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 */
143 # ifndef PERLIO_FUNCS_CONST
144 # define PERLIO_FUNCS_CONST /* Can't have these lying around. */
147 # define PERL_GET_VARS() PL_VarsPtr
152 #define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
154 #ifdef PERL_GLOBAL_STRUCT
155 # define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
160 #ifdef PERL_IMPLICIT_CONTEXT
161 # ifndef MULTIPLICITY
162 # define MULTIPLICITY
164 # define tTHX PerlInterpreter*
165 # define pTHX tTHX my_perl PERL_UNUSED_DECL
166 # define aTHX my_perl
167 # define aTHXa(a) aTHX = (tTHX)a
168 # ifdef PERL_GLOBAL_STRUCT
169 # define dTHXa(a) dVAR; pTHX = (tTHX)a
171 # define dTHXa(a) pTHX = (tTHX)a
173 # ifdef PERL_GLOBAL_STRUCT
174 # define dTHX dVAR; pTHX = PERL_GET_THX
176 # define dTHX pTHX = PERL_GET_THX
190 # if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
191 # define PERL_TRACK_MEMPOOL
194 # undef PERL_TRACK_MEMPOOL
197 #define STATIC static
200 /* Do not use these macros. They were part of PERL_OBJECT, which was an
201 * implementation of multiplicity using C++ objects. They have been left
202 * here solely for the sake of XS code which has incorrectly
205 #define CPERLscope(x) x
206 #define CPERLarg void
209 #define PERL_OBJECT_THIS
210 #define _PERL_OBJECT_THIS
211 #define PERL_OBJECT_THIS_
212 #define CALL_FPTR(fptr) (*fptr)
213 #define MEMBER_TO_FPTR(name) name
214 #endif /* !PERL_CORE */
216 #define CALLRUNOPS PL_runops
218 #define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
220 #define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
221 #define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
222 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
223 (strbeg),(minend),(sv),(data),(flags))
224 #define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
225 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
226 (strend),(flags),(data))
227 #define CALLREG_INTUIT_STRING(prog) \
228 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
230 #define CALLREGFREE(prog) \
231 Perl_pregfree(aTHX_ (prog))
233 #define CALLREGFREE_PVT(prog) \
234 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
236 #define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
237 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
239 #define CALLREG_NUMBUF_STORE(rx,paren,value) \
240 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
242 #define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
243 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
245 #define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
246 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
248 #define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
249 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
251 #define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
252 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
254 #define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
255 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
257 #define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
258 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
260 #define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
261 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
263 #define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
264 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
266 #define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
267 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
269 #define CALLREG_NAMED_BUFF_COUNT(rx) \
270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
272 #define CALLREG_NAMED_BUFF_ALL(rx, flags) \
273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
275 #define CALLREG_PACKAGE(rx) \
276 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
278 #if defined(USE_ITHREADS)
279 #define CALLREGDUPE(prog,param) \
280 Perl_re_dup(aTHX_ (prog),(param))
282 #define CALLREGDUPE_PVT(prog,param) \
283 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
292 * Because of backward compatibility reasons the PERL_UNUSED_DECL
293 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
295 * Note that there are C compilers such as MetroWerks CodeWarrior
296 * which do not have an "inlined" way (like the gcc __attribute__) of
297 * marking unused variables (they need e.g. a #pragma) and therefore
298 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
299 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
303 #if defined(__SYMBIAN32__) && defined(__GNUC__)
305 # define PERL_UNUSED_DECL
307 # define PERL_UNUSED_DECL __attribute__((unused))
311 #ifndef PERL_UNUSED_DECL
312 # if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
313 # define PERL_UNUSED_DECL __attribute__unused__
315 # define PERL_UNUSED_DECL
320 * for silencing unused variables that are actually used most of the time,
321 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs,
322 * or variables/arguments that are used only in certain configurations.
324 #ifndef PERL_UNUSED_ARG
325 # if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
327 # define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
329 # define PERL_UNUSED_ARG(x) ((void)sizeof(x))
332 #ifndef PERL_UNUSED_VAR
333 # define PERL_UNUSED_VAR(x) ((void)sizeof(x))
336 #if defined(USE_ITHREADS) || defined(PERL_GLOBAL_STRUCT)
337 # define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
339 # define PERL_UNUSED_CONTEXT
342 /* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
343 * g++ allows them but seems to have problems with them
344 * (insane errors ensue).
345 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
347 #if defined(PERL_GCC_PEDANTIC) || \
348 (defined(__GNUC__) && defined(__cplusplus) && \
349 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
350 # ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
351 # define PERL_GCC_BRACE_GROUPS_FORBIDDEN
355 /* Use PERL_UNUSED_RESULT() to suppress the warnings about unused results
356 * of function calls, e.g. PERL_UNUSED_RESULT(foo(a, b)).
358 * The main reason for this is that the combination of gcc -Wunused-result
359 * (part of -Wall) and the __attribute__((warn_unused_result)) cannot
360 * be silenced with casting to void. This causes trouble when the system
361 * header files use the attribute.
363 * Use PERL_UNUSED_RESULT sparingly, though, since usually the warning
364 * is there for a good reason: you might lose success/failure information,
365 * or leak resources, or changes in resources.
367 * But sometimes you just want to ignore the return value, e.g. on
368 * codepaths soon ending up in abort, or in "best effort" attempts,
369 * or in situations where there is no good way to handle failures.
371 * Sometimes PERL_UNUSED_RESULT might not be the most natural way:
372 * another possibility is that you can capture the return value
373 * and use PERL_UNUSED_VAR on that.
375 * The __typeof__() is used instead of typeof() since typeof() is not
376 * available under strict C89, and because of compilers masquerading
377 * as gcc (clang and icc), we want exactly the gcc extension
378 * __typeof__ and nothing else.
380 #ifndef PERL_UNUSED_RESULT
381 # if defined(__GNUC__) && defined(HASATTRIBUTE_WARN_UNUSED_RESULT)
382 # define PERL_UNUSED_RESULT(v) STMT_START { __typeof__(v) z = (v); (void)sizeof(z); } STMT_END
384 # define PERL_UNUSED_RESULT(v) ((void)(v))
388 /* on gcc (and clang), specify that a warning should be temporarily
391 * GCC_DIAG_IGNORE(-Wmultichar);
395 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
397 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
398 * clang only pretends to be GCC 4.2, but still supports push/pop.
400 * Note on usage: on non-gcc (or lookalike, like clang) compilers
401 * one cannot use these at file (global) level without warnings
402 * since they are defined as empty, which leads into the terminating
403 * semicolon being left alone on a line:
405 * which makes compilers mildly cranky. Therefore at file level one
406 * should use the GCC_DIAG_IGNORE and GCC_DIAG_RESTORE_FILE *without*
409 * (A dead-on-arrival solution would be to try to define the macros as
410 * NOOP or dNOOP, those don't work both inside functions and outside.)
413 #if defined(__clang__) || defined(__clang) || \
414 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
415 # define GCC_DIAG_PRAGMA(x) _Pragma (#x)
416 /* clang has "clang diagnostic" pragmas, but also understands gcc. */
417 # define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
418 GCC_DIAG_PRAGMA(GCC diagnostic ignored #x)
419 # define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
421 # define GCC_DIAG_IGNORE(w)
422 # define GCC_DIAG_RESTORE
425 #define NOOP /*EMPTY*/(void)0
426 /* cea2e8a9dd23747f accidentally lost the comment originally from the first
427 check in of thread.h, explaining why we need dNOOP at all: */
428 /* Rats: if dTHR is just blank then the subsequent ";" throws an error */
429 /* Declaring a *function*, instead of a variable, ensures that we don't rely
430 on being able to suppress "unused" warnings. */
432 #define dNOOP (void)0
434 #define dNOOP extern int Perl___notused(void)
438 /* Don't bother defining tTHX ; using it outside
439 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
445 # define aTHXa(a) NOOP
446 # define dTHXa(a) dNOOP
464 /* these are only defined for compatibility; should not be used internally */
465 #if !defined(pTHXo) && !defined(PERL_CORE)
467 # define pTHXo_ pTHX_
469 # define aTHXo_ aTHX_
471 # define dTHXoa(x) dTHXa(x)
475 # define pTHXx PerlInterpreter *my_perl
476 # define pTHXx_ pTHXx,
477 # define aTHXx my_perl
478 # define aTHXx_ aTHXx,
482 /* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
483 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
484 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
485 #ifdef PERL_IMPLICIT_SYS
486 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
487 # define dTHXs dVAR; dTHX
492 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
499 /* Some platforms require marking function declarations
500 * for them to be exportable. Used in perlio.h, proto.h
501 * is handled either by the makedef.pl or by defining the
502 * PERL_CALLCONV to be something special. See also the
503 * definition of XS() in XSUB.h. */
504 #ifndef PERL_EXPORT_C
506 # define PERL_EXPORT_C extern "C"
508 # define PERL_EXPORT_C extern
511 #ifndef PERL_XS_EXPORT_C
513 # define PERL_XS_EXPORT_C extern "C"
515 # define PERL_XS_EXPORT_C
519 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
520 # ifndef PERL_USE_GCC_BRACE_GROUPS
521 # define PERL_USE_GCC_BRACE_GROUPS
526 * STMT_START { statements; } STMT_END;
527 * can be used as a single statement, as in
528 * if (x) STMT_START { ... } STMT_END; else ...
530 * Trying to select a version that gives no warnings...
532 #if !(defined(STMT_START) && defined(STMT_END))
533 # ifdef PERL_USE_GCC_BRACE_GROUPS
534 # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
537 # define STMT_START do
538 # define STMT_END while (0)
542 #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
543 # define BYTEORDER 0x1234
546 /* Overall memory policy? */
551 #if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
558 * The following contortions are brought to you on behalf of all the
559 * standards, semi-standards, de facto standards, not-so-de-facto standards
560 * of the world, as well as all the other botches anyone ever thought of.
561 * The basic theory is that if we work hard enough here, the rest of the
562 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
565 /* define this once if either system, instead of cluttering up the src */
566 #if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
570 #if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
571 # define STANDARD_C 1
574 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
575 # define DONT_DECLARE_STD 1
578 #if defined(HASVOLATILE) || defined(STANDARD_C)
579 # define VOL volatile
584 /* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
585 * you get a perl without taint support, but doubtlessly with a lesser
586 * degree of support. Do not do so unless you know exactly what it means
587 * technically, have a good reason to do so, and know exactly how the
588 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
589 * a potential security risk due to flat out ignoring the security-relevant
590 * taint flags. This being said, a perl without taint support compiled in
591 * has marginal run-time performance benefits.
592 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
593 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
594 * silently ignores -t/-T instead of throwing an exception.
596 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
597 * voids your nonexistent warranty!
599 #if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
600 # define NO_TAINT_SUPPORT 1
603 /* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
604 * operations into no-ops for a very modest speed-up. Enable only if you
605 * know what you're doing: tests and CPAN modules' tests are bound to fail.
607 #ifdef NO_TAINT_SUPPORT
609 # define TAINT_NOT NOOP
610 # define TAINT_IF(c) NOOP
611 # define TAINT_ENV() NOOP
612 # define TAINT_PROPER(s) NOOP
613 # define TAINT_set(s) NOOP
615 # define TAINTING_get 0
616 # define TAINTING_set(s) NOOP
617 # define TAINT_WARN_get 0
618 # define TAINT_WARN_set(s) NOOP
620 # define TAINT (PL_tainted = TRUE)
621 # define TAINT_NOT (PL_tainted = FALSE)
622 # define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
623 # define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
624 # define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
625 # define TAINT_set(s) (PL_tainted = (s))
626 # define TAINT_get (PL_tainted)
627 # define TAINTING_get (PL_tainting)
628 # define TAINTING_set(s) (PL_tainting = (s))
629 # define TAINT_WARN_get (PL_taint_warn)
630 # define TAINT_WARN_set(s) (PL_taint_warn = (s))
633 /* flags used internally only within pp_subst and pp_substcont */
635 # define SUBST_TAINT_STR 1 /* string tainted */
636 # define SUBST_TAINT_PAT 2 /* pattern tainted */
637 # define SUBST_TAINT_REPL 4 /* replacement tainted */
638 # define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
639 # define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
642 /* XXX All process group stuff is handled in pp_sys.c. Should these
643 defines move there? If so, I could simplify this a lot. --AD 9/96.
645 /* Process group stuff changed from traditional BSD to POSIX.
646 perlfunc.pod documents the traditional BSD-style syntax, so we'll
647 try to preserve that, if possible.
650 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
652 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
653 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
655 # ifdef HAS_SETPGRP2 /* DG/UX */
656 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
660 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
661 # define HAS_SETPGRP /* Well, effectively it does . . . */
664 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
665 our life easier :-) so we'll try it.
668 # define BSD_GETPGRP(pid) getpgid((pid))
670 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
671 # define BSD_GETPGRP(pid) getpgrp((pid))
673 # ifdef HAS_GETPGRP2 /* DG/UX */
674 # define BSD_GETPGRP(pid) getpgrp2((pid))
678 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
679 # define HAS_GETPGRP /* Well, effectively it does . . . */
682 /* These are not exact synonyms, since setpgrp() and getpgrp() may
683 have different behaviors, but perl.h used to define USE_BSDPGRP
684 (prior to 5.003_05) so some extension might depend on it.
686 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
692 /* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
693 pthread.h must be included before all other header files.
695 #if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
696 # include <pthread.h>
699 #include <sys/types.h>
711 # include <varargs.h>
721 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
733 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
735 # define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
737 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
738 && defined(HAS_STRXFRM)
739 # define USE_LOCALE_COLLATE
741 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
742 # define USE_LOCALE_CTYPE
744 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
745 # define USE_LOCALE_NUMERIC
747 # if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
748 # define USE_LOCALE_MESSAGES
750 # if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
751 # define USE_LOCALE_MONETARY
753 # if !defined(NO_LOCALE_TIME) && defined(LC_TIME)
754 # define USE_LOCALE_TIME
756 # ifndef WIN32 /* No wrapper except on Windows */
757 # define my_setlocale(a,b) setlocale(a,b)
759 #endif /* !NO_LOCALE && HAS_SETLOCALE */
764 # ifdef PARAM_NEEDS_TYPES
765 # include <sys/types.h>
767 # include <sys/param.h>
770 /* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
771 value something like 199306. This may be useful if no more-specific
772 feature test is available.
780 /* Use all the "standard" definitions? */
781 #if defined(STANDARD_C) && defined(I_STDLIB)
785 /* If this causes problems, set i_unistd=undef in the hint file. */
792 # include <sys/wait.h>
796 # undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
799 #if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
800 EXTERN_C int syscall(int, ...);
803 #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
804 EXTERN_C int usleep(unsigned int);
809 /* macros for correct constant construction */
811 # define U16_CONST(x) ((U16)x##U)
813 # define U16_CONST(x) ((U16)x##UL)
817 # define U32_CONST(x) ((U32)x##U)
819 # define U32_CONST(x) ((U32)x##UL)
824 # define U64_CONST(x) ((U64)x##U)
826 # define U64_CONST(x) ((U64)x##UL)
827 # elif QUADKIND == QUAD_IS_LONG_LONG
828 # define U64_CONST(x) ((U64)x##ULL)
829 # elif QUADKIND == QUAD_IS___INT64
830 # define U64_CONST(x) ((U64)x##UI64)
831 # else /* best guess we can make */
832 # define U64_CONST(x) ((U64)x##UL)
836 /* byte-swapping functions for big-/little-endian conversion */
837 # define _swab_16_(x) ((U16)( \
838 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
839 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
841 # define _swab_32_(x) ((U32)( \
842 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
843 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
844 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
845 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
848 # define _swab_64_(x) ((U64)( \
849 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
850 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
851 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
852 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
853 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
854 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
855 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
856 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
859 /* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
860 at least on FreeBSD. YMMV, so experiment. */
861 #ifndef PERL_ARENA_SIZE
862 #define PERL_ARENA_SIZE 4080
865 /* Maximum level of recursion */
866 #ifndef PERL_SUB_DEPTH_WARN
867 #define PERL_SUB_DEPTH_WARN 100
870 #endif /* PERL_CORE */
872 /* We no longer default to creating a new SV for GvSV.
873 Do this before embed. */
874 #ifndef PERL_CREATE_GVSV
875 # ifndef PERL_DONT_CREATE_GVSV
876 # define PERL_DONT_CREATE_GVSV
880 #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
881 #define PERL_USES_PL_PIDSTATUS
884 #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
885 #define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
888 #define MEM_SIZE Size_t
890 /* Round all values passed to malloc up, by default to a multiple of
893 #ifndef PERL_STRLEN_ROUNDUP_QUANTUM
894 #define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
897 /* sv_grow() will expand strings by at least a certain percentage of
898 the previously *used* length to avoid excessive calls to realloc().
899 The default is 25% of the current length.
901 #ifndef PERL_STRLEN_EXPAND_SHIFT
902 # define PERL_STRLEN_EXPAND_SHIFT 2
905 #if defined(STANDARD_C) && defined(I_STDDEF) && !defined(PERL_GCC_PEDANTIC)
907 # define STRUCT_OFFSET(s,m) offsetof(s,m)
909 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
912 /* ptrdiff_t is C11, so undef it under pedantic builds */
913 #ifdef PERL_GCC_PEDANTIC
914 # undef HAS_PTRDIFF_T
917 #ifndef __SYMBIAN32__
918 # if defined(I_STRING) || defined(__cplusplus)
921 # include <strings.h>
925 /* This comes after <stdlib.h> so we don't try to change the standard
926 * library prototypes; we'll use our own in proto.h instead. */
929 # ifdef PERL_POLLUTE_MALLOC
930 # ifndef PERL_EXTMALLOC_DEF
931 # define Perl_malloc malloc
932 # define Perl_calloc calloc
933 # define Perl_realloc realloc
934 # define Perl_mfree free
937 # define EMBEDMYMALLOC /* for compatibility */
940 # define safemalloc Perl_malloc
941 # define safecalloc Perl_calloc
942 # define saferealloc Perl_realloc
943 # define safefree Perl_mfree
944 # define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
945 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
948 # define CHECK_MALLOC_TOO_LATE_FOR(ch) \
949 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
950 # define panic_write2(s) write(2, s, strlen(s))
951 # define CHECK_MALLOC_TAINT(newval) \
952 CHECK_MALLOC_TOO_LATE_FOR_( \
954 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
956 # define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
957 if (doing_taint(argc,argv,env)) { \
958 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
961 # define safemalloc safesysmalloc
962 # define safecalloc safesyscalloc
963 # define saferealloc safesysrealloc
964 # define safefree safesysfree
965 # define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
966 # define CHECK_MALLOC_TAINT(newval) ((void)0)
967 # define MALLOC_CHECK_TAINT(argc,argv,env)
968 #endif /* MYMALLOC */
970 /* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
971 #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)
972 #define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
973 #define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
974 #define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
976 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
978 #define strrchr rindex
986 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
988 extern char * memcpy (char*, char*, int);
994 # define memcpy(d,s,l) bcopy(s,d,l)
996 # define memcpy(d,s,l) my_bcopy(s,d,l)
999 #endif /* HAS_MEMCPY */
1002 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
1004 extern char *memset (char*, int, int);
1009 # define memset(d,c,l) my_memset(d,c,l)
1010 #endif /* HAS_MEMSET */
1012 #if !defined(HAS_MEMMOVE) && !defined(memmove)
1013 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
1014 # define memmove(d,s,l) bcopy(s,d,l)
1016 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
1017 # define memmove(d,s,l) memcpy(d,s,l)
1019 # define memmove(d,s,l) my_bcopy(s,d,l)
1024 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
1028 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
1029 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
1031 extern int memcmp (char*, char*, int);
1036 # define memcmp my_memcmp
1038 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
1042 # define memzero(d,l) memset(d,0,l)
1045 # define memzero(d,l) bzero(d,l)
1047 # define memzero(d,l) my_bzero(d,l)
1055 # define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1062 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
1064 #endif /* !HAS_BCMP */
1067 # include <netinet/in.h>
1071 # include <arpa/inet.h>
1075 # include <sys/stat.h>
1078 /* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1079 This definition should ideally go into win32/win32.h, but S_IFIFO is
1080 used later here in perl.h before win32/win32.h is being included. */
1081 #if !defined(S_IFIFO) && defined(_S_IFIFO)
1082 # define S_IFIFO _S_IFIFO
1085 /* The stat macros for Unisoft System V/88 (and derivatives
1086 like UTekV) are broken, sometimes giving false positives. Undefine
1087 them here and let the code below set them to proper values.
1089 The ghs macro stands for GreenHills Software C-1.8.5 which
1090 is the C compiler for sysV88 and the various derivatives.
1091 This header file bug is corrected in gcc-2.5.8 and later versions.
1092 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1094 #if defined(m88k) && defined(ghs)
1108 # ifdef I_SYS_TIME_KERNEL
1111 # include <sys/time.h>
1112 # ifdef I_SYS_TIME_KERNEL
1117 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
1118 # include <sys/times.h>
1121 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
1122 # undef HAS_STRERROR
1127 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
1128 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1131 /* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1132 * This is important for using IPv6.
1133 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1134 * a bad idea since it breaks send() and recv(). */
1135 #if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1136 # define _SOCKADDR_LEN
1139 #if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1140 # include <sys/socket.h>
1141 # if defined(USE_SOCKS) && defined(I_SOCKS)
1142 # if !defined(INCLUDE_PROTOTYPES)
1143 # define INCLUDE_PROTOTYPES /* for <socks.h> */
1144 # define PERL_SOCKS_NEED_PROTOTYPES
1147 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1148 # undef INCLUDE_PROTOTYPES
1149 # undef PERL_SOCKS_NEED_PROTOTYPES
1160 # include <net/errno.h>
1165 /* sockatmark() is so new (2001) that many places might have it hidden
1166 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1167 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
1168 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
1169 # if defined(__THROW) && defined(__GLIBC__)
1170 int sockatmark(int) __THROW;
1172 int sockatmark(int);
1176 #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. */
1177 EXTERN_C int fchdir(int);
1178 EXTERN_C int flock(int, int);
1179 EXTERN_C int fseeko(FILE *, off_t, int);
1180 EXTERN_C off_t ftello(FILE *);
1183 #if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1184 EXTERN_C char *crypt(const char *, const char *);
1185 EXTERN_C char **environ;
1188 #if defined(__cplusplus)
1189 # if defined(BSDish)
1190 EXTERN_C char **environ;
1191 # elif defined(__CYGWIN__)
1192 EXTERN_C char *crypt(const char *, const char *);
1197 # undef SETERRNO /* SOCKS might have defined this */
1201 # define SETERRNO(errcode,vmserrcode) \
1203 set_errno(errcode); \
1204 set_vaxc_errno(vmserrcode); \
1206 # define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1207 # define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1208 # define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1209 # define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1211 # define LIB_INVARG LIB$_INVARG
1212 # define RMS_DIR RMS$_DIR
1213 # define RMS_FAC RMS$_FAC
1214 # define RMS_FEX RMS$_FEX
1215 # define RMS_FNF RMS$_FNF
1216 # define RMS_IFI RMS$_IFI
1217 # define RMS_ISI RMS$_ISI
1218 # define RMS_PRV RMS$_PRV
1219 # define SS_ACCVIO SS$_ACCVIO
1220 # define SS_DEVOFFLINE SS$_DEVOFFLINE
1221 # define SS_IVCHAN SS$_IVCHAN
1222 # define SS_NORMAL SS$_NORMAL
1223 # define SS_NOPRIV SS$_NOPRIV
1225 # define LIB_INVARG 0
1233 # define SS_ACCVIO 0
1234 # define SS_DEVOFFLINE 0
1235 # define SS_IVCHAN 0
1236 # define SS_NORMAL 0
1237 # define SS_NOPRIV 0
1241 # define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1242 # define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1243 # define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1244 # define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1248 # define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1249 # define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1250 # define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1251 # define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1255 # define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1259 # define dSAVEDERRNO int saved_errno
1260 # define dSAVE_ERRNO int saved_errno = errno
1261 # define SAVE_ERRNO (saved_errno = errno)
1262 # define RESTORE_ERRNO (errno = saved_errno)
1265 #define ERRSV GvSVn(PL_errgv)
1267 #define CLEAR_ERRSV() STMT_START { \
1268 if (!GvSV(PL_errgv)) { \
1269 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1270 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1271 SvREFCNT_dec(GvSV(PL_errgv)); \
1272 GvSV(PL_errgv) = newSVpvs(""); \
1274 SV *const errsv = GvSV(PL_errgv); \
1275 sv_setpvs(errsv, ""); \
1276 if (SvMAGICAL(errsv)) { \
1279 SvPOK_only(errsv); \
1285 # define DEFSV (0 + GvSVn(PL_defgv))
1286 # define DEFSV_set(sv) \
1287 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1288 # define SAVE_DEFSV \
1290 save_gp(PL_defgv, 0), \
1291 GvINTRO_off(PL_defgv), \
1292 SAVEGENERICSV(GvSV(PL_defgv)), \
1293 GvSV(PL_defgv) = NULL \
1296 # define DEFSV GvSVn(PL_defgv)
1297 # define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1298 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
1302 extern int errno; /* ANSI allows errno to be an lvalue expr.
1303 * For example in multithreaded environments
1304 * something like this might happen:
1305 * extern int *_errno(void);
1306 * #define errno (*_errno()) */
1309 #define UNKNOWN_ERRNO_MSG "(unknown)"
1312 # ifndef DONT_DECLARE_STD
1314 char *strerror (int,...);
1316 char *strerror (int);
1320 # define Strerror strerror
1323 # ifdef HAS_SYS_ERRLIST
1324 extern int sys_nerr;
1325 extern char *sys_errlist[];
1327 # define Strerror(e) \
1328 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
1335 # include <sys/ioctl.h>
1339 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
1340 # ifdef HAS_SOCKETPAIR
1341 # undef HAS_SOCKETPAIR
1348 #ifndef HAS_SOCKETPAIR
1350 # define socketpair Perl_my_socketpair
1355 # define htoni htons
1356 # define ntohi ntohs
1358 # define htoni htonl
1359 # define ntohi ntohl
1362 /* Configure already sets Direntry_t */
1363 #if defined(I_DIRENT)
1364 # include <dirent.h>
1367 # include <sys/ndir.h>
1371 # include <ndir.h> /* may be wrong in the future */
1373 # include <sys/dir.h>
1380 * The following gobbledygook brought to you on behalf of __STDC__.
1381 * (I could just use #ifndef __STDC__, but this is more bulletproof
1382 * in the face of half-implementations.)
1385 #if defined(I_SYSMODE)
1386 #include <sys/mode.h>
1391 # define S_IFMT _S_IFMT
1393 # define S_IFMT 0170000
1398 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1402 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1407 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1409 # define S_ISBLK(m) (0)
1414 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1419 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1421 # define S_ISFIFO(m) (0)
1427 # define S_ISLNK(m) _S_ISLNK(m)
1430 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1433 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1435 # define S_ISLNK(m) (0)
1443 # define S_ISSOCK(m) _S_ISSOCK(m)
1446 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1449 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1451 # define S_ISSOCK(m) (0)
1459 # define S_IRUSR S_IREAD
1460 # define S_IWUSR S_IWRITE
1461 # define S_IXUSR S_IEXEC
1463 # define S_IRUSR 0400
1464 # define S_IWUSR 0200
1465 # define S_IXUSR 0100
1471 # define S_IRGRP (S_IRUSR>>3)
1472 # define S_IWGRP (S_IWUSR>>3)
1473 # define S_IXGRP (S_IXUSR>>3)
1475 # define S_IRGRP 0040
1476 # define S_IWGRP 0020
1477 # define S_IXGRP 0010
1483 # define S_IROTH (S_IRUSR>>6)
1484 # define S_IWOTH (S_IWUSR>>6)
1485 # define S_IXOTH (S_IXUSR>>6)
1487 # define S_IROTH 0040
1488 # define S_IWOTH 0020
1489 # define S_IXOTH 0010
1494 # define S_ISUID 04000
1498 # define S_ISGID 02000
1502 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
1506 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
1510 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
1513 /* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1514 * which would get included through <sys/file.h >, but that is 3000
1515 * lines in the future. --jhi */
1517 #if !defined(S_IREAD) && !defined(__HAIKU__)
1518 # define S_IREAD S_IRUSR
1521 #if !defined(S_IWRITE) && !defined(__HAIKU__)
1522 # define S_IWRITE S_IWUSR
1526 # define S_IEXEC S_IXUSR
1529 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
1530 # define SLOPPYDIVIDE
1537 /* For the times when you want the return value of sprintf, and you want it
1538 to be the length. Can't have a thread variable passed in, because C89 has
1541 #ifdef SPRINTF_RETURNS_STRLEN
1542 # define my_sprintf sprintf
1544 # define my_sprintf Perl_my_sprintf
1548 * If we have v?snprintf() and the C99 variadic macros, we can just
1549 * use just the v?snprintf(). It is nice to try to trap the buffer
1550 * overflow, however, so if we are DEBUGGING, and we cannot use the
1551 * gcc statement expressions, then use the function wrappers which try
1552 * to trap the overflow. If we can use the gcc statement expressions,
1553 * we can try that even with the version that uses the C99 variadic
1557 /* Note that we do not check against snprintf()/vsnprintf() returning
1558 * negative values because that is non-standard behaviour and we use
1559 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1560 * that should be true only if the snprintf()/vsnprintf() are true
1561 * to the standard. */
1563 #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
1566 # define my_snprintf Perl_my_snprintf
1567 # define PERL_MY_SNPRINTF_GUARDED
1569 #if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1570 # ifdef PERL_USE_GCC_BRACE_GROUPS
1571 # define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1572 # define PERL_MY_SNPRINTF_GUARDED
1574 # define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
1577 # define my_snprintf Perl_my_snprintf
1578 # define PERL_MY_SNPRINTF_GUARDED
1582 /* There is no quadmath_vsnprintf, and therefore my_vsnprintf()
1583 * dies if called under USE_QUADMATH. */
1584 #if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1585 # ifdef PERL_USE_GCC_BRACE_GROUPS
1586 # define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1587 # define PERL_MY_VSNPRINTF_GUARDED
1589 # define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
1592 # define my_vsnprintf Perl_my_vsnprintf
1593 # define PERL_MY_VSNPRINTF_GUARDED
1596 /* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1597 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1598 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1599 * completely ignore it: otherwise you cannot know whether your output
1602 * int len = my_sprintf(buf, max, ...);
1603 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1605 * The trick is that in certain platforms [a] the my_sprintf() already
1606 * contains the sanity check, while in certain platforms [b] it needs
1607 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1608 * platforms the POST_GUARD actually does nothing since the check has
1609 * already been done. Watch out for the max being the same in both calls.
1611 * If you actually use the snprintf/vsnprintf return value already,
1612 * you assumedly are checking its validity somehow. But you can
1613 * insert the POST_GUARD() also in that case. */
1615 #ifndef PERL_MY_SNPRINTF_GUARDED
1616 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1618 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1621 #ifndef PERL_MY_VSNPRINTF_GUARDED
1622 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1624 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1628 # define my_strlcat strlcat
1630 # define my_strlcat Perl_my_strlcat
1634 # define my_strlcpy strlcpy
1636 # define my_strlcpy Perl_my_strlcpy
1640 The IV type is supposed to be long enough to hold any integral
1642 --Andy Dougherty August 1996
1648 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
1649 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
1650 # define IV_MAX INT64_MAX
1651 # define IV_MIN INT64_MIN
1652 # define UV_MAX UINT64_MAX
1654 # define UINT64_MIN 0
1656 # define UV_MIN UINT64_MIN
1658 # define IV_MAX PERL_QUAD_MAX
1659 # define IV_MIN PERL_QUAD_MIN
1660 # define UV_MAX PERL_UQUAD_MAX
1661 # define UV_MIN PERL_UQUAD_MIN
1666 # if defined(INT32_MAX) && IVSIZE == 4
1667 # define IV_MAX INT32_MAX
1668 # define IV_MIN INT32_MIN
1669 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1670 # define UV_MAX UINT32_MAX
1672 # define UV_MAX 4294967295U
1675 # define UINT32_MIN 0
1677 # define UV_MIN UINT32_MIN
1679 # define IV_MAX PERL_LONG_MAX
1680 # define IV_MIN PERL_LONG_MIN
1681 # define UV_MAX PERL_ULONG_MAX
1682 # define UV_MIN PERL_ULONG_MIN
1693 #if !defined(PERL_CORE) || defined(USING_MSVC6)
1694 /* We think that removing this decade-old undef this will cause too much
1695 breakage on CPAN for too little gain. (See RT #119753)
1696 However, we do need HAS_QUAD in the core for use by the drand48 code,
1697 but not for Win32 VC6 because it has poor __int64 support. */
1703 #define Size_t_MAX (~(Size_t)0)
1704 #define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1)
1706 #define IV_DIG (BIT_DIGITS(IVSIZE * 8))
1707 #define UV_DIG (BIT_DIGITS(UVSIZE * 8))
1709 #ifndef NO_PERL_PRESERVE_IVUV
1710 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
1714 * The macros INT2PTR and NUM2PTR are (despite their names)
1715 * bi-directional: they will convert int/float to or from pointers.
1716 * However the conversion to int/float are named explicitly:
1717 * PTR2IV, PTR2UV, PTR2NV.
1719 * For int conversions we do not need two casts if pointers are
1720 * the same size as IV and UV. Otherwise we need an explicit
1721 * cast (PTRV) to avoid compiler warnings.
1723 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1725 # define INT2PTR(any,d) (any)(d)
1727 # if PTRSIZE == LONGSIZE
1728 # define PTRV unsigned long
1729 # define PTR2ul(p) (unsigned long)(p)
1731 # define PTRV unsigned
1736 # define INT2PTR(any,d) (any)(PTRV)(d)
1740 # define PTR2ul(p) INT2PTR(unsigned long,p)
1743 #define NUM2PTR(any,d) (any)(PTRV)(d)
1744 #define PTR2IV(p) INT2PTR(IV,p)
1745 #define PTR2UV(p) INT2PTR(UV,p)
1746 #define PTR2NV(p) NUM2PTR(NV,p)
1747 #define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
1749 /* According to strict ANSI C89 one cannot freely cast between
1750 * data pointers and function (code) pointers. There are at least
1751 * two ways around this. One (used below) is to do two casts,
1752 * first the other pointer to an (unsigned) integer, and then
1753 * the integer to the other pointer. The other way would be
1754 * to use unions to "overlay" the pointers. For an example of
1755 * the latter technique, see union dirpu in struct xpvio in sv.h.
1756 * The only feasible use is probably temporarily storing
1757 * function pointers in a data pointer (such as a void pointer). */
1759 #define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1760 #define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
1762 #ifdef USE_LONG_DOUBLE
1763 # if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1764 # define LONG_DOUBLE_EQUALS_DOUBLE
1766 # if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
1767 # undef USE_LONG_DOUBLE /* Ouch! */
1772 /* Use an overridden DBL_DIG */
1776 # define DBL_DIG OVR_DBL_DIG
1778 /* The following is all to get DBL_DIG, in order to pick a nice
1779 default value for printing floating point numbers in Gconvert
1780 (see config.h). (It also has other uses, such as figuring out if
1781 a given precision of printing can be done with a double instead of
1782 a long double - Allen).
1791 #define DBL_DIG 15 /* A guess that works lots of places */
1796 /* Use an overridden LDBL_DIG */
1800 # define LDBL_DIG OVR_LDBL_DIG
1802 /* The following is all to get LDBL_DIG, in order to pick a nice
1803 default value for printing floating point numbers in Gconvert.
1807 # include <limits.h>
1812 # ifndef HAS_LDBL_DIG
1813 # if LONG_DOUBLESIZE == 10
1814 # define LDBL_DIG 18 /* assume IEEE */
1816 # if LONG_DOUBLESIZE == 12
1817 # define LDBL_DIG 18 /* gcc? */
1819 # if LONG_DOUBLESIZE == 16
1820 # define LDBL_DIG 33 /* assume IEEE */
1822 # if LONG_DOUBLESIZE == DOUBLESIZE
1823 # define LDBL_DIG DBL_DIG /* bummer */
1832 * This is for making sure we have a good DBL_MAX value, if possible,
1833 * either for usage as NV_MAX or for usage in figuring out if we can
1834 * fit a given long double into a double, if bug-fixing makes it
1835 * necessary to do so. - Allen <allens@cpan.org>
1839 # include <limits.h>
1843 # if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1844 # include <values.h>
1845 # if defined(MAXDOUBLE) && !defined(DBL_MAX)
1846 # define DBL_MAX MAXDOUBLE
1848 # if defined(MINDOUBLE) && !defined(DBL_MIN)
1849 # define DBL_MIN MINDOUBLE
1852 #endif /* defined(I_VALUES) */
1857 # include <ieeefp.h>
1861 /* VC6 has broken NaN semantics: NaN == NaN returns true instead of false,
1862 * and for example NaN < IV_MIN. */
1863 #define NAN_COMPARE_BROKEN 1
1866 #ifdef USE_LONG_DOUBLE
1868 # include <sunmath.h>
1870 # if defined(USE_QUADMATH) && defined(I_QUADMATH)
1871 # include <quadmath.h>
1874 # define NV_DIG FLT128_DIG
1875 # define NV_MANT_DIG FLT128_MANT_DIG
1876 # define NV_MIN FLT128_MIN
1877 # define NV_MAX FLT128_MAX
1878 # define NV_MIN_EXP FLT128_MIN_EXP
1879 # define NV_MAX_EXP FLT128_MAX_EXP
1880 # define NV_EPSILON FLT128_EPSILON
1881 # define NV_MIN_10_EXP FLT128_MIN_10_EXP
1882 # define NV_MAX_10_EXP FLT128_MAX_10_EXP
1883 # define NV_INF HUGE_VALQ
1884 # define NV_NAN nanq("0")
1885 # elif defined(LDBL_DIG)
1886 # define NV_DIG LDBL_DIG
1887 # ifdef LDBL_MANT_DIG
1888 # define NV_MANT_DIG LDBL_MANT_DIG
1891 # define NV_MIN LDBL_MIN
1894 # define NV_MAX LDBL_MAX
1896 # ifdef LDBL_MIN_EXP
1897 # define NV_MIN_EXP LDBL_MIN_EXP
1899 # ifdef LDBL_MAX_EXP
1900 # define NV_MAX_EXP LDBL_MAX_EXP
1902 # ifdef LDBL_MIN_10_EXP
1903 # define NV_MIN_10_EXP LDBL_MIN_10_EXP
1905 # ifdef LDBL_MAX_10_EXP
1906 # define NV_MAX_10_EXP LDBL_MAX_10_EXP
1908 # ifdef LDBL_EPSILON
1909 # define NV_EPSILON LDBL_EPSILON
1912 # define NV_MAX LDBL_MAX
1913 /* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
1916 # define NV_MAX HUGE_VALL
1920 # if defined(USE_QUADMATH) && defined(I_QUADMATH)
1921 # define Perl_acos acosq
1922 # define Perl_asin asinq
1923 # define Perl_atan atanq
1924 # define Perl_atan2 atan2q
1925 # define Perl_ceil ceilq
1926 # define Perl_cos cosq
1927 # define Perl_cosh coshq
1928 # define Perl_exp expq
1929 /* no Perl_fabs, but there's PERL_ABS */
1930 # define Perl_floor floorq
1931 # define Perl_fmod fmodq
1932 # define Perl_log logq
1933 # define Perl_log10 log10q
1934 # define Perl_pow powq
1935 # define Perl_sin sinq
1936 # define Perl_sinh sinhq
1937 # define Perl_sqrt sqrtq
1938 # define Perl_tan tanq
1939 # define Perl_tanh tanhq
1940 # define Perl_modf(x,y) modfq(x,y)
1941 # define Perl_frexp(x,y) frexpq(x,y)
1942 # define Perl_ldexp(x, y) ldexpq(x,y)
1943 # define Perl_isinf(x) isinfq(x)
1944 # define Perl_isnan(x) isnanq(x)
1945 # define Perl_isfinite(x) !(isnanq(x) || isinfq(x))
1946 # elif defined(HAS_SQRTL)
1947 # define Perl_acos acosl
1948 # define Perl_asin asinl
1949 # define Perl_atan atanl
1950 # define Perl_atan2 atan2l
1951 # define Perl_ceil ceill
1952 # define Perl_cos cosl
1953 # define Perl_cosh coshl
1954 # define Perl_exp expl
1955 /* no Perl_fabs, but there's PERL_ABS */
1956 # define Perl_floor floorl
1957 # define Perl_fmod fmodl
1958 # define Perl_log logl
1959 # define Perl_log10 log10l
1960 # define Perl_pow powl
1961 # define Perl_sin sinl
1962 # define Perl_sinh sinhl
1963 # define Perl_sqrt sqrtl
1964 # define Perl_tan tanl
1965 # define Perl_tanh tanhl
1967 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1970 # define Perl_modf(x,y) modfl(x,y)
1971 /* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1972 prototype in <math.h> */
1973 # ifndef HAS_MODFL_PROTO
1974 EXTERN_C long double modfl(long double, long double *);
1976 # elif (defined(HAS_TRUNCL) || defined(HAS_AINTL)) && defined(HAS_COPYSIGNL)
1977 extern long double Perl_my_modfl(long double x, long double *ip);
1978 # define Perl_modf(x,y) Perl_my_modfl(x,y)
1983 # define Perl_frexp(x,y) frexpl(x,y)
1985 # if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1986 extern long double Perl_my_frexpl(long double x, int *e);
1987 # define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1993 # define Perl_ldexp(x, y) ldexpl(x,y)
1995 # if defined(HAS_SCALBNL) && FLT_RADIX == 2
1996 # define Perl_ldexp(x,y) scalbnl(x,y)
2001 # if defined(HAS_ISNANL) && !(defined(isnan) && defined(HAS_C99))
2002 # define Perl_isnan(x) isnanl(x)
2006 # if defined(HAS_ISINFL) && !(defined(isinf) && defined(HAS_C99))
2007 # define Perl_isinf(x) isinfl(x)
2008 # elif defined(LDBL_MAX)
2009 # define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX)
2012 # ifndef Perl_isfinite
2013 # define Perl_isfinite(x) Perl_isfinitel(x)
2016 # define NV_DIG DBL_DIG
2017 # ifdef DBL_MANT_DIG
2018 # define NV_MANT_DIG DBL_MANT_DIG
2021 # define NV_MIN DBL_MIN
2024 # define NV_MAX DBL_MAX
2027 # define NV_MIN_EXP DBL_MIN_EXP
2030 # define NV_MAX_EXP DBL_MAX_EXP
2032 # ifdef DBL_MIN_10_EXP
2033 # define NV_MIN_10_EXP DBL_MIN_10_EXP
2035 # ifdef DBL_MAX_10_EXP
2036 # define NV_MAX_10_EXP DBL_MAX_10_EXP
2039 # define NV_EPSILON DBL_EPSILON
2041 # ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
2042 # define NV_MAX DBL_MAX
2043 # define NV_MIN DBL_MIN
2046 # define NV_MAX HUGE_VAL
2050 /* These math interfaces are C89. */
2051 # define Perl_acos acos
2052 # define Perl_asin asin
2053 # define Perl_atan atan
2054 # define Perl_atan2 atan2
2055 # define Perl_ceil ceil
2056 # define Perl_cos cos
2057 # define Perl_cosh cosh
2058 # define Perl_exp exp
2059 /* no Perl_fabs, but there's PERL_ABS */
2060 # define Perl_floor floor
2061 # define Perl_fmod fmod
2062 # define Perl_log log
2063 # define Perl_log10 log10
2064 # define Perl_pow pow
2065 # define Perl_sin sin
2066 # define Perl_sinh sinh
2067 # define Perl_sqrt sqrt
2068 # define Perl_tan tan
2069 # define Perl_tanh tanh
2071 # define Perl_modf(x,y) modf(x,y)
2072 # define Perl_frexp(x,y) frexp(x,y)
2073 # define Perl_ldexp(x,y) ldexp(x,y)
2077 # define Perl_isnan(x) isnan(x)
2081 # if defined(HAS_ISINF)
2082 # define Perl_isinf(x) isinf(x)
2083 # elif defined(DBL_MAX)
2084 # define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX)
2087 # ifndef Perl_isfinite
2088 # ifdef HAS_ISFINITE
2089 # define Perl_isfinite(x) isfinite(x)
2090 # elif defined(HAS_FINITE)
2091 # define Perl_isfinite(x) finite(x)
2096 /* fpclassify(): C99. It is supposed to be a macro that switches on
2097 * the sizeof() of its argument, so there's no need for e.g. fpclassifyl().*/
2098 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2100 # if defined(FP_INFINITE) && defined(FP_NAN)
2101 # define Perl_fp_class(x) fpclassify(x)
2102 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2103 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2104 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2105 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2106 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2107 # elif defined(FP_PLUS_INF) && defined(FP_QNAN)
2108 /* Some versions of HP-UX (10.20) have (only) fpclassify() but which is
2109 * actually not the C99 fpclassify, with its own set of return defines. */
2110 # define Perl_fp_class(x) fpclassify(x)
2111 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2112 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2113 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2114 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2115 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2116 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2117 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2118 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2119 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2120 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2122 # undef Perl_fp_class /* Unknown set of defines */
2126 /* fp_classify(): Legacy: VMS, maybe Unicos? The values, however,
2127 * are identical to the C99 fpclassify(). */
2128 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASSIFY)
2131 /* FP_INFINITE and others are here rather than in math.h as C99 stipulates */
2133 /* oh, and the isnormal macro has a typo in it! */
2135 # define isnormal(x) Perl_fp_class_norm(x)
2137 # if defined(FP_INFINITE) && defined(FP_NAN)
2138 # define Perl_fp_class(x) fp_classify(x)
2139 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2140 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2141 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2142 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2143 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2145 # undef Perl_fp_class /* Unknown set of defines */
2149 /* Feel free to check with me for the SGI manpages, SGI testing,
2150 * etcetera, if you want to try getting this to work with IRIX.
2152 * - Allen <allens@cpan.org> */
2154 /* fpclass(): SysV, at least Solaris and some versions of IRIX. */
2155 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2156 /* Solaris and IRIX have fpclass/fpclassl, but they are using
2157 * an enum typedef, not cpp symbols, and Configure doesn't detect that.
2158 * Define some symbols also as cpp symbols so we can detect them. */
2159 # if defined(__sun) || defined(__irix__) /* XXX Configure test instead */
2160 # define FP_PINF FP_PINF
2161 # define FP_QNAN FP_QNAN
2165 # include <ieeefp.h>
2170 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2171 # define Perl_fp_class(x) fpclassl(x)
2173 # define Perl_fp_class(x) fpclass(x)
2175 # if defined(FP_CLASS_PINF) && defined(FP_CLASS_SNAN)
2176 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2177 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2178 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2179 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2180 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2181 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2182 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2183 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2184 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2185 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2186 # elif defined(FP_PINF) && defined(FP_QNAN)
2187 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2188 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2189 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NINF)
2190 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PINF)
2191 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NNORM)
2192 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PNORM)
2193 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NDENORM)
2194 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PDENORM)
2195 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NZERO)
2196 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PZERO)
2198 # undef Perl_fp_class /* Unknown set of defines */
2202 /* fp_class(): Legacy: at least Tru64, some versions of IRIX. */
2203 #if !defined(Perl_fp_class) && (defined(HAS_FP_CLASS)||defined(HAS_FP_CLASSL))
2205 # if !defined(FP_SNAN) && defined(I_FP_CLASS)
2206 # include <fp_class.h>
2208 # if defined(FP_POS_INF) && defined(FP_QNAN)
2209 # ifdef __irix__ /* XXX Configure test instead */
2210 # ifdef USE_LONG_DOUBLE
2211 # define Perl_fp_class(x) fp_class_l(x)
2213 # define Perl_fp_class(x) fp_class_d(x)
2216 # if defined(USE_LONG_DOUBLE) && defined(HAS_FP_CLASSL)
2217 # define Perl_fp_class(x) fp_classl(x)
2219 # define Perl_fp_class(x) fp_class(x)
2222 # if defined(FP_POS_INF) && defined(FP_QNAN)
2223 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2224 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2225 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NEG_INF)
2226 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_POS_INF)
2227 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NEG_NORM)
2228 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_POS_NORM)
2229 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NEG_DENORM)
2230 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_POS_DENORM)
2231 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NEG_ZERO)
2232 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_POS_ZERO)
2234 # undef Perl_fp_class /* Unknown set of defines */
2239 /* class(), _class(): Legacy: AIX. */
2240 #if !defined(Perl_fp_class) && defined(HAS_CLASS)
2242 # if defined(FP_PLUS_NORM) && defined(FP_PLUS_INF)
2244 # define Perl_fp_class(x) class(x)
2246 # define Perl_fp_class(x) _class(x)
2248 # if defined(FP_PLUS_INF) && defined(FP_NANQ)
2249 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2250 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2251 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2252 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2253 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2254 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2255 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2256 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2257 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2258 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2260 # undef Perl_fp_class /* Unknown set of defines */
2265 /* Win32: _fpclass(), _isnan(), _finite(). */
2268 # define Perl_isnan(x) _isnan(x)
2270 # ifndef Perl_isfinite
2271 # define Perl_isfinite(x) _finite(x)
2273 # ifndef Perl_fp_class_snan
2274 /* No simple way to #define Perl_fp_class because _fpclass()
2275 * returns a set of bits. */
2276 # define Perl_fp_class_snan(x) (_fpclass(x) & _FPCLASS_SNAN)
2277 # define Perl_fp_class_qnan(x) (_fpclass(x) & _FPCLASS_QNAN)
2278 # define Perl_fp_class_nan(x) (_fpclass(x) & (_FPCLASS_SNAN|_FPCLASS_QNAN))
2279 # define Perl_fp_class_ninf(x) (_fpclass(x) & _FPCLASS_NINF))
2280 # define Perl_fp_class_pinf(x) (_fpclass(x) & _FPCLASS_PINF))
2281 # define Perl_fp_class_inf(x) (_fpclass(x) & (_FPCLASS_NINF|_FPCLASS_PINF))
2282 # define Perl_fp_class_nnorm(x) (_fpclass(x) & _FPCLASS_NN)
2283 # define Perl_fp_class_pnorm(x) (_fpclass(x) & _FPCLASS_PN)
2284 # define Perl_fp_class_norm(x) (_fpclass(x) & (_FPCLASS_NN|_FPCLASS_PN))
2285 # define Perl_fp_class_ndenorm(x) (_fpclass(x) & _FPCLASS_ND)
2286 # define Perl_fp_class_pdenorm(x) (_fpclass(x) & _FPCLASS_PD)
2287 # define Perl_fp_class_denorm(x) (_fpclass(x) & (_FPCLASS_ND|_FPCLASS_PD))
2288 # define Perl_fp_class_nzero(x) (_fpclass(x) & _FPCLASS_NZ)
2289 # define Perl_fp_class_pzero(x) (_fpclass(x) & _FPCLASS_PZ)
2290 # define Perl_fp_class_zero(x) (_fpclass(x) & (_FPCLASS_NZ|_FPCLASS_PZ))
2294 #if !defined(Perl_fp_class_inf) && \
2295 defined(Perl_fp_class_pinf) && defined(Perl_fp_class_ninf)
2296 # define Perl_fp_class_inf(x) \
2297 (Perl_fp_class_pinf(x) || Perl_fp_class_ninf(x))
2300 #if !defined(Perl_fp_class_nan) && \
2301 defined(Perl_fp_class_snan) && defined(Perl_fp_class_qnan)
2302 # define Perl_fp_class_nan(x) \
2303 (Perl_fp_class_snan(x) || Perl_fp_class_qnan(x))
2306 #if !defined(Perl_fp_class_zero) && \
2307 defined(Perl_fp_class_pzero) && defined(Perl_fp_class_nzero)
2308 # define Perl_fp_class_zero(x) \
2309 (Perl_fp_class_pzero(x) || Perl_fp_class_nzero(x))
2312 #if !defined(Perl_fp_class_norm) && \
2313 defined(Perl_fp_class_pnorm) && defined(Perl_fp_class_nnorm)
2314 # define Perl_fp_class_norm(x) \
2315 (Perl_fp_class_pnorm(x) || Perl_fp_class_nnorm(x))
2318 #if !defined(Perl_fp_class_denorm) && \
2319 defined(Perl_fp_class_pdenorm) && defined(Perl_fp_class_ndenorm)
2320 # define Perl_fp_class_denorm(x) \
2321 (Perl_fp_class_pdenorm(x) || Perl_fp_class_ndenorm(x))
2325 int isnan(double d);
2329 # ifdef Perl_fp_class_nan
2330 # define Perl_isnan(x) Perl_fp_class_nan(x)
2332 # ifdef HAS_UNORDERED
2333 # define Perl_isnan(x) unordered((x), 0.0)
2335 # define Perl_isnan(x) ((x)!=(x))
2341 # ifdef Perl_fp_class_inf
2342 # define Perl_isinf(x) Perl_fp_class_inf(x)
2346 #ifndef Perl_isfinite
2347 # if defined(HAS_ISFINITE) && !defined(isfinite)
2348 # define Perl_isfinite(x) isfinite((double)(x))
2349 # elif defined(HAS_FINITE)
2350 # define Perl_isfinite(x) finite((double)(x))
2351 # elif defined(Perl_fp_class_finite)
2352 # define Perl_isfinite(x) Perl_fp_class_finite(x)
2354 /* For the infinities the multiplication returns nan,
2355 * for the nan the multiplication also returns nan,
2356 * for everything else (that is, finite) zero should be returned. */
2357 # define Perl_isfinite(x) (((x) * 0) == 0)
2362 # if defined(Perl_isfinite) && defined(Perl_isnan)
2363 # define Perl_isinf(x) !(Perl_isfinite(x)||Perl_isnan(x))
2367 /* We need Perl_isfinitel (ends with ell) (if available) even when
2368 * not USE_LONG_DOUBLE because the printf code (sv_catpvfn_flags)
2370 #if defined(HAS_LONG_DOUBLE) && !defined(Perl_isfinitel)
2371 /* If isfinite() is a macro and looks like we have C99,
2372 * we assume it's the type-aware C99 isfinite(). */
2373 # if defined(HAS_ISFINITE) && defined(isfinite) && defined(HAS_C99)
2374 # define Perl_isfinitel(x) isfinite(x)
2375 # elif defined(HAS_ISFINITEL)
2376 # define Perl_isfinitel(x) isfinitel(x)
2377 # elif defined(HAS_FINITEL)
2378 # define Perl_isfinitel(x) finitel(x)
2379 # elif defined(HAS_INFL) && defined(HAS_NANL)
2380 # define Perl_isfinitel(x) !(isinfl(x)||isnanl(x))
2382 # define Perl_isfinitel(x) ((x) * 0 == 0) /* See Perl_isfinite. */
2386 /* The default is to use Perl's own atof() implementation (in numeric.c).
2387 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2388 * it is however best to use the native implementation of atof.
2389 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2390 * Some good tests to try out with either setting are t/base/num.t,
2391 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2392 * you may need to be using a different function than atof! */
2394 #ifndef USE_PERL_ATOF
2396 # define USE_PERL_ATOF
2399 # if USE_PERL_ATOF == 0
2400 # undef USE_PERL_ATOF
2404 #ifdef USE_PERL_ATOF
2405 # define Perl_atof(s) Perl_my_atof(s)
2406 # define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2408 # define Perl_atof(s) (NV)atof(s)
2409 # define Perl_atof2(s, n) ((n) = atof(s))
2412 /* Previously these definitions used hardcoded figures.
2413 * It is hoped these formula are more portable, although
2414 * no data one way or another is presently known to me.
2415 * The "PERL_" names are used because these calculated constants
2416 * do not meet the ANSI requirements for LONG_MAX, etc., which
2417 * need to be constants acceptable to #if - kja
2418 * define PERL_LONG_MAX 2147483647L
2419 * define PERL_LONG_MIN (-LONG_MAX - 1)
2420 * define PERL ULONG_MAX 4294967295L
2423 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2424 # include <limits.h>
2426 /* Included values.h above if necessary; still including limits.h down here,
2427 * despite doing above, because math.h might have overridden... XXX - Allen */
2430 * Try to figure out max and min values for the integral types. THE CORRECT
2431 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2432 * following hacks are used if neither limits.h or values.h provide them:
2433 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2434 * for types < int: (unsigned TYPE)~(unsigned)0
2435 * The argument to ~ must be unsigned so that later signed->unsigned
2436 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2437 * and it must not be smaller than int because ~ does integral promotion.
2438 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2439 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2440 * The latter is a hack which happens to work on some machines but
2441 * does *not* catch any random system, or things like integer types
2442 * with NaN if that is possible.
2444 * All of the types are explicitly cast to prevent accidental loss of
2445 * numeric range, and in the hope that they will be less likely to confuse
2446 * over-eager optimizers.
2450 #define PERL_UCHAR_MIN ((unsigned char)0)
2453 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
2456 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
2458 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
2463 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2464 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2465 * depending on local options. Until Configure detects this (or at least
2466 * detects whether the "signed" keyword is available) the CHAR ranges
2467 * will not be included. UCHAR functions normally.
2471 #define PERL_USHORT_MIN ((unsigned short)0)
2474 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
2477 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
2480 # define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2482 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2488 # define PERL_SHORT_MAX ((short)SHORT_MAX)
2490 # ifdef MAXSHORT /* Often used in <values.h> */
2491 # define PERL_SHORT_MAX ((short)MAXSHORT)
2494 # define PERL_SHORT_MAX ((short)SHRT_MAX)
2496 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2502 # define PERL_SHORT_MIN ((short)SHORT_MIN)
2505 # define PERL_SHORT_MIN ((short)MINSHORT)
2508 # define PERL_SHORT_MIN ((short)SHRT_MIN)
2510 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2516 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
2519 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
2521 # define PERL_UINT_MAX (~(unsigned int)0)
2525 #define PERL_UINT_MIN ((unsigned int)0)
2528 # define PERL_INT_MAX ((int)INT_MAX)
2530 # ifdef MAXINT /* Often used in <values.h> */
2531 # define PERL_INT_MAX ((int)MAXINT)
2533 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
2538 # define PERL_INT_MIN ((int)INT_MIN)
2541 # define PERL_INT_MIN ((int)MININT)
2543 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2548 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
2551 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
2553 # define PERL_ULONG_MAX (~(unsigned long)0)
2557 #define PERL_ULONG_MIN ((unsigned long)0L)
2560 # define PERL_LONG_MAX ((long)LONG_MAX)
2562 # ifdef MAXLONG /* Often used in <values.h> */
2563 # define PERL_LONG_MAX ((long)MAXLONG)
2565 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
2570 # define PERL_LONG_MIN ((long)LONG_MIN)
2573 # define PERL_LONG_MIN ((long)MINLONG)
2575 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
2581 # define PERL_UQUAD_MAX (~(UV)0)
2582 # define PERL_UQUAD_MIN ((UV)0)
2583 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
2584 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
2588 typedef MEM_SIZE STRLEN;
2590 typedef struct op OP;
2591 typedef struct cop COP;
2592 typedef struct unop UNOP;
2593 typedef struct binop BINOP;
2594 typedef struct listop LISTOP;
2595 typedef struct logop LOGOP;
2596 typedef struct pmop PMOP;
2597 typedef struct svop SVOP;
2598 typedef struct padop PADOP;
2599 typedef struct pvop PVOP;
2600 typedef struct loop LOOP;
2603 typedef struct opslab OPSLAB;
2604 typedef struct opslot OPSLOT;
2607 typedef struct block_hooks BHK;
2608 typedef struct custom_op XOP;
2610 typedef struct interpreter PerlInterpreter;
2612 /* SGI's <sys/sema.h> has struct sv */
2614 # define STRUCT_SV perl_sv
2616 # define STRUCT_SV sv
2618 typedef struct STRUCT_SV SV;
2619 typedef struct av AV;
2620 typedef struct hv HV;
2621 typedef struct cv CV;
2622 typedef struct p5rx REGEXP;
2623 typedef struct gp GP;
2624 typedef struct gv GV;
2625 typedef struct io IO;
2626 typedef struct context PERL_CONTEXT;
2627 typedef struct block BLOCK;
2629 typedef struct magic MAGIC;
2630 typedef struct xpv XPV;
2631 typedef struct xpviv XPVIV;
2632 typedef struct xpvuv XPVUV;
2633 typedef struct xpvnv XPVNV;
2634 typedef struct xpvmg XPVMG;
2635 typedef struct xpvlv XPVLV;
2636 typedef struct xpvinvlist XINVLIST;
2637 typedef struct xpvav XPVAV;
2638 typedef struct xpvhv XPVHV;
2639 typedef struct xpvgv XPVGV;
2640 typedef struct xpvcv XPVCV;
2641 typedef struct xpvbm XPVBM;
2642 typedef struct xpvfm XPVFM;
2643 typedef struct xpvio XPVIO;
2644 typedef struct mgvtbl MGVTBL;
2645 typedef union any ANY;
2646 typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2647 typedef struct ptr_tbl PTR_TBL_t;
2648 typedef struct clone_params CLONE_PARAMS;
2650 /* a pad or name pad is currently just an AV; but that might change,
2651 * so hide the type. */
2652 typedef struct padlist PADLIST;
2654 typedef AV PADNAMELIST;
2657 /* enable PERL_NEW_COPY_ON_WRITE by default */
2658 #if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2659 # define PERL_NEW_COPY_ON_WRITE
2662 #if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2663 # if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2664 # error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2666 # define PERL_ANY_COW
2669 # define PERL_SAWAMPERSAND
2672 #if defined(PERL_DEBUG_READONLY_OPS) && !defined(USE_ITHREADS)
2673 # error PERL_DEBUG_READONLY_OPS only works with ithreads
2678 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
2679 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2680 # define USE_64_BIT_RAWIO /* implicit */
2684 /* Notice the use of HAS_FSEEKO: now we are obligated to always use
2685 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2686 * however, because operating systems like to do that themself. */
2689 # define FSEEKSIZE LSEEKSIZE
2691 # define FSEEKSIZE LONGSIZE
2695 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
2696 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2697 # define USE_64_BIT_STDIO /* implicit */
2701 #ifdef USE_64_BIT_RAWIO
2704 # define Off_t off64_t
2706 # define LSEEKSIZE 8
2708 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2709 * will trigger defines like the ones below. Some 64-bit environments,
2710 * however, do not. Therefore we have to explicitly mix and match. */
2711 # if defined(USE_OPEN64)
2712 # define open open64
2714 # if defined(USE_LSEEK64)
2715 # define lseek lseek64
2717 # if defined(USE_LLSEEK)
2718 # define lseek llseek
2721 # if defined(USE_STAT64)
2722 # define stat stat64
2724 # if defined(USE_FSTAT64)
2725 # define fstat fstat64
2727 # if defined(USE_LSTAT64)
2728 # define lstat lstat64
2730 # if defined(USE_FLOCK64)
2731 # define flock flock64
2733 # if defined(USE_LOCKF64)
2734 # define lockf lockf64
2736 # if defined(USE_FCNTL64)
2737 # define fcntl fcntl64
2739 # if defined(USE_TRUNCATE64)
2740 # define truncate truncate64
2742 # if defined(USE_FTRUNCATE64)
2743 # define ftruncate ftruncate64
2747 #ifdef USE_64_BIT_STDIO
2748 # ifdef HAS_FPOS64_T
2750 # define Fpos_t fpos64_t
2752 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2753 * will trigger defines like the ones below. Some 64-bit environments,
2754 * however, do not. */
2755 # if defined(USE_FOPEN64)
2756 # define fopen fopen64
2758 # if defined(USE_FSEEK64)
2759 # define fseek fseek64 /* don't do fseeko here, see perlio.c */
2761 # if defined(USE_FTELL64)
2762 # define ftell ftell64 /* don't do ftello here, see perlio.c */
2764 # if defined(USE_FSETPOS64)
2765 # define fsetpos fsetpos64
2767 # if defined(USE_FGETPOS64)
2768 # define fgetpos fgetpos64
2770 # if defined(USE_TMPFILE64)
2771 # define tmpfile tmpfile64
2773 # if defined(USE_FREOPEN64)
2774 # define freopen freopen64
2779 # include "iperlsys.h"
2784 # include "os2ish.h"
2786 # include "dosish.h"
2789 # include "vmsish.h"
2790 #elif defined(PLAN9)
2791 # include "./plan9/plan9ish.h"
2792 #elif defined(__VOS__)
2794 # include "./vos/vosish.h"
2796 # include "vos/vosish.h"
2798 #elif defined(__SYMBIAN32__)
2799 # include "symbian/symbianish.h"
2800 #elif defined(__HAIKU__)
2801 # include "haiku/haikuish.h"
2803 # include "unixish.h"
2806 /* NSIG logic from Configure --> */
2807 /* Strange style to avoid deeply-nested #if/#else/#endif */
2810 # define NSIG (_NSIG)
2816 # define NSIG (SIGMAX+1)
2822 # define NSIG (SIG_MAX+1)
2828 # define NSIG (_SIG_MAX+1)
2834 # define NSIG (MAXSIG+1)
2840 # define NSIG (MAX_SIG+1)
2845 # ifdef SIGARRAYSIZE
2846 # define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2852 # define NSIG (_sys_nsig) /* Solaris 2.5 */
2856 /* Default to some arbitrary number that's big enough to get most
2857 of the common signals.
2862 /* <-- NSIG logic from Configure */
2864 #ifndef NO_ENVIRON_ARRAY
2865 # define USE_ENVIRON_ARRAY
2869 * initialise to avoid floating-point exceptions from overflow, etc
2871 #ifndef PERL_FPU_INIT
2872 # ifdef HAS_FPSETMASK
2873 # if HAS_FLOATINGPOINT_H
2874 # include <floatingpoint.h>
2876 /* Some operating systems have this as a macro, which in turn expands to a comma
2877 expression, and the last sub-expression is something that gets calculated,
2878 and then they have the gall to warn that a value computed is not used. Hence
2880 # define PERL_FPU_INIT (void)fpsetmask(0)
2882 # if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
2883 # define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
2884 # define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2885 # define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
2887 # define PERL_FPU_INIT
2892 #ifndef PERL_FPU_PRE_EXEC
2893 # define PERL_FPU_PRE_EXEC {
2894 # define PERL_FPU_POST_EXEC }
2897 #ifndef PERL_SYS_INIT3_BODY
2898 # define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
2902 =head1 Miscellaneous Functions
2904 =for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
2905 Provides system-specific tune up of the C runtime environment necessary to
2906 run Perl interpreters. This should be called only once, before creating
2907 any Perl interpreters.
2909 =for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
2910 Provides system-specific tune up of the C runtime environment necessary to
2911 run Perl interpreters. This should be called only once, before creating
2912 any Perl interpreters.
2914 =for apidoc Am|void|PERL_SYS_TERM|
2915 Provides system-specific clean up of the C runtime environment after
2916 running Perl interpreters. This should be called only once, after
2917 freeing any remaining Perl interpreters.
2922 #define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2923 #define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
2924 #define PERL_SYS_TERM() Perl_sys_term()
2926 #ifndef PERL_WRITE_MSG_TO_CONSOLE
2927 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2932 # ifdef _POSIX_PATH_MAX
2933 # if PATH_MAX > _POSIX_PATH_MAX
2934 /* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2935 * included the null byte or not. Later amendments of POSIX,
2936 * XPG4, the Austin Group, and the Single UNIX Specification
2937 * all explicitly include the null byte in the PATH_MAX.
2938 * Ditto for _POSIX_PATH_MAX. */
2939 # define MAXPATHLEN PATH_MAX
2941 # define MAXPATHLEN _POSIX_PATH_MAX
2944 # define MAXPATHLEN (PATH_MAX+1)
2947 # define MAXPATHLEN 1024 /* Err on the large side. */
2951 /* In case Configure was not used (we are using a "canned config"
2952 * such as Win32, or a cross-compilation setup, for example) try going
2953 * by the gcc major and minor versions. One useful URL is
2954 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2955 * but contrary to this information warn_unused_result seems
2956 * not to be in gcc 3.3.5, at least. --jhi
2957 * Also, when building extensions with an installed perl, this allows
2958 * the user to upgrade gcc and get the right attributes, rather than
2959 * relying on the list generated at Configure time. --AD
2960 * Set these up now otherwise we get confused when some of the <*thread.h>
2961 * includes below indirectly pull in <perlio.h> (which needs to know if we
2962 * have HASATTRIBUTE_FORMAT).
2966 #if defined __GNUC__ && !defined(__INTEL_COMPILER)
2967 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2968 # define HASATTRIBUTE_DEPRECATED
2970 # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2971 # define HASATTRIBUTE_FORMAT
2972 # if defined __MINGW32__
2973 # define PRINTF_FORMAT_NULL_OK
2976 # if __GNUC__ >= 3 /* 3.0 -> */
2977 # define HASATTRIBUTE_MALLOC
2979 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2980 # define HASATTRIBUTE_NONNULL
2982 # if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2983 # define HASATTRIBUTE_NORETURN
2985 # if __GNUC__ >= 3 /* gcc 3.0 -> */
2986 # define HASATTRIBUTE_PURE
2988 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2989 # define HASATTRIBUTE_UNUSED
2991 # if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2992 # define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2994 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2995 # define HASATTRIBUTE_WARN_UNUSED_RESULT
2998 #endif /* #ifndef PERL_MICRO */
3000 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
3001 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
3002 * this results in many functions being undeclared which bothers C++
3003 * May make sense to have threads after "*ish.h" anyway
3006 #if defined(USE_ITHREADS)
3008 # include <nw5thread.h>
3011 # include <win32thread.h>
3014 # include "os2thread.h"
3016 # ifdef I_MACH_CTHREADS
3017 # include <mach/cthreads.h>
3018 typedef cthread_t perl_os_thread;
3019 typedef mutex_t perl_mutex;
3020 typedef condition_t perl_cond;
3021 typedef void * perl_key;
3022 # else /* Posix threads */
3024 # include <pthread.h>
3026 typedef pthread_t perl_os_thread;
3027 typedef pthread_mutex_t perl_mutex;
3028 typedef pthread_cond_t perl_cond;
3029 typedef pthread_key_t perl_key;
3030 # endif /* I_MACH_CTHREADS */
3033 # endif /* NETWARE */
3034 #endif /* USE_ITHREADS */
3041 # include "netware.h"
3044 #define STATUS_UNIX PL_statusvalue
3046 # define STATUS_NATIVE PL_statusvalue_vms
3048 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
3049 * its contents can not be trusted. Unfortunately, Perl seems to check
3050 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
3053 # include <stsdef.h>
3055 /* Presume this because if VMS changes it, it will require a new
3056 * set of APIs for waiting on children for binary compatibility.
3058 # define child_offset_bits (8)
3059 # ifndef C_FAC_POSIX
3060 # define C_FAC_POSIX 0x35A000
3063 /* STATUS_EXIT - validates and returns a NATIVE exit status code for the
3064 * platform from the existing UNIX or Native status values.
3067 # define STATUS_EXIT \
3068 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
3069 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
3072 /* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
3073 * exit code and shifts the UNIX value over the correct number of bits to
3074 * be a child status. Usually the number of bits is 8, but that could be
3075 * platform dependent. The NATIVE status code is presumed to have either
3076 * from a child process.
3079 /* This is complicated. The child processes return a true native VMS
3080 status which must be saved. But there is an assumption in Perl that
3081 the UNIX child status has some relationship to errno values, so
3082 Perl tries to translate it to text in some of the tests.
3083 In order to get the string translation correct, for the error, errno
3084 must be EVMSERR, but that generates a different text message
3085 than what the test programs are expecting. So an errno value must
3086 be derived from the native status value when an error occurs.
3087 That will hide the true native status message. With this version of
3088 perl, the true native child status can always be retrieved so that
3089 is not a problem. But in this case, Pl_statusvalue and errno may
3090 have different values in them.
3093 # define STATUS_NATIVE_CHILD_SET(n) \
3095 I32 evalue = (I32)n; \
3096 if (evalue == EVMSERR) { \
3097 PL_statusvalue_vms = vaxc$errno; \
3098 PL_statusvalue = evalue; \
3100 PL_statusvalue_vms = evalue; \
3101 if (evalue == -1) { \
3102 PL_statusvalue = -1; \
3103 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
3105 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
3106 set_vaxc_errno(evalue); \
3107 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
3108 set_errno(EVMSERR); \
3109 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
3110 PL_statusvalue = PL_statusvalue << child_offset_bits; \
3114 # ifdef VMSISH_STATUS
3115 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
3117 # define STATUS_CURRENT STATUS_UNIX
3120 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
3121 * the NATIVE status to an equivalent value. Can not be used to translate
3122 * exit code values as exit code values are not guaranteed to have any
3123 * relationship at all to errno values.
3124 * This is used when Perl is forcing errno to have a specific value.
3126 # define STATUS_UNIX_SET(n) \
3128 I32 evalue = (I32)n; \
3129 PL_statusvalue = evalue; \
3130 if (PL_statusvalue != -1) { \
3131 if (PL_statusvalue != EVMSERR) { \
3132 PL_statusvalue &= 0xFFFF; \
3133 if (MY_POSIX_EXIT) \
3134 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
3135 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
3138 PL_statusvalue_vms = vaxc$errno; \
3141 else PL_statusvalue_vms = SS$_ABORT; \
3142 set_vaxc_errno(PL_statusvalue_vms); \
3145 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
3146 * the NATIVE error status based on it.
3148 * When in the default mode to comply with the Perl VMS documentation,
3149 * 0 is a success and any other code sets the NATIVE status to a failure
3150 * code of SS$_ABORT.
3152 * In the new POSIX EXIT mode, native status will be set so that the
3153 * actual exit code will can be retrieved by the calling program or
3156 * If the exit code is not clearly a UNIX parent or child exit status,
3157 * it will be passed through as a VMS status.
3160 # define STATUS_UNIX_EXIT_SET(n) \
3162 I32 evalue = (I32)n; \
3163 PL_statusvalue = evalue; \
3164 if (MY_POSIX_EXIT) { \
3165 if (evalue <= 0xFF00) { \
3166 if (evalue > 0xFF) \
3167 evalue = (evalue >> child_offset_bits) & 0xFF; \
3168 PL_statusvalue_vms = \
3169 (C_FAC_POSIX | (evalue << 3 ) | \
3170 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3171 } else /* forgive them Perl, for they have sinned */ \
3172 PL_statusvalue_vms = evalue; \
3175 PL_statusvalue_vms = SS$_NORMAL; \
3176 else if (evalue <= 0xFF00) \
3177 PL_statusvalue_vms = SS$_ABORT; \
3178 else { /* forgive them Perl, for they have sinned */ \
3179 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3180 else PL_statusvalue_vms = vaxc$errno; \
3181 /* And obviously used a VMS status value instead of UNIX */ \
3182 PL_statusvalue = EVMSERR; \
3184 set_vaxc_errno(PL_statusvalue_vms); \
3189 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3190 * and sets the NATIVE error status based on it. This special case
3191 * is needed to maintain compatibility with past VMS behavior.
3193 * In the default mode on VMS, this number is passed through as
3194 * both the NATIVE and UNIX status. Which makes it different
3195 * that the STATUS_UNIX_EXIT_SET.
3197 * In the new POSIX EXIT mode, native status will be set so that the
3198 * actual exit code will can be retrieved by the calling program or
3201 * A POSIX exit code is from 0 to 255. If the exit code is higher
3202 * than this, it needs to be assumed that it is a VMS exit code and
3206 # define STATUS_EXIT_SET(n) \
3208 I32 evalue = (I32)n; \
3209 PL_statusvalue = evalue; \
3210 if (MY_POSIX_EXIT) \
3211 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3212 PL_statusvalue_vms = \
3213 (C_FAC_POSIX | (evalue << 3 ) | \
3214 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
3216 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3217 set_vaxc_errno(PL_statusvalue_vms); \
3221 /* This macro forces a success status */
3222 # define STATUS_ALL_SUCCESS \
3223 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
3225 /* This macro forces a failure status */
3226 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3227 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3228 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
3231 # define STATUS_NATIVE PL_statusvalue_posix
3232 # if defined(WCOREDUMP)
3233 # define STATUS_NATIVE_CHILD_SET(n) \
3235 PL_statusvalue_posix = (n); \
3236 if (PL_statusvalue_posix == -1) \
3237 PL_statusvalue = -1; \
3240 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3241 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3242 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3245 # elif defined(WIFEXITED)
3246 # define STATUS_NATIVE_CHILD_SET(n) \
3248 PL_statusvalue_posix = (n); \
3249 if (PL_statusvalue_posix == -1) \
3250 PL_statusvalue = -1; \
3253 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3254 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3258 # define STATUS_NATIVE_CHILD_SET(n) \
3260 PL_statusvalue_posix = (n); \
3261 if (PL_statusvalue_posix == -1) \
3262 PL_statusvalue = -1; \
3265 PL_statusvalue_posix & 0xFFFF; \
3269 # define STATUS_UNIX_SET(n) \
3271 PL_statusvalue = (n); \
3272 if (PL_statusvalue != -1) \
3273 PL_statusvalue &= 0xFFFF; \
3275 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3276 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3277 # define STATUS_CURRENT STATUS_UNIX
3278 # define STATUS_EXIT STATUS_UNIX
3279 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3280 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3283 /* flags in PL_exit_flags for nature of exit() */
3284 #define PERL_EXIT_EXPECTED 0x01
3285 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
3286 #define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3287 #define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
3290 /* format to use for version numbers in file/directory names */
3291 /* XXX move to Configure? */
3292 /* This was only ever used for the current version, and that can be done at
3293 compile time, as PERL_FS_VERSION, so should we just delete it? */
3294 # ifndef PERL_FS_VER_FMT
3295 # define PERL_FS_VER_FMT "%d.%d.%d"
3299 #ifndef PERL_FS_VERSION
3300 # define PERL_FS_VERSION PERL_VERSION_STRING
3303 /* This defines a way to flush all output buffers. This may be a
3304 * performance issue, so we allow people to disable it. Also, if
3305 * we are using stdio, there are broken implementations of fflush(NULL)
3306 * out there, Solaris being the most prominent.
3308 #ifndef PERL_FLUSHALL_FOR_CHILD
3309 # if defined(USE_PERLIO) || defined(FFLUSH_NULL)
3310 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
3313 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
3315 # define PERL_FLUSHALL_FOR_CHILD NOOP
3320 #ifndef PERL_WAIT_FOR_CHILDREN
3321 # define PERL_WAIT_FOR_CHILDREN NOOP
3324 /* the traditional thread-unsafe notion of "current interpreter". */
3325 #ifndef PERL_SET_INTERP
3326 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3329 #ifndef PERL_GET_INTERP
3330 # define PERL_GET_INTERP (PL_curinterp)
3333 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
3334 # ifdef MULTIPLICITY
3335 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
3337 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3341 This replaces the previous %_ "hack" by the "%p" hacks.
3342 All that is required is that the perl source does not
3343 use "%-p" or "%-<number>p" or "%<number>p" formats.
3344 These formats will still work in perl code.
3345 See comments in sv.c for further details.
3347 Robin Barker 2005-07-14
3349 No longer use %1p for VDf = %vd. RMB 2007-10-19
3353 # define SVf_(n) "-" STRINGIFY(n) "p"
3361 # define SVf32 SVf_(32)
3365 # define SVf256 SVf_(256)
3368 #define SVfARG(p) ((void*)(p))
3374 /* Not ideal, but we cannot easily include a number in an already-numeric
3375 * format sequence. */
3377 # define HEKf256 "3p"
3380 #define HEKfARG(p) ((void*)(p))
3382 /* Takes three arguments: is_utf8, length, str */
3384 # define UTF8f "d%" UVuf "%4p"
3386 #define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3389 /* not used; but needed for backward compatibility with XS code? - RMB */
3397 #ifdef HASATTRIBUTE_DEPRECATED
3398 # define __attribute__deprecated__ __attribute__((deprecated))
3400 #ifdef HASATTRIBUTE_FORMAT
3401 # define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3403 #ifdef HASATTRIBUTE_MALLOC
3404 # define __attribute__malloc__ __attribute__((__malloc__))
3406 #ifdef HASATTRIBUTE_NONNULL
3407 # define __attribute__nonnull__(a) __attribute__((nonnull(a)))
3409 #ifdef HASATTRIBUTE_NORETURN
3410 # define __attribute__noreturn__ __attribute__((noreturn))
3412 #ifdef HASATTRIBUTE_PURE
3413 # define __attribute__pure__ __attribute__((pure))
3415 #ifdef HASATTRIBUTE_UNUSED
3416 # define __attribute__unused__ __attribute__((unused))
3418 #ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
3419 # define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
3422 /* If we haven't defined the attributes yet, define them to blank. */
3423 #ifndef __attribute__deprecated__
3424 # define __attribute__deprecated__
3426 #ifndef __attribute__format__
3427 # define __attribute__format__(x,y,z)
3429 #ifndef __attribute__malloc__
3430 # define __attribute__malloc__
3432 #ifndef __attribute__nonnull__
3433 # define __attribute__nonnull__(a)
3435 #ifndef __attribute__noreturn__
3436 # define __attribute__noreturn__
3438 #ifndef __attribute__pure__
3439 # define __attribute__pure__
3441 #ifndef __attribute__unused__
3442 # define __attribute__unused__
3444 #ifndef __attribute__warn_unused_result__
3445 # define __attribute__warn_unused_result__
3448 #if defined(DEBUGGING) && defined(I_ASSERT)
3449 # include <assert.h>
3452 /* For functions that are marked as __attribute__noreturn__, it's not
3453 appropriate to call return. In either case, include the lint directive.
3455 #ifdef HASATTRIBUTE_NORETURN
3456 # define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
3458 # define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
3461 /* Some OS warn on NULL format to printf */
3462 #ifdef PRINTF_FORMAT_NULL_OK
3463 # define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3465 # define __attribute__format__null_ok__(x,y,z)
3468 #ifdef HAS_BUILTIN_EXPECT
3469 # define EXPECT(expr,val) __builtin_expect(expr,val)
3471 # define EXPECT(expr,val) (expr)
3473 #define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3474 #define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
3475 #ifdef HAS_BUILTIN_CHOOSE_EXPR
3480 #ifndef __has_builtin
3481 # define __has_builtin(x) 0 /* not a clang style compiler */
3484 /* ASSUME is like assert(), but it has a benefit in a release build. It is a
3485 hint to a compiler about a statement of fact in a function call free
3486 expression, which allows the compiler to generate better machine code.
3487 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3488 the control path is unreachable. In a for loop, ASSUME can be used to hint
3489 that a loop will run atleast X times. ASSUME is based off MSVC's __assume
3490 intrinsic function, see its documents for more details.
3494 # if __has_builtin(__builtin_unreachable) \
3495 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */
3496 # define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3497 # elif defined(_MSC_VER)
3498 # define ASSUME(x) __assume(x)
3499 # elif defined(__ARMCC_VERSION) /* untested */
3500 # define ASSUME(x) __promise(x)
3502 /* a random compiler might define assert to its own special optimization token
3503 so pass it through to C lib as a last resort */
3504 # define ASSUME(x) assert(x)
3507 # define ASSUME(x) assert(x)
3510 #define NOT_REACHED ASSUME(0)
3512 /* Some unistd.h's give a prototype for pause() even though
3513 HAS_PAUSE ends up undefined. This causes the #define
3514 below to be rejected by the compiler. Sigh.
3519 #define Pause() sleep((32767<<16)+32767)
3523 # ifdef IOCPARM_MASK
3524 /* on BSDish systems we're safe */
3525 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3527 # if defined(_IOC_SIZE) && defined(__GLIBC__)
3528 /* on Linux systems we're safe; except when we're not [perl #38223] */
3529 # define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
3531 /* otherwise guess at what's safe */
3532 # define IOCPARM_LEN(x) 256
3537 #if defined(__CYGWIN__)
3539 * This symbol, if defined, indicates that the program should
3540 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
3541 * that a file is in "binary" mode -- that is, that no translation
3542 * of bytes occurs on read or write operations.
3544 # define USEMYBINMODE /**/
3545 # include <io.h> /* for setmode() prototype */
3546 # define my_binmode(fp, iotype, mode) \
3547 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
3551 void init_os_extras(void);
3554 #ifdef UNION_ANY_DEFINITION
3555 UNION_ANY_DEFINITION;
3565 void (*any_dptr) (void*);
3566 void (*any_dxptr) (pTHX_ void*);
3570 typedef I32 (*filter_t) (pTHX_ int, SV *, int);
3572 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3573 #define FILTER_DATA(idx) \
3574 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3575 #define FILTER_ISREADER(idx) \
3576 (PL_parser && PL_parser->rsfp_filters \
3577 && idx >= AvFILLp(PL_parser->rsfp_filters))
3578 #define PERL_FILTER_EXISTS(i) \
3579 (PL_parser && PL_parser->rsfp_filters \
3580 && (i) <= av_tindex(PL_parser->rsfp_filters))
3582 #if defined(_AIX) && !defined(_AIX43)
3583 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3584 /* We cannot include <crypt.h> to get the struct crypt_data
3585 * because of setkey prototype problems when threading */
3586 typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3587 /* From OSF, Not needed in AIX
3595 #endif /* threading */
3599 # include "iperlsys.h"
3602 #ifdef __LIBCATAMOUNT__
3603 #undef HAS_PASSWD /* unixish.h but not unixish enough. */
3605 #define FAKE_BIT_BUCKET
3608 /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3609 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3610 * defined by Configure, despite their names being similar to the
3611 * other defines like USE_ITHREADS. Configure in fact knows nothing
3612 * about the randomised hashes. Therefore to enable/disable the hash
3613 * randomisation defines use the Configure -Accflags=... instead. */
3614 #if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
3615 # define USE_HASH_SEED
3618 /* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3619 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3620 * it's not really needed.
3623 # define YYTOKENTYPE
3628 /* macros to define bit-fields in structs. */
3629 #ifndef PERL_BITFIELD8
3630 # define PERL_BITFIELD8 unsigned
3632 #ifndef PERL_BITFIELD16
3633 # define PERL_BITFIELD16 unsigned
3635 #ifndef PERL_BITFIELD32
3636 # define PERL_BITFIELD32 unsigned
3646 #include "opnames.h"
3653 #include "warnings.h"
3656 /* these would be in doio.h if there was such a file */
3657 #define my_stat() my_stat_flags(SV_GMAGIC)
3658 #define my_lstat() my_lstat_flags(SV_GMAGIC)
3660 /* defined in sv.c, but also used in [ach]v.c */
3663 #undef _XPVCV_COMMON
3665 typedef struct _sublex_info SUBLEXINFO;
3666 struct _sublex_info {
3667 U8 super_state; /* lexer state to save */
3668 U16 sub_inwhat; /* "lex_inwhat" to use */
3669 OP *sub_op; /* "lex_op" to use */
3670 SV *repl; /* replacement of s/// or y/// */
3675 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
3677 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3679 /* These have to be predeclared, as they are used in proto.h which is #included
3680 * before their definitions in regcomp.h. */
3683 typedef struct regnode_charclass regnode_charclass;
3685 struct regnode_charclass_class;
3687 /* A hopefully less confusing name. The sub-classes are all Posix classes only
3688 * used under /l matching */
3689 typedef struct regnode_charclass_class regnode_charclass_posixl;
3691 typedef struct regnode_ssc regnode_ssc;
3692 typedef struct RExC_state_t RExC_state_t;
3693 struct _reg_trie_data;
3697 struct ptr_tbl_ent {
3698 struct ptr_tbl_ent* next;
3704 struct ptr_tbl_ent** tbl_ary;
3707 struct ptr_tbl_arena *tbl_arena;
3708 struct ptr_tbl_ent *tbl_arena_next;
3709 struct ptr_tbl_ent *tbl_arena_end;
3712 #if defined(htonl) && !defined(HAS_HTONL)
3715 #if defined(htons) && !defined(HAS_HTONS)
3718 #if defined(ntohl) && !defined(HAS_NTOHL)
3721 #if defined(ntohs) && !defined(HAS_NTOHS)
3729 # if (BYTEORDER & 0xffff) == 0x4321
3730 /* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3731 re-order their values. However, to behave identically to the alternative
3732 implementations, they should truncate to the correct size. */
3733 # define ntohl(x) ((x)&0xFFFFFFFF)
3734 # define htonl(x) ntohl(x)
3735 # define ntohs(x) ((x)&0xFFFF)
3736 # define htons(x) ntohs(x)
3737 # elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3739 /* Note that we can't straight out declare our own htonl and htons because
3740 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3741 to avoid the overhead of initialising the socket subsystem, but the headers
3742 that *declare* the various functions are still seen. If we declare our own
3743 htonl etc they will clash with the declarations in the Win32 headers. */
3745 PERL_STATIC_INLINE U32
3746 my_swap32(const U32 x) {
3747 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3748 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3751 PERL_STATIC_INLINE U16
3752 my_swap16(const U16 x) {
3753 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3756 # define htonl(x) my_swap32(x)
3757 # define ntohl(x) my_swap32(x)
3758 # define ntohs(x) my_swap16(x)
3759 # define htons(x) my_swap16(x)
3761 # error "Unsupported byteorder"
3762 /* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3763 the error message. Please check the value of the macro BYTEORDER, as defined
3764 in config.h. The values of BYTEORDER we expect are
3766 big endian little endian
3767 32 bit 0x4321 0x1234
3768 64 bit 0x87654321 0x12345678
3770 If you have a system with a different byte order, please see
3771 pod/perlhack.pod for how to submit a patch to add supporting code.
3777 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3780 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3781 /* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3782 re-order their values. However, to behave identically to the alternative
3783 implementations, they should truncate to the correct size. */
3784 # define vtohl(x) ((x)&0xFFFFFFFF)
3785 # define vtohs(x) ((x)&0xFFFF)
3786 # define htovl(x) vtohl(x)
3787 # define htovs(x) vtohs(x)
3788 #elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
3789 # define vtohl(x) ((((x)&0xFF)<<24) \
3791 +(((x)&0x0000FF00)<<8) \
3792 +(((x)&0x00FF0000)>>8) )
3793 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3794 # define htovl(x) vtohl(x)
3795 # define htovs(x) vtohs(x)
3797 # error "Unsupported byteorder"
3798 /* If you have need for current perl on PDP-11 or similar, and can help test
3799 that blead keeps working on a mixed-endian system, then see
3800 pod/perlhack.pod for how to submit patches to things working again. */
3803 /* *MAX Plus 1. A floating point value.
3804 Hopefully expressed in a way that dodgy floating point can't mess up.
3805 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3807 May find that some broken compiler will want the value cast to I32.
3808 [after the shift, as signed >> may not be as secure as unsigned >>]
3810 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3811 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3812 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3813 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3814 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3816 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
3818 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3819 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3820 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3822 /* This may look like unnecessary jumping through hoops, but converting
3823 out of range floating point values to integers *is* undefined behaviour,
3824 and it is starting to bite.
3827 #define I_32(what) (cast_i32((NV)(what)))
3828 #define U_32(what) (cast_ulong((NV)(what)))
3829 #define I_V(what) (cast_iv((NV)(what)))
3830 #define U_V(what) (cast_uv((NV)(what)))
3832 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3833 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3834 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3835 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3836 : ((n) < U32_MAX_P1 ? (U32) (n) \
3837 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3838 #define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3839 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3840 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3841 #define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3842 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3843 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3846 #define U_S(what) ((U16)U_32(what))
3847 #define U_I(what) ((unsigned int)U_32(what))
3848 #define U_L(what) U_32(what)
3851 # define Perl_signbit signbit
3854 /* These do not care about the fractional part, only about the range. */
3855 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
3856 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
3858 /* Used with UV/IV arguments: */
3859 /* XXXX: need to speed it up */
3860 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3861 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3868 #if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
3869 Uid_t getuid (void);
3870 Uid_t geteuid (void);
3871 Gid_t getgid (void);
3872 Gid_t getegid (void);
3876 #ifndef Perl_debug_log
3877 # define Perl_debug_log PerlIO_stderr()
3880 #ifndef Perl_error_log
3881 # define Perl_error_log (PL_stderrgv \
3882 && isGV(PL_stderrgv) \
3883 && GvIOp(PL_stderrgv) \
3884 && IoOFP(GvIOp(PL_stderrgv)) \
3885 ? IoOFP(GvIOp(PL_stderrgv)) \
3890 #define DEBUG_p_FLAG 0x00000001 /* 1 */
3891 #define DEBUG_s_FLAG 0x00000002 /* 2 */
3892 #define DEBUG_l_FLAG 0x00000004 /* 4 */
3893 #define DEBUG_t_FLAG 0x00000008 /* 8 */
3894 #define DEBUG_o_FLAG 0x00000010 /* 16 */
3895 #define DEBUG_c_FLAG 0x00000020 /* 32 */
3896 #define DEBUG_P_FLAG 0x00000040 /* 64 */
3897 #define DEBUG_m_FLAG 0x00000080 /* 128 */
3898 #define DEBUG_f_FLAG 0x00000100 /* 256 */
3899 #define DEBUG_r_FLAG 0x00000200 /* 512 */
3900 #define DEBUG_x_FLAG 0x00000400 /* 1024 */
3901 #define DEBUG_u_FLAG 0x00000800 /* 2048 */
3902 /* U is reserved for Unofficial, exploratory hacking */
3903 #define DEBUG_U_FLAG 0x00001000 /* 4096 */
3904 #define DEBUG_H_FLAG 0x00002000 /* 8192 */
3905 #define DEBUG_X_FLAG 0x00004000 /* 16384 */
3906 #define DEBUG_D_FLAG 0x00008000 /* 32768 */
3907 #define DEBUG_S_FLAG 0x00010000 /* 65536 */
3908 #define DEBUG_T_FLAG 0x00020000 /* 131072 */
3909 #define DEBUG_R_FLAG 0x00040000 /* 262144 */
3910 #define DEBUG_J_FLAG 0x00080000 /* 524288 */
3911 #define DEBUG_v_FLAG 0x00100000 /*1048576 */
3912 #define DEBUG_C_FLAG 0x00200000 /*2097152 */
3913 #define DEBUG_A_FLAG 0x00400000 /*4194304 */
3914 #define DEBUG_q_FLAG 0x00800000 /*8388608 */
3915 #define DEBUG_M_FLAG 0x01000000 /*16777216*/
3916 #define DEBUG_B_FLAG 0x02000000 /*33554432*/
3917 #define DEBUG_L_FLAG 0x04000000 /*67108864*/
3918 #define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
3920 #define DEBUG_DB_RECURSE_FLAG 0x40000000
3921 #define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3922 that something was done? */
3924 # define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3925 # define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3926 # define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3927 # define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3928 # define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3929 # define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3930 # define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3931 # define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3932 # define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3933 # define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3934 # define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3935 # define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
3936 # define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
3937 # define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3938 # define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3939 # define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3940 # define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3941 # define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3942 # define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
3943 # define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
3944 # define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
3945 # define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
3946 # define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3947 # define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
3948 # define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
3949 # define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
3950 # define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
3951 # define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
3952 # define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
3953 # define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
3957 # define DEBUG_p_TEST DEBUG_p_TEST_
3958 # define DEBUG_s_TEST DEBUG_s_TEST_
3959 # define DEBUG_l_TEST DEBUG_l_TEST_
3960 # define DEBUG_t_TEST DEBUG_t_TEST_
3961 # define DEBUG_o_TEST DEBUG_o_TEST_
3962 # define DEBUG_c_TEST DEBUG_c_TEST_
3963 # define DEBUG_P_TEST DEBUG_P_TEST_
3964 # define DEBUG_m_TEST DEBUG_m_TEST_
3965 # define DEBUG_f_TEST DEBUG_f_TEST_
3966 # define DEBUG_r_TEST DEBUG_r_TEST_
3967 # define DEBUG_x_TEST DEBUG_x_TEST_
3968 # define DEBUG_u_TEST DEBUG_u_TEST_
3969 # define DEBUG_U_TEST DEBUG_U_TEST_
3970 # define DEBUG_H_TEST DEBUG_H_TEST_
3971 # define DEBUG_X_TEST DEBUG_X_TEST_
3972 # define DEBUG_D_TEST DEBUG_D_TEST_
3973 # define DEBUG_S_TEST DEBUG_S_TEST_
3974 # define DEBUG_T_TEST DEBUG_T_TEST_
3975 # define DEBUG_R_TEST DEBUG_R_TEST_
3976 # define DEBUG_J_TEST DEBUG_J_TEST_
3977 # define DEBUG_v_TEST DEBUG_v_TEST_
3978 # define DEBUG_C_TEST DEBUG_C_TEST_
3979 # define DEBUG_A_TEST DEBUG_A_TEST_
3980 # define DEBUG_q_TEST DEBUG_q_TEST_
3981 # define DEBUG_M_TEST DEBUG_M_TEST_
3982 # define DEBUG_B_TEST DEBUG_B_TEST_
3983 # define DEBUG_L_TEST DEBUG_L_TEST_
3984 # define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3985 # define DEBUG_Uv_TEST DEBUG_Uv_TEST_
3986 # define DEBUG_Pv_TEST DEBUG_Pv_TEST_
3988 # define PERL_DEB(a) a
3989 # define PERL_DEBUG(a) if (PL_debug) a
3990 # define DEBUG_p(a) if (DEBUG_p_TEST) a
3991 # define DEBUG_s(a) if (DEBUG_s_TEST) a
3992 # define DEBUG_l(a) if (DEBUG_l_TEST) a
3993 # define DEBUG_t(a) if (DEBUG_t_TEST) a
3994 # define DEBUG_o(a) if (DEBUG_o_TEST) a
3995 # define DEBUG_c(a) if (DEBUG_c_TEST) a
3996 # define DEBUG_P(a) if (DEBUG_P_TEST) a
3998 /* Temporarily turn off memory debugging in case the a
3999 * does memory allocation, either directly or indirectly. */
4000 # define DEBUG_m(a) \
4002 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
4005 # define DEBUG__(t, a) \
4007 if (t) STMT_START {a;} STMT_END; \
4010 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
4011 #ifndef PERL_EXT_RE_BUILD
4012 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
4014 # define DEBUG_r(a) STMT_START {a;} STMT_END
4015 #endif /* PERL_EXT_RE_BUILD */
4016 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
4017 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
4018 # define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
4019 # define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
4020 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
4021 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
4022 # define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
4023 # define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
4024 # define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
4026 # define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
4027 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
4028 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
4029 # define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
4030 # define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
4031 # define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
4032 # define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
4033 # define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
4034 # define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
4035 # define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
4037 #else /* DEBUGGING */
4039 # define DEBUG_p_TEST (0)
4040 # define DEBUG_s_TEST (0)
4041 # define DEBUG_l_TEST (0)
4042 # define DEBUG_t_TEST (0)
4043 # define DEBUG_o_TEST (0)
4044 # define DEBUG_c_TEST (0)
4045 # define DEBUG_P_TEST (0)
4046 # define DEBUG_m_TEST (0)
4047 # define DEBUG_f_TEST (0)
4048 # define DEBUG_r_TEST (0)
4049 # define DEBUG_x_TEST (0)
4050 # define DEBUG_u_TEST (0)
4051 # define DEBUG_U_TEST (0)
4052 # define DEBUG_H_TEST (0)
4053 # define DEBUG_X_TEST (0)
4054 # define DEBUG_D_TEST (0)
4055 # define DEBUG_S_TEST (0)
4056 # define DEBUG_T_TEST (0)
4057 # define DEBUG_R_TEST (0)
4058 # define DEBUG_J_TEST (0)
4059 # define DEBUG_v_TEST (0)
4060 # define DEBUG_C_TEST (0)
4061 # define DEBUG_A_TEST (0)
4062 # define DEBUG_q_TEST (0)
4063 # define DEBUG_M_TEST (0)
4064 # define DEBUG_B_TEST (0)
4065 # define DEBUG_L_TEST (0)
4066 # define DEBUG_Xv_TEST (0)
4067 # define DEBUG_Uv_TEST (0)
4068 # define DEBUG_Pv_TEST (0)
4070 # define PERL_DEB(a)
4071 # define PERL_DEBUG(a)
4098 # define DEBUG_Xv(a)
4099 # define DEBUG_Uv(a)
4100 # define DEBUG_Pv(a)
4101 #endif /* DEBUGGING */
4104 #define DEBUG_SCOPE(where) \
4106 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
4107 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
4108 __FILE__, __LINE__));
4110 /* Keep the old croak based assert for those who want it, and as a fallback if
4111 the platform is so heretically non-ANSI that it can't assert. */
4113 #define Perl_assert(what) PERL_DEB( \
4114 ((what) ? ((void) 0) : \
4115 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
4116 "\", line %d", STRINGIFY(what), __LINE__), \
4119 /* assert() gets defined if DEBUGGING (and I_ASSERT).
4120 * If no DEBUGGING, the <assert.h> has not been included. */
4122 # define assert(what) Perl_assert(what)
4125 # define assert_(what) assert(what),
4127 # define assert_(what)
4131 I32 (*uf_val)(pTHX_ IV, SV*);
4132 I32 (*uf_set)(pTHX_ IV, SV*);
4136 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
4137 * XS code wanting to be backward compatible can do something
4138 * like the following:
4140 #ifndef PERL_MG_UFUNC
4141 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
4144 static PERL_MG_UFUNC(foo_get, index, val)
4154 #ifndef PERL_MG_UFUNC
4155 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
4158 /* Fix these up for __STDC__ */
4159 #ifndef DONT_DECLARE_STD
4160 char *mktemp (char*);
4162 double atof (const char*);
4167 /* All of these are in stdlib.h or time.h for ANSI C */
4169 struct tm *gmtime(), *localtime();
4171 char *(strchr)(), *(strrchr)();
4172 char *(strcpy)(), *(strcat)();
4174 char *strchr(), *strrchr();
4175 char *strcpy(), *strcat();
4177 #endif /* ! STANDARD_C */
4183 /* isfinite and others are here rather than in math.h as C99 stipulates */
4188 double exp (double);
4189 double log (double);
4190 double log10 (double);
4191 double sqrt (double);
4192 double frexp (double,int*);
4193 double ldexp (double,int);
4194 double modf (double,double*);
4195 double sin (double);
4196 double cos (double);
4197 double atan2 (double,double);
4198 double pow (double,double);
4203 # if !defined(NV_INF) && defined(HUGE_VAL)
4204 # define NV_INF HUGE_VAL
4206 /* For WIN32 the best NV_NAN is the __PL_nan_u trick, see below.
4207 * There is no supported way of getting the NAN across all the crts. */
4210 /* If you are thinking of using HUGE_VAL for infinity, or using
4211 * <math.h> functions to generate NV_INF (e.g. exp(1e9), log(-1.0)),
4212 * stop. Neither will work portably: HUGE_VAL can be just DBL_MAX,
4213 * and the math functions might be just generating DBL_MAX, or even
4216 #if !defined(NV_INF) && defined(USE_LONG_DOUBLE)
4217 # if !defined(NV_INF) && defined(LDBL_INFINITY)
4218 # define NV_INF LDBL_INFINITY
4220 # if !defined(NV_INF) && defined(INFINITYL)
4221 # define NV_INF INFINITYL
4224 #if !defined(NV_INF) && defined(DBL_INFINITY)
4225 # define NV_INF (NV)DBL_INFINITY
4227 #if !defined(NV_INF) && defined(INFINITY)
4228 # define NV_INF (NV)INFINITY
4230 #if !defined(NV_INF) && defined(INF)
4231 # define NV_INF (NV)INF
4233 #if !defined(NV_INF)
4235 /* At this point we assume the IEEE 754 floating point (and of course,
4236 * we also assume a floating point format that can encode an infinity).
4237 * We will coerce an int32 (which will encode the infinity) into
4238 * a 32-bit float, which will then be cast into NV.
4240 * Note that we intentionally use a float and 32-bit int, instead of
4241 * shifting a small integer into a full IV, and from that into a full
4244 * (1) an IV might not be wide enough to cover all the bits of an NV.
4245 * (2) the exponent part (including the infinity and nan bits) of a NV
4246 * might be wider than just 16 bits.
4248 * Below the NV_NAN logic has similar __PL_nan_u fallback, the only
4249 * difference being the int32 constant being coerced. */
4250 # define __PL_inf_float_int32 0x7F800000
4251 static const union { unsigned int __i; float __f; } __PL_inf_u =
4252 { __PL_inf_float_int32 };
4253 # define NV_INF ((NV)(__PL_inf_u.__f))
4256 #if !defined(NV_INF)
4257 # define NV_INF ((NV)1.0/0.0) /* Some compilers will warn. */
4260 #if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
4261 # if !defined(NV_NAN) && defined(LDBL_NAN)
4262 # define NV_NAN LDBL_NAN
4264 # if !defined(NV_NAN) && defined(NANL)
4265 # define NV_NAN NANL
4267 # if !defined(NV_NAN) && defined(LDBL_QNAN)
4268 # define NV_NAN LDBL_QNAN
4270 # if !defined(NV_NAN) && defined(LDBL_SNAN)
4271 # define NV_NAN LDBL_SNAN
4274 #if !defined(NV_NAN) && defined(DBL_NAN)
4275 # define NV_NAN (NV)DBL_NAN
4277 #if !defined(NV_NAN) && defined(DBL_QNAN)
4278 # define NV_NAN (NV)DBL_QNAN
4280 #if !defined(NV_NAN) && defined(DBL_SNAN)
4281 # define NV_NAN (NV)DBL_SNAN
4283 #if !defined(NV_NAN) && defined(NAN)
4284 # define NV_NAN (NV)NAN
4286 #if !defined(NV_NAN) && defined(QNAN)
4287 # define NV_NAN (NV)QNAN
4289 #if !defined(NV_NAN) && defined(SNAN)
4290 # define NV_NAN (NV)SNAN
4292 #if !defined(NV_NAN)
4294 /* See the discussion near __PL_inf_u. */
4295 # define __PL_nan_float_int32 0x7FC00000
4296 static const union { unsigned int __i; float __f; } __PL_nan_u =
4297 { __PL_nan_float_int32 };
4298 # define NV_NAN ((NV)(__PL_nan_u.__f))
4301 #if !defined(NV_NAN)
4302 # define NV_NAN ((NV)0.0/0.0) /* Some compilers will warn. */
4304 /* Do NOT try doing NV_NAN based on NV_INF and trying (NV_INF-NV_INF).
4305 * Though IEEE-754-logically correct, some compilers (like Visual C 2003)
4306 * falsely misoptimize that to zero (x-x is zero, right?) */
4309 # if !defined(WIN32) && !defined(VMS)
4311 char *crypt (const char*, const char*);
4313 # endif /* !WIN32 */
4314 # ifndef DONT_DECLARE_STD
4316 char *getenv (const char*);
4317 # endif /* !getenv */
4318 # if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
4319 # ifdef _FILE_OFFSET_BITS
4320 # if _FILE_OFFSET_BITS == 64
4321 Off_t lseek (int,Off_t,int);
4325 # endif /* !DONT_DECLARE_STD */
4328 char *getlogin (void);
4330 # endif /* !WIN32 */
4331 #endif /* !__cplusplus */
4333 /* Fixme on VMS. This needs to be a run-time, not build time options */
4334 /* Also rename() is affected by this */
4335 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
4336 #define UNLINK unlnk
4337 I32 unlnk (pTHX_ const char*);
4339 #define UNLINK PerlLIO_unlink
4342 /* some versions of glibc are missing the setresuid() proto */
4343 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
4344 int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4346 /* some versions of glibc are missing the setresgid() proto */
4347 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
4348 int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4351 #ifndef HAS_SETREUID
4352 # ifdef HAS_SETRESUID
4353 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4354 # define HAS_SETREUID
4357 #ifndef HAS_SETREGID
4358 # ifdef HAS_SETRESGID
4359 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4360 # define HAS_SETREGID
4364 /* Sighandler_t defined in iperlsys.h */
4366 #ifdef HAS_SIGACTION
4367 typedef struct sigaction Sigsave_t;
4369 typedef Sighandler_t Sigsave_t;
4380 # define RUNOPS_DEFAULT Perl_runops_debug
4382 # define RUNOPS_DEFAULT Perl_runops_standard
4385 #if defined(USE_PERLIO)
4386 EXTERN_C void PerlIO_teardown(void);
4387 # ifdef USE_ITHREADS
4388 # define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4389 # define PERLIO_TERM \
4391 PerlIO_teardown(); \
4392 MUTEX_DESTROY(&PL_perlio_mutex);\
4395 # define PERLIO_INIT
4396 # define PERLIO_TERM PerlIO_teardown()
4399 # define PERLIO_INIT
4400 # define PERLIO_TERM
4404 # ifdef MUTEX_INIT_CALLS_MALLOC
4405 # define MALLOC_INIT \
4407 PL_malloc_mutex = NULL; \
4408 MUTEX_INIT(&PL_malloc_mutex); \
4410 # define MALLOC_TERM \
4412 perl_mutex tmp = PL_malloc_mutex; \
4413 PL_malloc_mutex = NULL; \
4414 MUTEX_DESTROY(&tmp); \
4417 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4418 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4421 # define MALLOC_INIT
4422 # define MALLOC_TERM
4425 #if defined(PERL_IMPLICIT_CONTEXT)
4427 struct perl_memory_debug_header;
4428 struct perl_memory_debug_header {
4430 # if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
4433 struct perl_memory_debug_header *prev;
4434 struct perl_memory_debug_header *next;
4435 # ifdef PERL_DEBUG_READONLY_COW
4440 #elif defined(PERL_DEBUG_READONLY_COW)
4442 struct perl_memory_debug_header;
4443 struct perl_memory_debug_header {
4449 #if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
4451 # define PERL_MEMORY_DEBUG_HEADER_SIZE \
4452 (sizeof(struct perl_memory_debug_header) + \
4453 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4454 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4457 # define PERL_MEMORY_DEBUG_HEADER_SIZE 0
4460 #ifdef PERL_TRACK_MEMPOOL
4461 # ifdef PERL_DEBUG_READONLY_COW
4462 # define INIT_TRACK_MEMPOOL(header, interp) \
4464 (header).interpreter = (interp); \
4465 (header).prev = (header).next = &(header); \
4466 (header).readonly = 0; \
4469 # define INIT_TRACK_MEMPOOL(header, interp) \
4471 (header).interpreter = (interp); \
4472 (header).prev = (header).next = &(header); \
4476 # define INIT_TRACK_MEMPOOL(header, interp)
4479 #ifdef I_MALLOCMALLOC
4480 /* Needed for malloc_size(), malloc_good_size() on some systems */
4481 # include <malloc/malloc.h>
4485 # define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
4487 # if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
4488 # ifdef PERL_TRACK_MEMPOOL
4489 # define Perl_safesysmalloc_size(where) \
4490 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4492 # define Perl_safesysmalloc_size(where) malloc_size(where)
4495 # ifdef HAS_MALLOC_GOOD_SIZE
4496 # ifdef PERL_TRACK_MEMPOOL
4497 # define Perl_malloc_good_size(how_much) \
4498 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4500 # define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4503 /* Having this as the identity operation makes some code simpler. */
4504 # define Perl_malloc_good_size(how_much) (how_much)
4508 typedef int (*runops_proc_t)(pTHX);
4509 typedef void (*share_proc_t) (pTHX_ SV *sv);
4510 typedef int (*thrhook_proc_t) (pTHX);
4511 typedef OP* (*PPADDR_t[]) (pTHX);
4512 typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4513 typedef void (*despatch_signals_proc_t) (pTHX);
4515 #if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4516 # include <crt_externs.h> /* for the env array */
4517 # define environ (*_NSGetEnviron())
4519 /* VMS and some other platforms don't use the environ array */
4520 # ifdef USE_ENVIRON_ARRAY
4521 # if !defined(DONT_DECLARE_STD) || \
4522 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
4524 extern char ** environ; /* environment variables supplied via exec */
4529 #define PERL_PATCHLEVEL_H_IMPLICIT
4530 #include "patchlevel.h"
4531 #undef PERL_PATCHLEVEL_H_IMPLICIT
4533 #define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4534 STRINGIFY(PERL_VERSION) "." \
4535 STRINGIFY(PERL_SUBVERSION)
4537 #define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4538 STRINGIFY(PERL_API_VERSION) "." \
4539 STRINGIFY(PERL_API_SUBVERSION)
4543 /* handy constants */
4544 EXTCONST char PL_warn_uninit[]
4545 INIT("Use of uninitialized value%s%s%s");
4546 EXTCONST char PL_warn_uninit_sv[]
4547 INIT("Use of uninitialized value%" SVf "%s%s");
4548 EXTCONST char PL_warn_nosemi[]
4549 INIT("Semicolon seems to be missing");
4550 EXTCONST char PL_warn_reserved[]
4551 INIT("Unquoted string \"%s\" may clash with future reserved word");
4552 EXTCONST char PL_warn_nl[]
4553 INIT("Unsuccessful %s on filename containing newline");
4554 EXTCONST char PL_no_wrongref[]
4555 INIT("Can't use %s ref as %s ref");
4556 /* The core no longer needs these here. If you require the string constant,
4557 please inline a copy into your own code. */
4558 EXTCONST char PL_no_symref[] __attribute__deprecated__
4559 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
4560 EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4561 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
4562 EXTCONST char PL_no_usym[]
4563 INIT("Can't use an undefined value as %s reference");
4564 EXTCONST char PL_no_aelem[]
4565 INIT("Modification of non-creatable array value attempted, subscript %d");
4566 EXTCONST char PL_no_helem_sv[]
4567 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
4568 EXTCONST char PL_no_modify[]
4569 INIT("Modification of a read-only value attempted");
4570 EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
4571 INIT("Out of memory!\n");
4572 EXTCONST char PL_no_security[]
4573 INIT("Insecure dependency in %s%s");
4574 EXTCONST char PL_no_sock_func[]
4575 INIT("Unsupported socket function \"%s\" called");
4576 EXTCONST char PL_no_dir_func[]
4577 INIT("Unsupported directory function \"%s\" called");
4578 EXTCONST char PL_no_func[]
4579 INIT("The %s function is unimplemented");
4580 EXTCONST char PL_no_myglob[]
4581 INIT("\"%s\" variable %s can't be in a package");
4582 EXTCONST char PL_no_localize_ref[]
4583 INIT("Can't localize through a reference");
4584 EXTCONST char PL_memory_wrap[]
4585 INIT("panic: memory wrap");
4587 EXTCONST char PL_Yes[]
4589 EXTCONST char PL_No[]
4591 EXTCONST char PL_hexdigit[]
4592 INIT("0123456789abcdef0123456789ABCDEF");
4594 /* This is constant on most architectures, a global on OS/2 */
4596 EXTCONST char PL_sh_path[]
4597 INIT(SH_PATH); /* full path of shell */
4601 EXTCONST char PL_cshname[]
4603 # define PL_cshlen (sizeof(CSH "") - 1)
4606 /* These are baked at compile time into any shared perl library.
4607 In future releases this will allow us in main() to sanity test the
4608 library we're linking against. */
4610 EXTCONST U8 PL_revision
4611 INIT(PERL_REVISION);
4612 EXTCONST U8 PL_version
4614 EXTCONST U8 PL_subversion
4615 INIT(PERL_SUBVERSION);
4617 EXTCONST char PL_uuemap[65]
4618 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4621 EXTCONST char PL_uudmap[256] =
4623 # include "uuudmap.h"
4625 # include "uudmap.h"
4628 EXTCONST char PL_bitcount[256] =
4630 # include "ubitcount.h"
4632 # include "bitcount.h"
4635 EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4636 EXTCONST int PL_sig_num[] = { SIG_NUM };
4638 EXTCONST char PL_uudmap[256];
4639 EXTCONST char PL_bitcount[256];
4640 EXTCONST char* const PL_sig_name[];
4641 EXTCONST int PL_sig_num[];
4644 /* fast conversion and case folding tables. The folding tables complement the
4645 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4646 * folds such as outside the range or to multiple characters. */
4651 /* The EBCDIC fold table depends on the code page, and hence is found in
4654 EXTCONST unsigned char PL_fold[] = {
4655 0, 1, 2, 3, 4, 5, 6, 7,
4656 8, 9, 10, 11, 12, 13, 14, 15,
4657 16, 17, 18, 19, 20, 21, 22, 23,
4658 24, 25, 26, 27, 28, 29, 30, 31,
4659 32, 33, 34, 35, 36, 37, 38, 39,
4660 40, 41, 42, 43, 44, 45, 46, 47,
4661 48, 49, 50, 51, 52, 53, 54, 55,
4662 56, 57, 58, 59, 60, 61, 62, 63,
4663 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4664 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4665 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4666 'x', 'y', 'z', 91, 92, 93, 94, 95,
4667 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4668 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4669 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4670 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4671 128, 129, 130, 131, 132, 133, 134, 135,
4672 136, 137, 138, 139, 140, 141, 142, 143,
4673 144, 145, 146, 147, 148, 149, 150, 151,
4674 152, 153, 154, 155, 156, 157, 158, 159,
4675 160, 161, 162, 163, 164, 165, 166, 167,
4676 168, 169, 170, 171, 172, 173, 174, 175,
4677 176, 177, 178, 179, 180, 181, 182, 183,
4678 184, 185, 186, 187, 188, 189, 190, 191,
4679 192, 193, 194, 195, 196, 197, 198, 199,
4680 200, 201, 202, 203, 204, 205, 206, 207,
4681 208, 209, 210, 211, 212, 213, 214, 215,
4682 216, 217, 218, 219, 220, 221, 222, 223,
4683 224, 225, 226, 227, 228, 229, 230, 231,
4684 232, 233, 234, 235, 236, 237, 238, 239,
4685 240, 241, 242, 243, 244, 245, 246, 247,
4686 248, 249, 250, 251, 252, 253, 254, 255
4688 EXTCONST unsigned char PL_fold_latin1[] = {
4689 /* Full latin1 complement folding, except for three problematic code points:
4690 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4691 * fold complements outside the Latin1 range, so can't match something
4692 * that isn't in utf8.
4693 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4694 * not one, so can't be represented in this table.
4696 * All have to be specially handled */
4697 0, 1, 2, 3, 4, 5, 6, 7,
4698 8, 9, 10, 11, 12, 13, 14, 15,
4699 16, 17, 18, 19, 20, 21, 22, 23,
4700 24, 25, 26, 27, 28, 29, 30, 31,
4701 32, 33, 34, 35, 36, 37, 38, 39,
4702 40, 41, 42, 43, 44, 45, 46, 47,
4703 48, 49, 50, 51, 52, 53, 54, 55,
4704 56, 57, 58, 59, 60, 61, 62, 63,
4705 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4706 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4707 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4708 'x', 'y', 'z', 91, 92, 93, 94, 95,
4709 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4710 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4711 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4712 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4713 128, 129, 130, 131, 132, 133, 134, 135,
4714 136, 137, 138, 139, 140, 141, 142, 143,
4715 144, 145, 146, 147, 148, 149, 150, 151,
4716 152, 153, 154, 155, 156, 157, 158, 159,
4717 160, 161, 162, 163, 164, 165, 166, 167,
4718 168, 169, 170, 171, 172, 173, 174, 175,
4719 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4720 184, 185, 186, 187, 188, 189, 190, 191,
4721 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4722 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4723 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4724 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4725 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4726 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4727 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4728 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4729 255 /* y with diaeresis */
4732 /* If these tables are accessed through ebcdic, the access will be converted to
4734 EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4735 0, 1, 2, 3, 4, 5, 6, 7,
4736 8, 9, 10, 11, 12, 13, 14, 15,
4737 16, 17, 18, 19, 20, 21, 22, 23,
4738 24, 25, 26, 27, 28, 29, 30, 31,
4739 32, 33, 34, 35, 36, 37, 38, 39,
4740 40, 41, 42, 43, 44, 45, 46, 47,
4741 48, 49, 50, 51, 52, 53, 54, 55,
4742 56, 57, 58, 59, 60, 61, 62, 63,
4743 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4744 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4745 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4746 'x', 'y', 'z', 91, 92, 93, 94, 95,
4747 96, 97, 98, 99, 100, 101, 102, 103,
4748 104, 105, 106, 107, 108, 109, 110, 111,
4749 112, 113, 114, 115, 116, 117, 118, 119,
4750 120, 121, 122, 123, 124, 125, 126, 127,
4751 128, 129, 130, 131, 132, 133, 134, 135,
4752 136, 137, 138, 139, 140, 141, 142, 143,
4753 144, 145, 146, 147, 148, 149, 150, 151,
4754 152, 153, 154, 155, 156, 157, 158, 159,
4755 160, 161, 162, 163, 164, 165, 166, 167,
4756 168, 169, 170, 171, 172, 173, 174, 175,
4757 176, 177, 178, 179, 180, 181, 182, 183,
4758 184, 185, 186, 187, 188, 189, 190, 191,
4759 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4760 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4761 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4762 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4763 224, 225, 226, 227, 228, 229, 230, 231,
4764 232, 233, 234, 235, 236, 237, 238, 239,
4765 240, 241, 242, 243, 244, 245, 246, 247,
4766 248, 249, 250, 251, 252, 253, 254, 255
4769 /* upper and title case of latin1 characters, modified so that the three tricky
4770 * ones are mapped to 255 (which is one of the three) */
4771 EXTCONST unsigned char PL_mod_latin1_uc[] = {
4772 0, 1, 2, 3, 4, 5, 6, 7,
4773 8, 9, 10, 11, 12, 13, 14, 15,
4774 16, 17, 18, 19, 20, 21, 22, 23,
4775 24, 25, 26, 27, 28, 29, 30, 31,
4776 32, 33, 34, 35, 36, 37, 38, 39,
4777 40, 41, 42, 43, 44, 45, 46, 47,
4778 48, 49, 50, 51, 52, 53, 54, 55,
4779 56, 57, 58, 59, 60, 61, 62, 63,
4780 64, 65, 66, 67, 68, 69, 70, 71,
4781 72, 73, 74, 75, 76, 77, 78, 79,
4782 80, 81, 82, 83, 84, 85, 86, 87,
4783 88, 89, 90, 91, 92, 93, 94, 95,
4784 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4785 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4786 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4787 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4788 128, 129, 130, 131, 132, 133, 134, 135,
4789 136, 137, 138, 139, 140, 141, 142, 143,
4790 144, 145, 146, 147, 148, 149, 150, 151,
4791 152, 153, 154, 155, 156, 157, 158, 159,
4792 160, 161, 162, 163, 164, 165, 166, 167,
4793 168, 169, 170, 171, 172, 173, 174, 175,
4794 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4795 184, 185, 186, 187, 188, 189, 190, 191,
4796 192, 193, 194, 195, 196, 197, 198, 199,
4797 200, 201, 202, 203, 204, 205, 206, 207,
4798 208, 209, 210, 211, 212, 213, 214, 215,
4799 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4800 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4801 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4802 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4803 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4805 #endif /* !EBCDIC, but still in DOINIT */
4806 #else /* ! DOINIT */
4808 EXTCONST unsigned char PL_fold[];
4809 EXTCONST unsigned char PL_fold_latin1[];
4810 EXTCONST unsigned char PL_mod_latin1_uc[];
4811 EXTCONST unsigned char PL_latin1_lc[];
4815 #ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
4817 EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
4818 0, 1, 2, 3, 4, 5, 6, 7,
4819 8, 9, 10, 11, 12, 13, 14, 15,
4820 16, 17, 18, 19, 20, 21, 22, 23,
4821 24, 25, 26, 27, 28, 29, 30, 31,
4822 32, 33, 34, 35, 36, 37, 38, 39,
4823 40, 41, 42, 43, 44, 45, 46, 47,
4824 48, 49, 50, 51, 52, 53, 54, 55,
4825 56, 57, 58, 59, 60, 61, 62, 63,
4826 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4827 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4828 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4829 'x', 'y', 'z', 91, 92, 93, 94, 95,
4830 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4831 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4832 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4833 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4834 128, 129, 130, 131, 132, 133, 134, 135,
4835 136, 137, 138, 139, 140, 141, 142, 143,
4836 144, 145, 146, 147, 148, 149, 150, 151,
4837 152, 153, 154, 155, 156, 157, 158, 159,
4838 160, 161, 162, 163, 164, 165, 166, 167,
4839 168, 169, 170, 171, 172, 173, 174, 175,
4840 176, 177, 178, 179, 180, 181, 182, 183,
4841 184, 185, 186, 187, 188, 189, 190, 191,
4842 192, 193, 194, 195, 196, 197, 198, 199,
4843 200, 201, 202, 203, 204, 205, 206, 207,
4844 208, 209, 210, 211, 212, 213, 214, 215,
4845 216, 217, 218, 219, 220, 221, 222, 223,
4846 224, 225, 226, 227, 228, 229, 230, 231,
4847 232, 233, 234, 235, 236, 237, 238, 239,
4848 240, 241, 242, 243, 244, 245, 246, 247,
4849 248, 249, 250, 251, 252, 253, 254, 255
4852 EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
4854 #endif /* !PERL_GLOBAL_STRUCT */
4858 EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
4859 1, 2, 84, 151, 154, 155, 156, 157,
4860 165, 246, 250, 3, 158, 7, 18, 29,
4861 40, 51, 62, 73, 85, 96, 107, 118,
4862 129, 140, 147, 148, 149, 150, 152, 153,
4863 255, 6, 8, 9, 10, 11, 12, 13,
4864 14, 15, 24, 25, 26, 27, 28, 226,
4865 29, 30, 31, 32, 33, 43, 44, 45,
4866 46, 47, 48, 49, 50, 76, 77, 78,
4867 79, 80, 81, 82, 83, 84, 85, 86,
4868 87, 94, 95, 234, 181, 233, 187, 190,
4869 180, 96, 97, 98, 99, 100, 101, 102,
4870 104, 112, 182, 174, 236, 232, 229, 103,
4871 228, 226, 114, 115, 116, 117, 118, 119,
4872 120, 121, 122, 235, 176, 230, 194, 162,
4873 130, 131, 132, 133, 134, 135, 136, 137,
4874 138, 139, 201, 205, 163, 217, 220, 224,
4875 5, 248, 227, 244, 242, 255, 241, 231,
4876 240, 253, 16, 197, 19, 20, 21, 187,
4877 23, 169, 210, 245, 237, 249, 247, 239,
4878 168, 252, 34, 196, 36, 37, 38, 39,
4879 41, 42, 251, 254, 238, 223, 221, 213,
4880 225, 177, 52, 53, 54, 55, 56, 57,
4881 58, 59, 60, 61, 63, 64, 65, 66,
4882 67, 68, 69, 70, 71, 72, 74, 75,
4883 205, 208, 186, 202, 200, 218, 198, 179,
4884 178, 214, 88, 89, 90, 91, 92, 93,
4885 217, 166, 170, 207, 199, 209, 206, 204,
4886 160, 212, 105, 106, 108, 109, 110, 111,
4887 203, 113, 216, 215, 192, 175, 193, 243,
4888 172, 161, 123, 124, 125, 126, 127, 128,
4889 222, 219, 211, 195, 188, 193, 185, 184,
4890 191, 183, 141, 142, 143, 144, 145, 146
4892 #else /* ascii rather than ebcdic */
4893 EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
4894 1, 2, 84, 151, 154, 155, 156, 157,
4895 165, 246, 250, 3, 158, 7, 18, 29,
4896 40, 51, 62, 73, 85, 96, 107, 118,
4897 129, 140, 147, 148, 149, 150, 152, 153,
4898 255, 182, 224, 205, 174, 176, 180, 217,
4899 233, 232, 236, 187, 235, 228, 234, 226,
4900 222, 219, 211, 195, 188, 193, 185, 184,
4901 191, 183, 201, 229, 181, 220, 194, 162,
4902 163, 208, 186, 202, 200, 218, 198, 179,
4903 178, 214, 166, 170, 207, 199, 209, 206,
4904 204, 160, 212, 216, 215, 192, 175, 173,
4905 243, 172, 161, 190, 203, 189, 164, 230,
4906 167, 248, 227, 244, 242, 255, 241, 231,
4907 240, 253, 169, 210, 245, 237, 249, 247,
4908 239, 168, 252, 251, 254, 238, 223, 221,
4909 213, 225, 177, 197, 171, 196, 159, 4,
4910 5, 6, 8, 9, 10, 11, 12, 13,
4911 14, 15, 16, 17, 19, 20, 21, 22,
4912 23, 24, 25, 26, 27, 28, 30, 31,
4913 32, 33, 34, 35, 36, 37, 38, 39,
4914 41, 42, 43, 44, 45, 46, 47, 48,
4915 49, 50, 52, 53, 54, 55, 56, 57,
4916 58, 59, 60, 61, 63, 64, 65, 66,
4917 67, 68, 69, 70, 71, 72, 74, 75,
4918 76, 77, 78, 79, 80, 81, 82, 83,
4919 86, 87, 88, 89, 90, 91, 92, 93,
4920 94, 95, 97, 98, 99, 100, 101, 102,
4921 103, 104, 105, 106, 108, 109, 110, 111,
4922 112, 113, 114, 115, 116, 117, 119, 120,
4923 121, 122, 123, 124, 125, 126, 127, 128,
4924 130, 131, 132, 133, 134, 135, 136, 137,
4925 138, 139, 141, 142, 143, 144, 145, 146
4929 EXTCONST unsigned char PL_freq[];
4932 /* Although only used for debugging, these constants must be available in
4933 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4934 * which has DEBUGGING enabled always */
4936 EXTCONST char* const PL_block_type[] = {
4951 EXTCONST char* PL_block_type[];
4954 /* These are all the compile time options that affect binary compatibility.
4955 Other compile time options that are binary compatible are in perl.c
4956 Both are combined for the output of perl -V
4957 However, this string will be embedded in any shared perl library, which will
4958 allow us add a comparison check in perlmain.c in the near future. */
4960 EXTCONST char PL_bincompat_options[] =
4961 # ifdef DEBUG_LEAKING_SCALARS
4962 " DEBUG_LEAKING_SCALARS"
4964 # ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4965 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4973 # ifdef HAVE_INTERP_INTERN
4974 " HAVE_INTERP_INTERN"
4976 # ifdef MULTIPLICITY
4982 # ifdef PERLIO_LAYERS
4985 # ifdef PERL_DEBUG_READONLY_COW
4986 " PERL_DEBUG_READONLY_COW"
4988 # ifdef PERL_DEBUG_READONLY_OPS
4989 " PERL_DEBUG_READONLY_OPS"
4991 # ifdef PERL_GLOBAL_STRUCT
4992 " PERL_GLOBAL_STRUCT"
4994 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
4995 " PERL_GLOBAL_STRUCT_PRIVATE"
4997 # ifdef PERL_IMPLICIT_CONTEXT
4998 " PERL_IMPLICIT_CONTEXT"
5000 # ifdef PERL_IMPLICIT_SYS
5001 " PERL_IMPLICIT_SYS"
5006 # ifdef PERL_NEED_APPCTX
5009 # ifdef PERL_NEED_TIMESBASE
5010 " PERL_NEED_TIMESBASE"
5012 # ifdef PERL_OLD_COPY_ON_WRITE
5013 " PERL_OLD_COPY_ON_WRITE"
5018 # ifdef PERL_SAWAMPERSAND
5019 " PERL_SAWAMPERSAND"
5021 # ifdef PERL_TRACK_MEMPOOL
5022 " PERL_TRACK_MEMPOOL"
5024 # ifdef PERL_USES_PL_PIDSTATUS
5025 " PERL_USES_PL_PIDSTATUS"
5027 # ifdef USE_64_BIT_ALL
5030 # ifdef USE_64_BIT_INT
5036 # ifdef USE_ITHREADS
5039 # ifdef USE_LARGE_FILES
5042 # ifdef USE_LOCALE_COLLATE
5043 " USE_LOCALE_COLLATE"
5045 # ifdef USE_LOCALE_NUMERIC
5046 " USE_LOCALE_NUMERIC"
5048 # ifdef USE_LOCALE_TIME
5051 # ifdef USE_LONG_DOUBLE
5057 # ifdef USE_QUADMATH
5060 # ifdef USE_REENTRANT_API
5061 " USE_REENTRANT_API"
5066 # ifdef VMS_DO_SOCKETS
5069 # ifdef VMS_SHORTEN_LONG_SYMBOLS
5070 " VMS_SHORTEN_LONG_SYMBOLS"
5072 # ifdef VMS_WE_ARE_CASE_SENSITIVE
5073 " VMS_SYMBOL_CASE_AS_IS"
5077 EXTCONST char PL_bincompat_options[];
5080 #ifndef PERL_SET_PHASE
5081 # define PERL_SET_PHASE(new_phase) \
5082 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
5083 PL_phase = new_phase;
5086 /* The interpreter phases. If these ever change, PL_phase_names right below will
5087 * need to be updated accordingly. */
5089 PERL_PHASE_CONSTRUCT = 0,
5090 PERL_PHASE_START = 1,
5091 PERL_PHASE_CHECK = 2,
5092 PERL_PHASE_INIT = 3,
5095 PERL_PHASE_DESTRUCT = 6
5099 EXTCONST char *const PL_phase_names[] = {
5109 EXTCONST char *const PL_phase_names[];
5113 /* Do not use this macro. It only exists for extensions that rely on PL_dirty
5114 * instead of using the newer PL_phase, which provides everything PL_dirty
5115 * provided, and more. */
5116 # define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
5118 # define PL_amagic_generation PL_na
5119 #endif /* !PERL_CORE */
5121 #define PL_hints PL_compiling.cop_hints
5125 /*****************************************************************************/
5126 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
5127 /*****************************************************************************/
5128 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
5131 /* LynxOS defines these in scsi.h which is included via ioctl.h */
5140 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
5153 XTERMORDORDOR /* evil hack */
5154 /* update exp_name[] in toke.c if adding to this enum */
5157 /* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
5158 special and there is no need for HINT_PRIVATE_MASK for COPs
5159 However, bitops store HINT_INTEGER in their op_private.
5161 NOTE: The typical module using these has the bit value hard-coded, so don't
5162 blindly change the values of these.
5164 If we run out of bits, the 2 locale ones could be combined. The PARTIAL one
5165 is for "use locale 'FOO'" which excludes some categories. It requires going
5166 to %^H to find out which are in and which are out. This could be extended
5167 for the normal case of a plain HINT_LOCALE, so that %^H would be used for
5169 #define HINT_INTEGER 0x00000001 /* integer pragma */
5170 #define HINT_STRICT_REFS 0x00000002 /* strict pragma */
5171 #define HINT_LOCALE 0x00000004 /* locale pragma */
5172 #define HINT_BYTES 0x00000008 /* bytes pragma */
5173 #define HINT_LOCALE_PARTIAL 0x00000010 /* locale, but a subset of categories */
5175 #define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
5176 #define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
5177 #define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
5179 #define HINT_BLOCK_SCOPE 0x00000100
5180 #define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
5181 #define HINT_STRICT_VARS 0x00000400 /* strict pragma */
5182 #define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
5184 /* The HINT_NEW_* constants are used by the overload pragma */
5185 #define HINT_NEW_INTEGER 0x00001000
5186 #define HINT_NEW_FLOAT 0x00002000
5187 #define HINT_NEW_BINARY 0x00004000
5188 #define HINT_NEW_STRING 0x00008000
5189 #define HINT_NEW_RE 0x00010000
5190 #define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
5191 #define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
5192 #define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
5194 #define HINT_RE_TAINT 0x00100000 /* re pragma */
5195 #define HINT_RE_EVAL 0x00200000 /* re pragma */
5197 #define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
5198 #define HINT_UTF8 0x00800000 /* utf8 pragma */
5200 #define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
5202 #define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
5204 #define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
5206 /* Note: Used for NATIVE_HINTS, currently
5207 defined by vms/vmsish.h:
5212 /* The following are stored in $^H{sort}, not in PL_hints */
5213 #define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
5214 #define HINT_SORT_QUICKSORT 0x00000001
5215 #define HINT_SORT_MERGESORT 0x00000002
5216 #define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
5218 /* flags for PL_sawampersand */
5220 #define SAWAMPERSAND_LEFT 1 /* saw $` */
5221 #define SAWAMPERSAND_MIDDLE 2 /* saw $& */
5222 #define SAWAMPERSAND_RIGHT 4 /* saw $' */
5224 #ifndef PERL_SAWAMPERSAND
5225 # define PL_sawampersand \
5226 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
5229 /* Various states of the input record separator SV (rs) */
5230 #define RsSNARF(sv) (! SvOK(sv))
5231 #define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
5232 #define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5233 #define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
5235 /* A struct for keeping various DEBUGGING related stuff,
5236 * neatly packed. Currently only scratch variables for
5237 * constructing debug output are included. Needed always,
5238 * not just when DEBUGGING, though, because of the re extension. c*/
5239 struct perl_debug_pad {
5243 #define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
5244 #define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
5245 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
5248 /* Enable variables which are pointers to functions */
5249 typedef void (*peep_t)(pTHX_ OP* o);
5250 typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
5251 typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
5252 char* strend, char* strbeg, I32 minend,
5253 SV* screamer, void* data, U32 flags);
5254 typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
5255 char *strpos, char *strend,
5257 re_scream_pos_data *d);
5258 typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
5259 typedef void (*regfree_t) (pTHX_ struct regexp* r);
5260 typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
5261 typedef I32 (*re_fold_t)(const char *, char const *, I32);
5263 typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
5264 typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
5265 typedef void (*SVFUNC_t) (pTHX_ SV* const);
5266 typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
5267 typedef void (*XSINIT_t) (pTHX);
5268 typedef void (*ATEXIT_t) (pTHX_ void*);
5269 typedef void (*XSUBADDR_t) (pTHX_ CV *);
5271 typedef OP* (*Perl_ppaddr_t)(pTHX);
5272 typedef OP* (*Perl_check_t) (pTHX_ OP*);
5273 typedef void(*Perl_ophook_t)(pTHX_ OP*);
5274 typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
5275 typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
5277 typedef void(*globhook_t)(pTHX);
5279 #define KEYWORD_PLUGIN_DECLINE 0
5280 #define KEYWORD_PLUGIN_STMT 1
5281 #define KEYWORD_PLUGIN_EXPR 2
5283 /* Interpreter exitlist entry */
5284 typedef struct exitlistentry {
5285 void (*fn) (pTHX_ void*);
5287 } PerlExitListEntry;
5289 /* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
5290 /* These have to be before perlvars.h */
5291 #if !defined(HAS_SIGACTION) && defined(VMS)
5292 # define FAKE_PERSISTENT_SIGNAL_HANDLERS
5294 /* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
5295 #if defined(KILL_BY_SIGPRC)
5296 # define FAKE_DEFAULT_SIGNAL_HANDLERS
5299 #if !defined(MULTIPLICITY)
5301 struct interpreter {
5307 /* If we have multiple interpreters define a struct
5308 holding variables which must be per-interpreter
5309 If we don't have threads anything that would have
5310 be per-thread is per-interpreter.
5313 /* Set up PERLVAR macros for populating structs */
5314 # define PERLVAR(prefix,var,type) type prefix##var;
5316 /* 'var' is an array of length 'n' */
5317 # define PERLVARA(prefix,var,n,type) type prefix##var[n];
5319 /* initialize 'var' to init' */
5320 # define PERLVARI(prefix,var,type,init) type prefix##var;
5322 /* like PERLVARI, but make 'var' a const */
5323 # define PERLVARIC(prefix,var,type,init) type prefix##var;
5325 struct interpreter {
5326 # include "intrpvar.h"
5329 EXTCONST U16 PL_interp_size
5330 INIT(sizeof(struct interpreter));
5332 # define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
5333 STRUCT_OFFSET(struct interpreter, member) + \
5334 sizeof(((struct interpreter*)0)->member)
5336 /* This will be useful for subsequent releases, because this has to be the
5337 same in your libperl as in main(), else you have a mismatch and must abort.
5339 EXTCONST U16 PL_interp_size_5_18_0
5340 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER));
5343 # ifdef PERL_GLOBAL_STRUCT
5344 /* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
5345 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
5348 # include "perlvars.h"
5351 EXTCONST U16 PL_global_struct_size
5352 INIT(sizeof(struct perl_vars));
5355 # ifndef PERL_GLOBAL_STRUCT_PRIVATE
5356 EXT struct perl_vars PL_Vars;
5357 EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
5358 # undef PERL_GET_VARS
5359 # define PERL_GET_VARS() PL_VarsPtr
5360 # endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
5361 # else /* PERL_CORE */
5362 # if !defined(__GNUC__) || !defined(WIN32)
5365 struct perl_vars *PL_VarsPtr;
5366 # define PL_Vars (*((PL_VarsPtr) \
5367 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
5368 # endif /* PERL_CORE */
5369 # endif /* PERL_GLOBAL_STRUCT */
5371 /* Done with PERLVAR macros for now ... */
5377 #endif /* MULTIPLICITY */
5379 struct tempsym; /* defined in pp_pack.c */
5384 #ifndef PERL_CALLCONV
5386 # define PERL_CALLCONV extern "C"
5388 # define PERL_CALLCONV
5391 #ifndef PERL_CALLCONV_NO_RET
5392 # define PERL_CALLCONV_NO_RET PERL_CALLCONV
5395 /* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
5396 dont have a noreturn as a declaration specifier
5398 #ifndef PERL_STATIC_NO_RET
5399 # define PERL_STATIC_NO_RET STATIC
5401 /* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
5402 builds that dont have a noreturn as a declaration specifier
5404 #ifndef PERL_STATIC_INLINE_NO_RET
5405 # define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
5411 #define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5412 #define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
5415 # include "malloc_ctl.h"
5420 /* this has structure inits, so it cannot be included before here */
5423 /* The following must follow proto.h as #defines mess up syntax */
5425 #if !defined(PERL_FOR_X2P)
5426 # include "embedvar.h"
5429 /* Now include all the 'global' variables
5430 * If we don't have threads or multiple interpreters
5431 * these include variables that would have been their struct-s
5434 #define PERLVAR(prefix,var,type) EXT type PL_##var;
5435 #define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5436 #define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5437 #define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
5439 #if !defined(MULTIPLICITY)
5441 # include "intrpvar.h"
5446 /* All core uses now exterminated. Ensure no zombies can return: */
5450 /* Now all the config stuff is setup we can include embed.h
5451 In particular, need the relevant *ish file included already, as it may
5452 define HAVE_INTERP_INTERN */
5455 #ifndef PERL_GLOBAL_STRUCT
5458 # include "perlvars.h"
5470 /* dummy variables that hold pointers to both runops functions, thus forcing
5471 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5473 EXTCONST runops_proc_t PL_runops_std
5474 INIT(Perl_runops_standard);
5475 EXTCONST runops_proc_t PL_runops_dbg
5476 INIT(Perl_runops_debug);
5478 /* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5479 * magic vtables const, but this is incompatible with SWIG which
5480 * does want to modify the vtables. */
5481 #ifdef PERL_GLOBAL_STRUCT_PRIVATE
5482 # define EXT_MGVTBL EXTCONST MGVTBL
5484 # define EXT_MGVTBL EXT MGVTBL
5487 #define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
5488 #define PERL_MAGIC_VALUE_MAGIC 0x80
5489 #define PERL_MAGIC_VTABLE_MASK 0x3F
5490 #define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5491 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
5492 #define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5493 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5495 #include "mg_vtable.h"
5498 EXTCONST U8 PL_magic_data[256] =
5500 # include "umg_data.h"
5502 # include "mg_data.h"
5506 EXTCONST U8 PL_magic_data[256];
5510 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */
5512 PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5514 PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5516 PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
5518 PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
5520 PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
5522 PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
5526 EXTCONST bool PL_valid_types_IVX[];
5527 EXTCONST bool PL_valid_types_NVX[];
5528 EXTCONST bool PL_valid_types_PVX[];
5529 EXTCONST bool PL_valid_types_RV[];
5530 EXTCONST bool PL_valid_types_IV_set[];
5531 EXTCONST bool PL_valid_types_NV_set[];
5536 /* if these never got defined, they need defaults */
5537 #ifndef PERL_SET_CONTEXT
5538 # define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5541 #ifndef PERL_GET_CONTEXT
5542 # define PERL_GET_CONTEXT PERL_GET_INTERP
5545 #ifndef PERL_GET_THX
5546 # define PERL_GET_THX ((void*)NULL)
5549 #ifndef PERL_SET_THX
5550 # define PERL_SET_THX(t) NOOP
5554 #ifndef PERL_NO_INLINE_FUNCTIONS
5555 /* Static inline funcs that depend on includes and declarations above.
5556 Some of these reference functions in the perl object files, and some
5557 compilers aren't smart enough to eliminate unused static inline
5558 functions, so including this file in source code can cause link errors
5559 even if the source code uses none of the functions. Hence including these
5560 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will
5561 (obviously) result in unworkable XS code, but allows simple probing code
5562 to continue to work, because it permits tests to include the perl headers
5563 for definitions without creating a link dependency on the perl library
5564 (which may not exist yet).
5567 # include "inline.h"
5570 #include "overload.h"
5579 CV* table[NofAMmeth];
5581 struct am_table_short {
5587 typedef struct am_table AMT;
5588 typedef struct am_table_short AMTS;
5590 #define AMGfallNEVER 1
5592 #define AMGfallYES 3
5594 #define AMTf_AMAGIC 1
5595 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5596 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5597 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5599 #define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
5602 * some compilers like to redefine cos et alia as faster
5603 * (and less accurate?) versions called F_cos et cetera (Quidquid
5604 * latine dictum sit, altum viditur.) This trick collides with
5605 * the Perl overloading (amg). The following #defines fool both.
5610 # define F_atan2_amg atan2_amg
5613 # define F_cos_amg cos_amg
5616 # define F_exp_amg exp_amg
5619 # define F_log_amg log_amg
5622 # define F_pow_amg pow_amg
5625 # define F_sin_amg sin_amg
5628 # define F_sqrt_amg sqrt_amg
5630 #endif /* _FASTMATH */
5632 #define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5633 PERLDBf_NOOPT | PERLDBf_INTER | \
5634 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
5635 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5637 /* No _NONAME, _GOTO */
5638 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5639 #define PERLDBf_LINE 0x02 /* Keep line # */
5640 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5641 #define PERLDBf_INTER 0x08 /* Preserve more data for
5642 later inspections */
5643 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5644 #define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5645 #define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5646 #define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5647 #define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5648 #define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
5649 #define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
5650 #define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
5651 #define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
5653 #define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5654 #define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5655 #define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5656 #define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5657 #define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5658 #define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5659 #define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5660 #define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
5661 #define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5662 #define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
5663 #define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
5664 #define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5665 #define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
5668 /* These locale things are all subject to change */
5669 /* Returns TRUE if the plain locale pragma without a parameter is in effect
5671 # define IN_LOCALE_RUNTIME cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE)
5673 /* Returns TRUE if either form of the locale pragma is in effect */
5674 # define IN_SOME_LOCALE_FORM_RUNTIME \
5675 cBOOL(CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
5677 # define IN_LOCALE_COMPILETIME cBOOL(PL_hints & HINT_LOCALE)
5678 # define IN_SOME_LOCALE_FORM_COMPILETIME \
5679 cBOOL(PL_hints & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
5681 # define IN_LOCALE \
5682 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
5683 # define IN_SOME_LOCALE_FORM \
5684 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5685 : IN_SOME_LOCALE_FORM_RUNTIME)
5687 # define IN_LC_ALL_COMPILETIME IN_LOCALE_COMPILETIME
5688 # define IN_LC_ALL_RUNTIME IN_LOCALE_RUNTIME
5690 # define IN_LC_PARTIAL_COMPILETIME cBOOL(PL_hints & HINT_LOCALE_PARTIAL)
5691 # define IN_LC_PARTIAL_RUNTIME \
5692 cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE_PARTIAL)
5694 # define IN_LC_COMPILETIME(category) \
5695 (IN_LC_ALL_COMPILETIME || (IN_LC_PARTIAL_COMPILETIME \
5696 && _is_in_locale_category(TRUE, (category))))
5697 # define IN_LC_RUNTIME(category) \
5698 (IN_LC_ALL_RUNTIME || (IN_LC_PARTIAL_RUNTIME \
5699 && _is_in_locale_category(FALSE, (category))))
5700 # define IN_LC(category) \
5701 (IN_LC_COMPILETIME(category) || IN_LC_RUNTIME(category))
5703 #else /* No locale usage */
5704 # define IN_LOCALE_RUNTIME 0
5705 # define IN_SOME_LOCALE_FORM_RUNTIME 0
5706 # define IN_LOCALE_COMPILETIME 0
5707 # define IN_SOME_LOCALE_FORM_COMPILETIME 0
5708 # define IN_LOCALE 0
5709 # define IN_SOME_LOCALE_FORM 0
5710 # define IN_LC_ALL_COMPILETIME 0
5711 # define IN_LC_ALL_RUNTIME 0
5712 # define IN_LC_PARTIAL_COMPILETIME 0
5713 # define IN_LC_PARTIAL_RUNTIME 0
5714 # define IN_LC_COMPILETIME(category) 0
5715 # define IN_LC_RUNTIME(category) 0
5716 # define IN_LC(category) 0
5719 #ifdef USE_LOCALE_NUMERIC
5721 /* These macros are for toggling between the underlying locale (LOCAL) and the
5724 /* The first set makes sure that the locale is set to C unless within a 'use
5725 * locale's scope; otherwise to the default locale. A function pointer is
5726 * used, which can be declared separately by
5727 * DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED, followed by the actual
5728 * setting (using STORE_LC_NUMERIC_SET_TO_NEEDED()), or the two can be combined
5729 * into one call DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED().
5730 * RESTORE_LC_NUMERIC() in all cases restores the locale to what it was before
5731 * these were called */
5733 #define _NOT_IN_NUMERIC_STANDARD (! PL_numeric_standard)
5735 /* We can lock the category to stay in the C locale, making requests to the
5736 * contrary noops, in the dynamic scope by setting PL_numeric_standard to 2 */
5737 #define _NOT_IN_NUMERIC_LOCAL (! PL_numeric_local && PL_numeric_standard < 2)
5739 #define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \
5740 void (*_restore_LC_NUMERIC_function)(pTHX) = NULL;
5742 #define STORE_LC_NUMERIC_SET_TO_NEEDED() \
5743 if (IN_LC(LC_NUMERIC)) { \
5744 if (_NOT_IN_NUMERIC_LOCAL) { \
5745 set_numeric_local(); \
5746 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
5750 if (_NOT_IN_NUMERIC_STANDARD) { \
5751 SET_NUMERIC_STANDARD(); \
5752 _restore_LC_NUMERIC_function = &Perl_set_numeric_local; \
5756 #define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \
5757 DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \
5758 STORE_LC_NUMERIC_SET_TO_NEEDED();
5760 #define RESTORE_LC_NUMERIC() \
5761 if (_restore_LC_NUMERIC_function) { \
5762 _restore_LC_NUMERIC_function(aTHX); \
5765 /* The next two macros set unconditionally. These should be rarely used, and
5766 * only after being sure that this is what is needed */
5767 #define SET_NUMERIC_STANDARD() \
5768 STMT_START { if (_NOT_IN_NUMERIC_STANDARD) set_numeric_standard(); \
5771 #define SET_NUMERIC_LOCAL() \
5772 STMT_START { if (_NOT_IN_NUMERIC_LOCAL) \
5773 set_numeric_local(); } STMT_END
5775 /* The rest of these LC_NUMERIC macros toggle to one or the other state, with
5776 * the RESTORE_foo ones called to switch back, but only if need be */
5777 #define STORE_NUMERIC_LOCAL_SET_STANDARD() \
5778 bool _was_local = _NOT_IN_NUMERIC_STANDARD; \
5779 if (_was_local) set_numeric_standard();
5781 /* Doesn't change to underlying locale unless within the scope of some form of
5782 * 'use locale'. This is the usual desired behavior. */
5783 #define STORE_NUMERIC_STANDARD_SET_LOCAL() \
5784 bool _was_standard = _NOT_IN_NUMERIC_LOCAL \
5785 && IN_LC(LC_NUMERIC); \
5786 if (_was_standard) set_numeric_local();
5788 /* Rarely, we want to change to the underlying locale even outside of 'use
5789 * locale'. This is principally in the POSIX:: functions */
5790 #define STORE_NUMERIC_STANDARD_FORCE_LOCAL() \
5791 bool _was_standard = _NOT_IN_NUMERIC_LOCAL; \
5792 if (_was_standard) set_numeric_local();
5794 /* Lock to the C locale until unlock is called */
5795 #define LOCK_NUMERIC_STANDARD() \
5796 (__ASSERT_(PL_numeric_standard) \
5797 PL_numeric_standard = 2)
5799 #define UNLOCK_NUMERIC_STANDARD() \
5800 (__ASSERT_(PL_numeric_standard == 2) \
5801 PL_numeric_standard = 1)
5803 #define RESTORE_NUMERIC_LOCAL() \
5804 if (_was_local) set_numeric_local();
5806 #define RESTORE_NUMERIC_STANDARD() \
5807 if (_was_standard) SET_NUMERIC_STANDARD();
5809 #define Atof my_atof
5811 #else /* !USE_LOCALE_NUMERIC */
5813 #define SET_NUMERIC_STANDARD() /**/
5814 #define SET_NUMERIC_LOCAL() /**/
5815 #define IS_NUMERIC_RADIX(a, b) (0)
5816 #define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5817 #define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
5818 #define STORE_NUMERIC_STANDARD_FORCE_LOCAL()
5819 #define RESTORE_NUMERIC_LOCAL() /**/
5820 #define RESTORE_NUMERIC_STANDARD() /**/
5821 #define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED
5822 #define STORE_LC_NUMERIC_SET_TO_NEEDED()
5823 #define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED()
5824 #define RESTORE_LC_NUMERIC()
5825 #define LOCK_NUMERIC_STANDARD()
5826 #define UNLOCK_NUMERIC_STANDARD()
5828 #define Atof my_atof
5830 #endif /* !USE_LOCALE_NUMERIC */
5833 # define Perl_strtod(s, e) strtoflt128(s, e)
5834 #elif defined(HAS_LONG_DOUBLE) && defined(USE_LONG_DOUBLE)
5835 # if defined(HAS_STRTOLD)
5836 # define Perl_strtod(s, e) strtold(s, e)
5837 # elif defined(HAS_STRTOD)
5838 # define Perl_strtod(s, e) (NV)strtod(s, e) /* Unavoidable loss. */
5840 #elif defined(HAS_STRTOD)
5841 # define Perl_strtod(s, e) strtod(s, e)
5844 #if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5845 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5847 # define strtoll __strtoll /* secret handshake */
5850 # define strtoll _strtoi64 /* secret handshake */
5852 # if !defined(Strtol) && defined(HAS_STRTOLL)
5853 # define Strtol strtoll
5855 # if !defined(Strtol) && defined(HAS_STRTOQ)
5856 # define Strtol strtoq
5858 /* is there atoq() anywhere? */
5860 #if !defined(Strtol) && defined(HAS_STRTOL)
5861 # define Strtol strtol
5864 /* It would be more fashionable to use Strtol() to define atol()
5865 * (as is done for Atoul(), see below) but for backward compatibility
5866 * we just assume atol(). */
5867 # if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5868 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5870 # define atoll _atoi64 /* secret handshake */
5878 #if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5879 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5881 # define strtoull __strtoull /* secret handshake */
5884 # define strtoull _strtoui64 /* secret handshake */
5886 # if !defined(Strtoul) && defined(HAS_STRTOULL)
5887 # define Strtoul strtoull
5889 # if !defined(Strtoul) && defined(HAS_STRTOUQ)
5890 # define Strtoul strtouq
5892 /* is there atouq() anywhere? */
5894 #if !defined(Strtoul) && defined(HAS_STRTOUL)
5895 # define Strtoul strtoul
5897 #if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5898 # define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5901 # define Atoul(s) Strtoul(s, NULL, 10)
5904 #ifndef PERL_SCRIPT_MODE
5905 #define PERL_SCRIPT_MODE "r"
5909 * Some operating systems are stingy with stack allocation,
5910 * so perl may have to guard against stack overflow.
5912 #ifndef PERL_STACK_OVERFLOW_CHECK
5913 #define PERL_STACK_OVERFLOW_CHECK() NOOP
5917 * Some nonpreemptive operating systems find it convenient to
5918 * check for asynchronous conditions after each op execution.
5919 * Keep this check simple, or it may slow down execution
5924 # ifndef PERL_ASYNC_CHECK
5925 # define PERL_ASYNC_CHECK() if (UNLIKELY(PL_sig_pending)) PL_signalhook(aTHX)
5929 #ifndef PERL_ASYNC_CHECK
5930 # define PERL_ASYNC_CHECK() NOOP
5934 * On some operating systems, a memory allocation may succeed,
5935 * but put the process too close to the system's comfort limit.
5936 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5939 #ifndef PERL_ALLOC_CHECK
5940 #define PERL_ALLOC_CHECK(p) NOOP
5944 # include <sys/ipc.h>
5945 # include <sys/sem.h>
5946 # ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5949 struct semid_ds *buf;
5950 unsigned short *array;
5953 # ifdef USE_SEMCTL_SEMUN
5954 # ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5955 union gccbug_semun {
5957 struct semid_ds *buf;
5958 unsigned short *array;
5961 # define semun gccbug_semun
5963 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5965 # ifdef USE_SEMCTL_SEMID_DS
5966 # ifdef EXTRA_F_IN_SEMUN_BUF
5967 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5969 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5976 * Boilerplate macros for initializing and accessing interpreter-local
5977 * data from C. All statics in extensions should be reworked to use
5978 * this, if you want to make the extension thread-safe. See
5979 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5980 * and perlxs.pod for more.
5982 * Code that uses these macros is responsible for the following:
5983 * 1. #define MY_CXT_KEY to a unique string, e.g.
5984 * "DynaLoader::_guts" XS_VERSION
5985 * XXX in the current implementation, this string is ignored.
5986 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5987 * all the data that needs to be interpreter-local.
5988 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5989 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5990 * (typically put in the BOOT: section).
5991 * 5. Use the members of the my_cxt_t structure everywhere as
5993 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5997 #if defined(PERL_IMPLICIT_CONTEXT)
5999 /* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
6000 * right after the definition (i.e. at file scope). The non-threads
6001 * case below uses it to declare the data as static. */
6002 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
6003 # define START_MY_CXT
6004 # define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
6005 # define MY_CXT_INIT_ARG MY_CXT_KEY
6007 # define START_MY_CXT static int my_cxt_index = -1;
6008 # define MY_CXT_INDEX my_cxt_index
6009 # define MY_CXT_INIT_ARG &my_cxt_index
6010 # endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
6012 /* Creates and zeroes the per-interpreter data.
6013 * (We allocate my_cxtp in a Perl SV so that it will be released when
6014 * the interpreter goes away.) */
6015 # define MY_CXT_INIT \
6016 my_cxt_t *my_cxtp = \
6017 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
6018 PERL_UNUSED_VAR(my_cxtp)
6019 # define MY_CXT_INIT_INTERP(my_perl) \
6020 my_cxt_t *my_cxtp = \
6021 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
6022 PERL_UNUSED_VAR(my_cxtp)
6024 /* This declaration should be used within all functions that use the
6025 * interpreter-local data. */
6027 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
6028 # define dMY_CXT_INTERP(my_perl) \
6029 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
6031 /* Clones the per-interpreter data. */
6032 # define MY_CXT_CLONE \
6033 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
6034 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
6035 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
6038 /* This macro must be used to access members of the my_cxt_t structure.
6039 * e.g. MY_CXT.some_data */
6040 # define MY_CXT (*my_cxtp)
6042 /* Judicious use of these macros can reduce the number of times dMY_CXT
6043 * is used. Use is similar to pTHX, aTHX etc. */
6044 # define pMY_CXT my_cxt_t *my_cxtp
6045 # define pMY_CXT_ pMY_CXT,
6046 # define _pMY_CXT ,pMY_CXT
6047 # define aMY_CXT my_cxtp
6048 # define aMY_CXT_ aMY_CXT,
6049 # define _aMY_CXT ,aMY_CXT
6051 #else /* PERL_IMPLICIT_CONTEXT */
6053 # define START_MY_CXT static my_cxt_t my_cxt;
6054 # define dMY_CXT_SV dNOOP
6055 # define dMY_CXT dNOOP
6056 # define dMY_CXT_INTERP(my_perl) dNOOP
6057 # define MY_CXT_INIT NOOP
6058 # define MY_CXT_CLONE NOOP
6059 # define MY_CXT my_cxt
6061 # define pMY_CXT void
6068 #endif /* !defined(PERL_IMPLICIT_CONTEXT) */
6079 # include <sys/file.h>
6082 #if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
6083 int flock(int fd, int op);
6087 /* Assume UNIX defaults */
6088 # define O_RDONLY 0000
6089 # define O_WRONLY 0001
6090 # define O_RDWR 0002
6091 # define O_CREAT 0100
6102 #if O_TEXT != O_BINARY
6103 /* If you have different O_TEXT and O_BINARY and you are a CRLF shop,
6104 * that is, you are somehow DOSish. */
6105 # if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
6106 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
6107 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
6108 /* VOS has O_TEXT != O_BINARY, and they have effect,
6109 * but VOS always uses LF, never CRLF. */
6110 /* If you have O_TEXT different from your O_BINARY but you still are
6111 * not a CRLF shop. */
6112 # undef PERLIO_USING_CRLF
6114 /* If you really are DOSish. */
6115 # define PERLIO_USING_CRLF 1
6120 # include <libutil.h> /* setproctitle() in some FreeBSDs */
6123 #ifndef EXEC_ARGV_CAST
6124 #define EXEC_ARGV_CAST(x) (char **)x
6127 #define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
6128 int). value returned in pointed-
6130 #define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
6131 #define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
6132 #define IS_NUMBER_NEG 0x08 /* leading minus sign */
6133 #define IS_NUMBER_INFINITY 0x10 /* this is big */
6134 #define IS_NUMBER_NAN 0x20 /* this is not */
6135 #define IS_NUMBER_TRAILING 0x40 /* number has trailing trash */
6137 #define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
6140 #define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
6141 #define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
6142 #define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
6143 #define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
6144 numbers which are <= UV_MAX */
6145 #define PERL_SCAN_TRAILING 0x10 /* grok_number_flags() allow trailing
6146 and set IS_NUMBER_TRAILING */
6149 #define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
6151 /* to let user control profiling */
6152 #ifdef PERL_GPROF_CONTROL
6153 extern void moncontrol(int);
6154 #define PERL_GPROF_MONCONTROL(x) moncontrol(x)
6156 #define PERL_GPROF_MONCONTROL(x)
6163 /* ISO 6429 NEL - C1 control NExt Line */
6164 /* See http://www.unicode.org/unicode/reports/tr13/ */
6165 #define NEXT_LINE_CHAR NEXT_LINE_NATIVE
6167 /* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
6168 #define UNICODE_LINE_SEPA_0 0xE2
6169 #define UNICODE_LINE_SEPA_1 0x80
6170 #define UNICODE_LINE_SEPA_2 0xA8
6171 #define UNICODE_PARA_SEPA_0 0xE2
6172 #define UNICODE_PARA_SEPA_1 0x80
6173 #define UNICODE_PARA_SEPA_2 0xA9
6175 #ifndef PIPESOCK_MODE
6176 # define PIPESOCK_MODE
6179 #ifndef SOCKET_OPEN_MODE
6180 # define SOCKET_OPEN_MODE PIPESOCK_MODE
6183 #ifndef PIPE_OPEN_MODE
6184 # define PIPE_OPEN_MODE PIPESOCK_MODE
6187 #define PERL_MAGIC_UTF8_CACHESIZE 2
6189 #define PERL_UNICODE_STDIN_FLAG 0x0001
6190 #define PERL_UNICODE_STDOUT_FLAG 0x0002
6191 #define PERL_UNICODE_STDERR_FLAG 0x0004
6192 #define PERL_UNICODE_IN_FLAG 0x0008
6193 #define PERL_UNICODE_OUT_FLAG 0x0010
6194 #define PERL_UNICODE_ARGV_FLAG 0x0020
6195 #define PERL_UNICODE_LOCALE_FLAG 0x0040
6196 #define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
6197 #define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
6199 #define PERL_UNICODE_STD_FLAG \
6200 (PERL_UNICODE_STDIN_FLAG | \
6201 PERL_UNICODE_STDOUT_FLAG | \
6202 PERL_UNICODE_STDERR_FLAG)
6204 #define PERL_UNICODE_INOUT_FLAG \
6205 (PERL_UNICODE_IN_FLAG | \
6206 PERL_UNICODE_OUT_FLAG)
6208 #define PERL_UNICODE_DEFAULT_FLAGS \
6209 (PERL_UNICODE_STD_FLAG | \
6210 PERL_UNICODE_INOUT_FLAG | \
6211 PERL_UNICODE_LOCALE_FLAG)
6213 #define PERL_UNICODE_ALL_FLAGS 0x01ff
6215 #define PERL_UNICODE_STDIN 'I'
6216 #define PERL_UNICODE_STDOUT 'O'
6217 #define PERL_UNICODE_STDERR 'E'
6218 #define PERL_UNICODE_STD 'S'
6219 #define PERL_UNICODE_IN 'i'
6220 #define PERL_UNICODE_OUT 'o'
6221 #define PERL_UNICODE_INOUT 'D'
6222 #define PERL_UNICODE_ARGV 'A'
6223 #define PERL_UNICODE_LOCALE 'L'
6224 #define PERL_UNICODE_WIDESYSCALLS 'W'
6225 #define PERL_UNICODE_UTF8CACHEASSERT 'a'
6227 #define PERL_SIGNALS_UNSAFE_FLAG 0x0001
6229 /* Use instead of abs() since abs() forces its argument to be an int,
6230 * but also beware since this evaluates its argument twice, so no x++. */
6231 #define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
6233 #if defined(__DECC) && defined(__osf__)
6234 #pragma message disable (mainparm) /* Perl uses the envp in main(). */
6237 #define do_open(g, n, l, a, rm, rp, sf) \
6238 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
6239 #ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
6240 # define do_exec(cmd) do_exec3(cmd,0,0)
6243 # define do_aexec Perl_do_aexec
6245 # define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
6248 /* check embedded \0 characters in pathnames passed to syscalls,
6249 but allow one ending \0 */
6250 #define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name)))
6252 #define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name))
6255 #define NO_ENV_ARRAY_IN_MAIN
6258 /* These are used by Perl_pv_escape() and Perl_pv_pretty()
6259 * are here so that they are available throughout the core
6260 * NOTE that even though some are for _escape and some for _pretty
6261 * there must not be any clashes as the flags from _pretty are
6262 * passed straight through to _escape.
6265 #define PERL_PV_ESCAPE_QUOTE 0x0001
6266 #define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
6268 #define PERL_PV_PRETTY_ELLIPSES 0x0002
6269 #define PERL_PV_PRETTY_LTGT 0x0004
6271 #define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
6273 #define PERL_PV_ESCAPE_UNI 0x0100
6274 #define PERL_PV_ESCAPE_UNI_DETECT 0x0200
6275 #define PERL_PV_ESCAPE_NONASCII 0x0400
6277 #define PERL_PV_ESCAPE_ALL 0x1000
6278 #define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
6279 #define PERL_PV_ESCAPE_NOCLEAR 0x4000
6280 #define PERL_PV_ESCAPE_RE 0x8000
6282 #define PERL_PV_ESCAPE_DWIM 0x10000
6284 #define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
6286 /* used by pv_display in dump.c*/
6287 #define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
6288 #define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
6292 (KEEP THIS LAST IN perl.h!)
6334 so that Configure picks them up.
6336 (KEEP THIS LAST IN perl.h!)
6340 #endif /* Include guard */
6344 * c-indentation-style: bsd
6346 * indent-tabs-mode: nil
6349 * ex: set ts=8 sts=4 sw=4 et: