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 /* See L<perlguts/"The Perl API"> for detailed notes on
32 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
34 /* Note that from here --> to <-- the same logic is
35 * repeated in makedef.pl, so be certain to update
36 * both places when editing. */
39 # if !defined(MULTIPLICITY)
44 #ifdef PERL_GLOBAL_STRUCT_PRIVATE
45 # ifndef PERL_GLOBAL_STRUCT
46 # define PERL_GLOBAL_STRUCT
50 #ifdef PERL_GLOBAL_STRUCT
57 # ifndef PERL_IMPLICIT_CONTEXT
58 # define PERL_IMPLICIT_CONTEXT
62 /* undef WIN32 when building on Cygwin (for libwin32) - gph */
68 #if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
75 # include "symbian/symbian_proto.h"
78 /* Any stack-challenged places. The limit varies (and often
79 * is configurable), but using more than a kilobyte of stack
80 * is usually dubious in these systems. */
81 #if defined(__SYMBIAN32__)
82 /* Symbian: need to work around the SDK features. *
83 * On WINS: MS VC5 generates calls to _chkstk, *
84 * if a "large" stack frame is allocated. *
85 * gcc on MARM does not generate calls like these. */
86 # define USE_HEAP_INSTEAD_OF_STACK
89 /* Use the reentrant APIs like localtime_r and getpwent_r */
90 /* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
91 #if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
92 # define USE_REENTRANT_API
95 /* <--- here ends the logic shared by perl.h and makedef.pl */
97 /* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
98 #if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
102 #undef START_EXTERN_C
106 # define START_EXTERN_C extern "C" {
107 # define END_EXTERN_C }
108 # define EXTERN_C extern "C"
110 # define START_EXTERN_C
111 # define END_EXTERN_C
112 # define EXTERN_C extern
115 /* Fallback definitions in case we don't have definitions from config.h.
116 This should only matter for systems that don't use Configure and
117 haven't been modified to define PERL_STATIC_INLINE yet.
119 #if !defined(PERL_STATIC_INLINE)
120 # ifdef HAS_STATIC_INLINE
121 # define PERL_STATIC_INLINE static inline
123 # define PERL_STATIC_INLINE static
127 #ifdef PERL_GLOBAL_STRUCT
128 # ifndef PERL_GET_VARS
129 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
130 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
131 # define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
132 # ifndef PERLIO_FUNCS_CONST
133 # define PERLIO_FUNCS_CONST /* Can't have these lying around. */
136 # define PERL_GET_VARS() PL_VarsPtr
141 #define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
143 #ifdef PERL_GLOBAL_STRUCT
144 # define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
149 #ifdef PERL_IMPLICIT_CONTEXT
150 # ifndef MULTIPLICITY
151 # define MULTIPLICITY
153 # define tTHX PerlInterpreter*
154 # define pTHX tTHX my_perl PERL_UNUSED_DECL
155 # define aTHX my_perl
156 # define aTHXa(a) aTHX = (tTHX)a
157 # ifdef PERL_GLOBAL_STRUCT
158 # define dTHXa(a) dVAR; pTHX = (tTHX)a
160 # define dTHXa(a) pTHX = (tTHX)a
162 # ifdef PERL_GLOBAL_STRUCT
163 # define dTHX dVAR; pTHX = PERL_GET_THX
165 # define dTHX pTHX = PERL_GET_THX
179 # if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
180 # define PERL_TRACK_MEMPOOL
183 # undef PERL_TRACK_MEMPOOL
186 #define STATIC static
189 /* Do not use these macros. They were part of PERL_OBJECT, which was an
190 * implementation of multiplicity using C++ objects. They have been left
191 * here solely for the sake of XS code which has incorrectly
194 #define CPERLscope(x) x
195 #define CPERLarg void
198 #define PERL_OBJECT_THIS
199 #define _PERL_OBJECT_THIS
200 #define PERL_OBJECT_THIS_
201 #define CALL_FPTR(fptr) (*fptr)
202 #define MEMBER_TO_FPTR(name) name
203 #endif /* !PERL_CORE */
205 #define CALLRUNOPS PL_runops
207 #define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
209 #define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
210 #define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
211 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
212 (strbeg),(minend),(sv),(data),(flags))
213 #define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
214 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
215 (strend),(flags),(data))
216 #define CALLREG_INTUIT_STRING(prog) \
217 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
219 #define CALLREGFREE(prog) \
220 Perl_pregfree(aTHX_ (prog))
222 #define CALLREGFREE_PVT(prog) \
223 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
225 #define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
226 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
228 #define CALLREG_NUMBUF_STORE(rx,paren,value) \
229 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
231 #define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
232 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
234 #define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
235 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
237 #define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
238 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
240 #define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
241 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
243 #define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
244 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
246 #define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
247 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
249 #define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
250 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
252 #define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
253 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
255 #define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
256 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
258 #define CALLREG_NAMED_BUFF_COUNT(rx) \
259 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
261 #define CALLREG_NAMED_BUFF_ALL(rx, flags) \
262 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
264 #define CALLREG_PACKAGE(rx) \
265 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
267 #if defined(USE_ITHREADS)
268 #define CALLREGDUPE(prog,param) \
269 Perl_re_dup(aTHX_ (prog),(param))
271 #define CALLREGDUPE_PVT(prog,param) \
272 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
281 * Because of backward compatibility reasons the PERL_UNUSED_DECL
282 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
284 * Note that there are C compilers such as MetroWerks CodeWarrior
285 * which do not have an "inlined" way (like the gcc __attribute__) of
286 * marking unused variables (they need e.g. a #pragma) and therefore
287 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
288 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
292 #if defined(__SYMBIAN32__) && defined(__GNUC__)
294 # define PERL_UNUSED_DECL
296 # define PERL_UNUSED_DECL __attribute__((unused))
300 #ifndef PERL_UNUSED_DECL
301 # if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
302 # define PERL_UNUSED_DECL __attribute__unused__
304 # define PERL_UNUSED_DECL
309 * for silencing unused variables that are actually used most of the time,
310 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
312 #ifndef PERL_UNUSED_ARG
313 # if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
315 # define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
317 # define PERL_UNUSED_ARG(x) ((void)x)
320 #ifndef PERL_UNUSED_VAR
321 # define PERL_UNUSED_VAR(x) ((void)x)
324 #if defined(USE_ITHREADS) || defined(PERL_GLOBAL_STRUCT)
325 # define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
327 # define PERL_UNUSED_CONTEXT
330 /* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
331 * g++ allows them but seems to have problems with them
332 * (insane errors ensue).
333 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
335 #if defined(PERL_GCC_PEDANTIC) || \
336 (defined(__GNUC__) && defined(__cplusplus) && \
337 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
338 # ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
339 # define PERL_GCC_BRACE_GROUPS_FORBIDDEN
343 /* Use PERL_UNUSED_RESULT() to suppress the warnings about unused results
344 * of function calls, e.g. PERL_UNUSED_RESULT(foo(a, b)).
346 * The main reason for this is that the combination of gcc -Wunused-result
347 * (part of -Wall) and the __attribute__((warn_unused_result)) cannot
348 * be silenced with casting to void. This causes trouble when the system
349 * header files use the attribute.
351 * Use PERL_UNUSED_RESULT sparingly, though, since usually the warning
352 * is there for a good reason: you might lose success/failure information,
353 * or leak resources, or changes in resources.
355 * But sometimes you just want to ignore the return value, e.g. on
356 * codepaths soon ending up in abort, or in "best effort" attempts,
357 * or in situations where there is no good way to handle failures.
359 * Sometimes PERL_UNUSED_RESULT might not be the most natural way:
360 * another possibility is that you can capture the return value
361 * and use PERL_UNUSED_VAR on that.
363 * The __typeof__() is used instead of typeof() since typeof() is not
364 * available under strict C89, and because of compilers masquerading
365 * as gcc (clang and icc), we want exactly the gcc extension
366 * __typeof__ and nothing else.
368 #ifndef PERL_UNUSED_RESULT
369 # if defined(__GNUC__) && defined(HASATTRIBUTE_WARN_UNUSED_RESULT)
370 # define PERL_UNUSED_RESULT(v) STMT_START { __typeof__(v) z = (v); (void)sizeof(z); } STMT_END
372 # define PERL_UNUSED_RESULT(v) ((void)(v))
376 /* on gcc (and clang), specify that a warning should be temporarily
379 * GCC_DIAG_IGNORE(-Wmultichar);
383 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
385 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
386 * clang only pretends to be GCC 4.2, but still supports push/pop.
388 * Note on usage: on non-gcc (or lookalike, like clang) compilers
389 * one cannot use these at file (global) level without warnings
390 * since they are defined as empty, which leads into the terminating
391 * semicolon being left alone on a line:
393 * which makes compilers mildly cranky. Therefore at file level one
394 * should use the GCC_DIAG_IGNORE and GCC_DIAG_RESTORE_FILE *without*
397 * (A dead-on-arrival solution would be to try to define the macros as
398 * NOOP or dNOOP, those don't work both inside functions and outside.)
401 #if defined(__clang__) || defined(__clang) || \
402 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
403 # define GCC_DIAG_PRAGMA(x) _Pragma (#x)
404 /* clang has "clang diagnostic" pragmas, but also understands gcc. */
405 # define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
406 GCC_DIAG_PRAGMA(GCC diagnostic ignored #x)
407 # define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
409 # define GCC_DIAG_IGNORE(w)
410 # define GCC_DIAG_RESTORE
413 #define NOOP /*EMPTY*/(void)0
414 /* cea2e8a9dd23747f accidentally lost the comment originally from the first
415 check in of thread.h, explaining why we need dNOOP at all: */
416 /* Rats: if dTHR is just blank then the subsequent ";" throws an error */
417 /* Declaring a *function*, instead of a variable, ensures that we don't rely
418 on being able to suppress "unused" warnings. */
420 #define dNOOP (void)0
422 #define dNOOP extern int Perl___notused(void)
426 /* Don't bother defining tTHX ; using it outside
427 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
433 # define aTHXa(a) NOOP
434 # define dTHXa(a) dNOOP
452 /* these are only defined for compatibility; should not be used internally */
453 #if !defined(pTHXo) && !defined(PERL_CORE)
455 # define pTHXo_ pTHX_
457 # define aTHXo_ aTHX_
459 # define dTHXoa(x) dTHXa(x)
463 # define pTHXx PerlInterpreter *my_perl
464 # define pTHXx_ pTHXx,
465 # define aTHXx my_perl
466 # define aTHXx_ aTHXx,
470 /* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
471 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
472 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
473 #ifdef PERL_IMPLICIT_SYS
474 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
475 # define dTHXs dVAR; dTHX
480 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
487 /* Some platforms require marking function declarations
488 * for them to be exportable. Used in perlio.h, proto.h
489 * is handled either by the makedef.pl or by defining the
490 * PERL_CALLCONV to be something special. See also the
491 * definition of XS() in XSUB.h. */
492 #ifndef PERL_EXPORT_C
494 # define PERL_EXPORT_C extern "C"
496 # define PERL_EXPORT_C extern
499 #ifndef PERL_XS_EXPORT_C
501 # define PERL_XS_EXPORT_C extern "C"
503 # define PERL_XS_EXPORT_C
507 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
508 # ifndef PERL_USE_GCC_BRACE_GROUPS
509 # define PERL_USE_GCC_BRACE_GROUPS
514 * STMT_START { statements; } STMT_END;
515 * can be used as a single statement, as in
516 * if (x) STMT_START { ... } STMT_END; else ...
518 * Trying to select a version that gives no warnings...
520 #if !(defined(STMT_START) && defined(STMT_END))
521 # ifdef PERL_USE_GCC_BRACE_GROUPS
522 # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
525 # define STMT_START do
526 # define STMT_END while (0)
530 #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
531 # define BYTEORDER 0x1234
534 /* Overall memory policy? */
539 #if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
546 * The following contortions are brought to you on behalf of all the
547 * standards, semi-standards, de facto standards, not-so-de-facto standards
548 * of the world, as well as all the other botches anyone ever thought of.
549 * The basic theory is that if we work hard enough here, the rest of the
550 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
553 /* define this once if either system, instead of cluttering up the src */
554 #if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
558 #if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
559 # define STANDARD_C 1
562 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
563 # define DONT_DECLARE_STD 1
566 #if defined(HASVOLATILE) || defined(STANDARD_C)
567 # define VOL volatile
572 /* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
573 * you get a perl without taint support, but doubtlessly with a lesser
574 * degree of support. Do not do so unless you know exactly what it means
575 * technically, have a good reason to do so, and know exactly how the
576 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
577 * a potential security risk due to flat out ignoring the security-relevant
578 * taint flags. This being said, a perl without taint support compiled in
579 * has marginal run-time performance benefits.
580 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
581 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
582 * silently ignores -t/-T instead of throwing an exception.
584 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
585 * voids your nonexistent warranty!
587 #if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
588 # define NO_TAINT_SUPPORT 1
591 /* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
592 * operations into no-ops for a very modest speed-up. Enable only if you
593 * know what you're doing: tests and CPAN modules' tests are bound to fail.
595 #ifdef NO_TAINT_SUPPORT
597 # define TAINT_NOT NOOP
598 # define TAINT_IF(c) NOOP
599 # define TAINT_ENV() NOOP
600 # define TAINT_PROPER(s) NOOP
601 # define TAINT_set(s) NOOP
603 # define TAINTING_get 0
604 # define TAINTING_set(s) NOOP
605 # define TAINT_WARN_get 0
606 # define TAINT_WARN_set(s) NOOP
608 # define TAINT (PL_tainted = TRUE)
609 # define TAINT_NOT (PL_tainted = FALSE)
610 # define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
611 # define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
612 # define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
613 # define TAINT_set(s) (PL_tainted = (s))
614 # define TAINT_get (PL_tainted)
615 # define TAINTING_get (PL_tainting)
616 # define TAINTING_set(s) (PL_tainting = (s))
617 # define TAINT_WARN_get (PL_taint_warn)
618 # define TAINT_WARN_set(s) (PL_taint_warn = (s))
621 /* flags used internally only within pp_subst and pp_substcont */
623 # define SUBST_TAINT_STR 1 /* string tainted */
624 # define SUBST_TAINT_PAT 2 /* pattern tainted */
625 # define SUBST_TAINT_REPL 4 /* replacement tainted */
626 # define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
627 # define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
630 /* XXX All process group stuff is handled in pp_sys.c. Should these
631 defines move there? If so, I could simplify this a lot. --AD 9/96.
633 /* Process group stuff changed from traditional BSD to POSIX.
634 perlfunc.pod documents the traditional BSD-style syntax, so we'll
635 try to preserve that, if possible.
638 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
640 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
641 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
643 # ifdef HAS_SETPGRP2 /* DG/UX */
644 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
648 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
649 # define HAS_SETPGRP /* Well, effectively it does . . . */
652 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
653 our life easier :-) so we'll try it.
656 # define BSD_GETPGRP(pid) getpgid((pid))
658 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
659 # define BSD_GETPGRP(pid) getpgrp((pid))
661 # ifdef HAS_GETPGRP2 /* DG/UX */
662 # define BSD_GETPGRP(pid) getpgrp2((pid))
666 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
667 # define HAS_GETPGRP /* Well, effectively it does . . . */
670 /* These are not exact synonyms, since setpgrp() and getpgrp() may
671 have different behaviors, but perl.h used to define USE_BSDPGRP
672 (prior to 5.003_05) so some extension might depend on it.
674 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
680 /* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
681 pthread.h must be included before all other header files.
683 #if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
684 # include <pthread.h>
687 #include <sys/types.h>
699 # include <varargs.h>
705 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
717 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
719 # define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
721 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
722 && defined(HAS_STRXFRM)
723 # define USE_LOCALE_COLLATE
725 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
726 # define USE_LOCALE_CTYPE
728 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
729 # define USE_LOCALE_NUMERIC
731 # if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
732 # define USE_LOCALE_MESSAGES
734 # if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
735 # define USE_LOCALE_MONETARY
737 # if !defined(NO_LOCALE_TIME) && defined(LC_TIME)
738 # define USE_LOCALE_TIME
740 # ifndef WIN32 /* No wrapper except on Windows */
741 # define my_setlocale(a,b) setlocale(a,b)
743 #endif /* !NO_LOCALE && HAS_SETLOCALE */
748 # ifdef PARAM_NEEDS_TYPES
749 # include <sys/types.h>
751 # include <sys/param.h>
754 /* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
755 value something like 199306. This may be useful if no more-specific
756 feature test is available.
764 /* Use all the "standard" definitions? */
765 #if defined(STANDARD_C) && defined(I_STDLIB)
769 /* If this causes problems, set i_unistd=undef in the hint file. */
776 # include <sys/wait.h>
780 # undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
783 #if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
784 EXTERN_C int syscall(int, ...);
787 #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
788 EXTERN_C int usleep(unsigned int);
793 /* macros for correct constant construction */
795 # define U16_CONST(x) ((U16)x##U)
797 # define U16_CONST(x) ((U16)x##UL)
801 # define U32_CONST(x) ((U32)x##U)
803 # define U32_CONST(x) ((U32)x##UL)
808 # define U64_CONST(x) ((U64)x##U)
810 # define U64_CONST(x) ((U64)x##UL)
811 # elif QUADKIND == QUAD_IS_LONG_LONG
812 # define U64_CONST(x) ((U64)x##ULL)
813 # elif QUADKIND == QUAD_IS___INT64
814 # define U64_CONST(x) ((U64)x##UI64)
815 # else /* best guess we can make */
816 # define U64_CONST(x) ((U64)x##UL)
820 /* byte-swapping functions for big-/little-endian conversion */
821 # define _swab_16_(x) ((U16)( \
822 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
823 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
825 # define _swab_32_(x) ((U32)( \
826 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
827 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
828 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
829 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
832 # define _swab_64_(x) ((U64)( \
833 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
834 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
835 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
836 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
837 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
838 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
839 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
840 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
843 /* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
844 at least on FreeBSD. YMMV, so experiment. */
845 #ifndef PERL_ARENA_SIZE
846 #define PERL_ARENA_SIZE 4080
849 /* Maximum level of recursion */
850 #ifndef PERL_SUB_DEPTH_WARN
851 #define PERL_SUB_DEPTH_WARN 100
854 #endif /* PERL_CORE */
856 /* We no longer default to creating a new SV for GvSV.
857 Do this before embed. */
858 #ifndef PERL_CREATE_GVSV
859 # ifndef PERL_DONT_CREATE_GVSV
860 # define PERL_DONT_CREATE_GVSV
864 #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
865 #define PERL_USES_PL_PIDSTATUS
868 #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
869 #define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
872 #define MEM_SIZE Size_t
874 /* Round all values passed to malloc up, by default to a multiple of
877 #ifndef PERL_STRLEN_ROUNDUP_QUANTUM
878 #define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
881 /* sv_grow() will expand strings by at least a certain percentage of
882 the previously *used* length to avoid excessive calls to realloc().
