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) || \
38 defined(_STDC_C99) || defined(__c99)
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)->rxfree(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
424 /* for clang specific pragmas */
425 #if defined(__clang__) || defined(__clang)
426 # define CLANG_DIAG_PRAGMA(x) _Pragma (#x)
427 # define CLANG_DIAG_IGNORE(x) _Pragma("clang diagnostic push") \
428 CLANG_DIAG_PRAGMA(clang diagnostic ignored #x)
429 # define CLANG_DIAG_RESTORE _Pragma("clang diagnostic pop")
431 # define CLANG_DIAG_IGNORE(w)
432 # define CLANG_DIAG_RESTORE
435 #define NOOP /*EMPTY*/(void)0
436 /* cea2e8a9dd23747f accidentally lost the comment originally from the first
437 check in of thread.h, explaining why we need dNOOP at all: */
438 /* Rats: if dTHR is just blank then the subsequent ";" throws an error */
439 /* Declaring a *function*, instead of a variable, ensures that we don't rely
440 on being able to suppress "unused" warnings. */
442 #define dNOOP (void)0
444 #define dNOOP extern int Perl___notused(void)
448 /* Don't bother defining tTHX ; using it outside
449 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
455 # define aTHXa(a) NOOP
456 # define dTHXa(a) dNOOP
474 /* these are only defined for compatibility; should not be used internally */
475 #if !defined(pTHXo) && !defined(PERL_CORE)
477 # define pTHXo_ pTHX_
479 # define aTHXo_ aTHX_
481 # define dTHXoa(x) dTHXa(x)
485 # define pTHXx PerlInterpreter *my_perl
486 # define pTHXx_ pTHXx,
487 # define aTHXx my_perl
488 # define aTHXx_ aTHXx,
492 /* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
493 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
494 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
495 #ifdef PERL_IMPLICIT_SYS
496 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
497 # define dTHXs dVAR; dTHX
502 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
509 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
510 # ifndef PERL_USE_GCC_BRACE_GROUPS
511 # define PERL_USE_GCC_BRACE_GROUPS
516 * STMT_START { statements; } STMT_END;
517 * can be used as a single statement, as in
518 * if (x) STMT_START { ... } STMT_END; else ...
520 * Trying to select a version that gives no warnings...
522 #if !(defined(STMT_START) && defined(STMT_END))
523 # ifdef PERL_USE_GCC_BRACE_GROUPS
524 # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
527 # define STMT_START do
528 # define STMT_END while (0)
532 #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
533 # define BYTEORDER 0x1234
536 /* Overall memory policy? */
541 #if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
548 * The following contortions are brought to you on behalf of all the
549 * standards, semi-standards, de facto standards, not-so-de-facto standards
550 * of the world, as well as all the other botches anyone ever thought of.
551 * The basic theory is that if we work hard enough here, the rest of the
552 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
555 /* define this once if either system, instead of cluttering up the src */
556 #if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
560 #if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
561 # define STANDARD_C 1
564 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
565 # define DONT_DECLARE_STD 1
568 #if defined(HASVOLATILE) || defined(STANDARD_C)
569 # define VOL volatile
574 /* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
575 * you get a perl without taint support, but doubtlessly with a lesser
576 * degree of support. Do not do so unless you know exactly what it means
577 * technically, have a good reason to do so, and know exactly how the
578 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
579 * a potential security risk due to flat out ignoring the security-relevant
580 * taint flags. This being said, a perl without taint support compiled in
581 * has marginal run-time performance benefits.
582 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
583 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
584 * silently ignores -t/-T instead of throwing an exception.
586 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
587 * voids your nonexistent warranty!
589 #if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
590 # define NO_TAINT_SUPPORT 1
593 /* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
594 * operations into no-ops for a very modest speed-up. Enable only if you
595 * know what you're doing: tests and CPAN modules' tests are bound to fail.
597 #ifdef NO_TAINT_SUPPORT
599 # define TAINT_NOT NOOP
600 # define TAINT_IF(c) NOOP
601 # define TAINT_ENV() NOOP
602 # define TAINT_PROPER(s) NOOP
603 # define TAINT_set(s) NOOP
605 # define TAINTING_get 0
606 # define TAINTING_set(s) NOOP
607 # define TAINT_WARN_get 0
608 # define TAINT_WARN_set(s) NOOP
610 # define TAINT (PL_tainted = PL_tainting)
611 # define TAINT_NOT (PL_tainted = FALSE)
612 # define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = PL_tainting; }
613 # define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
614 # define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
615 # define TAINT_set(s) (PL_tainted = (s))
616 # define TAINT_get (PL_tainted)
617 # define TAINTING_get (PL_tainting)
618 # define TAINTING_set(s) (PL_tainting = (s))
619 # define TAINT_WARN_get (PL_taint_warn)
620 # define TAINT_WARN_set(s) (PL_taint_warn = (s))
623 /* flags used internally only within pp_subst and pp_substcont */
625 # define SUBST_TAINT_STR 1 /* string tainted */
626 # define SUBST_TAINT_PAT 2 /* pattern tainted */
627 # define SUBST_TAINT_REPL 4 /* replacement tainted */
628 # define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
629 # define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
632 /* XXX All process group stuff is handled in pp_sys.c. Should these
633 defines move there? If so, I could simplify this a lot. --AD 9/96.
635 /* Process group stuff changed from traditional BSD to POSIX.
636 perlfunc.pod documents the traditional BSD-style syntax, so we'll
637 try to preserve that, if possible.
640 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
642 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
643 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
645 # ifdef HAS_SETPGRP2 /* DG/UX */
646 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
650 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
651 # define HAS_SETPGRP /* Well, effectively it does . . . */
654 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
655 our life easier :-) so we'll try it.
658 # define BSD_GETPGRP(pid) getpgid((pid))
660 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
661 # define BSD_GETPGRP(pid) getpgrp((pid))
663 # ifdef HAS_GETPGRP2 /* DG/UX */
664 # define BSD_GETPGRP(pid) getpgrp2((pid))
668 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
669 # define HAS_GETPGRP /* Well, effectively it does . . . */
672 /* These are not exact synonyms, since setpgrp() and getpgrp() may
673 have different behaviors, but perl.h used to define USE_BSDPGRP
674 (prior to 5.003_05) so some extension might depend on it.
676 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
682 /* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
683 pthread.h must be included before all other header files.
685 #if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
686 # include <pthread.h>
689 #include <sys/types.h>
697 /* EVC 4 SDK headers includes a bad definition of MB_CUR_MAX in stdlib.h
698 which is included from stdarg.h. Bad definition not present in SD 2008
699 SDK headers. wince.h is not yet included, so we cant fix this from there
700 since by then MB_CUR_MAX will be defined from stdlib.h.
701 cewchar.h includes a correct definition of MB_CUR_MAX and it is copied here
702 since cewchar.h can't be included this early */
703 #if defined(UNDER_CE) && (_MSC_VER < 1300)
704 # define MB_CUR_MAX 1
710 # include <varargs.h>
720 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
732 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
734 # define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
736 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
737 && defined(HAS_STRXFRM)
738 # define USE_LOCALE_COLLATE
740 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
741 # define USE_LOCALE_CTYPE
743 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
744 # define USE_LOCALE_NUMERIC
746 # if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
747 # define USE_LOCALE_MESSAGES
749 # if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
750 # define USE_LOCALE_MONETARY
752 # if !defined(NO_LOCALE_TIME) && defined(LC_TIME)
753 # define USE_LOCALE_TIME
755 # ifndef WIN32 /* No wrapper except on Windows */
756 # define my_setlocale(a,b) setlocale(a,b)
758 #endif /* !NO_LOCALE && HAS_SETLOCALE */
760 /* Is $^ENCODING set, or are we under the encoding pragma? */
761 #define IN_ENCODING UNLIKELY(PL_encoding \
762 || (PL_lex_encoding && _get_encoding() != NULL))
767 # ifdef PARAM_NEEDS_TYPES
768 # include <sys/types.h>
770 # include <sys/param.h>
773 /* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
774 value something like 199306. This may be useful if no more-specific
775 feature test is available.
783 /* Use all the "standard" definitions? */
784 #if defined(STANDARD_C) && defined(I_STDLIB)
788 /* If this causes problems, set i_unistd=undef in the hint file. */
790 # if defined(__amigaos4__)
792 # include <netinet/in.h>
796 # if defined(__amigaos4__)
797 /* Under AmigaOS 4 newlib.library provides an environ. However using
798 * it doesn't give us enough control over inheritance of variables by
799 * subshells etc. so replace with custom version based on abc-shell
801 extern char **myenviron;
803 # define environ myenviron
809 # include <sys/wait.h>
813 # undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
816 #if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
817 EXTERN_C int syscall(int, ...);
820 #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
821 EXTERN_C int usleep(unsigned int);
826 /* macros for correct constant construction */
828 # define U16_CONST(x) ((U16)x##U)
830 # define U16_CONST(x) ((U16)x##UL)
834 # define U32_CONST(x) ((U32)x##U)
836 # define U32_CONST(x) ((U32)x##UL)
841 # define U64_CONST(x) ((U64)x##U)
843 # define U64_CONST(x) ((U64)x##UL)
844 # elif QUADKIND == QUAD_IS_LONG_LONG
845 # define U64_CONST(x) ((U64)x##ULL)
846 # elif QUADKIND == QUAD_IS___INT64
847 # define U64_CONST(x) ((U64)x##UI64)
848 # else /* best guess we can make */
849 # define U64_CONST(x) ((U64)x##UL)
853 /* byte-swapping functions for big-/little-endian conversion */
854 # define _swab_16_(x) ((U16)( \
855 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
856 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
858 # define _swab_32_(x) ((U32)( \
859 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
860 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
861 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
862 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
865 # define _swab_64_(x) ((U64)( \
866 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
867 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
868 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
869 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
870 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
871 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
872 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
873 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
876 /* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
877 at least on FreeBSD. YMMV, so experiment. */
878 #ifndef PERL_ARENA_SIZE
879 #define PERL_ARENA_SIZE 4080
882 /* Maximum level of recursion */
883 #ifndef PERL_SUB_DEPTH_WARN
884 #define PERL_SUB_DEPTH_WARN 100
887 #endif /* PERL_CORE */
889 /* We no longer default to creating a new SV for GvSV.
890 Do this before embed. */
891 #ifndef PERL_CREATE_GVSV
892 # ifndef PERL_DONT_CREATE_GVSV
893 # define PERL_DONT_CREATE_GVSV
897 #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
898 #define PERL_USES_PL_PIDSTATUS
901 #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
902 #define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
905 #define MEM_SIZE Size_t
907 /* Round all values passed to malloc up, by default to a multiple of
910 #ifndef PERL_STRLEN_ROUNDUP_QUANTUM
911 #define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
914 /* sv_grow() will expand strings by at least a certain percentage of
915 the previously *used* length to avoid excessive calls to realloc().
916 The default is 25% of the current length.
918 #ifndef PERL_STRLEN_EXPAND_SHIFT
919 # define PERL_STRLEN_EXPAND_SHIFT 2
922 #if defined(STANDARD_C) && defined(I_STDDEF) && !defined(PERL_GCC_PEDANTIC)
924 # define STRUCT_OFFSET(s,m) offsetof(s,m)
926 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
929 /* ptrdiff_t is C11, so undef it under pedantic builds */
930 #ifdef PERL_GCC_PEDANTIC
931 # undef HAS_PTRDIFF_T
934 #ifndef __SYMBIAN32__
935 # if defined(I_STRING) || defined(__cplusplus)
938 # include <strings.h>
942 /* This comes after <stdlib.h> so we don't try to change the standard
943 * library prototypes; we'll use our own in proto.h instead. */
946 # ifdef PERL_POLLUTE_MALLOC
947 # ifndef PERL_EXTMALLOC_DEF
948 # define Perl_malloc malloc
949 # define Perl_calloc calloc
950 # define Perl_realloc realloc
951 # define Perl_mfree free
954 # define EMBEDMYMALLOC /* for compatibility */
957 # define safemalloc Perl_malloc
958 # define safecalloc Perl_calloc
959 # define saferealloc Perl_realloc
960 # define safefree Perl_mfree
961 # define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
962 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
965 # define CHECK_MALLOC_TOO_LATE_FOR(ch) \
966 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
967 # define panic_write2(s) write(2, s, strlen(s))
968 # define CHECK_MALLOC_TAINT(newval) \
969 CHECK_MALLOC_TOO_LATE_FOR_( \
971 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
973 # define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
974 if (doing_taint(argc,argv,env)) { \
975 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
978 # define safemalloc safesysmalloc
979 # define safecalloc safesyscalloc
980 # define saferealloc safesysrealloc
981 # define safefree safesysfree
982 # define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
983 # define CHECK_MALLOC_TAINT(newval) ((void)0)
984 # define MALLOC_CHECK_TAINT(argc,argv,env)
985 #endif /* MYMALLOC */
987 /* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
988 #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)
989 #define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
990 #define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
991 #define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
993 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
995 #define strrchr rindex
1003 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
1005 extern char * memcpy (char*, char*, int);
1010 # 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_MEMCPY) && defined(HAS_SAFE_MEMCPY)
1027 # define memmove(d,s,l) memcpy(d,s,l)
1029 # define memmove(d,s,l) my_bcopy(s,d,l)
1033 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
1037 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
1038 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
1040 extern int memcmp (char*, char*, int);
1045 # define memcmp my_memcmp
1047 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
1051 # define memzero(d,l) memset(d,0,l)
1054 # define memzero(d,l) bzero(d,l)
1056 # define memzero(d,l) my_bzero(d,l)
1064 # define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1071 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
1073 #endif /* !HAS_BCMP */
1076 # include <netinet/in.h>
1080 # include <arpa/inet.h>
1084 # include <sys/stat.h>
1087 /* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1088 This definition should ideally go into win32/win32.h, but S_IFIFO is
1089 used later here in perl.h before win32/win32.h is being included. */
1090 #if !defined(S_IFIFO) && defined(_S_IFIFO)
1091 # define S_IFIFO _S_IFIFO
1094 /* The stat macros for Unisoft System V/88 (and derivatives
1095 like UTekV) are broken, sometimes giving false positives. Undefine
1096 them here and let the code below set them to proper values.
1098 The ghs macro stands for GreenHills Software C-1.8.5 which
1099 is the C compiler for sysV88 and the various derivatives.
1100 This header file bug is corrected in gcc-2.5.8 and later versions.
1101 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1103 #if defined(m88k) && defined(ghs)
1117 # ifdef I_SYS_TIME_KERNEL
1120 # include <sys/time.h>
1121 # ifdef I_SYS_TIME_KERNEL
1126 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
1127 # include <sys/times.h>
1130 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
1131 # undef HAS_STRERROR
1136 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
1137 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1140 #if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1141 # include <sys/socket.h>
1142 # if defined(USE_SOCKS) && defined(I_SOCKS)
1143 # if !defined(INCLUDE_PROTOTYPES)
1144 # define INCLUDE_PROTOTYPES /* for <socks.h> */
1145 # define PERL_SOCKS_NEED_PROTOTYPES
1148 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1149 # undef INCLUDE_PROTOTYPES
1150 # undef PERL_SOCKS_NEED_PROTOTYPES
1161 # include <net/errno.h>
1166 /* sockatmark() is so new (2001) that many places might have it hidden
1167 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1168 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
1169 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
1170 # if defined(__THROW) && defined(__GLIBC__)
1171 int sockatmark(int) __THROW;
1173 int sockatmark(int);
1177 #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. */
1178 EXTERN_C int fchdir(int);
1179 EXTERN_C int flock(int, int);
1180 EXTERN_C int fseeko(FILE *, off_t, int);
1181 EXTERN_C off_t ftello(FILE *);
1184 #if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1185 EXTERN_C char *crypt(const char *, const char *);
1186 EXTERN_C char **environ;
1189 #if defined(__cplusplus)
1190 # if defined(BSDish)
1191 EXTERN_C char **environ;
1192 # elif defined(__CYGWIN__)
1193 EXTERN_C char *crypt(const char *, const char *);
1198 # undef SETERRNO /* SOCKS might have defined this */
1202 # define SETERRNO(errcode,vmserrcode) \
1204 set_errno(errcode); \
1205 set_vaxc_errno(vmserrcode); \
1207 # define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1208 # define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1209 # define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1210 # define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1212 # define LIB_INVARG LIB$_INVARG
1213 # define RMS_DIR RMS$_DIR
1214 # define RMS_FAC RMS$_FAC
1215 # define RMS_FEX RMS$_FEX
1216 # define RMS_FNF RMS$_FNF
1217 # define RMS_IFI RMS$_IFI
1218 # define RMS_ISI RMS$_ISI
1219 # define RMS_PRV RMS$_PRV
1220 # define SS_ACCVIO SS$_ACCVIO
1221 # define SS_DEVOFFLINE SS$_DEVOFFLINE
1222 # define SS_IVCHAN SS$_IVCHAN
1223 # define SS_NORMAL SS$_NORMAL
1224 # define SS_NOPRIV SS$_NOPRIV
1225 # define SS_BUFFEROVF SS$_BUFFEROVF
1227 # define LIB_INVARG 0
1235 # define SS_ACCVIO 0
1236 # define SS_DEVOFFLINE 0
1237 # define SS_IVCHAN 0
1238 # define SS_NORMAL 0
1239 # define SS_NOPRIV 0
1240 # define SS_BUFFEROVF 0
1244 # define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1245 # define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1246 # define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1247 # define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1251 # define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1252 # define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1253 # define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1254 # define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1258 # define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1262 # define dSAVEDERRNO int saved_errno
1263 # define dSAVE_ERRNO int saved_errno = errno
1264 # define SAVE_ERRNO (saved_errno = errno)
1265 # define RESTORE_ERRNO (errno = saved_errno)
1268 #define ERRSV GvSVn(PL_errgv)
1270 /* contains inlined gv_add_by_type */
1271 #define CLEAR_ERRSV() STMT_START { \
1272 SV ** const svp = &GvSV(PL_errgv); \
1274 goto clresv_newemptypv; \
1275 } else if (SvREADONLY(*svp)) { \
1276 SvREFCNT_dec_NN(*svp); \
1277 clresv_newemptypv: \
1278 *svp = newSVpvs(""); \
1280 SV *const errsv = *svp; \
1281 sv_setpvs(errsv, ""); \
1282 SvPOK_only(errsv); \
1283 if (SvMAGICAL(errsv)) { \
1291 # define DEFSV (0 + GvSVn(PL_defgv))
1292 # define DEFSV_set(sv) \
1293 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1294 # define SAVE_DEFSV \
1296 save_gp(PL_defgv, 0), \
1297 GvINTRO_off(PL_defgv), \
1298 SAVEGENERICSV(GvSV(PL_defgv)), \
1299 GvSV(PL_defgv) = NULL \
1302 # define DEFSV GvSVn(PL_defgv)
1303 # define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1304 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
1308 extern int errno; /* ANSI allows errno to be an lvalue expr.
1309 * For example in multithreaded environments
1310 * something like this might happen:
1311 * extern int *_errno(void);
1312 * #define errno (*_errno()) */
1315 #define UNKNOWN_ERRNO_MSG "(unknown)"
1318 # ifndef DONT_DECLARE_STD
1320 char *strerror (int,...);
1322 char *strerror (int);
1326 # define Strerror strerror
1329 # ifdef HAS_SYS_ERRLIST
1330 extern int sys_nerr;
1331 extern char *sys_errlist[];
1333 # define Strerror(e) \
1334 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
1341 # include <sys/ioctl.h>
1345 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
1346 # ifdef HAS_SOCKETPAIR
1347 # undef HAS_SOCKETPAIR
1354 #ifndef HAS_SOCKETPAIR
1356 # define socketpair Perl_my_socketpair
1361 # define htoni htons
1362 # define ntohi ntohs
1364 # define htoni htonl
1365 # define ntohi ntohl
1368 /* Configure already sets Direntry_t */
1369 #if defined(I_DIRENT)
1370 # include <dirent.h>
1373 # include <sys/ndir.h>
1377 # include <ndir.h> /* may be wrong in the future */
1379 # include <sys/dir.h>
1386 * The following gobbledygook brought to you on behalf of __STDC__.
1387 * (I could just use #ifndef __STDC__, but this is more bulletproof
1388 * in the face of half-implementations.)
1391 #if defined(I_SYSMODE)
1392 #include <sys/mode.h>
1397 # define S_IFMT _S_IFMT
1399 # define S_IFMT 0170000
1404 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1408 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1413 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1415 # define S_ISBLK(m) (0)
1420 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1425 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1427 # define S_ISFIFO(m) (0)
1433 # define S_ISLNK(m) _S_ISLNK(m)
1436 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1439 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1441 # define S_ISLNK(m) (0)
1449 # define S_ISSOCK(m) _S_ISSOCK(m)
1452 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1455 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1457 # define S_ISSOCK(m) (0)
1465 # define S_IRUSR S_IREAD
1466 # define S_IWUSR S_IWRITE
1467 # define S_IXUSR S_IEXEC
1469 # define S_IRUSR 0400
1470 # define S_IWUSR 0200
1471 # define S_IXUSR 0100
1477 # define S_IRGRP (S_IRUSR>>3)
1478 # define S_IWGRP (S_IWUSR>>3)
1479 # define S_IXGRP (S_IXUSR>>3)
1481 # define S_IRGRP 0040
1482 # define S_IWGRP 0020
1483 # define S_IXGRP 0010
1489 # define S_IROTH (S_IRUSR>>6)
1490 # define S_IWOTH (S_IWUSR>>6)
1491 # define S_IXOTH (S_IXUSR>>6)
1493 # define S_IROTH 0040
1494 # define S_IWOTH 0020
1495 # define S_IXOTH 0010
1500 # define S_ISUID 04000
1504 # define S_ISGID 02000
1508 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
1512 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
1516 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
1519 /* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1520 * which would get included through <sys/file.h >, but that is 3000
1521 * lines in the future. --jhi */
1523 #if !defined(S_IREAD) && !defined(__HAIKU__)
1524 # define S_IREAD S_IRUSR
1527 #if !defined(S_IWRITE) && !defined(__HAIKU__)
1528 # define S_IWRITE S_IWUSR
1532 # define S_IEXEC S_IXUSR
1535 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
1536 # define SLOPPYDIVIDE
1543 /* For the times when you want the return value of sprintf, and you want it
1544 to be the length. Can't have a thread variable passed in, because C89 has
1547 #ifdef SPRINTF_RETURNS_STRLEN
1548 # define my_sprintf sprintf
1550 # define my_sprintf Perl_my_sprintf
1554 * If we have v?snprintf() and the C99 variadic macros, we can just
1555 * use just the v?snprintf(). It is nice to try to trap the buffer
1556 * overflow, however, so if we are DEBUGGING, and we cannot use the
1557 * gcc statement expressions, then use the function wrappers which try
1558 * to trap the overflow. If we can use the gcc statement expressions,
1559 * we can try that even with the version that uses the C99 variadic
1563 /* Note that we do not check against snprintf()/vsnprintf() returning
1564 * negative values because that is non-standard behaviour and we use
1565 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1566 * that should be true only if the snprintf()/vsnprintf() are true
1567 * to the standard. */
1569 #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
1572 # define my_snprintf Perl_my_snprintf
1573 # define PERL_MY_SNPRINTF_GUARDED
1575 #if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1576 # ifdef PERL_USE_GCC_BRACE_GROUPS
1577 # define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1578 # define PERL_MY_SNPRINTF_GUARDED
1580 # define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
1583 # define my_snprintf Perl_my_snprintf
1584 # define PERL_MY_SNPRINTF_GUARDED
1588 /* There is no quadmath_vsnprintf, and therefore my_vsnprintf()
1589 * dies if called under USE_QUADMATH. */
1590 #if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1591 # ifdef PERL_USE_GCC_BRACE_GROUPS
1592 # define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1593 # define PERL_MY_VSNPRINTF_GUARDED
1595 # define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
1598 # define my_vsnprintf Perl_my_vsnprintf
1599 # define PERL_MY_VSNPRINTF_GUARDED
1602 /* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1603 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1604 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1605 * completely ignore it: otherwise you cannot know whether your output
1608 * int len = my_sprintf(buf, max, ...);
1609 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1611 * The trick is that in certain platforms [a] the my_sprintf() already
1612 * contains the sanity check, while in certain platforms [b] it needs
1613 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1614 * platforms the POST_GUARD actually does nothing since the check has
1615 * already been done. Watch out for the max being the same in both calls.
1617 * If you actually use the snprintf/vsnprintf return value already,
1618 * you assumedly are checking its validity somehow. But you can
1619 * insert the POST_GUARD() also in that case. */
1621 #ifndef PERL_MY_SNPRINTF_GUARDED
1622 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1624 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1627 #ifndef PERL_MY_VSNPRINTF_GUARDED
1628 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1630 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1634 # define my_strlcat strlcat
1636 # define my_strlcat Perl_my_strlcat
1640 # define my_strlcpy strlcpy
1642 # define my_strlcpy Perl_my_strlcpy
1646 The IV type is supposed to be long enough to hold any integral
1648 --Andy Dougherty August 1996
1654 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
1655 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
1656 # define IV_MAX INT64_MAX
1657 # define IV_MIN INT64_MIN
1658 # define UV_MAX UINT64_MAX
1660 # define UINT64_MIN 0
1662 # define UV_MIN UINT64_MIN
1664 # define IV_MAX PERL_QUAD_MAX
1665 # define IV_MIN PERL_QUAD_MIN
1666 # define UV_MAX PERL_UQUAD_MAX
1667 # define UV_MIN PERL_UQUAD_MIN
1672 # if defined(INT32_MAX) && IVSIZE == 4
1673 # define IV_MAX INT32_MAX
1674 # define IV_MIN INT32_MIN
1675 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1676 # define UV_MAX UINT32_MAX
1678 # define UV_MAX 4294967295U
1681 # define UINT32_MIN 0
1683 # define UV_MIN UINT32_MIN
1685 # define IV_MAX PERL_LONG_MAX
1686 # define IV_MIN PERL_LONG_MIN
1687 # define UV_MAX PERL_ULONG_MAX
1688 # define UV_MIN PERL_ULONG_MIN
1699 #if !defined(PERL_CORE) || defined(USING_MSVC6)
1700 /* We think that removing this decade-old undef this will cause too much
1701 breakage on CPAN for too little gain. (See RT #119753)
1702 However, we do need HAS_QUAD in the core for use by the drand48 code,
1703 but not for Win32 VC6 because it has poor __int64 support. */
1709 #define Size_t_MAX (~(Size_t)0)
1710 #define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1)
1712 #define IV_DIG (BIT_DIGITS(IVSIZE * 8))
1713 #define UV_DIG (BIT_DIGITS(UVSIZE * 8))
1715 #ifndef NO_PERL_PRESERVE_IVUV
1716 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
1720 * The macros INT2PTR and NUM2PTR are (despite their names)
1721 * bi-directional: they will convert int/float to or from pointers.
1722 * However the conversion to int/float are named explicitly:
1723 * PTR2IV, PTR2UV, PTR2NV.
1725 * For int conversions we do not need two casts if pointers are
1726 * the same size as IV and UV. Otherwise we need an explicit
1727 * cast (PTRV) to avoid compiler warnings.
1729 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1731 # define INT2PTR(any,d) (any)(d)
1733 # if PTRSIZE == LONGSIZE
1734 # define PTRV unsigned long
1735 # define PTR2ul(p) (unsigned long)(p)
1737 # define PTRV unsigned
1742 # define INT2PTR(any,d) (any)(PTRV)(d)
1746 # define PTR2ul(p) INT2PTR(unsigned long,p)
1749 #define NUM2PTR(any,d) (any)(PTRV)(d)
1750 #define PTR2IV(p) INT2PTR(IV,p)
1751 #define PTR2UV(p) INT2PTR(UV,p)
1752 #define PTR2NV(p) NUM2PTR(NV,p)
1753 #define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
1755 /* According to strict ANSI C89 one cannot freely cast between
1756 * data pointers and function (code) pointers. There are at least
1757 * two ways around this. One (used below) is to do two casts,
1758 * first the other pointer to an (unsigned) integer, and then
1759 * the integer to the other pointer. The other way would be
1760 * to use unions to "overlay" the pointers. For an example of
1761 * the latter technique, see union dirpu in struct xpvio in sv.h.
1762 * The only feasible use is probably temporarily storing
1763 * function pointers in a data pointer (such as a void pointer). */
1765 #define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1766 #define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
1768 #ifdef USE_LONG_DOUBLE
1769 # if LONG_DOUBLESIZE == DOUBLESIZE
1770 # define LONG_DOUBLE_EQUALS_DOUBLE
1771 # undef USE_LONG_DOUBLE /* Ouch! */
1776 /* Use an overridden DBL_DIG */
1780 # define DBL_DIG OVR_DBL_DIG
1782 /* The following is all to get DBL_DIG, in order to pick a nice
1783 default value for printing floating point numbers in Gconvert
1784 (see config.h). (It also has other uses, such as figuring out if
1785 a given precision of printing can be done with a double instead of
1786 a long double - Allen).
1795 #define DBL_DIG 15 /* A guess that works lots of places */
1800 /* Use an overridden LDBL_DIG */
1804 # define LDBL_DIG OVR_LDBL_DIG
1806 /* The following is all to get LDBL_DIG, in order to pick a nice
1807 default value for printing floating point numbers in Gconvert.
1811 # include <limits.h>
1816 # ifndef HAS_LDBL_DIG
1817 # if LONG_DOUBLESIZE == 10
1818 # define LDBL_DIG 18 /* assume IEEE */
1820 # if LONG_DOUBLESIZE == 12
1821 # define LDBL_DIG 18 /* gcc? */
1823 # if LONG_DOUBLESIZE == 16
1824 # define LDBL_DIG 33 /* assume IEEE */
1826 # if LONG_DOUBLESIZE == DOUBLESIZE
1827 # define LDBL_DIG DBL_DIG /* bummer */
1836 * This is for making sure we have a good DBL_MAX value, if possible,
1837 * either for usage as NV_MAX or for usage in figuring out if we can
1838 * fit a given long double into a double, if bug-fixing makes it
1839 * necessary to do so. - Allen <allens@cpan.org>
1843 # include <limits.h>
1847 # if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1848 # include <values.h>
1849 # if defined(MAXDOUBLE) && !defined(DBL_MAX)
1850 # define DBL_MAX MAXDOUBLE
1852 # if defined(MINDOUBLE) && !defined(DBL_MIN)
1853 # define DBL_MIN MINDOUBLE
1856 #endif /* defined(I_VALUES) */
1861 # include <ieeefp.h>
1865 /* VC6 has broken NaN semantics: NaN == NaN returns true instead of false,
1866 * and for example NaN < IV_MIN. */
1867 # define NAN_COMPARE_BROKEN
1869 #if defined(__DECC) && defined(__osf__)
1870 /* Also Tru64 cc has broken NaN comparisons. */
1871 # define NAN_COMPARE_BROKEN
1874 # define NAN_COMPARE_BROKEN
1877 #ifdef USE_LONG_DOUBLE
1879 # include <sunmath.h>
1881 # if defined(LDBL_DIG)
1882 # define NV_DIG LDBL_DIG
1883 # ifdef LDBL_MANT_DIG
1884 # define NV_MANT_DIG LDBL_MANT_DIG
1887 # define NV_MIN LDBL_MIN
1890 # define NV_MAX LDBL_MAX
1892 # ifdef LDBL_MIN_EXP
1893 # define NV_MIN_EXP LDBL_MIN_EXP
1895 # ifdef LDBL_MAX_EXP
1896 # define NV_MAX_EXP LDBL_MAX_EXP
1898 # ifdef LDBL_MIN_10_EXP
1899 # define NV_MIN_10_EXP LDBL_MIN_10_EXP
1901 # ifdef LDBL_MAX_10_EXP
1902 # define NV_MAX_10_EXP LDBL_MAX_10_EXP
1904 # ifdef LDBL_EPSILON
1905 # define NV_EPSILON LDBL_EPSILON
1908 # define NV_MAX LDBL_MAX
1909 /* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
1912 # define NV_MAX HUGE_VALL
1916 # if defined(HAS_SQRTL)
1917 # define Perl_acos acosl
1918 # define Perl_asin asinl
1919 # define Perl_atan atanl
1920 # define Perl_atan2 atan2l
1921 # define Perl_ceil ceill
1922 # define Perl_cos cosl
1923 # define Perl_cosh coshl
1924 # define Perl_exp expl
1925 /* no Perl_fabs, but there's PERL_ABS */
1926 # define Perl_floor floorl
1927 # define Perl_fmod fmodl
1928 # define Perl_log logl
1929 # define Perl_log10 log10l
1930 # define Perl_pow powl
1931 # define Perl_sin sinl
1932 # define Perl_sinh sinhl
1933 # define Perl_sqrt sqrtl
1934 # define Perl_tan tanl
1935 # define Perl_tanh tanhl
1937 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1940 # define Perl_modf(x,y) modfl(x,y)
1941 /* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1942 prototype in <math.h> */
1943 # ifndef HAS_MODFL_PROTO
1944 EXTERN_C long double modfl(long double, long double *);
1946 # elif (defined(HAS_TRUNCL) || defined(HAS_AINTL)) && defined(HAS_COPYSIGNL)
1947 extern long double Perl_my_modfl(long double x, long double *ip);
1948 # define Perl_modf(x,y) Perl_my_modfl(x,y)
1953 # define Perl_frexp(x,y) frexpl(x,y)
1955 # if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1956 extern long double Perl_my_frexpl(long double x, int *e);
1957 # define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1963 # define Perl_ldexp(x, y) ldexpl(x,y)
1965 # if defined(HAS_SCALBNL) && FLT_RADIX == 2
1966 # define Perl_ldexp(x,y) scalbnl(x,y)
1971 # if defined(HAS_ISNANL) && !(defined(isnan) && defined(HAS_C99))
1972 # define Perl_isnan(x) isnanl(x)
1973 # elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */
1974 # define Perl_isnan(x) isnan(x)
1978 # if defined(HAS_ISINFL) && !(defined(isinf) && defined(HAS_C99))
1979 # define Perl_isinf(x) isinfl(x)
1980 # elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */
1981 # define Perl_isinf(x) isinf(x)
1982 # elif defined(LDBL_MAX) && !defined(NAN_COMPARE_BROKEN)
1983 # define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX)
1986 # ifndef Perl_isfinite
1987 # define Perl_isfinite(x) Perl_isfinitel(x)
1989 #elif defined(USE_QUADMATH) && defined(I_QUADMATH)
1990 # include <quadmath.h>
1991 # define NV_DIG FLT128_DIG
1992 # define NV_MANT_DIG FLT128_MANT_DIG
1993 # define NV_MIN FLT128_MIN
1994 # define NV_MAX FLT128_MAX
1995 # define NV_MIN_EXP FLT128_MIN_EXP
1996 # define NV_MAX_EXP FLT128_MAX_EXP
1997 # define NV_EPSILON FLT128_EPSILON
1998 # define NV_MIN_10_EXP FLT128_MIN_10_EXP
1999 # define NV_MAX_10_EXP FLT128_MAX_10_EXP
2000 # define Perl_acos acosq
2001 # define Perl_asin asinq
2002 # define Perl_atan atanq
2003 # define Perl_atan2 atan2q
2004 # define Perl_ceil ceilq
2005 # define Perl_cos cosq
2006 # define Perl_cosh coshq
2007 # define Perl_exp expq
2008 /* no Perl_fabs, but there's PERL_ABS */
2009 # define Perl_floor floorq
2010 # define Perl_fmod fmodq
2011 # define Perl_log logq
2012 # define Perl_log10 log10q
2013 # define Perl_pow powq
2014 # define Perl_sin sinq
2015 # define Perl_sinh sinhq
2016 # define Perl_sqrt sqrtq
2017 # define Perl_tan tanq
2018 # define Perl_tanh tanhq
2019 # define Perl_modf(x,y) modfq(x,y)
2020 # define Perl_frexp(x,y) frexpq(x,y)
2021 # define Perl_ldexp(x, y) ldexpq(x,y)
2022 # define Perl_isinf(x) isinfq(x)
2023 # define Perl_isnan(x) isnanq(x)
2024 # define Perl_isfinite(x) !(isnanq(x) || isinfq(x))
2026 # define NV_DIG DBL_DIG
2027 # ifdef DBL_MANT_DIG
2028 # define NV_MANT_DIG DBL_MANT_DIG
2031 # define NV_MIN DBL_MIN
2034 # define NV_MAX DBL_MAX
2037 # define NV_MIN_EXP DBL_MIN_EXP
2040 # define NV_MAX_EXP DBL_MAX_EXP
2042 # ifdef DBL_MIN_10_EXP
2043 # define NV_MIN_10_EXP DBL_MIN_10_EXP
2045 # ifdef DBL_MAX_10_EXP
2046 # define NV_MAX_10_EXP DBL_MAX_10_EXP
2049 # define NV_EPSILON DBL_EPSILON
2051 # ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
2052 # define NV_MAX DBL_MAX
2053 # define NV_MIN DBL_MIN
2056 # define NV_MAX HUGE_VAL
2060 /* These math interfaces are C89. */
2061 # define Perl_acos acos
2062 # define Perl_asin asin
2063 # define Perl_atan atan
2064 # define Perl_atan2 atan2
2065 # define Perl_ceil ceil
2066 # define Perl_cos cos
2067 # define Perl_cosh cosh
2068 # define Perl_exp exp
2069 /* no Perl_fabs, but there's PERL_ABS */
2070 # define Perl_floor floor
2071 # define Perl_fmod fmod
2072 # define Perl_log log
2073 # define Perl_log10 log10
2074 # define Perl_pow pow
2075 # define Perl_sin sin
2076 # define Perl_sinh sinh
2077 # define Perl_sqrt sqrt
2078 # define Perl_tan tan
2079 # define Perl_tanh tanh
2081 # define Perl_modf(x,y) modf(x,y)
2082 # define Perl_frexp(x,y) frexp(x,y)
2083 # define Perl_ldexp(x,y) ldexp(x,y)
2087 # define Perl_isnan(x) isnan(x)
2091 # if defined(HAS_ISINF)
2092 # define Perl_isinf(x) isinf(x)
2093 # elif defined(DBL_MAX) && !defined(NAN_COMPARE_BROKEN)
2094 # define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX)
2097 # ifndef Perl_isfinite
2098 # ifdef HAS_ISFINITE
2099 # define Perl_isfinite(x) isfinite(x)
2100 # elif defined(HAS_FINITE)
2101 # define Perl_isfinite(x) finite(x)
2106 /* fpclassify(): C99. It is supposed to be a macro that switches on
2107 * the sizeof() of its argument, so there's no need for e.g. fpclassifyl().*/
2108 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2110 # if defined(FP_INFINITE) && defined(FP_NAN)
2111 # define Perl_fp_class(x) fpclassify(x)
2112 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2113 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2114 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2115 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2116 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2117 # elif defined(FP_PLUS_INF) && defined(FP_QNAN)
2118 /* Some versions of HP-UX (10.20) have (only) fpclassify() but which is
2119 * actually not the C99 fpclassify, with its own set of return defines. */
2120 # define Perl_fp_class(x) fpclassify(x)
2121 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2122 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2123 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2124 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2125 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2126 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2127 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2128 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2129 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2130 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2132 # undef Perl_fp_class /* Unknown set of defines */
2136 /* fp_classify(): Legacy: VMS, maybe Unicos? The values, however,
2137 * are identical to the C99 fpclassify(). */
2138 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASSIFY)
2141 /* FP_INFINITE and others are here rather than in math.h as C99 stipulates */
2143 /* oh, and the isnormal macro has a typo in it! */
2145 # define isnormal(x) Perl_fp_class_norm(x)
2147 # if defined(FP_INFINITE) && defined(FP_NAN)
2148 # define Perl_fp_class(x) fp_classify(x)
2149 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2150 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2151 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2152 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2153 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2155 # undef Perl_fp_class /* Unknown set of defines */
2159 /* Feel free to check with me for the SGI manpages, SGI testing,
2160 * etcetera, if you want to try getting this to work with IRIX.
2162 * - Allen <allens@cpan.org> */
2164 /* fpclass(): SysV, at least Solaris and some versions of IRIX. */
2165 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2166 /* Solaris and IRIX have fpclass/fpclassl, but they are using
2167 * an enum typedef, not cpp symbols, and Configure doesn't detect that.
2168 * Define some symbols also as cpp symbols so we can detect them. */
2169 # if defined(__sun) || defined(__sgi) /* XXX Configure test instead */
2170 # define FP_PINF FP_PINF
2171 # define FP_QNAN FP_QNAN
2175 # include <ieeefp.h>
2180 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2181 # define Perl_fp_class(x) fpclassl(x)
2183 # define Perl_fp_class(x) fpclass(x)
2185 # if defined(FP_CLASS_PINF) && defined(FP_CLASS_SNAN)
2186 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2187 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2188 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2189 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2190 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2191 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2192 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2193 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2194 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2195 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2196 # elif defined(FP_PINF) && defined(FP_QNAN)
2197 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2198 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2199 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NINF)
2200 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PINF)
2201 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NNORM)
2202 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PNORM)
2203 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NDENORM)
2204 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PDENORM)
2205 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NZERO)
2206 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PZERO)
2208 # undef Perl_fp_class /* Unknown set of defines */
2212 /* fp_class(): Legacy: at least Tru64, some versions of IRIX. */
2213 #if !defined(Perl_fp_class) && (defined(HAS_FP_CLASS)||defined(HAS_FP_CLASSL))
2215 # if !defined(FP_SNAN) && defined(I_FP_CLASS)
2216 # include <fp_class.h>
2218 # if defined(FP_POS_INF) && defined(FP_QNAN)
2219 # ifdef __sgi /* XXX Configure test instead */
2220 # ifdef USE_LONG_DOUBLE
2221 # define Perl_fp_class(x) fp_class_l(x)
2223 # define Perl_fp_class(x) fp_class_d(x)
2226 # if defined(USE_LONG_DOUBLE) && defined(HAS_FP_CLASSL)
2227 # define Perl_fp_class(x) fp_classl(x)
2229 # define Perl_fp_class(x) fp_class(x)
2232 # if defined(FP_POS_INF) && defined(FP_QNAN)
2233 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2234 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2235 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NEG_INF)
2236 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_POS_INF)
2237 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NEG_NORM)
2238 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_POS_NORM)
2239 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NEG_DENORM)
2240 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_POS_DENORM)
2241 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NEG_ZERO)
2242 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_POS_ZERO)
2244 # undef Perl_fp_class /* Unknown set of defines */
2249 /* class(), _class(): Legacy: AIX. */
2250 #if !defined(Perl_fp_class) && defined(HAS_CLASS)
2252 # if defined(FP_PLUS_NORM) && defined(FP_PLUS_INF)
2254 # define Perl_fp_class(x) class(x)
2256 # define Perl_fp_class(x) _class(x)
2258 # if defined(FP_PLUS_INF) && defined(FP_NANQ)
2259 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2260 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2261 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2262 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2263 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2264 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2265 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2266 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2267 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2268 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2270 # undef Perl_fp_class /* Unknown set of defines */
2275 /* Win32: _fpclass(), _isnan(), _finite(). */
2278 # define Perl_isnan(x) _isnan(x)
2280 # ifndef Perl_isfinite
2281 # define Perl_isfinite(x) _finite(x)
2283 # ifndef Perl_fp_class_snan
2284 /* No simple way to #define Perl_fp_class because _fpclass()
2285 * returns a set of bits. */
2286 # define Perl_fp_class_snan(x) (_fpclass(x) & _FPCLASS_SNAN)
2287 # define Perl_fp_class_qnan(x) (_fpclass(x) & _FPCLASS_QNAN)
2288 # define Perl_fp_class_nan(x) (_fpclass(x) & (_FPCLASS_SNAN|_FPCLASS_QNAN))
2289 # define Perl_fp_class_ninf(x) (_fpclass(x) & _FPCLASS_NINF))
2290 # define Perl_fp_class_pinf(x) (_fpclass(x) & _FPCLASS_PINF))
2291 # define Perl_fp_class_inf(x) (_fpclass(x) & (_FPCLASS_NINF|_FPCLASS_PINF))
2292 # define Perl_fp_class_nnorm(x) (_fpclass(x) & _FPCLASS_NN)
2293 # define Perl_fp_class_pnorm(x) (_fpclass(x) & _FPCLASS_PN)
2294 # define Perl_fp_class_norm(x) (_fpclass(x) & (_FPCLASS_NN|_FPCLASS_PN))
2295 # define Perl_fp_class_ndenorm(x) (_fpclass(x) & _FPCLASS_ND)
2296 # define Perl_fp_class_pdenorm(x) (_fpclass(x) & _FPCLASS_PD)
2297 # define Perl_fp_class_denorm(x) (_fpclass(x) & (_FPCLASS_ND|_FPCLASS_PD))
2298 # define Perl_fp_class_nzero(x) (_fpclass(x) & _FPCLASS_NZ)
2299 # define Perl_fp_class_pzero(x) (_fpclass(x) & _FPCLASS_PZ)
2300 # define Perl_fp_class_zero(x) (_fpclass(x) & (_FPCLASS_NZ|_FPCLASS_PZ))
2304 #if !defined(Perl_fp_class_inf) && \
2305 defined(Perl_fp_class_pinf) && defined(Perl_fp_class_ninf)
2306 # define Perl_fp_class_inf(x) \
2307 (Perl_fp_class_pinf(x) || Perl_fp_class_ninf(x))
2310 #if !defined(Perl_fp_class_nan) && \
2311 defined(Perl_fp_class_snan) && defined(Perl_fp_class_qnan)
2312 # define Perl_fp_class_nan(x) \
2313 (Perl_fp_class_snan(x) || Perl_fp_class_qnan(x))
2316 #if !defined(Perl_fp_class_zero) && \
2317 defined(Perl_fp_class_pzero) && defined(Perl_fp_class_nzero)
2318 # define Perl_fp_class_zero(x) \
2319 (Perl_fp_class_pzero(x) || Perl_fp_class_nzero(x))
2322 #if !defined(Perl_fp_class_norm) && \
2323 defined(Perl_fp_class_pnorm) && defined(Perl_fp_class_nnorm)
2324 # define Perl_fp_class_norm(x) \
2325 (Perl_fp_class_pnorm(x) || Perl_fp_class_nnorm(x))
2328 #if !defined(Perl_fp_class_denorm) && \
2329 defined(Perl_fp_class_pdenorm) && defined(Perl_fp_class_ndenorm)
2330 # define Perl_fp_class_denorm(x) \
2331 (Perl_fp_class_pdenorm(x) || Perl_fp_class_ndenorm(x))
2335 int isnan(double d);
2339 # ifdef Perl_fp_class_nan
2340 # define Perl_isnan(x) Perl_fp_class_nan(x)
2342 # ifdef HAS_UNORDERED
2343 # define Perl_isnan(x) unordered((x), 0.0)
2345 # define Perl_isnan(x) ((x)!=(x))
2351 # ifdef Perl_fp_class_inf
2352 # define Perl_isinf(x) Perl_fp_class_inf(x)
2356 #ifndef Perl_isfinite
2357 # if defined(HAS_ISFINITE) && !defined(isfinite)
2358 # define Perl_isfinite(x) isfinite((double)(x))
2359 # elif defined(HAS_FINITE)
2360 # define Perl_isfinite(x) finite((double)(x))
2361 # elif defined(Perl_fp_class_finite)
2362 # define Perl_isfinite(x) Perl_fp_class_finite(x)
2364 /* For the infinities the multiplication returns nan,
2365 * for the nan the multiplication also returns nan,
2366 * for everything else (that is, finite) zero should be returned. */
2367 # define Perl_isfinite(x) (((x) * 0) == 0)
2372 # if defined(Perl_isfinite) && defined(Perl_isnan)
2373 # define Perl_isinf(x) !(Perl_isfinite(x)||Perl_isnan(x))
2377 /* We need Perl_isfinitel (ends with ell) (if available) even when
2378 * not USE_LONG_DOUBLE because the printf code (sv_catpvfn_flags)
2380 #if defined(HAS_LONG_DOUBLE) && !defined(Perl_isfinitel)
2381 /* If isfinite() is a macro and looks like we have C99,
2382 * we assume it's the type-aware C99 isfinite(). */
2383 # if defined(HAS_ISFINITE) && defined(isfinite) && defined(HAS_C99)
2384 # define Perl_isfinitel(x) isfinite(x)
2385 # elif defined(HAS_ISFINITEL)
2386 # define Perl_isfinitel(x) isfinitel(x)
2387 # elif defined(HAS_FINITEL)
2388 # define Perl_isfinitel(x) finitel(x)
2389 # elif defined(HAS_INFL) && defined(HAS_NANL)
2390 # define Perl_isfinitel(x) !(isinfl(x)||isnanl(x))
2392 # define Perl_isfinitel(x) ((x) * 0 == 0) /* See Perl_isfinite. */
2396 /* The default is to use Perl's own atof() implementation (in numeric.c).
2397 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2398 * it is however best to use the native implementation of atof.
2399 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2400 * Some good tests to try out with either setting are t/base/num.t,
2401 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2402 * you may need to be using a different function than atof! */
2404 #ifndef USE_PERL_ATOF
2406 # define USE_PERL_ATOF
2409 # if USE_PERL_ATOF == 0
2410 # undef USE_PERL_ATOF
2414 #ifdef USE_PERL_ATOF
2415 # define Perl_atof(s) Perl_my_atof(s)
2416 # define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2418 # define Perl_atof(s) (NV)atof(s)
2419 # define Perl_atof2(s, n) ((n) = atof(s))
2422 /* Previously these definitions used hardcoded figures.
2423 * It is hoped these formula are more portable, although
2424 * no data one way or another is presently known to me.
2425 * The "PERL_" names are used because these calculated constants
2426 * do not meet the ANSI requirements for LONG_MAX, etc., which
2427 * need to be constants acceptable to #if - kja
2428 * define PERL_LONG_MAX 2147483647L
2429 * define PERL_LONG_MIN (-LONG_MAX - 1)
2430 * define PERL ULONG_MAX 4294967295L
2433 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2434 # include <limits.h>
2436 /* Included values.h above if necessary; still including limits.h down here,
2437 * despite doing above, because math.h might have overridden... XXX - Allen */
2440 * Try to figure out max and min values for the integral types. THE CORRECT
2441 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2442 * following hacks are used if neither limits.h or values.h provide them:
2443 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2444 * for types < int: (unsigned TYPE)~(unsigned)0
2445 * The argument to ~ must be unsigned so that later signed->unsigned
2446 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2447 * and it must not be smaller than int because ~ does integral promotion.
2448 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2449 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2450 * The latter is a hack which happens to work on some machines but
2451 * does *not* catch any random system, or things like integer types
2452 * with NaN if that is possible.
2454 * All of the types are explicitly cast to prevent accidental loss of
2455 * numeric range, and in the hope that they will be less likely to confuse
2456 * over-eager optimizers.
2460 #define PERL_UCHAR_MIN ((unsigned char)0)
2463 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
2466 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
2468 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
2473 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2474 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2475 * depending on local options. Until Configure detects this (or at least
2476 * detects whether the "signed" keyword is available) the CHAR ranges
2477 * will not be included. UCHAR functions normally.
2481 #define PERL_USHORT_MIN ((unsigned short)0)
2484 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
2487 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
2490 # define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2492 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2498 # define PERL_SHORT_MAX ((short)SHORT_MAX)
2500 # ifdef MAXSHORT /* Often used in <values.h> */
2501 # define PERL_SHORT_MAX ((short)MAXSHORT)
2504 # define PERL_SHORT_MAX ((short)SHRT_MAX)
2506 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2512 # define PERL_SHORT_MIN ((short)SHORT_MIN)
2515 # define PERL_SHORT_MIN ((short)MINSHORT)
2518 # define PERL_SHORT_MIN ((short)SHRT_MIN)
2520 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2526 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
2529 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
2531 # define PERL_UINT_MAX (~(unsigned int)0)
2535 #define PERL_UINT_MIN ((unsigned int)0)
2538 # define PERL_INT_MAX ((int)INT_MAX)
2540 # ifdef MAXINT /* Often used in <values.h> */
2541 # define PERL_INT_MAX ((int)MAXINT)
2543 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
2548 # define PERL_INT_MIN ((int)INT_MIN)
2551 # define PERL_INT_MIN ((int)MININT)
2553 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2558 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
2561 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
2563 # define PERL_ULONG_MAX (~(unsigned long)0)
2567 #define PERL_ULONG_MIN ((unsigned long)0L)
2570 # define PERL_LONG_MAX ((long)LONG_MAX)
2572 # ifdef MAXLONG /* Often used in <values.h> */
2573 # define PERL_LONG_MAX ((long)MAXLONG)
2575 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
2580 # define PERL_LONG_MIN ((long)LONG_MIN)
2583 # define PERL_LONG_MIN ((long)MINLONG)
2585 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
2591 # define PERL_UQUAD_MAX (~(UV)0)
2592 # define PERL_UQUAD_MIN ((UV)0)
2593 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
2594 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
2598 typedef MEM_SIZE STRLEN;
2600 typedef struct op OP;
2601 typedef struct cop COP;
2602 typedef struct unop UNOP;
2603 typedef struct unop_aux UNOP_AUX;
2604 typedef struct binop BINOP;
2605 typedef struct listop LISTOP;
2606 typedef struct logop LOGOP;
2607 typedef struct pmop PMOP;
2608 typedef struct svop SVOP;
2609 typedef struct padop PADOP;
2610 typedef struct pvop PVOP;
2611 typedef struct loop LOOP;
2612 typedef struct methop METHOP;
2615 typedef struct opslab OPSLAB;
2616 typedef struct opslot OPSLOT;
2619 typedef struct block_hooks BHK;
2620 typedef struct custom_op XOP;
2622 typedef struct interpreter PerlInterpreter;
2624 /* SGI's <sys/sema.h> has struct sv */
2626 # define STRUCT_SV perl_sv
2628 # define STRUCT_SV sv
2630 typedef struct STRUCT_SV SV;
2631 typedef struct av AV;
2632 typedef struct hv HV;
2633 typedef struct cv CV;
2634 typedef struct p5rx REGEXP;
2635 typedef struct gp GP;
2636 typedef struct gv GV;
2637 typedef struct io IO;
2638 typedef struct context PERL_CONTEXT;
2639 typedef struct block BLOCK;
2641 typedef struct magic MAGIC;
2642 typedef struct xpv XPV;
2643 typedef struct xpviv XPVIV;
2644 typedef struct xpvuv XPVUV;
2645 typedef struct xpvnv XPVNV;
2646 typedef struct xpvmg XPVMG;
2647 typedef struct xpvlv XPVLV;
2648 typedef struct xpvinvlist XINVLIST;
2649 typedef struct xpvav XPVAV;
2650 typedef struct xpvhv XPVHV;
2651 typedef struct xpvgv XPVGV;
2652 typedef struct xpvcv XPVCV;
2653 typedef struct xpvbm XPVBM;
2654 typedef struct xpvfm XPVFM;
2655 typedef struct xpvio XPVIO;
2656 typedef struct mgvtbl MGVTBL;
2657 typedef union any ANY;
2658 typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2659 typedef struct ptr_tbl PTR_TBL_t;
2660 typedef struct clone_params CLONE_PARAMS;
2662 /* a pad is currently just an AV; but that might change,
2663 * so hide the type. */
2664 typedef struct padlist PADLIST;
2666 typedef struct padnamelist PADNAMELIST;
2667 typedef struct padname PADNAME;
2669 /* enable PERL_OP_PARENT by default */
2670 #if !defined(PERL_OP_PARENT) && !defined(PERL_NO_OP_PARENT)
2671 # define PERL_OP_PARENT
2674 /* enable PERL_COPY_ON_WRITE by default */
2675 #if !defined(PERL_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2676 # define PERL_COPY_ON_WRITE
2679 #ifdef PERL_COPY_ON_WRITE
2680 # define PERL_ANY_COW
2682 # define PERL_SAWAMPERSAND
2685 #if defined(PERL_DEBUG_READONLY_OPS) && !defined(USE_ITHREADS)
2686 # error PERL_DEBUG_READONLY_OPS only works with ithreads
2690 #include "charclass_invlists.h"
2692 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
2693 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2694 # define USE_64_BIT_RAWIO /* implicit */
2698 /* Notice the use of HAS_FSEEKO: now we are obligated to always use
2699 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2700 * however, because operating systems like to do that themself. */
2703 # define FSEEKSIZE LSEEKSIZE
2705 # define FSEEKSIZE LONGSIZE
2709 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
2710 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2711 # define USE_64_BIT_STDIO /* implicit */
2715 #ifdef USE_64_BIT_RAWIO
2718 # define Off_t off64_t
2720 # define LSEEKSIZE 8
2722 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2723 * will trigger defines like the ones below. Some 64-bit environments,
2724 * however, do not. Therefore we have to explicitly mix and match. */
2725 # if defined(USE_OPEN64)
2726 # define open open64
2728 # if defined(USE_LSEEK64)
2729 # define lseek lseek64
2731 # if defined(USE_LLSEEK)
2732 # define lseek llseek
2735 # if defined(USE_STAT64)
2736 # define stat stat64
2738 # if defined(USE_FSTAT64)
2739 # define fstat fstat64
2741 # if defined(USE_LSTAT64)
2742 # define lstat lstat64
2744 # if defined(USE_FLOCK64)
2745 # define flock flock64
2747 # if defined(USE_LOCKF64)
2748 # define lockf lockf64
2750 # if defined(USE_FCNTL64)
2751 # define fcntl fcntl64
2753 # if defined(USE_TRUNCATE64)
2754 # define truncate truncate64
2756 # if defined(USE_FTRUNCATE64)
2757 # define ftruncate ftruncate64
2761 #ifdef USE_64_BIT_STDIO
2762 # ifdef HAS_FPOS64_T
2764 # define Fpos_t fpos64_t
2766 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2767 * will trigger defines like the ones below. Some 64-bit environments,
2768 * however, do not. */
2769 # if defined(USE_FOPEN64)
2770 # define fopen fopen64
2772 # if defined(USE_FSEEK64)
2773 # define fseek fseek64 /* don't do fseeko here, see perlio.c */
2775 # if defined(USE_FTELL64)
2776 # define ftell ftell64 /* don't do ftello here, see perlio.c */
2778 # if defined(USE_FSETPOS64)
2779 # define fsetpos fsetpos64
2781 # if defined(USE_FGETPOS64)
2782 # define fgetpos fgetpos64
2784 # if defined(USE_TMPFILE64)
2785 # define tmpfile tmpfile64
2787 # if defined(USE_FREOPEN64)
2788 # define freopen freopen64
2793 # include "iperlsys.h"
2798 # include "os2ish.h"
2800 # include "dosish.h"
2803 # include "vmsish.h"
2804 #elif defined(PLAN9)
2805 # include "./plan9/plan9ish.h"
2806 #elif defined(__VOS__)
2808 # include "./vos/vosish.h"
2810 # include "vos/vosish.h"
2812 #elif defined(__SYMBIAN32__)
2813 # include "symbian/symbianish.h"
2814 #elif defined(__HAIKU__)
2815 # include "haiku/haikuish.h"
2817 # include "unixish.h"
2821 # include "amigaos.h"
2822 # undef FD_CLOEXEC /* a lie in AmigaOS */
2825 /* NSIG logic from Configure --> */
2826 /* Strange style to avoid deeply-nested #if/#else/#endif */
2829 # define NSIG (_NSIG)
2835 # define NSIG (SIGMAX+1)
2841 # define NSIG (SIG_MAX+1)
2847 # define NSIG (_SIG_MAX+1)
2853 # define NSIG (MAXSIG+1)
2859 # define NSIG (MAX_SIG+1)
2864 # ifdef SIGARRAYSIZE
2865 # define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2871 # define NSIG (_sys_nsig) /* Solaris 2.5 */
2875 /* Default to some arbitrary number that's big enough to get most
2876 of the common signals.
2881 /* <-- NSIG logic from Configure */
2883 #ifndef NO_ENVIRON_ARRAY
2884 # define USE_ENVIRON_ARRAY
2888 * initialise to avoid floating-point exceptions from overflow, etc
2890 #ifndef PERL_FPU_INIT
2891 # ifdef HAS_FPSETMASK
2892 # if HAS_FLOATINGPOINT_H
2893 # include <floatingpoint.h>
2895 /* Some operating systems have this as a macro, which in turn expands to a comma
2896 expression, and the last sub-expression is something that gets calculated,
2897 and then they have the gall to warn that a value computed is not used. Hence
2899 # define PERL_FPU_INIT (void)fpsetmask(0)
2901 # if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
2902 # define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
2903 # define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2904 # define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
2906 # define PERL_FPU_INIT
2911 #ifndef PERL_FPU_PRE_EXEC
2912 # define PERL_FPU_PRE_EXEC {
2913 # define PERL_FPU_POST_EXEC }
2916 /* In Tru64 the cc -ieee enables the IEEE math but disables traps.
2917 * We need to reenable the "invalid" trap because otherwise generation
2918 * of NaN values leaves the IEEE fp flags in bad state, leaving any further
2919 * fp ops behaving strangely (Inf + 1 resulting in zero, for example). */
2921 # include <machine/fpu.h>
2922 # define PERL_SYS_FPU_INIT \
2924 ieee_set_fp_control(IEEE_TRAP_ENABLE_INV); \
2925 signal(SIGFPE, SIG_IGN); \
2928 /* In IRIX the default for Flush to Zero bit is true,
2929 * which means that results going below the minimum of normal
2930 * floating points go to zero, instead of going denormal/subnormal.
2931 * This is unlike almost any other system running Perl, so let's clear it.
2932 * [perl #123767] IRIX64 blead (ddce084a) opbasic/arith.t failure, originally
2933 * [perl #120426] small numbers shouldn't round to zero if they have extra floating digits
2935 * XXX The flush-to-zero behaviour should be a Configure scan.
2936 * To change the behaviour usually requires some system-specific
2937 * incantation, though, like the below. */
2939 # include <sys/fpu.h>
2940 # define PERL_SYS_FPU_INIT \
2942 union fpc_csr csr; \
2943 csr.fc_word = get_fpc_csr(); \
2944 csr.fc_struct.flush = 0; \
2945 set_fpc_csr(csr.fc_word); \
2949 #ifndef PERL_SYS_FPU_INIT
2950 # define PERL_SYS_FPU_INIT NOOP
2953 #ifndef PERL_SYS_INIT3_BODY
2954 # define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
2958 =head1 Miscellaneous Functions
2960 =for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
2961 Provides system-specific tune up of the C runtime environment necessary to
2962 run Perl interpreters. This should be called only once, before creating
2963 any Perl interpreters.
2965 =for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
2966 Provides system-specific tune up of the C runtime environment necessary to
2967 run Perl interpreters. This should be called only once, before creating
2968 any Perl interpreters.
2970 =for apidoc Am|void|PERL_SYS_TERM|
2971 Provides system-specific clean up of the C runtime environment after
2972 running Perl interpreters. This should be called only once, after
2973 freeing any remaining Perl interpreters.
2978 #define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2979 #define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
2980 #define PERL_SYS_TERM() Perl_sys_term()
2982 #ifndef PERL_WRITE_MSG_TO_CONSOLE
2983 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2988 # ifdef _POSIX_PATH_MAX
2989 # if PATH_MAX > _POSIX_PATH_MAX
2990 /* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2991 * included the null byte or not. Later amendments of POSIX,
2992 * XPG4, the Austin Group, and the Single UNIX Specification
2993 * all explicitly include the null byte in the PATH_MAX.
2994 * Ditto for _POSIX_PATH_MAX. */
2995 # define MAXPATHLEN PATH_MAX
2997 # define MAXPATHLEN _POSIX_PATH_MAX
3000 # define MAXPATHLEN (PATH_MAX+1)
3003 # define MAXPATHLEN 1024 /* Err on the large side. */
3007 /* In case Configure was not used (we are using a "canned config"
3008 * such as Win32, or a cross-compilation setup, for example) try going
3009 * by the gcc major and minor versions. One useful URL is
3010 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
3011 * but contrary to this information warn_unused_result seems
3012 * not to be in gcc 3.3.5, at least. --jhi
3013 * Also, when building extensions with an installed perl, this allows
3014 * the user to upgrade gcc and get the right attributes, rather than
3015 * relying on the list generated at Configure time. --AD
3016 * Set these up now otherwise we get confused when some of the <*thread.h>
3017 * includes below indirectly pull in <perlio.h> (which needs to know if we
3018 * have HASATTRIBUTE_FORMAT).
3022 #if defined __GNUC__ && !defined(__INTEL_COMPILER)
3023 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
3024 # define HASATTRIBUTE_DEPRECATED
3026 # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
3027 # define HASATTRIBUTE_FORMAT
3028 # if defined __MINGW32__
3029 # define PRINTF_FORMAT_NULL_OK
3032 # if __GNUC__ >= 3 /* 3.0 -> */
3033 # define HASATTRIBUTE_MALLOC
3035 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
3036 # define HASATTRIBUTE_NONNULL
3038 # if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
3039 # define HASATTRIBUTE_NORETURN
3041 # if __GNUC__ >= 3 /* gcc 3.0 -> */
3042 # define HASATTRIBUTE_PURE
3044 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
3045 # define HASATTRIBUTE_UNUSED
3047 # if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
3048 # define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
3050 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
3051 # define HASATTRIBUTE_WARN_UNUSED_RESULT
3054 #endif /* #ifndef PERL_MICRO */
3056 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
3057 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
3058 * this results in many functions being undeclared which bothers C++
3059 * May make sense to have threads after "*ish.h" anyway
3062 /* clang Thread Safety Analysis/Annotations/Attributes
3063 * http://clang.llvm.org/docs/ThreadSafetyAnalysis.html
3065 * Available since clang 3.6-ish (appeared in 3.4, but shaky still in 3.5).
3066 * Apple XCode hijacks __clang_major__ and __clang_minor__
3067 * (6.1 means really clang 3.6), so needs extra hijinks
3068 * (could probably also test the contents of __apple_build_version__).
3070 #if defined(USE_ITHREADS) && defined(I_PTHREAD) && \
3071 defined(__clang__) && \
3073 ((!defined(__apple_build_version__) && \
3074 ((__clang_major__ == 3 && __clang_minor__ >= 6) || \
3075 (__clang_major__ >= 4))) || \
3076 (defined(__apple_build_version__) && \
3077 ((__clang_major__ == 6 && __clang_minor__ >= 1) || \
3078 (__clang_major__ >= 7))))
3079 # define PERL_TSA__(x) __attribute__((x))
3080 # define PERL_TSA_ACTIVE
3082 # define PERL_TSA__(x) /* No TSA, make TSA attributes no-ops. */
3083 # undef PERL_TSA_ACTIVE
3086 /* PERL_TSA_CAPABILITY() is used to annotate typedefs.
3087 * typedef old_type PERL_TSA_CAPABILITY("mutex") new_type;
3089 #define PERL_TSA_CAPABILITY(x) \
3090 PERL_TSA__(capability(x))
3092 /* In the below examples the mutex must be lexically visible, usually
3093 * either as global variables, or as function arguments. */
3095 /* PERL_TSA_GUARDED_BY() is used to annotate global variables.
3097 * Foo foo PERL_TSA_GUARDED_BY(mutex);
3099 #define PERL_TSA_GUARDED_BY(x) \
3100 PERL_TSA__(guarded_by(x))
3102 /* PERL_TSA_PT_GUARDED_BY() is used to annotate global pointers.
3103 * The data _behind_ the pointer is guarded.
3105 * Foo* ptr PERL_TSA_PT_GUARDED_BY(mutex);
3107 #define PERL_TSA_PT_GUARDED_BY(x) \
3108 PERL_TSA__(pt_guarded_by(x))
3110 /* PERL_TSA_REQUIRES() is used to annotate functions.
3111 * The caller MUST hold the resource when calling the function.
3113 * void Foo() PERL_TSA_REQUIRES(mutex);
3115 #define PERL_TSA_REQUIRES(x) \
3116 PERL_TSA__(requires_capability(x))
3118 /* PERL_TSA_EXCLUDES() is used to annotate functions.
3119 * The caller MUST NOT hold resource when calling the function.
3121 * EXCLUDES should be used when the function first acquires
3122 * the resource and then releases it. Use to avoid deadlock.
3124 * void Foo() PERL_TSA_EXCLUDES(mutex);
3126 #define PERL_TSA_EXCLUDES(x) \
3127 PERL_TSA__(locks_excluded(x))
3129 /* PERL_TSA_ACQUIRE() is used to annotate functions.
3130 * The caller MUST NOT hold the resource when calling the function,
3131 * and the function will acquire the resource.
3133 * void Foo() PERL_TSA_ACQUIRE(mutex);
3135 #define PERL_TSA_ACQUIRE(x) \
3136 PERL_TSA__(acquire_capability(x))
3138 /* PERL_TSA_RELEASE() is used to annotate functions.
3139 * The caller MUST hold the resource when calling the function,
3140 * and the function will release the resource.
3142 * void Foo() PERL_TSA_RELEASE(mutex);
3144 #define PERL_TSA_RELEASE(x) \
3145 PERL_TSA__(release_capability(x))
3147 /* PERL_TSA_NO_TSA is used to annotate functions.
3148 * Used when being intentionally unsafe, or when the code is too
3149 * complicated for the analysis. Use sparingly.
3151 * void Foo() PERL_TSA_NO_TSA;
3153 #define PERL_TSA_NO_TSA \
3154 PERL_TSA__(no_thread_safety_analysis)
3156 /* There are more annotations/attributes available, see the clang
3157 * documentation for details. */
3159 #if defined(USE_ITHREADS)
3161 # include <nw5thread.h>
3164 # include <win32thread.h>
3167 # include "os2thread.h"
3169 # ifdef I_MACH_CTHREADS
3170 # include <mach/cthreads.h>
3171 typedef cthread_t perl_os_thread;
3172 typedef mutex_t perl_mutex;
3173 typedef condition_t perl_cond;
3174 typedef void * perl_key;
3175 # else /* Posix threads */
3177 # include <pthread.h>
3179 typedef pthread_t perl_os_thread;
3180 typedef pthread_mutex_t PERL_TSA_CAPABILITY("mutex") perl_mutex;
3181 typedef pthread_cond_t perl_cond;
3182 typedef pthread_key_t perl_key;
3183 # endif /* I_MACH_CTHREADS */
3186 # endif /* NETWARE */
3187 #endif /* USE_ITHREADS */
3189 #ifdef PERL_TSA_ACTIVE
3190 /* Since most pthread mutex interfaces have not been annotated, we
3191 * need to have these wrappers. The NO_TSA annotation is quite ugly
3192 * but it cannot be avoided in plain C, unlike in C++, where one could
3193 * e.g. use ACQUIRE() with no arg on a mutex lock method.
3195 * The bodies of these wrappers are in util.c
3197 * TODO: however, some platforms are starting to get these clang
3198 * thread safety annotations for pthreads, for example FreeBSD.
3199 * Do we need a way to a bypass these wrappers? */
3200 EXTERN_C int perl_tsa_mutex_lock(perl_mutex* mutex)
3201 PERL_TSA_ACQUIRE(*mutex)
3203 EXTERN_C int perl_tsa_mutex_unlock(perl_mutex* mutex)
3204 PERL_TSA_RELEASE(*mutex)
3213 # include "netware.h"
3216 #define STATUS_UNIX PL_statusvalue
3218 # define STATUS_NATIVE PL_statusvalue_vms
3220 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
3221 * its contents can not be trusted. Unfortunately, Perl seems to check
3222 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
3225 # include <stsdef.h>
3227 /* Presume this because if VMS changes it, it will require a new
3228 * set of APIs for waiting on children for binary compatibility.
3230 # define child_offset_bits (8)
3231 # ifndef C_FAC_POSIX
3232 # define C_FAC_POSIX 0x35A000
3235 /* STATUS_EXIT - validates and returns a NATIVE exit status code for the
3236 * platform from the existing UNIX or Native status values.
3239 # define STATUS_EXIT \
3240 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
3241 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
3244 /* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
3245 * exit code and shifts the UNIX value over the correct number of bits to
3246 * be a child status. Usually the number of bits is 8, but that could be
3247 * platform dependent. The NATIVE status code is presumed to have either
3248 * from a child process.
3251 /* This is complicated. The child processes return a true native VMS
3252 status which must be saved. But there is an assumption in Perl that
3253 the UNIX child status has some relationship to errno values, so
3254 Perl tries to translate it to text in some of the tests.
3255 In order to get the string translation correct, for the error, errno
3256 must be EVMSERR, but that generates a different text message
3257 than what the test programs are expecting. So an errno value must
3258 be derived from the native status value when an error occurs.
3259 That will hide the true native status message. With this version of
3260 perl, the true native child status can always be retrieved so that
3261 is not a problem. But in this case, Pl_statusvalue and errno may
3262 have different values in them.
3265 # define STATUS_NATIVE_CHILD_SET(n) \
3267 I32 evalue = (I32)n; \
3268 if (evalue == EVMSERR) { \
3269 PL_statusvalue_vms = vaxc$errno; \
3270 PL_statusvalue = evalue; \
3272 PL_statusvalue_vms = evalue; \
3273 if (evalue == -1) { \
3274 PL_statusvalue = -1; \
3275 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
3277 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
3278 set_vaxc_errno(evalue); \
3279 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
3280 set_errno(EVMSERR); \
3281 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
3282 PL_statusvalue = PL_statusvalue << child_offset_bits; \
3286 # ifdef VMSISH_STATUS
3287 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
3289 # define STATUS_CURRENT STATUS_UNIX
3292 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
3293 * the NATIVE status to an equivalent value. Can not be used to translate
3294 * exit code values as exit code values are not guaranteed to have any
3295 * relationship at all to errno values.
3296 * This is used when Perl is forcing errno to have a specific value.
3298 # define STATUS_UNIX_SET(n) \
3300 I32 evalue = (I32)n; \
3301 PL_statusvalue = evalue; \
3302 if (PL_statusvalue != -1) { \
3303 if (PL_statusvalue != EVMSERR) { \
3304 PL_statusvalue &= 0xFFFF; \
3305 if (MY_POSIX_EXIT) \
3306 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
3307 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
3310 PL_statusvalue_vms = vaxc$errno; \
3313 else PL_statusvalue_vms = SS$_ABORT; \
3314 set_vaxc_errno(PL_statusvalue_vms); \
3317 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
3318 * the NATIVE error status based on it.
3320 * When in the default mode to comply with the Perl VMS documentation,
3321 * 0 is a success and any other code sets the NATIVE status to a failure
3322 * code of SS$_ABORT.
3324 * In the new POSIX EXIT mode, native status will be set so that the
3325 * actual exit code will can be retrieved by the calling program or
3328 * If the exit code is not clearly a UNIX parent or child exit status,
3329 * it will be passed through as a VMS status.
3332 # define STATUS_UNIX_EXIT_SET(n) \
3334 I32 evalue = (I32)n; \
3335 PL_statusvalue = evalue; \
3336 if (MY_POSIX_EXIT) { \
3337 if (evalue <= 0xFF00) { \
3338 if (evalue > 0xFF) \
3339 evalue = (evalue >> child_offset_bits) & 0xFF; \
3340 PL_statusvalue_vms = \
3341 (C_FAC_POSIX | (evalue << 3 ) | \
3342 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3343 } else /* forgive them Perl, for they have sinned */ \
3344 PL_statusvalue_vms = evalue; \
3347 PL_statusvalue_vms = SS$_NORMAL; \
3348 else if (evalue <= 0xFF00) \
3349 PL_statusvalue_vms = SS$_ABORT; \
3350 else { /* forgive them Perl, for they have sinned */ \
3351 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3352 else PL_statusvalue_vms = vaxc$errno; \
3353 /* And obviously used a VMS status value instead of UNIX */ \
3354 PL_statusvalue = EVMSERR; \
3356 set_vaxc_errno(PL_statusvalue_vms); \
3361 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3362 * and sets the NATIVE error status based on it. This special case
3363 * is needed to maintain compatibility with past VMS behavior.
3365 * In the default mode on VMS, this number is passed through as
3366 * both the NATIVE and UNIX status. Which makes it different
3367 * that the STATUS_UNIX_EXIT_SET.
3369 * In the new POSIX EXIT mode, native status will be set so that the
3370 * actual exit code will can be retrieved by the calling program or
3373 * A POSIX exit code is from 0 to 255. If the exit code is higher
3374 * than this, it needs to be assumed that it is a VMS exit code and
3378 # define STATUS_EXIT_SET(n) \
3380 I32 evalue = (I32)n; \
3381 PL_statusvalue = evalue; \
3382 if (MY_POSIX_EXIT) \
3383 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3384 PL_statusvalue_vms = \
3385 (C_FAC_POSIX | (evalue << 3 ) | \
3386 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
3388 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3389 set_vaxc_errno(PL_statusvalue_vms); \
3393 /* This macro forces a success status */
3394 # define STATUS_ALL_SUCCESS \
3395 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
3397 /* This macro forces a failure status */
3398 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3399 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3400 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
3402 #elif defined(__amigaos4__)
3403 /* A somewhat experimental attempt to simulate posix return code values */
3404 # define STATUS_NATIVE PL_statusvalue_posix
3405 # define STATUS_NATIVE_CHILD_SET(n) \
3407 PL_statusvalue_posix = (n); \
3408 if (PL_statusvalue_posix < 0) { \
3409 PL_statusvalue = -1; \
3412 PL_statusvalue = n << 8; \
3415 # define STATUS_UNIX_SET(n) \
3417 PL_statusvalue = (n); \
3418 if (PL_statusvalue != -1) \
3419 PL_statusvalue &= 0xFFFF; \
3421 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3422 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3423 # define STATUS_CURRENT STATUS_UNIX
3424 # define STATUS_EXIT STATUS_UNIX
3425 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3426 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3429 # define STATUS_NATIVE PL_statusvalue_posix
3430 # if defined(WCOREDUMP)
3431 # define STATUS_NATIVE_CHILD_SET(n) \
3433 PL_statusvalue_posix = (n); \
3434 if (PL_statusvalue_posix == -1) \
3435 PL_statusvalue = -1; \
3438 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3439 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3440 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3443 # elif defined(WIFEXITED)
3444 # define STATUS_NATIVE_CHILD_SET(n) \
3446 PL_statusvalue_posix = (n); \
3447 if (PL_statusvalue_posix == -1) \
3448 PL_statusvalue = -1; \
3451 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3452 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3456 # define STATUS_NATIVE_CHILD_SET(n) \
3458 PL_statusvalue_posix = (n); \
3459 if (PL_statusvalue_posix == -1) \
3460 PL_statusvalue = -1; \
3463 PL_statusvalue_posix & 0xFFFF; \
3467 # define STATUS_UNIX_SET(n) \
3469 PL_statusvalue = (n); \
3470 if (PL_statusvalue != -1) \
3471 PL_statusvalue &= 0xFFFF; \
3473 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3474 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3475 # define STATUS_CURRENT STATUS_UNIX
3476 # define STATUS_EXIT STATUS_UNIX
3477 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3478 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3481 /* flags in PL_exit_flags for nature of exit() */
3482 #define PERL_EXIT_EXPECTED 0x01
3483 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
3484 #define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3485 #define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
3488 /* format to use for version numbers in file/directory names */
3489 /* XXX move to Configure? */
3490 /* This was only ever used for the current version, and that can be done at
3491 compile time, as PERL_FS_VERSION, so should we just delete it? */
3492 # ifndef PERL_FS_VER_FMT
3493 # define PERL_FS_VER_FMT "%d.%d.%d"
3497 #ifndef PERL_FS_VERSION
3498 # define PERL_FS_VERSION PERL_VERSION_STRING
3501 /* This defines a way to flush all output buffers. This may be a
3502 * performance issue, so we allow people to disable it. Also, if
3503 * we are using stdio, there are broken implementations of fflush(NULL)
3504 * out there, Solaris being the most prominent.
3506 #ifndef PERL_FLUSHALL_FOR_CHILD
3507 # if defined(USE_PERLIO) || defined(FFLUSH_NULL)
3508 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
3511 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
3513 # define PERL_FLUSHALL_FOR_CHILD NOOP
3518 #ifndef PERL_WAIT_FOR_CHILDREN
3519 # define PERL_WAIT_FOR_CHILDREN NOOP
3522 /* the traditional thread-unsafe notion of "current interpreter". */
3523 #ifndef PERL_SET_INTERP
3524 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3527 #ifndef PERL_GET_INTERP
3528 # define PERL_GET_INTERP (PL_curinterp)
3531 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
3532 # ifdef MULTIPLICITY
3533 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
3535 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3539 This replaces the previous %_ "hack" by the "%p" hacks.
3540 All that is required is that the perl source does not
3541 use "%-p" or "%-<number>p" or "%<number>p" formats.
3542 These formats will still work in perl code.
3543 See comments in sv.c for further details.
3545 Robin Barker 2005-07-14
3547 No longer use %1p for VDf = %vd. RMB 2007-10-19
3551 # define SVf_(n) "-" STRINGIFY(n) "p"
3559 # define SVf32 SVf_(32)
3563 # define SVf256 SVf_(256)
3566 #define SVfARG(p) ((void*)(p))
3572 /* Not ideal, but we cannot easily include a number in an already-numeric
3573 * format sequence. */
3575 # define HEKf256 "3p"
3578 #define HEKfARG(p) ((void*)(p))
3580 /* Takes three arguments: is_utf8, length, str */
3582 # define UTF8f "d%" UVuf "%4p"
3584 #define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3587 #define PNfARG(pn) (int)1, (UV)PadnameLEN(pn), (void *)PadnamePV(pn)
3590 /* not used; but needed for backward compatibility with XS code? - RMB */
3598 #ifdef HASATTRIBUTE_DEPRECATED
3599 # define __attribute__deprecated__ __attribute__((deprecated))
3601 #ifdef HASATTRIBUTE_FORMAT
3602 # define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3604 #ifdef HASATTRIBUTE_MALLOC
3605 # define __attribute__malloc__ __attribute__((__malloc__))
3607 #ifdef HASATTRIBUTE_NONNULL
3608 # define __attribute__nonnull__(a) __attribute__((nonnull(a)))
3610 #ifdef HASATTRIBUTE_NORETURN
3611 # define __attribute__noreturn__ __attribute__((noreturn))
3613 #ifdef HASATTRIBUTE_PURE
3614 # define __attribute__pure__ __attribute__((pure))
3616 #ifdef HASATTRIBUTE_UNUSED
3617 # define __attribute__unused__ __attribute__((unused))
3619 #ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
3620 # define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
3623 /* If we haven't defined the attributes yet, define them to blank. */
3624 #ifndef __attribute__deprecated__
3625 # define __attribute__deprecated__
3627 #ifndef __attribute__format__
3628 # define __attribute__format__(x,y,z)
3630 #ifndef __attribute__malloc__
3631 # define __attribute__malloc__
3633 #ifndef __attribute__nonnull__
3634 # define __attribute__nonnull__(a)
3636 #ifndef __attribute__noreturn__
3637 # define __attribute__noreturn__
3639 #ifndef __attribute__pure__
3640 # define __attribute__pure__
3642 #ifndef __attribute__unused__
3643 # define __attribute__unused__
3645 #ifndef __attribute__warn_unused_result__
3646 # define __attribute__warn_unused_result__
3650 # if !defined(DEBUGGING) && !defined(NDEBUG)
3653 # include <assert.h>
3656 /* For functions that are marked as __attribute__noreturn__, it's not
3657 appropriate to call return. In either case, include the lint directive.
3659 #ifdef HASATTRIBUTE_NORETURN
3660 # define NORETURN_FUNCTION_END NOT_REACHED;
3662 # define NORETURN_FUNCTION_END NOT_REACHED; return 0
3665 /* Some OS warn on NULL format to printf */
3666 #ifdef PRINTF_FORMAT_NULL_OK
3667 # define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3669 # define __attribute__format__null_ok__(x,y,z)
3672 #ifdef HAS_BUILTIN_EXPECT
3673 # define EXPECT(expr,val) __builtin_expect(expr,val)
3675 # define EXPECT(expr,val) (expr)
3677 #define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3678 #define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
3679 #ifdef HAS_BUILTIN_CHOOSE_EXPR
3683 /* STATIC_ASSERT_GLOBAL/STATIC_ASSERT_STMT are like assert(), but for compile
3684 time invariants. That is, their argument must be a constant expression that
3685 can be verified by the compiler. This expression can contain anything that's
3686 known to the compiler, e.g. #define constants, enums, or sizeof (...). If
3687 the expression evaluates to 0, compilation fails.
3688 Because they generate no runtime code (i.e. their use is "free"), they're
3689 always active, even under non-DEBUGGING builds.
3690 STATIC_ASSERT_GLOBAL expands to a declaration and is suitable for use at
3691 file scope (outside of any function).
3692 STATIC_ASSERT_STMT expands to a statement and is suitable for use inside a
3695 #if (defined(static_assert) || (defined(__cplusplus) && __cplusplus >= 201103L)) && (!defined(__IBMC__) || __IBMC__ >= 1210)
3696 /* static_assert is a macro defined in <assert.h> in C11 or a compiler
3699 /* IBM XL C V11 does not support _Static_assert, no matter what <assert.h> says */
3700 # define STATIC_ASSERT_GLOBAL(COND) static_assert(COND, #COND)
3702 /* We use a bit-field instead of an array because gcc accepts
3703 'typedef char x[n]' where n is not a compile-time constant.
3704 We want to enforce constantness.
3706 # define STATIC_ASSERT_2(COND, SUFFIX) \
3708 unsigned int _static_assertion_failed_##SUFFIX : (COND) ? 1 : -1; \
3709 } _static_assertion_failed_##SUFFIX PERL_UNUSED_DECL
3710 # define STATIC_ASSERT_1(COND, SUFFIX) STATIC_ASSERT_2(COND, SUFFIX)
3711 # define STATIC_ASSERT_GLOBAL(COND) STATIC_ASSERT_1(COND, __LINE__)
3713 /* We need this wrapper even in C11 because 'case X: static_assert(...);' is an
3714 error (static_assert is a declaration, and only statements can have labels).
3716 #define STATIC_ASSERT_STMT(COND) do { STATIC_ASSERT_GLOBAL(COND); } while (0)
3718 #ifndef __has_builtin
3719 # define __has_builtin(x) 0 /* not a clang style compiler */
3722 /* ASSUME is like assert(), but it has a benefit in a release build. It is a
3723 hint to a compiler about a statement of fact in a function call free
3724 expression, which allows the compiler to generate better machine code.
3725 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3726 the control path is unreachable. In a for loop, ASSUME can be used to hint
3727 that a loop will run at least X times. ASSUME is based off MSVC's __assume
3728 intrinsic function, see its documents for more details.
3732 # if __has_builtin(__builtin_unreachable) \
3733 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4) /* 4.5 -> */
3734 # define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3735 # elif defined(_MSC_VER)
3736 # define ASSUME(x) __assume(x)
3737 # elif defined(__ARMCC_VERSION) /* untested */
3738 # define ASSUME(x) __promise(x)
3740 /* a random compiler might define assert to its own special optimization token
3741 so pass it through to C lib as a last resort */
3742 # define ASSUME(x) assert(x)
3745 # define ASSUME(x) assert(x)
3748 #define NOT_REACHED ASSUME(0)
3750 /* Some unistd.h's give a prototype for pause() even though
3751 HAS_PAUSE ends up undefined. This causes the #define
3752 below to be rejected by the compiler. Sigh.
3757 #define Pause() sleep((32767<<16)+32767)
3761 # ifdef IOCPARM_MASK
3762 /* on BSDish systems we're safe */
3763 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3765 # if defined(_IOC_SIZE) && defined(__GLIBC__)
3766 /* on Linux systems we're safe; except when we're not [perl #38223] */
3767 # define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
3769 /* otherwise guess at what's safe */
3770 # define IOCPARM_LEN(x) 256
3775 #if defined(__CYGWIN__)
3777 * This symbol, if defined, indicates that the program should
3778 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
3779 * that a file is in "binary" mode -- that is, that no translation
3780 * of bytes occurs on read or write operations.
3782 # define USEMYBINMODE /**/
3783 # include <io.h> /* for setmode() prototype */
3784 # define my_binmode(fp, iotype, mode) \
3785 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
3789 void init_os_extras(void);
3792 #ifdef UNION_ANY_DEFINITION
3793 UNION_ANY_DEFINITION;
3803 void (*any_dptr) (void*);
3804 void (*any_dxptr) (pTHX_ void*);
3808 typedef I32 (*filter_t) (pTHX_ int, SV *, int);
3810 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3811 #define FILTER_DATA(idx) \
3812 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3813 #define FILTER_ISREADER(idx) \
3814 (PL_parser && PL_parser->rsfp_filters \
3815 && idx >= AvFILLp(PL_parser->rsfp_filters))
3816 #define PERL_FILTER_EXISTS(i) \
3817 (PL_parser && PL_parser->rsfp_filters \
3818 && (i) <= av_tindex(PL_parser->rsfp_filters))
3820 #if defined(_AIX) && !defined(_AIX43)
3821 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3822 /* We cannot include <crypt.h> to get the struct crypt_data
3823 * because of setkey prototype problems when threading */
3824 typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3825 /* From OSF, Not needed in AIX
3833 #endif /* threading */
3836 #ifndef PERL_CALLCONV
3838 # define PERL_CALLCONV extern "C"
3840 # define PERL_CALLCONV
3843 #ifndef PERL_CALLCONV_NO_RET
3844 # define PERL_CALLCONV_NO_RET PERL_CALLCONV
3847 /* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
3848 dont have a noreturn as a declaration specifier
3850 #ifndef PERL_STATIC_NO_RET
3851 # define PERL_STATIC_NO_RET STATIC
3853 /* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
3854 builds that dont have a noreturn as a declaration specifier
3856 #ifndef PERL_STATIC_INLINE_NO_RET
3857 # define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
3861 # include "iperlsys.h"
3864 #ifdef __LIBCATAMOUNT__
3865 #undef HAS_PASSWD /* unixish.h but not unixish enough. */
3867 #define FAKE_BIT_BUCKET
3870 /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3871 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3872 * defined by Configure, despite their names being similar to the
3873 * other defines like USE_ITHREADS. Configure in fact knows nothing
3874 * about the randomised hashes. Therefore to enable/disable the hash
3875 * randomisation defines use the Configure -Accflags=... instead. */
3876 #if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
3877 # define USE_HASH_SEED
3880 /* Win32 defines a type 'WORD' in windef.h, and AmigaOS in exec/types.h.
3881 * This conflicts with the enumerator 'WORD' defined in perly.h.
3882 * The yytokentype enum is only a debugging aid, so it's not really needed. */
3883 #if defined(WIN32) || defined(__amigaos4__)
3884 # define YYTOKENTYPE
3889 /* macros to define bit-fields in structs. */
3890 #ifndef PERL_BITFIELD8
3891 # define PERL_BITFIELD8 unsigned
3893 #ifndef PERL_BITFIELD16
3894 # define PERL_BITFIELD16 unsigned
3896 #ifndef PERL_BITFIELD32
3897 # define PERL_BITFIELD32 unsigned
3907 #include "opnames.h"
3914 #include "warnings.h"
3917 /* these would be in doio.h if there was such a file */
3918 #define my_stat() my_stat_flags(SV_GMAGIC)
3919 #define my_lstat() my_lstat_flags(SV_GMAGIC)
3921 /* defined in sv.c, but also used in [ach]v.c */
3924 #undef _XPVCV_COMMON
3926 typedef struct _sublex_info SUBLEXINFO;
3927 struct _sublex_info {
3928 U8 super_state; /* lexer state to save */
3929 U16 sub_inwhat; /* "lex_inwhat" to use */
3930 OP *sub_op; /* "lex_op" to use */
3931 SV *repl; /* replacement of s/// or y/// */
3936 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
3938 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3940 /* These have to be predeclared, as they are used in proto.h which is #included
3941 * before their definitions in regcomp.h. */
3944 typedef struct regnode_charclass regnode_charclass;
3946 struct regnode_charclass_class;
3948 /* A hopefully less confusing name. The sub-classes are all Posix classes only
3949 * used under /l matching */
3950 typedef struct regnode_charclass_class regnode_charclass_posixl;
3952 typedef struct regnode_ssc regnode_ssc;
3953 typedef struct RExC_state_t RExC_state_t;
3954 struct _reg_trie_data;
3958 struct ptr_tbl_ent {
3959 struct ptr_tbl_ent* next;
3965 struct ptr_tbl_ent** tbl_ary;
3968 struct ptr_tbl_arena *tbl_arena;
3969 struct ptr_tbl_ent *tbl_arena_next;
3970 struct ptr_tbl_ent *tbl_arena_end;
3973 #if defined(htonl) && !defined(HAS_HTONL)
3976 #if defined(htons) && !defined(HAS_HTONS)
3979 #if defined(ntohl) && !defined(HAS_NTOHL)
3982 #if defined(ntohs) && !defined(HAS_NTOHS)
3990 # if (BYTEORDER & 0xffff) == 0x4321
3991 /* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3992 re-order their values. However, to behave identically to the alternative
3993 implementations, they should truncate to the correct size. */
3994 # define ntohl(x) ((x)&0xFFFFFFFF)
3995 # define htonl(x) ntohl(x)
3996 # define ntohs(x) ((x)&0xFFFF)
3997 # define htons(x) ntohs(x)
3998 # elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
4000 /* Note that we can't straight out declare our own htonl and htons because
4001 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
4002 to avoid the overhead of initialising the socket subsystem, but the headers
4003 that *declare* the various functions are still seen. If we declare our own
4004 htonl etc they will clash with the declarations in the Win32 headers. */
4006 PERL_STATIC_INLINE U32
4007 my_swap32(const U32 x) {
4008 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
4009 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
4012 PERL_STATIC_INLINE U16
4013 my_swap16(const U16 x) {
4014 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
4017 # define htonl(x) my_swap32(x)
4018 # define ntohl(x) my_swap32(x)
4019 # define ntohs(x) my_swap16(x)
4020 # define htons(x) my_swap16(x)
4022 # error "Unsupported byteorder"
4023 /* The C pre-processor doesn't let us return the value of BYTEORDER as part of
4024 the error message. Please check the value of the macro BYTEORDER, as defined
4025 in config.h. The values of BYTEORDER we expect are
4027 big endian little endian
4028 32 bit 0x4321 0x1234
4029 64 bit 0x87654321 0x12345678
4031 If you have a system with a different byte order, please see
4032 pod/perlhack.pod for how to submit a patch to add supporting code.
4038 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
4041 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
4042 /* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
4043 re-order their values. However, to behave identically to the alternative
4044 implementations, they should truncate to the correct size. */
4045 # define vtohl(x) ((x)&0xFFFFFFFF)
4046 # define vtohs(x) ((x)&0xFFFF)
4047 # define htovl(x) vtohl(x)
4048 # define htovs(x) vtohs(x)
4049 #elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
4050 # define vtohl(x) ((((x)&0xFF)<<24) \
4052 +(((x)&0x0000FF00)<<8) \
4053 +(((x)&0x00FF0000)>>8) )
4054 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
4055 # define htovl(x) vtohl(x)
4056 # define htovs(x) vtohs(x)
4058 # error "Unsupported byteorder"
4059 /* If you have need for current perl on PDP-11 or similar, and can help test
4060 that blead keeps working on a mixed-endian system, then see
4061 pod/perlhack.pod for how to submit patches to things working again. */
4064 /* *MAX Plus 1. A floating point value.
4065 Hopefully expressed in a way that dodgy floating point can't mess up.
4066 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
4068 May find that some broken compiler will want the value cast to I32.
4069 [after the shift, as signed >> may not be as secure as unsigned >>]
4071 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
4072 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
4073 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
4074 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
4075 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
4077 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
4079 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
4080 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
4081 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
4083 /* This may look like unnecessary jumping through hoops, but converting
4084 out of range floating point values to integers *is* undefined behaviour,
4085 and it is starting to bite.
4088 #define I_32(what) (cast_i32((NV)(what)))
4089 #define U_32(what) (cast_ulong((NV)(what)))
4090 #define I_V(what) (cast_iv((NV)(what)))
4091 #define U_V(what) (cast_uv((NV)(what)))
4093 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
4094 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
4095 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
4096 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
4097 : ((n) < U32_MAX_P1 ? (U32) (n) \
4098 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
4099 #define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
4100 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
4101 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
4102 #define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
4103 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
4104 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
4107 #define U_S(what) ((U16)U_32(what))
4108 #define U_I(what) ((unsigned int)U_32(what))
4109 #define U_L(what) U_32(what)
4112 # define Perl_signbit signbit
4115 /* These do not care about the fractional part, only about the range. */
4116 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
4117 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
4119 /* Used with UV/IV arguments: */
4120 /* XXXX: need to speed it up */
4121 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
4122 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
4129 #if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
4130 Uid_t getuid (void);
4131 Uid_t geteuid (void);
4132 Gid_t getgid (void);
4133 Gid_t getegid (void);
4137 #ifndef Perl_debug_log
4138 # define Perl_debug_log PerlIO_stderr()
4141 #ifndef Perl_error_log
4142 # define Perl_error_log (PL_stderrgv \
4143 && isGV(PL_stderrgv) \
4144 && GvIOp(PL_stderrgv) \
4145 && IoOFP(GvIOp(PL_stderrgv)) \
4146 ? IoOFP(GvIOp(PL_stderrgv)) \
4151 #define DEBUG_p_FLAG 0x00000001 /* 1 */
4152 #define DEBUG_s_FLAG 0x00000002 /* 2 */
4153 #define DEBUG_l_FLAG 0x00000004 /* 4 */
4154 #define DEBUG_t_FLAG 0x00000008 /* 8 */
4155 #define DEBUG_o_FLAG 0x00000010 /* 16 */
4156 #define DEBUG_c_FLAG 0x00000020 /* 32 */
4157 #define DEBUG_P_FLAG 0x00000040 /* 64 */
4158 #define DEBUG_m_FLAG 0x00000080 /* 128 */
4159 #define DEBUG_f_FLAG 0x00000100 /* 256 */
4160 #define DEBUG_r_FLAG 0x00000200 /* 512 */
4161 #define DEBUG_x_FLAG 0x00000400 /* 1024 */
4162 #define DEBUG_u_FLAG 0x00000800 /* 2048 */
4163 /* U is reserved for Unofficial, exploratory hacking */
4164 #define DEBUG_U_FLAG 0x00001000 /* 4096 */
4165 #define DEBUG_H_FLAG 0x00002000 /* 8192 */
4166 #define DEBUG_X_FLAG 0x00004000 /* 16384 */
4167 #define DEBUG_D_FLAG 0x00008000 /* 32768 */
4168 #define DEBUG_S_FLAG 0x00010000 /* 65536 */
4169 #define DEBUG_T_FLAG 0x00020000 /* 131072 */
4170 #define DEBUG_R_FLAG 0x00040000 /* 262144 */
4171 #define DEBUG_J_FLAG 0x00080000 /* 524288 */
4172 #define DEBUG_v_FLAG 0x00100000 /*1048576 */
4173 #define DEBUG_C_FLAG 0x00200000 /*2097152 */
4174 #define DEBUG_A_FLAG 0x00400000 /*4194304 */
4175 #define DEBUG_q_FLAG 0x00800000 /*8388608 */
4176 #define DEBUG_M_FLAG 0x01000000 /*16777216*/
4177 #define DEBUG_B_FLAG 0x02000000 /*33554432*/
4178 #define DEBUG_L_FLAG 0x04000000 /*67108864*/
4179 #define DEBUG_i_FLAG 0x08000000 /*134217728*/
4180 #define DEBUG_MASK 0x0FFFEFFF /* mask of all the standard flags */
4182 #define DEBUG_DB_RECURSE_FLAG 0x40000000
4183 #define DEBUG_TOP_FLAG 0x80000000 /* -D was given --> PL_debug |= FLAG */
4185 # define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
4186 # define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
4187 # define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
4188 # define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
4189 # define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
4190 # define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
4191 # define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
4192 # define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
4193 # define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
4194 # define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
4195 # define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
4196 # define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
4197 # define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
4198 # define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
4199 # define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
4200 # define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
4201 # define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
4202 # define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
4203 # define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
4204 # define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
4205 # define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
4206 # define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
4207 # define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
4208 # define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
4209 # define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
4210 # define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
4211 # define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
4212 # define DEBUG_i_TEST_ (PL_debug & DEBUG_i_FLAG)
4213 # define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
4214 # define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
4215 # define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
4216 # define DEBUG_Lv_TEST_ (DEBUG_L_TEST_ && DEBUG_v_TEST_)
4220 # define DEBUG_p_TEST DEBUG_p_TEST_
4221 # define DEBUG_s_TEST DEBUG_s_TEST_
4222 # define DEBUG_l_TEST DEBUG_l_TEST_
4223 # define DEBUG_t_TEST DEBUG_t_TEST_
4224 # define DEBUG_o_TEST DEBUG_o_TEST_
4225 # define DEBUG_c_TEST DEBUG_c_TEST_
4226 # define DEBUG_P_TEST DEBUG_P_TEST_
4227 # define DEBUG_m_TEST DEBUG_m_TEST_
4228 # define DEBUG_f_TEST DEBUG_f_TEST_
4229 # define DEBUG_r_TEST DEBUG_r_TEST_
4230 # define DEBUG_x_TEST DEBUG_x_TEST_
4231 # define DEBUG_u_TEST DEBUG_u_TEST_
4232 # define DEBUG_U_TEST DEBUG_U_TEST_
4233 # define DEBUG_H_TEST DEBUG_H_TEST_
4234 # define DEBUG_X_TEST DEBUG_X_TEST_
4235 # define DEBUG_D_TEST DEBUG_D_TEST_
4236 # define DEBUG_S_TEST DEBUG_S_TEST_
4237 # define DEBUG_T_TEST DEBUG_T_TEST_
4238 # define DEBUG_R_TEST DEBUG_R_TEST_
4239 # define DEBUG_J_TEST DEBUG_J_TEST_
4240 # define DEBUG_v_TEST DEBUG_v_TEST_
4241 # define DEBUG_C_TEST DEBUG_C_TEST_
4242 # define DEBUG_A_TEST DEBUG_A_TEST_
4243 # define DEBUG_q_TEST DEBUG_q_TEST_
4244 # define DEBUG_M_TEST DEBUG_M_TEST_
4245 # define DEBUG_B_TEST DEBUG_B_TEST_
4246 # define DEBUG_L_TEST DEBUG_L_TEST_
4247 # define DEBUG_i_TEST DEBUG_i_TEST_
4248 # define DEBUG_Xv_TEST DEBUG_Xv_TEST_
4249 # define DEBUG_Uv_TEST DEBUG_Uv_TEST_
4250 # define DEBUG_Pv_TEST DEBUG_Pv_TEST_
4251 # define DEBUG_Lv_TEST DEBUG_Lv_TEST_
4253 # define PERL_DEB(a) a
4254 # define PERL_DEB2(a,b) a
4255 # define PERL_DEBUG(a) if (PL_debug) a
4256 # define DEBUG_p(a) if (DEBUG_p_TEST) a
4257 # define DEBUG_s(a) if (DEBUG_s_TEST) a
4258 # define DEBUG_l(a) if (DEBUG_l_TEST) a
4259 # define DEBUG_t(a) if (DEBUG_t_TEST) a
4260 # define DEBUG_o(a) if (DEBUG_o_TEST) a
4261 # define DEBUG_c(a) if (DEBUG_c_TEST) a
4262 # define DEBUG_P(a) if (DEBUG_P_TEST) a
4264 /* Temporarily turn off memory debugging in case the a
4265 * does memory allocation, either directly or indirectly. */
4266 # define DEBUG_m(a) \
4268 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
4271 # define DEBUG__(t, a) \
4273 if (t) STMT_START {a;} STMT_END; \
4276 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
4277 #ifndef PERL_EXT_RE_BUILD
4278 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
4280 # define DEBUG_r(a) STMT_START {a;} STMT_END
4281 #endif /* PERL_EXT_RE_BUILD */
4282 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
4283 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
4284 # define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
4285 # define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
4286 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
4287 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
4288 # define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
4289 # define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
4290 # define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
4291 # define DEBUG_Lv(a) DEBUG__(DEBUG_Lv_TEST, a)
4293 # define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
4294 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
4295 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
4296 # define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
4297 # define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
4298 # define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
4299 # define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
4300 # define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
4301 # define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
4302 # define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
4303 # define DEBUG_i(a) DEBUG__(DEBUG_i_TEST, a)
4305 #else /* DEBUGGING */
4307 # define DEBUG_p_TEST (0)
4308 # define DEBUG_s_TEST (0)
4309 # define DEBUG_l_TEST (0)
4310 # define DEBUG_t_TEST (0)
4311 # define DEBUG_o_TEST (0)
4312 # define DEBUG_c_TEST (0)
4313 # define DEBUG_P_TEST (0)
4314 # define DEBUG_m_TEST (0)
4315 # define DEBUG_f_TEST (0)
4316 # define DEBUG_r_TEST (0)
4317 # define DEBUG_x_TEST (0)
4318 # define DEBUG_u_TEST (0)
4319 # define DEBUG_U_TEST (0)
4320 # define DEBUG_H_TEST (0)
4321 # define DEBUG_X_TEST (0)
4322 # define DEBUG_D_TEST (0)
4323 # define DEBUG_S_TEST (0)
4324 # define DEBUG_T_TEST (0)
4325 # define DEBUG_R_TEST (0)
4326 # define DEBUG_J_TEST (0)
4327 # define DEBUG_v_TEST (0)
4328 # define DEBUG_C_TEST (0)
4329 # define DEBUG_A_TEST (0)
4330 # define DEBUG_q_TEST (0)
4331 # define DEBUG_M_TEST (0)
4332 # define DEBUG_B_TEST (0)
4333 # define DEBUG_L_TEST (0)
4334 # define DEBUG_i_TEST (0)
4335 # define DEBUG_Xv_TEST (0)
4336 # define DEBUG_Uv_TEST (0)
4337 # define DEBUG_Pv_TEST (0)
4338 # define DEBUG_Lv_TEST (0)
4340 # define PERL_DEB(a)
4341 # define PERL_DEB2(a,b) b
4342 # define PERL_DEBUG(a)
4370 # define DEBUG_Xv(a)
4371 # define DEBUG_Uv(a)
4372 # define DEBUG_Pv(a)
4373 # define DEBUG_Lv(a)
4374 #endif /* DEBUGGING */
4377 #define DEBUG_SCOPE(where) \
4379 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
4380 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
4381 __FILE__, __LINE__));
4383 /* Keep the old croak based assert for those who want it, and as a fallback if
4384 the platform is so heretically non-ANSI that it can't assert. */
4386 #define Perl_assert(what) PERL_DEB2( \
4387 ((what) ? ((void) 0) : \
4388 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
4389 "\", line %d", STRINGIFY(what), __LINE__), \
4390 (void) 0)), ((void)0))
4392 /* assert() gets defined if DEBUGGING (and I_ASSERT).
4393 * If no DEBUGGING, the <assert.h> has not been included. */
4395 # define assert(what) Perl_assert(what)
4398 # define assert_(what) assert(what),
4400 # define assert_(what)
4404 I32 (*uf_val)(pTHX_ IV, SV*);
4405 I32 (*uf_set)(pTHX_ IV, SV*);
4409 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
4410 * XS code wanting to be backward compatible can do something
4411 * like the following:
4413 #ifndef PERL_MG_UFUNC
4414 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
4417 static PERL_MG_UFUNC(foo_get, index, val)
4427 #ifndef PERL_MG_UFUNC
4428 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
4431 /* Fix these up for __STDC__ */
4432 #ifndef DONT_DECLARE_STD
4433 char *mktemp (char*);
4435 double atof (const char*);
4440 /* All of these are in stdlib.h or time.h for ANSI C */
4442 struct tm *gmtime(), *localtime();
4444 char *(strchr)(), *(strrchr)();
4445 char *(strcpy)(), *(strcat)();
4447 char *strchr(), *strrchr();
4448 char *strcpy(), *strcat();
4450 #endif /* ! STANDARD_C */
4456 /* isfinite and others are here rather than in math.h as C99 stipulates */
4461 double exp (double);
4462 double log (double);
4463 double log10 (double);
4464 double sqrt (double);
4465 double frexp (double,int*);
4466 double ldexp (double,int);
4467 double modf (double,double*);
4468 double sin (double);
4469 double cos (double);
4470 double atan2 (double,double);
4471 double pow (double,double);
4476 # if !defined(WIN32) && !defined(VMS)
4478 char *crypt (const char*, const char*);
4480 # endif /* !WIN32 */
4481 # ifndef DONT_DECLARE_STD
4483 char *getenv (const char*);
4484 # endif /* !getenv */
4485 # if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
4486 # ifdef _FILE_OFFSET_BITS
4487 # if _FILE_OFFSET_BITS == 64
4488 Off_t lseek (int,Off_t,int);
4492 # endif /* !DONT_DECLARE_STD */
4495 char *getlogin (void);
4497 # endif /* !WIN32 */
4498 #endif /* !__cplusplus */
4500 /* Fixme on VMS. This needs to be a run-time, not build time options */
4501 /* Also rename() is affected by this */
4502 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
4503 #define UNLINK unlnk
4504 I32 unlnk (pTHX_ const char*);
4506 #define UNLINK PerlLIO_unlink
4509 /* some versions of glibc are missing the setresuid() proto */
4510 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
4511 int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4513 /* some versions of glibc are missing the setresgid() proto */
4514 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
4515 int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4518 #ifndef HAS_SETREUID
4519 # ifdef HAS_SETRESUID
4520 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4521 # define HAS_SETREUID
4524 #ifndef HAS_SETREGID
4525 # ifdef HAS_SETRESGID
4526 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4527 # define HAS_SETREGID
4531 /* Sighandler_t defined in iperlsys.h */
4533 #ifdef HAS_SIGACTION
4534 typedef struct sigaction Sigsave_t;
4536 typedef Sighandler_t Sigsave_t;
4547 # define RUNOPS_DEFAULT Perl_runops_debug
4549 # define RUNOPS_DEFAULT Perl_runops_standard
4552 #if defined(USE_PERLIO)
4553 EXTERN_C void PerlIO_teardown(void);
4554 # ifdef USE_ITHREADS
4555 # define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4556 # define PERLIO_TERM \
4558 PerlIO_teardown(); \
4559 MUTEX_DESTROY(&PL_perlio_mutex);\
4562 # define PERLIO_INIT
4563 # define PERLIO_TERM PerlIO_teardown()
4566 # define PERLIO_INIT
4567 # define PERLIO_TERM
4571 # ifdef MUTEX_INIT_CALLS_MALLOC
4572 # define MALLOC_INIT \
4574 PL_malloc_mutex = NULL; \
4575 MUTEX_INIT(&PL_malloc_mutex); \
4577 # define MALLOC_TERM \
4579 perl_mutex tmp = PL_malloc_mutex; \
4580 PL_malloc_mutex = NULL; \
4581 MUTEX_DESTROY(&tmp); \
4584 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4585 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4588 # define MALLOC_INIT
4589 # define MALLOC_TERM
4592 #if defined(PERL_IMPLICIT_CONTEXT)
4594 struct perl_memory_debug_header;
4595 struct perl_memory_debug_header {
4597 # if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
4600 struct perl_memory_debug_header *prev;
4601 struct perl_memory_debug_header *next;
4602 # ifdef PERL_DEBUG_READONLY_COW
4607 #elif defined(PERL_DEBUG_READONLY_COW)
4609 struct perl_memory_debug_header;
4610 struct perl_memory_debug_header {
4616 #if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
4618 # define PERL_MEMORY_DEBUG_HEADER_SIZE \
4619 (sizeof(struct perl_memory_debug_header) + \
4620 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4621 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4624 # define PERL_MEMORY_DEBUG_HEADER_SIZE 0
4627 #ifdef PERL_TRACK_MEMPOOL
4628 # ifdef PERL_DEBUG_READONLY_COW
4629 # define INIT_TRACK_MEMPOOL(header, interp) \
4631 (header).interpreter = (interp); \
4632 (header).prev = (header).next = &(header); \
4633 (header).readonly = 0; \
4636 # define INIT_TRACK_MEMPOOL(header, interp) \
4638 (header).interpreter = (interp); \
4639 (header).prev = (header).next = &(header); \
4643 # define INIT_TRACK_MEMPOOL(header, interp)
4646 #ifdef I_MALLOCMALLOC
4647 /* Needed for malloc_size(), malloc_good_size() on some systems */
4648 # include <malloc/malloc.h>
4652 # define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
4654 # if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
4655 # ifdef PERL_TRACK_MEMPOOL
4656 # define Perl_safesysmalloc_size(where) \
4657 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4659 # define Perl_safesysmalloc_size(where) malloc_size(where)
4662 # ifdef HAS_MALLOC_GOOD_SIZE
4663 # ifdef PERL_TRACK_MEMPOOL
4664 # define Perl_malloc_good_size(how_much) \
4665 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4667 # define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4670 /* Having this as the identity operation makes some code simpler. */
4671 # define Perl_malloc_good_size(how_much) (how_much)
4675 typedef int (*runops_proc_t)(pTHX);
4676 typedef void (*share_proc_t) (pTHX_ SV *sv);
4677 typedef int (*thrhook_proc_t) (pTHX);
4678 typedef OP* (*PPADDR_t[]) (pTHX);
4679 typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4680 typedef void (*despatch_signals_proc_t) (pTHX);
4682 #if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4683 # include <crt_externs.h> /* for the env array */
4684 # define environ (*_NSGetEnviron())
4686 /* VMS and some other platforms don't use the environ array */
4687 # ifdef USE_ENVIRON_ARRAY
4688 # if !defined(DONT_DECLARE_STD) || \
4689 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
4691 extern char ** environ; /* environment variables supplied via exec */
4696 #define PERL_PATCHLEVEL_H_IMPLICIT
4697 #include "patchlevel.h"
4698 #undef PERL_PATCHLEVEL_H_IMPLICIT
4700 #define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4701 STRINGIFY(PERL_VERSION) "." \
4702 STRINGIFY(PERL_SUBVERSION)
4704 #define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4705 STRINGIFY(PERL_API_VERSION) "." \
4706 STRINGIFY(PERL_API_SUBVERSION)
4710 /* handy constants */
4711 EXTCONST char PL_warn_uninit[]
4712 INIT("Use of uninitialized value%s%s%s");
4713 EXTCONST char PL_warn_uninit_sv[]
4714 INIT("Use of uninitialized value%" SVf "%s%s");
4715 EXTCONST char PL_warn_nosemi[]
4716 INIT("Semicolon seems to be missing");
4717 EXTCONST char PL_warn_reserved[]
4718 INIT("Unquoted string \"%s\" may clash with future reserved word");
4719 EXTCONST char PL_warn_nl[]
4720 INIT("Unsuccessful %s on filename containing newline");
4721 EXTCONST char PL_no_wrongref[]
4722 INIT("Can't use %s ref as %s ref");
4723 /* The core no longer needs this here. If you require the string constant,
4724 please inline a copy into your own code. */
4725 EXTCONST char PL_no_symref[] __attribute__deprecated__
4726 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
4727 EXTCONST char PL_no_symref_sv[]
4728 INIT("Can't use string (\"%" SVf32 "\"%s) as %s ref while \"strict refs\" in use");
4730 EXTCONST char PL_no_usym[]
4731 INIT("Can't use an undefined value as %s reference");
4732 EXTCONST char PL_no_aelem[]
4733 INIT("Modification of non-creatable array value attempted, subscript %d");
4734 EXTCONST char PL_no_helem_sv[]
4735 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
4736 EXTCONST char PL_no_modify[]
4737 INIT("Modification of a read-only value attempted");
4738 EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
4739 INIT("Out of memory!\n");
4740 EXTCONST char PL_no_security[]
4741 INIT("Insecure dependency in %s%s");
4742 EXTCONST char PL_no_sock_func[]
4743 INIT("Unsupported socket function \"%s\" called");
4744 EXTCONST char PL_no_dir_func[]
4745 INIT("Unsupported directory function \"%s\" called");
4746 EXTCONST char PL_no_func[]
4747 INIT("The %s function is unimplemented");
4748 EXTCONST char PL_no_myglob[]
4749 INIT("\"%s\" %se %s can't be in a package");
4750 EXTCONST char PL_no_localize_ref[]
4751 INIT("Can't localize through a reference");
4752 EXTCONST char PL_memory_wrap[]
4753 INIT("panic: memory wrap");
4755 EXTCONST char PL_Yes[]
4757 EXTCONST char PL_No[]
4759 EXTCONST char PL_hexdigit[]
4760 INIT("0123456789abcdef0123456789ABCDEF");
4762 /* This is constant on most architectures, a global on OS/2 */
4764 EXTCONST char PL_sh_path[]
4765 INIT(SH_PATH); /* full path of shell */
4769 EXTCONST char PL_cshname[]
4771 # define PL_cshlen (sizeof(CSH "") - 1)
4774 /* These are baked at compile time into any shared perl library.
4775 In future releases this will allow us in main() to sanity test the
4776 library we're linking against. */
4778 EXTCONST U8 PL_revision
4779 INIT(PERL_REVISION);
4780 EXTCONST U8 PL_version
4782 EXTCONST U8 PL_subversion
4783 INIT(PERL_SUBVERSION);
4785 EXTCONST char PL_uuemap[65]
4786 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4789 EXTCONST char PL_uudmap[256] =
4791 # include "uuudmap.h"
4793 # include "uudmap.h"
4796 EXTCONST char PL_bitcount[256] =
4798 # include "ubitcount.h"
4800 # include "bitcount.h"
4803 EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4804 EXTCONST int PL_sig_num[] = { SIG_NUM };
4806 EXTCONST char PL_uudmap[256];
4807 EXTCONST char PL_bitcount[256];
4808 EXTCONST char* const PL_sig_name[];
4809 EXTCONST int PL_sig_num[];
4812 /* fast conversion and case folding tables. The folding tables complement the
4813 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4814 * folds such as outside the range or to multiple characters. */
4819 /* The EBCDIC fold table depends on the code page, and hence is found in
4822 EXTCONST unsigned char PL_fold[] = {
4823 0, 1, 2, 3, 4, 5, 6, 7,
4824 8, 9, 10, 11, 12, 13, 14, 15,
4825 16, 17, 18, 19, 20, 21, 22, 23,
4826 24, 25, 26, 27, 28, 29, 30, 31,
4827 32, 33, 34, 35, 36, 37, 38, 39,
4828 40, 41, 42, 43, 44, 45, 46, 47,
4829 48, 49, 50, 51, 52, 53, 54, 55,
4830 56, 57, 58, 59, 60, 61, 62, 63,
4831 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4832 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4833 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4834 'x', 'y', 'z', 91, 92, 93, 94, 95,
4835 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4836 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4837 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4838 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4839 128, 129, 130, 131, 132, 133, 134, 135,
4840 136, 137, 138, 139, 140, 141, 142, 143,
4841 144, 145, 146, 147, 148, 149, 150, 151,
4842 152, 153, 154, 155, 156, 157, 158, 159,
4843 160, 161, 162, 163, 164, 165, 166, 167,
4844 168, 169, 170, 171, 172, 173, 174, 175,
4845 176, 177, 178, 179, 180, 181, 182, 183,
4846 184, 185, 186, 187, 188, 189, 190, 191,
4847 192, 193, 194, 195, 196, 197, 198, 199,
4848 200, 201, 202, 203, 204, 205, 206, 207,
4849 208, 209, 210, 211, 212, 213, 214, 215,
4850 216, 217, 218, 219, 220, 221, 222, 223,
4851 224, 225, 226, 227, 228, 229, 230, 231,
4852 232, 233, 234, 235, 236, 237, 238, 239,
4853 240, 241, 242, 243, 244, 245, 246, 247,
4854 248, 249, 250, 251, 252, 253, 254, 255
4856 EXTCONST unsigned char PL_fold_latin1[] = {
4857 /* Full latin1 complement folding, except for three problematic code points:
4858 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4859 * fold complements outside the Latin1 range, so can't match something
4860 * that isn't in utf8.
4861 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4862 * not one, so can't be represented in this table.
4864 * All have to be specially handled */
4865 0, 1, 2, 3, 4, 5, 6, 7,
4866 8, 9, 10, 11, 12, 13, 14, 15,
4867 16, 17, 18, 19, 20, 21, 22, 23,
4868 24, 25, 26, 27, 28, 29, 30, 31,
4869 32, 33, 34, 35, 36, 37, 38, 39,
4870 40, 41, 42, 43, 44, 45, 46, 47,
4871 48, 49, 50, 51, 52, 53, 54, 55,
4872 56, 57, 58, 59, 60, 61, 62, 63,
4873 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4874 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4875 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4876 'x', 'y', 'z', 91, 92, 93, 94, 95,
4877 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4878 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4879 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4880 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4881 128, 129, 130, 131, 132, 133, 134, 135,
4882 136, 137, 138, 139, 140, 141, 142, 143,
4883 144, 145, 146, 147, 148, 149, 150, 151,
4884 152, 153, 154, 155, 156, 157, 158, 159,
4885 160, 161, 162, 163, 164, 165, 166, 167,
4886 168, 169, 170, 171, 172, 173, 174, 175,
4887 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4888 184, 185, 186, 187, 188, 189, 190, 191,
4889 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4890 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4891 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4892 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4893 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4894 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4895 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4896 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4897 255 /* y with diaeresis */
4900 /* If these tables are accessed through ebcdic, the access will be converted to
4902 EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4903 0, 1, 2, 3, 4, 5, 6, 7,
4904 8, 9, 10, 11, 12, 13, 14, 15,
4905 16, 17, 18, 19, 20, 21, 22, 23,
4906 24, 25, 26, 27, 28, 29, 30, 31,
4907 32, 33, 34, 35, 36, 37, 38, 39,
4908 40, 41, 42, 43, 44, 45, 46, 47,
4909 48, 49, 50, 51, 52, 53, 54, 55,
4910 56, 57, 58, 59, 60, 61, 62, 63,
4911 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4912 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4913 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4914 'x', 'y', 'z', 91, 92, 93, 94, 95,
4915 96, 97, 98, 99, 100, 101, 102, 103,
4916 104, 105, 106, 107, 108, 109, 110, 111,
4917 112, 113, 114, 115, 116, 117, 118, 119,
4918 120, 121, 122, 123, 124, 125, 126, 127,
4919 128, 129, 130, 131, 132, 133, 134, 135,
4920 136, 137, 138, 139, 140, 141, 142, 143,
4921 144, 145, 146, 147, 148, 149, 150, 151,
4922 152, 153, 154, 155, 156, 157, 158, 159,
4923 160, 161, 162, 163, 164, 165, 166, 167,
4924 168, 169, 170, 171, 172, 173, 174, 175,
4925 176, 177, 178, 179, 180, 181, 182, 183,
4926 184, 185, 186, 187, 188, 189, 190, 191,
4927 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4928 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4929 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4930 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4931 224, 225, 226, 227, 228, 229, 230, 231,
4932 232, 233, 234, 235, 236, 237, 238, 239,
4933 240, 241, 242, 243, 244, 245, 246, 247,
4934 248, 249, 250, 251, 252, 253, 254, 255
4937 /* upper and title case of latin1 characters, modified so that the three tricky
4938 * ones are mapped to 255 (which is one of the three) */
4939 EXTCONST unsigned char PL_mod_latin1_uc[] = {
4940 0, 1, 2, 3, 4, 5, 6, 7,
4941 8, 9, 10, 11, 12, 13, 14, 15,
4942 16, 17, 18, 19, 20, 21, 22, 23,
4943 24, 25, 26, 27, 28, 29, 30, 31,
4944 32, 33, 34, 35, 36, 37, 38, 39,
4945 40, 41, 42, 43, 44, 45, 46, 47,
4946 48, 49, 50, 51, 52, 53, 54, 55,
4947 56, 57, 58, 59, 60, 61, 62, 63,
4948 64, 65, 66, 67, 68, 69, 70, 71,
4949 72, 73, 74, 75, 76, 77, 78, 79,
4950 80, 81, 82, 83, 84, 85, 86, 87,
4951 88, 89, 90, 91, 92, 93, 94, 95,
4952 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4953 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4954 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4955 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4956 128, 129, 130, 131, 132, 133, 134, 135,
4957 136, 137, 138, 139, 140, 141, 142, 143,
4958 144, 145, 146, 147, 148, 149,