3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
16 * This file is being used for x2p stuff.
17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
18 * Decouple x2p stuff from some of perls more extreme eccentricities.
23 #endif /* PERL_FOR_X2P */
31 /* NOTE 1: that with gcc -std=c89 the __STDC_VERSION__ is *not* defined
32 * because the __STDC_VERSION__ became a thing only with C90. Therefore,
33 * with gcc, HAS_C99 will never become true as long as we use -std=c89.
35 * NOTE 2: headers lie. Do not expect that if HAS_C99 gets to be true,
36 * all the C99 features are there and are correct. */
37 #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
42 /* See L<perlguts/"The Perl API"> for detailed notes on
43 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
45 /* Note that from here --> to <-- the same logic is
46 * repeated in makedef.pl, so be certain to update
47 * both places when editing. */
50 # if !defined(MULTIPLICITY)
55 #ifdef PERL_GLOBAL_STRUCT_PRIVATE
56 # ifndef PERL_GLOBAL_STRUCT
57 # define PERL_GLOBAL_STRUCT
61 #ifdef PERL_GLOBAL_STRUCT
68 # ifndef PERL_IMPLICIT_CONTEXT
69 # define PERL_IMPLICIT_CONTEXT
73 /* undef WIN32 when building on Cygwin (for libwin32) - gph */
79 #if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86 # include "symbian/symbian_proto.h"
89 /* Any stack-challenged places. The limit varies (and often
90 * is configurable), but using more than a kilobyte of stack
91 * is usually dubious in these systems. */
92 #if defined(__SYMBIAN32__)
93 /* Symbian: need to work around the SDK features. *
94 * On WINS: MS VC5 generates calls to _chkstk, *
95 * if a "large" stack frame is allocated. *
96 * gcc on MARM does not generate calls like these. */
97 # define USE_HEAP_INSTEAD_OF_STACK
100 /* Use the reentrant APIs like localtime_r and getpwent_r */
101 /* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
102 #if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
103 # define USE_REENTRANT_API
106 /* <--- here ends the logic shared by perl.h and makedef.pl */
108 /* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
109 #if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
113 #undef START_EXTERN_C
117 # define START_EXTERN_C extern "C" {
118 # define END_EXTERN_C }
119 # define EXTERN_C extern "C"
121 # define START_EXTERN_C
122 # define END_EXTERN_C
123 # define EXTERN_C extern
126 /* Fallback definitions in case we don't have definitions from config.h.
127 This should only matter for systems that don't use Configure and
128 haven't been modified to define PERL_STATIC_INLINE yet.
130 #if !defined(PERL_STATIC_INLINE)
131 # ifdef HAS_STATIC_INLINE
132 # define PERL_STATIC_INLINE static inline
134 # define PERL_STATIC_INLINE static
138 #ifdef PERL_GLOBAL_STRUCT
139 # ifndef PERL_GET_VARS
140 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
141 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
142 # define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
144 # define PERL_GET_VARS() PL_VarsPtr
149 /* this used to be off by default, now its on, see perlio.h */
150 #define PERLIO_FUNCS_CONST
152 #define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
154 #ifdef PERL_GLOBAL_STRUCT
155 # define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
160 #ifdef PERL_IMPLICIT_CONTEXT
161 # ifndef MULTIPLICITY
162 # define MULTIPLICITY
164 # define tTHX PerlInterpreter*
165 # define pTHX tTHX my_perl PERL_UNUSED_DECL
166 # define aTHX my_perl
167 # define aTHXa(a) aTHX = (tTHX)a
168 # ifdef PERL_GLOBAL_STRUCT
169 # define dTHXa(a) dVAR; pTHX = (tTHX)a
171 # define dTHXa(a) pTHX = (tTHX)a
173 # ifdef PERL_GLOBAL_STRUCT
174 # define dTHX dVAR; pTHX = PERL_GET_THX
176 # define dTHX pTHX = PERL_GET_THX
190 # if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
191 # define PERL_TRACK_MEMPOOL
194 # undef PERL_TRACK_MEMPOOL
197 #define STATIC static
200 /* Do not use these macros. They were part of PERL_OBJECT, which was an
201 * implementation of multiplicity using C++ objects. They have been left
202 * here solely for the sake of XS code which has incorrectly
205 #define CPERLscope(x) x
206 #define CPERLarg void
209 #define PERL_OBJECT_THIS
210 #define _PERL_OBJECT_THIS
211 #define PERL_OBJECT_THIS_
212 #define CALL_FPTR(fptr) (*fptr)
213 #define MEMBER_TO_FPTR(name) name
214 #endif /* !PERL_CORE */
216 #define CALLRUNOPS PL_runops
218 #define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
220 #define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
221 #define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
222 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
223 (strbeg),(minend),(sv),(data),(flags))
224 #define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
225 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
226 (strend),(flags),(data))
227 #define CALLREG_INTUIT_STRING(prog) \
228 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
230 #define CALLREGFREE(prog) \
231 Perl_pregfree(aTHX_ (prog))
233 #define CALLREGFREE_PVT(prog) \
234 if(prog) RX_ENGINE(prog)->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
425 #define NOOP /*EMPTY*/(void)0
426 /* cea2e8a9dd23747f accidentally lost the comment originally from the first
427 check in of thread.h, explaining why we need dNOOP at all: */
428 /* Rats: if dTHR is just blank then the subsequent ";" throws an error */
429 /* Declaring a *function*, instead of a variable, ensures that we don't rely
430 on being able to suppress "unused" warnings. */
432 #define dNOOP (void)0
434 #define dNOOP extern int Perl___notused(void)
438 /* Don't bother defining tTHX ; using it outside
439 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
445 # define aTHXa(a) NOOP
446 # define dTHXa(a) dNOOP
464 /* these are only defined for compatibility; should not be used internally */
465 #if !defined(pTHXo) && !defined(PERL_CORE)
467 # define pTHXo_ pTHX_
469 # define aTHXo_ aTHX_
471 # define dTHXoa(x) dTHXa(x)
475 # define pTHXx PerlInterpreter *my_perl
476 # define pTHXx_ pTHXx,
477 # define aTHXx my_perl
478 # define aTHXx_ aTHXx,
482 /* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
483 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
484 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
485 #ifdef PERL_IMPLICIT_SYS
486 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
487 # define dTHXs dVAR; dTHX
492 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
499 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
500 # ifndef PERL_USE_GCC_BRACE_GROUPS
501 # define PERL_USE_GCC_BRACE_GROUPS
506 * STMT_START { statements; } STMT_END;
507 * can be used as a single statement, as in
508 * if (x) STMT_START { ... } STMT_END; else ...
510 * Trying to select a version that gives no warnings...
512 #if !(defined(STMT_START) && defined(STMT_END))
513 # ifdef PERL_USE_GCC_BRACE_GROUPS
514 # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
517 # define STMT_START do
518 # define STMT_END while (0)
522 #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
523 # define BYTEORDER 0x1234
526 /* Overall memory policy? */
531 #if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
538 * The following contortions are brought to you on behalf of all the
539 * standards, semi-standards, de facto standards, not-so-de-facto standards
540 * of the world, as well as all the other botches anyone ever thought of.
541 * The basic theory is that if we work hard enough here, the rest of the
542 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
545 /* define this once if either system, instead of cluttering up the src */
546 #if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
550 #if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
551 # define STANDARD_C 1
554 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
555 # define DONT_DECLARE_STD 1
558 #if defined(HASVOLATILE) || defined(STANDARD_C)
559 # define VOL volatile
564 /* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
565 * you get a perl without taint support, but doubtlessly with a lesser
566 * degree of support. Do not do so unless you know exactly what it means
567 * technically, have a good reason to do so, and know exactly how the
568 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
569 * a potential security risk due to flat out ignoring the security-relevant
570 * taint flags. This being said, a perl without taint support compiled in
571 * has marginal run-time performance benefits.
572 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
573 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
574 * silently ignores -t/-T instead of throwing an exception.
576 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
577 * voids your nonexistent warranty!
579 #if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
580 # define NO_TAINT_SUPPORT 1
583 /* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
584 * operations into no-ops for a very modest speed-up. Enable only if you
585 * know what you're doing: tests and CPAN modules' tests are bound to fail.
587 #ifdef NO_TAINT_SUPPORT
589 # define TAINT_NOT NOOP
590 # define TAINT_IF(c) NOOP
591 # define TAINT_ENV() NOOP
592 # define TAINT_PROPER(s) NOOP
593 # define TAINT_set(s) NOOP
595 # define TAINTING_get 0
596 # define TAINTING_set(s) NOOP
597 # define TAINT_WARN_get 0
598 # define TAINT_WARN_set(s) NOOP
600 # define TAINT (PL_tainted = TRUE)
601 # define TAINT_NOT (PL_tainted = FALSE)
602 # define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
603 # define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
604 # define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
605 # define TAINT_set(s) (PL_tainted = (s))
606 # define TAINT_get (PL_tainted)
607 # define TAINTING_get (PL_tainting)
608 # define TAINTING_set(s) (PL_tainting = (s))
609 # define TAINT_WARN_get (PL_taint_warn)
610 # define TAINT_WARN_set(s) (PL_taint_warn = (s))
613 /* flags used internally only within pp_subst and pp_substcont */
615 # define SUBST_TAINT_STR 1 /* string tainted */
616 # define SUBST_TAINT_PAT 2 /* pattern tainted */
617 # define SUBST_TAINT_REPL 4 /* replacement tainted */
618 # define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
619 # define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
622 /* XXX All process group stuff is handled in pp_sys.c. Should these
623 defines move there? If so, I could simplify this a lot. --AD 9/96.
625 /* Process group stuff changed from traditional BSD to POSIX.
626 perlfunc.pod documents the traditional BSD-style syntax, so we'll
627 try to preserve that, if possible.
630 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
632 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
633 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
635 # ifdef HAS_SETPGRP2 /* DG/UX */
636 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
640 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
641 # define HAS_SETPGRP /* Well, effectively it does . . . */
644 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
645 our life easier :-) so we'll try it.
648 # define BSD_GETPGRP(pid) getpgid((pid))
650 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
651 # define BSD_GETPGRP(pid) getpgrp((pid))
653 # ifdef HAS_GETPGRP2 /* DG/UX */
654 # define BSD_GETPGRP(pid) getpgrp2((pid))
658 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
659 # define HAS_GETPGRP /* Well, effectively it does . . . */
662 /* These are not exact synonyms, since setpgrp() and getpgrp() may
663 have different behaviors, but perl.h used to define USE_BSDPGRP
664 (prior to 5.003_05) so some extension might depend on it.
666 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
672 /* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
673 pthread.h must be included before all other header files.
675 #if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
676 # include <pthread.h>
679 #include <sys/types.h>
687 /* EVC 4 SDK headers includes a bad definition of MB_CUR_MAX in stdlib.h
688 which is included from stdarg.h. Bad definition not present in SD 2008
689 SDK headers. wince.h is not yet included, so we cant fix this from there
690 since by then MB_CUR_MAX will be defined from stdlib.h.
691 cewchar.h includes a correct definition of MB_CUR_MAX and it is copied here
692 since cewchar.h can't be included this early */
693 #if defined(UNDER_CE) && (_MSC_VER < 1300)
694 # define MB_CUR_MAX 1
700 # include <varargs.h>
710 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
722 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
724 # define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
726 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
727 && defined(HAS_STRXFRM)
728 # define USE_LOCALE_COLLATE
730 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
731 # define USE_LOCALE_CTYPE
733 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
734 # define USE_LOCALE_NUMERIC
736 # if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
737 # define USE_LOCALE_MESSAGES
739 # if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
740 # define USE_LOCALE_MONETARY
742 # if !defined(NO_LOCALE_TIME) && defined(LC_TIME)
743 # define USE_LOCALE_TIME
745 # ifndef WIN32 /* No wrapper except on Windows */
746 # define my_setlocale(a,b) setlocale(a,b)
748 #endif /* !NO_LOCALE && HAS_SETLOCALE */
750 /* Is $^ENCODING set, or are we under the encoding pragma? */
751 #define IN_ENCODING UNLIKELY(PL_encoding \
752 || (PL_lex_encoding && _get_encoding() != NULL))
757 # ifdef PARAM_NEEDS_TYPES
758 # include <sys/types.h>
760 # include <sys/param.h>
763 /* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
764 value something like 199306. This may be useful if no more-specific
765 feature test is available.
773 /* Use all the "standard" definitions? */
774 #if defined(STANDARD_C) && defined(I_STDLIB)
778 /* If this causes problems, set i_unistd=undef in the hint file. */
785 # include <sys/wait.h>
789 # undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
792 #if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
793 EXTERN_C int syscall(int, ...);
796 #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
797 EXTERN_C int usleep(unsigned int);
802 /* macros for correct constant construction */
804 # define U16_CONST(x) ((U16)x##U)
806 # define U16_CONST(x) ((U16)x##UL)
810 # define U32_CONST(x) ((U32)x##U)
812 # define U32_CONST(x) ((U32)x##UL)
817 # define U64_CONST(x) ((U64)x##U)
819 # define U64_CONST(x) ((U64)x##UL)
820 # elif QUADKIND == QUAD_IS_LONG_LONG
821 # define U64_CONST(x) ((U64)x##ULL)
822 # elif QUADKIND == QUAD_IS___INT64
823 # define U64_CONST(x) ((U64)x##UI64)
824 # else /* best guess we can make */
825 # define U64_CONST(x) ((U64)x##UL)
829 /* byte-swapping functions for big-/little-endian conversion */
830 # define _swab_16_(x) ((U16)( \
831 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
832 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
834 # define _swab_32_(x) ((U32)( \
835 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
836 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
837 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
838 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
841 # define _swab_64_(x) ((U64)( \
842 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
843 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
844 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
845 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
846 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
847 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
848 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
849 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
852 /* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
853 at least on FreeBSD. YMMV, so experiment. */
854 #ifndef PERL_ARENA_SIZE
855 #define PERL_ARENA_SIZE 4080
858 /* Maximum level of recursion */
859 #ifndef PERL_SUB_DEPTH_WARN
860 #define PERL_SUB_DEPTH_WARN 100
863 #endif /* PERL_CORE */
865 /* We no longer default to creating a new SV for GvSV.
866 Do this before embed. */
867 #ifndef PERL_CREATE_GVSV
868 # ifndef PERL_DONT_CREATE_GVSV
869 # define PERL_DONT_CREATE_GVSV
873 #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
874 #define PERL_USES_PL_PIDSTATUS
877 #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
878 #define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
881 #define MEM_SIZE Size_t
883 /* Round all values passed to malloc up, by default to a multiple of
886 #ifndef PERL_STRLEN_ROUNDUP_QUANTUM
887 #define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
890 /* sv_grow() will expand strings by at least a certain percentage of
891 the previously *used* length to avoid excessive calls to realloc().
892 The default is 25% of the current length.
894 #ifndef PERL_STRLEN_EXPAND_SHIFT
895 # define PERL_STRLEN_EXPAND_SHIFT 2
898 #if defined(STANDARD_C) && defined(I_STDDEF) && !defined(PERL_GCC_PEDANTIC)
900 # define STRUCT_OFFSET(s,m) offsetof(s,m)
902 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
905 /* ptrdiff_t is C11, so undef it under pedantic builds */
906 #ifdef PERL_GCC_PEDANTIC
907 # undef HAS_PTRDIFF_T
910 #ifndef __SYMBIAN32__
911 # if defined(I_STRING) || defined(__cplusplus)
914 # include <strings.h>
918 /* This comes after <stdlib.h> so we don't try to change the standard
919 * library prototypes; we'll use our own in proto.h instead. */
922 # ifdef PERL_POLLUTE_MALLOC
923 # ifndef PERL_EXTMALLOC_DEF
924 # define Perl_malloc malloc
925 # define Perl_calloc calloc
926 # define Perl_realloc realloc
927 # define Perl_mfree free
930 # define EMBEDMYMALLOC /* for compatibility */
933 # define safemalloc Perl_malloc
934 # define safecalloc Perl_calloc
935 # define saferealloc Perl_realloc
936 # define safefree Perl_mfree
937 # define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
938 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
941 # define CHECK_MALLOC_TOO_LATE_FOR(ch) \
942 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
943 # define panic_write2(s) write(2, s, strlen(s))
944 # define CHECK_MALLOC_TAINT(newval) \
945 CHECK_MALLOC_TOO_LATE_FOR_( \
947 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
949 # define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
950 if (doing_taint(argc,argv,env)) { \
951 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
954 # define safemalloc safesysmalloc
955 # define safecalloc safesyscalloc
956 # define saferealloc safesysrealloc
957 # define safefree safesysfree
958 # define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
959 # define CHECK_MALLOC_TAINT(newval) ((void)0)
960 # define MALLOC_CHECK_TAINT(argc,argv,env)
961 #endif /* MYMALLOC */
963 /* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
964 #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)
965 #define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
966 #define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
967 #define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
969 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
971 #define strrchr rindex
979 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
981 extern char * memcpy (char*, char*, int);
987 # define memcpy(d,s,l) bcopy(s,d,l)
989 # define memcpy(d,s,l) my_bcopy(s,d,l)
992 #endif /* HAS_MEMCPY */
995 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
997 extern char *memset (char*, int, int);
1002 # define memset(d,c,l) my_memset(d,c,l)
1003 #endif /* HAS_MEMSET */
1005 #if !defined(HAS_MEMMOVE) && !defined(memmove)
1006 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
1007 # define memmove(d,s,l) bcopy(s,d,l)
1009 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
1010 # define memmove(d,s,l) memcpy(d,s,l)
1012 # define memmove(d,s,l) my_bcopy(s,d,l)
1017 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
1021 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
1022 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
1024 extern int memcmp (char*, char*, int);
1029 # define memcmp my_memcmp
1031 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
1035 # define memzero(d,l) memset(d,0,l)
1038 # define memzero(d,l) bzero(d,l)
1040 # define memzero(d,l) my_bzero(d,l)
1048 # define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1055 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
1057 #endif /* !HAS_BCMP */
1060 # include <netinet/in.h>
1064 # include <arpa/inet.h>
1068 # include <sys/stat.h>
1071 /* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1072 This definition should ideally go into win32/win32.h, but S_IFIFO is
1073 used later here in perl.h before win32/win32.h is being included. */
1074 #if !defined(S_IFIFO) && defined(_S_IFIFO)
1075 # define S_IFIFO _S_IFIFO
1078 /* The stat macros for Unisoft System V/88 (and derivatives
1079 like UTekV) are broken, sometimes giving false positives. Undefine
1080 them here and let the code below set them to proper values.
1082 The ghs macro stands for GreenHills Software C-1.8.5 which
1083 is the C compiler for sysV88 and the various derivatives.
1084 This header file bug is corrected in gcc-2.5.8 and later versions.
1085 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1087 #if defined(m88k) && defined(ghs)
1101 # ifdef I_SYS_TIME_KERNEL
1104 # include <sys/time.h>
1105 # ifdef I_SYS_TIME_KERNEL
1110 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
1111 # include <sys/times.h>
1114 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
1115 # undef HAS_STRERROR
1120 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
1121 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1124 #if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1125 # include <sys/socket.h>
1126 # if defined(USE_SOCKS) && defined(I_SOCKS)
1127 # if !defined(INCLUDE_PROTOTYPES)
1128 # define INCLUDE_PROTOTYPES /* for <socks.h> */
1129 # define PERL_SOCKS_NEED_PROTOTYPES
1132 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1133 # undef INCLUDE_PROTOTYPES
1134 # undef PERL_SOCKS_NEED_PROTOTYPES
1145 # include <net/errno.h>
1150 /* sockatmark() is so new (2001) that many places might have it hidden
1151 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1152 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
1153 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
1154 # if defined(__THROW) && defined(__GLIBC__)
1155 int sockatmark(int) __THROW;
1157 int sockatmark(int);
1161 #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. */
1162 EXTERN_C int fchdir(int);
1163 EXTERN_C int flock(int, int);
1164 EXTERN_C int fseeko(FILE *, off_t, int);
1165 EXTERN_C off_t ftello(FILE *);
1168 #if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1169 EXTERN_C char *crypt(const char *, const char *);
1170 EXTERN_C char **environ;
1173 #if defined(__cplusplus)
1174 # if defined(BSDish)
1175 EXTERN_C char **environ;
1176 # elif defined(__CYGWIN__)
1177 EXTERN_C char *crypt(const char *, const char *);
1182 # undef SETERRNO /* SOCKS might have defined this */
1186 # define SETERRNO(errcode,vmserrcode) \
1188 set_errno(errcode); \
1189 set_vaxc_errno(vmserrcode); \
1191 # define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1192 # define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1193 # define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1194 # define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1196 # define LIB_INVARG LIB$_INVARG
1197 # define RMS_DIR RMS$_DIR
1198 # define RMS_FAC RMS$_FAC
1199 # define RMS_FEX RMS$_FEX
1200 # define RMS_FNF RMS$_FNF
1201 # define RMS_IFI RMS$_IFI
1202 # define RMS_ISI RMS$_ISI
1203 # define RMS_PRV RMS$_PRV
1204 # define SS_ACCVIO SS$_ACCVIO
1205 # define SS_DEVOFFLINE SS$_DEVOFFLINE
1206 # define SS_IVCHAN SS$_IVCHAN
1207 # define SS_NORMAL SS$_NORMAL
1208 # define SS_NOPRIV SS$_NOPRIV
1209 # define SS_BUFFEROVF SS$_BUFFEROVF
1211 # define LIB_INVARG 0
1219 # define SS_ACCVIO 0
1220 # define SS_DEVOFFLINE 0
1221 # define SS_IVCHAN 0
1222 # define SS_NORMAL 0
1223 # define SS_NOPRIV 0
1224 # define SS_BUFFEROVF 0
1228 # define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1229 # define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1230 # define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1231 # define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1235 # define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1236 # define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1237 # define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1238 # define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1242 # define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1246 # define dSAVEDERRNO int saved_errno
1247 # define dSAVE_ERRNO int saved_errno = errno
1248 # define SAVE_ERRNO (saved_errno = errno)
1249 # define RESTORE_ERRNO (errno = saved_errno)
1252 #define ERRSV GvSVn(PL_errgv)
1254 /* contains inlined gv_add_by_type */
1255 #define CLEAR_ERRSV() STMT_START { \
1256 SV ** const svp = &GvSV(PL_errgv); \
1258 goto clresv_newemptypv; \
1259 } else if (SvREADONLY(*svp)) { \
1260 SvREFCNT_dec_NN(*svp); \
1261 clresv_newemptypv: \
1262 *svp = newSVpvs(""); \
1264 SV *const errsv = *svp; \
1265 sv_setpvs(errsv, ""); \
1266 SvPOK_only(errsv); \
1267 if (SvMAGICAL(errsv)) { \
1275 # define DEFSV (0 + GvSVn(PL_defgv))
1276 # define DEFSV_set(sv) \
1277 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1278 # define SAVE_DEFSV \
1280 save_gp(PL_defgv, 0), \
1281 GvINTRO_off(PL_defgv), \
1282 SAVEGENERICSV(GvSV(PL_defgv)), \
1283 GvSV(PL_defgv) = NULL \
1286 # define DEFSV GvSVn(PL_defgv)
1287 # define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1288 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
1292 extern int errno; /* ANSI allows errno to be an lvalue expr.
1293 * For example in multithreaded environments
1294 * something like this might happen:
1295 * extern int *_errno(void);
1296 * #define errno (*_errno()) */
1299 #define UNKNOWN_ERRNO_MSG "(unknown)"
1302 # ifndef DONT_DECLARE_STD
1304 char *strerror (int,...);
1306 char *strerror (int);
1310 # define Strerror strerror
1313 # ifdef HAS_SYS_ERRLIST
1314 extern int sys_nerr;
1315 extern char *sys_errlist[];
1317 # define Strerror(e) \
1318 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
1325 # include <sys/ioctl.h>
1329 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
1330 # ifdef HAS_SOCKETPAIR
1331 # undef HAS_SOCKETPAIR
1338 #ifndef HAS_SOCKETPAIR
1340 # define socketpair Perl_my_socketpair
1345 # define htoni htons
1346 # define ntohi ntohs
1348 # define htoni htonl
1349 # define ntohi ntohl
1352 /* Configure already sets Direntry_t */
1353 #if defined(I_DIRENT)
1354 # include <dirent.h>
1357 # include <sys/ndir.h>
1361 # include <ndir.h> /* may be wrong in the future */
1363 # include <sys/dir.h>
1370 * The following gobbledygook brought to you on behalf of __STDC__.
1371 * (I could just use #ifndef __STDC__, but this is more bulletproof
1372 * in the face of half-implementations.)
1375 #if defined(I_SYSMODE)
1376 #include <sys/mode.h>
1381 # define S_IFMT _S_IFMT
1383 # define S_IFMT 0170000
1388 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1392 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1397 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1399 # define S_ISBLK(m) (0)
1404 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1409 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1411 # define S_ISFIFO(m) (0)
1417 # define S_ISLNK(m) _S_ISLNK(m)
1420 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1423 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1425 # define S_ISLNK(m) (0)
1433 # define S_ISSOCK(m) _S_ISSOCK(m)
1436 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1439 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1441 # define S_ISSOCK(m) (0)
1449 # define S_IRUSR S_IREAD
1450 # define S_IWUSR S_IWRITE
1451 # define S_IXUSR S_IEXEC
1453 # define S_IRUSR 0400
1454 # define S_IWUSR 0200
1455 # define S_IXUSR 0100
1461 # define S_IRGRP (S_IRUSR>>3)
1462 # define S_IWGRP (S_IWUSR>>3)
1463 # define S_IXGRP (S_IXUSR>>3)
1465 # define S_IRGRP 0040
1466 # define S_IWGRP 0020
1467 # define S_IXGRP 0010
1473 # define S_IROTH (S_IRUSR>>6)
1474 # define S_IWOTH (S_IWUSR>>6)
1475 # define S_IXOTH (S_IXUSR>>6)
1477 # define S_IROTH 0040
1478 # define S_IWOTH 0020
1479 # define S_IXOTH 0010
1484 # define S_ISUID 04000
1488 # define S_ISGID 02000
1492 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
1496 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
1500 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
1503 /* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1504 * which would get included through <sys/file.h >, but that is 3000
1505 * lines in the future. --jhi */
1507 #if !defined(S_IREAD) && !defined(__HAIKU__)
1508 # define S_IREAD S_IRUSR
1511 #if !defined(S_IWRITE) && !defined(__HAIKU__)
1512 # define S_IWRITE S_IWUSR
1516 # define S_IEXEC S_IXUSR
1519 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
1520 # define SLOPPYDIVIDE
1527 /* For the times when you want the return value of sprintf, and you want it
1528 to be the length. Can't have a thread variable passed in, because C89 has
1531 #ifdef SPRINTF_RETURNS_STRLEN
1532 # define my_sprintf sprintf
1534 # define my_sprintf Perl_my_sprintf
1538 * If we have v?snprintf() and the C99 variadic macros, we can just
1539 * use just the v?snprintf(). It is nice to try to trap the buffer
1540 * overflow, however, so if we are DEBUGGING, and we cannot use the
1541 * gcc statement expressions, then use the function wrappers which try
1542 * to trap the overflow. If we can use the gcc statement expressions,
1543 * we can try that even with the version that uses the C99 variadic
1547 /* Note that we do not check against snprintf()/vsnprintf() returning
1548 * negative values because that is non-standard behaviour and we use
1549 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1550 * that should be true only if the snprintf()/vsnprintf() are true
1551 * to the standard. */
1553 #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
1556 # define my_snprintf Perl_my_snprintf
1557 # define PERL_MY_SNPRINTF_GUARDED
1559 #if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1560 # ifdef PERL_USE_GCC_BRACE_GROUPS
1561 # define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1562 # define PERL_MY_SNPRINTF_GUARDED
1564 # define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
1567 # define my_snprintf Perl_my_snprintf
1568 # define PERL_MY_SNPRINTF_GUARDED
1572 /* There is no quadmath_vsnprintf, and therefore my_vsnprintf()
1573 * dies if called under USE_QUADMATH. */
1574 #if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1575 # ifdef PERL_USE_GCC_BRACE_GROUPS
1576 # define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1577 # define PERL_MY_VSNPRINTF_GUARDED
1579 # define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
1582 # define my_vsnprintf Perl_my_vsnprintf
1583 # define PERL_MY_VSNPRINTF_GUARDED
1586 /* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1587 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1588 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1589 * completely ignore it: otherwise you cannot know whether your output
1592 * int len = my_sprintf(buf, max, ...);
1593 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1595 * The trick is that in certain platforms [a] the my_sprintf() already
1596 * contains the sanity check, while in certain platforms [b] it needs
1597 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1598 * platforms the POST_GUARD actually does nothing since the check has
1599 * already been done. Watch out for the max being the same in both calls.
1601 * If you actually use the snprintf/vsnprintf return value already,
1602 * you assumedly are checking its validity somehow. But you can
1603 * insert the POST_GUARD() also in that case. */
1605 #ifndef PERL_MY_SNPRINTF_GUARDED
1606 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1608 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1611 #ifndef PERL_MY_VSNPRINTF_GUARDED
1612 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1614 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1618 # define my_strlcat strlcat
1620 # define my_strlcat Perl_my_strlcat
1624 # define my_strlcpy strlcpy
1626 # define my_strlcpy Perl_my_strlcpy
1630 The IV type is supposed to be long enough to hold any integral
1632 --Andy Dougherty August 1996
1638 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
1639 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
1640 # define IV_MAX INT64_MAX
1641 # define IV_MIN INT64_MIN
1642 # define UV_MAX UINT64_MAX
1644 # define UINT64_MIN 0
1646 # define UV_MIN UINT64_MIN
1648 # define IV_MAX PERL_QUAD_MAX
1649 # define IV_MIN PERL_QUAD_MIN
1650 # define UV_MAX PERL_UQUAD_MAX
1651 # define UV_MIN PERL_UQUAD_MIN
1656 # if defined(INT32_MAX) && IVSIZE == 4
1657 # define IV_MAX INT32_MAX
1658 # define IV_MIN INT32_MIN
1659 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1660 # define UV_MAX UINT32_MAX
1662 # define UV_MAX 4294967295U
1665 # define UINT32_MIN 0
1667 # define UV_MIN UINT32_MIN
1669 # define IV_MAX PERL_LONG_MAX
1670 # define IV_MIN PERL_LONG_MIN
1671 # define UV_MAX PERL_ULONG_MAX
1672 # define UV_MIN PERL_ULONG_MIN
1683 #if !defined(PERL_CORE) || defined(USING_MSVC6)
1684 /* We think that removing this decade-old undef this will cause too much
1685 breakage on CPAN for too little gain. (See RT #119753)
1686 However, we do need HAS_QUAD in the core for use by the drand48 code,
1687 but not for Win32 VC6 because it has poor __int64 support. */
1693 #define Size_t_MAX (~(Size_t)0)
1694 #define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1)
1696 #define IV_DIG (BIT_DIGITS(IVSIZE * 8))
1697 #define UV_DIG (BIT_DIGITS(UVSIZE * 8))
1699 #ifndef NO_PERL_PRESERVE_IVUV
1700 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
1704 * The macros INT2PTR and NUM2PTR are (despite their names)
1705 * bi-directional: they will convert int/float to or from pointers.
1706 * However the conversion to int/float are named explicitly:
1707 * PTR2IV, PTR2UV, PTR2NV.
1709 * For int conversions we do not need two casts if pointers are
1710 * the same size as IV and UV. Otherwise we need an explicit
1711 * cast (PTRV) to avoid compiler warnings.
1713 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1715 # define INT2PTR(any,d) (any)(d)
1717 # if PTRSIZE == LONGSIZE
1718 # define PTRV unsigned long
1719 # define PTR2ul(p) (unsigned long)(p)
1721 # define PTRV unsigned
1726 # define INT2PTR(any,d) (any)(PTRV)(d)
1730 # define PTR2ul(p) INT2PTR(unsigned long,p)
1733 #define NUM2PTR(any,d) (any)(PTRV)(d)
1734 #define PTR2IV(p) INT2PTR(IV,p)
1735 #define PTR2UV(p) INT2PTR(UV,p)
1736 #define PTR2NV(p) NUM2PTR(NV,p)
1737 #define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
1739 /* According to strict ANSI C89 one cannot freely cast between
1740 * data pointers and function (code) pointers. There are at least
1741 * two ways around this. One (used below) is to do two casts,
1742 * first the other pointer to an (unsigned) integer, and then
1743 * the integer to the other pointer. The other way would be
1744 * to use unions to "overlay" the pointers. For an example of
1745 * the latter technique, see union dirpu in struct xpvio in sv.h.
1746 * The only feasible use is probably temporarily storing
1747 * function pointers in a data pointer (such as a void pointer). */
1749 #define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1750 #define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
1752 #ifdef USE_LONG_DOUBLE
1753 # if LONG_DOUBLESIZE == DOUBLESIZE
1754 # define LONG_DOUBLE_EQUALS_DOUBLE
1755 # undef USE_LONG_DOUBLE /* Ouch! */
1760 /* Use an overridden DBL_DIG */
1764 # define DBL_DIG OVR_DBL_DIG
1766 /* The following is all to get DBL_DIG, in order to pick a nice
1767 default value for printing floating point numbers in Gconvert
1768 (see config.h). (It also has other uses, such as figuring out if
1769 a given precision of printing can be done with a double instead of
1770 a long double - Allen).
1779 #define DBL_DIG 15 /* A guess that works lots of places */
1784 /* Use an overridden LDBL_DIG */
1788 # define LDBL_DIG OVR_LDBL_DIG
1790 /* The following is all to get LDBL_DIG, in order to pick a nice
1791 default value for printing floating point numbers in Gconvert.
1795 # include <limits.h>
1800 # ifndef HAS_LDBL_DIG
1801 # if LONG_DOUBLESIZE == 10
1802 # define LDBL_DIG 18 /* assume IEEE */
1804 # if LONG_DOUBLESIZE == 12
1805 # define LDBL_DIG 18 /* gcc? */
1807 # if LONG_DOUBLESIZE == 16
1808 # define LDBL_DIG 33 /* assume IEEE */
1810 # if LONG_DOUBLESIZE == DOUBLESIZE
1811 # define LDBL_DIG DBL_DIG /* bummer */
1820 * This is for making sure we have a good DBL_MAX value, if possible,
1821 * either for usage as NV_MAX or for usage in figuring out if we can
1822 * fit a given long double into a double, if bug-fixing makes it
1823 * necessary to do so. - Allen <allens@cpan.org>
1827 # include <limits.h>
1831 # if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1832 # include <values.h>
1833 # if defined(MAXDOUBLE) && !defined(DBL_MAX)
1834 # define DBL_MAX MAXDOUBLE
1836 # if defined(MINDOUBLE) && !defined(DBL_MIN)
1837 # define DBL_MIN MINDOUBLE
1840 #endif /* defined(I_VALUES) */
1845 # include <ieeefp.h>
1849 /* VC6 has broken NaN semantics: NaN == NaN returns true instead of false,
1850 * and for example NaN < IV_MIN. */
1851 # define NAN_COMPARE_BROKEN
1853 #if defined(__DECC) && defined(__osf__)
1854 /* Also Tru64 cc has broken NaN comparisons. */
1855 # define NAN_COMPARE_BROKEN
1858 #ifdef USE_LONG_DOUBLE
1860 # include <sunmath.h>
1862 # if defined(LDBL_DIG)
1863 # define NV_DIG LDBL_DIG
1864 # ifdef LDBL_MANT_DIG
1865 # define NV_MANT_DIG LDBL_MANT_DIG
1868 # define NV_MIN LDBL_MIN
1871 # define NV_MAX LDBL_MAX
1873 # ifdef LDBL_MIN_EXP
1874 # define NV_MIN_EXP LDBL_MIN_EXP
1876 # ifdef LDBL_MAX_EXP
1877 # define NV_MAX_EXP LDBL_MAX_EXP
1879 # ifdef LDBL_MIN_10_EXP
1880 # define NV_MIN_10_EXP LDBL_MIN_10_EXP
1882 # ifdef LDBL_MAX_10_EXP
1883 # define NV_MAX_10_EXP LDBL_MAX_10_EXP
1885 # ifdef LDBL_EPSILON
1886 # define NV_EPSILON LDBL_EPSILON
1889 # define NV_MAX LDBL_MAX
1890 /* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
1893 # define NV_MAX HUGE_VALL
1897 # if defined(HAS_SQRTL)
1898 # define Perl_acos acosl
1899 # define Perl_asin asinl
1900 # define Perl_atan atanl
1901 # define Perl_atan2 atan2l
1902 # define Perl_ceil ceill
1903 # define Perl_cos cosl
1904 # define Perl_cosh coshl
1905 # define Perl_exp expl
1906 /* no Perl_fabs, but there's PERL_ABS */
1907 # define Perl_floor floorl
1908 # define Perl_fmod fmodl
1909 # define Perl_log logl
1910 # define Perl_log10 log10l
1911 # define Perl_pow powl
1912 # define Perl_sin sinl
1913 # define Perl_sinh sinhl
1914 # define Perl_sqrt sqrtl
1915 # define Perl_tan tanl
1916 # define Perl_tanh tanhl
1918 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1921 # define Perl_modf(x,y) modfl(x,y)
1922 /* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1923 prototype in <math.h> */
1924 # ifndef HAS_MODFL_PROTO
1925 EXTERN_C long double modfl(long double, long double *);
1927 # elif (defined(HAS_TRUNCL) || defined(HAS_AINTL)) && defined(HAS_COPYSIGNL)
1928 extern long double Perl_my_modfl(long double x, long double *ip);
1929 # define Perl_modf(x,y) Perl_my_modfl(x,y)
1934 # define Perl_frexp(x,y) frexpl(x,y)
1936 # if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1937 extern long double Perl_my_frexpl(long double x, int *e);
1938 # define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1944 # define Perl_ldexp(x, y) ldexpl(x,y)
1946 # if defined(HAS_SCALBNL) && FLT_RADIX == 2
1947 # define Perl_ldexp(x,y) scalbnl(x,y)
1952 # if defined(HAS_ISNANL) && !(defined(isnan) && defined(HAS_C99))
1953 # define Perl_isnan(x) isnanl(x)
1957 # if defined(HAS_ISINFL) && !(defined(isinf) && defined(HAS_C99))
1958 # define Perl_isinf(x) isinfl(x)
1959 # elif defined(LDBL_MAX) && !defined(NAN_COMPARE_BROKEN)
1960 # define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX)
1963 # ifndef Perl_isfinite
1964 # define Perl_isfinite(x) Perl_isfinitel(x)
1966 #elif defined(USE_QUADMATH) && defined(I_QUADMATH)
1967 # include <quadmath.h>
1968 # define NV_DIG FLT128_DIG
1969 # define NV_MANT_DIG FLT128_MANT_DIG
1970 # define NV_MIN FLT128_MIN
1971 # define NV_MAX FLT128_MAX
1972 # define NV_MIN_EXP FLT128_MIN_EXP
1973 # define NV_MAX_EXP FLT128_MAX_EXP
1974 # define NV_EPSILON FLT128_EPSILON
1975 # define NV_MIN_10_EXP FLT128_MIN_10_EXP
1976 # define NV_MAX_10_EXP FLT128_MAX_10_EXP
1977 # define NV_INF HUGE_VALQ
1978 # define NV_NAN nanq("0")
1979 # define Perl_acos acosq
1980 # define Perl_asin asinq
1981 # define Perl_atan atanq
1982 # define Perl_atan2 atan2q
1983 # define Perl_ceil ceilq
1984 # define Perl_cos cosq
1985 # define Perl_cosh coshq
1986 # define Perl_exp expq
1987 /* no Perl_fabs, but there's PERL_ABS */
1988 # define Perl_floor floorq
1989 # define Perl_fmod fmodq
1990 # define Perl_log logq
1991 # define Perl_log10 log10q
1992 # define Perl_pow powq
1993 # define Perl_sin sinq
1994 # define Perl_sinh sinhq
1995 # define Perl_sqrt sqrtq
1996 # define Perl_tan tanq
1997 # define Perl_tanh tanhq
1998 # define Perl_modf(x,y) modfq(x,y)
1999 # define Perl_frexp(x,y) frexpq(x,y)
2000 # define Perl_ldexp(x, y) ldexpq(x,y)
2001 # define Perl_isinf(x) isinfq(x)
2002 # define Perl_isnan(x) isnanq(x)
2003 # define Perl_isfinite(x) !(isnanq(x) || isinfq(x))
2005 # define NV_DIG DBL_DIG
2006 # ifdef DBL_MANT_DIG
2007 # define NV_MANT_DIG DBL_MANT_DIG
2010 # define NV_MIN DBL_MIN
2013 # define NV_MAX DBL_MAX
2016 # define NV_MIN_EXP DBL_MIN_EXP
2019 # define NV_MAX_EXP DBL_MAX_EXP
2021 # ifdef DBL_MIN_10_EXP
2022 # define NV_MIN_10_EXP DBL_MIN_10_EXP
2024 # ifdef DBL_MAX_10_EXP
2025 # define NV_MAX_10_EXP DBL_MAX_10_EXP
2028 # define NV_EPSILON DBL_EPSILON
2030 # ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
2031 # define NV_MAX DBL_MAX
2032 # define NV_MIN DBL_MIN
2035 # define NV_MAX HUGE_VAL
2039 /* These math interfaces are C89. */
2040 # define Perl_acos acos
2041 # define Perl_asin asin
2042 # define Perl_atan atan
2043 # define Perl_atan2 atan2
2044 # define Perl_ceil ceil
2045 # define Perl_cos cos
2046 # define Perl_cosh cosh
2047 # define Perl_exp exp
2048 /* no Perl_fabs, but there's PERL_ABS */
2049 # define Perl_floor floor
2050 # define Perl_fmod fmod
2051 # define Perl_log log
2052 # define Perl_log10 log10
2053 # define Perl_pow pow
2054 # define Perl_sin sin
2055 # define Perl_sinh sinh
2056 # define Perl_sqrt sqrt
2057 # define Perl_tan tan
2058 # define Perl_tanh tanh
2060 # define Perl_modf(x,y) modf(x,y)
2061 # define Perl_frexp(x,y) frexp(x,y)
2062 # define Perl_ldexp(x,y) ldexp(x,y)
2066 # define Perl_isnan(x) isnan(x)
2070 # if defined(HAS_ISINF)
2071 # define Perl_isinf(x) isinf(x)
2072 # elif defined(DBL_MAX) && !defined(NAN_COMPARE_BROKEN)
2073 # define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX)
2076 # ifndef Perl_isfinite
2077 # ifdef HAS_ISFINITE
2078 # define Perl_isfinite(x) isfinite(x)
2079 # elif defined(HAS_FINITE)
2080 # define Perl_isfinite(x) finite(x)
2085 /* fpclassify(): C99. It is supposed to be a macro that switches on
2086 * the sizeof() of its argument, so there's no need for e.g. fpclassifyl().*/
2087 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2089 # if defined(FP_INFINITE) && defined(FP_NAN)
2090 # define Perl_fp_class(x) fpclassify(x)
2091 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2092 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2093 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2094 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2095 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2096 # elif defined(FP_PLUS_INF) && defined(FP_QNAN)
2097 /* Some versions of HP-UX (10.20) have (only) fpclassify() but which is
2098 * actually not the C99 fpclassify, with its own set of return defines. */
2099 # define Perl_fp_class(x) fpclassify(x)
2100 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2101 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2102 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2103 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2104 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2105 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2106 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2107 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2108 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2109 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2111 # undef Perl_fp_class /* Unknown set of defines */
2115 /* fp_classify(): Legacy: VMS, maybe Unicos? The values, however,
2116 * are identical to the C99 fpclassify(). */
2117 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASSIFY)
2120 /* FP_INFINITE and others are here rather than in math.h as C99 stipulates */
2122 /* oh, and the isnormal macro has a typo in it! */
2124 # define isnormal(x) Perl_fp_class_norm(x)
2126 # if defined(FP_INFINITE) && defined(FP_NAN)
2127 # define Perl_fp_class(x) fp_classify(x)
2128 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2129 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2130 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2131 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2132 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2134 # undef Perl_fp_class /* Unknown set of defines */
2138 /* Feel free to check with me for the SGI manpages, SGI testing,
2139 * etcetera, if you want to try getting this to work with IRIX.
2141 * - Allen <allens@cpan.org> */
2143 /* fpclass(): SysV, at least Solaris and some versions of IRIX. */
2144 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2145 /* Solaris and IRIX have fpclass/fpclassl, but they are using
2146 * an enum typedef, not cpp symbols, and Configure doesn't detect that.
2147 * Define some symbols also as cpp symbols so we can detect them. */
2148 # if defined(__sun) || defined(__irix__) /* XXX Configure test instead */
2149 # define FP_PINF FP_PINF
2150 # define FP_QNAN FP_QNAN
2154 # include <ieeefp.h>
2159 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2160 # define Perl_fp_class(x) fpclassl(x)
2162 # define Perl_fp_class(x) fpclass(x)
2164 # if defined(FP_CLASS_PINF) && defined(FP_CLASS_SNAN)
2165 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2166 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2167 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2168 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2169 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2170 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2171 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2172 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2173 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2174 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2175 # elif defined(FP_PINF) && defined(FP_QNAN)
2176 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2177 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2178 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NINF)
2179 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PINF)
2180 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NNORM)
2181 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PNORM)
2182 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NDENORM)
2183 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PDENORM)
2184 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NZERO)
2185 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PZERO)
2187 # undef Perl_fp_class /* Unknown set of defines */
2191 /* fp_class(): Legacy: at least Tru64, some versions of IRIX. */
2192 #if !defined(Perl_fp_class) && (defined(HAS_FP_CLASS)||defined(HAS_FP_CLASSL))
2194 # if !defined(FP_SNAN) && defined(I_FP_CLASS)
2195 # include <fp_class.h>
2197 # if defined(FP_POS_INF) && defined(FP_QNAN)
2198 # ifdef __irix__ /* XXX Configure test instead */
2199 # ifdef USE_LONG_DOUBLE
2200 # define Perl_fp_class(x) fp_class_l(x)
2202 # define Perl_fp_class(x) fp_class_d(x)
2205 # if defined(USE_LONG_DOUBLE) && defined(HAS_FP_CLASSL)
2206 # define Perl_fp_class(x) fp_classl(x)
2208 # define Perl_fp_class(x) fp_class(x)
2211 # if defined(FP_POS_INF) && defined(FP_QNAN)
2212 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2213 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2214 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NEG_INF)
2215 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_POS_INF)
2216 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NEG_NORM)
2217 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_POS_NORM)
2218 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NEG_DENORM)
2219 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_POS_DENORM)
2220 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NEG_ZERO)
2221 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_POS_ZERO)
2223 # undef Perl_fp_class /* Unknown set of defines */
2228 /* class(), _class(): Legacy: AIX. */
2229 #if !defined(Perl_fp_class) && defined(HAS_CLASS)
2231 # if defined(FP_PLUS_NORM) && defined(FP_PLUS_INF)
2233 # define Perl_fp_class(x) class(x)
2235 # define Perl_fp_class(x) _class(x)
2237 # if defined(FP_PLUS_INF) && defined(FP_NANQ)
2238 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2239 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2240 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2241 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2242 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2243 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2244 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2245 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2246 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2247 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2249 # undef Perl_fp_class /* Unknown set of defines */
2254 /* Win32: _fpclass(), _isnan(), _finite(). */
2257 # define Perl_isnan(x) _isnan(x)
2259 # ifndef Perl_isfinite
2260 # define Perl_isfinite(x) _finite(x)
2262 # ifndef Perl_fp_class_snan
2263 /* No simple way to #define Perl_fp_class because _fpclass()
2264 * returns a set of bits. */
2265 # define Perl_fp_class_snan(x) (_fpclass(x) & _FPCLASS_SNAN)
2266 # define Perl_fp_class_qnan(x) (_fpclass(x) & _FPCLASS_QNAN)
2267 # define Perl_fp_class_nan(x) (_fpclass(x) & (_FPCLASS_SNAN|_FPCLASS_QNAN))
2268 # define Perl_fp_class_ninf(x) (_fpclass(x) & _FPCLASS_NINF))
2269 # define Perl_fp_class_pinf(x) (_fpclass(x) & _FPCLASS_PINF))
2270 # define Perl_fp_class_inf(x) (_fpclass(x) & (_FPCLASS_NINF|_FPCLASS_PINF))
2271 # define Perl_fp_class_nnorm(x) (_fpclass(x) & _FPCLASS_NN)
2272 # define Perl_fp_class_pnorm(x) (_fpclass(x) & _FPCLASS_PN)
2273 # define Perl_fp_class_norm(x) (_fpclass(x) & (_FPCLASS_NN|_FPCLASS_PN))
2274 # define Perl_fp_class_ndenorm(x) (_fpclass(x) & _FPCLASS_ND)
2275 # define Perl_fp_class_pdenorm(x) (_fpclass(x) & _FPCLASS_PD)
2276 # define Perl_fp_class_denorm(x) (_fpclass(x) & (_FPCLASS_ND|_FPCLASS_PD))
2277 # define Perl_fp_class_nzero(x) (_fpclass(x) & _FPCLASS_NZ)
2278 # define Perl_fp_class_pzero(x) (_fpclass(x) & _FPCLASS_PZ)
2279 # define Perl_fp_class_zero(x) (_fpclass(x) & (_FPCLASS_NZ|_FPCLASS_PZ))
2283 #if !defined(Perl_fp_class_inf) && \
2284 defined(Perl_fp_class_pinf) && defined(Perl_fp_class_ninf)
2285 # define Perl_fp_class_inf(x) \
2286 (Perl_fp_class_pinf(x) || Perl_fp_class_ninf(x))
2289 #if !defined(Perl_fp_class_nan) && \
2290 defined(Perl_fp_class_snan) && defined(Perl_fp_class_qnan)
2291 # define Perl_fp_class_nan(x) \
2292 (Perl_fp_class_snan(x) || Perl_fp_class_qnan(x))
2295 #if !defined(Perl_fp_class_zero) && \
2296 defined(Perl_fp_class_pzero) && defined(Perl_fp_class_nzero)
2297 # define Perl_fp_class_zero(x) \
2298 (Perl_fp_class_pzero(x) || Perl_fp_class_nzero(x))
2301 #if !defined(Perl_fp_class_norm) && \
2302 defined(Perl_fp_class_pnorm) && defined(Perl_fp_class_nnorm)
2303 # define Perl_fp_class_norm(x) \
2304 (Perl_fp_class_pnorm(x) || Perl_fp_class_nnorm(x))
2307 #if !defined(Perl_fp_class_denorm) && \
2308 defined(Perl_fp_class_pdenorm) && defined(Perl_fp_class_ndenorm)
2309 # define Perl_fp_class_denorm(x) \
2310 (Perl_fp_class_pdenorm(x) || Perl_fp_class_ndenorm(x))
2314 int isnan(double d);
2318 # ifdef Perl_fp_class_nan
2319 # define Perl_isnan(x) Perl_fp_class_nan(x)
2321 # ifdef HAS_UNORDERED
2322 # define Perl_isnan(x) unordered((x), 0.0)
2324 # define Perl_isnan(x) ((x)!=(x))
2330 # ifdef Perl_fp_class_inf
2331 # define Perl_isinf(x) Perl_fp_class_inf(x)
2335 #ifndef Perl_isfinite
2336 # if defined(HAS_ISFINITE) && !defined(isfinite)
2337 # define Perl_isfinite(x) isfinite((double)(x))
2338 # elif defined(HAS_FINITE)
2339 # define Perl_isfinite(x) finite((double)(x))
2340 # elif defined(Perl_fp_class_finite)
2341 # define Perl_isfinite(x) Perl_fp_class_finite(x)
2343 /* For the infinities the multiplication returns nan,
2344 * for the nan the multiplication also returns nan,
2345 * for everything else (that is, finite) zero should be returned. */
2346 # define Perl_isfinite(x) (((x) * 0) == 0)
2351 # if defined(Perl_isfinite) && defined(Perl_isnan)
2352 # define Perl_isinf(x) !(Perl_isfinite(x)||Perl_isnan(x))
2356 /* We need Perl_isfinitel (ends with ell) (if available) even when
2357 * not USE_LONG_DOUBLE because the printf code (sv_catpvfn_flags)
2359 #if defined(HAS_LONG_DOUBLE) && !defined(Perl_isfinitel)
2360 /* If isfinite() is a macro and looks like we have C99,
2361 * we assume it's the type-aware C99 isfinite(). */
2362 # if defined(HAS_ISFINITE) && defined(isfinite) && defined(HAS_C99)
2363 # define Perl_isfinitel(x) isfinite(x)
2364 # elif defined(HAS_ISFINITEL)
2365 # define Perl_isfinitel(x) isfinitel(x)
2366 # elif defined(HAS_FINITEL)
2367 # define Perl_isfinitel(x) finitel(x)
2368 # elif defined(HAS_INFL) && defined(HAS_NANL)
2369 # define Perl_isfinitel(x) !(isinfl(x)||isnanl(x))
2371 # define Perl_isfinitel(x) ((x) * 0 == 0) /* See Perl_isfinite. */
2375 /* The default is to use Perl's own atof() implementation (in numeric.c).
2376 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2377 * it is however best to use the native implementation of atof.
2378 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2379 * Some good tests to try out with either setting are t/base/num.t,
2380 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2381 * you may need to be using a different function than atof! */
2383 #ifndef USE_PERL_ATOF
2385 # define USE_PERL_ATOF
2388 # if USE_PERL_ATOF == 0
2389 # undef USE_PERL_ATOF
2393 #ifdef USE_PERL_ATOF
2394 # define Perl_atof(s) Perl_my_atof(s)
2395 # define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2397 # define Perl_atof(s) (NV)atof(s)
2398 # define Perl_atof2(s, n) ((n) = atof(s))
2401 /* Previously these definitions used hardcoded figures.
2402 * It is hoped these formula are more portable, although
2403 * no data one way or another is presently known to me.
2404 * The "PERL_" names are used because these calculated constants
2405 * do not meet the ANSI requirements for LONG_MAX, etc., which
2406 * need to be constants acceptable to #if - kja
2407 * define PERL_LONG_MAX 2147483647L
2408 * define PERL_LONG_MIN (-LONG_MAX - 1)
2409 * define PERL ULONG_MAX 4294967295L
2412 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2413 # include <limits.h>
2415 /* Included values.h above if necessary; still including limits.h down here,
2416 * despite doing above, because math.h might have overridden... XXX - Allen */
2419 * Try to figure out max and min values for the integral types. THE CORRECT
2420 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2421 * following hacks are used if neither limits.h or values.h provide them:
2422 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2423 * for types < int: (unsigned TYPE)~(unsigned)0
2424 * The argument to ~ must be unsigned so that later signed->unsigned
2425 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2426 * and it must not be smaller than int because ~ does integral promotion.
2427 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2428 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2429 * The latter is a hack which happens to work on some machines but
2430 * does *not* catch any random system, or things like integer types
2431 * with NaN if that is possible.
2433 * All of the types are explicitly cast to prevent accidental loss of
2434 * numeric range, and in the hope that they will be less likely to confuse
2435 * over-eager optimizers.
2439 #define PERL_UCHAR_MIN ((unsigned char)0)
2442 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
2445 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
2447 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
2452 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2453 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2454 * depending on local options. Until Configure detects this (or at least
2455 * detects whether the "signed" keyword is available) the CHAR ranges
2456 * will not be included. UCHAR functions normally.
2460 #define PERL_USHORT_MIN ((unsigned short)0)
2463 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
2466 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
2469 # define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2471 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2477 # define PERL_SHORT_MAX ((short)SHORT_MAX)
2479 # ifdef MAXSHORT /* Often used in <values.h> */
2480 # define PERL_SHORT_MAX ((short)MAXSHORT)
2483 # define PERL_SHORT_MAX ((short)SHRT_MAX)
2485 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2491 # define PERL_SHORT_MIN ((short)SHORT_MIN)
2494 # define PERL_SHORT_MIN ((short)MINSHORT)
2497 # define PERL_SHORT_MIN ((short)SHRT_MIN)
2499 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2505 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
2508 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
2510 # define PERL_UINT_MAX (~(unsigned int)0)
2514 #define PERL_UINT_MIN ((unsigned int)0)
2517 # define PERL_INT_MAX ((int)INT_MAX)
2519 # ifdef MAXINT /* Often used in <values.h> */
2520 # define PERL_INT_MAX ((int)MAXINT)
2522 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
2527 # define PERL_INT_MIN ((int)INT_MIN)
2530 # define PERL_INT_MIN ((int)MININT)
2532 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2537 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
2540 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
2542 # define PERL_ULONG_MAX (~(unsigned long)0)
2546 #define PERL_ULONG_MIN ((unsigned long)0L)
2549 # define PERL_LONG_MAX ((long)LONG_MAX)
2551 # ifdef MAXLONG /* Often used in <values.h> */
2552 # define PERL_LONG_MAX ((long)MAXLONG)
2554 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
2559 # define PERL_LONG_MIN ((long)LONG_MIN)
2562 # define PERL_LONG_MIN ((long)MINLONG)
2564 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
2570 # define PERL_UQUAD_MAX (~(UV)0)
2571 # define PERL_UQUAD_MIN ((UV)0)
2572 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
2573 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
2577 typedef MEM_SIZE STRLEN;
2579 typedef struct op OP;
2580 typedef struct cop COP;
2581 typedef struct unop UNOP;
2582 typedef struct unop_aux UNOP_AUX;
2583 typedef struct binop BINOP;
2584 typedef struct listop LISTOP;
2585 typedef struct logop LOGOP;
2586 typedef struct pmop PMOP;
2587 typedef struct svop SVOP;
2588 typedef struct padop PADOP;
2589 typedef struct pvop PVOP;
2590 typedef struct loop LOOP;
2591 typedef struct methop METHOP;
2594 typedef struct opslab OPSLAB;
2595 typedef struct opslot OPSLOT;
2598 typedef struct block_hooks BHK;
2599 typedef struct custom_op XOP;
2601 typedef struct interpreter PerlInterpreter;
2603 /* SGI's <sys/sema.h> has struct sv */
2605 # define STRUCT_SV perl_sv
2607 # define STRUCT_SV sv
2609 typedef struct STRUCT_SV SV;
2610 typedef struct av AV;
2611 typedef struct hv HV;
2612 typedef struct cv CV;
2613 typedef struct p5rx REGEXP;
2614 typedef struct gp GP;
2615 typedef struct gv GV;
2616 typedef struct io IO;
2617 typedef struct context PERL_CONTEXT;
2618 typedef struct block BLOCK;
2620 typedef struct magic MAGIC;
2621 typedef struct xpv XPV;
2622 typedef struct xpviv XPVIV;
2623 typedef struct xpvuv XPVUV;
2624 typedef struct xpvnv XPVNV;
2625 typedef struct xpvmg XPVMG;
2626 typedef struct xpvlv XPVLV;
2627 typedef struct xpvinvlist XINVLIST;
2628 typedef struct xpvav XPVAV;
2629 typedef struct xpvhv XPVHV;
2630 typedef struct xpvgv XPVGV;
2631 typedef struct xpvcv XPVCV;
2632 typedef struct xpvbm XPVBM;
2633 typedef struct xpvfm XPVFM;
2634 typedef struct xpvio XPVIO;
2635 typedef struct mgvtbl MGVTBL;
2636 typedef union any ANY;
2637 typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2638 typedef struct ptr_tbl PTR_TBL_t;
2639 typedef struct clone_params CLONE_PARAMS;
2641 /* a pad is currently just an AV; but that might change,
2642 * so hide the type. */
2643 typedef struct padlist PADLIST;
2645 typedef struct padnamelist PADNAMELIST;
2646 typedef struct padname PADNAME;
2648 /* enable PERL_NEW_COPY_ON_WRITE by default */
2649 #if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2650 # define PERL_NEW_COPY_ON_WRITE
2653 #if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2654 # if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2655 # error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2657 # define PERL_ANY_COW
2660 # define PERL_SAWAMPERSAND
2663 #if defined(PERL_DEBUG_READONLY_OPS) && !defined(USE_ITHREADS)
2664 # error PERL_DEBUG_READONLY_OPS only works with ithreads
2668 #include "charclass_invlists.h"
2670 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
2671 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2672 # define USE_64_BIT_RAWIO /* implicit */
2676 /* Notice the use of HAS_FSEEKO: now we are obligated to always use
2677 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2678 * however, because operating systems like to do that themself. */
2681 # define FSEEKSIZE LSEEKSIZE
2683 # define FSEEKSIZE LONGSIZE
2687 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
2688 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2689 # define USE_64_BIT_STDIO /* implicit */
2693 #ifdef USE_64_BIT_RAWIO
2696 # define Off_t off64_t
2698 # define LSEEKSIZE 8
2700 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2701 * will trigger defines like the ones below. Some 64-bit environments,
2702 * however, do not. Therefore we have to explicitly mix and match. */
2703 # if defined(USE_OPEN64)
2704 # define open open64
2706 # if defined(USE_LSEEK64)
2707 # define lseek lseek64
2709 # if defined(USE_LLSEEK)
2710 # define lseek llseek
2713 # if defined(USE_STAT64)
2714 # define stat stat64
2716 # if defined(USE_FSTAT64)
2717 # define fstat fstat64
2719 # if defined(USE_LSTAT64)
2720 # define lstat lstat64
2722 # if defined(USE_FLOCK64)
2723 # define flock flock64
2725 # if defined(USE_LOCKF64)
2726 # define lockf lockf64
2728 # if defined(USE_FCNTL64)
2729 # define fcntl fcntl64
2731 # if defined(USE_TRUNCATE64)
2732 # define truncate truncate64
2734 # if defined(USE_FTRUNCATE64)
2735 # define ftruncate ftruncate64
2739 #ifdef USE_64_BIT_STDIO
2740 # ifdef HAS_FPOS64_T
2742 # define Fpos_t fpos64_t
2744 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2745 * will trigger defines like the ones below. Some 64-bit environments,
2746 * however, do not. */
2747 # if defined(USE_FOPEN64)
2748 # define fopen fopen64
2750 # if defined(USE_FSEEK64)
2751 # define fseek fseek64 /* don't do fseeko here, see perlio.c */
2753 # if defined(USE_FTELL64)
2754 # define ftell ftell64 /* don't do ftello here, see perlio.c */
2756 # if defined(USE_FSETPOS64)
2757 # define fsetpos fsetpos64
2759 # if defined(USE_FGETPOS64)
2760 # define fgetpos fgetpos64
2762 # if defined(USE_TMPFILE64)
2763 # define tmpfile tmpfile64
2765 # if defined(USE_FREOPEN64)
2766 # define freopen freopen64
2771 # include "iperlsys.h"
2776 # include "os2ish.h"
2778 # include "dosish.h"
2781 # include "vmsish.h"
2782 #elif defined(PLAN9)
2783 # include "./plan9/plan9ish.h"
2784 #elif defined(__VOS__)
2786 # include "./vos/vosish.h"
2788 # include "vos/vosish.h"
2790 #elif defined(__SYMBIAN32__)
2791 # include "symbian/symbianish.h"
2792 #elif defined(__HAIKU__)
2793 # include "haiku/haikuish.h"
2795 # include "unixish.h"
2798 /* NSIG logic from Configure --> */
2799 /* Strange style to avoid deeply-nested #if/#else/#endif */
2802 # define NSIG (_NSIG)
2808 # define NSIG (SIGMAX+1)
2814 # define NSIG (SIG_MAX+1)
2820 # define NSIG (_SIG_MAX+1)
2826 # define NSIG (MAXSIG+1)
2832 # define NSIG (MAX_SIG+1)
2837 # ifdef SIGARRAYSIZE
2838 # define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2844 # define NSIG (_sys_nsig) /* Solaris 2.5 */
2848 /* Default to some arbitrary number that's big enough to get most
2849 of the common signals.
2854 /* <-- NSIG logic from Configure */
2856 #ifndef NO_ENVIRON_ARRAY
2857 # define USE_ENVIRON_ARRAY
2861 * initialise to avoid floating-point exceptions from overflow, etc
2863 #ifndef PERL_FPU_INIT
2864 # ifdef HAS_FPSETMASK
2865 # if HAS_FLOATINGPOINT_H
2866 # include <floatingpoint.h>
2868 /* Some operating systems have this as a macro, which in turn expands to a comma
2869 expression, and the last sub-expression is something that gets calculated,
2870 and then they have the gall to warn that a value computed is not used. Hence
2872 # define PERL_FPU_INIT (void)fpsetmask(0)
2874 # if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
2875 # define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
2876 # define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2877 # define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
2879 # define PERL_FPU_INIT
2884 #ifndef PERL_FPU_PRE_EXEC
2885 # define PERL_FPU_PRE_EXEC {
2886 # define PERL_FPU_POST_EXEC }
2889 /* In Tru64 the cc -ieee enables the IEEE math but disables traps.
2890 * We need to reenable the "invalid" trap because otherwise generation
2891 * of NaN values leaves the IEEE fp flags in bad state, leaving any further
2892 * fp ops behaving strangely (Inf + 1 resulting in zero, for example). */
2894 # include <machine/fpu.h>
2895 # define PERL_SYS_FPU_INIT \
2897 ieee_set_fp_control(IEEE_TRAP_ENABLE_INV); \
2898 signal(SIGFPE, SIG_IGN); \
2901 /* In IRIX the default for Flush to Zero bit is true,
2902 * which means that results going below the minimum of normal
2903 * floating points go to zero, instead of going denormal/subnormal.
2904 * This is unlike almost any other system running Perl, so let's clear it.
2905 * [perl #123767] IRIX64 blead (ddce084a) opbasic/arith.t failure, originally
2906 * [perl #120426] small numbers shouldn't round to zero if they have extra floating digits
2908 * XXX The flush-to-zero behaviour should be a Configure scan.
2909 * To change the behaviour usually requires some system-specific
2910 * incantation, though, like the below. */
2912 # include <sys/fpu.h>
2913 # define PERL_SYS_FPU_INIT \
2915 union fpc_csr csr; \
2916 csr.fc_word = get_fpc_csr(); \
2917 csr.fc_struct.flush = 0; \
2918 set_fpc_csr(csr.fc_word); \
2922 #ifndef PERL_SYS_FPU_INIT
2923 # define PERL_SYS_FPU_INIT NOOP
2926 #ifndef PERL_SYS_INIT3_BODY
2927 # define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
2931 =head1 Miscellaneous Functions
2933 =for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
2934 Provides system-specific tune up of the C runtime environment necessary to
2935 run Perl interpreters. This should be called only once, before creating
2936 any Perl interpreters.
2938 =for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
2939 Provides system-specific tune up of the C runtime environment necessary to
2940 run Perl interpreters. This should be called only once, before creating
2941 any Perl interpreters.
2943 =for apidoc Am|void|PERL_SYS_TERM|
2944 Provides system-specific clean up of the C runtime environment after
2945 running Perl interpreters. This should be called only once, after
2946 freeing any remaining Perl interpreters.
2951 #define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2952 #define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
2953 #define PERL_SYS_TERM() Perl_sys_term()
2955 #ifndef PERL_WRITE_MSG_TO_CONSOLE
2956 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2961 # ifdef _POSIX_PATH_MAX
2962 # if PATH_MAX > _POSIX_PATH_MAX
2963 /* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2964 * included the null byte or not. Later amendments of POSIX,
2965 * XPG4, the Austin Group, and the Single UNIX Specification
2966 * all explicitly include the null byte in the PATH_MAX.
2967 * Ditto for _POSIX_PATH_MAX. */
2968 # define MAXPATHLEN PATH_MAX
2970 # define MAXPATHLEN _POSIX_PATH_MAX
2973 # define MAXPATHLEN (PATH_MAX+1)
2976 # define MAXPATHLEN 1024 /* Err on the large side. */
2980 /* In case Configure was not used (we are using a "canned config"
2981 * such as Win32, or a cross-compilation setup, for example) try going
2982 * by the gcc major and minor versions. One useful URL is
2983 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2984 * but contrary to this information warn_unused_result seems
2985 * not to be in gcc 3.3.5, at least. --jhi
2986 * Also, when building extensions with an installed perl, this allows
2987 * the user to upgrade gcc and get the right attributes, rather than
2988 * relying on the list generated at Configure time. --AD
2989 * Set these up now otherwise we get confused when some of the <*thread.h>
2990 * includes below indirectly pull in <perlio.h> (which needs to know if we
2991 * have HASATTRIBUTE_FORMAT).
2995 #if defined __GNUC__ && !defined(__INTEL_COMPILER)
2996 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2997 # define HASATTRIBUTE_DEPRECATED
2999 # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
3000 # define HASATTRIBUTE_FORMAT
3001 # if defined __MINGW32__
3002 # define PRINTF_FORMAT_NULL_OK
3005 # if __GNUC__ >= 3 /* 3.0 -> */
3006 # define HASATTRIBUTE_MALLOC
3008 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
3009 # define HASATTRIBUTE_NONNULL
3011 # if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
3012 # define HASATTRIBUTE_NORETURN
3014 # if __GNUC__ >= 3 /* gcc 3.0 -> */
3015 # define HASATTRIBUTE_PURE
3017 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
3018 # define HASATTRIBUTE_UNUSED
3020 # if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
3021 # define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
3023 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
3024 # define HASATTRIBUTE_WARN_UNUSED_RESULT
3027 #endif /* #ifndef PERL_MICRO */
3029 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
3030 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
3031 * this results in many functions being undeclared which bothers C++
3032 * May make sense to have threads after "*ish.h" anyway
3035 #if defined(USE_ITHREADS)
3037 # include <nw5thread.h>
3040 # include <win32thread.h>
3043 # include "os2thread.h"
3045 # ifdef I_MACH_CTHREADS
3046 # include <mach/cthreads.h>
3047 typedef cthread_t perl_os_thread;
3048 typedef mutex_t perl_mutex;
3049 typedef condition_t perl_cond;
3050 typedef void * perl_key;
3051 # else /* Posix threads */
3053 # include <pthread.h>
3055 typedef pthread_t perl_os_thread;
3056 typedef pthread_mutex_t perl_mutex;
3057 typedef pthread_cond_t perl_cond;
3058 typedef pthread_key_t perl_key;
3059 # endif /* I_MACH_CTHREADS */
3062 # endif /* NETWARE */
3063 #endif /* USE_ITHREADS */
3070 # include "netware.h"
3073 #define STATUS_UNIX PL_statusvalue
3075 # define STATUS_NATIVE PL_statusvalue_vms
3077 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
3078 * its contents can not be trusted. Unfortunately, Perl seems to check
3079 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
3082 # include <stsdef.h>
3084 /* Presume this because if VMS changes it, it will require a new
3085 * set of APIs for waiting on children for binary compatibility.
3087 # define child_offset_bits (8)
3088 # ifndef C_FAC_POSIX
3089 # define C_FAC_POSIX 0x35A000
3092 /* STATUS_EXIT - validates and returns a NATIVE exit status code for the
3093 * platform from the existing UNIX or Native status values.
3096 # define STATUS_EXIT \
3097 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
3098 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
3101 /* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
3102 * exit code and shifts the UNIX value over the correct number of bits to
3103 * be a child status. Usually the number of bits is 8, but that could be
3104 * platform dependent. The NATIVE status code is presumed to have either
3105 * from a child process.
3108 /* This is complicated. The child processes return a true native VMS
3109 status which must be saved. But there is an assumption in Perl that
3110 the UNIX child status has some relationship to errno values, so
3111 Perl tries to translate it to text in some of the tests.
3112 In order to get the string translation correct, for the error, errno
3113 must be EVMSERR, but that generates a different text message
3114 than what the test programs are expecting. So an errno value must
3115 be derived from the native status value when an error occurs.
3116 That will hide the true native status message. With this version of
3117 perl, the true native child status can always be retrieved so that
3118 is not a problem. But in this case, Pl_statusvalue and errno may
3119 have different values in them.
3122 # define STATUS_NATIVE_CHILD_SET(n) \
3124 I32 evalue = (I32)n; \
3125 if (evalue == EVMSERR) { \
3126 PL_statusvalue_vms = vaxc$errno; \
3127 PL_statusvalue = evalue; \
3129 PL_statusvalue_vms = evalue; \
3130 if (evalue == -1) { \
3131 PL_statusvalue = -1; \
3132 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
3134 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
3135 set_vaxc_errno(evalue); \
3136 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
3137 set_errno(EVMSERR); \
3138 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
3139 PL_statusvalue = PL_statusvalue << child_offset_bits; \
3143 # ifdef VMSISH_STATUS
3144 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
3146 # define STATUS_CURRENT STATUS_UNIX
3149 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
3150 * the NATIVE status to an equivalent value. Can not be used to translate
3151 * exit code values as exit code values are not guaranteed to have any
3152 * relationship at all to errno values.
3153 * This is used when Perl is forcing errno to have a specific value.
3155 # define STATUS_UNIX_SET(n) \
3157 I32 evalue = (I32)n; \
3158 PL_statusvalue = evalue; \
3159 if (PL_statusvalue != -1) { \
3160 if (PL_statusvalue != EVMSERR) { \
3161 PL_statusvalue &= 0xFFFF; \
3162 if (MY_POSIX_EXIT) \
3163 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
3164 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
3167 PL_statusvalue_vms = vaxc$errno; \
3170 else PL_statusvalue_vms = SS$_ABORT; \
3171 set_vaxc_errno(PL_statusvalue_vms); \
3174 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
3175 * the NATIVE error status based on it.
3177 * When in the default mode to comply with the Perl VMS documentation,
3178 * 0 is a success and any other code sets the NATIVE status to a failure
3179 * code of SS$_ABORT.
3181 * In the new POSIX EXIT mode, native status will be set so that the
3182 * actual exit code will can be retrieved by the calling program or
3185 * If the exit code is not clearly a UNIX parent or child exit status,
3186 * it will be passed through as a VMS status.
3189 # define STATUS_UNIX_EXIT_SET(n) \
3191 I32 evalue = (I32)n; \
3192 PL_statusvalue = evalue; \
3193 if (MY_POSIX_EXIT) { \
3194 if (evalue <= 0xFF00) { \
3195 if (evalue > 0xFF) \
3196 evalue = (evalue >> child_offset_bits) & 0xFF; \
3197 PL_statusvalue_vms = \
3198 (C_FAC_POSIX | (evalue << 3 ) | \
3199 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3200 } else /* forgive them Perl, for they have sinned */ \
3201 PL_statusvalue_vms = evalue; \
3204 PL_statusvalue_vms = SS$_NORMAL; \
3205 else if (evalue <= 0xFF00) \
3206 PL_statusvalue_vms = SS$_ABORT; \
3207 else { /* forgive them Perl, for they have sinned */ \
3208 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3209 else PL_statusvalue_vms = vaxc$errno; \
3210 /* And obviously used a VMS status value instead of UNIX */ \
3211 PL_statusvalue = EVMSERR; \
3213 set_vaxc_errno(PL_statusvalue_vms); \
3218 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3219 * and sets the NATIVE error status based on it. This special case
3220 * is needed to maintain compatibility with past VMS behavior.
3222 * In the default mode on VMS, this number is passed through as
3223 * both the NATIVE and UNIX status. Which makes it different
3224 * that the STATUS_UNIX_EXIT_SET.
3226 * In the new POSIX EXIT mode, native status will be set so that the
3227 * actual exit code will can be retrieved by the calling program or
3230 * A POSIX exit code is from 0 to 255. If the exit code is higher
3231 * than this, it needs to be assumed that it is a VMS exit code and
3235 # define STATUS_EXIT_SET(n) \
3237 I32 evalue = (I32)n; \
3238 PL_statusvalue = evalue; \
3239 if (MY_POSIX_EXIT) \
3240 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3241 PL_statusvalue_vms = \
3242 (C_FAC_POSIX | (evalue << 3 ) | \
3243 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
3245 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3246 set_vaxc_errno(PL_statusvalue_vms); \
3250 /* This macro forces a success status */
3251 # define STATUS_ALL_SUCCESS \
3252 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
3254 /* This macro forces a failure status */
3255 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3256 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3257 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
3260 # define STATUS_NATIVE PL_statusvalue_posix
3261 # if defined(WCOREDUMP)
3262 # define STATUS_NATIVE_CHILD_SET(n) \
3264 PL_statusvalue_posix = (n); \
3265 if (PL_statusvalue_posix == -1) \
3266 PL_statusvalue = -1; \
3269 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3270 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3271 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3274 # elif defined(WIFEXITED)
3275 # define STATUS_NATIVE_CHILD_SET(n) \
3277 PL_statusvalue_posix = (n); \
3278 if (PL_statusvalue_posix == -1) \
3279 PL_statusvalue = -1; \
3282 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3283 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3287 # define STATUS_NATIVE_CHILD_SET(n) \
3289 PL_statusvalue_posix = (n); \
3290 if (PL_statusvalue_posix == -1) \
3291 PL_statusvalue = -1; \
3294 PL_statusvalue_posix & 0xFFFF; \
3298 # define STATUS_UNIX_SET(n) \
3300 PL_statusvalue = (n); \
3301 if (PL_statusvalue != -1) \
3302 PL_statusvalue &= 0xFFFF; \
3304 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3305 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3306 # define STATUS_CURRENT STATUS_UNIX
3307 # define STATUS_EXIT STATUS_UNIX
3308 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3309 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3312 /* flags in PL_exit_flags for nature of exit() */
3313 #define PERL_EXIT_EXPECTED 0x01
3314 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
3315 #define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3316 #define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
3319 /* format to use for version numbers in file/directory names */
3320 /* XXX move to Configure? */
3321 /* This was only ever used for the current version, and that can be done at
3322 compile time, as PERL_FS_VERSION, so should we just delete it? */
3323 # ifndef PERL_FS_VER_FMT
3324 # define PERL_FS_VER_FMT "%d.%d.%d"
3328 #ifndef PERL_FS_VERSION
3329 # define PERL_FS_VERSION PERL_VERSION_STRING
3332 /* This defines a way to flush all output buffers. This may be a
3333 * performance issue, so we allow people to disable it. Also, if
3334 * we are using stdio, there are broken implementations of fflush(NULL)
3335 * out there, Solaris being the most prominent.
3337 #ifndef PERL_FLUSHALL_FOR_CHILD
3338 # if defined(USE_PERLIO) || defined(FFLUSH_NULL)
3339 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
3342 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
3344 # define PERL_FLUSHALL_FOR_CHILD NOOP
3349 #ifndef PERL_WAIT_FOR_CHILDREN
3350 # define PERL_WAIT_FOR_CHILDREN NOOP
3353 /* the traditional thread-unsafe notion of "current interpreter". */
3354 #ifndef PERL_SET_INTERP
3355 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3358 #ifndef PERL_GET_INTERP
3359 # define PERL_GET_INTERP (PL_curinterp)
3362 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
3363 # ifdef MULTIPLICITY
3364 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
3366 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3370 This replaces the previous %_ "hack" by the "%p" hacks.
3371 All that is required is that the perl source does not
3372 use "%-p" or "%-<number>p" or "%<number>p" formats.
3373 These formats will still work in perl code.
3374 See comments in sv.c for further details.
3376 Robin Barker 2005-07-14
3378 No longer use %1p for VDf = %vd. RMB 2007-10-19
3382 # define SVf_(n) "-" STRINGIFY(n) "p"
3390 # define SVf32 SVf_(32)
3394 # define SVf256 SVf_(256)
3397 #define SVfARG(p) ((void*)(p))
3403 /* Not ideal, but we cannot easily include a number in an already-numeric
3404 * format sequence. */
3406 # define HEKf256 "3p"
3409 #define HEKfARG(p) ((void*)(p))
3411 /* Takes three arguments: is_utf8, length, str */
3413 # define UTF8f "d%" UVuf "%4p"
3415 #define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3418 #define PNfARG(pn) (int)1, (UV)PadnameLEN(pn), (void *)PadnamePV(pn)
3421 /* not used; but needed for backward compatibility with XS code? - RMB */
3429 #ifdef HASATTRIBUTE_DEPRECATED
3430 # define __attribute__deprecated__ __attribute__((deprecated))
3432 #ifdef HASATTRIBUTE_FORMAT
3433 # define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3435 #ifdef HASATTRIBUTE_MALLOC
3436 # define __attribute__malloc__ __attribute__((__malloc__))
3438 #ifdef HASATTRIBUTE_NONNULL
3439 # define __attribute__nonnull__(a) __attribute__((nonnull(a)))
3441 #ifdef HASATTRIBUTE_NORETURN
3442 # define __attribute__noreturn__ __attribute__((noreturn))
3444 #ifdef HASATTRIBUTE_PURE
3445 # define __attribute__pure__ __attribute__((pure))
3447 #ifdef HASATTRIBUTE_UNUSED
3448 # define __attribute__unused__ __attribute__((unused))
3450 #ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
3451 # define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
3454 /* If we haven't defined the attributes yet, define them to blank. */
3455 #ifndef __attribute__deprecated__
3456 # define __attribute__deprecated__
3458 #ifndef __attribute__format__
3459 # define __attribute__format__(x,y,z)
3461 #ifndef __attribute__malloc__
3462 # define __attribute__malloc__
3464 #ifndef __attribute__nonnull__
3465 # define __attribute__nonnull__(a)
3467 #ifndef __attribute__noreturn__
3468 # define __attribute__noreturn__
3470 #ifndef __attribute__pure__
3471 # define __attribute__pure__
3473 #ifndef __attribute__unused__
3474 # define __attribute__unused__
3476 #ifndef __attribute__warn_unused_result__
3477 # define __attribute__warn_unused_result__
3481 # if !defined(DEBUGGING) && !defined(NDEBUG)
3484 # include <assert.h>
3487 /* For functions that are marked as __attribute__noreturn__, it's not
3488 appropriate to call return. In either case, include the lint directive.
3490 #ifdef HASATTRIBUTE_NORETURN
3491 # define NORETURN_FUNCTION_END NOT_REACHED;
3493 # define NORETURN_FUNCTION_END NOT_REACHED; return 0
3496 /* Some OS warn on NULL format to printf */
3497 #ifdef PRINTF_FORMAT_NULL_OK
3498 # define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3500 # define __attribute__format__null_ok__(x,y,z)
3503 #ifdef HAS_BUILTIN_EXPECT
3504 # define EXPECT(expr,val) __builtin_expect(expr,val)
3506 # define EXPECT(expr,val) (expr)
3508 #define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3509 #define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
3510 #ifdef HAS_BUILTIN_CHOOSE_EXPR
3514 /* STATIC_ASSERT_GLOBAL/STATIC_ASSERT_STMT are like assert(), but for compile
3515 time invariants. That is, their argument must be a constant expression that
3516 can be verified by the compiler. This expression can contain anything that's
3517 known to the compiler, e.g. #define constants, enums, or sizeof (...). If
3518 the expression evaluates to 0, compilation fails.
3519 Because they generate no runtime code (i.e. their use is "free"), they're
3520 always active, even under non-DEBUGGING builds.
3521 STATIC_ASSERT_GLOBAL expands to a declaration and is suitable for use at
3522 file scope (outside of any function).
3523 STATIC_ASSERT_STMT expands to a statement and is suitable for use inside a
3526 #if (defined(static_assert) || (defined(__cplusplus) && __cplusplus >= 201103L)) && (!defined(__IBMC__) || __IBMC__ >= 1210)
3527 /* static_assert is a macro defined in <assert.h> in C11 or a compiler
3530 /* IBM XL C V11 does not support _Static_assert, no matter what <assert.h> says */
3531 # define STATIC_ASSERT_GLOBAL(COND) static_assert(COND, #COND)
3533 /* We use a bit-field instead of an array because gcc accepts
3534 'typedef char x[n]' where n is not a compile-time constant.
3535 We want to enforce constantness.
3537 # define STATIC_ASSERT_2(COND, SUFFIX) \
3539 unsigned int _static_assertion_failed_##SUFFIX : (COND) ? 1 : -1; \
3540 } _static_assertion_failed_##SUFFIX PERL_UNUSED_DECL
3541 # define STATIC_ASSERT_1(COND, SUFFIX) STATIC_ASSERT_2(COND, SUFFIX)
3542 # define STATIC_ASSERT_GLOBAL(COND) STATIC_ASSERT_1(COND, __LINE__)
3544 /* We need this wrapper even in C11 because 'case X: static_assert(...);' is an
3545 error (static_assert is a declaration, and only statements can have labels).
3547 #define STATIC_ASSERT_STMT(COND) do { STATIC_ASSERT_GLOBAL(COND); } while (0)
3549 #ifndef __has_builtin
3550 # define __has_builtin(x) 0 /* not a clang style compiler */
3553 /* ASSUME is like assert(), but it has a benefit in a release build. It is a
3554 hint to a compiler about a statement of fact in a function call free
3555 expression, which allows the compiler to generate better machine code.
3556 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3557 the control path is unreachable. In a for loop, ASSUME can be used to hint
3558 that a loop will run at least X times. ASSUME is based off MSVC's __assume
3559 intrinsic function, see its documents for more details.
3563 # if __has_builtin(__builtin_unreachable) \
3564 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4) /* 4.5 -> */
3565 # define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3566 # elif defined(_MSC_VER)
3567 # define ASSUME(x) __assume(x)
3568 # elif defined(__ARMCC_VERSION) /* untested */
3569 # define ASSUME(x) __promise(x)
3571 /* a random compiler might define assert to its own special optimization token
3572 so pass it through to C lib as a last resort */
3573 # define ASSUME(x) assert(x)
3576 # define ASSUME(x) assert(x)
3579 #define NOT_REACHED ASSUME(0)
3581 /* Some unistd.h's give a prototype for pause() even though
3582 HAS_PAUSE ends up undefined. This causes the #define
3583 below to be rejected by the compiler. Sigh.
3588 #define Pause() sleep((32767<<16)+32767)
3592 # ifdef IOCPARM_MASK
3593 /* on BSDish systems we're safe */
3594 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3596 # if defined(_IOC_SIZE) && defined(__GLIBC__)
3597 /* on Linux systems we're safe; except when we're not [perl #38223] */
3598 # define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
3600 /* otherwise guess at what's safe */
3601 # define IOCPARM_LEN(x) 256
3606 #if defined(__CYGWIN__)
3608 * This symbol, if defined, indicates that the program should
3609 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
3610 * that a file is in "binary" mode -- that is, that no translation
3611 * of bytes occurs on read or write operations.
3613 # define USEMYBINMODE /**/
3614 # include <io.h> /* for setmode() prototype */
3615 # define my_binmode(fp, iotype, mode) \
3616 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
3620 void init_os_extras(void);
3623 #ifdef UNION_ANY_DEFINITION
3624 UNION_ANY_DEFINITION;
3634 void (*any_dptr) (void*);
3635 void (*any_dxptr) (pTHX_ void*);
3639 typedef I32 (*filter_t) (pTHX_ int, SV *, int);
3641 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3642 #define FILTER_DATA(idx) \
3643 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3644 #define FILTER_ISREADER(idx) \
3645 (PL_parser && PL_parser->rsfp_filters \
3646 && idx >= AvFILLp(PL_parser->rsfp_filters))
3647 #define PERL_FILTER_EXISTS(i) \
3648 (PL_parser && PL_parser->rsfp_filters \
3649 && (i) <= av_tindex(PL_parser->rsfp_filters))
3651 #if defined(_AIX) && !defined(_AIX43)
3652 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3653 /* We cannot include <crypt.h> to get the struct crypt_data
3654 * because of setkey prototype problems when threading */
3655 typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3656 /* From OSF, Not needed in AIX
3664 #endif /* threading */
3667 #ifndef PERL_CALLCONV
3669 # define PERL_CALLCONV extern "C"
3671 # define PERL_CALLCONV
3674 #ifndef PERL_CALLCONV_NO_RET
3675 # define PERL_CALLCONV_NO_RET PERL_CALLCONV
3678 /* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
3679 dont have a noreturn as a declaration specifier
3681 #ifndef PERL_STATIC_NO_RET
3682 # define PERL_STATIC_NO_RET STATIC
3684 /* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
3685 builds that dont have a noreturn as a declaration specifier
3687 #ifndef PERL_STATIC_INLINE_NO_RET
3688 # define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
3692 # include "iperlsys.h"
3695 #ifdef __LIBCATAMOUNT__
3696 #undef HAS_PASSWD /* unixish.h but not unixish enough. */
3698 #define FAKE_BIT_BUCKET
3701 /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3702 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3703 * defined by Configure, despite their names being similar to the
3704 * other defines like USE_ITHREADS. Configure in fact knows nothing
3705 * about the randomised hashes. Therefore to enable/disable the hash
3706 * randomisation defines use the Configure -Accflags=... instead. */
3707 #if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
3708 # define USE_HASH_SEED
3711 /* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3712 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3713 * it's not really needed.
3716 # define YYTOKENTYPE
3721 /* macros to define bit-fields in structs. */
3722 #ifndef PERL_BITFIELD8
3723 # define PERL_BITFIELD8 unsigned
3725 #ifndef PERL_BITFIELD16
3726 # define PERL_BITFIELD16 unsigned
3728 #ifndef PERL_BITFIELD32
3729 # define PERL_BITFIELD32 unsigned
3739 #include "opnames.h"
3746 #include "warnings.h"
3749 /* these would be in doio.h if there was such a file */
3750 #define my_stat() my_stat_flags(SV_GMAGIC)
3751 #define my_lstat() my_lstat_flags(SV_GMAGIC)
3753 /* defined in sv.c, but also used in [ach]v.c */
3756 #undef _XPVCV_COMMON
3758 typedef struct _sublex_info SUBLEXINFO;
3759 struct _sublex_info {
3760 U8 super_state; /* lexer state to save */
3761 U16 sub_inwhat; /* "lex_inwhat" to use */
3762 OP *sub_op; /* "lex_op" to use */
3763 SV *repl; /* replacement of s/// or y/// */
3768 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
3770 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3772 /* These have to be predeclared, as they are used in proto.h which is #included
3773 * before their definitions in regcomp.h. */
3776 typedef struct regnode_charclass regnode_charclass;
3778 struct regnode_charclass_class;
3780 /* A hopefully less confusing name. The sub-classes are all Posix classes only
3781 * used under /l matching */
3782 typedef struct regnode_charclass_class regnode_charclass_posixl;
3784 typedef struct regnode_ssc regnode_ssc;
3785 typedef struct RExC_state_t RExC_state_t;
3786 struct _reg_trie_data;
3790 struct ptr_tbl_ent {
3791 struct ptr_tbl_ent* next;
3797 struct ptr_tbl_ent** tbl_ary;
3800 struct ptr_tbl_arena *tbl_arena;
3801 struct ptr_tbl_ent *tbl_arena_next;
3802 struct ptr_tbl_ent *tbl_arena_end;
3805 #if defined(htonl) && !defined(HAS_HTONL)
3808 #if defined(htons) && !defined(HAS_HTONS)
3811 #if defined(ntohl) && !defined(HAS_NTOHL)
3814 #if defined(ntohs) && !defined(HAS_NTOHS)
3822 # if (BYTEORDER & 0xffff) == 0x4321
3823 /* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3824 re-order their values. However, to behave identically to the alternative
3825 implementations, they should truncate to the correct size. */
3826 # define ntohl(x) ((x)&0xFFFFFFFF)
3827 # define htonl(x) ntohl(x)
3828 # define ntohs(x) ((x)&0xFFFF)
3829 # define htons(x) ntohs(x)
3830 # elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3832 /* Note that we can't straight out declare our own htonl and htons because
3833 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3834 to avoid the overhead of initialising the socket subsystem, but the headers
3835 that *declare* the various functions are still seen. If we declare our own
3836 htonl etc they will clash with the declarations in the Win32 headers. */
3838 PERL_STATIC_INLINE U32
3839 my_swap32(const U32 x) {
3840 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3841 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3844 PERL_STATIC_INLINE U16
3845 my_swap16(const U16 x) {
3846 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3849 # define htonl(x) my_swap32(x)
3850 # define ntohl(x) my_swap32(x)
3851 # define ntohs(x) my_swap16(x)
3852 # define htons(x) my_swap16(x)
3854 # error "Unsupported byteorder"
3855 /* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3856 the error message. Please check the value of the macro BYTEORDER, as defined
3857 in config.h. The values of BYTEORDER we expect are
3859 big endian little endian
3860 32 bit 0x4321 0x1234
3861 64 bit 0x87654321 0x12345678
3863 If you have a system with a different byte order, please see
3864 pod/perlhack.pod for how to submit a patch to add supporting code.
3870 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3873 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3874 /* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3875 re-order their values. However, to behave identically to the alternative
3876 implementations, they should truncate to the correct size. */
3877 # define vtohl(x) ((x)&0xFFFFFFFF)
3878 # define vtohs(x) ((x)&0xFFFF)
3879 # define htovl(x) vtohl(x)
3880 # define htovs(x) vtohs(x)
3881 #elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
3882 # define vtohl(x) ((((x)&0xFF)<<24) \
3884 +(((x)&0x0000FF00)<<8) \
3885 +(((x)&0x00FF0000)>>8) )
3886 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3887 # define htovl(x) vtohl(x)
3888 # define htovs(x) vtohs(x)
3890 # error "Unsupported byteorder"
3891 /* If you have need for current perl on PDP-11 or similar, and can help test
3892 that blead keeps working on a mixed-endian system, then see
3893 pod/perlhack.pod for how to submit patches to things working again. */
3896 /* *MAX Plus 1. A floating point value.
3897 Hopefully expressed in a way that dodgy floating point can't mess up.
3898 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3900 May find that some broken compiler will want the value cast to I32.
3901 [after the shift, as signed >> may not be as secure as unsigned >>]
3903 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3904 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3905 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3906 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3907 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3909 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
3911 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3912 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3913 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3915 /* This may look like unnecessary jumping through hoops, but converting
3916 out of range floating point values to integers *is* undefined behaviour,
3917 and it is starting to bite.
3920 #define I_32(what) (cast_i32((NV)(what)))
3921 #define U_32(what) (cast_ulong((NV)(what)))
3922 #define I_V(what) (cast_iv((NV)(what)))
3923 #define U_V(what) (cast_uv((NV)(what)))
3925 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3926 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3927 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3928 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3929 : ((n) < U32_MAX_P1 ? (U32) (n) \
3930 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3931 #define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3932 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3933 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3934 #define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3935 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3936 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3939 #define U_S(what) ((U16)U_32(what))
3940 #define U_I(what) ((unsigned int)U_32(what))
3941 #define U_L(what) U_32(what)
3944 # define Perl_signbit signbit
3947 /* These do not care about the fractional part, only about the range. */
3948 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
3949 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
3951 /* Used with UV/IV arguments: */
3952 /* XXXX: need to speed it up */
3953 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3954 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3961 #if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
3962 Uid_t getuid (void);
3963 Uid_t geteuid (void);
3964 Gid_t getgid (void);
3965 Gid_t getegid (void);
3969 #ifndef Perl_debug_log
3970 # define Perl_debug_log PerlIO_stderr()
3973 #ifndef Perl_error_log
3974 # define Perl_error_log (PL_stderrgv \
3975 && isGV(PL_stderrgv) \
3976 && GvIOp(PL_stderrgv) \
3977 && IoOFP(GvIOp(PL_stderrgv)) \
3978 ? IoOFP(GvIOp(PL_stderrgv)) \
3983 #define DEBUG_p_FLAG 0x00000001 /* 1 */
3984 #define DEBUG_s_FLAG 0x00000002 /* 2 */
3985 #define DEBUG_l_FLAG 0x00000004 /* 4 */
3986 #define DEBUG_t_FLAG 0x00000008 /* 8 */
3987 #define DEBUG_o_FLAG 0x00000010 /* 16 */
3988 #define DEBUG_c_FLAG 0x00000020 /* 32 */
3989 #define DEBUG_P_FLAG 0x00000040 /* 64 */
3990 #define DEBUG_m_FLAG 0x00000080 /* 128 */
3991 #define DEBUG_f_FLAG 0x00000100 /* 256 */
3992 #define DEBUG_r_FLAG 0x00000200 /* 512 */
3993 #define DEBUG_x_FLAG 0x00000400 /* 1024 */
3994 #define DEBUG_u_FLAG 0x00000800 /* 2048 */
3995 /* U is reserved for Unofficial, exploratory hacking */
3996 #define DEBUG_U_FLAG 0x00001000 /* 4096 */
3997 #define DEBUG_H_FLAG 0x00002000 /* 8192 */
3998 #define DEBUG_X_FLAG 0x00004000 /* 16384 */
3999 #define DEBUG_D_FLAG 0x00008000 /* 32768 */
4000 #define DEBUG_S_FLAG 0x00010000 /* 65536 */
4001 #define DEBUG_T_FLAG 0x00020000 /* 131072 */
4002 #define DEBUG_R_FLAG 0x00040000 /* 262144 */
4003 #define DEBUG_J_FLAG 0x00080000 /* 524288 */
4004 #define DEBUG_v_FLAG 0x00100000 /*1048576 */
4005 #define DEBUG_C_FLAG 0x00200000 /*2097152 */
4006 #define DEBUG_A_FLAG 0x00400000 /*4194304 */
4007 #define DEBUG_q_FLAG 0x00800000 /*8388608 */
4008 #define DEBUG_M_FLAG 0x01000000 /*16777216*/
4009 #define DEBUG_B_FLAG 0x02000000 /*33554432*/
4010 #define DEBUG_L_FLAG 0x04000000 /*67108864*/
4011 #define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
4013 #define DEBUG_DB_RECURSE_FLAG 0x40000000
4014 #define DEBUG_TOP_FLAG 0x80000000 /* -D was given --> PL_debug |= FLAG */
4016 # define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
4017 # define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
4018 # define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
4019 # define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
4020 # define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
4021 # define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
4022 # define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
4023 # define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
4024 # define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
4025 # define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
4026 # define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
4027 # define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
4028 # define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
4029 # define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
4030 # define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
4031 # define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
4032 # define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
4033 # define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
4034 # define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
4035 # define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
4036 # define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
4037 # define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
4038 # define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
4039 # define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
4040 # define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
4041 # define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
4042 # define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
4043 # define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
4044 # define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
4045 # define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
4049 # define DEBUG_p_TEST DEBUG_p_TEST_
4050 # define DEBUG_s_TEST DEBUG_s_TEST_
4051 # define DEBUG_l_TEST DEBUG_l_TEST_
4052 # define DEBUG_t_TEST DEBUG_t_TEST_
4053 # define DEBUG_o_TEST DEBUG_o_TEST_
4054 # define DEBUG_c_TEST DEBUG_c_TEST_
4055 # define DEBUG_P_TEST DEBUG_P_TEST_
4056 # define DEBUG_m_TEST DEBUG_m_TEST_
4057 # define DEBUG_f_TEST DEBUG_f_TEST_
4058 # define DEBUG_r_TEST DEBUG_r_TEST_
4059 # define DEBUG_x_TEST DEBUG_x_TEST_
4060 # define DEBUG_u_TEST DEBUG_u_TEST_
4061 # define DEBUG_U_TEST DEBUG_U_TEST_
4062 # define DEBUG_H_TEST DEBUG_H_TEST_
4063 # define DEBUG_X_TEST DEBUG_X_TEST_
4064 # define DEBUG_D_TEST DEBUG_D_TEST_
4065 # define DEBUG_S_TEST DEBUG_S_TEST_
4066 # define DEBUG_T_TEST DEBUG_T_TEST_
4067 # define DEBUG_R_TEST DEBUG_R_TEST_
4068 # define DEBUG_J_TEST DEBUG_J_TEST_
4069 # define DEBUG_v_TEST DEBUG_v_TEST_
4070 # define DEBUG_C_TEST DEBUG_C_TEST_
4071 # define DEBUG_A_TEST DEBUG_A_TEST_
4072 # define DEBUG_q_TEST DEBUG_q_TEST_
4073 # define DEBUG_M_TEST DEBUG_M_TEST_
4074 # define DEBUG_B_TEST DEBUG_B_TEST_
4075 # define DEBUG_L_TEST DEBUG_L_TEST_
4076 # define DEBUG_Xv_TEST DEBUG_Xv_TEST_
4077 # define DEBUG_Uv_TEST DEBUG_Uv_TEST_
4078 # define DEBUG_Pv_TEST DEBUG_Pv_TEST_
4080 # define PERL_DEB(a) a
4081 # define PERL_DEB2(a,b) a
4082 # define PERL_DEBUG(a) if (PL_debug) a
4083 # define DEBUG_p(a) if (DEBUG_p_TEST) a
4084 # define DEBUG_s(a) if (DEBUG_s_TEST) a
4085 # define DEBUG_l(a) if (DEBUG_l_TEST) a
4086 # define DEBUG_t(a) if (DEBUG_t_TEST) a
4087 # define DEBUG_o(a) if (DEBUG_o_TEST) a
4088 # define DEBUG_c(a) if (DEBUG_c_TEST) a
4089 # define DEBUG_P(a) if (DEBUG_P_TEST) a
4091 /* Temporarily turn off memory debugging in case the a
4092 * does memory allocation, either directly or indirectly. */
4093 # define DEBUG_m(a) \
4095 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
4098 # define DEBUG__(t, a) \
4100 if (t) STMT_START {a;} STMT_END; \
4103 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
4104 #ifndef PERL_EXT_RE_BUILD
4105 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
4107 # define DEBUG_r(a) STMT_START {a;} STMT_END
4108 #endif /* PERL_EXT_RE_BUILD */
4109 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
4110 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
4111 # define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
4112 # define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
4113 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
4114 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
4115 # define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
4116 # define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
4117 # define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
4119 # define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
4120 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
4121 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
4122 # define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
4123 # define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
4124 # define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
4125 # define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
4126 # define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
4127 # define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
4128 # define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
4130 #else /* DEBUGGING */
4132 # define DEBUG_p_TEST (0)
4133 # define DEBUG_s_TEST (0)
4134 # define DEBUG_l_TEST (0)
4135 # define DEBUG_t_TEST (0)
4136 # define DEBUG_o_TEST (0)
4137 # define DEBUG_c_TEST (0)
4138 # define DEBUG_P_TEST (0)
4139 # define DEBUG_m_TEST (0)
4140 # define DEBUG_f_TEST (0)
4141 # define DEBUG_r_TEST (0)
4142 # define DEBUG_x_TEST (0)
4143 # define DEBUG_u_TEST (0)
4144 # define DEBUG_U_TEST (0)
4145 # define DEBUG_H_TEST (0)
4146 # define DEBUG_X_TEST (0)
4147 # define DEBUG_D_TEST (0)
4148 # define DEBUG_S_TEST (0)
4149 # define DEBUG_T_TEST (0)
4150 # define DEBUG_R_TEST (0)
4151 # define DEBUG_J_TEST (0)
4152 # define DEBUG_v_TEST (0)
4153 # define DEBUG_C_TEST (0)
4154 # define DEBUG_A_TEST (0)
4155 # define DEBUG_q_TEST (0)
4156 # define DEBUG_M_TEST (0)
4157 # define DEBUG_B_TEST (0)
4158 # define DEBUG_L_TEST (0)
4159 # define DEBUG_Xv_TEST (0)
4160 # define DEBUG_Uv_TEST (0)
4161 # define DEBUG_Pv_TEST (0)
4163 # define PERL_DEB(a)
4164 # define PERL_DEB2(a,b) b
4165 # define PERL_DEBUG(a)
4192 # define DEBUG_Xv(a)
4193 # define DEBUG_Uv(a)
4194 # define DEBUG_Pv(a)
4195 #endif /* DEBUGGING */
4198 #define DEBUG_SCOPE(where) \
4200 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
4201 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
4202 __FILE__, __LINE__));
4204 /* Keep the old croak based assert for those who want it, and as a fallback if
4205 the platform is so heretically non-ANSI that it can't assert. */
4207 #define Perl_assert(what) PERL_DEB2( \
4208 ((what) ? ((void) 0) : \
4209 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
4210 "\", line %d", STRINGIFY(what), __LINE__), \
4211 (void) 0)), ((void)0))
4213 /* assert() gets defined if DEBUGGING (and I_ASSERT).
4214 * If no DEBUGGING, the <assert.h> has not been included. */
4216 # define assert(what) Perl_assert(what)
4219 # define assert_(what) assert(what),
4221 # define assert_(what)
4225 I32 (*uf_val)(pTHX_ IV, SV*);
4226 I32 (*uf_set)(pTHX_ IV, SV*);
4230 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
4231 * XS code wanting to be backward compatible can do something
4232 * like the following:
4234 #ifndef PERL_MG_UFUNC
4235 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
4238 static PERL_MG_UFUNC(foo_get, index, val)
4248 #ifndef PERL_MG_UFUNC
4249 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
4252 /* Fix these up for __STDC__ */
4253 #ifndef DONT_DECLARE_STD
4254 char *mktemp (char*);
4256 double atof (const char*);
4261 /* All of these are in stdlib.h or time.h for ANSI C */
4263 struct tm *gmtime(), *localtime();
4265 char *(strchr)(), *(strrchr)();
4266 char *(strcpy)(), *(strcat)();
4268 char *strchr(), *strrchr();
4269 char *strcpy(), *strcat();
4271 #endif /* ! STANDARD_C */
4277 /* isfinite and others are here rather than in math.h as C99 stipulates */
4282 double exp (double);
4283 double log (double);
4284 double log10 (double);
4285 double sqrt (double);
4286 double frexp (double,int*);
4287 double ldexp (double,int);
4288 double modf (double,double*);
4289 double sin (double);
4290 double cos (double);
4291 double atan2 (double,double);
4292 double pow (double,double);
4296 /* If you are thinking of using HUGE_VAL for infinity, or using
4297 * <math.h> functions to generate NV_INF (e.g. exp(1e9), log(-1.0)),
4298 * stop. Neither will work portably: HUGE_VAL can be just DBL_MAX,
4299 * and the math functions might be just generating DBL_MAX, or even
4302 #if !defined(NV_INF) && defined(USE_LONG_DOUBLE)
4303 # if !defined(NV_INF) && defined(LDBL_INFINITY)
4304 # define NV_INF LDBL_INFINITY
4306 # if !defined(NV_INF) && defined(INFINITYL)
4307 # define NV_INF INFINITYL
4310 #if !defined(NV_INF) && defined(DBL_INFINITY)
4311 # define NV_INF (NV)DBL_INFINITY
4313 #if !defined(NV_INF) && defined(INFINITY)
4314 # define NV_INF (NV)INFINITY
4316 #if !defined(NV_INF) && defined(INF)
4317 # define NV_INF (NV)INF
4319 #if !defined(NV_INF)
4321 /* At this point we assume the IEEE 754 floating point (and of course,
4322 * we also assume a floating point format that can encode an infinity).
4323 * We will coerce an int32 (which will encode the infinity) into
4324 * a 32-bit float, which will then be cast into NV.
4326 * Note that we intentionally use a float and 32-bit int, instead of
4327 * shifting a small integer into a full IV, and from that into a full
4330 * (1) an IV might not be wide enough to cover all the bits of an NV.
4331 * (2) the exponent part (including the infinity and nan bits) of a NV
4332 * might be wider than just 16 bits.
4334 * Below the NV_NAN logic has similar __PL_nan_u fallback, the only
4335 * difference being the int32 constant being coerced. */
4336 # define __PL_inf_float_int32 0x7F800000
4337 static const union { unsigned int __i; float __f; } __PL_inf_u =
4338 { __PL_inf_float_int32 };
4339 # define NV_INF ((NV)(__PL_inf_u.__f))
4342 #if !defined(NV_INF)
4343 # define NV_INF ((NV)1.0/0.0) /* Some compilers will warn. */
4346 #if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
4347 # if !defined(NV_NAN) && defined(LDBL_NAN)
4348 # define NV_NAN LDBL_NAN
4350 # if !defined(NV_NAN) && defined(NANL)
4351 # define NV_NAN NANL
4353 # if !defined(NV_NAN) && defined(LDBL_QNAN)
4354 # define NV_NAN LDBL_QNAN
4357 #if !defined(NV_NAN) && defined(DBL_NAN)
4358 # define NV_NAN (NV)DBL_NAN
4360 #if !defined(NV_NAN) && defined(DBL_QNAN)
4361 # define NV_NAN (NV)DBL_QNAN
4363 #if !defined(NV_NAN) && defined(NAN)
4364 # define NV_NAN (NV)NAN
4366 #if !defined(NV_NAN) && defined(QNAN)
4367 # define NV_NAN (NV)QNAN
4369 #if !defined(NV_NAN) && defined(USE_LONG_DOUBLE) && defined(I_SUNMATH)
4370 # define NV_NAN (NV)quiet_nan()
4372 #if !defined(NV_NAN)
4374 /* See the discussion near __PL_inf_u. */
4375 # define __PL_nan_float_int32 0x7FC00000
4376 static const union { unsigned int __i; float __f; } __PL_nan_u =
4377 { __PL_nan_float_int32 };
4378 # define NV_NAN ((NV)(__PL_nan_u.__f))
4381 #if !defined(NV_NAN)
4382 # define NV_NAN ((NV)0.0/0.0) /* Some compilers will warn. */
4384 /* Do NOT try doing NV_NAN based on NV_INF and trying (NV_INF-NV_INF).
4385 * Though IEEE-754-logically correct, some compilers (like Visual C 2003)
4386 * falsely misoptimize that to zero (x-x is zero, right?) */
4389 # if !defined(WIN32) && !defined(VMS)
4391 char *crypt (const char*, const char*);
4393 # endif /* !WIN32 */
4394 # ifndef DONT_DECLARE_STD
4396 char *getenv (const char*);
4397 # endif /* !getenv */
4398 # if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
4399 # ifdef _FILE_OFFSET_BITS
4400 # if _FILE_OFFSET_BITS == 64
4401 Off_t lseek (int,Off_t,int);
4405 # endif /* !DONT_DECLARE_STD */
4408 char *getlogin (void);
4410 # endif /* !WIN32 */
4411 #endif /* !__cplusplus */
4413 /* Fixme on VMS. This needs to be a run-time, not build time options */
4414 /* Also rename() is affected by this */
4415 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
4416 #define UNLINK unlnk
4417 I32 unlnk (pTHX_ const char*);
4419 #define UNLINK PerlLIO_unlink
4422 /* some versions of glibc are missing the setresuid() proto */
4423 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
4424 int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4426 /* some versions of glibc are missing the setresgid() proto */
4427 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
4428 int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4431 #ifndef HAS_SETREUID
4432 # ifdef HAS_SETRESUID
4433 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4434 # define HAS_SETREUID
4437 #ifndef HAS_SETREGID
4438 # ifdef HAS_SETRESGID
4439 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4440 # define HAS_SETREGID
4444 /* Sighandler_t defined in iperlsys.h */
4446 #ifdef HAS_SIGACTION
4447 typedef struct sigaction Sigsave_t;
4449 typedef Sighandler_t Sigsave_t;
4460 # define RUNOPS_DEFAULT Perl_runops_debug
4462 # define RUNOPS_DEFAULT Perl_runops_standard
4465 #if defined(USE_PERLIO)
4466 EXTERN_C void PerlIO_teardown(void);
4467 # ifdef USE_ITHREADS
4468 # define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4469 # define PERLIO_TERM \
4471 PerlIO_teardown(); \
4472 MUTEX_DESTROY(&PL_perlio_mutex);\
4475 # define PERLIO_INIT
4476 # define PERLIO_TERM PerlIO_teardown()
4479 # define PERLIO_INIT
4480 # define PERLIO_TERM
4484 # ifdef MUTEX_INIT_CALLS_MALLOC
4485 # define MALLOC_INIT \
4487 PL_malloc_mutex = NULL; \
4488 MUTEX_INIT(&PL_malloc_mutex); \
4490 # define MALLOC_TERM \
4492 perl_mutex tmp = PL_malloc_mutex; \
4493 PL_malloc_mutex = NULL; \
4494 MUTEX_DESTROY(&tmp); \
4497 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4498 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4501 # define MALLOC_INIT
4502 # define MALLOC_TERM
4505 #if defined(PERL_IMPLICIT_CONTEXT)
4507 struct perl_memory_debug_header;
4508 struct perl_memory_debug_header {
4510 # if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
4513 struct perl_memory_debug_header *prev;
4514 struct perl_memory_debug_header *next;
4515 # ifdef PERL_DEBUG_READONLY_COW
4520 #elif defined(PERL_DEBUG_READONLY_COW)
4522 struct perl_memory_debug_header;
4523 struct perl_memory_debug_header {
4529 #if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
4531 # define PERL_MEMORY_DEBUG_HEADER_SIZE \
4532 (sizeof(struct perl_memory_debug_header) + \
4533 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4534 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4537 # define PERL_MEMORY_DEBUG_HEADER_SIZE 0
4540 #ifdef PERL_TRACK_MEMPOOL
4541 # ifdef PERL_DEBUG_READONLY_COW
4542 # define INIT_TRACK_MEMPOOL(header, interp) \
4544 (header).interpreter = (interp); \
4545 (header).prev = (header).next = &(header); \
4546 (header).readonly = 0; \
4549 # define INIT_TRACK_MEMPOOL(header, interp) \
4551 (header).interpreter = (interp); \
4552 (header).prev = (header).next = &(header); \
4556 # define INIT_TRACK_MEMPOOL(header, interp)
4559 #ifdef I_MALLOCMALLOC
4560 /* Needed for malloc_size(), malloc_good_size() on some systems */
4561 # include <malloc/malloc.h>
4565 # define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
4567 # if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
4568 # ifdef PERL_TRACK_MEMPOOL
4569 # define Perl_safesysmalloc_size(where) \
4570 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4572 # define Perl_safesysmalloc_size(where) malloc_size(where)
4575 # ifdef HAS_MALLOC_GOOD_SIZE
4576 # ifdef PERL_TRACK_MEMPOOL
4577 # define Perl_malloc_good_size(how_much) \
4578 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4580 # define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4583 /* Having this as the identity operation makes some code simpler. */
4584 # define Perl_malloc_good_size(how_much) (how_much)
4588 typedef int (*runops_proc_t)(pTHX);
4589 typedef void (*share_proc_t) (pTHX_ SV *sv);
4590 typedef int (*thrhook_proc_t) (pTHX);
4591 typedef OP* (*PPADDR_t[]) (pTHX);
4592 typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4593 typedef void (*despatch_signals_proc_t) (pTHX);
4595 #if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4596 # include <crt_externs.h> /* for the env array */
4597 # define environ (*_NSGetEnviron())
4599 /* VMS and some other platforms don't use the environ array */
4600 # ifdef USE_ENVIRON_ARRAY
4601 # if !defined(DONT_DECLARE_STD) || \
4602 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
4604 extern char ** environ; /* environment variables supplied via exec */
4609 #define PERL_PATCHLEVEL_H_IMPLICIT
4610 #include "patchlevel.h"
4611 #undef PERL_PATCHLEVEL_H_IMPLICIT
4613 #define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4614 STRINGIFY(PERL_VERSION) "." \
4615 STRINGIFY(PERL_SUBVERSION)
4617 #define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4618 STRINGIFY(PERL_API_VERSION) "." \
4619 STRINGIFY(PERL_API_SUBVERSION)
4623 /* handy constants */
4624 EXTCONST char PL_warn_uninit[]
4625 INIT("Use of uninitialized value%s%s%s");
4626 EXTCONST char PL_warn_uninit_sv[]
4627 INIT("Use of uninitialized value%" SVf "%s%s");
4628 EXTCONST char PL_warn_nosemi[]
4629 INIT("Semicolon seems to be missing");
4630 EXTCONST char PL_warn_reserved[]
4631 INIT("Unquoted string \"%s\" may clash with future reserved word");
4632 EXTCONST char PL_warn_nl[]
4633 INIT("Unsuccessful %s on filename containing newline");
4634 EXTCONST char PL_no_wrongref[]
4635 INIT("Can't use %s ref as %s ref");
4636 /* The core no longer needs this here. If you require the string constant,
4637 please inline a copy into your own code. */
4638 EXTCONST char PL_no_symref[] __attribute__deprecated__
4639 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
4640 EXTCONST char PL_no_symref_sv[]
4641 INIT("Can't use string (\"%" SVf32 "\"%s) as %s ref while \"strict refs\" in use");
4643 EXTCONST char PL_no_usym[]
4644 INIT("Can't use an undefined value as %s reference");
4645 EXTCONST char PL_no_aelem[]
4646 INIT("Modification of non-creatable array value attempted, subscript %d");
4647 EXTCONST char PL_no_helem_sv[]
4648 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
4649 EXTCONST char PL_no_modify[]
4650 INIT("Modification of a read-only value attempted");
4651 EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
4652 INIT("Out of memory!\n");
4653 EXTCONST char PL_no_security[]
4654 INIT("Insecure dependency in %s%s");
4655 EXTCONST char PL_no_sock_func[]
4656 INIT("Unsupported socket function \"%s\" called");
4657 EXTCONST char PL_no_dir_func[]
4658 INIT("Unsupported directory function \"%s\" called");
4659 EXTCONST char PL_no_func[]
4660 INIT("The %s function is unimplemented");
4661 EXTCONST char PL_no_myglob[]
4662 INIT("\"%s\" %se %s can't be in a package");
4663 EXTCONST char PL_no_localize_ref[]
4664 INIT("Can't localize through a reference");
4665 EXTCONST char PL_memory_wrap[]
4666 INIT("panic: memory wrap");
4668 EXTCONST char PL_Yes[]
4670 EXTCONST char PL_No[]
4672 EXTCONST char PL_hexdigit[]
4673 INIT("0123456789abcdef0123456789ABCDEF");
4675 /* This is constant on most architectures, a global on OS/2 */
4677 EXTCONST char PL_sh_path[]
4678 INIT(SH_PATH); /* full path of shell */
4682 EXTCONST char PL_cshname[]
4684 # define PL_cshlen (sizeof(CSH "") - 1)
4687 /* These are baked at compile time into any shared perl library.
4688 In future releases this will allow us in main() to sanity test the
4689 library we're linking against. */
4691 EXTCONST U8 PL_revision
4692 INIT(PERL_REVISION);
4693 EXTCONST U8 PL_version
4695 EXTCONST U8 PL_subversion
4696 INIT(PERL_SUBVERSION);
4698 EXTCONST char PL_uuemap[65]
4699 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4702 EXTCONST char PL_uudmap[256] =
4704 # include "uuudmap.h"
4706 # include "uudmap.h"
4709 EXTCONST char PL_bitcount[256] =
4711 # include "ubitcount.h"
4713 # include "bitcount.h"
4716 EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4717 EXTCONST int PL_sig_num[] = { SIG_NUM };
4719 EXTCONST char PL_uudmap[256];
4720 EXTCONST char PL_bitcount[256];
4721 EXTCONST char* const PL_sig_name[];
4722 EXTCONST int PL_sig_num[];
4725 /* fast conversion and case folding tables. The folding tables complement the
4726 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4727 * folds such as outside the range or to multiple characters. */
4732 /* The EBCDIC fold table depends on the code page, and hence is found in
4735 EXTCONST unsigned char PL_fold[] = {
4736 0, 1, 2, 3, 4, 5, 6, 7,
4737 8, 9, 10, 11, 12, 13, 14, 15,
4738 16, 17, 18, 19, 20, 21, 22, 23,
4739 24, 25, 26, 27, 28, 29, 30, 31,
4740 32, 33, 34, 35, 36, 37, 38, 39,
4741 40, 41, 42, 43, 44, 45, 46, 47,
4742 48, 49, 50, 51, 52, 53, 54, 55,
4743 56, 57, 58, 59, 60, 61, 62, 63,
4744 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4745 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4746 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4747 'x', 'y', 'z', 91, 92, 93, 94, 95,
4748 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4749 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4750 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4751 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4752 128, 129, 130, 131, 132, 133, 134, 135,
4753 136, 137, 138, 139, 140, 141, 142, 143,
4754 144, 145, 146, 147, 148, 149, 150, 151,
4755 152, 153, 154, 155, 156, 157, 158, 159,
4756 160, 161, 162, 163, 164, 165, 166, 167,
4757 168, 169, 170, 171, 172, 173, 174, 175,
4758 176, 177, 178, 179, 180, 181, 182, 183,
4759 184, 185, 186, 187, 188, 189, 190, 191,
4760 192, 193, 194, 195, 196, 197, 198, 199,
4761 200, 201, 202, 203, 204, 205, 206, 207,
4762 208, 209, 210, 211, 212, 213, 214, 215,
4763 216, 217, 218, 219, 220, 221, 222, 223,
4764 224, 225, 226, 227, 228, 229, 230, 231,
4765 232, 233, 234, 235, 236, 237, 238, 239,
4766 240, 241, 242, 243, 244, 245, 246, 247,
4767 248, 249, 250, 251, 252, 253, 254, 255
4769 EXTCONST unsigned char PL_fold_latin1[] = {
4770 /* Full latin1 complement folding, except for three problematic code points:
4771 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4772 * fold complements outside the Latin1 range, so can't match something
4773 * that isn't in utf8.
4774 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4775 * not one, so can't be represented in this table.
4777 * All have to be specially handled */
4778 0, 1, 2, 3, 4, 5, 6, 7,
4779 8, 9, 10, 11, 12, 13, 14, 15,
4780 16, 17, 18, 19, 20, 21, 22, 23,
4781 24, 25, 26, 27, 28, 29, 30, 31,
4782 32, 33, 34, 35, 36, 37, 38, 39,
4783 40, 41, 42, 43, 44, 45, 46, 47,
4784 48, 49, 50, 51, 52, 53, 54, 55,
4785 56, 57, 58, 59, 60, 61, 62, 63,
4786 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4787 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4788 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4789 'x', 'y', 'z', 91, 92, 93, 94, 95,
4790 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4791 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4792 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4793 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4794 128, 129, 130, 131, 132, 133, 134, 135,
4795 136, 137, 138, 139, 140, 141, 142, 143,
4796 144, 145, 146, 147, 148, 149, 150, 151,
4797 152, 153, 154, 155, 156, 157, 158, 159,
4798 160, 161, 162, 163, 164, 165, 166, 167,
4799 168, 169, 170, 171, 172, 173, 174, 175,
4800 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4801 184, 185, 186, 187, 188, 189, 190, 191,
4802 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4803 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4804 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4805 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4806 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4807 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4808 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4809 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4810 255 /* y with diaeresis */
4813 /* If these tables are accessed through ebcdic, the access will be converted to
4815 EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4816 0, 1, 2, 3, 4, 5, 6, 7,
4817 8, 9, 10, 11, 12, 13, 14, 15,
4818 16, 17, 18, 19, 20, 21, 22, 23,
4819 24, 25, 26, 27, 28, 29, 30, 31,
4820 32, 33, 34, 35, 36, 37, 38, 39,
4821 40, 41, 42, 43, 44, 45, 46, 47,
4822 48, 49, 50, 51, 52, 53, 54, 55,
4823 56, 57, 58, 59, 60, 61, 62, 63,
4824 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4825 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4826 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4827 'x', 'y', 'z', 91, 92, 93, 94, 95,
4828 96, 97, 98, 99, 100, 101, 102, 103,
4829 104, 105, 106, 107, 108, 109, 110, 111,
4830 112, 113, 114, 115, 116, 117, 118, 119,
4831 120, 121, 122, 123, 124, 125, 126, 127,
4832 128, 129, 130, 131, 132, 133, 134, 135,
4833 136, 137, 138, 139, 140, 141, 142, 143,
4834 144, 145, 146, 147, 148, 149, 150, 151,
4835 152, 153, 154, 155, 156, 157, 158, 159,
4836 160, 161, 162, 163, 164, 165, 166, 167,
4837 168, 169, 170, 171, 172, 173, 174, 175,
4838 176, 177, 178, 179, 180, 181, 182, 183,
4839 184, 185, 186, 187, 188, 189, 190, 191,
4840 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4841 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4842 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4843 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4844 224, 225, 226, 227, 228, 229, 230, 231,
4845 232, 233, 234, 235, 236, 237, 238, 239,
4846 240, 241, 242, 243, 244, 245, 246, 247,
4847 248, 249, 250, 251, 252, 253, 254, 255
4850 /* upper and title case of latin1 characters, modified so that the three tricky
4851 * ones are mapped to 255 (which is one of the three) */
4852 EXTCONST unsigned char PL_mod_latin1_uc[] = {
4853 0, 1, 2, 3, 4, 5, 6, 7,
4854 8, 9, 10, 11, 12, 13, 14, 15,
4855 16, 17, 18, 19, 20, 21, 22, 23,
4856 24, 25, 26, 27, 28, 29, 30, 31,
4857 32, 33, 34, 35, 36, 37, 38, 39,
4858 40, 41, 42, 43, 44, 45, 46, 47,
4859 48, 49, 50, 51, 52, 53, 54, 55,
4860 56, 57, 58, 59, 60, 61, 62, 63,
4861 64, 65, 66, 67, 68, 69, 70, 71,
4862 72, 73, 74, 75, 76, 77, 78, 79,
4863 80, 81, 82, 83, 84, 85, 86, 87,
4864 88, 89, 90, 91, 92, 93, 94, 95,
4865 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4866 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4867 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4868 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4869 128, 129, 130, 131, 132, 133, 134, 135,
4870 136, 137, 138, 139, 140, 141, 142, 143,
4871 144, 145, 146, 147, 148, 149, 150, 151,
4872 152, 153, 154, 155, 156, 157, 158, 159,
4873 160, 161, 162, 163, 164, 165, 166, 167,
4874 168, 169, 170, 171, 172, 173, 174, 175,
4875 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4876 184, 185, 186, 187, 188, 189, 190, 191,
4877 192, 193, 194, 195, 196, 197, 198, 199,
4878 200, 201, 202, 203, 204, 205, 206, 207,
4879 208, 209, 210, 211, 212, 213, 214, 215,
4880 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4881 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4882 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4883 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4884 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4886 #endif /* !EBCDIC, but still in DOINIT */
4887 #else /* ! DOINIT */
4889 EXTCONST unsigned char PL_fold[];
4890 EXTCONST unsigned char PL_fold_latin1[];
4891 EXTCONST unsigned char PL_mod_latin1_uc[];
4892 EXTCONST unsigned char PL_latin1_lc[];
4896 #ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
4898 EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
4899 0, 1, 2, 3, 4, 5, 6, 7,
4900 8, 9, 10, 11, 12, 13, 14, 15,
4901 16, 17, 18, 19, 20, 21, 22, 23,
4902 24, 25, 26, 27, 28, 29, 30, 31,
4903 32, 33, 34, 35, 36, 37, 38, 39,
4904 40, 41, 42, 43, 44, 45, 46, 47,
4905 48, 49, 50, 51, 52, 53, 54, 55,
4906 56, 57, 58, 59, 60, 61, 62, 63,
4907 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4908 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4909 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4910 'x', 'y', 'z', 91, 92, 93, 94, 95,
4911 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4912 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4913 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4914 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4915 128, 129, 130, 131, 132, 133, 134, 135,
4916 136, 137, 138, 139, 140, 141, 142, 143,
4917 144, 145, 146, 147, 148, 149, 150, 151,
4918 152, 153, 154, 155, 156, 157, 158, 159,
4919 160, 161, 162, 163, 164, 165, 166, 167,