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 /* XXX 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 * XXX KEEP makedef.pl copy of this code in sync */
113 #if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32)
114 # define USE_REENTRANT_API
117 /* <--- here ends the logic shared by perl.h and makedef.pl */
119 /* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
120 #if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
124 #undef START_EXTERN_C
128 # define START_EXTERN_C extern "C" {
129 # define END_EXTERN_C }
130 # define EXTERN_C extern "C"
132 # define START_EXTERN_C
133 # define END_EXTERN_C
134 # define EXTERN_C extern
137 /* Fallback definitions in case we don't have definitions from config.h.
138 This should only matter for systems that don't use Configure and
139 haven't been modified to define PERL_STATIC_INLINE yet.
141 #if !defined(PERL_STATIC_INLINE)
142 # ifdef HAS_STATIC_INLINE
143 # define PERL_STATIC_INLINE static inline
145 # define PERL_STATIC_INLINE static
149 #if defined(PERL_GLOBAL_STRUCT) && !defined(PERL_GET_VARS)
150 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
151 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
152 # define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
154 # define PERL_GET_VARS() PL_VarsPtr
158 /* this used to be off by default, now its on, see perlio.h */
159 #define PERLIO_FUNCS_CONST
161 #define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
163 #ifdef PERL_GLOBAL_STRUCT
164 # define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
169 #ifdef PERL_IMPLICIT_CONTEXT
170 # ifndef MULTIPLICITY
171 # define MULTIPLICITY
173 # define tTHX PerlInterpreter*
174 # define pTHX tTHX my_perl PERL_UNUSED_DECL
175 # define aTHX my_perl
176 # define aTHXa(a) aTHX = (tTHX)a
177 # ifdef PERL_GLOBAL_STRUCT
178 # define dTHXa(a) dVAR; pTHX = (tTHX)a
180 # define dTHXa(a) pTHX = (tTHX)a
182 # ifdef PERL_GLOBAL_STRUCT
183 # define dTHX dVAR; pTHX = PERL_GET_THX
185 # define dTHX pTHX = PERL_GET_THX
199 # if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
200 # define PERL_TRACK_MEMPOOL
203 # undef PERL_TRACK_MEMPOOL
207 # define dTHX_DEBUGGING dTHX
209 # define dTHX_DEBUGGING dNOOP
212 #define STATIC static
215 /* Do not use these macros. They were part of PERL_OBJECT, which was an
216 * implementation of multiplicity using C++ objects. They have been left
217 * here solely for the sake of XS code which has incorrectly
220 #define CPERLscope(x) x
221 #define CPERLarg void
224 #define PERL_OBJECT_THIS
225 #define _PERL_OBJECT_THIS
226 #define PERL_OBJECT_THIS_
227 #define CALL_FPTR(fptr) (*fptr)
228 #define MEMBER_TO_FPTR(name) name
229 #endif /* !PERL_CORE */
231 #define CALLRUNOPS PL_runops
233 #define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
235 #define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
236 #define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
237 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
238 (strbeg),(minend),(sv),(data),(flags))
239 #define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
240 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
241 (strend),(flags),(data))
242 #define CALLREG_INTUIT_STRING(prog) \
243 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
245 #define CALLREGFREE(prog) \
246 Perl_pregfree(aTHX_ (prog))
248 #define CALLREGFREE_PVT(prog) \
249 if(prog && RX_ENGINE(prog)) RX_ENGINE(prog)->rxfree(aTHX_ (prog))
251 #define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
252 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
254 #define CALLREG_NUMBUF_STORE(rx,paren,value) \
255 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
257 #define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
258 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
260 #define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
263 #define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
264 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
266 #define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
267 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
269 #define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
272 #define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
275 #define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
276 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
278 #define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
279 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
281 #define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
282 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
284 #define CALLREG_NAMED_BUFF_COUNT(rx) \
285 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
287 #define CALLREG_NAMED_BUFF_ALL(rx, flags) \
288 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
290 #define CALLREG_PACKAGE(rx) \
291 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
293 #if defined(USE_ITHREADS)
294 #define CALLREGDUPE(prog,param) \
295 Perl_re_dup(aTHX_ (prog),(param))
297 #define CALLREGDUPE_PVT(prog,param) \
298 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
307 * Because of backward compatibility reasons the PERL_UNUSED_DECL
308 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
310 * Note that there are C compilers such as MetroWerks CodeWarrior
311 * which do not have an "inlined" way (like the gcc __attribute__) of
312 * marking unused variables (they need e.g. a #pragma) and therefore
313 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
314 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
318 #if defined(__SYMBIAN32__) && defined(__GNUC__)
320 # define PERL_UNUSED_DECL
322 # define PERL_UNUSED_DECL __attribute__((unused))
326 #ifndef PERL_UNUSED_DECL
327 # if defined(HASATTRIBUTE_UNUSED) && (!defined(__cplusplus) || __GNUC__ >= 4)
328 # define PERL_UNUSED_DECL __attribute__unused__
330 # define PERL_UNUSED_DECL
335 * for silencing unused variables that are actually used most of the time,
336 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs,
337 * or variables/arguments that are used only in certain configurations.
339 #ifndef PERL_UNUSED_ARG
340 # define PERL_UNUSED_ARG(x) ((void)sizeof(x))
342 #ifndef PERL_UNUSED_VAR
343 # define PERL_UNUSED_VAR(x) ((void)sizeof(x))
346 #if defined(USE_ITHREADS) || defined(PERL_GLOBAL_STRUCT)
347 # define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
349 # define PERL_UNUSED_CONTEXT
352 /* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
353 * g++ allows them but seems to have problems with them
354 * (insane errors ensue).
355 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
357 #if defined(PERL_GCC_PEDANTIC) || \
358 (defined(__GNUC__) && defined(__cplusplus) && \
359 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
360 # ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
361 # define PERL_GCC_BRACE_GROUPS_FORBIDDEN
365 /* Use PERL_UNUSED_RESULT() to suppress the warnings about unused results
366 * of function calls, e.g. PERL_UNUSED_RESULT(foo(a, b)).
368 * The main reason for this is that the combination of gcc -Wunused-result
369 * (part of -Wall) and the __attribute__((warn_unused_result)) cannot
370 * be silenced with casting to void. This causes trouble when the system
371 * header files use the attribute.
373 * Use PERL_UNUSED_RESULT sparingly, though, since usually the warning
374 * is there for a good reason: you might lose success/failure information,
375 * or leak resources, or changes in resources.
377 * But sometimes you just want to ignore the return value, e.g. on
378 * codepaths soon ending up in abort, or in "best effort" attempts,
379 * or in situations where there is no good way to handle failures.
381 * Sometimes PERL_UNUSED_RESULT might not be the most natural way:
382 * another possibility is that you can capture the return value
383 * and use PERL_UNUSED_VAR on that.
385 * The __typeof__() is used instead of typeof() since typeof() is not
386 * available under strict C89, and because of compilers masquerading
387 * as gcc (clang and icc), we want exactly the gcc extension
388 * __typeof__ and nothing else.
390 #ifndef PERL_UNUSED_RESULT
391 # if defined(__GNUC__) && defined(HASATTRIBUTE_WARN_UNUSED_RESULT)
392 # define PERL_UNUSED_RESULT(v) STMT_START { __typeof__(v) z = (v); (void)sizeof(z); } STMT_END
394 # define PERL_UNUSED_RESULT(v) ((void)(v))
398 /* on gcc (and clang), specify that a warning should be temporarily
401 * GCC_DIAG_IGNORE_DECL(-Wmultichar);
403 * GCC_DIAG_RESTORE_DECL;
405 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
407 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
408 * clang only pretends to be GCC 4.2, but still supports push/pop.
410 * Note on usage: all macros must be used at a place where a declaration
411 * or statement can occur, i.e., not in the middle of an expression.
412 * *_DIAG_IGNORE() and *_DIAG_RESTORE can be used in any such place, but
413 * must be used without a following semicolon. *_DIAG_IGNORE_DECL() and
414 * *_DIAG_RESTORE_DECL must be used with a following semicolon, and behave
415 * syntactically as declarations (like dNOOP). *_DIAG_IGNORE_STMT()
416 * and *_DIAG_RESTORE_STMT must be used with a following semicolon,
417 * and behave syntactically as statements (like NOOP).
421 #if defined(__clang__) || defined(__clang) || \
422 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
423 # define GCC_DIAG_PRAGMA(x) _Pragma (#x)
424 /* clang has "clang diagnostic" pragmas, but also understands gcc. */
425 # define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
426 GCC_DIAG_PRAGMA(GCC diagnostic ignored #x)
427 # define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
429 # define GCC_DIAG_IGNORE(w)
430 # define GCC_DIAG_RESTORE
432 #define GCC_DIAG_IGNORE_DECL(x) GCC_DIAG_IGNORE(x) dNOOP
433 #define GCC_DIAG_RESTORE_DECL GCC_DIAG_RESTORE dNOOP
434 #define GCC_DIAG_IGNORE_STMT(x) GCC_DIAG_IGNORE(x) NOOP
435 #define GCC_DIAG_RESTORE_STMT GCC_DIAG_RESTORE NOOP
436 /* for clang specific pragmas */
437 #if defined(__clang__) || defined(__clang)
438 # define CLANG_DIAG_PRAGMA(x) _Pragma (#x)
439 # define CLANG_DIAG_IGNORE(x) _Pragma("clang diagnostic push") \
440 CLANG_DIAG_PRAGMA(clang diagnostic ignored #x)
441 # define CLANG_DIAG_RESTORE _Pragma("clang diagnostic pop")
443 # define CLANG_DIAG_IGNORE(w)
444 # define CLANG_DIAG_RESTORE
446 #define CLANG_DIAG_IGNORE_DECL(x) CLANG_DIAG_IGNORE(x) dNOOP
447 #define CLANG_DIAG_RESTORE_DECL CLANG_DIAG_RESTORE dNOOP
448 #define CLANG_DIAG_IGNORE_STMT(x) CLANG_DIAG_IGNORE(x) NOOP
449 #define CLANG_DIAG_RESTORE_STMT CLANG_DIAG_RESTORE NOOP
451 #if defined(_MSC_VER) && (_MSC_VER >= 1300)
452 # define MSVC_DIAG_IGNORE(x) __pragma(warning(push)) \
453 __pragma(warning(disable : x))
454 # define MSVC_DIAG_RESTORE __pragma(warning(pop))
456 # define MSVC_DIAG_IGNORE(x)
457 # define MSVC_DIAG_RESTORE
459 #define MSVC_DIAG_IGNORE_DECL(x) MSVC_DIAG_IGNORE(x) dNOOP
460 #define MSVC_DIAG_RESTORE_DECL MSVC_DIAG_RESTORE dNOOP
461 #define MSVC_DIAG_IGNORE_STMT(x) MSVC_DIAG_IGNORE(x) NOOP
462 #define MSVC_DIAG_RESTORE_STMT MSVC_DIAG_RESTORE NOOP
464 #define NOOP /*EMPTY*/(void)0
465 #define dNOOP struct Perl___notused_struct
468 /* Don't bother defining tTHX ; using it outside
469 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
475 # define aTHXa(a) NOOP
476 # define dTHXa(a) dNOOP
494 /* these are only defined for compatibility; should not be used internally */
495 #if !defined(pTHXo) && !defined(PERL_CORE)
497 # define pTHXo_ pTHX_
499 # define aTHXo_ aTHX_
501 # define dTHXoa(x) dTHXa(x)
505 # define pTHXx PerlInterpreter *my_perl
506 # define pTHXx_ pTHXx,
507 # define aTHXx my_perl
508 # define aTHXx_ aTHXx,
512 /* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
513 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
514 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
515 #ifdef PERL_IMPLICIT_SYS
516 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
517 # define dTHXs dVAR; dTHX
522 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
529 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
530 # ifndef PERL_USE_GCC_BRACE_GROUPS
531 # define PERL_USE_GCC_BRACE_GROUPS
536 * STMT_START { statements; } STMT_END;
537 * can be used as a single statement, as in
538 * if (x) STMT_START { ... } STMT_END; else ...
540 * Trying to select a version that gives no warnings...
542 #if !(defined(STMT_START) && defined(STMT_END))
543 # ifdef PERL_USE_GCC_BRACE_GROUPS
544 # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
547 # define STMT_START do
548 # define STMT_END while (0)
552 #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
553 # define BYTEORDER 0x1234
556 /* Overall memory policy? */
561 #if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
568 * The following contortions are brought to you on behalf of all the
569 * standards, semi-standards, de facto standards, not-so-de-facto standards
570 * of the world, as well as all the other botches anyone ever thought of.
571 * The basic theory is that if we work hard enough here, the rest of the
572 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
575 /* define this once if either system, instead of cluttering up the src */
576 #if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
580 /* These exist only for back-compat with XS modules. */
583 #define CAN_PROTOTYPE
590 /* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
591 * you get a perl without taint support, but doubtlessly with a lesser
592 * degree of support. Do not do so unless you know exactly what it means
593 * technically, have a good reason to do so, and know exactly how the
594 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
595 * a potential security risk due to flat out ignoring the security-relevant
596 * taint flags. This being said, a perl without taint support compiled in
597 * has marginal run-time performance benefits.
598 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
599 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
600 * silently ignores -t/-T instead of throwing an exception.
602 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
603 * voids your nonexistent warranty!
605 #if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
606 # define NO_TAINT_SUPPORT 1
609 /* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
610 * operations into no-ops for a very modest speed-up. Enable only if you
611 * know what you're doing: tests and CPAN modules' tests are bound to fail.
613 #ifdef NO_TAINT_SUPPORT
615 # define TAINT_NOT NOOP
616 # define TAINT_IF(c) NOOP
617 # define TAINT_ENV() NOOP
618 # define TAINT_PROPER(s) NOOP
619 # define TAINT_set(s) NOOP
621 # define TAINTING_get 0
622 # define TAINTING_set(s) NOOP
623 # define TAINT_WARN_get 0
624 # define TAINT_WARN_set(s) NOOP
626 /* Set to tainted if we are running under tainting mode */
627 # define TAINT (PL_tainted = PL_tainting)
629 # define TAINT_NOT (PL_tainted = FALSE) /* Untaint */
630 # define TAINT_IF(c) if (UNLIKELY(c)) { TAINT; } /* Conditionally taint */
631 # define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
632 /* croak or warn if tainting */
633 # define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { \
634 taint_proper(NULL, s); \
636 # define TAINT_set(s) (PL_tainted = (s))
637 # define TAINT_get (PL_tainted)
638 # define TAINTING_get (PL_tainting) /* Is taint checking enabled? */
639 # define TAINTING_set(s) (PL_tainting = (s))
640 # define TAINT_WARN_get (PL_taint_warn) /* FALSE => tainting violations
644 # define TAINT_WARN_set(s) (PL_taint_warn = (s))
647 /* flags used internally only within pp_subst and pp_substcont */
649 # define SUBST_TAINT_STR 1 /* string tainted */
650 # define SUBST_TAINT_PAT 2 /* pattern tainted */
651 # define SUBST_TAINT_REPL 4 /* replacement tainted */
652 # define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
653 # define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
656 /* XXX All process group stuff is handled in pp_sys.c. Should these
657 defines move there? If so, I could simplify this a lot. --AD 9/96.
659 /* Process group stuff changed from traditional BSD to POSIX.
660 perlfunc.pod documents the traditional BSD-style syntax, so we'll
661 try to preserve that, if possible.
664 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
665 #elif defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
666 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
667 #elif defined(HAS_SETPGRP2)
668 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
670 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
671 # define HAS_SETPGRP /* Well, effectively it does . . . */
674 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
675 our life easier :-) so we'll try it.
678 # define BSD_GETPGRP(pid) getpgid((pid))
679 #elif defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
680 # define BSD_GETPGRP(pid) getpgrp((pid))
681 #elif defined(HAS_GETPGRP2)
682 # define BSD_GETPGRP(pid) getpgrp2((pid))
684 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
685 # define HAS_GETPGRP /* Well, effectively it does . . . */
688 /* These are not exact synonyms, since setpgrp() and getpgrp() may
689 have different behaviors, but perl.h used to define USE_BSDPGRP
690 (prior to 5.003_05) so some extension might depend on it.
692 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
698 /* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
699 pthread.h must be included before all other header files.
701 #if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
702 # include <pthread.h>
705 #include <sys/types.h>
707 /* EVC 4 SDK headers includes a bad definition of MB_CUR_MAX in stdlib.h
708 which is included from stdarg.h. Bad definition not present in SD 2008
709 SDK headers. wince.h is not yet included, so we cant fix this from there
710 since by then MB_CUR_MAX will be defined from stdlib.h.
