rshift_amg, rshift_ass_amg, 3571 band_amg, band_ass_amg, 3572 bor_amg, bor_ass_amg, 3573 bxor_amg, bxor_ass_amg, 3574 lt_amg, le_amg, 3575 gt_amg, ge_amg, 3576 eq_amg, ne_amg, 3577 ncmp_amg, scmp_amg, 3578 slt_amg, sle_amg, 3579 sgt_amg, sge_amg, 3580 seq_amg, sne_amg, 3581 not_amg, compl_amg, 3582 inc_amg, dec_amg, 3583 atan2_amg, cos_amg, 3584 sin_amg, exp_amg, 3585 log_amg, sqrt_amg, 3586 repeat_amg, repeat_ass_amg, 3587 concat_amg, concat_ass_amg, 3588 copy_amg, neg_amg, 3589 to_sv_amg, to_av_amg, 3590 to_hv_amg, to_gv_amg, 3591 to_cv_amg, iter_amg, 3592 int_amg, DESTROY_amg, 3593 max_amg_code 3594 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */ 3595 }; 3596 3597 #define NofAMmeth max_amg_code 3598 #define AMG_id2name(id) ((char*)PL_AMG_names[id]+1) 3599 3600 #ifdef DOINIT 3601 EXTCONST char * PL_AMG_names[NofAMmeth] = { 3602 /* Names kept in the symbol table. fallback => "()", the rest has 3603 "(" prepended. The only other place in perl which knows about 3604 this convention is AMG_id2name (used for debugging output and 3605 'nomethod' only), the only other place which has it hardwired is 3606 overload.pm. */ 3607 "()", "(abs", /* "fallback" should be the first. */ 3608 "(bool", "(nomethod", 3609 "(\"\"", "(0+", 3610 "(+", "(+=", 3611 "(-", "(-=", 3612 "(*", "(*=", 3613 "(/", "(/=", 3614 "(%", "(%=", 3615 "(**", "(**=", 3616 "(<<", "(<<=", 3617 "(>>", "(>>=", 3618 "(&", "(&=", 3619 "(|", "(|=", 3620 "(^", "(^=", 3621 "(<", "(<=", 3622 "(>", "(>=", 3623 "(==", "(!=", 3624 "(<=>", "(cmp", 3625 "(lt", "(le", 3626 "(gt", "(ge", 3627 "(eq", "(ne", 3628 "(!", "(~", 3629 "(++", "(--", 3630 "(atan2", "(cos", 3631 "(sin", "(exp", 3632 "(log", "(sqrt", 3633 "(x", "(x=", 3634 "(.", "(.=", 3635 "(=", "(neg", 3636 "(${}", "(@{}", 3637 "(%{}", "(*{}", 3638 "(&{}", "(<>", 3639 "(int", "DESTROY", 3640 }; 3641 #else 3642 EXTCONST char * PL_AMG_names[NofAMmeth]; 3643 #endif /* def INITAMAGIC */ 3644 3645 END_EXTERN_C 3646 3647 struct am_table { 3648 U32 was_ok_sub; 3649 long was_ok_am; 3650 U32 flags; 3651 CV* table[NofAMmeth]; 3652 long fallback; 3653 }; 3654 struct am_table_short { 3655 U32 was_ok_sub; 3656 long was_ok_am; 3657 U32 flags; 3658 }; 3659 typedef struct am_table AMT; 3660 typedef struct am_table_short AMTS; 3661 3662 #define AMGfallNEVER 1 3663 #define AMGfallNO 2 3664 #define AMGfallYES 3 3665 3666 #define AMTf_AMAGIC 1 3667 #define AMTf_OVERLOADED 2 3668 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC) 3669 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC) 3670 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC) 3671 #define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED) 3672 #define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED) 3673 #define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED) 3674 3675 #define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg)) 3676 3677 /* 3678 * some compilers like to redefine cos et alia as faster 3679 * (and less accurate?) versions called F_cos et cetera (Quidquid 3680 * latine dictum sit, altum viditur.) This trick collides with 3681 * the Perl overloading (amg). The following #defines fool both. 3682 */ 3683 3684 #ifdef _FASTMATH 3685 # ifdef atan2 3686 # define F_atan2_amg atan2_amg 3687 # endif 3688 # ifdef cos 3689 # define F_cos_amg