883 The default is 25% of the current length.
885 #ifndef PERL_STRLEN_EXPAND_SHIFT
886 # define PERL_STRLEN_EXPAND_SHIFT 2
889 #if defined(STANDARD_C) && defined(I_STDDEF) && !defined(PERL_GCC_PEDANTIC)
891 # define STRUCT_OFFSET(s,m) offsetof(s,m)
893 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
896 /* ptrdiff_t is C11, so undef it under pedantic builds */
897 #ifdef PERL_GCC_PEDANTIC
898 # undef HAS_PTRDIFF_T
901 #ifndef __SYMBIAN32__
902 # if defined(I_STRING) || defined(__cplusplus)
905 # include <strings.h>
909 /* This comes after <stdlib.h> so we don't try to change the standard
910 * library prototypes; we'll use our own in proto.h instead. */
913 # ifdef PERL_POLLUTE_MALLOC
914 # ifndef PERL_EXTMALLOC_DEF
915 # define Perl_malloc malloc
916 # define Perl_calloc calloc
917 # define Perl_realloc realloc
918 # define Perl_mfree free
921 # define EMBEDMYMALLOC /* for compatibility */
924 # define safemalloc Perl_malloc
925 # define safecalloc Perl_calloc
926 # define saferealloc Perl_realloc
927 # define safefree Perl_mfree
928 # define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
929 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
932 # define CHECK_MALLOC_TOO_LATE_FOR(ch) \
933 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
934 # define panic_write2(s) write(2, s, strlen(s))
935 # define CHECK_MALLOC_TAINT(newval) \
936 CHECK_MALLOC_TOO_LATE_FOR_( \
938 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
940 # define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
941 if (doing_taint(argc,argv,env)) { \
942 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
945 # define safemalloc safesysmalloc
946 # define safecalloc safesyscalloc
947 # define saferealloc safesysrealloc
948 # define safefree safesysfree
949 # define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
950 # define CHECK_MALLOC_TAINT(newval) ((void)0)
951 # define MALLOC_CHECK_TAINT(argc,argv,env)
952 #endif /* MYMALLOC */
954 /* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
955 #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)
956 #define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
957 #define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
958 #define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
960 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
962 #define strrchr rindex
970 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
972 extern char * memcpy (char*, char*, int);
978 # define memcpy(d,s,l) bcopy(s,d,l)
980 # define memcpy(d,s,l) my_bcopy(s,d,l)
983 #endif /* HAS_MEMCPY */
986 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
988 extern char *memset (char*, int, int);
993 # define memset(d,c,l) my_memset(d,c,l)
994 #endif /* HAS_MEMSET */
996 #if !defined(HAS_MEMMOVE) && !defined(memmove)
997 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
998 # define memmove(d,s,l) bcopy(s,d,l)
1000 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
1001 # define memmove(d,s,l) memcpy(d,s,l)
1003 # define memmove(d,s,l) my_bcopy(s,d,l)
1008 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
1012 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
1013 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
1015 extern int memcmp (char*, char*, int);
1020 # define memcmp my_memcmp
1022 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
1026 # define memzero(d,l) memset(d,0,l)
1029 # define memzero(d,l) bzero(d,l)
1031 # define memzero(d,l) my_bzero(d,l)
1039 # define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1046 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
1048 #endif /* !HAS_BCMP */
1051 # include <netinet/in.h>
1055 # include <arpa/inet.h>
1059 # include <sys/stat.h>
1062 /* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1063 This definition should ideally go into win32/win32.h, but S_IFIFO is
1064 used later here in perl.h before win32/win32.h is being included. */
1065 #if !defined(S_IFIFO) && defined(_S_IFIFO)
1066 # define S_IFIFO _S_IFIFO
1069 /* The stat macros for Unisoft System V/88 (and derivatives
1070 like UTekV) are broken, sometimes giving false positives. Undefine
1071 them here and let the code below set them to proper values.
1073 The ghs macro stands for GreenHills Software C-1.8.5 which
1074 is the C compiler for sysV88 and the various derivatives.
1075 This header file bug is corrected in gcc-2.5.8 and later versions.
1076 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1078 #if defined(m88k) && defined(ghs)
1092 # ifdef I_SYS_TIME_KERNEL
1095 # include <sys/time.h>
1096 # ifdef I_SYS_TIME_KERNEL
1101 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
1102 # include <sys/times.h>
1105 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
1106 # undef HAS_STRERROR
1111 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
1112 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1115 /* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1116 * This is important for using IPv6.
1117 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1118 * a bad idea since it breaks send() and recv(). */
1119 #if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1120 # define _SOCKADDR_LEN
1123 #if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1124 # include <sys/socket.h>
1125 # if defined(USE_SOCKS) && defined(I_SOCKS)
1126 # if !defined(INCLUDE_PROTOTYPES)
1127 # define INCLUDE_PROTOTYPES /* for <socks.h> */
1128 # define PERL_SOCKS_NEED_PROTOTYPES
1131 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1132 # undef INCLUDE_PROTOTYPES
1133 # undef PERL_SOCKS_NEED_PROTOTYPES
1144 # include <net/errno.h>
1149 /* sockatmark() is so new (2001) that many places might have it hidden
1150 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1151 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
1152 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
1153 # if defined(__THROW) && defined(__GLIBC__)
1154 int sockatmark(int) __THROW;
1156 int sockatmark(int);
1160 #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. */
1161 EXTERN_C int fchdir(int);
1162 EXTERN_C int flock(int, int);
1163 EXTERN_C int fseeko(FILE *, off_t, int);
1164 EXTERN_C off_t ftello(FILE *);
1167 #if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1168 EXTERN_C char *crypt(const char *, const char *);
1169 EXTERN_C char **environ;
1172 #if defined(__cplusplus)
1173 # if defined(BSDish)
1174 EXTERN_C char **environ;
1175 # elif defined(__CYGWIN__)
1176 EXTERN_C char *crypt(const char *, const char *);
1181 # undef SETERRNO /* SOCKS might have defined this */
1185 # define SETERRNO(errcode,vmserrcode) \
1187 set_errno(errcode); \
1188 set_vaxc_errno(vmserrcode); \
1190 # define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1191 # define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1192 # define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1193 # define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1195 # define LIB_INVARG LIB$_INVARG
1196 # define RMS_DIR RMS$_DIR
1197 # define RMS_FAC RMS$_FAC
1198 # define RMS_FEX RMS$_FEX
1199 # define RMS_FNF RMS$_FNF
1200 # define RMS_IFI RMS$_IFI
1201 # define RMS_ISI RMS$_ISI
1202 # define RMS_PRV RMS$_PRV
1203 # define SS_ACCVIO SS$_ACCVIO
1204 # define SS_DEVOFFLINE SS$_DEVOFFLINE
1205 # define SS_IVCHAN SS$_IVCHAN
1206 # define SS_NORMAL SS$_NORMAL
1207 # define SS_NOPRIV SS$_NOPRIV
1209 # define LIB_INVARG 0
1217 # define SS_ACCVIO 0
1218 # define SS_DEVOFFLINE 0
1219 # define SS_IVCHAN 0
1220 # define SS_NORMAL 0
1221 # define SS_NOPRIV 0
1225 # define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1226 # define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1227 # define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1228 # define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1232 # define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1233 # define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1234 # define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1235 # define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1239 # define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1243 # define dSAVEDERRNO int saved_errno
1244 # define dSAVE_ERRNO int saved_errno = errno
1245 # define SAVE_ERRNO (saved_errno = errno)
1246 # define RESTORE_ERRNO (errno = saved_errno)
1249 #define ERRSV GvSVn(PL_errgv)
1251 #define CLEAR_ERRSV() STMT_START { \
1252 if (!GvSV(PL_errgv)) { \
1253 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1254 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1255 SvREFCNT_dec(GvSV(PL_errgv)); \
1256 GvSV(PL_errgv) = newSVpvs(""); \
1258 SV *const errsv = GvSV(PL_errgv); \
1259 sv_setpvs(errsv, ""); \
1260 if (SvMAGICAL(errsv)) { \
1263 SvPOK_only(errsv); \
1269 # define DEFSV (0 + GvSVn(PL_defgv))
1270 # define DEFSV_set(sv) \
1271 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1272 # define SAVE_DEFSV \
1274 save_gp(PL_defgv, 0), \
1275 GvINTRO_off(PL_defgv), \
1276 SAVEGENERICSV(GvSV(PL_defgv)), \
1277 GvSV(PL_defgv) = NULL \
1280 # define DEFSV GvSVn(PL_defgv)
1281 # define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1282 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
1286 extern int errno; /* ANSI allows errno to be an lvalue expr.
1287 * For example in multithreaded environments
1288 * something like this might happen:
1289 * extern int *_errno(void);
1290 * #define errno (*_errno()) */
1293 #define UNKNOWN_ERRNO_MSG "(unknown)"
1296 # ifndef DONT_DECLARE_STD
1298 char *strerror (int,...);
1300 char *strerror (int);
1304 # define Strerror strerror
1307 # ifdef HAS_SYS_ERRLIST
1308 extern int sys_nerr;
1309 extern char *sys_errlist[];
1311 # define Strerror(e) \
1312 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
1319 # include <sys/ioctl.h>
1323 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
1324 # ifdef HAS_SOCKETPAIR
1325 # undef HAS_SOCKETPAIR
1332 #ifndef HAS_SOCKETPAIR
1334 # define socketpair Perl_my_socketpair
1339 # define htoni htons
1340 # define ntohi ntohs
1342 # define htoni htonl
1343 # define ntohi ntohl
1346 /* Configure already sets Direntry_t */
1347 #if defined(I_DIRENT)
1348 # include <dirent.h>
1351 # include <sys/ndir.h>
1355 # include <ndir.h> /* may be wrong in the future */
1357 # include <sys/dir.h>
1364 * The following gobbledygook brought to you on behalf of __STDC__.
1365 * (I could just use #ifndef __STDC__, but this is more bulletproof
1366 * in the face of half-implementations.)
1369 #if defined(I_SYSMODE)
1370 #include <sys/mode.h>
1375 # define S_IFMT _S_IFMT
1377 # define S_IFMT 0170000
1382 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1386 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1391 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1393 # define S_ISBLK(m) (0)
1398 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1403 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1405 # define S_ISFIFO(m) (0)
1411 # define S_ISLNK(m) _S_ISLNK(m)
1414 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1417 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1419 # define S_ISLNK(m) (0)
1427 # define S_ISSOCK(m) _S_ISSOCK(m)
1430 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1433 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1435 # define S_ISSOCK(m) (0)
1443 # define S_IRUSR S_IREAD
1444 # define S_IWUSR S_IWRITE
1445 # define S_IXUSR S_IEXEC
1447 # define S_IRUSR 0400
1448 # define S_IWUSR 0200
1449 # define S_IXUSR 0100
1455 # define S_IRGRP (S_IRUSR>>3)
1456 # define S_IWGRP (S_IWUSR>>3)
1457 # define S_IXGRP (S_IXUSR>>3)
1459 # define S_IRGRP 0040
1460 # define S_IWGRP 0020
1461 # define S_IXGRP 0010
1467 # define S_IROTH (S_IRUSR>>6)
1468 # define S_IWOTH (S_IWUSR>>6)
1469 # define S_IXOTH (S_IXUSR>>6)
1471 # define S_IROTH 0040
1472 # define S_IWOTH 0020
1473 # define S_IXOTH 0010
1478 # define S_ISUID 04000
1482 # define S_ISGID 02000
1486 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
1490 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
1494 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
1497 /* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1498 * which would get included through <sys/file.h >, but that is 3000
1499 * lines in the future. --jhi */
1501 #if !defined(S_IREAD) && !defined(__HAIKU__)
1502 # define S_IREAD S_IRUSR
1505 #if !defined(S_IWRITE) && !defined(__HAIKU__)
1506 # define S_IWRITE S_IWUSR
1510 # define S_IEXEC S_IXUSR
1513 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
1514 # define SLOPPYDIVIDE
1521 /* For the times when you want the return value of sprintf, and you want it
1522 to be the length. Can't have a thread variable passed in, because C89 has
1525 #ifdef SPRINTF_RETURNS_STRLEN
1526 # define my_sprintf sprintf
1528 # define my_sprintf Perl_my_sprintf
1532 * If we have v?snprintf() and the C99 variadic macros, we can just
1533 * use just the v?snprintf(). It is nice to try to trap the buffer
1534 * overflow, however, so if we are DEBUGGING, and we cannot use the
1535 * gcc statement expressions, then use the function wrappers which try
1536 * to trap the overflow. If we can use the gcc statement expressions,
1537 * we can try that even with the version that uses the C99 variadic
1541 /* Note that we do not check against snprintf()/vsnprintf() returning
1542 * negative values because that is non-standard behaviour and we use
1543 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1544 * that should be true only if the snprintf()/vsnprintf() are true
1545 * to the standard. */
1547 #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
1549 #if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1550 # ifdef PERL_USE_GCC_BRACE_GROUPS
1551 # define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1552 # define PERL_MY_SNPRINTF_GUARDED
1554 # define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
1557 # define my_snprintf Perl_my_snprintf
1558 # define PERL_MY_SNPRINTF_GUARDED
1561 #if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1562 # ifdef PERL_USE_GCC_BRACE_GROUPS
1563 # define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1564 # define PERL_MY_VSNPRINTF_GUARDED
1566 # define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
1569 # define my_vsnprintf Perl_my_vsnprintf
1570 # define PERL_MY_VSNPRINTF_GUARDED
1573 /* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1574 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1575 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1576 * completely ignore it: otherwise you cannot know whether your output
1579 * int len = my_sprintf(buf, max, ...);
1580 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1582 * The trick is that in certain platforms [a] the my_sprintf() already
1583 * contains the sanity check, while in certain platforms [b] it needs
1584 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1585 * platforms the POST_GUARD actually does nothing since the check has
1586 * already been done. Watch out for the max being the same in both calls.
1588 * If you actually use the snprintf/vsnprintf return value already,
1589 * you assumedly are checking its validity somehow. But you can
1590 * insert the POST_GUARD() also in that case. */
1592 #ifndef PERL_MY_SNPRINTF_GUARDED
1593 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1595 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1598 #ifndef PERL_MY_VSNPRINTF_GUARDED
1599 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1601 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1605 # define my_strlcat strlcat
1607 # define my_strlcat Perl_my_strlcat
1611 # define my_strlcpy strlcpy
1613 # define my_strlcpy Perl_my_strlcpy
1617 The IV type is supposed to be long enough to hold any integral
1619 --Andy Dougherty August 1996
1625 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
1626 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
1627 # define IV_MAX INT64_MAX
1628 # define IV_MIN INT64_MIN
1629 # define UV_MAX UINT64_MAX
1631 # define UINT64_MIN 0
1633 # define UV_MIN UINT64_MIN
1635 # define IV_MAX PERL_QUAD_MAX
1636 # define IV_MIN PERL_QUAD_MIN
1637 # define UV_MAX PERL_UQUAD_MAX
1638 # define UV_MIN PERL_UQUAD_MIN
1643 # if defined(INT32_MAX) && IVSIZE == 4
1644 # define IV_MAX INT32_MAX
1645 # define IV_MIN INT32_MIN
1646 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1647 # define UV_MAX UINT32_MAX
1649 # define UV_MAX 4294967295U
1652 # define UINT32_MIN 0
1654 # define UV_MIN UINT32_MIN
1656 # define IV_MAX PERL_LONG_MAX
1657 # define IV_MIN PERL_LONG_MIN
1658 # define UV_MAX PERL_ULONG_MAX
1659 # define UV_MIN PERL_ULONG_MIN
1670 #if !defined(PERL_CORE) || defined(USING_MSVC6)
1671 /* We think that removing this decade-old undef this will cause too much
1672 breakage on CPAN for too little gain. (See RT #119753)
1673 However, we do need HAS_QUAD in the core for use by the drand48 code,
1674 but not for Win32 VC6 because it has poor __int64 support. */
1680 #define Size_t_MAX (~(Size_t)0)
1681 #define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1)
1683 #define IV_DIG (BIT_DIGITS(IVSIZE * 8))
1684 #define UV_DIG (BIT_DIGITS(UVSIZE * 8))
1686 #ifndef NO_PERL_PRESERVE_IVUV
1687 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
1691 * The macros INT2PTR and NUM2PTR are (despite their names)
1692 * bi-directional: they will convert int/float to or from pointers.
1693 * However the conversion to int/float are named explicitly:
1694 * PTR2IV, PTR2UV, PTR2NV.
1696 * For int conversions we do not need two casts if pointers are
1697 * the same size as IV and UV. Otherwise we need an explicit
1698 * cast (PTRV) to avoid compiler warnings.
1700 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1702 # define INT2PTR(any,d) (any)(d)
1704 # if PTRSIZE == LONGSIZE
1705 # define PTRV unsigned long
1706 # define PTR2ul(p) (unsigned long)(p)
1708 # define PTRV unsigned
1713 # define INT2PTR(any,d) (any)(PTRV)(d)
1717 # define PTR2ul(p) INT2PTR(unsigned long,p)
1720 #define NUM2PTR(any,d) (any)(PTRV)(d)
1721 #define PTR2IV(p) INT2PTR(IV,p)
1722 #define PTR2UV(p) INT2PTR(UV,p)
1723 #define PTR2NV(p) NUM2PTR(NV,p)
1724 #define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
1726 /* According to strict ANSI C89 one cannot freely cast between
1727 * data pointers and function (code) pointers. There are at least
1728 * two ways around this. One (used below) is to do two casts,
1729 * first the other pointer to an (unsigned) integer, and then
1730 * the integer to the other pointer. The other way would be
1731 * to use unions to "overlay" the pointers. For an example of
1732 * the latter technique, see union dirpu in struct xpvio in sv.h.
1733 * The only feasible use is probably temporarily storing
1734 * function pointers in a data pointer (such as a void pointer). */
1736 #define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1737 #define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
1739 #ifdef USE_LONG_DOUBLE
1740 # if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1741 # define LONG_DOUBLE_EQUALS_DOUBLE
1743 # if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
1744 # undef USE_LONG_DOUBLE /* Ouch! */
1749 /* Use an overridden DBL_DIG */
1753 # define DBL_DIG OVR_DBL_DIG
1755 /* The following is all to get DBL_DIG, in order to pick a nice
1756 default value for printing floating point numbers in Gconvert
1757 (see config.h). (It also has other uses, such as figuring out if
1758 a given precision of printing can be done with a double instead of
1759 a long double - Allen).
1768 #define DBL_DIG 15 /* A guess that works lots of places */
1773 /* Use an overridden LDBL_DIG */
1777 # define LDBL_DIG OVR_LDBL_DIG
1779 /* The following is all to get LDBL_DIG, in order to pick a nice
1780 default value for printing floating point numbers in Gconvert.
1784 # include <limits.h>
1789 # ifndef HAS_LDBL_DIG
1790 # if LONG_DOUBLESIZE == 10
1791 # define LDBL_DIG 18 /* assume IEEE */
1793 # if LONG_DOUBLESIZE == 12
1794 # define LDBL_DIG 18 /* gcc? */
1796 # if LONG_DOUBLESIZE == 16
1797 # define LDBL_DIG 33 /* assume IEEE */
1799 # if LONG_DOUBLESIZE == DOUBLESIZE
1800 # define LDBL_DIG DBL_DIG /* bummer */
1809 * This is for making sure we have a good DBL_MAX value, if possible,
1810 * either for usage as NV_MAX or for usage in figuring out if we can
1811 * fit a given long double into a double, if bug-fixing makes it
1812 * necessary to do so. - Allen <allens@cpan.org>
1816 # include <limits.h>
1820 # if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1821 # include <values.h>
1822 # if defined(MAXDOUBLE) && !defined(DBL_MAX)
1823 # define DBL_MAX MAXDOUBLE
1825 # if defined(MINDOUBLE) && !defined(DBL_MIN)
1826 # define DBL_MIN MINDOUBLE
1829 #endif /* defined(I_VALUES) */
1834 # include <ieeefp.h>
1837 #ifdef USE_LONG_DOUBLE
1839 # include <sunmath.h>
1841 # define NV_DIG LDBL_DIG
1842 # ifdef LDBL_MANT_DIG
1843 # define NV_MANT_DIG LDBL_MANT_DIG
1846 # define NV_MIN LDBL_MIN
1849 # define NV_MAX LDBL_MAX
1851 # ifdef LDBL_MIN_10_EXP
1852 # define NV_MIN_10_EXP LDBL_MIN_10_EXP
1854 # ifdef LDBL_MAX_10_EXP
1855 # define NV_MAX_10_EXP LDBL_MAX_10_EXP
1857 # ifdef LDBL_EPSILON
1858 # define NV_EPSILON LDBL_EPSILON
1861 # define NV_MAX LDBL_MAX
1862 /* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
1865 # define NV_MAX HUGE_VALL
1868 # define NV_MAX ((NV)HUGE_VAL)
1873 # define Perl_cos cosl
1874 # define Perl_sin sinl
1875 # define Perl_sqrt sqrtl
1876 # define Perl_exp expl
1877 # define Perl_log logl
1878 # define Perl_atan2 atan2l
1879 # define Perl_pow powl
1880 # define Perl_floor floorl
1881 # define Perl_ceil ceill
1882 # define Perl_fmod fmodl
1884 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1886 # define Perl_modf(x,y) modfl(x,y)
1887 /* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1888 prototype in <math.h> */
1889 # ifndef HAS_MODFL_PROTO
1890 EXTERN_C long double modfl(long double, long double *);
1893 # if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
1894 extern long double Perl_my_modfl(long double x, long double *ip);
1895 # define Perl_modf(x,y) Perl_my_modfl(x,y)
1899 # define Perl_frexp(x,y) frexpl(x,y)
1901 # if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1902 extern long double Perl_my_frexpl(long double x, int *e);
1903 # define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1908 # define Perl_isnan(x) isnanl(x)
1913 # define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
1917 # define NV_DIG DBL_DIG
1918 # ifdef DBL_MANT_DIG
1919 # define NV_MANT_DIG DBL_MANT_DIG
1922 # define NV_MIN DBL_MIN
1925 # define NV_MAX DBL_MAX
1927 # ifdef DBL_MIN_10_EXP
1928 # define NV_MIN_10_EXP DBL_MIN_10_EXP
1930 # ifdef DBL_MAX_10_EXP
1931 # define NV_MAX_10_EXP DBL_MAX_10_EXP
1934 # define NV_EPSILON DBL_EPSILON
1936 # ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
1937 # define NV_MAX DBL_MAX
1938 # define NV_MIN DBL_MIN
1941 # define NV_MAX HUGE_VAL
1944 # define Perl_cos cos
1945 # define Perl_sin sin
1946 # define Perl_sqrt sqrt
1947 # define Perl_exp exp
1948 # define Perl_log log
1949 # define Perl_atan2 atan2
1950 # define Perl_pow pow
1951 # define Perl_floor floor
1952 # define Perl_ceil ceil
1953 # define Perl_fmod fmod
1954 # define Perl_modf(x,y) modf(x,y)
1955 # define Perl_frexp(x,y) frexp(x,y)
1958 /* rumor has it that Win32 has _fpclass() */
1960 /* SGI has fpclassl... but not with the same result values,
1961 * and it's via a typedef (not via #define), so will need to redo Configure
1962 * to use. Not worth the trouble, IMO, at least until the below is used
1963 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1964 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1965 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1967 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1969 # include <ieeefp.h>
1974 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1975 # define Perl_fp_class() fpclassl(x)
1977 # define Perl_fp_class() fpclass(x)
1979 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1980 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1981 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1982 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1983 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1984 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1985 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1986 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1987 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1988 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1989 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1990 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1991 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1992 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1993 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1996 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
1998 # if !defined(FP_SNAN) && defined(I_FP_CLASS)
1999 # include <fp_class.h>
2001 # define Perl_fp_class(x) fp_class(x)
2002 # define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2003 # define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2004 # define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2005 # define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2006 # define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2007 # define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2008 # define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2009 # define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2010 # define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2011 # define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2012 # define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2013 # define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2014 # define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2015 # define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2016 # define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2019 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2021 # define Perl_fp_class(x) fpclassify(x)
2022 # define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
2023 # define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2024 # define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2025 # define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2026 # define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2029 #if !defined(Perl_fp_class) && defined(HAS_CLASS)
2032 # define Perl_fp_class(x) class(x)
2034 # define Perl_fp_class(x) _class(x)
2036 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2037 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2038 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2039 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2040 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2041 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2042 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2043 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2044 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2045 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2046 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2047 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2048 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2049 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2050 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2053 /* rumor has it that Win32 has _isnan() */
2057 # define Perl_isnan(x) isnan((NV)x)
2059 # ifdef Perl_fp_class_nan
2060 # define Perl_isnan(x) Perl_fp_class_nan(x)
2062 # ifdef HAS_UNORDERED
2063 # define Perl_isnan(x) unordered((x), 0.0)
2065 # define Perl_isnan(x) ((x)!=(x))
2072 int isnan(double d);
2077 # define Perl_isinf(x) isinf((NV)x)
2079 # ifdef Perl_fp_class_inf
2080 # define Perl_isinf(x) Perl_fp_class_inf(x)
2082 # define Perl_isinf(x) ((x)==NV_INF)
2087 #ifndef Perl_isfinite
2089 # define Perl_isfinite(x) finite((NV)x)
2091 # ifdef HAS_ISFINITE
2092 # define Perl_isfinite(x) isfinite(x)
2094 # ifdef Perl_fp_class_finite
2095 # define Perl_isfinite(x) Perl_fp_class_finite(x)
2097 # define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2103 /* The default is to use Perl's own atof() implementation (in numeric.c).
2104 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2105 * it is however best to use the native implementation of atof.
2106 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2107 * Some good tests to try out with either setting are t/base/num.t,
2108 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2109 * you may need to be using a different function than atof! */
2111 #ifndef USE_PERL_ATOF
2113 # define USE_PERL_ATOF
2116 # if USE_PERL_ATOF == 0
2117 # undef USE_PERL_ATOF
2121 #ifdef USE_PERL_ATOF
2122 # define Perl_atof(s) Perl_my_atof(s)
2123 # define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2125 # define Perl_atof(s) (NV)atof(s)
2126 # define Perl_atof2(s, n) ((n) = atof(s))
2129 /* Previously these definitions used hardcoded figures.
2130 * It is hoped these formula are more portable, although
2131 * no data one way or another is presently known to me.
2132 * The "PERL_" names are used because these calculated constants
2133 * do not meet the ANSI requirements for LONG_MAX, etc., which
2134 * need to be constants acceptable to #if - kja
2135 * define PERL_LONG_MAX 2147483647L
2136 * define PERL_LONG_MIN (-LONG_MAX - 1)
2137 * define PERL ULONG_MAX 4294967295L
2140 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2141 # include <limits.h>
2143 /* Included values.h above if necessary; still including limits.h down here,
2144 * despite doing above, because math.h might have overridden... XXX - Allen */
2147 * Try to figure out max and min values for the integral types. THE CORRECT
2148 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2149 * following hacks are used if neither limits.h or values.h provide them:
2150 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2151 * for types < int: (unsigned TYPE)~(unsigned)0
2152 * The argument to ~ must be unsigned so that later signed->unsigned
2153 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2154 * and it must not be smaller than int because ~ does integral promotion.
2155 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2156 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2157 * The latter is a hack which happens to work on some machines but
2158 * does *not* catch any random system, or things like integer types
2159 * with NaN if that is possible.
2161 * All of the types are explicitly cast to prevent accidental loss of
2162 * numeric range, and in the hope that they will be less likely to confuse
2163 * over-eager optimizers.
2167 #define PERL_UCHAR_MIN ((unsigned char)0)
2170 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
2173 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
2175 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
2180 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2181 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2182 * depending on local options. Until Configure detects this (or at least
2183 * detects whether the "signed" keyword is available) the CHAR ranges
2184 * will not be included. UCHAR functions normally.
2188 #define PERL_USHORT_MIN ((unsigned short)0)
2191 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
2194 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
2197 # define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2199 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2205 # define PERL_SHORT_MAX ((short)SHORT_MAX)
2207 # ifdef MAXSHORT /* Often used in <values.h> */
2208 # define PERL_SHORT_MAX ((short)MAXSHORT)
2211 # define PERL_SHORT_MAX ((short)SHRT_MAX)
2213 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2219 # define PERL_SHORT_MIN ((short)SHORT_MIN)
2222 # define PERL_SHORT_MIN ((short)MINSHORT)
2225 # define PERL_SHORT_MIN ((short)SHRT_MIN)
2227 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2233 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
2236 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
2238 # define PERL_UINT_MAX (~(unsigned int)0)
2242 #define PERL_UINT_MIN ((unsigned int)0)
2245 # define PERL_INT_MAX ((int)INT_MAX)
2247 # ifdef MAXINT /* Often used in <values.h> */
2248 # define PERL_INT_MAX ((int)MAXINT)
2250 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
2255 # define PERL_INT_MIN ((int)INT_MIN)
2258 # define PERL_INT_MIN ((int)MININT)
2260 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2265 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
2268 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
2270 # define PERL_ULONG_MAX (~(unsigned long)0)
2274 #define PERL_ULONG_MIN ((unsigned long)0L)
2277 # define PERL_LONG_MAX ((long)LONG_MAX)
2279 # ifdef MAXLONG /* Often used in <values.h> */
2280 # define PERL_LONG_MAX ((long)MAXLONG)
2282 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
2287 # define PERL_LONG_MIN ((long)LONG_MIN)
2290 # define PERL_LONG_MIN ((long)MINLONG)
2292 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
2298 # define PERL_UQUAD_MAX (~(UV)0)
2299 # define PERL_UQUAD_MIN ((UV)0)
2300 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
2301 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
2305 typedef MEM_SIZE STRLEN;
2307 typedef struct op OP;
2308 typedef struct cop COP;
2309 typedef struct unop UNOP;
2310 typedef struct binop BINOP;
2311 typedef struct listop LISTOP;
2312 typedef struct logop LOGOP;
2313 typedef struct pmop PMOP;
2314 typedef struct svop SVOP;
2315 typedef struct padop PADOP;
2316 typedef struct pvop PVOP;
2317 typedef struct loop LOOP;
2320 typedef struct opslab OPSLAB;
2321 typedef struct opslot OPSLOT;
2324 typedef struct block_hooks BHK;
2325 typedef struct custom_op XOP;
2327 typedef struct interpreter PerlInterpreter;
2329 /* SGI's <sys/sema.h> has struct sv */
2331 # define STRUCT_SV perl_sv
2333 # define STRUCT_SV sv
2335 typedef struct STRUCT_SV SV;
2336 typedef struct av AV;
2337 typedef struct hv HV;
2338 typedef struct cv CV;
2339 typedef struct p5rx REGEXP;
2340 typedef struct gp GP;
2341 typedef struct gv GV;
2342 typedef struct io IO;
2343 typedef struct context PERL_CONTEXT;
2344 typedef struct block BLOCK;
2346 typedef struct magic MAGIC;
2347 typedef struct xpv XPV;
2348 typedef struct xpviv XPVIV;
2349 typedef struct xpvuv XPVUV;
2350 typedef struct xpvnv XPVNV;
2351 typedef struct xpvmg XPVMG;
2352 typedef struct xpvlv XPVLV;
2353 typedef struct xpvinvlist XINVLIST;
2354 typedef struct xpvav XPVAV;
2355 typedef struct xpvhv XPVHV;
2356 typedef struct xpvgv XPVGV;
2357 typedef struct xpvcv XPVCV;
2358 typedef struct xpvbm XPVBM;
2359 typedef struct xpvfm XPVFM;
2360 typedef struct xpvio XPVIO;
2361 typedef struct mgvtbl MGVTBL;
2362 typedef union any ANY;
2363 typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2364 typedef struct ptr_tbl PTR_TBL_t;
2365 typedef struct clone_params CLONE_PARAMS;
2367 /* a pad or name pad is currently just an AV; but that might change,
2368 * so hide the type. */
2369 typedef struct padlist PADLIST;
2371 typedef AV PADNAMELIST;
2374 /* enable PERL_NEW_COPY_ON_WRITE by default */
2375 #if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2376 # define PERL_NEW_COPY_ON_WRITE
2379 #if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2380 # if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2381 # error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2383 # define PERL_ANY_COW
2386 # define PERL_SAWAMPERSAND
2391 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
2392 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2393 # define USE_64_BIT_RAWIO /* implicit */
2397 /* Notice the use of HAS_FSEEKO: now we are obligated to always use
2398 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2399 * however, because operating systems like to do that themself. */
2402 # define FSEEKSIZE LSEEKSIZE
2404 # define FSEEKSIZE LONGSIZE
2408 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
2409 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2410 # define USE_64_BIT_STDIO /* implicit */
2414 #ifdef USE_64_BIT_RAWIO
2417 # define Off_t off64_t
2419 # define LSEEKSIZE 8
2421 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2422 * will trigger defines like the ones below. Some 64-bit environments,
2423 * however, do not. Therefore we have to explicitly mix and match. */
2424 # if defined(USE_OPEN64)
2425 # define open open64
2427 # if defined(USE_LSEEK64)
2428 # define lseek lseek64
2430 # if defined(USE_LLSEEK)
2431 # define lseek llseek
2434 # if defined(USE_STAT64)
2435 # define stat stat64
2437 # if defined(USE_FSTAT64)
2438 # define fstat fstat64
2440 # if defined(USE_LSTAT64)
2441 # define lstat lstat64
2443 # if defined(USE_FLOCK64)
2444 # define flock flock64
2446 # if defined(USE_LOCKF64)
2447 # define lockf lockf64
2449 # if defined(USE_FCNTL64)
2450 # define fcntl fcntl64
2452 # if defined(USE_TRUNCATE64)
2453 # define truncate truncate64
2455 # if defined(USE_FTRUNCATE64)
2456 # define ftruncate ftruncate64
2460 #ifdef USE_64_BIT_STDIO
2461 # ifdef HAS_FPOS64_T
2463 # define Fpos_t fpos64_t
2465 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2466 * will trigger defines like the ones below. Some 64-bit environments,
2467 * however, do not. */
2468 # if defined(USE_FOPEN64)
2469 # define fopen fopen64
2471 # if defined(USE_FSEEK64)
2472 # define fseek fseek64 /* don't do fseeko here, see perlio.c */
2474 # if defined(USE_FTELL64)
2475 # define ftell ftell64 /* don't do ftello here, see perlio.c */
2477 # if defined(USE_FSETPOS64)
2478 # define fsetpos fsetpos64
2480 # if defined(USE_FGETPOS64)
2481 # define fgetpos fgetpos64
2483 # if defined(USE_TMPFILE64)
2484 # define tmpfile tmpfile64
2486 # if defined(USE_FREOPEN64)
2487 # define freopen freopen64
2492 # include "iperlsys.h"
2497 # include "os2ish.h"
2499 # include "dosish.h"
2502 # include "vmsish.h"
2503 #elif defined(PLAN9)
2504 # include "./plan9/plan9ish.h"
2505 #elif defined(__VOS__)
2507 # include "./vos/vosish.h"
2509 # include "vos/vosish.h"
2511 #elif defined(__SYMBIAN32__)
2512 # include "symbian/symbianish.h"
2513 #elif defined(__HAIKU__)
2514 # include "haiku/haikuish.h"
2516 # include "unixish.h"
2519 /* NSIG logic from Configure --> */
2520 /* Strange style to avoid deeply-nested #if/#else/#endif */
2523 # define NSIG (_NSIG)
2529 # define NSIG (SIGMAX+1)
2535 # define NSIG (SIG_MAX+1)
2541 # define NSIG (_SIG_MAX+1)
2547 # define NSIG (MAXSIG+1)
2553 # define NSIG (MAX_SIG+1)
2558 # ifdef SIGARRAYSIZE
2559 # define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2565 # define NSIG (_sys_nsig) /* Solaris 2.5 */
2569 /* Default to some arbitrary number that's big enough to get most
2570 of the common signals.
2575 /* <-- NSIG logic from Configure */
2577 #ifndef NO_ENVIRON_ARRAY
2578 # define USE_ENVIRON_ARRAY
2582 * initialise to avoid floating-point exceptions from overflow, etc
2584 #ifndef PERL_FPU_INIT
2585 # ifdef HAS_FPSETMASK
2586 # if HAS_FLOATINGPOINT_H
2587 # include <floatingpoint.h>
2589 /* Some operating systems have this as a macro, which in turn expands to a comma
2590 expression, and the last sub-expression is something that gets calculated,
2591 and then they have the gall to warn that a value computed is not used. Hence
2593 # define PERL_FPU_INIT (void)fpsetmask(0)
2595 # if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
2596 # define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
2597 # define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2598 # define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
2600 # define PERL_FPU_INIT
2605 #ifndef PERL_FPU_PRE_EXEC
2606 # define PERL_FPU_PRE_EXEC {
2607 # define PERL_FPU_POST_EXEC }
2610 #ifndef PERL_SYS_INIT3_BODY
2611 # define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
2615 =head1 Miscellaneous Functions
2617 =for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
2618 Provides system-specific tune up of the C runtime environment necessary to
2619 run Perl interpreters. This should be called only once, before creating
2620 any Perl interpreters.
2622 =for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
2623 Provides system-specific tune up of the C runtime environment necessary to
2624 run Perl interpreters. This should be called only once, before creating
2625 any Perl interpreters.
2627 =for apidoc Am|void|PERL_SYS_TERM|
2628 Provides system-specific clean up of the C runtime environment after
2629 running Perl interpreters. This should be called only once, after
2630 freeing any remaining Perl interpreters.
2635 #define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2636 #define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
2637 #define PERL_SYS_TERM() Perl_sys_term()
2639 #ifndef PERL_WRITE_MSG_TO_CONSOLE
2640 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2645 # ifdef _POSIX_PATH_MAX
2646 # if PATH_MAX > _POSIX_PATH_MAX
2647 /* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2648 * included the null byte or not. Later amendments of POSIX,
2649 * XPG4, the Austin Group, and the Single UNIX Specification
2650 * all explicitly include the null byte in the PATH_MAX.
2651 * Ditto for _POSIX_PATH_MAX. */
2652 # define MAXPATHLEN PATH_MAX
2654 # define MAXPATHLEN _POSIX_PATH_MAX
2657 # define MAXPATHLEN (PATH_MAX+1)
2660 # define MAXPATHLEN 1024 /* Err on the large side. */
2664 /* In case Configure was not used (we are using a "canned config"
2665 * such as Win32, or a cross-compilation setup, for example) try going
2666 * by the gcc major and minor versions. One useful URL is
2667 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2668 * but contrary to this information warn_unused_result seems
2669 * not to be in gcc 3.3.5, at least. --jhi
2670 * Also, when building extensions with an installed perl, this allows
2671 * the user to upgrade gcc and get the right attributes, rather than
2672 * relying on the list generated at Configure time. --AD
2673 * Set these up now otherwise we get confused when some of the <*thread.h>
2674 * includes below indirectly pull in <perlio.h> (which needs to know if we
2675 * have HASATTRIBUTE_FORMAT).