711 cewchar.h includes a correct definition of MB_CUR_MAX and it is copied here
712 since cewchar.h can't be included this early */
713 #if defined(UNDER_CE) && (_MSC_VER < 1300)
714 # define MB_CUR_MAX 1uL
727 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
740 # include <xlocale.h>
743 /* If not forbidden, we enable locale handling if either 1) the POSIX 2008
744 * functions are available, or 2) just the setlocale() function. This logic is
745 * repeated in t/loc_tools.pl and makedef.pl; The three should be kept in
747 #if ! defined(NO_LOCALE)
749 # if ! defined(NO_POSIX_2008_LOCALE) \
750 && defined(HAS_NEWLOCALE) \
751 && defined(HAS_USELOCALE) \
752 && defined(HAS_DUPLOCALE) \
753 && defined(HAS_FREELOCALE) \
754 && defined(LC_ALL_MASK)
756 /* For simplicity, the code is written to assume that any platform advanced
757 * enough to have the Posix 2008 locale functions has LC_ALL. The final
758 * test above makes sure that assumption is valid */
760 # define HAS_POSIX_2008_LOCALE
762 # elif defined(HAS_SETLOCALE)
768 # define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
770 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
771 && defined(HAS_STRXFRM)
772 # define USE_LOCALE_COLLATE
774 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
775 # define USE_LOCALE_CTYPE
777 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
778 # define USE_LOCALE_NUMERIC
780 # if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
781 # define USE_LOCALE_MESSAGES
783 # if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
784 # define USE_LOCALE_MONETARY
786 # if !defined(NO_LOCALE_TIME) && defined(LC_TIME)
787 # define USE_LOCALE_TIME
789 # if !defined(NO_LOCALE_ADDRESS) && defined(LC_ADDRESS)
790 # define USE_LOCALE_ADDRESS
792 # if !defined(NO_LOCALE_IDENTIFICATION) && defined(LC_IDENTIFICATION)
793 # define USE_LOCALE_IDENTIFICATION
795 # if !defined(NO_LOCALE_MEASUREMENT) && defined(LC_MEASUREMENT)
796 # define USE_LOCALE_MEASUREMENT
798 # if !defined(NO_LOCALE_PAPER) && defined(LC_PAPER)
799 # define USE_LOCALE_PAPER
801 # if !defined(NO_LOCALE_TELEPHONE) && defined(LC_TELEPHONE)
802 # define USE_LOCALE_TELEPHONE
805 /* XXX The next few defines are unfortunately duplicated in makedef.pl, and
806 * changes here MUST also be made there */
808 # if ! defined(HAS_SETLOCALE) && defined(HAS_POSIX_2008_LOCALE)
809 # define USE_POSIX_2008_LOCALE
810 # ifndef USE_THREAD_SAFE_LOCALE
811 # define USE_THREAD_SAFE_LOCALE
814 * -DUSE_THREAD_SAFE_LOCALE, will do so even
815 * on unthreaded builds */
816 # elif (defined(USE_ITHREADS) || defined(USE_THREAD_SAFE_LOCALE)) \
817 && ( defined(HAS_POSIX_2008_LOCALE) \
818 || (defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1400)) \
819 && ! defined(NO_THREAD_SAFE_LOCALE)
820 # ifndef USE_THREAD_SAFE_LOCALE
821 # define USE_THREAD_SAFE_LOCALE
823 # ifdef HAS_POSIX_2008_LOCALE
824 # define USE_POSIX_2008_LOCALE
829 /* Microsoft documentation reads in the change log for VS 2015:
830 * "The localeconv function declared in locale.h now works correctly when
831 * per-thread locale is enabled. In previous versions of the library, this
832 * function would return the lconv data for the global locale, not the
835 #if defined(WIN32) && defined(USE_THREAD_SAFE_LOCALE) && _MSC_VER < 1900
836 # define TS_W32_BROKEN_LOCALECONV
842 # ifdef PARAM_NEEDS_TYPES
843 # include <sys/types.h>
845 # include <sys/param.h>
848 /* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
849 value something like 199306. This may be useful if no more-specific
850 feature test is available.
858 /* Use all the "standard" definitions */
861 /* If this causes problems, set i_unistd=undef in the hint file. */
863 # if defined(__amigaos4__)
865 # include <netinet/in.h>
869 # if defined(__amigaos4__)
870 /* Under AmigaOS 4 newlib.library provides an environ. However using
871 * it doesn't give us enough control over inheritance of variables by
872 * subshells etc. so replace with custom version based on abc-shell
874 extern char **myenviron;
876 # define environ myenviron
882 # include <sys/wait.h>
886 # undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
889 #if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
890 EXTERN_C int syscall(int, ...);
893 #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
894 EXTERN_C int usleep(unsigned int);
897 /* macros for correct constant construction. These are in C99 <stdint.h>
898 * (so they will not be available in strict C89 mode), but they are nice, so
899 * let's define them if necessary. */
902 # define UINT16_C(x) ((U16_TYPE)x##U)
904 # define UINT16_C(x) ((U16_TYPE)x##UL)
910 # define UINT32_C(x) ((U32_TYPE)x##U)
912 # define UINT32_C(x) ((U32_TYPE)x##UL)
917 typedef intmax_t PERL_INTMAX_T;
918 typedef uintmax_t PERL_UINTMAX_T;
921 /* N.B. We use QUADKIND here instead of HAS_QUAD here, because that doesn't
922 * actually mean what it has always been documented to mean (see RT #119753)
923 * and is explicitly turned off outside of core with dire warnings about
924 * removing the undef. */
926 #if defined(QUADKIND)
928 # undef PeRl_UINT64_C
929 /* Prefer the native integer types (int and long) over long long
930 * (which is not C89) and Win32-specific __int64. */
931 # if QUADKIND == QUAD_IS_INT && INTSIZE == 8
932 # define PeRl_INT64_C(c) (c)
933 # define PeRl_UINT64_C(c) CAT2(c,U)
935 # if QUADKIND == QUAD_IS_LONG && LONGSIZE == 8
936 # define PeRl_INT64_C(c) CAT2(c,L)
937 # define PeRl_UINT64_C(c) CAT2(c,UL)
939 # if QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_LONG_LONG)
940 # define PeRl_INT64_C(c) CAT2(c,LL)
941 # define PeRl_UINT64_C(c) CAT2(c,ULL)
943 # if QUADKIND == QUAD_IS___INT64
944 # define PeRl_INT64_C(c) CAT2(c,I64)
945 # define PeRl_UINT64_C(c) CAT2(c,UI64)
947 # ifndef PeRl_INT64_C
948 # define PeRl_INT64_C(c) ((I64)(c)) /* last resort */
949 # define PeRl_UINT64_C(c) ((U64TYPE)(c))
951 /* In OS X the INT64_C/UINT64_C are defined with LL/ULL, which will
952 * not fly with C89-pedantic gcc, so let's undefine them first so that
953 * we can redefine them with our native integer preferring versions. */
954 # if defined(PERL_DARWIN) && defined(PERL_GCC_PEDANTIC)
959 # define INT64_C(c) PeRl_INT64_C(c)
962 # define UINT64_C(c) PeRl_UINT64_C(c)
966 typedef I64TYPE PERL_INTMAX_T;
967 typedef U64TYPE PERL_UINTMAX_T;
970 # define INTMAX_C(c) INT64_C(c)
973 # define UINTMAX_C(c) UINT64_C(c)
976 #else /* below QUADKIND is undefined */
978 /* Perl doesn't work on 16 bit systems, so must be 32 bit */
980 typedef I32TYPE PERL_INTMAX_T;
981 typedef U32TYPE PERL_UINTMAX_T;
984 # define INTMAX_C(c) INT32_C(c)
987 # define UINTMAX_C(c) UINT32_C(c)
990 #endif /* no QUADKIND */
994 /* byte-swapping functions for big-/little-endian conversion */
995 # define _swab_16_(x) ((U16)( \
996 (((U16)(x) & UINT16_C(0x00ff)) << 8) | \
997 (((U16)(x) & UINT16_C(0xff00)) >> 8) ))
999 # define _swab_32_(x) ((U32)( \
1000 (((U32)(x) & UINT32_C(0x000000ff)) << 24) | \
1001 (((U32)(x) & UINT32_C(0x0000ff00)) << 8) | \
1002 (((U32)(x) & UINT32_C(0x00ff0000)) >> 8) | \
1003 (((U32)(x) & UINT32_C(0xff000000)) >> 24) ))
1006 # define _swab_64_(x) ((U64)( \
1007 (((U64)(x) & UINT64_C(0x00000000000000ff)) << 56) | \
1008 (((U64)(x) & UINT64_C(0x000000000000ff00)) << 40) | \
1009 (((U64)(x) & UINT64_C(0x0000000000ff0000)) << 24) | \
1010 (((U64)(x) & UINT64_C(0x00000000ff000000)) << 8) | \
1011 (((U64)(x) & UINT64_C(0x000000ff00000000)) >> 8) | \
1012 (((U64)(x) & UINT64_C(0x0000ff0000000000)) >> 24) | \
1013 (((U64)(x) & UINT64_C(0x00ff000000000000)) >> 40) | \
1014 (((U64)(x) & UINT64_C(0xff00000000000000)) >> 56) ))
1017 /* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
1018 at least on FreeBSD. YMMV, so experiment. */
1019 #ifndef PERL_ARENA_SIZE
1020 #define PERL_ARENA_SIZE 4080
1023 /* Maximum level of recursion */
1024 #ifndef PERL_SUB_DEPTH_WARN
1025 #define PERL_SUB_DEPTH_WARN 100
1028 #endif /* PERL_CORE */
1030 /* Maximum number of args that may be passed to an OP_MULTICONCAT op.
1031 * It determines the size of local arrays in S_maybe_multiconcat() and
1034 #define PERL_MULTICONCAT_MAXARG 64
1036 /* The indexes of fields of a multiconcat aux struct.
1037 * The fixed fields are followed by nargs+1 const segment lengths,
1038 * and if utf8 and non-utf8 differ, a second nargs+1 set for utf8.
1041 #define PERL_MULTICONCAT_IX_NARGS 0 /* number of arguments */
1042 #define PERL_MULTICONCAT_IX_PLAIN_PV 1 /* non-utf8 constant string */
1043 #define PERL_MULTICONCAT_IX_PLAIN_LEN 2 /* non-utf8 constant string length */
1044 #define PERL_MULTICONCAT_IX_UTF8_PV 3 /* utf8 constant string */
1045 #define PERL_MULTICONCAT_IX_UTF8_LEN 4 /* utf8 constant string length */
1046 #define PERL_MULTICONCAT_IX_LENGTHS 5 /* first of nargs+1 const segment lens */
1047 #define PERL_MULTICONCAT_HEADER_SIZE 5 /* The number of fields of a
1048 multiconcat header */
1050 /* We no longer default to creating a new SV for GvSV.
1051 Do this before embed. */
1052 #ifndef PERL_CREATE_GVSV
1053 # ifndef PERL_DONT_CREATE_GVSV
1054 # define PERL_DONT_CREATE_GVSV
1058 #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
1059 #define PERL_USES_PL_PIDSTATUS
1062 #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
1063 #define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
1066 #define MEM_SIZE Size_t
1068 /* Round all values passed to malloc up, by default to a multiple of
1071 #ifndef PERL_STRLEN_ROUNDUP_QUANTUM
1072 #define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
1075 /* sv_grow() will expand strings by at least a certain percentage of
1076 the previously *used* length to avoid excessive calls to realloc().
1077 The default is 25% of the current length.
1079 #ifndef PERL_STRLEN_EXPAND_SHIFT
1080 # define PERL_STRLEN_EXPAND_SHIFT 2
1083 /* This use of offsetof() requires /Zc:offsetof- for VS2017 (and presumably
1084 * onwards) when building Socket.xs, but we can just use a different definition
1085 * for STRUCT_OFFSET instead. */
1086 #if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1910
1087 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
1089 # include <stddef.h>
1090 # define STRUCT_OFFSET(s,m) offsetof(s,m)
1093 /* ptrdiff_t is C11, so undef it under pedantic builds. (Actually it is
1094 * in C89, but apparently there are platforms where it doesn't exist. See
1095 * thread beginning at http://nntp.perl.org/group/perl.perl5.porters/251541.)
1097 #ifdef PERL_GCC_PEDANTIC
1098 # undef HAS_PTRDIFF_T
1101 #ifdef HAS_PTRDIFF_T
1102 # define Ptrdiff_t ptrdiff_t
1104 # define Ptrdiff_t SSize_t
1107 #ifndef __SYMBIAN32__
1108 # include <string.h>
1111 /* This comes after <stdlib.h> so we don't try to change the standard
1112 * library prototypes; we'll use our own in proto.h instead. */
1115 # ifdef PERL_POLLUTE_MALLOC
1116 # ifndef PERL_EXTMALLOC_DEF
1117 # define Perl_malloc malloc
1118 # define Perl_calloc calloc
1119 # define Perl_realloc realloc
1120 # define Perl_mfree free
1123 # define EMBEDMYMALLOC /* for compatibility */
1126 # define safemalloc Perl_malloc
1127 # define safecalloc Perl_calloc
1128 # define saferealloc Perl_realloc
1129 # define safefree Perl_mfree
1130 # define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1131 if (!TAINTING_get && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1134 # define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1135 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1136 # define panic_write2(s) write(2, s, strlen(s))
1137 # define CHECK_MALLOC_TAINT(newval) \
1138 CHECK_MALLOC_TOO_LATE_FOR_( \
1140 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
1142 # define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
1143 if (doing_taint(argc,argv,env)) { \
1144 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1146 #else /* MYMALLOC */
1147 # define safemalloc safesysmalloc
1148 # define safecalloc safesyscalloc
1149 # define saferealloc safesysrealloc
1150 # define safefree safesysfree
1151 # define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1152 # define CHECK_MALLOC_TAINT(newval) ((void)0)
1153 # define MALLOC_CHECK_TAINT(argc,argv,env)
1154 #endif /* MYMALLOC */
1156 /* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
1157 #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)
1158 #define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1159 #define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1160 #define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1163 # define memzero(d,l) memset(d,0,l)
1167 # include <netinet/in.h>
1171 # include <arpa/inet.h>
1175 # include <sys/stat.h>
1178 /* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1179 This definition should ideally go into win32/win32.h, but S_IFIFO is
1180 used later here in perl.h before win32/win32.h is being included. */
1181 #if !defined(S_IFIFO) && defined(_S_IFIFO)
1182 # define S_IFIFO _S_IFIFO
1185 /* The stat macros for Unisoft System V/88 (and derivatives
1186 like UTekV) are broken, sometimes giving false positives. Undefine
1187 them here and let the code below set them to proper values.
1189 The ghs macro stands for GreenHills Software C-1.8.5 which
1190 is the C compiler for sysV88 and the various derivatives.
1191 This header file bug is corrected in gcc-2.5.8 and later versions.
1192 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1194 #if defined(m88k) && defined(ghs)
1206 # ifdef I_SYS_TIME_KERNEL
1209 # include <sys/time.h>
1210 # ifdef I_SYS_TIME_KERNEL
1215 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
1216 # include <sys/times.h>
1221 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
1222 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1225 #if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1226 # include <sys/socket.h>
1227 # if defined(USE_SOCKS) && defined(I_SOCKS)
1228 # if !defined(INCLUDE_PROTOTYPES)
1229 # define INCLUDE_PROTOTYPES /* for <socks.h> */
1230 # define PERL_SOCKS_NEED_PROTOTYPES
1233 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1234 # undef INCLUDE_PROTOTYPES
1235 # undef PERL_SOCKS_NEED_PROTOTYPES
1246 # include <net/errno.h>
1251 /* sockatmark() is so new (2001) that many places might have it hidden
1252 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1253 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
1254 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
1255 # if defined(__THROW) && defined(__GLIBC__)
1256 int sockatmark(int) __THROW;
1258 int sockatmark(int);
1262 #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. */
1263 EXTERN_C int fchdir(int);
1264 EXTERN_C int flock(int, int);
1265 EXTERN_C int fseeko(FILE *, off_t, int);
1266 EXTERN_C off_t ftello(FILE *);
1269 #if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1270 EXTERN_C char *crypt(const char *, const char *);
1273 #if defined(__cplusplus) && defined(__CYGWIN__)
1274 EXTERN_C char *crypt(const char *, const char *);
1278 # undef SETERRNO /* SOCKS might have defined this */
1282 # define SETERRNO(errcode,vmserrcode) \
1284 set_errno(errcode); \
1285 set_vaxc_errno(vmserrcode); \
1287 # define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1288 # define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1289 # define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1290 # define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1292 # define LIB_INVARG LIB$_INVARG
1293 # define RMS_DIR RMS$_DIR
1294 # define RMS_FAC RMS$_FAC
1295 # define RMS_FEX RMS$_FEX
1296 # define RMS_FNF RMS$_FNF
1297 # define RMS_IFI RMS$_IFI
1298 # define RMS_ISI RMS$_ISI
1299 # define RMS_PRV RMS$_PRV
1300 # define SS_ACCVIO SS$_ACCVIO
1301 # define SS_DEVOFFLINE SS$_DEVOFFLINE
1302 # define SS_IVCHAN SS$_IVCHAN
1303 # define SS_NORMAL SS$_NORMAL
1304 # define SS_NOPRIV SS$_NOPRIV
1305 # define SS_BUFFEROVF SS$_BUFFEROVF
1307 # define LIB_INVARG 0
1315 # define SS_ACCVIO 0
1316 # define SS_DEVOFFLINE 0
1317 # define SS_IVCHAN 0
1318 # define SS_NORMAL 0
1319 # define SS_NOPRIV 0
1320 # define SS_BUFFEROVF 0
1324 # define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1325 # define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1326 # define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1327 # define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1331 # define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1332 # define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1333 # define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1334 # define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1338 # define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1342 # define dSAVEDERRNO int saved_errno
1343 # define dSAVE_ERRNO int saved_errno = errno
1344 # define SAVE_ERRNO (saved_errno = errno)
1345 # define RESTORE_ERRNO (errno = saved_errno)
1348 #define ERRSV GvSVn(PL_errgv)
1350 /* contains inlined gv_add_by_type */
1351 #define CLEAR_ERRSV() STMT_START { \
1352 SV ** const svp = &GvSV(PL_errgv); \
1354 *svp = newSVpvs(""); \
1355 } else if (SvREADONLY(*svp)) { \
1356 SvREFCNT_dec_NN(*svp); \
1357 *svp = newSVpvs(""); \
1359 SV *const errsv = *svp; \
1361 SvPOK_only(errsv); \
1362 if (SvMAGICAL(errsv)) { \
1370 # define DEFSV (0 + GvSVn(PL_defgv))
1371 # define DEFSV_set(sv) \
1372 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1373 # define SAVE_DEFSV \
1375 save_gp(PL_defgv, 0), \
1376 GvINTRO_off(PL_defgv), \
1377 SAVEGENERICSV(GvSV(PL_defgv)), \
1378 GvSV(PL_defgv) = NULL \
1381 # define DEFSV GvSVn(PL_defgv)
1382 # define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1383 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
1387 extern int errno; /* ANSI allows errno to be an lvalue expr.
1388 * For example in multithreaded environments
1389 * something like this might happen:
1390 * extern int *_errno(void);
1391 * #define errno (*_errno()) */
1394 #define UNKNOWN_ERRNO_MSG "(unknown)"
1397 #define Strerror(e) strerror((e), vaxc$errno)
1399 #define Strerror(e) strerror(e)
1404 # include <sys/ioctl.h>
1408 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
1409 # ifdef HAS_SOCKETPAIR
1410 # undef HAS_SOCKETPAIR
1417 #ifndef HAS_SOCKETPAIR
1419 # define socketpair Perl_my_socketpair
1424 # define htoni htons
1425 # define ntohi ntohs
1427 # define htoni htonl
1428 # define ntohi ntohl
1431 /* Configure already sets Direntry_t */
1432 #if defined(I_DIRENT)
1433 # include <dirent.h>
1434 #elif defined(I_SYS_NDIR)
1435 # include <sys/ndir.h>
1436 #elif defined(I_SYS_DIR)
1437 # include <sys/dir.h>
1441 * The following gobbledygook brought to you on behalf of __STDC__.
1442 * (I could just use #ifndef __STDC__, but this is more bulletproof
1443 * in the face of half-implementations.)
1446 #if defined(I_SYSMODE)
1447 #include <sys/mode.h>
1452 # define S_IFMT _S_IFMT
1454 # define S_IFMT 0170000
1459 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1463 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1468 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1470 # define S_ISBLK(m) (0)
1475 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1480 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1482 # define S_ISFIFO(m) (0)
1488 # define S_ISLNK(m) _S_ISLNK(m)
1489 # elif defined(_S_IFLNK)
1490 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1491 # elif defined(S_IFLNK)
1492 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1494 # define S_ISLNK(m) (0)
1500 # define S_ISSOCK(m) _S_ISSOCK(m)
1501 # elif defined(_S_IFSOCK)
1502 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1503 # elif defined(S_IFSOCK)
1504 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1506 # define S_ISSOCK(m) (0)
1512 # define S_IRUSR S_IREAD
1513 # define S_IWUSR S_IWRITE
1514 # define S_IXUSR S_IEXEC
1516 # define S_IRUSR 0400
1517 # define S_IWUSR 0200
1518 # define S_IXUSR 0100
1524 # define S_IRGRP (S_IRUSR>>3)
1525 # define S_IWGRP (S_IWUSR>>3)
1526 # define S_IXGRP (S_IXUSR>>3)
1528 # define S_IRGRP 0040
1529 # define S_IWGRP 0020
1530 # define S_IXGRP 0010
1536 # define S_IROTH (S_IRUSR>>6)
1537 # define S_IWOTH (S_IWUSR>>6)
1538 # define S_IXOTH (S_IXUSR>>6)
1540 # define S_IROTH 0040
1541 # define S_IWOTH 0020
1542 # define S_IXOTH 0010
1547 # define S_ISUID 04000
1551 # define S_ISGID 02000
1555 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
1559 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
1563 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
1566 /* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1567 * which would get included through <sys/file.h >, but that is 3000
1568 * lines in the future. --jhi */
1570 #if !defined(S_IREAD) && !defined(__HAIKU__)
1571 # define S_IREAD S_IRUSR
1574 #if !defined(S_IWRITE) && !defined(__HAIKU__)
1575 # define S_IWRITE S_IWUSR
1579 # define S_IEXEC S_IXUSR
1582 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
1583 # define SLOPPYDIVIDE
1590 /* This used to be conditionally defined based on whether we had a sprintf()
1591 * that correctly returns the string length (as required by C89), but we no
1592 * longer need that. XS modules can (and do) use this name, so it must remain
1593 * a part of the API that's visible to modules. But we no longer document it
1594 * either (because using sprintf() rather than snprintf() is almost always
1596 #define my_sprintf sprintf
1599 * If we have v?snprintf() and the C99 variadic macros, we can just
1600 * use just the v?snprintf(). It is nice to try to trap the buffer
1601 * overflow, however, so if we are DEBUGGING, and we cannot use the
1602 * gcc statement expressions, then use the function wrappers which try
1603 * to trap the overflow. If we can use the gcc statement expressions,
1604 * we can try that even with the version that uses the C99 variadic
1608 /* Note that we do not check against snprintf()/vsnprintf() returning
1609 * negative values because that is non-standard behaviour and we use
1610 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1611 * that should be true only if the snprintf()/vsnprintf() are true
1612 * to the standard. */
1614 #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
1617 # define my_snprintf Perl_my_snprintf
1618 # define PERL_MY_SNPRINTF_GUARDED
1619 #elif defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1620 # ifdef PERL_USE_GCC_BRACE_GROUPS
1621 # define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1622 # define PERL_MY_SNPRINTF_GUARDED
1624 # define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
1627 # define my_snprintf Perl_my_snprintf
1628 # define PERL_MY_SNPRINTF_GUARDED
1631 /* There is no quadmath_vsnprintf, and therefore my_vsnprintf()
1632 * dies if called under USE_QUADMATH. */
1633 #if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1634 # ifdef PERL_USE_GCC_BRACE_GROUPS
1635 # define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1636 # define PERL_MY_VSNPRINTF_GUARDED
1638 # define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
1641 # define my_vsnprintf Perl_my_vsnprintf
1642 # define PERL_MY_VSNPRINTF_GUARDED
1645 /* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1646 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1647 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1648 * completely ignore it: otherwise you cannot know whether your output
1651 * int len = my_sprintf(buf, max, ...);
1652 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1654 * The trick is that in certain platforms [a] the my_sprintf() already
1655 * contains the sanity check, while in certain platforms [b] it needs
1656 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1657 * platforms the POST_GUARD actually does nothing since the check has
1658 * already been done. Watch out for the max being the same in both calls.
1660 * If you actually use the snprintf/vsnprintf return value already,
1661 * you assumedly are checking its validity somehow. But you can
1662 * insert the POST_GUARD() also in that case. */
1664 #ifndef PERL_MY_SNPRINTF_GUARDED
1665 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1667 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1670 #ifndef PERL_MY_VSNPRINTF_GUARDED
1671 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1673 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1677 # define my_strlcat strlcat
1679 # define my_strlcat Perl_my_strlcat
1682 #if defined(PERL_CORE) || defined(PERL_EXT)
1684 # define my_memrchr memrchr
1686 # define my_memrchr S_my_memrchr
1691 # define my_strlcpy strlcpy
1693 # define my_strlcpy Perl_my_strlcpy
1697 # define my_strnlen strnlen
1699 # define my_strnlen Perl_my_strnlen
1703 The IV type is supposed to be long enough to hold any integral
1705 --Andy Dougherty August 1996
1711 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
1712 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
1713 # define IV_MAX INT64_MAX
1714 # define IV_MIN INT64_MIN
1715 # define UV_MAX UINT64_MAX
1717 # define UINT64_MIN 0
1719 # define UV_MIN UINT64_MIN
1721 # define IV_MAX PERL_QUAD_MAX
1722 # define IV_MIN PERL_QUAD_MIN
1723 # define UV_MAX PERL_UQUAD_MAX
1724 # define UV_MIN PERL_UQUAD_MIN
1729 # if defined(INT32_MAX) && IVSIZE == 4
1730 # define IV_MAX INT32_MAX
1731 # define IV_MIN INT32_MIN
1732 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1733 # define UV_MAX UINT32_MAX
1735 # define UV_MAX 4294967295U
1738 # define UINT32_MIN 0
1740 # define UV_MIN UINT32_MIN
1742 # define IV_MAX PERL_LONG_MAX
1743 # define IV_MIN PERL_LONG_MIN
1744 # define UV_MAX PERL_ULONG_MAX
1745 # define UV_MIN PERL_ULONG_MIN
1756 #if !defined(PERL_CORE) || defined(USING_MSVC6)
1757 /* We think that removing this decade-old undef this will cause too much
1758 breakage on CPAN for too little gain. (See RT #119753)
1759 However, we do need HAS_QUAD in the core for use by the drand48 code,
1760 but not for Win32 VC6 because it has poor __int64 support. */
1766 #define Size_t_MAX (~(Size_t)0)
1767 #define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1)
1769 #define IV_DIG (BIT_DIGITS(IVSIZE * 8))
1770 #define UV_DIG (BIT_DIGITS(UVSIZE * 8))
1772 #ifndef NO_PERL_PRESERVE_IVUV
1773 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
1777 * The macros INT2PTR and NUM2PTR are (despite their names)
1778 * bi-directional: they will convert int/float to or from pointers.
1779 * However the conversion to int/float are named explicitly:
1780 * PTR2IV, PTR2UV, PTR2NV.
1782 * For int conversions we do not need two casts if pointers are
1783 * the same size as IV and UV. Otherwise we need an explicit
1784 * cast (PTRV) to avoid compiler warnings.
1786 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1788 # define INT2PTR(any,d) (any)(d)
1789 #elif PTRSIZE == LONGSIZE
1790 # define PTRV unsigned long
1791 # define PTR2ul(p) (unsigned long)(p)
1793 # define PTRV unsigned
1797 # define INT2PTR(any,d) (any)(PTRV)(d)
1801 # define PTR2ul(p) INT2PTR(unsigned long,p)
1804 #define NUM2PTR(any,d) (any)(PTRV)(d)
1805 #define PTR2IV(p) INT2PTR(IV,p)
1806 #define PTR2UV(p) INT2PTR(UV,p)
1807 #define PTR2NV(p) NUM2PTR(NV,p)
1808 #define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
1810 /* According to strict ANSI C89 one cannot freely cast between
1811 * data pointers and function (code) pointers. There are at least
1812 * two ways around this. One (used below) is to do two casts,
1813 * first the other pointer to an (unsigned) integer, and then
1814 * the integer to the other pointer. The other way would be
1815 * to use unions to "overlay" the pointers. For an example of
1816 * the latter technique, see union dirpu in struct xpvio in sv.h.
1817 * The only feasible use is probably temporarily storing
1818 * function pointers in a data pointer (such as a void pointer). */
1820 #define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1821 #define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
1823 #ifdef USE_LONG_DOUBLE
1824 # if LONG_DOUBLESIZE == DOUBLESIZE
1825 # define LONG_DOUBLE_EQUALS_DOUBLE
1826 # undef USE_LONG_DOUBLE /* Ouch! */
1830 /* The following is all to get LDBL_DIG, in order to pick a nice
1831 default value for printing floating point numbers in Gconvert.
1834 #ifndef HAS_LDBL_DIG
1835 # if LONG_DOUBLESIZE == 10
1836 # define LDBL_DIG 18 /* assume IEEE */
1837 # elif LONG_DOUBLESIZE == 12
1838 # define LDBL_DIG 18 /* gcc? */
1839 # elif LONG_DOUBLESIZE == 16
1840 # define LDBL_DIG 33 /* assume IEEE */
1841 # elif LONG_DOUBLESIZE == DOUBLESIZE
1842 # define LDBL_DIG DBL_DIG /* bummer */
1849 # include <ieeefp.h>
1853 /* VC6 has broken NaN semantics: NaN == NaN returns true instead of false,
1854 * and for example NaN < IV_MIN. */
1855 # define NAN_COMPARE_BROKEN
1857 #if defined(__DECC) && defined(__osf__)
1858 /* Also Tru64 cc has broken NaN comparisons. */
1859 # define NAN_COMPARE_BROKEN
1862 # define NAN_COMPARE_BROKEN
1865 #ifdef USE_LONG_DOUBLE
1867 # include <sunmath.h>
1869 # if defined(LDBL_DIG)
1870 # define NV_DIG LDBL_DIG
1871 # ifdef LDBL_MANT_DIG
1872 # define NV_MANT_DIG LDBL_MANT_DIG
1875 # define NV_MIN LDBL_MIN
1878 # define NV_MAX LDBL_MAX
1880 # ifdef LDBL_MIN_EXP
1881 # define NV_MIN_EXP LDBL_MIN_EXP
1883 # ifdef LDBL_MAX_EXP
1884 # define NV_MAX_EXP LDBL_MAX_EXP
1886 # ifdef LDBL_MIN_10_EXP
1887 # define NV_MIN_10_EXP LDBL_MIN_10_EXP
1889 # ifdef LDBL_MAX_10_EXP
1890 # define NV_MAX_10_EXP LDBL_MAX_10_EXP
1892 # ifdef LDBL_EPSILON
1893 # define NV_EPSILON LDBL_EPSILON
1896 # define NV_MAX LDBL_MAX
1897 /* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
1898 # elif defined(HUGE_VALL)
1899 # define NV_MAX HUGE_VALL
1902 # if defined(HAS_SQRTL)
1903 # define Perl_acos acosl
1904 # define Perl_asin asinl
1905 # define Perl_atan atanl
1906 # define Perl_atan2 atan2l
1907 # define Perl_ceil ceill
1908 # define Perl_cos cosl
1909 # define Perl_cosh coshl
1910 # define Perl_exp expl
1911 /* no Perl_fabs, but there's PERL_ABS */
1912 # define Perl_floor floorl
1913 # define Perl_fmod fmodl
1914 # define Perl_log logl
1915 # define Perl_log10 log10l
1916 # define Perl_pow powl
1917 # define Perl_sin sinl
1918 # define Perl_sinh sinhl
1919 # define Perl_sqrt sqrtl
1920 # define Perl_tan tanl
1921 # define Perl_tanh tanhl
1923 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1926 # define Perl_modf(x,y) modfl(x,y)
1927 /* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1928 prototype in <math.h> */
1929 # ifndef HAS_MODFL_PROTO
1930 EXTERN_C long double modfl(long double, long double *);
1932 # elif (defined(HAS_TRUNCL) || defined(HAS_AINTL)) && defined(HAS_COPYSIGNL)
1933 extern long double Perl_my_modfl(long double x, long double *ip);
1934 # define Perl_modf(x,y) Perl_my_modfl(x,y)
1939 # define Perl_frexp(x,y) frexpl(x,y)
1940 # elif defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1941 extern long double Perl_my_frexpl(long double x, int *e);
1942 # define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1947 # define Perl_ldexp(x, y) ldexpl(x,y)
1948 # elif defined(HAS_SCALBNL) && FLT_RADIX == 2
1949 # define Perl_ldexp(x,y) scalbnl(x,y)
1953 # if defined(HAS_ISNANL) && !(defined(isnan) && defined(HAS_C99))
1954 # define Perl_isnan(x) isnanl(x)
1955 # elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */
1956 # define Perl_isnan(x) isnan(x)
1960 # if defined(HAS_ISINFL) && !(defined(isinf) && defined(HAS_C99))
1961 # define Perl_isinf(x) isinfl(x)
1962 # elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */
1963 # define Perl_isinf(x) isinf(x)
1964 # elif defined(LDBL_MAX) && !defined(NAN_COMPARE_BROKEN)
1965 # define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX)
1968 # ifndef Perl_isfinite
1969 # define Perl_isfinite(x) Perl_isfinitel(x)
1971 #elif defined(USE_QUADMATH) && defined(I_QUADMATH)
1972 # include <quadmath.h>
1973 # define NV_DIG FLT128_DIG
1974 # define NV_MANT_DIG FLT128_MANT_DIG
1975 # define NV_MIN FLT128_MIN
1976 # define NV_MAX FLT128_MAX
1977 # define NV_MIN_EXP FLT128_MIN_EXP
1978 # define NV_MAX_EXP FLT128_MAX_EXP
1979 # define NV_EPSILON FLT128_EPSILON
1980 # define NV_MIN_10_EXP FLT128_MIN_10_EXP
1981 # define NV_MAX_10_EXP FLT128_MAX_10_EXP
1982 # define Perl_acos acosq
1983 # define Perl_asin asinq
1984 # define Perl_atan atanq
1985 # define Perl_atan2 atan2q
1986 # define Perl_ceil ceilq
1987 # define Perl_cos cosq
1988 # define Perl_cosh coshq
1989 # define Perl_exp expq
1990 /* no Perl_fabs, but there's PERL_ABS */
1991 # define Perl_floor floorq
1992 # define Perl_fmod fmodq
1993 # define Perl_log logq
1994 # define Perl_log10 log10q
1995 # define Perl_signbit signbitq
1996 # define Perl_pow powq
1997 # define Perl_sin sinq
1998 # define Perl_sinh sinhq
1999 # define Perl_sqrt sqrtq
2000 # define Perl_tan tanq
2001 # define Perl_tanh tanhq
2002 # define Perl_modf(x,y) modfq(x,y)
2003 # define Perl_frexp(x,y) frexpq(x,y)
2004 # define Perl_ldexp(x, y) ldexpq(x,y)
2005 # define Perl_isinf(x) isinfq(x)
2006 # define Perl_isnan(x) isnanq(x)
2007 # define Perl_isfinite(x) !(isnanq(x) || isinfq(x))
2008 # define Perl_fp_class(x) ((x) == 0.0Q ? 0 : isinfq(x) ? 3 : isnanq(x) ? 4 : PERL_ABS(x) < FLT128_MIN ? 2 : 1)
2009 # define Perl_fp_class_inf(x) (Perl_fp_class(x) == 3)
2010 # define Perl_fp_class_nan(x) (Perl_fp_class(x) == 4)
2011 # define Perl_fp_class_norm(x) (Perl_fp_class(x) == 1)
2012 # define Perl_fp_class_denorm(x) (Perl_fp_class(x) == 2)
2013 # define Perl_fp_class_zero(x) (Perl_fp_class(x) == 0)
2015 # define NV_DIG DBL_DIG
2016 # define NV_MANT_DIG DBL_MANT_DIG
2017 # define NV_MIN DBL_MIN
2018 # define NV_MAX DBL_MAX
2019 # define NV_MIN_EXP DBL_MIN_EXP
2020 # define NV_MAX_EXP DBL_MAX_EXP
2021 # define NV_MIN_10_EXP DBL_MIN_10_EXP
2022 # define NV_MAX_10_EXP DBL_MAX_10_EXP
2023 # define NV_EPSILON DBL_EPSILON
2024 # define NV_MAX DBL_MAX
2025 # define NV_MIN DBL_MIN
2027 /* These math interfaces are C89. */
2028 # define Perl_acos acos
2029 # define Perl_asin asin
2030 # define Perl_atan atan
2031 # define Perl_atan2 atan2
2032 # define Perl_ceil ceil
2033 # define Perl_cos cos
2034 # define Perl_cosh cosh
2035 # define Perl_exp exp
2036 /* no Perl_fabs, but there's PERL_ABS */
2037 # define Perl_floor floor
2038 # define Perl_fmod fmod
2039 # define Perl_log log
2040 # define Perl_log10 log10
2041 # define Perl_pow pow
2042 # define Perl_sin sin
2043 # define Perl_sinh sinh
2044 # define Perl_sqrt sqrt
2045 # define Perl_tan tan
2046 # define Perl_tanh tanh
2048 # define Perl_modf(x,y) modf(x,y)
2049 # define Perl_frexp(x,y) frexp(x,y)
2050 # define Perl_ldexp(x,y) ldexp(x,y)
2054 # define Perl_isnan(x) isnan(x)
2058 # if defined(HAS_ISINF)
2059 # define Perl_isinf(x) isinf(x)
2060 # elif defined(DBL_MAX) && !defined(NAN_COMPARE_BROKEN)
2061 # define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX)
2064 # ifndef Perl_isfinite
2065 # ifdef HAS_ISFINITE
2066 # define Perl_isfinite(x) isfinite(x)
2067 # elif defined(HAS_FINITE)
2068 # define Perl_isfinite(x) finite(x)
2073 /* fpclassify(): C99. It is supposed to be a macro that switches on
2074 * the sizeof() of its argument, so there's no need for e.g. fpclassifyl().*/
2075 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2077 # if defined(FP_INFINITE) && defined(FP_NAN)
2078 # define Perl_fp_class(x) fpclassify(x)
2079 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2080 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2081 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2082 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2083 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2084 # elif defined(FP_PLUS_INF) && defined(FP_QNAN)
2085 /* Some versions of HP-UX (10.20) have (only) fpclassify() but which is
2086 * actually not the C99 fpclassify, with its own set of return defines. */
2087 # define Perl_fp_class(x) fpclassify(x)
2088 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2089 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2090 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2091 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2092 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2093 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2094 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2095 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2096 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2097 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2099 # undef Perl_fp_class /* Unknown set of defines */
2103 /* fp_classify(): Legacy: VMS, maybe Unicos? The values, however,
2104 * are identical to the C99 fpclassify(). */
2105 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASSIFY)
2108 /* FP_INFINITE and others are here rather than in math.h as C99 stipulates */
2110 /* oh, and the isnormal macro has a typo in it! */
2112 # define isnormal(x) Perl_fp_class_norm(x)
2114 # if defined(FP_INFINITE) && defined(FP_NAN)
2115 # define Perl_fp_class(x) fp_classify(x)
2116 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2117 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2118 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2119 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2120 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2122 # undef Perl_fp_class /* Unknown set of defines */
2126 /* Feel free to check with me for the SGI manpages, SGI testing,
2127 * etcetera, if you want to try getting this to work with IRIX.
2129 * - Allen <allens@cpan.org> */
2131 /* fpclass(): SysV, at least Solaris and some versions of IRIX. */
2132 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2133 /* Solaris and IRIX have fpclass/fpclassl, but they are using
2134 * an enum typedef, not cpp symbols, and Configure doesn't detect that.
2135 * Define some symbols also as cpp symbols so we can detect them. */
2136 # if defined(__sun) || defined(__sgi) /* XXX Configure test instead */
2137 # define FP_PINF FP_PINF
2138 # define FP_QNAN FP_QNAN
2142 # include <ieeefp.h>
2147 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2148 # define Perl_fp_class(x) fpclassl(x)
2150 # define Perl_fp_class(x) fpclass(x)
2152 # if defined(FP_CLASS_PINF) && defined(FP_CLASS_SNAN)
2153 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2154 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2155 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2156 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2157 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2158 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2159 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2160 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2161 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2162 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2163 # elif defined(FP_PINF) && defined(FP_QNAN)
2164 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2165 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2166 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NINF)
2167 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PINF)
2168 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NNORM)
2169 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PNORM)
2170 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NDENORM)
2171 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PDENORM)
2172 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NZERO)
2173 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PZERO)
2175 # undef Perl_fp_class /* Unknown set of defines */
2179 /* fp_class(): Legacy: at least Tru64, some versions of IRIX. */
2180 #if !defined(Perl_fp_class) && (defined(HAS_FP_CLASS)||defined(HAS_FP_CLASSL))
2182 # if !defined(FP_SNAN) && defined(I_FP_CLASS)
2183 # include <fp_class.h>
2185 # if defined(FP_POS_INF) && defined(FP_QNAN)
2186 # ifdef __sgi /* XXX Configure test instead */
2187 # ifdef USE_LONG_DOUBLE
2188 # define Perl_fp_class(x) fp_class_l(x)
2190 # define Perl_fp_class(x) fp_class_d(x)
2193 # if defined(USE_LONG_DOUBLE) && defined(HAS_FP_CLASSL)
2194 # define Perl_fp_class(x) fp_classl(x)
2196 # define Perl_fp_class(x) fp_class(x)
2199 # if defined(FP_POS_INF) && defined(FP_QNAN)
2200 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2201 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2202 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NEG_INF)
2203 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_POS_INF)
2204 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NEG_NORM)
2205 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_POS_NORM)
2206 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NEG_DENORM)
2207 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_POS_DENORM)
2208 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NEG_ZERO)
2209 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_POS_ZERO)
2211 # undef Perl_fp_class /* Unknown set of defines */
2216 /* class(), _class(): Legacy: AIX. */
2217 #if !defined(Perl_fp_class) && defined(HAS_CLASS)
2219 # if defined(FP_PLUS_NORM) && defined(FP_PLUS_INF)
2221 # define Perl_fp_class(x) class(x)
2223 # define Perl_fp_class(x) _class(x)
2225 # if defined(FP_PLUS_INF) && defined(FP_NANQ)
2226 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2227 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2228 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2229 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2230 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2231 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2232 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2233 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2234 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2235 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2237 # undef Perl_fp_class /* Unknown set of defines */
2242 /* Win32: _fpclass(), _isnan(), _finite(). */
2245 # define Perl_isnan(x) _isnan(x)
2247 # ifndef Perl_isfinite
2248 # define Perl_isfinite(x) _finite(x)
2250 # ifndef Perl_fp_class_snan
2251 /* No simple way to #define Perl_fp_class because _fpclass()
2252 * returns a set of bits. */
2253 # define Perl_fp_class_snan(x) (_fpclass(x) & _FPCLASS_SNAN)
2254 # define Perl_fp_class_qnan(x) (_fpclass(x) & _FPCLASS_QNAN)
2255 # define Perl_fp_class_nan(x) (_fpclass(x) & (_FPCLASS_SNAN|_FPCLASS_QNAN))
2256 # define Perl_fp_class_ninf(x) (_fpclass(x) & _FPCLASS_NINF))
2257 # define Perl_fp_class_pinf(x) (_fpclass(x) & _FPCLASS_PINF))
2258 # define Perl_fp_class_inf(x) (_fpclass(x) & (_FPCLASS_NINF|_FPCLASS_PINF))
2259 # define Perl_fp_class_nnorm(x) (_fpclass(x) & _FPCLASS_NN)
2260 # define Perl_fp_class_pnorm(x) (_fpclass(x) & _FPCLASS_PN)
2261 # define Perl_fp_class_norm(x) (_fpclass(x) & (_FPCLASS_NN|_FPCLASS_PN))
2262 # define Perl_fp_class_ndenorm(x) (_fpclass(x) & _FPCLASS_ND)
2263 # define Perl_fp_class_pdenorm(x) (_fpclass(x) & _FPCLASS_PD)
2264 # define Perl_fp_class_denorm(x) (_fpclass(x) & (_FPCLASS_ND|_FPCLASS_PD))
2265 # define Perl_fp_class_nzero(x) (_fpclass(x) & _FPCLASS_NZ)
2266 # define Perl_fp_class_pzero(x) (_fpclass(x) & _FPCLASS_PZ)
2267 # define Perl_fp_class_zero(x) (_fpclass(x) & (_FPCLASS_NZ|_FPCLASS_PZ))
2271 #if !defined(Perl_fp_class_inf) && \
2272 defined(Perl_fp_class_pinf) && defined(Perl_fp_class_ninf)
2273 # define Perl_fp_class_inf(x) \
2274 (Perl_fp_class_pinf(x) || Perl_fp_class_ninf(x))
2277 #if !defined(Perl_fp_class_nan) && \
2278 defined(Perl_fp_class_snan) && defined(Perl_fp_class_qnan)
2279 # define Perl_fp_class_nan(x) \
2280 (Perl_fp_class_snan(x) || Perl_fp_class_qnan(x))
2283 #if !defined(Perl_fp_class_zero) && \
2284 defined(Perl_fp_class_pzero) && defined(Perl_fp_class_nzero)
2285 # define Perl_fp_class_zero(x) \
2286 (Perl_fp_class_pzero(x) || Perl_fp_class_nzero(x))
2289 #if !defined(Perl_fp_class_norm) && \
2290 defined(Perl_fp_class_pnorm) && defined(Perl_fp_class_nnorm)
2291 # define Perl_fp_class_norm(x) \
2292 (Perl_fp_class_pnorm(x) || Perl_fp_class_nnorm(x))
2295 #if !defined(Perl_fp_class_denorm) && \
2296 defined(Perl_fp_class_pdenorm) && defined(Perl_fp_class_ndenorm)
2297 # define Perl_fp_class_denorm(x) \
2298 (Perl_fp_class_pdenorm(x) || Perl_fp_class_ndenorm(x))
2302 int isnan(double d);
2306 # ifdef Perl_fp_class_nan
2307 # define Perl_isnan(x) Perl_fp_class_nan(x)
2308 # elif defined(HAS_UNORDERED)
2309 # define Perl_isnan(x) unordered((x), 0.0)
2311 # define Perl_isnan(x) ((x)!=(x))
2316 # ifdef Perl_fp_class_inf
2317 # define Perl_isinf(x) Perl_fp_class_inf(x)
2321 #ifndef Perl_isfinite
2322 # if defined(HAS_ISFINITE) && !defined(isfinite)
2323 # define Perl_isfinite(x) isfinite((double)(x))
2324 # elif defined(HAS_FINITE)
2325 # define Perl_isfinite(x) finite((double)(x))
2326 # elif defined(Perl_fp_class_finite)
2327 # define Perl_isfinite(x) Perl_fp_class_finite(x)
2329 /* For the infinities the multiplication returns nan,
2330 * for the nan the multiplication also returns nan,
2331 * for everything else (that is, finite) zero should be returned. */
2332 # define Perl_isfinite(x) (((x) * 0) == 0)
2337 # if defined(Perl_isfinite) && defined(Perl_isnan)
2338 # define Perl_isinf(x) !(Perl_isfinite(x)||Perl_isnan(x))
2342 /* We need Perl_isfinitel (ends with ell) (if available) even when
2343 * not USE_LONG_DOUBLE because the printf code (sv_catpvfn_flags)
2345 #if defined(HAS_LONG_DOUBLE) && !defined(Perl_isfinitel)
2346 /* If isfinite() is a macro and looks like we have C99,
2347 * we assume it's the type-aware C99 isfinite(). */
2348 # if defined(HAS_ISFINITE) && defined(isfinite) && defined(HAS_C99)
2349 # define Perl_isfinitel(x) isfinite(x)
2350 # elif defined(HAS_ISFINITEL)
2351 # define Perl_isfinitel(x) isfinitel(x)
2352 # elif defined(HAS_FINITEL)
2353 # define Perl_isfinitel(x) finitel(x)
2354 # elif defined(HAS_INFL) && defined(HAS_NANL)
2355 # define Perl_isfinitel(x) !(isinfl(x)||isnanl(x))
2357 # define Perl_isfinitel(x) ((x) * 0 == 0) /* See Perl_isfinite. */
2361 /* The default is to use Perl's own atof() implementation (in numeric.c).
2362 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2363 * it is however best to use the native implementation of atof.
2364 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2365 * Some good tests to try out with either setting are t/base/num.t,
2366 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2367 * you may need to be using a different function than atof! */
2369 #ifndef USE_PERL_ATOF
2371 # define USE_PERL_ATOF
2374 # if USE_PERL_ATOF == 0
2375 # undef USE_PERL_ATOF
2379 #ifdef USE_PERL_ATOF
2380 # define Perl_atof(s) Perl_my_atof(s)
2381 # define Perl_atof2(s, n) Perl_my_atof3(aTHX_ (s), &(n), 0)
2383 # define Perl_atof(s) (NV)atof(s)
2384 # define Perl_atof2(s, n) ((n) = atof(s))
2386 #define my_atof2(a,b) my_atof3(a,b,0)
2389 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2390 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2391 * depending on local options. Until Configure detects this (or at least
2392 * detects whether the "signed" keyword is available) the CHAR ranges
2393 * will not be included. UCHAR functions normally.
2397 #define PERL_UCHAR_MIN ((unsigned char)0)
2398 #define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
2400 #define PERL_USHORT_MIN ((unsigned short)0)
2401 #define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2403 #define PERL_SHORT_MAX ((short)SHRT_MAX)
2404 #define PERL_SHORT_MIN ((short)SHRT_MIN)
2406 #define PERL_UINT_MAX ((unsigned int)UINT_MAX)
2407 #define PERL_UINT_MIN ((unsigned int)0)
2409 #define PERL_INT_MAX ((int)INT_MAX)
2410 #define PERL_INT_MIN ((int)INT_MIN)
2412 #define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
2413 #define PERL_ULONG_MIN ((unsigned long)0L)
2415 #define PERL_LONG_MAX ((long)LONG_MAX)
2416 #define PERL_LONG_MIN ((long)LONG_MIN)
2419 # define PERL_UQUAD_MAX (~(UV)0)
2420 # define PERL_UQUAD_MIN ((UV)0)
2421 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
2422 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
2425 typedef MEM_SIZE STRLEN;
2427 typedef struct op OP;
2428 typedef struct cop COP;
2429 typedef struct unop UNOP;
2430 typedef struct unop_aux UNOP_AUX;
2431 typedef struct binop BINOP;
2432 typedef struct listop LISTOP;
2433 typedef struct logop LOGOP;
2434 typedef struct pmop PMOP;
2435 typedef struct svop SVOP;
2436 typedef struct padop PADOP;
2437 typedef struct pvop PVOP;
2438 typedef struct loop LOOP;
2439 typedef struct methop METHOP;
2442 typedef struct opslab OPSLAB;
2443 typedef struct opslot OPSLOT;
2446 typedef struct block_hooks BHK;
2447 typedef struct custom_op XOP;
2449 typedef struct interpreter PerlInterpreter;
2451 /* SGI's <sys/sema.h> has struct sv */
2453 # define STRUCT_SV perl_sv
2455 # define STRUCT_SV sv
2457 typedef struct STRUCT_SV SV;
2458 typedef struct av AV;
2459 typedef struct hv HV;
2460 typedef struct cv CV;
2461 typedef struct p5rx REGEXP;
2462 typedef struct gp GP;
2463 typedef struct gv GV;
2464 typedef struct io IO;
2465 typedef struct context PERL_CONTEXT;
2466 typedef struct block BLOCK;
2468 typedef struct magic MAGIC;
2469 typedef struct xpv XPV;
2470 typedef struct xpviv XPVIV;
2471 typedef struct xpvuv XPVUV;
2472 typedef struct xpvnv XPVNV;
2473 typedef struct xpvmg XPVMG;
2474 typedef struct xpvlv XPVLV;
2475 typedef struct xpvinvlist XINVLIST;
2476 typedef struct xpvav XPVAV;
2477 typedef struct xpvhv XPVHV;
2478 typedef struct xpvgv XPVGV;
2479 typedef struct xpvcv XPVCV;
2480 typedef struct xpvbm XPVBM;
2481 typedef struct xpvfm XPVFM;
2482 typedef struct xpvio XPVIO;
2483 typedef struct mgvtbl MGVTBL;
2484 typedef union any ANY;
2485 typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2486 typedef struct ptr_tbl PTR_TBL_t;
2487 typedef struct clone_params CLONE_PARAMS;
2489 /* a pad is currently just an AV; but that might change,
2490 * so hide the type. */
2491 typedef struct padlist PADLIST;
2493 typedef struct padnamelist PADNAMELIST;
2494 typedef struct padname PADNAME;
2496 /* always enable PERL_OP_PARENT */
2497 #if !defined(PERL_OP_PARENT)
2498 # define PERL_OP_PARENT
2501 /* enable PERL_COPY_ON_WRITE by default */
2502 #if !defined(PERL_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2503 # define PERL_COPY_ON_WRITE
2506 #ifdef PERL_COPY_ON_WRITE
2507 # define PERL_ANY_COW
2509 # define PERL_SAWAMPERSAND
2512 #if defined(PERL_DEBUG_READONLY_OPS) && !defined(USE_ITHREADS)
2513 # error PERL_DEBUG_READONLY_OPS only works with ithreads
2517 #include "charclass_invlists.h"
2519 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
2520 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2521 # define USE_64_BIT_RAWIO /* implicit */
2525 /* Notice the use of HAS_FSEEKO: now we are obligated to always use
2526 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2527 * however, because operating systems like to do that themself. */
2530 # define FSEEKSIZE LSEEKSIZE
2532 # define FSEEKSIZE LONGSIZE
2536 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
2537 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2538 # define USE_64_BIT_STDIO /* implicit */
2542 #ifdef USE_64_BIT_RAWIO
2545 # define Off_t off64_t
2547 # define LSEEKSIZE 8
2549 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2550 * will trigger defines like the ones below. Some 64-bit environments,
2551 * however, do not. Therefore we have to explicitly mix and match. */
2552 # if defined(USE_OPEN64)
2553 # define open open64
2555 # if defined(USE_LSEEK64)
2556 # define lseek lseek64
2558 # if defined(USE_LLSEEK)
2559 # define lseek llseek
2562 # if defined(USE_STAT64)
2563 # define stat stat64
2565 # if defined(USE_FSTAT64)
2566 # define fstat fstat64
2568 # if defined(USE_LSTAT64)
2569 # define lstat lstat64
2571 # if defined(USE_FLOCK64)
2572 # define flock flock64
2574 # if defined(USE_LOCKF64)
2575 # define lockf lockf64
2577 # if defined(USE_FCNTL64)
2578 # define fcntl fcntl64
2580 # if defined(USE_TRUNCATE64)
2581 # define truncate truncate64
2583 # if defined(USE_FTRUNCATE64)
2584 # define ftruncate ftruncate64
2588 #ifdef USE_64_BIT_STDIO
2589 # ifdef HAS_FPOS64_T
2591 # define Fpos_t fpos64_t
2593 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2594 * will trigger defines like the ones below. Some 64-bit environments,
2595 * however, do not. */
2596 # if defined(USE_FOPEN64)
2597 # define fopen fopen64
2599 # if defined(USE_FSEEK64)
2600 # define fseek fseek64 /* don't do fseeko here, see perlio.c */
2602 # if defined(USE_FTELL64)
2603 # define ftell ftell64 /* don't do ftello here, see perlio.c */
2605 # if defined(USE_FSETPOS64)
2606 # define fsetpos fsetpos64
2608 # if defined(USE_FGETPOS64)
2609 # define fgetpos fgetpos64
2611 # if defined(USE_TMPFILE64)
2612 # define tmpfile tmpfile64
2614 # if defined(USE_FREOPEN64)
2615 # define freopen freopen64
2620 # include "iperlsys.h"
2625 # include "os2ish.h"
2627 # include "dosish.h"
2630 # include "vmsish.h"
2631 #elif defined(PLAN9)
2632 # include "./plan9/plan9ish.h"
2633 #elif defined(__VOS__)
2635 # include "./vos/vosish.h"
2637 # include "vos/vosish.h"
2639 #elif defined(__SYMBIAN32__)
2640 # include "symbian/symbianish.h"
2641 #elif defined(__HAIKU__)
2642 # include "haiku/haikuish.h"
2644 # include "unixish.h"
2648 # include "amigaos.h"
2649 # undef FD_CLOEXEC /* a lie in AmigaOS */
2652 /* NSIG logic from Configure --> */
2655 # define NSIG (_NSIG)
2656 # elif defined(SIGMAX)
2657 # define NSIG (SIGMAX+1)
2658 # elif defined(SIG_MAX)
2659 # define NSIG (SIG_MAX+1)
2660 # elif defined(_SIG_MAX)
2661 # define NSIG (_SIG_MAX+1)
2662 # elif defined(MAXSIG)
2663 # define NSIG (MAXSIG+1)
2664 # elif defined(MAX_SIG)
2665 # define NSIG (MAX_SIG+1)
2666 # elif defined(SIGARRAYSIZE)
2667 # define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2668 # elif defined(_sys_nsig)
2669 # define NSIG (_sys_nsig) /* Solaris 2.5 */
2671 /* Default to some arbitrary number that's big enough to get most
2672 * of the common signals. */
2676 /* <-- NSIG logic from Configure */
2678 #ifndef NO_ENVIRON_ARRAY
2679 # define USE_ENVIRON_ARRAY
2683 * initialise to avoid floating-point exceptions from overflow, etc
2685 #ifndef PERL_FPU_INIT
2686 # ifdef HAS_FPSETMASK
2687 # if HAS_FLOATINGPOINT_H
2688 # include <floatingpoint.h>
2690 /* Some operating systems have this as a macro, which in turn expands to a comma
2691 expression, and the last sub-expression is something that gets calculated,
2692 and then they have the gall to warn that a value computed is not used. Hence
2694 # define PERL_FPU_INIT (void)fpsetmask(0)
2695 # elif defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
2696 # define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
2697 # define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2698 # define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
2700 # define PERL_FPU_INIT
2703 #ifndef PERL_FPU_PRE_EXEC
2704 # define PERL_FPU_PRE_EXEC {
2705 # define PERL_FPU_POST_EXEC }
2708 /* In Tru64 the cc -ieee enables the IEEE math but disables traps.
