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 /* this is used for functions which take a depth trailing
32 * argument under debugging */
34 #define _pDEPTH ,U32 depth
35 #define _aDEPTH ,depth
41 /* NOTE 1: that with gcc -std=c89 the __STDC_VERSION__ is *not* defined
42 * because the __STDC_VERSION__ became a thing only with C90. Therefore,
43 * with gcc, HAS_C99 will never become true as long as we use -std=c89.
45 * NOTE 2: headers lie. Do not expect that if HAS_C99 gets to be true,
46 * all the C99 features are there and are correct. */
47 #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
48 defined(_STDC_C99) || defined(__c99)
52 /* See L<perlguts/"The Perl API"> for detailed notes on
53 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
55 /* Note that from here --> to <-- the same logic is
56 * repeated in makedef.pl, so be certain to update
57 * both places when editing. */
60 # if !defined(MULTIPLICITY)
65 #ifdef PERL_GLOBAL_STRUCT_PRIVATE
66 # ifndef PERL_GLOBAL_STRUCT
67 # define PERL_GLOBAL_STRUCT
71 #ifdef PERL_GLOBAL_STRUCT
78 # ifndef PERL_IMPLICIT_CONTEXT
79 # define PERL_IMPLICIT_CONTEXT
83 /* undef WIN32 when building on Cygwin (for libwin32) - gph */
89 #if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
96 # include "symbian/symbian_proto.h"
99 /* Any stack-challenged places. The limit varies (and often
100 * is configurable), but using more than a kilobyte of stack
101 * is usually dubious in these systems. */
102 #if defined(__SYMBIAN32__)
103 /* Symbian: need to work around the SDK features. *
104 * On WINS: MS VC5 generates calls to _chkstk, *
105 * if a "large" stack frame is allocated. *
106 * gcc on MARM does not generate calls like these. */
107 # define USE_HEAP_INSTEAD_OF_STACK
110 /* Use the reentrant APIs like localtime_r and getpwent_r */
111 /* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
112 #if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32)
113 # define USE_REENTRANT_API
116 /* <--- here ends the logic shared by perl.h and makedef.pl */
118 /* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
119 #if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
123 #undef START_EXTERN_C
127 # define START_EXTERN_C extern "C" {
128 # define END_EXTERN_C }
129 # define EXTERN_C extern "C"
131 # define START_EXTERN_C
132 # define END_EXTERN_C
133 # define EXTERN_C extern
136 /* Fallback definitions in case we don't have definitions from config.h.
137 This should only matter for systems that don't use Configure and
138 haven't been modified to define PERL_STATIC_INLINE yet.
140 #if !defined(PERL_STATIC_INLINE)
141 # ifdef HAS_STATIC_INLINE
142 # define PERL_STATIC_INLINE static inline
144 # define PERL_STATIC_INLINE static
148 #if defined(PERL_GLOBAL_STRUCT) && !defined(PERL_GET_VARS)
149 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
150 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
151 # define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
153 # define PERL_GET_VARS() PL_VarsPtr
157 /* this used to be off by default, now its on, see perlio.h */
158 #define PERLIO_FUNCS_CONST
160 #define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
162 #ifdef PERL_GLOBAL_STRUCT
163 # define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
168 #ifdef PERL_IMPLICIT_CONTEXT
169 # ifndef MULTIPLICITY
170 # define MULTIPLICITY
172 # define tTHX PerlInterpreter*
173 # define pTHX tTHX my_perl PERL_UNUSED_DECL
174 # define aTHX my_perl
175 # define aTHXa(a) aTHX = (tTHX)a
176 # ifdef PERL_GLOBAL_STRUCT
177 # define dTHXa(a) dVAR; pTHX = (tTHX)a
179 # define dTHXa(a) pTHX = (tTHX)a
181 # ifdef PERL_GLOBAL_STRUCT
182 # define dTHX dVAR; pTHX = PERL_GET_THX
184 # define dTHX pTHX = PERL_GET_THX
198 # if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
199 # define PERL_TRACK_MEMPOOL
202 # undef PERL_TRACK_MEMPOOL
205 #define STATIC static
208 /* Do not use these macros. They were part of PERL_OBJECT, which was an
209 * implementation of multiplicity using C++ objects. They have been left
210 * here solely for the sake of XS code which has incorrectly
213 #define CPERLscope(x) x
214 #define CPERLarg void
217 #define PERL_OBJECT_THIS
218 #define _PERL_OBJECT_THIS
219 #define PERL_OBJECT_THIS_
220 #define CALL_FPTR(fptr) (*fptr)
221 #define MEMBER_TO_FPTR(name) name
222 #endif /* !PERL_CORE */
224 #define CALLRUNOPS PL_runops
226 #define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
228 #define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
229 #define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
230 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
231 (strbeg),(minend),(sv),(data),(flags))
232 #define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
233 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
234 (strend),(flags),(data))
235 #define CALLREG_INTUIT_STRING(prog) \
236 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
238 #define CALLREGFREE(prog) \
239 Perl_pregfree(aTHX_ (prog))
241 #define CALLREGFREE_PVT(prog) \
242 if(prog) RX_ENGINE(prog)->rxfree(aTHX_ (prog))
244 #define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
245 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
247 #define CALLREG_NUMBUF_STORE(rx,paren,value) \
248 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
250 #define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
251 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
253 #define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
254 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
256 #define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
257 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
259 #define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
260 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
262 #define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
263 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
265 #define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
266 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
268 #define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
269 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
271 #define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
272 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
274 #define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
275 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
277 #define CALLREG_NAMED_BUFF_COUNT(rx) \
278 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
280 #define CALLREG_NAMED_BUFF_ALL(rx, flags) \
281 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
283 #define CALLREG_PACKAGE(rx) \
284 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
286 #if defined(USE_ITHREADS)
287 #define CALLREGDUPE(prog,param) \
288 Perl_re_dup(aTHX_ (prog),(param))
290 #define CALLREGDUPE_PVT(prog,param) \
291 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
300 * Because of backward compatibility reasons the PERL_UNUSED_DECL
301 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
303 * Note that there are C compilers such as MetroWerks CodeWarrior
304 * which do not have an "inlined" way (like the gcc __attribute__) of
305 * marking unused variables (they need e.g. a #pragma) and therefore
306 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
307 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
311 #if defined(__SYMBIAN32__) && defined(__GNUC__)
313 # define PERL_UNUSED_DECL
315 # define PERL_UNUSED_DECL __attribute__((unused))
319 #ifndef PERL_UNUSED_DECL
320 # if defined(HASATTRIBUTE_UNUSED) && (!defined(__cplusplus) || (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))
321 # define PERL_UNUSED_DECL __attribute__unused__
323 # define PERL_UNUSED_DECL
328 * for silencing unused variables that are actually used most of the time,
329 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs,
330 * or variables/arguments that are used only in certain configurations.
332 #ifndef PERL_UNUSED_ARG
333 # define PERL_UNUSED_ARG(x) ((void)sizeof(x))
335 #ifndef PERL_UNUSED_VAR
336 # define PERL_UNUSED_VAR(x) ((void)sizeof(x))
339 #if defined(USE_ITHREADS) || defined(PERL_GLOBAL_STRUCT)
340 # define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
342 # define PERL_UNUSED_CONTEXT
345 /* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
346 * g++ allows them but seems to have problems with them
347 * (insane errors ensue).
348 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
350 #if defined(PERL_GCC_PEDANTIC) || \
351 (defined(__GNUC__) && defined(__cplusplus) && \
352 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
353 # ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
354 # define PERL_GCC_BRACE_GROUPS_FORBIDDEN
358 /* Use PERL_UNUSED_RESULT() to suppress the warnings about unused results
359 * of function calls, e.g. PERL_UNUSED_RESULT(foo(a, b)).
361 * The main reason for this is that the combination of gcc -Wunused-result
362 * (part of -Wall) and the __attribute__((warn_unused_result)) cannot
363 * be silenced with casting to void. This causes trouble when the system
364 * header files use the attribute.
366 * Use PERL_UNUSED_RESULT sparingly, though, since usually the warning
367 * is there for a good reason: you might lose success/failure information,
368 * or leak resources, or changes in resources.
370 * But sometimes you just want to ignore the return value, e.g. on
371 * codepaths soon ending up in abort, or in "best effort" attempts,
372 * or in situations where there is no good way to handle failures.
374 * Sometimes PERL_UNUSED_RESULT might not be the most natural way:
375 * another possibility is that you can capture the return value
376 * and use PERL_UNUSED_VAR on that.
378 * The __typeof__() is used instead of typeof() since typeof() is not
379 * available under strict C89, and because of compilers masquerading
380 * as gcc (clang and icc), we want exactly the gcc extension
381 * __typeof__ and nothing else.
383 #ifndef PERL_UNUSED_RESULT
384 # if defined(__GNUC__) && defined(HASATTRIBUTE_WARN_UNUSED_RESULT)
385 # define PERL_UNUSED_RESULT(v) STMT_START { __typeof__(v) z = (v); (void)sizeof(z); } STMT_END
387 # define PERL_UNUSED_RESULT(v) ((void)(v))
391 /* on gcc (and clang), specify that a warning should be temporarily
394 * GCC_DIAG_IGNORE(-Wmultichar);
398 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
400 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
401 * clang only pretends to be GCC 4.2, but still supports push/pop.
403 * Note on usage: on non-gcc (or lookalike, like clang) compilers
404 * one cannot use these with a semicolon at file (global) level without
405 * warnings since they are defined as empty, which leads into the terminating
406 * semicolon being left alone on a line:
408 * which makes compilers mildly cranky. Therefore at file level one
409 * should use the GCC_DIAG_IGNORE and GCC_DIAG_RESTORE macros *without*
412 * (A dead-on-arrival solution would be to try to define the macros as
413 * NOOP or dNOOP, those don't work both inside functions and outside.)
416 #if defined(__clang__) || defined(__clang) || \
417 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
418 # define GCC_DIAG_PRAGMA(x) _Pragma (#x)
419 /* clang has "clang diagnostic" pragmas, but also understands gcc. */
420 # define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
421 GCC_DIAG_PRAGMA(GCC diagnostic ignored #x)
422 # define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
424 # define GCC_DIAG_IGNORE(w)
425 # define GCC_DIAG_RESTORE
427 /* for clang specific pragmas */
428 #if defined(__clang__) || defined(__clang)
429 # define CLANG_DIAG_PRAGMA(x) _Pragma (#x)
430 # define CLANG_DIAG_IGNORE(x) _Pragma("clang diagnostic push") \
431 CLANG_DIAG_PRAGMA(clang diagnostic ignored #x)
432 # define CLANG_DIAG_RESTORE _Pragma("clang diagnostic pop")
434 # define CLANG_DIAG_IGNORE(w)
435 # define CLANG_DIAG_RESTORE
438 #define NOOP /*EMPTY*/(void)0
439 /* cea2e8a9dd23747f accidentally lost the comment originally from the first
440 check in of thread.h, explaining why we need dNOOP at all: */
441 /* Rats: if dTHR is just blank then the subsequent ";" throws an error */
442 /* Declaring a *function*, instead of a variable, ensures that we don't rely
443 on being able to suppress "unused" warnings. */
445 #define dNOOP (void)0
447 #define dNOOP extern int Perl___notused(void)
451 /* Don't bother defining tTHX ; using it outside
452 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
458 # define aTHXa(a) NOOP
459 # define dTHXa(a) dNOOP
477 /* these are only defined for compatibility; should not be used internally */
478 #if !defined(pTHXo) && !defined(PERL_CORE)
480 # define pTHXo_ pTHX_
482 # define aTHXo_ aTHX_
484 # define dTHXoa(x) dTHXa(x)
488 # define pTHXx PerlInterpreter *my_perl
489 # define pTHXx_ pTHXx,
490 # define aTHXx my_perl
491 # define aTHXx_ aTHXx,
495 /* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
496 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
497 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
498 #ifdef PERL_IMPLICIT_SYS
499 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
500 # define dTHXs dVAR; dTHX
505 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
512 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
513 # ifndef PERL_USE_GCC_BRACE_GROUPS
514 # define PERL_USE_GCC_BRACE_GROUPS
519 * STMT_START { statements; } STMT_END;
520 * can be used as a single statement, as in
521 * if (x) STMT_START { ... } STMT_END; else ...
523 * Trying to select a version that gives no warnings...
525 #if !(defined(STMT_START) && defined(STMT_END))
526 # ifdef PERL_USE_GCC_BRACE_GROUPS
527 # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
530 # define STMT_START do
531 # define STMT_END while (0)
535 #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
536 # define BYTEORDER 0x1234
539 /* Overall memory policy? */
544 #if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
551 * The following contortions are brought to you on behalf of all the
552 * standards, semi-standards, de facto standards, not-so-de-facto standards
553 * of the world, as well as all the other botches anyone ever thought of.
554 * The basic theory is that if we work hard enough here, the rest of the
555 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
558 /* define this once if either system, instead of cluttering up the src */
559 #if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
563 #if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
564 # define STANDARD_C 1
567 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
568 # define DONT_DECLARE_STD 1
571 /* These exist only for back-compat with XS modules. */
574 #define CAN_PROTOTYPE
577 /* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
578 * you get a perl without taint support, but doubtlessly with a lesser
579 * degree of support. Do not do so unless you know exactly what it means
580 * technically, have a good reason to do so, and know exactly how the
581 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
582 * a potential security risk due to flat out ignoring the security-relevant
583 * taint flags. This being said, a perl without taint support compiled in
584 * has marginal run-time performance benefits.
585 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
586 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
587 * silently ignores -t/-T instead of throwing an exception.
589 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
590 * voids your nonexistent warranty!
592 #if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
593 # define NO_TAINT_SUPPORT 1
596 /* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
597 * operations into no-ops for a very modest speed-up. Enable only if you
598 * know what you're doing: tests and CPAN modules' tests are bound to fail.
600 #ifdef NO_TAINT_SUPPORT
602 # define TAINT_NOT NOOP
603 # define TAINT_IF(c) NOOP
604 # define TAINT_ENV() NOOP
605 # define TAINT_PROPER(s) NOOP
606 # define TAINT_set(s) NOOP
608 # define TAINTING_get 0
609 # define TAINTING_set(s) NOOP
610 # define TAINT_WARN_get 0
611 # define TAINT_WARN_set(s) NOOP
613 # define TAINT (PL_tainted = PL_tainting)
614 # define TAINT_NOT (PL_tainted = FALSE)
615 # define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = PL_tainting; }
616 # define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
617 # define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
618 # define TAINT_set(s) (PL_tainted = (s))
619 # define TAINT_get (PL_tainted)
620 # define TAINTING_get (PL_tainting)
621 # define TAINTING_set(s) (PL_tainting = (s))
622 # define TAINT_WARN_get (PL_taint_warn)
623 # define TAINT_WARN_set(s) (PL_taint_warn = (s))
626 /* flags used internally only within pp_subst and pp_substcont */
628 # define SUBST_TAINT_STR 1 /* string tainted */
629 # define SUBST_TAINT_PAT 2 /* pattern tainted */
630 # define SUBST_TAINT_REPL 4 /* replacement tainted */
631 # define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
632 # define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
635 /* XXX All process group stuff is handled in pp_sys.c. Should these
636 defines move there? If so, I could simplify this a lot. --AD 9/96.
638 /* Process group stuff changed from traditional BSD to POSIX.
639 perlfunc.pod documents the traditional BSD-style syntax, so we'll
640 try to preserve that, if possible.
643 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
644 #elif defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
645 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
646 #elif defined(HAS_SETPGRP2)
647 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
649 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
650 # define HAS_SETPGRP /* Well, effectively it does . . . */
653 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
654 our life easier :-) so we'll try it.
657 # define BSD_GETPGRP(pid) getpgid((pid))
658 #elif defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
659 # define BSD_GETPGRP(pid) getpgrp((pid))
660 #elif defined(HAS_GETPGRP2)
661 # define BSD_GETPGRP(pid) getpgrp2((pid))
663 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
664 # define HAS_GETPGRP /* Well, effectively it does . . . */
667 /* These are not exact synonyms, since setpgrp() and getpgrp() may
668 have different behaviors, but perl.h used to define USE_BSDPGRP
669 (prior to 5.003_05) so some extension might depend on it.
671 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
677 /* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
678 pthread.h must be included before all other header files.
680 #if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
681 # include <pthread.h>
684 #include <sys/types.h>
686 /* EVC 4 SDK headers includes a bad definition of MB_CUR_MAX in stdlib.h
687 which is included from stdarg.h. Bad definition not present in SD 2008
688 SDK headers. wince.h is not yet included, so we cant fix this from there
689 since by then MB_CUR_MAX will be defined from stdlib.h.
690 cewchar.h includes a correct definition of MB_CUR_MAX and it is copied here
691 since cewchar.h can't be included this early */
692 #if defined(UNDER_CE) && (_MSC_VER < 1300)
693 # define MB_CUR_MAX 1
706 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
719 # include <xlocale.h>
722 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
724 # define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
726 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
727 && defined(HAS_STRXFRM)
728 # define USE_LOCALE_COLLATE
730 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
731 # define USE_LOCALE_CTYPE
733 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
734 # define USE_LOCALE_NUMERIC
736 # if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
737 # define USE_LOCALE_MESSAGES
739 # if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
740 # define USE_LOCALE_MONETARY
742 # if !defined(NO_LOCALE_TIME) && defined(LC_TIME)
743 # define USE_LOCALE_TIME
745 #endif /* !NO_LOCALE && HAS_SETLOCALE */
750 # ifdef PARAM_NEEDS_TYPES
751 # include <sys/types.h>
753 # include <sys/param.h>
756 /* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
757 value something like 199306. This may be useful if no more-specific
758 feature test is available.