cos_amg 3690 # endif 3691 # ifdef exp 3692 # define F_exp_amg exp_amg 3693 # endif 3694 # ifdef log 3695 # define F_log_amg log_amg 3696 # endif 3697 # ifdef pow 3698 # define F_pow_amg pow_amg 3699 # endif 3700 # ifdef sin 3701 # define F_sin_amg sin_amg 3702 # endif 3703 # ifdef sqrt 3704 # define F_sqrt_amg sqrt_amg 3705 # endif 3706 #endif /* _FASTMATH */ 3707 3708 #define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \ 3709 PERLDBf_NOOPT | PERLDBf_INTER | \ 3710 PERLDBf_SUBLINE| PERLDBf_SINGLE| \ 3711 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON) 3712 /* No _NONAME, _GOTO */ 3713 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit */ 3714 #define PERLDBf_LINE 0x02 /* Keep line # */ 3715 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations */ 3716 #define PERLDBf_INTER 0x08 /* Preserve more data for 3717 later inspections */ 3718 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */ 3719 #define PERLDBf_SINGLE 0x20 /* Start with single-step on */ 3720 #define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */ 3721 #define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */ 3722 #define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */ 3723 #define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */ 3724 3725 #define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB)) 3726 #define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE)) 3727 #define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT)) 3728 #define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER)) 3729 #define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE)) 3730 #define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE)) 3731 #define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME))) 3732 #define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO)) 3733 #define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL)) 3734 #define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON)) 3735 3736 3737 #ifdef USE_LOCALE_NUMERIC 3738 3739 #define SET_NUMERIC_STANDARD() \ 3740 set_numeric_standard(); 3741 3742 #define SET_NUMERIC_LOCAL() \ 3743 set_numeric_local(); 3744 3745 #define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE) 3746 #define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE) 3747 3748 #define IN_LOCALE \ 3749 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME) 3750 3751 #define STORE_NUMERIC_LOCAL_SET_STANDARD() \ 3752 bool was_local = PL_numeric_local && IN_LOCALE; \ 3753 if (was_local) SET_NUMERIC_STANDARD(); 3754 3755 #define STORE_NUMERIC_STANDARD_SET_LOCAL() \ 3756 bool was_standard = PL_numeric_standard && IN_LOCALE; \ 3757 if (was_standard) SET_NUMERIC_LOCAL(); 3758 3759 #define RESTORE_NUMERIC_LOCAL() \ 3760 if (was_local) SET_NUMERIC_LOCAL(); 3761 3762 #define RESTORE_NUMERIC_STANDARD() \ 3763 if (was_standard) SET_NUMERIC_STANDARD(); 3764 3765 #define Atof my_atof 3766 3767 #else /* !USE_LOCALE_NUMERIC */ 3768 3769 #define SET_NUMERIC_STANDARD() /**/ 3770 #define SET_NUMERIC_LOCAL() /**/ 3771 #define IS_NUMERIC_RADIX(a, b) (0) 3772 #define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/ 3773 #define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/ 3774 #define RESTORE_NUMERIC_LOCAL() /**/ 3775 #define RESTORE_NUMERIC_STANDARD() /**/ 3776 #define Atof my_atof 3777 #define IN_LOCALE_RUNTIME 0 3778 3779 #endif /* !USE_LOCALE_NUMERIC */ 3780 3781 #if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG 3782 # ifdef __hpux 3783 # define strtoll __strtoll /* secret handshake */ 3784 # endif 3785 # ifdef WIN64 3786 # define strtoll _strtoi64 /* secret handshake */ 3787 # endif 3788 # if !defined(Strtol) && defined(HAS_STRTOLL) 3789 # define Strtol strtoll 3790 # endif 3791 # if !defined(Strtol) && defined(HAS_STRTOQ) 3792 # define Strtol strtoq 3793 # endif 3794 /* is there atoq() anywhere? */ 3795 #endif 3796 #if !defined(Strtol) && defined(HAS_STRTOL) 3797 # define Strtol strtol 3798 #endif 3799 #ifndef Atol 3800 /* It would be more fashionable to use Strtol() to define atol() 3801 * (as is done for Atoul(), see below) but for backward compatibility 3802 * we just assume atol(). */ 3803 # if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL) 3804 # ifdef WIN64 3805 # define atoll _atoi64 /* secret handshake */ 3806 # endif 3807 # define Atol atoll 3808 # else 3809 # define Atol atol 3810 # endif 3811 #endif 3812 3813 #if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG 3814 # ifdef __hpux 3815 # define strtoull __strtoull /* secret handshake */ 3816 # endif 3817 # ifdef WIN64 3818 # define strtoull _strtoui64 /* secret handshake */ 3819 # endif 3820 # if !defined(Strtoul) && defined(HAS_STRTOULL) 3821 # define Strtoul strtoull 3822 # endif 3823 # if !defined(Strtoul) && defined(HAS_STRTOUQ) 3824 # define Strtoul strtouq 3825 # endif 3826 /* is there atouq() anywhere? */ 3827 #endif 3828 #if !defined(Strtoul) && defined(HAS_STRTOUL) 3829 # define Strtoul strtoul 3830 #endif 3831 #ifndef Atoul 3832 # define Atoul(s) Strtoul(s, (char **)NULL, 10) 3833 #endif 3834 3835 #if !defined(PERLIO_IS_STDIO) 3836 /* 3837 * Remap printf 3838 */ 3839 #undef printf 3840 #ifdef __GNUC__ 3841 #define printf(fmt,args...) PerlIO_stdoutf(fmt,##args) 3842 #else 3843 #define printf PerlIO_stdoutf 3844 #endif 3845 #endif 3846 3847 /* if these never got defined, they need defaults */ 3848 #ifndef PERL_SET_CONTEXT 3849 # define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i) 3850 #endif 3851 3852 #ifndef PERL_GET_CONTEXT 3853 # define PERL_GET_CONTEXT PERL_GET_INTERP 3854 #endif 3855 3856 #ifndef PERL_GET_THX 3857 # define PERL_GET_THX ((void*)NULL) 3858 #endif 3859 3860 #ifndef PERL_SET_THX 3861 # define PERL_SET_THX(t) NOOP 3862 #endif 3863 3864 #ifndef PERL_SCRIPT_MODE 3865 #define PERL_SCRIPT_MODE "r" 3866 #endif 3867 3868 /* 3869 * Some operating systems are stingy with stack allocation, 3870 * so perl may have to guard against stack overflow. 3871 */ 3872 #ifndef PERL_STACK_OVERFLOW_CHECK 3873 #define PERL_STACK_OVERFLOW_CHECK() NOOP 3874 #endif 3875 3876 /* 3877 * Some nonpreemptive operating systems find it convenient to 3878 * check for asynchronous conditions after each op execution. 3879 * Keep this check simple, or it may slow down execution 3880 * massively. 3881 */ 3882 3883 #ifndef PERL_MICRO 3884 # ifndef PERL_OLD_SIGNALS 3885 # ifndef PERL_ASYNC_CHECK 3886 # define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals() 3887 # endif 3888 # endif 3889 #endif 3890 3891 #ifndef PERL_ASYNC_CHECK 3892 # define PERL_ASYNC_CHECK() NOOP 3893 #endif 3894 3895 /* 3896 * On some operating systems, a memory allocation may succeed, 3897 * but put the process too close to the system's comfort limit. 