2679 #if defined __GNUC__ && !defined(__INTEL_COMPILER)
2680 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2681 # define HASATTRIBUTE_DEPRECATED
2683 # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2684 # define HASATTRIBUTE_FORMAT
2685 # if defined __MINGW32__
2686 # define PRINTF_FORMAT_NULL_OK
2689 # if __GNUC__ >= 3 /* 3.0 -> */
2690 # define HASATTRIBUTE_MALLOC
2692 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2693 # define HASATTRIBUTE_NONNULL
2695 # if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2696 # define HASATTRIBUTE_NORETURN
2698 # if __GNUC__ >= 3 /* gcc 3.0 -> */
2699 # define HASATTRIBUTE_PURE
2701 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2702 # define HASATTRIBUTE_UNUSED
2704 # if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2705 # define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2707 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2708 # define HASATTRIBUTE_WARN_UNUSED_RESULT
2711 #endif /* #ifndef PERL_MICRO */
2713 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
2714 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
2715 * this results in many functions being undeclared which bothers C++
2716 * May make sense to have threads after "*ish.h" anyway
2719 #if defined(USE_ITHREADS)
2721 # include <nw5thread.h>
2724 # include <win32thread.h>
2727 # include "os2thread.h"
2729 # ifdef I_MACH_CTHREADS
2730 # include <mach/cthreads.h>
2731 typedef cthread_t perl_os_thread;
2732 typedef mutex_t perl_mutex;
2733 typedef condition_t perl_cond;
2734 typedef void * perl_key;
2735 # else /* Posix threads */
2737 # include <pthread.h>
2739 typedef pthread_t perl_os_thread;
2740 typedef pthread_mutex_t perl_mutex;
2741 typedef pthread_cond_t perl_cond;
2742 typedef pthread_key_t perl_key;
2743 # endif /* I_MACH_CTHREADS */
2746 # endif /* NETWARE */
2747 #endif /* USE_ITHREADS */
2754 # include "netware.h"
2757 #define STATUS_UNIX PL_statusvalue
2759 # define STATUS_NATIVE PL_statusvalue_vms
2761 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
2762 * its contents can not be trusted. Unfortunately, Perl seems to check
2763 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2766 # include <stsdef.h>
2768 /* Presume this because if VMS changes it, it will require a new
2769 * set of APIs for waiting on children for binary compatibility.
2771 # define child_offset_bits (8)
2772 # ifndef C_FAC_POSIX
2773 # define C_FAC_POSIX 0x35A000
2776 /* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2777 * platform from the existing UNIX or Native status values.
2780 # define STATUS_EXIT \
2781 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2782 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2785 /* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2786 * exit code and shifts the UNIX value over the correct number of bits to
2787 * be a child status. Usually the number of bits is 8, but that could be
2788 * platform dependent. The NATIVE status code is presumed to have either
2789 * from a child process.
2792 /* This is complicated. The child processes return a true native VMS
2793 status which must be saved. But there is an assumption in Perl that
2794 the UNIX child status has some relationship to errno values, so
2795 Perl tries to translate it to text in some of the tests.
2796 In order to get the string translation correct, for the error, errno
2797 must be EVMSERR, but that generates a different text message
2798 than what the test programs are expecting. So an errno value must
2799 be derived from the native status value when an error occurs.
2800 That will hide the true native status message. With this version of
2801 perl, the true native child status can always be retrieved so that
2802 is not a problem. But in this case, Pl_statusvalue and errno may
2803 have different values in them.
2806 # define STATUS_NATIVE_CHILD_SET(n) \
2808 I32 evalue = (I32)n; \
2809 if (evalue == EVMSERR) { \
2810 PL_statusvalue_vms = vaxc$errno; \
2811 PL_statusvalue = evalue; \
2813 PL_statusvalue_vms = evalue; \
2814 if (evalue == -1) { \
2815 PL_statusvalue = -1; \
2816 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2818 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2819 set_vaxc_errno(evalue); \
2820 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2821 set_errno(EVMSERR); \
2822 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2823 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2827 # ifdef VMSISH_STATUS
2828 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
2830 # define STATUS_CURRENT STATUS_UNIX
2833 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2834 * the NATIVE status to an equivalent value. Can not be used to translate
2835 * exit code values as exit code values are not guaranteed to have any
2836 * relationship at all to errno values.
2837 * This is used when Perl is forcing errno to have a specific value.
2839 # define STATUS_UNIX_SET(n) \
2841 I32 evalue = (I32)n; \
2842 PL_statusvalue = evalue; \
2843 if (PL_statusvalue != -1) { \
2844 if (PL_statusvalue != EVMSERR) { \
2845 PL_statusvalue &= 0xFFFF; \
2846 if (MY_POSIX_EXIT) \
2847 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2848 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2851 PL_statusvalue_vms = vaxc$errno; \
2854 else PL_statusvalue_vms = SS$_ABORT; \
2855 set_vaxc_errno(PL_statusvalue_vms); \
2858 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2859 * the NATIVE error status based on it.
2861 * When in the default mode to comply with the Perl VMS documentation,
2862 * 0 is a success and any other code sets the NATIVE status to a failure
2863 * code of SS$_ABORT.
2865 * In the new POSIX EXIT mode, native status will be set so that the
2866 * actual exit code will can be retrieved by the calling program or
2869 * If the exit code is not clearly a UNIX parent or child exit status,
2870 * it will be passed through as a VMS status.
2873 # define STATUS_UNIX_EXIT_SET(n) \
2875 I32 evalue = (I32)n; \
2876 PL_statusvalue = evalue; \
2877 if (MY_POSIX_EXIT) { \
2878 if (evalue <= 0xFF00) { \
2879 if (evalue > 0xFF) \
2880 evalue = (evalue >> child_offset_bits) & 0xFF; \
2881 PL_statusvalue_vms = \
2882 (C_FAC_POSIX | (evalue << 3 ) | \
2883 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2884 } else /* forgive them Perl, for they have sinned */ \
2885 PL_statusvalue_vms = evalue; \
2888 PL_statusvalue_vms = SS$_NORMAL; \
2889 else if (evalue <= 0xFF00) \
2890 PL_statusvalue_vms = SS$_ABORT; \
2891 else { /* forgive them Perl, for they have sinned */ \
2892 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2893 else PL_statusvalue_vms = vaxc$errno; \
2894 /* And obviously used a VMS status value instead of UNIX */ \
2895 PL_statusvalue = EVMSERR; \
2897 set_vaxc_errno(PL_statusvalue_vms); \
2902 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2903 * and sets the NATIVE error status based on it. This special case
2904 * is needed to maintain compatibility with past VMS behavior.
2906 * In the default mode on VMS, this number is passed through as
2907 * both the NATIVE and UNIX status. Which makes it different
2908 * that the STATUS_UNIX_EXIT_SET.
2910 * In the new POSIX EXIT mode, native status will be set so that the
2911 * actual exit code will can be retrieved by the calling program or
2914 * A POSIX exit code is from 0 to 255. If the exit code is higher
2915 * than this, it needs to be assumed that it is a VMS exit code and
2919 # define STATUS_EXIT_SET(n) \
2921 I32 evalue = (I32)n; \
2922 PL_statusvalue = evalue; \
2923 if (MY_POSIX_EXIT) \
2924 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2925 PL_statusvalue_vms = \
2926 (C_FAC_POSIX | (evalue << 3 ) | \
2927 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
2929 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2930 set_vaxc_errno(PL_statusvalue_vms); \
2934 /* This macro forces a success status */
2935 # define STATUS_ALL_SUCCESS \
2936 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
2938 /* This macro forces a failure status */
2939 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2940 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2941 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
2944 # define STATUS_NATIVE PL_statusvalue_posix
2945 # if defined(WCOREDUMP)
2946 # define STATUS_NATIVE_CHILD_SET(n) \
2948 PL_statusvalue_posix = (n); \
2949 if (PL_statusvalue_posix == -1) \
2950 PL_statusvalue = -1; \
2953 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2954 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2955 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2958 # elif defined(WIFEXITED)
2959 # define STATUS_NATIVE_CHILD_SET(n) \
2961 PL_statusvalue_posix = (n); \
2962 if (PL_statusvalue_posix == -1) \
2963 PL_statusvalue = -1; \
2966 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2967 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2971 # define STATUS_NATIVE_CHILD_SET(n) \
2973 PL_statusvalue_posix = (n); \
2974 if (PL_statusvalue_posix == -1) \
2975 PL_statusvalue = -1; \
2978 PL_statusvalue_posix & 0xFFFF; \
2982 # define STATUS_UNIX_SET(n) \
2984 PL_statusvalue = (n); \
2985 if (PL_statusvalue != -1) \
2986 PL_statusvalue &= 0xFFFF; \
2988 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
2989 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
2990 # define STATUS_CURRENT STATUS_UNIX
2991 # define STATUS_EXIT STATUS_UNIX
2992 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2993 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
2996 /* flags in PL_exit_flags for nature of exit() */
2997 #define PERL_EXIT_EXPECTED 0x01
2998 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
2999 #define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3000 #define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
3003 /* format to use for version numbers in file/directory names */
3004 /* XXX move to Configure? */
3005 /* This was only ever used for the current version, and that can be done at
3006 compile time, as PERL_FS_VERSION, so should we just delete it? */
3007 # ifndef PERL_FS_VER_FMT
3008 # define PERL_FS_VER_FMT "%d.%d.%d"
3012 #ifndef PERL_FS_VERSION
3013 # define PERL_FS_VERSION PERL_VERSION_STRING
3016 /* This defines a way to flush all output buffers. This may be a
3017 * performance issue, so we allow people to disable it. Also, if
3018 * we are using stdio, there are broken implementations of fflush(NULL)
3019 * out there, Solaris being the most prominent.
3021 #ifndef PERL_FLUSHALL_FOR_CHILD
3022 # if defined(USE_PERLIO) || defined(FFLUSH_NULL)
3023 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
3026 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
3028 # define PERL_FLUSHALL_FOR_CHILD NOOP
3033 #ifndef PERL_WAIT_FOR_CHILDREN
3034 # define PERL_WAIT_FOR_CHILDREN NOOP
3037 /* the traditional thread-unsafe notion of "current interpreter". */
3038 #ifndef PERL_SET_INTERP
3039 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3042 #ifndef PERL_GET_INTERP
3043 # define PERL_GET_INTERP (PL_curinterp)
3046 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
3047 # ifdef MULTIPLICITY
3048 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
3050 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3054 This replaces the previous %_ "hack" by the "%p" hacks.
3055 All that is required is that the perl source does not
3056 use "%-p" or "%-<number>p" or "%<number>p" formats.
3057 These formats will still work in perl code.
3058 See comments in sv.c for further details.
3060 Robin Barker 2005-07-14
3062 No longer use %1p for VDf = %vd. RMB 2007-10-19
3066 # define SVf_(n) "-" STRINGIFY(n) "p"
3074 # define SVf32 SVf_(32)
3078 # define SVf256 SVf_(256)
3081 #define SVfARG(p) ((void*)(p))
3087 /* Not ideal, but we cannot easily include a number in an already-numeric
3088 * format sequence. */
3090 # define HEKf256 "3p"
3093 #define HEKfARG(p) ((void*)(p))
3095 /* Takes three arguments: is_utf8, length, str */
3097 # define UTF8f "d%" UVuf "%4p"
3099 #define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3102 /* not used; but needed for backward compatibility with XS code? - RMB */
3110 #ifdef HASATTRIBUTE_DEPRECATED
3111 # define __attribute__deprecated__ __attribute__((deprecated))
3113 #ifdef HASATTRIBUTE_FORMAT
3114 # define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3116 #ifdef HASATTRIBUTE_MALLOC
3117 # define __attribute__malloc__ __attribute__((__malloc__))
3119 #ifdef HASATTRIBUTE_NONNULL
3120 # define __attribute__nonnull__(a) __attribute__((nonnull(a)))
3122 #ifdef HASATTRIBUTE_NORETURN
3123 # define __attribute__noreturn__ __attribute__((noreturn))
3125 #ifdef HASATTRIBUTE_PURE
3126 # define __attribute__pure__ __attribute__((pure))
3128 #ifdef HASATTRIBUTE_UNUSED
3129 # define __attribute__unused__ __attribute__((unused))
3131 #ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
3132 # define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
3135 /* If we haven't defined the attributes yet, define them to blank. */
3136 #ifndef __attribute__deprecated__
3137 # define __attribute__deprecated__
3139 #ifndef __attribute__format__
3140 # define __attribute__format__(x,y,z)
3142 #ifndef __attribute__malloc__
3143 # define __attribute__malloc__
3145 #ifndef __attribute__nonnull__
3146 # define __attribute__nonnull__(a)
3148 #ifndef __attribute__noreturn__
3149 # define __attribute__noreturn__
3151 #ifndef __attribute__pure__
3152 # define __attribute__pure__
3154 #ifndef __attribute__unused__
3155 # define __attribute__unused__
3157 #ifndef __attribute__warn_unused_result__
3158 # define __attribute__warn_unused_result__
3161 #if defined(DEBUGGING) && defined(I_ASSERT)
3162 # include <assert.h>
3165 /* For functions that are marked as __attribute__noreturn__, it's not
3166 appropriate to call return. In either case, include the lint directive.
3168 #ifdef HASATTRIBUTE_NORETURN
3169 # define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
3171 # define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
3174 /* Some OS warn on NULL format to printf */
3175 #ifdef PRINTF_FORMAT_NULL_OK
3176 # define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3178 # define __attribute__format__null_ok__(x,y,z)
3181 #ifdef HAS_BUILTIN_EXPECT
3182 # define EXPECT(expr,val) __builtin_expect(expr,val)
3184 # define EXPECT(expr,val) (expr)
3186 #define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3187 #define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
3188 #ifdef HAS_BUILTIN_CHOOSE_EXPR
3193 #ifndef __has_builtin
3194 # define __has_builtin(x) 0 /* not a clang style compiler */
3197 /* ASSUME is like assert(), but it has a benefit in a release build. It is a
3198 hint to a compiler about a statement of fact in a function call free
3199 expression, which allows the compiler to generate better machine code.
3200 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3201 the control path is unreachable. In a for loop, ASSUME can be used to hint
3202 that a loop will run atleast X times. ASSUME is based off MSVC's __assume
3203 intrinsic function, see its documents for more details.
3207 # if __has_builtin(__builtin_unreachable) \
3208 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */
3209 # define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3210 # elif defined(_MSC_VER)
3211 # define ASSUME(x) __assume(x)
3212 # elif defined(__ARMCC_VERSION) /* untested */
3213 # define ASSUME(x) __promise(x)
3215 /* a random compiler might define assert to its own special optimization token
3216 so pass it through to C lib as a last resort */
3217 # define ASSUME(x) assert(x)
3220 # define ASSUME(x) assert(x)
3223 #define NOT_REACHED ASSUME(0)
3225 /* Some unistd.h's give a prototype for pause() even though
3226 HAS_PAUSE ends up undefined. This causes the #define
3227 below to be rejected by the compiler. Sigh.
3232 #define Pause() sleep((32767<<16)+32767)
3236 # ifdef IOCPARM_MASK
3237 /* on BSDish systems we're safe */
3238 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3240 # if defined(_IOC_SIZE) && defined(__GLIBC__)
3241 /* on Linux systems we're safe; except when we're not [perl #38223] */
3242 # define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
3244 /* otherwise guess at what's safe */
3245 # define IOCPARM_LEN(x) 256
3250 #if defined(__CYGWIN__)
3252 * This symbol, if defined, indicates that the program should
3253 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
3254 * that a file is in "binary" mode -- that is, that no translation
3255 * of bytes occurs on read or write operations.
3257 # define USEMYBINMODE /**/
3258 # include <io.h> /* for setmode() prototype */
3259 # define my_binmode(fp, iotype, mode) \
3260 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
3264 void init_os_extras(void);
3267 #ifdef UNION_ANY_DEFINITION
3268 UNION_ANY_DEFINITION;
3278 void (*any_dptr) (void*);
3279 void (*any_dxptr) (pTHX_ void*);
3283 typedef I32 (*filter_t) (pTHX_ int, SV *, int);
3285 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3286 #define FILTER_DATA(idx) \
3287 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3288 #define FILTER_ISREADER(idx) \
3289 (PL_parser && PL_parser->rsfp_filters \
3290 && idx >= AvFILLp(PL_parser->rsfp_filters))
3291 #define PERL_FILTER_EXISTS(i) \
3292 (PL_parser && PL_parser->rsfp_filters \
3293 && (i) <= av_tindex(PL_parser->rsfp_filters))
3295 #if defined(_AIX) && !defined(_AIX43)
3296 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3297 /* We cannot include <crypt.h> to get the struct crypt_data
3298 * because of setkey prototype problems when threading */
3299 typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3300 /* From OSF, Not needed in AIX
3308 #endif /* threading */
3312 # include "iperlsys.h"
3315 #ifdef __LIBCATAMOUNT__
3316 #undef HAS_PASSWD /* unixish.h but not unixish enough. */
3318 #define FAKE_BIT_BUCKET
3321 /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3322 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3323 * defined by Configure, despite their names being similar to the
3324 * other defines like USE_ITHREADS. Configure in fact knows nothing
3325 * about the randomised hashes. Therefore to enable/disable the hash
3326 * randomisation defines use the Configure -Accflags=... instead. */
3327 #if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
3328 # define USE_HASH_SEED
3331 /* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3332 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3333 * it's not really needed.