766 /* Use all the "standard" definitions */
769 /* If this causes problems, set i_unistd=undef in the hint file. */
771 # if defined(__amigaos4__)
773 # include <netinet/in.h>
777 # if defined(__amigaos4__)
778 /* Under AmigaOS 4 newlib.library provides an environ. However using
779 * it doesn't give us enough control over inheritance of variables by
780 * subshells etc. so replace with custom version based on abc-shell
782 extern char **myenviron;
784 # define environ myenviron
790 # include <sys/wait.h>
794 # undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
797 #if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
798 EXTERN_C int syscall(int, ...);
801 #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
802 EXTERN_C int usleep(unsigned int);
807 /* macros for correct constant construction */
809 # define U16_CONST(x) ((U16)x##U)
811 # define U16_CONST(x) ((U16)x##UL)
815 # define U32_CONST(x) ((U32)x##U)
817 # define U32_CONST(x) ((U32)x##UL)
822 # define U64_CONST(x) ((U64)x##U)
824 # define U64_CONST(x) ((U64)x##UL)
825 # elif QUADKIND == QUAD_IS_LONG_LONG
826 # define U64_CONST(x) ((U64)x##ULL)
827 # elif QUADKIND == QUAD_IS___INT64
828 # define U64_CONST(x) ((U64)x##UI64)
829 # else /* best guess we can make */
830 # define U64_CONST(x) ((U64)x##UL)
834 /* byte-swapping functions for big-/little-endian conversion */
835 # define _swab_16_(x) ((U16)( \
836 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
837 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
839 # define _swab_32_(x) ((U32)( \
840 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
841 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
842 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
843 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
846 # define _swab_64_(x) ((U64)( \
847 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
848 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
849 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
850 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
851 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
852 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
853 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
854 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
857 /* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
858 at least on FreeBSD. YMMV, so experiment. */
859 #ifndef PERL_ARENA_SIZE
860 #define PERL_ARENA_SIZE 4080
863 /* Maximum level of recursion */
864 #ifndef PERL_SUB_DEPTH_WARN
865 #define PERL_SUB_DEPTH_WARN 100
868 #endif /* PERL_CORE */
870 /* We no longer default to creating a new SV for GvSV.
871 Do this before embed. */
872 #ifndef PERL_CREATE_GVSV
873 # ifndef PERL_DONT_CREATE_GVSV
874 # define PERL_DONT_CREATE_GVSV
878 #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
879 #define PERL_USES_PL_PIDSTATUS
882 #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
883 #define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
886 #define MEM_SIZE Size_t
888 /* Round all values passed to malloc up, by default to a multiple of
891 #ifndef PERL_STRLEN_ROUNDUP_QUANTUM
892 #define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
895 /* sv_grow() will expand strings by at least a certain percentage of
896 the previously *used* length to avoid excessive calls to realloc().
897 The default is 25% of the current length.
899 #ifndef PERL_STRLEN_EXPAND_SHIFT
900 # define PERL_STRLEN_EXPAND_SHIFT 2
904 #define STRUCT_OFFSET(s,m) offsetof(s,m)
906 /* ptrdiff_t is C11, so undef it under pedantic builds */
907 #ifdef PERL_GCC_PEDANTIC
908 # undef HAS_PTRDIFF_T
911 #ifndef __SYMBIAN32__
912 # if defined(I_STRING) || defined(__cplusplus)
915 # include <strings.h>
919 /* This comes after <stdlib.h> so we don't try to change the standard
920 * library prototypes; we'll use our own in proto.h instead. */
923 # ifdef PERL_POLLUTE_MALLOC
924 # ifndef PERL_EXTMALLOC_DEF
925 # define Perl_malloc malloc
926 # define Perl_calloc calloc
927 # define Perl_realloc realloc
928 # define Perl_mfree free
931 # define EMBEDMYMALLOC /* for compatibility */
934 # define safemalloc Perl_malloc
935 # define safecalloc Perl_calloc
936 # define saferealloc Perl_realloc
937 # define safefree Perl_mfree
938 # define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
939 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
942 # define CHECK_MALLOC_TOO_LATE_FOR(ch) \
943 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
944 # define panic_write2(s) write(2, s, strlen(s))
945 # define CHECK_MALLOC_TAINT(newval) \
946 CHECK_MALLOC_TOO_LATE_FOR_( \
948 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
950 # define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
951 if (doing_taint(argc,argv,env)) { \
952 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
955 # define safemalloc safesysmalloc
956 # define safecalloc safesyscalloc
957 # define saferealloc safesysrealloc
958 # define safefree safesysfree
959 # define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
960 # define CHECK_MALLOC_TAINT(newval) ((void)0)
961 # define MALLOC_CHECK_TAINT(argc,argv,env)
962 #endif /* MYMALLOC */
964 /* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
965 #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)
966 #define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
967 #define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
968 #define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
975 # define memzero(d,l) memset(d,0,l)
979 # include <netinet/in.h>
983 # include <arpa/inet.h>
987 # include <sys/stat.h>
990 /* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
991 This definition should ideally go into win32/win32.h, but S_IFIFO is
992 used later here in perl.h before win32/win32.h is being included. */
993 #if !defined(S_IFIFO) && defined(_S_IFIFO)
994 # define S_IFIFO _S_IFIFO
997 /* The stat macros for Unisoft System V/88 (and derivatives
998 like UTekV) are broken, sometimes giving false positives. Undefine
999 them here and let the code below set them to proper values.
1001 The ghs macro stands for GreenHills Software C-1.8.5 which
1002 is the C compiler for sysV88 and the various derivatives.
1003 This header file bug is corrected in gcc-2.5.8 and later versions.
1004 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1006 #if defined(m88k) && defined(ghs)
1018 # ifdef I_SYS_TIME_KERNEL
1021 # include <sys/time.h>
1022 # ifdef I_SYS_TIME_KERNEL
1027 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
1028 # include <sys/times.h>
1033 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
1034 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1037 #if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1038 # include <sys/socket.h>
1039 # if defined(USE_SOCKS) && defined(I_SOCKS)
1040 # if !defined(INCLUDE_PROTOTYPES)
1041 # define INCLUDE_PROTOTYPES /* for <socks.h> */
1042 # define PERL_SOCKS_NEED_PROTOTYPES
1045 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1046 # undef INCLUDE_PROTOTYPES
1047 # undef PERL_SOCKS_NEED_PROTOTYPES
1058 # include <net/errno.h>
1063 /* sockatmark() is so new (2001) that many places might have it hidden
1064 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1065 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
1066 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
1067 # if defined(__THROW) && defined(__GLIBC__)
1068 int sockatmark(int) __THROW;
1070 int sockatmark(int);
1074 #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. */
1075 EXTERN_C int fchdir(int);
1076 EXTERN_C int flock(int, int);
1077 EXTERN_C int fseeko(FILE *, off_t, int);
1078 EXTERN_C off_t ftello(FILE *);
1081 #if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1082 EXTERN_C char *crypt(const char *, const char *);
1083 EXTERN_C char **environ;
1086 #if defined(__cplusplus)
1087 # if defined(BSDish)
1088 EXTERN_C char **environ;
1089 # elif defined(__CYGWIN__)
1090 EXTERN_C char *crypt(const char *, const char *);
1095 # undef SETERRNO /* SOCKS might have defined this */
1099 # define SETERRNO(errcode,vmserrcode) \
1101 set_errno(errcode); \
1102 set_vaxc_errno(vmserrcode); \
1104 # define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1105 # define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1106 # define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1107 # define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1109 # define LIB_INVARG LIB$_INVARG
1110 # define RMS_DIR RMS$_DIR
1111 # define RMS_FAC RMS$_FAC
1112 # define RMS_FEX RMS$_FEX
1113 # define RMS_FNF RMS$_FNF
1114 # define RMS_IFI RMS$_IFI
1115 # define RMS_ISI RMS$_ISI
1116 # define RMS_PRV RMS$_PRV
1117 # define SS_ACCVIO SS$_ACCVIO
1118 # define SS_DEVOFFLINE SS$_DEVOFFLINE
1119 # define SS_IVCHAN SS$_IVCHAN
1120 # define SS_NORMAL SS$_NORMAL
1121 # define SS_NOPRIV SS$_NOPRIV
1122 # define SS_BUFFEROVF SS$_BUFFEROVF
1124 # define LIB_INVARG 0
1132 # define SS_ACCVIO 0
1133 # define SS_DEVOFFLINE 0
1134 # define SS_IVCHAN 0
1135 # define SS_NORMAL 0
1136 # define SS_NOPRIV 0
1137 # define SS_BUFFEROVF 0
1141 # define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1142 # define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1143 # define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1144 # define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1148 # define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1149 # define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1150 # define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1151 # define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1155 # define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1159 # define dSAVEDERRNO int saved_errno
1160 # define dSAVE_ERRNO int saved_errno = errno
1161 # define SAVE_ERRNO (saved_errno = errno)
1162 # define RESTORE_ERRNO (errno = saved_errno)
1165 #define ERRSV GvSVn(PL_errgv)
1167 /* contains inlined gv_add_by_type */
1168 #define CLEAR_ERRSV() STMT_START { \
1169 SV ** const svp = &GvSV(PL_errgv); \
1171 *svp = newSVpvs(""); \
1172 } else if (SvREADONLY(*svp)) { \
1173 SvREFCNT_dec_NN(*svp); \
1174 *svp = newSVpvs(""); \
1176 SV *const errsv = *svp; \
1178 SvPOK_only(errsv); \
1179 if (SvMAGICAL(errsv)) { \
1187 # define DEFSV (0 + GvSVn(PL_defgv))
1188 # define DEFSV_set(sv) \
1189 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1190 # define SAVE_DEFSV \
1192 save_gp(PL_defgv, 0), \
1193 GvINTRO_off(PL_defgv), \
1194 SAVEGENERICSV(GvSV(PL_defgv)), \
1195 GvSV(PL_defgv) = NULL \
1198 # define DEFSV GvSVn(PL_defgv)
1199 # define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1200 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
1204 extern int errno; /* ANSI allows errno to be an lvalue expr.
1205 * For example in multithreaded environments
1206 * something like this might happen:
1207 * extern int *_errno(void);
1208 * #define errno (*_errno()) */
1211 #define UNKNOWN_ERRNO_MSG "(unknown)"
1214 #define Strerror(e) strerror((e), vaxc$errno)
1216 #define Strerror(e) strerror(e)
1221 # include <sys/ioctl.h>
1225 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
1226 # ifdef HAS_SOCKETPAIR
1227 # undef HAS_SOCKETPAIR
1234 #ifndef HAS_SOCKETPAIR
1236 # define socketpair Perl_my_socketpair
1241 # define htoni htons
1242 # define ntohi ntohs
1244 # define htoni htonl
1245 # define ntohi ntohl
1248 /* Configure already sets Direntry_t */
1249 #if defined(I_DIRENT)
1250 # include <dirent.h>
1251 #elif defined(I_SYS_NDIR)
1252 # include <sys/ndir.h>
1253 #elif defined(I_SYS_DIR)
1254 # include <sys/dir.h>
1258 * The following gobbledygook brought to you on behalf of __STDC__.
1259 * (I could just use #ifndef __STDC__, but this is more bulletproof
1260 * in the face of half-implementations.)
1263 #if defined(I_SYSMODE)
1264 #include <sys/mode.h>
1269 # define S_IFMT _S_IFMT
1271 # define S_IFMT 0170000
1276 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1280 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1285 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1287 # define S_ISBLK(m) (0)
1292 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1297 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1299 # define S_ISFIFO(m) (0)
1305 # define S_ISLNK(m) _S_ISLNK(m)
1306 # elif defined(_S_IFLNK)
1307 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1308 # elif defined(S_IFLNK)
1309 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1311 # define S_ISLNK(m) (0)
1317 # define S_ISSOCK(m) _S_ISSOCK(m)
1318 # elif defined(_S_IFSOCK)
1319 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1320 # elif defined(S_IFSOCK)
1321 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1323 # define S_ISSOCK(m) (0)
1329 # define S_IRUSR S_IREAD
1330 # define S_IWUSR S_IWRITE
1331 # define S_IXUSR S_IEXEC
1333 # define S_IRUSR 0400
1334 # define S_IWUSR 0200
1335 # define S_IXUSR 0100
1341 # define S_IRGRP (S_IRUSR>>3)
1342 # define S_IWGRP (S_IWUSR>>3)
1343 # define S_IXGRP (S_IXUSR>>3)
1345 # define S_IRGRP 0040
1346 # define S_IWGRP 0020
1347 # define S_IXGRP 0010
1353 # define S_IROTH (S_IRUSR>>6)
1354 # define S_IWOTH (S_IWUSR>>6)
1355 # define S_IXOTH (S_IXUSR>>6)
1357 # define S_IROTH 0040
1358 # define S_IWOTH 0020
1359 # define S_IXOTH 0010
1364 # define S_ISUID 04000
1368 # define S_ISGID 02000
1372 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
1376 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
1380 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
1383 /* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1384 * which would get included through <sys/file.h >, but that is 3000
1385 * lines in the future. --jhi */
1387 #if !defined(S_IREAD) && !defined(__HAIKU__)
1388 # define S_IREAD S_IRUSR
1391 #if !defined(S_IWRITE) && !defined(__HAIKU__)
1392 # define S_IWRITE S_IWUSR
1396 # define S_IEXEC S_IXUSR
1399 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
1400 # define SLOPPYDIVIDE
1407 /* This used to be conditionally defined based on whether we had a sprintf()
1408 * that correctly returns the string length (as required by C89), but we no
1409 * longer need that. XS modules can (and do) use this name, so it must remain
1410 * a part of the API that's visible to modules. But we no longer document it
1411 * either (because using sprintf() rather than snprintf() is almost always
1413 #define my_sprintf sprintf
1416 * If we have v?snprintf() and the C99 variadic macros, we can just
1417 * use just the v?snprintf(). It is nice to try to trap the buffer
1418 * overflow, however, so if we are DEBUGGING, and we cannot use the
1419 * gcc statement expressions, then use the function wrappers which try
1420 * to trap the overflow. If we can use the gcc statement expressions,
1421 * we can try that even with the version that uses the C99 variadic
1425 /* Note that we do not check against snprintf()/vsnprintf() returning
1426 * negative values because that is non-standard behaviour and we now
1427 * assume a working C89 implementation. */
1429 #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
1432 # define my_snprintf Perl_my_snprintf
1433 # define PERL_MY_SNPRINTF_GUARDED
1434 #elif defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1435 # ifdef PERL_USE_GCC_BRACE_GROUPS
1436 # define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1437 # define PERL_MY_SNPRINTF_GUARDED
1439 # define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
1442 # define my_snprintf Perl_my_snprintf
1443 # define PERL_MY_SNPRINTF_GUARDED
1446 /* There is no quadmath_vsnprintf, and therefore my_vsnprintf()
1447 * dies if called under USE_QUADMATH. */
1448 #if defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1449 # ifdef PERL_USE_GCC_BRACE_GROUPS
1450 # define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1451 # define PERL_MY_VSNPRINTF_GUARDED
1453 # define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
1456 # define my_vsnprintf Perl_my_vsnprintf
1457 # define PERL_MY_VSNPRINTF_GUARDED
1460 /* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1461 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1462 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1463 * completely ignore it: otherwise you cannot know whether your output
1466 * int len = my_sprintf(buf, max, ...);
1467 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1469 * The trick is that in certain platforms [a] the my_sprintf() already
1470 * contains the sanity check, while in certain platforms [b] it needs
1471 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1472 * platforms the POST_GUARD actually does nothing since the check has
1473 * already been done. Watch out for the max being the same in both calls.
1475 * If you actually use the snprintf/vsnprintf return value already,
1476 * you assumedly are checking its validity somehow. But you can
1477 * insert the POST_GUARD() also in that case. */
1479 #ifndef PERL_MY_SNPRINTF_GUARDED
1480 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1482 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1485 #ifndef PERL_MY_VSNPRINTF_GUARDED
1486 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1488 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1492 # define my_strlcat strlcat
1494 # define my_strlcat Perl_my_strlcat
1498 # define my_strlcpy strlcpy
1500 # define my_strlcpy Perl_my_strlcpy
1504 The IV type is supposed to be long enough to hold any integral
1506 --Andy Dougherty August 1996
1512 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
1513 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
1514 # define IV_MAX INT64_MAX
1515 # define IV_MIN INT64_MIN
1516 # define UV_MAX UINT64_MAX
1518 # define UINT64_MIN 0
1520 # define UV_MIN UINT64_MIN
1522 # define IV_MAX PERL_QUAD_MAX
1523 # define IV_MIN PERL_QUAD_MIN
1524 # define UV_MAX PERL_UQUAD_MAX
1525 # define UV_MIN PERL_UQUAD_MIN
1530 # if defined(INT32_MAX) && IVSIZE == 4
1531 # define IV_MAX INT32_MAX
1532 # define IV_MIN INT32_MIN
1533 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1534 # define UV_MAX UINT32_MAX
1536 # define UV_MAX 4294967295U
1539 # define UINT32_MIN 0
1541 # define UV_MIN UINT32_MIN
1543 # define IV_MAX PERL_LONG_MAX
1544 # define IV_MIN PERL_LONG_MIN
1545 # define UV_MAX PERL_ULONG_MAX
1546 # define UV_MIN PERL_ULONG_MIN
1557 #if !defined(PERL_CORE) || defined(USING_MSVC6)
1558 /* We think that removing this decade-old undef this will cause too much
1559 breakage on CPAN for too little gain. (See RT #119753)
1560 However, we do need HAS_QUAD in the core for use by the drand48 code,
1561 but not for Win32 VC6 because it has poor __int64 support. */
1567 #define Size_t_MAX (~(Size_t)0)
1568 #define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1)
1570 #define IV_DIG (BIT_DIGITS(IVSIZE * 8))
1571 #define UV_DIG (BIT_DIGITS(UVSIZE * 8))
1573 #ifndef NO_PERL_PRESERVE_IVUV
1574 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
1578 * The macros INT2PTR and NUM2PTR are (despite their names)
1579 * bi-directional: they will convert int/float to or from pointers.
