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 #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(_STDC_C99)
35 /* See L<perlguts/"The Perl API"> for detailed notes on
36 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
38 /* Note that from here --> to <-- the same logic is
39 * repeated in makedef.pl, so be certain to update
40 * both places when editing. */
43 # if !defined(MULTIPLICITY)
48 #ifdef PERL_GLOBAL_STRUCT_PRIVATE
49 # ifndef PERL_GLOBAL_STRUCT
50 # define PERL_GLOBAL_STRUCT
54 #ifdef PERL_GLOBAL_STRUCT
61 # ifndef PERL_IMPLICIT_CONTEXT
62 # define PERL_IMPLICIT_CONTEXT
66 /* undef WIN32 when building on Cygwin (for libwin32) - gph */
72 #if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
79 # include "symbian/symbian_proto.h"
82 /* Any stack-challenged places. The limit varies (and often
83 * is configurable), but using more than a kilobyte of stack
84 * is usually dubious in these systems. */
85 #if defined(__SYMBIAN32__)
86 /* Symbian: need to work around the SDK features. *
87 * On WINS: MS VC5 generates calls to _chkstk, *
88 * if a "large" stack frame is allocated. *
89 * gcc on MARM does not generate calls like these. */
90 # define USE_HEAP_INSTEAD_OF_STACK
93 /* Use the reentrant APIs like localtime_r and getpwent_r */
94 /* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
95 #if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
96 # define USE_REENTRANT_API
99 /* <--- here ends the logic shared by perl.h and makedef.pl */
101 /* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
102 #if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
106 #undef START_EXTERN_C
110 # define START_EXTERN_C extern "C" {
111 # define END_EXTERN_C }
112 # define EXTERN_C extern "C"
114 # define START_EXTERN_C
115 # define END_EXTERN_C
116 # define EXTERN_C extern
119 /* Fallback definitions in case we don't have definitions from config.h.
120 This should only matter for systems that don't use Configure and
121 haven't been modified to define PERL_STATIC_INLINE yet.
123 #if !defined(PERL_STATIC_INLINE)
124 # ifdef HAS_STATIC_INLINE
125 # define PERL_STATIC_INLINE static inline
127 # define PERL_STATIC_INLINE static
131 #ifdef PERL_GLOBAL_STRUCT
132 # ifndef PERL_GET_VARS
133 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
134 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
135 # define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
136 # ifndef PERLIO_FUNCS_CONST
137 # define PERLIO_FUNCS_CONST /* Can't have these lying around. */
140 # define PERL_GET_VARS() PL_VarsPtr
145 #define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
147 #ifdef PERL_GLOBAL_STRUCT
148 # define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
153 #ifdef PERL_IMPLICIT_CONTEXT
154 # ifndef MULTIPLICITY
155 # define MULTIPLICITY
157 # define tTHX PerlInterpreter*
158 # define pTHX tTHX my_perl PERL_UNUSED_DECL
159 # define aTHX my_perl
160 # define aTHXa(a) aTHX = (tTHX)a
161 # ifdef PERL_GLOBAL_STRUCT
162 # define dTHXa(a) dVAR; pTHX = (tTHX)a
164 # define dTHXa(a) pTHX = (tTHX)a
166 # ifdef PERL_GLOBAL_STRUCT
167 # define dTHX dVAR; pTHX = PERL_GET_THX
169 # define dTHX pTHX = PERL_GET_THX
183 # if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
184 # define PERL_TRACK_MEMPOOL
187 # undef PERL_TRACK_MEMPOOL
190 #define STATIC static
193 /* Do not use these macros. They were part of PERL_OBJECT, which was an
194 * implementation of multiplicity using C++ objects. They have been left
195 * here solely for the sake of XS code which has incorrectly
198 #define CPERLscope(x) x
199 #define CPERLarg void
202 #define PERL_OBJECT_THIS
203 #define _PERL_OBJECT_THIS
204 #define PERL_OBJECT_THIS_
205 #define CALL_FPTR(fptr) (*fptr)
206 #define MEMBER_TO_FPTR(name) name
207 #endif /* !PERL_CORE */
209 #define CALLRUNOPS PL_runops
211 #define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
213 #define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
214 #define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
215 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
216 (strbeg),(minend),(sv),(data),(flags))
217 #define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
218 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
219 (strend),(flags),(data))
220 #define CALLREG_INTUIT_STRING(prog) \
221 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
223 #define CALLREGFREE(prog) \
224 Perl_pregfree(aTHX_ (prog))
226 #define CALLREGFREE_PVT(prog) \
227 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
229 #define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
230 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
232 #define CALLREG_NUMBUF_STORE(rx,paren,value) \
233 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
235 #define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
236 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
238 #define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
239 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
241 #define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
242 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
244 #define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
245 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
247 #define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
248 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
250 #define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
251 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
253 #define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
254 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
256 #define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
257 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
259 #define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
260 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
262 #define CALLREG_NAMED_BUFF_COUNT(rx) \
263 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
265 #define CALLREG_NAMED_BUFF_ALL(rx, flags) \
266 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
268 #define CALLREG_PACKAGE(rx) \
269 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
271 #if defined(USE_ITHREADS)
272 #define CALLREGDUPE(prog,param) \
273 Perl_re_dup(aTHX_ (prog),(param))
275 #define CALLREGDUPE_PVT(prog,param) \
276 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
285 * Because of backward compatibility reasons the PERL_UNUSED_DECL
286 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
288 * Note that there are C compilers such as MetroWerks CodeWarrior
289 * which do not have an "inlined" way (like the gcc __attribute__) of
290 * marking unused variables (they need e.g. a #pragma) and therefore
291 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
292 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
296 #if defined(__SYMBIAN32__) && defined(__GNUC__)
298 # define PERL_UNUSED_DECL
300 # define PERL_UNUSED_DECL __attribute__((unused))
304 #ifndef PERL_UNUSED_DECL
305 # if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
306 # define PERL_UNUSED_DECL __attribute__unused__
308 # define PERL_UNUSED_DECL
313 * for silencing unused variables that are actually used most of the time,
314 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs,
315 * or variables/arguments that are used only in certain configurations.
317 #ifndef PERL_UNUSED_ARG
318 # if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
320 # define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
322 # define PERL_UNUSED_ARG(x) ((void)sizeof(x))
325 #ifndef PERL_UNUSED_VAR
326 # define PERL_UNUSED_VAR(x) ((void)sizeof(x))
329 #if defined(USE_ITHREADS) || defined(PERL_GLOBAL_STRUCT)
330 # define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
332 # define PERL_UNUSED_CONTEXT
335 /* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
336 * g++ allows them but seems to have problems with them
337 * (insane errors ensue).
338 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
340 #if defined(PERL_GCC_PEDANTIC) || \
341 (defined(__GNUC__) && defined(__cplusplus) && \
342 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
343 # ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
344 # define PERL_GCC_BRACE_GROUPS_FORBIDDEN
348 /* Use PERL_UNUSED_RESULT() to suppress the warnings about unused results
349 * of function calls, e.g. PERL_UNUSED_RESULT(foo(a, b)).
351 * The main reason for this is that the combination of gcc -Wunused-result
352 * (part of -Wall) and the __attribute__((warn_unused_result)) cannot
353 * be silenced with casting to void. This causes trouble when the system
354 * header files use the attribute.
356 * Use PERL_UNUSED_RESULT sparingly, though, since usually the warning
357 * is there for a good reason: you might lose success/failure information,
358 * or leak resources, or changes in resources.
360 * But sometimes you just want to ignore the return value, e.g. on
361 * codepaths soon ending up in abort, or in "best effort" attempts,
362 * or in situations where there is no good way to handle failures.
364 * Sometimes PERL_UNUSED_RESULT might not be the most natural way:
365 * another possibility is that you can capture the return value
366 * and use PERL_UNUSED_VAR on that.
368 * The __typeof__() is used instead of typeof() since typeof() is not
369 * available under strict C89, and because of compilers masquerading
370 * as gcc (clang and icc), we want exactly the gcc extension
371 * __typeof__ and nothing else.
373 #ifndef PERL_UNUSED_RESULT
374 # if defined(__GNUC__) && defined(HASATTRIBUTE_WARN_UNUSED_RESULT)
375 # define PERL_UNUSED_RESULT(v) STMT_START { __typeof__(v) z = (v); (void)sizeof(z); } STMT_END
377 # define PERL_UNUSED_RESULT(v) ((void)(v))
381 /* on gcc (and clang), specify that a warning should be temporarily
384 * GCC_DIAG_IGNORE(-Wmultichar);
388 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
390 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
391 * clang only pretends to be GCC 4.2, but still supports push/pop.
393 * Note on usage: on non-gcc (or lookalike, like clang) compilers
394 * one cannot use these at file (global) level without warnings
395 * since they are defined as empty, which leads into the terminating
396 * semicolon being left alone on a line:
398 * which makes compilers mildly cranky. Therefore at file level one
399 * should use the GCC_DIAG_IGNORE and GCC_DIAG_RESTORE_FILE *without*
402 * (A dead-on-arrival solution would be to try to define the macros as
403 * NOOP or dNOOP, those don't work both inside functions and outside.)
406 #if defined(__clang__) || defined(__clang) || \
407 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
408 # define GCC_DIAG_PRAGMA(x) _Pragma (#x)
409 /* clang has "clang diagnostic" pragmas, but also understands gcc. */
410 # define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
411 GCC_DIAG_PRAGMA(GCC diagnostic ignored #x)
412 # define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
414 # define GCC_DIAG_IGNORE(w)
415 # define GCC_DIAG_RESTORE
418 #define NOOP /*EMPTY*/(void)0
419 /* cea2e8a9dd23747f accidentally lost the comment originally from the first
420 check in of thread.h, explaining why we need dNOOP at all: */
421 /* Rats: if dTHR is just blank then the subsequent ";" throws an error */
422 /* Declaring a *function*, instead of a variable, ensures that we don't rely
423 on being able to suppress "unused" warnings. */
425 #define dNOOP (void)0
427 #define dNOOP extern int Perl___notused(void)
431 /* Don't bother defining tTHX ; using it outside
432 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
438 # define aTHXa(a) NOOP
439 # define dTHXa(a) dNOOP
457 /* these are only defined for compatibility; should not be used internally */
458 #if !defined(pTHXo) && !defined(PERL_CORE)
460 # define pTHXo_ pTHX_
462 # define aTHXo_ aTHX_
464 # define dTHXoa(x) dTHXa(x)
468 # define pTHXx PerlInterpreter *my_perl
469 # define pTHXx_ pTHXx,
470 # define aTHXx my_perl
471 # define aTHXx_ aTHXx,
475 /* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
476 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
477 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
478 #ifdef PERL_IMPLICIT_SYS
479 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
480 # define dTHXs dVAR; dTHX
485 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
492 /* Some platforms require marking function declarations
493 * for them to be exportable. Used in perlio.h, proto.h
494 * is handled either by the makedef.pl or by defining the
495 * PERL_CALLCONV to be something special. See also the
496 * definition of XS() in XSUB.h. */
497 #ifndef PERL_EXPORT_C
499 # define PERL_EXPORT_C extern "C"
501 # define PERL_EXPORT_C extern
504 #ifndef PERL_XS_EXPORT_C
506 # define PERL_XS_EXPORT_C extern "C"
508 # define PERL_XS_EXPORT_C
512 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
513 # ifndef PERL_USE_GCC_BRACE_GROUPS
514 # define PERL_USE_GCC_BRACE_GROUPS
519 * STMT_START { statements; } STMT_END;
520 * can be used as a single statement, as in
521 * if (x) STMT_START { ... } STMT_END; else ...
523 * Trying to select a version that gives no warnings...
525 #if !(defined(STMT_START) && defined(STMT_END))
526 # ifdef PERL_USE_GCC_BRACE_GROUPS
527 # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
530 # define STMT_START do
531 # define STMT_END while (0)
535 #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
536 # define BYTEORDER 0x1234
539 /* Overall memory policy? */
544 #if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
551 * The following contortions are brought to you on behalf of all the
552 * standards, semi-standards, de facto standards, not-so-de-facto standards
553 * of the world, as well as all the other botches anyone ever thought of.
554 * The basic theory is that if we work hard enough here, the rest of the
555 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
558 /* define this once if either system, instead of cluttering up the src */
559 #if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
563 #if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
564 # define STANDARD_C 1
567 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
568 # define DONT_DECLARE_STD 1
571 #if defined(HASVOLATILE) || defined(STANDARD_C)
572 # define VOL volatile
577 /* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
578 * you get a perl without taint support, but doubtlessly with a lesser
579 * degree of support. Do not do so unless you know exactly what it means
580 * technically, have a good reason to do so, and know exactly how the
581 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
582 * a potential security risk due to flat out ignoring the security-relevant
583 * taint flags. This being said, a perl without taint support compiled in
584 * has marginal run-time performance benefits.
585 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
586 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
587 * silently ignores -t/-T instead of throwing an exception.
589 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
590 * voids your nonexistent warranty!
592 #if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
593 # define NO_TAINT_SUPPORT 1
596 /* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
597 * operations into no-ops for a very modest speed-up. Enable only if you
598 * know what you're doing: tests and CPAN modules' tests are bound to fail.
600 #ifdef NO_TAINT_SUPPORT
602 # define TAINT_NOT NOOP
603 # define TAINT_IF(c) NOOP
604 # define TAINT_ENV() NOOP
605 # define TAINT_PROPER(s) NOOP
606 # define TAINT_set(s) NOOP
608 # define TAINTING_get 0
609 # define TAINTING_set(s) NOOP
610 # define TAINT_WARN_get 0
611 # define TAINT_WARN_set(s) NOOP
613 # define TAINT (PL_tainted = TRUE)
614 # define TAINT_NOT (PL_tainted = FALSE)
615 # define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
616 # define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
617 # define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
618 # define TAINT_set(s) (PL_tainted = (s))
619 # define TAINT_get (PL_tainted)
620 # define TAINTING_get (PL_tainting)
621 # define TAINTING_set(s) (PL_tainting = (s))
622 # define TAINT_WARN_get (PL_taint_warn)
623 # define TAINT_WARN_set(s) (PL_taint_warn = (s))
626 /* flags used internally only within pp_subst and pp_substcont */
628 # define SUBST_TAINT_STR 1 /* string tainted */
629 # define SUBST_TAINT_PAT 2 /* pattern tainted */
630 # define SUBST_TAINT_REPL 4 /* replacement tainted */
631 # define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
632 # define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
635 /* XXX All process group stuff is handled in pp_sys.c. Should these
636 defines move there? If so, I could simplify this a lot. --AD 9/96.
638 /* Process group stuff changed from traditional BSD to POSIX.
639 perlfunc.pod documents the traditional BSD-style syntax, so we'll
640 try to preserve that, if possible.
643 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
645 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
646 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
648 # ifdef HAS_SETPGRP2 /* DG/UX */
649 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
653 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
654 # define HAS_SETPGRP /* Well, effectively it does . . . */
657 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
658 our life easier :-) so we'll try it.
661 # define BSD_GETPGRP(pid) getpgid((pid))
663 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
664 # define BSD_GETPGRP(pid) getpgrp((pid))
666 # ifdef HAS_GETPGRP2 /* DG/UX */
667 # define BSD_GETPGRP(pid) getpgrp2((pid))
671 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
672 # define HAS_GETPGRP /* Well, effectively it does . . . */
675 /* These are not exact synonyms, since setpgrp() and getpgrp() may
676 have different behaviors, but perl.h used to define USE_BSDPGRP
677 (prior to 5.003_05) so some extension might depend on it.
679 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
685 /* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
686 pthread.h must be included before all other header files.
688 #if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
689 # include <pthread.h>
692 #include <sys/types.h>
704 # include <varargs.h>
714 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
726 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
728 # define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
730 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
731 && defined(HAS_STRXFRM)
732 # define USE_LOCALE_COLLATE
734 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
735 # define USE_LOCALE_CTYPE
737 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
738 # define USE_LOCALE_NUMERIC
740 # if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
741 # define USE_LOCALE_MESSAGES
743 # if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
744 # define USE_LOCALE_MONETARY
746 # if !defined(NO_LOCALE_TIME) && defined(LC_TIME)
747 # define USE_LOCALE_TIME
749 # ifndef WIN32 /* No wrapper except on Windows */
750 # define my_setlocale(a,b) setlocale(a,b)
752 #endif /* !NO_LOCALE && HAS_SETLOCALE */
757 # ifdef PARAM_NEEDS_TYPES
758 # include <sys/types.h>
760 # include <sys/param.h>
763 /* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
764 value something like 199306. This may be useful if no more-specific
765 feature test is available.
773 /* Use all the "standard" definitions? */
774 #if defined(STANDARD_C) && defined(I_STDLIB)
778 /* If this causes problems, set i_unistd=undef in the hint file. */
785 # include <sys/wait.h>
789 # undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
792 #if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
793 EXTERN_C int syscall(int, ...);
796 #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
797 EXTERN_C int usleep(unsigned int);
802 /* macros for correct constant construction */
804 # define U16_CONST(x) ((U16)x##U)
806 # define U16_CONST(x) ((U16)x##UL)
810 # define U32_CONST(x) ((U32)x##U)
812 # define U32_CONST(x) ((U32)x##UL)
817 # define U64_CONST(x) ((U64)x##U)
819 # define U64_CONST(x) ((U64)x##UL)
820 # elif QUADKIND == QUAD_IS_LONG_LONG
821 # define U64_CONST(x) ((U64)x##ULL)
822 # elif QUADKIND == QUAD_IS___INT64
823 # define U64_CONST(x) ((U64)x##UI64)
824 # else /* best guess we can make */
825 # define U64_CONST(x) ((U64)x##UL)
829 /* byte-swapping functions for big-/little-endian conversion */
830 # define _swab_16_(x) ((U16)( \
831 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
832 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
834 # define _swab_32_(x) ((U32)( \
835 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
836 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
837 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
838 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
841 # define _swab_64_(x) ((U64)( \
842 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
843 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
844 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
845 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
846 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
847 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
848 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
849 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
852 /* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
853 at least on FreeBSD. YMMV, so experiment. */
854 #ifndef PERL_ARENA_SIZE
855 #define PERL_ARENA_SIZE 4080
858 /* Maximum level of recursion */
859 #ifndef PERL_SUB_DEPTH_WARN
860 #define PERL_SUB_DEPTH_WARN 100
863 #endif /* PERL_CORE */
865 /* We no longer default to creating a new SV for GvSV.
866 Do this before embed. */
867 #ifndef PERL_CREATE_GVSV
868 # ifndef PERL_DONT_CREATE_GVSV
869 # define PERL_DONT_CREATE_GVSV
873 #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
874 #define PERL_USES_PL_PIDSTATUS
877 #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
878 #define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
881 #define MEM_SIZE Size_t
883 /* Round all values passed to malloc up, by default to a multiple of
886 #ifndef PERL_STRLEN_ROUNDUP_QUANTUM
887 #define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
890 /* sv_grow() will expand strings by at least a certain percentage of
891 the previously *used* length to avoid excessive calls to realloc().
892 The default is 25% of the current length.
894 #ifndef PERL_STRLEN_EXPAND_SHIFT
895 # define PERL_STRLEN_EXPAND_SHIFT 2
898 #if defined(STANDARD_C) && defined(I_STDDEF) && !defined(PERL_GCC_PEDANTIC)
900 # define STRUCT_OFFSET(s,m) offsetof(s,m)
902 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
905 /* ptrdiff_t is C11, so undef it under pedantic builds */
906 #ifdef PERL_GCC_PEDANTIC
907 # undef HAS_PTRDIFF_T
910 #ifndef __SYMBIAN32__
911 # if defined(I_STRING) || defined(__cplusplus)
914 # include <strings.h>
918 /* This comes after <stdlib.h> so we don't try to change the standard
919 * library prototypes; we'll use our own in proto.h instead. */
922 # ifdef PERL_POLLUTE_MALLOC
923 # ifndef PERL_EXTMALLOC_DEF
924 # define Perl_malloc malloc
925 # define Perl_calloc calloc
926 # define Perl_realloc realloc
927 # define Perl_mfree free
930 # define EMBEDMYMALLOC /* for compatibility */
933 # define safemalloc Perl_malloc
934 # define safecalloc Perl_calloc
935 # define saferealloc Perl_realloc
936 # define safefree Perl_mfree
937 # define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
938 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
941 # define CHECK_MALLOC_TOO_LATE_FOR(ch) \
942 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
943 # define panic_write2(s) write(2, s, strlen(s))
944 # define CHECK_MALLOC_TAINT(newval) \
945 CHECK_MALLOC_TOO_LATE_FOR_( \
947 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
949 # define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
950 if (doing_taint(argc,argv,env)) { \
951 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
954 # define safemalloc safesysmalloc
955 # define safecalloc safesyscalloc
956 # define saferealloc safesysrealloc
957 # define safefree safesysfree
958 # define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
959 # define CHECK_MALLOC_TAINT(newval) ((void)0)
960 # define MALLOC_CHECK_TAINT(argc,argv,env)
961 #endif /* MYMALLOC */
963 /* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
964 #define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
965 #define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
966 #define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
967 #define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
969 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
971 #define strrchr rindex
979 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
981 extern char * memcpy (char*, char*, int);
987 # define memcpy(d,s,l) bcopy(s,d,l)
989 # define memcpy(d,s,l) my_bcopy(s,d,l)
992 #endif /* HAS_MEMCPY */
995 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
997 extern char *memset (char*, int, int);
1002 # define memset(d,c,l) my_memset(d,c,l)
1003 #endif /* HAS_MEMSET */
1005 #if !defined(HAS_MEMMOVE) && !defined(memmove)
1006 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
1007 # define memmove(d,s,l) bcopy(s,d,l)
1009 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
1010 # define memmove(d,s,l) memcpy(d,s,l)
1012 # define memmove(d,s,l) my_bcopy(s,d,l)
1017 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
1021 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
1022 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
1024 extern int memcmp (char*, char*, int);
1029 # define memcmp my_memcmp
1031 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
1035 # define memzero(d,l) memset(d,0,l)
1038 # define memzero(d,l) bzero(d,l)
1040 # define memzero(d,l) my_bzero(d,l)
1048 # define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1055 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
1057 #endif /* !HAS_BCMP */
1060 # include <netinet/in.h>
1064 # include <arpa/inet.h>
1068 # include <sys/stat.h>
1071 /* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1072 This definition should ideally go into win32/win32.h, but S_IFIFO is
1073 used later here in perl.h before win32/win32.h is being included. */
1074 #if !defined(S_IFIFO) && defined(_S_IFIFO)
1075 # define S_IFIFO _S_IFIFO
1078 /* The stat macros for Unisoft System V/88 (and derivatives
1079 like UTekV) are broken, sometimes giving false positives. Undefine
1080 them here and let the code below set them to proper values.
1082 The ghs macro stands for GreenHills Software C-1.8.5 which
1083 is the C compiler for sysV88 and the various derivatives.
1084 This header file bug is corrected in gcc-2.5.8 and later versions.
1085 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1087 #if defined(m88k) && defined(ghs)
1101 # ifdef I_SYS_TIME_KERNEL
1104 # include <sys/time.h>
1105 # ifdef I_SYS_TIME_KERNEL
1110 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
1111 # include <sys/times.h>
1114 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
1115 # undef HAS_STRERROR
1120 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
1121 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1124 /* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1125 * This is important for using IPv6.
1126 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1127 * a bad idea since it breaks send() and recv(). */
1128 #if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1129 # define _SOCKADDR_LEN
1132 #if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1133 # include <sys/socket.h>
1134 # if defined(USE_SOCKS) && defined(I_SOCKS)
1135 # if !defined(INCLUDE_PROTOTYPES)
1136 # define INCLUDE_PROTOTYPES /* for <socks.h> */
1137 # define PERL_SOCKS_NEED_PROTOTYPES
1140 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1141 # undef INCLUDE_PROTOTYPES
1142 # undef PERL_SOCKS_NEED_PROTOTYPES
1153 # include <net/errno.h>
1158 /* sockatmark() is so new (2001) that many places might have it hidden
1159 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1160 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
1161 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
1162 # if defined(__THROW) && defined(__GLIBC__)
1163 int sockatmark(int) __THROW;
1165 int sockatmark(int);
1169 #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. */
1170 EXTERN_C int fchdir(int);
1171 EXTERN_C int flock(int, int);
1172 EXTERN_C int fseeko(FILE *, off_t, int);
1173 EXTERN_C off_t ftello(FILE *);
1176 #if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1177 EXTERN_C char *crypt(const char *, const char *);
1178 EXTERN_C char **environ;
1181 #if defined(__cplusplus)
1182 # if defined(BSDish)
1183 EXTERN_C char **environ;
1184 # elif defined(__CYGWIN__)
1185 EXTERN_C char *crypt(const char *, const char *);
1190 # undef SETERRNO /* SOCKS might have defined this */
1194 # define SETERRNO(errcode,vmserrcode) \
1196 set_errno(errcode); \
1197 set_vaxc_errno(vmserrcode); \
1199 # define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1200 # define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1201 # define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1202 # define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1204 # define LIB_INVARG LIB$_INVARG
1205 # define RMS_DIR RMS$_DIR
1206 # define RMS_FAC RMS$_FAC
1207 # define RMS_FEX RMS$_FEX
1208 # define RMS_FNF RMS$_FNF
1209 # define RMS_IFI RMS$_IFI
1210 # define RMS_ISI RMS$_ISI
1211 # define RMS_PRV RMS$_PRV
1212 # define SS_ACCVIO SS$_ACCVIO
1213 # define SS_DEVOFFLINE SS$_DEVOFFLINE
1214 # define SS_IVCHAN SS$_IVCHAN
1215 # define SS_NORMAL SS$_NORMAL
1216 # define SS_NOPRIV SS$_NOPRIV
1218 # define LIB_INVARG 0
1226 # define SS_ACCVIO 0
1227 # define SS_DEVOFFLINE 0
1228 # define SS_IVCHAN 0
1229 # define SS_NORMAL 0
1230 # define SS_NOPRIV 0
1234 # define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1235 # define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1236 # define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1237 # define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1241 # define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1242 # define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1243 # define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1244 # define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1248 # define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1252 # define dSAVEDERRNO int saved_errno
1253 # define dSAVE_ERRNO int saved_errno = errno
1254 # define SAVE_ERRNO (saved_errno = errno)
1255 # define RESTORE_ERRNO (errno = saved_errno)
1258 #define ERRSV GvSVn(PL_errgv)
1260 #define CLEAR_ERRSV() STMT_START { \
1261 if (!GvSV(PL_errgv)) { \
1262 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1263 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1264 SvREFCNT_dec(GvSV(PL_errgv)); \
1265 GvSV(PL_errgv) = newSVpvs(""); \
1267 SV *const errsv = GvSV(PL_errgv); \
1268 sv_setpvs(errsv, ""); \
1269 if (SvMAGICAL(errsv)) { \
1272 SvPOK_only(errsv); \
1278 # define DEFSV (0 + GvSVn(PL_defgv))
1279 # define DEFSV_set(sv) \
1280 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1281 # define SAVE_DEFSV \
1283 save_gp(PL_defgv, 0), \
1284 GvINTRO_off(PL_defgv), \
1285 SAVEGENERICSV(GvSV(PL_defgv)), \
1286 GvSV(PL_defgv) = NULL \
1289 # define DEFSV GvSVn(PL_defgv)
1290 # define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1291 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
1295 extern int errno; /* ANSI allows errno to be an lvalue expr.
1296 * For example in multithreaded environments
1297 * something like this might happen:
1298 * extern int *_errno(void);
1299 * #define errno (*_errno()) */
1302 #define UNKNOWN_ERRNO_MSG "(unknown)"
1305 # ifndef DONT_DECLARE_STD
1307 char *strerror (int,...);
1309 char *strerror (int);
1313 # define Strerror strerror
1316 # ifdef HAS_SYS_ERRLIST
1317 extern int sys_nerr;
1318 extern char *sys_errlist[];
1320 # define Strerror(e) \
1321 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
1328 # include <sys/ioctl.h>
1332 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
1333 # ifdef HAS_SOCKETPAIR
1334 # undef HAS_SOCKETPAIR
1341 #ifndef HAS_SOCKETPAIR
1343 # define socketpair Perl_my_socketpair
1348 # define htoni htons
1349 # define ntohi ntohs
1351 # define htoni htonl
1352 # define ntohi ntohl
1355 /* Configure already sets Direntry_t */
1356 #if defined(I_DIRENT)
1357 # include <dirent.h>
1360 # include <sys/ndir.h>
1364 # include <ndir.h> /* may be wrong in the future */
1366 # include <sys/dir.h>
1373 * The following gobbledygook brought to you on behalf of __STDC__.
1374 * (I could just use #ifndef __STDC__, but this is more bulletproof
1375 * in the face of half-implementations.)
1378 #if defined(I_SYSMODE)
1379 #include <sys/mode.h>
1384 # define S_IFMT _S_IFMT
1386 # define S_IFMT 0170000
1391 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1395 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1400 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1402 # define S_ISBLK(m) (0)
1407 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1412 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1414 # define S_ISFIFO(m) (0)
1420 # define S_ISLNK(m) _S_ISLNK(m)
1423 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1426 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1428 # define S_ISLNK(m) (0)
1436 # define S_ISSOCK(m) _S_ISSOCK(m)
1439 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1442 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1444 # define S_ISSOCK(m) (0)
1452 # define S_IRUSR S_IREAD
1453 # define S_IWUSR S_IWRITE
1454 # define S_IXUSR S_IEXEC
1456 # define S_IRUSR 0400
1457 # define S_IWUSR 0200
1458 # define S_IXUSR 0100
1464 # define S_IRGRP (S_IRUSR>>3)
1465 # define S_IWGRP (S_IWUSR>>3)
1466 # define S_IXGRP (S_IXUSR>>3)
1468 # define S_IRGRP 0040
1469 # define S_IWGRP 0020
1470 # define S_IXGRP 0010
1476 # define S_IROTH (S_IRUSR>>6)
1477 # define S_IWOTH (S_IWUSR>>6)
1478 # define S_IXOTH (S_IXUSR>>6)
1480 # define S_IROTH 0040
1481 # define S_IWOTH 0020
1482 # define S_IXOTH 0010
1487 # define S_ISUID 04000
1491 # define S_ISGID 02000
1495 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
1499 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
1503 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
1506 /* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1507 * which would get included through <sys/file.h >, but that is 3000
1508 * lines in the future. --jhi */
1510 #if !defined(S_IREAD) && !defined(__HAIKU__)
1511 # define S_IREAD S_IRUSR
1514 #if !defined(S_IWRITE) && !defined(__HAIKU__)
1515 # define S_IWRITE S_IWUSR
1519 # define S_IEXEC S_IXUSR
1522 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
1523 # define SLOPPYDIVIDE
1530 /* For the times when you want the return value of sprintf, and you want it
1531 to be the length. Can't have a thread variable passed in, because C89 has
1534 #ifdef SPRINTF_RETURNS_STRLEN
1535 # define my_sprintf sprintf
1537 # define my_sprintf Perl_my_sprintf
1541 * If we have v?snprintf() and the C99 variadic macros, we can just
1542 * use just the v?snprintf(). It is nice to try to trap the buffer
1543 * overflow, however, so if we are DEBUGGING, and we cannot use the
1544 * gcc statement expressions, then use the function wrappers which try
1545 * to trap the overflow. If we can use the gcc statement expressions,
1546 * we can try that even with the version that uses the C99 variadic
1550 /* Note that we do not check against snprintf()/vsnprintf() returning
1551 * negative values because that is non-standard behaviour and we use
1552 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1553 * that should be true only if the snprintf()/vsnprintf() are true
1554 * to the standard. */
1556 #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
1558 #if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1559 # ifdef PERL_USE_GCC_BRACE_GROUPS
1560 # define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1561 # define PERL_MY_SNPRINTF_GUARDED
1563 # define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
1566 # define my_snprintf Perl_my_snprintf
1567 # define PERL_MY_SNPRINTF_GUARDED
1570 #if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1571 # ifdef PERL_USE_GCC_BRACE_GROUPS
1572 # define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1573 # define PERL_MY_VSNPRINTF_GUARDED
1575 # define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
1578 # define my_vsnprintf Perl_my_vsnprintf
1579 # define PERL_MY_VSNPRINTF_GUARDED
1582 /* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1583 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1584 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1585 * completely ignore it: otherwise you cannot know whether your output
1588 * int len = my_sprintf(buf, max, ...);
1589 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1591 * The trick is that in certain platforms [a] the my_sprintf() already
1592 * contains the sanity check, while in certain platforms [b] it needs
1593 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1594 * platforms the POST_GUARD actually does nothing since the check has
1595 * already been done. Watch out for the max being the same in both calls.
1597 * If you actually use the snprintf/vsnprintf return value already,
1598 * you assumedly are checking its validity somehow. But you can
1599 * insert the POST_GUARD() also in that case. */
1601 #ifndef PERL_MY_SNPRINTF_GUARDED
1602 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1604 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1607 #ifndef PERL_MY_VSNPRINTF_GUARDED
1608 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1610 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1614 # define my_strlcat strlcat
1616 # define my_strlcat Perl_my_strlcat
1620 # define my_strlcpy strlcpy
1622 # define my_strlcpy Perl_my_strlcpy
1626 The IV type is supposed to be long enough to hold any integral
1628 --Andy Dougherty August 1996
1634 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
1635 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
1636 # define IV_MAX INT64_MAX
1637 # define IV_MIN INT64_MIN
1638 # define UV_MAX UINT64_MAX
1640 # define UINT64_MIN 0
1642 # define UV_MIN UINT64_MIN
1644 # define IV_MAX PERL_QUAD_MAX
1645 # define IV_MIN PERL_QUAD_MIN
1646 # define UV_MAX PERL_UQUAD_MAX
1647 # define UV_MIN PERL_UQUAD_MIN
1652 # if defined(INT32_MAX) && IVSIZE == 4
1653 # define IV_MAX INT32_MAX
1654 # define IV_MIN INT32_MIN
1655 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1656 # define UV_MAX UINT32_MAX
1658 # define UV_MAX 4294967295U
1661 # define UINT32_MIN 0
1663 # define UV_MIN UINT32_MIN
1665 # define IV_MAX PERL_LONG_MAX
1666 # define IV_MIN PERL_LONG_MIN
1667 # define UV_MAX PERL_ULONG_MAX
1668 # define UV_MIN PERL_ULONG_MIN
1679 #if !defined(PERL_CORE) || defined(USING_MSVC6)
1680 /* We think that removing this decade-old undef this will cause too much
1681 breakage on CPAN for too little gain. (See RT #119753)
1682 However, we do need HAS_QUAD in the core for use by the drand48 code,
1683 but not for Win32 VC6 because it has poor __int64 support. */
1689 #define Size_t_MAX (~(Size_t)0)
1690 #define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1)
1692 #define IV_DIG (BIT_DIGITS(IVSIZE * 8))
1693 #define UV_DIG (BIT_DIGITS(UVSIZE * 8))
1695 #ifndef NO_PERL_PRESERVE_IVUV
1696 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
1700 * The macros INT2PTR and NUM2PTR are (despite their names)
1701 * bi-directional: they will convert int/float to or from pointers.
1702 * However the conversion to int/float are named explicitly:
1703 * PTR2IV, PTR2UV, PTR2NV.
1705 * For int conversions we do not need two casts if pointers are
1706 * the same size as IV and UV. Otherwise we need an explicit
1707 * cast (PTRV) to avoid compiler warnings.
1709 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1711 # define INT2PTR(any,d) (any)(d)
1713 # if PTRSIZE == LONGSIZE
1714 # define PTRV unsigned long
1715 # define PTR2ul(p) (unsigned long)(p)
1717 # define PTRV unsigned
1722 # define INT2PTR(any,d) (any)(PTRV)(d)
1726 # define PTR2ul(p) INT2PTR(unsigned long,p)
1729 #define NUM2PTR(any,d) (any)(PTRV)(d)
1730 #define PTR2IV(p) INT2PTR(IV,p)
1731 #define PTR2UV(p) INT2PTR(UV,p)
1732 #define PTR2NV(p) NUM2PTR(NV,p)
1733 #define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
1735 /* According to strict ANSI C89 one cannot freely cast between
1736 * data pointers and function (code) pointers. There are at least
1737 * two ways around this. One (used below) is to do two casts,
1738 * first the other pointer to an (unsigned) integer, and then
1739 * the integer to the other pointer. The other way would be
1740 * to use unions to "overlay" the pointers. For an example of
1741 * the latter technique, see union dirpu in struct xpvio in sv.h.
1742 * The only feasible use is probably temporarily storing
1743 * function pointers in a data pointer (such as a void pointer). */
1745 #define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1746 #define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
1748 #ifdef USE_LONG_DOUBLE
1749 # if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1750 # define LONG_DOUBLE_EQUALS_DOUBLE
1752 # if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
1753 # undef USE_LONG_DOUBLE /* Ouch! */
1758 /* Use an overridden DBL_DIG */
1762 # define DBL_DIG OVR_DBL_DIG
1764 /* The following is all to get DBL_DIG, in order to pick a nice
1765 default value for printing floating point numbers in Gconvert
1766 (see config.h). (It also has other uses, such as figuring out if
1767 a given precision of printing can be done with a double instead of
1768 a long double - Allen).
1777 #define DBL_DIG 15 /* A guess that works lots of places */
1782 /* Use an overridden LDBL_DIG */
1786 # define LDBL_DIG OVR_LDBL_DIG
1788 /* The following is all to get LDBL_DIG, in order to pick a nice
1789 default value for printing floating point numbers in Gconvert.
