3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
16 * This file is being used for x2p stuff.
17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
18 * Decouple x2p stuff from some of perls more extreme eccentricities.
23 #endif /* PERL_FOR_X2P */
31 /* NOTE 1: that with gcc -std=c89 the __STDC_VERSION__ is *not* defined
32 * because the __STDC_VERSION__ became a thing only with C90. Therefore,
33 * with gcc, HAS_C99 will never become true as long as we use -std=c89.
35 * NOTE 2: headers lie. Do not expect that if HAS_C99 gets to be true,
36 * all the C99 features are there and are correct. */
37 #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
42 /* See L<perlguts/"The Perl API"> for detailed notes on
43 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
45 /* Note that from here --> to <-- the same logic is
46 * repeated in makedef.pl, so be certain to update
47 * both places when editing. */
50 # if !defined(MULTIPLICITY)
55 #ifdef PERL_GLOBAL_STRUCT_PRIVATE
56 # ifndef PERL_GLOBAL_STRUCT
57 # define PERL_GLOBAL_STRUCT
61 #ifdef PERL_GLOBAL_STRUCT
68 # ifndef PERL_IMPLICIT_CONTEXT
69 # define PERL_IMPLICIT_CONTEXT
73 /* undef WIN32 when building on Cygwin (for libwin32) - gph */
79 #if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86 # include "symbian/symbian_proto.h"
89 /* Any stack-challenged places. The limit varies (and often
90 * is configurable), but using more than a kilobyte of stack
91 * is usually dubious in these systems. */
92 #if defined(__SYMBIAN32__)
93 /* Symbian: need to work around the SDK features. *
94 * On WINS: MS VC5 generates calls to _chkstk, *
95 * if a "large" stack frame is allocated. *
96 * gcc on MARM does not generate calls like these. */
97 # define USE_HEAP_INSTEAD_OF_STACK
100 /* Use the reentrant APIs like localtime_r and getpwent_r */
101 /* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
102 #if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
103 # define USE_REENTRANT_API
106 /* <--- here ends the logic shared by perl.h and makedef.pl */
108 /* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
109 #if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
113 #undef START_EXTERN_C
117 # define START_EXTERN_C extern "C" {
118 # define END_EXTERN_C }
119 # define EXTERN_C extern "C"
121 # define START_EXTERN_C
122 # define END_EXTERN_C
123 # define EXTERN_C extern
126 /* Fallback definitions in case we don't have definitions from config.h.
127 This should only matter for systems that don't use Configure and
128 haven't been modified to define PERL_STATIC_INLINE yet.
130 #if !defined(PERL_STATIC_INLINE)
131 # ifdef HAS_STATIC_INLINE
132 # define PERL_STATIC_INLINE static inline
134 # define PERL_STATIC_INLINE static
138 #ifdef PERL_GLOBAL_STRUCT
139 # ifndef PERL_GET_VARS
140 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
141 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
142 # define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
144 # define PERL_GET_VARS() PL_VarsPtr
149 /* this used to be off by default, now its on, see perlio.h */
150 #define PERLIO_FUNCS_CONST
152 #define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
154 #ifdef PERL_GLOBAL_STRUCT
155 # define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
160 #ifdef PERL_IMPLICIT_CONTEXT
161 # ifndef MULTIPLICITY
162 # define MULTIPLICITY
164 # define tTHX PerlInterpreter*
165 # define pTHX tTHX my_perl PERL_UNUSED_DECL
166 # define aTHX my_perl
167 # define aTHXa(a) aTHX = (tTHX)a
168 # ifdef PERL_GLOBAL_STRUCT
169 # define dTHXa(a) dVAR; pTHX = (tTHX)a
171 # define dTHXa(a) pTHX = (tTHX)a
173 # ifdef PERL_GLOBAL_STRUCT
174 # define dTHX dVAR; pTHX = PERL_GET_THX
176 # define dTHX pTHX = PERL_GET_THX
190 # if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
191 # define PERL_TRACK_MEMPOOL
194 # undef PERL_TRACK_MEMPOOL
197 #define STATIC static
200 /* Do not use these macros. They were part of PERL_OBJECT, which was an
201 * implementation of multiplicity using C++ objects. They have been left
202 * here solely for the sake of XS code which has incorrectly
205 #define CPERLscope(x) x
206 #define CPERLarg void
209 #define PERL_OBJECT_THIS
210 #define _PERL_OBJECT_THIS
211 #define PERL_OBJECT_THIS_
212 #define CALL_FPTR(fptr) (*fptr)
213 #define MEMBER_TO_FPTR(name) name
214 #endif /* !PERL_CORE */
216 #define CALLRUNOPS PL_runops
218 #define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
220 #define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
221 #define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
222 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
223 (strbeg),(minend),(sv),(data),(flags))
224 #define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
225 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
226 (strend),(flags),(data))
227 #define CALLREG_INTUIT_STRING(prog) \
228 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
230 #define CALLREGFREE(prog) \
231 Perl_pregfree(aTHX_ (prog))
233 #define CALLREGFREE_PVT(prog) \
234 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
236 #define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
237 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
239 #define CALLREG_NUMBUF_STORE(rx,paren,value) \
240 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
242 #define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
243 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
245 #define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
246 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
248 #define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
249 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
251 #define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
252 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
254 #define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
255 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
257 #define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
258 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
260 #define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
261 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
263 #define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
264 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
266 #define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
267 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
269 #define CALLREG_NAMED_BUFF_COUNT(rx) \
270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
272 #define CALLREG_NAMED_BUFF_ALL(rx, flags) \
273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
275 #define CALLREG_PACKAGE(rx) \
276 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
278 #if defined(USE_ITHREADS)
279 #define CALLREGDUPE(prog,param) \
280 Perl_re_dup(aTHX_ (prog),(param))
282 #define CALLREGDUPE_PVT(prog,param) \
283 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
292 * Because of backward compatibility reasons the PERL_UNUSED_DECL
293 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
295 * Note that there are C compilers such as MetroWerks CodeWarrior
296 * which do not have an "inlined" way (like the gcc __attribute__) of
297 * marking unused variables (they need e.g. a #pragma) and therefore
298 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
299 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
303 #if defined(__SYMBIAN32__) && defined(__GNUC__)
305 # define PERL_UNUSED_DECL
307 # define PERL_UNUSED_DECL __attribute__((unused))
311 #ifndef PERL_UNUSED_DECL
312 # if defined(HASATTRIBUTE_UNUSED) && (!defined(__cplusplus) || (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))
313 # define PERL_UNUSED_DECL __attribute__unused__
315 # define PERL_UNUSED_DECL
320 * for silencing unused variables that are actually used most of the time,
321 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs,
322 * or variables/arguments that are used only in certain configurations.
324 #ifndef PERL_UNUSED_ARG
325 # if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
327 # define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
329 # define PERL_UNUSED_ARG(x) ((void)sizeof(x))
332 #ifndef PERL_UNUSED_VAR
333 # define PERL_UNUSED_VAR(x) ((void)sizeof(x))
336 #if defined(USE_ITHREADS) || defined(PERL_GLOBAL_STRUCT)
337 # define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
339 # define PERL_UNUSED_CONTEXT
342 /* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
343 * g++ allows them but seems to have problems with them
344 * (insane errors ensue).
345 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
347 #if defined(PERL_GCC_PEDANTIC) || \
348 (defined(__GNUC__) && defined(__cplusplus) && \
349 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
350 # ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
351 # define PERL_GCC_BRACE_GROUPS_FORBIDDEN
355 /* Use PERL_UNUSED_RESULT() to suppress the warnings about unused results
356 * of function calls, e.g. PERL_UNUSED_RESULT(foo(a, b)).
358 * The main reason for this is that the combination of gcc -Wunused-result
359 * (part of -Wall) and the __attribute__((warn_unused_result)) cannot
360 * be silenced with casting to void. This causes trouble when the system
361 * header files use the attribute.
363 * Use PERL_UNUSED_RESULT sparingly, though, since usually the warning
364 * is there for a good reason: you might lose success/failure information,
365 * or leak resources, or changes in resources.
367 * But sometimes you just want to ignore the return value, e.g. on
368 * codepaths soon ending up in abort, or in "best effort" attempts,
369 * or in situations where there is no good way to handle failures.
371 * Sometimes PERL_UNUSED_RESULT might not be the most natural way:
372 * another possibility is that you can capture the return value
373 * and use PERL_UNUSED_VAR on that.
375 * The __typeof__() is used instead of typeof() since typeof() is not
376 * available under strict C89, and because of compilers masquerading
377 * as gcc (clang and icc), we want exactly the gcc extension
378 * __typeof__ and nothing else.
380 #ifndef PERL_UNUSED_RESULT
381 # if defined(__GNUC__) && defined(HASATTRIBUTE_WARN_UNUSED_RESULT)
382 # define PERL_UNUSED_RESULT(v) STMT_START { __typeof__(v) z = (v); (void)sizeof(z); } STMT_END
384 # define PERL_UNUSED_RESULT(v) ((void)(v))
388 /* on gcc (and clang), specify that a warning should be temporarily
391 * GCC_DIAG_IGNORE(-Wmultichar);
395 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
397 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
398 * clang only pretends to be GCC 4.2, but still supports push/pop.
400 * Note on usage: on non-gcc (or lookalike, like clang) compilers
401 * one cannot use these at file (global) level without warnings
402 * since they are defined as empty, which leads into the terminating
403 * semicolon being left alone on a line:
405 * which makes compilers mildly cranky. Therefore at file level one
406 * should use the GCC_DIAG_IGNORE and GCC_DIAG_RESTORE_FILE *without*
409 * (A dead-on-arrival solution would be to try to define the macros as
410 * NOOP or dNOOP, those don't work both inside functions and outside.)
413 #if defined(__clang__) || defined(__clang) || \
414 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
415 # define GCC_DIAG_PRAGMA(x) _Pragma (#x)
416 /* clang has "clang diagnostic" pragmas, but also understands gcc. */
417 # define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
418 GCC_DIAG_PRAGMA(GCC diagnostic ignored #x)
419 # define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
421 # define GCC_DIAG_IGNORE(w)
422 # define GCC_DIAG_RESTORE
425 #define NOOP /*EMPTY*/(void)0
426 /* cea2e8a9dd23747f accidentally lost the comment originally from the first
427 check in of thread.h, explaining why we need dNOOP at all: */
428 /* Rats: if dTHR is just blank then the subsequent ";" throws an error */
429 /* Declaring a *function*, instead of a variable, ensures that we don't rely
430 on being able to suppress "unused" warnings. */
432 #define dNOOP (void)0
434 #define dNOOP extern int Perl___notused(void)
438 /* Don't bother defining tTHX ; using it outside
439 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
445 # define aTHXa(a) NOOP
446 # define dTHXa(a) dNOOP
464 /* these are only defined for compatibility; should not be used internally */
465 #if !defined(pTHXo) && !defined(PERL_CORE)
467 # define pTHXo_ pTHX_
469 # define aTHXo_ aTHX_
471 # define dTHXoa(x) dTHXa(x)
475 # define pTHXx PerlInterpreter *my_perl
476 # define pTHXx_ pTHXx,
477 # define aTHXx my_perl
478 # define aTHXx_ aTHXx,
482 /* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
483 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
484 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
485 #ifdef PERL_IMPLICIT_SYS
486 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
487 # define dTHXs dVAR; dTHX
492 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
499 /* Some platforms require marking function declarations
500 * for them to be exportable. Used in perlio.h, proto.h
501 * is handled either by the makedef.pl or by defining the
502 * PERL_CALLCONV to be something special. See also the
503 * definition of XS() in XSUB.h. */
504 #ifndef PERL_EXPORT_C
506 # define PERL_EXPORT_C extern "C"
508 # define PERL_EXPORT_C extern
511 #ifndef PERL_XS_EXPORT_C
513 # define PERL_XS_EXPORT_C extern "C"
515 # define PERL_XS_EXPORT_C
519 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
520 # ifndef PERL_USE_GCC_BRACE_GROUPS
521 # define PERL_USE_GCC_BRACE_GROUPS
526 * STMT_START { statements; } STMT_END;
527 * can be used as a single statement, as in
528 * if (x) STMT_START { ... } STMT_END; else ...
530 * Trying to select a version that gives no warnings...
532 #if !(defined(STMT_START) && defined(STMT_END))
533 # ifdef PERL_USE_GCC_BRACE_GROUPS
534 # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
537 # define STMT_START do
538 # define STMT_END while (0)
542 #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
543 # define BYTEORDER 0x1234
546 /* Overall memory policy? */
551 #if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
558 * The following contortions are brought to you on behalf of all the
559 * standards, semi-standards, de facto standards, not-so-de-facto standards
560 * of the world, as well as all the other botches anyone ever thought of.
561 * The basic theory is that if we work hard enough here, the rest of the
562 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
565 /* define this once if either system, instead of cluttering up the src */
566 #if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
570 #if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
571 # define STANDARD_C 1
574 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
575 # define DONT_DECLARE_STD 1
578 #if defined(HASVOLATILE) || defined(STANDARD_C)
579 # define VOL volatile
584 /* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
585 * you get a perl without taint support, but doubtlessly with a lesser
586 * degree of support. Do not do so unless you know exactly what it means
587 * technically, have a good reason to do so, and know exactly how the
588 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
589 * a potential security risk due to flat out ignoring the security-relevant
590 * taint flags. This being said, a perl without taint support compiled in
591 * has marginal run-time performance benefits.
592 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
593 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
594 * silently ignores -t/-T instead of throwing an exception.
596 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
597 * voids your nonexistent warranty!
599 #if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
600 # define NO_TAINT_SUPPORT 1
603 /* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
604 * operations into no-ops for a very modest speed-up. Enable only if you
605 * know what you're doing: tests and CPAN modules' tests are bound to fail.
607 #ifdef NO_TAINT_SUPPORT
609 # define TAINT_NOT NOOP
610 # define TAINT_IF(c) NOOP
611 # define TAINT_ENV() NOOP
612 # define TAINT_PROPER(s) NOOP
613 # define TAINT_set(s) NOOP
615 # define TAINTING_get 0
616 # define TAINTING_set(s) NOOP
617 # define TAINT_WARN_get 0
618 # define TAINT_WARN_set(s) NOOP
620 # define TAINT (PL_tainted = TRUE)
621 # define TAINT_NOT (PL_tainted = FALSE)
622 # define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
623 # define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
624 # define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
625 # define TAINT_set(s) (PL_tainted = (s))
626 # define TAINT_get (PL_tainted)
627 # define TAINTING_get (PL_tainting)
628 # define TAINTING_set(s) (PL_tainting = (s))
629 # define TAINT_WARN_get (PL_taint_warn)
630 # define TAINT_WARN_set(s) (PL_taint_warn = (s))
633 /* flags used internally only within pp_subst and pp_substcont */
635 # define SUBST_TAINT_STR 1 /* string tainted */
636 # define SUBST_TAINT_PAT 2 /* pattern tainted */
637 # define SUBST_TAINT_REPL 4 /* replacement tainted */
638 # define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
639 # define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
642 /* XXX All process group stuff is handled in pp_sys.c. Should these
643 defines move there? If so, I could simplify this a lot. --AD 9/96.
645 /* Process group stuff changed from traditional BSD to POSIX.
646 perlfunc.pod documents the traditional BSD-style syntax, so we'll
647 try to preserve that, if possible.
650 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
652 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
653 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
655 # ifdef HAS_SETPGRP2 /* DG/UX */
656 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
660 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
661 # define HAS_SETPGRP /* Well, effectively it does . . . */
664 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
665 our life easier :-) so we'll try it.
668 # define BSD_GETPGRP(pid) getpgid((pid))
670 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
671 # define BSD_GETPGRP(pid) getpgrp((pid))
673 # ifdef HAS_GETPGRP2 /* DG/UX */
674 # define BSD_GETPGRP(pid) getpgrp2((pid))
678 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
679 # define HAS_GETPGRP /* Well, effectively it does . . . */
682 /* These are not exact synonyms, since setpgrp() and getpgrp() may
683 have different behaviors, but perl.h used to define USE_BSDPGRP
684 (prior to 5.003_05) so some extension might depend on it.
686 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
692 /* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
693 pthread.h must be included before all other header files.
695 #if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
696 # include <pthread.h>
699 #include <sys/types.h>
707 /* EVC 4 SDK headers includes a bad definition of MB_CUR_MAX in stdlib.h
708 which is included from stdarg.h. Bad definition not present in SD 2008
709 SDK headers. wince.h is not yet included, so we cant fix this from there
710 since by then MB_CUR_MAX will be defined from stdlib.h.
711 cewchar.h includes a correct definition of MB_CUR_MAX and it is copied here
712 since cewchar.h can't be included this early */
713 #if defined(UNDER_CE) && (_MSC_VER < 1300)
714 # define MB_CUR_MAX 1
720 # include <varargs.h>
730 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
742 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
744 # define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
746 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
747 && defined(HAS_STRXFRM)
748 # define USE_LOCALE_COLLATE
750 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
751 # define USE_LOCALE_CTYPE
753 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
754 # define USE_LOCALE_NUMERIC
756 # if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
757 # define USE_LOCALE_MESSAGES
759 # if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
760 # define USE_LOCALE_MONETARY
762 # if !defined(NO_LOCALE_TIME) && defined(LC_TIME)
763 # define USE_LOCALE_TIME
765 # ifndef WIN32 /* No wrapper except on Windows */
766 # define my_setlocale(a,b) setlocale(a,b)
768 #endif /* !NO_LOCALE && HAS_SETLOCALE */
770 /* Is $^ENCODING set, or are we under the encoding pragma? */
771 #define IN_ENCODING UNLIKELY(PL_encoding \
772 || (PL_lex_encoding && _get_encoding() != NULL))
777 # ifdef PARAM_NEEDS_TYPES
778 # include <sys/types.h>
780 # include <sys/param.h>
783 /* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
784 value something like 199306. This may be useful if no more-specific
785 feature test is available.
793 /* Use all the "standard" definitions? */
794 #if defined(STANDARD_C) && defined(I_STDLIB)
798 /* If this causes problems, set i_unistd=undef in the hint file. */
805 # include <sys/wait.h>
809 # undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
812 #if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
813 EXTERN_C int syscall(int, ...);
816 #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
817 EXTERN_C int usleep(unsigned int);
822 /* macros for correct constant construction */
824 # define U16_CONST(x) ((U16)x##U)
826 # define U16_CONST(x) ((U16)x##UL)
830 # define U32_CONST(x) ((U32)x##U)
832 # define U32_CONST(x) ((U32)x##UL)
837 # define U64_CONST(x) ((U64)x##U)
839 # define U64_CONST(x) ((U64)x##UL)
840 # elif QUADKIND == QUAD_IS_LONG_LONG
841 # define U64_CONST(x) ((U64)x##ULL)
842 # elif QUADKIND == QUAD_IS___INT64
843 # define U64_CONST(x) ((U64)x##UI64)
844 # else /* best guess we can make */
845 # define U64_CONST(x) ((U64)x##UL)
849 /* byte-swapping functions for big-/little-endian conversion */
850 # define _swab_16_(x) ((U16)( \
851 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
852 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
854 # define _swab_32_(x) ((U32)( \
855 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
856 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
857 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
858 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
861 # define _swab_64_(x) ((U64)( \
862 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
863 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
864 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
865 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
866 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
867 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
868 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
869 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
872 /* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
873 at least on FreeBSD. YMMV, so experiment. */
874 #ifndef PERL_ARENA_SIZE
875 #define PERL_ARENA_SIZE 4080
878 /* Maximum level of recursion */
879 #ifndef PERL_SUB_DEPTH_WARN
880 #define PERL_SUB_DEPTH_WARN 100
883 #endif /* PERL_CORE */
885 /* We no longer default to creating a new SV for GvSV.
886 Do this before embed. */
887 #ifndef PERL_CREATE_GVSV
888 # ifndef PERL_DONT_CREATE_GVSV
889 # define PERL_DONT_CREATE_GVSV
893 #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
894 #define PERL_USES_PL_PIDSTATUS
897 #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
898 #define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
901 #define MEM_SIZE Size_t
903 /* Round all values passed to malloc up, by default to a multiple of
906 #ifndef PERL_STRLEN_ROUNDUP_QUANTUM
907 #define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
910 /* sv_grow() will expand strings by at least a certain percentage of
911 the previously *used* length to avoid excessive calls to realloc().
912 The default is 25% of the current length.
914 #ifndef PERL_STRLEN_EXPAND_SHIFT
915 # define PERL_STRLEN_EXPAND_SHIFT 2
918 #if defined(STANDARD_C) && defined(I_STDDEF) && !defined(PERL_GCC_PEDANTIC)
920 # define STRUCT_OFFSET(s,m) offsetof(s,m)
922 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
925 /* ptrdiff_t is C11, so undef it under pedantic builds */
926 #ifdef PERL_GCC_PEDANTIC
927 # undef HAS_PTRDIFF_T
930 #ifndef __SYMBIAN32__
931 # if defined(I_STRING) || defined(__cplusplus)
934 # include <strings.h>
938 /* This comes after <stdlib.h> so we don't try to change the standard
939 * library prototypes; we'll use our own in proto.h instead. */
942 # ifdef PERL_POLLUTE_MALLOC
943 # ifndef PERL_EXTMALLOC_DEF
944 # define Perl_malloc malloc
945 # define Perl_calloc calloc
946 # define Perl_realloc realloc
947 # define Perl_mfree free
950 # define EMBEDMYMALLOC /* for compatibility */
953 # define safemalloc Perl_malloc
954 # define safecalloc Perl_calloc
955 # define saferealloc Perl_realloc
956 # define safefree Perl_mfree
957 # define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
958 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
961 # define CHECK_MALLOC_TOO_LATE_FOR(ch) \
962 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
963 # define panic_write2(s) write(2, s, strlen(s))
964 # define CHECK_MALLOC_TAINT(newval) \
965 CHECK_MALLOC_TOO_LATE_FOR_( \
967 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
969 # define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
970 if (doing_taint(argc,argv,env)) { \
971 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
974 # define safemalloc safesysmalloc
975 # define safecalloc safesyscalloc
976 # define saferealloc safesysrealloc
977 # define safefree safesysfree
978 # define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
979 # define CHECK_MALLOC_TAINT(newval) ((void)0)
980 # define MALLOC_CHECK_TAINT(argc,argv,env)
981 #endif /* MYMALLOC */
983 /* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
984 #define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
985 #define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
986 #define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
987 #define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
989 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
991 #define strrchr rindex
999 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
1001 extern char * memcpy (char*, char*, int);
1007 # define memcpy(d,s,l) bcopy(s,d,l)
1009 # define memcpy(d,s,l) my_bcopy(s,d,l)
1012 #endif /* HAS_MEMCPY */
1015 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
1017 extern char *memset (char*, int, int);
1022 # define memset(d,c,l) my_memset(d,c,l)
1023 #endif /* HAS_MEMSET */
1025 #if !defined(HAS_MEMMOVE) && !defined(memmove)
1026 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
1027 # define memmove(d,s,l) bcopy(s,d,l)
1029 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
1030 # define memmove(d,s,l) memcpy(d,s,l)
1032 # define memmove(d,s,l) my_bcopy(s,d,l)
1037 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
1041 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
1042 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
1044 extern int memcmp (char*, char*, int);
1049 # define memcmp my_memcmp
1051 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
1055 # define memzero(d,l) memset(d,0,l)
1058 # define memzero(d,l) bzero(d,l)
1060 # define memzero(d,l) my_bzero(d,l)
1068 # define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1075 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
1077 #endif /* !HAS_BCMP */
1080 # include <netinet/in.h>
1084 # include <arpa/inet.h>
1088 # include <sys/stat.h>
1091 /* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1092 This definition should ideally go into win32/win32.h, but S_IFIFO is
1093 used later here in perl.h before win32/win32.h is being included. */
1094 #if !defined(S_IFIFO) && defined(_S_IFIFO)
1095 # define S_IFIFO _S_IFIFO
1098 /* The stat macros for Unisoft System V/88 (and derivatives
1099 like UTekV) are broken, sometimes giving false positives. Undefine
1100 them here and let the code below set them to proper values.
1102 The ghs macro stands for GreenHills Software C-1.8.5 which
1103 is the C compiler for sysV88 and the various derivatives.
1104 This header file bug is corrected in gcc-2.5.8 and later versions.
1105 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1107 #if defined(m88k) && defined(ghs)
1121 # ifdef I_SYS_TIME_KERNEL
1124 # include <sys/time.h>
1125 # ifdef I_SYS_TIME_KERNEL
1130 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
1131 # include <sys/times.h>
1134 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
1135 # undef HAS_STRERROR
1140 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
1141 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1144 #if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1145 # include <sys/socket.h>
1146 # if defined(USE_SOCKS) && defined(I_SOCKS)
1147 # if !defined(INCLUDE_PROTOTYPES)
1148 # define INCLUDE_PROTOTYPES /* for <socks.h> */
1149 # define PERL_SOCKS_NEED_PROTOTYPES
1152 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1153 # undef INCLUDE_PROTOTYPES
1154 # undef PERL_SOCKS_NEED_PROTOTYPES
1165 # include <net/errno.h>
1170 /* sockatmark() is so new (2001) that many places might have it hidden
1171 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1172 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
1173 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
1174 # if defined(__THROW) && defined(__GLIBC__)
1175 int sockatmark(int) __THROW;
1177 int sockatmark(int);
1181 #if defined(__osf__) && defined(__cplusplus) && !defined(_XOPEN_SOURCE_EXTENDED) /* Tru64 "cxx" (C++), see hints/dec_osf.sh for why the _XOPEN_SOURCE_EXTENDED cannot be defined. */
1182 EXTERN_C int fchdir(int);
1183 EXTERN_C int flock(int, int);
1184 EXTERN_C int fseeko(FILE *, off_t, int);
1185 EXTERN_C off_t ftello(FILE *);
1188 #if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1189 EXTERN_C char *crypt(const char *, const char *);
1190 EXTERN_C char **environ;
1193 #if defined(__cplusplus)
1194 # if defined(BSDish)
1195 EXTERN_C char **environ;
1196 # elif defined(__CYGWIN__)
1197 EXTERN_C char *crypt(const char *, const char *);
1202 # undef SETERRNO /* SOCKS might have defined this */
1206 # define SETERRNO(errcode,vmserrcode) \
1208 set_errno(errcode); \
1209 set_vaxc_errno(vmserrcode); \
1211 # define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1212 # define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1213 # define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1214 # define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1216 # define LIB_INVARG LIB$_INVARG
1217 # define RMS_DIR RMS$_DIR
1218 # define RMS_FAC RMS$_FAC
1219 # define RMS_FEX RMS$_FEX
1220 # define RMS_FNF RMS$_FNF
1221 # define RMS_IFI RMS$_IFI
1222 # define RMS_ISI RMS$_ISI
1223 # define RMS_PRV RMS$_PRV
1224 # define SS_ACCVIO SS$_ACCVIO
1225 # define SS_DEVOFFLINE SS$_DEVOFFLINE
1226 # define SS_IVCHAN SS$_IVCHAN
1227 # define SS_NORMAL SS$_NORMAL
1228 # define SS_NOPRIV SS$_NOPRIV
1229 # define SS_BUFFEROVF SS$_BUFFEROVF
1231 # define LIB_INVARG 0
1239 # define SS_ACCVIO 0
1240 # define SS_DEVOFFLINE 0
1241 # define SS_IVCHAN 0
1242 # define SS_NORMAL 0
1243 # define SS_NOPRIV 0
1244 # define SS_BUFFEROVF 0
1248 # define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1249 # define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1250 # define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1251 # define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1255 # define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1256 # define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1257 # define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1258 # define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1262 # define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1266 # define dSAVEDERRNO int saved_errno
1267 # define dSAVE_ERRNO int saved_errno = errno
1268 # define SAVE_ERRNO (saved_errno = errno)
1269 # define RESTORE_ERRNO (errno = saved_errno)
1272 #define ERRSV GvSVn(PL_errgv)
1274 /* contains inlined gv_add_by_type */
1275 #define CLEAR_ERRSV() STMT_START { \
1276 SV ** const svp = &GvSV(PL_errgv); \
1278 goto clresv_newemptypv; \
1279 } else if (SvREADONLY(*svp)) { \
1280 SvREFCNT_dec_NN(*svp); \
1281 clresv_newemptypv: \
1282 *svp = newSVpvs(""); \
1284 SV *const errsv = *svp; \
1285 sv_setpvs(errsv, ""); \
1286 SvPOK_only(errsv); \
1287 if (SvMAGICAL(errsv)) { \
1295 # define DEFSV (0 + GvSVn(PL_defgv))
1296 # define DEFSV_set(sv) \
1297 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1298 # define SAVE_DEFSV \
1300 save_gp(PL_defgv, 0), \
1301 GvINTRO_off(PL_defgv), \
1302 SAVEGENERICSV(GvSV(PL_defgv)), \
1303 GvSV(PL_defgv) = NULL \
1306 # define DEFSV GvSVn(PL_defgv)
1307 # define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1308 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
1312 extern int errno; /* ANSI allows errno to be an lvalue expr.
1313 * For example in multithreaded environments
1314 * something like this might happen:
1315 * extern int *_errno(void);
1316 * #define errno (*_errno()) */
1319 #define UNKNOWN_ERRNO_MSG "(unknown)"
1322 # ifndef DONT_DECLARE_STD
1324 char *strerror (int,...);
1326 char *strerror (int);
1330 # define Strerror strerror
1333 # ifdef HAS_SYS_ERRLIST
1334 extern int sys_nerr;
1335 extern char *sys_errlist[];
1337 # define Strerror(e) \
1338 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
1345 # include <sys/ioctl.h>
1349 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
1350 # ifdef HAS_SOCKETPAIR
1351 # undef HAS_SOCKETPAIR
1358 #ifndef HAS_SOCKETPAIR
1360 # define socketpair Perl_my_socketpair
1365 # define htoni htons
1366 # define ntohi ntohs
1368 # define htoni htonl
1369 # define ntohi ntohl
1372 /* Configure already sets Direntry_t */
1373 #if defined(I_DIRENT)
1374 # include <dirent.h>
1377 # include <sys/ndir.h>
1381 # include <ndir.h> /* may be wrong in the future */
1383 # include <sys/dir.h>
1390 * The following gobbledygook brought to you on behalf of __STDC__.
1391 * (I could just use #ifndef __STDC__, but this is more bulletproof
1392 * in the face of half-implementations.)
1395 #if defined(I_SYSMODE)
1396 #include <sys/mode.h>
1401 # define S_IFMT _S_IFMT
1403 # define S_IFMT 0170000
1408 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1412 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1417 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1419 # define S_ISBLK(m) (0)
1424 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1429 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1431 # define S_ISFIFO(m) (0)
1437 # define S_ISLNK(m) _S_ISLNK(m)
1440 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1443 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1445 # define S_ISLNK(m) (0)
1453 # define S_ISSOCK(m) _S_ISSOCK(m)
1456 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1459 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1461 # define S_ISSOCK(m) (0)
1469 # define S_IRUSR S_IREAD
1470 # define S_IWUSR S_IWRITE
1471 # define S_IXUSR S_IEXEC
1473 # define S_IRUSR 0400
1474 # define S_IWUSR 0200
1475 # define S_IXUSR 0100
1481 # define S_IRGRP (S_IRUSR>>3)
1482 # define S_IWGRP (S_IWUSR>>3)
1483 # define S_IXGRP (S_IXUSR>>3)
1485 # define S_IRGRP 0040
1486 # define S_IWGRP 0020
1487 # define S_IXGRP 0010
1493 # define S_IROTH (S_IRUSR>>6)
1494 # define S_IWOTH (S_IWUSR>>6)
1495 # define S_IXOTH (S_IXUSR>>6)
1497 # define S_IROTH 0040
1498 # define S_IWOTH 0020
1499 # define S_IXOTH 0010
1504 # define S_ISUID 04000
1508 # define S_ISGID 02000
1512 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
1516 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
1520 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
1523 /* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1524 * which would get included through <sys/file.h >, but that is 3000
1525 * lines in the future. --jhi */
1527 #if !defined(S_IREAD) && !defined(__HAIKU__)
1528 # define S_IREAD S_IRUSR
1531 #if !defined(S_IWRITE) && !defined(__HAIKU__)
1532 # define S_IWRITE S_IWUSR
1536 # define S_IEXEC S_IXUSR
1539 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
1540 # define SLOPPYDIVIDE
1547 /* For the times when you want the return value of sprintf, and you want it
1548 to be the length. Can't have a thread variable passed in, because C89 has
1551 #ifdef SPRINTF_RETURNS_STRLEN
1552 # define my_sprintf sprintf
1554 # define my_sprintf Perl_my_sprintf
1558 * If we have v?snprintf() and the C99 variadic macros, we can just
1559 * use just the v?snprintf(). It is nice to try to trap the buffer
1560 * overflow, however, so if we are DEBUGGING, and we cannot use the
1561 * gcc statement expressions, then use the function wrappers which try
1562 * to trap the overflow. If we can use the gcc statement expressions,
1563 * we can try that even with the version that uses the C99 variadic
1567 /* Note that we do not check against snprintf()/vsnprintf() returning
1568 * negative values because that is non-standard behaviour and we use
1569 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1570 * that should be true only if the snprintf()/vsnprintf() are true
1571 * to the standard. */
1573 #define PERL_SNPRINTF_CHECK(len, max, api) STMT_START { if ((max) > 0 && (Size_t)len >= (max)) Perl_croak_nocontext("panic: %s buffer overflow", STRINGIFY(api)); } STMT_END
1576 # define my_snprintf Perl_my_snprintf
1577 # define PERL_MY_SNPRINTF_GUARDED
1579 #if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1580 # ifdef PERL_USE_GCC_BRACE_GROUPS
1581 # define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1582 # define PERL_MY_SNPRINTF_GUARDED
1584 # define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
1587 # define my_snprintf Perl_my_snprintf
1588 # define PERL_MY_SNPRINTF_GUARDED
1592 /* There is no quadmath_vsnprintf, and therefore my_vsnprintf()
1593 * dies if called under USE_QUADMATH. */
1594 #if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1595 # ifdef PERL_USE_GCC_BRACE_GROUPS
1596 # define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1597 # define PERL_MY_VSNPRINTF_GUARDED
1599 # define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
1602 # define my_vsnprintf Perl_my_vsnprintf
1603 # define PERL_MY_VSNPRINTF_GUARDED
1606 /* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1607 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1608 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1609 * completely ignore it: otherwise you cannot know whether your output
1612 * int len = my_sprintf(buf, max, ...);
1613 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1615 * The trick is that in certain platforms [a] the my_sprintf() already
1616 * contains the sanity check, while in certain platforms [b] it needs
1617 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1618 * platforms the POST_GUARD actually does nothing since the check has
1619 * already been done. Watch out for the max being the same in both calls.
1621 * If you actually use the snprintf/vsnprintf return value already,
1622 * you assumedly are checking its validity somehow. But you can
1623 * insert the POST_GUARD() also in that case. */
1625 #ifndef PERL_MY_SNPRINTF_GUARDED
1626 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1628 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1631 #ifndef PERL_MY_VSNPRINTF_GUARDED
1632 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1634 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1638 # define my_strlcat strlcat
1640 # define my_strlcat Perl_my_strlcat
1644 # define my_strlcpy strlcpy
1646 # define my_strlcpy Perl_my_strlcpy
1650 The IV type is supposed to be long enough to hold any integral
1652 --Andy Dougherty August 1996
1658 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
1659 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
1660 # define IV_MAX INT64_MAX
1661 # define IV_MIN INT64_MIN
1662 # define UV_MAX UINT64_MAX
1664 # define UINT64_MIN 0
1666 # define UV_MIN UINT64_MIN
1668 # define IV_MAX PERL_QUAD_MAX
1669 # define IV_MIN PERL_QUAD_MIN
1670 # define UV_MAX PERL_UQUAD_MAX
1671 # define UV_MIN PERL_UQUAD_MIN
1676 # if defined(INT32_MAX) && IVSIZE == 4
1677 # define IV_MAX INT32_MAX
1678 # define IV_MIN INT32_MIN
1679 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1680 # define UV_MAX UINT32_MAX
1682 # define UV_MAX 4294967295U
1685 # define UINT32_MIN 0
1687 # define UV_MIN UINT32_MIN
1689 # define IV_MAX PERL_LONG_MAX
1690 # define IV_MIN PERL_LONG_MIN
1691 # define UV_MAX PERL_ULONG_MAX
1692 # define UV_MIN PERL_ULONG_MIN
1703 #if !defined(PERL_CORE) || defined(USING_MSVC6)
1704 /* We think that removing this decade-old undef this will cause too much
1705 breakage on CPAN for too little gain. (See RT #119753)
1706 However, we do need HAS_QUAD in the core for use by the drand48 code,
1707 but not for Win32 VC6 because it has poor __int64 support. */
1713 #define Size_t_MAX (~(Size_t)0)
1714 #define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1)
1716 #define IV_DIG (BIT_DIGITS(IVSIZE * 8))
1717 #define UV_DIG (BIT_DIGITS(UVSIZE * 8))
1719 #ifndef NO_PERL_PRESERVE_IVUV
1720 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
1724 * The macros INT2PTR and NUM2PTR are (despite their names)
1725 * bi-directional: they will convert int/float to or from pointers.
1726 * However the conversion to int/float are named explicitly:
1727 * PTR2IV, PTR2UV, PTR2NV.
1729 * For int conversions we do not need two casts if pointers are
1730 * the same size as IV and UV. Otherwise we need an explicit
1731 * cast (PTRV) to avoid compiler warnings.
1733 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1735 # define INT2PTR(any,d) (any)(d)
1737 # if PTRSIZE == LONGSIZE
1738 # define PTRV unsigned long
1739 # define PTR2ul(p) (unsigned long)(p)
1741 # define PTRV unsigned
1746 # define INT2PTR(any,d) (any)(PTRV)(d)
1750 # define PTR2ul(p) INT2PTR(unsigned long,p)
1753 #define NUM2PTR(any,d) (any)(PTRV)(d)
1754 #define PTR2IV(p) INT2PTR(IV,p)
1755 #define PTR2UV(p) INT2PTR(UV,p)
1756 #define PTR2NV(p) NUM2PTR(NV,p)
1757 #define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
1759 /* According to strict ANSI C89 one cannot freely cast between
1760 * data pointers and function (code) pointers. There are at least
1761 * two ways around this. One (used below) is to do two casts,
1762 * first the other pointer to an (unsigned) integer, and then
1763 * the integer to the other pointer. The other way would be
1764 * to use unions to "overlay" the pointers. For an example of
1765 * the latter technique, see union dirpu in struct xpvio in sv.h.
1766 * The only feasible use is probably temporarily storing
1767 * function pointers in a data pointer (such as a void pointer). */
1769 #define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1770 #define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
1772 #ifdef USE_LONG_DOUBLE
1773 # if LONG_DOUBLESIZE == DOUBLESIZE
1774 # define LONG_DOUBLE_EQUALS_DOUBLE
1775 # undef USE_LONG_DOUBLE /* Ouch! */
1780 /* Use an overridden DBL_DIG */
1784 # define DBL_DIG OVR_DBL_DIG
1786 /* The following is all to get DBL_DIG, in order to pick a nice
1787 default value for printing floating point numbers in Gconvert
1788 (see config.h). (It also has other uses, such as figuring out if
1789 a given precision of printing can be done with a double instead of
1790 a long double - Allen).
1799 #define DBL_DIG 15 /* A guess that works lots of places */
1804 /* Use an overridden LDBL_DIG */
1808 # define LDBL_DIG OVR_LDBL_DIG
1810 /* The following is all to get LDBL_DIG, in order to pick a nice
1811 default value for printing floating point numbers in Gconvert.
1815 # include <limits.h>
1820 # ifndef HAS_LDBL_DIG
1821 # if LONG_DOUBLESIZE == 10
1822 # define LDBL_DIG 18 /* assume IEEE */
1824 # if LONG_DOUBLESIZE == 12
1825 # define LDBL_DIG 18 /* gcc? */
1827 # if LONG_DOUBLESIZE == 16
1828 # define LDBL_DIG 33 /* assume IEEE */
1830 # if LONG_DOUBLESIZE == DOUBLESIZE
1831 # define LDBL_DIG DBL_DIG /* bummer */
1840 * This is for making sure we have a good DBL_MAX value, if possible,
1841 * either for usage as NV_MAX or for usage in figuring out if we can
1842 * fit a given long double into a double, if bug-fixing makes it
1843 * necessary to do so. - Allen <allens@cpan.org>
1847 # include <limits.h>
1851 # if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1852 # include <values.h>
1853 # if defined(MAXDOUBLE) && !defined(DBL_MAX)
1854 # define DBL_MAX MAXDOUBLE
1856 # if defined(MINDOUBLE) && !defined(DBL_MIN)
1857 # define DBL_MIN MINDOUBLE
1860 #endif /* defined(I_VALUES) */
1865 # include <ieeefp.h>
1869 /* VC6 has broken NaN semantics: NaN == NaN returns true instead of false,
1870 * and for example NaN < IV_MIN. */
1871 # define NAN_COMPARE_BROKEN
1873 #if defined(__DECC) && defined(__osf__)
1874 /* Also Tru64 cc has broken NaN comparisons. */
1875 # define NAN_COMPARE_BROKEN
1878 #ifdef USE_LONG_DOUBLE
1880 # include <sunmath.h>
1882 # if defined(LDBL_DIG)
1883 # define NV_DIG LDBL_DIG
1884 # ifdef LDBL_MANT_DIG
1885 # define NV_MANT_DIG LDBL_MANT_DIG
1888 # define NV_MIN LDBL_MIN
1891 # define NV_MAX LDBL_MAX
1893 # ifdef LDBL_MIN_EXP
1894 # define NV_MIN_EXP LDBL_MIN_EXP
1896 # ifdef LDBL_MAX_EXP
1897 # define NV_MAX_EXP LDBL_MAX_EXP
1899 # ifdef LDBL_MIN_10_EXP
1900 # define NV_MIN_10_EXP LDBL_MIN_10_EXP
1902 # ifdef LDBL_MAX_10_EXP
1903 # define NV_MAX_10_EXP LDBL_MAX_10_EXP
1905 # ifdef LDBL_EPSILON
1906 # define NV_EPSILON LDBL_EPSILON
1909 # define NV_MAX LDBL_MAX
1910 /* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
1913 # define NV_MAX HUGE_VALL
1917 # if defined(HAS_SQRTL)
1918 # define Perl_acos acosl
1919 # define Perl_asin asinl
1920 # define Perl_atan atanl
1921 # define Perl_atan2 atan2l
1922 # define Perl_ceil ceill
1923 # define Perl_cos cosl
1924 # define Perl_cosh coshl
1925 # define Perl_exp expl
1926 /* no Perl_fabs, but there's PERL_ABS */
1927 # define Perl_floor floorl
1928 # define Perl_fmod fmodl
1929 # define Perl_log logl
1930 # define Perl_log10 log10l
1931 # define Perl_pow powl
1932 # define Perl_sin sinl
1933 # define Perl_sinh sinhl
1934 # define Perl_sqrt sqrtl
1935 # define Perl_tan tanl
1936 # define Perl_tanh tanhl
1938 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1941 # define Perl_modf(x,y) modfl(x,y)
1942 /* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1943 prototype in <math.h> */
1944 # ifndef HAS_MODFL_PROTO
1945 EXTERN_C long double modfl(long double, long double *);
1947 # elif (defined(HAS_TRUNCL) || defined(HAS_AINTL)) && defined(HAS_COPYSIGNL)
1948 extern long double Perl_my_modfl(long double x, long double *ip);
1949 # define Perl_modf(x,y) Perl_my_modfl(x,y)
1954 # define Perl_frexp(x,y) frexpl(x,y)
1956 # if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1957 extern long double Perl_my_frexpl(long double x, int *e);
1958 # define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1964 # define Perl_ldexp(x, y) ldexpl(x,y)
1966 # if defined(HAS_SCALBNL) && FLT_RADIX == 2
1967 # define Perl_ldexp(x,y) scalbnl(x,y)
1972 # if defined(HAS_ISNANL) && !(defined(isnan) && defined(HAS_C99))
1973 # define Perl_isnan(x) isnanl(x)
1977 # if defined(HAS_ISINFL) && !(defined(isinf) && defined(HAS_C99))
1978 # define Perl_isinf(x) isinfl(x)
1979 # elif defined(LDBL_MAX) && !defined(NAN_COMPARE_BROKEN)
1980 # define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX)
1983 # ifndef Perl_isfinite
1984 # define Perl_isfinite(x) Perl_isfinitel(x)
1986 #elif defined(USE_QUADMATH) && defined(I_QUADMATH)
1987 # include <quadmath.h>
1988 # define NV_DIG FLT128_DIG
1989 # define NV_MANT_DIG FLT128_MANT_DIG
1990 # define NV_MIN FLT128_MIN
1991 # define NV_MAX FLT128_MAX
1992 # define NV_MIN_EXP FLT128_MIN_EXP
1993 # define NV_MAX_EXP FLT128_MAX_EXP
1994 # define NV_EPSILON FLT128_EPSILON
1995 # define NV_MIN_10_EXP FLT128_MIN_10_EXP
1996 # define NV_MAX_10_EXP FLT128_MAX_10_EXP
1997 # define NV_INF HUGE_VALQ
1998 # define NV_NAN nanq("0")
1999 # define Perl_acos acosq
2000 # define Perl_asin asinq
2001 # define Perl_atan atanq
2002 # define Perl_atan2 atan2q
2003 # define Perl_ceil ceilq
2004 # define Perl_cos cosq
2005 # define Perl_cosh coshq
2006 # define Perl_exp expq
2007 /* no Perl_fabs, but there's PERL_ABS */
2008 # define Perl_floor floorq
2009 # define Perl_fmod fmodq
2010 # define Perl_log logq
2011 # define Perl_log10 log10q
2012 # define Perl_pow powq
2013 # define Perl_sin sinq
2014 # define Perl_sinh sinhq
2015 # define Perl_sqrt sqrtq
2016 # define Perl_tan tanq
2017 # define Perl_tanh tanhq
2018 # define Perl_modf(x,y) modfq(x,y)
2019 # define Perl_frexp(x,y) frexpq(x,y)
2020 # define Perl_ldexp(x, y) ldexpq(x,y)
2021 # define Perl_isinf(x) isinfq(x)
2022 # define Perl_isnan(x) isnanq(x)
2023 # define Perl_isfinite(x) !(isnanq(x) || isinfq(x))
2025 # define NV_DIG DBL_DIG
2026 # ifdef DBL_MANT_DIG
2027 # define NV_MANT_DIG DBL_MANT_DIG
2030 # define NV_MIN DBL_MIN
2033 # define NV_MAX DBL_MAX
2036 # define NV_MIN_EXP DBL_MIN_EXP
2039 # define NV_MAX_EXP DBL_MAX_EXP
2041 # ifdef DBL_MIN_10_EXP
2042 # define NV_MIN_10_EXP DBL_MIN_10_EXP
2044 # ifdef DBL_MAX_10_EXP
2045 # define NV_MAX_10_EXP DBL_MAX_10_EXP
2048 # define NV_EPSILON DBL_EPSILON
2050 # ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
2051 # define NV_MAX DBL_MAX
2052 # define NV_MIN DBL_MIN
2055 # define NV_MAX HUGE_VAL
2059 /* These math interfaces are C89. */
2060 # define Perl_acos acos
2061 # define Perl_asin asin
2062 # define Perl_atan atan
2063 # define Perl_atan2 atan2
2064 # define Perl_ceil ceil
2065 # define Perl_cos cos
2066 # define Perl_cosh cosh
2067 # define Perl_exp exp
2068 /* no Perl_fabs, but there's PERL_ABS */
2069 # define Perl_floor floor
2070 # define Perl_fmod fmod
2071 # define Perl_log log
2072 # define Perl_log10 log10
2073 # define Perl_pow pow
2074 # define Perl_sin sin
2075 # define Perl_sinh sinh
2076 # define Perl_sqrt sqrt
2077 # define Perl_tan tan
2078 # define Perl_tanh tanh
2080 # define Perl_modf(x,y) modf(x,y)
2081 # define Perl_frexp(x,y) frexp(x,y)
2082 # define Perl_ldexp(x,y) ldexp(x,y)
2086 # define Perl_isnan(x) isnan(x)
2090 # if defined(HAS_ISINF)
2091 # define Perl_isinf(x) isinf(x)
2092 # elif defined(DBL_MAX) && !defined(NAN_COMPARE_BROKEN)
2093 # define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX)
2096 # ifndef Perl_isfinite
2097 # ifdef HAS_ISFINITE
2098 # define Perl_isfinite(x) isfinite(x)
2099 # elif defined(HAS_FINITE)
2100 # define Perl_isfinite(x) finite(x)
2105 /* fpclassify(): C99. It is supposed to be a macro that switches on
2106 * the sizeof() of its argument, so there's no need for e.g. fpclassifyl().*/
2107 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2109 # if defined(FP_INFINITE) && defined(FP_NAN)
2110 # define Perl_fp_class(x) fpclassify(x)
2111 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2112 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2113 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2114 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2115 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2116 # elif defined(FP_PLUS_INF) && defined(FP_QNAN)
2117 /* Some versions of HP-UX (10.20) have (only) fpclassify() but which is
2118 * actually not the C99 fpclassify, with its own set of return defines. */
2119 # define Perl_fp_class(x) fpclassify(x)
2120 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2121 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2122 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2123 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2124 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2125 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2126 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2127 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2128 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2129 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2131 # undef Perl_fp_class /* Unknown set of defines */
2135 /* fp_classify(): Legacy: VMS, maybe Unicos? The values, however,
2136 * are identical to the C99 fpclassify(). */
2137 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASSIFY)
2140 /* FP_INFINITE and others are here rather than in math.h as C99 stipulates */
2142 /* oh, and the isnormal macro has a typo in it! */
2144 # define isnormal(x) Perl_fp_class_norm(x)
2146 # if defined(FP_INFINITE) && defined(FP_NAN)
2147 # define Perl_fp_class(x) fp_classify(x)
2148 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2149 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2150 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2151 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2152 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2154 # undef Perl_fp_class /* Unknown set of defines */
2158 /* Feel free to check with me for the SGI manpages, SGI testing,
2159 * etcetera, if you want to try getting this to work with IRIX.
2161 * - Allen <allens@cpan.org> */
2163 /* fpclass(): SysV, at least Solaris and some versions of IRIX. */
2164 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2165 /* Solaris and IRIX have fpclass/fpclassl, but they are using
2166 * an enum typedef, not cpp symbols, and Configure doesn't detect that.
2167 * Define some symbols also as cpp symbols so we can detect them. */
2168 # if defined(__sun) || defined(__irix__) /* XXX Configure test instead */
2169 # define FP_PINF FP_PINF
2170 # define FP_QNAN FP_QNAN
2174 # include <ieeefp.h>
2179 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2180 # define Perl_fp_class(x) fpclassl(x)
2182 # define Perl_fp_class(x) fpclass(x)
2184 # if defined(FP_CLASS_PINF) && defined(FP_CLASS_SNAN)
2185 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2186 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2187 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2188 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2189 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2190 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2191 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2192 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2193 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2194 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2195 # elif defined(FP_PINF) && defined(FP_QNAN)
2196 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2197 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2198 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NINF)
2199 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PINF)
2200 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NNORM)
2201 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PNORM)
2202 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NDENORM)
2203 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PDENORM)
2204 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NZERO)
2205 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PZERO)
2207 # undef Perl_fp_class /* Unknown set of defines */
2211 /* fp_class(): Legacy: at least Tru64, some versions of IRIX. */
2212 #if !defined(Perl_fp_class) && (defined(HAS_FP_CLASS)||defined(HAS_FP_CLASSL))
2214 # if !defined(FP_SNAN) && defined(I_FP_CLASS)
2215 # include <fp_class.h>
2217 # if defined(FP_POS_INF) && defined(FP_QNAN)
2218 # ifdef __irix__ /* XXX Configure test instead */
2219 # ifdef USE_LONG_DOUBLE
2220 # define Perl_fp_class(x) fp_class_l(x)
2222 # define Perl_fp_class(x) fp_class_d(x)
2225 # if defined(USE_LONG_DOUBLE) && defined(HAS_FP_CLASSL)
2226 # define Perl_fp_class(x) fp_classl(x)
2228 # define Perl_fp_class(x) fp_class(x)
2231 # if defined(FP_POS_INF) && defined(FP_QNAN)
2232 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2233 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2234 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NEG_INF)
2235 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_POS_INF)
2236 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NEG_NORM)
2237 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_POS_NORM)
2238 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NEG_DENORM)
2239 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_POS_DENORM)
2240 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NEG_ZERO)
2241 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_POS_ZERO)
2243 # undef Perl_fp_class /* Unknown set of defines */
2248 /* class(), _class(): Legacy: AIX. */
2249 #if !defined(Perl_fp_class) && defined(HAS_CLASS)
2251 # if defined(FP_PLUS_NORM) && defined(FP_PLUS_INF)
2253 # define Perl_fp_class(x) class(x)
2255 # define Perl_fp_class(x) _class(x)
2257 # if defined(FP_PLUS_INF) && defined(FP_NANQ)
2258 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2259 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2260 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2261 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2262 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2263 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2264 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2265 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2266 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2267 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2269 # undef Perl_fp_class /* Unknown set of defines */
2274 /* Win32: _fpclass(), _isnan(), _finite(). */
2277 # define Perl_isnan(x) _isnan(x)
2279 # ifndef Perl_isfinite
2280 # define Perl_isfinite(x) _finite(x)
2282 # ifndef Perl_fp_class_snan
2283 /* No simple way to #define Perl_fp_class because _fpclass()
2284 * returns a set of bits. */
2285 # define Perl_fp_class_snan(x) (_fpclass(x) & _FPCLASS_SNAN)
2286 # define Perl_fp_class_qnan(x) (_fpclass(x) & _FPCLASS_QNAN)
2287 # define Perl_fp_class_nan(x) (_fpclass(x) & (_FPCLASS_SNAN|_FPCLASS_QNAN))
2288 # define Perl_fp_class_ninf(x) (_fpclass(x) & _FPCLASS_NINF))
2289 # define Perl_fp_class_pinf(x) (_fpclass(x) & _FPCLASS_PINF))
2290 # define Perl_fp_class_inf(x) (_fpclass(x) & (_FPCLASS_NINF|_FPCLASS_PINF))
2291 # define Perl_fp_class_nnorm(x) (_fpclass(x) & _FPCLASS_NN)
2292 # define Perl_fp_class_pnorm(x) (_fpclass(x) & _FPCLASS_PN)
2293 # define Perl_fp_class_norm(x) (_fpclass(x) & (_FPCLASS_NN|_FPCLASS_PN))
2294 # define Perl_fp_class_ndenorm(x) (_fpclass(x) & _FPCLASS_ND)
2295 # define Perl_fp_class_pdenorm(x) (_fpclass(x) & _FPCLASS_PD)
2296 # define Perl_fp_class_denorm(x) (_fpclass(x) & (_FPCLASS_ND|_FPCLASS_PD))
2297 # define Perl_fp_class_nzero(x) (_fpclass(x) & _FPCLASS_NZ)
2298 # define Perl_fp_class_pzero(x) (_fpclass(x) & _FPCLASS_PZ)
2299 # define Perl_fp_class_zero(x) (_fpclass(x) & (_FPCLASS_NZ|_FPCLASS_PZ))
2303 #if !defined(Perl_fp_class_inf) && \
2304 defined(Perl_fp_class_pinf) && defined(Perl_fp_class_ninf)
2305 # define Perl_fp_class_inf(x) \
2306 (Perl_fp_class_pinf(x) || Perl_fp_class_ninf(x))
2309 #if !defined(Perl_fp_class_nan) && \
2310 defined(Perl_fp_class_snan) && defined(Perl_fp_class_qnan)
2311 # define Perl_fp_class_nan(x) \
2312 (Perl_fp_class_snan(x) || Perl_fp_class_qnan(x))
2315 #if !defined(Perl_fp_class_zero) && \
2316 defined(Perl_fp_class_pzero) && defined(Perl_fp_class_nzero)
2317 # define Perl_fp_class_zero(x) \
2318 (Perl_fp_class_pzero(x) || Perl_fp_class_nzero(x))
2321 #if !defined(Perl_fp_class_norm) && \
2322 defined(Perl_fp_class_pnorm) && defined(Perl_fp_class_nnorm)
2323 # define Perl_fp_class_norm(x) \
2324 (Perl_fp_class_pnorm(x) || Perl_fp_class_nnorm(x))
2327 #if !defined(Perl_fp_class_denorm) && \
2328 defined(Perl_fp_class_pdenorm) && defined(Perl_fp_class_ndenorm)
2329 # define Perl_fp_class_denorm(x) \
2330 (Perl_fp_class_pdenorm(x) || Perl_fp_class_ndenorm(x))
2334 int isnan(double d);
2338 # ifdef Perl_fp_class_nan
2339 # define Perl_isnan(x) Perl_fp_class_nan(x)
2341 # ifdef HAS_UNORDERED
2342 # define Perl_isnan(x) unordered((x), 0.0)
2344 # define Perl_isnan(x) ((x)!=(x))
2350 # ifdef Perl_fp_class_inf
2351 # define Perl_isinf(x) Perl_fp_class_inf(x)
2355 #ifndef Perl_isfinite
2356 # if defined(HAS_ISFINITE) && !defined(isfinite)
2357 # define Perl_isfinite(x) isfinite((double)(x))
2358 # elif defined(HAS_FINITE)
2359 # define Perl_isfinite(x) finite((double)(x))
2360 # elif defined(Perl_fp_class_finite)
2361 # define Perl_isfinite(x) Perl_fp_class_finite(x)
2363 /* For the infinities the multiplication returns nan,
2364 * for the nan the multiplication also returns nan,
2365 * for everything else (that is, finite) zero should be returned. */
2366 # define Perl_isfinite(x) (((x) * 0) == 0)
2371 # if defined(Perl_isfinite) && defined(Perl_isnan)
2372 # define Perl_isinf(x) !(Perl_isfinite(x)||Perl_isnan(x))
2376 /* We need Perl_isfinitel (ends with ell) (if available) even when
2377 * not USE_LONG_DOUBLE because the printf code (sv_catpvfn_flags)
2379 #if defined(HAS_LONG_DOUBLE) && !defined(Perl_isfinitel)
2380 /* If isfinite() is a macro and looks like we have C99,
2381 * we assume it's the type-aware C99 isfinite(). */
2382 # if defined(HAS_ISFINITE) && defined(isfinite) && defined(HAS_C99)
2383 # define Perl_isfinitel(x) isfinite(x)
2384 # elif defined(HAS_ISFINITEL)
2385 # define Perl_isfinitel(x) isfinitel(x)
2386 # elif defined(HAS_FINITEL)
2387 # define Perl_isfinitel(x) finitel(x)
2388 # elif defined(HAS_INFL) && defined(HAS_NANL)
2389 # define Perl_isfinitel(x) !(isinfl(x)||isnanl(x))
2391 # define Perl_isfinitel(x) ((x) * 0 == 0) /* See Perl_isfinite. */
2395 /* The default is to use Perl's own atof() implementation (in numeric.c).
2396 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2397 * it is however best to use the native implementation of atof.
2398 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2399 * Some good tests to try out with either setting are t/base/num.t,
2400 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2401 * you may need to be using a different function than atof! */
2403 #ifndef USE_PERL_ATOF
2405 # define USE_PERL_ATOF
2408 # if USE_PERL_ATOF == 0
2409 # undef USE_PERL_ATOF
2413 #ifdef USE_PERL_ATOF
2414 # define Perl_atof(s) Perl_my_atof(s)
2415 # define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2417 # define Perl_atof(s) (NV)atof(s)
2418 # define Perl_atof2(s, n) ((n) = atof(s))
2421 /* Previously these definitions used hardcoded figures.
2422 * It is hoped these formula are more portable, although
2423 * no data one way or another is presently known to me.
2424 * The "PERL_" names are used because these calculated constants
2425 * do not meet the ANSI requirements for LONG_MAX, etc., which
2426 * need to be constants acceptable to #if - kja
2427 * define PERL_LONG_MAX 2147483647L
2428 * define PERL_LONG_MIN (-LONG_MAX - 1)
2429 * define PERL ULONG_MAX 4294967295L
2432 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2433 # include <limits.h>
2435 /* Included values.h above if necessary; still including limits.h down here,
2436 * despite doing above, because math.h might have overridden... XXX - Allen */
2439 * Try to figure out max and min values for the integral types. THE CORRECT
2440 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2441 * following hacks are used if neither limits.h or values.h provide them:
2442 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2443 * for types < int: (unsigned TYPE)~(unsigned)0
2444 * The argument to ~ must be unsigned so that later signed->unsigned
2445 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2446 * and it must not be smaller than int because ~ does integral promotion.
2447 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2448 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2449 * The latter is a hack which happens to work on some machines but
2450 * does *not* catch any random system, or things like integer types
2451 * with NaN if that is possible.
2453 * All of the types are explicitly cast to prevent accidental loss of
2454 * numeric range, and in the hope that they will be less likely to confuse
2455 * over-eager optimizers.
2459 #define PERL_UCHAR_MIN ((unsigned char)0)
2462 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
2465 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
2467 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
2472 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2473 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2474 * depending on local options. Until Configure detects this (or at least
2475 * detects whether the "signed" keyword is available) the CHAR ranges
2476 * will not be included. UCHAR functions normally.
2480 #define PERL_USHORT_MIN ((unsigned short)0)
2483 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
2486 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
2489 # define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2491 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2497 # define PERL_SHORT_MAX ((short)SHORT_MAX)
2499 # ifdef MAXSHORT /* Often used in <values.h> */
2500 # define PERL_SHORT_MAX ((short)MAXSHORT)
2503 # define PERL_SHORT_MAX ((short)SHRT_MAX)
2505 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2511 # define PERL_SHORT_MIN ((short)SHORT_MIN)
2514 # define PERL_SHORT_MIN ((short)MINSHORT)
2517 # define PERL_SHORT_MIN ((short)SHRT_MIN)
2519 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2525 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
2528 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
2530 # define PERL_UINT_MAX (~(unsigned int)0)
2534 #define PERL_UINT_MIN ((unsigned int)0)
2537 # define PERL_INT_MAX ((int)INT_MAX)
2539 # ifdef MAXINT /* Often used in <values.h> */
2540 # define PERL_INT_MAX ((int)MAXINT)
2542 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
2547 # define PERL_INT_MIN ((int)INT_MIN)
2550 # define PERL_INT_MIN ((int)MININT)
2552 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2557 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
2560 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
2562 # define PERL_ULONG_MAX (~(unsigned long)0)
2566 #define PERL_ULONG_MIN ((unsigned long)0L)
2569 # define PERL_LONG_MAX ((long)LONG_MAX)
2571 # ifdef MAXLONG /* Often used in <values.h> */
2572 # define PERL_LONG_MAX ((long)MAXLONG)
2574 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
2579 # define PERL_LONG_MIN ((long)LONG_MIN)
2582 # define PERL_LONG_MIN ((long)MINLONG)
2584 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
2590 # define PERL_UQUAD_MAX (~(UV)0)
2591 # define PERL_UQUAD_MIN ((UV)0)
2592 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
2593 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
2597 typedef MEM_SIZE STRLEN;
2599 typedef struct op OP;
2600 typedef struct cop COP;
2601 typedef struct unop UNOP;
2602 typedef struct unop_aux UNOP_AUX;
2603 typedef struct binop BINOP;
2604 typedef struct listop LISTOP;
2605 typedef struct logop LOGOP;
2606 typedef struct pmop PMOP;
2607 typedef struct svop SVOP;
2608 typedef struct padop PADOP;
2609 typedef struct pvop PVOP;
2610 typedef struct loop LOOP;
2611 typedef struct methop METHOP;
2614 typedef struct opslab OPSLAB;
2615 typedef struct opslot OPSLOT;
2618 typedef struct block_hooks BHK;
2619 typedef struct custom_op XOP;
2621 typedef struct interpreter PerlInterpreter;
2623 /* SGI's <sys/sema.h> has struct sv */
2625 # define STRUCT_SV perl_sv
2627 # define STRUCT_SV sv
2629 typedef struct STRUCT_SV SV;
2630 typedef struct av AV;
2631 typedef struct hv HV;
2632 typedef struct cv CV;
2633 typedef struct p5rx REGEXP;
2634 typedef struct gp GP;
2635 typedef struct gv GV;
2636 typedef struct io IO;
2637 typedef struct context PERL_CONTEXT;
2638 typedef struct block BLOCK;
2640 typedef struct magic MAGIC;
2641 typedef struct xpv XPV;
2642 typedef struct xpviv XPVIV;
2643 typedef struct xpvuv XPVUV;
2644 typedef struct xpvnv XPVNV;
2645 typedef struct xpvmg XPVMG;
2646 typedef struct xpvlv XPVLV;
2647 typedef struct xpvinvlist XINVLIST;
2648 typedef struct xpvav XPVAV;
2649 typedef struct xpvhv XPVHV;
2650 typedef struct xpvgv XPVGV;
2651 typedef struct xpvcv XPVCV;
2652 typedef struct xpvbm XPVBM;
2653 typedef struct xpvfm XPVFM;
2654 typedef struct xpvio XPVIO;
2655 typedef struct mgvtbl MGVTBL;
2656 typedef union any ANY;
2657 typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2658 typedef struct ptr_tbl PTR_TBL_t;
2659 typedef struct clone_params CLONE_PARAMS;
2661 /* a pad is currently just an AV; but that might change,
2662 * so hide the type. */
2663 typedef struct padlist PADLIST;
2665 typedef struct padnamelist PADNAMELIST;
2666 typedef struct padname PADNAME;
2668 /* enable PERL_NEW_COPY_ON_WRITE by default */
2669 #if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2670 # define PERL_NEW_COPY_ON_WRITE
2673 #if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2674 # if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2675 # error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2677 # define PERL_ANY_COW
2680 # define PERL_SAWAMPERSAND
2683 #if defined(PERL_DEBUG_READONLY_OPS) && !defined(USE_ITHREADS)
2684 # error PERL_DEBUG_READONLY_OPS only works with ithreads
2689 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
2690 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2691 # define USE_64_BIT_RAWIO /* implicit */
2695 /* Notice the use of HAS_FSEEKO: now we are obligated to always use
2696 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2697 * however, because operating systems like to do that themself. */
2700 # define FSEEKSIZE LSEEKSIZE
2702 # define FSEEKSIZE LONGSIZE
2706 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
2707 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2708 # define USE_64_BIT_STDIO /* implicit */
2712 #ifdef USE_64_BIT_RAWIO
2715 # define Off_t off64_t
2717 # define LSEEKSIZE 8
2719 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2720 * will trigger defines like the ones below. Some 64-bit environments,
2721 * however, do not. Therefore we have to explicitly mix and match. */
2722 # if defined(USE_OPEN64)
2723 # define open open64
2725 # if defined(USE_LSEEK64)
2726 # define lseek lseek64
2728 # if defined(USE_LLSEEK)
2729 # define lseek llseek
2732 # if defined(USE_STAT64)
2733 # define stat stat64
2735 # if defined(USE_FSTAT64)
2736 # define fstat fstat64
2738 # if defined(USE_LSTAT64)
2739 # define lstat lstat64
2741 # if defined(USE_FLOCK64)
2742 # define flock flock64
2744 # if defined(USE_LOCKF64)
2745 # define lockf lockf64
2747 # if defined(USE_FCNTL64)
2748 # define fcntl fcntl64
2750 # if defined(USE_TRUNCATE64)
2751 # define truncate truncate64
2753 # if defined(USE_FTRUNCATE64)
2754 # define ftruncate ftruncate64
2758 #ifdef USE_64_BIT_STDIO
2759 # ifdef HAS_FPOS64_T
2761 # define Fpos_t fpos64_t
2763 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2764 * will trigger defines like the ones below. Some 64-bit environments,
2765 * however, do not. */
2766 # if defined(USE_FOPEN64)
2767 # define fopen fopen64
2769 # if defined(USE_FSEEK64)
2770 # define fseek fseek64 /* don't do fseeko here, see perlio.c */
2772 # if defined(USE_FTELL64)
2773 # define ftell ftell64 /* don't do ftello here, see perlio.c */
2775 # if defined(USE_FSETPOS64)
2776 # define fsetpos fsetpos64
2778 # if defined(USE_FGETPOS64)
2779 # define fgetpos fgetpos64
2781 # if defined(USE_TMPFILE64)
2782 # define tmpfile tmpfile64
2784 # if defined(USE_FREOPEN64)
2785 # define freopen freopen64
2790 # include "iperlsys.h"
2795 # include "os2ish.h"
2797 # include "dosish.h"
2800 # include "vmsish.h"
2801 #elif defined(PLAN9)
2802 # include "./plan9/plan9ish.h"
2803 #elif defined(__VOS__)
2805 # include "./vos/vosish.h"
2807 # include "vos/vosish.h"
2809 #elif defined(__SYMBIAN32__)
2810 # include "symbian/symbianish.h"
2811 #elif defined(__HAIKU__)
2812 # include "haiku/haikuish.h"
2814 # include "unixish.h"
2817 /* NSIG logic from Configure --> */
2818 /* Strange style to avoid deeply-nested #if/#else/#endif */
2821 # define NSIG (_NSIG)
2827 # define NSIG (SIGMAX+1)
2833 # define NSIG (SIG_MAX+1)
2839 # define NSIG (_SIG_MAX+1)
2845 # define NSIG (MAXSIG+1)
2851 # define NSIG (MAX_SIG+1)
2856 # ifdef SIGARRAYSIZE
2857 # define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2863 # define NSIG (_sys_nsig) /* Solaris 2.5 */
2867 /* Default to some arbitrary number that's big enough to get most
2868 of the common signals.
2873 /* <-- NSIG logic from Configure */
2875 #ifndef NO_ENVIRON_ARRAY
2876 # define USE_ENVIRON_ARRAY
2880 * initialise to avoid floating-point exceptions from overflow, etc
2882 #ifndef PERL_FPU_INIT
2883 # ifdef HAS_FPSETMASK
2884 # if HAS_FLOATINGPOINT_H
2885 # include <floatingpoint.h>
2887 /* Some operating systems have this as a macro, which in turn expands to a comma
2888 expression, and the last sub-expression is something that gets calculated,
2889 and then they have the gall to warn that a value computed is not used. Hence
2891 # define PERL_FPU_INIT (void)fpsetmask(0)
2893 # if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
2894 # define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
2895 # define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2896 # define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
2898 # define PERL_FPU_INIT
2903 #ifndef PERL_FPU_PRE_EXEC
2904 # define PERL_FPU_PRE_EXEC {
2905 # define PERL_FPU_POST_EXEC }
2908 /* In Tru64 the cc -ieee enables the IEEE math but disables traps.
2909 * We need to reenable the "invalid" trap because otherwise generation
2910 * of NaN values leaves the IEEE fp flags in bad state, leaving any further
2911 * fp ops behaving strangely (Inf + 1 resulting in zero, for example). */
2913 # include <machine/fpu.h>
2914 # define PERL_SYS_FPU_INIT \
2916 ieee_set_fp_control(IEEE_TRAP_ENABLE_INV); \
2917 signal(SIGFPE, SIG_IGN); \
2921 #ifndef PERL_SYS_FPU_INIT
2922 # define PERL_SYS_FPU_INIT NOOP
2925 #ifndef PERL_SYS_INIT3_BODY
2926 # define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
2930 =head1 Miscellaneous Functions
2932 =for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
2933 Provides system-specific tune up of the C runtime environment necessary to
2934 run Perl interpreters. This should be called only once, before creating
2935 any Perl interpreters.
2937 =for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
2938 Provides system-specific tune up of the C runtime environment necessary to
2939 run Perl interpreters. This should be called only once, before creating
2940 any Perl interpreters.
2942 =for apidoc Am|void|PERL_SYS_TERM|
2943 Provides system-specific clean up of the C runtime environment after
2944 running Perl interpreters. This should be called only once, after
2945 freeing any remaining Perl interpreters.
2950 #define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2951 #define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
2952 #define PERL_SYS_TERM() Perl_sys_term()
2954 #ifndef PERL_WRITE_MSG_TO_CONSOLE
2955 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2960 # ifdef _POSIX_PATH_MAX
2961 # if PATH_MAX > _POSIX_PATH_MAX
2962 /* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2963 * included the null byte or not. Later amendments of POSIX,
2964 * XPG4, the Austin Group, and the Single UNIX Specification
2965 * all explicitly include the null byte in the PATH_MAX.
2966 * Ditto for _POSIX_PATH_MAX. */
2967 # define MAXPATHLEN PATH_MAX
2969 # define MAXPATHLEN _POSIX_PATH_MAX
2972 # define MAXPATHLEN (PATH_MAX+1)
2975 # define MAXPATHLEN 1024 /* Err on the large side. */
2979 /* In case Configure was not used (we are using a "canned config"
2980 * such as Win32, or a cross-compilation setup, for example) try going
2981 * by the gcc major and minor versions. One useful URL is
2982 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2983 * but contrary to this information warn_unused_result seems
2984 * not to be in gcc 3.3.5, at least. --jhi
2985 * Also, when building extensions with an installed perl, this allows
2986 * the user to upgrade gcc and get the right attributes, rather than
2987 * relying on the list generated at Configure time. --AD
2988 * Set these up now otherwise we get confused when some of the <*thread.h>
2989 * includes below indirectly pull in <perlio.h> (which needs to know if we
2990 * have HASATTRIBUTE_FORMAT).
2994 #if defined __GNUC__ && !defined(__INTEL_COMPILER)
2995 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2996 # define HASATTRIBUTE_DEPRECATED
2998 # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2999 # define HASATTRIBUTE_FORMAT
3000 # if defined __MINGW32__
3001 # define PRINTF_FORMAT_NULL_OK
3004 # if __GNUC__ >= 3 /* 3.0 -> */
3005 # define HASATTRIBUTE_MALLOC
3007 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
3008 # define HASATTRIBUTE_NONNULL
3010 # if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
3011 # define HASATTRIBUTE_NORETURN
3013 # if __GNUC__ >= 3 /* gcc 3.0 -> */
3014 # define HASATTRIBUTE_PURE
3016 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
3017 # define HASATTRIBUTE_UNUSED
3019 # if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
3020 # define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
3022 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
3023 # define HASATTRIBUTE_WARN_UNUSED_RESULT
3026 #endif /* #ifndef PERL_MICRO */
3028 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
3029 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
3030 * this results in many functions being undeclared which bothers C++
3031 * May make sense to have threads after "*ish.h" anyway
3034 #if defined(USE_ITHREADS)
3036 # include <nw5thread.h>
3039 # include <win32thread.h>
3042 # include "os2thread.h"
3044 # ifdef I_MACH_CTHREADS
3045 # include <mach/cthreads.h>
3046 typedef cthread_t perl_os_thread;
3047 typedef mutex_t perl_mutex;
3048 typedef condition_t perl_cond;
3049 typedef void * perl_key;
3050 # else /* Posix threads */
3052 # include <pthread.h>
3054 typedef pthread_t perl_os_thread;
3055 typedef pthread_mutex_t perl_mutex;
3056 typedef pthread_cond_t perl_cond;
3057 typedef pthread_key_t perl_key;
3058 # endif /* I_MACH_CTHREADS */
3061 # endif /* NETWARE */
3062 #endif /* USE_ITHREADS */
3069 # include "netware.h"
3072 #define STATUS_UNIX PL_statusvalue
3074 # define STATUS_NATIVE PL_statusvalue_vms
3076 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
3077 * its contents can not be trusted. Unfortunately, Perl seems to check
3078 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
3081 # include <stsdef.h>
3083 /* Presume this because if VMS changes it, it will require a new
3084 * set of APIs for waiting on children for binary compatibility.
3086 # define child_offset_bits (8)
3087 # ifndef C_FAC_POSIX
3088 # define C_FAC_POSIX 0x35A000
3091 /* STATUS_EXIT - validates and returns a NATIVE exit status code for the
3092 * platform from the existing UNIX or Native status values.
3095 # define STATUS_EXIT \
3096 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
3097 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
3100 /* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
3101 * exit code and shifts the UNIX value over the correct number of bits to
3102 * be a child status. Usually the number of bits is 8, but that could be
3103 * platform dependent. The NATIVE status code is presumed to have either
3104 * from a child process.
3107 /* This is complicated. The child processes return a true native VMS
3108 status which must be saved. But there is an assumption in Perl that
3109 the UNIX child status has some relationship to errno values, so
3110 Perl tries to translate it to text in some of the tests.
3111 In order to get the string translation correct, for the error, errno
3112 must be EVMSERR, but that generates a different text message
3113 than what the test programs are expecting. So an errno value must
3114 be derived from the native status value when an error occurs.
3115 That will hide the true native status message. With this version of
3116 perl, the true native child status can always be retrieved so that
3117 is not a problem. But in this case, Pl_statusvalue and errno may
3118 have different values in them.
3121 # define STATUS_NATIVE_CHILD_SET(n) \
3123 I32 evalue = (I32)n; \
3124 if (evalue == EVMSERR) { \
3125 PL_statusvalue_vms = vaxc$errno; \
3126 PL_statusvalue = evalue; \
3128 PL_statusvalue_vms = evalue; \
3129 if (evalue == -1) { \
3130 PL_statusvalue = -1; \
3131 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
3133 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
3134 set_vaxc_errno(evalue); \
3135 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
3136 set_errno(EVMSERR); \
3137 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
3138 PL_statusvalue = PL_statusvalue << child_offset_bits; \
3142 # ifdef VMSISH_STATUS
3143 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
3145 # define STATUS_CURRENT STATUS_UNIX
3148 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
3149 * the NATIVE status to an equivalent value. Can not be used to translate
3150 * exit code values as exit code values are not guaranteed to have any
3151 * relationship at all to errno values.
3152 * This is used when Perl is forcing errno to have a specific value.
3154 # define STATUS_UNIX_SET(n) \
3156 I32 evalue = (I32)n; \
3157 PL_statusvalue = evalue; \
3158 if (PL_statusvalue != -1) { \
3159 if (PL_statusvalue != EVMSERR) { \
3160 PL_statusvalue &= 0xFFFF; \
3161 if (MY_POSIX_EXIT) \
3162 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
3163 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
3166 PL_statusvalue_vms = vaxc$errno; \
3169 else PL_statusvalue_vms = SS$_ABORT; \
3170 set_vaxc_errno(PL_statusvalue_vms); \
3173 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
3174 * the NATIVE error status based on it.
3176 * When in the default mode to comply with the Perl VMS documentation,
3177 * 0 is a success and any other code sets the NATIVE status to a failure
3178 * code of SS$_ABORT.
3180 * In the new POSIX EXIT mode, native status will be set so that the
3181 * actual exit code will can be retrieved by the calling program or
3184 * If the exit code is not clearly a UNIX parent or child exit status,
3185 * it will be passed through as a VMS status.
3188 # define STATUS_UNIX_EXIT_SET(n) \
3190 I32 evalue = (I32)n; \
3191 PL_statusvalue = evalue; \
3192 if (MY_POSIX_EXIT) { \
3193 if (evalue <= 0xFF00) { \
3194 if (evalue > 0xFF) \
3195 evalue = (evalue >> child_offset_bits) & 0xFF; \
3196 PL_statusvalue_vms = \
3197 (C_FAC_POSIX | (evalue << 3 ) | \
3198 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3199 } else /* forgive them Perl, for they have sinned */ \
3200 PL_statusvalue_vms = evalue; \
3203 PL_statusvalue_vms = SS$_NORMAL; \
3204 else if (evalue <= 0xFF00) \
3205 PL_statusvalue_vms = SS$_ABORT; \
3206 else { /* forgive them Perl, for they have sinned */ \
3207 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3208 else PL_statusvalue_vms = vaxc$errno; \
3209 /* And obviously used a VMS status value instead of UNIX */ \
3210 PL_statusvalue = EVMSERR; \
3212 set_vaxc_errno(PL_statusvalue_vms); \
3217 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3218 * and sets the NATIVE error status based on it. This special case
3219 * is needed to maintain compatibility with past VMS behavior.
3221 * In the default mode on VMS, this number is passed through as
3222 * both the NATIVE and UNIX status. Which makes it different
3223 * that the STATUS_UNIX_EXIT_SET.
3225 * In the new POSIX EXIT mode, native status will be set so that the
3226 * actual exit code will can be retrieved by the calling program or
3229 * A POSIX exit code is from 0 to 255. If the exit code is higher
3230 * than this, it needs to be assumed that it is a VMS exit code and
3234 # define STATUS_EXIT_SET(n) \
3236 I32 evalue = (I32)n; \
3237 PL_statusvalue = evalue; \
3238 if (MY_POSIX_EXIT) \
3239 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3240 PL_statusvalue_vms = \
3241 (C_FAC_POSIX | (evalue << 3 ) | \
3242 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
3244 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3245 set_vaxc_errno(PL_statusvalue_vms); \
3249 /* This macro forces a success status */
3250 # define STATUS_ALL_SUCCESS \
3251 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
3253 /* This macro forces a failure status */
3254 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3255 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3256 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
3259 # define STATUS_NATIVE PL_statusvalue_posix
3260 # if defined(WCOREDUMP)
3261 # define STATUS_NATIVE_CHILD_SET(n) \
3263 PL_statusvalue_posix = (n); \
3264 if (PL_statusvalue_posix == -1) \
3265 PL_statusvalue = -1; \
3268 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3269 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3270 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3273 # elif defined(WIFEXITED)
3274 # define STATUS_NATIVE_CHILD_SET(n) \
3276 PL_statusvalue_posix = (n); \
3277 if (PL_statusvalue_posix == -1) \
3278 PL_statusvalue = -1; \
3281 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3282 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3286 # define STATUS_NATIVE_CHILD_SET(n) \
3288 PL_statusvalue_posix = (n); \
3289 if (PL_statusvalue_posix == -1) \
3290 PL_statusvalue = -1; \
3293 PL_statusvalue_posix & 0xFFFF; \
3297 # define STATUS_UNIX_SET(n) \
3299 PL_statusvalue = (n); \
3300 if (PL_statusvalue != -1) \
3301 PL_statusvalue &= 0xFFFF; \
3303 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3304 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3305 # define STATUS_CURRENT STATUS_UNIX
3306 # define STATUS_EXIT STATUS_UNIX
3307 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3308 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3311 /* flags in PL_exit_flags for nature of exit() */
3312 #define PERL_EXIT_EXPECTED 0x01
3313 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
3314 #define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3315 #define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
3318 /* format to use for version numbers in file/directory names */
3319 /* XXX move to Configure? */
3320 /* This was only ever used for the current version, and that can be done at
3321 compile time, as PERL_FS_VERSION, so should we just delete it? */
3322 # ifndef PERL_FS_VER_FMT
3323 # define PERL_FS_VER_FMT "%d.%d.%d"
3327 #ifndef PERL_FS_VERSION
3328 # define PERL_FS_VERSION PERL_VERSION_STRING
3331 /* This defines a way to flush all output buffers. This may be a
3332 * performance issue, so we allow people to disable it. Also, if
3333 * we are using stdio, there are broken implementations of fflush(NULL)
3334 * out there, Solaris being the most prominent.
3336 #ifndef PERL_FLUSHALL_FOR_CHILD
3337 # if defined(USE_PERLIO) || defined(FFLUSH_NULL)
3338 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
3341 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
3343 # define PERL_FLUSHALL_FOR_CHILD NOOP
3348 #ifndef PERL_WAIT_FOR_CHILDREN
3349 # define PERL_WAIT_FOR_CHILDREN NOOP
3352 /* the traditional thread-unsafe notion of "current interpreter". */
3353 #ifndef PERL_SET_INTERP
3354 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3357 #ifndef PERL_GET_INTERP
3358 # define PERL_GET_INTERP (PL_curinterp)
3361 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
3362 # ifdef MULTIPLICITY
3363 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
3365 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3369 This replaces the previous %_ "hack" by the "%p" hacks.
3370 All that is required is that the perl source does not
3371 use "%-p" or "%-<number>p" or "%<number>p" formats.
3372 These formats will still work in perl code.
3373 See comments in sv.c for further details.
3375 Robin Barker 2005-07-14
3377 No longer use %1p for VDf = %vd. RMB 2007-10-19
3381 # define SVf_(n) "-" STRINGIFY(n) "p"
3389 # define SVf32 SVf_(32)
3393 # define SVf256 SVf_(256)
3396 #define SVfARG(p) ((void*)(p))
3402 /* Not ideal, but we cannot easily include a number in an already-numeric
3403 * format sequence. */
3405 # define HEKf256 "3p"
3408 #define HEKfARG(p) ((void*)(p))
3410 /* Takes three arguments: is_utf8, length, str */
3412 # define UTF8f "d%" UVuf "%4p"
3414 #define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3417 #define PNfARG(pn) (int)1, (UV)PadnameLEN(pn), (void *)PadnamePV(pn)
3420 /* not used; but needed for backward compatibility with XS code? - RMB */
3428 #ifdef HASATTRIBUTE_DEPRECATED
3429 # define __attribute__deprecated__ __attribute__((deprecated))
3431 #ifdef HASATTRIBUTE_FORMAT
3432 # define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3434 #ifdef HASATTRIBUTE_MALLOC
3435 # define __attribute__malloc__ __attribute__((__malloc__))
3437 #ifdef HASATTRIBUTE_NONNULL
3438 # define __attribute__nonnull__(a) __attribute__((nonnull(a)))
3440 #ifdef HASATTRIBUTE_NORETURN
3441 # define __attribute__noreturn__ __attribute__((noreturn))
3443 #ifdef HASATTRIBUTE_PURE
3444 # define __attribute__pure__ __attribute__((pure))
3446 #ifdef HASATTRIBUTE_UNUSED
3447 # define __attribute__unused__ __attribute__((unused))
3449 #ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
3450 # define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
3453 /* If we haven't defined the attributes yet, define them to blank. */
3454 #ifndef __attribute__deprecated__
3455 # define __attribute__deprecated__
3457 #ifndef __attribute__format__
3458 # define __attribute__format__(x,y,z)
3460 #ifndef __attribute__malloc__
3461 # define __attribute__malloc__
3463 #ifndef __attribute__nonnull__
3464 # define __attribute__nonnull__(a)
3466 #ifndef __attribute__noreturn__
3467 # define __attribute__noreturn__
3469 #ifndef __attribute__pure__
3470 # define __attribute__pure__
3472 #ifndef __attribute__unused__
3473 # define __attribute__unused__
3475 #ifndef __attribute__warn_unused_result__
3476 # define __attribute__warn_unused_result__
3480 # if !defined(DEBUGGING) && !defined(NDEBUG)
3483 # include <assert.h>
3486 /* For functions that are marked as __attribute__noreturn__, it's not
3487 appropriate to call return. In either case, include the lint directive.
3489 #ifdef HASATTRIBUTE_NORETURN
3490 # define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
3492 # define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
3495 /* Some OS warn on NULL format to printf */
3496 #ifdef PRINTF_FORMAT_NULL_OK
3497 # define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3499 # define __attribute__format__null_ok__(x,y,z)
3502 #ifdef HAS_BUILTIN_EXPECT
3503 # define EXPECT(expr,val) __builtin_expect(expr,val)
3505 # define EXPECT(expr,val) (expr)
3507 #define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3508 #define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
3509 #ifdef HAS_BUILTIN_CHOOSE_EXPR
3513 #if defined(static_assert) || (defined(__cplusplus) && __cplusplus >= 201103L)
3514 /* static_assert is a macro defined in <assert.h> in C11 or a compiler
3517 # define STATIC_ASSERT_GLOBAL(COND) static_assert(COND, #COND)
3519 /* We use a bit-field instead of an array because gcc accepts
3520 'typedef char x[n]' where n is not a compile-time constant.
3521 We want to enforce constantness.
3523 # define STATIC_ASSERT_2(COND, SUFFIX) \
3525 unsigned int _static_assertion_failed_##SUFFIX : (COND) ? 1 : -1; \
3526 } _static_assertion_failed_##SUFFIX PERL_UNUSED_DECL
3527 # define STATIC_ASSERT_1(COND, SUFFIX) STATIC_ASSERT_2(COND, SUFFIX)
3528 # define STATIC_ASSERT_GLOBAL(COND) STATIC_ASSERT_1(COND, __LINE__)
3530 /* We need this wrapper even in C11 because 'case X: static_assert(...);' is an
3531 error (static_assert is a declaration, and only statements can have labels).
3533 #define STATIC_ASSERT_STMT(COND) do { STATIC_ASSERT_GLOBAL(COND); } while (0)
3535 #ifndef __has_builtin
3536 # define __has_builtin(x) 0 /* not a clang style compiler */
3539 /* ASSUME is like assert(), but it has a benefit in a release build. It is a
3540 hint to a compiler about a statement of fact in a function call free
3541 expression, which allows the compiler to generate better machine code.
3542 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3543 the control path is unreachable. In a for loop, ASSUME can be used to hint
3544 that a loop will run at least X times. ASSUME is based off MSVC's __assume
3545 intrinsic function, see its documents for more details.
3549 # if __has_builtin(__builtin_unreachable) \
3550 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4) /* 4.5 -> */
3551 # define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3552 # elif defined(_MSC_VER)
3553 # define ASSUME(x) __assume(x)
3554 # elif defined(__ARMCC_VERSION) /* untested */
3555 # define ASSUME(x) __promise(x)
3557 /* a random compiler might define assert to its own special optimization token
3558 so pass it through to C lib as a last resort */
3559 # define ASSUME(x) assert(x)
3562 # define ASSUME(x) assert(x)
3565 #define NOT_REACHED ASSUME(0)
3567 /* Some unistd.h's give a prototype for pause() even though
3568 HAS_PAUSE ends up undefined. This causes the #define
3569 below to be rejected by the compiler. Sigh.
3574 #define Pause() sleep((32767<<16)+32767)
3578 # ifdef IOCPARM_MASK
3579 /* on BSDish systems we're safe */
3580 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3582 # if defined(_IOC_SIZE) && defined(__GLIBC__)
3583 /* on Linux systems we're safe; except when we're not [perl #38223] */
3584 # define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
3586 /* otherwise guess at what's safe */
3587 # define IOCPARM_LEN(x) 256
3592 #if defined(__CYGWIN__)
3594 * This symbol, if defined, indicates that the program should
3595 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
3596 * that a file is in "binary" mode -- that is, that no translation
3597 * of bytes occurs on read or write operations.
3599 # define USEMYBINMODE /**/
3600 # include <io.h> /* for setmode() prototype */
3601 # define my_binmode(fp, iotype, mode) \
3602 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
3606 void init_os_extras(void);
3609 #ifdef UNION_ANY_DEFINITION
3610 UNION_ANY_DEFINITION;
3620 void (*any_dptr) (void*);
3621 void (*any_dxptr) (pTHX_ void*);
3625 typedef I32 (*filter_t) (pTHX_ int, SV *, int);
3627 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3628 #define FILTER_DATA(idx) \
3629 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3630 #define FILTER_ISREADER(idx) \
3631 (PL_parser && PL_parser->rsfp_filters \
3632 && idx >= AvFILLp(PL_parser->rsfp_filters))
3633 #define PERL_FILTER_EXISTS(i) \
3634 (PL_parser && PL_parser->rsfp_filters \
3635 && (i) <= av_tindex(PL_parser->rsfp_filters))
3637 #if defined(_AIX) && !defined(_AIX43)
3638 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3639 /* We cannot include <crypt.h> to get the struct crypt_data
3640 * because of setkey prototype problems when threading */
3641 typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3642 /* From OSF, Not needed in AIX
3650 #endif /* threading */
3654 # include "iperlsys.h"
3657 #ifdef __LIBCATAMOUNT__
3658 #undef HAS_PASSWD /* unixish.h but not unixish enough. */
3660 #define FAKE_BIT_BUCKET
3663 /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3664 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3665 * defined by Configure, despite their names being similar to the
3666 * other defines like USE_ITHREADS. Configure in fact knows nothing
3667 * about the randomised hashes. Therefore to enable/disable the hash
3668 * randomisation defines use the Configure -Accflags=... instead. */
3669 #if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
3670 # define USE_HASH_SEED
3673 /* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3674 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3675 * it's not really needed.
3678 # define YYTOKENTYPE
3683 /* macros to define bit-fields in structs. */
3684 #ifndef PERL_BITFIELD8
3685 # define PERL_BITFIELD8 unsigned
3687 #ifndef PERL_BITFIELD16
3688 # define PERL_BITFIELD16 unsigned
3690 #ifndef PERL_BITFIELD32
3691 # define PERL_BITFIELD32 unsigned
3701 #include "opnames.h"
3708 #include "warnings.h"
3711 /* these would be in doio.h if there was such a file */
3712 #define my_stat() my_stat_flags(SV_GMAGIC)
3713 #define my_lstat() my_lstat_flags(SV_GMAGIC)
3715 /* defined in sv.c, but also used in [ach]v.c */
3718 #undef _XPVCV_COMMON
3720 typedef struct _sublex_info SUBLEXINFO;
3721 struct _sublex_info {
3722 U8 super_state; /* lexer state to save */
3723 U16 sub_inwhat; /* "lex_inwhat" to use */
3724 OP *sub_op; /* "lex_op" to use */
3725 SV *repl; /* replacement of s/// or y/// */
3730 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
3732 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3734 /* These have to be predeclared, as they are used in proto.h which is #included
3735 * before their definitions in regcomp.h. */
3738 typedef struct regnode_charclass regnode_charclass;
3740 struct regnode_charclass_class;
3742 /* A hopefully less confusing name. The sub-classes are all Posix classes only
3743 * used under /l matching */
3744 typedef struct regnode_charclass_class regnode_charclass_posixl;
3746 typedef struct regnode_ssc regnode_ssc;
3747 typedef struct RExC_state_t RExC_state_t;
3748 struct _reg_trie_data;
3752 struct ptr_tbl_ent {
3753 struct ptr_tbl_ent* next;
3759 struct ptr_tbl_ent** tbl_ary;
3762 struct ptr_tbl_arena *tbl_arena;
3763 struct ptr_tbl_ent *tbl_arena_next;
3764 struct ptr_tbl_ent *tbl_arena_end;
3767 #if defined(htonl) && !defined(HAS_HTONL)
3770 #if defined(htons) && !defined(HAS_HTONS)
3773 #if defined(ntohl) && !defined(HAS_NTOHL)
3776 #if defined(ntohs) && !defined(HAS_NTOHS)
3784 # if (BYTEORDER & 0xffff) == 0x4321
3785 /* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3786 re-order their values. However, to behave identically to the alternative
3787 implementations, they should truncate to the correct size. */
3788 # define ntohl(x) ((x)&0xFFFFFFFF)
3789 # define htonl(x) ntohl(x)
3790 # define ntohs(x) ((x)&0xFFFF)
3791 # define htons(x) ntohs(x)
3792 # elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3794 /* Note that we can't straight out declare our own htonl and htons because
3795 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3796 to avoid the overhead of initialising the socket subsystem, but the headers
3797 that *declare* the various functions are still seen. If we declare our own
3798 htonl etc they will clash with the declarations in the Win32 headers. */
3800 PERL_STATIC_INLINE U32
3801 my_swap32(const U32 x) {
3802 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3803 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3806 PERL_STATIC_INLINE U16
3807 my_swap16(const U16 x) {
3808 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3811 # define htonl(x) my_swap32(x)
3812 # define ntohl(x) my_swap32(x)
3813 # define ntohs(x) my_swap16(x)
3814 # define htons(x) my_swap16(x)
3816 # error "Unsupported byteorder"
3817 /* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3818 the error message. Please check the value of the macro BYTEORDER, as defined
3819 in config.h. The values of BYTEORDER we expect are
3821 big endian little endian
3822 32 bit 0x4321 0x1234
3823 64 bit 0x87654321 0x12345678
3825 If you have a system with a different byte order, please see
3826 pod/perlhack.pod for how to submit a patch to add supporting code.
3832 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3835 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3836 /* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3837 re-order their values. However, to behave identically to the alternative
3838 implementations, they should truncate to the correct size. */
3839 # define vtohl(x) ((x)&0xFFFFFFFF)
3840 # define vtohs(x) ((x)&0xFFFF)
3841 # define htovl(x) vtohl(x)
3842 # define htovs(x) vtohs(x)
3843 #elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
3844 # define vtohl(x) ((((x)&0xFF)<<24) \
3846 +(((x)&0x0000FF00)<<8) \
3847 +(((x)&0x00FF0000)>>8) )
3848 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3849 # define htovl(x) vtohl(x)
3850 # define htovs(x) vtohs(x)
3852 # error "Unsupported byteorder"
3853 /* If you have need for current perl on PDP-11 or similar, and can help test
3854 that blead keeps working on a mixed-endian system, then see
3855 pod/perlhack.pod for how to submit patches to things working again. */
3858 /* *MAX Plus 1. A floating point value.
3859 Hopefully expressed in a way that dodgy floating point can't mess up.
3860 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3862 May find that some broken compiler will want the value cast to I32.
3863 [after the shift, as signed >> may not be as secure as unsigned >>]
3865 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3866 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3867 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3868 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3869 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3871 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
3873 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3874 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3875 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3877 /* This may look like unnecessary jumping through hoops, but converting
3878 out of range floating point values to integers *is* undefined behaviour,
3879 and it is starting to bite.
3882 #define I_32(what) (cast_i32((NV)(what)))
3883 #define U_32(what) (cast_ulong((NV)(what)))
3884 #define I_V(what) (cast_iv((NV)(what)))
3885 #define U_V(what) (cast_uv((NV)(what)))
3887 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3888 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3889 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3890 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3891 : ((n) < U32_MAX_P1 ? (U32) (n) \
3892 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3893 #define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3894 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3895 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3896 #define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3897 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3898 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3901 #define U_S(what) ((U16)U_32(what))
3902 #define U_I(what) ((unsigned int)U_32(what))
3903 #define U_L(what) U_32(what)
3906 # define Perl_signbit signbit
3909 /* These do not care about the fractional part, only about the range. */
3910 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
3911 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
3913 /* Used with UV/IV arguments: */
3914 /* XXXX: need to speed it up */
3915 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3916 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3923 #if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
3924 Uid_t getuid (void);
3925 Uid_t geteuid (void);
3926 Gid_t getgid (void);
3927 Gid_t getegid (void);
3931 #ifndef Perl_debug_log
3932 # define Perl_debug_log PerlIO_stderr()
3935 #ifndef Perl_error_log
3936 # define Perl_error_log (PL_stderrgv \
3937 && isGV(PL_stderrgv) \
3938 && GvIOp(PL_stderrgv) \
3939 && IoOFP(GvIOp(PL_stderrgv)) \
3940 ? IoOFP(GvIOp(PL_stderrgv)) \
3945 #define DEBUG_p_FLAG 0x00000001 /* 1 */
3946 #define DEBUG_s_FLAG 0x00000002 /* 2 */
3947 #define DEBUG_l_FLAG 0x00000004 /* 4 */
3948 #define DEBUG_t_FLAG 0x00000008 /* 8 */
3949 #define DEBUG_o_FLAG 0x00000010 /* 16 */
3950 #define DEBUG_c_FLAG 0x00000020 /* 32 */
3951 #define DEBUG_P_FLAG 0x00000040 /* 64 */
3952 #define DEBUG_m_FLAG 0x00000080 /* 128 */
3953 #define DEBUG_f_FLAG 0x00000100 /* 256 */
3954 #define DEBUG_r_FLAG 0x00000200 /* 512 */
3955 #define DEBUG_x_FLAG 0x00000400 /* 1024 */
3956 #define DEBUG_u_FLAG 0x00000800 /* 2048 */
3957 /* U is reserved for Unofficial, exploratory hacking */
3958 #define DEBUG_U_FLAG 0x00001000 /* 4096 */
3959 #define DEBUG_H_FLAG 0x00002000 /* 8192 */
3960 #define DEBUG_X_FLAG 0x00004000 /* 16384 */
3961 #define DEBUG_D_FLAG 0x00008000 /* 32768 */
3962 #define DEBUG_S_FLAG 0x00010000 /* 65536 */
3963 #define DEBUG_T_FLAG 0x00020000 /* 131072 */
3964 #define DEBUG_R_FLAG 0x00040000 /* 262144 */
3965 #define DEBUG_J_FLAG 0x00080000 /* 524288 */
3966 #define DEBUG_v_FLAG 0x00100000 /*1048576 */
3967 #define DEBUG_C_FLAG 0x00200000 /*2097152 */
3968 #define DEBUG_A_FLAG 0x00400000 /*4194304 */
3969 #define DEBUG_q_FLAG 0x00800000 /*8388608 */
3970 #define DEBUG_M_FLAG 0x01000000 /*16777216*/
3971 #define DEBUG_B_FLAG 0x02000000 /*33554432*/
3972 #define DEBUG_L_FLAG 0x04000000 /*67108864*/
3973 #define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
3975 #define DEBUG_DB_RECURSE_FLAG 0x40000000
3976 #define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3977 that something was done? */
3979 # define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3980 # define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3981 # define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3982 # define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3983 # define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3984 # define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3985 # define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3986 # define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3987 # define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3988 # define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3989 # define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3990 # define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
3991 # define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
3992 # define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3993 # define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3994 # define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3995 # define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3996 # define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3997 # define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
3998 # define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
3999 # define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
4000 # define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
4001 # define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
4002 # define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
4003 # define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
4004 # define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
4005 # define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
4006 # define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
4007 # define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
4008 # define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
4012 # define DEBUG_p_TEST DEBUG_p_TEST_
4013 # define DEBUG_s_TEST DEBUG_s_TEST_
4014 # define DEBUG_l_TEST DEBUG_l_TEST_
4015 # define DEBUG_t_TEST DEBUG_t_TEST_
4016 # define DEBUG_o_TEST DEBUG_o_TEST_
4017 # define DEBUG_c_TEST DEBUG_c_TEST_
4018 # define DEBUG_P_TEST DEBUG_P_TEST_
4019 # define DEBUG_m_TEST DEBUG_m_TEST_
4020 # define DEBUG_f_TEST DEBUG_f_TEST_
4021 # define DEBUG_r_TEST DEBUG_r_TEST_
4022 # define DEBUG_x_TEST DEBUG_x_TEST_
4023 # define DEBUG_u_TEST DEBUG_u_TEST_
4024 # define DEBUG_U_TEST DEBUG_U_TEST_
4025 # define DEBUG_H_TEST DEBUG_H_TEST_
4026 # define DEBUG_X_TEST DEBUG_X_TEST_
4027 # define DEBUG_D_TEST DEBUG_D_TEST_
4028 # define DEBUG_S_TEST DEBUG_S_TEST_
4029 # define DEBUG_T_TEST DEBUG_T_TEST_
4030 # define DEBUG_R_TEST DEBUG_R_TEST_
4031 # define DEBUG_J_TEST DEBUG_J_TEST_
4032 # define DEBUG_v_TEST DEBUG_v_TEST_
4033 # define DEBUG_C_TEST DEBUG_C_TEST_
4034 # define DEBUG_A_TEST DEBUG_A_TEST_
4035 # define DEBUG_q_TEST DEBUG_q_TEST_
4036 # define DEBUG_M_TEST DEBUG_M_TEST_
4037 # define DEBUG_B_TEST DEBUG_B_TEST_
4038 # define DEBUG_L_TEST DEBUG_L_TEST_
4039 # define DEBUG_Xv_TEST DEBUG_Xv_TEST_
4040 # define DEBUG_Uv_TEST DEBUG_Uv_TEST_
4041 # define DEBUG_Pv_TEST DEBUG_Pv_TEST_
4043 # define PERL_DEB(a) a
4044 # define PERL_DEB2(a,b) a
4045 # define PERL_DEBUG(a) if (PL_debug) a
4046 # define DEBUG_p(a) if (DEBUG_p_TEST) a
4047 # define DEBUG_s(a) if (DEBUG_s_TEST) a
4048 # define DEBUG_l(a) if (DEBUG_l_TEST) a
4049 # define DEBUG_t(a) if (DEBUG_t_TEST) a
4050 # define DEBUG_o(a) if (DEBUG_o_TEST) a
4051 # define DEBUG_c(a) if (DEBUG_c_TEST) a
4052 # define DEBUG_P(a) if (DEBUG_P_TEST) a
4054 /* Temporarily turn off memory debugging in case the a
4055 * does memory allocation, either directly or indirectly. */
4056 # define DEBUG_m(a) \
4058 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
4061 # define DEBUG__(t, a) \
4063 if (t) STMT_START {a;} STMT_END; \
4066 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
4067 #ifndef PERL_EXT_RE_BUILD
4068 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
4070 # define DEBUG_r(a) STMT_START {a;} STMT_END
4071 #endif /* PERL_EXT_RE_BUILD */
4072 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
4073 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
4074 # define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
4075 # define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
4076 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
4077 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
4078 # define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
4079 # define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
4080 # define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
4082 # define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
4083 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
4084 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
4085 # define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
4086 # define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
4087 # define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
4088 # define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
4089 # define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
4090 # define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
4091 # define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
4093 #else /* DEBUGGING */
4095 # define DEBUG_p_TEST (0)
4096 # define DEBUG_s_TEST (0)
4097 # define DEBUG_l_TEST (0)
4098 # define DEBUG_t_TEST (0)
4099 # define DEBUG_o_TEST (0)
4100 # define DEBUG_c_TEST (0)
4101 # define DEBUG_P_TEST (0)
4102 # define DEBUG_m_TEST (0)
4103 # define DEBUG_f_TEST (0)
4104 # define DEBUG_r_TEST (0)
4105 # define DEBUG_x_TEST (0)
4106 # define DEBUG_u_TEST (0)
4107 # define DEBUG_U_TEST (0)
4108 # define DEBUG_H_TEST (0)
4109 # define DEBUG_X_TEST (0)
4110 # define DEBUG_D_TEST (0)
4111 # define DEBUG_S_TEST (0)
4112 # define DEBUG_T_TEST (0)
4113 # define DEBUG_R_TEST (0)
4114 # define DEBUG_J_TEST (0)
4115 # define DEBUG_v_TEST (0)
4116 # define DEBUG_C_TEST (0)
4117 # define DEBUG_A_TEST (0)
4118 # define DEBUG_q_TEST (0)
4119 # define DEBUG_M_TEST (0)
4120 # define DEBUG_B_TEST (0)
4121 # define DEBUG_L_TEST (0)
4122 # define DEBUG_Xv_TEST (0)
4123 # define DEBUG_Uv_TEST (0)
4124 # define DEBUG_Pv_TEST (0)
4126 # define PERL_DEB(a)
4127 # define PERL_DEB2(a,b) b
4128 # define PERL_DEBUG(a)
4155 # define DEBUG_Xv(a)
4156 # define DEBUG_Uv(a)
4157 # define DEBUG_Pv(a)
4158 #endif /* DEBUGGING */
4161 #define DEBUG_SCOPE(where) \
4163 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
4164 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
4165 __FILE__, __LINE__));
4167 /* Keep the old croak based assert for those who want it, and as a fallback if
4168 the platform is so heretically non-ANSI that it can't assert. */
4170 #define Perl_assert(what) PERL_DEB2( \
4171 ((what) ? ((void) 0) : \
4172 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
4173 "\", line %d", STRINGIFY(what), __LINE__), \
4174 (void) 0)), ((void)0))
4176 /* assert() gets defined if DEBUGGING (and I_ASSERT).
4177 * If no DEBUGGING, the <assert.h> has not been included. */
4179 # define assert(what) Perl_assert(what)
4182 # define assert_(what) assert(what),
4184 # define assert_(what)
4188 I32 (*uf_val)(pTHX_ IV, SV*);
4189 I32 (*uf_set)(pTHX_ IV, SV*);
4193 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
4194 * XS code wanting to be backward compatible can do something
4195 * like the following:
4197 #ifndef PERL_MG_UFUNC
4198 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
4201 static PERL_MG_UFUNC(foo_get, index, val)
4211 #ifndef PERL_MG_UFUNC
4212 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
4215 /* Fix these up for __STDC__ */
4216 #ifndef DONT_DECLARE_STD
4217 char *mktemp (char*);
4219 double atof (const char*);
4224 /* All of these are in stdlib.h or time.h for ANSI C */
4226 struct tm *gmtime(), *localtime();
4228 char *(strchr)(), *(strrchr)();
4229 char *(strcpy)(), *(strcat)();
4231 char *strchr(), *strrchr();
4232 char *strcpy(), *strcat();
4234 #endif /* ! STANDARD_C */
4240 /* isfinite and others are here rather than in math.h as C99 stipulates */
4245 double exp (double);
4246 double log (double);
4247 double log10 (double);
4248 double sqrt (double);
4249 double frexp (double,int*);
4250 double ldexp (double,int);
4251 double modf (double,double*);
4252 double sin (double);
4253 double cos (double);
4254 double atan2 (double,double);
4255 double pow (double,double);
4260 # if !defined(NV_INF) && defined(HUGE_VAL)
4261 # define NV_INF HUGE_VAL
4263 /* For WIN32 the best NV_NAN is the __PL_nan_u trick, see below.
4264 * There is no supported way of getting the NAN across all the crts. */
4267 /* If you are thinking of using HUGE_VAL for infinity, or using
4268 * <math.h> functions to generate NV_INF (e.g. exp(1e9), log(-1.0)),
4269 * stop. Neither will work portably: HUGE_VAL can be just DBL_MAX,
4270 * and the math functions might be just generating DBL_MAX, or even
4273 #if !defined(NV_INF) && defined(USE_LONG_DOUBLE)
4274 # if !defined(NV_INF) && defined(LDBL_INFINITY)
4275 # define NV_INF LDBL_INFINITY
4277 # if !defined(NV_INF) && defined(INFINITYL)
4278 # define NV_INF INFINITYL
4281 #if !defined(NV_INF) && defined(DBL_INFINITY)
4282 # define NV_INF (NV)DBL_INFINITY
4284 #if !defined(NV_INF) && defined(INFINITY)
4285 # define NV_INF (NV)INFINITY
4287 #if !defined(NV_INF) && defined(INF)
4288 # define NV_INF (NV)INF
4290 #if !defined(NV_INF)
4292 /* At this point we assume the IEEE 754 floating point (and of course,
4293 * we also assume a floating point format that can encode an infinity).
4294 * We will coerce an int32 (which will encode the infinity) into
4295 * a 32-bit float, which will then be cast into NV.
4297 * Note that we intentionally use a float and 32-bit int, instead of
4298 * shifting a small integer into a full IV, and from that into a full
4301 * (1) an IV might not be wide enough to cover all the bits of an NV.
4302 * (2) the exponent part (including the infinity and nan bits) of a NV
4303 * might be wider than just 16 bits.
4305 * Below the NV_NAN logic has similar __PL_nan_u fallback, the only
4306 * difference being the int32 constant being coerced. */
4307 # define __PL_inf_float_int32 0x7F800000
4308 static const union { unsigned int __i; float __f; } __PL_inf_u =
4309 { __PL_inf_float_int32 };
4310 # define NV_INF ((NV)(__PL_inf_u.__f))
4313 #if !defined(NV_INF)
4314 # define NV_INF ((NV)1.0/0.0) /* Some compilers will warn. */
4317 #if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
4318 # if !defined(NV_NAN) && defined(LDBL_NAN)
4319 # define NV_NAN LDBL_NAN
4321 # if !defined(NV_NAN) && defined(NANL)
4322 # define NV_NAN NANL
4324 # if !defined(NV_NAN) && defined(LDBL_QNAN)
4325 # define NV_NAN LDBL_QNAN
4326 # define NV_QNAN LDBL_QNAN
4328 # if !defined(NV_NAN) && defined(LDBL_SNAN)
4329 # define NV_NAN LDBL_SNAN
4330 # define NV_SNAN LDBL_SNAN
4333 #if !defined(NV_NAN) && defined(DBL_NAN)
4334 # define NV_NAN (NV)DBL_NAN
4336 #if !defined(NV_NAN) && defined(DBL_QNAN)
4337 # define NV_NAN (NV)DBL_QNAN
4338 # define NV_QNAN DBL_QNAN
4340 #if !defined(NV_NAN) && defined(DBL_SNAN)
4341 # define NV_NAN (NV)DBL_SNAN
4342 # define NV_SNAN DBL_QNAN
4344 #if !defined(NV_NAN) && defined(NAN)
4345 # define NV_NAN (NV)NAN
4347 #if !defined(NV_NAN) && defined(QNAN)
4348 # define NV_NAN (NV)QNAN
4350 #if !defined(NV_NAN) && defined(SNAN)
4351 # define NV_NAN (NV)SNAN
4353 #if !defined(NV_NAN) && defined(I_SUNMATH)
4354 # define NV_NAN (NV)quiet_nan()
4355 # define NV_QNAN (NV)quiet_nan()
4356 # define NV_SNAN (NV)signaling_nan()
4358 #if !defined(NV_NAN)
4360 /* See the discussion near __PL_inf_u. */
4361 # define __PL_nan_float_int32 0x7FC00000
4362 static const union { unsigned int __i; float __f; } __PL_nan_u =
4363 { __PL_nan_float_int32 };
4364 # define NV_NAN ((NV)(__PL_nan_u.__f))
4367 #if !defined(NV_NAN)
4368 # define NV_NAN ((NV)0.0/0.0) /* Some compilers will warn. */
4370 /* Do NOT try doing NV_NAN based on NV_INF and trying (NV_INF-NV_INF).
4371 * Though IEEE-754-logically correct, some compilers (like Visual C 2003)
4372 * falsely misoptimize that to zero (x-x is zero, right?) */
4375 # if !defined(WIN32) && !defined(VMS)
4377 char *crypt (const char*, const char*);
4379 # endif /* !WIN32 */
4380 # ifndef DONT_DECLARE_STD
4382 char *getenv (const char*);
4383 # endif /* !getenv */
4384 # if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
4385 # ifdef _FILE_OFFSET_BITS
4386 # if _FILE_OFFSET_BITS == 64
4387 Off_t lseek (int,Off_t,int);
4391 # endif /* !DONT_DECLARE_STD */
4394 char *getlogin (void);
4396 # endif /* !WIN32 */
4397 #endif /* !__cplusplus */
4399 /* Fixme on VMS. This needs to be a run-time, not build time options */
4400 /* Also rename() is affected by this */
4401 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
4402 #define UNLINK unlnk
4403 I32 unlnk (pTHX_ const char*);
4405 #define UNLINK PerlLIO_unlink
4408 /* some versions of glibc are missing the setresuid() proto */
4409 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
4410 int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4412 /* some versions of glibc are missing the setresgid() proto */
4413 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
4414 int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4417 #ifndef HAS_SETREUID
4418 # ifdef HAS_SETRESUID
4419 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4420 # define HAS_SETREUID
4423 #ifndef HAS_SETREGID
4424 # ifdef HAS_SETRESGID
4425 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4426 # define HAS_SETREGID
4430 /* Sighandler_t defined in iperlsys.h */
4432 #ifdef HAS_SIGACTION
4433 typedef struct sigaction Sigsave_t;
4435 typedef Sighandler_t Sigsave_t;
4446 # define RUNOPS_DEFAULT Perl_runops_debug
4448 # define RUNOPS_DEFAULT Perl_runops_standard
4451 #if defined(USE_PERLIO)
4452 EXTERN_C void PerlIO_teardown(void);
4453 # ifdef USE_ITHREADS
4454 # define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4455 # define PERLIO_TERM \
4457 PerlIO_teardown(); \
4458 MUTEX_DESTROY(&PL_perlio_mutex);\
4461 # define PERLIO_INIT
4462 # define PERLIO_TERM PerlIO_teardown()
4465 # define PERLIO_INIT
4466 # define PERLIO_TERM
4470 # ifdef MUTEX_INIT_CALLS_MALLOC
4471 # define MALLOC_INIT \
4473 PL_malloc_mutex = NULL; \
4474 MUTEX_INIT(&PL_malloc_mutex); \
4476 # define MALLOC_TERM \
4478 perl_mutex tmp = PL_malloc_mutex; \
4479 PL_malloc_mutex = NULL; \
4480 MUTEX_DESTROY(&tmp); \
4483 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4484 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4487 # define MALLOC_INIT
4488 # define MALLOC_TERM
4491 #if defined(PERL_IMPLICIT_CONTEXT)
4493 struct perl_memory_debug_header;
4494 struct perl_memory_debug_header {
4496 # if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
4499 struct perl_memory_debug_header *prev;
4500 struct perl_memory_debug_header *next;
4501 # ifdef PERL_DEBUG_READONLY_COW
4506 #elif defined(PERL_DEBUG_READONLY_COW)
4508 struct perl_memory_debug_header;
4509 struct perl_memory_debug_header {
4515 #if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
4517 # define PERL_MEMORY_DEBUG_HEADER_SIZE \
4518 (sizeof(struct perl_memory_debug_header) + \
4519 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4520 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4523 # define PERL_MEMORY_DEBUG_HEADER_SIZE 0
4526 #ifdef PERL_TRACK_MEMPOOL
4527 # ifdef PERL_DEBUG_READONLY_COW
4528 # define INIT_TRACK_MEMPOOL(header, interp) \
4530 (header).interpreter = (interp); \
4531 (header).prev = (header).next = &(header); \
4532 (header).readonly = 0; \
4535 # define INIT_TRACK_MEMPOOL(header, interp) \
4537 (header).interpreter = (interp); \
4538 (header).prev = (header).next = &(header); \
4542 # define INIT_TRACK_MEMPOOL(header, interp)
4545 #ifdef I_MALLOCMALLOC
4546 /* Needed for malloc_size(), malloc_good_size() on some systems */
4547 # include <malloc/malloc.h>
4551 # define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
4553 # if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
4554 # ifdef PERL_TRACK_MEMPOOL
4555 # define Perl_safesysmalloc_size(where) \
4556 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4558 # define Perl_safesysmalloc_size(where) malloc_size(where)
4561 # ifdef HAS_MALLOC_GOOD_SIZE
4562 # ifdef PERL_TRACK_MEMPOOL
4563 # define Perl_malloc_good_size(how_much) \
4564 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4566 # define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4569 /* Having this as the identity operation makes some code simpler. */
4570 # define Perl_malloc_good_size(how_much) (how_much)
4574 typedef int (*runops_proc_t)(pTHX);
4575 typedef void (*share_proc_t) (pTHX_ SV *sv);
4576 typedef int (*thrhook_proc_t) (pTHX);
4577 typedef OP* (*PPADDR_t[]) (pTHX);
4578 typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4579 typedef void (*despatch_signals_proc_t) (pTHX);
4581 #if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4582 # include <crt_externs.h> /* for the env array */
4583 # define environ (*_NSGetEnviron())
4585 /* VMS and some other platforms don't use the environ array */
4586 # ifdef USE_ENVIRON_ARRAY
4587 # if !defined(DONT_DECLARE_STD) || \
4588 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
4590 extern char ** environ; /* environment variables supplied via exec */
4595 #define PERL_PATCHLEVEL_H_IMPLICIT
4596 #include "patchlevel.h"
4597 #undef PERL_PATCHLEVEL_H_IMPLICIT
4599 #define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4600 STRINGIFY(PERL_VERSION) "." \
4601 STRINGIFY(PERL_SUBVERSION)
4603 #define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4604 STRINGIFY(PERL_API_VERSION) "." \
4605 STRINGIFY(PERL_API_SUBVERSION)
4609 /* handy constants */
4610 EXTCONST char PL_warn_uninit[]
4611 INIT("Use of uninitialized value%s%s%s");
4612 EXTCONST char PL_warn_uninit_sv[]
4613 INIT("Use of uninitialized value%" SVf "%s%s");
4614 EXTCONST char PL_warn_nosemi[]
4615 INIT("Semicolon seems to be missing");
4616 EXTCONST char PL_warn_reserved[]
4617 INIT("Unquoted string \"%s\" may clash with future reserved word");
4618 EXTCONST char PL_warn_nl[]
4619 INIT("Unsuccessful %s on filename containing newline");
4620 EXTCONST char PL_no_wrongref[]
4621 INIT("Can't use %s ref as %s ref");
4622 /* The core no longer needs this here. If you require the string constant,
4623 please inline a copy into your own code. */
4624 EXTCONST char PL_no_symref[] __attribute__deprecated__
4625 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
4626 EXTCONST char PL_no_symref_sv[]
4627 INIT("Can't use string (\"%" SVf32 "\"%s) as %s ref while \"strict refs\" in use");
4629 EXTCONST char PL_no_usym[]
4630 INIT("Can't use an undefined value as %s reference");
4631 EXTCONST char PL_no_aelem[]
4632 INIT("Modification of non-creatable array value attempted, subscript %d");
4633 EXTCONST char PL_no_helem_sv[]
4634 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
4635 EXTCONST char PL_no_modify[]
4636 INIT("Modification of a read-only value attempted");
4637 EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
4638 INIT("Out of memory!\n");
4639 EXTCONST char PL_no_security[]
4640 INIT("Insecure dependency in %s%s");
4641 EXTCONST char PL_no_sock_func[]
4642 INIT("Unsupported socket function \"%s\" called");
4643 EXTCONST char PL_no_dir_func[]
4644 INIT("Unsupported directory function \"%s\" called");
4645 EXTCONST char PL_no_func[]
4646 INIT("The %s function is unimplemented");
4647 EXTCONST char PL_no_myglob[]
4648 INIT("\"%s\" %se %s can't be in a package");
4649 EXTCONST char PL_no_localize_ref[]
4650 INIT("Can't localize through a reference");
4651 EXTCONST char PL_memory_wrap[]
4652 INIT("panic: memory wrap");
4654 EXTCONST char PL_Yes[]
4656 EXTCONST char PL_No[]
4658 EXTCONST char PL_hexdigit[]
4659 INIT("0123456789abcdef0123456789ABCDEF");
4661 /* This is constant on most architectures, a global on OS/2 */
4663 EXTCONST char PL_sh_path[]
4664 INIT(SH_PATH); /* full path of shell */
4668 EXTCONST char PL_cshname[]
4670 # define PL_cshlen (sizeof(CSH "") - 1)
4673 /* These are baked at compile time into any shared perl library.
4674 In future releases this will allow us in main() to sanity test the
4675 library we're linking against. */
4677 EXTCONST U8 PL_revision
4678 INIT(PERL_REVISION);
4679 EXTCONST U8 PL_version
4681 EXTCONST U8 PL_subversion
4682 INIT(PERL_SUBVERSION);
4684 EXTCONST char PL_uuemap[65]
4685 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4688 EXTCONST char PL_uudmap[256] =
4690 # include "uuudmap.h"
4692 # include "uudmap.h"
4695 EXTCONST char PL_bitcount[256] =
4697 # include "ubitcount.h"
4699 # include "bitcount.h"
4702 EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4703 EXTCONST int PL_sig_num[] = { SIG_NUM };
4705 EXTCONST char PL_uudmap[256];
4706 EXTCONST char PL_bitcount[256];
4707 EXTCONST char* const PL_sig_name[];
4708 EXTCONST int PL_sig_num[];
4711 /* fast conversion and case folding tables. The folding tables complement the
4712 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4713 * folds such as outside the range or to multiple characters. */
4718 /* The EBCDIC fold table depends on the code page, and hence is found in
4721 EXTCONST unsigned char PL_fold[] = {
4722 0, 1, 2, 3, 4, 5, 6, 7,
4723 8, 9, 10, 11, 12, 13, 14, 15,
4724 16, 17, 18, 19, 20, 21, 22, 23,
4725 24, 25, 26, 27, 28, 29, 30, 31,
4726 32, 33, 34, 35, 36, 37, 38, 39,
4727 40, 41, 42, 43, 44, 45, 46, 47,
4728 48, 49, 50, 51, 52, 53, 54, 55,
4729 56, 57, 58, 59, 60, 61, 62, 63,
4730 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4731 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4732 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4733 'x', 'y', 'z', 91, 92, 93, 94, 95,
4734 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4735 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4736 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4737 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4738 128, 129, 130, 131, 132, 133, 134, 135,
4739 136, 137, 138, 139, 140, 141, 142, 143,
4740 144, 145, 146, 147, 148, 149, 150, 151,
4741 152, 153, 154, 155, 156, 157, 158, 159,
4742 160, 161, 162, 163, 164, 165, 166, 167,
4743 168, 169, 170, 171, 172, 173, 174, 175,
4744 176, 177, 178, 179, 180, 181, 182, 183,
4745 184, 185, 186, 187, 188, 189, 190, 191,
4746 192, 193, 194, 195, 196, 197, 198, 199,
4747 200, 201, 202, 203, 204, 205, 206, 207,
4748 208, 209, 210, 211, 212, 213, 214, 215,
4749 216, 217, 218, 219, 220, 221, 222, 223,
4750 224, 225, 226, 227, 228, 229, 230, 231,
4751 232, 233, 234, 235, 236, 237, 238, 239,
4752 240, 241, 242, 243, 244, 245, 246, 247,
4753 248, 249, 250, 251, 252, 253, 254, 255
4755 EXTCONST unsigned char PL_fold_latin1[] = {
4756 /* Full latin1 complement folding, except for three problematic code points:
4757 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4758 * fold complements outside the Latin1 range, so can't match something
4759 * that isn't in utf8.
4760 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4761 * not one, so can't be represented in this table.
4763 * All have to be specially handled */
4764 0, 1, 2, 3, 4, 5, 6, 7,
4765 8, 9, 10, 11, 12, 13, 14, 15,
4766 16, 17, 18, 19, 20, 21, 22, 23,
4767 24, 25, 26, 27, 28, 29, 30, 31,
4768 32, 33, 34, 35, 36, 37, 38, 39,
4769 40, 41, 42, 43, 44, 45, 46, 47,
4770 48, 49, 50, 51, 52, 53, 54, 55,
4771 56, 57, 58, 59, 60, 61, 62, 63,
4772 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4773 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4774 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4775 'x', 'y', 'z', 91, 92, 93, 94, 95,
4776 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4777 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4778 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4779 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4780 128, 129, 130, 131, 132, 133, 134, 135,
4781 136, 137, 138, 139, 140, 141, 142, 143,
4782 144, 145, 146, 147, 148, 149, 150, 151,
4783 152, 153, 154, 155, 156, 157, 158, 159,
4784 160, 161, 162, 163, 164, 165, 166, 167,
4785 168, 169, 170, 171, 172, 173, 174, 175,
4786 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4787 184, 185, 186, 187, 188, 189, 190, 191,
4788 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4789 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4790 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4791 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4792 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4793 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4794 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4795 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4796 255 /* y with diaeresis */
4799 /* If these tables are accessed through ebcdic, the access will be converted to
4801 EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4802 0, 1, 2, 3, 4, 5, 6, 7,
4803 8, 9, 10, 11, 12, 13, 14, 15,
4804 16, 17, 18, 19, 20, 21, 22, 23,
4805 24, 25, 26, 27, 28, 29, 30, 31,
4806 32, 33, 34, 35, 36, 37, 38, 39,
4807 40, 41, 42, 43, 44, 45, 46, 47,
4808 48, 49, 50, 51, 52, 53, 54, 55,
4809 56, 57, 58, 59, 60, 61, 62, 63,
4810 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4811 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4812 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4813 'x', 'y', 'z', 91, 92, 93, 94, 95,
4814 96, 97, 98, 99, 100, 101, 102, 103,
4815 104, 105, 106, 107, 108, 109, 110, 111,
4816 112, 113, 114, 115, 116, 117, 118, 119,
4817 120, 121, 122, 123, 124, 125, 126, 127,
4818 128, 129, 130, 131, 132, 133, 134, 135,
4819 136, 137, 138, 139, 140, 141, 142, 143,
4820 144, 145, 146, 147, 148, 149, 150, 151,
4821 152, 153, 154, 155, 156, 157, 158, 159,
4822 160, 161, 162, 163, 164, 165, 166, 167,
4823 168, 169, 170, 171, 172, 173, 174, 175,
4824 176, 177, 178, 179, 180, 181, 182, 183,
4825 184, 185, 186, 187, 188, 189, 190, 191,
4826 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4827 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4828 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4829 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4830 224, 225, 226, 227, 228, 229, 230, 231,
4831 232, 233, 234, 235, 236, 237, 238, 239,
4832 240, 241, 242, 243, 244, 245, 246, 247,
4833 248, 249, 250, 251, 252, 253, 254, 255
4836 /* upper and title case of latin1 characters, modified so that the three tricky
4837 * ones are mapped to 255 (which is one of the three) */
4838 EXTCONST unsigned char PL_mod_latin1_uc[] = {
4839 0, 1, 2, 3, 4, 5, 6, 7,
4840 8, 9, 10, 11, 12, 13, 14, 15,
4841 16, 17, 18, 19, 20, 21, 22, 23,
4842 24, 25, 26, 27, 28, 29, 30, 31,
4843 32, 33, 34, 35, 36, 37, 38, 39,
4844 40, 41, 42, 43, 44, 45, 46, 47,
4845 48, 49, 50, 51, 52, 53, 54, 55,
4846 56, 57, 58, 59, 60, 61, 62, 63,
4847 64, 65, 66, 67, 68, 69, 70, 71,
4848 72, 73, 74, 75, 76, 77, 78, 79,
4849 80, 81, 82, 83, 84, 85, 86, 87,
4850 88, 89, 90, 91, 92, 93, 94, 95,
4851 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4852 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4853 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4854 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4855 128, 129, 130, 131, 132, 133, 134, 135,
4856 136, 137, 138, 139, 140, 141, 142, 143,
4857 144, 145, 146, 147, 148, 149, 150, 151,
4858 152, 153, 154, 155, 156, 157, 158, 159,
4859 160, 161, 162, 163, 164, 165, 166, 167,
4860 168, 169, 170, 171, 172, 173, 174, 175,
4861 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4862 184, 185, 186, 187, 188, 189, 190, 191,
4863 192, 193, 194, 195, 196, 197, 198, 199,
4864 200, 201, 202, 203, 204, 205, 206, 207,
4865 208, 209, 210, 211, 212, 213, 214, 215,
4866 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4867 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4868 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4869 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4870 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4872 #endif /* !EBCDIC, but still in DOINIT */
4873 #else /* ! DOINIT */
4875 EXTCONST unsigned char PL_fold[];
4876 EXTCONST unsigned char PL_fold_latin1[];
4877 EXTCONST unsigned char PL_mod_latin1_uc[];
4878 EXTCONST unsigned char PL_latin1_lc[];
4882 #ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
4884 EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
4885 0, 1, 2, 3, 4, 5, 6, 7,
4886 8, 9, 10, 11, 12, 13, 14, 15,
4887 16, 17, 18, 19, 20, 21, 22, 23,
4888 24, 25, 26, 27, 28, 29, 30, 31,
4889 32, 33, 34, 35, 36, 37, 38, 39,
4890 40, 41, 42, 43, 44, 45, 46, 47,
4891 48, 49, 50, 51, 52, 53, 54, 55,
4892 56, 57, 58, 59, 60, 61, 62, 63,
4893 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4894 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4895 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4896 'x', 'y', 'z', 91, 92, 93, 94, 95,
4897 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4898 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4899 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4900 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4901 128, 129, 130, 131, 132, 133, 134, 135,
4902 136, 137, 138, 139, 140, 141, 142, 143,
4903 144, 145, 146, 147, 148, 149, 150, 151,
4904 152, 153, 154, 155, 156, 157, 158, 159,
4905 160, 161, 162, 163, 164, 165, 166, 167,
4906 168, 169, 170, 171, 172, 173, 174, 175,
4907 176, 177, 178, 179, 180, 181, 182, 183,
4908 184, 185, 186, 187, 188, 189, 190, 191,
4909 192, 193, 194, 195, 196, 197, 198, 199,
4910 200, 201, 202, 203, 204, 205, 206, 207,
4911 208, 209, 210, 211, 212, 213, 214, 215,
4912 216, 217, 218, 219, 220, 221, 222, 223,
4913 224, 225, 226, 227, 228, 229, 230, 231,
4914 232, 233, 234, 235, 236, 237, 238, 239,
4915 240, 241, 242, 243, 244, 245, 246, 247,
4916 248, 249, 250, 251, 252, 253, 254, 255
4919 EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
4921 #endif /* !PERL_GLOBAL_STRUCT */
4925 EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
4926 1, 2, 84, 151, 154, 155, 156, 157,
4927 165, 246, 250, 3, 158, 7, 18, 29,
4928 40, 51, 62, 73, 85, 96, 107, 118,
4929 129, 140, 147, 148, 149, 150, 152, 153,
4930 255, 6, 8, 9, 10, 11, 12, 13,
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