1580 * However the conversion to int/float are named explicitly:
1581 * PTR2IV, PTR2UV, PTR2NV.
1583 * For int conversions we do not need two casts if pointers are
1584 * the same size as IV and UV. Otherwise we need an explicit
1585 * cast (PTRV) to avoid compiler warnings.
1587 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1589 # define INT2PTR(any,d) (any)(d)
1590 #elif PTRSIZE == LONGSIZE
1591 # define PTRV unsigned long
1592 # define PTR2ul(p) (unsigned long)(p)
1594 # define PTRV unsigned
1598 # define INT2PTR(any,d) (any)(PTRV)(d)
1602 # define PTR2ul(p) INT2PTR(unsigned long,p)
1605 #define NUM2PTR(any,d) (any)(PTRV)(d)
1606 #define PTR2IV(p) INT2PTR(IV,p)
1607 #define PTR2UV(p) INT2PTR(UV,p)
1608 #define PTR2NV(p) NUM2PTR(NV,p)
1609 #define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
1611 /* According to strict ANSI C89 one cannot freely cast between
1612 * data pointers and function (code) pointers. There are at least
1613 * two ways around this. One (used below) is to do two casts,
1614 * first the other pointer to an (unsigned) integer, and then
1615 * the integer to the other pointer. The other way would be
1616 * to use unions to "overlay" the pointers. For an example of
1617 * the latter technique, see union dirpu in struct xpvio in sv.h.
1618 * The only feasible use is probably temporarily storing
1619 * function pointers in a data pointer (such as a void pointer). */
1621 #define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1622 #define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
1624 #ifdef USE_LONG_DOUBLE
1625 # if LONG_DOUBLESIZE == DOUBLESIZE
1626 # define LONG_DOUBLE_EQUALS_DOUBLE
1627 # undef USE_LONG_DOUBLE /* Ouch! */
1631 /* The following is all to get LDBL_DIG, in order to pick a nice
1632 default value for printing floating point numbers in Gconvert.
1635 #ifndef HAS_LDBL_DIG
1636 # if LONG_DOUBLESIZE == 10
1637 # define LDBL_DIG 18 /* assume IEEE */
1638 # elif LONG_DOUBLESIZE == 12
1639 # define LDBL_DIG 18 /* gcc? */
1640 # elif LONG_DOUBLESIZE == 16
1641 # define LDBL_DIG 33 /* assume IEEE */
1642 # elif LONG_DOUBLESIZE == DOUBLESIZE
1643 # define LDBL_DIG DBL_DIG /* bummer */
1650 # include <ieeefp.h>
1654 /* VC6 has broken NaN semantics: NaN == NaN returns true instead of false,
1655 * and for example NaN < IV_MIN. */
1656 # define NAN_COMPARE_BROKEN
1658 #if defined(__DECC) && defined(__osf__)
1659 /* Also Tru64 cc has broken NaN comparisons. */
1660 # define NAN_COMPARE_BROKEN
1663 # define NAN_COMPARE_BROKEN
1666 #ifdef USE_LONG_DOUBLE
1668 # include <sunmath.h>
1670 # if defined(LDBL_DIG)
1671 # define NV_DIG LDBL_DIG
1672 # ifdef LDBL_MANT_DIG
1673 # define NV_MANT_DIG LDBL_MANT_DIG
1676 # define NV_MIN LDBL_MIN
1679 # define NV_MAX LDBL_MAX
1681 # ifdef LDBL_MIN_EXP
1682 # define NV_MIN_EXP LDBL_MIN_EXP
1684 # ifdef LDBL_MAX_EXP
1685 # define NV_MAX_EXP LDBL_MAX_EXP
1687 # ifdef LDBL_MIN_10_EXP
1688 # define NV_MIN_10_EXP LDBL_MIN_10_EXP
1690 # ifdef LDBL_MAX_10_EXP
1691 # define NV_MAX_10_EXP LDBL_MAX_10_EXP
1693 # ifdef LDBL_EPSILON
1694 # define NV_EPSILON LDBL_EPSILON
1697 # define NV_MAX LDBL_MAX
1698 /* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
1699 # elif defined(HUGE_VALL)
1700 # define NV_MAX HUGE_VALL
1703 # if defined(HAS_SQRTL)
1704 # define Perl_acos acosl
1705 # define Perl_asin asinl
1706 # define Perl_atan atanl
1707 # define Perl_atan2 atan2l
1708 # define Perl_ceil ceill
1709 # define Perl_cos cosl
1710 # define Perl_cosh coshl
1711 # define Perl_exp expl
1712 /* no Perl_fabs, but there's PERL_ABS */
1713 # define Perl_floor floorl
1714 # define Perl_fmod fmodl
1715 # define Perl_log logl
1716 # define Perl_log10 log10l
1717 # define Perl_pow powl
1718 # define Perl_sin sinl
1719 # define Perl_sinh sinhl
1720 # define Perl_sqrt sqrtl
1721 # define Perl_tan tanl
1722 # define Perl_tanh tanhl
1724 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1727 # define Perl_modf(x,y) modfl(x,y)
1728 /* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1729 prototype in <math.h> */
1730 # ifndef HAS_MODFL_PROTO
1731 EXTERN_C long double modfl(long double, long double *);
1733 # elif (defined(HAS_TRUNCL) || defined(HAS_AINTL)) && defined(HAS_COPYSIGNL)
1734 extern long double Perl_my_modfl(long double x, long double *ip);
1735 # define Perl_modf(x,y) Perl_my_modfl(x,y)
1740 # define Perl_frexp(x,y) frexpl(x,y)
1741 # elif defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1742 extern long double Perl_my_frexpl(long double x, int *e);
1743 # define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1748 # define Perl_ldexp(x, y) ldexpl(x,y)
1749 # elif defined(HAS_SCALBNL) && FLT_RADIX == 2
1750 # define Perl_ldexp(x,y) scalbnl(x,y)
1754 # if defined(HAS_ISNANL) && !(defined(isnan) && defined(HAS_C99))
1755 # define Perl_isnan(x) isnanl(x)
1756 # elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */
1757 # define Perl_isnan(x) isnan(x)
1761 # if defined(HAS_ISINFL) && !(defined(isinf) && defined(HAS_C99))
1762 # define Perl_isinf(x) isinfl(x)
1763 # elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */
1764 # define Perl_isinf(x) isinf(x)
1765 # elif defined(LDBL_MAX) && !defined(NAN_COMPARE_BROKEN)
1766 # define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX)
1769 # ifndef Perl_isfinite
1770 # define Perl_isfinite(x) Perl_isfinitel(x)
1772 #elif defined(USE_QUADMATH) && defined(I_QUADMATH)
1773 # include <quadmath.h>
1774 # define NV_DIG FLT128_DIG
1775 # define NV_MANT_DIG FLT128_MANT_DIG
1776 # define NV_MIN FLT128_MIN
1777 # define NV_MAX FLT128_MAX
1778 # define NV_MIN_EXP FLT128_MIN_EXP
1779 # define NV_MAX_EXP FLT128_MAX_EXP
1780 # define NV_EPSILON FLT128_EPSILON
1781 # define NV_MIN_10_EXP FLT128_MIN_10_EXP
1782 # define NV_MAX_10_EXP FLT128_MAX_10_EXP
1783 # define Perl_acos acosq
1784 # define Perl_asin asinq
1785 # define Perl_atan atanq
1786 # define Perl_atan2 atan2q
1787 # define Perl_ceil ceilq
1788 # define Perl_cos cosq
1789 # define Perl_cosh coshq
1790 # define Perl_exp expq
1791 /* no Perl_fabs, but there's PERL_ABS */
1792 # define Perl_floor floorq
1793 # define Perl_fmod fmodq
1794 # define Perl_log logq
1795 # define Perl_log10 log10q
1796 # define Perl_pow powq
1797 # define Perl_sin sinq
1798 # define Perl_sinh sinhq
1799 # define Perl_sqrt sqrtq
1800 # define Perl_tan tanq
1801 # define Perl_tanh tanhq
1802 # define Perl_modf(x,y) modfq(x,y)
1803 # define Perl_frexp(x,y) frexpq(x,y)
1804 # define Perl_ldexp(x, y) ldexpq(x,y)
1805 # define Perl_isinf(x) isinfq(x)
1806 # define Perl_isnan(x) isnanq(x)
1807 # define Perl_isfinite(x) !(isnanq(x) || isinfq(x))
1808 # define Perl_fp_class(x) ((x) == 0.0Q ? 0 : isinfq(x) ? 3 : isnanq(x) ? 4 : PERL_ABS(x) < FLT128_MIN ? 2 : 1)
1809 # define Perl_fp_class_inf(x) (Perl_fp_class(x) == 3)
1810 # define Perl_fp_class_nan(x) (Perl_fp_class(x) == 4)
1811 # define Perl_fp_class_norm(x) (Perl_fp_class(x) == 1)
1812 # define Perl_fp_class_denorm(x) (Perl_fp_class(x) == 2)
1813 # define Perl_fp_class_zero(x) (Perl_fp_class(x) == 0)
1815 # define NV_DIG DBL_DIG
1816 # define NV_MANT_DIG DBL_MANT_DIG
1817 # define NV_MIN DBL_MIN
1818 # define NV_MAX DBL_MAX
1819 # define NV_MIN_EXP DBL_MIN_EXP
1820 # define NV_MAX_EXP DBL_MAX_EXP
1821 # define NV_MIN_10_EXP DBL_MIN_10_EXP
1822 # define NV_MAX_10_EXP DBL_MAX_10_EXP
1823 # define NV_EPSILON DBL_EPSILON
1824 # define NV_MAX DBL_MAX
1825 # define NV_MIN DBL_MIN
1827 /* These math interfaces are C89. */
1828 # define Perl_acos acos
1829 # define Perl_asin asin
1830 # define Perl_atan atan
1831 # define Perl_atan2 atan2
1832 # define Perl_ceil ceil
1833 # define Perl_cos cos
1834 # define Perl_cosh cosh
1835 # define Perl_exp exp
1836 /* no Perl_fabs, but there's PERL_ABS */
1837 # define Perl_floor floor
1838 # define Perl_fmod fmod
1839 # define Perl_log log
1840 # define Perl_log10 log10
1841 # define Perl_pow pow
1842 # define Perl_sin sin
1843 # define Perl_sinh sinh
1844 # define Perl_sqrt sqrt
1845 # define Perl_tan tan
1846 # define Perl_tanh tanh
1848 # define Perl_modf(x,y) modf(x,y)
1849 # define Perl_frexp(x,y) frexp(x,y)
1850 # define Perl_ldexp(x,y) ldexp(x,y)
1854 # define Perl_isnan(x) isnan(x)
1858 # if defined(HAS_ISINF)
1859 # define Perl_isinf(x) isinf(x)
1860 # elif defined(DBL_MAX) && !defined(NAN_COMPARE_BROKEN)
1861 # define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX)
1864 # ifndef Perl_isfinite
1865 # ifdef HAS_ISFINITE
1866 # define Perl_isfinite(x) isfinite(x)
1867 # elif defined(HAS_FINITE)
1868 # define Perl_isfinite(x) finite(x)
1873 /* fpclassify(): C99. It is supposed to be a macro that switches on
1874 * the sizeof() of its argument, so there's no need for e.g. fpclassifyl().*/
1875 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1877 # if defined(FP_INFINITE) && defined(FP_NAN)
1878 # define Perl_fp_class(x) fpclassify(x)
1879 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
1880 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
1881 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
1882 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
1883 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
1884 # elif defined(FP_PLUS_INF) && defined(FP_QNAN)
1885 /* Some versions of HP-UX (10.20) have (only) fpclassify() but which is
1886 * actually not the C99 fpclassify, with its own set of return defines. */
1887 # define Perl_fp_class(x) fpclassify(x)
1888 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1889 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1890 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
1891 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
1892 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1893 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1894 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1895 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1896 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1897 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1899 # undef Perl_fp_class /* Unknown set of defines */
1903 /* fp_classify(): Legacy: VMS, maybe Unicos? The values, however,
1904 * are identical to the C99 fpclassify(). */
1905 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASSIFY)
1908 /* FP_INFINITE and others are here rather than in math.h as C99 stipulates */
1910 /* oh, and the isnormal macro has a typo in it! */
1912 # define isnormal(x) Perl_fp_class_norm(x)
1914 # if defined(FP_INFINITE) && defined(FP_NAN)
1915 # define Perl_fp_class(x) fp_classify(x)
1916 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
1917 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
1918 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
1919 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
1920 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
1922 # undef Perl_fp_class /* Unknown set of defines */
1926 /* Feel free to check with me for the SGI manpages, SGI testing,
1927 * etcetera, if you want to try getting this to work with IRIX.
1929 * - Allen <allens@cpan.org> */
1931 /* fpclass(): SysV, at least Solaris and some versions of IRIX. */
1932 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1933 /* Solaris and IRIX have fpclass/fpclassl, but they are using
1934 * an enum typedef, not cpp symbols, and Configure doesn't detect that.
1935 * Define some symbols also as cpp symbols so we can detect them. */
1936 # if defined(__sun) || defined(__sgi) /* XXX Configure test instead */
1937 # define FP_PINF FP_PINF
1938 # define FP_QNAN FP_QNAN
1942 # include <ieeefp.h>
1947 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1948 # define Perl_fp_class(x) fpclassl(x)
1950 # define Perl_fp_class(x) fpclass(x)
1952 # if defined(FP_CLASS_PINF) && defined(FP_CLASS_SNAN)
1953 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1954 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1955 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1956 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1957 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1958 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1959 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1960 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1961 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1962 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1963 # elif defined(FP_PINF) && defined(FP_QNAN)
1964 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
1965 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
1966 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NINF)
1967 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PINF)
1968 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NNORM)
1969 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PNORM)
1970 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NDENORM)
1971 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PDENORM)
1972 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NZERO)
1973 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PZERO)
1975 # undef Perl_fp_class /* Unknown set of defines */
1979 /* fp_class(): Legacy: at least Tru64, some versions of IRIX. */
1980 #if !defined(Perl_fp_class) && (defined(HAS_FP_CLASS)||defined(HAS_FP_CLASSL))
1982 # if !defined(FP_SNAN) && defined(I_FP_CLASS)
1983 # include <fp_class.h>
1985 # if defined(FP_POS_INF) && defined(FP_QNAN)
1986 # ifdef __sgi /* XXX Configure test instead */
1987 # ifdef USE_LONG_DOUBLE
1988 # define Perl_fp_class(x) fp_class_l(x)
1990 # define Perl_fp_class(x) fp_class_d(x)
1993 # if defined(USE_LONG_DOUBLE) && defined(HAS_FP_CLASSL)
1994 # define Perl_fp_class(x) fp_classl(x)
1996 # define Perl_fp_class(x) fp_class(x)
1999 # if defined(FP_POS_INF) && defined(FP_QNAN)
2000 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2001 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2002 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NEG_INF)
2003 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_POS_INF)
2004 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NEG_NORM)
2005 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_POS_NORM)
2006 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NEG_DENORM)
2007 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_POS_DENORM)
2008 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NEG_ZERO)
2009 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_POS_ZERO)
2011 # undef Perl_fp_class /* Unknown set of defines */
2016 /* class(), _class(): Legacy: AIX. */
2017 #if !defined(Perl_fp_class) && defined(HAS_CLASS)
2019 # if defined(FP_PLUS_NORM) && defined(FP_PLUS_INF)
2021 # define Perl_fp_class(x) class(x)
2023 # define Perl_fp_class(x) _class(x)
2025 # if defined(FP_PLUS_INF) && defined(FP_NANQ)
2026 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2027 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2028 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2029 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2030 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2031 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2032 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2033 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2034 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2035 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2037 # undef Perl_fp_class /* Unknown set of defines */
2042 /* Win32: _fpclass(), _isnan(), _finite(). */
2045 # define Perl_isnan(x) _isnan(x)
2047 # ifndef Perl_isfinite
2048 # define Perl_isfinite(x) _finite(x)
2050 # ifndef Perl_fp_class_snan
2051 /* No simple way to #define Perl_fp_class because _fpclass()
2052 * returns a set of bits. */
2053 # define Perl_fp_class_snan(x) (_fpclass(x) & _FPCLASS_SNAN)
2054 # define Perl_fp_class_qnan(x) (_fpclass(x) & _FPCLASS_QNAN)
2055 # define Perl_fp_class_nan(x) (_fpclass(x) & (_FPCLASS_SNAN|_FPCLASS_QNAN))
2056 # define Perl_fp_class_ninf(x) (_fpclass(x) & _FPCLASS_NINF))
2057 # define Perl_fp_class_pinf(x) (_fpclass(x) & _FPCLASS_PINF))
2058 # define Perl_fp_class_inf(x) (_fpclass(x) & (_FPCLASS_NINF|_FPCLASS_PINF))
2059 # define Perl_fp_class_nnorm(x) (_fpclass(x) & _FPCLASS_NN)
2060 # define Perl_fp_class_pnorm(x) (_fpclass(x) & _FPCLASS_PN)
2061 # define Perl_fp_class_norm(x) (_fpclass(x) & (_FPCLASS_NN|_FPCLASS_PN))
2062 # define Perl_fp_class_ndenorm(x) (_fpclass(x) & _FPCLASS_ND)
2063 # define Perl_fp_class_pdenorm(x) (_fpclass(x) & _FPCLASS_PD)
2064 # define Perl_fp_class_denorm(x) (_fpclass(x) & (_FPCLASS_ND|_FPCLASS_PD))
2065 # define Perl_fp_class_nzero(x) (_fpclass(x) & _FPCLASS_NZ)
2066 # define Perl_fp_class_pzero(x) (_fpclass(x) & _FPCLASS_PZ)
2067 # define Perl_fp_class_zero(x) (_fpclass(x) & (_FPCLASS_NZ|_FPCLASS_PZ))
2071 #if !defined(Perl_fp_class_inf) && \
2072 defined(Perl_fp_class_pinf) && defined(Perl_fp_class_ninf)
2073 # define Perl_fp_class_inf(x) \
2074 (Perl_fp_class_pinf(x) || Perl_fp_class_ninf(x))
2077 #if !defined(Perl_fp_class_nan) && \
2078 defined(Perl_fp_class_snan) && defined(Perl_fp_class_qnan)
2079 # define Perl_fp_class_nan(x) \
2080 (Perl_fp_class_snan(x) || Perl_fp_class_qnan(x))
2083 #if !defined(Perl_fp_class_zero) && \
2084 defined(Perl_fp_class_pzero) && defined(Perl_fp_class_nzero)
2085 # define Perl_fp_class_zero(x) \
2086 (Perl_fp_class_pzero(x) || Perl_fp_class_nzero(x))
2089 #if !defined(Perl_fp_class_norm) && \
2090 defined(Perl_fp_class_pnorm) && defined(Perl_fp_class_nnorm)
2091 # define Perl_fp_class_norm(x) \
2092 (Perl_fp_class_pnorm(x) || Perl_fp_class_nnorm(x))
2095 #if !defined(Perl_fp_class_denorm) && \
2096 defined(Perl_fp_class_pdenorm) && defined(Perl_fp_class_ndenorm)
2097 # define Perl_fp_class_denorm(x) \
2098 (Perl_fp_class_pdenorm(x) || Perl_fp_class_ndenorm(x))
2102 int isnan(double d);
2106 # ifdef Perl_fp_class_nan
2107 # define Perl_isnan(x) Perl_fp_class_nan(x)
2108 # elif defined(HAS_UNORDERED)
2109 # define Perl_isnan(x) unordered((x), 0.0)
2111 # define Perl_isnan(x) ((x)!=(x))
2116 # ifdef Perl_fp_class_inf
2117 # define Perl_isinf(x) Perl_fp_class_inf(x)
2121 #ifndef Perl_isfinite
2122 # if defined(HAS_ISFINITE) && !defined(isfinite)
2123 # define Perl_isfinite(x) isfinite((double)(x))
2124 # elif defined(HAS_FINITE)
2125 # define Perl_isfinite(x) finite((double)(x))
2126 # elif defined(Perl_fp_class_finite)
2127 # define Perl_isfinite(x) Perl_fp_class_finite(x)
2129 /* For the infinities the multiplication returns nan,
2130 * for the nan the multiplication also returns nan,
2131 * for everything else (that is, finite) zero should be returned. */
2132 # define Perl_isfinite(x) (((x) * 0) == 0)
2137 # if defined(Perl_isfinite) && defined(Perl_isnan)
2138 # define Perl_isinf(x) !(Perl_isfinite(x)||Perl_isnan(x))
2142 /* We need Perl_isfinitel (ends with ell) (if available) even when
2143 * not USE_LONG_DOUBLE because the printf code (sv_catpvfn_flags)
2145 #if defined(HAS_LONG_DOUBLE) && !defined(Perl_isfinitel)
2146 /* If isfinite() is a macro and looks like we have C99,
2147 * we assume it's the type-aware C99 isfinite(). */
2148 # if defined(HAS_ISFINITE) && defined(isfinite) && defined(HAS_C99)
2149 # define Perl_isfinitel(x) isfinite(x)
2150 # elif defined(HAS_ISFINITEL)
2151 # define Perl_isfinitel(x) isfinitel(x)
2152 # elif defined(HAS_FINITEL)
2153 # define Perl_isfinitel(x) finitel(x)
2154 # elif defined(HAS_INFL) && defined(HAS_NANL)
2155 # define Perl_isfinitel(x) !(isinfl(x)||isnanl(x))
2157 # define Perl_isfinitel(x) ((x) * 0 == 0) /* See Perl_isfinite. */
2161 /* The default is to use Perl's own atof() implementation (in numeric.c).