1793 # include <limits.h>
1798 # ifndef HAS_LDBL_DIG
1799 # if LONG_DOUBLESIZE == 10
1800 # define LDBL_DIG 18 /* assume IEEE */
1802 # if LONG_DOUBLESIZE == 12
1803 # define LDBL_DIG 18 /* gcc? */
1805 # if LONG_DOUBLESIZE == 16
1806 # define LDBL_DIG 33 /* assume IEEE */
1808 # if LONG_DOUBLESIZE == DOUBLESIZE
1809 # define LDBL_DIG DBL_DIG /* bummer */
1818 * This is for making sure we have a good DBL_MAX value, if possible,
1819 * either for usage as NV_MAX or for usage in figuring out if we can
1820 * fit a given long double into a double, if bug-fixing makes it
1821 * necessary to do so. - Allen <allens@cpan.org>
1825 # include <limits.h>
1829 # if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1830 # include <values.h>
1831 # if defined(MAXDOUBLE) && !defined(DBL_MAX)
1832 # define DBL_MAX MAXDOUBLE
1834 # if defined(MINDOUBLE) && !defined(DBL_MIN)
1835 # define DBL_MIN MINDOUBLE
1838 #endif /* defined(I_VALUES) */
1843 # include <ieeefp.h>
1846 #ifdef USE_LONG_DOUBLE
1848 # include <sunmath.h>
1850 # define NV_DIG LDBL_DIG
1851 # ifdef LDBL_MANT_DIG
1852 # define NV_MANT_DIG LDBL_MANT_DIG
1855 # define NV_MIN LDBL_MIN
1858 # define NV_MAX LDBL_MAX
1860 # ifdef LDBL_MIN_EXP
1861 # define NV_MIN_EXP LDBL_MIN_EXP
1863 # ifdef LDBL_MAX_EXP
1864 # define NV_MAX_EXP LDBL_MAX_EXP
1866 # ifdef LDBL_MIN_10_EXP
1867 # define NV_MIN_10_EXP LDBL_MIN_10_EXP
1869 # ifdef LDBL_MAX_10_EXP
1870 # define NV_MAX_10_EXP LDBL_MAX_10_EXP
1872 # ifdef LDBL_EPSILON
1873 # define NV_EPSILON LDBL_EPSILON
1876 # define NV_MAX LDBL_MAX
1877 /* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
1880 # define NV_MAX HUGE_VALL
1883 # define NV_MAX ((NV)HUGE_VAL)
1888 # define Perl_cos cosl
1889 # define Perl_sin sinl
1890 # define Perl_sqrt sqrtl
1891 # define Perl_exp expl
1892 # define Perl_log logl
1893 # define Perl_atan2 atan2l
1894 # define Perl_pow powl
1895 # define Perl_floor floorl
1896 # define Perl_ceil ceill
1897 # define Perl_fmod fmodl
1898 # define Perl_acos acosl
1899 # define Perl_asin asinl
1900 # define Perl_atan atanl
1901 # define Perl_cosh coshl
1902 # define Perl_log10 log10l
1903 # define Perl_sinh sinhl
1904 # define Perl_tan tanl
1905 # define Perl_tanh tanhl
1907 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1909 # define Perl_modf(x,y) modfl(x,y)
1910 /* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1911 prototype in <math.h> */
1912 # ifndef HAS_MODFL_PROTO
1913 EXTERN_C long double modfl(long double, long double *);
1916 # if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
1917 extern long double Perl_my_modfl(long double x, long double *ip);
1918 # define Perl_modf(x,y) Perl_my_modfl(x,y)
1922 # define Perl_frexp(x,y) frexpl(x,y)
1924 # if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1925 extern long double Perl_my_frexpl(long double x, int *e);
1926 # define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1930 # define Perl_ldexp(x, y) ldexpl(x,y)
1932 # if defined(HAS_SCALBNL) && FLT_RADIX == 2
1933 # define Perl_ldexp(x,y) scalbnl(x,y)
1937 # if defined(HAS_ISNANL) && !(defined(isnan) && HAS_C99)
1938 # define Perl_isnan(x) isnanl(x)
1942 # if defined(HAS_ISINFL) && !(defined(isinf) && HAS_C99)
1943 # define Perl_isinf(x) isinfl(x)
1944 # elif defined(LDBL_MAX)
1945 # define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX)
1948 # if !defined(Perl_isfinite) && !(defined(isfinite) && HAS_C99)
1949 # ifdef HAS_ISFINITEL
1950 # define Perl_isfinite(x) isfinitel(x)
1951 # elif defined(HAS_FINITEL)
1952 # define Perl_isfinite(x) finitel(x)
1953 # elif defined(LDBL_MAX)
1954 # define Perl_isfinite(x) ((x) <= LDBL_MAX && (x) >= -LDBL_MAX)
1958 # define NV_DIG DBL_DIG
1959 # ifdef DBL_MANT_DIG
1960 # define NV_MANT_DIG DBL_MANT_DIG
1963 # define NV_MIN DBL_MIN
1966 # define NV_MAX DBL_MAX
1969 # define NV_MIN_EXP DBL_MIN_EXP
1972 # define NV_MAX_EXP DBL_MAX_EXP
1974 # ifdef DBL_MIN_10_EXP
1975 # define NV_MIN_10_EXP DBL_MIN_10_EXP
1977 # ifdef DBL_MAX_10_EXP
1978 # define NV_MAX_10_EXP DBL_MAX_10_EXP
1981 # define NV_EPSILON DBL_EPSILON
1983 # ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
1984 # define NV_MAX DBL_MAX
1985 # define NV_MIN DBL_MIN
1988 # define NV_MAX HUGE_VAL
1991 # define Perl_cos cos
1992 # define Perl_sin sin
1993 # define Perl_sqrt sqrt
1994 # define Perl_exp exp
1995 # define Perl_log log
1996 # define Perl_atan2 atan2
1997 # define Perl_pow pow
1998 # define Perl_floor floor
1999 # define Perl_ceil ceil
2000 # define Perl_fmod fmod
2001 # define Perl_modf(x,y) modf(x,y)
2002 # define Perl_frexp(x,y) frexp(x,y)
2003 # define Perl_ldexp(x,y) ldexp(x,y)
2004 # define Perl_acos acos
2005 # define Perl_asin asin
2006 # define Perl_atan atan
2007 # define Perl_cosh cosh
2008 # define Perl_log10 log10
2009 # define Perl_sinh sinh
2010 # define Perl_tan tan
2011 # define Perl_tanh tanh
2014 # define Perl_isnan(x) isnan(x)
2018 # if defined(HAS_ISINF)
2019 # define Perl_isinf(x) isinf(x)
2020 # elif defined(DBL_MAX)
2021 # define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX)
2024 # ifndef Perl_isfinite
2025 # ifdef HAS_ISFINITE
2026 # define Perl_isfinite(x) isfinite(x)
2027 # elif defined(HAS_FINITE)
2028 # define Perl_isfinite(x) finite(x)
2029 # elif defined(DBL_MAX)
2030 # define Perl_isfinite(x) ((x) <= DBL_MAX && (x) >= -DBL_MAX)
2035 /* fpclassify(): C99. It is supposed to be a macro that switches on
2036 * the sizeof() of its argument, so there's no need for e.g. fpclassifyl().*/
2037 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2039 # if defined(FP_INFINITE) && defined(FP_NAN)
2040 # define Perl_fp_class(x) fpclassify(x)
2041 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2042 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2043 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2044 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2045 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2046 # elif defined(FP_PLUS_INF) && defined(FP_QNAN)
2047 /* Some versions of HP-UX (10.20) have (only) fpclassify() but which is
2048 * actually not the C99 fpclassify, with its own set of return defines. */
2049 # define Perl_fp_class(x) fpclassify(x)
2050 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2051 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2052 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2053 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2054 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2055 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2056 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2057 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2058 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2059 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2061 # undef Perl_fp_class /* Unknown set of defines */
2065 /* fp_classify(): Legacy: VMS, maybe Unicos? The values, however,
2066 * are identical to the C99 fpclassify(). */
2067 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASSIFY)
2070 /* FP_INFINITE and others are here rather than in math.h as C99 stipulates */
2072 /* oh, and the isnormal macro has a typo in it! */
2074 # define isnormal(x) Perl_fp_class_norm(x)
2076 # if defined(FP_INFINITE) && defined(FP_NAN)
2077 # define Perl_fp_class(x) fp_classify(x)
2078 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2079 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2080 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2081 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2082 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2084 # undef Perl_fp_class /* Unknown set of defines */
2088 /* Feel free to check with me for the SGI manpages, SGI testing,
2089 * etcetera, if you want to try getting this to work with IRIX.
2091 * - Allen <allens@cpan.org> */
2093 /* fpclass(): SysV, at least Solaris and some versions of IRIX. */
2094 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2095 /* Solaris and IRIX have fpclass/fpclassl, but they are using
2096 * an enum typedef, not cpp symbols, and Configure doesn't detect that.
2097 * Define some symbols also as cpp symbols so we can detect them. */
2098 # if defined(__sun) || defined(__irix__) /* XXX Configure test instead */
2099 # define FP_PINF FP_PINF
2100 # define FP_QNAN FP_QNAN
2104 # include <ieeefp.h>
2109 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2110 # define Perl_fp_class(x) fpclassl(x)
2112 # define Perl_fp_class(x) fpclass(x)
2114 # if defined(FP_CLASS_PINF) && defined(FP_CLASS_SNAN)
2115 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2116 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2117 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2118 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2119 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2120 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2121 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2122 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2123 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2124 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2125 # elif defined(FP_PINF) && defined(FP_QNAN)
2126 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2127 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2128 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NINF)
2129 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PINF)
2130 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NNORM)
2131 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PNORM)
2132 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NDENORM)
2133 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PDENORM)
2134 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NZERO)
2135 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PZERO)
2137 # undef Perl_fp_class /* Unknown set of defines */
2141 /* fp_class(): Legacy: at least Tru64, some versions of IRIX. */
2142 #if !defined(Perl_fp_class) && (defined(HAS_FP_CLASS)||defined(HAS_FP_CLASSL))
2144 # if !defined(FP_SNAN) && defined(I_FP_CLASS)
2145 # include <fp_class.h>
2147 # if defined(FP_POS_INF) && defined(FP_QNAN)
2148 # ifdef __irix__ /* XXX Configure test instead */
2149 # ifdef USE_LONG_DOUBLE
2150 # define Perl_fp_class(x) fp_class_l(x)
2152 # define Perl_fp_class(x) fp_class_d(x)
2155 # if defined(USE_LONG_DOUBLE) && defined(HAS_FP_CLASSL)
2156 # define Perl_fp_class(x) fp_classl(x)
2158 # define Perl_fp_class(x) fp_class(x)
2161 # if defined(FP_POS_INF) && defined(FP_QNAN)
2162 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2163 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2164 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NEG_INF)
2165 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_POS_INF)
2166 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NEG_NORM)
2167 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_POS_NORM)
2168 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NEG_DENORM)
2169 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_POS_DENORM)
2170 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NEG_ZERO)
2171 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_POS_ZERO)
2173 # undef Perl_fp_class /* Unknown set of defines */
2178 /* class(), _class(): Legacy: AIX. */
2179 #if !defined(Perl_fp_class) && defined(HAS_CLASS)
2181 # if defined(FP_PLUS_NORM) && defined(FP_PLUS_INF)
2183 # define Perl_fp_class(x) class(x)
2185 # define Perl_fp_class(x) _class(x)
2187 # if defined(FP_PLUS_INF) && defined(FP_NANQ)
2188 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2189 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2190 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2191 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2192 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2193 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2194 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2195 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2196 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2197 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2199 # undef Perl_fp_class /* Unknown set of defines */
2204 /* Win32: _fpclass(), _isnan(), _finite(). */
2207 # define Perl_isnan(x) _isnan(x)
2209 # ifndef Perl_isfinite
2210 # define Perl_isfinite(x) _finite(x)
2212 # ifndef Perl_fp_class_snan
2213 /* No simple way to #define Perl_fp_class because _fpclass()
2214 * returns a set of bits. */
2215 # define Perl_fp_class_snan(x) (_fpclass(x) & _FPCLASS_SNAN)
2216 # define Perl_fp_class_qnan(x) (_fpclass(x) & _FPCLASS_QNAN)
2217 # define Perl_fp_class_nan(x) (_fpclass(x) & (_FPCLASS_SNAN|_FPCLASS_QNAN))
2218 # define Perl_fp_class_ninf(x) (_fpclass(x) & _FPCLASS_NINF))
2219 # define Perl_fp_class_pinf(x) (_fpclass(x) & _FPCLASS_PINF))
2220 # define Perl_fp_class_inf(x) (_fpclass(x) & (_FPCLASS_NINF|_FPCLASS_PINF))
2221 # define Perl_fp_class_nnorm(x) (_fpclass(x) & _FPCLASS_NN)
2222 # define Perl_fp_class_pnorm(x) (_fpclass(x) & _FPCLASS_PN)
2223 # define Perl_fp_class_norm(x) (_fpclass(x) & (_FPCLASS_NN|_FPCLASS_PN))
2224 # define Perl_fp_class_ndenorm(x) (_fpclass(x) & _FPCLASS_ND)
2225 # define Perl_fp_class_pdenorm(x) (_fpclass(x) & _FPCLASS_PD)
2226 # define Perl_fp_class_denorm(x) (_fpclass(x) & (_FPCLASS_ND|_FPCLASS_PD))
2227 # define Perl_fp_class_nzero(x) (_fpclass(x) & _FPCLASS_NZ)
2228 # define Perl_fp_class_pzero(x) (_fpclass(x) & _FPCLASS_PZ)
2229 # define Perl_fp_class_zero(x) (_fpclass(x) & (_FPCLASS_NZ|_FPCLASS_PZ))
2233 #if !defined(Perl_fp_class_inf) && \
2234 defined(Perl_fp_class_pinf) && defined(Perl_fp_class_ninf)
2235 # define Perl_fp_class_inf(x) \
2236 (Perl_fp_class_pinf(x) || Perl_fp_class_ninf(x))
2239 #if !defined(Perl_fp_class_nan) && \
2240 defined(Perl_fp_class_snan) && defined(Perl_fp_class_qnan)
2241 # define Perl_fp_class_nan(x) \
2242 (Perl_fp_class_snan(x) || Perl_fp_class_qnan(x))
2245 #if !defined(Perl_fp_class_zero) && \
2246 defined(Perl_fp_class_pzero) && defined(Perl_fp_class_nzero)
2247 # define Perl_fp_class_zero(x) \
2248 (Perl_fp_class_pzero(x) || Perl_fp_class_nzero(x))
2251 #if !defined(Perl_fp_class_norm) && \
2252 defined(Perl_fp_class_pnorm) && defined(Perl_fp_class_nnorm)
2253 # define Perl_fp_class_norm(x) \
2254 (Perl_fp_class_pnorm(x) || Perl_fp_class_nnorm(x))
2257 #if !defined(Perl_fp_class_denorm) && \
2258 defined(Perl_fp_class_pdenorm) && defined(Perl_fp_class_ndenorm)
2259 # define Perl_fp_class_denorm(x) \
2260 (Perl_fp_class_pdenorm(x) || Perl_fp_class_ndenorm(x))
2264 int isnan(double d);
2268 # ifdef Perl_fp_class_nan
2269 # define Perl_isnan(x) Perl_fp_class_nan(x)
2271 # ifdef HAS_UNORDERED
2272 # define Perl_isnan(x) unordered((x), 0.0)
2274 # define Perl_isnan(x) ((x)!=(x))
2280 # ifdef Perl_fp_class_inf
2281 # define Perl_isinf(x) Perl_fp_class_inf(x)
2285 #ifndef Perl_isfinite
2286 # if defined(HAS_ISFINITE) && !defined(isfinite)
2287 # define Perl_isfinite(x) isfinite((double)x)
2288 # elif defined(HAS_FINITE)
2289 # define Perl_isfinite(x) finite((double)x)
2290 # elif defined(Perl_fp_class_finite)
2291 # define Perl_isfinite(x) Perl_fp_class_finite(x)
2293 /* NaN*0 is NaN, [+-]Inf*0 is NaN, zero for anything else. */
2294 # define Perl_isfinite(x) (((x) * 0) == 0)
2299 # if defined(Perl_isfinite) && defined(Perl_isnan)
2300 # define Perl_isinf(x) !(Perl_isfinite(x)||Perl_isnan(x))
2304 /* The default is to use Perl's own atof() implementation (in numeric.c).
2305 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2306 * it is however best to use the native implementation of atof.
2307 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2308 * Some good tests to try out with either setting are t/base/num.t,
2309 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2310 * you may need to be using a different function than atof! */
2312 #ifndef USE_PERL_ATOF
2314 # define USE_PERL_ATOF
2317 # if USE_PERL_ATOF == 0
2318 # undef USE_PERL_ATOF
2322 #ifdef USE_PERL_ATOF
2323 # define Perl_atof(s) Perl_my_atof(s)
2324 # define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2326 # define Perl_atof(s) (NV)atof(s)
2327 # define Perl_atof2(s, n) ((n) = atof(s))
2330 /* Previously these definitions used hardcoded figures.
2331 * It is hoped these formula are more portable, although
2332 * no data one way or another is presently known to me.
2333 * The "PERL_" names are used because these calculated constants
2334 * do not meet the ANSI requirements for LONG_MAX, etc., which
2335 * need to be constants acceptable to #if - kja
2336 * define PERL_LONG_MAX 2147483647L
2337 * define PERL_LONG_MIN (-LONG_MAX - 1)
2338 * define PERL ULONG_MAX 4294967295L
2341 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2342 # include <limits.h>
2344 /* Included values.h above if necessary; still including limits.h down here,
2345 * despite doing above, because math.h might have overridden... XXX - Allen */
2348 * Try to figure out max and min values for the integral types. THE CORRECT
2349 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2350 * following hacks are used if neither limits.h or values.h provide them:
2351 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2352 * for types < int: (unsigned TYPE)~(unsigned)0
2353 * The argument to ~ must be unsigned so that later signed->unsigned
2354 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2355 * and it must not be smaller than int because ~ does integral promotion.
2356 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2357 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2358 * The latter is a hack which happens to work on some machines but
2359 * does *not* catch any random system, or things like integer types
2360 * with NaN if that is possible.
2362 * All of the types are explicitly cast to prevent accidental loss of
2363 * numeric range, and in the hope that they will be less likely to confuse
2364 * over-eager optimizers.
2368 #define PERL_UCHAR_MIN ((unsigned char)0)
2371 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
2374 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
2376 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
2381 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2382 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2383 * depending on local options. Until Configure detects this (or at least
2384 * detects whether the "signed" keyword is available) the CHAR ranges
2385 * will not be included. UCHAR functions normally.
2389 #define PERL_USHORT_MIN ((unsigned short)0)
2392 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
2395 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
2398 # define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2400 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2406 # define PERL_SHORT_MAX ((short)SHORT_MAX)
2408 # ifdef MAXSHORT /* Often used in <values.h> */
2409 # define PERL_SHORT_MAX ((short)MAXSHORT)
2412 # define PERL_SHORT_MAX ((short)SHRT_MAX)
2414 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2420 # define PERL_SHORT_MIN ((short)SHORT_MIN)
2423 # define PERL_SHORT_MIN ((short)MINSHORT)
2426 # define PERL_SHORT_MIN ((short)SHRT_MIN)
2428 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2434 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
2437 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
2439 # define PERL_UINT_MAX (~(unsigned int)0)
2443 #define PERL_UINT_MIN ((unsigned int)0)
2446 # define PERL_INT_MAX ((int)INT_MAX)
2448 # ifdef MAXINT /* Often used in <values.h> */
2449 # define PERL_INT_MAX ((int)MAXINT)
2451 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
2456 # define PERL_INT_MIN ((int)INT_MIN)
2459 # define PERL_INT_MIN ((int)MININT)
2461 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2466 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
2469 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
2471 # define PERL_ULONG_MAX (~(unsigned long)0)
2475 #define PERL_ULONG_MIN ((unsigned long)0L)
2478 # define PERL_LONG_MAX ((long)LONG_MAX)
2480 # ifdef MAXLONG /* Often used in <values.h> */
2481 # define PERL_LONG_MAX ((long)MAXLONG)
2483 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
2488 # define PERL_LONG_MIN ((long)LONG_MIN)
2491 # define PERL_LONG_MIN ((long)MINLONG)
2493 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
2499 # define PERL_UQUAD_MAX (~(UV)0)
2500 # define PERL_UQUAD_MIN ((UV)0)
2501 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
2502 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
2506 typedef MEM_SIZE STRLEN;
2508 typedef struct op OP;
2509 typedef struct cop COP;
2510 typedef struct unop UNOP;
2511 typedef struct binop BINOP;
2512 typedef struct listop LISTOP;
2513 typedef struct logop LOGOP;
2514 typedef struct pmop PMOP;
2515 typedef struct svop SVOP;
2516 typedef struct padop PADOP;
2517 typedef struct pvop PVOP;
2518 typedef struct loop LOOP;
2521 typedef struct opslab OPSLAB;
2522 typedef struct opslot OPSLOT;
2525 typedef struct block_hooks BHK;
2526 typedef struct custom_op XOP;
2528 typedef struct interpreter PerlInterpreter;
2530 /* SGI's <sys/sema.h> has struct sv */
2532 # define STRUCT_SV perl_sv
2534 # define STRUCT_SV sv
2536 typedef struct STRUCT_SV SV;
2537 typedef struct av AV;
2538 typedef struct hv HV;
2539 typedef struct cv CV;
2540 typedef struct p5rx REGEXP;
2541 typedef struct gp GP;
2542 typedef struct gv GV;
2543 typedef struct io IO;
2544 typedef struct context PERL_CONTEXT;
2545 typedef struct block BLOCK;
2547 typedef struct magic MAGIC;
2548 typedef struct xpv XPV;
2549 typedef struct xpviv XPVIV;
2550 typedef struct xpvuv XPVUV;
2551 typedef struct xpvnv XPVNV;
2552 typedef struct xpvmg XPVMG;
2553 typedef struct xpvlv XPVLV;
2554 typedef struct xpvinvlist XINVLIST;
2555 typedef struct xpvav XPVAV;
2556 typedef struct xpvhv XPVHV;
2557 typedef struct xpvgv XPVGV;
2558 typedef struct xpvcv XPVCV;
2559 typedef struct xpvbm XPVBM;
2560 typedef struct xpvfm XPVFM;
2561 typedef struct xpvio XPVIO;
2562 typedef struct mgvtbl MGVTBL;
2563 typedef union any ANY;
2564 typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2565 typedef struct ptr_tbl PTR_TBL_t;
2566 typedef struct clone_params CLONE_PARAMS;
2568 /* a pad or name pad is currently just an AV; but that might change,
2569 * so hide the type. */
2570 typedef struct padlist PADLIST;
2572 typedef AV PADNAMELIST;
2575 /* enable PERL_NEW_COPY_ON_WRITE by default */
2576 #if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2577 # define PERL_NEW_COPY_ON_WRITE
2580 #if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2581 # if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2582 # error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2584 # define PERL_ANY_COW
2587 # define PERL_SAWAMPERSAND
2592 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
2593 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2594 # define USE_64_BIT_RAWIO /* implicit */
2598 /* Notice the use of HAS_FSEEKO: now we are obligated to always use
2599 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2600 * however, because operating systems like to do that themself. */
2603 # define FSEEKSIZE LSEEKSIZE
2605 # define FSEEKSIZE LONGSIZE
2609 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
2610 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2611 # define USE_64_BIT_STDIO /* implicit */
2615 #ifdef USE_64_BIT_RAWIO
2618 # define Off_t off64_t
2620 # define LSEEKSIZE 8
2622 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2623 * will trigger defines like the ones below. Some 64-bit environments,
2624 * however, do not. Therefore we have to explicitly mix and match. */
2625 # if defined(USE_OPEN64)
2626 # define open open64
2628 # if defined(USE_LSEEK64)
2629 # define lseek lseek64
2631 # if defined(USE_LLSEEK)
2632 # define lseek llseek
2635 # if defined(USE_STAT64)
2636 # define stat stat64
2638 # if defined(USE_FSTAT64)
2639 # define fstat fstat64
2641 # if defined(USE_LSTAT64)
2642 # define lstat lstat64
2644 # if defined(USE_FLOCK64)
2645 # define flock flock64
2647 # if defined(USE_LOCKF64)
2648 # define lockf lockf64
2650 # if defined(USE_FCNTL64)
2651 # define fcntl fcntl64
2653 # if defined(USE_TRUNCATE64)
2654 # define truncate truncate64
2656 # if defined(USE_FTRUNCATE64)
2657 # define ftruncate ftruncate64
2661 #ifdef USE_64_BIT_STDIO
2662 # ifdef HAS_FPOS64_T
2664 # define Fpos_t fpos64_t
2666 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2667 * will trigger defines like the ones below. Some 64-bit environments,
2668 * however, do not. */
2669 # if defined(USE_FOPEN64)
2670 # define fopen fopen64
2672 # if defined(USE_FSEEK64)
2673 # define fseek fseek64 /* don't do fseeko here, see perlio.c */
2675 # if defined(USE_FTELL64)
2676 # define ftell ftell64 /* don't do ftello here, see perlio.c */
2678 # if defined(USE_FSETPOS64)
2679 # define fsetpos fsetpos64
2681 # if defined(USE_FGETPOS64)
2682 # define fgetpos fgetpos64
2684 # if defined(USE_TMPFILE64)
2685 # define tmpfile tmpfile64
2687 # if defined(USE_FREOPEN64)
2688 # define freopen freopen64
2693 # include "iperlsys.h"
2698 # include "os2ish.h"
2700 # include "dosish.h"
2703 # include "vmsish.h"
2704 #elif defined(PLAN9)
2705 # include "./plan9/plan9ish.h"
2706 #elif defined(__VOS__)
2708 # include "./vos/vosish.h"
2710 # include "vos/vosish.h"
2712 #elif defined(__SYMBIAN32__)
2713 # include "symbian/symbianish.h"
2714 #elif defined(__HAIKU__)
2715 # include "haiku/haikuish.h"
2717 # include "unixish.h"
2720 /* NSIG logic from Configure --> */
2721 /* Strange style to avoid deeply-nested #if/#else/#endif */
2724 # define NSIG (_NSIG)
2730 # define NSIG (SIGMAX+1)
2736 # define NSIG (SIG_MAX+1)
2742 # define NSIG (_SIG_MAX+1)
2748 # define NSIG (MAXSIG+1)
2754 # define NSIG (MAX_SIG+1)
2759 # ifdef SIGARRAYSIZE
2760 # define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2766 # define NSIG (_sys_nsig) /* Solaris 2.5 */
2770 /* Default to some arbitrary number that's big enough to get most
2771 of the common signals.