2709 * We need to reenable the "invalid" trap because otherwise generation
2710 * of NaN values leaves the IEEE fp flags in bad state, leaving any further
2711 * fp ops behaving strangely (Inf + 1 resulting in zero, for example). */
2713 # include <machine/fpu.h>
2714 # define PERL_SYS_FPU_INIT \
2716 ieee_set_fp_control(IEEE_TRAP_ENABLE_INV); \
2717 signal(SIGFPE, SIG_IGN); \
2720 /* In IRIX the default for Flush to Zero bit is true,
2721 * which means that results going below the minimum of normal
2722 * floating points go to zero, instead of going denormal/subnormal.
2723 * This is unlike almost any other system running Perl, so let's clear it.
2724 * [perl #123767] IRIX64 blead (ddce084a) opbasic/arith.t failure, originally
2725 * [perl #120426] small numbers shouldn't round to zero if they have extra floating digits
2727 * XXX The flush-to-zero behaviour should be a Configure scan.
2728 * To change the behaviour usually requires some system-specific
2729 * incantation, though, like the below. */
2731 # include <sys/fpu.h>
2732 # define PERL_SYS_FPU_INIT \
2734 union fpc_csr csr; \
2735 csr.fc_word = get_fpc_csr(); \
2736 csr.fc_struct.flush = 0; \
2737 set_fpc_csr(csr.fc_word); \
2741 #ifndef PERL_SYS_FPU_INIT
2742 # define PERL_SYS_FPU_INIT NOOP
2745 #ifndef PERL_SYS_INIT3_BODY
2746 # define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
2750 =head1 Miscellaneous Functions
2752 =for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
2753 Provides system-specific tune up of the C runtime environment necessary to
2754 run Perl interpreters. This should be called only once, before creating
2755 any Perl interpreters.
2757 =for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
2758 Provides system-specific tune up of the C runtime environment necessary to
2759 run Perl interpreters. This should be called only once, before creating
2760 any Perl interpreters.
2762 =for apidoc Am|void|PERL_SYS_TERM|
2763 Provides system-specific clean up of the C runtime environment after
2764 running Perl interpreters. This should be called only once, after
2765 freeing any remaining Perl interpreters.
2770 #define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2771 #define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
2772 #define PERL_SYS_TERM() Perl_sys_term()
2774 #ifndef PERL_WRITE_MSG_TO_CONSOLE
2775 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2780 # ifdef _POSIX_PATH_MAX
2781 # if PATH_MAX > _POSIX_PATH_MAX
2782 /* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2783 * included the null byte or not. Later amendments of POSIX,
2784 * XPG4, the Austin Group, and the Single UNIX Specification
2785 * all explicitly include the null byte in the PATH_MAX.
2786 * Ditto for _POSIX_PATH_MAX. */
2787 # define MAXPATHLEN PATH_MAX
2789 # define MAXPATHLEN _POSIX_PATH_MAX
2792 # define MAXPATHLEN (PATH_MAX+1)
2795 # define MAXPATHLEN 1024 /* Err on the large side. */
2799 /* In case Configure was not used (we are using a "canned config"
2800 * such as Win32, or a cross-compilation setup, for example) try going
2801 * by the gcc major and minor versions. One useful URL is
2802 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2803 * but contrary to this information warn_unused_result seems
2804 * not to be in gcc 3.3.5, at least. --jhi
2805 * Also, when building extensions with an installed perl, this allows
2806 * the user to upgrade gcc and get the right attributes, rather than
2807 * relying on the list generated at Configure time. --AD
2808 * Set these up now otherwise we get confused when some of the <*thread.h>
2809 * includes below indirectly pull in <perlio.h> (which needs to know if we
2810 * have HASATTRIBUTE_FORMAT).
2814 #if defined __GNUC__ && !defined(__INTEL_COMPILER)
2815 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2816 # define HASATTRIBUTE_DEPRECATED
2818 # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2819 # define HASATTRIBUTE_FORMAT
2820 # if defined __MINGW32__
2821 # define PRINTF_FORMAT_NULL_OK
2824 # if __GNUC__ >= 3 /* 3.0 -> */
2825 # define HASATTRIBUTE_MALLOC
2827 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2828 # define HASATTRIBUTE_NONNULL
2830 # if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2831 # define HASATTRIBUTE_NORETURN
2833 # if __GNUC__ >= 3 /* gcc 3.0 -> */
2834 # define HASATTRIBUTE_PURE
2836 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2837 # define HASATTRIBUTE_UNUSED
2839 # if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2840 # define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2842 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2843 # define HASATTRIBUTE_WARN_UNUSED_RESULT
2846 #endif /* #ifndef PERL_MICRO */
2848 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
2849 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
2850 * this results in many functions being undeclared which bothers C++
2851 * May make sense to have threads after "*ish.h" anyway
2854 /* clang Thread Safety Analysis/Annotations/Attributes
2855 * http://clang.llvm.org/docs/ThreadSafetyAnalysis.html
2857 * Available since clang 3.6-ish (appeared in 3.4, but shaky still in 3.5).
2858 * Apple XCode hijacks __clang_major__ and __clang_minor__
2859 * (6.1 means really clang 3.6), so needs extra hijinks
2860 * (could probably also test the contents of __apple_build_version__).
2862 #if defined(USE_ITHREADS) && defined(I_PTHREAD) && \
2863 defined(__clang__) && \
2864 !defined(PERL_GLOBAL_STRUCT) && \
2865 !defined(PERL_GLOBAL_STRUCT_PRIVATE) && \
2867 ((!defined(__apple_build_version__) && \
2868 ((__clang_major__ == 3 && __clang_minor__ >= 6) || \
2869 (__clang_major__ >= 4))) || \
2870 (defined(__apple_build_version__) && \
2871 ((__clang_major__ == 6 && __clang_minor__ >= 1) || \
2872 (__clang_major__ >= 7))))
2873 # define PERL_TSA__(x) __attribute__((x))
2874 # define PERL_TSA_ACTIVE
2876 # define PERL_TSA__(x) /* No TSA, make TSA attributes no-ops. */
2877 # undef PERL_TSA_ACTIVE
2880 /* PERL_TSA_CAPABILITY() is used to annotate typedefs.
2881 * typedef old_type PERL_TSA_CAPABILITY("mutex") new_type;
2883 #define PERL_TSA_CAPABILITY(x) \
2884 PERL_TSA__(capability(x))
2886 /* In the below examples the mutex must be lexically visible, usually
2887 * either as global variables, or as function arguments. */
2889 /* PERL_TSA_GUARDED_BY() is used to annotate global variables.
2891 * Foo foo PERL_TSA_GUARDED_BY(mutex);
2893 #define PERL_TSA_GUARDED_BY(x) \
2894 PERL_TSA__(guarded_by(x))
2896 /* PERL_TSA_PT_GUARDED_BY() is used to annotate global pointers.
2897 * The data _behind_ the pointer is guarded.
2899 * Foo* ptr PERL_TSA_PT_GUARDED_BY(mutex);
2901 #define PERL_TSA_PT_GUARDED_BY(x) \
2902 PERL_TSA__(pt_guarded_by(x))
2904 /* PERL_TSA_REQUIRES() is used to annotate functions.
2905 * The caller MUST hold the resource when calling the function.
2907 * void Foo() PERL_TSA_REQUIRES(mutex);
2909 #define PERL_TSA_REQUIRES(x) \
2910 PERL_TSA__(requires_capability(x))
2912 /* PERL_TSA_EXCLUDES() is used to annotate functions.
2913 * The caller MUST NOT hold resource when calling the function.
2915 * EXCLUDES should be used when the function first acquires
2916 * the resource and then releases it. Use to avoid deadlock.
2918 * void Foo() PERL_TSA_EXCLUDES(mutex);
2920 #define PERL_TSA_EXCLUDES(x) \
2921 PERL_TSA__(locks_excluded(x))
2923 /* PERL_TSA_ACQUIRE() is used to annotate functions.
2924 * The caller MUST NOT hold the resource when calling the function,
2925 * and the function will acquire the resource.
2927 * void Foo() PERL_TSA_ACQUIRE(mutex);
2929 #define PERL_TSA_ACQUIRE(x) \
2930 PERL_TSA__(acquire_capability(x))
2932 /* PERL_TSA_RELEASE() is used to annotate functions.
2933 * The caller MUST hold the resource when calling the function,
2934 * and the function will release the resource.
2936 * void Foo() PERL_TSA_RELEASE(mutex);
2938 #define PERL_TSA_RELEASE(x) \
2939 PERL_TSA__(release_capability(x))
2941 /* PERL_TSA_NO_TSA is used to annotate functions.
2942 * Used when being intentionally unsafe, or when the code is too
2943 * complicated for the analysis. Use sparingly.
2945 * void Foo() PERL_TSA_NO_TSA;
2947 #define PERL_TSA_NO_TSA \
2948 PERL_TSA__(no_thread_safety_analysis)
2950 /* There are more annotations/attributes available, see the clang
2951 * documentation for details. */
2953 #if defined(USE_ITHREADS)
2955 # include <nw5thread.h>
2956 # elif defined(WIN32)
2957 # include <win32thread.h>
2959 # include "os2thread.h"
2960 # elif defined(I_MACH_CTHREADS)
2961 # include <mach/cthreads.h>
2962 typedef cthread_t perl_os_thread;
2963 typedef mutex_t perl_mutex;
2964 typedef condition_t perl_cond;
2965 typedef void * perl_key;
2966 # elif defined(I_PTHREAD) /* Posix threads */
2967 # include <pthread.h>
2968 typedef pthread_t perl_os_thread;
2969 typedef pthread_mutex_t PERL_TSA_CAPABILITY("mutex") perl_mutex;
2970 typedef pthread_cond_t perl_cond;
2971 typedef pthread_key_t perl_key;
2973 #endif /* USE_ITHREADS */
2975 #ifdef PERL_TSA_ACTIVE
2976 /* Since most pthread mutex interfaces have not been annotated, we
2977 * need to have these wrappers. The NO_TSA annotation is quite ugly
2978 * but it cannot be avoided in plain C, unlike in C++, where one could
2979 * e.g. use ACQUIRE() with no arg on a mutex lock method.
2981 * The bodies of these wrappers are in util.c
2983 * TODO: however, some platforms are starting to get these clang
2984 * thread safety annotations for pthreads, for example FreeBSD.
2985 * Do we need a way to a bypass these wrappers? */
2986 EXTERN_C int perl_tsa_mutex_lock(perl_mutex* mutex)
2987 PERL_TSA_ACQUIRE(*mutex)
2989 EXTERN_C int perl_tsa_mutex_unlock(perl_mutex* mutex)
2990 PERL_TSA_RELEASE(*mutex)
2999 # include "netware.h"
3002 #define STATUS_UNIX PL_statusvalue
3004 # define STATUS_NATIVE PL_statusvalue_vms
3006 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
3007 * its contents can not be trusted. Unfortunately, Perl seems to check
3008 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
3011 # include <stsdef.h>
3013 /* Presume this because if VMS changes it, it will require a new
3014 * set of APIs for waiting on children for binary compatibility.
3016 # define child_offset_bits (8)
3017 # ifndef C_FAC_POSIX
3018 # define C_FAC_POSIX 0x35A000
3021 /* STATUS_EXIT - validates and returns a NATIVE exit status code for the
3022 * platform from the existing UNIX or Native status values.
3025 # define STATUS_EXIT \
3026 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
3027 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
3030 /* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
3031 * exit code and shifts the UNIX value over the correct number of bits to
3032 * be a child status. Usually the number of bits is 8, but that could be
3033 * platform dependent. The NATIVE status code is presumed to have either
3034 * from a child process.
3037 /* This is complicated. The child processes return a true native VMS
3038 status which must be saved. But there is an assumption in Perl that
3039 the UNIX child status has some relationship to errno values, so
3040 Perl tries to translate it to text in some of the tests.
3041 In order to get the string translation correct, for the error, errno
3042 must be EVMSERR, but that generates a different text message
3043 than what the test programs are expecting. So an errno value must
3044 be derived from the native status value when an error occurs.
3045 That will hide the true native status message. With this version of
3046 perl, the true native child status can always be retrieved so that
3047 is not a problem. But in this case, Pl_statusvalue and errno may
3048 have different values in them.
3051 # define STATUS_NATIVE_CHILD_SET(n) \
3053 I32 evalue = (I32)n; \
3054 if (evalue == EVMSERR) { \
3055 PL_statusvalue_vms = vaxc$errno; \
3056 PL_statusvalue = evalue; \
3058 PL_statusvalue_vms = evalue; \
3059 if (evalue == -1) { \
3060 PL_statusvalue = -1; \
3061 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
3063 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
3064 set_vaxc_errno(evalue); \
3065 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
3066 set_errno(EVMSERR); \
3067 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
3068 PL_statusvalue = PL_statusvalue << child_offset_bits; \
3072 # ifdef VMSISH_STATUS
3073 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
3075 # define STATUS_CURRENT STATUS_UNIX
3078 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
3079 * the NATIVE status to an equivalent value. Can not be used to translate
3080 * exit code values as exit code values are not guaranteed to have any
3081 * relationship at all to errno values.
3082 * This is used when Perl is forcing errno to have a specific value.
3084 # define STATUS_UNIX_SET(n) \
3086 I32 evalue = (I32)n; \
3087 PL_statusvalue = evalue; \
3088 if (PL_statusvalue != -1) { \
3089 if (PL_statusvalue != EVMSERR) { \
3090 PL_statusvalue &= 0xFFFF; \
3091 if (MY_POSIX_EXIT) \
3092 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
3093 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
3096 PL_statusvalue_vms = vaxc$errno; \
3099 else PL_statusvalue_vms = SS$_ABORT; \
3100 set_vaxc_errno(PL_statusvalue_vms); \
3103 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
3104 * the NATIVE error status based on it.
3106 * When in the default mode to comply with the Perl VMS documentation,
3107 * 0 is a success and any other code sets the NATIVE status to a failure
3108 * code of SS$_ABORT.
3110 * In the new POSIX EXIT mode, native status will be set so that the
3111 * actual exit code will can be retrieved by the calling program or
3114 * If the exit code is not clearly a UNIX parent or child exit status,
3115 * it will be passed through as a VMS status.
3118 # define STATUS_UNIX_EXIT_SET(n) \
3120 I32 evalue = (I32)n; \
3121 PL_statusvalue = evalue; \
3122 if (MY_POSIX_EXIT) { \
3123 if (evalue <= 0xFF00) { \
3124 if (evalue > 0xFF) \
3125 evalue = (evalue >> child_offset_bits) & 0xFF; \
3126 PL_statusvalue_vms = \
3127 (C_FAC_POSIX | (evalue << 3 ) | \
3128 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3129 } else /* forgive them Perl, for they have sinned */ \
3130 PL_statusvalue_vms = evalue; \
3133 PL_statusvalue_vms = SS$_NORMAL; \
3134 else if (evalue <= 0xFF00) \
3135 PL_statusvalue_vms = SS$_ABORT; \
3136 else { /* forgive them Perl, for they have sinned */ \
3137 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3138 else PL_statusvalue_vms = vaxc$errno; \
3139 /* And obviously used a VMS status value instead of UNIX */ \
3140 PL_statusvalue = EVMSERR; \
3142 set_vaxc_errno(PL_statusvalue_vms); \
3147 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3148 * and sets the NATIVE error status based on it. This special case
3149 * is needed to maintain compatibility with past VMS behavior.
3151 * In the default mode on VMS, this number is passed through as
3152 * both the NATIVE and UNIX status. Which makes it different
3153 * that the STATUS_UNIX_EXIT_SET.
3155 * In the new POSIX EXIT mode, native status will be set so that the
3156 * actual exit code will can be retrieved by the calling program or
3159 * A POSIX exit code is from 0 to 255. If the exit code is higher
3160 * than this, it needs to be assumed that it is a VMS exit code and
3164 # define STATUS_EXIT_SET(n) \
3166 I32 evalue = (I32)n; \
3167 PL_statusvalue = evalue; \
3168 if (MY_POSIX_EXIT) \
3169 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3170 PL_statusvalue_vms = \
3171 (C_FAC_POSIX | (evalue << 3 ) | \
3172 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
3174 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3175 set_vaxc_errno(PL_statusvalue_vms); \
3179 /* This macro forces a success status */
3180 # define STATUS_ALL_SUCCESS \
3181 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
3183 /* This macro forces a failure status */
3184 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3185 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3186 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
3188 #elif defined(__amigaos4__)
3189 /* A somewhat experimental attempt to simulate posix return code values */
3190 # define STATUS_NATIVE PL_statusvalue_posix
3191 # define STATUS_NATIVE_CHILD_SET(n) \
3193 PL_statusvalue_posix = (n); \
3194 if (PL_statusvalue_posix < 0) { \
3195 PL_statusvalue = -1; \
3198 PL_statusvalue = n << 8; \
3201 # define STATUS_UNIX_SET(n) \
3203 PL_statusvalue = (n); \
3204 if (PL_statusvalue != -1) \
3205 PL_statusvalue &= 0xFFFF; \
3207 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3208 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3209 # define STATUS_CURRENT STATUS_UNIX
3210 # define STATUS_EXIT STATUS_UNIX
3211 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3212 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3215 # define STATUS_NATIVE PL_statusvalue_posix
3216 # if defined(WCOREDUMP)
3217 # define STATUS_NATIVE_CHILD_SET(n) \
3219 PL_statusvalue_posix = (n); \
3220 if (PL_statusvalue_posix == -1) \
3221 PL_statusvalue = -1; \
3224 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3225 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3226 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3229 # elif defined(WIFEXITED)
3230 # define STATUS_NATIVE_CHILD_SET(n) \
3232 PL_statusvalue_posix = (n); \
3233 if (PL_statusvalue_posix == -1) \
3234 PL_statusvalue = -1; \
3237 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3238 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3242 # define STATUS_NATIVE_CHILD_SET(n) \
3244 PL_statusvalue_posix = (n); \
3245 if (PL_statusvalue_posix == -1) \
3246 PL_statusvalue = -1; \
3249 PL_statusvalue_posix & 0xFFFF; \
3253 # define STATUS_UNIX_SET(n) \
3255 PL_statusvalue = (n); \
3256 if (PL_statusvalue != -1) \
3257 PL_statusvalue &= 0xFFFF; \
3259 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3260 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3261 # define STATUS_CURRENT STATUS_UNIX
3262 # define STATUS_EXIT STATUS_UNIX
3263 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3264 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3267 /* flags in PL_exit_flags for nature of exit() */
3268 #define PERL_EXIT_EXPECTED 0x01
3269 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
3270 #define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3271 #define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
3274 /* format to use for version numbers in file/directory names */
3275 /* XXX move to Configure? */
3276 /* This was only ever used for the current version, and that can be done at
3277 compile time, as PERL_FS_VERSION, so should we just delete it? */
3278 # ifndef PERL_FS_VER_FMT
3279 # define PERL_FS_VER_FMT "%d.%d.%d"
3283 #ifndef PERL_FS_VERSION
3284 # define PERL_FS_VERSION PERL_VERSION_STRING
3287 /* This defines a way to flush all output buffers. This may be a
3288 * performance issue, so we allow people to disable it. Also, if
3289 * we are using stdio, there are broken implementations of fflush(NULL)
3290 * out there, Solaris being the most prominent.
3292 #ifndef PERL_FLUSHALL_FOR_CHILD
3293 # if defined(USE_PERLIO) || defined(FFLUSH_NULL)
3294 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
3295 # elif defined(FFLUSH_ALL)
3296 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
3298 # define PERL_FLUSHALL_FOR_CHILD NOOP
3302 #ifndef PERL_WAIT_FOR_CHILDREN
3303 # define PERL_WAIT_FOR_CHILDREN NOOP
3306 /* the traditional thread-unsafe notion of "current interpreter". */
3307 #ifndef PERL_SET_INTERP
3308 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3311 #ifndef PERL_GET_INTERP
3312 # define PERL_GET_INTERP (PL_curinterp)
3315 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
3316 # ifdef MULTIPLICITY
3317 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
3319 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3323 This replaces the previous %_ "hack" by the "%p" hacks.
3324 All that is required is that the perl source does not
3325 use "%-p" or "%-<number>p" or "%<number>p" formats.
3326 These formats will still work in perl code.
3327 See comments in sv.c for further details.
3329 Robin Barker 2005-07-14
3331 No longer use %1p for VDf = %vd. RMB 2007-10-19
3335 # define SVf_(n) "-" STRINGIFY(n) "p"
3343 # define SVf32 SVf_(32)
3347 # define SVf256 SVf_(256)
3350 #define SVfARG(p) ((void*)(p))
3356 /* Not ideal, but we cannot easily include a number in an already-numeric
3357 * format sequence. */
3359 # define HEKf256 "3p"
3362 #define HEKfARG(p) ((void*)(p))
3364 /* Takes three arguments: is_utf8, length, str */
3366 # define UTF8f "d%" UVuf "%4p"
3368 #define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3371 #define PNfARG(pn) (int)1, (UV)PadnameLEN(pn), (void *)PadnamePV(pn)
3374 /* not used; but needed for backward compatibility with XS code? - RMB */
3380 #ifdef HASATTRIBUTE_DEPRECATED
3381 # define __attribute__deprecated__ __attribute__((deprecated))
3383 #ifdef HASATTRIBUTE_FORMAT
3384 # define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3386 #ifdef HASATTRIBUTE_MALLOC
3387 # define __attribute__malloc__ __attribute__((__malloc__))
3389 #ifdef HASATTRIBUTE_NONNULL
3390 # define __attribute__nonnull__(a) __attribute__((nonnull(a)))
3392 #ifdef HASATTRIBUTE_NORETURN
3393 # define __attribute__noreturn__ __attribute__((noreturn))
3395 #ifdef HASATTRIBUTE_PURE
3396 # define __attribute__pure__ __attribute__((pure))
3398 #ifdef HASATTRIBUTE_UNUSED
3399 # define __attribute__unused__ __attribute__((unused))
3401 #ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
3402 # define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
3405 /* If we haven't defined the attributes yet, define them to blank. */
3406 #ifndef __attribute__deprecated__
3407 # define __attribute__deprecated__
3409 #ifndef __attribute__format__
3410 # define __attribute__format__(x,y,z)
3412 #ifndef __attribute__malloc__
3413 # define __attribute__malloc__
3415 #ifndef __attribute__nonnull__
3416 # define __attribute__nonnull__(a)
3418 #ifndef __attribute__noreturn__
3419 # define __attribute__noreturn__
3421 #ifndef __attribute__pure__
3422 # define __attribute__pure__
3424 #ifndef __attribute__unused__
3425 # define __attribute__unused__
3427 #ifndef __attribute__warn_unused_result__
3428 # define __attribute__warn_unused_result__
3431 #if !defined(DEBUGGING) && !defined(NDEBUG)
3436 /* For functions that are marked as __attribute__noreturn__, it's not
3437 appropriate to call return. In either case, include the lint directive.
3439 #ifdef HASATTRIBUTE_NORETURN
3440 # define NORETURN_FUNCTION_END NOT_REACHED;
3442 # define NORETURN_FUNCTION_END NOT_REACHED; return 0
3445 /* Some OS warn on NULL format to printf */
3446 #ifdef PRINTF_FORMAT_NULL_OK
3447 # define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3449 # define __attribute__format__null_ok__(x,y,z)
3452 #ifdef HAS_BUILTIN_EXPECT
3453 # define EXPECT(expr,val) __builtin_expect(expr,val)
3455 # define EXPECT(expr,val) (expr)
3457 #define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3458 #define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
3459 #ifdef HAS_BUILTIN_CHOOSE_EXPR
3463 /* STATIC_ASSERT_DECL/STATIC_ASSERT_STMT are like assert(), but for compile
3464 time invariants. That is, their argument must be a constant expression that
3465 can be verified by the compiler. This expression can contain anything that's
3466 known to the compiler, e.g. #define constants, enums, or sizeof (...). If
3467 the expression evaluates to 0, compilation fails.
3468 Because they generate no runtime code (i.e. their use is "free"), they're
3469 always active, even under non-DEBUGGING builds.
3470 STATIC_ASSERT_DECL expands to a declaration and is suitable for use at
3471 file scope (outside of any function).
3472 STATIC_ASSERT_STMT expands to a statement and is suitable for use inside a
3475 #if (defined(static_assert) || (defined(__cplusplus) && __cplusplus >= 201103L)) && (!defined(__IBMC__) || __IBMC__ >= 1210)
3476 /* static_assert is a macro defined in <assert.h> in C11 or a compiler
3477 builtin in C++11. But IBM XL C V11 does not support _Static_assert, no
3478 matter what <assert.h> says.
3480 # define STATIC_ASSERT_DECL(COND) static_assert(COND, #COND)
3482 /* We use a bit-field instead of an array because gcc accepts
3483 'typedef char x[n]' where n is not a compile-time constant.
3484 We want to enforce constantness.
3486 # define STATIC_ASSERT_2(COND, SUFFIX) \
3488 unsigned int _static_assertion_failed_##SUFFIX : (COND) ? 1 : -1; \
3489 } _static_assertion_failed_##SUFFIX PERL_UNUSED_DECL
3490 # define STATIC_ASSERT_1(COND, SUFFIX) STATIC_ASSERT_2(COND, SUFFIX)
3491 # define STATIC_ASSERT_DECL(COND) STATIC_ASSERT_1(COND, __LINE__)
3493 /* We need this wrapper even in C11 because 'case X: static_assert(...);' is an
3494 error (static_assert is a declaration, and only statements can have labels).
3496 #define STATIC_ASSERT_STMT(COND) STMT_START { STATIC_ASSERT_DECL(COND); } STMT_END
3498 #ifndef __has_builtin
3499 # define __has_builtin(x) 0 /* not a clang style compiler */
3502 /* ASSUME is like assert(), but it has a benefit in a release build. It is a
3503 hint to a compiler about a statement of fact in a function call free
3504 expression, which allows the compiler to generate better machine code.
3505 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3506 the control path is unreachable. In a for loop, ASSUME can be used to hint
3507 that a loop will run at least X times. ASSUME is based off MSVC's __assume
3508 intrinsic function, see its documents for more details.
3512 # if __has_builtin(__builtin_unreachable) \
3513 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4) /* 4.5 -> */
3514 # define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3515 # elif defined(_MSC_VER)
3516 # define ASSUME(x) __assume(x)
3517 # elif defined(__ARMCC_VERSION) /* untested */
3518 # define ASSUME(x) __promise(x)
3520 /* a random compiler might define assert to its own special optimization token
3521 so pass it through to C lib as a last resort */
3522 # define ASSUME(x) assert(x)
3525 # define ASSUME(x) assert(x)
3528 #if defined(__sun) /* ASSUME() generates warnings on Solaris */
3529 # define NOT_REACHED
3530 #elif defined(DEBUGGING) && (__has_builtin(__builtin_unreachable) \
3531 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4)) /* 4.5 -> */
3532 # define NOT_REACHED STMT_START { ASSUME(0); __builtin_unreachable(); } STMT_END
3534 # define NOT_REACHED ASSUME(0)
3537 /* Some unistd.h's give a prototype for pause() even though
3538 HAS_PAUSE ends up undefined. This causes the #define
3539 below to be rejected by the compiler. Sigh.
3544 #define Pause() sleep((32767<<16)+32767)
3548 # ifdef IOCPARM_MASK
3549 /* on BSDish systems we're safe */
3550 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3551 # elif defined(_IOC_SIZE) && defined(__GLIBC__)
3552 /* on Linux systems we're safe; except when we're not [perl #38223] */
3553 # define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
3555 /* otherwise guess at what's safe */
3556 # define IOCPARM_LEN(x) 256
3560 #if defined(__CYGWIN__)
3562 * This symbol, if defined, indicates that the program should
3563 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
3564 * that a file is in "binary" mode -- that is, that no translation
3565 * of bytes occurs on read or write operations.
3567 # define USEMYBINMODE /**/
3568 # include <io.h> /* for setmode() prototype */
3569 # define my_binmode(fp, iotype, mode) \
3570 cBOOL(PerlLIO_setmode(fileno(fp), mode) != -1)
3574 void init_os_extras(void);
3577 #ifdef UNION_ANY_DEFINITION
3578 UNION_ANY_DEFINITION;
3596 void (*any_dptr) (void*);
3597 void (*any_dxptr) (pTHX_ void*);
3601 typedef I32 (*filter_t) (pTHX_ int, SV *, int);
3603 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3604 #define FILTER_DATA(idx) \
3605 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3606 #define FILTER_ISREADER(idx) \
3607 (PL_parser && PL_parser->rsfp_filters \
3608 && idx >= AvFILLp(PL_parser->rsfp_filters))
3609 #define PERL_FILTER_EXISTS(i) \
3610 (PL_parser && PL_parser->rsfp_filters \
3611 && (i) <= av_tindex(PL_parser->rsfp_filters))
3613 #if defined(_AIX) && !defined(_AIX43)
3614 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3615 /* We cannot include <crypt.h> to get the struct crypt_data
3616 * because of setkey prototype problems when threading */
3617 typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3618 /* From OSF, Not needed in AIX
3626 #endif /* threading */
3629 #ifndef PERL_CALLCONV
3631 # define PERL_CALLCONV extern "C"
3633 # define PERL_CALLCONV
3636 #ifndef PERL_CALLCONV_NO_RET
3637 # define PERL_CALLCONV_NO_RET PERL_CALLCONV
3640 /* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
3641 dont have a noreturn as a declaration specifier
3643 #ifndef PERL_STATIC_NO_RET
3644 # define PERL_STATIC_NO_RET STATIC
3646 /* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
3647 builds that dont have a noreturn as a declaration specifier
3649 #ifndef PERL_STATIC_INLINE_NO_RET
3650 # define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
3654 # include "iperlsys.h"
3657 #ifdef __LIBCATAMOUNT__
3658 #undef HAS_PASSWD /* unixish.h but not unixish enough. */
3660 #define FAKE_BIT_BUCKET
3663 /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3664 * Note that the USE_HASH_SEED and similar defines are *NOT* defined by
3665 * Configure, despite their names being similar to other defines like
3666 * USE_ITHREADS. Configure in fact knows nothing about the randomised
3667 * hashes. Therefore to enable/disable the hash randomisation defines
3668 * use the Configure -Accflags=... instead. */
3669 #if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED)
3670 # define USE_HASH_SEED
3676 /* macros to define bit-fields in structs. */
3677 #ifndef PERL_BITFIELD8
3678 # define PERL_BITFIELD8 unsigned
3680 #ifndef PERL_BITFIELD16
3681 # define PERL_BITFIELD16 unsigned
3683 #ifndef PERL_BITFIELD32
3684 # define PERL_BITFIELD32 unsigned
3694 #include "opnames.h"
3701 #include "warnings.h"
3704 /* these would be in doio.h if there was such a file */
3705 #define my_stat() my_stat_flags(SV_GMAGIC)
3706 #define my_lstat() my_lstat_flags(SV_GMAGIC)
3708 /* defined in sv.c, but also used in [ach]v.c */
3711 #undef _XPVCV_COMMON
3715 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
3717 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3719 /* These have to be predeclared, as they are used in proto.h which is #included
3720 * before their definitions in regcomp.h. */
3723 typedef struct regnode_charclass regnode_charclass;
3725 /* A hopefully less confusing name. The sub-classes are all Posix classes only
3726 * used under /l matching */
3727 typedef struct regnode_charclass_posixl regnode_charclass_class;
3728 typedef struct regnode_charclass_posixl regnode_charclass_posixl;
3730 typedef struct regnode_ssc regnode_ssc;
3731 typedef struct RExC_state_t RExC_state_t;
3732 struct _reg_trie_data;
3736 struct ptr_tbl_ent {
3737 struct ptr_tbl_ent* next;
3743 struct ptr_tbl_ent** tbl_ary;
3746 struct ptr_tbl_arena *tbl_arena;
3747 struct ptr_tbl_ent *tbl_arena_next;
3748 struct ptr_tbl_ent *tbl_arena_end;
3751 #if defined(htonl) && !defined(HAS_HTONL)
3754 #if defined(htons) && !defined(HAS_HTONS)
3757 #if defined(ntohl) && !defined(HAS_NTOHL)
3760 #if defined(ntohs) && !defined(HAS_NTOHS)
3768 # if (BYTEORDER & 0xffff) == 0x4321
3769 /* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3770 re-order their values. However, to behave identically to the alternative
3771 implementations, they should truncate to the correct size. */
3772 # define ntohl(x) ((x)&0xFFFFFFFF)
3773 # define htonl(x) ntohl(x)
3774 # define ntohs(x) ((x)&0xFFFF)
3775 # define htons(x) ntohs(x)
3776 # elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3778 /* Note that we can't straight out declare our own htonl and htons because
3779 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3780 to avoid the overhead of initialising the socket subsystem, but the headers
3781 that *declare* the various functions are still seen. If we declare our own
3782 htonl etc they will clash with the declarations in the Win32 headers. */
3784 PERL_STATIC_INLINE U32
3785 my_swap32(const U32 x) {
3786 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3787 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3790 PERL_STATIC_INLINE U16
3791 my_swap16(const U16 x) {
3792 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3795 # define htonl(x) my_swap32(x)
3796 # define ntohl(x) my_swap32(x)
3797 # define ntohs(x) my_swap16(x)
3798 # define htons(x) my_swap16(x)
3800 # error "Unsupported byteorder"
3801 /* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3802 the error message. Please check the value of the macro BYTEORDER, as defined
3803 in config.h. The values of BYTEORDER we expect are
3805 big endian little endian
3806 32 bit 0x4321 0x1234
3807 64 bit 0x87654321 0x12345678
3809 If you have a system with a different byte order, please see
3810 pod/perlhack.pod for how to submit a patch to add supporting code.
3816 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3819 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3820 /* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3821 re-order their values. However, to behave identically to the alternative
3822 implementations, they should truncate to the correct size. */
3823 # define vtohl(x) ((x)&0xFFFFFFFF)
3824 # define vtohs(x) ((x)&0xFFFF)
3825 # define htovl(x) vtohl(x)
3826 # define htovs(x) vtohs(x)
3827 #elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
3828 # define vtohl(x) ((((x)&0xFF)<<24) \
3830 +(((x)&0x0000FF00)<<8) \
3831 +(((x)&0x00FF0000)>>8) )
3832 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3833 # define htovl(x) vtohl(x)
3834 # define htovs(x) vtohs(x)
3836 # error "Unsupported byteorder"
3837 /* If you have need for current perl on PDP-11 or similar, and can help test
3838 that blead keeps working on a mixed-endian system, then see
3839 pod/perlhack.pod for how to submit patches to things working again. */
3842 /* *MAX Plus 1. A floating point value.
3843 Hopefully expressed in a way that dodgy floating point can't mess up.
3844 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3846 May find that some broken compiler will want the value cast to I32.
3847 [after the shift, as signed >> may not be as secure as unsigned >>]
3849 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3850 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3851 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3852 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3853 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3855 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
3857 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3858 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3859 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3861 /* This may look like unnecessary jumping through hoops, but converting
3862 out of range floating point values to integers *is* undefined behaviour,
3863 and it is starting to bite.
3866 #define I_32(what) (cast_i32((NV)(what)))
3867 #define U_32(what) (cast_ulong((NV)(what)))
3868 #define I_V(what) (cast_iv((NV)(what)))
3869 #define U_V(what) (cast_uv((NV)(what)))
3871 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3872 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3873 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3874 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3875 : ((n) < U32_MAX_P1 ? (U32) (n) \
3876 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3877 #define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3878 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3879 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3880 #define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3881 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3882 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3885 #define U_S(what) ((U16)U_32(what))
3886 #define U_I(what) ((unsigned int)U_32(what))
3887 #define U_L(what) U_32(what)
3890 # ifndef Perl_signbit
3891 # define Perl_signbit signbit
3895 /* These do not care about the fractional part, only about the range. */
3896 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
3897 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
3899 /* Used with UV/IV arguments: */
3900 /* XXXX: need to speed it up */
3901 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3902 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3909 #if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
3910 Uid_t getuid (void);
3911 Uid_t geteuid (void);
3912 Gid_t getgid (void);
3913 Gid_t getegid (void);
3917 #ifndef Perl_debug_log
3918 # define Perl_debug_log PerlIO_stderr()
3921 #ifndef Perl_error_log
3922 # define Perl_error_log (PL_stderrgv \
3923 && isGV(PL_stderrgv) \
3924 && GvIOp(PL_stderrgv) \
3925 && IoOFP(GvIOp(PL_stderrgv)) \
3926 ? IoOFP(GvIOp(PL_stderrgv)) \
3931 #define DEBUG_p_FLAG 0x00000001 /* 1 */
3932 #define DEBUG_s_FLAG 0x00000002 /* 2 */
3933 #define DEBUG_l_FLAG 0x00000004 /* 4 */
3934 #define DEBUG_t_FLAG 0x00000008 /* 8 */
3935 #define DEBUG_o_FLAG 0x00000010 /* 16 */
3936 #define DEBUG_c_FLAG 0x00000020 /* 32 */
3937 #define DEBUG_P_FLAG 0x00000040 /* 64 */
3938 #define DEBUG_m_FLAG 0x00000080 /* 128 */
3939 #define DEBUG_f_FLAG 0x00000100 /* 256 */
3940 #define DEBUG_r_FLAG 0x00000200 /* 512 */
3941 #define DEBUG_x_FLAG 0x00000400 /* 1024 */
3942 #define DEBUG_u_FLAG 0x00000800 /* 2048 */
3943 /* U is reserved for Unofficial, exploratory hacking */
3944 #define DEBUG_U_FLAG 0x00001000 /* 4096 */
3946 #define DEBUG_X_FLAG 0x00004000 /* 16384 */
3947 #define DEBUG_D_FLAG 0x00008000 /* 32768 */
3948 #define DEBUG_S_FLAG 0x00010000 /* 65536 */
3949 #define DEBUG_T_FLAG 0x00020000 /* 131072 */
3950 #define DEBUG_R_FLAG 0x00040000 /* 262144 */
3951 #define DEBUG_J_FLAG 0x00080000 /* 524288 */
3952 #define DEBUG_v_FLAG 0x00100000 /*1048576 */
3953 #define DEBUG_C_FLAG 0x00200000 /*2097152 */
3954 #define DEBUG_A_FLAG 0x00400000 /*4194304 */
3955 #define DEBUG_q_FLAG 0x00800000 /*8388608 */
3956 #define DEBUG_M_FLAG 0x01000000 /*16777216*/
3957 #define DEBUG_B_FLAG 0x02000000 /*33554432*/
3958 #define DEBUG_L_FLAG 0x04000000 /*67108864*/
3959 #define DEBUG_i_FLAG 0x08000000 /*134217728*/
3960 #define DEBUG_MASK 0x0FFFEFFF /* mask of all the standard flags */
3962 #define DEBUG_DB_RECURSE_FLAG 0x40000000
3963 #define DEBUG_TOP_FLAG 0x80000000 /* -D was given --> PL_debug |= FLAG */
3965 # define DEBUG_p_TEST_ UNLIKELY(PL_debug & DEBUG_p_FLAG)
3966 # define DEBUG_s_TEST_ UNLIKELY(PL_debug & DEBUG_s_FLAG)
3967 # define DEBUG_l_TEST_ UNLIKELY(PL_debug & DEBUG_l_FLAG)
3968 # define DEBUG_t_TEST_ UNLIKELY(PL_debug & DEBUG_t_FLAG)
3969 # define DEBUG_o_TEST_ UNLIKELY(PL_debug & DEBUG_o_FLAG)
3970 # define DEBUG_c_TEST_ UNLIKELY(PL_debug & DEBUG_c_FLAG)
3971 # define DEBUG_P_TEST_ UNLIKELY(PL_debug & DEBUG_P_FLAG)
3972 # define DEBUG_m_TEST_ UNLIKELY(PL_debug & DEBUG_m_FLAG)
3973 # define DEBUG_f_TEST_ UNLIKELY(PL_debug & DEBUG_f_FLAG)
3974 # define DEBUG_r_TEST_ UNLIKELY(PL_debug & DEBUG_r_FLAG)
3975 # define DEBUG_x_TEST_ UNLIKELY(PL_debug & DEBUG_x_FLAG)
3976 # define DEBUG_u_TEST_ UNLIKELY(PL_debug & DEBUG_u_FLAG)
3977 # define DEBUG_U_TEST_ UNLIKELY(PL_debug & DEBUG_U_FLAG)
3978 # define DEBUG_X_TEST_ UNLIKELY(PL_debug & DEBUG_X_FLAG)
3979 # define DEBUG_D_TEST_ UNLIKELY(PL_debug & DEBUG_D_FLAG)
3980 # define DEBUG_S_TEST_ UNLIKELY(PL_debug & DEBUG_S_FLAG)
3981 # define DEBUG_T_TEST_ UNLIKELY(PL_debug & DEBUG_T_FLAG)
3982 # define DEBUG_R_TEST_ UNLIKELY(PL_debug & DEBUG_R_FLAG)
3983 # define DEBUG_J_TEST_ UNLIKELY(PL_debug & DEBUG_J_FLAG)
3984 # define DEBUG_v_TEST_ UNLIKELY(PL_debug & DEBUG_v_FLAG)
3985 # define DEBUG_C_TEST_ UNLIKELY(PL_debug & DEBUG_C_FLAG)
3986 # define DEBUG_A_TEST_ UNLIKELY(PL_debug & DEBUG_A_FLAG)
3987 # define DEBUG_q_TEST_ UNLIKELY(PL_debug & DEBUG_q_FLAG)
3988 # define DEBUG_M_TEST_ UNLIKELY(PL_debug & DEBUG_M_FLAG)
3989 # define DEBUG_B_TEST_ UNLIKELY(PL_debug & DEBUG_B_FLAG)
3990 # define DEBUG_L_TEST_ UNLIKELY(PL_debug & DEBUG_L_FLAG)
3991 # define DEBUG_i_TEST_ UNLIKELY(PL_debug & DEBUG_i_FLAG)
3992 # define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
3993 # define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
3994 # define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
3995 # define DEBUG_Lv_TEST_ (DEBUG_L_TEST_ && DEBUG_v_TEST_)
3999 # define DEBUG_p_TEST DEBUG_p_TEST_
4000 # define DEBUG_s_TEST DEBUG_s_TEST_
4001 # define DEBUG_l_TEST DEBUG_l_TEST_
4002 # define DEBUG_t_TEST DEBUG_t_TEST_
4003 # define DEBUG_o_TEST DEBUG_o_TEST_
4004 # define DEBUG_c_TEST DEBUG_c_TEST_
4005 # define DEBUG_P_TEST DEBUG_P_TEST_
4006 # define DEBUG_m_TEST DEBUG_m_TEST_
4007 # define DEBUG_f_TEST DEBUG_f_TEST_
4008 # define DEBUG_r_TEST DEBUG_r_TEST_
4009 # define DEBUG_x_TEST DEBUG_x_TEST_
4010 # define DEBUG_u_TEST DEBUG_u_TEST_
4011 # define DEBUG_U_TEST DEBUG_U_TEST_
4012 # define DEBUG_X_TEST DEBUG_X_TEST_
4013 # define DEBUG_D_TEST DEBUG_D_TEST_
4014 # define DEBUG_S_TEST DEBUG_S_TEST_
4015 # define DEBUG_T_TEST DEBUG_T_TEST_
4016 # define DEBUG_R_TEST DEBUG_R_TEST_
4017 # define DEBUG_J_TEST DEBUG_J_TEST_
4018 # define DEBUG_v_TEST DEBUG_v_TEST_
4019 # define DEBUG_C_TEST DEBUG_C_TEST_
4020 # define DEBUG_A_TEST DEBUG_A_TEST_
4021 # define DEBUG_q_TEST DEBUG_q_TEST_
4022 # define DEBUG_M_TEST DEBUG_M_TEST_
4023 # define DEBUG_B_TEST DEBUG_B_TEST_
4024 # define DEBUG_L_TEST DEBUG_L_TEST_
4025 # define DEBUG_i_TEST DEBUG_i_TEST_
4026 # define DEBUG_Xv_TEST DEBUG_Xv_TEST_
4027 # define DEBUG_Uv_TEST DEBUG_Uv_TEST_
4028 # define DEBUG_Pv_TEST DEBUG_Pv_TEST_
4029 # define DEBUG_Lv_TEST DEBUG_Lv_TEST_
4031 # define PERL_DEB(a) a
4032 # define PERL_DEB2(a,b) a
4033 # define PERL_DEBUG(a) if (PL_debug) a
4034 # define DEBUG_p(a) if (DEBUG_p_TEST) a
4035 # define DEBUG_s(a) if (DEBUG_s_TEST) a
4036 # define DEBUG_l(a) if (DEBUG_l_TEST) a
4037 # define DEBUG_t(a) if (DEBUG_t_TEST) a
4038 # define DEBUG_o(a) if (DEBUG_o_TEST) a
4039 # define DEBUG_c(a) if (DEBUG_c_TEST) a
4040 # define DEBUG_P(a) if (DEBUG_P_TEST) a
4042 /* Temporarily turn off memory debugging in case the a
4043 * does memory allocation, either directly or indirectly. */
4044 # define DEBUG_m(a) \
4046 if (PERL_GET_INTERP) { \
4048 if (DEBUG_m_TEST) { \
4049 PL_debug &= ~DEBUG_m_FLAG; \
4051 PL_debug |= DEBUG_m_FLAG; \
4056 # define DEBUG__(t, a) \
4058 if (t) STMT_START {a;} STMT_END; \
4061 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
4063 # ifndef PERL_EXT_RE_BUILD
4064 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
4066 # define DEBUG_r(a) STMT_START {a;} STMT_END
4067 # endif /* PERL_EXT_RE_BUILD */
4069 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
4070 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
4071 # define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
4072 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
4073 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
4074 # define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
4075 # define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
4076 # define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
4077 # define DEBUG_Lv(a) DEBUG__(DEBUG_Lv_TEST, a)
4079 # define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
4080 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
4081 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
4082 # define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
4083 # define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
4084 # define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
4085 # define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
4086 # define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
4087 # define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
4088 # define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
4089 # define DEBUG_i(a) DEBUG__(DEBUG_i_TEST, a)
4091 #else /* ! DEBUGGING below */
4093 # define DEBUG_p_TEST (0)
4094 # define DEBUG_s_TEST (0)
4095 # define DEBUG_l_TEST (0)
4096 # define DEBUG_t_TEST (0)
4097 # define DEBUG_o_TEST (0)
4098 # define DEBUG_c_TEST (0)
4099 # define DEBUG_P_TEST (0)
4100 # define DEBUG_m_TEST (0)
4101 # define DEBUG_f_TEST (0)
4102 # define DEBUG_r_TEST (0)
4103 # define DEBUG_x_TEST (0)
4104 # define DEBUG_u_TEST (0)
4105 # define DEBUG_U_TEST (0)
4106 # define DEBUG_X_TEST (0)
4107 # define DEBUG_D_TEST (0)
4108 # define DEBUG_S_TEST (0)
4109 # define DEBUG_T_TEST (0)
4110 # define DEBUG_R_TEST (0)
4111 # define DEBUG_J_TEST (0)
4112 # define DEBUG_v_TEST (0)
4113 # define DEBUG_C_TEST (0)
4114 # define DEBUG_A_TEST (0)
4115 # define DEBUG_q_TEST (0)
4116 # define DEBUG_M_TEST (0)
4117 # define DEBUG_B_TEST (0)
4118 # define DEBUG_L_TEST (0)
4119 # define DEBUG_i_TEST (0)
4120 # define DEBUG_Xv_TEST (0)
4121 # define DEBUG_Uv_TEST (0)
4122 # define DEBUG_Pv_TEST (0)
4123 # define DEBUG_Lv_TEST (0)
4125 # define PERL_DEB(a)
4126 # define PERL_DEB2(a,b) b
4127 # define PERL_DEBUG(a)
4154 # define DEBUG_Xv(a)
4155 # define DEBUG_Uv(a)
4156 # define DEBUG_Pv(a)
4157 # define DEBUG_Lv(a)
4158 #endif /* DEBUGGING */
4161 #define DEBUG_SCOPE(where) \
4163 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
4164 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
4165 __FILE__, __LINE__));
4167 /* Keep the old croak based assert for those who want it, and as a fallback if
4168 the platform is so heretically non-ANSI that it can't assert. */
4170 #define Perl_assert(what) PERL_DEB2( \
4171 ((what) ? ((void) 0) : \
4172 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
4173 "\", line %d", STRINGIFY(what), __LINE__), \
4174 (void) 0)), ((void)0))
4176 /* assert() gets defined if DEBUGGING.
4177 * If no DEBUGGING, the <assert.h> has not been included. */
4179 # define assert(what) Perl_assert(what)
4182 # define assert_(what) assert(what),
4184 # define assert_(what)
4188 I32 (*uf_val)(pTHX_ IV, SV*);
4189 I32 (*uf_set)(pTHX_ IV, SV*);
4193 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
4194 * XS code wanting to be backward compatible can do something
4195 * like the following:
4197 #ifndef PERL_MG_UFUNC
4198 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
4201 static PERL_MG_UFUNC(foo_get, index, val)
4211 #ifndef PERL_MG_UFUNC
4212 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
4217 /* isfinite and others are here rather than in math.h as C99 stipulates */
4222 # if !defined(WIN32) && !defined(VMS)
4224 char *crypt (const char*, const char*);
4226 # endif /* !WIN32 */
4229 char *getlogin (void);
4231 # endif /* !WIN32 */
4232 #endif /* !__cplusplus */
4234 /* Fixme on VMS. This needs to be a run-time, not build time options */
4235 /* Also rename() is affected by this */
4236 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
4237 #define UNLINK unlnk
4238 I32 unlnk (pTHX_ const char*);
4240 #define UNLINK PerlLIO_unlink
4243 /* some versions of glibc are missing the setresuid() proto */
4244 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
4245 int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4247 /* some versions of glibc are missing the setresgid() proto */
4248 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
4249 int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4252 #ifndef HAS_SETREUID
4253 # ifdef HAS_SETRESUID
4254 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4255 # define HAS_SETREUID
4258 #ifndef HAS_SETREGID
4259 # ifdef HAS_SETRESGID
4260 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4261 # define HAS_SETREGID
4265 /* Sighandler_t defined in iperlsys.h */
4267 #ifdef HAS_SIGACTION
4268 typedef struct sigaction Sigsave_t;
4270 typedef Sighandler_t Sigsave_t;
4281 # define RUNOPS_DEFAULT Perl_runops_debug
4283 # define RUNOPS_DEFAULT Perl_runops_standard
4286 #if defined(USE_PERLIO)
4287 EXTERN_C void PerlIO_teardown(void);
4288 # ifdef USE_ITHREADS
4289 # define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4290 # define PERLIO_TERM \
4292 PerlIO_teardown(); \
4293 MUTEX_DESTROY(&PL_perlio_mutex);\
4296 # define PERLIO_INIT
4297 # define PERLIO_TERM PerlIO_teardown()
4300 # define PERLIO_INIT
4301 # define PERLIO_TERM
4305 # ifdef MUTEX_INIT_CALLS_MALLOC
4306 # define MALLOC_INIT \
4308 PL_malloc_mutex = NULL; \
4309 MUTEX_INIT(&PL_malloc_mutex); \
4311 # define MALLOC_TERM \
4313 perl_mutex tmp = PL_malloc_mutex; \
4314 PL_malloc_mutex = NULL; \
4315 MUTEX_DESTROY(&tmp); \
4318 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4319 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4322 # define MALLOC_INIT
4323 # define MALLOC_TERM
4326 #if defined(PERL_IMPLICIT_CONTEXT)
4328 struct perl_memory_debug_header;
4329 struct perl_memory_debug_header {
4331 # if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
4334 struct perl_memory_debug_header *prev;
4335 struct perl_memory_debug_header *next;
4336 # ifdef PERL_DEBUG_READONLY_COW
4341 #elif defined(PERL_DEBUG_READONLY_COW)
4343 struct perl_memory_debug_header;
4344 struct perl_memory_debug_header {
4350 #if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
4352 # define PERL_MEMORY_DEBUG_HEADER_SIZE \
4353 (sizeof(struct perl_memory_debug_header) + \
4354 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4355 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4358 # define PERL_MEMORY_DEBUG_HEADER_SIZE 0
4361 #ifdef PERL_TRACK_MEMPOOL
4362 # ifdef PERL_DEBUG_READONLY_COW
4363 # define INIT_TRACK_MEMPOOL(header, interp) \
4365 (header).interpreter = (interp); \
4366 (header).prev = (header).next = &(header); \
4367 (header).readonly = 0; \
4370 # define INIT_TRACK_MEMPOOL(header, interp) \
4372 (header).interpreter = (interp); \
4373 (header).prev = (header).next = &(header); \
4377 # define INIT_TRACK_MEMPOOL(header, interp)
4380 #ifdef I_MALLOCMALLOC
4381 /* Needed for malloc_size(), malloc_good_size() on some systems */
4382 # include <malloc/malloc.h>
4386 # define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
4388 # if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
4389 # ifdef PERL_TRACK_MEMPOOL
4390 # define Perl_safesysmalloc_size(where) \
4391 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4393 # define Perl_safesysmalloc_size(where) malloc_size(where)
4396 # ifdef HAS_MALLOC_GOOD_SIZE
4397 # ifdef PERL_TRACK_MEMPOOL
4398 # define Perl_malloc_good_size(how_much) \
4399 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4401 # define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4404 /* Having this as the identity operation makes some code simpler. */
4405 # define Perl_malloc_good_size(how_much) (how_much)
4409 typedef int (*runops_proc_t)(pTHX);
4410 typedef void (*share_proc_t) (pTHX_ SV *sv);
4411 typedef int (*thrhook_proc_t) (pTHX);
4412 typedef OP* (*PPADDR_t[]) (pTHX);
4413 typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4414 typedef void (*despatch_signals_proc_t) (pTHX);
4416 #if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4417 # include <crt_externs.h> /* for the env array */
4418 # define environ (*_NSGetEnviron())
4419 #elif defined(USE_ENVIRON_ARRAY) && !defined(environ)
4420 /* VMS and some other platforms don't use the environ array */
4421 EXTERN_C char **environ; /* environment variables supplied via exec */
4424 #define PERL_PATCHLEVEL_H_IMPLICIT
4425 #include "patchlevel.h"
4426 #undef PERL_PATCHLEVEL_H_IMPLICIT
4428 #define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4429 STRINGIFY(PERL_VERSION) "." \
4430 STRINGIFY(PERL_SUBVERSION)
4432 #define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4433 STRINGIFY(PERL_API_VERSION) "." \
4434 STRINGIFY(PERL_API_SUBVERSION)
4438 /* handy constants */
4439 EXTCONST char PL_warn_uninit[]
4440 INIT("Use of uninitialized value%s%s%s");
4441 EXTCONST char PL_warn_uninit_sv[]
4442 INIT("Use of uninitialized value%" SVf "%s%s");
4443 EXTCONST char PL_warn_nosemi[]
4444 INIT("Semicolon seems to be missing");
4445 EXTCONST char PL_warn_reserved[]
4446 INIT("Unquoted string \"%s\" may clash with future reserved word");
4447 EXTCONST char PL_warn_nl[]
4448 INIT("Unsuccessful %s on filename containing newline");
4449 EXTCONST char PL_no_wrongref[]
4450 INIT("Can't use %s ref as %s ref");
4451 /* The core no longer needs this here. If you require the string constant,
4452 please inline a copy into your own code. */
4453 EXTCONST char PL_no_symref[] __attribute__deprecated__
4454 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
4455 EXTCONST char PL_no_symref_sv[]
4456 INIT("Can't use string (\"%" SVf32 "\"%s) as %s ref while \"strict refs\" in use");
4458 EXTCONST char PL_no_usym[]
4459 INIT("Can't use an undefined value as %s reference");
4460 EXTCONST char PL_no_aelem[]
4461 INIT("Modification of non-creatable array value attempted, subscript %d");
4462 EXTCONST char PL_no_helem_sv[]
4463 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
4464 EXTCONST char PL_no_modify[]
4465 INIT("Modification of a read-only value attempted");
4466 EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
4467 INIT("Out of memory!\n");
4468 EXTCONST char PL_no_security[]
4469 INIT("Insecure dependency in %s%s");
4470 EXTCONST char PL_no_sock_func[]
4471 INIT("Unsupported socket function \"%s\" called");
4472 EXTCONST char PL_no_dir_func[]
4473 INIT("Unsupported directory function \"%s\" called");
4474 EXTCONST char PL_no_func[]
4475 INIT("The %s function is unimplemented");
4476 EXTCONST char PL_no_myglob[]
4477 INIT("\"%s\" %se %s can't be in a package");
4478 EXTCONST char PL_no_localize_ref[]
4479 INIT("Can't localize through a reference");
4480 EXTCONST char PL_memory_wrap[]
4481 INIT("panic: memory wrap");
4483 EXTCONST char PL_Yes[]
4485 EXTCONST char PL_No[]
4487 EXTCONST char PL_Zero[]
4489 EXTCONST char PL_hexdigit[]
4490 INIT("0123456789abcdef0123456789ABCDEF");
4492 EXTCONST STRLEN PL_WARN_ALL
4494 EXTCONST STRLEN PL_WARN_NONE
4497 /* This is constant on most architectures, a global on OS/2 */
4499 EXTCONST char PL_sh_path[]
4500 INIT(SH_PATH); /* full path of shell */
4504 EXTCONST char PL_cshname[]
4506 # define PL_cshlen (sizeof(CSH "") - 1)
4509 /* These are baked at compile time into any shared perl library.
4510 In future releases this will allow us in main() to sanity test the
4511 library we're linking against. */
4513 EXTCONST U8 PL_revision
4514 INIT(PERL_REVISION);
4515 EXTCONST U8 PL_version
4517 EXTCONST U8 PL_subversion
4518 INIT(PERL_SUBVERSION);
4520 EXTCONST char PL_uuemap[65]
4521 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4523 /* a special string address whose value is "isa", but which perl knows
4524 * to treat as if it were really "DOES" when printing the method name in
4525 * the "Can't call method '%s'" error message */
4526 EXTCONST char PL_isa_DOES[]
4530 EXTCONST char PL_uudmap[256] =
4532 # include "uuudmap.h"
4534 # include "uudmap.h"
4537 EXTCONST char PL_bitcount[256] =
4539 # include "ubitcount.h"
4541 # include "bitcount.h"
4544 EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4545 EXTCONST int PL_sig_num[] = { SIG_NUM };
4547 EXTCONST char PL_uudmap[256];
4548 EXTCONST char PL_bitcount[256];
4549 EXTCONST char* const PL_sig_name[];
4550 EXTCONST int PL_sig_num[];
4553 /* fast conversion and case folding tables. The folding tables complement the
4554 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4555 * folds such as outside the range or to multiple characters. */
4560 /* The EBCDIC fold table depends on the code page, and hence is found in
4563 EXTCONST unsigned char PL_fold[] = {
4564 0, 1, 2, 3, 4, 5, 6, 7,
4565 8, 9, 10, 11, 12, 13, 14, 15,
4566 16, 17, 18, 19, 20, 21, 22, 23,
4567 24, 25, 26, 27, 28, 29, 30, 31,
4568 32, 33, 34, 35, 36, 37, 38, 39,
4569 40, 41, 42, 43, 44, 45, 46, 47,
4570 48, 49, 50, 51, 52, 53, 54, 55,
4571 56, 57, 58, 59, 60, 61, 62, 63,
4572 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4573 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4574 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4575 'x', 'y', 'z', 91, 92, 93, 94, 95,
4576 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4577 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4578 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4579 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4580 128, 129, 130, 131, 132, 133, 134, 135,
4581 136, 137, 138, 139, 140, 141, 142, 143,
4582 144, 145, 146, 147, 148, 149, 150, 151,
4583 152, 153, 154, 155, 156, 157, 158, 159,
4584 160, 161, 162, 163, 164, 165, 166, 167,
4585 168, 169, 170, 171, 172, 173, 174, 175,
4586 176, 177, 178, 179, 180, 181, 182, 183,
4587 184, 185, 186, 187, 188, 189, 190, 191,
4588 192, 193, 194, 195, 196, 197, 198, 199,
4589 200, 201, 202, 203, 204, 205, 206, 207,
4590 208, 209, 210, 211, 212, 213, 214, 215,
4591 216, 217, 218, 219, 220, 221, 222, 223,
4592 224, 225, 226, 227, 228, 229, 230, 231,
4593 232, 233, 234, 235, 236, 237, 238, 239,
4594 240, 241, 242, 243, 244, 245, 246, 247,
4595 248, 249, 250, 251, 252, 253, 254, 255
4597 EXTCONST unsigned char PL_fold_latin1[] = {
4598 /* Full latin1 complement folding, except for three problematic code points:
4599 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4600 * fold complements outside the Latin1 range, so can't match something
4601 * that isn't in utf8.
4602 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4603 * not one, so can't be represented in this table.
4605 * All have to be specially handled */
4606 0, 1, 2, 3, 4, 5, 6, 7,
4607 8, 9, 10, 11, 12, 13, 14, 15,
4608 16, 17, 18, 19, 20, 21, 22, 23,
4609 24, 25, 26, 27, 28, 29, 30, 31,
4610 32, 33, 34, 35, 36, 37, 38, 39,
4611 40, 41, 42, 43, 44, 45, 46, 47,
4612 48, 49, 50, 51, 52, 53, 54, 55,
4613 56, 57, 58, 59, 60, 61, 62, 63,
4614 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4615 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4616 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4617 'x', 'y', 'z', 91, 92, 93, 94, 95,
4618 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4619 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4620 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4621 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4622 128, 129, 130, 131, 132, 133, 134, 135,
4623 136, 137, 138, 139, 140, 141, 142, 143,
4624 144, 145, 146, 147, 148, 149, 150, 151,
4625 152, 153, 154, 155, 156, 157, 158, 159,
4626 160, 161, 162, 163, 164, 165, 166, 167,
4627 168, 169, 170, 171, 172, 173, 174, 175,
4628 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4629 184, 185, 186, 187, 188, 189, 190, 191,
4630 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4631 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4632 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4633 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4634 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4635 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4636 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4637 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4638 255 /* y with diaeresis */
4641 /* If these tables are accessed through ebcdic, the access will be converted to
4643 EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4644 0, 1, 2, 3, 4, 5, 6, 7,
4645 8, 9, 10, 11, 12, 13, 14, 15,
4646 16, 17, 18, 19, 20, 21, 22, 23,
4647 24, 25, 26, 27, 28, 29, 30, 31,
4648 32, 33, 34, 35, 36, 37, 38, 39,
4649 40, 41, 42, 43, 44, 45, 46, 47,
4650 48, 49, 50, 51, 52, 53, 54, 55,
4651 56, 57, 58, 59, 60, 61, 62, 63,
4652 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4653 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4654 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4655 'x', 'y', 'z', 91, 92, 93, 94, 95,
4656 96, 97, 98, 99, 100, 101, 102, 103,
4657 104, 105, 106, 107, 108, 109, 110, 111,
4658 112, 113, 114, 115, 116, 117, 118, 119,
4659 120, 121, 122, 123, 124, 125, 126, 127,
4660 128, 129, 130, 131, 132, 133, 134, 135,
4661 136, 137, 138, 139, 140, 141, 142, 143,
4662 144, 145, 146, 147, 148, 149, 150, 151,
4663 152, 153, 154, 155, 156, 157, 158, 159,
4664 160, 161, 162, 163, 164, 165, 166, 167,
4665 168, 169, 170, 171, 172, 173, 174, 175,
4666 176, 177, 178, 179, 180, 181, 182, 183,
4667 184, 185, 186, 187, 188, 189, 190, 191,
4668 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4669 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4670 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4671 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4672 224, 225, 226, 227, 228, 229, 230, 231,
4673 232, 233, 234, 235, 236, 237, 238, 239,
4674 240, 241, 242, 243, 244, 245, 246, 247,
4675 248, 249, 250, 251, 252, 253, 254, 255
4678 /* upper and title case of latin1 characters, modified so that the three tricky
4679 * ones are mapped to 255 (which is one of the three) */
4680 EXTCONST unsigned char PL_mod_latin1_uc[] = {
4681 0, 1, 2, 3, 4, 5, 6, 7,
4682 8, 9, 10, 11, 12, 13, 14, 15,
4683 16, 17, 18, 19, 20, 21, 22, 23,
4684 24, 25, 26, 27, 28, 29, 30, 31,
4685 32, 33, 34, 35, 36, 37, 38, 39,
4686 40, 41, 42, 43, 44, 45, 46, 47,
4687 48, 49, 50, 51, 52, 53, 54, 55,
4688 56, 57, 58, 59, 60, 61, 62, 63,
4689 64, 65, 66, 67, 68, 69, 70, 71,
4690 72, 73, 74, 75, 76, 77, 78, 79,
4691 80, 81, 82, 83, 84, 85, 86, 87,
4692 88, 89, 90, 91, 92, 93, 94, 95,
4693 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4694 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4695 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4696 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4697 128, 129, 130, 131, 132, 133, 134, 135,
4698 136, 137, 138, 139, 140, 141, 142, 143,
4699 144, 145, 146, 147, 148, 149, 150, 151,
4700 152, 153, 154, 155, 156, 157, 158, 159,
4701 160, 161, 162, 163, 164, 165, 166, 167,
4702 168, 169, 170, 171, 172, 173, 174, 175,
4703 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4704 184, 185, 186, 187, 188, 189, 190, 191,
4705 192, 193, 194, 195, 196, 197, 198, 199,
4706 200, 201, 202, 203, 204, 205, 206, 207,
4707 208, 209, 210, 211, 212, 213, 214, 215,
4708 216, 217, 218, 219, 220, 221, 222,
4709 #if UNICODE_MAJOR_VERSION > 2 \
4710 || (UNICODE_MAJOR_VERSION == 2 && UNICODE_DOT_VERSION >= 1 \
4711 && UNICODE_DOT_DOT_VERSION >= 8)
4713 #else /* uc(sharp s) is 'sharp s' itself in early unicode */
4716 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4717 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4718 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4719 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4721 #endif /* !EBCDIC, but still in DOINIT */
4722 #else /* ! DOINIT */
4724 EXTCONST unsigned char PL_fold[];
4725 EXTCONST unsigned char PL_fold_latin1[];
4726 EXTCONST unsigned char PL_mod_latin1_uc[];
4727 EXTCONST unsigned char PL_latin1_lc[];
4731 #ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
4733 EXT unsigned char PL_fold_locale[256] = { /* Unfortunately not EXTCONST. */
4734 0, 1, 2, 3, 4, 5, 6, 7,
4735 8, 9, 10, 11, 12, 13, 14, 15,
4736 16, 17, 18, 19, 20, 21, 22, 23,
4737 24, 25, 26, 27, 28, 29, 30, 31,
4738 32, 33, 34, 35, 36, 37, 38, 39,
4739 40, 41, 42, 43, 44, 45, 46, 47,
4740 48, 49, 50, 51, 52, 53, 54, 55,
4741 56, 57, 58, 59, 60, 61, 62, 63,
4742 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4743 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4744 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4745 'x', 'y', 'z', 91, 92, 93, 94, 95,
4746 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4747 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4748 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4749 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4750 128, 129, 130, 131, 132, 133, 134, 135,
4751 136, 137, 138, 139, 140, 141, 142, 143,
4752 144, 145, 146, 147, 148, 149, 150, 151,
4753 152, 153, 154, 155, 156, 157, 158, 159,
4754 160, 161, 162, 163, 164, 165, 166, 167,
4755 168, 169, 170, 171, 172, 173, 174, 175,
4756 176, 177, 178, 179, 180, 181, 182, 183,
4757 184, 185, 186, 187, 188, 189, 190, 191,
4758 192, 193, 194, 195, 196, 197, 198, 199,
4759 200, 201, 202, 203, 204, 205, 206, 207,
4760 208, 209, 210, 211, 212, 213, 214, 215,
4761 216, 217, 218, 219, 220, 221, 222, 223,
4762 224, 225, 226, 227, 228, 229, 230, 231,
4763 232, 233, 234, 235, 236, 237, 238, 239,
4764 240, 241, 242, 243, 244, 245, 246, 247,
4765 248, 249, 250, 251, 252, 253, 254, 255
4768 EXT unsigned char PL_fold_locale[256]; /* Unfortunately not EXTCONST. */
4770 #endif /* !PERL_GLOBAL_STRUCT */
4774 EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
4775 1, 2, 84, 151, 154, 155, 156, 157,
4776 165, 246, 250, 3, 158, 7, 18, 29,
4777 40, 51, 62, 73, 85, 96, 107, 118,
4778 129, 140, 147, 148, 149, 150, 152, 153,
4779 255, 6, 8, 9, 10, 11, 12, 13,
4780 14, 15, 24, 25, 26, 27, 28, 226,
4781 29, 30, 31, 32, 33, 43, 44, 45,
4782 46, 47, 48, 49, 50, 76, 77, 78,
4783 79, 80, 81, 82, 83, 84, 85, 86,
4784 87, 94, 95, 234, 181, 233, 187, 190,
4785 180, 96, 97, 98, 99, 100, 101, 102,
4786 104, 112, 182, 174, 236, 232, 229, 103,
4787 228, 226, 114, 115, 116, 117, 118, 119,
4788 120, 121, 122, 235, 176, 230, 194, 162,
4789 130, 131, 132, 133, 134, 135, 136, 137,
4790 138, 139, 201, 205, 163, 217, 220, 224,
4791 5, 248, 227, 244, 242, 255, 241, 231,
4792 240, 253, 16, 197, 19, 20, 21, 187,
4793 23, 169, 210, 245, 237, 249, 247, 239,
4794 168, 252, 34, 196, 36, 37, 38, 39,
4795 41, 42, 251, 254, 238, 223, 221, 213,
4796 225, 177, 52, 53, 54, 55, 56, 57,
4797 58, 59, 60, 61, 63, 64, 65, 66,
4798 67, 68, 69, 70, 71, 72, 74, 75,
4799 205, 208, 186, 202, 200, 218, 198, 179,
4800 178, 214, 88, 89, 90, 91, 92, 93,
4801 217, 166, 170, 207, 199, 209, 206, 204,
4802 160, 212, 105, 106, 108, 109, 110, 111,
4803 203, 113, 216, 215, 192, 175, 193, 243,
4804 172, 161, 123, 124, 125, 126, 127, 128,