2162 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2163 * it is however best to use the native implementation of atof.
2164 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2165 * Some good tests to try out with either setting are t/base/num.t,
2166 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2167 * you may need to be using a different function than atof! */
2169 #ifndef USE_PERL_ATOF
2171 # define USE_PERL_ATOF
2174 # if USE_PERL_ATOF == 0
2175 # undef USE_PERL_ATOF
2179 #ifdef USE_PERL_ATOF
2180 # define Perl_atof(s) Perl_my_atof(s)
2181 # define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2183 # define Perl_atof(s) (NV)atof(s)
2184 # define Perl_atof2(s, n) ((n) = atof(s))
2188 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2189 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2190 * depending on local options. Until Configure detects this (or at least
2191 * detects whether the "signed" keyword is available) the CHAR ranges
2192 * will not be included. UCHAR functions normally.
2196 #define PERL_UCHAR_MIN ((unsigned char)0)
2197 #define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
2199 #define PERL_USHORT_MIN ((unsigned short)0)
2200 #define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2202 #define PERL_SHORT_MAX ((short)SHRT_MAX)
2203 #define PERL_SHORT_MIN ((short)SHRT_MIN)
2205 #define PERL_UINT_MAX ((unsigned int)UINT_MAX)
2206 #define PERL_UINT_MIN ((unsigned int)0)
2208 #define PERL_INT_MAX ((int)INT_MAX)
2209 #define PERL_INT_MIN ((int)INT_MIN)
2211 #define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
2212 #define PERL_ULONG_MIN ((unsigned long)0L)
2214 #define PERL_LONG_MAX ((long)LONG_MAX)
2215 #define PERL_LONG_MIN ((long)LONG_MIN)
2218 # define PERL_UQUAD_MAX (~(UV)0)
2219 # define PERL_UQUAD_MIN ((UV)0)
2220 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
2221 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
2224 typedef MEM_SIZE STRLEN;
2226 typedef struct op OP;
2227 typedef struct cop COP;
2228 typedef struct unop UNOP;
2229 typedef struct unop_aux UNOP_AUX;
2230 typedef struct binop BINOP;
2231 typedef struct listop LISTOP;
2232 typedef struct logop LOGOP;
2233 typedef struct pmop PMOP;
2234 typedef struct svop SVOP;
2235 typedef struct padop PADOP;
2236 typedef struct pvop PVOP;
2237 typedef struct loop LOOP;
2238 typedef struct methop METHOP;
2241 typedef struct opslab OPSLAB;
2242 typedef struct opslot OPSLOT;
2245 typedef struct block_hooks BHK;
2246 typedef struct custom_op XOP;
2248 typedef struct interpreter PerlInterpreter;
2250 /* SGI's <sys/sema.h> has struct sv */
2252 # define STRUCT_SV perl_sv
2254 # define STRUCT_SV sv
2256 typedef struct STRUCT_SV SV;
2257 typedef struct av AV;
2258 typedef struct hv HV;
2259 typedef struct cv CV;
2260 typedef struct p5rx REGEXP;
2261 typedef struct gp GP;
2262 typedef struct gv GV;
2263 typedef struct io IO;
2264 typedef struct context PERL_CONTEXT;
2265 typedef struct block BLOCK;
2267 typedef struct magic MAGIC;
2268 typedef struct xpv XPV;
2269 typedef struct xpviv XPVIV;
2270 typedef struct xpvuv XPVUV;
2271 typedef struct xpvnv XPVNV;
2272 typedef struct xpvmg XPVMG;
2273 typedef struct xpvlv XPVLV;
2274 typedef struct xpvinvlist XINVLIST;
2275 typedef struct xpvav XPVAV;
2276 typedef struct xpvhv XPVHV;
2277 typedef struct xpvgv XPVGV;
2278 typedef struct xpvcv XPVCV;
2279 typedef struct xpvbm XPVBM;
2280 typedef struct xpvfm XPVFM;
2281 typedef struct xpvio XPVIO;
2282 typedef struct mgvtbl MGVTBL;
2283 typedef union any ANY;
2284 typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2285 typedef struct ptr_tbl PTR_TBL_t;
2286 typedef struct clone_params CLONE_PARAMS;
2288 /* a pad is currently just an AV; but that might change,
2289 * so hide the type. */
2290 typedef struct padlist PADLIST;
2292 typedef struct padnamelist PADNAMELIST;
2293 typedef struct padname PADNAME;
2295 /* enable PERL_OP_PARENT by default */
2296 #if !defined(PERL_OP_PARENT) && !defined(PERL_NO_OP_PARENT)
2297 # define PERL_OP_PARENT
2300 /* enable PERL_COPY_ON_WRITE by default */
2301 #if !defined(PERL_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2302 # define PERL_COPY_ON_WRITE
2305 #ifdef PERL_COPY_ON_WRITE
2306 # define PERL_ANY_COW
2308 # define PERL_SAWAMPERSAND
2311 #if defined(PERL_DEBUG_READONLY_OPS) && !defined(USE_ITHREADS)
2312 # error PERL_DEBUG_READONLY_OPS only works with ithreads
2316 #include "charclass_invlists.h"
2318 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
2319 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2320 # define USE_64_BIT_RAWIO /* implicit */
2324 /* Notice the use of HAS_FSEEKO: now we are obligated to always use
2325 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2326 * however, because operating systems like to do that themself. */
2329 # define FSEEKSIZE LSEEKSIZE
2331 # define FSEEKSIZE LONGSIZE
2335 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
2336 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2337 # define USE_64_BIT_STDIO /* implicit */
2341 #ifdef USE_64_BIT_RAWIO
2344 # define Off_t off64_t
2346 # define LSEEKSIZE 8
2348 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2349 * will trigger defines like the ones below. Some 64-bit environments,
2350 * however, do not. Therefore we have to explicitly mix and match. */
2351 # if defined(USE_OPEN64)
2352 # define open open64
2354 # if defined(USE_LSEEK64)
2355 # define lseek lseek64
2357 # if defined(USE_LLSEEK)
2358 # define lseek llseek
2361 # if defined(USE_STAT64)
2362 # define stat stat64
2364 # if defined(USE_FSTAT64)
2365 # define fstat fstat64
2367 # if defined(USE_LSTAT64)
2368 # define lstat lstat64
2370 # if defined(USE_FLOCK64)
2371 # define flock flock64
2373 # if defined(USE_LOCKF64)
2374 # define lockf lockf64
2376 # if defined(USE_FCNTL64)
2377 # define fcntl fcntl64
2379 # if defined(USE_TRUNCATE64)
2380 # define truncate truncate64
2382 # if defined(USE_FTRUNCATE64)
2383 # define ftruncate ftruncate64
2387 #ifdef USE_64_BIT_STDIO
2388 # ifdef HAS_FPOS64_T
2390 # define Fpos_t fpos64_t
2392 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2393 * will trigger defines like the ones below. Some 64-bit environments,
2394 * however, do not. */
2395 # if defined(USE_FOPEN64)
2396 # define fopen fopen64
2398 # if defined(USE_FSEEK64)
2399 # define fseek fseek64 /* don't do fseeko here, see perlio.c */
2401 # if defined(USE_FTELL64)
2402 # define ftell ftell64 /* don't do ftello here, see perlio.c */
2404 # if defined(USE_FSETPOS64)
2405 # define fsetpos fsetpos64
2407 # if defined(USE_FGETPOS64)
2408 # define fgetpos fgetpos64
2410 # if defined(USE_TMPFILE64)
2411 # define tmpfile tmpfile64
2413 # if defined(USE_FREOPEN64)
2414 # define freopen freopen64
2419 # include "iperlsys.h"
2424 # include "os2ish.h"
2426 # include "dosish.h"
2429 # include "vmsish.h"
2430 #elif defined(PLAN9)
2431 # include "./plan9/plan9ish.h"
2432 #elif defined(__VOS__)
2434 # include "./vos/vosish.h"
2436 # include "vos/vosish.h"
2438 #elif defined(__SYMBIAN32__)
2439 # include "symbian/symbianish.h"
2440 #elif defined(__HAIKU__)
2441 # include "haiku/haikuish.h"
2443 # include "unixish.h"
2447 # include "amigaos.h"
2448 # undef FD_CLOEXEC /* a lie in AmigaOS */
2451 /* NSIG logic from Configure --> */
2454 # define NSIG (_NSIG)
2455 # elif defined(SIGMAX)
2456 # define NSIG (SIGMAX+1)
2457 # elif defined(SIG_MAX)
2458 # define NSIG (SIG_MAX+1)
2459 # elif defined(_SIG_MAX)
2460 # define NSIG (_SIG_MAX+1)
2461 # elif defined(MAXSIG)
2462 # define NSIG (MAXSIG+1)
2463 # elif defined(MAX_SIG)
2464 # define NSIG (MAX_SIG+1)
2465 # elif defined(SIGARRAYSIZE)
2466 # define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2467 # elif defined(_sys_nsig)
2468 # define NSIG (_sys_nsig) /* Solaris 2.5 */
2470 /* Default to some arbitrary number that's big enough to get most
2471 * of the common signals. */
2475 /* <-- NSIG logic from Configure */
2477 #ifndef NO_ENVIRON_ARRAY
2478 # define USE_ENVIRON_ARRAY
2482 * initialise to avoid floating-point exceptions from overflow, etc
2484 #ifndef PERL_FPU_INIT
2485 # ifdef HAS_FPSETMASK
2486 # if HAS_FLOATINGPOINT_H
2487 # include <floatingpoint.h>
2489 /* Some operating systems have this as a macro, which in turn expands to a comma
2490 expression, and the last sub-expression is something that gets calculated,
2491 and then they have the gall to warn that a value computed is not used. Hence
2493 # define PERL_FPU_INIT (void)fpsetmask(0)
2494 # elif defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
2495 # define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
2496 # define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2497 # define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
2499 # define PERL_FPU_INIT
2502 #ifndef PERL_FPU_PRE_EXEC
2503 # define PERL_FPU_PRE_EXEC {
2504 # define PERL_FPU_POST_EXEC }
2507 /* In Tru64 the cc -ieee enables the IEEE math but disables traps.
2508 * We need to reenable the "invalid" trap because otherwise generation
2509 * of NaN values leaves the IEEE fp flags in bad state, leaving any further
2510 * fp ops behaving strangely (Inf + 1 resulting in zero, for example). */
2512 # include <machine/fpu.h>
2513 # define PERL_SYS_FPU_INIT \
2515 ieee_set_fp_control(IEEE_TRAP_ENABLE_INV); \
2516 signal(SIGFPE, SIG_IGN); \
2519 /* In IRIX the default for Flush to Zero bit is true,
2520 * which means that results going below the minimum of normal
2521 * floating points go to zero, instead of going denormal/subnormal.
2522 * This is unlike almost any other system running Perl, so let's clear it.
2523 * [perl #123767] IRIX64 blead (ddce084a) opbasic/arith.t failure, originally
2524 * [perl #120426] small numbers shouldn't round to zero if they have extra floating digits
2526 * XXX The flush-to-zero behaviour should be a Configure scan.
2527 * To change the behaviour usually requires some system-specific
2528 * incantation, though, like the below. */
2530 # include <sys/fpu.h>
2531 # define PERL_SYS_FPU_INIT \
2533 union fpc_csr csr; \
2534 csr.fc_word = get_fpc_csr(); \
2535 csr.fc_struct.flush = 0; \
2536 set_fpc_csr(csr.fc_word); \
2540 #ifndef PERL_SYS_FPU_INIT
2541 # define PERL_SYS_FPU_INIT NOOP
2544 #ifndef PERL_SYS_INIT3_BODY
2545 # define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
2549 =head1 Miscellaneous Functions
2551 =for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
2552 Provides system-specific tune up of the C runtime environment necessary to
2553 run Perl interpreters. This should be called only once, before creating
2554 any Perl interpreters.
2556 =for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
2557 Provides system-specific tune up of the C runtime environment necessary to
2558 run Perl interpreters. This should be called only once, before creating
2559 any Perl interpreters.
2561 =for apidoc Am|void|PERL_SYS_TERM|
2562 Provides system-specific clean up of the C runtime environment after
2563 running Perl interpreters. This should be called only once, after
2564 freeing any remaining Perl interpreters.
2569 #define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2570 #define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
2571 #define PERL_SYS_TERM() Perl_sys_term()
2573 #ifndef PERL_WRITE_MSG_TO_CONSOLE
2574 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2579 # ifdef _POSIX_PATH_MAX
2580 # if PATH_MAX > _POSIX_PATH_MAX
2581 /* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2582 * included the null byte or not. Later amendments of POSIX,
2583 * XPG4, the Austin Group, and the Single UNIX Specification
2584 * all explicitly include the null byte in the PATH_MAX.
2585 * Ditto for _POSIX_PATH_MAX. */
2586 # define MAXPATHLEN PATH_MAX
2588 # define MAXPATHLEN _POSIX_PATH_MAX
2591 # define MAXPATHLEN (PATH_MAX+1)
2594 # define MAXPATHLEN 1024 /* Err on the large side. */
2598 /* In case Configure was not used (we are using a "canned config"
2599 * such as Win32, or a cross-compilation setup, for example) try going
2600 * by the gcc major and minor versions. One useful URL is
2601 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2602 * but contrary to this information warn_unused_result seems
2603 * not to be in gcc 3.3.5, at least. --jhi
2604 * Also, when building extensions with an installed perl, this allows
2605 * the user to upgrade gcc and get the right attributes, rather than
2606 * relying on the list generated at Configure time. --AD
2607 * Set these up now otherwise we get confused when some of the <*thread.h>
2608 * includes below indirectly pull in <perlio.h> (which needs to know if we
2609 * have HASATTRIBUTE_FORMAT).