3336 # define YYTOKENTYPE
3341 /* macros to define bit-fields in structs. */
3342 #ifndef PERL_BITFIELD8
3343 # define PERL_BITFIELD8 unsigned
3345 #ifndef PERL_BITFIELD16
3346 # define PERL_BITFIELD16 unsigned
3348 #ifndef PERL_BITFIELD32
3349 # define PERL_BITFIELD32 unsigned
3359 #include "opnames.h"
3366 #include "warnings.h"
3369 /* these would be in doio.h if there was such a file */
3370 #define my_stat() my_stat_flags(SV_GMAGIC)
3371 #define my_lstat() my_lstat_flags(SV_GMAGIC)
3373 /* defined in sv.c, but also used in [ach]v.c */
3376 #undef _XPVCV_COMMON
3378 typedef struct _sublex_info SUBLEXINFO;
3379 struct _sublex_info {
3380 U8 super_state; /* lexer state to save */
3381 U16 sub_inwhat; /* "lex_inwhat" to use */
3382 OP *sub_op; /* "lex_op" to use */
3383 SV *repl; /* replacement of s/// or y/// */
3388 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
3390 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3392 /* These have to be predeclared, as they are used in proto.h which is #included
3393 * before their definitions in regcomp.h. */
3396 typedef struct regnode_charclass regnode_charclass;
3398 struct regnode_charclass_class;
3400 /* A hopefully less confusing name. The sub-classes are all Posix classes only
3401 * used under /l matching */
3402 typedef struct regnode_charclass_class regnode_charclass_posixl;
3404 typedef struct regnode_ssc regnode_ssc;
3405 typedef struct RExC_state_t RExC_state_t;
3406 struct _reg_trie_data;
3410 struct ptr_tbl_ent {
3411 struct ptr_tbl_ent* next;
3417 struct ptr_tbl_ent** tbl_ary;
3420 struct ptr_tbl_arena *tbl_arena;
3421 struct ptr_tbl_ent *tbl_arena_next;
3422 struct ptr_tbl_ent *tbl_arena_end;
3425 #if defined(htonl) && !defined(HAS_HTONL)
3428 #if defined(htons) && !defined(HAS_HTONS)
3431 #if defined(ntohl) && !defined(HAS_NTOHL)
3434 #if defined(ntohs) && !defined(HAS_NTOHS)
3442 # if (BYTEORDER & 0xffff) == 0x4321
3443 /* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3444 re-order their values. However, to behave identically to the alternative
3445 implementations, they should truncate to the correct size. */
3446 # define ntohl(x) ((x)&0xFFFFFFFF)
3447 # define htonl(x) ntohl(x)
3448 # define ntohs(x) ((x)&0xFFFF)
3449 # define htons(x) ntohs(x)
3450 # elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3452 /* Note that we can't straight out declare our own htonl and htons because
3453 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3454 to avoid the overhead of initialising the socket subsystem, but the headers
3455 that *declare* the various functions are still seen. If we declare our own
3456 htonl etc they will clash with the declarations in the Win32 headers. */
3458 PERL_STATIC_INLINE U32
3459 my_swap32(const U32 x) {
3460 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3461 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3464 PERL_STATIC_INLINE U16
3465 my_swap16(const U16 x) {
3466 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3469 # define htonl(x) my_swap32(x)
3470 # define ntohl(x) my_swap32(x)
3471 # define ntohs(x) my_swap16(x)
3472 # define htons(x) my_swap16(x)
3474 # error "Unsupported byteorder"
3475 /* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3476 the error message. Please check the value of the macro BYTEORDER, as defined
3477 in config.h. The values of BYTEORDER we expect are
3479 big endian little endian
3480 32 bit 0x4321 0x1234
3481 64 bit 0x87654321 0x12345678
3483 If you have a system with a different byte order, please see
3484 pod/perlhack.pod for how to submit a patch to add supporting code.
3490 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3493 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3494 /* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3495 re-order their values. However, to behave identically to the alternative
3496 implementations, they should truncate to the correct size. */
3497 # define vtohl(x) ((x)&0xFFFFFFFF)
3498 # define vtohs(x) ((x)&0xFFFF)
3499 # define htovl(x) vtohl(x)
3500 # define htovs(x) vtohs(x)
3501 #elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
3502 # define vtohl(x) ((((x)&0xFF)<<24) \
3504 +(((x)&0x0000FF00)<<8) \
3505 +(((x)&0x00FF0000)>>8) )
3506 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3507 # define htovl(x) vtohl(x)
3508 # define htovs(x) vtohs(x)
3510 # error "Unsupported byteorder"
3511 /* If you have need for current perl on PDP-11 or similar, and can help test
3512 that blead keeps working on a mixed-endian system, then see
3513 pod/perlhack.pod for how to submit patches to things working again. */
3516 /* *MAX Plus 1. A floating point value.
3517 Hopefully expressed in a way that dodgy floating point can't mess up.
3518 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3520 May find that some broken compiler will want the value cast to I32.
3521 [after the shift, as signed >> may not be as secure as unsigned >>]
3523 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3524 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3525 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3526 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3527 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3529 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
3531 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3532 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3533 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3535 /* This may look like unnecessary jumping through hoops, but converting
3536 out of range floating point values to integers *is* undefined behaviour,
3537 and it is starting to bite.
3540 #define I_32(what) (cast_i32((NV)(what)))
3541 #define U_32(what) (cast_ulong((NV)(what)))
3542 #define I_V(what) (cast_iv((NV)(what)))
3543 #define U_V(what) (cast_uv((NV)(what)))
3545 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3546 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3547 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3548 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3549 : ((n) < U32_MAX_P1 ? (U32) (n) \
3550 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3551 #define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3552 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3553 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3554 #define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3555 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3556 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3559 #define U_S(what) ((U16)U_32(what))
3560 #define U_I(what) ((unsigned int)U_32(what))
3561 #define U_L(what) U_32(what)
3564 # define Perl_signbit signbit
3567 /* These do not care about the fractional part, only about the range. */
3568 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
3569 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
3571 /* Used with UV/IV arguments: */
3572 /* XXXX: need to speed it up */
3573 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3574 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3581 #if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
3582 Uid_t getuid (void);
3583 Uid_t geteuid (void);
3584 Gid_t getgid (void);
3585 Gid_t getegid (void);
3589 #ifndef Perl_debug_log
3590 # define Perl_debug_log PerlIO_stderr()
3593 #ifndef Perl_error_log
3594 # define Perl_error_log (PL_stderrgv \
3595 && isGV(PL_stderrgv) \
3596 && GvIOp(PL_stderrgv) \
3597 && IoOFP(GvIOp(PL_stderrgv)) \
3598 ? IoOFP(GvIOp(PL_stderrgv)) \
3603 #define DEBUG_p_FLAG 0x00000001 /* 1 */
3604 #define DEBUG_s_FLAG 0x00000002 /* 2 */
3605 #define DEBUG_l_FLAG 0x00000004 /* 4 */
3606 #define DEBUG_t_FLAG 0x00000008 /* 8 */
3607 #define DEBUG_o_FLAG 0x00000010 /* 16 */
3608 #define DEBUG_c_FLAG 0x00000020 /* 32 */
3609 #define DEBUG_P_FLAG 0x00000040 /* 64 */
3610 #define DEBUG_m_FLAG 0x00000080 /* 128 */
3611 #define DEBUG_f_FLAG 0x00000100 /* 256 */
3612 #define DEBUG_r_FLAG 0x00000200 /* 512 */
3613 #define DEBUG_x_FLAG 0x00000400 /* 1024 */
3614 #define DEBUG_u_FLAG 0x00000800 /* 2048 */
3615 /* U is reserved for Unofficial, exploratory hacking */
3616 #define DEBUG_U_FLAG 0x00001000 /* 4096 */
3617 #define DEBUG_H_FLAG 0x00002000 /* 8192 */
3618 #define DEBUG_X_FLAG 0x00004000 /* 16384 */
3619 #define DEBUG_D_FLAG 0x00008000 /* 32768 */
3620 #define DEBUG_S_FLAG 0x00010000 /* 65536 */
3621 #define DEBUG_T_FLAG 0x00020000 /* 131072 */
3622 #define DEBUG_R_FLAG 0x00040000 /* 262144 */
3623 #define DEBUG_J_FLAG 0x00080000 /* 524288 */
3624 #define DEBUG_v_FLAG 0x00100000 /*1048576 */
3625 #define DEBUG_C_FLAG 0x00200000 /*2097152 */
3626 #define DEBUG_A_FLAG 0x00400000 /*4194304 */
3627 #define DEBUG_q_FLAG 0x00800000 /*8388608 */
3628 #define DEBUG_M_FLAG 0x01000000 /*16777216*/
3629 #define DEBUG_B_FLAG 0x02000000 /*33554432*/
3630 #define DEBUG_L_FLAG 0x04000000 /*67108864*/
3631 #define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
3633 #define DEBUG_DB_RECURSE_FLAG 0x40000000
3634 #define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3635 that something was done? */
3637 # define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3638 # define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3639 # define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3640 # define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3641 # define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3642 # define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3643 # define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3644 # define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3645 # define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3646 # define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3647 # define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3648 # define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
3649 # define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
3650 # define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3651 # define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3652 # define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3653 # define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3654 # define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3655 # define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
3656 # define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
3657 # define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
3658 # define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
3659 # define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3660 # define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
3661 # define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
3662 # define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
3663 # define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
3664 # define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
3665 # define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
3666 # define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
3670 # define DEBUG_p_TEST DEBUG_p_TEST_
3671 # define DEBUG_s_TEST DEBUG_s_TEST_
3672 # define DEBUG_l_TEST DEBUG_l_TEST_
3673 # define DEBUG_t_TEST DEBUG_t_TEST_
3674 # define DEBUG_o_TEST DEBUG_o_TEST_
3675 # define DEBUG_c_TEST DEBUG_c_TEST_
3676 # define DEBUG_P_TEST DEBUG_P_TEST_
3677 # define DEBUG_m_TEST DEBUG_m_TEST_
3678 # define DEBUG_f_TEST DEBUG_f_TEST_
3679 # define DEBUG_r_TEST DEBUG_r_TEST_
3680 # define DEBUG_x_TEST DEBUG_x_TEST_
3681 # define DEBUG_u_TEST DEBUG_u_TEST_
3682 # define DEBUG_U_TEST DEBUG_U_TEST_
3683 # define DEBUG_H_TEST DEBUG_H_TEST_
3684 # define DEBUG_X_TEST DEBUG_X_TEST_
3685 # define DEBUG_D_TEST DEBUG_D_TEST_
3686 # define DEBUG_S_TEST DEBUG_S_TEST_
3687 # define DEBUG_T_TEST DEBUG_T_TEST_
3688 # define DEBUG_R_TEST DEBUG_R_TEST_
3689 # define DEBUG_J_TEST DEBUG_J_TEST_
3690 # define DEBUG_v_TEST DEBUG_v_TEST_
3691 # define DEBUG_C_TEST DEBUG_C_TEST_
3692 # define DEBUG_A_TEST DEBUG_A_TEST_
3693 # define DEBUG_q_TEST DEBUG_q_TEST_
3694 # define DEBUG_M_TEST DEBUG_M_TEST_
3695 # define DEBUG_B_TEST DEBUG_B_TEST_
3696 # define DEBUG_L_TEST DEBUG_L_TEST_
3697 # define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3698 # define DEBUG_Uv_TEST DEBUG_Uv_TEST_
3699 # define DEBUG_Pv_TEST DEBUG_Pv_TEST_
3701 # define PERL_DEB(a) a
3702 # define PERL_DEBUG(a) if (PL_debug) a
3703 # define DEBUG_p(a) if (DEBUG_p_TEST) a
3704 # define DEBUG_s(a) if (DEBUG_s_TEST) a
3705 # define DEBUG_l(a) if (DEBUG_l_TEST) a
3706 # define DEBUG_t(a) if (DEBUG_t_TEST) a
3707 # define DEBUG_o(a) if (DEBUG_o_TEST) a
3708 # define DEBUG_c(a) if (DEBUG_c_TEST) a
3709 # define DEBUG_P(a) if (DEBUG_P_TEST) a
3711 /* Temporarily turn off memory debugging in case the a
3712 * does memory allocation, either directly or indirectly. */
3713 # define DEBUG_m(a) \
3715 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
3718 # define DEBUG__(t, a) \
3720 if (t) STMT_START {a;} STMT_END; \
3723 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3724 #ifndef PERL_EXT_RE_BUILD
3725 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3727 # define DEBUG_r(a) STMT_START {a;} STMT_END
3728 #endif /* PERL_EXT_RE_BUILD */
3729 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3730 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
3731 # define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
3732 # define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3733 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3734 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
3735 # define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3736 # define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
3737 # define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
3739 # define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
3740 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3741 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
3742 # define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
3743 # define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
3744 # define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3745 # define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
3746 # define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
3747 # define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
3748 # define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
3750 #else /* DEBUGGING */
3752 # define DEBUG_p_TEST (0)
3753 # define DEBUG_s_TEST (0)
3754 # define DEBUG_l_TEST (0)
3755 # define DEBUG_t_TEST (0)
3756 # define DEBUG_o_TEST (0)
3757 # define DEBUG_c_TEST (0)
3758 # define DEBUG_P_TEST (0)
3759 # define DEBUG_m_TEST (0)
3760 # define DEBUG_f_TEST (0)
3761 # define DEBUG_r_TEST (0)
3762 # define DEBUG_x_TEST (0)
3763 # define DEBUG_u_TEST (0)
3764 # define DEBUG_U_TEST (0)
3765 # define DEBUG_H_TEST (0)
3766 # define DEBUG_X_TEST (0)
3767 # define DEBUG_D_TEST (0)
3768 # define DEBUG_S_TEST (0)
3769 # define DEBUG_T_TEST (0)
3770 # define DEBUG_R_TEST (0)
3771 # define DEBUG_J_TEST (0)
3772 # define DEBUG_v_TEST (0)
3773 # define DEBUG_C_TEST (0)
3774 # define DEBUG_A_TEST (0)
3775 # define DEBUG_q_TEST (0)
3776 # define DEBUG_M_TEST (0)
3777 # define DEBUG_B_TEST (0)
3778 # define DEBUG_L_TEST (0)
3779 # define DEBUG_Xv_TEST (0)
3780 # define DEBUG_Uv_TEST (0)
3781 # define DEBUG_Pv_TEST (0)
3783 # define PERL_DEB(a)
3784 # define PERL_DEBUG(a)
3811 # define DEBUG_Xv(a)
3812 # define DEBUG_Uv(a)
3813 # define DEBUG_Pv(a)
3814 #endif /* DEBUGGING */
3817 #define DEBUG_SCOPE(where) \
3819 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3820 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
3821 __FILE__, __LINE__));
3823 /* Keep the old croak based assert for those who want it, and as a fallback if
3824 the platform is so heretically non-ANSI that it can't assert. */
3826 #define Perl_assert(what) PERL_DEB( \
3827 ((what) ? ((void) 0) : \
3828 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
3829 "\", line %d", STRINGIFY(what), __LINE__), \
3832 /* assert() gets defined if DEBUGGING (and I_ASSERT).
3833 * If no DEBUGGING, the <assert.h> has not been included. */
3835 # define assert(what) Perl_assert(what)
3838 # define assert_(what) assert(what),
3840 # define assert_(what)
3844 I32 (*uf_val)(pTHX_ IV, SV*);
3845 I32 (*uf_set)(pTHX_ IV, SV*);
3849 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
3850 * XS code wanting to be backward compatible can do something
3851 * like the following:
3853 #ifndef PERL_MG_UFUNC
3854 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3857 static PERL_MG_UFUNC(foo_get, index, val)
3867 #ifndef PERL_MG_UFUNC
3868 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
3871 /* Fix these up for __STDC__ */
3872 #ifndef DONT_DECLARE_STD
3873 char *mktemp (char*);
3875 double atof (const char*);
3880 /* All of these are in stdlib.h or time.h for ANSI C */
3882 struct tm *gmtime(), *localtime();
3884 char *(strchr)(), *(strrchr)();
3885 char *(strcpy)(), *(strcat)();
3887 char *strchr(), *strrchr();
3888 char *strcpy(), *strcat();
3890 #endif /* ! STANDARD_C */
3897 double exp (double);
3898 double log (double);
3899 double log10 (double);
3900 double sqrt (double);
3901 double frexp (double,int*);
3902 double ldexp (double,int);
3903 double modf (double,double*);
3904 double sin (double);
3905 double cos (double);
3906 double atan2 (double,double);
3907 double pow (double,double);
3911 #if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3912 # define NV_INF LDBL_INFINITY
3914 #if !defined(NV_INF) && defined(DBL_INFINITY)
3915 # define NV_INF (NV)DBL_INFINITY
3917 #if !defined(NV_INF) && defined(INFINITY)
3918 # define NV_INF (NV)INFINITY
3920 #if !defined(NV_INF) && defined(INF)
3921 # define NV_INF (NV)INF
3923 #if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3924 # define NV_INF (NV)HUGE_VALL
3926 #if !defined(NV_INF) && defined(HUGE_VAL)
3927 # define NV_INF (NV)HUGE_VAL
3930 #if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3931 # if !defined(NV_NAN) && defined(LDBL_NAN)
3932 # define NV_NAN LDBL_NAN
3934 # if !defined(NV_NAN) && defined(LDBL_QNAN)
3935 # define NV_NAN LDBL_QNAN
3937 # if !defined(NV_NAN) && defined(LDBL_SNAN)
3938 # define NV_NAN LDBL_SNAN
3941 #if !defined(NV_NAN) && defined(DBL_NAN)
3942 # define NV_NAN (NV)DBL_NAN
3944 #if !defined(NV_NAN) && defined(DBL_QNAN)
3945 # define NV_NAN (NV)DBL_QNAN
3947 #if !defined(NV_NAN) && defined(DBL_SNAN)
3948 # define NV_NAN (NV)DBL_SNAN
3950 #if !defined(NV_NAN) && defined(QNAN)
3951 # define NV_NAN (NV)QNAN
3953 #if !defined(NV_NAN) && defined(SNAN)
3954 # define NV_NAN (NV)SNAN
3956 #if !defined(NV_NAN) && defined(NAN)
3957 # define NV_NAN (NV)NAN
3961 # if !defined(WIN32) && !defined(VMS)
3963 char *crypt (const char*, const char*);
3965 # endif /* !WIN32 */
3966 # ifndef DONT_DECLARE_STD
3968 char *getenv (const char*);
3969 # endif /* !getenv */
3970 # if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
3971 # ifdef _FILE_OFFSET_BITS
3972 # if _FILE_OFFSET_BITS == 64
3973 Off_t lseek (int,Off_t,int);
3977 # endif /* !DONT_DECLARE_STD */
3980 char *getlogin (void);
3982 # endif /* !WIN32 */
3983 #endif /* !__cplusplus */
3985 /* Fixme on VMS. This needs to be a run-time, not build time options */
3986 /* Also rename() is affected by this */
3987 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
3988 #define UNLINK unlnk
3989 I32 unlnk (pTHX_ const char*);
3991 #define UNLINK PerlLIO_unlink
3994 /* some versions of glibc are missing the setresuid() proto */
3995 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
3996 int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3998 /* some versions of glibc are missing the setresgid() proto */
3999 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
4000 int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4003 #ifndef HAS_SETREUID
4004 # ifdef HAS_SETRESUID
4005 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4006 # define HAS_SETREUID
4009 #ifndef HAS_SETREGID
4010 # ifdef HAS_SETRESGID
4011 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4012 # define HAS_SETREGID
4016 /* Sighandler_t defined in iperlsys.h */
4018 #ifdef HAS_SIGACTION
4019 typedef struct sigaction Sigsave_t;
4021 typedef Sighandler_t Sigsave_t;
4032 # define RUNOPS_DEFAULT Perl_runops_debug
4034 # define RUNOPS_DEFAULT Perl_runops_standard
4037 #if defined(USE_PERLIO)
4038 EXTERN_C void PerlIO_teardown(void);
4039 # ifdef USE_ITHREADS
4040 # define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4041 # define PERLIO_TERM \
4043 PerlIO_teardown(); \
4044 MUTEX_DESTROY(&PL_perlio_mutex);\
4047 # define PERLIO_INIT
4048 # define PERLIO_TERM PerlIO_teardown()
4051 # define PERLIO_INIT
4052 # define PERLIO_TERM
4056 # ifdef MUTEX_INIT_CALLS_MALLOC
4057 # define MALLOC_INIT \
4059 PL_malloc_mutex = NULL; \
4060 MUTEX_INIT(&PL_malloc_mutex); \
4062 # define MALLOC_TERM \
4064 perl_mutex tmp = PL_malloc_mutex; \
4065 PL_malloc_mutex = NULL; \
4066 MUTEX_DESTROY(&tmp); \
4069 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4070 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4073 # define MALLOC_INIT
4074 # define MALLOC_TERM
4077 #if defined(PERL_IMPLICIT_CONTEXT)
4079 struct perl_memory_debug_header;
4080 struct perl_memory_debug_header {
4082 # if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
4085 struct perl_memory_debug_header *prev;
4086 struct perl_memory_debug_header *next;
4087 # ifdef PERL_DEBUG_READONLY_COW
4092 #elif defined(PERL_DEBUG_READONLY_COW)
4094 struct perl_memory_debug_header;
4095 struct perl_memory_debug_header {
4101 #if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
4103 # define PERL_MEMORY_DEBUG_HEADER_SIZE \
4104 (sizeof(struct perl_memory_debug_header) + \
4105 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4106 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4109 # define PERL_MEMORY_DEBUG_HEADER_SIZE 0
4112 #ifdef PERL_TRACK_MEMPOOL
4113 # ifdef PERL_DEBUG_READONLY_COW
4114 # define INIT_TRACK_MEMPOOL(header, interp) \
4116 (header).interpreter = (interp); \
4117 (header).prev = (header).next = &(header); \
4118 (header).readonly = 0; \
4121 # define INIT_TRACK_MEMPOOL(header, interp) \
4123 (header).interpreter = (interp); \
4124 (header).prev = (header).next = &(header); \
4128 # define INIT_TRACK_MEMPOOL(header, interp)
4131 #ifdef I_MALLOCMALLOC
4132 /* Needed for malloc_size(), malloc_good_size() on some systems */
4133 # include <malloc/malloc.h>
4137 # define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
4139 # if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
4140 # ifdef PERL_TRACK_MEMPOOL
4141 # define Perl_safesysmalloc_size(where) \
4142 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4144 # define Perl_safesysmalloc_size(where) malloc_size(where)
4147 # ifdef HAS_MALLOC_GOOD_SIZE
4148 # ifdef PERL_TRACK_MEMPOOL
4149 # define Perl_malloc_good_size(how_much) \
4150 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4152 # define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4155 /* Having this as the identity operation makes some code simpler. */
4156 # define Perl_malloc_good_size(how_much) (how_much)
4160 typedef int (*runops_proc_t)(pTHX);
4161 typedef void (*share_proc_t) (pTHX_ SV *sv);
4162 typedef int (*thrhook_proc_t) (pTHX);
4163 typedef OP* (*PPADDR_t[]) (pTHX);
4164 typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4165 typedef void (*despatch_signals_proc_t) (pTHX);
4167 #if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4168 # include <crt_externs.h> /* for the env array */
4169 # define environ (*_NSGetEnviron())
4171 /* VMS and some other platforms don't use the environ array */
4172 # ifdef USE_ENVIRON_ARRAY
4173 # if !defined(DONT_DECLARE_STD) || \
4174 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
4176 extern char ** environ; /* environment variables supplied via exec */
4181 #define PERL_PATCHLEVEL_H_IMPLICIT
4182 #include "patchlevel.h"
4183 #undef PERL_PATCHLEVEL_H_IMPLICIT
4185 #define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4186 STRINGIFY(PERL_VERSION) "." \
4187 STRINGIFY(PERL_SUBVERSION)
4189 #define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4190 STRINGIFY(PERL_API_VERSION) "." \
4191 STRINGIFY(PERL_API_SUBVERSION)
4195 /* handy constants */
4196 EXTCONST char PL_warn_uninit[]
4197 INIT("Use of uninitialized value%s%s%s");
4198 EXTCONST char PL_warn_uninit_sv[]
4199 INIT("Use of uninitialized value%" SVf "%s%s");
4200 EXTCONST char PL_warn_nosemi[]
4201 INIT("Semicolon seems to be missing");
4202 EXTCONST char PL_warn_reserved[]
4203 INIT("Unquoted string \"%s\" may clash with future reserved word");
4204 EXTCONST char PL_warn_nl[]
4205 INIT("Unsuccessful %s on filename containing newline");
4206 EXTCONST char PL_no_wrongref[]
4207 INIT("Can't use %s ref as %s ref");
4208 /* The core no longer needs these here. If you require the string constant,
4209 please inline a copy into your own code. */
4210 EXTCONST char PL_no_symref[] __attribute__deprecated__
4211 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
4212 EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4213 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
4214 EXTCONST char PL_no_usym[]
4215 INIT("Can't use an undefined value as %s reference");
4216 EXTCONST char PL_no_aelem[]
4217 INIT("Modification of non-creatable array value attempted, subscript %d");
4218 EXTCONST char PL_no_helem_sv[]
4219 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
4220 EXTCONST char PL_no_modify[]
4221 INIT("Modification of a read-only value attempted");
4222 EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
4223 INIT("Out of memory!\n");
4224 EXTCONST char PL_no_security[]
4225 INIT("Insecure dependency in %s%s");
4226 EXTCONST char PL_no_sock_func[]
4227 INIT("Unsupported socket function \"%s\" called");
4228 EXTCONST char PL_no_dir_func[]
4229 INIT("Unsupported directory function \"%s\" called");
4230 EXTCONST char PL_no_func[]
4231 INIT("The %s function is unimplemented");
4232 EXTCONST char PL_no_myglob[]
4233 INIT("\"%s\" variable %s can't be in a package");
4234 EXTCONST char PL_no_localize_ref[]
4235 INIT("Can't localize through a reference");
4236 EXTCONST char PL_memory_wrap[]
4237 INIT("panic: memory wrap");
4239 EXTCONST char PL_Yes[]
4241 EXTCONST char PL_No[]
4243 EXTCONST char PL_hexdigit[]
4244 INIT("0123456789abcdef0123456789ABCDEF");
4246 /* This is constant on most architectures, a global on OS/2 */
4248 EXTCONST char PL_sh_path[]
4249 INIT(SH_PATH); /* full path of shell */
4253 EXTCONST char PL_cshname[]
4255 # define PL_cshlen (sizeof(CSH "") - 1)
4258 /* These are baked at compile time into any shared perl library.
4259 In future releases this will allow us in main() to sanity test the
4260 library we're linking against. */
4262 EXTCONST U8 PL_revision
4263 INIT(PERL_REVISION);
4264 EXTCONST U8 PL_version
4266 EXTCONST U8 PL_subversion
4267 INIT(PERL_SUBVERSION);
4269 EXTCONST char PL_uuemap[65]
4270 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4273 EXTCONST char PL_uudmap[256] =
4275 # include "uuudmap.h"
4277 # include "uudmap.h"
4280 EXTCONST char PL_bitcount[256] =
4282 # include "ubitcount.h"
4284 # include "bitcount.h"
4287 EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4288 EXTCONST int PL_sig_num[] = { SIG_NUM };
4290 EXTCONST char PL_uudmap[256];
4291 EXTCONST char PL_bitcount[256];
4292 EXTCONST char* const PL_sig_name[];
4293 EXTCONST int PL_sig_num[];
4296 /* fast conversion and case folding tables. The folding tables complement the
4297 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4298 * folds such as outside the range or to multiple characters. */
4303 /* The EBCDIC fold table depends on the code page, and hence is found in
4306 EXTCONST unsigned char PL_fold[] = {
4307 0, 1, 2, 3, 4, 5, 6, 7,
4308 8, 9, 10, 11, 12, 13, 14, 15,
4309 16, 17, 18, 19, 20, 21, 22, 23,
4310 24, 25, 26, 27, 28, 29, 30, 31,
4311 32, 33, 34, 35, 36, 37, 38, 39,
4312 40, 41, 42, 43, 44, 45, 46, 47,
4313 48, 49, 50, 51, 52, 53, 54, 55,
4314 56, 57, 58, 59, 60, 61, 62, 63,
4315 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4316 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4317 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4318 'x', 'y', 'z', 91, 92, 93, 94, 95,
4319 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4320 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4321 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4322 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4323 128, 129, 130, 131, 132, 133, 134, 135,
4324 136, 137, 138, 139, 140, 141, 142, 143,
4325 144, 145, 146, 147, 148, 149, 150, 151,
4326 152, 153, 154, 155, 156, 157, 158, 159,
4327 160, 161, 162, 163, 164, 165, 166, 167,
4328 168, 169, 170, 171, 172, 173, 174, 175,
4329 176, 177, 178, 179, 180, 181, 182, 183,
4330 184, 185, 186, 187, 188, 189, 190, 191,
4331 192, 193, 194, 195, 196, 197, 198, 199,
4332 200, 201, 202, 203, 204, 205, 206, 207,
4333 208, 209, 210, 211, 212, 213, 214, 215,
4334 216, 217, 218, 219, 220, 221, 222, 223,
4335 224, 225, 226, 227, 228, 229, 230, 231,
4336 232, 233, 234, 235, 236, 237, 238, 239,
4337 240, 241, 242, 243, 244, 245, 246, 247,
4338 248, 249, 250, 251, 252, 253, 254, 255
4340 EXTCONST unsigned char PL_fold_latin1[] = {
4341 /* Full latin1 complement folding, except for three problematic code points:
4342 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4343 * fold complements outside the Latin1 range, so can't match something
4344 * that isn't in utf8.
4345 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4346 * not one, so can't be represented in this table.
4348 * All have to be specially handled */
4349 0, 1, 2, 3, 4, 5, 6, 7,
4350 8, 9, 10, 11, 12, 13, 14, 15,
4351 16, 17, 18, 19, 20, 21, 22, 23,
4352 24, 25, 26, 27, 28, 29, 30, 31,
4353 32, 33, 34, 35, 36, 37, 38, 39,
4354 40, 41, 42, 43, 44, 45, 46, 47,
4355 48, 49, 50, 51, 52, 53, 54, 55,
4356 56, 57, 58, 59, 60, 61, 62, 63,
4357 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4358 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4359 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4360 'x', 'y', 'z', 91, 92, 93, 94, 95,
4361 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4362 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4363 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4364 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4365 128, 129, 130, 131, 132, 133, 134, 135,
4366 136, 137, 138, 139, 140, 141, 142, 143,
4367 144, 145, 146, 147, 148, 149, 150, 151,
4368 152, 153, 154, 155, 156, 157, 158, 159,
4369 160, 161, 162, 163, 164, 165, 166, 167,
4370 168, 169, 170, 171, 172, 173, 174, 175,
4371 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4372 184, 185, 186, 187, 188, 189, 190, 191,
4373 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4374 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4375 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4376 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4377 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4378 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4379 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4380 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4381 255 /* y with diaeresis */
4384 /* If these tables are accessed through ebcdic, the access will be converted to
4386 EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4387 0, 1, 2, 3, 4, 5, 6, 7,
4388 8, 9, 10, 11, 12, 13, 14, 15,
4389 16, 17, 18, 19, 20, 21, 22, 23,
4390 24, 25, 26, 27, 28, 29, 30, 31,
4391 32, 33, 34, 35, 36, 37, 38, 39,
4392 40, 41, 42, 43, 44, 45, 46, 47,
4393 48, 49, 50, 51, 52, 53, 54, 55,
4394 56, 57, 58, 59, 60, 61, 62, 63,
4395 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4396 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4397 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4398 'x', 'y', 'z', 91, 92, 93, 94, 95,
4399 96, 97, 98, 99, 100, 101, 102, 103,
4400 104, 105, 106, 107, 108, 109, 110, 111,
4401 112, 113, 114, 115, 116, 117, 118, 119,
4402 120, 121, 122, 123, 124, 125, 126, 127,
4403 128, 129, 130, 131, 132, 133, 134, 135,
4404 136, 137, 138, 139, 140, 141, 142, 143,
4405 144, 145, 146, 147, 148, 149, 150, 151,
4406 152, 153, 154, 155, 156, 157, 158, 159,
4407 160, 161, 162, 163, 164, 165, 166, 167,
4408 168, 169, 170, 171, 172, 173, 174, 175,
4409 176, 177, 178, 179, 180, 181, 182, 183,
4410 184, 185, 186, 187, 188, 189, 190, 191,
4411 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4412 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4413 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4414 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4415 224, 225, 226, 227, 228, 229, 230, 231,
4416 232, 233, 234, 235, 236, 237, 238, 239,
4417 240, 241, 242, 243, 244, 245, 246, 247,
4418 248, 249, 250, 251, 252, 253, 254, 255
4421 /* upper and title case of latin1 characters, modified so that the three tricky
4422 * ones are mapped to 255 (which is one of the three) */
4423 EXTCONST unsigned char PL_mod_latin1_uc[] = {
4424 0, 1, 2, 3, 4, 5, 6, 7,
4425 8, 9, 10, 11, 12, 13, 14, 15,
4426 16, 17, 18, 19, 20, 21, 22, 23,
4427 24, 25, 26, 27, 28, 29, 30, 31,
4428 32, 33, 34, 35, 36, 37, 38, 39,
4429 40, 41, 42, 43, 44, 45, 46, 47,
4430 48, 49, 50, 51, 52, 53, 54, 55,
4431 56, 57, 58, 59, 60, 61, 62, 63,
4432 64, 65, 66, 67, 68, 69, 70, 71,
4433 72, 73, 74, 75, 76, 77, 78, 79,
4434 80, 81, 82, 83, 84, 85, 86, 87,
4435 88, 89, 90, 91, 92, 93, 94, 95,
4436 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4437 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4438 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4439 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4440 128, 129, 130, 131, 132, 133, 134, 135,
4441 136, 137, 138, 139, 140, 141, 142, 143,
4442 144, 145, 146, 147, 148, 149, 150, 151,
4443 152, 153, 154, 155, 156, 157, 158, 159,
4444 160, 161, 162, 163, 164, 165, 166, 167,
4445 168, 169, 170, 171, 172, 173, 174, 175,
4446 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4447 184, 185, 186, 187, 188, 189, 190, 191,
4448 192, 193, 194, 195, 196, 197, 198, 199,
4449 200, 201, 202, 203, 204, 205, 206, 207,
4450 208, 209, 210, 211, 212, 213, 214, 215,
4451 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4452 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4453 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4454 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4455 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4457 #endif /* !EBCDIC, but still in DOINIT */
4458 #else /* ! DOINIT */
4460 EXTCONST unsigned char PL_fold[];
4461 EXTCONST unsigned char PL_fold_latin1[];
4462 EXTCONST unsigned char PL_mod_latin1_uc[];
4463 EXTCONST unsigned char PL_latin1_lc[];
4467 #ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
4469 EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
4470 0, 1, 2, 3, 4, 5, 6, 7,
4471 8, 9, 10, 11, 12, 13, 14, 15,
4472 16, 17, 18, 19, 20, 21, 22, 23,
4473 24, 25, 26, 27, 28, 29, 30, 31,
4474 32, 33, 34, 35, 36, 37, 38, 39,
4475 40, 41, 42, 43, 44, 45, 46, 47,
4476 48, 49, 50, 51, 52, 53, 54, 55,
4477 56, 57, 58, 59, 60, 61, 62, 63,
4478 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4479 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4480 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4481 'x', 'y', 'z', 91, 92, 93, 94, 95,
4482 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4483 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4484 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4485 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4486 128, 129, 130, 131, 132, 133, 134, 135,
4487 136, 137, 138, 139, 140, 141, 142, 143,
4488 144, 145, 146, 147, 148, 149, 150, 151,
4489 152, 153, 154, 155, 156, 157, 158, 159,
4490 160, 161, 162, 163, 164, 165, 166, 167,
4491 168, 169, 170, 171, 172, 173, 174, 175,
4492 176, 177, 178, 179, 180, 181, 182, 183,
4493 184, 185, 186, 187, 188, 189, 190, 191,
4494 192, 193, 194, 195, 196, 197, 198, 199,
4495 200, 201, 202, 203, 204, 205, 206, 207,
4496 208, 209, 210, 211, 212, 213, 214, 215,
4497 216, 217, 218, 219, 220, 221, 222, 223,
4498 224, 225, 226, 227, 228, 229, 230, 231,
4499 232, 233, 234, 235, 236, 237, 238, 239,
4500 240, 241, 242, 243, 244, 245, 246, 247,
4501 248, 249, 250, 251, 252, 253, 254, 255
4504 EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
4506 #endif /* !PERL_GLOBAL_STRUCT */
4510 EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
4511 1, 2, 84, 151, 154, 155, 156, 157,
4512 165, 246, 250, 3, 158, 7, 18, 29,
4513 40, 51, 62, 73, 85, 96, 107, 118,
4514 129, 140, 147, 148, 149, 150, 152, 153,
4515 255, 6, 8, 9, 10, 11, 12, 13,
4516 14, 15, 24, 25, 26, 27, 28, 226,
4517 29, 30, 31, 32, 33, 43, 44, 45,
4518 46, 47, 48, 49, 50, 76, 77, 78,
4519 79, 80, 81, 82, 83, 84, 85, 86,
4520 87, 94, 95, 234, 181, 233, 187, 190,
4521 180, 96, 97, 98, 99, 100, 101, 102,
4522 104, 112, 182, 174, 236, 232, 229, 103,
4523 228, 226, 114, 115, 116, 117, 118, 119,
4524 120, 121, 122, 235, 176, 230, 194, 162,
4525 130, 131, 132, 133, 134, 135, 136, 137,
4526 138, 139, 201, 205, 163, 217, 220, 224,
4527 5, 248, 227, 244, 242, 255, 241, 231,
4528 240, 253, 16, 197, 19, 20, 21, 187,
4529 23, 169, 210, 245, 237, 249, 247, 239,
4530 168, 252, 34, 196, 36, 37, 38, 39,
4531 41, 42, 251, 254, 238, 223, 221, 213,
4532 225, 177, 52, 53, 54, 55, 56, 57,
4533 58, 59, 60, 61, 63, 64, 65, 66,
4534 67, 68, 69, 70, 71, 72, 74, 75,
4535 205, 208, 186, 202, 200, 218, 198, 179,
4536 178, 214, 88, 89, 90, 91, 92, 93,
4537 217, 166, 170, 207, 199, 209, 206, 204,
4538 160, 212, 105, 106, 108, 109, 110, 111,
4539 203, 113, 216, 215, 192, 175, 193, 243,
4540 172, 161, 123, 124, 125, 126, 127, 128,
4541 222, 219, 211, 195, 188, 193, 185, 184,
4542 191, 183, 141, 142, 143, 144, 145, 146
4544 #else /* ascii rather than ebcdic */
4545 EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
4546 1, 2, 84, 151, 154, 155, 156, 157,
4547 165, 246, 250, 3, 158, 7, 18, 29,
4548 40, 51, 62, 73, 85, 96, 107, 118,
4549 129, 140, 147, 148, 149, 150, 152, 153,
4550 255, 182, 224, 205, 174, 176, 180, 217,
4551 233, 232, 236, 187, 235, 228, 234, 226,
4552 222, 219, 211, 195, 188, 193, 185, 184,
4553 191, 183, 201, 229, 181, 220, 194, 162,
4554 163, 208, 186, 202, 200, 218, 198, 179,
4555 178, 214, 166, 170, 207, 199, 209, 206,
4556 204, 160, 212, 216, 215, 192, 175, 173,
4557 243, 172, 161, 190, 203, 189, 164, 230,
4558 167, 248, 227, 244, 242, 255, 241, 231,
4559 240, 253, 169, 210, 245, 237, 249, 247,
4560 239, 168, 252, 251, 254, 238, 223, 221,
4561 213, 225, 177, 197, 171, 196, 159, 4,
4562 5, 6, 8, 9, 10, 11, 12, 13,
4563 14, 15, 16, 17, 19, 20, 21, 22,
4564 23, 24, 25, 26, 27, 28, 30, 31,
4565 32, 33, 34, 35, 36, 37, 38, 39,
4566 41, 42, 43, 44, 45, 46, 47, 48,
4567 49, 50, 52, 53, 54, 55, 56, 57,
4568 58, 59, 60, 61, 63, 64, 65, 66,
4569 67, 68, 69, 70, 71, 72, 74, 75,
4570 76, 77, 78, 79, 80, 81, 82, 83,
4571 86, 87, 88, 89, 90, 91, 92, 93,
4572 94, 95, 97, 98, 99, 100, 101, 102,
4573 103, 104, 105, 106, 108, 109, 110, 111,
4574 112, 113, 114, 115, 116, 117, 119, 120,
4575 121, 122, 123, 124, 125, 126, 127, 128,
4576 130, 131, 132, 133, 134, 135, 136, 137,
4577 138, 139, 141, 142, 143, 144, 145, 146
4581 EXTCONST unsigned char PL_freq[];
4584 /* Although only used for debugging, these constants must be available in
4585 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4586 * which has DEBUGGING enabled always */
4588 EXTCONST char* const PL_block_type[] = {
4603 EXTCONST char* PL_block_type[];
4606 /* These are all the compile time options that affect binary compatibility.
4607 Other compile time options that are binary compatible are in perl.c
4608 Both are combined for the output of perl -V
4609 However, this string will be embedded in any shared perl library, which will
4610 allow us add a comparison check in perlmain.c in the near future. */
4612 EXTCONST char PL_bincompat_options[] =
4613 # ifdef DEBUG_LEAKING_SCALARS
4614 " DEBUG_LEAKING_SCALARS"
4616 # ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4617 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4625 # ifdef HAVE_INTERP_INTERN
4626 " HAVE_INTERP_INTERN"
4628 # ifdef MULTIPLICITY
4634 # ifdef PERLIO_LAYERS
4637 # ifdef PERL_DEBUG_READONLY_COW
4638 " PERL_DEBUG_READONLY_COW"
4640 # ifdef PERL_DEBUG_READONLY_OPS
4641 " PERL_DEBUG_READONLY_OPS"
4643 # ifdef PERL_GLOBAL_STRUCT
4644 " PERL_GLOBAL_STRUCT"
4646 # ifdef PERL_IMPLICIT_CONTEXT
4647 " PERL_IMPLICIT_CONTEXT"
4649 # ifdef PERL_IMPLICIT_SYS
4650 " PERL_IMPLICIT_SYS"
4655 # ifdef PERL_NEED_APPCTX
4658 # ifdef PERL_NEED_TIMESBASE
4659 " PERL_NEED_TIMESBASE"
4661 # ifdef PERL_OLD_COPY_ON_WRITE
4662 " PERL_OLD_COPY_ON_WRITE"
4667 # ifdef PERL_SAWAMPERSAND
4668 " PERL_SAWAMPERSAND"
4670 # ifdef PERL_TRACK_MEMPOOL
4671 " PERL_TRACK_MEMPOOL"
4673 # ifdef PERL_USES_PL_PIDSTATUS
4674 " PERL_USES_PL_PIDSTATUS"
4676 # ifdef USE_64_BIT_ALL
4679 # ifdef USE_64_BIT_INT
4685 # ifdef USE_ITHREADS
4688 # ifdef USE_LARGE_FILES
4691 # ifdef USE_LOCALE_COLLATE
4692 " USE_LOCALE_COLLATE"
4694 # ifdef USE_LOCALE_NUMERIC
4695 " USE_LOCALE_NUMERIC"
4697 # ifdef USE_LOCALE_TIME
4700 # ifdef USE_LONG_DOUBLE
4706 # ifdef USE_REENTRANT_API
4707 " USE_REENTRANT_API"
4712 # ifdef VMS_DO_SOCKETS
4715 # ifdef VMS_SHORTEN_LONG_SYMBOLS
4716 " VMS_SHORTEN_LONG_SYMBOLS"
4718 # ifdef VMS_WE_ARE_CASE_SENSITIVE
4719 " VMS_SYMBOL_CASE_AS_IS"
4723 EXTCONST char PL_bincompat_options[];
4726 #ifndef PERL_SET_PHASE
4727 # define PERL_SET_PHASE(new_phase) \
4728 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
4729 PL_phase = new_phase;
4732 /* The interpreter phases. If these ever change, PL_phase_names right below will
4733 * need to be updated accordingly. */
4735 PERL_PHASE_CONSTRUCT = 0,
4736 PERL_PHASE_START = 1,
4737 PERL_PHASE_CHECK = 2,
4738 PERL_PHASE_INIT = 3,
4741 PERL_PHASE_DESTRUCT = 6
4745 EXTCONST char *const PL_phase_names[] = {
4755 EXTCONST char *const PL_phase_names[];
4759 /* Do not use this macro. It only exists for extensions that rely on PL_dirty
4760 * instead of using the newer PL_phase, which provides everything PL_dirty
4761 * provided, and more. */
4762 # define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
4764 # define PL_amagic_generation PL_na
4765 #endif /* !PERL_CORE */
4767 #define PL_hints PL_compiling.cop_hints
4771 /*****************************************************************************/
4772 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
4773 /*****************************************************************************/
4774 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
4777 /* LynxOS defines these in scsi.h which is included via ioctl.h */
4786 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
4798 XTERMORDORDOR /* evil hack */
4799 /* update exp_name[] in toke.c if adding to this enum */
4802 /* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4803 special and there is no need for HINT_PRIVATE_MASK for COPs
4804 However, bitops store HINT_INTEGER in their op_private.
4806 NOTE: The typical module using these has the bit value hard-coded, so don't
4807 blindly change the values of these.
4809 If we run out of bits, the 2 locale ones could be combined. The PARTIAL one
4810 is for "use locale 'FOO'" which excludes some categories. It requires going
4811 to %^H to find out which are in and which are out. This could be extended
4812 for the normal case of a plain HINT_LOCALE, so that %^H would be used for
4814 #define HINT_INTEGER 0x00000001 /* integer pragma */
4815 #define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4816 #define HINT_LOCALE 0x00000004 /* locale pragma */
4817 #define HINT_BYTES 0x00000008 /* bytes pragma */
4818 #define HINT_LOCALE_PARTIAL 0x00000010 /* locale, but a subset of categories */
4820 #define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
4821 #define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
4822 #define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
4824 #define HINT_BLOCK_SCOPE 0x00000100
4825 #define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4826 #define HINT_STRICT_VARS 0x00000400 /* strict pragma */
4827 #define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
4829 /* The HINT_NEW_* constants are used by the overload pragma */
4830 #define HINT_NEW_INTEGER 0x00001000
4831 #define HINT_NEW_FLOAT 0x00002000
4832 #define HINT_NEW_BINARY 0x00004000
4833 #define HINT_NEW_STRING 0x00008000
4834 #define HINT_NEW_RE 0x00010000
4835 #define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
4836 #define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4837 #define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
4839 #define HINT_RE_TAINT 0x00100000 /* re pragma */
4840 #define HINT_RE_EVAL 0x00200000 /* re pragma */
4842 #define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4843 #define HINT_UTF8 0x00800000 /* utf8 pragma */
4845 #define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4847 #define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4849 #define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4851 /* Note: Used for NATIVE_HINTS, currently
4852 defined by vms/vmsish.h:
4857 /* The following are stored in $^H{sort}, not in PL_hints */
4858 #define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4859 #define HINT_SORT_QUICKSORT 0x00000001
4860 #define HINT_SORT_MERGESORT 0x00000002
4861 #define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
4863 /* flags for PL_sawampersand */
4865 #define SAWAMPERSAND_LEFT 1 /* saw $` */
4866 #define SAWAMPERSAND_MIDDLE 2 /* saw $& */
4867 #define SAWAMPERSAND_RIGHT 4 /* saw $' */
4869 #ifndef PERL_SAWAMPERSAND
4870 # define PL_sawampersand \
4871 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
4874 /* Various states of the input record separator SV (rs) */
4875 #define RsSNARF(sv) (! SvOK(sv))
4876 #define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4877 #define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
4878 #define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
4880 /* A struct for keeping various DEBUGGING related stuff,
4881 * neatly packed. Currently only scratch variables for
4882 * constructing debug output are included. Needed always,
4883 * not just when DEBUGGING, though, because of the re extension. c*/
4884 struct perl_debug_pad {
4888 #define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
4889 #define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4890 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4893 /* Enable variables which are pointers to functions */
4894 typedef void (*peep_t)(pTHX_ OP* o);
4895 typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4896 typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
4897 char* strend, char* strbeg, I32 minend,
4898 SV* screamer, void* data, U32 flags);
4899 typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
4900 char *strpos, char *strend,
4902 re_scream_pos_data *d);
4903 typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4904 typedef void (*regfree_t) (pTHX_ struct regexp* r);
4905 typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
4906 typedef I32 (*re_fold_t)(const char *, char const *, I32);
4908 typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
4909 typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
4910 typedef void (*SVFUNC_t) (pTHX_ SV* const);
4911 typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
4912 typedef void (*XSINIT_t) (pTHX);
4913 typedef void (*ATEXIT_t) (pTHX_ void*);
4914 typedef void (*XSUBADDR_t) (pTHX_ CV *);
4916 typedef OP* (*Perl_ppaddr_t)(pTHX);
4917 typedef OP* (*Perl_check_t) (pTHX_ OP*);
4918 typedef void(*Perl_ophook_t)(pTHX_ OP*);
4919 typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
4920 typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
4922 typedef void(*globhook_t)(pTHX);
4924 #define KEYWORD_PLUGIN_DECLINE 0
4925 #define KEYWORD_PLUGIN_STMT 1
4926 #define KEYWORD_PLUGIN_EXPR 2
4928 /* Interpreter exitlist entry */
4929 typedef struct exitlistentry {
4930 void (*fn) (pTHX_ void*);
4932 } PerlExitListEntry;
4934 /* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4935 /* These have to be before perlvars.h */
4936 #if !defined(HAS_SIGACTION) && defined(VMS)
4937 # define FAKE_PERSISTENT_SIGNAL_HANDLERS
4939 /* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4940 #if defined(KILL_BY_SIGPRC)
4941 # define FAKE_DEFAULT_SIGNAL_HANDLERS
4944 #if !defined(MULTIPLICITY)
4946 struct interpreter {
4952 /* If we have multiple interpreters define a struct
4953 holding variables which must be per-interpreter
4954 If we don't have threads anything that would have
4955 be per-thread is per-interpreter.
4958 /* Set up PERLVAR macros for populating structs */
4959 # define PERLVAR(prefix,var,type) type prefix##var;
4961 /* 'var' is an array of length 'n' */
4962 # define PERLVARA(prefix,var,n,type) type prefix##var[n];
4964 /* initialize 'var' to init' */
4965 # define PERLVARI(prefix,var,type,init) type prefix##var;
4967 /* like PERLVARI, but make 'var' a const */
4968 # define PERLVARIC(prefix,var,type,init) type prefix##var;
4970 struct interpreter {
4971 # include "intrpvar.h"
4974 EXTCONST U16 PL_interp_size
4975 INIT(sizeof(struct interpreter));
4977 # define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4978 STRUCT_OFFSET(struct interpreter, member) + \
4979 sizeof(((struct interpreter*)0)->member)
4981 /* This will be useful for subsequent releases, because this has to be the
4982 same in your libperl as in main(), else you have a mismatch and must abort.
4984 EXTCONST U16 PL_interp_size_5_18_0
4985 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER));
4988 # ifdef PERL_GLOBAL_STRUCT
4989 /* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4990 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4993 # include "perlvars.h"
4996 EXTCONST U16 PL_global_struct_size
4997 INIT(sizeof(struct perl_vars));
5000 # ifndef PERL_GLOBAL_STRUCT_PRIVATE
5001 EXT struct perl_vars PL_Vars;
5002 EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
5003 # undef PERL_GET_VARS
5004 # define PERL_GET_VARS() PL_VarsPtr
5005 # endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
5006 # else /* PERL_CORE */
5007 # if !defined(__GNUC__) || !defined(WIN32)
5010 struct perl_vars *PL_VarsPtr;
5011 # define PL_Vars (*((PL_VarsPtr) \
5012 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
5013 # endif /* PERL_CORE */
5014 # endif /* PERL_GLOBAL_STRUCT */
5016 /* Done with PERLVAR macros for now ... */
5022 #endif /* MULTIPLICITY */
5024 struct tempsym; /* defined in pp_pack.c */
5029 #ifndef PERL_CALLCONV
5031 # define PERL_CALLCONV extern "C"
5033 # define PERL_CALLCONV
5036 #ifndef PERL_CALLCONV_NO_RET
5037 # define PERL_CALLCONV_NO_RET PERL_CALLCONV
5040 /* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
5041 dont have a noreturn as a declaration specifier
5043 #ifndef PERL_STATIC_NO_RET
5044 # define PERL_STATIC_NO_RET STATIC
5046 /* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
5047 builds that dont have a noreturn as a declaration specifier
5049 #ifndef PERL_STATIC_INLINE_NO_RET
5050 # define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
5056 #define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5057 #define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
5060 # include "malloc_ctl.h"
5065 /* this has structure inits, so it cannot be included before here */
5068 /* The following must follow proto.h as #defines mess up syntax */
5070 #if !defined(PERL_FOR_X2P)
5071 # include "embedvar.h"
5074 /* Now include all the 'global' variables
5075 * If we don't have threads or multiple interpreters
5076 * these include variables that would have been their struct-s
5079 #define PERLVAR(prefix,var,type) EXT type PL_##var;
5080 #define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5081 #define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5082 #define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
5084 #if !defined(MULTIPLICITY)
5086 # include "intrpvar.h"
5091 /* All core uses now exterminated. Ensure no zombies can return: */
5095 /* Now all the config stuff is setup we can include embed.h
5096 In particular, need the relevant *ish file included already, as it may
5097 define HAVE_INTERP_INTERN */
5100 #ifndef PERL_GLOBAL_STRUCT
5103 # include "perlvars.h"
5115 /* dummy variables that hold pointers to both runops functions, thus forcing
5116 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5118 EXTCONST runops_proc_t PL_runops_std
5119 INIT(Perl_runops_standard);
5120 EXTCONST runops_proc_t PL_runops_dbg
5121 INIT(Perl_runops_debug);
5123 /* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5124 * magic vtables const, but this is incompatible with SWIG which
5125 * does want to modify the vtables. */
5126 #ifdef PERL_GLOBAL_STRUCT_PRIVATE
5127 # define EXT_MGVTBL EXTCONST MGVTBL
5129 # define EXT_MGVTBL EXT MGVTBL
5132 #define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
5133 #define PERL_MAGIC_VALUE_MAGIC 0x80
5134 #define PERL_MAGIC_VTABLE_MASK 0x3F
5135 #define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5136 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
5137 #define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5138 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5140 #include "mg_vtable.h"
5143 EXTCONST U8 PL_magic_data[256] =
5145 # include "umg_data.h"
5147 # include "mg_data.h"
5151 EXTCONST U8 PL_magic_data[256];
5155 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */
5157 PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5159 PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5161 PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
5163 PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
5165 PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
5167 PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
5171 EXTCONST bool PL_valid_types_IVX[];
5172 EXTCONST bool PL_valid_types_NVX[];
5173 EXTCONST bool PL_valid_types_PVX[];
5174 EXTCONST bool PL_valid_types_RV[];
5175 EXTCONST bool PL_valid_types_IV_set[];
5176 EXTCONST bool PL_valid_types_NV_set[];
5181 /* if these never got defined, they need defaults */
5182 #ifndef PERL_SET_CONTEXT
5183 # define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5186 #ifndef PERL_GET_CONTEXT
5187 # define PERL_GET_CONTEXT PERL_GET_INTERP
5190 #ifndef PERL_GET_THX
5191 # define PERL_GET_THX ((void*)NULL)
5194 #ifndef PERL_SET_THX
5195 # define PERL_SET_THX(t) NOOP
5199 #ifndef PERL_NO_INLINE_FUNCTIONS
5200 /* Static inline funcs that depend on includes and declarations above.
5201 Some of these reference functions in the perl object files, and some
5202 compilers aren't smart enough to eliminate unused static inline
5203 functions, so including this file in source code can cause link errors
5204 even if the source code uses none of the functions. Hence including these
5205 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will
5206 (obviously) result in unworkable XS code, but allows simple probing code
5207 to continue to work, because it permits tests to include the perl headers
5208 for definitions without creating a link dependency on the perl library
5209 (which may not exist yet).
5212 # include "inline.h"
5215 #include "overload.h"
5224 CV* table[NofAMmeth];
5226 struct am_table_short {
5232 typedef struct am_table AMT;
5233 typedef struct am_table_short AMTS;
5235 #define AMGfallNEVER 1
5237 #define AMGfallYES 3
5239 #define AMTf_AMAGIC 1
5240 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5241 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5242 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5244 #define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
5247 * some compilers like to redefine cos et alia as faster
5248 * (and less accurate?) versions called F_cos et cetera (Quidquid
5249 * latine dictum sit, altum viditur.) This trick collides with
5250 * the Perl overloading (amg). The following #defines fool both.
5255 # define F_atan2_amg atan2_amg
5258 # define F_cos_amg cos_amg
5261 # define F_exp_amg exp_amg
5264 # define F_log_amg log_amg
5267 # define F_pow_amg pow_amg
5270 # define F_sin_amg sin_amg
5273 # define F_sqrt_amg sqrt_amg
5275 #endif /* _FASTMATH */
5277 #define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5278 PERLDBf_NOOPT | PERLDBf_INTER | \
5279 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
5280 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5282 /* No _NONAME, _GOTO */
5283 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5284 #define PERLDBf_LINE 0x02 /* Keep line # */
5285 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5286 #define PERLDBf_INTER 0x08 /* Preserve more data for
5287 later inspections */
5288 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5289 #define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5290 #define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5291 #define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5292 #define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5293 #define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
5294 #define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
5295 #define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
5296 #define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
5298 #define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5299 #define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5300 #define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5301 #define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5302 #define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5303 #define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5304 #define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5305 #define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
5306 #define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5307 #define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
5308 #define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
5309 #define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5310 #define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
5313 /* These locale things are all subject to change */
5314 /* Returns TRUE if the plain locale pragma without a parameter is in effect
5316 # define IN_LOCALE_RUNTIME cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE)
5318 /* Returns TRUE if either form of the locale pragma is in effect */
5319 # define IN_SOME_LOCALE_FORM_RUNTIME \
5320 cBOOL(CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
5322 # define IN_LOCALE_COMPILETIME cBOOL(PL_hints & HINT_LOCALE)
5323 # define IN_SOME_LOCALE_FORM_COMPILETIME \
5324 cBOOL(PL_hints & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
5326 # define IN_LOCALE \
5327 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
5328 # define IN_SOME_LOCALE_FORM \
5329 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5330 : IN_SOME_LOCALE_FORM_RUNTIME)
5332 # define IN_LC_ALL_COMPILETIME IN_LOCALE_COMPILETIME
5333 # define IN_LC_ALL_RUNTIME IN_LOCALE_RUNTIME
5335 # define IN_LC_PARTIAL_COMPILETIME cBOOL(PL_hints & HINT_LOCALE_PARTIAL)
5336 # define IN_LC_PARTIAL_RUNTIME \
5337 cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE_PARTIAL)
5339 # define IN_LC_COMPILETIME(category) \
5340 (IN_LC_ALL_COMPILETIME || (IN_LC_PARTIAL_COMPILETIME \
5341 && _is_in_locale_category(TRUE, (category))))
5342 # define IN_LC_RUNTIME(category) \
5343 (IN_LC_ALL_RUNTIME || (IN_LC_PARTIAL_RUNTIME \
5344 && _is_in_locale_category(FALSE, (category))))
5345 # define IN_LC(category) \
5346 (IN_LC_COMPILETIME(category) || IN_LC_RUNTIME(category))
5348 #else /* No locale usage */
5349 # define IN_LOCALE_RUNTIME 0
5350 # define IN_SOME_LOCALE_FORM_RUNTIME 0
5351 # define IN_LOCALE_COMPILETIME 0
5352 # define IN_SOME_LOCALE_FORM_COMPILETIME 0
5353 # define IN_LOCALE 0
5354 # define IN_SOME_LOCALE_FORM 0
5355 # define IN_LC_ALL_COMPILETIME 0
5356 # define IN_LC_ALL_RUNTIME 0
5357 # define IN_LC_PARTIAL_COMPILETIME 0
5358 # define IN_LC_PARTIAL_RUNTIME 0
5359 # define IN_LC_COMPILETIME(category) 0
5360 # define IN_LC_RUNTIME(category) 0
5361 # define IN_LC(category) 0
5364 #ifdef USE_LOCALE_NUMERIC
5366 /* These macros are for toggling between the underlying locale (LOCAL) and the
5369 /* The first set makes sure that the locale is set to C unless within a 'use
5370 * locale's scope; otherwise to the default locale. A function pointer is
5371 * used, which can be declared separately by
5372 * DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED, followed by the actual
5373 * setting (using STORE_LC_NUMERIC_SET_TO_NEEDED()), or the two can be combined
5374 * into one call DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED().
5375 * RESTORE_LC_NUMERIC() in all cases restores the locale to what it was before
5376 * these were called */
5378 #define _NOT_IN_NUMERIC_STANDARD (! PL_numeric_standard)
5380 /* We can lock the category to stay in the C locale, making requests to the
5381 * contrary noops, in the dynamic scope by setting PL_numeric_standard to 2 */
5382 #define _NOT_IN_NUMERIC_LOCAL (! PL_numeric_local && PL_numeric_standard < 2)
5384 #define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \
5385 void (*_restore_LC_NUMERIC_function)(pTHX) = NULL;
5387 #define STORE_LC_NUMERIC_SET_TO_NEEDED() \
5388 if (IN_LC(LC_NUMERIC)) { \
5389 if (_NOT_IN_NUMERIC_LOCAL) { \
5390 set_numeric_local(); \
5391 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
5395 if (_NOT_IN_NUMERIC_STANDARD) { \
5396 SET_NUMERIC_STANDARD(); \
5397 _restore_LC_NUMERIC_function = &Perl_set_numeric_local; \
5401 #define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \
5402 DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \
5403 STORE_LC_NUMERIC_SET_TO_NEEDED();
5405 #define RESTORE_LC_NUMERIC() \
5406 if (_restore_LC_NUMERIC_function) { \
5407 _restore_LC_NUMERIC_function(aTHX); \
5410 /* The next two macros set unconditionally. These should be rarely used, and
5411 * only after being sure that this is what is needed */
5412 #define SET_NUMERIC_STANDARD() \
5413 STMT_START { if (_NOT_IN_NUMERIC_STANDARD) set_numeric_standard(); \
5416 #define SET_NUMERIC_LOCAL() \
5417 STMT_START { if (_NOT_IN_NUMERIC_LOCAL) \
5418 set_numeric_local(); } STMT_END
5420 /* The rest of these LC_NUMERIC macros toggle to one or the other state, with
5421 * the RESTORE_foo ones called to switch back, but only if need be */
5422 #define STORE_NUMERIC_LOCAL_SET_STANDARD() \
5423 bool _was_local = _NOT_IN_NUMERIC_STANDARD; \
5424 if (_was_local) set_numeric_standard();
5426 /* Doesn't change to underlying locale unless within the scope of some form of
5427 * 'use locale'. This is the usual desired behavior. */
5428 #define STORE_NUMERIC_STANDARD_SET_LOCAL() \
5429 bool _was_standard = _NOT_IN_NUMERIC_LOCAL \
5430 && IN_LC(LC_NUMERIC); \
5431 if (_was_standard) set_numeric_local();
5433 /* Rarely, we want to change to the underlying locale even outside of 'use
5434 * locale'. This is principally in the POSIX:: functions */
5435 #define STORE_NUMERIC_STANDARD_FORCE_LOCAL() \
5436 bool _was_standard = _NOT_IN_NUMERIC_LOCAL; \
5437 if (_was_standard) set_numeric_local();
5439 /* Lock to the C locale until unlock is called */
5440 #define LOCK_NUMERIC_STANDARD() \
5441 (__ASSERT_(PL_numeric_standard) \
5442 PL_numeric_standard = 2)
5444 #define UNLOCK_NUMERIC_STANDARD() \
5445 (__ASSERT_(PL_numeric_standard == 2) \
5446 PL_numeric_standard = 1)
5448 #define RESTORE_NUMERIC_LOCAL() \
5449 if (_was_local) set_numeric_local();
5451 #define RESTORE_NUMERIC_STANDARD() \
5452 if (_was_standard) SET_NUMERIC_STANDARD();
5454 #define Atof my_atof
5456 #else /* !USE_LOCALE_NUMERIC */
5458 #define SET_NUMERIC_STANDARD() /**/
5459 #define SET_NUMERIC_LOCAL() /**/
5460 #define IS_NUMERIC_RADIX(a, b) (0)
5461 #define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5462 #define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
5463 #define STORE_NUMERIC_STANDARD_FORCE_LOCAL()
5464 #define RESTORE_NUMERIC_LOCAL() /**/
5465 #define RESTORE_NUMERIC_STANDARD() /**/
5466 #define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED
5467 #define STORE_LC_NUMERIC_SET_TO_NEEDED()
5468 #define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED()
5469 #define RESTORE_LC_NUMERIC()
5470 #define LOCK_NUMERIC_STANDARD()
5471 #define UNLOCK_NUMERIC_STANDARD()
5473 #define Atof my_atof
5475 #endif /* !USE_LOCALE_NUMERIC */
5477 #if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5478 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5480 # define strtoll __strtoll /* secret handshake */
5483 # define strtoll _strtoi64 /* secret handshake */
5485 # if !defined(Strtol) && defined(HAS_STRTOLL)
5486 # define Strtol strtoll
5488 # if !defined(Strtol) && defined(HAS_STRTOQ)
5489 # define Strtol strtoq
5491 /* is there atoq() anywhere? */
5493 #if !defined(Strtol) && defined(HAS_STRTOL)
5494 # define Strtol strtol
5497 /* It would be more fashionable to use Strtol() to define atol()
5498 * (as is done for Atoul(), see below) but for backward compatibility
5499 * we just assume atol(). */
5500 # if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5501 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5503 # define atoll _atoi64 /* secret handshake */
5511 #if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5512 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5514 # define strtoull __strtoull /* secret handshake */
5517 # define strtoull _strtoui64 /* secret handshake */
5519 # if !defined(Strtoul) && defined(HAS_STRTOULL)
5520 # define Strtoul strtoull
5522 # if !defined(Strtoul) && defined(HAS_STRTOUQ)
5523 # define Strtoul strtouq
5525 /* is there atouq() anywhere? */
5527 #if !defined(Strtoul) && defined(HAS_STRTOUL)
5528 # define Strtoul strtoul
5530 #if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5531 # define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5534 # define Atoul(s) Strtoul(s, NULL, 10)
5537 #ifndef PERL_SCRIPT_MODE
5538 #define PERL_SCRIPT_MODE "r"
5542 * Some operating systems are stingy with stack allocation,
5543 * so perl may have to guard against stack overflow.
5545 #ifndef PERL_STACK_OVERFLOW_CHECK
5546 #define PERL_STACK_OVERFLOW_CHECK() NOOP
5550 * Some nonpreemptive operating systems find it convenient to
5551 * check for asynchronous conditions after each op execution.
5552 * Keep this check simple, or it may slow down execution
5557 # ifndef PERL_ASYNC_CHECK
5558 # define PERL_ASYNC_CHECK() if (UNLIKELY(PL_sig_pending)) PL_signalhook(aTHX)
5562 #ifndef PERL_ASYNC_CHECK
5563 # define PERL_ASYNC_CHECK() NOOP
5567 * On some operating systems, a memory allocation may succeed,
5568 * but put the process too close to the system's comfort limit.
5569 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5572 #ifndef PERL_ALLOC_CHECK
5573 #define PERL_ALLOC_CHECK(p) NOOP
5577 # include <sys/ipc.h>
5578 # include <sys/sem.h>
5579 # ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5582 struct semid_ds *buf;
5583 unsigned short *array;
5586 # ifdef USE_SEMCTL_SEMUN
5587 # ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5588 union gccbug_semun {
5590 struct semid_ds *buf;
5591 unsigned short *array;
5594 # define semun gccbug_semun
5596 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5598 # ifdef USE_SEMCTL_SEMID_DS
5599 # ifdef EXTRA_F_IN_SEMUN_BUF
5600 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5602 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5609 * Boilerplate macros for initializing and accessing interpreter-local
5610 * data from C. All statics in extensions should be reworked to use
5611 * this, if you want to make the extension thread-safe. See
5612 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5613 * and perlxs.pod for more.
5615 * Code that uses these macros is responsible for the following:
5616 * 1. #define MY_CXT_KEY to a unique string, e.g.
5617 * "DynaLoader::_guts" XS_VERSION
5618 * XXX in the current implementation, this string is ignored.
5619 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5620 * all the data that needs to be interpreter-local.
5621 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5622 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5623 * (typically put in the BOOT: section).
5624 * 5. Use the members of the my_cxt_t structure everywhere as
5626 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5630 #if defined(PERL_IMPLICIT_CONTEXT)
5632 /* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
5633 * right after the definition (i.e. at file scope). The non-threads
5634 * case below uses it to declare the data as static. */
5635 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
5636 # define START_MY_CXT
5637 # define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5638 # define MY_CXT_INIT_ARG MY_CXT_KEY
5640 # define START_MY_CXT static int my_cxt_index = -1;
5641 # define MY_CXT_INDEX my_cxt_index
5642 # define MY_CXT_INIT_ARG &my_cxt_index
5643 # endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5645 /* Creates and zeroes the per-interpreter data.
5646 * (We allocate my_cxtp in a Perl SV so that it will be released when
5647 * the interpreter goes away.) */
5648 # define MY_CXT_INIT \
5649 my_cxt_t *my_cxtp = \
5650 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5651 PERL_UNUSED_VAR(my_cxtp)
5652 # define MY_CXT_INIT_INTERP(my_perl) \
5653 my_cxt_t *my_cxtp = \
5654 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5655 PERL_UNUSED_VAR(my_cxtp)
5657 /* This declaration should be used within all functions that use the
5658 * interpreter-local data. */
5660 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
5661 # define dMY_CXT_INTERP(my_perl) \
5662 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5664 /* Clones the per-interpreter data. */
5665 # define MY_CXT_CLONE \
5666 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5667 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5668 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5671 /* This macro must be used to access members of the my_cxt_t structure.
5672 * e.g. MY_CXT.some_data */
5673 # define MY_CXT (*my_cxtp)
5675 /* Judicious use of these macros can reduce the number of times dMY_CXT
5676 * is used. Use is similar to pTHX, aTHX etc. */
5677 # define pMY_CXT my_cxt_t *my_cxtp
5678 # define pMY_CXT_ pMY_CXT,
5679 # define _pMY_CXT ,pMY_CXT
5680 # define aMY_CXT my_cxtp
5681 # define aMY_CXT_ aMY_CXT,
5682 # define _aMY_CXT ,aMY_CXT
5684 #else /* PERL_IMPLICIT_CONTEXT */
5686 # define START_MY_CXT static my_cxt_t my_cxt;
5687 # define dMY_CXT_SV dNOOP
5688 # define dMY_CXT dNOOP
5689 # define dMY_CXT_INTERP(my_perl) dNOOP
5690 # define MY_CXT_INIT NOOP
5691 # define MY_CXT_CLONE NOOP
5692 # define MY_CXT my_cxt
5694 # define pMY_CXT void
5701 #endif /* !defined(PERL_IMPLICIT_CONTEXT) */
5712 # include <sys/file.h>
5715 #if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
5716 int flock(int fd, int op);
5720 /* Assume UNIX defaults */
5721 # define O_RDONLY 0000
5722 # define O_WRONLY 0001
5723 # define O_RDWR 0002
5724 # define O_CREAT 0100
5735 #if O_TEXT != O_BINARY
5736 /* If you have different O_TEXT and O_BINARY and you are a CRLF shop,
5737 * that is, you are somehow DOSish. */
5738 # if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
5739 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5740 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
5741 /* VOS has O_TEXT != O_BINARY, and they have effect,
5742 * but VOS always uses LF, never CRLF. */
5743 /* If you have O_TEXT different from your O_BINARY but you still are
5744 * not a CRLF shop. */
5745 # undef PERLIO_USING_CRLF
5747 /* If you really are DOSish. */
5748 # define PERLIO_USING_CRLF 1
5753 # include <libutil.h> /* setproctitle() in some FreeBSDs */
5756 #ifndef EXEC_ARGV_CAST
5757 #define EXEC_ARGV_CAST(x) (char **)x
5760 #define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5761 int). value returned in pointed-
5763 #define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5764 #define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5765 #define IS_NUMBER_NEG 0x08 /* leading minus sign */
5766 #define IS_NUMBER_INFINITY 0x10 /* this is big */
5767 #define IS_NUMBER_NAN 0x20 /* this is not */
5768 #define IS_NUMBER_TRAILING 0x40 /* number has trailing trash */
5770 #define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5773 #define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
5774 #define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
5775 #define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
5776 #define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5777 numbers which are <= UV_MAX */
5778 #define PERL_SCAN_TRAILING 0x10 /* grok_number_flags() allow trailing
5779 and set IS_NUMBER_TRAILING */
5782 #define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5784 /* to let user control profiling */
5785 #ifdef PERL_GPROF_CONTROL
5786 extern void moncontrol(int);
5787 #define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5789 #define PERL_GPROF_MONCONTROL(x)
5796 /* ISO 6429 NEL - C1 control NExt Line */
5797 /* See http://www.unicode.org/unicode/reports/tr13/ */
5798 #define NEXT_LINE_CHAR NEXT_LINE_NATIVE
5800 /* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5801 #define UNICODE_LINE_SEPA_0 0xE2
5802 #define UNICODE_LINE_SEPA_1 0x80
5803 #define UNICODE_LINE_SEPA_2 0xA8
5804 #define UNICODE_PARA_SEPA_0 0xE2
5805 #define UNICODE_PARA_SEPA_1 0x80
5806 #define UNICODE_PARA_SEPA_2 0xA9
5808 #ifndef PIPESOCK_MODE
5809 # define PIPESOCK_MODE
5812 #ifndef SOCKET_OPEN_MODE
5813 # define SOCKET_OPEN_MODE PIPESOCK_MODE
5816 #ifndef PIPE_OPEN_MODE
5817 # define PIPE_OPEN_MODE PIPESOCK_MODE
5820 #define PERL_MAGIC_UTF8_CACHESIZE 2
5822 #define PERL_UNICODE_STDIN_FLAG 0x0001
5823 #define PERL_UNICODE_STDOUT_FLAG 0x0002
5824 #define PERL_UNICODE_STDERR_FLAG 0x0004
5825 #define PERL_UNICODE_IN_FLAG 0x0008
5826 #define PERL_UNICODE_OUT_FLAG 0x0010
5827 #define PERL_UNICODE_ARGV_FLAG 0x0020
5828 #define PERL_UNICODE_LOCALE_FLAG 0x0040
5829 #define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5830 #define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
5832 #define PERL_UNICODE_STD_FLAG \
5833 (PERL_UNICODE_STDIN_FLAG | \
5834 PERL_UNICODE_STDOUT_FLAG | \
5835 PERL_UNICODE_STDERR_FLAG)
5837 #define PERL_UNICODE_INOUT_FLAG \
5838 (PERL_UNICODE_IN_FLAG | \
5839 PERL_UNICODE_OUT_FLAG)
5841 #define PERL_UNICODE_DEFAULT_FLAGS \
5842 (PERL_UNICODE_STD_FLAG | \
5843 PERL_UNICODE_INOUT_FLAG | \
5844 PERL_UNICODE_LOCALE_FLAG)
5846 #define PERL_UNICODE_ALL_FLAGS 0x01ff
5848 #define PERL_UNICODE_STDIN 'I'
5849 #define PERL_UNICODE_STDOUT 'O'
5850 #define PERL_UNICODE_STDERR 'E'
5851 #define PERL_UNICODE_STD 'S'
5852 #define PERL_UNICODE_IN 'i'
5853 #define PERL_UNICODE_OUT 'o'
5854 #define PERL_UNICODE_INOUT 'D'
5855 #define PERL_UNICODE_ARGV 'A'
5856 #define PERL_UNICODE_LOCALE 'L'
5857 #define PERL_UNICODE_WIDESYSCALLS 'W'
5858 #define PERL_UNICODE_UTF8CACHEASSERT 'a'
5860 #define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5862 /* Use instead of abs() since abs() forces its argument to be an int,
5863 * but also beware since this evaluates its argument twice, so no x++. */
5864 #define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5866 #if defined(__DECC) && defined(__osf__)
5867 #pragma message disable (mainparm) /* Perl uses the envp in main(). */
5870 #define do_open(g, n, l, a, rm, rp, sf) \
5871 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
5872 #ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
5873 # define do_exec(cmd) do_exec3(cmd,0,0)
5876 # define do_aexec Perl_do_aexec
5878 # define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
5881 /* check embedded \0 characters in pathnames passed to syscalls,
5882 but allow one ending \0 */
5883 #define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name)))
5885 #define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name))
5888 #define NO_ENV_ARRAY_IN_MAIN
5891 /* These are used by Perl_pv_escape() and Perl_pv_pretty()
5892 * are here so that they are available throughout the core
5893 * NOTE that even though some are for _escape and some for _pretty
5894 * there must not be any clashes as the flags from _pretty are
5895 * passed straight through to _escape.
5898 #define PERL_PV_ESCAPE_QUOTE 0x0001
5899 #define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5901 #define PERL_PV_PRETTY_ELLIPSES 0x0002
5902 #define PERL_PV_PRETTY_LTGT 0x0004
5904 #define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5906 #define PERL_PV_ESCAPE_UNI 0x0100
5907 #define PERL_PV_ESCAPE_UNI_DETECT 0x0200
5908 #define PERL_PV_ESCAPE_NONASCII 0x0400
5910 #define PERL_PV_ESCAPE_ALL 0x1000
5911 #define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5912 #define PERL_PV_ESCAPE_NOCLEAR 0x4000
5913 #define PERL_PV_ESCAPE_RE 0x8000
5915 #define PERL_PV_ESCAPE_DWIM 0x10000
5917 #define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5919 /* used by pv_display in dump.c*/
5920 #define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
5921 #define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
5925 (KEEP THIS LAST IN perl.h!)
5967 so that Configure picks them up.
5969 (KEEP THIS LAST IN perl.h!)
5973 #endif /* Include guard */
5977 * c-indentation-style: bsd
5979 * indent-tabs-mode: nil
5982 * ex: set ts=8 sts=4 sw=4 et: