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);
1011 # define memcpy(d,s,l) bcopy(s,d,l)
1013 # define memcpy(d,s,l) my_bcopy(s,d,l)
1016 #endif /* HAS_MEMCPY */
1019 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
1021 extern char *memset (char*, int, int);
1026 # define memset(d,c,l) my_memset(d,c,l)
1027 #endif /* HAS_MEMSET */
1029 #if !defined(HAS_MEMMOVE) && !defined(memmove)
1030 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
1031 # define memmove(d,s,l) bcopy(s,d,l)
1033 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
1034 # define memmove(d,s,l) memcpy(d,s,l)
1036 # define memmove(d,s,l) my_bcopy(s,d,l)
1041 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
1045 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
1046 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
1048 extern int memcmp (char*, char*, int);
1053 # define memcmp my_memcmp
1055 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
1059 # define memzero(d,l) memset(d,0,l)
1062 # define memzero(d,l) bzero(d,l)
1064 # define memzero(d,l) my_bzero(d,l)
1072 # define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1079 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
1081 #endif /* !HAS_BCMP */
1084 # include <netinet/in.h>
1088 # include <arpa/inet.h>
1092 # include <sys/stat.h>
1095 /* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1096 This definition should ideally go into win32/win32.h, but S_IFIFO is
1097 used later here in perl.h before win32/win32.h is being included. */
1098 #if !defined(S_IFIFO) && defined(_S_IFIFO)
1099 # define S_IFIFO _S_IFIFO
1102 /* The stat macros for Unisoft System V/88 (and derivatives
1103 like UTekV) are broken, sometimes giving false positives. Undefine
1104 them here and let the code below set them to proper values.
1106 The ghs macro stands for GreenHills Software C-1.8.5 which
1107 is the C compiler for sysV88 and the various derivatives.
1108 This header file bug is corrected in gcc-2.5.8 and later versions.
1109 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1111 #if defined(m88k) && defined(ghs)
1125 # ifdef I_SYS_TIME_KERNEL
1128 # include <sys/time.h>
1129 # ifdef I_SYS_TIME_KERNEL
1134 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
1135 # include <sys/times.h>
1138 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
1139 # undef HAS_STRERROR
1144 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
1145 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1148 #if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1149 # include <sys/socket.h>
1150 # if defined(USE_SOCKS) && defined(I_SOCKS)
1151 # if !defined(INCLUDE_PROTOTYPES)
1152 # define INCLUDE_PROTOTYPES /* for <socks.h> */
1153 # define PERL_SOCKS_NEED_PROTOTYPES
1156 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1157 # undef INCLUDE_PROTOTYPES
1158 # undef PERL_SOCKS_NEED_PROTOTYPES
1169 # include <net/errno.h>
1174 /* sockatmark() is so new (2001) that many places might have it hidden
1175 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1176 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
1177 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
1178 # if defined(__THROW) && defined(__GLIBC__)
1179 int sockatmark(int) __THROW;
1181 int sockatmark(int);
1185 #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. */
1186 EXTERN_C int fchdir(int);
1187 EXTERN_C int flock(int, int);
1188 EXTERN_C int fseeko(FILE *, off_t, int);
1189 EXTERN_C off_t ftello(FILE *);
1192 #if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1193 EXTERN_C char *crypt(const char *, const char *);
1194 EXTERN_C char **environ;
1197 #if defined(__cplusplus)
1198 # if defined(BSDish)
1199 EXTERN_C char **environ;
1200 # elif defined(__CYGWIN__)
1201 EXTERN_C char *crypt(const char *, const char *);
1206 # undef SETERRNO /* SOCKS might have defined this */
1210 # define SETERRNO(errcode,vmserrcode) \
1212 set_errno(errcode); \
1213 set_vaxc_errno(vmserrcode); \
1215 # define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1216 # define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1217 # define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1218 # define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1220 # define LIB_INVARG LIB$_INVARG
1221 # define RMS_DIR RMS$_DIR
1222 # define RMS_FAC RMS$_FAC
1223 # define RMS_FEX RMS$_FEX
1224 # define RMS_FNF RMS$_FNF
1225 # define RMS_IFI RMS$_IFI
1226 # define RMS_ISI RMS$_ISI
1227 # define RMS_PRV RMS$_PRV
1228 # define SS_ACCVIO SS$_ACCVIO
1229 # define SS_DEVOFFLINE SS$_DEVOFFLINE
1230 # define SS_IVCHAN SS$_IVCHAN
1231 # define SS_NORMAL SS$_NORMAL
1232 # define SS_NOPRIV SS$_NOPRIV
1233 # define SS_BUFFEROVF SS$_BUFFEROVF
1235 # define LIB_INVARG 0
1243 # define SS_ACCVIO 0
1244 # define SS_DEVOFFLINE 0
1245 # define SS_IVCHAN 0
1246 # define SS_NORMAL 0
1247 # define SS_NOPRIV 0
1248 # define SS_BUFFEROVF 0
1252 # define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1253 # define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1254 # define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1255 # define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1259 # define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1260 # define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1261 # define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1262 # define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1266 # define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1270 # define dSAVEDERRNO int saved_errno
1271 # define dSAVE_ERRNO int saved_errno = errno
1272 # define SAVE_ERRNO (saved_errno = errno)
1273 # define RESTORE_ERRNO (errno = saved_errno)
1276 #define ERRSV GvSVn(PL_errgv)
1278 /* contains inlined gv_add_by_type */
1279 #define CLEAR_ERRSV() STMT_START { \
1280 SV ** const svp = &GvSV(PL_errgv); \
1282 goto clresv_newemptypv; \
1283 } else if (SvREADONLY(*svp)) { \
1284 SvREFCNT_dec_NN(*svp); \
1285 clresv_newemptypv: \
1286 *svp = newSVpvs(""); \
1288 SV *const errsv = *svp; \
1289 sv_setpvs(errsv, ""); \
1290 SvPOK_only(errsv); \
1291 if (SvMAGICAL(errsv)) { \
1299 # define DEFSV (0 + GvSVn(PL_defgv))
1300 # define DEFSV_set(sv) \
1301 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1302 # define SAVE_DEFSV \
1304 save_gp(PL_defgv, 0), \
1305 GvINTRO_off(PL_defgv), \
1306 SAVEGENERICSV(GvSV(PL_defgv)), \
1307 GvSV(PL_defgv) = NULL \
1310 # define DEFSV GvSVn(PL_defgv)
1311 # define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1312 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
1316 extern int errno; /* ANSI allows errno to be an lvalue expr.
1317 * For example in multithreaded environments
1318 * something like this might happen:
1319 * extern int *_errno(void);
1320 * #define errno (*_errno()) */
1323 #define UNKNOWN_ERRNO_MSG "(unknown)"
1326 # ifndef DONT_DECLARE_STD
1328 char *strerror (int,...);
1330 char *strerror (int);
1334 # define Strerror strerror
1337 # ifdef HAS_SYS_ERRLIST
1338 extern int sys_nerr;
1339 extern char *sys_errlist[];
1341 # define Strerror(e) \
1342 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
1349 # include <sys/ioctl.h>
1353 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
1354 # ifdef HAS_SOCKETPAIR
1355 # undef HAS_SOCKETPAIR
1362 #ifndef HAS_SOCKETPAIR
1364 # define socketpair Perl_my_socketpair
1369 # define htoni htons
1370 # define ntohi ntohs
1372 # define htoni htonl
1373 # define ntohi ntohl
1376 /* Configure already sets Direntry_t */
1377 #if defined(I_DIRENT)
1378 # include <dirent.h>
1381 # include <sys/ndir.h>
1385 # include <ndir.h> /* may be wrong in the future */
1387 # include <sys/dir.h>
1394 * The following gobbledygook brought to you on behalf of __STDC__.
1395 * (I could just use #ifndef __STDC__, but this is more bulletproof
1396 * in the face of half-implementations.)
1399 #if defined(I_SYSMODE)
1400 #include <sys/mode.h>
1405 # define S_IFMT _S_IFMT
1407 # define S_IFMT 0170000
1412 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1416 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1421 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1423 # define S_ISBLK(m) (0)
1428 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1433 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1435 # define S_ISFIFO(m) (0)
1441 # define S_ISLNK(m) _S_ISLNK(m)
1444 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1447 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1449 # define S_ISLNK(m) (0)
1457 # define S_ISSOCK(m) _S_ISSOCK(m)
1460 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1463 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1465 # define S_ISSOCK(m) (0)
1473 # define S_IRUSR S_IREAD
1474 # define S_IWUSR S_IWRITE
1475 # define S_IXUSR S_IEXEC
1477 # define S_IRUSR 0400
1478 # define S_IWUSR 0200
1479 # define S_IXUSR 0100
1485 # define S_IRGRP (S_IRUSR>>3)
1486 # define S_IWGRP (S_IWUSR>>3)
1487 # define S_IXGRP (S_IXUSR>>3)
1489 # define S_IRGRP 0040
1490 # define S_IWGRP 0020
1491 # define S_IXGRP 0010
1497 # define S_IROTH (S_IRUSR>>6)
1498 # define S_IWOTH (S_IWUSR>>6)
1499 # define S_IXOTH (S_IXUSR>>6)
1501 # define S_IROTH 0040
1502 # define S_IWOTH 0020
1503 # define S_IXOTH 0010
1508 # define S_ISUID 04000
1512 # define S_ISGID 02000
1516 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
1520 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
1524 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
1527 /* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1528 * which would get included through <sys/file.h >, but that is 3000
1529 * lines in the future. --jhi */
1531 #if !defined(S_IREAD) && !defined(__HAIKU__)
1532 # define S_IREAD S_IRUSR
1535 #if !defined(S_IWRITE) && !defined(__HAIKU__)
1536 # define S_IWRITE S_IWUSR
1540 # define S_IEXEC S_IXUSR
1543 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
1544 # define SLOPPYDIVIDE
1551 /* For the times when you want the return value of sprintf, and you want it
1552 to be the length. Can't have a thread variable passed in, because C89 has
1555 #ifdef SPRINTF_RETURNS_STRLEN
1556 # define my_sprintf sprintf
1558 # define my_sprintf Perl_my_sprintf
1562 * If we have v?snprintf() and the C99 variadic macros, we can just
1563 * use just the v?snprintf(). It is nice to try to trap the buffer
1564 * overflow, however, so if we are DEBUGGING, and we cannot use the
1565 * gcc statement expressions, then use the function wrappers which try
1566 * to trap the overflow. If we can use the gcc statement expressions,
1567 * we can try that even with the version that uses the C99 variadic
1571 /* Note that we do not check against snprintf()/vsnprintf() returning
1572 * negative values because that is non-standard behaviour and we use
1573 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1574 * that should be true only if the snprintf()/vsnprintf() are true
1575 * to the standard. */
1577 #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
1580 # define my_snprintf Perl_my_snprintf
1581 # define PERL_MY_SNPRINTF_GUARDED
1583 #if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1584 # ifdef PERL_USE_GCC_BRACE_GROUPS
1585 # define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1586 # define PERL_MY_SNPRINTF_GUARDED
1588 # define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
1591 # define my_snprintf Perl_my_snprintf
1592 # define PERL_MY_SNPRINTF_GUARDED
1596 /* There is no quadmath_vsnprintf, and therefore my_vsnprintf()
1597 * dies if called under USE_QUADMATH. */
1598 #if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1599 # ifdef PERL_USE_GCC_BRACE_GROUPS
1600 # define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1601 # define PERL_MY_VSNPRINTF_GUARDED
1603 # define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
1606 # define my_vsnprintf Perl_my_vsnprintf
1607 # define PERL_MY_VSNPRINTF_GUARDED
1610 /* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1611 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1612 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1613 * completely ignore it: otherwise you cannot know whether your output
1616 * int len = my_sprintf(buf, max, ...);
1617 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1619 * The trick is that in certain platforms [a] the my_sprintf() already
1620 * contains the sanity check, while in certain platforms [b] it needs
1621 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1622 * platforms the POST_GUARD actually does nothing since the check has
1623 * already been done. Watch out for the max being the same in both calls.
1625 * If you actually use the snprintf/vsnprintf return value already,
1626 * you assumedly are checking its validity somehow. But you can
1627 * insert the POST_GUARD() also in that case. */
1629 #ifndef PERL_MY_SNPRINTF_GUARDED
1630 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1632 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1635 #ifndef PERL_MY_VSNPRINTF_GUARDED
1636 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1638 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1642 # define my_strlcat strlcat
1644 # define my_strlcat Perl_my_strlcat
1648 # define my_strlcpy strlcpy
1650 # define my_strlcpy Perl_my_strlcpy
1654 The IV type is supposed to be long enough to hold any integral
1656 --Andy Dougherty August 1996
1662 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
1663 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
1664 # define IV_MAX INT64_MAX
1665 # define IV_MIN INT64_MIN
1666 # define UV_MAX UINT64_MAX
1668 # define UINT64_MIN 0
1670 # define UV_MIN UINT64_MIN
1672 # define IV_MAX PERL_QUAD_MAX
1673 # define IV_MIN PERL_QUAD_MIN
1674 # define UV_MAX PERL_UQUAD_MAX
1675 # define UV_MIN PERL_UQUAD_MIN
1680 # if defined(INT32_MAX) && IVSIZE == 4
1681 # define IV_MAX INT32_MAX
1682 # define IV_MIN INT32_MIN
1683 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1684 # define UV_MAX UINT32_MAX
1686 # define UV_MAX 4294967295U
1689 # define UINT32_MIN 0
1691 # define UV_MIN UINT32_MIN
1693 # define IV_MAX PERL_LONG_MAX
1694 # define IV_MIN PERL_LONG_MIN
1695 # define UV_MAX PERL_ULONG_MAX
1696 # define UV_MIN PERL_ULONG_MIN
1707 #if !defined(PERL_CORE) || defined(USING_MSVC6)
1708 /* We think that removing this decade-old undef this will cause too much
1709 breakage on CPAN for too little gain. (See RT #119753)
1710 However, we do need HAS_QUAD in the core for use by the drand48 code,
1711 but not for Win32 VC6 because it has poor __int64 support. */
1717 #define Size_t_MAX (~(Size_t)0)
1718 #define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1)
1720 #define IV_DIG (BIT_DIGITS(IVSIZE * 8))
1721 #define UV_DIG (BIT_DIGITS(UVSIZE * 8))
1723 #ifndef NO_PERL_PRESERVE_IVUV
1724 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
1728 * The macros INT2PTR and NUM2PTR are (despite their names)
1729 * bi-directional: they will convert int/float to or from pointers.
1730 * However the conversion to int/float are named explicitly:
1731 * PTR2IV, PTR2UV, PTR2NV.
1733 * For int conversions we do not need two casts if pointers are
1734 * the same size as IV and UV. Otherwise we need an explicit
1735 * cast (PTRV) to avoid compiler warnings.
1737 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1739 # define INT2PTR(any,d) (any)(d)
1741 # if PTRSIZE == LONGSIZE
1742 # define PTRV unsigned long
1743 # define PTR2ul(p) (unsigned long)(p)
1745 # define PTRV unsigned
1750 # define INT2PTR(any,d) (any)(PTRV)(d)
1754 # define PTR2ul(p) INT2PTR(unsigned long,p)
1757 #define NUM2PTR(any,d) (any)(PTRV)(d)
1758 #define PTR2IV(p) INT2PTR(IV,p)
1759 #define PTR2UV(p) INT2PTR(UV,p)
1760 #define PTR2NV(p) NUM2PTR(NV,p)
1761 #define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
1763 /* According to strict ANSI C89 one cannot freely cast between
1764 * data pointers and function (code) pointers. There are at least
1765 * two ways around this. One (used below) is to do two casts,
1766 * first the other pointer to an (unsigned) integer, and then
1767 * the integer to the other pointer. The other way would be
1768 * to use unions to "overlay" the pointers. For an example of
1769 * the latter technique, see union dirpu in struct xpvio in sv.h.
1770 * The only feasible use is probably temporarily storing
1771 * function pointers in a data pointer (such as a void pointer). */
1773 #define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1774 #define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
1776 #ifdef USE_LONG_DOUBLE
1777 # if LONG_DOUBLESIZE == DOUBLESIZE
1778 # define LONG_DOUBLE_EQUALS_DOUBLE
1779 # undef USE_LONG_DOUBLE /* Ouch! */
1784 /* Use an overridden DBL_DIG */
1788 # define DBL_DIG OVR_DBL_DIG
1790 /* The following is all to get DBL_DIG, in order to pick a nice
1791 default value for printing floating point numbers in Gconvert
1792 (see config.h). (It also has other uses, such as figuring out if
1793 a given precision of printing can be done with a double instead of
1794 a long double - Allen).
1803 #define DBL_DIG 15 /* A guess that works lots of places */
1808 /* Use an overridden LDBL_DIG */
1812 # define LDBL_DIG OVR_LDBL_DIG
1814 /* The following is all to get LDBL_DIG, in order to pick a nice
1815 default value for printing floating point numbers in Gconvert.
1819 # include <limits.h>
1824 # ifndef HAS_LDBL_DIG
1825 # if LONG_DOUBLESIZE == 10
1826 # define LDBL_DIG 18 /* assume IEEE */
1828 # if LONG_DOUBLESIZE == 12
1829 # define LDBL_DIG 18 /* gcc? */
1831 # if LONG_DOUBLESIZE == 16
1832 # define LDBL_DIG 33 /* assume IEEE */
1834 # if LONG_DOUBLESIZE == DOUBLESIZE
1835 # define LDBL_DIG DBL_DIG /* bummer */
1844 * This is for making sure we have a good DBL_MAX value, if possible,
1845 * either for usage as NV_MAX or for usage in figuring out if we can
1846 * fit a given long double into a double, if bug-fixing makes it
1847 * necessary to do so. - Allen <allens@cpan.org>
1851 # include <limits.h>
1855 # if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1856 # include <values.h>
1857 # if defined(MAXDOUBLE) && !defined(DBL_MAX)
1858 # define DBL_MAX MAXDOUBLE
1860 # if defined(MINDOUBLE) && !defined(DBL_MIN)
1861 # define DBL_MIN MINDOUBLE
1864 #endif /* defined(I_VALUES) */
1869 # include <ieeefp.h>
1873 /* VC6 has broken NaN semantics: NaN == NaN returns true instead of false,
1874 * and for example NaN < IV_MIN. */
1875 # define NAN_COMPARE_BROKEN
1877 #if defined(__DECC) && defined(__osf__)
1878 /* Also Tru64 cc has broken NaN comparisons. */
1879 # define NAN_COMPARE_BROKEN
1882 # define NAN_COMPARE_BROKEN
1885 #ifdef USE_LONG_DOUBLE
1887 # include <sunmath.h>
1889 # if defined(LDBL_DIG)
1890 # define NV_DIG LDBL_DIG
1891 # ifdef LDBL_MANT_DIG
1892 # define NV_MANT_DIG LDBL_MANT_DIG
1895 # define NV_MIN LDBL_MIN
1898 # define NV_MAX LDBL_MAX
1900 # ifdef LDBL_MIN_EXP
1901 # define NV_MIN_EXP LDBL_MIN_EXP
1903 # ifdef LDBL_MAX_EXP
1904 # define NV_MAX_EXP LDBL_MAX_EXP
1906 # ifdef LDBL_MIN_10_EXP
1907 # define NV_MIN_10_EXP LDBL_MIN_10_EXP
1909 # ifdef LDBL_MAX_10_EXP
1910 # define NV_MAX_10_EXP LDBL_MAX_10_EXP
1912 # ifdef LDBL_EPSILON
1913 # define NV_EPSILON LDBL_EPSILON
1916 # define NV_MAX LDBL_MAX
1917 /* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
1920 # define NV_MAX HUGE_VALL
1924 # if defined(HAS_SQRTL)
1925 # define Perl_acos acosl
1926 # define Perl_asin asinl
1927 # define Perl_atan atanl
1928 # define Perl_atan2 atan2l
1929 # define Perl_ceil ceill
1930 # define Perl_cos cosl
1931 # define Perl_cosh coshl
1932 # define Perl_exp expl
1933 /* no Perl_fabs, but there's PERL_ABS */
1934 # define Perl_floor floorl
1935 # define Perl_fmod fmodl
1936 # define Perl_log logl
1937 # define Perl_log10 log10l
1938 # define Perl_pow powl
1939 # define Perl_sin sinl
1940 # define Perl_sinh sinhl
1941 # define Perl_sqrt sqrtl
1942 # define Perl_tan tanl
1943 # define Perl_tanh tanhl
1945 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1948 # define Perl_modf(x,y) modfl(x,y)
1949 /* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1950 prototype in <math.h> */
1951 # ifndef HAS_MODFL_PROTO
1952 EXTERN_C long double modfl(long double, long double *);
1954 # elif (defined(HAS_TRUNCL) || defined(HAS_AINTL)) && defined(HAS_COPYSIGNL)
1955 extern long double Perl_my_modfl(long double x, long double *ip);
1956 # define Perl_modf(x,y) Perl_my_modfl(x,y)
1961 # define Perl_frexp(x,y) frexpl(x,y)
1963 # if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1964 extern long double Perl_my_frexpl(long double x, int *e);
1965 # define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1971 # define Perl_ldexp(x, y) ldexpl(x,y)
1973 # if defined(HAS_SCALBNL) && FLT_RADIX == 2
1974 # define Perl_ldexp(x,y) scalbnl(x,y)
1979 # if defined(HAS_ISNANL) && !(defined(isnan) && defined(HAS_C99))
1980 # define Perl_isnan(x) isnanl(x)
1981 # elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */
1982 # define Perl_isnan(x) isnan(x)
1986 # if defined(HAS_ISINFL) && !(defined(isinf) && defined(HAS_C99))
1987 # define Perl_isinf(x) isinfl(x)
1988 # elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */
1989 # define Perl_isinf(x) isinf(x)
1990 # elif defined(LDBL_MAX) && !defined(NAN_COMPARE_BROKEN)
1991 # define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX)
1994 # ifndef Perl_isfinite
1995 # define Perl_isfinite(x) Perl_isfinitel(x)
1997 #elif defined(USE_QUADMATH) && defined(I_QUADMATH)
1998 # include <quadmath.h>
1999 # define NV_DIG FLT128_DIG
2000 # define NV_MANT_DIG FLT128_MANT_DIG
2001 # define NV_MIN FLT128_MIN
2002 # define NV_MAX FLT128_MAX
2003 # define NV_MIN_EXP FLT128_MIN_EXP
2004 # define NV_MAX_EXP FLT128_MAX_EXP
2005 # define NV_EPSILON FLT128_EPSILON
2006 # define NV_MIN_10_EXP FLT128_MIN_10_EXP
2007 # define NV_MAX_10_EXP FLT128_MAX_10_EXP
2008 # define Perl_acos acosq
2009 # define Perl_asin asinq
2010 # define Perl_atan atanq
2011 # define Perl_atan2 atan2q
2012 # define Perl_ceil ceilq
2013 # define Perl_cos cosq
2014 # define Perl_cosh coshq
2015 # define Perl_exp expq
2016 /* no Perl_fabs, but there's PERL_ABS */
2017 # define Perl_floor floorq
2018 # define Perl_fmod fmodq
2019 # define Perl_log logq
2020 # define Perl_log10 log10q
2021 # define Perl_pow powq
2022 # define Perl_sin sinq
2023 # define Perl_sinh sinhq
2024 # define Perl_sqrt sqrtq
2025 # define Perl_tan tanq
2026 # define Perl_tanh tanhq
2027 # define Perl_modf(x,y) modfq(x,y)
2028 # define Perl_frexp(x,y) frexpq(x,y)
2029 # define Perl_ldexp(x, y) ldexpq(x,y)
2030 # define Perl_isinf(x) isinfq(x)
2031 # define Perl_isnan(x) isnanq(x)
2032 # define Perl_isfinite(x) !(isnanq(x) || isinfq(x))
2034 # define NV_DIG DBL_DIG
2035 # ifdef DBL_MANT_DIG
2036 # define NV_MANT_DIG DBL_MANT_DIG
2039 # define NV_MIN DBL_MIN
2042 # define NV_MAX DBL_MAX
2045 # define NV_MIN_EXP DBL_MIN_EXP
2048 # define NV_MAX_EXP DBL_MAX_EXP
2050 # ifdef DBL_MIN_10_EXP
2051 # define NV_MIN_10_EXP DBL_MIN_10_EXP
2053 # ifdef DBL_MAX_10_EXP
2054 # define NV_MAX_10_EXP DBL_MAX_10_EXP
2057 # define NV_EPSILON DBL_EPSILON
2059 # ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
2060 # define NV_MAX DBL_MAX
2061 # define NV_MIN DBL_MIN
2064 # define NV_MAX HUGE_VAL
2068 /* These math interfaces are C89. */
2069 # define Perl_acos acos
2070 # define Perl_asin asin
2071 # define Perl_atan atan
2072 # define Perl_atan2 atan2
2073 # define Perl_ceil ceil
2074 # define Perl_cos cos
2075 # define Perl_cosh cosh
2076 # define Perl_exp exp
2077 /* no Perl_fabs, but there's PERL_ABS */
2078 # define Perl_floor floor
2079 # define Perl_fmod fmod
2080 # define Perl_log log
2081 # define Perl_log10 log10
2082 # define Perl_pow pow
2083 # define Perl_sin sin
2084 # define Perl_sinh sinh
2085 # define Perl_sqrt sqrt
2086 # define Perl_tan tan
2087 # define Perl_tanh tanh
2089 # define Perl_modf(x,y) modf(x,y)
2090 # define Perl_frexp(x,y) frexp(x,y)
2091 # define Perl_ldexp(x,y) ldexp(x,y)
2095 # define Perl_isnan(x) isnan(x)
2099 # if defined(HAS_ISINF)
2100 # define Perl_isinf(x) isinf(x)
2101 # elif defined(DBL_MAX) && !defined(NAN_COMPARE_BROKEN)
2102 # define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX)
2105 # ifndef Perl_isfinite
2106 # ifdef HAS_ISFINITE
2107 # define Perl_isfinite(x) isfinite(x)
2108 # elif defined(HAS_FINITE)
2109 # define Perl_isfinite(x) finite(x)
2114 /* fpclassify(): C99. It is supposed to be a macro that switches on
2115 * the sizeof() of its argument, so there's no need for e.g. fpclassifyl().*/
2116 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2118 # if defined(FP_INFINITE) && defined(FP_NAN)
2119 # define Perl_fp_class(x) fpclassify(x)
2120 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2121 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2122 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2123 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2124 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2125 # elif defined(FP_PLUS_INF) && defined(FP_QNAN)
2126 /* Some versions of HP-UX (10.20) have (only) fpclassify() but which is
2127 * actually not the C99 fpclassify, with its own set of return defines. */
2128 # define Perl_fp_class(x) fpclassify(x)
2129 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2130 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2131 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2132 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2133 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2134 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2135 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2136 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2137 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2138 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2140 # undef Perl_fp_class /* Unknown set of defines */
2144 /* fp_classify(): Legacy: VMS, maybe Unicos? The values, however,
2145 * are identical to the C99 fpclassify(). */
2146 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASSIFY)
2149 /* FP_INFINITE and others are here rather than in math.h as C99 stipulates */
2151 /* oh, and the isnormal macro has a typo in it! */
2153 # define isnormal(x) Perl_fp_class_norm(x)
2155 # if defined(FP_INFINITE) && defined(FP_NAN)
2156 # define Perl_fp_class(x) fp_classify(x)
2157 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2158 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2159 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2160 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2161 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2163 # undef Perl_fp_class /* Unknown set of defines */
2167 /* Feel free to check with me for the SGI manpages, SGI testing,
2168 * etcetera, if you want to try getting this to work with IRIX.
2170 * - Allen <allens@cpan.org> */
2172 /* fpclass(): SysV, at least Solaris and some versions of IRIX. */
2173 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2174 /* Solaris and IRIX have fpclass/fpclassl, but they are using
2175 * an enum typedef, not cpp symbols, and Configure doesn't detect that.
2176 * Define some symbols also as cpp symbols so we can detect them. */
2177 # if defined(__sun) || defined(__sgi) /* XXX Configure test instead */
2178 # define FP_PINF FP_PINF
2179 # define FP_QNAN FP_QNAN
2183 # include <ieeefp.h>
2188 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2189 # define Perl_fp_class(x) fpclassl(x)
2191 # define Perl_fp_class(x) fpclass(x)
2193 # if defined(FP_CLASS_PINF) && defined(FP_CLASS_SNAN)
2194 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2195 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2196 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2197 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2198 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2199 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2200 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2201 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2202 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2203 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2204 # elif defined(FP_PINF) && defined(FP_QNAN)
2205 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2206 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2207 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NINF)
2208 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PINF)
2209 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NNORM)
2210 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PNORM)
2211 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NDENORM)
2212 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PDENORM)
2213 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NZERO)
2214 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PZERO)
2216 # undef Perl_fp_class /* Unknown set of defines */
2220 /* fp_class(): Legacy: at least Tru64, some versions of IRIX. */
2221 #if !defined(Perl_fp_class) && (defined(HAS_FP_CLASS)||defined(HAS_FP_CLASSL))
2223 # if !defined(FP_SNAN) && defined(I_FP_CLASS)
2224 # include <fp_class.h>
2226 # if defined(FP_POS_INF) && defined(FP_QNAN)
2227 # ifdef __sgi /* XXX Configure test instead */
2228 # ifdef USE_LONG_DOUBLE
2229 # define Perl_fp_class(x) fp_class_l(x)
2231 # define Perl_fp_class(x) fp_class_d(x)
2234 # if defined(USE_LONG_DOUBLE) && defined(HAS_FP_CLASSL)
2235 # define Perl_fp_class(x) fp_classl(x)
2237 # define Perl_fp_class(x) fp_class(x)
2240 # if defined(FP_POS_INF) && defined(FP_QNAN)
2241 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2242 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2243 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NEG_INF)
2244 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_POS_INF)
2245 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NEG_NORM)
2246 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_POS_NORM)
2247 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NEG_DENORM)
2248 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_POS_DENORM)
2249 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NEG_ZERO)
2250 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_POS_ZERO)
2252 # undef Perl_fp_class /* Unknown set of defines */
2257 /* class(), _class(): Legacy: AIX. */
2258 #if !defined(Perl_fp_class) && defined(HAS_CLASS)
2260 # if defined(FP_PLUS_NORM) && defined(FP_PLUS_INF)
2262 # define Perl_fp_class(x) class(x)
2264 # define Perl_fp_class(x) _class(x)
2266 # if defined(FP_PLUS_INF) && defined(FP_NANQ)
2267 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2268 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2269 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2270 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2271 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2272 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2273 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2274 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2275 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2276 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2278 # undef Perl_fp_class /* Unknown set of defines */
2283 /* Win32: _fpclass(), _isnan(), _finite(). */
2286 # define Perl_isnan(x) _isnan(x)
2288 # ifndef Perl_isfinite
2289 # define Perl_isfinite(x) _finite(x)
2291 # ifndef Perl_fp_class_snan
2292 /* No simple way to #define Perl_fp_class because _fpclass()
2293 * returns a set of bits. */
2294 # define Perl_fp_class_snan(x) (_fpclass(x) & _FPCLASS_SNAN)
2295 # define Perl_fp_class_qnan(x) (_fpclass(x) & _FPCLASS_QNAN)
2296 # define Perl_fp_class_nan(x) (_fpclass(x) & (_FPCLASS_SNAN|_FPCLASS_QNAN))
2297 # define Perl_fp_class_ninf(x) (_fpclass(x) & _FPCLASS_NINF))
2298 # define Perl_fp_class_pinf(x) (_fpclass(x) & _FPCLASS_PINF))
2299 # define Perl_fp_class_inf(x) (_fpclass(x) & (_FPCLASS_NINF|_FPCLASS_PINF))
2300 # define Perl_fp_class_nnorm(x) (_fpclass(x) & _FPCLASS_NN)
2301 # define Perl_fp_class_pnorm(x) (_fpclass(x) & _FPCLASS_PN)
2302 # define Perl_fp_class_norm(x) (_fpclass(x) & (_FPCLASS_NN|_FPCLASS_PN))
2303 # define Perl_fp_class_ndenorm(x) (_fpclass(x) & _FPCLASS_ND)
2304 # define Perl_fp_class_pdenorm(x) (_fpclass(x) & _FPCLASS_PD)
2305 # define Perl_fp_class_denorm(x) (_fpclass(x) & (_FPCLASS_ND|_FPCLASS_PD))
2306 # define Perl_fp_class_nzero(x) (_fpclass(x) & _FPCLASS_NZ)
2307 # define Perl_fp_class_pzero(x) (_fpclass(x) & _FPCLASS_PZ)
2308 # define Perl_fp_class_zero(x) (_fpclass(x) & (_FPCLASS_NZ|_FPCLASS_PZ))
2312 #if !defined(Perl_fp_class_inf) && \
2313 defined(Perl_fp_class_pinf) && defined(Perl_fp_class_ninf)
2314 # define Perl_fp_class_inf(x) \
2315 (Perl_fp_class_pinf(x) || Perl_fp_class_ninf(x))
2318 #if !defined(Perl_fp_class_nan) && \
2319 defined(Perl_fp_class_snan) && defined(Perl_fp_class_qnan)
2320 # define Perl_fp_class_nan(x) \
2321 (Perl_fp_class_snan(x) || Perl_fp_class_qnan(x))
2324 #if !defined(Perl_fp_class_zero) && \
2325 defined(Perl_fp_class_pzero) && defined(Perl_fp_class_nzero)
2326 # define Perl_fp_class_zero(x) \
2327 (Perl_fp_class_pzero(x) || Perl_fp_class_nzero(x))
2330 #if !defined(Perl_fp_class_norm) && \
2331 defined(Perl_fp_class_pnorm) && defined(Perl_fp_class_nnorm)
2332 # define Perl_fp_class_norm(x) \
2333 (Perl_fp_class_pnorm(x) || Perl_fp_class_nnorm(x))
2336 #if !defined(Perl_fp_class_denorm) && \
2337 defined(Perl_fp_class_pdenorm) && defined(Perl_fp_class_ndenorm)
2338 # define Perl_fp_class_denorm(x) \
2339 (Perl_fp_class_pdenorm(x) || Perl_fp_class_ndenorm(x))
2343 int isnan(double d);
2347 # ifdef Perl_fp_class_nan
2348 # define Perl_isnan(x) Perl_fp_class_nan(x)
2350 # ifdef HAS_UNORDERED
2351 # define Perl_isnan(x) unordered((x), 0.0)
2353 # define Perl_isnan(x) ((x)!=(x))
2359 # ifdef Perl_fp_class_inf
2360 # define Perl_isinf(x) Perl_fp_class_inf(x)
2364 #ifndef Perl_isfinite
2365 # if defined(HAS_ISFINITE) && !defined(isfinite)
2366 # define Perl_isfinite(x) isfinite((double)(x))
2367 # elif defined(HAS_FINITE)
2368 # define Perl_isfinite(x) finite((double)(x))
2369 # elif defined(Perl_fp_class_finite)
2370 # define Perl_isfinite(x) Perl_fp_class_finite(x)
2372 /* For the infinities the multiplication returns nan,
2373 * for the nan the multiplication also returns nan,
2374 * for everything else (that is, finite) zero should be returned. */
2375 # define Perl_isfinite(x) (((x) * 0) == 0)
2380 # if defined(Perl_isfinite) && defined(Perl_isnan)
2381 # define Perl_isinf(x) !(Perl_isfinite(x)||Perl_isnan(x))
2385 /* We need Perl_isfinitel (ends with ell) (if available) even when
2386 * not USE_LONG_DOUBLE because the printf code (sv_catpvfn_flags)
2388 #if defined(HAS_LONG_DOUBLE) && !defined(Perl_isfinitel)
2389 /* If isfinite() is a macro and looks like we have C99,
2390 * we assume it's the type-aware C99 isfinite(). */
2391 # if defined(HAS_ISFINITE) && defined(isfinite) && defined(HAS_C99)
2392 # define Perl_isfinitel(x) isfinite(x)
2393 # elif defined(HAS_ISFINITEL)
2394 # define Perl_isfinitel(x) isfinitel(x)
2395 # elif defined(HAS_FINITEL)
2396 # define Perl_isfinitel(x) finitel(x)
2397 # elif defined(HAS_INFL) && defined(HAS_NANL)
2398 # define Perl_isfinitel(x) !(isinfl(x)||isnanl(x))
2400 # define Perl_isfinitel(x) ((x) * 0 == 0) /* See Perl_isfinite. */
2404 /* The default is to use Perl's own atof() implementation (in numeric.c).
2405 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2406 * it is however best to use the native implementation of atof.
2407 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2408 * Some good tests to try out with either setting are t/base/num.t,
2409 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2410 * you may need to be using a different function than atof! */
2412 #ifndef USE_PERL_ATOF
2414 # define USE_PERL_ATOF
2417 # if USE_PERL_ATOF == 0
2418 # undef USE_PERL_ATOF
2422 #ifdef USE_PERL_ATOF
2423 # define Perl_atof(s) Perl_my_atof(s)
2424 # define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2426 # define Perl_atof(s) (NV)atof(s)
2427 # define Perl_atof2(s, n) ((n) = atof(s))
2430 /* Previously these definitions used hardcoded figures.
2431 * It is hoped these formula are more portable, although
2432 * no data one way or another is presently known to me.
2433 * The "PERL_" names are used because these calculated constants
2434 * do not meet the ANSI requirements for LONG_MAX, etc., which
2435 * need to be constants acceptable to #if - kja
2436 * define PERL_LONG_MAX 2147483647L
2437 * define PERL_LONG_MIN (-LONG_MAX - 1)
2438 * define PERL ULONG_MAX 4294967295L
2441 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2442 # include <limits.h>
2444 /* Included values.h above if necessary; still including limits.h down here,
2445 * despite doing above, because math.h might have overridden... XXX - Allen */
2448 * Try to figure out max and min values for the integral types. THE CORRECT
2449 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2450 * following hacks are used if neither limits.h or values.h provide them:
2451 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2452 * for types < int: (unsigned TYPE)~(unsigned)0
2453 * The argument to ~ must be unsigned so that later signed->unsigned
2454 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2455 * and it must not be smaller than int because ~ does integral promotion.
2456 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2457 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2458 * The latter is a hack which happens to work on some machines but
2459 * does *not* catch any random system, or things like integer types
2460 * with NaN if that is possible.
2462 * All of the types are explicitly cast to prevent accidental loss of
2463 * numeric range, and in the hope that they will be less likely to confuse
2464 * over-eager optimizers.
2468 #define PERL_UCHAR_MIN ((unsigned char)0)
2471 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
2474 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
2476 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
2481 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2482 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2483 * depending on local options. Until Configure detects this (or at least
2484 * detects whether the "signed" keyword is available) the CHAR ranges
2485 * will not be included. UCHAR functions normally.
2489 #define PERL_USHORT_MIN ((unsigned short)0)
2492 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
2495 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
2498 # define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2500 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2506 # define PERL_SHORT_MAX ((short)SHORT_MAX)
2508 # ifdef MAXSHORT /* Often used in <values.h> */
2509 # define PERL_SHORT_MAX ((short)MAXSHORT)
2512 # define PERL_SHORT_MAX ((short)SHRT_MAX)
2514 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2520 # define PERL_SHORT_MIN ((short)SHORT_MIN)
2523 # define PERL_SHORT_MIN ((short)MINSHORT)
2526 # define PERL_SHORT_MIN ((short)SHRT_MIN)
2528 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2534 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
2537 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
2539 # define PERL_UINT_MAX (~(unsigned int)0)
2543 #define PERL_UINT_MIN ((unsigned int)0)
2546 # define PERL_INT_MAX ((int)INT_MAX)
2548 # ifdef MAXINT /* Often used in <values.h> */
2549 # define PERL_INT_MAX ((int)MAXINT)
2551 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
2556 # define PERL_INT_MIN ((int)INT_MIN)
2559 # define PERL_INT_MIN ((int)MININT)
2561 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2566 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
2569 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
2571 # define PERL_ULONG_MAX (~(unsigned long)0)
2575 #define PERL_ULONG_MIN ((unsigned long)0L)
2578 # define PERL_LONG_MAX ((long)LONG_MAX)
2580 # ifdef MAXLONG /* Often used in <values.h> */
2581 # define PERL_LONG_MAX ((long)MAXLONG)
2583 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
2588 # define PERL_LONG_MIN ((long)LONG_MIN)
2591 # define PERL_LONG_MIN ((long)MINLONG)
2593 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
2599 # define PERL_UQUAD_MAX (~(UV)0)
2600 # define PERL_UQUAD_MIN ((UV)0)
2601 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
2602 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
2606 typedef MEM_SIZE STRLEN;
2608 typedef struct op OP;
2609 typedef struct cop COP;
2610 typedef struct unop UNOP;
2611 typedef struct unop_aux UNOP_AUX;
2612 typedef struct binop BINOP;
2613 typedef struct listop LISTOP;
2614 typedef struct logop LOGOP;
2615 typedef struct pmop PMOP;
2616 typedef struct svop SVOP;
2617 typedef struct padop PADOP;
2618 typedef struct pvop PVOP;
2619 typedef struct loop LOOP;
2620 typedef struct methop METHOP;
2623 typedef struct opslab OPSLAB;
2624 typedef struct opslot OPSLOT;
2627 typedef struct block_hooks BHK;
2628 typedef struct custom_op XOP;
2630 typedef struct interpreter PerlInterpreter;
2632 /* SGI's <sys/sema.h> has struct sv */
2634 # define STRUCT_SV perl_sv
2636 # define STRUCT_SV sv
2638 typedef struct STRUCT_SV SV;
2639 typedef struct av AV;
2640 typedef struct hv HV;
2641 typedef struct cv CV;
2642 typedef struct p5rx REGEXP;
2643 typedef struct gp GP;
2644 typedef struct gv GV;
2645 typedef struct io IO;
2646 typedef struct context PERL_CONTEXT;
2647 typedef struct block BLOCK;
2649 typedef struct magic MAGIC;
2650 typedef struct xpv XPV;
2651 typedef struct xpviv XPVIV;
2652 typedef struct xpvuv XPVUV;
2653 typedef struct xpvnv XPVNV;
2654 typedef struct xpvmg XPVMG;
2655 typedef struct xpvlv XPVLV;
2656 typedef struct xpvinvlist XINVLIST;
2657 typedef struct xpvav XPVAV;
2658 typedef struct xpvhv XPVHV;
2659 typedef struct xpvgv XPVGV;
2660 typedef struct xpvcv XPVCV;
2661 typedef struct xpvbm XPVBM;
2662 typedef struct xpvfm XPVFM;
2663 typedef struct xpvio XPVIO;
2664 typedef struct mgvtbl MGVTBL;
2665 typedef union any ANY;
2666 typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2667 typedef struct ptr_tbl PTR_TBL_t;
2668 typedef struct clone_params CLONE_PARAMS;
2670 /* a pad is currently just an AV; but that might change,
2671 * so hide the type. */
2672 typedef struct padlist PADLIST;
2674 typedef struct padnamelist PADNAMELIST;
2675 typedef struct padname PADNAME;
2677 /* enable PERL_COPY_ON_WRITE by default */
2678 #if !defined(PERL_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2679 # define PERL_COPY_ON_WRITE
2682 #ifdef PERL_COPY_ON_WRITE
2683 # define PERL_ANY_COW
2685 # define PERL_SAWAMPERSAND
2688 #if defined(PERL_DEBUG_READONLY_OPS) && !defined(USE_ITHREADS)
2689 # error PERL_DEBUG_READONLY_OPS only works with ithreads
2693 #include "charclass_invlists.h"
2695 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
2696 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2697 # define USE_64_BIT_RAWIO /* implicit */
2701 /* Notice the use of HAS_FSEEKO: now we are obligated to always use
2702 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2703 * however, because operating systems like to do that themself. */
2706 # define FSEEKSIZE LSEEKSIZE
2708 # define FSEEKSIZE LONGSIZE
2712 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
2713 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2714 # define USE_64_BIT_STDIO /* implicit */
2718 #ifdef USE_64_BIT_RAWIO
2721 # define Off_t off64_t
2723 # define LSEEKSIZE 8
2725 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2726 * will trigger defines like the ones below. Some 64-bit environments,
2727 * however, do not. Therefore we have to explicitly mix and match. */
2728 # if defined(USE_OPEN64)
2729 # define open open64
2731 # if defined(USE_LSEEK64)
2732 # define lseek lseek64
2734 # if defined(USE_LLSEEK)
2735 # define lseek llseek
2738 # if defined(USE_STAT64)
2739 # define stat stat64
2741 # if defined(USE_FSTAT64)
2742 # define fstat fstat64
2744 # if defined(USE_LSTAT64)
2745 # define lstat lstat64
2747 # if defined(USE_FLOCK64)
2748 # define flock flock64
2750 # if defined(USE_LOCKF64)
2751 # define lockf lockf64
2753 # if defined(USE_FCNTL64)
2754 # define fcntl fcntl64
2756 # if defined(USE_TRUNCATE64)
2757 # define truncate truncate64
2759 # if defined(USE_FTRUNCATE64)
2760 # define ftruncate ftruncate64
2764 #ifdef USE_64_BIT_STDIO
2765 # ifdef HAS_FPOS64_T
2767 # define Fpos_t fpos64_t
2769 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2770 * will trigger defines like the ones below. Some 64-bit environments,
2771 * however, do not. */
2772 # if defined(USE_FOPEN64)
2773 # define fopen fopen64
2775 # if defined(USE_FSEEK64)
2776 # define fseek fseek64 /* don't do fseeko here, see perlio.c */
2778 # if defined(USE_FTELL64)
2779 # define ftell ftell64 /* don't do ftello here, see perlio.c */
2781 # if defined(USE_FSETPOS64)
2782 # define fsetpos fsetpos64
2784 # if defined(USE_FGETPOS64)
2785 # define fgetpos fgetpos64
2787 # if defined(USE_TMPFILE64)
2788 # define tmpfile tmpfile64
2790 # if defined(USE_FREOPEN64)
2791 # define freopen freopen64
2796 # include "iperlsys.h"
2801 # include "os2ish.h"
2803 # include "dosish.h"
2806 # include "vmsish.h"
2807 #elif defined(PLAN9)
2808 # include "./plan9/plan9ish.h"
2809 #elif defined(__VOS__)
2811 # include "./vos/vosish.h"
2813 # include "vos/vosish.h"
2815 #elif defined(__SYMBIAN32__)
2816 # include "symbian/symbianish.h"
2817 #elif defined(__HAIKU__)
2818 # include "haiku/haikuish.h"
2820 # include "unixish.h"
2824 # include "amigaos.h"
2825 # undef FD_CLOEXEC /* a lie in AmigaOS */
2828 /* NSIG logic from Configure --> */
2829 /* Strange style to avoid deeply-nested #if/#else/#endif */
2832 # define NSIG (_NSIG)
2838 # define NSIG (SIGMAX+1)
2844 # define NSIG (SIG_MAX+1)
2850 # define NSIG (_SIG_MAX+1)
2856 # define NSIG (MAXSIG+1)
2862 # define NSIG (MAX_SIG+1)
2867 # ifdef SIGARRAYSIZE
2868 # define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2874 # define NSIG (_sys_nsig) /* Solaris 2.5 */
2878 /* Default to some arbitrary number that's big enough to get most
2879 of the common signals.
2884 /* <-- NSIG logic from Configure */
2886 #ifndef NO_ENVIRON_ARRAY
2887 # define USE_ENVIRON_ARRAY
2891 * initialise to avoid floating-point exceptions from overflow, etc
2893 #ifndef PERL_FPU_INIT
2894 # ifdef HAS_FPSETMASK
2895 # if HAS_FLOATINGPOINT_H
2896 # include <floatingpoint.h>
2898 /* Some operating systems have this as a macro, which in turn expands to a comma
2899 expression, and the last sub-expression is something that gets calculated,
2900 and then they have the gall to warn that a value computed is not used. Hence
2902 # define PERL_FPU_INIT (void)fpsetmask(0)
2904 # if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
2905 # define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
2906 # define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2907 # define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
2909 # define PERL_FPU_INIT
2914 #ifndef PERL_FPU_PRE_EXEC
2915 # define PERL_FPU_PRE_EXEC {
2916 # define PERL_FPU_POST_EXEC }
2919 /* In Tru64 the cc -ieee enables the IEEE math but disables traps.
2920 * We need to reenable the "invalid" trap because otherwise generation
2921 * of NaN values leaves the IEEE fp flags in bad state, leaving any further
2922 * fp ops behaving strangely (Inf + 1 resulting in zero, for example). */
2924 # include <machine/fpu.h>
2925 # define PERL_SYS_FPU_INIT \
2927 ieee_set_fp_control(IEEE_TRAP_ENABLE_INV); \
2928 signal(SIGFPE, SIG_IGN); \
2931 /* In IRIX the default for Flush to Zero bit is true,
2932 * which means that results going below the minimum of normal
2933 * floating points go to zero, instead of going denormal/subnormal.
2934 * This is unlike almost any other system running Perl, so let's clear it.
2935 * [perl #123767] IRIX64 blead (ddce084a) opbasic/arith.t failure, originally
2936 * [perl #120426] small numbers shouldn't round to zero if they have extra floating digits
2938 * XXX The flush-to-zero behaviour should be a Configure scan.
2939 * To change the behaviour usually requires some system-specific
2940 * incantation, though, like the below. */
2942 # include <sys/fpu.h>
2943 # define PERL_SYS_FPU_INIT \
2945 union fpc_csr csr; \
2946 csr.fc_word = get_fpc_csr(); \
2947 csr.fc_struct.flush = 0; \
2948 set_fpc_csr(csr.fc_word); \
2952 #ifndef PERL_SYS_FPU_INIT
2953 # define PERL_SYS_FPU_INIT NOOP
2956 #ifndef PERL_SYS_INIT3_BODY
2957 # define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
2961 =head1 Miscellaneous Functions
2963 =for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
2964 Provides system-specific tune up of the C runtime environment necessary to
2965 run Perl interpreters. This should be called only once, before creating
2966 any Perl interpreters.
2968 =for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
2969 Provides system-specific tune up of the C runtime environment necessary to
2970 run Perl interpreters. This should be called only once, before creating
2971 any Perl interpreters.
2973 =for apidoc Am|void|PERL_SYS_TERM|
2974 Provides system-specific clean up of the C runtime environment after
2975 running Perl interpreters. This should be called only once, after
2976 freeing any remaining Perl interpreters.
2981 #define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2982 #define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
2983 #define PERL_SYS_TERM() Perl_sys_term()
2985 #ifndef PERL_WRITE_MSG_TO_CONSOLE
2986 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2991 # ifdef _POSIX_PATH_MAX
2992 # if PATH_MAX > _POSIX_PATH_MAX
2993 /* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2994 * included the null byte or not. Later amendments of POSIX,
2995 * XPG4, the Austin Group, and the Single UNIX Specification
2996 * all explicitly include the null byte in the PATH_MAX.
2997 * Ditto for _POSIX_PATH_MAX. */
2998 # define MAXPATHLEN PATH_MAX
3000 # define MAXPATHLEN _POSIX_PATH_MAX
3003 # define MAXPATHLEN (PATH_MAX+1)
3006 # define MAXPATHLEN 1024 /* Err on the large side. */
3010 /* In case Configure was not used (we are using a "canned config"
3011 * such as Win32, or a cross-compilation setup, for example) try going
3012 * by the gcc major and minor versions. One useful URL is
3013 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
3014 * but contrary to this information warn_unused_result seems
3015 * not to be in gcc 3.3.5, at least. --jhi
3016 * Also, when building extensions with an installed perl, this allows
3017 * the user to upgrade gcc and get the right attributes, rather than
3018 * relying on the list generated at Configure time. --AD
3019 * Set these up now otherwise we get confused when some of the <*thread.h>
3020 * includes below indirectly pull in <perlio.h> (which needs to know if we
3021 * have HASATTRIBUTE_FORMAT).
3025 #if defined __GNUC__ && !defined(__INTEL_COMPILER)
3026 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
3027 # define HASATTRIBUTE_DEPRECATED
3029 # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
3030 # define HASATTRIBUTE_FORMAT
3031 # if defined __MINGW32__
3032 # define PRINTF_FORMAT_NULL_OK
3035 # if __GNUC__ >= 3 /* 3.0 -> */
3036 # define HASATTRIBUTE_MALLOC
3038 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
3039 # define HASATTRIBUTE_NONNULL
3041 # if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
3042 # define HASATTRIBUTE_NORETURN
3044 # if __GNUC__ >= 3 /* gcc 3.0 -> */
3045 # define HASATTRIBUTE_PURE
3047 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
3048 # define HASATTRIBUTE_UNUSED
3050 # if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
3051 # define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
3053 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
3054 # define HASATTRIBUTE_WARN_UNUSED_RESULT
3057 #endif /* #ifndef PERL_MICRO */
3059 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
3060 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
3061 * this results in many functions being undeclared which bothers C++
3062 * May make sense to have threads after "*ish.h" anyway
3065 /* clang Thread Safety Analysis/Annotations/Attributes
3066 * http://clang.llvm.org/docs/ThreadSafetyAnalysis.html
3068 * Available since clang 3.5-ish (appeared in 3.4, but shaky).
3069 * Apple XCode hijacks __clang_major__ and __clang_minor__
3070 * (6.0 means really clang 3.5), so needs extra hijinks.
3072 #if defined(USE_ITHREADS) && defined(I_PTHREAD) && \
3073 defined(__clang__) && \
3075 ((!defined(__apple_build_version__) && \
3076 ((__clang_major__ == 3 && __clang_minor__ >= 5) || \
3077 (__clang_major__ >= 4))) || \
3078 (defined(__apple_build_version__) && \
3079 ((__clang_major__ >= 6))))
3080 # define PERL_TSA__(x) __attribute__((x))
3081 # define PERL_TSA_ACTIVE
3083 # define PERL_TSA__(x) /* No TSA, make TSA attributes no-ops. */
3084 # undef PERL_TSA_ACTIVE
3087 /* PERL_TSA_CAPABILITY() is used to annotate typedefs.
3088 * typedef old_type PERL_TSA_CAPABILITY("mutex") new_type;
3090 #define PERL_TSA_CAPABILITY(x) \
3091 PERL_TSA__(capability(x))
3093 /* In the below examples the mutex must be lexically visible, usually
3094 * either as global variables, or as function arguments. */
3096 /* PERL_TSA_GUARDED_BY() is used to annotate global variables.
3098 * Foo foo PERL_TSA_GUARDED_BY(mutex);
3100 #define PERL_TSA_GUARDED_BY(x) \
3101 PERL_TSA__(guarded_by(x))
3103 /* PERL_TSA_PT_GUARDED_BY() is used to annotate global pointers.
3104 * The data _behind_ the pointer is guarded.
3106 * Foo* ptr PERL_TSA_PT_GUARDED_BY(mutex);
3108 #define PERL_TSA_PT_GUARDED_BY(x) \
3109 PERL_TSA__(pt_guarded_by(x))
3111 /* PERL_TSA_REQUIRES() is used to annotate functions.
3112 * The caller MUST hold the resource when calling the function.
3114 * void Foo() PERL_TSA_REQUIRES(mutex);
3116 #define PERL_TSA_REQUIRES(x) \
3117 PERL_TSA__(requires_capability(x))
3119 /* PERL_TSA_EXCLUDES() is used to annotate functions.
3120 * The caller MUST NOT hold resource when calling the function.
3122 * EXCLUDES should be used when the function first acquires
3123 * the resource and then releases it. Use to avoid deadlock.
3125 * void Foo() PERL_TSA_EXCLUDES(mutex);
3127 #define PERL_TSA_EXCLUDES(x) \
3128 PERL_TSA__(locks_excluded(x))
3130 /* PERL_TSA_ACQUIRE() is used to annotate functions.
3131 * The caller MUST NOT hold the resource when calling the function,
3132 * and the function will acquire the resource.
3134 * void Foo() PERL_TSA_ACQUIRE(mutex);
3136 #define PERL_TSA_ACQUIRE(x) \
3137 PERL_TSA__(acquire_capability(x))
3139 /* PERL_TSA_RELEASE() is used to annotate functions.
3140 * The caller MUST hold the resource when calling the function,
3141 * and the function will release the resource.
3143 * void Foo() PERL_TSA_RELEASE(mutex);
3145 #define PERL_TSA_RELEASE(x) \
3146 PERL_TSA__(release_capability(x))
3148 /* PERL_TSA_NO_TSA is used to annotate functions.
3149 * Used when being intentionally unsafe, or when the code is too
3150 * complicated for the analysis. Use sparingly.
3152 * void Foo() PERL_TSA_NO_TSA;
3154 #define PERL_TSA_NO_TSA \
3155 PERL_TSA__(no_thread_safety_analysis)
3157 /* There are more annotations/attributes available, see the clang
3158 * documentation for details. */
3160 #if defined(USE_ITHREADS)
3162 # include <nw5thread.h>
3165 # include <win32thread.h>
3168 # include "os2thread.h"
3170 # ifdef I_MACH_CTHREADS
3171 # include <mach/cthreads.h>
3172 typedef cthread_t perl_os_thread;
3173 typedef mutex_t perl_mutex;
3174 typedef condition_t perl_cond;
3175 typedef void * perl_key;
3176 # else /* Posix threads */
3178 # include <pthread.h>
3180 typedef pthread_t perl_os_thread;
3181 typedef pthread_mutex_t PERL_TSA_CAPABILITY("mutex") perl_mutex;
3182 typedef pthread_cond_t perl_cond;
3183 typedef pthread_key_t perl_key;
3184 # endif /* I_MACH_CTHREADS */
3187 # endif /* NETWARE */
3188 #endif /* USE_ITHREADS */
3190 #ifdef PERL_TSA_ACTIVE
3191 /* Since most pthread mutex interfaces have not been annotated, we
3192 * need to have these wrappers. The NO_TSA annotation is quite ugly
3193 * but it cannot be avoided in plain C, unlike in C++, where one could
3194 * e.g. use ACQUIRE() with no arg on a mutex lock method.
3196 * The bodies of these wrappers are in util.c
3198 * TODO: however, some platforms are starting to get these clang
3199 * thread safety annotations for pthreads, for example FreeBSD.
3200 * Do we need a way to a bypass these wrappers? */
3201 int perl_tsa_mutex_lock(perl_mutex* mutex)
3202 PERL_TSA_ACQUIRE(*mutex)
3204 int perl_tsa_mutex_unlock(perl_mutex* mutex)
3205 PERL_TSA_RELEASE(*mutex)
3214 # include "netware.h"
3217 #define STATUS_UNIX PL_statusvalue
3219 # define STATUS_NATIVE PL_statusvalue_vms
3221 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
3222 * its contents can not be trusted. Unfortunately, Perl seems to check
3223 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
3226 # include <stsdef.h>
3228 /* Presume this because if VMS changes it, it will require a new
3229 * set of APIs for waiting on children for binary compatibility.
3231 # define child_offset_bits (8)
3232 # ifndef C_FAC_POSIX
3233 # define C_FAC_POSIX 0x35A000
3236 /* STATUS_EXIT - validates and returns a NATIVE exit status code for the
3237 * platform from the existing UNIX or Native status values.
3240 # define STATUS_EXIT \
3241 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
3242 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
3245 /* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
3246 * exit code and shifts the UNIX value over the correct number of bits to
3247 * be a child status. Usually the number of bits is 8, but that could be
3248 * platform dependent. The NATIVE status code is presumed to have either
3249 * from a child process.
3252 /* This is complicated. The child processes return a true native VMS
3253 status which must be saved. But there is an assumption in Perl that
3254 the UNIX child status has some relationship to errno values, so
3255 Perl tries to translate it to text in some of the tests.
3256 In order to get the string translation correct, for the error, errno
3257 must be EVMSERR, but that generates a different text message
3258 than what the test programs are expecting. So an errno value must
3259 be derived from the native status value when an error occurs.
3260 That will hide the true native status message. With this version of
3261 perl, the true native child status can always be retrieved so that
3262 is not a problem. But in this case, Pl_statusvalue and errno may
3263 have different values in them.
3266 # define STATUS_NATIVE_CHILD_SET(n) \
3268 I32 evalue = (I32)n; \
3269 if (evalue == EVMSERR) { \
3270 PL_statusvalue_vms = vaxc$errno; \
3271 PL_statusvalue = evalue; \
3273 PL_statusvalue_vms = evalue; \
3274 if (evalue == -1) { \
3275 PL_statusvalue = -1; \
3276 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
3278 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
3279 set_vaxc_errno(evalue); \
3280 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
3281 set_errno(EVMSERR); \
3282 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
3283 PL_statusvalue = PL_statusvalue << child_offset_bits; \
3287 # ifdef VMSISH_STATUS
3288 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
3290 # define STATUS_CURRENT STATUS_UNIX
3293 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
3294 * the NATIVE status to an equivalent value. Can not be used to translate
3295 * exit code values as exit code values are not guaranteed to have any
3296 * relationship at all to errno values.
3297 * This is used when Perl is forcing errno to have a specific value.
3299 # define STATUS_UNIX_SET(n) \
3301 I32 evalue = (I32)n; \
3302 PL_statusvalue = evalue; \
3303 if (PL_statusvalue != -1) { \
3304 if (PL_statusvalue != EVMSERR) { \
3305 PL_statusvalue &= 0xFFFF; \
3306 if (MY_POSIX_EXIT) \
3307 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
3308 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
3311 PL_statusvalue_vms = vaxc$errno; \
3314 else PL_statusvalue_vms = SS$_ABORT; \
3315 set_vaxc_errno(PL_statusvalue_vms); \
3318 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
3319 * the NATIVE error status based on it.
3321 * When in the default mode to comply with the Perl VMS documentation,
3322 * 0 is a success and any other code sets the NATIVE status to a failure
3323 * code of SS$_ABORT.
3325 * In the new POSIX EXIT mode, native status will be set so that the
3326 * actual exit code will can be retrieved by the calling program or
3329 * If the exit code is not clearly a UNIX parent or child exit status,
3330 * it will be passed through as a VMS status.
3333 # define STATUS_UNIX_EXIT_SET(n) \
3335 I32 evalue = (I32)n; \
3336 PL_statusvalue = evalue; \
3337 if (MY_POSIX_EXIT) { \
3338 if (evalue <= 0xFF00) { \
3339 if (evalue > 0xFF) \
3340 evalue = (evalue >> child_offset_bits) & 0xFF; \
3341 PL_statusvalue_vms = \
3342 (C_FAC_POSIX | (evalue << 3 ) | \
3343 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3344 } else /* forgive them Perl, for they have sinned */ \
3345 PL_statusvalue_vms = evalue; \
3348 PL_statusvalue_vms = SS$_NORMAL; \
3349 else if (evalue <= 0xFF00) \
3350 PL_statusvalue_vms = SS$_ABORT; \
3351 else { /* forgive them Perl, for they have sinned */ \
3352 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3353 else PL_statusvalue_vms = vaxc$errno; \
3354 /* And obviously used a VMS status value instead of UNIX */ \
3355 PL_statusvalue = EVMSERR; \
3357 set_vaxc_errno(PL_statusvalue_vms); \
3362 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3363 * and sets the NATIVE error status based on it. This special case
3364 * is needed to maintain compatibility with past VMS behavior.
3366 * In the default mode on VMS, this number is passed through as
3367 * both the NATIVE and UNIX status. Which makes it different
3368 * that the STATUS_UNIX_EXIT_SET.
3370 * In the new POSIX EXIT mode, native status will be set so that the
3371 * actual exit code will can be retrieved by the calling program or
3374 * A POSIX exit code is from 0 to 255. If the exit code is higher
3375 * than this, it needs to be assumed that it is a VMS exit code and
3379 # define STATUS_EXIT_SET(n) \
3381 I32 evalue = (I32)n; \
3382 PL_statusvalue = evalue; \
3383 if (MY_POSIX_EXIT) \
3384 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3385 PL_statusvalue_vms = \
3386 (C_FAC_POSIX | (evalue << 3 ) | \
3387 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
3389 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3390 set_vaxc_errno(PL_statusvalue_vms); \
3394 /* This macro forces a success status */
3395 # define STATUS_ALL_SUCCESS \
3396 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
3398 /* This macro forces a failure status */
3399 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3400 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3401 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
3403 #elif defined(__amigaos4__)
3404 /* A somewhat experimental attempt to simulate posix return code values */
3405 # define STATUS_NATIVE PL_statusvalue_posix
3406 # define STATUS_NATIVE_CHILD_SET(n) \
3408 PL_statusvalue_posix = (n); \
3409 if (PL_statusvalue_posix < 0) { \
3410 PL_statusvalue = -1; \
3413 PL_statusvalue = n << 8; \
3416 # define STATUS_UNIX_SET(n) \
3418 PL_statusvalue = (n); \
3419 if (PL_statusvalue != -1) \
3420 PL_statusvalue &= 0xFFFF; \
3422 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3423 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3424 # define STATUS_CURRENT STATUS_UNIX
3425 # define STATUS_EXIT STATUS_UNIX
3426 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3427 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3430 # define STATUS_NATIVE PL_statusvalue_posix
3431 # if defined(WCOREDUMP)
3432 # define STATUS_NATIVE_CHILD_SET(n) \
3434 PL_statusvalue_posix = (n); \
3435 if (PL_statusvalue_posix == -1) \
3436 PL_statusvalue = -1; \
3439 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3440 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3441 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3444 # elif defined(WIFEXITED)
3445 # define STATUS_NATIVE_CHILD_SET(n) \
3447 PL_statusvalue_posix = (n); \
3448 if (PL_statusvalue_posix == -1) \
3449 PL_statusvalue = -1; \
3452 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3453 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3457 # define STATUS_NATIVE_CHILD_SET(n) \
3459 PL_statusvalue_posix = (n); \
3460 if (PL_statusvalue_posix == -1) \
3461 PL_statusvalue = -1; \
3464 PL_statusvalue_posix & 0xFFFF; \
3468 # define STATUS_UNIX_SET(n) \
3470 PL_statusvalue = (n); \
3471 if (PL_statusvalue != -1) \
3472 PL_statusvalue &= 0xFFFF; \
3474 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3475 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3476 # define STATUS_CURRENT STATUS_UNIX
3477 # define STATUS_EXIT STATUS_UNIX
3478 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3479 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3482 /* flags in PL_exit_flags for nature of exit() */
3483 #define PERL_EXIT_EXPECTED 0x01
3484 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
3485 #define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3486 #define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
3489 /* format to use for version numbers in file/directory names */
3490 /* XXX move to Configure? */
3491 /* This was only ever used for the current version, and that can be done at
3492 compile time, as PERL_FS_VERSION, so should we just delete it? */
3493 # ifndef PERL_FS_VER_FMT
3494 # define PERL_FS_VER_FMT "%d.%d.%d"
3498 #ifndef PERL_FS_VERSION
3499 # define PERL_FS_VERSION PERL_VERSION_STRING
3502 /* This defines a way to flush all output buffers. This may be a
3503 * performance issue, so we allow people to disable it. Also, if
3504 * we are using stdio, there are broken implementations of fflush(NULL)
3505 * out there, Solaris being the most prominent.
3507 #ifndef PERL_FLUSHALL_FOR_CHILD
3508 # if defined(USE_PERLIO) || defined(FFLUSH_NULL)
3509 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
3512 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
3514 # define PERL_FLUSHALL_FOR_CHILD NOOP
3519 #ifndef PERL_WAIT_FOR_CHILDREN
3520 # define PERL_WAIT_FOR_CHILDREN NOOP
3523 /* the traditional thread-unsafe notion of "current interpreter". */
3524 #ifndef PERL_SET_INTERP
3525 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3528 #ifndef PERL_GET_INTERP
3529 # define PERL_GET_INTERP (PL_curinterp)
3532 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
3533 # ifdef MULTIPLICITY
3534 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
3536 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3540 This replaces the previous %_ "hack" by the "%p" hacks.
3541 All that is required is that the perl source does not
3542 use "%-p" or "%-<number>p" or "%<number>p" formats.
3543 These formats will still work in perl code.
3544 See comments in sv.c for further details.
3546 Robin Barker 2005-07-14
3548 No longer use %1p for VDf = %vd. RMB 2007-10-19
3552 # define SVf_(n) "-" STRINGIFY(n) "p"
3560 # define SVf32 SVf_(32)
3564 # define SVf256 SVf_(256)
3567 #define SVfARG(p) ((void*)(p))
3573 /* Not ideal, but we cannot easily include a number in an already-numeric
3574 * format sequence. */
3576 # define HEKf256 "3p"
3579 #define HEKfARG(p) ((void*)(p))
3581 /* Takes three arguments: is_utf8, length, str */
3583 # define UTF8f "d%" UVuf "%4p"
3585 #define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3588 #define PNfARG(pn) (int)1, (UV)PadnameLEN(pn), (void *)PadnamePV(pn)
3591 /* not used; but needed for backward compatibility with XS code? - RMB */
3599 #ifdef HASATTRIBUTE_DEPRECATED
3600 # define __attribute__deprecated__ __attribute__((deprecated))
3602 #ifdef HASATTRIBUTE_FORMAT
3603 # define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3605 #ifdef HASATTRIBUTE_MALLOC
3606 # define __attribute__malloc__ __attribute__((__malloc__))
3608 #ifdef HASATTRIBUTE_NONNULL
3609 # define __attribute__nonnull__(a) __attribute__((nonnull(a)))
3611 #ifdef HASATTRIBUTE_NORETURN
3612 # define __attribute__noreturn__ __attribute__((noreturn))
3614 #ifdef HASATTRIBUTE_PURE
3615 # define __attribute__pure__ __attribute__((pure))
3617 #ifdef HASATTRIBUTE_UNUSED
3618 # define __attribute__unused__ __attribute__((unused))
3620 #ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
3621 # define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
3624 /* If we haven't defined the attributes yet, define them to blank. */
3625 #ifndef __attribute__deprecated__
3626 # define __attribute__deprecated__
3628 #ifndef __attribute__format__
3629 # define __attribute__format__(x,y,z)
3631 #ifndef __attribute__malloc__
3632 # define __attribute__malloc__
3634 #ifndef __attribute__nonnull__
3635 # define __attribute__nonnull__(a)
3637 #ifndef __attribute__noreturn__
3638 # define __attribute__noreturn__
3640 #ifndef __attribute__pure__
3641 # define __attribute__pure__
3643 #ifndef __attribute__unused__
3644 # define __attribute__unused__
3646 #ifndef __attribute__warn_unused_result__
3647 # define __attribute__warn_unused_result__
3651 # if !defined(DEBUGGING) && !defined(NDEBUG)
3654 # include <assert.h>
3657 /* For functions that are marked as __attribute__noreturn__, it's not
3658 appropriate to call return. In either case, include the lint directive.
3660 #ifdef HASATTRIBUTE_NORETURN
3661 # define NORETURN_FUNCTION_END NOT_REACHED;
3663 # define NORETURN_FUNCTION_END NOT_REACHED; return 0
3666 /* Some OS warn on NULL format to printf */
3667 #ifdef PRINTF_FORMAT_NULL_OK
3668 # define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3670 # define __attribute__format__null_ok__(x,y,z)
3673 #ifdef HAS_BUILTIN_EXPECT
3674 # define EXPECT(expr,val) __builtin_expect(expr,val)
3676 # define EXPECT(expr,val) (expr)
3678 #define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3679 #define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
3680 #ifdef HAS_BUILTIN_CHOOSE_EXPR
3684 /* STATIC_ASSERT_GLOBAL/STATIC_ASSERT_STMT are like assert(), but for compile
3685 time invariants. That is, their argument must be a constant expression that
3686 can be verified by the compiler. This expression can contain anything that's
3687 known to the compiler, e.g. #define constants, enums, or sizeof (...). If
3688 the expression evaluates to 0, compilation fails.
3689 Because they generate no runtime code (i.e. their use is "free"), they're
3690 always active, even under non-DEBUGGING builds.
3691 STATIC_ASSERT_GLOBAL expands to a declaration and is suitable for use at
3692 file scope (outside of any function).
3693 STATIC_ASSERT_STMT expands to a statement and is suitable for use inside a
3696 #if (defined(static_assert) || (defined(__cplusplus) && __cplusplus >= 201103L)) && (!defined(__IBMC__) || __IBMC__ >= 1210)
3697 /* static_assert is a macro defined in <assert.h> in C11 or a compiler
3700 /* IBM XL C V11 does not support _Static_assert, no matter what <assert.h> says */
3701 # define STATIC_ASSERT_GLOBAL(COND) static_assert(COND, #COND)
3703 /* We use a bit-field instead of an array because gcc accepts
3704 'typedef char x[n]' where n is not a compile-time constant.
3705 We want to enforce constantness.
3707 # define STATIC_ASSERT_2(COND, SUFFIX) \
3709 unsigned int _static_assertion_failed_##SUFFIX : (COND) ? 1 : -1; \
3710 } _static_assertion_failed_##SUFFIX PERL_UNUSED_DECL
3711 # define STATIC_ASSERT_1(COND, SUFFIX) STATIC_ASSERT_2(COND, SUFFIX)
3712 # define STATIC_ASSERT_GLOBAL(COND) STATIC_ASSERT_1(COND, __LINE__)
3714 /* We need this wrapper even in C11 because 'case X: static_assert(...);' is an
3715 error (static_assert is a declaration, and only statements can have labels).
3717 #define STATIC_ASSERT_STMT(COND) do { STATIC_ASSERT_GLOBAL(COND); } while (0)
3719 #ifndef __has_builtin
3720 # define __has_builtin(x) 0 /* not a clang style compiler */
3723 /* ASSUME is like assert(), but it has a benefit in a release build. It is a
3724 hint to a compiler about a statement of fact in a function call free
3725 expression, which allows the compiler to generate better machine code.
3726 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3727 the control path is unreachable. In a for loop, ASSUME can be used to hint
3728 that a loop will run at least X times. ASSUME is based off MSVC's __assume
3729 intrinsic function, see its documents for more details.
3733 # if __has_builtin(__builtin_unreachable) \
3734 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4) /* 4.5 -> */
3735 # define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3736 # elif defined(_MSC_VER)
3737 # define ASSUME(x) __assume(x)
3738 # elif defined(__ARMCC_VERSION) /* untested */
3739 # define ASSUME(x) __promise(x)
3741 /* a random compiler might define assert to its own special optimization token
3742 so pass it through to C lib as a last resort */
3743 # define ASSUME(x) assert(x)
3746 # define ASSUME(x) assert(x)
3749 #define NOT_REACHED ASSUME(0)
3751 /* Some unistd.h's give a prototype for pause() even though
3752 HAS_PAUSE ends up undefined. This causes the #define
3753 below to be rejected by the compiler. Sigh.
3758 #define Pause() sleep((32767<<16)+32767)
3762 # ifdef IOCPARM_MASK
3763 /* on BSDish systems we're safe */
3764 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3766 # if defined(_IOC_SIZE) && defined(__GLIBC__)
3767 /* on Linux systems we're safe; except when we're not [perl #38223] */
3768 # define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
3770 /* otherwise guess at what's safe */
3771 # define IOCPARM_LEN(x) 256
3776 #if defined(__CYGWIN__)
3778 * This symbol, if defined, indicates that the program should
3779 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
3780 * that a file is in "binary" mode -- that is, that no translation
3781 * of bytes occurs on read or write operations.
3783 # define USEMYBINMODE /**/
3784 # include <io.h> /* for setmode() prototype */
3785 # define my_binmode(fp, iotype, mode) \
3786 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
3790 void init_os_extras(void);
3793 #ifdef UNION_ANY_DEFINITION
3794 UNION_ANY_DEFINITION;
3804 void (*any_dptr) (void*);
3805 void (*any_dxptr) (pTHX_ void*);
3809 typedef I32 (*filter_t) (pTHX_ int, SV *, int);
3811 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3812 #define FILTER_DATA(idx) \
3813 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3814 #define FILTER_ISREADER(idx) \
3815 (PL_parser && PL_parser->rsfp_filters \
3816 && idx >= AvFILLp(PL_parser->rsfp_filters))
3817 #define PERL_FILTER_EXISTS(i) \
3818 (PL_parser && PL_parser->rsfp_filters \
3819 && (i) <= av_tindex(PL_parser->rsfp_filters))
3821 #if defined(_AIX) && !defined(_AIX43)
3822 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3823 /* We cannot include <crypt.h> to get the struct crypt_data
3824 * because of setkey prototype problems when threading */
3825 typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3826 /* From OSF, Not needed in AIX
3834 #endif /* threading */
3837 #ifndef PERL_CALLCONV
3839 # define PERL_CALLCONV extern "C"
3841 # define PERL_CALLCONV
3844 #ifndef PERL_CALLCONV_NO_RET
3845 # define PERL_CALLCONV_NO_RET PERL_CALLCONV
3848 /* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
3849 dont have a noreturn as a declaration specifier
3851 #ifndef PERL_STATIC_NO_RET
3852 # define PERL_STATIC_NO_RET STATIC
3854 /* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
3855 builds that dont have a noreturn as a declaration specifier
3857 #ifndef PERL_STATIC_INLINE_NO_RET
3858 # define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
3862 # include "iperlsys.h"
3865 #ifdef __LIBCATAMOUNT__
3866 #undef HAS_PASSWD /* unixish.h but not unixish enough. */
3868 #define FAKE_BIT_BUCKET
3871 /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3872 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3873 * defined by Configure, despite their names being similar to the
3874 * other defines like USE_ITHREADS. Configure in fact knows nothing
3875 * about the randomised hashes. Therefore to enable/disable the hash
3876 * randomisation defines use the Configure -Accflags=... instead. */
3877 #if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
3878 # define USE_HASH_SEED
3881 /* Win32 defines a type 'WORD' in windef.h, and AmigaOS in exec/types.h.
3882 * This conflicts with the enumerator 'WORD' defined in perly.h.
3883 * The yytokentype enum is only a debugging aid, so it's not really needed. */
3884 #if defined(WIN32) || defined(__amigaos4__)
3885 # define YYTOKENTYPE
3890 /* macros to define bit-fields in structs. */
3891 #ifndef PERL_BITFIELD8
3892 # define PERL_BITFIELD8 unsigned
3894 #ifndef PERL_BITFIELD16
3895 # define PERL_BITFIELD16 unsigned
3897 #ifndef PERL_BITFIELD32
3898 # define PERL_BITFIELD32 unsigned
3908 #include "opnames.h"
3915 #include "warnings.h"
3918 /* these would be in doio.h if there was such a file */
3919 #define my_stat() my_stat_flags(SV_GMAGIC)
3920 #define my_lstat() my_lstat_flags(SV_GMAGIC)
3922 /* defined in sv.c, but also used in [ach]v.c */
3925 #undef _XPVCV_COMMON
3927 typedef struct _sublex_info SUBLEXINFO;
3928 struct _sublex_info {
3929 U8 super_state; /* lexer state to save */
3930 U16 sub_inwhat; /* "lex_inwhat" to use */
3931 OP *sub_op; /* "lex_op" to use */
3932 SV *repl; /* replacement of s/// or y/// */
3937 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
3939 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3941 /* These have to be predeclared, as they are used in proto.h which is #included
3942 * before their definitions in regcomp.h. */
3945 typedef struct regnode_charclass regnode_charclass;
3947 struct regnode_charclass_class;
3949 /* A hopefully less confusing name. The sub-classes are all Posix classes only
3950 * used under /l matching */
3951 typedef struct regnode_charclass_class regnode_charclass_posixl;
3953 typedef struct regnode_ssc regnode_ssc;
3954 typedef struct RExC_state_t RExC_state_t;
3955 struct _reg_trie_data;
3959 struct ptr_tbl_ent {
3960 struct ptr_tbl_ent* next;
3966 struct ptr_tbl_ent** tbl_ary;
3969 struct ptr_tbl_arena *tbl_arena;
3970 struct ptr_tbl_ent *tbl_arena_next;
3971 struct ptr_tbl_ent *tbl_arena_end;
3974 #if defined(htonl) && !defined(HAS_HTONL)
3977 #if defined(htons) && !defined(HAS_HTONS)
3980 #if defined(ntohl) && !defined(HAS_NTOHL)
3983 #if defined(ntohs) && !defined(HAS_NTOHS)
3991 # if (BYTEORDER & 0xffff) == 0x4321
3992 /* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3993 re-order their values. However, to behave identically to the alternative
3994 implementations, they should truncate to the correct size. */
3995 # define ntohl(x) ((x)&0xFFFFFFFF)
3996 # define htonl(x) ntohl(x)
3997 # define ntohs(x) ((x)&0xFFFF)
3998 # define htons(x) ntohs(x)
3999 # elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
4001 /* Note that we can't straight out declare our own htonl and htons because
4002 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
4003 to avoid the overhead of initialising the socket subsystem, but the headers
4004 that *declare* the various functions are still seen. If we declare our own
4005 htonl etc they will clash with the declarations in the Win32 headers. */
4007 PERL_STATIC_INLINE U32
4008 my_swap32(const U32 x) {
4009 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
4010 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
4013 PERL_STATIC_INLINE U16
4014 my_swap16(const U16 x) {
4015 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
4018 # define htonl(x) my_swap32(x)
4019 # define ntohl(x) my_swap32(x)
4020 # define ntohs(x) my_swap16(x)
4021 # define htons(x) my_swap16(x)
4023 # error "Unsupported byteorder"
4024 /* The C pre-processor doesn't let us return the value of BYTEORDER as part of
4025 the error message. Please check the value of the macro BYTEORDER, as defined
4026 in config.h. The values of BYTEORDER we expect are
4028 big endian little endian
4029 32 bit 0x4321 0x1234
4030 64 bit 0x87654321 0x12345678
4032 If you have a system with a different byte order, please see
4033 pod/perlhack.pod for how to submit a patch to add supporting code.
4039 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
4042 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
4043 /* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
4044 re-order their values. However, to behave identically to the alternative
4045 implementations, they should truncate to the correct size. */
4046 # define vtohl(x) ((x)&0xFFFFFFFF)
4047 # define vtohs(x) ((x)&0xFFFF)
4048 # define htovl(x) vtohl(x)
4049 # define htovs(x) vtohs(x)
4050 #elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
4051 # define vtohl(x) ((((x)&0xFF)<<24) \
4053 +(((x)&0x0000FF00)<<8) \
4054 +(((x)&0x00FF0000)>>8) )
4055 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
4056 # define htovl(x) vtohl(x)
4057 # define htovs(x) vtohs(x)
4059 # error "Unsupported byteorder"
4060 /* If you have need for current perl on PDP-11 or similar, and can help test
4061 that blead keeps working on a mixed-endian system, then see
4062 pod/perlhack.pod for how to submit patches to things working again. */
4065 /* *MAX Plus 1. A floating point value.
4066 Hopefully expressed in a way that dodgy floating point can't mess up.
4067 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
4069 May find that some broken compiler will want the value cast to I32.
4070 [after the shift, as signed >> may not be as secure as unsigned >>]
4072 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
4073 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
4074 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
4075 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
4076 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
4078 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
4080 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
4081 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
4082 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
4084 /* This may look like unnecessary jumping through hoops, but converting
4085 out of range floating point values to integers *is* undefined behaviour,
4086 and it is starting to bite.
4089 #define I_32(what) (cast_i32((NV)(what)))
4090 #define U_32(what) (cast_ulong((NV)(what)))
4091 #define I_V(what) (cast_iv((NV)(what)))
4092 #define U_V(what) (cast_uv((NV)(what)))
4094 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
4095 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
4096 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
4097 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
4098 : ((n) < U32_MAX_P1 ? (U32) (n) \
4099 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
4100 #define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
4101 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
4102 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
4103 #define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
4104 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
4105 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
4108 #define U_S(what) ((U16)U_32(what))
4109 #define U_I(what) ((unsigned int)U_32(what))
4110 #define U_L(what) U_32(what)
4113 # define Perl_signbit signbit
4116 /* These do not care about the fractional part, only about the range. */
4117 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
4118 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
4120 /* Used with UV/IV arguments: */
4121 /* XXXX: need to speed it up */
4122 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
4123 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
4130 #if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
4131 Uid_t getuid (void);
4132 Uid_t geteuid (void);
4133 Gid_t getgid (void);
4134 Gid_t getegid (void);
4138 #ifndef Perl_debug_log
4139 # define Perl_debug_log PerlIO_stderr()
4142 #ifndef Perl_error_log
4143 # define Perl_error_log (PL_stderrgv \
4144 && isGV(PL_stderrgv) \
4145 && GvIOp(PL_stderrgv) \
4146 && IoOFP(GvIOp(PL_stderrgv)) \
4147 ? IoOFP(GvIOp(PL_stderrgv)) \
4152 #define DEBUG_p_FLAG 0x00000001 /* 1 */
4153 #define DEBUG_s_FLAG 0x00000002 /* 2 */
4154 #define DEBUG_l_FLAG 0x00000004 /* 4 */
4155 #define DEBUG_t_FLAG 0x00000008 /* 8 */
4156 #define DEBUG_o_FLAG 0x00000010 /* 16 */
4157 #define DEBUG_c_FLAG 0x00000020 /* 32 */
4158 #define DEBUG_P_FLAG 0x00000040 /* 64 */
4159 #define DEBUG_m_FLAG 0x00000080 /* 128 */
4160 #define DEBUG_f_FLAG 0x00000100 /* 256 */
4161 #define DEBUG_r_FLAG 0x00000200 /* 512 */
4162 #define DEBUG_x_FLAG 0x00000400 /* 1024 */
4163 #define DEBUG_u_FLAG 0x00000800 /* 2048 */
4164 /* U is reserved for Unofficial, exploratory hacking */
4165 #define DEBUG_U_FLAG 0x00001000 /* 4096 */
4166 #define DEBUG_H_FLAG 0x00002000 /* 8192 */
4167 #define DEBUG_X_FLAG 0x00004000 /* 16384 */
4168 #define DEBUG_D_FLAG 0x00008000 /* 32768 */
4169 #define DEBUG_S_FLAG 0x00010000 /* 65536 */
4170 #define DEBUG_T_FLAG 0x00020000 /* 131072 */
4171 #define DEBUG_R_FLAG 0x00040000 /* 262144 */
4172 #define DEBUG_J_FLAG 0x00080000 /* 524288 */
4173 #define DEBUG_v_FLAG 0x00100000 /*1048576 */
4174 #define DEBUG_C_FLAG 0x00200000 /*2097152 */
4175 #define DEBUG_A_FLAG 0x00400000 /*4194304 */
4176 #define DEBUG_q_FLAG 0x00800000 /*8388608 */
4177 #define DEBUG_M_FLAG 0x01000000 /*16777216*/
4178 #define DEBUG_B_FLAG 0x02000000 /*33554432*/
4179 #define DEBUG_L_FLAG 0x04000000 /*67108864*/
4180 #define DEBUG_MASK 0x07FFEFFF /* 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_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
4213 # define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
4214 # define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
4215 # define DEBUG_Lv_TEST_ (DEBUG_L_TEST_ && DEBUG_v_TEST_)
4219 # define DEBUG_p_TEST DEBUG_p_TEST_
4220 # define DEBUG_s_TEST DEBUG_s_TEST_
4221 # define DEBUG_l_TEST DEBUG_l_TEST_
4222 # define DEBUG_t_TEST DEBUG_t_TEST_
4223 # define DEBUG_o_TEST DEBUG_o_TEST_
4224 # define DEBUG_c_TEST DEBUG_c_TEST_
4225 # define DEBUG_P_TEST DEBUG_P_TEST_
4226 # define DEBUG_m_TEST DEBUG_m_TEST_
4227 # define DEBUG_f_TEST DEBUG_f_TEST_
4228 # define DEBUG_r_TEST DEBUG_r_TEST_
4229 # define DEBUG_x_TEST DEBUG_x_TEST_
4230 # define DEBUG_u_TEST DEBUG_u_TEST_
4231 # define DEBUG_U_TEST DEBUG_U_TEST_
4232 # define DEBUG_H_TEST DEBUG_H_TEST_
4233 # define DEBUG_X_TEST DEBUG_X_TEST_
4234 # define DEBUG_D_TEST DEBUG_D_TEST_
4235 # define DEBUG_S_TEST DEBUG_S_TEST_
4236 # define DEBUG_T_TEST DEBUG_T_TEST_
4237 # define DEBUG_R_TEST DEBUG_R_TEST_
4238 # define DEBUG_J_TEST DEBUG_J_TEST_
4239 # define DEBUG_v_TEST DEBUG_v_TEST_
4240 # define DEBUG_C_TEST DEBUG_C_TEST_
4241 # define DEBUG_A_TEST DEBUG_A_TEST_
4242 # define DEBUG_q_TEST DEBUG_q_TEST_
4243 # define DEBUG_M_TEST DEBUG_M_TEST_
4244 # define DEBUG_B_TEST DEBUG_B_TEST_
4245 # define DEBUG_L_TEST DEBUG_L_TEST_
4246 # define DEBUG_Xv_TEST DEBUG_Xv_TEST_
4247 # define DEBUG_Uv_TEST DEBUG_Uv_TEST_
4248 # define DEBUG_Pv_TEST DEBUG_Pv_TEST_
4249 # define DEBUG_Lv_TEST DEBUG_Lv_TEST_
4251 # define PERL_DEB(a) a
4252 # define PERL_DEB2(a,b) a
4253 # define PERL_DEBUG(a) if (PL_debug) a
4254 # define DEBUG_p(a) if (DEBUG_p_TEST) a
4255 # define DEBUG_s(a) if (DEBUG_s_TEST) a
4256 # define DEBUG_l(a) if (DEBUG_l_TEST) a
4257 # define DEBUG_t(a) if (DEBUG_t_TEST) a
4258 # define DEBUG_o(a) if (DEBUG_o_TEST) a
4259 # define DEBUG_c(a) if (DEBUG_c_TEST) a
4260 # define DEBUG_P(a) if (DEBUG_P_TEST) a
4262 /* Temporarily turn off memory debugging in case the a
4263 * does memory allocation, either directly or indirectly. */
4264 # define DEBUG_m(a) \
4266 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
4269 # define DEBUG__(t, a) \
4271 if (t) STMT_START {a;} STMT_END; \
4274 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
4275 #ifndef PERL_EXT_RE_BUILD
4276 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
4278 # define DEBUG_r(a) STMT_START {a;} STMT_END
4279 #endif /* PERL_EXT_RE_BUILD */
4280 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
4281 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
4282 # define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
4283 # define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
4284 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
4285 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
4286 # define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
4287 # define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
4288 # define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
4289 # define DEBUG_Lv(a) DEBUG__(DEBUG_Lv_TEST, a)
4291 # define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
4292 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
4293 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
4294 # define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
4295 # define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
4296 # define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
4297 # define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
4298 # define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
4299 # define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
4300 # define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
4302 #else /* DEBUGGING */
4304 # define DEBUG_p_TEST (0)
4305 # define DEBUG_s_TEST (0)
4306 # define DEBUG_l_TEST (0)
4307 # define DEBUG_t_TEST (0)
4308 # define DEBUG_o_TEST (0)
4309 # define DEBUG_c_TEST (0)
4310 # define DEBUG_P_TEST (0)
4311 # define DEBUG_m_TEST (0)
4312 # define DEBUG_f_TEST (0)
4313 # define DEBUG_r_TEST (0)
4314 # define DEBUG_x_TEST (0)
4315 # define DEBUG_u_TEST (0)
4316 # define DEBUG_U_TEST (0)
4317 # define DEBUG_H_TEST (0)
4318 # define DEBUG_X_TEST (0)
4319 # define DEBUG_D_TEST (0)
4320 # define DEBUG_S_TEST (0)
4321 # define DEBUG_T_TEST (0)
4322 # define DEBUG_R_TEST (0)
4323 # define DEBUG_J_TEST (0)
4324 # define DEBUG_v_TEST (0)
4325 # define DEBUG_C_TEST (0)
4326 # define DEBUG_A_TEST (0)
4327 # define DEBUG_q_TEST (0)
4328 # define DEBUG_M_TEST (0)
4329 # define DEBUG_B_TEST (0)
4330 # define DEBUG_L_TEST (0)
4331 # define DEBUG_Xv_TEST (0)
4332 # define DEBUG_Uv_TEST (0)
4333 # define DEBUG_Pv_TEST (0)
4334 # define DEBUG_Lv_TEST (0)
4336 # define PERL_DEB(a)
4337 # define PERL_DEB2(a,b) b
4338 # define PERL_DEBUG(a)
4365 # define DEBUG_Xv(a)
4366 # define DEBUG_Uv(a)
4367 # define DEBUG_Pv(a)
4368 # define DEBUG_Lv(a)
4369 #endif /* DEBUGGING */
4372 #define DEBUG_SCOPE(where) \
4374 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
4375 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
4376 __FILE__, __LINE__));
4378 /* Keep the old croak based assert for those who want it, and as a fallback if
4379 the platform is so heretically non-ANSI that it can't assert. */
4381 #define Perl_assert(what) PERL_DEB2( \
4382 ((what) ? ((void) 0) : \
4383 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
4384 "\", line %d", STRINGIFY(what), __LINE__), \
4385 (void) 0)), ((void)0))
4387 /* assert() gets defined if DEBUGGING (and I_ASSERT).
4388 * If no DEBUGGING, the <assert.h> has not been included. */
4390 # define assert(what) Perl_assert(what)
4393 # define assert_(what) assert(what),
4395 # define assert_(what)
4399 I32 (*uf_val)(pTHX_ IV, SV*);
4400 I32 (*uf_set)(pTHX_ IV, SV*);
4404 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
4405 * XS code wanting to be backward compatible can do something
4406 * like the following:
4408 #ifndef PERL_MG_UFUNC
4409 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
4412 static PERL_MG_UFUNC(foo_get, index, val)
4422 #ifndef PERL_MG_UFUNC
4423 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
4426 /* Fix these up for __STDC__ */
4427 #ifndef DONT_DECLARE_STD
4428 char *mktemp (char*);
4430 double atof (const char*);
4435 /* All of these are in stdlib.h or time.h for ANSI C */
4437 struct tm *gmtime(), *localtime();
4439 char *(strchr)(), *(strrchr)();
4440 char *(strcpy)(), *(strcat)();
4442 char *strchr(), *strrchr();
4443 char *strcpy(), *strcat();
4445 #endif /* ! STANDARD_C */
4451 /* isfinite and others are here rather than in math.h as C99 stipulates */
4456 double exp (double);
4457 double log (double);
4458 double log10 (double);
4459 double sqrt (double);
4460 double frexp (double,int*);
4461 double ldexp (double,int);
4462 double modf (double,double*);
4463 double sin (double);
4464 double cos (double);
4465 double atan2 (double,double);
4466 double pow (double,double);
4471 # if !defined(WIN32) && !defined(VMS)
4473 char *crypt (const char*, const char*);
4475 # endif /* !WIN32 */
4476 # ifndef DONT_DECLARE_STD
4478 char *getenv (const char*);
4479 # endif /* !getenv */
4480 # if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
4481 # ifdef _FILE_OFFSET_BITS
4482 # if _FILE_OFFSET_BITS == 64
4483 Off_t lseek (int,Off_t,int);
4487 # endif /* !DONT_DECLARE_STD */
4490 char *getlogin (void);
4492 # endif /* !WIN32 */
4493 #endif /* !__cplusplus */
4495 /* Fixme on VMS. This needs to be a run-time, not build time options */
4496 /* Also rename() is affected by this */
4497 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
4498 #define UNLINK unlnk
4499 I32 unlnk (pTHX_ const char*);
4501 #define UNLINK PerlLIO_unlink
4504 /* some versions of glibc are missing the setresuid() proto */
4505 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
4506 int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4508 /* some versions of glibc are missing the setresgid() proto */
4509 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
4510 int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4513 #ifndef HAS_SETREUID
4514 # ifdef HAS_SETRESUID
4515 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4516 # define HAS_SETREUID
4519 #ifndef HAS_SETREGID
4520 # ifdef HAS_SETRESGID
4521 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4522 # define HAS_SETREGID
4526 /* Sighandler_t defined in iperlsys.h */
4528 #ifdef HAS_SIGACTION
4529 typedef struct sigaction Sigsave_t;
4531 typedef Sighandler_t Sigsave_t;
4542 # define RUNOPS_DEFAULT Perl_runops_debug
4544 # define RUNOPS_DEFAULT Perl_runops_standard
4547 #if defined(USE_PERLIO)
4548 EXTERN_C void PerlIO_teardown(void);
4549 # ifdef USE_ITHREADS
4550 # define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4551 # define PERLIO_TERM \
4553 PerlIO_teardown(); \
4554 MUTEX_DESTROY(&PL_perlio_mutex);\
4557 # define PERLIO_INIT
4558 # define PERLIO_TERM PerlIO_teardown()
4561 # define PERLIO_INIT
4562 # define PERLIO_TERM
4566 # ifdef MUTEX_INIT_CALLS_MALLOC
4567 # define MALLOC_INIT \
4569 PL_malloc_mutex = NULL; \
4570 MUTEX_INIT(&PL_malloc_mutex); \
4572 # define MALLOC_TERM \
4574 perl_mutex tmp = PL_malloc_mutex; \
4575 PL_malloc_mutex = NULL; \
4576 MUTEX_DESTROY(&tmp); \
4579 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4580 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4583 # define MALLOC_INIT
4584 # define MALLOC_TERM
4587 #if defined(PERL_IMPLICIT_CONTEXT)
4589 struct perl_memory_debug_header;
4590 struct perl_memory_debug_header {
4592 # if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
4595 struct perl_memory_debug_header *prev;
4596 struct perl_memory_debug_header *next;
4597 # ifdef PERL_DEBUG_READONLY_COW
4602 #elif defined(PERL_DEBUG_READONLY_COW)
4604 struct perl_memory_debug_header;
4605 struct perl_memory_debug_header {
4611 #if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
4613 # define PERL_MEMORY_DEBUG_HEADER_SIZE \
4614 (sizeof(struct perl_memory_debug_header) + \
4615 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4616 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4619 # define PERL_MEMORY_DEBUG_HEADER_SIZE 0
4622 #ifdef PERL_TRACK_MEMPOOL
4623 # ifdef PERL_DEBUG_READONLY_COW
4624 # define INIT_TRACK_MEMPOOL(header, interp) \
4626 (header).interpreter = (interp); \
4627 (header).prev = (header).next = &(header); \
4628 (header).readonly = 0; \
4631 # define INIT_TRACK_MEMPOOL(header, interp) \
4633 (header).interpreter = (interp); \
4634 (header).prev = (header).next = &(header); \
4638 # define INIT_TRACK_MEMPOOL(header, interp)
4641 #ifdef I_MALLOCMALLOC
4642 /* Needed for malloc_size(), malloc_good_size() on some systems */
4643 # include <malloc/malloc.h>
4647 # define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
4649 # if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
4650 # ifdef PERL_TRACK_MEMPOOL
4651 # define Perl_safesysmalloc_size(where) \
4652 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4654 # define Perl_safesysmalloc_size(where) malloc_size(where)
4657 # ifdef HAS_MALLOC_GOOD_SIZE
4658 # ifdef PERL_TRACK_MEMPOOL
4659 # define Perl_malloc_good_size(how_much) \
4660 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4662 # define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4665 /* Having this as the identity operation makes some code simpler. */
4666 # define Perl_malloc_good_size(how_much) (how_much)
4670 typedef int (*runops_proc_t)(pTHX);
4671 typedef void (*share_proc_t) (pTHX_ SV *sv);
4672 typedef int (*thrhook_proc_t) (pTHX);
4673 typedef OP* (*PPADDR_t[]) (pTHX);
4674 typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4675 typedef void (*despatch_signals_proc_t) (pTHX);
4677 #if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4678 # include <crt_externs.h> /* for the env array */
4679 # define environ (*_NSGetEnviron())
4681 /* VMS and some other platforms don't use the environ array */
4682 # ifdef USE_ENVIRON_ARRAY
4683 # if !defined(DONT_DECLARE_STD) || \
4684 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
4686 extern char ** environ; /* environment variables supplied via exec */
4691 #define PERL_PATCHLEVEL_H_IMPLICIT
4692 #include "patchlevel.h"
4693 #undef PERL_PATCHLEVEL_H_IMPLICIT
4695 #define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4696 STRINGIFY(PERL_VERSION) "." \
4697 STRINGIFY(PERL_SUBVERSION)
4699 #define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4700 STRINGIFY(PERL_API_VERSION) "." \
4701 STRINGIFY(PERL_API_SUBVERSION)
4705 /* handy constants */
4706 EXTCONST char PL_warn_uninit[]
4707 INIT("Use of uninitialized value%s%s%s");
4708 EXTCONST char PL_warn_uninit_sv[]
4709 INIT("Use of uninitialized value%" SVf "%s%s");
4710 EXTCONST char PL_warn_nosemi[]
4711 INIT("Semicolon seems to be missing");
4712 EXTCONST char PL_warn_reserved[]
4713 INIT("Unquoted string \"%s\" may clash with future reserved word");
4714 EXTCONST char PL_warn_nl[]
4715 INIT("Unsuccessful %s on filename containing newline");
4716 EXTCONST char PL_no_wrongref[]
4717 INIT("Can't use %s ref as %s ref");
4718 /* The core no longer needs this here. If you require the string constant,
4719 please inline a copy into your own code. */
4720 EXTCONST char PL_no_symref[] __attribute__deprecated__
4721 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
4722 EXTCONST char PL_no_symref_sv[]
4723 INIT("Can't use string (\"%" SVf32 "\"%s) as %s ref while \"strict refs\" in use");
4725 EXTCONST char PL_no_usym[]
4726 INIT("Can't use an undefined value as %s reference");
4727 EXTCONST char PL_no_aelem[]
4728 INIT("Modification of non-creatable array value attempted, subscript %d");
4729 EXTCONST char PL_no_helem_sv[]
4730 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
4731 EXTCONST char PL_no_modify[]
4732 INIT("Modification of a read-only value attempted");
4733 EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
4734 INIT("Out of memory!\n");
4735 EXTCONST char PL_no_security[]
4736 INIT("Insecure dependency in %s%s");
4737 EXTCONST char PL_no_sock_func[]
4738 INIT("Unsupported socket function \"%s\" called");
4739 EXTCONST char PL_no_dir_func[]
4740 INIT("Unsupported directory function \"%s\" called");
4741 EXTCONST char PL_no_func[]
4742 INIT("The %s function is unimplemented");
4743 EXTCONST char PL_no_myglob[]
4744 INIT("\"%s\" %se %s can't be in a package");
4745 EXTCONST char PL_no_localize_ref[]
4746 INIT("Can't localize through a reference");
4747 EXTCONST char PL_memory_wrap[]
4748 INIT("panic: memory wrap");
4750 EXTCONST char PL_Yes[]
4752 EXTCONST char PL_No[]
4754 EXTCONST char PL_hexdigit[]
4755 INIT("0123456789abcdef0123456789ABCDEF");
4757 /* This is constant on most architectures, a global on OS/2 */
4759 EXTCONST char PL_sh_path[]
4760 INIT(SH_PATH); /* full path of shell */
4764 EXTCONST char PL_cshname[]
4766 # define PL_cshlen (sizeof(CSH "") - 1)
4769 /* These are baked at compile time into any shared perl library.
4770 In future releases this will allow us in main() to sanity test the
4771 library we're linking against. */
4773 EXTCONST U8 PL_revision
4774 INIT(PERL_REVISION);
4775 EXTCONST U8 PL_version
4777 EXTCONST U8 PL_subversion
4778 INIT(PERL_SUBVERSION);
4780 EXTCONST char PL_uuemap[65]
4781 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4784 EXTCONST char PL_uudmap[256] =
4786 # include "uuudmap.h"
4788 # include "uudmap.h"
4791 EXTCONST char PL_bitcount[256] =
4793 # include "ubitcount.h"
4795 # include "bitcount.h"
4798 EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4799 EXTCONST int PL_sig_num[] = { SIG_NUM };
4801 EXTCONST char PL_uudmap[256];
4802 EXTCONST char PL_bitcount[256];
4803 EXTCONST char* const PL_sig_name[];
4804 EXTCONST int PL_sig_num[];
4807 /* fast conversion and case folding tables. The folding tables complement the
4808 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4809 * folds such as outside the range or to multiple characters. */
4814 /* The EBCDIC fold table depends on the code page, and hence is found in
4817 EXTCONST unsigned char PL_fold[] = {
4818 0, 1, 2, 3, 4, 5, 6, 7,
4819 8, 9, 10, 11, 12, 13, 14, 15,
4820 16, 17, 18, 19, 20, 21, 22, 23,
4821 24, 25, 26, 27, 28, 29, 30, 31,
4822 32, 33, 34, 35, 36, 37, 38, 39,
4823 40, 41, 42, 43, 44, 45, 46, 47,
4824 48, 49, 50, 51, 52, 53, 54, 55,
4825 56, 57, 58, 59, 60, 61, 62, 63,
4826 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4827 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4828 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4829 'x', 'y', 'z', 91, 92, 93, 94, 95,
4830 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4831 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4832 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4833 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4834 128, 129, 130, 131, 132, 133, 134, 135,
4835 136, 137, 138, 139, 140, 141, 142, 143,
4836 144, 145, 146, 147, 148, 149, 150, 151,
4837 152, 153, 154, 155, 156, 157, 158, 159,
4838 160, 161, 162, 163, 164, 165, 166, 167,
4839 168, 169, 170, 171, 172, 173, 174, 175,
4840 176, 177, 178, 179, 180, 181, 182, 183,
4841 184, 185, 186, 187, 188, 189, 190, 191,
4842 192, 193, 194, 195, 196, 197, 198, 199,
4843 200, 201, 202, 203, 204, 205, 206, 207,
4844 208, 209, 210, 211, 212, 213, 214, 215,
4845 216, 217, 218, 219, 220, 221, 222, 223,
4846 224, 225, 226, 227, 228, 229, 230, 231,
4847 232, 233, 234, 235, 236, 237, 238, 239,
4848 240, 241, 242, 243, 244, 245, 246, 247,
4849 248, 249, 250, 251, 252, 253, 254, 255
4851 EXTCONST unsigned char PL_fold_latin1[] = {
4852 /* Full latin1 complement folding, except for three problematic code points:
4853 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4854 * fold complements outside the Latin1 range, so can't match something
4855 * that isn't in utf8.
4856 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4857 * not one, so can't be represented in this table.
4859 * All have to be specially handled */
4860 0, 1, 2, 3, 4, 5, 6, 7,
4861 8, 9, 10, 11, 12, 13, 14, 15,
4862 16, 17, 18, 19, 20, 21, 22, 23,
4863 24, 25, 26, 27, 28, 29, 30, 31,
4864 32, 33, 34, 35, 36, 37, 38, 39,
4865 40, 41, 42, 43, 44, 45, 46, 47,
4866 48, 49, 50, 51, 52, 53, 54, 55,
4867 56, 57, 58, 59, 60, 61, 62, 63,
4868 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4869 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4870 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4871 'x', 'y', 'z', 91, 92, 93, 94, 95,
4872 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4873 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4874 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4875 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4876 128, 129, 130, 131, 132, 133, 134, 135,
4877 136, 137, 138, 139, 140, 141, 142, 143,
4878 144, 145, 146, 147, 148, 149, 150, 151,
4879 152, 153, 154, 155, 156, 157, 158, 159,
4880 160, 161, 162, 163, 164, 165, 166, 167,
4881 168, 169, 170, 171, 172, 173, 174, 175,
4882 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4883 184, 185, 186, 187, 188, 189, 190, 191,
4884 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4885 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4886 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4887 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4888 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4889 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4890 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4891 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4892 255 /* y with diaeresis */
4895 /* If these tables are accessed through ebcdic, the access will be converted to
4897 EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4898 0, 1, 2, 3, 4, 5, 6, 7,
4899 8, 9, 10, 11, 12, 13, 14, 15,
4900 16, 17, 18, 19, 20, 21, 22, 23,
4901 24, 25, 26, 27, 28, 29, 30, 31,
4902 32, 33, 34, 35, 36, 37, 38, 39,
4903 40, 41, 42, 43, 44, 45, 46, 47,
4904 48, 49, 50, 51, 52, 53, 54, 55,
4905 56, 57, 58, 59, 60, 61, 62, 63,
4906 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4907 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4908 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4909 'x', 'y', 'z', 91, 92, 93, 94, 95,
4910 96, 97, 98, 99, 100, 101, 102, 103,
4911 104, 105, 106, 107, 108, 109, 110, 111,
4912 112, 113, 114, 115, 116, 117, 118, 119,
4913 120, 121, 122, 123, 124, 125, 126, 127,
4914 128, 129, 130, 131, 132, 133, 134, 135,
4915 136, 137, 138, 139, 140, 141, 142, 143,
4916 144, 145, 146, 147, 148, 149, 150, 151,
4917 152, 153, 154, 155, 156, 157, 158, 159,
4918 160, 161, 162, 163, 164, 165, 166, 167,
4919 168, 169, 170, 171, 172, 173, 174, 175,
4920 176, 177, 178, 179, 180, 181, 182, 183,
4921 184, 185, 186, 187, 188, 189, 190, 191,
4922 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4923 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4924 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4925 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4926 224, 225, 226, 227, 228, 229, 230, 231,
4927 232, 233, 234, 235, 236, 237, 238, 239,
4928 240, 241, 242, 243, 244, 245, 246, 247,
4929 248, 249, 250, 251, 252, 253, 254, 255
4932 /* upper and title case of latin1 characters, modified so that the three tricky
4933 * ones are mapped to 255 (which is one of the three) */
4934 EXTCONST unsigned char PL_mod_latin1_uc[] = {
4935 0, 1, 2, 3, 4, 5, 6, 7,
4936 8, 9, 10, 11, 12, 13, 14, 15,
4937 16, 17, 18, 19, 20, 21, 22, 23,
4938 24, 25, 26, 27, 28, 29, 30, 31,
4939 32, 33, 34, 35, 36, 37, 38, 39,
4940 40, 41, 42, 43, 44, 45, 46, 47,
4941 48, 49, 50, 51, 52, 53, 54, 55,
4942 56, 57, 58, 59, 60, 61, 62, 63,
4943 64, 65, 66, 67, 68, 69, 70, 71,
4944 72, 73, 74, 75, 76, 77, 78, 79,
4945 80, 81, 82, 83, 84, 85, 86, 87,
4946 88, 89, 90, 91, 92, 93, 94, 95,
4947 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4948 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4949 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4950 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4951 128, 129, 130, 131, 132, 133, 134, 135,
4952 136, 137, 138, 139, 140, 141, 142, 143,
4953 144, 145, 146, 147, 148, 149, 150, 151,
4954 152, 153, 154, 155, 156, 157, 158, 159,
4955 160, 161, 162, 163, 164, 165, 166, 167,