2613 #if defined __GNUC__ && !defined(__INTEL_COMPILER)
2614 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2615 # define HASATTRIBUTE_DEPRECATED
2617 # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2618 # define HASATTRIBUTE_FORMAT
2619 # if defined __MINGW32__
2620 # define PRINTF_FORMAT_NULL_OK
2623 # if __GNUC__ >= 3 /* 3.0 -> */
2624 # define HASATTRIBUTE_MALLOC
2626 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2627 # define HASATTRIBUTE_NONNULL
2629 # if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2630 # define HASATTRIBUTE_NORETURN
2632 # if __GNUC__ >= 3 /* gcc 3.0 -> */
2633 # define HASATTRIBUTE_PURE
2635 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2636 # define HASATTRIBUTE_UNUSED
2638 # if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2639 # define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2641 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2642 # define HASATTRIBUTE_WARN_UNUSED_RESULT
2645 #endif /* #ifndef PERL_MICRO */
2647 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
2648 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
2649 * this results in many functions being undeclared which bothers C++
2650 * May make sense to have threads after "*ish.h" anyway
2653 /* clang Thread Safety Analysis/Annotations/Attributes
2654 * http://clang.llvm.org/docs/ThreadSafetyAnalysis.html
2656 * Available since clang 3.6-ish (appeared in 3.4, but shaky still in 3.5).
2657 * Apple XCode hijacks __clang_major__ and __clang_minor__
2658 * (6.1 means really clang 3.6), so needs extra hijinks
2659 * (could probably also test the contents of __apple_build_version__).
2661 #if defined(USE_ITHREADS) && defined(I_PTHREAD) && \
2662 defined(__clang__) && \
2663 !defined(PERL_GLOBAL_STRUCT) && \
2664 !defined(PERL_GLOBAL_STRUCT_PRIVATE) && \
2666 ((!defined(__apple_build_version__) && \
2667 ((__clang_major__ == 3 && __clang_minor__ >= 6) || \
2668 (__clang_major__ >= 4))) || \
2669 (defined(__apple_build_version__) && \
2670 ((__clang_major__ == 6 && __clang_minor__ >= 1) || \
2671 (__clang_major__ >= 7))))
2672 # define PERL_TSA__(x) __attribute__((x))
2673 # define PERL_TSA_ACTIVE
2675 # define PERL_TSA__(x) /* No TSA, make TSA attributes no-ops. */
2676 # undef PERL_TSA_ACTIVE
2679 /* PERL_TSA_CAPABILITY() is used to annotate typedefs.
2680 * typedef old_type PERL_TSA_CAPABILITY("mutex") new_type;
2682 #define PERL_TSA_CAPABILITY(x) \
2683 PERL_TSA__(capability(x))
2685 /* In the below examples the mutex must be lexically visible, usually
2686 * either as global variables, or as function arguments. */
2688 /* PERL_TSA_GUARDED_BY() is used to annotate global variables.
2690 * Foo foo PERL_TSA_GUARDED_BY(mutex);
2692 #define PERL_TSA_GUARDED_BY(x) \
2693 PERL_TSA__(guarded_by(x))
2695 /* PERL_TSA_PT_GUARDED_BY() is used to annotate global pointers.
2696 * The data _behind_ the pointer is guarded.
2698 * Foo* ptr PERL_TSA_PT_GUARDED_BY(mutex);
2700 #define PERL_TSA_PT_GUARDED_BY(x) \
2701 PERL_TSA__(pt_guarded_by(x))
2703 /* PERL_TSA_REQUIRES() is used to annotate functions.
2704 * The caller MUST hold the resource when calling the function.
2706 * void Foo() PERL_TSA_REQUIRES(mutex);
2708 #define PERL_TSA_REQUIRES(x) \
2709 PERL_TSA__(requires_capability(x))
2711 /* PERL_TSA_EXCLUDES() is used to annotate functions.
2712 * The caller MUST NOT hold resource when calling the function.
2714 * EXCLUDES should be used when the function first acquires
2715 * the resource and then releases it. Use to avoid deadlock.
2717 * void Foo() PERL_TSA_EXCLUDES(mutex);
2719 #define PERL_TSA_EXCLUDES(x) \
2720 PERL_TSA__(locks_excluded(x))
2722 /* PERL_TSA_ACQUIRE() is used to annotate functions.
2723 * The caller MUST NOT hold the resource when calling the function,
2724 * and the function will acquire the resource.
2726 * void Foo() PERL_TSA_ACQUIRE(mutex);
2728 #define PERL_TSA_ACQUIRE(x) \
2729 PERL_TSA__(acquire_capability(x))
2731 /* PERL_TSA_RELEASE() is used to annotate functions.
2732 * The caller MUST hold the resource when calling the function,
2733 * and the function will release the resource.
2735 * void Foo() PERL_TSA_RELEASE(mutex);
2737 #define PERL_TSA_RELEASE(x) \
2738 PERL_TSA__(release_capability(x))
2740 /* PERL_TSA_NO_TSA is used to annotate functions.
2741 * Used when being intentionally unsafe, or when the code is too
2742 * complicated for the analysis. Use sparingly.
2744 * void Foo() PERL_TSA_NO_TSA;
2746 #define PERL_TSA_NO_TSA \
2747 PERL_TSA__(no_thread_safety_analysis)
2749 /* There are more annotations/attributes available, see the clang
2750 * documentation for details. */
2752 #if defined(USE_ITHREADS)
2754 # include <nw5thread.h>
2755 # elif defined(WIN32)
2756 # include <win32thread.h>
2758 # include "os2thread.h"
2759 # elif defined(I_MACH_CTHREADS)
2760 # include <mach/cthreads.h>
2761 typedef cthread_t perl_os_thread;
2762 typedef mutex_t perl_mutex;
2763 typedef condition_t perl_cond;
2764 typedef void * perl_key;
2765 # elif defined(I_PTHREAD) /* Posix threads */
2766 # include <pthread.h>
2767 typedef pthread_t perl_os_thread;
2768 typedef pthread_mutex_t PERL_TSA_CAPABILITY("mutex") perl_mutex;
2769 typedef pthread_cond_t perl_cond;
2770 typedef pthread_key_t perl_key;
2772 #endif /* USE_ITHREADS */
2774 #ifdef PERL_TSA_ACTIVE
2775 /* Since most pthread mutex interfaces have not been annotated, we
2776 * need to have these wrappers. The NO_TSA annotation is quite ugly
2777 * but it cannot be avoided in plain C, unlike in C++, where one could
2778 * e.g. use ACQUIRE() with no arg on a mutex lock method.
2780 * The bodies of these wrappers are in util.c
2782 * TODO: however, some platforms are starting to get these clang
2783 * thread safety annotations for pthreads, for example FreeBSD.
2784 * Do we need a way to a bypass these wrappers? */
2785 EXTERN_C int perl_tsa_mutex_lock(perl_mutex* mutex)
2786 PERL_TSA_ACQUIRE(*mutex)
2788 EXTERN_C int perl_tsa_mutex_unlock(perl_mutex* mutex)
2789 PERL_TSA_RELEASE(*mutex)
2798 # include "netware.h"
2801 #define STATUS_UNIX PL_statusvalue
2803 # define STATUS_NATIVE PL_statusvalue_vms
2805 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
2806 * its contents can not be trusted. Unfortunately, Perl seems to check
2807 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2810 # include <stsdef.h>
2812 /* Presume this because if VMS changes it, it will require a new
2813 * set of APIs for waiting on children for binary compatibility.
2815 # define child_offset_bits (8)
2816 # ifndef C_FAC_POSIX
2817 # define C_FAC_POSIX 0x35A000
2820 /* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2821 * platform from the existing UNIX or Native status values.
2824 # define STATUS_EXIT \
2825 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2826 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2829 /* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2830 * exit code and shifts the UNIX value over the correct number of bits to
2831 * be a child status. Usually the number of bits is 8, but that could be
2832 * platform dependent. The NATIVE status code is presumed to have either
2833 * from a child process.
2836 /* This is complicated. The child processes return a true native VMS
2837 status which must be saved. But there is an assumption in Perl that
2838 the UNIX child status has some relationship to errno values, so
2839 Perl tries to translate it to text in some of the tests.
2840 In order to get the string translation correct, for the error, errno
2841 must be EVMSERR, but that generates a different text message
2842 than what the test programs are expecting. So an errno value must
2843 be derived from the native status value when an error occurs.
2844 That will hide the true native status message. With this version of
2845 perl, the true native child status can always be retrieved so that
2846 is not a problem. But in this case, Pl_statusvalue and errno may
2847 have different values in them.
2850 # define STATUS_NATIVE_CHILD_SET(n) \
2852 I32 evalue = (I32)n; \
2853 if (evalue == EVMSERR) { \
2854 PL_statusvalue_vms = vaxc$errno; \
2855 PL_statusvalue = evalue; \
2857 PL_statusvalue_vms = evalue; \
2858 if (evalue == -1) { \
2859 PL_statusvalue = -1; \
2860 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2862 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2863 set_vaxc_errno(evalue); \
2864 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2865 set_errno(EVMSERR); \
2866 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2867 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2871 # ifdef VMSISH_STATUS
2872 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
2874 # define STATUS_CURRENT STATUS_UNIX
2877 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2878 * the NATIVE status to an equivalent value. Can not be used to translate
2879 * exit code values as exit code values are not guaranteed to have any
2880 * relationship at all to errno values.
2881 * This is used when Perl is forcing errno to have a specific value.
2883 # define STATUS_UNIX_SET(n) \
2885 I32 evalue = (I32)n; \
2886 PL_statusvalue = evalue; \
2887 if (PL_statusvalue != -1) { \
2888 if (PL_statusvalue != EVMSERR) { \
2889 PL_statusvalue &= 0xFFFF; \
2890 if (MY_POSIX_EXIT) \
2891 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2892 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2895 PL_statusvalue_vms = vaxc$errno; \
2898 else PL_statusvalue_vms = SS$_ABORT; \
2899 set_vaxc_errno(PL_statusvalue_vms); \
2902 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2903 * the NATIVE error status based on it.
2905 * When in the default mode to comply with the Perl VMS documentation,
2906 * 0 is a success and any other code sets the NATIVE status to a failure
2907 * code of SS$_ABORT.
2909 * In the new POSIX EXIT mode, native status will be set so that the
2910 * actual exit code will can be retrieved by the calling program or
2913 * If the exit code is not clearly a UNIX parent or child exit status,
2914 * it will be passed through as a VMS status.
2917 # define STATUS_UNIX_EXIT_SET(n) \
2919 I32 evalue = (I32)n; \
2920 PL_statusvalue = evalue; \
2921 if (MY_POSIX_EXIT) { \
2922 if (evalue <= 0xFF00) { \
2923 if (evalue > 0xFF) \
2924 evalue = (evalue >> child_offset_bits) & 0xFF; \
2925 PL_statusvalue_vms = \
2926 (C_FAC_POSIX | (evalue << 3 ) | \
2927 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2928 } else /* forgive them Perl, for they have sinned */ \
2929 PL_statusvalue_vms = evalue; \
2932 PL_statusvalue_vms = SS$_NORMAL; \
2933 else if (evalue <= 0xFF00) \
2934 PL_statusvalue_vms = SS$_ABORT; \
2935 else { /* forgive them Perl, for they have sinned */ \
2936 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2937 else PL_statusvalue_vms = vaxc$errno; \
2938 /* And obviously used a VMS status value instead of UNIX */ \
2939 PL_statusvalue = EVMSERR; \
2941 set_vaxc_errno(PL_statusvalue_vms); \
2946 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2947 * and sets the NATIVE error status based on it. This special case
2948 * is needed to maintain compatibility with past VMS behavior.
2950 * In the default mode on VMS, this number is passed through as
2951 * both the NATIVE and UNIX status. Which makes it different
2952 * that the STATUS_UNIX_EXIT_SET.
2954 * In the new POSIX EXIT mode, native status will be set so that the
2955 * actual exit code will can be retrieved by the calling program or
2958 * A POSIX exit code is from 0 to 255. If the exit code is higher
2959 * than this, it needs to be assumed that it is a VMS exit code and
2963 # define STATUS_EXIT_SET(n) \
2965 I32 evalue = (I32)n; \
2966 PL_statusvalue = evalue; \
2967 if (MY_POSIX_EXIT) \
2968 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2969 PL_statusvalue_vms = \
2970 (C_FAC_POSIX | (evalue << 3 ) | \
2971 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
2973 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2974 set_vaxc_errno(PL_statusvalue_vms); \
2978 /* This macro forces a success status */
2979 # define STATUS_ALL_SUCCESS \
2980 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
2982 /* This macro forces a failure status */
2983 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2984 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2985 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
2987 #elif defined(__amigaos4__)
2988 /* A somewhat experimental attempt to simulate posix return code values */
2989 # define STATUS_NATIVE PL_statusvalue_posix
2990 # define STATUS_NATIVE_CHILD_SET(n) \
2992 PL_statusvalue_posix = (n); \
2993 if (PL_statusvalue_posix < 0) { \
2994 PL_statusvalue = -1; \
2997 PL_statusvalue = n << 8; \
3000 # define STATUS_UNIX_SET(n) \
3002 PL_statusvalue = (n); \
3003 if (PL_statusvalue != -1) \
3004 PL_statusvalue &= 0xFFFF; \
3006 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3007 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3008 # define STATUS_CURRENT STATUS_UNIX
3009 # define STATUS_EXIT STATUS_UNIX
3010 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3011 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3014 # define STATUS_NATIVE PL_statusvalue_posix
3015 # if defined(WCOREDUMP)
3016 # define STATUS_NATIVE_CHILD_SET(n) \
3018 PL_statusvalue_posix = (n); \
3019 if (PL_statusvalue_posix == -1) \
3020 PL_statusvalue = -1; \
3023 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3024 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3025 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3028 # elif defined(WIFEXITED)
3029 # define STATUS_NATIVE_CHILD_SET(n) \
3031 PL_statusvalue_posix = (n); \
3032 if (PL_statusvalue_posix == -1) \
3033 PL_statusvalue = -1; \
3036 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3037 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3041 # define STATUS_NATIVE_CHILD_SET(n) \
3043 PL_statusvalue_posix = (n); \
3044 if (PL_statusvalue_posix == -1) \
3045 PL_statusvalue = -1; \
3048 PL_statusvalue_posix & 0xFFFF; \
3052 # define STATUS_UNIX_SET(n) \
3054 PL_statusvalue = (n); \
3055 if (PL_statusvalue != -1) \
3056 PL_statusvalue &= 0xFFFF; \
3058 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3059 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3060 # define STATUS_CURRENT STATUS_UNIX
3061 # define STATUS_EXIT STATUS_UNIX
3062 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3063 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3066 /* flags in PL_exit_flags for nature of exit() */
3067 #define PERL_EXIT_EXPECTED 0x01
3068 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
3069 #define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3070 #define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
3073 /* format to use for version numbers in file/directory names */
3074 /* XXX move to Configure? */
3075 /* This was only ever used for the current version, and that can be done at
3076 compile time, as PERL_FS_VERSION, so should we just delete it? */
3077 # ifndef PERL_FS_VER_FMT
3078 # define PERL_FS_VER_FMT "%d.%d.%d"
3082 #ifndef PERL_FS_VERSION
3083 # define PERL_FS_VERSION PERL_VERSION_STRING
3086 /* This defines a way to flush all output buffers. This may be a
3087 * performance issue, so we allow people to disable it. Also, if
3088 * we are using stdio, there are broken implementations of fflush(NULL)
3089 * out there, Solaris being the most prominent.
3091 #ifndef PERL_FLUSHALL_FOR_CHILD
3092 # if defined(USE_PERLIO) || defined(FFLUSH_NULL)
3093 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
3094 # elif defined(FFLUSH_ALL)
3095 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
3097 # define PERL_FLUSHALL_FOR_CHILD NOOP
3101 #ifndef PERL_WAIT_FOR_CHILDREN
3102 # define PERL_WAIT_FOR_CHILDREN NOOP
3105 /* the traditional thread-unsafe notion of "current interpreter". */
3106 #ifndef PERL_SET_INTERP
3107 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3110 #ifndef PERL_GET_INTERP
3111 # define PERL_GET_INTERP (PL_curinterp)
3114 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
3115 # ifdef MULTIPLICITY
3116 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
3118 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3122 This replaces the previous %_ "hack" by the "%p" hacks.
3123 All that is required is that the perl source does not
3124 use "%-p" or "%-<number>p" or "%<number>p" formats.
3125 These formats will still work in perl code.
3126 See comments in sv.c for further details.
3128 Robin Barker 2005-07-14
3130 No longer use %1p for VDf = %vd. RMB 2007-10-19
3134 # define SVf_(n) "-" STRINGIFY(n) "p"
3142 # define SVf32 SVf_(32)
3146 # define SVf256 SVf_(256)
3149 #define SVfARG(p) ((void*)(p))
3155 /* Not ideal, but we cannot easily include a number in an already-numeric
3156 * format sequence. */
3158 # define HEKf256 "3p"
3161 #define HEKfARG(p) ((void*)(p))
3163 /* Takes three arguments: is_utf8, length, str */
3165 # define UTF8f "d%" UVuf "%4p"
3167 #define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3170 #define PNfARG(pn) (int)1, (UV)PadnameLEN(pn), (void *)PadnamePV(pn)
3173 /* not used; but needed for backward compatibility with XS code? - RMB */
3179 #ifdef HASATTRIBUTE_DEPRECATED
3180 # define __attribute__deprecated__ __attribute__((deprecated))
3182 #ifdef HASATTRIBUTE_FORMAT
3183 # define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3185 #ifdef HASATTRIBUTE_MALLOC
3186 # define __attribute__malloc__ __attribute__((__malloc__))
3188 #ifdef HASATTRIBUTE_NONNULL
3189 # define __attribute__nonnull__(a) __attribute__((nonnull(a)))
3191 #ifdef HASATTRIBUTE_NORETURN
3192 # define __attribute__noreturn__ __attribute__((noreturn))
3194 #ifdef HASATTRIBUTE_PURE
3195 # define __attribute__pure__ __attribute__((pure))
3197 #ifdef HASATTRIBUTE_UNUSED
3198 # define __attribute__unused__ __attribute__((unused))
3200 #ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
3201 # define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
3204 /* If we haven't defined the attributes yet, define them to blank. */
3205 #ifndef __attribute__deprecated__
3206 # define __attribute__deprecated__
3208 #ifndef __attribute__format__
3209 # define __attribute__format__(x,y,z)
3211 #ifndef __attribute__malloc__
3212 # define __attribute__malloc__
3214 #ifndef __attribute__nonnull__
3215 # define __attribute__nonnull__(a)
3217 #ifndef __attribute__noreturn__
3218 # define __attribute__noreturn__
3220 #ifndef __attribute__pure__
3221 # define __attribute__pure__
3223 #ifndef __attribute__unused__
3224 # define __attribute__unused__
3226 #ifndef __attribute__warn_unused_result__
3227 # define __attribute__warn_unused_result__
3231 # if !defined(DEBUGGING) && !defined(NDEBUG)
3234 # include <assert.h>
3237 /* For functions that are marked as __attribute__noreturn__, it's not
3238 appropriate to call return. In either case, include the lint directive.
3240 #ifdef HASATTRIBUTE_NORETURN
3241 # define NORETURN_FUNCTION_END NOT_REACHED;
3243 # define NORETURN_FUNCTION_END NOT_REACHED; return 0
3246 /* Some OS warn on NULL format to printf */
3247 #ifdef PRINTF_FORMAT_NULL_OK
3248 # define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3250 # define __attribute__format__null_ok__(x,y,z)
3253 #ifdef HAS_BUILTIN_EXPECT
3254 # define EXPECT(expr,val) __builtin_expect(expr,val)
3256 # define EXPECT(expr,val) (expr)
3258 #define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3259 #define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
3260 #ifdef HAS_BUILTIN_CHOOSE_EXPR
3264 /* STATIC_ASSERT_DECL/STATIC_ASSERT_STMT are like assert(), but for compile
3265 time invariants. That is, their argument must be a constant expression that
3266 can be verified by the compiler. This expression can contain anything that's
3267 known to the compiler, e.g. #define constants, enums, or sizeof (...). If
3268 the expression evaluates to 0, compilation fails.
3269 Because they generate no runtime code (i.e. their use is "free"), they're
3270 always active, even under non-DEBUGGING builds.
3271 STATIC_ASSERT_DECL expands to a declaration and is suitable for use at
3272 file scope (outside of any function).
3273 STATIC_ASSERT_STMT expands to a statement and is suitable for use inside a
3276 #if (defined(static_assert) || (defined(__cplusplus) && __cplusplus >= 201103L)) && (!defined(__IBMC__) || __IBMC__ >= 1210)
3277 /* static_assert is a macro defined in <assert.h> in C11 or a compiler
3278 builtin in C++11. But IBM XL C V11 does not support _Static_assert, no
3279 matter what <assert.h> says.
3281 # define STATIC_ASSERT_DECL(COND) static_assert(COND, #COND)
3283 /* We use a bit-field instead of an array because gcc accepts
3284 'typedef char x[n]' where n is not a compile-time constant.
3285 We want to enforce constantness.
3287 # define STATIC_ASSERT_2(COND, SUFFIX) \
3289 unsigned int _static_assertion_failed_##SUFFIX : (COND) ? 1 : -1; \
3290 } _static_assertion_failed_##SUFFIX PERL_UNUSED_DECL
3291 # define STATIC_ASSERT_1(COND, SUFFIX) STATIC_ASSERT_2(COND, SUFFIX)
3292 # define STATIC_ASSERT_DECL(COND) STATIC_ASSERT_1(COND, __LINE__)
3294 /* We need this wrapper even in C11 because 'case X: static_assert(...);' is an
3295 error (static_assert is a declaration, and only statements can have labels).
3297 #define STATIC_ASSERT_STMT(COND) STMT_START { STATIC_ASSERT_DECL(COND); } STMT_END
3299 #ifndef __has_builtin
3300 # define __has_builtin(x) 0 /* not a clang style compiler */
3303 /* ASSUME is like assert(), but it has a benefit in a release build. It is a
3304 hint to a compiler about a statement of fact in a function call free
3305 expression, which allows the compiler to generate better machine code.
3306 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3307 the control path is unreachable. In a for loop, ASSUME can be used to hint
3308 that a loop will run at least X times. ASSUME is based off MSVC's __assume
3309 intrinsic function, see its documents for more details.
3313 # if __has_builtin(__builtin_unreachable) \
3314 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4) /* 4.5 -> */
3315 # define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3316 # elif defined(_MSC_VER)
3317 # define ASSUME(x) __assume(x)
3318 # elif defined(__ARMCC_VERSION) /* untested */
3319 # define ASSUME(x) __promise(x)
3321 /* a random compiler might define assert to its own special optimization token
3322 so pass it through to C lib as a last resort */
3323 # define ASSUME(x) assert(x)
3326 # define ASSUME(x) assert(x)
3329 #if defined(__sun) /* ASSUME() generates warnings on Solaris */
3330 # define NOT_REACHED
3331 #elif defined(DEBUGGING) && (__has_builtin(__builtin_unreachable) \
3332 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4)) /* 4.5 -> */
3333 # define NOT_REACHED STMT_START { ASSUME(0); __builtin_unreachable(); } STMT_END
3335 # define NOT_REACHED ASSUME(0)
3338 /* Some unistd.h's give a prototype for pause() even though
3339 HAS_PAUSE ends up undefined. This causes the #define
3340 below to be rejected by the compiler. Sigh.
3345 #define Pause() sleep((32767<<16)+32767)
3349 # ifdef IOCPARM_MASK
3350 /* on BSDish systems we're safe */
3351 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3352 # elif defined(_IOC_SIZE) && defined(__GLIBC__)
3353 /* on Linux systems we're safe; except when we're not [perl #38223] */
3354 # define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
3356 /* otherwise guess at what's safe */
3357 # define IOCPARM_LEN(x) 256
3361 #if defined(__CYGWIN__)
3363 * This symbol, if defined, indicates that the program should
3364 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
3365 * that a file is in "binary" mode -- that is, that no translation
3366 * of bytes occurs on read or write operations.
3368 # define USEMYBINMODE /**/
3369 # include <io.h> /* for setmode() prototype */
3370 # define my_binmode(fp, iotype, mode) \
3371 cBOOL(PerlLIO_setmode(fileno(fp), mode) != -1)
3375 void init_os_extras(void);
3378 #ifdef UNION_ANY_DEFINITION
3379 UNION_ANY_DEFINITION;
3397 void (*any_dptr) (void*);
3398 void (*any_dxptr) (pTHX_ void*);
3402 typedef I32 (*filter_t) (pTHX_ int, SV *, int);
3404 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3405 #define FILTER_DATA(idx) \
3406 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3407 #define FILTER_ISREADER(idx) \
3408 (PL_parser && PL_parser->rsfp_filters \
3409 && idx >= AvFILLp(PL_parser->rsfp_filters))
3410 #define PERL_FILTER_EXISTS(i) \
3411 (PL_parser && PL_parser->rsfp_filters \
3412 && (i) <= av_tindex(PL_parser->rsfp_filters))
3414 #if defined(_AIX) && !defined(_AIX43)
3415 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3416 /* We cannot include <crypt.h> to get the struct crypt_data
3417 * because of setkey prototype problems when threading */
3418 typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3419 /* From OSF, Not needed in AIX
3427 #endif /* threading */
3430 #ifndef PERL_CALLCONV
3432 # define PERL_CALLCONV extern "C"
3434 # define PERL_CALLCONV
3437 #ifndef PERL_CALLCONV_NO_RET
3438 # define PERL_CALLCONV_NO_RET PERL_CALLCONV
3441 /* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
3442 dont have a noreturn as a declaration specifier
3444 #ifndef PERL_STATIC_NO_RET
3445 # define PERL_STATIC_NO_RET STATIC
3447 /* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
3448 builds that dont have a noreturn as a declaration specifier
3450 #ifndef PERL_STATIC_INLINE_NO_RET
3451 # define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
3455 # include "iperlsys.h"
3458 #ifdef __LIBCATAMOUNT__
3459 #undef HAS_PASSWD /* unixish.h but not unixish enough. */
3461 #define FAKE_BIT_BUCKET
3464 /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3465 * Note that the USE_HASH_SEED and similar defines are *NOT* defined by
3466 * Configure, despite their names being similar to other defines like
3467 * USE_ITHREADS. Configure in fact knows nothing about the randomised
3468 * hashes. Therefore to enable/disable the hash randomisation defines
3469 * use the Configure -Accflags=... instead. */
3470 #if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED)
3471 # define USE_HASH_SEED
3477 /* macros to define bit-fields in structs. */
3478 #ifndef PERL_BITFIELD8
3479 # define PERL_BITFIELD8 unsigned
3481 #ifndef PERL_BITFIELD16
3482 # define PERL_BITFIELD16 unsigned
3484 #ifndef PERL_BITFIELD32
3485 # define PERL_BITFIELD32 unsigned
3495 #include "opnames.h"
3502 #include "warnings.h"
3505 /* these would be in doio.h if there was such a file */
3506 #define my_stat() my_stat_flags(SV_GMAGIC)
3507 #define my_lstat() my_lstat_flags(SV_GMAGIC)
3509 /* defined in sv.c, but also used in [ach]v.c */
3512 #undef _XPVCV_COMMON
3516 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
3518 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3520 /* These have to be predeclared, as they are used in proto.h which is #included
3521 * before their definitions in regcomp.h. */
3524 typedef struct regnode_charclass regnode_charclass;
3526 struct regnode_charclass_class;
3528 /* A hopefully less confusing name. The sub-classes are all Posix classes only
3529 * used under /l matching */
3530 typedef struct regnode_charclass_class regnode_charclass_posixl;
3532 typedef struct regnode_ssc regnode_ssc;
3533 typedef struct RExC_state_t RExC_state_t;
3534 struct _reg_trie_data;
3538 struct ptr_tbl_ent {
3539 struct ptr_tbl_ent* next;
3545 struct ptr_tbl_ent** tbl_ary;
3548 struct ptr_tbl_arena *tbl_arena;
3549 struct ptr_tbl_ent *tbl_arena_next;
3550 struct ptr_tbl_ent *tbl_arena_end;
3553 #if defined(htonl) && !defined(HAS_HTONL)
3556 #if defined(htons) && !defined(HAS_HTONS)
3559 #if defined(ntohl) && !defined(HAS_NTOHL)
3562 #if defined(ntohs) && !defined(HAS_NTOHS)
3570 # if (BYTEORDER & 0xffff) == 0x4321
3571 /* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3572 re-order their values. However, to behave identically to the alternative
3573 implementations, they should truncate to the correct size. */
3574 # define ntohl(x) ((x)&0xFFFFFFFF)
3575 # define htonl(x) ntohl(x)
3576 # define ntohs(x) ((x)&0xFFFF)
3577 # define htons(x) ntohs(x)
3578 # elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3580 /* Note that we can't straight out declare our own htonl and htons because
3581 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3582 to avoid the overhead of initialising the socket subsystem, but the headers
3583 that *declare* the various functions are still seen. If we declare our own
3584 htonl etc they will clash with the declarations in the Win32 headers. */
3586 PERL_STATIC_INLINE U32
3587 my_swap32(const U32 x) {
3588 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3589 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3592 PERL_STATIC_INLINE U16
3593 my_swap16(const U16 x) {
3594 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3597 # define htonl(x) my_swap32(x)
3598 # define ntohl(x) my_swap32(x)
3599 # define ntohs(x) my_swap16(x)
3600 # define htons(x) my_swap16(x)
3602 # error "Unsupported byteorder"
3603 /* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3604 the error message. Please check the value of the macro BYTEORDER, as defined
3605 in config.h. The values of BYTEORDER we expect are
3607 big endian little endian
3608 32 bit 0x4321 0x1234
3609 64 bit 0x87654321 0x12345678
3611 If you have a system with a different byte order, please see
3612 pod/perlhack.pod for how to submit a patch to add supporting code.
3618 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3621 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3622 /* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3623 re-order their values. However, to behave identically to the alternative
3624 implementations, they should truncate to the correct size. */
3625 # define vtohl(x) ((x)&0xFFFFFFFF)
3626 # define vtohs(x) ((x)&0xFFFF)
3627 # define htovl(x) vtohl(x)
3628 # define htovs(x) vtohs(x)
3629 #elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
3630 # define vtohl(x) ((((x)&0xFF)<<24) \
3632 +(((x)&0x0000FF00)<<8) \
3633 +(((x)&0x00FF0000)>>8) )
3634 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3635 # define htovl(x) vtohl(x)
3636 # define htovs(x) vtohs(x)
3638 # error "Unsupported byteorder"
3639 /* If you have need for current perl on PDP-11 or similar, and can help test
3640 that blead keeps working on a mixed-endian system, then see
3641 pod/perlhack.pod for how to submit patches to things working again. */
3644 /* *MAX Plus 1. A floating point value.
3645 Hopefully expressed in a way that dodgy floating point can't mess up.
3646 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3648 May find that some broken compiler will want the value cast to I32.
3649 [after the shift, as signed >> may not be as secure as unsigned >>]
3651 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3652 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3653 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3654 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3655 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3657 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
3659 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3660 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3661 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3663 /* This may look like unnecessary jumping through hoops, but converting
3664 out of range floating point values to integers *is* undefined behaviour,
3665 and it is starting to bite.
3668 #define I_32(what) (cast_i32((NV)(what)))
3669 #define U_32(what) (cast_ulong((NV)(what)))
3670 #define I_V(what) (cast_iv((NV)(what)))
3671 #define U_V(what) (cast_uv((NV)(what)))
3673 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3674 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3675 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3676 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3677 : ((n) < U32_MAX_P1 ? (U32) (n) \
3678 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3679 #define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3680 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3681 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3682 #define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3683 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3684 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3687 #define U_S(what) ((U16)U_32(what))
3688 #define U_I(what) ((unsigned int)U_32(what))
3689 #define U_L(what) U_32(what)
3692 # define Perl_signbit signbit
3695 /* These do not care about the fractional part, only about the range. */
3696 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
3697 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
3699 /* Used with UV/IV arguments: */
3700 /* XXXX: need to speed it up */
3701 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3702 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3709 #if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
3710 Uid_t getuid (void);
3711 Uid_t geteuid (void);
3712 Gid_t getgid (void);
3713 Gid_t getegid (void);
3717 #ifndef Perl_debug_log
3718 # define Perl_debug_log PerlIO_stderr()
3721 #ifndef Perl_error_log
3722 # define Perl_error_log (PL_stderrgv \
3723 && isGV(PL_stderrgv) \
3724 && GvIOp(PL_stderrgv) \
3725 && IoOFP(GvIOp(PL_stderrgv)) \
3726 ? IoOFP(GvIOp(PL_stderrgv)) \
3731 #define DEBUG_p_FLAG 0x00000001 /* 1 */
3732 #define DEBUG_s_FLAG 0x00000002 /* 2 */
3733 #define DEBUG_l_FLAG 0x00000004 /* 4 */
3734 #define DEBUG_t_FLAG 0x00000008 /* 8 */
3735 #define DEBUG_o_FLAG 0x00000010 /* 16 */
3736 #define DEBUG_c_FLAG 0x00000020 /* 32 */
3737 #define DEBUG_P_FLAG 0x00000040 /* 64 */
3738 #define DEBUG_m_FLAG 0x00000080 /* 128 */
3739 #define DEBUG_f_FLAG 0x00000100 /* 256 */
3740 #define DEBUG_r_FLAG 0x00000200 /* 512 */
3741 #define DEBUG_x_FLAG 0x00000400 /* 1024 */
3742 #define DEBUG_u_FLAG 0x00000800 /* 2048 */
3743 /* U is reserved for Unofficial, exploratory hacking */
3744 #define DEBUG_U_FLAG 0x00001000 /* 4096 */
3746 #define DEBUG_X_FLAG 0x00004000 /* 16384 */
3747 #define DEBUG_D_FLAG 0x00008000 /* 32768 */
3748 #define DEBUG_S_FLAG 0x00010000 /* 65536 */
3749 #define DEBUG_T_FLAG 0x00020000 /* 131072 */
3750 #define DEBUG_R_FLAG 0x00040000 /* 262144 */
3751 #define DEBUG_J_FLAG 0x00080000 /* 524288 */
3752 #define DEBUG_v_FLAG 0x00100000 /*1048576 */
3753 #define DEBUG_C_FLAG 0x00200000 /*2097152 */
3754 #define DEBUG_A_FLAG 0x00400000 /*4194304 */
3755 #define DEBUG_q_FLAG 0x00800000 /*8388608 */
3756 #define DEBUG_M_FLAG 0x01000000 /*16777216*/
3757 #define DEBUG_B_FLAG 0x02000000 /*33554432*/
3758 #define DEBUG_L_FLAG 0x04000000 /*67108864*/
3759 #define DEBUG_i_FLAG 0x08000000 /*134217728*/
3760 #define DEBUG_MASK 0x0FFFEFFF /* mask of all the standard flags */
3762 #define DEBUG_DB_RECURSE_FLAG 0x40000000
3763 #define DEBUG_TOP_FLAG 0x80000000 /* -D was given --> PL_debug |= FLAG */
3765 # define DEBUG_p_TEST_ UNLIKELY(PL_debug & DEBUG_p_FLAG)
3766 # define DEBUG_s_TEST_ UNLIKELY(PL_debug & DEBUG_s_FLAG)
3767 # define DEBUG_l_TEST_ UNLIKELY(PL_debug & DEBUG_l_FLAG)
3768 # define DEBUG_t_TEST_ UNLIKELY(PL_debug & DEBUG_t_FLAG)
3769 # define DEBUG_o_TEST_ UNLIKELY(PL_debug & DEBUG_o_FLAG)
3770 # define DEBUG_c_TEST_ UNLIKELY(PL_debug & DEBUG_c_FLAG)
3771 # define DEBUG_P_TEST_ UNLIKELY(PL_debug & DEBUG_P_FLAG)
3772 # define DEBUG_m_TEST_ UNLIKELY(PL_debug & DEBUG_m_FLAG)
3773 # define DEBUG_f_TEST_ UNLIKELY(PL_debug & DEBUG_f_FLAG)
3774 # define DEBUG_r_TEST_ UNLIKELY(PL_debug & DEBUG_r_FLAG)
3775 # define DEBUG_x_TEST_ UNLIKELY(PL_debug & DEBUG_x_FLAG)
3776 # define DEBUG_u_TEST_ UNLIKELY(PL_debug & DEBUG_u_FLAG)
3777 # define DEBUG_U_TEST_ UNLIKELY(PL_debug & DEBUG_U_FLAG)
3778 # define DEBUG_X_TEST_ UNLIKELY(PL_debug & DEBUG_X_FLAG)
3779 # define DEBUG_D_TEST_ UNLIKELY(PL_debug & DEBUG_D_FLAG)
3780 # define DEBUG_S_TEST_ UNLIKELY(PL_debug & DEBUG_S_FLAG)
3781 # define DEBUG_T_TEST_ UNLIKELY(PL_debug & DEBUG_T_FLAG)
3782 # define DEBUG_R_TEST_ UNLIKELY(PL_debug & DEBUG_R_FLAG)
3783 # define DEBUG_J_TEST_ UNLIKELY(PL_debug & DEBUG_J_FLAG)
3784 # define DEBUG_v_TEST_ UNLIKELY(PL_debug & DEBUG_v_FLAG)
3785 # define DEBUG_C_TEST_ UNLIKELY(PL_debug & DEBUG_C_FLAG)
3786 # define DEBUG_A_TEST_ UNLIKELY(PL_debug & DEBUG_A_FLAG)
3787 # define DEBUG_q_TEST_ UNLIKELY(PL_debug & DEBUG_q_FLAG)
3788 # define DEBUG_M_TEST_ UNLIKELY(PL_debug & DEBUG_M_FLAG)
3789 # define DEBUG_B_TEST_ UNLIKELY(PL_debug & DEBUG_B_FLAG)
3790 # define DEBUG_L_TEST_ UNLIKELY(PL_debug & DEBUG_L_FLAG)
3791 # define DEBUG_i_TEST_ UNLIKELY(PL_debug & DEBUG_i_FLAG)
3792 # define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
3793 # define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
3794 # define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
3795 # define DEBUG_Lv_TEST_ (DEBUG_L_TEST_ && DEBUG_v_TEST_)
3799 # define DEBUG_p_TEST DEBUG_p_TEST_
3800 # define DEBUG_s_TEST DEBUG_s_TEST_
3801 # define DEBUG_l_TEST DEBUG_l_TEST_
3802 # define DEBUG_t_TEST DEBUG_t_TEST_
3803 # define DEBUG_o_TEST DEBUG_o_TEST_
3804 # define DEBUG_c_TEST DEBUG_c_TEST_
3805 # define DEBUG_P_TEST DEBUG_P_TEST_
3806 # define DEBUG_m_TEST DEBUG_m_TEST_
3807 # define DEBUG_f_TEST DEBUG_f_TEST_
3808 # define DEBUG_r_TEST DEBUG_r_TEST_
3809 # define DEBUG_x_TEST DEBUG_x_TEST_
3810 # define DEBUG_u_TEST DEBUG_u_TEST_
3811 # define DEBUG_U_TEST DEBUG_U_TEST_
3812 # define DEBUG_X_TEST DEBUG_X_TEST_
3813 # define DEBUG_D_TEST DEBUG_D_TEST_
3814 # define DEBUG_S_TEST DEBUG_S_TEST_
3815 # define DEBUG_T_TEST DEBUG_T_TEST_
3816 # define DEBUG_R_TEST DEBUG_R_TEST_
3817 # define DEBUG_J_TEST DEBUG_J_TEST_
3818 # define DEBUG_v_TEST DEBUG_v_TEST_
3819 # define DEBUG_C_TEST DEBUG_C_TEST_
3820 # define DEBUG_A_TEST DEBUG_A_TEST_
3821 # define DEBUG_q_TEST DEBUG_q_TEST_
3822 # define DEBUG_M_TEST DEBUG_M_TEST_
3823 # define DEBUG_B_TEST DEBUG_B_TEST_
3824 # define DEBUG_L_TEST DEBUG_L_TEST_
3825 # define DEBUG_i_TEST DEBUG_i_TEST_
3826 # define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3827 # define DEBUG_Uv_TEST DEBUG_Uv_TEST_
3828 # define DEBUG_Pv_TEST DEBUG_Pv_TEST_
3829 # define DEBUG_Lv_TEST DEBUG_Lv_TEST_
3831 # define PERL_DEB(a) a
3832 # define PERL_DEB2(a,b) a
3833 # define PERL_DEBUG(a) if (PL_debug) a
3834 # define DEBUG_p(a) if (DEBUG_p_TEST) a
3835 # define DEBUG_s(a) if (DEBUG_s_TEST) a
3836 # define DEBUG_l(a) if (DEBUG_l_TEST) a
3837 # define DEBUG_t(a) if (DEBUG_t_TEST) a
3838 # define DEBUG_o(a) if (DEBUG_o_TEST) a
3839 # define DEBUG_c(a) if (DEBUG_c_TEST) a
3840 # define DEBUG_P(a) if (DEBUG_P_TEST) a
3842 /* Temporarily turn off memory debugging in case the a
3843 * does memory allocation, either directly or indirectly. */
3844 # define DEBUG_m(a) \
3846 if (PERL_GET_INTERP) { \
3848 if (DEBUG_m_TEST) { \
3849 PL_debug &= ~DEBUG_m_FLAG; \
3851 PL_debug |= DEBUG_m_FLAG; \
3856 # define DEBUG__(t, a) \
3858 if (t) STMT_START {a;} STMT_END; \
3861 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3863 #ifndef PERL_EXT_RE_BUILD
3864 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3866 # define DEBUG_r(a) STMT_START {a;} STMT_END
3867 #endif /* PERL_EXT_RE_BUILD */
3869 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3870 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
3871 # define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
3872 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3873 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
3874 # define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3875 # define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
3876 # define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
3877 # define DEBUG_Lv(a) DEBUG__(DEBUG_Lv_TEST, a)
3879 # define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
3880 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3881 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
3882 # define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
3883 # define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
3884 # define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3885 # define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
3886 # define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
3887 # define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
3888 # define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
3889 # define DEBUG_i(a) DEBUG__(DEBUG_i_TEST, a)
3891 #else /* DEBUGGING */
3893 # define DEBUG_p_TEST (0)
3894 # define DEBUG_s_TEST (0)
3895 # define DEBUG_l_TEST (0)
3896 # define DEBUG_t_TEST (0)
3897 # define DEBUG_o_TEST (0)
3898 # define DEBUG_c_TEST (0)
3899 # define DEBUG_P_TEST (0)
3900 # define DEBUG_m_TEST (0)
3901 # define DEBUG_f_TEST (0)
3902 # define DEBUG_r_TEST (0)
3903 # define DEBUG_x_TEST (0)
3904 # define DEBUG_u_TEST (0)
3905 # define DEBUG_U_TEST (0)
3906 # define DEBUG_X_TEST (0)
3907 # define DEBUG_D_TEST (0)
3908 # define DEBUG_S_TEST (0)
3909 # define DEBUG_T_TEST (0)
3910 # define DEBUG_R_TEST (0)
3911 # define DEBUG_J_TEST (0)
3912 # define DEBUG_v_TEST (0)
3913 # define DEBUG_C_TEST (0)
3914 # define DEBUG_A_TEST (0)
3915 # define DEBUG_q_TEST (0)
3916 # define DEBUG_M_TEST (0)
3917 # define DEBUG_B_TEST (0)
3918 # define DEBUG_L_TEST (0)
3919 # define DEBUG_i_TEST (0)
3920 # define DEBUG_Xv_TEST (0)
3921 # define DEBUG_Uv_TEST (0)
3922 # define DEBUG_Pv_TEST (0)
3923 # define DEBUG_Lv_TEST (0)
3925 # define PERL_DEB(a)
3926 # define PERL_DEB2(a,b) b
3927 # define PERL_DEBUG(a)
3954 # define DEBUG_Xv(a)
3955 # define DEBUG_Uv(a)
3956 # define DEBUG_Pv(a)
3957 # define DEBUG_Lv(a)
3958 #endif /* DEBUGGING */
3961 #define DEBUG_SCOPE(where) \
3963 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3964 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
3965 __FILE__, __LINE__));
3967 /* Keep the old croak based assert for those who want it, and as a fallback if
3968 the platform is so heretically non-ANSI that it can't assert. */
3970 #define Perl_assert(what) PERL_DEB2( \
3971 ((what) ? ((void) 0) : \
3972 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
3973 "\", line %d", STRINGIFY(what), __LINE__), \
3974 (void) 0)), ((void)0))
3976 /* assert() gets defined if DEBUGGING (and I_ASSERT).
3977 * If no DEBUGGING, the <assert.h> has not been included. */
3979 # define assert(what) Perl_assert(what)
3982 # define assert_(what) assert(what),
3984 # define assert_(what)
3988 I32 (*uf_val)(pTHX_ IV, SV*);
3989 I32 (*uf_set)(pTHX_ IV, SV*);
3993 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
3994 * XS code wanting to be backward compatible can do something
3995 * like the following:
3997 #ifndef PERL_MG_UFUNC
3998 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
4001 static PERL_MG_UFUNC(foo_get, index, val)
4011 #ifndef PERL_MG_UFUNC
4012 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
4015 /* Fix these up for __STDC__ */
4016 #ifndef DONT_DECLARE_STD
4017 char *mktemp (char*);
4019 double atof (const char*);
4024 /* All of these are in stdlib.h or time.h for ANSI C */
4026 struct tm *gmtime(), *localtime();
4028 char *(strcpy)(), *(strcat)();
4030 char *strcpy(), *strcat();
4032 #endif /* ! STANDARD_C */
4038 /* isfinite and others are here rather than in math.h as C99 stipulates */
4043 double exp (double);
4044 double log (double);
4045 double log10 (double);
4046 double sqrt (double);
4047 double frexp (double,int*);
4048 double ldexp (double,int);
4049 double modf (double,double*);
4050 double sin (double);
4051 double cos (double);
4052 double atan2 (double,double);
4053 double pow (double,double);
4058 # if !defined(WIN32) && !defined(VMS)
4060 char *crypt (const char*, const char*);
4062 # endif /* !WIN32 */
4063 # ifndef DONT_DECLARE_STD
4065 char *getenv (const char*);
4066 # endif /* !getenv */
4067 # if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
4068 # ifdef _FILE_OFFSET_BITS
4069 # if _FILE_OFFSET_BITS == 64
4070 Off_t lseek (int,Off_t,int);
4074 # endif /* !DONT_DECLARE_STD */
4077 char *getlogin (void);
4079 # endif /* !WIN32 */
4080 #endif /* !__cplusplus */
4082 /* Fixme on VMS. This needs to be a run-time, not build time options */
4083 /* Also rename() is affected by this */
4084 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
4085 #define UNLINK unlnk
4086 I32 unlnk (pTHX_ const char*);
4088 #define UNLINK PerlLIO_unlink
4091 /* some versions of glibc are missing the setresuid() proto */
4092 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
4093 int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4095 /* some versions of glibc are missing the setresgid() proto */
4096 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
4097 int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4100 #ifndef HAS_SETREUID
4101 # ifdef HAS_SETRESUID
4102 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4103 # define HAS_SETREUID
4106 #ifndef HAS_SETREGID
4107 # ifdef HAS_SETRESGID
4108 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4109 # define HAS_SETREGID
4113 /* Sighandler_t defined in iperlsys.h */
4115 #ifdef HAS_SIGACTION
4116 typedef struct sigaction Sigsave_t;
4118 typedef Sighandler_t Sigsave_t;
4129 # define RUNOPS_DEFAULT Perl_runops_debug
4131 # define RUNOPS_DEFAULT Perl_runops_standard
4134 #if defined(USE_PERLIO)
4135 EXTERN_C void PerlIO_teardown(void);
4136 # ifdef USE_ITHREADS
4137 # define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4138 # define PERLIO_TERM \
4140 PerlIO_teardown(); \
4141 MUTEX_DESTROY(&PL_perlio_mutex);\
4144 # define PERLIO_INIT
4145 # define PERLIO_TERM PerlIO_teardown()
4148 # define PERLIO_INIT
4149 # define PERLIO_TERM
4153 # ifdef MUTEX_INIT_CALLS_MALLOC
4154 # define MALLOC_INIT \
4156 PL_malloc_mutex = NULL; \
4157 MUTEX_INIT(&PL_malloc_mutex); \
4159 # define MALLOC_TERM \
4161 perl_mutex tmp = PL_malloc_mutex; \
4162 PL_malloc_mutex = NULL; \
4163 MUTEX_DESTROY(&tmp); \
4166 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4167 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4170 # define MALLOC_INIT
4171 # define MALLOC_TERM
4174 #if defined(PERL_IMPLICIT_CONTEXT)
4176 struct perl_memory_debug_header;
4177 struct perl_memory_debug_header {
4179 # if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
4182 struct perl_memory_debug_header *prev;
4183 struct perl_memory_debug_header *next;
4184 # ifdef PERL_DEBUG_READONLY_COW
4189 #elif defined(PERL_DEBUG_READONLY_COW)
4191 struct perl_memory_debug_header;
4192 struct perl_memory_debug_header {
4198 #if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
4200 # define PERL_MEMORY_DEBUG_HEADER_SIZE \
4201 (sizeof(struct perl_memory_debug_header) + \
4202 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4203 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4206 # define PERL_MEMORY_DEBUG_HEADER_SIZE 0
4209 #ifdef PERL_TRACK_MEMPOOL
4210 # ifdef PERL_DEBUG_READONLY_COW
4211 # define INIT_TRACK_MEMPOOL(header, interp) \
4213 (header).interpreter = (interp); \
4214 (header).prev = (header).next = &(header); \
4215 (header).readonly = 0; \
4218 # define INIT_TRACK_MEMPOOL(header, interp) \
4220 (header).interpreter = (interp); \
4221 (header).prev = (header).next = &(header); \
4225 # define INIT_TRACK_MEMPOOL(header, interp)
4228 #ifdef I_MALLOCMALLOC
4229 /* Needed for malloc_size(), malloc_good_size() on some systems */
4230 # include <malloc/malloc.h>
4234 # define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
4236 # if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
4237 # ifdef PERL_TRACK_MEMPOOL
4238 # define Perl_safesysmalloc_size(where) \
4239 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4241 # define Perl_safesysmalloc_size(where) malloc_size(where)
4244 # ifdef HAS_MALLOC_GOOD_SIZE
4245 # ifdef PERL_TRACK_MEMPOOL
4246 # define Perl_malloc_good_size(how_much) \
4247 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4249 # define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4252 /* Having this as the identity operation makes some code simpler. */
4253 # define Perl_malloc_good_size(how_much) (how_much)
4257 typedef int (*runops_proc_t)(pTHX);
4258 typedef void (*share_proc_t) (pTHX_ SV *sv);
4259 typedef int (*thrhook_proc_t) (pTHX);
4260 typedef OP* (*PPADDR_t[]) (pTHX);
4261 typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4262 typedef void (*despatch_signals_proc_t) (pTHX);
4264 #if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4265 # include <crt_externs.h> /* for the env array */
4266 # define environ (*_NSGetEnviron())
4267 #elif defined(USE_ENVIRON_ARRAY)
4268 /* VMS and some other platforms don't use the environ array */
4269 # if !defined(DONT_DECLARE_STD) || \
4270 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
4272 extern char ** environ; /* environment variables supplied via exec */
4276 #define PERL_PATCHLEVEL_H_IMPLICIT
4277 #include "patchlevel.h"
4278 #undef PERL_PATCHLEVEL_H_IMPLICIT
4280 #define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4281 STRINGIFY(PERL_VERSION) "." \
4282 STRINGIFY(PERL_SUBVERSION)
4284 #define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4285 STRINGIFY(PERL_API_VERSION) "." \
4286 STRINGIFY(PERL_API_SUBVERSION)
4290 /* handy constants */
4291 EXTCONST char PL_warn_uninit[]
4292 INIT("Use of uninitialized value%s%s%s");
4293 EXTCONST char PL_warn_uninit_sv[]
4294 INIT("Use of uninitialized value%" SVf "%s%s");
4295 EXTCONST char PL_warn_nosemi[]
4296 INIT("Semicolon seems to be missing");
4297 EXTCONST char PL_warn_reserved[]
4298 INIT("Unquoted string \"%s\" may clash with future reserved word");
4299 EXTCONST char PL_warn_nl[]
4300 INIT("Unsuccessful %s on filename containing newline");
4301 EXTCONST char PL_no_wrongref[]
4302 INIT("Can't use %s ref as %s ref");
4303 /* The core no longer needs this here. If you require the string constant,
4304 please inline a copy into your own code. */
4305 EXTCONST char PL_no_symref[] __attribute__deprecated__
4306 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
4307 EXTCONST char PL_no_symref_sv[]
4308 INIT("Can't use string (\"%" SVf32 "\"%s) as %s ref while \"strict refs\" in use");
4310 EXTCONST char PL_no_usym[]
4311 INIT("Can't use an undefined value as %s reference");
4312 EXTCONST char PL_no_aelem[]
4313 INIT("Modification of non-creatable array value attempted, subscript %d");
4314 EXTCONST char PL_no_helem_sv[]
4315 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
4316 EXTCONST char PL_no_modify[]
4317 INIT("Modification of a read-only value attempted");
4318 EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
4319 INIT("Out of memory!\n");
4320 EXTCONST char PL_no_security[]
4321 INIT("Insecure dependency in %s%s");
4322 EXTCONST char PL_no_sock_func[]
4323 INIT("Unsupported socket function \"%s\" called");
4324 EXTCONST char PL_no_dir_func[]
4325 INIT("Unsupported directory function \"%s\" called");
4326 EXTCONST char PL_no_func[]
4327 INIT("The %s function is unimplemented");
4328 EXTCONST char PL_no_myglob[]
4329 INIT("\"%s\" %se %s can't be in a package");
4330 EXTCONST char PL_no_localize_ref[]
4331 INIT("Can't localize through a reference");
4332 EXTCONST char PL_memory_wrap[]
4333 INIT("panic: memory wrap");
4335 EXTCONST char PL_Yes[]
4337 EXTCONST char PL_No[]
4339 EXTCONST char PL_Zero[]
4341 EXTCONST char PL_hexdigit[]
4342 INIT("0123456789abcdef0123456789ABCDEF");
4344 /* This is constant on most architectures, a global on OS/2 */
4346 EXTCONST char PL_sh_path[]
4347 INIT(SH_PATH); /* full path of shell */
4351 EXTCONST char PL_cshname[]
4353 # define PL_cshlen (sizeof(CSH "") - 1)
4356 /* These are baked at compile time into any shared perl library.
4357 In future releases this will allow us in main() to sanity test the
4358 library we're linking against. */
4360 EXTCONST U8 PL_revision
4361 INIT(PERL_REVISION);
4362 EXTCONST U8 PL_version
4364 EXTCONST U8 PL_subversion
4365 INIT(PERL_SUBVERSION);
4367 EXTCONST char PL_uuemap[65]
4368 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4370 /* a special string address whose value is "isa", but which perl knows
4371 * to treat as if it were really "DOES" when printing the method name in
4372 * the "Can't call method '%s'" error message */
4373 EXTCONST char PL_isa_DOES[]
4377 EXTCONST char PL_uudmap[256] =
4379 # include "uuudmap.h"
4381 # include "uudmap.h"
4384 EXTCONST char PL_bitcount[256] =
4386 # include "ubitcount.h"
4388 # include "bitcount.h"
4391 EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4392 EXTCONST int PL_sig_num[] = { SIG_NUM };
4394 EXTCONST char PL_uudmap[256];
4395 EXTCONST char PL_bitcount[256];
4396 EXTCONST char* const PL_sig_name[];
4397 EXTCONST int PL_sig_num[];
4400 /* fast conversion and case folding tables. The folding tables complement the
4401 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4402 * folds such as outside the range or to multiple characters. */
4407 /* The EBCDIC fold table depends on the code page, and hence is found in
4410 EXTCONST unsigned char PL_fold[] = {
4411 0, 1, 2, 3, 4, 5, 6, 7,
4412 8, 9, 10, 11, 12, 13, 14, 15,
4413 16, 17, 18, 19, 20, 21, 22, 23,
4414 24, 25, 26, 27, 28, 29, 30, 31,
4415 32, 33, 34, 35, 36, 37, 38, 39,
4416 40, 41, 42, 43, 44, 45, 46, 47,
4417 48, 49, 50, 51, 52, 53, 54, 55,
4418 56, 57, 58, 59, 60, 61, 62, 63,
4419 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4420 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4421 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4422 'x', 'y', 'z', 91, 92, 93, 94, 95,
4423 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4424 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4425 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4426 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4427 128, 129, 130, 131, 132, 133, 134, 135,
4428 136, 137, 138, 139, 140, 141, 142, 143,
4429 144, 145, 146, 147, 148, 149, 150, 151,
4430 152, 153, 154, 155, 156, 157, 158, 159,
4431 160, 161, 162, 163, 164, 165, 166, 167,
4432 168, 169, 170, 171, 172, 173, 174, 175,
4433 176, 177, 178, 179, 180, 181, 182, 183,
4434 184, 185, 186, 187, 188, 189, 190, 191,
4435 192, 193, 194, 195, 196, 197, 198, 199,
4436 200, 201, 202, 203, 204, 205, 206, 207,
4437 208, 209, 210, 211, 212, 213, 214, 215,
4438 216, 217, 218, 219, 220, 221, 222, 223,
4439 224, 225, 226, 227, 228, 229, 230, 231,
4440 232, 233, 234, 235, 236, 237, 238, 239,
4441 240, 241, 242, 243, 244, 245, 246, 247,
4442 248, 249, 250, 251, 252, 253, 254, 255
4444 EXTCONST unsigned char PL_fold_latin1[] = {
4445 /* Full latin1 complement folding, except for three problematic code points:
4446 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4447 * fold complements outside the Latin1 range, so can't match something
4448 * that isn't in utf8.
4449 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4450 * not one, so can't be represented in this table.
4452 * All have to be specially handled */
4453 0, 1, 2, 3, 4, 5, 6, 7,
4454 8, 9, 10, 11, 12, 13, 14, 15,
4455 16, 17, 18, 19, 20, 21, 22, 23,
4456 24, 25, 26, 27, 28, 29, 30, 31,
4457 32, 33, 34, 35, 36, 37, 38, 39,
4458 40, 41, 42, 43, 44, 45, 46, 47,
4459 48, 49, 50, 51, 52, 53, 54, 55,
4460 56, 57, 58, 59, 60, 61, 62, 63,
4461 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4462 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4463 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4464 'x', 'y', 'z', 91, 92, 93, 94, 95,
4465 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4466 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4467 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4468 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4469 128, 129, 130, 131, 132, 133, 134, 135,
4470 136, 137, 138, 139, 140, 141, 142, 143,
4471 144, 145, 146, 147, 148, 149, 150, 151,
4472 152, 153, 154, 155, 156, 157, 158, 159,
4473 160, 161, 162, 163, 164, 165, 166, 167,
4474 168, 169, 170, 171, 172, 173, 174, 175,
4475 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4476 184, 185, 186, 187, 188, 189, 190, 191,
4477 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4478 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4479 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4480 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4481 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4482 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4483 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4484 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4485 255 /* y with diaeresis */
4488 /* If these tables are accessed through ebcdic, the access will be converted to
4490 EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4491 0, 1, 2, 3, 4, 5, 6, 7,
4492 8, 9, 10, 11, 12, 13, 14, 15,
4493 16, 17, 18, 19, 20, 21, 22, 23,
4494 24, 25, 26, 27, 28, 29, 30, 31,
4495 32, 33, 34, 35, 36, 37, 38, 39,
4496 40, 41, 42, 43, 44, 45, 46, 47,
4497 48, 49, 50, 51, 52, 53, 54, 55,
4498 56, 57, 58, 59, 60, 61, 62, 63,
4499 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4500 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4501 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4502 'x', 'y', 'z', 91, 92, 93, 94, 95,
4503 96, 97, 98, 99, 100, 101, 102, 103,
4504 104, 105, 106, 107, 108, 109, 110, 111,
4505 112, 113, 114, 115, 116, 117, 118, 119,
4506 120, 121, 122, 123, 124, 125, 126, 127,
4507 128, 129, 130, 131, 132, 133, 134, 135,
4508 136, 137, 138, 139, 140, 141, 142, 143,
4509 144, 145, 146, 147, 148, 149, 150, 151,
4510 152, 153, 154, 155, 156, 157, 158, 159,
4511 160, 161, 162, 163, 164, 165, 166, 167,
4512 168, 169, 170, 171, 172, 173, 174, 175,
4513 176, 177, 178, 179, 180, 181, 182, 183,
4514 184, 185, 186, 187, 188, 189, 190, 191,
4515 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4516 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4517 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4518 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4519 224, 225, 226, 227, 228, 229, 230, 231,
4520 232, 233, 234, 235, 236, 237, 238, 239,
4521 240, 241, 242, 243, 244, 245, 246, 247,
4522 248, 249, 250, 251, 252, 253, 254, 255
4525 /* upper and title case of latin1 characters, modified so that the three tricky
4526 * ones are mapped to 255 (which is one of the three) */
4527 EXTCONST unsigned char PL_mod_latin1_uc[] = {
4528 0, 1, 2, 3, 4, 5, 6, 7,
4529 8, 9, 10, 11, 12, 13, 14, 15,
4530 16, 17, 18, 19, 20, 21, 22, 23,
4531 24, 25, 26, 27, 28, 29, 30, 31,
4532 32, 33, 34, 35, 36, 37, 38, 39,
4533 40, 41, 42, 43, 44, 45, 46, 47,
4534 48, 49, 50, 51, 52, 53, 54, 55,
4535 56, 57, 58, 59, 60, 61, 62, 63,
4536 64, 65, 66, 67, 68, 69, 70, 71,
4537 72, 73, 74, 75, 76, 77, 78, 79,
4538 80, 81, 82, 83, 84, 85, 86, 87,
4539 88, 89, 90, 91, 92, 93, 94, 95,
4540 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4541 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4542 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4543 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4544 128, 129, 130, 131, 132, 133, 134, 135,
4545 136, 137, 138, 139, 140, 141, 142, 143,
4546 144, 145, 146, 147, 148, 149, 150, 151,
4547 152, 153, 154, 155, 156, 157, 158, 159,
4548 160, 161, 162, 163, 164, 165, 166, 167,
4549 168, 169, 170, 171, 172, 173, 174, 175,
4550 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4551 184, 185, 186, 187, 188, 189, 190, 191,
4552 192, 193, 194, 195, 196, 197, 198, 199,
4553 200, 201, 202, 203, 204, 205, 206, 207,
4554 208, 209, 210, 211, 212, 213, 214, 215,
4555 216, 217, 218, 219, 220, 221, 222,
4556 #if UNICODE_MAJOR_VERSION > 2 \
4557 || (UNICODE_MAJOR_VERSION == 2 && UNICODE_DOT_VERSION >= 1 \
4558 && UNICODE_DOT_DOT_VERSION >= 8)
4560 #else /* uc() is itself in early unicode */
4563 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4564 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4565 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4566 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4568 #endif /* !EBCDIC, but still in DOINIT */
4569 #else /* ! DOINIT */
4571 EXTCONST unsigned char PL_fold[];
4572 EXTCONST unsigned char PL_fold_latin1[];
4573 EXTCONST unsigned char PL_mod_latin1_uc[];
4574 EXTCONST unsigned char PL_latin1_lc[];
4578 #ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
4580 EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
4581 0, 1, 2, 3, 4, 5, 6, 7,
4582 8, 9, 10, 11, 12, 13, 14, 15,
4583 16, 17, 18, 19, 20, 21, 22, 23,
4584 24, 25, 26, 27, 28, 29, 30, 31,
4585 32, 33, 34, 35, 36, 37, 38, 39,
4586 40, 41, 42, 43, 44, 45, 46, 47,
4587 48, 49, 50, 51, 52, 53, 54, 55,
4588 56, 57, 58, 59, 60, 61, 62, 63,
4589 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4590 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4591 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4592 'x', 'y', 'z', 91, 92, 93, 94, 95,
4593 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4594 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4595 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4596 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4597 128, 129, 130, 131, 132, 133, 134, 135,
4598 136, 137, 138, 139, 140, 141, 142, 143,
4599 144, 145, 146, 147, 148, 149, 150, 151,
4600 152, 153, 154, 155, 156, 157, 158, 159,
4601 160, 161, 162, 163, 164, 165, 166, 167,
4602 168, 169, 170, 171, 172, 173, 174, 175,
4603 176, 177, 178, 179, 180, 181, 182, 183,
4604 184, 185, 186, 187, 188, 189, 190, 191,
4605 192, 193, 194, 195, 196, 197, 198, 199,
4606 200, 201, 202, 203, 204, 205, 206, 207,
4607 208, 209, 210, 211, 212, 213, 214, 215,
4608 216, 217, 218, 219, 220, 221, 222, 223,
4609 224, 225, 226, 227, 228, 229, 230, 231,
4610 232, 233, 234, 235, 236, 237, 238, 239,
4611 240, 241, 242, 243, 244, 245, 246, 247,
4612 248, 249, 250, 251, 252, 253, 254, 255
4615 EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
4617 #endif /* !PERL_GLOBAL_STRUCT */
4621 EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
4622 1, 2, 84, 151, 154, 155, 156, 157,
4623 165, 246, 250, 3, 158, 7, 18, 29,
4624 40, 51, 62, 73, 85, 96, 107, 118,
4625 129, 140, 147, 148, 149, 150, 152, 153,
4626 255, 6, 8, 9, 10, 11, 12, 13,
4627 14, 15, 24, 25, 26, 27, 28, 226,
4628 29, 30, 31, 32, 33, 43, 44, 45,
4629 46, 47, 48, 49, 50, 76, 77, 78,
4630 79, 80, 81, 82, 83, 84, 85, 86,
4631 87, 94, 95, 234, 181, 233, 187, 190,
4632 180, 96, 97, 98, 99, 100, 101, 102,
4633 104, 112, 182, 174, 236, 232, 229, 103,
4634 228, 226, 114, 115, 116, 117, 118, 119,
4635 120, 121, 122, 235, 176, 230, 194, 162,
4636 130, 131, 132, 133, 134, 135, 136, 137,
4637 138, 139, 201, 205, 163, 217, 220, 224,
4638 5, 248, 227, 244, 242, 255, 241, 231,
4639 240, 253, 16, 197, 19, 20, 21, 187,
4640 23, 169, 210, 245, 237, 249, 247, 239,
4641 168, 252, 34, 196, 36, 37, 38, 39,
4642 41, 42, 251, 254, 238, 223, 221, 213,
4643 225, 177, 52, 53, 54, 55, 56, 57,
4644 58, 59, 60, 61, 63, 64, 65, 66,
4645 67, 68, 69, 70, 71, 72, 74, 75,
4646 205, 208, 186, 202, 200, 218, 198, 179,
4647 178, 214, 88, 89, 90, 91, 92, 93,
4648 217, 166, 170, 207, 199, 209, 206, 204,
4649 160, 212, 105, 106, 108, 109, 110, 111,
4650 203, 113, 216, 215, 192, 175, 193, 243,
4651 172, 161, 123, 124, 125, 126, 127, 128,
4652 222, 219, 211, 195, 188, 193, 185, 184,
4653 191, 183, 141, 142, 143, 144, 145, 146
4655 #else /* ascii rather than ebcdic */
4656 EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
4657 1, 2, 84, 151, 154, 155, 156, 157,
4658 165, 246, 250, 3, 158, 7, 18, 29,
4659 40, 51, 62, 73, 85, 96, 107, 118,
4660 129, 140, 147, 148, 149, 150, 152, 153,
4661 255, 182, 224, 205, 174, 176, 180, 217,
4662 233, 232, 236, 187, 235, 228, 234, 226,
4663 222, 219, 211, 195, 188, 193, 185, 184,
4664 191, 183, 201, 229, 181, 220, 194, 162,
4665 163, 208, 186, 202, 200, 218, 198, 179,
4666 178, 214, 166, 170, 207, 199, 209, 206,
4667 204, 160, 212, 216, 215, 192, 175, 173,
4668 243, 172, 161, 190, 203, 189, 164, 230,
4669 167, 248, 227, 244, 242, 255, 241, 231,
4670 240, 253, 169, 210, 245, 237, 249, 247,
4671 239, 168, 252, 251, 254, 238, 223, 221,
4672 213, 225, 177, 197, 171, 196, 159, 4,
4673 5, 6, 8, 9, 10, 11, 12, 13,
4674 14, 15, 16, 17, 19, 20, 21, 22,
4675 23, 24, 25, 26, 27, 28, 30, 31,
4676 32, 33, 34, 35, 36, 37, 38, 39,
4677 41, 42, 43, 44, 45, 46, 47, 48,
4678 49, 50, 52, 53, 54, 55, 56, 57,
4679 58, 59, 60, 61, 63, 64, 65, 66,
4680 67, 68, 69, 70, 71, 72, 74, 75,
4681 76, 77, 78, 79, 80, 81, 82, 83,
4682 86, 87, 88, 89, 90, 91, 92, 93,
4683 94, 95, 97, 98, 99, 100, 101, 102,
4684 103, 104, 105, 106, 108, 109, 110, 111,
4685 112, 113, 114, 115, 116, 117, 119, 120,
4686 121, 122, 123, 124, 125, 126, 127, 128,
4687 130, 131, 132, 133, 134, 135, 136, 137,
4688 138, 139, 141, 142, 143, 144, 145, 146
4692 EXTCONST unsigned char PL_freq[];
4695 /* Although only used for debugging, these constants must be available in
4696 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4697 * which has DEBUGGING enabled always */
4699 EXTCONST char* const PL_block_type[] = {
4715 EXTCONST char* PL_block_type[];
4718 /* These are all the compile time options that affect binary compatibility.
4719 Other compile time options that are binary compatible are in perl.c
4720 (in S_Internals_V()). Both are combined for the output of perl -V
4721 However, this string will be embedded in any shared perl library, which will
4722 allow us add a comparison check in perlmain.c in the near future. */
4724 EXTCONST char PL_bincompat_options[] =
4725 # ifdef DEBUG_LEAKING_SCALARS
4726 " DEBUG_LEAKING_SCALARS"
4728 # ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4729 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4737 # ifdef HAVE_INTERP_INTERN
4738 " HAVE_INTERP_INTERN"
4740 # ifdef MULTIPLICITY
4746 # ifdef PERLIO_LAYERS
4749 # ifdef PERL_DEBUG_READONLY_COW
4750 " PERL_DEBUG_READONLY_COW"
4752 # ifdef PERL_DEBUG_READONLY_OPS
4753 " PERL_DEBUG_READONLY_OPS"
4755 # ifdef PERL_GLOBAL_STRUCT
4756 " PERL_GLOBAL_STRUCT"
4758 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
4759 " PERL_GLOBAL_STRUCT_PRIVATE"
4761 # ifdef PERL_IMPLICIT_CONTEXT
4762 " PERL_IMPLICIT_CONTEXT"
4764 # ifdef PERL_IMPLICIT_SYS
4765 " PERL_IMPLICIT_SYS"
4770 # ifdef PERL_NEED_APPCTX
4773 # ifdef PERL_NEED_TIMESBASE
4774 " PERL_NEED_TIMESBASE"
4779 # ifdef PERL_SAWAMPERSAND
4780 " PERL_SAWAMPERSAND"
4782 # ifdef PERL_TRACK_MEMPOOL
4783 " PERL_TRACK_MEMPOOL"
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