3898 * In this case, PERL_ALLOC_CHECK frees the pointer and sets 3899 * it to NULL. 3900 */ 3901 #ifndef PERL_ALLOC_CHECK 3902 #define PERL_ALLOC_CHECK(p) NOOP 3903 #endif 3904 3905 /* 3906 * nice_chunk and nice_chunk size need to be set 3907 * and queried under the protection of sv_mutex 3908 */ 3909 #define offer_nice_chunk(chunk, chunk_size) STMT_START { \ 3910 void *new_chunk; \ 3911 U32 new_chunk_size; \ 3912 LOCK_SV_MUTEX; \ 3913 new_chunk = (void *)(chunk); \ 3914 new_chunk_size = (chunk_size); \ 3915 if (new_chunk_size > PL_nice_chunk_size) { \ 3916 if (PL_nice_chunk) Safefree(PL_nice_chunk); \ 3917 PL_nice_chunk = new_chunk; \ 3918 PL_nice_chunk_size = new_chunk_size; \ 3919 } else { \ 3920 Safefree(chunk); \ 3921 } \ 3922 UNLOCK_SV_MUTEX; \ 3923 } STMT_END 3924 3925 #ifdef HAS_SEM 3926 # include <sys/ipc.h> 3927 # include <sys/sem.h> 3928 # ifndef HAS_UNION_SEMUN /* Provide the union semun. */ 3929 union semun { 3930 int val; 3931 struct semid_ds *buf; 3932 unsigned short *array; 3933 }; 3934 # endif 3935 # ifdef USE_SEMCTL_SEMUN 3936 # ifdef IRIX32_SEMUN_BROKEN_BY_GCC 3937 union gccbug_semun { 3938 int val; 3939 struct semid_ds *buf; 3940 unsigned short *array; 3941 char __dummy[5]; 3942 }; 3943 # define semun gccbug_semun 3944 # endif 3945 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun) 3946 # else 3947 # ifdef USE_SEMCTL_SEMID_DS 3948 # ifdef EXTRA_F_IN_SEMUN_BUF 3949 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff) 3950 # else 3951 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf) 3952 # endif 3953 # endif 3954 # endif 3955 #endif 3956 3957 /* 3958 * Boilerplate macros for initializing and accessing interpreter-local 3959 * data from C. All statics in extensions should be reworked to use 3960 * this, if you want to make the extension thread-safe. See ext/re/re.xs 3961 * for an example of the use of these macros, and perlxs.pod for more. 3962 * 3963 * Code that uses these macros is responsible for the following: 3964 * 1. #define MY_CXT_KEY to a unique string, e.g. 3965 * "DynaLoader::_guts" XS_VERSION 3966 * 2. Declare a typedef named my_cxt_t that is a structure that contains 3967 * all the data that needs to be interpreter-local. 3968 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t. 3969 * 4. Use the MY_CXT_INIT macro such that it is called exactly once 3970 * (typically put in the BOOT: section). 3971 * 5. Use the members of the my_cxt_t structure everywhere as 3972 * MY_CXT.member. 3973 * 6. Use the dMY_CXT macro (a declaration) in all the functions that 3974 * access MY_CXT. 3975 */ 3976 3977 #if defined(PERL_IMPLICIT_CONTEXT) 3978 3979 /* This must appear in all extensions that define a my_cxt_t structure, 3980 * right after the definition (i.e. at file scope). The non-threads 3981 * case below uses it to declare the data as static. */ 3982 #define START_MY_CXT 3983 3984 /* Fetches the SV that keeps the per-interpreter data. */ 3985 #define dMY_CXT_SV \ 3986 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \ 3987 sizeof(MY_CXT_KEY)-1, TRUE) 3988 3989 /* This declaration should be used within all functions that use the 3990 * interpreter-local data. */ 3991 #define dMY_CXT \ 3992 dMY_CXT_SV; \ 3993 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv)) 3994 3995 /* Creates and zeroes the per-interpreter data. 3996 * (We allocate my_cxtp in a Perl SV so that it will be released when 3997 * the interpreter goes away.) */ 3998 #define MY_CXT_INIT \ 3999 dMY_CXT_SV; \ 4000 /* newSV() allocates one more than needed */ \ 4001 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\ 4002 Zero(my_cxtp, 1, my_cxt_t); \ 4003 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp)) 4004 4005 /* This macro must be used to access members of the my_cxt_t structure. 4006 * e.g. MYCXT.some_data */ 4007 #define MY_CXT (*my_cxtp) 4008 4009 /* Judicious use of these macros can reduce the number of times dMY_CXT 4010 * is used. Use is similar to pTHX, aTHX etc. */ 4011 #define pMY_CXT my_cxt_t *my_cxtp 4012 #define pMY_CXT_ pMY_CXT, 4013 #define _pMY_CXT ,pMY_CXT 4014 #define aMY_CXT my_cxtp 4015 #define aMY_CXT_ aMY_CXT, 4016 #define _aMY_CXT ,aMY_CXT 4017 4018 #else /* USE_ITHREADS */ 4019 4020 #define START_MY_CXT static my_cxt_t my_cxt; 4021 #define dMY_CXT_SV dNOOP 4022 #define dMY_CXT dNOOP 4023 #define MY_CXT_INIT NOOP 4024 #define MY_CXT my_cxt 4025 4026 #define pMY_CXT void 4027 #define pMY_CXT_ 4028 #define _pMY_CXT 4029 #define aMY_CXT 4030 #define aMY_CXT_ 4031 #define _aMY_CXT 4032 4033 #endif /* !defined(USE_ITHREADS) */ 4034 4035 #ifdef I_FCNTL 4036 # include <fcntl.h> 4037 #endif 4038 4039 #ifdef I_SYS_FILE 4040 # include <sys/file.h> 4041 #endif 4042 4043 #if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO) 4044 int flock(int fd, int op); 4045 #endif 4046 4047 #ifndef O_RDONLY 4048 /* Assume UNIX defaults */ 4049 # define O_RDONLY 0000 4050 # define O_WRONLY 0001 4051 # define O_RDWR 0002 4052 # define O_CREAT 0100 4053 #endif 4054 4055 #ifndef O_BINARY 4056 # define O_BINARY 0 4057 #endif 4058 4059 #ifndef O_TEXT 4060 # define O_TEXT 0 4061 #endif 4062 4063 #if O_TEXT != O_BINARY 4064 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop, 4065 * that is, you are somehow DOSish. */ 4066 # if defined(__BEOS__) || defined(__VOS__) 4067 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect; 4068 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */ 4069 /* VOS has O_TEXT != O_BINARY, and they have effect, 4070 * but VOS always uses LF, never CRLF. */ 4071 /* If you have O_TEXT different from your O_BINARY but you still are 4072 * not a CRLF shop. */ 4073 # undef PERLIO_USING_CRLF 4074 # else 4075 /* If you really are DOSish. */ 4076 # define PERLIO_USING_CRLF 1 4077 # endif 4078 #endif 4079 4080 #ifdef IAMSUID 4081 4082 #ifdef I_SYS_STATVFS 4083 # if defined(PERL_SCO) && !defined(_SVID3) 4084 # define _SVID3 4085 # endif 4086 # include <sys/statvfs.h> /* for f?statvfs() */ 4087 #endif 4088 #ifdef I_SYS_MOUNT 4089 # include <sys/mount.h> /* for *BSD f?statfs() */ 4090 #endif 4091 #ifdef I_MNTENT 4092 # include <mntent.h> /* for getmntent() */ 4093 #endif 4094 #ifdef I_SYS_STATFS 4095 # include <sys/statfs.h> /* for some statfs() */ 4096 #endif 4097 #ifdef I_SYS_VFS 4098 # ifdef __sgi 4099 # define sv IRIX_sv /* kludge: IRIX has an sv of its own */ 4100 # endif 4101 # include <sys/vfs.h> /* for some statfs() */ 4102 # ifdef __sgi 4103 # undef IRIX_sv 4104 # endif 4105 #endif 4106 #ifdef I_USTAT 4107 # include <ustat.h> /* for ustat() */ 4108 #endif 4109 4110 #if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID) 4111 # define PERL_MOUNT_NOSUID MOUNT_NOSUID 4112 #endif 4113 #if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID) 4114 # define PERL_MOUNT_NOSUID MNT_NOSUID 4115 #endif 4116 #if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID) 4117 # define PERL_MOUNT_NOSUID MS_NOSUID 4118 #endif 4119 #if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID) 4120 # define PERL_MOUNT_NOSUID M_NOSUID 4121 #endif 4122 4123 #endif /* IAMSUID */ 4124 4125 #ifdef I_LIBUTIL 4126 # include <libutil.h> /* setproctitle() in some FreeBSDs */ 4127 #endif 4128 4129 #ifndef EXEC_ARGV_CAST 4130 #define EXEC_ARGV_CAST(x) x 4131 #endif 4132 4133 #define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not 4134 int). value returned in pointed- 4135 to UV */ 4136 #define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */ 4137 #define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */ 4138 #define IS_NUMBER_NEG 0x08 /* leading minus sign */ 4139 #define IS_NUMBER_INFINITY 0x10 /* this is big */ 4140 #define IS_NUMBER_NAN 0x20 /* this is not */ 4141 4142 #define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send) 4143 4144 /* Input flags: */ 4145 #define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */ 4146 #define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */ 4147 /* Output flags: */ 4148 #define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */ 4149 4150 /* to let user control profiling */ 4151 #ifdef PERL_GPROF_CONTROL 4152 extern void moncontrol(int); 4153 #define PERL_GPROF_MONCONTROL(x) moncontrol(x) 4154 #else 4155 #define PERL_GPROF_MONCONTROL(x) 4156 #endif 4157 4158 #ifdef UNDER_CE 4159 #include "wince.h" 4160 #endif 4161 4162 /* ISO 6429 NEL - C1 control NExt Line */ 4163 /* See http://www.unicode.org/unicode/reports/tr13/ */ 4164 #ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */ 4165 # if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */ 4166 # define NEXT_LINE_CHAR 0x15 4167 # else /* CDRA */ 4168 # define NEXT_LINE_CHAR 0x25 4169 # endif 4170 #else 4171 # define NEXT_LINE_CHAR 0x85 4172 #endif 4173 4174 /* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */ 4175 #define UNICODE_LINE_SEPA_0 0xE2 4176 #define UNICODE_LINE_SEPA_1 0x80 4177 #define UNICODE_LINE_SEPA_2 0xA8 4178 #define UNICODE_PARA_SEPA_0 0xE2 4179 #define UNICODE_PARA_SEPA_1 0x80 4180 #define UNICODE_PARA_SEPA_2 0xA9 4181 4182 /* and finally... */ 4183 #define PERL_PATCHLEVEL_H_IMPLICIT 4184 #include "patchlevel.h" 4185 #undef PERL_PATCHLEVEL_H_IMPLICIT 4186 4187 /* Mention 4188 4189 NV_PRESERVES_UV 4190 4191 HAS_MKSTEMP 4192 HAS_MKSTEMPS 4193 HAS_MKDTEMP 4194 4195 HAS_GETCWD 4196 4197 HAS_MMAP 4198 HAS_MPROTECT 4199 HAS_MSYNC 4200 HAS_MADVISE 4201 HAS_MUNMAP 4202 I_SYSMMAN 4203 Mmap_t 4204 4205 NVef 4206 NVff 4207 NVgf 4208 4209 HAS_USLEEP 4210 HAS_UALARM 4211 4212 HAS_SETITIMER 4213 HAS_GETITIMER 4214 4215 HAS_SENDMSG 4216 HAS_RECVMSG 4217 HAS_READV 4218 HAS_WRITEV 4219 I_SYSUIO 4220 HAS_STRUCT_MSGHDR 4221 HAS_STRUCT_CMSGHDR 4222 4223 HAS_NL_LANGINFO 4224 4225 HAS_DIRFD 4226 4227 so that Configure picks them up. */ 4228 4229 #endif /* Include guard */ 4230 4231