2776 /* <-- NSIG logic from Configure */
2778 #ifndef NO_ENVIRON_ARRAY
2779 # define USE_ENVIRON_ARRAY
2783 * initialise to avoid floating-point exceptions from overflow, etc
2785 #ifndef PERL_FPU_INIT
2786 # ifdef HAS_FPSETMASK
2787 # if HAS_FLOATINGPOINT_H
2788 # include <floatingpoint.h>
2790 /* Some operating systems have this as a macro, which in turn expands to a comma
2791 expression, and the last sub-expression is something that gets calculated,
2792 and then they have the gall to warn that a value computed is not used. Hence
2794 # define PERL_FPU_INIT (void)fpsetmask(0)
2796 # if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
2797 # define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
2798 # define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2799 # define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
2801 # define PERL_FPU_INIT
2806 #ifndef PERL_FPU_PRE_EXEC
2807 # define PERL_FPU_PRE_EXEC {
2808 # define PERL_FPU_POST_EXEC }
2811 #ifndef PERL_SYS_INIT3_BODY
2812 # define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
2816 =head1 Miscellaneous Functions
2818 =for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
2819 Provides system-specific tune up of the C runtime environment necessary to
2820 run Perl interpreters. This should be called only once, before creating
2821 any Perl interpreters.
2823 =for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
2824 Provides system-specific tune up of the C runtime environment necessary to
2825 run Perl interpreters. This should be called only once, before creating
2826 any Perl interpreters.
2828 =for apidoc Am|void|PERL_SYS_TERM|
2829 Provides system-specific clean up of the C runtime environment after
2830 running Perl interpreters. This should be called only once, after
2831 freeing any remaining Perl interpreters.
2836 #define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2837 #define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
2838 #define PERL_SYS_TERM() Perl_sys_term()
2840 #ifndef PERL_WRITE_MSG_TO_CONSOLE
2841 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2846 # ifdef _POSIX_PATH_MAX
2847 # if PATH_MAX > _POSIX_PATH_MAX
2848 /* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2849 * included the null byte or not. Later amendments of POSIX,
2850 * XPG4, the Austin Group, and the Single UNIX Specification
2851 * all explicitly include the null byte in the PATH_MAX.
2852 * Ditto for _POSIX_PATH_MAX. */
2853 # define MAXPATHLEN PATH_MAX
2855 # define MAXPATHLEN _POSIX_PATH_MAX
2858 # define MAXPATHLEN (PATH_MAX+1)
2861 # define MAXPATHLEN 1024 /* Err on the large side. */
2865 /* In case Configure was not used (we are using a "canned config"
2866 * such as Win32, or a cross-compilation setup, for example) try going
2867 * by the gcc major and minor versions. One useful URL is
2868 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2869 * but contrary to this information warn_unused_result seems
2870 * not to be in gcc 3.3.5, at least. --jhi
2871 * Also, when building extensions with an installed perl, this allows
2872 * the user to upgrade gcc and get the right attributes, rather than
2873 * relying on the list generated at Configure time. --AD
2874 * Set these up now otherwise we get confused when some of the <*thread.h>
2875 * includes below indirectly pull in <perlio.h> (which needs to know if we
2876 * have HASATTRIBUTE_FORMAT).
2880 #if defined __GNUC__ && !defined(__INTEL_COMPILER)
2881 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2882 # define HASATTRIBUTE_DEPRECATED
2884 # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2885 # define HASATTRIBUTE_FORMAT
2886 # if defined __MINGW32__
2887 # define PRINTF_FORMAT_NULL_OK
2890 # if __GNUC__ >= 3 /* 3.0 -> */
2891 # define HASATTRIBUTE_MALLOC
2893 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2894 # define HASATTRIBUTE_NONNULL
2896 # if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2897 # define HASATTRIBUTE_NORETURN
2899 # if __GNUC__ >= 3 /* gcc 3.0 -> */
2900 # define HASATTRIBUTE_PURE
2902 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2903 # define HASATTRIBUTE_UNUSED
2905 # if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2906 # define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2908 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2909 # define HASATTRIBUTE_WARN_UNUSED_RESULT
2912 #endif /* #ifndef PERL_MICRO */
2914 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
2915 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
2916 * this results in many functions being undeclared which bothers C++
2917 * May make sense to have threads after "*ish.h" anyway
2920 #if defined(USE_ITHREADS)
2922 # include <nw5thread.h>
2925 # include <win32thread.h>
2928 # include "os2thread.h"
2930 # ifdef I_MACH_CTHREADS
2931 # include <mach/cthreads.h>
2932 typedef cthread_t perl_os_thread;
2933 typedef mutex_t perl_mutex;
2934 typedef condition_t perl_cond;
2935 typedef void * perl_key;
2936 # else /* Posix threads */
2938 # include <pthread.h>
2940 typedef pthread_t perl_os_thread;
2941 typedef pthread_mutex_t perl_mutex;
2942 typedef pthread_cond_t perl_cond;
2943 typedef pthread_key_t perl_key;
2944 # endif /* I_MACH_CTHREADS */
2947 # endif /* NETWARE */
2948 #endif /* USE_ITHREADS */
2955 # include "netware.h"
2958 #define STATUS_UNIX PL_statusvalue
2960 # define STATUS_NATIVE PL_statusvalue_vms
2962 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
2963 * its contents can not be trusted. Unfortunately, Perl seems to check
2964 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2967 # include <stsdef.h>
2969 /* Presume this because if VMS changes it, it will require a new
2970 * set of APIs for waiting on children for binary compatibility.
2972 # define child_offset_bits (8)
2973 # ifndef C_FAC_POSIX
2974 # define C_FAC_POSIX 0x35A000
2977 /* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2978 * platform from the existing UNIX or Native status values.
2981 # define STATUS_EXIT \
2982 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2983 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2986 /* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2987 * exit code and shifts the UNIX value over the correct number of bits to
2988 * be a child status. Usually the number of bits is 8, but that could be
2989 * platform dependent. The NATIVE status code is presumed to have either
2990 * from a child process.
2993 /* This is complicated. The child processes return a true native VMS
2994 status which must be saved. But there is an assumption in Perl that
2995 the UNIX child status has some relationship to errno values, so
2996 Perl tries to translate it to text in some of the tests.
2997 In order to get the string translation correct, for the error, errno
2998 must be EVMSERR, but that generates a different text message
2999 than what the test programs are expecting. So an errno value must
3000 be derived from the native status value when an error occurs.
3001 That will hide the true native status message. With this version of
3002 perl, the true native child status can always be retrieved so that
3003 is not a problem. But in this case, Pl_statusvalue and errno may
3004 have different values in them.
3007 # define STATUS_NATIVE_CHILD_SET(n) \
3009 I32 evalue = (I32)n; \
3010 if (evalue == EVMSERR) { \
3011 PL_statusvalue_vms = vaxc$errno; \
3012 PL_statusvalue = evalue; \
3014 PL_statusvalue_vms = evalue; \
3015 if (evalue == -1) { \
3016 PL_statusvalue = -1; \
3017 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
3019 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
3020 set_vaxc_errno(evalue); \
3021 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
3022 set_errno(EVMSERR); \
3023 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
3024 PL_statusvalue = PL_statusvalue << child_offset_bits; \
3028 # ifdef VMSISH_STATUS
3029 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
3031 # define STATUS_CURRENT STATUS_UNIX
3034 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
3035 * the NATIVE status to an equivalent value. Can not be used to translate
3036 * exit code values as exit code values are not guaranteed to have any
3037 * relationship at all to errno values.
3038 * This is used when Perl is forcing errno to have a specific value.
3040 # define STATUS_UNIX_SET(n) \
3042 I32 evalue = (I32)n; \
3043 PL_statusvalue = evalue; \
3044 if (PL_statusvalue != -1) { \
3045 if (PL_statusvalue != EVMSERR) { \
3046 PL_statusvalue &= 0xFFFF; \
3047 if (MY_POSIX_EXIT) \
3048 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
3049 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
3052 PL_statusvalue_vms = vaxc$errno; \
3055 else PL_statusvalue_vms = SS$_ABORT; \
3056 set_vaxc_errno(PL_statusvalue_vms); \
3059 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
3060 * the NATIVE error status based on it.
3062 * When in the default mode to comply with the Perl VMS documentation,
3063 * 0 is a success and any other code sets the NATIVE status to a failure
3064 * code of SS$_ABORT.
3066 * In the new POSIX EXIT mode, native status will be set so that the
3067 * actual exit code will can be retrieved by the calling program or
3070 * If the exit code is not clearly a UNIX parent or child exit status,
3071 * it will be passed through as a VMS status.
3074 # define STATUS_UNIX_EXIT_SET(n) \
3076 I32 evalue = (I32)n; \
3077 PL_statusvalue = evalue; \
3078 if (MY_POSIX_EXIT) { \
3079 if (evalue <= 0xFF00) { \
3080 if (evalue > 0xFF) \
3081 evalue = (evalue >> child_offset_bits) & 0xFF; \
3082 PL_statusvalue_vms = \
3083 (C_FAC_POSIX | (evalue << 3 ) | \
3084 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3085 } else /* forgive them Perl, for they have sinned */ \
3086 PL_statusvalue_vms = evalue; \
3089 PL_statusvalue_vms = SS$_NORMAL; \
3090 else if (evalue <= 0xFF00) \
3091 PL_statusvalue_vms = SS$_ABORT; \
3092 else { /* forgive them Perl, for they have sinned */ \
3093 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3094 else PL_statusvalue_vms = vaxc$errno; \
3095 /* And obviously used a VMS status value instead of UNIX */ \
3096 PL_statusvalue = EVMSERR; \
3098 set_vaxc_errno(PL_statusvalue_vms); \
3103 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3104 * and sets the NATIVE error status based on it. This special case
3105 * is needed to maintain compatibility with past VMS behavior.
3107 * In the default mode on VMS, this number is passed through as
3108 * both the NATIVE and UNIX status. Which makes it different
3109 * that the STATUS_UNIX_EXIT_SET.
3111 * In the new POSIX EXIT mode, native status will be set so that the
3112 * actual exit code will can be retrieved by the calling program or
3115 * A POSIX exit code is from 0 to 255. If the exit code is higher
3116 * than this, it needs to be assumed that it is a VMS exit code and
3120 # define STATUS_EXIT_SET(n) \
3122 I32 evalue = (I32)n; \
3123 PL_statusvalue = evalue; \
3124 if (MY_POSIX_EXIT) \
3125 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3126 PL_statusvalue_vms = \
3127 (C_FAC_POSIX | (evalue << 3 ) | \
3128 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
3130 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3131 set_vaxc_errno(PL_statusvalue_vms); \
3135 /* This macro forces a success status */
3136 # define STATUS_ALL_SUCCESS \
3137 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
3139 /* This macro forces a failure status */
3140 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3141 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3142 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
3145 # define STATUS_NATIVE PL_statusvalue_posix
3146 # if defined(WCOREDUMP)
3147 # define STATUS_NATIVE_CHILD_SET(n) \
3149 PL_statusvalue_posix = (n); \
3150 if (PL_statusvalue_posix == -1) \
3151 PL_statusvalue = -1; \
3154 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3155 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3156 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3159 # elif defined(WIFEXITED)
3160 # define STATUS_NATIVE_CHILD_SET(n) \
3162 PL_statusvalue_posix = (n); \
3163 if (PL_statusvalue_posix == -1) \
3164 PL_statusvalue = -1; \
3167 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3168 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3172 # define STATUS_NATIVE_CHILD_SET(n) \
3174 PL_statusvalue_posix = (n); \
3175 if (PL_statusvalue_posix == -1) \
3176 PL_statusvalue = -1; \
3179 PL_statusvalue_posix & 0xFFFF; \
3183 # define STATUS_UNIX_SET(n) \
3185 PL_statusvalue = (n); \
3186 if (PL_statusvalue != -1) \
3187 PL_statusvalue &= 0xFFFF; \
3189 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3190 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3191 # define STATUS_CURRENT STATUS_UNIX
3192 # define STATUS_EXIT STATUS_UNIX
3193 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3194 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3197 /* flags in PL_exit_flags for nature of exit() */
3198 #define PERL_EXIT_EXPECTED 0x01
3199 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
3200 #define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3201 #define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
3204 /* format to use for version numbers in file/directory names */
3205 /* XXX move to Configure? */
3206 /* This was only ever used for the current version, and that can be done at
3207 compile time, as PERL_FS_VERSION, so should we just delete it? */
3208 # ifndef PERL_FS_VER_FMT
3209 # define PERL_FS_VER_FMT "%d.%d.%d"
3213 #ifndef PERL_FS_VERSION
3214 # define PERL_FS_VERSION PERL_VERSION_STRING
3217 /* This defines a way to flush all output buffers. This may be a
3218 * performance issue, so we allow people to disable it. Also, if
3219 * we are using stdio, there are broken implementations of fflush(NULL)
3220 * out there, Solaris being the most prominent.
3222 #ifndef PERL_FLUSHALL_FOR_CHILD
3223 # if defined(USE_PERLIO) || defined(FFLUSH_NULL)
3224 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
3227 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
3229 # define PERL_FLUSHALL_FOR_CHILD NOOP
3234 #ifndef PERL_WAIT_FOR_CHILDREN
3235 # define PERL_WAIT_FOR_CHILDREN NOOP
3238 /* the traditional thread-unsafe notion of "current interpreter". */
3239 #ifndef PERL_SET_INTERP
3240 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3243 #ifndef PERL_GET_INTERP
3244 # define PERL_GET_INTERP (PL_curinterp)
3247 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
3248 # ifdef MULTIPLICITY
3249 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
3251 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3255 This replaces the previous %_ "hack" by the "%p" hacks.
3256 All that is required is that the perl source does not
3257 use "%-p" or "%-<number>p" or "%<number>p" formats.
3258 These formats will still work in perl code.
3259 See comments in sv.c for further details.
3261 Robin Barker 2005-07-14
3263 No longer use %1p for VDf = %vd. RMB 2007-10-19
3267 # define SVf_(n) "-" STRINGIFY(n) "p"
3275 # define SVf32 SVf_(32)
3279 # define SVf256 SVf_(256)
3282 #define SVfARG(p) ((void*)(p))
3288 /* Not ideal, but we cannot easily include a number in an already-numeric
3289 * format sequence. */
3291 # define HEKf256 "3p"
3294 #define HEKfARG(p) ((void*)(p))
3296 /* Takes three arguments: is_utf8, length, str */
3298 # define UTF8f "d%" UVuf "%4p"
3300 #define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3303 /* not used; but needed for backward compatibility with XS code? - RMB */
3311 #ifdef HASATTRIBUTE_DEPRECATED
3312 # define __attribute__deprecated__ __attribute__((deprecated))
3314 #ifdef HASATTRIBUTE_FORMAT
3315 # define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3317 #ifdef HASATTRIBUTE_MALLOC
3318 # define __attribute__malloc__ __attribute__((__malloc__))
3320 #ifdef HASATTRIBUTE_NONNULL
3321 # define __attribute__nonnull__(a) __attribute__((nonnull(a)))
3323 #ifdef HASATTRIBUTE_NORETURN
3324 # define __attribute__noreturn__ __attribute__((noreturn))
3326 #ifdef HASATTRIBUTE_PURE
3327 # define __attribute__pure__ __attribute__((pure))
3329 #ifdef HASATTRIBUTE_UNUSED
3330 # define __attribute__unused__ __attribute__((unused))
3332 #ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
3333 # define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
3336 /* If we haven't defined the attributes yet, define them to blank. */
3337 #ifndef __attribute__deprecated__
3338 # define __attribute__deprecated__
3340 #ifndef __attribute__format__
3341 # define __attribute__format__(x,y,z)
3343 #ifndef __attribute__malloc__
3344 # define __attribute__malloc__
3346 #ifndef __attribute__nonnull__
3347 # define __attribute__nonnull__(a)
3349 #ifndef __attribute__noreturn__
3350 # define __attribute__noreturn__
3352 #ifndef __attribute__pure__
3353 # define __attribute__pure__
3355 #ifndef __attribute__unused__
3356 # define __attribute__unused__
3358 #ifndef __attribute__warn_unused_result__
3359 # define __attribute__warn_unused_result__
3362 #if defined(DEBUGGING) && defined(I_ASSERT)
3363 # include <assert.h>
3366 /* For functions that are marked as __attribute__noreturn__, it's not
3367 appropriate to call return. In either case, include the lint directive.
3369 #ifdef HASATTRIBUTE_NORETURN
3370 # define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
3372 # define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
3375 /* Some OS warn on NULL format to printf */
3376 #ifdef PRINTF_FORMAT_NULL_OK
3377 # define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3379 # define __attribute__format__null_ok__(x,y,z)
3382 #ifdef HAS_BUILTIN_EXPECT
3383 # define EXPECT(expr,val) __builtin_expect(expr,val)
3385 # define EXPECT(expr,val) (expr)
3387 #define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3388 #define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
3389 #ifdef HAS_BUILTIN_CHOOSE_EXPR
3394 #ifndef __has_builtin
3395 # define __has_builtin(x) 0 /* not a clang style compiler */
3398 /* ASSUME is like assert(), but it has a benefit in a release build. It is a
3399 hint to a compiler about a statement of fact in a function call free
3400 expression, which allows the compiler to generate better machine code.
3401 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3402 the control path is unreachable. In a for loop, ASSUME can be used to hint
3403 that a loop will run atleast X times. ASSUME is based off MSVC's __assume
3404 intrinsic function, see its documents for more details.
3408 # if __has_builtin(__builtin_unreachable) \
3409 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */
3410 # define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3411 # elif defined(_MSC_VER)
3412 # define ASSUME(x) __assume(x)
3413 # elif defined(__ARMCC_VERSION) /* untested */
3414 # define ASSUME(x) __promise(x)
3416 /* a random compiler might define assert to its own special optimization token
3417 so pass it through to C lib as a last resort */
3418 # define ASSUME(x) assert(x)
3421 # define ASSUME(x) assert(x)
3424 #define NOT_REACHED ASSUME(0)
3426 /* Some unistd.h's give a prototype for pause() even though
3427 HAS_PAUSE ends up undefined. This causes the #define
3428 below to be rejected by the compiler. Sigh.
3433 #define Pause() sleep((32767<<16)+32767)
3437 # ifdef IOCPARM_MASK
3438 /* on BSDish systems we're safe */
3439 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3441 # if defined(_IOC_SIZE) && defined(__GLIBC__)
3442 /* on Linux systems we're safe; except when we're not [perl #38223] */
3443 # define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
3445 /* otherwise guess at what's safe */
3446 # define IOCPARM_LEN(x) 256
3451 #if defined(__CYGWIN__)
3453 * This symbol, if defined, indicates that the program should
3454 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
3455 * that a file is in "binary" mode -- that is, that no translation
3456 * of bytes occurs on read or write operations.
3458 # define USEMYBINMODE /**/
3459 # include <io.h> /* for setmode() prototype */
3460 # define my_binmode(fp, iotype, mode) \
3461 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
3465 void init_os_extras(void);
3468 #ifdef UNION_ANY_DEFINITION
3469 UNION_ANY_DEFINITION;
3479 void (*any_dptr) (void*);
3480 void (*any_dxptr) (pTHX_ void*);
3484 typedef I32 (*filter_t) (pTHX_ int, SV *, int);
3486 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3487 #define FILTER_DATA(idx) \
3488 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3489 #define FILTER_ISREADER(idx) \
3490 (PL_parser && PL_parser->rsfp_filters \
3491 && idx >= AvFILLp(PL_parser->rsfp_filters))
3492 #define PERL_FILTER_EXISTS(i) \
3493 (PL_parser && PL_parser->rsfp_filters \
3494 && (i) <= av_tindex(PL_parser->rsfp_filters))
3496 #if defined(_AIX) && !defined(_AIX43)
3497 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3498 /* We cannot include <crypt.h> to get the struct crypt_data
3499 * because of setkey prototype problems when threading */
3500 typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3501 /* From OSF, Not needed in AIX
3509 #endif /* threading */
3513 # include "iperlsys.h"
3516 #ifdef __LIBCATAMOUNT__
3517 #undef HAS_PASSWD /* unixish.h but not unixish enough. */
3519 #define FAKE_BIT_BUCKET
3522 /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3523 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3524 * defined by Configure, despite their names being similar to the
3525 * other defines like USE_ITHREADS. Configure in fact knows nothing
3526 * about the randomised hashes. Therefore to enable/disable the hash
3527 * randomisation defines use the Configure -Accflags=... instead. */
3528 #if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
3529 # define USE_HASH_SEED
3532 /* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3533 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3534 * it's not really needed.
3537 # define YYTOKENTYPE
3542 /* macros to define bit-fields in structs. */
3543 #ifndef PERL_BITFIELD8
3544 # define PERL_BITFIELD8 unsigned
3546 #ifndef PERL_BITFIELD16
3547 # define PERL_BITFIELD16 unsigned
3549 #ifndef PERL_BITFIELD32
3550 # define PERL_BITFIELD32 unsigned
3560 #include "opnames.h"
3567 #include "warnings.h"
3570 /* these would be in doio.h if there was such a file */
3571 #define my_stat() my_stat_flags(SV_GMAGIC)
3572 #define my_lstat() my_lstat_flags(SV_GMAGIC)
3574 /* defined in sv.c, but also used in [ach]v.c */
3577 #undef _XPVCV_COMMON
3579 typedef struct _sublex_info SUBLEXINFO;
3580 struct _sublex_info {
3581 U8 super_state; /* lexer state to save */
3582 U16 sub_inwhat; /* "lex_inwhat" to use */
3583 OP *sub_op; /* "lex_op" to use */
3584 SV *repl; /* replacement of s/// or y/// */
3589 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
3591 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3593 /* These have to be predeclared, as they are used in proto.h which is #included
3594 * before their definitions in regcomp.h. */
3597 typedef struct regnode_charclass regnode_charclass;
3599 struct regnode_charclass_class;
3601 /* A hopefully less confusing name. The sub-classes are all Posix classes only
3602 * used under /l matching */
3603 typedef struct regnode_charclass_class regnode_charclass_posixl;
3605 typedef struct regnode_ssc regnode_ssc;
3606 typedef struct RExC_state_t RExC_state_t;
3607 struct _reg_trie_data;
3611 struct ptr_tbl_ent {
3612 struct ptr_tbl_ent* next;
3618 struct ptr_tbl_ent** tbl_ary;
3621 struct ptr_tbl_arena *tbl_arena;
3622 struct ptr_tbl_ent *tbl_arena_next;
3623 struct ptr_tbl_ent *tbl_arena_end;
3626 #if defined(htonl) && !defined(HAS_HTONL)
3629 #if defined(htons) && !defined(HAS_HTONS)
3632 #if defined(ntohl) && !defined(HAS_NTOHL)
3635 #if defined(ntohs) && !defined(HAS_NTOHS)
3643 # if (BYTEORDER & 0xffff) == 0x4321
3644 /* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3645 re-order their values. However, to behave identically to the alternative
3646 implementations, they should truncate to the correct size. */
3647 # define ntohl(x) ((x)&0xFFFFFFFF)
3648 # define htonl(x) ntohl(x)
3649 # define ntohs(x) ((x)&0xFFFF)
3650 # define htons(x) ntohs(x)
3651 # elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3653 /* Note that we can't straight out declare our own htonl and htons because
3654 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3655 to avoid the overhead of initialising the socket subsystem, but the headers
3656 that *declare* the various functions are still seen. If we declare our own
3657 htonl etc they will clash with the declarations in the Win32 headers. */
3659 PERL_STATIC_INLINE U32
3660 my_swap32(const U32 x) {
3661 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3662 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3665 PERL_STATIC_INLINE U16
3666 my_swap16(const U16 x) {
3667 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3670 # define htonl(x) my_swap32(x)
3671 # define ntohl(x) my_swap32(x)
3672 # define ntohs(x) my_swap16(x)
3673 # define htons(x) my_swap16(x)
3675 # error "Unsupported byteorder"
3676 /* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3677 the error message. Please check the value of the macro BYTEORDER, as defined
3678 in config.h. The values of BYTEORDER we expect are
3680 big endian little endian
3681 32 bit 0x4321 0x1234
3682 64 bit 0x87654321 0x12345678
3684 If you have a system with a different byte order, please see
3685 pod/perlhack.pod for how to submit a patch to add supporting code.
3691 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3694 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3695 /* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3696 re-order their values. However, to behave identically to the alternative
3697 implementations, they should truncate to the correct size. */
3698 # define vtohl(x) ((x)&0xFFFFFFFF)
3699 # define vtohs(x) ((x)&0xFFFF)
3700 # define htovl(x) vtohl(x)
3701 # define htovs(x) vtohs(x)
3702 #elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
3703 # define vtohl(x) ((((x)&0xFF)<<24) \
3705 +(((x)&0x0000FF00)<<8) \
3706 +(((x)&0x00FF0000)>>8) )
3707 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3708 # define htovl(x) vtohl(x)
3709 # define htovs(x) vtohs(x)
3711 # error "Unsupported byteorder"
3712 /* If you have need for current perl on PDP-11 or similar, and can help test
3713 that blead keeps working on a mixed-endian system, then see
3714 pod/perlhack.pod for how to submit patches to things working again. */
3717 /* *MAX Plus 1. A floating point value.
3718 Hopefully expressed in a way that dodgy floating point can't mess up.
3719 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3721 May find that some broken compiler will want the value cast to I32.
3722 [after the shift, as signed >> may not be as secure as unsigned >>]
3724 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3725 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3726 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3727 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3728 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3730 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
3732 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3733 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3734 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3736 /* This may look like unnecessary jumping through hoops, but converting
3737 out of range floating point values to integers *is* undefined behaviour,
3738 and it is starting to bite.
3741 #define I_32(what) (cast_i32((NV)(what)))
3742 #define U_32(what) (cast_ulong((NV)(what)))
3743 #define I_V(what) (cast_iv((NV)(what)))
3744 #define U_V(what) (cast_uv((NV)(what)))
3746 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3747 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3748 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3749 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3750 : ((n) < U32_MAX_P1 ? (U32) (n) \
3751 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3752 #define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3753 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3754 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3755 #define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3756 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3757 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3760 #define U_S(what) ((U16)U_32(what))
3761 #define U_I(what) ((unsigned int)U_32(what))
3762 #define U_L(what) U_32(what)
3765 # define Perl_signbit signbit
3768 /* These do not care about the fractional part, only about the range. */
3769 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
3770 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
3772 /* Used with UV/IV arguments: */
3773 /* XXXX: need to speed it up */
3774 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3775 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3782 #if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
3783 Uid_t getuid (void);
3784 Uid_t geteuid (void);
3785 Gid_t getgid (void);
3786 Gid_t getegid (void);
3790 #ifndef Perl_debug_log
3791 # define Perl_debug_log PerlIO_stderr()
3794 #ifndef Perl_error_log
3795 # define Perl_error_log (PL_stderrgv \
3796 && isGV(PL_stderrgv) \
3797 && GvIOp(PL_stderrgv) \
3798 && IoOFP(GvIOp(PL_stderrgv)) \
3799 ? IoOFP(GvIOp(PL_stderrgv)) \
3804 #define DEBUG_p_FLAG 0x00000001 /* 1 */
3805 #define DEBUG_s_FLAG 0x00000002 /* 2 */
3806 #define DEBUG_l_FLAG 0x00000004 /* 4 */
3807 #define DEBUG_t_FLAG 0x00000008 /* 8 */
3808 #define DEBUG_o_FLAG 0x00000010 /* 16 */
3809 #define DEBUG_c_FLAG 0x00000020 /* 32 */
3810 #define DEBUG_P_FLAG 0x00000040 /* 64 */
3811 #define DEBUG_m_FLAG 0x00000080 /* 128 */
3812 #define DEBUG_f_FLAG 0x00000100 /* 256 */
3813 #define DEBUG_r_FLAG 0x00000200 /* 512 */
3814 #define DEBUG_x_FLAG 0x00000400 /* 1024 */
3815 #define DEBUG_u_FLAG 0x00000800 /* 2048 */
3816 /* U is reserved for Unofficial, exploratory hacking */
3817 #define DEBUG_U_FLAG 0x00001000 /* 4096 */
3818 #define DEBUG_H_FLAG 0x00002000 /* 8192 */
3819 #define DEBUG_X_FLAG 0x00004000 /* 16384 */
3820 #define DEBUG_D_FLAG 0x00008000 /* 32768 */
3821 #define DEBUG_S_FLAG 0x00010000 /* 65536 */
3822 #define DEBUG_T_FLAG 0x00020000 /* 131072 */
3823 #define DEBUG_R_FLAG 0x00040000 /* 262144 */
3824 #define DEBUG_J_FLAG 0x00080000 /* 524288 */
3825 #define DEBUG_v_FLAG 0x00100000 /*1048576 */
3826 #define DEBUG_C_FLAG 0x00200000 /*2097152 */
3827 #define DEBUG_A_FLAG 0x00400000 /*4194304 */
3828 #define DEBUG_q_FLAG 0x00800000 /*8388608 */
3829 #define DEBUG_M_FLAG 0x01000000 /*16777216*/
3830 #define DEBUG_B_FLAG 0x02000000 /*33554432*/
3831 #define DEBUG_L_FLAG 0x04000000 /*67108864*/
3832 #define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
3834 #define DEBUG_DB_RECURSE_FLAG 0x40000000
3835 #define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3836 that something was done? */
3838 # define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3839 # define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3840 # define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3841 # define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3842 # define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3843 # define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3844 # define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3845 # define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3846 # define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3847 # define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3848 # define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3849 # define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
3850 # define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
3851 # define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3852 # define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3853 # define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3854 # define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3855 # define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3856 # define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
3857 # define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
3858 # define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
3859 # define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
3860 # define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3861 # define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
3862 # define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
3863 # define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
3864 # define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
3865 # define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
3866 # define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
3867 # define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
3871 # define DEBUG_p_TEST DEBUG_p_TEST_
3872 # define DEBUG_s_TEST DEBUG_s_TEST_
3873 # define DEBUG_l_TEST DEBUG_l_TEST_
3874 # define DEBUG_t_TEST DEBUG_t_TEST_
3875 # define DEBUG_o_TEST DEBUG_o_TEST_
3876 # define DEBUG_c_TEST DEBUG_c_TEST_
3877 # define DEBUG_P_TEST DEBUG_P_TEST_
3878 # define DEBUG_m_TEST DEBUG_m_TEST_
3879 # define DEBUG_f_TEST DEBUG_f_TEST_
3880 # define DEBUG_r_TEST DEBUG_r_TEST_
3881 # define DEBUG_x_TEST DEBUG_x_TEST_
3882 # define DEBUG_u_TEST DEBUG_u_TEST_
3883 # define DEBUG_U_TEST DEBUG_U_TEST_
3884 # define DEBUG_H_TEST DEBUG_H_TEST_
3885 # define DEBUG_X_TEST DEBUG_X_TEST_
3886 # define DEBUG_D_TEST DEBUG_D_TEST_
3887 # define DEBUG_S_TEST DEBUG_S_TEST_
3888 # define DEBUG_T_TEST DEBUG_T_TEST_
3889 # define DEBUG_R_TEST DEBUG_R_TEST_
3890 # define DEBUG_J_TEST DEBUG_J_TEST_
3891 # define DEBUG_v_TEST DEBUG_v_TEST_
3892 # define DEBUG_C_TEST DEBUG_C_TEST_
3893 # define DEBUG_A_TEST DEBUG_A_TEST_
3894 # define DEBUG_q_TEST DEBUG_q_TEST_
3895 # define DEBUG_M_TEST DEBUG_M_TEST_
3896 # define DEBUG_B_TEST DEBUG_B_TEST_
3897 # define DEBUG_L_TEST DEBUG_L_TEST_
3898 # define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3899 # define DEBUG_Uv_TEST DEBUG_Uv_TEST_
3900 # define DEBUG_Pv_TEST DEBUG_Pv_TEST_
3902 # define PERL_DEB(a) a
3903 # define PERL_DEBUG(a) if (PL_debug) a
3904 # define DEBUG_p(a) if (DEBUG_p_TEST) a
3905 # define DEBUG_s(a) if (DEBUG_s_TEST) a
3906 # define DEBUG_l(a) if (DEBUG_l_TEST) a
3907 # define DEBUG_t(a) if (DEBUG_t_TEST) a
3908 # define DEBUG_o(a) if (DEBUG_o_TEST) a
3909 # define DEBUG_c(a) if (DEBUG_c_TEST) a
3910 # define DEBUG_P(a) if (DEBUG_P_TEST) a
3912 /* Temporarily turn off memory debugging in case the a
3913 * does memory allocation, either directly or indirectly. */
3914 # define DEBUG_m(a) \
3916 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
3919 # define DEBUG__(t, a) \
3921 if (t) STMT_START {a;} STMT_END; \
3924 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3925 #ifndef PERL_EXT_RE_BUILD
3926 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3928 # define DEBUG_r(a) STMT_START {a;} STMT_END
3929 #endif /* PERL_EXT_RE_BUILD */
3930 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3931 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
3932 # define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
3933 # define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3934 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3935 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
3936 # define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3937 # define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
3938 # define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
3940 # define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
3941 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3942 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
3943 # define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
3944 # define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
3945 # define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3946 # define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
3947 # define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
3948 # define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
3949 # define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
3951 #else /* DEBUGGING */
3953 # define DEBUG_p_TEST (0)
3954 # define DEBUG_s_TEST (0)
3955 # define DEBUG_l_TEST (0)
3956 # define DEBUG_t_TEST (0)
3957 # define DEBUG_o_TEST (0)
3958 # define DEBUG_c_TEST (0)
3959 # define DEBUG_P_TEST (0)
3960 # define DEBUG_m_TEST (0)
3961 # define DEBUG_f_TEST (0)
3962 # define DEBUG_r_TEST (0)
3963 # define DEBUG_x_TEST (0)
3964 # define DEBUG_u_TEST (0)
3965 # define DEBUG_U_TEST (0)
3966 # define DEBUG_H_TEST (0)
3967 # define DEBUG_X_TEST (0)
3968 # define DEBUG_D_TEST (0)
3969 # define DEBUG_S_TEST (0)
3970 # define DEBUG_T_TEST (0)
3971 # define DEBUG_R_TEST (0)
3972 # define DEBUG_J_TEST (0)
3973 # define DEBUG_v_TEST (0)
3974 # define DEBUG_C_TEST (0)
3975 # define DEBUG_A_TEST (0)
3976 # define DEBUG_q_TEST (0)
3977 # define DEBUG_M_TEST (0)
3978 # define DEBUG_B_TEST (0)
3979 # define DEBUG_L_TEST (0)
3980 # define DEBUG_Xv_TEST (0)
3981 # define DEBUG_Uv_TEST (0)
3982 # define DEBUG_Pv_TEST (0)
3984 # define PERL_DEB(a)
3985 # define PERL_DEBUG(a)
4012 # define DEBUG_Xv(a)
4013 # define DEBUG_Uv(a)
4014 # define DEBUG_Pv(a)
4015 #endif /* DEBUGGING */
4018 #define DEBUG_SCOPE(where) \
4020 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
4021 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
4022 __FILE__, __LINE__));
4024 /* Keep the old croak based assert for those who want it, and as a fallback if
4025 the platform is so heretically non-ANSI that it can't assert. */
4027 #define Perl_assert(what) PERL_DEB( \
4028 ((what) ? ((void) 0) : \
4029 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
4030 "\", line %d", STRINGIFY(what), __LINE__), \
4033 /* assert() gets defined if DEBUGGING (and I_ASSERT).
4034 * If no DEBUGGING, the <assert.h> has not been included. */
4036 # define assert(what) Perl_assert(what)
4039 # define assert_(what) assert(what),
4041 # define assert_(what)
4045 I32 (*uf_val)(pTHX_ IV, SV*);
4046 I32 (*uf_set)(pTHX_ IV, SV*);
4050 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
4051 * XS code wanting to be backward compatible can do something
4052 * like the following:
4054 #ifndef PERL_MG_UFUNC
4055 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
4058 static PERL_MG_UFUNC(foo_get, index, val)
4068 #ifndef PERL_MG_UFUNC
4069 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
4072 /* Fix these up for __STDC__ */
4073 #ifndef DONT_DECLARE_STD
4074 char *mktemp (char*);
4076 double atof (const char*);
4081 /* All of these are in stdlib.h or time.h for ANSI C */
4083 struct tm *gmtime(), *localtime();
4085 char *(strchr)(), *(strrchr)();
4086 char *(strcpy)(), *(strcat)();
4088 char *strchr(), *strrchr();
4089 char *strcpy(), *strcat();
4091 #endif /* ! STANDARD_C */
4097 /* isfinite and others are here rather than in math.h as C99 stipulates */
4102 double exp (double);
4103 double log (double);
4104 double log10 (double);
4105 double sqrt (double);
4106 double frexp (double,int*);
4107 double ldexp (double,int);
4108 double modf (double,double*);
4109 double sin (double);
4110 double cos (double);
4111 double atan2 (double,double);
4112 double pow (double,double);
4117 # if !defined(NV_INF) && defined(HUGE_VAL)
4118 # define NV_INF HUGE_VAL
4121 # define NV_NAN (NV_INF-NV_INF)
4125 /* If you are thinking of using HUGE_VAL for infinity, or using
4126 * <math.h> functions to generate NV_INF (e.g. exp(1e9), log(-1.0)),
4127 * stop. Neither will work portably: HUGE_VAL can be just DBL_MAX,
4128 * and the math functions might be just generating DBL_MAX, or even
4131 #if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
4132 # define NV_INF LDBL_INFINITY
4134 #if !defined(NV_INF) && defined(DBL_INFINITY)
4135 # define NV_INF (NV)DBL_INFINITY
4137 #if !defined(NV_INF) && defined(INFINITY)
4138 # define NV_INF (NV)INFINITY
4140 #if !defined(NV_INF) && defined(INF)
4141 # define NV_INF (NV)INF
4143 #if !defined(NV_INF)
4144 # define NV_INF ((NV)1.0/0.0) /* Some compilers will warn. */
4147 #if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
4148 # if !defined(NV_NAN) && defined(LDBL_NAN)
4149 # define NV_NAN LDBL_NAN
4151 # if !defined(NV_NAN) && defined(LDBL_QNAN)
4152 # define NV_NAN LDBL_QNAN
4154 # if !defined(NV_NAN) && defined(LDBL_SNAN)
4155 # define NV_NAN LDBL_SNAN
4158 #if !defined(NV_NAN) && defined(DBL_NAN)
4159 # define NV_NAN (NV)DBL_NAN
4161 #if !defined(NV_NAN) && defined(DBL_QNAN)
4162 # define NV_NAN (NV)DBL_QNAN
4164 #if !defined(NV_NAN) && defined(DBL_SNAN)
4165 # define NV_NAN (NV)DBL_SNAN
4167 #if !defined(NV_NAN) && defined(QNAN)
4168 # define NV_NAN (NV)QNAN
4170 #if !defined(NV_NAN) && defined(NAN)
4171 # define NV_NAN (NV)NAN
4173 #if !defined(NV_NAN) && defined(SNAN)
4174 # define NV_NAN (NV)SNAN
4176 #if !defined(NV_NAN) && defined(NV_INF)
4177 # define NV_NAN ((NV)0.0/0.0) /* Some compilers will warn. */
4181 # if !defined(WIN32) && !defined(VMS)
4183 char *crypt (const char*, const char*);
4185 # endif /* !WIN32 */
4186 # ifndef DONT_DECLARE_STD
4188 char *getenv (const char*);
4189 # endif /* !getenv */
4190 # if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
4191 # ifdef _FILE_OFFSET_BITS
4192 # if _FILE_OFFSET_BITS == 64
4193 Off_t lseek (int,Off_t,int);
4197 # endif /* !DONT_DECLARE_STD */
4200 char *getlogin (void);
4202 # endif /* !WIN32 */
4203 #endif /* !__cplusplus */
4205 /* Fixme on VMS. This needs to be a run-time, not build time options */
4206 /* Also rename() is affected by this */
4207 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
4208 #define UNLINK unlnk
4209 I32 unlnk (pTHX_ const char*);
4211 #define UNLINK PerlLIO_unlink
4214 /* some versions of glibc are missing the setresuid() proto */
4215 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
4216 int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4218 /* some versions of glibc are missing the setresgid() proto */
4219 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
4220 int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4223 #ifndef HAS_SETREUID
4224 # ifdef HAS_SETRESUID
4225 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4226 # define HAS_SETREUID
4229 #ifndef HAS_SETREGID
4230 # ifdef HAS_SETRESGID
4231 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4232 # define HAS_SETREGID
4236 /* Sighandler_t defined in iperlsys.h */
4238 #ifdef HAS_SIGACTION
4239 typedef struct sigaction Sigsave_t;
4241 typedef Sighandler_t Sigsave_t;
4252 # define RUNOPS_DEFAULT Perl_runops_debug
4254 # define RUNOPS_DEFAULT Perl_runops_standard
4257 #if defined(USE_PERLIO)
4258 EXTERN_C void PerlIO_teardown(void);
4259 # ifdef USE_ITHREADS
4260 # define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4261 # define PERLIO_TERM \
4263 PerlIO_teardown(); \
4264 MUTEX_DESTROY(&PL_perlio_mutex);\
4267 # define PERLIO_INIT
4268 # define PERLIO_TERM PerlIO_teardown()
4271 # define PERLIO_INIT
4272 # define PERLIO_TERM
4276 # ifdef MUTEX_INIT_CALLS_MALLOC
4277 # define MALLOC_INIT \
4279 PL_malloc_mutex = NULL; \
4280 MUTEX_INIT(&PL_malloc_mutex); \
4282 # define MALLOC_TERM \
4284 perl_mutex tmp = PL_malloc_mutex; \
4285 PL_malloc_mutex = NULL; \
4286 MUTEX_DESTROY(&tmp); \
4289 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4290 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4293 # define MALLOC_INIT
4294 # define MALLOC_TERM
4297 #if defined(PERL_IMPLICIT_CONTEXT)
4299 struct perl_memory_debug_header;
4300 struct perl_memory_debug_header {
4302 # if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
4305 struct perl_memory_debug_header *prev;
4306 struct perl_memory_debug_header *next;
4307 # ifdef PERL_DEBUG_READONLY_COW
4312 #elif defined(PERL_DEBUG_READONLY_COW)
4314 struct perl_memory_debug_header;
4315 struct perl_memory_debug_header {
4321 #if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
4323 # define PERL_MEMORY_DEBUG_HEADER_SIZE \
4324 (sizeof(struct perl_memory_debug_header) + \
4325 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4326 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4329 # define PERL_MEMORY_DEBUG_HEADER_SIZE 0
4332 #ifdef PERL_TRACK_MEMPOOL
4333 # ifdef PERL_DEBUG_READONLY_COW
4334 # define INIT_TRACK_MEMPOOL(header, interp) \
4336 (header).interpreter = (interp); \
4337 (header).prev = (header).next = &(header); \
4338 (header).readonly = 0; \
4341 # define INIT_TRACK_MEMPOOL(header, interp) \
4343 (header).interpreter = (interp); \
4344 (header).prev = (header).next = &(header); \
4348 # define INIT_TRACK_MEMPOOL(header, interp)
4351 #ifdef I_MALLOCMALLOC
4352 /* Needed for malloc_size(), malloc_good_size() on some systems */
4353 # include <malloc/malloc.h>
4357 # define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
4359 # if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
4360 # ifdef PERL_TRACK_MEMPOOL
4361 # define Perl_safesysmalloc_size(where) \
4362 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4364 # define Perl_safesysmalloc_size(where) malloc_size(where)
4367 # ifdef HAS_MALLOC_GOOD_SIZE
4368 # ifdef PERL_TRACK_MEMPOOL
4369 # define Perl_malloc_good_size(how_much) \
4370 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4372 # define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4375 /* Having this as the identity operation makes some code simpler. */
4376 # define Perl_malloc_good_size(how_much) (how_much)
4380 typedef int (*runops_proc_t)(pTHX);
4381 typedef void (*share_proc_t) (pTHX_ SV *sv);
4382 typedef int (*thrhook_proc_t) (pTHX);
4383 typedef OP* (*PPADDR_t[]) (pTHX);
4384 typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4385 typedef void (*despatch_signals_proc_t) (pTHX);
4387 #if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4388 # include <crt_externs.h> /* for the env array */
4389 # define environ (*_NSGetEnviron())
4391 /* VMS and some other platforms don't use the environ array */
4392 # ifdef USE_ENVIRON_ARRAY
4393 # if !defined(DONT_DECLARE_STD) || \
4394 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
4396 extern char ** environ; /* environment variables supplied via exec */
4401 #define PERL_PATCHLEVEL_H_IMPLICIT
4402 #include "patchlevel.h"
4403 #undef PERL_PATCHLEVEL_H_IMPLICIT
4405 #define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4406 STRINGIFY(PERL_VERSION) "." \
4407 STRINGIFY(PERL_SUBVERSION)
4409 #define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4410 STRINGIFY(PERL_API_VERSION) "." \
4411 STRINGIFY(PERL_API_SUBVERSION)
4415 /* handy constants */
4416 EXTCONST char PL_warn_uninit[]
4417 INIT("Use of uninitialized value%s%s%s");
4418 EXTCONST char PL_warn_uninit_sv[]
4419 INIT("Use of uninitialized value%" SVf "%s%s");
4420 EXTCONST char PL_warn_nosemi[]
4421 INIT("Semicolon seems to be missing");
4422 EXTCONST char PL_warn_reserved[]
4423 INIT("Unquoted string \"%s\" may clash with future reserved word");
4424 EXTCONST char PL_warn_nl[]
4425 INIT("Unsuccessful %s on filename containing newline");
4426 EXTCONST char PL_no_wrongref[]
4427 INIT("Can't use %s ref as %s ref");
4428 /* The core no longer needs these here. If you require the string constant,
4429 please inline a copy into your own code. */
4430 EXTCONST char PL_no_symref[] __attribute__deprecated__
4431 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
4432 EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4433 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
4434 EXTCONST char PL_no_usym[]
4435 INIT("Can't use an undefined value as %s reference");
4436 EXTCONST char PL_no_aelem[]
4437 INIT("Modification of non-creatable array value attempted, subscript %d");
4438 EXTCONST char PL_no_helem_sv[]
4439 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
4440 EXTCONST char PL_no_modify[]
4441 INIT("Modification of a read-only value attempted");
4442 EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
4443 INIT("Out of memory!\n");
4444 EXTCONST char PL_no_security[]
4445 INIT("Insecure dependency in %s%s");
4446 EXTCONST char PL_no_sock_func[]
4447 INIT("Unsupported socket function \"%s\" called");
4448 EXTCONST char PL_no_dir_func[]
4449 INIT("Unsupported directory function \"%s\" called");
4450 EXTCONST char PL_no_func[]
4451 INIT("The %s function is unimplemented");
4452 EXTCONST char PL_no_myglob[]
4453 INIT("\"%s\" variable %s can't be in a package");
4454 EXTCONST char PL_no_localize_ref[]
4455 INIT("Can't localize through a reference");
4456 EXTCONST char PL_memory_wrap[]
4457 INIT("panic: memory wrap");
4459 EXTCONST char PL_Yes[]
4461 EXTCONST char PL_No[]
4463 EXTCONST char PL_hexdigit[]
4464 INIT("0123456789abcdef0123456789ABCDEF");
4466 /* This is constant on most architectures, a global on OS/2 */
4468 EXTCONST char PL_sh_path[]
4469 INIT(SH_PATH); /* full path of shell */
4473 EXTCONST char PL_cshname[]
4475 # define PL_cshlen (sizeof(CSH "") - 1)
4478 /* These are baked at compile time into any shared perl library.
4479 In future releases this will allow us in main() to sanity test the
4480 library we're linking against. */
4482 EXTCONST U8 PL_revision
4483 INIT(PERL_REVISION);
4484 EXTCONST U8 PL_version
4486 EXTCONST U8 PL_subversion
4487 INIT(PERL_SUBVERSION);
4489 EXTCONST char PL_uuemap[65]
4490 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4493 EXTCONST char PL_uudmap[256] =
4495 # include "uuudmap.h"
4497 # include "uudmap.h"
4500 EXTCONST char PL_bitcount[256] =
4502 # include "ubitcount.h"
4504 # include "bitcount.h"
4507 EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4508 EXTCONST int PL_sig_num[] = { SIG_NUM };
4510 EXTCONST char PL_uudmap[256];
4511 EXTCONST char PL_bitcount[256];
4512 EXTCONST char* const PL_sig_name[];
4513 EXTCONST int PL_sig_num[];
4516 /* fast conversion and case folding tables. The folding tables complement the
4517 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4518 * folds such as outside the range or to multiple characters. */
4523 /* The EBCDIC fold table depends on the code page, and hence is found in
4526 EXTCONST unsigned char PL_fold[] = {
4527 0, 1, 2, 3, 4, 5, 6, 7,
4528 8, 9, 10, 11, 12, 13, 14, 15,
4529 16, 17, 18, 19, 20, 21, 22, 23,
4530 24, 25, 26, 27, 28, 29, 30, 31,
4531 32, 33, 34, 35, 36, 37, 38, 39,
4532 40, 41, 42, 43, 44, 45, 46, 47,
4533 48, 49, 50, 51, 52, 53, 54, 55,
4534 56, 57, 58, 59, 60, 61, 62, 63,
4535 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4536 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4537 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4538 'x', 'y', 'z', 91, 92, 93, 94, 95,
4539 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4540 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4541 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4542 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4543 128, 129, 130, 131, 132, 133, 134, 135,
4544 136, 137, 138, 139, 140, 141, 142, 143,
4545 144, 145, 146, 147, 148, 149, 150, 151,
4546 152, 153, 154, 155, 156, 157, 158, 159,
4547 160, 161, 162, 163, 164, 165, 166, 167,
4548 168, 169, 170, 171, 172, 173, 174, 175,
4549 176, 177, 178, 179, 180, 181, 182, 183,
4550 184, 185, 186, 187, 188, 189, 190, 191,
4551 192, 193, 194, 195, 196, 197, 198, 199,
4552 200, 201, 202, 203, 204, 205, 206, 207,
4553 208, 209, 210, 211, 212, 213, 214, 215,
4554 216, 217, 218, 219, 220, 221, 222, 223,
4555 224, 225, 226, 227, 228, 229, 230, 231,
4556 232, 233, 234, 235, 236, 237, 238, 239,
4557 240, 241, 242, 243, 244, 245, 246, 247,
4558 248, 249, 250, 251, 252, 253, 254, 255
4560 EXTCONST unsigned char PL_fold_latin1[] = {
4561 /* Full latin1 complement folding, except for three problematic code points:
4562 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4563 * fold complements outside the Latin1 range, so can't match something
4564 * that isn't in utf8.
4565 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4566 * not one, so can't be represented in this table.
4568 * All have to be specially handled */
4569 0, 1, 2, 3, 4, 5, 6, 7,
4570 8, 9, 10, 11, 12, 13, 14, 15,
4571 16, 17, 18, 19, 20, 21, 22, 23,
4572 24, 25, 26, 27, 28, 29, 30, 31,
4573 32, 33, 34, 35, 36, 37, 38, 39,
4574 40, 41, 42, 43, 44, 45, 46, 47,
4575 48, 49, 50, 51, 52, 53, 54, 55,
4576 56, 57, 58, 59, 60, 61, 62, 63,
4577 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4578 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4579 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4580 'x', 'y', 'z', 91, 92, 93, 94, 95,
4581 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4582 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4583 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4584 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4585 128, 129, 130, 131, 132, 133, 134, 135,
4586 136, 137, 138, 139, 140, 141, 142, 143,
4587 144, 145, 146, 147, 148, 149, 150, 151,
4588 152, 153, 154, 155, 156, 157, 158, 159,
4589 160, 161, 162, 163, 164, 165, 166, 167,
4590 168, 169, 170, 171, 172, 173, 174, 175,
4591 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4592 184, 185, 186, 187, 188, 189, 190, 191,
4593 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4594 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4595 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4596 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4597 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4598 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4599 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4600 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4601 255 /* y with diaeresis */
4604 /* If these tables are accessed through ebcdic, the access will be converted to
4606 EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4607 0, 1, 2, 3, 4, 5, 6, 7,
4608 8, 9, 10, 11, 12, 13, 14, 15,
4609 16, 17, 18, 19, 20, 21, 22, 23,
4610 24, 25, 26, 27, 28, 29, 30, 31,
4611 32, 33, 34, 35, 36, 37, 38, 39,
4612 40, 41, 42, 43, 44, 45, 46, 47,
4613 48, 49, 50, 51, 52, 53, 54, 55,
4614 56, 57, 58, 59, 60, 61, 62, 63,
4615 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4616 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4617 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4618 'x', 'y', 'z', 91, 92, 93, 94, 95,
4619 96, 97, 98, 99, 100, 101, 102, 103,
4620 104, 105, 106, 107, 108, 109, 110, 111,
4621 112, 113, 114, 115, 116, 117, 118, 119,
4622 120, 121, 122, 123, 124, 125, 126, 127,
4623 128, 129, 130, 131, 132, 133, 134, 135,
4624 136, 137, 138, 139, 140, 141, 142, 143,
4625 144, 145, 146, 147, 148, 149, 150, 151,
4626 152, 153, 154, 155, 156, 157, 158, 159,
4627 160, 161, 162, 163, 164, 165, 166, 167,
4628 168, 169, 170, 171, 172, 173, 174, 175,
4629 176, 177, 178, 179, 180, 181, 182, 183,
4630 184, 185, 186, 187, 188, 189, 190, 191,
4631 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4632 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4633 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4634 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4635 224, 225, 226, 227, 228, 229, 230, 231,
4636 232, 233, 234, 235, 236, 237, 238, 239,
4637 240, 241, 242, 243, 244, 245, 246, 247,
4638 248, 249, 250, 251, 252, 253, 254, 255
4641 /* upper and title case of latin1 characters, modified so that the three tricky
4642 * ones are mapped to 255 (which is one of the three) */
4643 EXTCONST unsigned char PL_mod_latin1_uc[] = {
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, 65, 66, 67, 68, 69, 70, 71,
4653 72, 73, 74, 75, 76, 77, 78, 79,
4654 80, 81, 82, 83, 84, 85, 86, 87,
4655 88, 89, 90, 91, 92, 93, 94, 95,
4656 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4657 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4658 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4659 'X', 'Y', 'Z', 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, 255 /*micro*/, 182, 183,
4667 184, 185, 186, 187, 188, 189, 190, 191,
4668 192, 193, 194, 195, 196, 197, 198, 199,
4669 200, 201, 202, 203, 204, 205, 206, 207,
4670 208, 209, 210, 211, 212, 213, 214, 215,
4671 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4672 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4673 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4674 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4675 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4677 #endif /* !EBCDIC, but still in DOINIT */
4678 #else /* ! DOINIT */
4680 EXTCONST unsigned char PL_fold[];
4681 EXTCONST unsigned char PL_fold_latin1[];
4682 EXTCONST unsigned char PL_mod_latin1_uc[];
4683 EXTCONST unsigned char PL_latin1_lc[];
4687 #ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
4689 EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
4690 0, 1, 2, 3, 4, 5, 6, 7,
4691 8, 9, 10, 11, 12, 13, 14, 15,
4692 16, 17, 18, 19, 20, 21, 22, 23,
4693 24, 25, 26, 27, 28, 29, 30, 31,
4694 32, 33, 34, 35, 36, 37, 38, 39,
4695 40, 41, 42, 43, 44, 45, 46, 47,
4696 48, 49, 50, 51, 52, 53, 54, 55,
4697 56, 57, 58, 59, 60, 61, 62, 63,
4698 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4699 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4700 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4701 'x', 'y', 'z', 91, 92, 93, 94, 95,
4702 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4703 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4704 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4705 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4706 128, 129, 130, 131, 132, 133, 134, 135,
4707 136, 137, 138, 139, 140, 141, 142, 143,
4708 144, 145, 146, 147, 148, 149, 150, 151,
4709 152, 153, 154, 155, 156, 157, 158, 159,
4710 160, 161, 162, 163, 164, 165, 166, 167,
4711 168, 169, 170, 171, 172, 173, 174, 175,
4712 176, 177, 178, 179, 180, 181, 182, 183,
4713 184, 185, 186, 187, 188, 189, 190, 191,
4714 192, 193, 194, 195, 196, 197, 198, 199,
4715 200, 201, 202, 203, 204, 205, 206, 207,
4716 208, 209, 210, 211, 212, 213, 214, 215,
4717 216, 217, 218, 219, 220, 221, 222, 223,
4718 224, 225, 226, 227, 228, 229, 230, 231,
4719 232, 233, 234, 235, 236, 237, 238, 239,
4720 240, 241, 242, 243, 244, 245, 246, 247,
4721 248, 249, 250, 251, 252, 253, 254, 255
4724 EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
4726 #endif /* !PERL_GLOBAL_STRUCT */
4730 EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
4731 1, 2, 84, 151, 154, 155, 156, 157,
4732 165, 246, 250, 3, 158, 7, 18, 29,
4733 40, 51, 62, 73, 85, 96, 107, 118,
4734 129, 140, 147, 148, 149, 150, 152, 153,
4735 255, 6, 8, 9, 10, 11, 12, 13,
4736 14, 15, 24, 25, 26, 27, 28, 226,
4737 29, 30, 31, 32, 33, 43, 44, 45,
4738 46, 47, 48, 49, 50, 76, 77, 78,
4739 79, 80, 81, 82, 83, 84, 85, 86,
4740 87, 94, 95, 234, 181, 233, 187, 190,
4741 180, 96, 97, 98, 99, 100, 101, 102,
4742 104, 112, 182, 174, 236, 232, 229, 103,
4743 228, 226, 114, 115, 116, 117, 118, 119,
4744 120, 121, 122, 235, 176, 230, 194, 162,
4745 130, 131, 132, 133, 134, 135, 136, 137,
4746 138, 139, 201, 205, 163, 217, 220, 224,
4747 5, 248, 227, 244, 242, 255, 241, 231,
4748 240, 253, 16, 197, 19, 20, 21, 187,
4749 23, 169, 210, 245, 237, 249, 247, 239,
4750 168, 252, 34, 196, 36, 37, 38, 39,
4751 41, 42, 251, 254, 238, 223, 221, 213,
4752 225, 177, 52, 53, 54, 55, 56, 57,
4753 58, 59, 60, 61, 63, 64, 65, 66,
4754 67, 68, 69, 70, 71, 72, 74, 75,
4755 205, 208, 186, 202, 200, 218, 198, 179,
4756 178, 214, 88, 89, 90, 91, 92, 93,
4757 217, 166, 170, 207, 199, 209, 206, 204,
4758 160, 212, 105, 106, 108, 109, 110, 111,
4759 203, 113, 216, 215, 192, 175, 193, 243,
4760 172, 161, 123, 124, 125, 126, 127, 128,
4761 222, 219, 211, 195, 188, 193, 185, 184,
4762 191, 183, 141, 142, 143, 144, 145, 146
4764 #else /* ascii rather than ebcdic */
4765 EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
4766 1, 2, 84, 151, 154, 155, 156, 157,
4767 165, 246, 250, 3, 158, 7, 18, 29,
4768 40, 51, 62, 73, 85, 96, 107, 118,
4769 129, 140, 147, 148, 149, 150, 152, 153,
4770 255, 182, 224, 205, 174, 176, 180, 217,
4771 233, 232, 236, 187, 235, 228, 234, 226,
4772 222, 219, 211, 195, 188, 193, 185, 184,
4773 191, 183, 201, 229, 181, 220, 194, 162,
4774 163, 208, 186, 202, 200, 218, 198, 179,
4775 178, 214, 166, 170, 207, 199, 209, 206,
4776 204, 160, 212, 216, 215, 192, 175, 173,
4777 243, 172, 161, 190, 203, 189, 164, 230,
4778 167, 248, 227, 244, 242, 255, 241, 231,
4779 240, 253, 169, 210, 245, 237, 249, 247,
4780 239, 168, 252, 251, 254, 238, 223, 221,
4781 213, 225, 177, 197, 171, 196, 159, 4,
4782 5, 6, 8, 9, 10, 11, 12, 13,
4783 14, 15, 16, 17, 19, 20, 21, 22,
4784 23, 24, 25, 26, 27, 28, 30, 31,
4785 32, 33, 34, 35, 36, 37, 38, 39,
4786 41, 42, 43, 44, 45, 46, 47, 48,
4787 49, 50, 52, 53, 54, 55, 56, 57,
4788 58, 59, 60, 61, 63, 64, 65, 66,
4789 67, 68, 69, 70, 71, 72, 74, 75,
4790 76, 77, 78, 79, 80, 81, 82, 83,
4791 86, 87, 88, 89, 90, 91, 92, 93,
4792 94, 95, 97, 98, 99, 100, 101, 102,
4793 103, 104, 105, 106, 108, 109, 110, 111,
4794 112, 113, 114, 115, 116, 117, 119, 120,
4795 121, 122, 123, 124, 125, 126, 127, 128,
4796 130, 131, 132, 133, 134, 135, 136, 137,
4797 138, 139, 141, 142, 143, 144, 145, 146
4801 EXTCONST unsigned char PL_freq[];
4804 /* Although only used for debugging, these constants must be available in
4805 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4806 * which has DEBUGGING enabled always */
4808 EXTCONST char* const PL_block_type[] = {
4823 EXTCONST char* PL_block_type[];
4826 /* These are all the compile time options that affect binary compatibility.
4827 Other compile time options that are binary compatible are in perl.c
4828 Both are combined for the output of perl -V
4829 However, this string will be embedded in any shared perl library, which will
4830 allow us add a comparison check in perlmain.c in the near future. */
4832 EXTCONST char PL_bincompat_options[] =
4833 # ifdef DEBUG_LEAKING_SCALARS
4834 " DEBUG_LEAKING_SCALARS"
4836 # ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4837 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4845 # ifdef HAVE_INTERP_INTERN
4846 " HAVE_INTERP_INTERN"
4848 # ifdef MULTIPLICITY
4854 # ifdef PERLIO_LAYERS
4857 # ifdef PERL_DEBUG_READONLY_COW
4858 " PERL_DEBUG_READONLY_COW"
4860 # ifdef PERL_DEBUG_READONLY_OPS
4861 " PERL_DEBUG_READONLY_OPS"
4863 # ifdef PERL_GLOBAL_STRUCT
4864 " PERL_GLOBAL_STRUCT"
4866 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
4867 " PERL_GLOBAL_STRUCT_PRIVATE"
4869 # ifdef PERL_IMPLICIT_CONTEXT
4870 " PERL_IMPLICIT_CONTEXT"
4872 # ifdef PERL_IMPLICIT_SYS
4873 " PERL_IMPLICIT_SYS"
4878 # ifdef PERL_NEED_APPCTX
4881 # ifdef PERL_NEED_TIMESBASE
4882 " PERL_NEED_TIMESBASE"
4884 # ifdef PERL_OLD_COPY_ON_WRITE
4885 " PERL_OLD_COPY_ON_WRITE"
4890 # ifdef PERL_SAWAMPERSAND
4891 " PERL_SAWAMPERSAND"
4893 # ifdef PERL_TRACK_MEMPOOL
4894 " PERL_TRACK_MEMPOOL"
4896 # ifdef PERL_USES_PL_PIDSTATUS
4897 " PERL_USES_PL_PIDSTATUS"
4899 # ifdef USE_64_BIT_ALL
4902 # ifdef USE_64_BIT_INT
4908 # ifdef USE_ITHREADS
4911 # ifdef USE_LARGE_FILES
4914 # ifdef USE_LOCALE_COLLATE
4915 " USE_LOCALE_COLLATE"
4917 # ifdef USE_LOCALE_NUMERIC
4918 " USE_LOCALE_NUMERIC"
4920 # ifdef USE_LOCALE_TIME
4923 # ifdef USE_LONG_DOUBLE
4929 # ifdef USE_REENTRANT_API
4930 " USE_REENTRANT_API"
4935 # ifdef VMS_DO_SOCKETS
4938 # ifdef VMS_SHORTEN_LONG_SYMBOLS
4939 " VMS_SHORTEN_LONG_SYMBOLS"
4941 # ifdef VMS_WE_ARE_CASE_SENSITIVE
4942 " VMS_SYMBOL_CASE_AS_IS"
4946 EXTCONST char PL_bincompat_options[];
4949 #ifndef PERL_SET_PHASE
4950 # define PERL_SET_PHASE(new_phase) \
4951 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
4952 PL_phase = new_phase;
4955 /* The interpreter phases. If these ever change, PL_phase_names right below will
4956 * need to be updated accordingly. */
4958 PERL_PHASE_CONSTRUCT = 0,
4959 PERL_PHASE_START = 1,
4960 PERL_PHASE_CHECK = 2,
4961 PERL_PHASE_INIT = 3,
4964 PERL_PHASE_DESTRUCT = 6
4968 EXTCONST char *const PL_phase_names[] = {
4978 EXTCONST char *const PL_phase_names[];
4982 /* Do not use this macro. It only exists for extensions that rely on PL_dirty
4983 * instead of using the newer PL_phase, which provides everything PL_dirty
4984 * provided, and more. */
4985 # define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
4987 # define PL_amagic_generation PL_na
4988 #endif /* !PERL_CORE */
4990 #define PL_hints PL_compiling.cop_hints
4994 /*****************************************************************************/
4995 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
4996 /*****************************************************************************/
4997 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
5000 /* LynxOS defines these in scsi.h which is included via ioctl.h */
5009 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
5022 XTERMORDORDOR /* evil hack */
5023 /* update exp_name[] in toke.c if adding to this enum */
5026 /* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
5027 special and there is no need for HINT_PRIVATE_MASK for COPs
5028 However, bitops store HINT_INTEGER in their op_private.
5030 NOTE: The typical module using these has the bit value hard-coded, so don't
5031 blindly change the values of these.
5033 If we run out of bits, the 2 locale ones could be combined. The PARTIAL one
5034 is for "use locale 'FOO'" which excludes some categories. It requires going
5035 to %^H to find out which are in and which are out. This could be extended
5036 for the normal case of a plain HINT_LOCALE, so that %^H would be used for
5038 #define HINT_INTEGER 0x00000001 /* integer pragma */
5039 #define HINT_STRICT_REFS 0x00000002 /* strict pragma */
5040 #define HINT_LOCALE 0x00000004 /* locale pragma */
5041 #define HINT_BYTES 0x00000008 /* bytes pragma */
5042 #define HINT_LOCALE_PARTIAL 0x00000010 /* locale, but a subset of categories */
5044 #define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
5045 #define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
5046 #define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
5048 #define HINT_BLOCK_SCOPE 0x00000100
5049 #define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
5050 #define HINT_STRICT_VARS 0x00000400 /* strict pragma */
5051 #define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
5053 /* The HINT_NEW_* constants are used by the overload pragma */
5054 #define HINT_NEW_INTEGER 0x00001000
5055 #define HINT_NEW_FLOAT 0x00002000
5056 #define HINT_NEW_BINARY 0x00004000
5057 #define HINT_NEW_STRING 0x00008000
5058 #define HINT_NEW_RE 0x00010000
5059 #define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
5060 #define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
5061 #define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
5063 #define HINT_RE_TAINT 0x00100000 /* re pragma */
5064 #define HINT_RE_EVAL 0x00200000 /* re pragma */
5066 #define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
5067 #define HINT_UTF8 0x00800000 /* utf8 pragma */
5069 #define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
5071 #define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
5073 #define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
5075 /* Note: Used for NATIVE_HINTS, currently
5076 defined by vms/vmsish.h:
5081 /* The following are stored in $^H{sort}, not in PL_hints */
5082 #define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
5083 #define HINT_SORT_QUICKSORT 0x00000001
5084 #define HINT_SORT_MERGESORT 0x00000002
5085 #define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
5087 /* flags for PL_sawampersand */
5089 #define SAWAMPERSAND_LEFT 1 /* saw $` */
5090 #define SAWAMPERSAND_MIDDLE 2 /* saw $& */
5091 #define SAWAMPERSAND_RIGHT 4 /* saw $' */
5093 #ifndef PERL_SAWAMPERSAND
5094 # define PL_sawampersand \
5095 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
5098 /* Various states of the input record separator SV (rs) */
5099 #define RsSNARF(sv) (! SvOK(sv))
5100 #define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
5101 #define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5102 #define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
5104 /* A struct for keeping various DEBUGGING related stuff,
5105 * neatly packed. Currently only scratch variables for
5106 * constructing debug output are included. Needed always,
5107 * not just when DEBUGGING, though, because of the re extension. c*/
5108 struct perl_debug_pad {
5112 #define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
5113 #define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
5114 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
5117 /* Enable variables which are pointers to functions */
5118 typedef void (*peep_t)(pTHX_ OP* o);
5119 typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
5120 typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
5121 char* strend, char* strbeg, I32 minend,
5122 SV* screamer, void* data, U32 flags);
5123 typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
5124 char *strpos, char *strend,
5126 re_scream_pos_data *d);
5127 typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
5128 typedef void (*regfree_t) (pTHX_ struct regexp* r);
5129 typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
5130 typedef I32 (*re_fold_t)(const char *, char const *, I32);
5132 typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
5133 typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
5134 typedef void (*SVFUNC_t) (pTHX_ SV* const);
5135 typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
5136 typedef void (*XSINIT_t) (pTHX);
5137 typedef void (*ATEXIT_t) (pTHX_ void*);
5138 typedef void (*XSUBADDR_t) (pTHX_ CV *);
5140 typedef OP* (*Perl_ppaddr_t)(pTHX);
5141 typedef OP* (*Perl_check_t) (pTHX_ OP*);
5142 typedef void(*Perl_ophook_t)(pTHX_ OP*);
5143 typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
5144 typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
5146 typedef void(*globhook_t)(pTHX);
5148 #define KEYWORD_PLUGIN_DECLINE 0
5149 #define KEYWORD_PLUGIN_STMT 1
5150 #define KEYWORD_PLUGIN_EXPR 2
5152 /* Interpreter exitlist entry */
5153 typedef struct exitlistentry {
5154 void (*fn) (pTHX_ void*);
5156 } PerlExitListEntry;
5158 /* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
5159 /* These have to be before perlvars.h */
5160 #if !defined(HAS_SIGACTION) && defined(VMS)
5161 # define FAKE_PERSISTENT_SIGNAL_HANDLERS
5163 /* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
5164 #if defined(KILL_BY_SIGPRC)
5165 # define FAKE_DEFAULT_SIGNAL_HANDLERS
5168 #if !defined(MULTIPLICITY)
5170 struct interpreter {
5176 /* If we have multiple interpreters define a struct
5177 holding variables which must be per-interpreter
5178 If we don't have threads anything that would have
5179 be per-thread is per-interpreter.
5182 /* Set up PERLVAR macros for populating structs */
5183 # define PERLVAR(prefix,var,type) type prefix##var;
5185 /* 'var' is an array of length 'n' */
5186 # define PERLVARA(prefix,var,n,type) type prefix##var[n];
5188 /* initialize 'var' to init' */
5189 # define PERLVARI(prefix,var,type,init) type prefix##var;
5191 /* like PERLVARI, but make 'var' a const */
5192 # define PERLVARIC(prefix,var,type,init) type prefix##var;
5194 struct interpreter {
5195 # include "intrpvar.h"
5198 EXTCONST U16 PL_interp_size
5199 INIT(sizeof(struct interpreter));
5201 # define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
5202 STRUCT_OFFSET(struct interpreter, member) + \
5203 sizeof(((struct interpreter*)0)->member)
5205 /* This will be useful for subsequent releases, because this has to be the
5206 same in your libperl as in main(), else you have a mismatch and must abort.
5208 EXTCONST U16 PL_interp_size_5_18_0
5209 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER));
5212 # ifdef PERL_GLOBAL_STRUCT
5213 /* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
5214 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
5217 # include "perlvars.h"
5220 EXTCONST U16 PL_global_struct_size
5221 INIT(sizeof(struct perl_vars));
5224 # ifndef PERL_GLOBAL_STRUCT_PRIVATE
5225 EXT struct perl_vars PL_Vars;
5226 EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
5227 # undef PERL_GET_VARS
5228 # define PERL_GET_VARS() PL_VarsPtr
5229 # endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
5230 # else /* PERL_CORE */
5231 # if !defined(__GNUC__) || !defined(WIN32)
5234 struct perl_vars *PL_VarsPtr;
5235 # define PL_Vars (*((PL_VarsPtr) \
5236 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
5237 # endif /* PERL_CORE */
5238 # endif /* PERL_GLOBAL_STRUCT */
5240 /* Done with PERLVAR macros for now ... */
5246 #endif /* MULTIPLICITY */
5248 struct tempsym; /* defined in pp_pack.c */
5253 #ifndef PERL_CALLCONV
5255 # define PERL_CALLCONV extern "C"
5257 # define PERL_CALLCONV
5260 #ifndef PERL_CALLCONV_NO_RET
5261 # define PERL_CALLCONV_NO_RET PERL_CALLCONV
5264 /* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
5265 dont have a noreturn as a declaration specifier
5267 #ifndef PERL_STATIC_NO_RET
5268 # define PERL_STATIC_NO_RET STATIC
5270 /* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
5271 builds that dont have a noreturn as a declaration specifier
5273 #ifndef PERL_STATIC_INLINE_NO_RET
5274 # define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
5280 #define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5281 #define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
5284 # include "malloc_ctl.h"
5289 /* this has structure inits, so it cannot be included before here */
5292 /* The following must follow proto.h as #defines mess up syntax */
5294 #if !defined(PERL_FOR_X2P)
5295 # include "embedvar.h"
5298 /* Now include all the 'global' variables
5299 * If we don't have threads or multiple interpreters
5300 * these include variables that would have been their struct-s
5303 #define PERLVAR(prefix,var,type) EXT type PL_##var;
5304 #define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5305 #define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5306 #define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
5308 #if !defined(MULTIPLICITY)
5310 # include "intrpvar.h"
5315 /* All core uses now exterminated. Ensure no zombies can return: */
5319 /* Now all the config stuff is setup we can include embed.h
5320 In particular, need the relevant *ish file included already, as it may
5321 define HAVE_INTERP_INTERN */
5324 #ifndef PERL_GLOBAL_STRUCT
5327 # include "perlvars.h"
5339 /* dummy variables that hold pointers to both runops functions, thus forcing
5340 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5342 EXTCONST runops_proc_t PL_runops_std
5343 INIT(Perl_runops_standard);
5344 EXTCONST runops_proc_t PL_runops_dbg
5345 INIT(Perl_runops_debug);
5347 /* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5348 * magic vtables const, but this is incompatible with SWIG which
5349 * does want to modify the vtables. */
5350 #ifdef PERL_GLOBAL_STRUCT_PRIVATE
5351 # define EXT_MGVTBL EXTCONST MGVTBL
5353 # define EXT_MGVTBL EXT MGVTBL
5356 #define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
5357 #define PERL_MAGIC_VALUE_MAGIC 0x80
5358 #define PERL_MAGIC_VTABLE_MASK 0x3F
5359 #define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5360 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
5361 #define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5362 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5364 #include "mg_vtable.h"
5367 EXTCONST U8 PL_magic_data[256] =
5369 # include "umg_data.h"
5371 # include "mg_data.h"
5375 EXTCONST U8 PL_magic_data[256];
5379 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */
5381 PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5383 PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5385 PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
5387 PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
5389 PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
5391 PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
5395 EXTCONST bool PL_valid_types_IVX[];
5396 EXTCONST bool PL_valid_types_NVX[];
5397 EXTCONST bool PL_valid_types_PVX[];
5398 EXTCONST bool PL_valid_types_RV[];
5399 EXTCONST bool PL_valid_types_IV_set[];
5400 EXTCONST bool PL_valid_types_NV_set[];
5405 /* if these never got defined, they need defaults */
5406 #ifndef PERL_SET_CONTEXT
5407 # define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5410 #ifndef PERL_GET_CONTEXT
5411 # define PERL_GET_CONTEXT PERL_GET_INTERP
5414 #ifndef PERL_GET_THX
5415 # define PERL_GET_THX ((void*)NULL)
5418 #ifndef PERL_SET_THX
5419 # define PERL_SET_THX(t) NOOP
5423 #ifndef PERL_NO_INLINE_FUNCTIONS
5424 /* Static inline funcs that depend on includes and declarations above.
5425 Some of these reference functions in the perl object files, and some
5426 compilers aren't smart enough to eliminate unused static inline
5427 functions, so including this file in source code can cause link errors
5428 even if the source code uses none of the functions. Hence including these
5429 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will
5430 (obviously) result in unworkable XS code, but allows simple probing code
5431 to continue to work, because it permits tests to include the perl headers
5432 for definitions without creating a link dependency on the perl library
5433 (which may not exist yet).
5436 # include "inline.h"
5439 #include "overload.h"
5448 CV* table[NofAMmeth];
5450 struct am_table_short {
5456 typedef struct am_table AMT;
5457 typedef struct am_table_short AMTS;
5459 #define AMGfallNEVER 1
5461 #define AMGfallYES 3
5463 #define AMTf_AMAGIC 1
5464 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5465 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5466 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5468 #define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
5471 * some compilers like to redefine cos et alia as faster
5472 * (and less accurate?) versions called F_cos et cetera (Quidquid
5473 * latine dictum sit, altum viditur.) This trick collides with
5474 * the Perl overloading (amg). The following #defines fool both.
5479 # define F_atan2_amg atan2_amg
5482 # define F_cos_amg cos_amg
5485 # define F_exp_amg exp_amg
5488 # define F_log_amg log_amg
5491 # define F_pow_amg pow_amg
5494 # define F_sin_amg sin_amg
5497 # define F_sqrt_amg sqrt_amg
5499 #endif /* _FASTMATH */
5501 #define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5502 PERLDBf_NOOPT | PERLDBf_INTER | \
5503 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
5504 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5506 /* No _NONAME, _GOTO */
5507 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5508 #define PERLDBf_LINE 0x02 /* Keep line # */
5509 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5510 #define PERLDBf_INTER 0x08 /* Preserve more data for
5511 later inspections */
5512 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5513 #define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5514 #define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5515 #define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5516 #define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5517 #define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
5518 #define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
5519 #define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
5520 #define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
5522 #define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5523 #define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5524 #define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5525 #define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5526 #define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5527 #define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5528 #define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5529 #define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
5530 #define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5531 #define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
5532 #define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
5533 #define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5534 #define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
5537 /* These locale things are all subject to change */
5538 /* Returns TRUE if the plain locale pragma without a parameter is in effect
5540 # define IN_LOCALE_RUNTIME cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE)
5542 /* Returns TRUE if either form of the locale pragma is in effect */
5543 # define IN_SOME_LOCALE_FORM_RUNTIME \
5544 cBOOL(CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
5546 # define IN_LOCALE_COMPILETIME cBOOL(PL_hints & HINT_LOCALE)
5547 # define IN_SOME_LOCALE_FORM_COMPILETIME \
5548 cBOOL(PL_hints & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
5550 # define IN_LOCALE \
5551 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
5552 # define IN_SOME_LOCALE_FORM \
5553 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5554 : IN_SOME_LOCALE_FORM_RUNTIME)
5556 # define IN_LC_ALL_COMPILETIME IN_LOCALE_COMPILETIME
5557 # define IN_LC_ALL_RUNTIME IN_LOCALE_RUNTIME
5559 # define IN_LC_PARTIAL_COMPILETIME cBOOL(PL_hints & HINT_LOCALE_PARTIAL)
5560 # define IN_LC_PARTIAL_RUNTIME \
5561 cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE_PARTIAL)
5563 # define IN_LC_COMPILETIME(category) \
5564 (IN_LC_ALL_COMPILETIME || (IN_LC_PARTIAL_COMPILETIME \
5565 && _is_in_locale_category(TRUE, (category))))
5566 # define IN_LC_RUNTIME(category) \
5567 (IN_LC_ALL_RUNTIME || (IN_LC_PARTIAL_RUNTIME \
5568 && _is_in_locale_category(FALSE, (category))))
5569 # define IN_LC(category) \
5570 (IN_LC_COMPILETIME(category) || IN_LC_RUNTIME(category))
5572 #else /* No locale usage */
5573 # define IN_LOCALE_RUNTIME 0
5574 # define IN_SOME_LOCALE_FORM_RUNTIME 0
5575 # define IN_LOCALE_COMPILETIME 0
5576 # define IN_SOME_LOCALE_FORM_COMPILETIME 0
5577 # define IN_LOCALE 0
5578 # define IN_SOME_LOCALE_FORM 0
5579 # define IN_LC_ALL_COMPILETIME 0
5580 # define IN_LC_ALL_RUNTIME 0
5581 # define IN_LC_PARTIAL_COMPILETIME 0
5582 # define IN_LC_PARTIAL_RUNTIME 0
5583 # define IN_LC_COMPILETIME(category) 0
5584 # define IN_LC_RUNTIME(category) 0
5585 # define IN_LC(category) 0
5588 #ifdef USE_LOCALE_NUMERIC
5590 /* These macros are for toggling between the underlying locale (LOCAL) and the
5593 /* The first set makes sure that the locale is set to C unless within a 'use
5594 * locale's scope; otherwise to the default locale. A function pointer is
5595 * used, which can be declared separately by
5596 * DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED, followed by the actual
5597 * setting (using STORE_LC_NUMERIC_SET_TO_NEEDED()), or the two can be combined
5598 * into one call DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED().
5599 * RESTORE_LC_NUMERIC() in all cases restores the locale to what it was before
5600 * these were called */
5602 #define _NOT_IN_NUMERIC_STANDARD (! PL_numeric_standard)
5604 /* We can lock the category to stay in the C locale, making requests to the
5605 * contrary noops, in the dynamic scope by setting PL_numeric_standard to 2 */
5606 #define _NOT_IN_NUMERIC_LOCAL (! PL_numeric_local && PL_numeric_standard < 2)
5608 #define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \
5609 void (*_restore_LC_NUMERIC_function)(pTHX) = NULL;
5611 #define STORE_LC_NUMERIC_SET_TO_NEEDED() \
5612 if (IN_LC(LC_NUMERIC)) { \
5613 if (_NOT_IN_NUMERIC_LOCAL) { \
5614 set_numeric_local(); \
5615 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
5619 if (_NOT_IN_NUMERIC_STANDARD) { \
5620 SET_NUMERIC_STANDARD(); \
5621 _restore_LC_NUMERIC_function = &Perl_set_numeric_local; \
5625 #define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \
5626 DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \
5627 STORE_LC_NUMERIC_SET_TO_NEEDED();
5629 #define RESTORE_LC_NUMERIC() \
5630 if (_restore_LC_NUMERIC_function) { \
5631 _restore_LC_NUMERIC_function(aTHX); \
5634 /* The next two macros set unconditionally. These should be rarely used, and
5635 * only after being sure that this is what is needed */
5636 #define SET_NUMERIC_STANDARD() \
5637 STMT_START { if (_NOT_IN_NUMERIC_STANDARD) set_numeric_standard(); \
5640 #define SET_NUMERIC_LOCAL() \
5641 STMT_START { if (_NOT_IN_NUMERIC_LOCAL) \
5642 set_numeric_local(); } STMT_END
5644 /* The rest of these LC_NUMERIC macros toggle to one or the other state, with
5645 * the RESTORE_foo ones called to switch back, but only if need be */
5646 #define STORE_NUMERIC_LOCAL_SET_STANDARD() \
5647 bool _was_local = _NOT_IN_NUMERIC_STANDARD; \
5648 if (_was_local) set_numeric_standard();
5650 /* Doesn't change to underlying locale unless within the scope of some form of
5651 * 'use locale'. This is the usual desired behavior. */
5652 #define STORE_NUMERIC_STANDARD_SET_LOCAL() \
5653 bool _was_standard = _NOT_IN_NUMERIC_LOCAL \
5654 && IN_LC(LC_NUMERIC); \
5655 if (_was_standard) set_numeric_local();
5657 /* Rarely, we want to change to the underlying locale even outside of 'use
5658 * locale'. This is principally in the POSIX:: functions */
5659 #define STORE_NUMERIC_STANDARD_FORCE_LOCAL() \
5660 bool _was_standard = _NOT_IN_NUMERIC_LOCAL; \
5661 if (_was_standard) set_numeric_local();
5663 /* Lock to the C locale until unlock is called */
5664 #define LOCK_NUMERIC_STANDARD() \
5665 (__ASSERT_(PL_numeric_standard) \
5666 PL_numeric_standard = 2)
5668 #define UNLOCK_NUMERIC_STANDARD() \
5669 (__ASSERT_(PL_numeric_standard == 2) \
5670 PL_numeric_standard = 1)
5672 #define RESTORE_NUMERIC_LOCAL() \
5673 if (_was_local) set_numeric_local();
5675 #define RESTORE_NUMERIC_STANDARD() \
5676 if (_was_standard) SET_NUMERIC_STANDARD();
5678 #define Atof my_atof
5680 #else /* !USE_LOCALE_NUMERIC */
5682 #define SET_NUMERIC_STANDARD() /**/
5683 #define SET_NUMERIC_LOCAL() /**/
5684 #define IS_NUMERIC_RADIX(a, b) (0)
5685 #define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5686 #define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
5687 #define STORE_NUMERIC_STANDARD_FORCE_LOCAL()
5688 #define RESTORE_NUMERIC_LOCAL() /**/
5689 #define RESTORE_NUMERIC_STANDARD() /**/
5690 #define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED
5691 #define STORE_LC_NUMERIC_SET_TO_NEEDED()
5692 #define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED()
5693 #define RESTORE_LC_NUMERIC()
5694 #define LOCK_NUMERIC_STANDARD()
5695 #define UNLOCK_NUMERIC_STANDARD()
5697 #define Atof my_atof
5699 #endif /* !USE_LOCALE_NUMERIC */
5701 #if defined(HAS_LONG_DOUBLE) && defined(USE_LONG_DOUBLE)
5702 # if defined(HAS_STRTOLD)
5703 # define Perl_strtod(s, e) strtold(s, e)
5704 # elif defined(HAS_STRTOD)
5705 # define Perl_strtod(s, e) (NV)strtod(s, e) /* Unavoidable loss. */
5707 #elif defined(HAS_STRTOD)
5708 # define Perl_strtod(s, e) strtod(s, e)
5711 #if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5712 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5714 # define strtoll __strtoll /* secret handshake */
5717 # define strtoll _strtoi64 /* secret handshake */
5719 # if !defined(Strtol) && defined(HAS_STRTOLL)
5720 # define Strtol strtoll
5722 # if !defined(Strtol) && defined(HAS_STRTOQ)
5723 # define Strtol strtoq
5725 /* is there atoq() anywhere? */
5727 #if !defined(Strtol) && defined(HAS_STRTOL)
5728 # define Strtol strtol
5731 /* It would be more fashionable to use Strtol() to define atol()
5732 * (as is done for Atoul(), see below) but for backward compatibility
5733 * we just assume atol(). */
5734 # if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5735 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5737 # define atoll _atoi64 /* secret handshake */
5745 #if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5746 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5748 # define strtoull __strtoull /* secret handshake */
5751 # define strtoull _strtoui64 /* secret handshake */
5753 # if !defined(Strtoul) && defined(HAS_STRTOULL)
5754 # define Strtoul strtoull
5756 # if !defined(Strtoul) && defined(HAS_STRTOUQ)
5757 # define Strtoul strtouq
5759 /* is there atouq() anywhere? */
5761 #if !defined(Strtoul) && defined(HAS_STRTOUL)
5762 # define Strtoul strtoul
5764 #if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5765 # define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5768 # define Atoul(s) Strtoul(s, NULL, 10)
5771 #ifndef PERL_SCRIPT_MODE
5772 #define PERL_SCRIPT_MODE "r"
5776 * Some operating systems are stingy with stack allocation,
5777 * so perl may have to guard against stack overflow.
5779 #ifndef PERL_STACK_OVERFLOW_CHECK
5780 #define PERL_STACK_OVERFLOW_CHECK() NOOP
5784 * Some nonpreemptive operating systems find it convenient to
5785 * check for asynchronous conditions after each op execution.
5786 * Keep this check simple, or it may slow down execution
5791 # ifndef PERL_ASYNC_CHECK
5792 # define PERL_ASYNC_CHECK() if (UNLIKELY(PL_sig_pending)) PL_signalhook(aTHX)
5796 #ifndef PERL_ASYNC_CHECK
5797 # define PERL_ASYNC_CHECK() NOOP
5801 * On some operating systems, a memory allocation may succeed,
5802 * but put the process too close to the system's comfort limit.
5803 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5806 #ifndef PERL_ALLOC_CHECK
5807 #define PERL_ALLOC_CHECK(p) NOOP
5811 # include <sys/ipc.h>
5812 # include <sys/sem.h>
5813 # ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5816 struct semid_ds *buf;
5817 unsigned short *array;
5820 # ifdef USE_SEMCTL_SEMUN
5821 # ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5822 union gccbug_semun {
5824 struct semid_ds *buf;
5825 unsigned short *array;
5828 # define semun gccbug_semun
5830 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5832 # ifdef USE_SEMCTL_SEMID_DS
5833 # ifdef EXTRA_F_IN_SEMUN_BUF
5834 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5836 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5843 * Boilerplate macros for initializing and accessing interpreter-local
5844 * data from C. All statics in extensions should be reworked to use
5845 * this, if you want to make the extension thread-safe. See
5846 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5847 * and perlxs.pod for more.
5849 * Code that uses these macros is responsible for the following:
5850 * 1. #define MY_CXT_KEY to a unique string, e.g.
5851 * "DynaLoader::_guts" XS_VERSION
5852 * XXX in the current implementation, this string is ignored.
5853 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5854 * all the data that needs to be interpreter-local.
5855 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5856 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5857 * (typically put in the BOOT: section).
5858 * 5. Use the members of the my_cxt_t structure everywhere as
5860 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5864 #if defined(PERL_IMPLICIT_CONTEXT)
5866 /* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
5867 * right after the definition (i.e. at file scope). The non-threads
5868 * case below uses it to declare the data as static. */
5869 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
5870 # define START_MY_CXT
5871 # define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5872 # define MY_CXT_INIT_ARG MY_CXT_KEY
5874 # define START_MY_CXT static int my_cxt_index = -1;
5875 # define MY_CXT_INDEX my_cxt_index
5876 # define MY_CXT_INIT_ARG &my_cxt_index
5877 # endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5879 /* Creates and zeroes the per-interpreter data.
5880 * (We allocate my_cxtp in a Perl SV so that it will be released when
5881 * the interpreter goes away.) */
5882 # define MY_CXT_INIT \
5883 my_cxt_t *my_cxtp = \
5884 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5885 PERL_UNUSED_VAR(my_cxtp)
5886 # define MY_CXT_INIT_INTERP(my_perl) \
5887 my_cxt_t *my_cxtp = \
5888 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5889 PERL_UNUSED_VAR(my_cxtp)
5891 /* This declaration should be used within all functions that use the
5892 * interpreter-local data. */
5894 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
5895 # define dMY_CXT_INTERP(my_perl) \
5896 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5898 /* Clones the per-interpreter data. */
5899 # define MY_CXT_CLONE \
5900 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5901 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5902 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5905 /* This macro must be used to access members of the my_cxt_t structure.
5906 * e.g. MY_CXT.some_data */
5907 # define MY_CXT (*my_cxtp)
5909 /* Judicious use of these macros can reduce the number of times dMY_CXT
5910 * is used. Use is similar to pTHX, aTHX etc. */
5911 # define pMY_CXT my_cxt_t *my_cxtp
5912 # define pMY_CXT_ pMY_CXT,
5913 # define _pMY_CXT ,pMY_CXT
5914 # define aMY_CXT my_cxtp
5915 # define aMY_CXT_ aMY_CXT,
5916 # define _aMY_CXT ,aMY_CXT
5918 #else /* PERL_IMPLICIT_CONTEXT */
5920 # define START_MY_CXT static my_cxt_t my_cxt;
5921 # define dMY_CXT_SV dNOOP
5922 # define dMY_CXT dNOOP
5923 # define dMY_CXT_INTERP(my_perl) dNOOP
5924 # define MY_CXT_INIT NOOP
5925 # define MY_CXT_CLONE NOOP
5926 # define MY_CXT my_cxt
5928 # define pMY_CXT void
5935 #endif /* !defined(PERL_IMPLICIT_CONTEXT) */
5946 # include <sys/file.h>
5949 #if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
5950 int flock(int fd, int op);
5954 /* Assume UNIX defaults */
5955 # define O_RDONLY 0000
5956 # define O_WRONLY 0001
5957 # define O_RDWR 0002
5958 # define O_CREAT 0100
5969 #if O_TEXT != O_BINARY
5970 /* If you have different O_TEXT and O_BINARY and you are a CRLF shop,
5971 * that is, you are somehow DOSish. */
5972 # if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
5973 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5974 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
5975 /* VOS has O_TEXT != O_BINARY, and they have effect,
5976 * but VOS always uses LF, never CRLF. */
5977 /* If you have O_TEXT different from your O_BINARY but you still are
5978 * not a CRLF shop. */
5979 # undef PERLIO_USING_CRLF
5981 /* If you really are DOSish. */
5982 # define PERLIO_USING_CRLF 1
5987 # include <libutil.h> /* setproctitle() in some FreeBSDs */
5990 #ifndef EXEC_ARGV_CAST
5991 #define EXEC_ARGV_CAST(x) (char **)x
5994 #define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5995 int). value returned in pointed-
5997 #define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5998 #define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5999 #define IS_NUMBER_NEG 0x08 /* leading minus sign */
6000 #define IS_NUMBER_INFINITY 0x10 /* this is big */
6001 #define IS_NUMBER_NAN 0x20 /* this is not */
6002 #define IS_NUMBER_TRAILING 0x40 /* number has trailing trash */
6004 #define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
6007 #define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
6008 #define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
6009 #define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
6010 #define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
6011 numbers which are <= UV_MAX */
6012 #define PERL_SCAN_TRAILING 0x10 /* grok_number_flags() allow trailing
6013 and set IS_NUMBER_TRAILING */
6016 #define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
6018 /* to let user control profiling */
6019 #ifdef PERL_GPROF_CONTROL
6020 extern void moncontrol(int);
6021 #define PERL_GPROF_MONCONTROL(x) moncontrol(x)
6023 #define PERL_GPROF_MONCONTROL(x)
6030 /* ISO 6429 NEL - C1 control NExt Line */
6031 /* See http://www.unicode.org/unicode/reports/tr13/ */
6032 #define NEXT_LINE_CHAR NEXT_LINE_NATIVE
6034 /* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
6035 #define UNICODE_LINE_SEPA_0 0xE2
6036 #define UNICODE_LINE_SEPA_1 0x80
6037 #define UNICODE_LINE_SEPA_2 0xA8
6038 #define UNICODE_PARA_SEPA_0 0xE2
6039 #define UNICODE_PARA_SEPA_1 0x80
6040 #define UNICODE_PARA_SEPA_2 0xA9
6042 #ifndef PIPESOCK_MODE
6043 # define PIPESOCK_MODE
6046 #ifndef SOCKET_OPEN_MODE
6047 # define SOCKET_OPEN_MODE PIPESOCK_MODE
6050 #ifndef PIPE_OPEN_MODE
6051 # define PIPE_OPEN_MODE PIPESOCK_MODE
6054 #define PERL_MAGIC_UTF8_CACHESIZE 2
6056 #define PERL_UNICODE_STDIN_FLAG 0x0001
6057 #define PERL_UNICODE_STDOUT_FLAG 0x0002
6058 #define PERL_UNICODE_STDERR_FLAG 0x0004
6059 #define PERL_UNICODE_IN_FLAG 0x0008
6060 #define PERL_UNICODE_OUT_FLAG 0x0010
6061 #define PERL_UNICODE_ARGV_FLAG 0x0020
6062 #define PERL_UNICODE_LOCALE_FLAG 0x0040
6063 #define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
6064 #define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
6066 #define PERL_UNICODE_STD_FLAG \
6067 (PERL_UNICODE_STDIN_FLAG | \
6068 PERL_UNICODE_STDOUT_FLAG | \
6069 PERL_UNICODE_STDERR_FLAG)
6071 #define PERL_UNICODE_INOUT_FLAG \
6072 (PERL_UNICODE_IN_FLAG | \
6073 PERL_UNICODE_OUT_FLAG)
6075 #define PERL_UNICODE_DEFAULT_FLAGS \
6076 (PERL_UNICODE_STD_FLAG | \
6077 PERL_UNICODE_INOUT_FLAG | \
6078 PERL_UNICODE_LOCALE_FLAG)
6080 #define PERL_UNICODE_ALL_FLAGS 0x01ff
6082 #define PERL_UNICODE_STDIN 'I'
6083 #define PERL_UNICODE_STDOUT 'O'
6084 #define PERL_UNICODE_STDERR 'E'
6085 #define PERL_UNICODE_STD 'S'
6086 #define PERL_UNICODE_IN 'i'
6087 #define PERL_UNICODE_OUT 'o'
6088 #define PERL_UNICODE_INOUT 'D'
6089 #define PERL_UNICODE_ARGV 'A'
6090 #define PERL_UNICODE_LOCALE 'L'
6091 #define PERL_UNICODE_WIDESYSCALLS 'W'
6092 #define PERL_UNICODE_UTF8CACHEASSERT 'a'
6094 #define PERL_SIGNALS_UNSAFE_FLAG 0x0001
6096 /* Use instead of abs() since abs() forces its argument to be an int,
6097 * but also beware since this evaluates its argument twice, so no x++. */
6098 #define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
6100 #if defined(__DECC) && defined(__osf__)
6101 #pragma message disable (mainparm) /* Perl uses the envp in main(). */
6104 #define do_open(g, n, l, a, rm, rp, sf) \
6105 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
6106 #ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
6107 # define do_exec(cmd) do_exec3(cmd,0,0)
6110 # define do_aexec Perl_do_aexec
6112 # define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
6115 /* check embedded \0 characters in pathnames passed to syscalls,
6116 but allow one ending \0 */
6117 #define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name)))
6119 #define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name))
6122 #define NO_ENV_ARRAY_IN_MAIN
6125 /* These are used by Perl_pv_escape() and Perl_pv_pretty()
6126 * are here so that they are available throughout the core
6127 * NOTE that even though some are for _escape and some for _pretty
6128 * there must not be any clashes as the flags from _pretty are
6129 * passed straight through to _escape.
6132 #define PERL_PV_ESCAPE_QUOTE 0x0001
6133 #define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
6135 #define PERL_PV_PRETTY_ELLIPSES 0x0002
6136 #define PERL_PV_PRETTY_LTGT 0x0004
6138 #define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
6140 #define PERL_PV_ESCAPE_UNI 0x0100
6141 #define PERL_PV_ESCAPE_UNI_DETECT 0x0200
6142 #define PERL_PV_ESCAPE_NONASCII 0x0400
6144 #define PERL_PV_ESCAPE_ALL 0x1000
6145 #define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
6146 #define PERL_PV_ESCAPE_NOCLEAR 0x4000
6147 #define PERL_PV_ESCAPE_RE 0x8000
6149 #define PERL_PV_ESCAPE_DWIM 0x10000
6151 #define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
6153 /* used by pv_display in dump.c*/
6154 #define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
6155 #define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
6159 (KEEP THIS LAST IN perl.h!)
6201 so that Configure picks them up.
6203 (KEEP THIS LAST IN perl.h!)
6207 #endif /* Include guard */
6211 * c-indentation-style: bsd
6213 * indent-tabs-mode: nil
6216 * ex: set ts=8 sts=4 sw=4 et: