3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
16 * This file is being used for x2p stuff.
17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
18 * Decouple x2p stuff from some of perls more extreme eccentricities.
23 #endif /* PERL_FOR_X2P */
31 /* this is used for functions which take a depth trailing
32 * argument under debugging */
34 #define _pDEPTH ,U32 depth
35 #define _aDEPTH ,depth
41 /* NOTE 1: that with gcc -std=c89 the __STDC_VERSION__ is *not* defined
42 * because the __STDC_VERSION__ became a thing only with C90. Therefore,
43 * with gcc, HAS_C99 will never become true as long as we use -std=c89.
45 * NOTE 2: headers lie. Do not expect that if HAS_C99 gets to be true,
46 * all the C99 features are there and are correct. */
47 #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
48 defined(_STDC_C99) || defined(__c99)
52 /* See L<perlguts/"The Perl API"> for detailed notes on
53 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
55 /* Note that from here --> to <-- the same logic is
56 * repeated in makedef.pl, so be certain to update
57 * both places when editing. */
60 # if !defined(MULTIPLICITY)
65 #ifdef PERL_GLOBAL_STRUCT_PRIVATE
66 # ifndef PERL_GLOBAL_STRUCT
67 # define PERL_GLOBAL_STRUCT
71 #ifdef PERL_GLOBAL_STRUCT
78 # ifndef PERL_IMPLICIT_CONTEXT
79 # define PERL_IMPLICIT_CONTEXT
83 /* undef WIN32 when building on Cygwin (for libwin32) - gph */
89 #if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
96 # include "symbian/symbian_proto.h"
99 /* Any stack-challenged places. The limit varies (and often
100 * is configurable), but using more than a kilobyte of stack
101 * is usually dubious in these systems. */
102 #if defined(__SYMBIAN32__)
103 /* Symbian: need to work around the SDK features. *
104 * On WINS: MS VC5 generates calls to _chkstk, *
105 * if a "large" stack frame is allocated. *
106 * gcc on MARM does not generate calls like these. */
107 # define USE_HEAP_INSTEAD_OF_STACK
110 /* Use the reentrant APIs like localtime_r and getpwent_r */
111 /* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
112 #if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32)
113 # define USE_REENTRANT_API
116 /* <--- here ends the logic shared by perl.h and makedef.pl */
118 /* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
119 #if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
123 #undef START_EXTERN_C
127 # define START_EXTERN_C extern "C" {
128 # define END_EXTERN_C }
129 # define EXTERN_C extern "C"
131 # define START_EXTERN_C
132 # define END_EXTERN_C
133 # define EXTERN_C extern
136 /* Fallback definitions in case we don't have definitions from config.h.
137 This should only matter for systems that don't use Configure and
138 haven't been modified to define PERL_STATIC_INLINE yet.
140 #if !defined(PERL_STATIC_INLINE)
141 # ifdef HAS_STATIC_INLINE
142 # define PERL_STATIC_INLINE static inline
144 # define PERL_STATIC_INLINE static
148 #if defined(PERL_GLOBAL_STRUCT) && !defined(PERL_GET_VARS)
149 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
150 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
151 # define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
153 # define PERL_GET_VARS() PL_VarsPtr
157 /* this used to be off by default, now its on, see perlio.h */
158 #define PERLIO_FUNCS_CONST
160 #define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
162 #ifdef PERL_GLOBAL_STRUCT
163 # define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
168 #ifdef PERL_IMPLICIT_CONTEXT
169 # ifndef MULTIPLICITY
170 # define MULTIPLICITY
172 # define tTHX PerlInterpreter*
173 # define pTHX tTHX my_perl PERL_UNUSED_DECL
174 # define aTHX my_perl
175 # define aTHXa(a) aTHX = (tTHX)a
176 # ifdef PERL_GLOBAL_STRUCT
177 # define dTHXa(a) dVAR; pTHX = (tTHX)a
179 # define dTHXa(a) pTHX = (tTHX)a
181 # ifdef PERL_GLOBAL_STRUCT
182 # define dTHX dVAR; pTHX = PERL_GET_THX
184 # define dTHX pTHX = PERL_GET_THX
198 # if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
199 # define PERL_TRACK_MEMPOOL
202 # undef PERL_TRACK_MEMPOOL
205 #define STATIC static
208 /* Do not use these macros. They were part of PERL_OBJECT, which was an
209 * implementation of multiplicity using C++ objects. They have been left
210 * here solely for the sake of XS code which has incorrectly
213 #define CPERLscope(x) x
214 #define CPERLarg void
217 #define PERL_OBJECT_THIS
218 #define _PERL_OBJECT_THIS
219 #define PERL_OBJECT_THIS_
220 #define CALL_FPTR(fptr) (*fptr)
221 #define MEMBER_TO_FPTR(name) name
222 #endif /* !PERL_CORE */
224 #define CALLRUNOPS PL_runops
226 #define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
228 #define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
229 #define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
230 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
231 (strbeg),(minend),(sv),(data),(flags))
232 #define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
233 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
234 (strend),(flags),(data))
235 #define CALLREG_INTUIT_STRING(prog) \
236 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
238 #define CALLREGFREE(prog) \
239 Perl_pregfree(aTHX_ (prog))
241 #define CALLREGFREE_PVT(prog) \
242 if(prog) RX_ENGINE(prog)->rxfree(aTHX_ (prog))
244 #define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
245 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
247 #define CALLREG_NUMBUF_STORE(rx,paren,value) \
248 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
250 #define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
251 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
253 #define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
254 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
256 #define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
257 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
259 #define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
260 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
262 #define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
263 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
265 #define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
266 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
268 #define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
269 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
271 #define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
272 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
274 #define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
275 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
277 #define CALLREG_NAMED_BUFF_COUNT(rx) \
278 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
280 #define CALLREG_NAMED_BUFF_ALL(rx, flags) \
281 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
283 #define CALLREG_PACKAGE(rx) \
284 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
286 #if defined(USE_ITHREADS)
287 #define CALLREGDUPE(prog,param) \
288 Perl_re_dup(aTHX_ (prog),(param))
290 #define CALLREGDUPE_PVT(prog,param) \
291 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
300 * Because of backward compatibility reasons the PERL_UNUSED_DECL
301 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
303 * Note that there are C compilers such as MetroWerks CodeWarrior
304 * which do not have an "inlined" way (like the gcc __attribute__) of
305 * marking unused variables (they need e.g. a #pragma) and therefore
306 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
307 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
311 #if defined(__SYMBIAN32__) && defined(__GNUC__)
313 # define PERL_UNUSED_DECL
315 # define PERL_UNUSED_DECL __attribute__((unused))
319 #ifndef PERL_UNUSED_DECL
320 # if defined(HASATTRIBUTE_UNUSED) && (!defined(__cplusplus) || (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))
321 # define PERL_UNUSED_DECL __attribute__unused__
323 # define PERL_UNUSED_DECL
328 * for silencing unused variables that are actually used most of the time,
329 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs,
330 * or variables/arguments that are used only in certain configurations.
332 #ifndef PERL_UNUSED_ARG
333 # define PERL_UNUSED_ARG(x) ((void)sizeof(x))
335 #ifndef PERL_UNUSED_VAR
336 # define PERL_UNUSED_VAR(x) ((void)sizeof(x))
339 #if defined(USE_ITHREADS) || defined(PERL_GLOBAL_STRUCT)
340 # define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
342 # define PERL_UNUSED_CONTEXT
345 /* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
346 * g++ allows them but seems to have problems with them
347 * (insane errors ensue).
348 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
350 #if defined(PERL_GCC_PEDANTIC) || \
351 (defined(__GNUC__) && defined(__cplusplus) && \
352 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
353 # ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
354 # define PERL_GCC_BRACE_GROUPS_FORBIDDEN
358 /* Use PERL_UNUSED_RESULT() to suppress the warnings about unused results
359 * of function calls, e.g. PERL_UNUSED_RESULT(foo(a, b)).
361 * The main reason for this is that the combination of gcc -Wunused-result
362 * (part of -Wall) and the __attribute__((warn_unused_result)) cannot
363 * be silenced with casting to void. This causes trouble when the system
364 * header files use the attribute.
366 * Use PERL_UNUSED_RESULT sparingly, though, since usually the warning
367 * is there for a good reason: you might lose success/failure information,
368 * or leak resources, or changes in resources.
370 * But sometimes you just want to ignore the return value, e.g. on
371 * codepaths soon ending up in abort, or in "best effort" attempts,
372 * or in situations where there is no good way to handle failures.
374 * Sometimes PERL_UNUSED_RESULT might not be the most natural way:
375 * another possibility is that you can capture the return value
376 * and use PERL_UNUSED_VAR on that.
378 * The __typeof__() is used instead of typeof() since typeof() is not
379 * available under strict C89, and because of compilers masquerading
380 * as gcc (clang and icc), we want exactly the gcc extension
381 * __typeof__ and nothing else.
383 #ifndef PERL_UNUSED_RESULT
384 # if defined(__GNUC__) && defined(HASATTRIBUTE_WARN_UNUSED_RESULT)
385 # define PERL_UNUSED_RESULT(v) STMT_START { __typeof__(v) z = (v); (void)sizeof(z); } STMT_END
387 # define PERL_UNUSED_RESULT(v) ((void)(v))
391 /* on gcc (and clang), specify that a warning should be temporarily
394 * GCC_DIAG_IGNORE(-Wmultichar);
398 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
400 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
401 * clang only pretends to be GCC 4.2, but still supports push/pop.
403 * Note on usage: on non-gcc (or lookalike, like clang) compilers
404 * one cannot use these with a semicolon at file (global) level without
405 * warnings since they are defined as empty, which leads into the terminating
406 * semicolon being left alone on a line:
408 * which makes compilers mildly cranky. Therefore at file level one
409 * should use the GCC_DIAG_IGNORE and GCC_DIAG_RESTORE macros *without*
412 * (A dead-on-arrival solution would be to try to define the macros as
413 * NOOP or dNOOP, those don't work both inside functions and outside.)
416 #if defined(__clang__) || defined(__clang) || \
417 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
418 # define GCC_DIAG_PRAGMA(x) _Pragma (#x)
419 /* clang has "clang diagnostic" pragmas, but also understands gcc. */
420 # define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
421 GCC_DIAG_PRAGMA(GCC diagnostic ignored #x)
422 # define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
424 # define GCC_DIAG_IGNORE(w)
425 # define GCC_DIAG_RESTORE
427 /* for clang specific pragmas */
428 #if defined(__clang__) || defined(__clang)
429 # define CLANG_DIAG_PRAGMA(x) _Pragma (#x)
430 # define CLANG_DIAG_IGNORE(x) _Pragma("clang diagnostic push") \
431 CLANG_DIAG_PRAGMA(clang diagnostic ignored #x)
432 # define CLANG_DIAG_RESTORE _Pragma("clang diagnostic pop")
434 # define CLANG_DIAG_IGNORE(w)
435 # define CLANG_DIAG_RESTORE
438 #define NOOP /*EMPTY*/(void)0
439 /* cea2e8a9dd23747f accidentally lost the comment originally from the first
440 check in of thread.h, explaining why we need dNOOP at all: */
441 /* Rats: if dTHR is just blank then the subsequent ";" throws an error */
442 /* Declaring a *function*, instead of a variable, ensures that we don't rely
443 on being able to suppress "unused" warnings. */
445 #define dNOOP (void)0
447 #define dNOOP extern int Perl___notused(void)
451 /* Don't bother defining tTHX ; using it outside
452 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
458 # define aTHXa(a) NOOP
459 # define dTHXa(a) dNOOP
477 /* these are only defined for compatibility; should not be used internally */
478 #if !defined(pTHXo) && !defined(PERL_CORE)
480 # define pTHXo_ pTHX_
482 # define aTHXo_ aTHX_
484 # define dTHXoa(x) dTHXa(x)
488 # define pTHXx PerlInterpreter *my_perl
489 # define pTHXx_ pTHXx,
490 # define aTHXx my_perl
491 # define aTHXx_ aTHXx,
495 /* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
496 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
497 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
498 #ifdef PERL_IMPLICIT_SYS
499 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
500 # define dTHXs dVAR; dTHX
505 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
512 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
513 # ifndef PERL_USE_GCC_BRACE_GROUPS
514 # define PERL_USE_GCC_BRACE_GROUPS
519 * STMT_START { statements; } STMT_END;
520 * can be used as a single statement, as in
521 * if (x) STMT_START { ... } STMT_END; else ...
523 * Trying to select a version that gives no warnings...
525 #if !(defined(STMT_START) && defined(STMT_END))
526 # ifdef PERL_USE_GCC_BRACE_GROUPS
527 # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
530 # define STMT_START do
531 # define STMT_END while (0)
535 #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
536 # define BYTEORDER 0x1234
539 /* Overall memory policy? */
544 #if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
551 * The following contortions are brought to you on behalf of all the
552 * standards, semi-standards, de facto standards, not-so-de-facto standards
553 * of the world, as well as all the other botches anyone ever thought of.
554 * The basic theory is that if we work hard enough here, the rest of the
555 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
558 /* define this once if either system, instead of cluttering up the src */
559 #if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
563 #if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
564 # define STANDARD_C 1
567 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
568 # define DONT_DECLARE_STD 1
571 /* These exist only for back-compat with XS modules. */
574 #define CAN_PROTOTYPE
577 /* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
578 * you get a perl without taint support, but doubtlessly with a lesser
579 * degree of support. Do not do so unless you know exactly what it means
580 * technically, have a good reason to do so, and know exactly how the
581 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
582 * a potential security risk due to flat out ignoring the security-relevant
583 * taint flags. This being said, a perl without taint support compiled in
584 * has marginal run-time performance benefits.
585 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
586 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
587 * silently ignores -t/-T instead of throwing an exception.
589 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
590 * voids your nonexistent warranty!
592 #if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
593 # define NO_TAINT_SUPPORT 1
596 /* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
597 * operations into no-ops for a very modest speed-up. Enable only if you
598 * know what you're doing: tests and CPAN modules' tests are bound to fail.
600 #ifdef NO_TAINT_SUPPORT
602 # define TAINT_NOT NOOP
603 # define TAINT_IF(c) NOOP
604 # define TAINT_ENV() NOOP
605 # define TAINT_PROPER(s) NOOP
606 # define TAINT_set(s) NOOP
608 # define TAINTING_get 0
609 # define TAINTING_set(s) NOOP
610 # define TAINT_WARN_get 0
611 # define TAINT_WARN_set(s) NOOP
613 # define TAINT (PL_tainted = PL_tainting)
614 # define TAINT_NOT (PL_tainted = FALSE)
615 # define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = PL_tainting; }
616 # define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
617 # define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
618 # define TAINT_set(s) (PL_tainted = (s))
619 # define TAINT_get (PL_tainted)
620 # define TAINTING_get (PL_tainting)
621 # define TAINTING_set(s) (PL_tainting = (s))
622 # define TAINT_WARN_get (PL_taint_warn)
623 # define TAINT_WARN_set(s) (PL_taint_warn = (s))
626 /* flags used internally only within pp_subst and pp_substcont */
628 # define SUBST_TAINT_STR 1 /* string tainted */
629 # define SUBST_TAINT_PAT 2 /* pattern tainted */
630 # define SUBST_TAINT_REPL 4 /* replacement tainted */
631 # define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
632 # define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
635 /* XXX All process group stuff is handled in pp_sys.c. Should these
636 defines move there? If so, I could simplify this a lot. --AD 9/96.
638 /* Process group stuff changed from traditional BSD to POSIX.
639 perlfunc.pod documents the traditional BSD-style syntax, so we'll
640 try to preserve that, if possible.
643 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
644 #elif defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
645 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
646 #elif defined(HAS_SETPGRP2)
647 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
649 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
650 # define HAS_SETPGRP /* Well, effectively it does . . . */
653 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
654 our life easier :-) so we'll try it.
657 # define BSD_GETPGRP(pid) getpgid((pid))
658 #elif defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
659 # define BSD_GETPGRP(pid) getpgrp((pid))
660 #elif defined(HAS_GETPGRP2)
661 # define BSD_GETPGRP(pid) getpgrp2((pid))
663 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
664 # define HAS_GETPGRP /* Well, effectively it does . . . */
667 /* These are not exact synonyms, since setpgrp() and getpgrp() may
668 have different behaviors, but perl.h used to define USE_BSDPGRP
669 (prior to 5.003_05) so some extension might depend on it.
671 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
677 /* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
678 pthread.h must be included before all other header files.
680 #if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
681 # include <pthread.h>
684 #include <sys/types.h>
686 /* EVC 4 SDK headers includes a bad definition of MB_CUR_MAX in stdlib.h
687 which is included from stdarg.h. Bad definition not present in SD 2008
688 SDK headers. wince.h is not yet included, so we cant fix this from there
689 since by then MB_CUR_MAX will be defined from stdlib.h.
690 cewchar.h includes a correct definition of MB_CUR_MAX and it is copied here
691 since cewchar.h can't be included this early */
692 #if defined(UNDER_CE) && (_MSC_VER < 1300)
693 # define MB_CUR_MAX 1
706 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
719 # include <xlocale.h>
722 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
724 # define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
726 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
727 && defined(HAS_STRXFRM)
728 # define USE_LOCALE_COLLATE
730 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
731 # define USE_LOCALE_CTYPE
733 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
734 # define USE_LOCALE_NUMERIC
736 # if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
737 # define USE_LOCALE_MESSAGES
739 # if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
740 # define USE_LOCALE_MONETARY
742 # if !defined(NO_LOCALE_TIME) && defined(LC_TIME)
743 # define USE_LOCALE_TIME
745 #endif /* !NO_LOCALE && HAS_SETLOCALE */
750 # ifdef PARAM_NEEDS_TYPES
751 # include <sys/types.h>
753 # include <sys/param.h>
756 /* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
757 value something like 199306. This may be useful if no more-specific
758 feature test is available.
766 /* Use all the "standard" definitions */
769 /* If this causes problems, set i_unistd=undef in the hint file. */
771 # if defined(__amigaos4__)
773 # include <netinet/in.h>
777 # if defined(__amigaos4__)
778 /* Under AmigaOS 4 newlib.library provides an environ. However using
779 * it doesn't give us enough control over inheritance of variables by
780 * subshells etc. so replace with custom version based on abc-shell
782 extern char **myenviron;
784 # define environ myenviron
790 # include <sys/wait.h>
794 # undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
797 #if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
798 EXTERN_C int syscall(int, ...);
801 #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
802 EXTERN_C int usleep(unsigned int);
807 /* macros for correct constant construction */
809 # define U16_CONST(x) ((U16)x##U)
811 # define U16_CONST(x) ((U16)x##UL)
815 # define U32_CONST(x) ((U32)x##U)
817 # define U32_CONST(x) ((U32)x##UL)
822 # define U64_CONST(x) ((U64)x##U)
824 # define U64_CONST(x) ((U64)x##UL)
825 # elif QUADKIND == QUAD_IS_LONG_LONG
826 # define U64_CONST(x) ((U64)x##ULL)
827 # elif QUADKIND == QUAD_IS___INT64
828 # define U64_CONST(x) ((U64)x##UI64)
829 # else /* best guess we can make */
830 # define U64_CONST(x) ((U64)x##UL)
834 /* byte-swapping functions for big-/little-endian conversion */
835 # define _swab_16_(x) ((U16)( \
836 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
837 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
839 # define _swab_32_(x) ((U32)( \
840 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
841 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
842 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
843 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
846 # define _swab_64_(x) ((U64)( \
847 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
848 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
849 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
850 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
851 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
852 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
853 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
854 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
857 /* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
858 at least on FreeBSD. YMMV, so experiment. */
859 #ifndef PERL_ARENA_SIZE
860 #define PERL_ARENA_SIZE 4080
863 /* Maximum level of recursion */
864 #ifndef PERL_SUB_DEPTH_WARN
865 #define PERL_SUB_DEPTH_WARN 100
868 #endif /* PERL_CORE */
870 /* We no longer default to creating a new SV for GvSV.
871 Do this before embed. */
872 #ifndef PERL_CREATE_GVSV
873 # ifndef PERL_DONT_CREATE_GVSV
874 # define PERL_DONT_CREATE_GVSV
878 #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
879 #define PERL_USES_PL_PIDSTATUS
882 #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
883 #define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
886 #define MEM_SIZE Size_t
888 /* Round all values passed to malloc up, by default to a multiple of
891 #ifndef PERL_STRLEN_ROUNDUP_QUANTUM
892 #define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
895 /* sv_grow() will expand strings by at least a certain percentage of
896 the previously *used* length to avoid excessive calls to realloc().
897 The default is 25% of the current length.
899 #ifndef PERL_STRLEN_EXPAND_SHIFT
900 # define PERL_STRLEN_EXPAND_SHIFT 2
904 #define STRUCT_OFFSET(s,m) offsetof(s,m)
906 /* ptrdiff_t is C11, so undef it under pedantic builds */
907 #ifdef PERL_GCC_PEDANTIC
908 # undef HAS_PTRDIFF_T
911 #ifndef __SYMBIAN32__
912 # if defined(I_STRING) || defined(__cplusplus)
915 # include <strings.h>
919 /* This comes after <stdlib.h> so we don't try to change the standard
920 * library prototypes; we'll use our own in proto.h instead. */
923 # ifdef PERL_POLLUTE_MALLOC
924 # ifndef PERL_EXTMALLOC_DEF
925 # define Perl_malloc malloc
926 # define Perl_calloc calloc
927 # define Perl_realloc realloc
928 # define Perl_mfree free
931 # define EMBEDMYMALLOC /* for compatibility */
934 # define safemalloc Perl_malloc
935 # define safecalloc Perl_calloc
936 # define saferealloc Perl_realloc
937 # define safefree Perl_mfree
938 # define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
939 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
942 # define CHECK_MALLOC_TOO_LATE_FOR(ch) \
943 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
944 # define panic_write2(s) write(2, s, strlen(s))
945 # define CHECK_MALLOC_TAINT(newval) \
946 CHECK_MALLOC_TOO_LATE_FOR_( \
948 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
950 # define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
951 if (doing_taint(argc,argv,env)) { \
952 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
955 # define safemalloc safesysmalloc
956 # define safecalloc safesyscalloc
957 # define saferealloc safesysrealloc
958 # define safefree safesysfree
959 # define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
960 # define CHECK_MALLOC_TAINT(newval) ((void)0)
961 # define MALLOC_CHECK_TAINT(argc,argv,env)
962 #endif /* MYMALLOC */
964 /* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
965 #define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
966 #define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
967 #define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
968 #define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
975 # define memzero(d,l) memset(d,0,l)
979 # include <netinet/in.h>
983 # include <arpa/inet.h>
987 # include <sys/stat.h>
990 /* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
991 This definition should ideally go into win32/win32.h, but S_IFIFO is
992 used later here in perl.h before win32/win32.h is being included. */
993 #if !defined(S_IFIFO) && defined(_S_IFIFO)
994 # define S_IFIFO _S_IFIFO
997 /* The stat macros for Unisoft System V/88 (and derivatives
998 like UTekV) are broken, sometimes giving false positives. Undefine
999 them here and let the code below set them to proper values.
1001 The ghs macro stands for GreenHills Software C-1.8.5 which
1002 is the C compiler for sysV88 and the various derivatives.
1003 This header file bug is corrected in gcc-2.5.8 and later versions.
1004 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1006 #if defined(m88k) && defined(ghs)
1018 # ifdef I_SYS_TIME_KERNEL
1021 # include <sys/time.h>
1022 # ifdef I_SYS_TIME_KERNEL
1027 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
1028 # include <sys/times.h>
1031 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
1032 # undef HAS_STRERROR
1037 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
1038 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1041 #if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1042 # include <sys/socket.h>
1043 # if defined(USE_SOCKS) && defined(I_SOCKS)
1044 # if !defined(INCLUDE_PROTOTYPES)
1045 # define INCLUDE_PROTOTYPES /* for <socks.h> */
1046 # define PERL_SOCKS_NEED_PROTOTYPES
1049 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1050 # undef INCLUDE_PROTOTYPES
1051 # undef PERL_SOCKS_NEED_PROTOTYPES
1062 # include <net/errno.h>
1067 /* sockatmark() is so new (2001) that many places might have it hidden
1068 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1069 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
1070 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
1071 # if defined(__THROW) && defined(__GLIBC__)
1072 int sockatmark(int) __THROW;
1074 int sockatmark(int);
1078 #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. */
1079 EXTERN_C int fchdir(int);
1080 EXTERN_C int flock(int, int);
1081 EXTERN_C int fseeko(FILE *, off_t, int);
1082 EXTERN_C off_t ftello(FILE *);
1085 #if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1086 EXTERN_C char *crypt(const char *, const char *);
1087 EXTERN_C char **environ;
1090 #if defined(__cplusplus)
1091 # if defined(BSDish)
1092 EXTERN_C char **environ;
1093 # elif defined(__CYGWIN__)
1094 EXTERN_C char *crypt(const char *, const char *);
1099 # undef SETERRNO /* SOCKS might have defined this */
1103 # define SETERRNO(errcode,vmserrcode) \
1105 set_errno(errcode); \
1106 set_vaxc_errno(vmserrcode); \
1108 # define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1109 # define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1110 # define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1111 # define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1113 # define LIB_INVARG LIB$_INVARG
1114 # define RMS_DIR RMS$_DIR
1115 # define RMS_FAC RMS$_FAC
1116 # define RMS_FEX RMS$_FEX
1117 # define RMS_FNF RMS$_FNF
1118 # define RMS_IFI RMS$_IFI
1119 # define RMS_ISI RMS$_ISI
1120 # define RMS_PRV RMS$_PRV
1121 # define SS_ACCVIO SS$_ACCVIO
1122 # define SS_DEVOFFLINE SS$_DEVOFFLINE
1123 # define SS_IVCHAN SS$_IVCHAN
1124 # define SS_NORMAL SS$_NORMAL
1125 # define SS_NOPRIV SS$_NOPRIV
1126 # define SS_BUFFEROVF SS$_BUFFEROVF
1128 # define LIB_INVARG 0
1136 # define SS_ACCVIO 0
1137 # define SS_DEVOFFLINE 0
1138 # define SS_IVCHAN 0
1139 # define SS_NORMAL 0
1140 # define SS_NOPRIV 0
1141 # define SS_BUFFEROVF 0
1145 # define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1146 # define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1147 # define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1148 # define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1152 # define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1153 # define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1154 # define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1155 # define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1159 # define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1163 # define dSAVEDERRNO int saved_errno
1164 # define dSAVE_ERRNO int saved_errno = errno
1165 # define SAVE_ERRNO (saved_errno = errno)
1166 # define RESTORE_ERRNO (errno = saved_errno)
1169 #define ERRSV GvSVn(PL_errgv)
1171 /* contains inlined gv_add_by_type */
1172 #define CLEAR_ERRSV() STMT_START { \
1173 SV ** const svp = &GvSV(PL_errgv); \
1175 *svp = newSVpvs(""); \
1176 } else if (SvREADONLY(*svp)) { \
1177 SvREFCNT_dec_NN(*svp); \
1178 *svp = newSVpvs(""); \
1180 SV *const errsv = *svp; \
1182 SvPOK_only(errsv); \
1183 if (SvMAGICAL(errsv)) { \
1191 # define DEFSV (0 + GvSVn(PL_defgv))
1192 # define DEFSV_set(sv) \
1193 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1194 # define SAVE_DEFSV \
1196 save_gp(PL_defgv, 0), \
1197 GvINTRO_off(PL_defgv), \
1198 SAVEGENERICSV(GvSV(PL_defgv)), \
1199 GvSV(PL_defgv) = NULL \
1202 # define DEFSV GvSVn(PL_defgv)
1203 # define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1204 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
1208 extern int errno; /* ANSI allows errno to be an lvalue expr.
1209 * For example in multithreaded environments
1210 * something like this might happen:
1211 * extern int *_errno(void);
1212 * #define errno (*_errno()) */
1215 #define UNKNOWN_ERRNO_MSG "(unknown)"
1218 # ifndef DONT_DECLARE_STD
1220 char *strerror (int,...);
1222 char *strerror (int);
1226 # define Strerror strerror
1228 #elif defined(HAS_SYS_ERRLIST)
1229 extern int sys_nerr;
1230 extern char *sys_errlist[];
1232 # define Strerror(e) \
1233 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
1239 # include <sys/ioctl.h>
1243 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
1244 # ifdef HAS_SOCKETPAIR
1245 # undef HAS_SOCKETPAIR
1252 #ifndef HAS_SOCKETPAIR
1254 # define socketpair Perl_my_socketpair
1259 # define htoni htons
1260 # define ntohi ntohs
1262 # define htoni htonl
1263 # define ntohi ntohl
1266 /* Configure already sets Direntry_t */
1267 #if defined(I_DIRENT)
1268 # include <dirent.h>
1269 #elif defined(I_SYS_NDIR)
1270 # include <sys/ndir.h>
1271 #elif defined(I_SYS_DIR)
1272 # include <sys/dir.h>
1276 * The following gobbledygook brought to you on behalf of __STDC__.
1277 * (I could just use #ifndef __STDC__, but this is more bulletproof
1278 * in the face of half-implementations.)
1281 #if defined(I_SYSMODE)
1282 #include <sys/mode.h>
1287 # define S_IFMT _S_IFMT
1289 # define S_IFMT 0170000
1294 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1298 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1303 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1305 # define S_ISBLK(m) (0)
1310 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1315 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1317 # define S_ISFIFO(m) (0)
1323 # define S_ISLNK(m) _S_ISLNK(m)
1324 # elif defined(_S_IFLNK)
1325 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1326 # elif defined(S_IFLNK)
1327 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1329 # define S_ISLNK(m) (0)
1335 # define S_ISSOCK(m) _S_ISSOCK(m)
1336 # elif defined(_S_IFSOCK)
1337 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1338 # elif defined(S_IFSOCK)
1339 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1341 # define S_ISSOCK(m) (0)
1347 # define S_IRUSR S_IREAD
1348 # define S_IWUSR S_IWRITE
1349 # define S_IXUSR S_IEXEC
1351 # define S_IRUSR 0400
1352 # define S_IWUSR 0200
1353 # define S_IXUSR 0100
1359 # define S_IRGRP (S_IRUSR>>3)
1360 # define S_IWGRP (S_IWUSR>>3)
1361 # define S_IXGRP (S_IXUSR>>3)
1363 # define S_IRGRP 0040
1364 # define S_IWGRP 0020
1365 # define S_IXGRP 0010
1371 # define S_IROTH (S_IRUSR>>6)
1372 # define S_IWOTH (S_IWUSR>>6)
1373 # define S_IXOTH (S_IXUSR>>6)
1375 # define S_IROTH 0040
1376 # define S_IWOTH 0020
1377 # define S_IXOTH 0010
1382 # define S_ISUID 04000
1386 # define S_ISGID 02000
1390 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
1394 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
1398 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
1401 /* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1402 * which would get included through <sys/file.h >, but that is 3000
1403 * lines in the future. --jhi */
1405 #if !defined(S_IREAD) && !defined(__HAIKU__)
1406 # define S_IREAD S_IRUSR
1409 #if !defined(S_IWRITE) && !defined(__HAIKU__)
1410 # define S_IWRITE S_IWUSR
1414 # define S_IEXEC S_IXUSR
1417 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
1418 # define SLOPPYDIVIDE
1425 /* This used to be conditionally defined based on whether we had a sprintf()
1426 * that correctly returns the string length (as required by C89), but we no
1427 * longer need that. XS modules can (and do) use this name, so it must remain
1428 * a part of the API that's visible to modules. But we no longer document it
1429 * either (because using sprintf() rather than snprintf() is almost always
1431 #define my_sprintf sprintf
1434 * If we have v?snprintf() and the C99 variadic macros, we can just
1435 * use just the v?snprintf(). It is nice to try to trap the buffer
1436 * overflow, however, so if we are DEBUGGING, and we cannot use the
1437 * gcc statement expressions, then use the function wrappers which try
1438 * to trap the overflow. If we can use the gcc statement expressions,
1439 * we can try that even with the version that uses the C99 variadic
1443 /* Note that we do not check against snprintf()/vsnprintf() returning
1444 * negative values because that is non-standard behaviour and we now
1445 * assume a working C89 implementation. */
1447 #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
1450 # define my_snprintf Perl_my_snprintf
1451 # define PERL_MY_SNPRINTF_GUARDED
1452 #elif defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1453 # ifdef PERL_USE_GCC_BRACE_GROUPS
1454 # define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1455 # define PERL_MY_SNPRINTF_GUARDED
1457 # define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
1460 # define my_snprintf Perl_my_snprintf
1461 # define PERL_MY_SNPRINTF_GUARDED
1464 /* There is no quadmath_vsnprintf, and therefore my_vsnprintf()
1465 * dies if called under USE_QUADMATH. */
1466 #if defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1467 # ifdef PERL_USE_GCC_BRACE_GROUPS
1468 # define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1469 # define PERL_MY_VSNPRINTF_GUARDED
1471 # define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
1474 # define my_vsnprintf Perl_my_vsnprintf
1475 # define PERL_MY_VSNPRINTF_GUARDED
1478 /* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1479 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1480 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1481 * completely ignore it: otherwise you cannot know whether your output
1484 * int len = my_sprintf(buf, max, ...);
1485 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1487 * The trick is that in certain platforms [a] the my_sprintf() already
1488 * contains the sanity check, while in certain platforms [b] it needs
1489 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1490 * platforms the POST_GUARD actually does nothing since the check has
1491 * already been done. Watch out for the max being the same in both calls.
1493 * If you actually use the snprintf/vsnprintf return value already,
1494 * you assumedly are checking its validity somehow. But you can
1495 * insert the POST_GUARD() also in that case. */
1497 #ifndef PERL_MY_SNPRINTF_GUARDED
1498 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1500 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1503 #ifndef PERL_MY_VSNPRINTF_GUARDED
1504 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1506 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1510 # define my_strlcat strlcat
1512 # define my_strlcat Perl_my_strlcat
1516 # define my_strlcpy strlcpy
1518 # define my_strlcpy Perl_my_strlcpy
1522 The IV type is supposed to be long enough to hold any integral
1524 --Andy Dougherty August 1996
1530 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
1531 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
1532 # define IV_MAX INT64_MAX
1533 # define IV_MIN INT64_MIN
1534 # define UV_MAX UINT64_MAX
1536 # define UINT64_MIN 0
1538 # define UV_MIN UINT64_MIN
1540 # define IV_MAX PERL_QUAD_MAX
1541 # define IV_MIN PERL_QUAD_MIN
1542 # define UV_MAX PERL_UQUAD_MAX
1543 # define UV_MIN PERL_UQUAD_MIN
1548 # if defined(INT32_MAX) && IVSIZE == 4
1549 # define IV_MAX INT32_MAX
1550 # define IV_MIN INT32_MIN
1551 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1552 # define UV_MAX UINT32_MAX
1554 # define UV_MAX 4294967295U
1557 # define UINT32_MIN 0
1559 # define UV_MIN UINT32_MIN
1561 # define IV_MAX PERL_LONG_MAX
1562 # define IV_MIN PERL_LONG_MIN
1563 # define UV_MAX PERL_ULONG_MAX
1564 # define UV_MIN PERL_ULONG_MIN
1575 #if !defined(PERL_CORE) || defined(USING_MSVC6)
1576 /* We think that removing this decade-old undef this will cause too much
1577 breakage on CPAN for too little gain. (See RT #119753)
1578 However, we do need HAS_QUAD in the core for use by the drand48 code,
1579 but not for Win32 VC6 because it has poor __int64 support. */
1585 #define Size_t_MAX (~(Size_t)0)
1586 #define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1)
1588 #define IV_DIG (BIT_DIGITS(IVSIZE * 8))
1589 #define UV_DIG (BIT_DIGITS(UVSIZE * 8))
1591 #ifndef NO_PERL_PRESERVE_IVUV
1592 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
1596 * The macros INT2PTR and NUM2PTR are (despite their names)
1597 * bi-directional: they will convert int/float to or from pointers.
1598 * However the conversion to int/float are named explicitly:
1599 * PTR2IV, PTR2UV, PTR2NV.
1601 * For int conversions we do not need two casts if pointers are
1602 * the same size as IV and UV. Otherwise we need an explicit
1603 * cast (PTRV) to avoid compiler warnings.
1605 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1607 # define INT2PTR(any,d) (any)(d)
1608 #elif PTRSIZE == LONGSIZE
1609 # define PTRV unsigned long
1610 # define PTR2ul(p) (unsigned long)(p)
1612 # define PTRV unsigned
1616 # define INT2PTR(any,d) (any)(PTRV)(d)
1620 # define PTR2ul(p) INT2PTR(unsigned long,p)
1623 #define NUM2PTR(any,d) (any)(PTRV)(d)
1624 #define PTR2IV(p) INT2PTR(IV,p)
1625 #define PTR2UV(p) INT2PTR(UV,p)
1626 #define PTR2NV(p) NUM2PTR(NV,p)
1627 #define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
1629 /* According to strict ANSI C89 one cannot freely cast between
1630 * data pointers and function (code) pointers. There are at least
1631 * two ways around this. One (used below) is to do two casts,
1632 * first the other pointer to an (unsigned) integer, and then
1633 * the integer to the other pointer. The other way would be
1634 * to use unions to "overlay" the pointers. For an example of
1635 * the latter technique, see union dirpu in struct xpvio in sv.h.
1636 * The only feasible use is probably temporarily storing
1637 * function pointers in a data pointer (such as a void pointer). */
1639 #define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1640 #define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
1642 #ifdef USE_LONG_DOUBLE
1643 # if LONG_DOUBLESIZE == DOUBLESIZE
1644 # define LONG_DOUBLE_EQUALS_DOUBLE
1645 # undef USE_LONG_DOUBLE /* Ouch! */
1649 /* The following is all to get LDBL_DIG, in order to pick a nice
1650 default value for printing floating point numbers in Gconvert.
1653 #ifndef HAS_LDBL_DIG
1654 # if LONG_DOUBLESIZE == 10
1655 # define LDBL_DIG 18 /* assume IEEE */
1656 # elif LONG_DOUBLESIZE == 12
1657 # define LDBL_DIG 18 /* gcc? */
1658 # elif LONG_DOUBLESIZE == 16
1659 # define LDBL_DIG 33 /* assume IEEE */
1660 # elif LONG_DOUBLESIZE == DOUBLESIZE
1661 # define LDBL_DIG DBL_DIG /* bummer */
1668 # include <ieeefp.h>
1672 /* VC6 has broken NaN semantics: NaN == NaN returns true instead of false,
1673 * and for example NaN < IV_MIN. */
1674 # define NAN_COMPARE_BROKEN
1676 #if defined(__DECC) && defined(__osf__)
1677 /* Also Tru64 cc has broken NaN comparisons. */
1678 # define NAN_COMPARE_BROKEN
1681 # define NAN_COMPARE_BROKEN
1684 #ifdef USE_LONG_DOUBLE
1686 # include <sunmath.h>
1688 # if defined(LDBL_DIG)
1689 # define NV_DIG LDBL_DIG
1690 # ifdef LDBL_MANT_DIG
1691 # define NV_MANT_DIG LDBL_MANT_DIG
1694 # define NV_MIN LDBL_MIN
1697 # define NV_MAX LDBL_MAX
1699 # ifdef LDBL_MIN_EXP
1700 # define NV_MIN_EXP LDBL_MIN_EXP
1702 # ifdef LDBL_MAX_EXP
1703 # define NV_MAX_EXP LDBL_MAX_EXP
1705 # ifdef LDBL_MIN_10_EXP
1706 # define NV_MIN_10_EXP LDBL_MIN_10_EXP
1708 # ifdef LDBL_MAX_10_EXP
1709 # define NV_MAX_10_EXP LDBL_MAX_10_EXP
1711 # ifdef LDBL_EPSILON
1712 # define NV_EPSILON LDBL_EPSILON
1715 # define NV_MAX LDBL_MAX
1716 /* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
1717 # elif defined(HUGE_VALL)
1718 # define NV_MAX HUGE_VALL
1721 # if defined(HAS_SQRTL)
1722 # define Perl_acos acosl
1723 # define Perl_asin asinl
1724 # define Perl_atan atanl
1725 # define Perl_atan2 atan2l
1726 # define Perl_ceil ceill
1727 # define Perl_cos cosl
1728 # define Perl_cosh coshl
1729 # define Perl_exp expl
1730 /* no Perl_fabs, but there's PERL_ABS */
1731 # define Perl_floor floorl
1732 # define Perl_fmod fmodl
1733 # define Perl_log logl
1734 # define Perl_log10 log10l
1735 # define Perl_pow powl
1736 # define Perl_sin sinl
1737 # define Perl_sinh sinhl
1738 # define Perl_sqrt sqrtl
1739 # define Perl_tan tanl
1740 # define Perl_tanh tanhl
1742 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1745 # define Perl_modf(x,y) modfl(x,y)
1746 /* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1747 prototype in <math.h> */
1748 # ifndef HAS_MODFL_PROTO
1749 EXTERN_C long double modfl(long double, long double *);
1751 # elif (defined(HAS_TRUNCL) || defined(HAS_AINTL)) && defined(HAS_COPYSIGNL)
1752 extern long double Perl_my_modfl(long double x, long double *ip);
1753 # define Perl_modf(x,y) Perl_my_modfl(x,y)
1758 # define Perl_frexp(x,y) frexpl(x,y)
1759 # elif defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1760 extern long double Perl_my_frexpl(long double x, int *e);
1761 # define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1766 # define Perl_ldexp(x, y) ldexpl(x,y)
1767 # elif defined(HAS_SCALBNL) && FLT_RADIX == 2
1768 # define Perl_ldexp(x,y) scalbnl(x,y)
1772 # if defined(HAS_ISNANL) && !(defined(isnan) && defined(HAS_C99))
1773 # define Perl_isnan(x) isnanl(x)
1774 # elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */
1775 # define Perl_isnan(x) isnan(x)
1779 # if defined(HAS_ISINFL) && !(defined(isinf) && defined(HAS_C99))
1780 # define Perl_isinf(x) isinfl(x)
1781 # elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */
1782 # define Perl_isinf(x) isinf(x)
1783 # elif defined(LDBL_MAX) && !defined(NAN_COMPARE_BROKEN)
1784 # define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX)
1787 # ifndef Perl_isfinite
1788 # define Perl_isfinite(x) Perl_isfinitel(x)
1790 #elif defined(USE_QUADMATH) && defined(I_QUADMATH)
1791 # include <quadmath.h>
1792 # define NV_DIG FLT128_DIG
1793 # define NV_MANT_DIG FLT128_MANT_DIG
1794 # define NV_MIN FLT128_MIN
1795 # define NV_MAX FLT128_MAX
1796 # define NV_MIN_EXP FLT128_MIN_EXP
1797 # define NV_MAX_EXP FLT128_MAX_EXP
1798 # define NV_EPSILON FLT128_EPSILON
1799 # define NV_MIN_10_EXP FLT128_MIN_10_EXP
1800 # define NV_MAX_10_EXP FLT128_MAX_10_EXP
1801 # define Perl_acos acosq
1802 # define Perl_asin asinq
1803 # define Perl_atan atanq
1804 # define Perl_atan2 atan2q
1805 # define Perl_ceil ceilq
1806 # define Perl_cos cosq
1807 # define Perl_cosh coshq
1808 # define Perl_exp expq
1809 /* no Perl_fabs, but there's PERL_ABS */
1810 # define Perl_floor floorq
1811 # define Perl_fmod fmodq
1812 # define Perl_log logq
1813 # define Perl_log10 log10q
1814 # define Perl_pow powq
1815 # define Perl_sin sinq
1816 # define Perl_sinh sinhq
1817 # define Perl_sqrt sqrtq
1818 # define Perl_tan tanq
1819 # define Perl_tanh tanhq
1820 # define Perl_modf(x,y) modfq(x,y)
1821 # define Perl_frexp(x,y) frexpq(x,y)
1822 # define Perl_ldexp(x, y) ldexpq(x,y)
1823 # define Perl_isinf(x) isinfq(x)
1824 # define Perl_isnan(x) isnanq(x)
1825 # define Perl_isfinite(x) !(isnanq(x) || isinfq(x))
1826 # define Perl_fp_class(x) ((x) == 0.0Q ? 0 : isinfq(x) ? 3 : isnanq(x) ? 4 : PERL_ABS(x) < FLT128_MIN ? 2 : 1)
1827 # define Perl_fp_class_inf(x) (Perl_fp_class(x) == 3)
1828 # define Perl_fp_class_nan(x) (Perl_fp_class(x) == 4)
1829 # define Perl_fp_class_norm(x) (Perl_fp_class(x) == 1)
1830 # define Perl_fp_class_denorm(x) (Perl_fp_class(x) == 2)
1831 # define Perl_fp_class_zero(x) (Perl_fp_class(x) == 0)
1833 # define NV_DIG DBL_DIG
1834 # define NV_MANT_DIG DBL_MANT_DIG
1835 # define NV_MIN DBL_MIN
1836 # define NV_MAX DBL_MAX
1837 # define NV_MIN_EXP DBL_MIN_EXP
1838 # define NV_MAX_EXP DBL_MAX_EXP
1839 # define NV_MIN_10_EXP DBL_MIN_10_EXP
1840 # define NV_MAX_10_EXP DBL_MAX_10_EXP
1841 # define NV_EPSILON DBL_EPSILON
1842 # define NV_MAX DBL_MAX
1843 # define NV_MIN DBL_MIN
1845 /* These math interfaces are C89. */
1846 # define Perl_acos acos
1847 # define Perl_asin asin
1848 # define Perl_atan atan
1849 # define Perl_atan2 atan2
1850 # define Perl_ceil ceil
1851 # define Perl_cos cos
1852 # define Perl_cosh cosh
1853 # define Perl_exp exp
1854 /* no Perl_fabs, but there's PERL_ABS */
1855 # define Perl_floor floor
1856 # define Perl_fmod fmod
1857 # define Perl_log log
1858 # define Perl_log10 log10
1859 # define Perl_pow pow
1860 # define Perl_sin sin
1861 # define Perl_sinh sinh
1862 # define Perl_sqrt sqrt
1863 # define Perl_tan tan
1864 # define Perl_tanh tanh
1866 # define Perl_modf(x,y) modf(x,y)
1867 # define Perl_frexp(x,y) frexp(x,y)
1868 # define Perl_ldexp(x,y) ldexp(x,y)
1872 # define Perl_isnan(x) isnan(x)
1876 # if defined(HAS_ISINF)
1877 # define Perl_isinf(x) isinf(x)
1878 # elif defined(DBL_MAX) && !defined(NAN_COMPARE_BROKEN)
1879 # define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX)
1882 # ifndef Perl_isfinite
1883 # ifdef HAS_ISFINITE
1884 # define Perl_isfinite(x) isfinite(x)
1885 # elif defined(HAS_FINITE)
1886 # define Perl_isfinite(x) finite(x)
1891 /* fpclassify(): C99. It is supposed to be a macro that switches on
1892 * the sizeof() of its argument, so there's no need for e.g. fpclassifyl().*/
1893 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1895 # if defined(FP_INFINITE) && defined(FP_NAN)
1896 # define Perl_fp_class(x) fpclassify(x)
1897 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
1898 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
1899 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
1900 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
1901 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
1902 # elif defined(FP_PLUS_INF) && defined(FP_QNAN)
1903 /* Some versions of HP-UX (10.20) have (only) fpclassify() but which is
1904 * actually not the C99 fpclassify, with its own set of return defines. */
1905 # define Perl_fp_class(x) fpclassify(x)
1906 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1907 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1908 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
1909 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
1910 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1911 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1912 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1913 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1914 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1915 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1917 # undef Perl_fp_class /* Unknown set of defines */
1921 /* fp_classify(): Legacy: VMS, maybe Unicos? The values, however,
1922 * are identical to the C99 fpclassify(). */
1923 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASSIFY)
1926 /* FP_INFINITE and others are here rather than in math.h as C99 stipulates */
1928 /* oh, and the isnormal macro has a typo in it! */
1930 # define isnormal(x) Perl_fp_class_norm(x)
1932 # if defined(FP_INFINITE) && defined(FP_NAN)
1933 # define Perl_fp_class(x) fp_classify(x)
1934 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
1935 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
1936 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
1937 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
1938 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
1940 # undef Perl_fp_class /* Unknown set of defines */
1944 /* Feel free to check with me for the SGI manpages, SGI testing,
1945 * etcetera, if you want to try getting this to work with IRIX.
1947 * - Allen <allens@cpan.org> */
1949 /* fpclass(): SysV, at least Solaris and some versions of IRIX. */
1950 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1951 /* Solaris and IRIX have fpclass/fpclassl, but they are using
1952 * an enum typedef, not cpp symbols, and Configure doesn't detect that.
1953 * Define some symbols also as cpp symbols so we can detect them. */
1954 # if defined(__sun) || defined(__sgi) /* XXX Configure test instead */
1955 # define FP_PINF FP_PINF
1956 # define FP_QNAN FP_QNAN
1960 # include <ieeefp.h>
1965 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1966 # define Perl_fp_class(x) fpclassl(x)
1968 # define Perl_fp_class(x) fpclass(x)
1970 # if defined(FP_CLASS_PINF) && defined(FP_CLASS_SNAN)
1971 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1972 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1973 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1974 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1975 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1976 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1977 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1978 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1979 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1980 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1981 # elif defined(FP_PINF) && defined(FP_QNAN)
1982 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
1983 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
1984 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NINF)
1985 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PINF)
1986 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NNORM)
1987 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PNORM)
1988 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NDENORM)
1989 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PDENORM)
1990 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NZERO)
1991 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PZERO)
1993 # undef Perl_fp_class /* Unknown set of defines */
1997 /* fp_class(): Legacy: at least Tru64, some versions of IRIX. */
1998 #if !defined(Perl_fp_class) && (defined(HAS_FP_CLASS)||defined(HAS_FP_CLASSL))
2000 # if !defined(FP_SNAN) && defined(I_FP_CLASS)
2001 # include <fp_class.h>
2003 # if defined(FP_POS_INF) && defined(FP_QNAN)
2004 # ifdef __sgi /* XXX Configure test instead */
2005 # ifdef USE_LONG_DOUBLE
2006 # define Perl_fp_class(x) fp_class_l(x)
2008 # define Perl_fp_class(x) fp_class_d(x)
2011 # if defined(USE_LONG_DOUBLE) && defined(HAS_FP_CLASSL)
2012 # define Perl_fp_class(x) fp_classl(x)
2014 # define Perl_fp_class(x) fp_class(x)
2017 # if defined(FP_POS_INF) && defined(FP_QNAN)
2018 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2019 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2020 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NEG_INF)
2021 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_POS_INF)
2022 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NEG_NORM)
2023 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_POS_NORM)
2024 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NEG_DENORM)
2025 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_POS_DENORM)
2026 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NEG_ZERO)
2027 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_POS_ZERO)
2029 # undef Perl_fp_class /* Unknown set of defines */
2034 /* class(), _class(): Legacy: AIX. */
2035 #if !defined(Perl_fp_class) && defined(HAS_CLASS)
2037 # if defined(FP_PLUS_NORM) && defined(FP_PLUS_INF)
2039 # define Perl_fp_class(x) class(x)
2041 # define Perl_fp_class(x) _class(x)
2043 # if defined(FP_PLUS_INF) && defined(FP_NANQ)
2044 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2045 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2046 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2047 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2048 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2049 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2050 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2051 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2052 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2053 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2055 # undef Perl_fp_class /* Unknown set of defines */
2060 /* Win32: _fpclass(), _isnan(), _finite(). */
2063 # define Perl_isnan(x) _isnan(x)
2065 # ifndef Perl_isfinite
2066 # define Perl_isfinite(x) _finite(x)
2068 # ifndef Perl_fp_class_snan
2069 /* No simple way to #define Perl_fp_class because _fpclass()
2070 * returns a set of bits. */
2071 # define Perl_fp_class_snan(x) (_fpclass(x) & _FPCLASS_SNAN)
2072 # define Perl_fp_class_qnan(x) (_fpclass(x) & _FPCLASS_QNAN)
2073 # define Perl_fp_class_nan(x) (_fpclass(x) & (_FPCLASS_SNAN|_FPCLASS_QNAN))
2074 # define Perl_fp_class_ninf(x) (_fpclass(x) & _FPCLASS_NINF))
2075 # define Perl_fp_class_pinf(x) (_fpclass(x) & _FPCLASS_PINF))
2076 # define Perl_fp_class_inf(x) (_fpclass(x) & (_FPCLASS_NINF|_FPCLASS_PINF))
2077 # define Perl_fp_class_nnorm(x) (_fpclass(x) & _FPCLASS_NN)
2078 # define Perl_fp_class_pnorm(x) (_fpclass(x) & _FPCLASS_PN)
2079 # define Perl_fp_class_norm(x) (_fpclass(x) & (_FPCLASS_NN|_FPCLASS_PN))
2080 # define Perl_fp_class_ndenorm(x) (_fpclass(x) & _FPCLASS_ND)
2081 # define Perl_fp_class_pdenorm(x) (_fpclass(x) & _FPCLASS_PD)
2082 # define Perl_fp_class_denorm(x) (_fpclass(x) & (_FPCLASS_ND|_FPCLASS_PD))
2083 # define Perl_fp_class_nzero(x) (_fpclass(x) & _FPCLASS_NZ)
2084 # define Perl_fp_class_pzero(x) (_fpclass(x) & _FPCLASS_PZ)
2085 # define Perl_fp_class_zero(x) (_fpclass(x) & (_FPCLASS_NZ|_FPCLASS_PZ))
2089 #if !defined(Perl_fp_class_inf) && \
2090 defined(Perl_fp_class_pinf) && defined(Perl_fp_class_ninf)
2091 # define Perl_fp_class_inf(x) \
2092 (Perl_fp_class_pinf(x) || Perl_fp_class_ninf(x))
2095 #if !defined(Perl_fp_class_nan) && \
2096 defined(Perl_fp_class_snan) && defined(Perl_fp_class_qnan)
2097 # define Perl_fp_class_nan(x) \
2098 (Perl_fp_class_snan(x) || Perl_fp_class_qnan(x))
2101 #if !defined(Perl_fp_class_zero) && \
2102 defined(Perl_fp_class_pzero) && defined(Perl_fp_class_nzero)
2103 # define Perl_fp_class_zero(x) \
2104 (Perl_fp_class_pzero(x) || Perl_fp_class_nzero(x))
2107 #if !defined(Perl_fp_class_norm) && \
2108 defined(Perl_fp_class_pnorm) && defined(Perl_fp_class_nnorm)
2109 # define Perl_fp_class_norm(x) \
2110 (Perl_fp_class_pnorm(x) || Perl_fp_class_nnorm(x))
2113 #if !defined(Perl_fp_class_denorm) && \
2114 defined(Perl_fp_class_pdenorm) && defined(Perl_fp_class_ndenorm)
2115 # define Perl_fp_class_denorm(x) \
2116 (Perl_fp_class_pdenorm(x) || Perl_fp_class_ndenorm(x))
2120 int isnan(double d);
2124 # ifdef Perl_fp_class_nan
2125 # define Perl_isnan(x) Perl_fp_class_nan(x)
2126 # elif defined(HAS_UNORDERED)
2127 # define Perl_isnan(x) unordered((x), 0.0)
2129 # define Perl_isnan(x) ((x)!=(x))
2134 # ifdef Perl_fp_class_inf
2135 # define Perl_isinf(x) Perl_fp_class_inf(x)
2139 #ifndef Perl_isfinite
2140 # if defined(HAS_ISFINITE) && !defined(isfinite)
2141 # define Perl_isfinite(x) isfinite((double)(x))
2142 # elif defined(HAS_FINITE)
2143 # define Perl_isfinite(x) finite((double)(x))
2144 # elif defined(Perl_fp_class_finite)
2145 # define Perl_isfinite(x) Perl_fp_class_finite(x)
2147 /* For the infinities the multiplication returns nan,
2148 * for the nan the multiplication also returns nan,
2149 * for everything else (that is, finite) zero should be returned. */
2150 # define Perl_isfinite(x) (((x) * 0) == 0)
2155 # if defined(Perl_isfinite) && defined(Perl_isnan)
2156 # define Perl_isinf(x) !(Perl_isfinite(x)||Perl_isnan(x))
2160 /* We need Perl_isfinitel (ends with ell) (if available) even when
2161 * not USE_LONG_DOUBLE because the printf code (sv_catpvfn_flags)
2163 #if defined(HAS_LONG_DOUBLE) && !defined(Perl_isfinitel)
2164 /* If isfinite() is a macro and looks like we have C99,
2165 * we assume it's the type-aware C99 isfinite(). */
2166 # if defined(HAS_ISFINITE) && defined(isfinite) && defined(HAS_C99)
2167 # define Perl_isfinitel(x) isfinite(x)
2168 # elif defined(HAS_ISFINITEL)
2169 # define Perl_isfinitel(x) isfinitel(x)
2170 # elif defined(HAS_FINITEL)
2171 # define Perl_isfinitel(x) finitel(x)
2172 # elif defined(HAS_INFL) && defined(HAS_NANL)
2173 # define Perl_isfinitel(x) !(isinfl(x)||isnanl(x))
2175 # define Perl_isfinitel(x) ((x) * 0 == 0) /* See Perl_isfinite. */
2179 /* The default is to use Perl's own atof() implementation (in numeric.c).
2180 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2181 * it is however best to use the native implementation of atof.
2182 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2183 * Some good tests to try out with either setting are t/base/num.t,
2184 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2185 * you may need to be using a different function than atof! */
2187 #ifndef USE_PERL_ATOF
2189 # define USE_PERL_ATOF
2192 # if USE_PERL_ATOF == 0
2193 # undef USE_PERL_ATOF
2197 #ifdef USE_PERL_ATOF
2198 # define Perl_atof(s) Perl_my_atof(s)
2199 # define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2201 # define Perl_atof(s) (NV)atof(s)
2202 # define Perl_atof2(s, n) ((n) = atof(s))
2206 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2207 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2208 * depending on local options. Until Configure detects this (or at least
2209 * detects whether the "signed" keyword is available) the CHAR ranges
2210 * will not be included. UCHAR functions normally.
2214 #define PERL_UCHAR_MIN ((unsigned char)0)
2215 #define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
2217 #define PERL_USHORT_MIN ((unsigned short)0)
2218 #define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2220 #define PERL_SHORT_MAX ((short)SHRT_MAX)
2221 #define PERL_SHORT_MIN ((short)SHRT_MIN)
2223 #define PERL_UINT_MAX ((unsigned int)UINT_MAX)
2224 #define PERL_UINT_MIN ((unsigned int)0)
2226 #define PERL_INT_MAX ((int)INT_MAX)
2227 #define PERL_INT_MIN ((int)INT_MIN)
2229 #define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
2230 #define PERL_ULONG_MIN ((unsigned long)0L)
2232 #define PERL_LONG_MAX ((long)LONG_MAX)
2233 #define PERL_LONG_MIN ((long)LONG_MIN)
2236 # define PERL_UQUAD_MAX (~(UV)0)
2237 # define PERL_UQUAD_MIN ((UV)0)
2238 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
2239 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
2242 typedef MEM_SIZE STRLEN;
2244 typedef struct op OP;
2245 typedef struct cop COP;
2246 typedef struct unop UNOP;
2247 typedef struct unop_aux UNOP_AUX;
2248 typedef struct binop BINOP;
2249 typedef struct listop LISTOP;
2250 typedef struct logop LOGOP;
2251 typedef struct pmop PMOP;
2252 typedef struct svop SVOP;
2253 typedef struct padop PADOP;
2254 typedef struct pvop PVOP;
2255 typedef struct loop LOOP;
2256 typedef struct methop METHOP;
2259 typedef struct opslab OPSLAB;
2260 typedef struct opslot OPSLOT;
2263 typedef struct block_hooks BHK;
2264 typedef struct custom_op XOP;
2266 typedef struct interpreter PerlInterpreter;
2268 /* SGI's <sys/sema.h> has struct sv */
2270 # define STRUCT_SV perl_sv
2272 # define STRUCT_SV sv
2274 typedef struct STRUCT_SV SV;
2275 typedef struct av AV;
2276 typedef struct hv HV;
2277 typedef struct cv CV;
2278 typedef struct p5rx REGEXP;
2279 typedef struct gp GP;
2280 typedef struct gv GV;
2281 typedef struct io IO;
2282 typedef struct context PERL_CONTEXT;
2283 typedef struct block BLOCK;
2285 typedef struct magic MAGIC;
2286 typedef struct xpv XPV;
2287 typedef struct xpviv XPVIV;
2288 typedef struct xpvuv XPVUV;
2289 typedef struct xpvnv XPVNV;
2290 typedef struct xpvmg XPVMG;
2291 typedef struct xpvlv XPVLV;
2292 typedef struct xpvinvlist XINVLIST;
2293 typedef struct xpvav XPVAV;
2294 typedef struct xpvhv XPVHV;
2295 typedef struct xpvgv XPVGV;
2296 typedef struct xpvcv XPVCV;
2297 typedef struct xpvbm XPVBM;
2298 typedef struct xpvfm XPVFM;
2299 typedef struct xpvio XPVIO;
2300 typedef struct mgvtbl MGVTBL;
2301 typedef union any ANY;
2302 typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2303 typedef struct ptr_tbl PTR_TBL_t;
2304 typedef struct clone_params CLONE_PARAMS;
2306 /* a pad is currently just an AV; but that might change,
2307 * so hide the type. */
2308 typedef struct padlist PADLIST;
2310 typedef struct padnamelist PADNAMELIST;
2311 typedef struct padname PADNAME;
2313 /* enable PERL_OP_PARENT by default */
2314 #if !defined(PERL_OP_PARENT) && !defined(PERL_NO_OP_PARENT)
2315 # define PERL_OP_PARENT
2318 /* enable PERL_COPY_ON_WRITE by default */
2319 #if !defined(PERL_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2320 # define PERL_COPY_ON_WRITE
2323 #ifdef PERL_COPY_ON_WRITE
2324 # define PERL_ANY_COW
2326 # define PERL_SAWAMPERSAND
2329 #if defined(PERL_DEBUG_READONLY_OPS) && !defined(USE_ITHREADS)
2330 # error PERL_DEBUG_READONLY_OPS only works with ithreads
2334 #include "charclass_invlists.h"
2336 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
2337 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2338 # define USE_64_BIT_RAWIO /* implicit */
2342 /* Notice the use of HAS_FSEEKO: now we are obligated to always use
2343 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2344 * however, because operating systems like to do that themself. */
2347 # define FSEEKSIZE LSEEKSIZE
2349 # define FSEEKSIZE LONGSIZE
2353 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
2354 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2355 # define USE_64_BIT_STDIO /* implicit */
2359 #ifdef USE_64_BIT_RAWIO
2362 # define Off_t off64_t
2364 # define LSEEKSIZE 8
2366 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2367 * will trigger defines like the ones below. Some 64-bit environments,
2368 * however, do not. Therefore we have to explicitly mix and match. */
2369 # if defined(USE_OPEN64)
2370 # define open open64
2372 # if defined(USE_LSEEK64)
2373 # define lseek lseek64
2375 # if defined(USE_LLSEEK)
2376 # define lseek llseek
2379 # if defined(USE_STAT64)
2380 # define stat stat64
2382 # if defined(USE_FSTAT64)
2383 # define fstat fstat64
2385 # if defined(USE_LSTAT64)
2386 # define lstat lstat64
2388 # if defined(USE_FLOCK64)
2389 # define flock flock64
2391 # if defined(USE_LOCKF64)
2392 # define lockf lockf64
2394 # if defined(USE_FCNTL64)
2395 # define fcntl fcntl64
2397 # if defined(USE_TRUNCATE64)
2398 # define truncate truncate64
2400 # if defined(USE_FTRUNCATE64)
2401 # define ftruncate ftruncate64
2405 #ifdef USE_64_BIT_STDIO
2406 # ifdef HAS_FPOS64_T
2408 # define Fpos_t fpos64_t
2410 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2411 * will trigger defines like the ones below. Some 64-bit environments,
2412 * however, do not. */
2413 # if defined(USE_FOPEN64)
2414 # define fopen fopen64
2416 # if defined(USE_FSEEK64)
2417 # define fseek fseek64 /* don't do fseeko here, see perlio.c */
2419 # if defined(USE_FTELL64)
2420 # define ftell ftell64 /* don't do ftello here, see perlio.c */
2422 # if defined(USE_FSETPOS64)
2423 # define fsetpos fsetpos64
2425 # if defined(USE_FGETPOS64)
2426 # define fgetpos fgetpos64
2428 # if defined(USE_TMPFILE64)
2429 # define tmpfile tmpfile64
2431 # if defined(USE_FREOPEN64)
2432 # define freopen freopen64
2437 # include "iperlsys.h"
2442 # include "os2ish.h"
2444 # include "dosish.h"
2447 # include "vmsish.h"
2448 #elif defined(PLAN9)
2449 # include "./plan9/plan9ish.h"
2450 #elif defined(__VOS__)
2452 # include "./vos/vosish.h"
2454 # include "vos/vosish.h"
2456 #elif defined(__SYMBIAN32__)
2457 # include "symbian/symbianish.h"
2458 #elif defined(__HAIKU__)
2459 # include "haiku/haikuish.h"
2461 # include "unixish.h"
2465 # include "amigaos.h"
2466 # undef FD_CLOEXEC /* a lie in AmigaOS */
2469 /* NSIG logic from Configure --> */
2472 # define NSIG (_NSIG)
2473 # elif defined(SIGMAX)
2474 # define NSIG (SIGMAX+1)
2475 # elif defined(SIG_MAX)
2476 # define NSIG (SIG_MAX+1)
2477 # elif defined(_SIG_MAX)
2478 # define NSIG (_SIG_MAX+1)
2479 # elif defined(MAXSIG)
2480 # define NSIG (MAXSIG+1)
2481 # elif defined(MAX_SIG)
2482 # define NSIG (MAX_SIG+1)
2483 # elif defined(SIGARRAYSIZE)
2484 # define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2485 # elif defined(_sys_nsig)
2486 # define NSIG (_sys_nsig) /* Solaris 2.5 */
2488 /* Default to some arbitrary number that's big enough to get most
2489 * of the common signals. */
2493 /* <-- NSIG logic from Configure */
2495 #ifndef NO_ENVIRON_ARRAY
2496 # define USE_ENVIRON_ARRAY
2500 * initialise to avoid floating-point exceptions from overflow, etc
2502 #ifndef PERL_FPU_INIT
2503 # ifdef HAS_FPSETMASK
2504 # if HAS_FLOATINGPOINT_H
2505 # include <floatingpoint.h>
2507 /* Some operating systems have this as a macro, which in turn expands to a comma
2508 expression, and the last sub-expression is something that gets calculated,
2509 and then they have the gall to warn that a value computed is not used. Hence
2511 # define PERL_FPU_INIT (void)fpsetmask(0)
2512 # elif defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
2513 # define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
2514 # define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2515 # define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
2517 # define PERL_FPU_INIT
2520 #ifndef PERL_FPU_PRE_EXEC
2521 # define PERL_FPU_PRE_EXEC {
2522 # define PERL_FPU_POST_EXEC }
2525 /* In Tru64 the cc -ieee enables the IEEE math but disables traps.
2526 * We need to reenable the "invalid" trap because otherwise generation
2527 * of NaN values leaves the IEEE fp flags in bad state, leaving any further
2528 * fp ops behaving strangely (Inf + 1 resulting in zero, for example). */
2530 # include <machine/fpu.h>
2531 # define PERL_SYS_FPU_INIT \
2533 ieee_set_fp_control(IEEE_TRAP_ENABLE_INV); \
2534 signal(SIGFPE, SIG_IGN); \
2537 /* In IRIX the default for Flush to Zero bit is true,
2538 * which means that results going below the minimum of normal
2539 * floating points go to zero, instead of going denormal/subnormal.
2540 * This is unlike almost any other system running Perl, so let's clear it.
2541 * [perl #123767] IRIX64 blead (ddce084a) opbasic/arith.t failure, originally
2542 * [perl #120426] small numbers shouldn't round to zero if they have extra floating digits
2544 * XXX The flush-to-zero behaviour should be a Configure scan.
2545 * To change the behaviour usually requires some system-specific
2546 * incantation, though, like the below. */
2548 # include <sys/fpu.h>
2549 # define PERL_SYS_FPU_INIT \
2551 union fpc_csr csr; \
2552 csr.fc_word = get_fpc_csr(); \
2553 csr.fc_struct.flush = 0; \
2554 set_fpc_csr(csr.fc_word); \
2558 #ifndef PERL_SYS_FPU_INIT
2559 # define PERL_SYS_FPU_INIT NOOP
2562 #ifndef PERL_SYS_INIT3_BODY
2563 # define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
2567 =head1 Miscellaneous Functions
2569 =for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
2570 Provides system-specific tune up of the C runtime environment necessary to
2571 run Perl interpreters. This should be called only once, before creating
2572 any Perl interpreters.
2574 =for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
2575 Provides system-specific tune up of the C runtime environment necessary to
2576 run Perl interpreters. This should be called only once, before creating
2577 any Perl interpreters.
2579 =for apidoc Am|void|PERL_SYS_TERM|
2580 Provides system-specific clean up of the C runtime environment after
2581 running Perl interpreters. This should be called only once, after
2582 freeing any remaining Perl interpreters.
2587 #define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2588 #define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
2589 #define PERL_SYS_TERM() Perl_sys_term()
2591 #ifndef PERL_WRITE_MSG_TO_CONSOLE
2592 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2597 # ifdef _POSIX_PATH_MAX
2598 # if PATH_MAX > _POSIX_PATH_MAX
2599 /* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2600 * included the null byte or not. Later amendments of POSIX,
2601 * XPG4, the Austin Group, and the Single UNIX Specification
2602 * all explicitly include the null byte in the PATH_MAX.
2603 * Ditto for _POSIX_PATH_MAX. */
2604 # define MAXPATHLEN PATH_MAX
2606 # define MAXPATHLEN _POSIX_PATH_MAX
2609 # define MAXPATHLEN (PATH_MAX+1)
2612 # define MAXPATHLEN 1024 /* Err on the large side. */
2616 /* In case Configure was not used (we are using a "canned config"
2617 * such as Win32, or a cross-compilation setup, for example) try going
2618 * by the gcc major and minor versions. One useful URL is
2619 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2620 * but contrary to this information warn_unused_result seems
2621 * not to be in gcc 3.3.5, at least. --jhi
2622 * Also, when building extensions with an installed perl, this allows
2623 * the user to upgrade gcc and get the right attributes, rather than
2624 * relying on the list generated at Configure time. --AD
2625 * Set these up now otherwise we get confused when some of the <*thread.h>
2626 * includes below indirectly pull in <perlio.h> (which needs to know if we
2627 * have HASATTRIBUTE_FORMAT).
2631 #if defined __GNUC__ && !defined(__INTEL_COMPILER)
2632 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2633 # define HASATTRIBUTE_DEPRECATED
2635 # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2636 # define HASATTRIBUTE_FORMAT
2637 # if defined __MINGW32__
2638 # define PRINTF_FORMAT_NULL_OK
2641 # if __GNUC__ >= 3 /* 3.0 -> */
2642 # define HASATTRIBUTE_MALLOC
2644 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2645 # define HASATTRIBUTE_NONNULL
2647 # if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2648 # define HASATTRIBUTE_NORETURN
2650 # if __GNUC__ >= 3 /* gcc 3.0 -> */
2651 # define HASATTRIBUTE_PURE
2653 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2654 # define HASATTRIBUTE_UNUSED
2656 # if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2657 # define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2659 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2660 # define HASATTRIBUTE_WARN_UNUSED_RESULT
2663 #endif /* #ifndef PERL_MICRO */
2665 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
2666 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
2667 * this results in many functions being undeclared which bothers C++
2668 * May make sense to have threads after "*ish.h" anyway
2671 /* clang Thread Safety Analysis/Annotations/Attributes
2672 * http://clang.llvm.org/docs/ThreadSafetyAnalysis.html
2674 * Available since clang 3.6-ish (appeared in 3.4, but shaky still in 3.5).
2675 * Apple XCode hijacks __clang_major__ and __clang_minor__
2676 * (6.1 means really clang 3.6), so needs extra hijinks
2677 * (could probably also test the contents of __apple_build_version__).
2679 #if defined(USE_ITHREADS) && defined(I_PTHREAD) && \
2680 defined(__clang__) && \
2681 !defined(PERL_GLOBAL_STRUCT) && \
2682 !defined(PERL_GLOBAL_STRUCT_PRIVATE) && \
2684 ((!defined(__apple_build_version__) && \
2685 ((__clang_major__ == 3 && __clang_minor__ >= 6) || \
2686 (__clang_major__ >= 4))) || \
2687 (defined(__apple_build_version__) && \
2688 ((__clang_major__ == 6 && __clang_minor__ >= 1) || \
2689 (__clang_major__ >= 7))))
2690 # define PERL_TSA__(x) __attribute__((x))
2691 # define PERL_TSA_ACTIVE
2693 # define PERL_TSA__(x) /* No TSA, make TSA attributes no-ops. */
2694 # undef PERL_TSA_ACTIVE
2697 /* PERL_TSA_CAPABILITY() is used to annotate typedefs.
2698 * typedef old_type PERL_TSA_CAPABILITY("mutex") new_type;
2700 #define PERL_TSA_CAPABILITY(x) \
2701 PERL_TSA__(capability(x))
2703 /* In the below examples the mutex must be lexically visible, usually
2704 * either as global variables, or as function arguments. */
2706 /* PERL_TSA_GUARDED_BY() is used to annotate global variables.
2708 * Foo foo PERL_TSA_GUARDED_BY(mutex);
2710 #define PERL_TSA_GUARDED_BY(x) \
2711 PERL_TSA__(guarded_by(x))
2713 /* PERL_TSA_PT_GUARDED_BY() is used to annotate global pointers.
2714 * The data _behind_ the pointer is guarded.
2716 * Foo* ptr PERL_TSA_PT_GUARDED_BY(mutex);
2718 #define PERL_TSA_PT_GUARDED_BY(x) \
2719 PERL_TSA__(pt_guarded_by(x))
2721 /* PERL_TSA_REQUIRES() is used to annotate functions.
2722 * The caller MUST hold the resource when calling the function.
2724 * void Foo() PERL_TSA_REQUIRES(mutex);
2726 #define PERL_TSA_REQUIRES(x) \
2727 PERL_TSA__(requires_capability(x))
2729 /* PERL_TSA_EXCLUDES() is used to annotate functions.
2730 * The caller MUST NOT hold resource when calling the function.
2732 * EXCLUDES should be used when the function first acquires
2733 * the resource and then releases it. Use to avoid deadlock.
2735 * void Foo() PERL_TSA_EXCLUDES(mutex);
2737 #define PERL_TSA_EXCLUDES(x) \
2738 PERL_TSA__(locks_excluded(x))
2740 /* PERL_TSA_ACQUIRE() is used to annotate functions.
2741 * The caller MUST NOT hold the resource when calling the function,
2742 * and the function will acquire the resource.
2744 * void Foo() PERL_TSA_ACQUIRE(mutex);
2746 #define PERL_TSA_ACQUIRE(x) \
2747 PERL_TSA__(acquire_capability(x))
2749 /* PERL_TSA_RELEASE() is used to annotate functions.
2750 * The caller MUST hold the resource when calling the function,
2751 * and the function will release the resource.
2753 * void Foo() PERL_TSA_RELEASE(mutex);
2755 #define PERL_TSA_RELEASE(x) \
2756 PERL_TSA__(release_capability(x))
2758 /* PERL_TSA_NO_TSA is used to annotate functions.
2759 * Used when being intentionally unsafe, or when the code is too
2760 * complicated for the analysis. Use sparingly.
2762 * void Foo() PERL_TSA_NO_TSA;
2764 #define PERL_TSA_NO_TSA \
2765 PERL_TSA__(no_thread_safety_analysis)
2767 /* There are more annotations/attributes available, see the clang
2768 * documentation for details. */
2770 #if defined(USE_ITHREADS)
2772 # include <nw5thread.h>
2773 # elif defined(WIN32)
2774 # include <win32thread.h>
2776 # include "os2thread.h"
2777 # elif defined(I_MACH_CTHREADS)
2778 # include <mach/cthreads.h>
2779 typedef cthread_t perl_os_thread;
2780 typedef mutex_t perl_mutex;
2781 typedef condition_t perl_cond;
2782 typedef void * perl_key;
2783 # elif defined(I_PTHREAD) /* Posix threads */
2784 # include <pthread.h>
2785 typedef pthread_t perl_os_thread;
2786 typedef pthread_mutex_t PERL_TSA_CAPABILITY("mutex") perl_mutex;
2787 typedef pthread_cond_t perl_cond;
2788 typedef pthread_key_t perl_key;
2790 #endif /* USE_ITHREADS */
2792 #ifdef PERL_TSA_ACTIVE
2793 /* Since most pthread mutex interfaces have not been annotated, we
2794 * need to have these wrappers. The NO_TSA annotation is quite ugly
2795 * but it cannot be avoided in plain C, unlike in C++, where one could
2796 * e.g. use ACQUIRE() with no arg on a mutex lock method.
2798 * The bodies of these wrappers are in util.c
2800 * TODO: however, some platforms are starting to get these clang
2801 * thread safety annotations for pthreads, for example FreeBSD.
2802 * Do we need a way to a bypass these wrappers? */
2803 EXTERN_C int perl_tsa_mutex_lock(perl_mutex* mutex)
2804 PERL_TSA_ACQUIRE(*mutex)
2806 EXTERN_C int perl_tsa_mutex_unlock(perl_mutex* mutex)
2807 PERL_TSA_RELEASE(*mutex)
2816 # include "netware.h"
2819 #define STATUS_UNIX PL_statusvalue
2821 # define STATUS_NATIVE PL_statusvalue_vms
2823 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
2824 * its contents can not be trusted. Unfortunately, Perl seems to check
2825 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2828 # include <stsdef.h>
2830 /* Presume this because if VMS changes it, it will require a new
2831 * set of APIs for waiting on children for binary compatibility.
2833 # define child_offset_bits (8)
2834 # ifndef C_FAC_POSIX
2835 # define C_FAC_POSIX 0x35A000
2838 /* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2839 * platform from the existing UNIX or Native status values.
2842 # define STATUS_EXIT \
2843 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2844 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2847 /* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2848 * exit code and shifts the UNIX value over the correct number of bits to
2849 * be a child status. Usually the number of bits is 8, but that could be
2850 * platform dependent. The NATIVE status code is presumed to have either
2851 * from a child process.
2854 /* This is complicated. The child processes return a true native VMS
2855 status which must be saved. But there is an assumption in Perl that
2856 the UNIX child status has some relationship to errno values, so
2857 Perl tries to translate it to text in some of the tests.
2858 In order to get the string translation correct, for the error, errno
2859 must be EVMSERR, but that generates a different text message
2860 than what the test programs are expecting. So an errno value must
2861 be derived from the native status value when an error occurs.
2862 That will hide the true native status message. With this version of
2863 perl, the true native child status can always be retrieved so that
2864 is not a problem. But in this case, Pl_statusvalue and errno may
2865 have different values in them.
2868 # define STATUS_NATIVE_CHILD_SET(n) \
2870 I32 evalue = (I32)n; \
2871 if (evalue == EVMSERR) { \
2872 PL_statusvalue_vms = vaxc$errno; \
2873 PL_statusvalue = evalue; \
2875 PL_statusvalue_vms = evalue; \
2876 if (evalue == -1) { \
2877 PL_statusvalue = -1; \
2878 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2880 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2881 set_vaxc_errno(evalue); \
2882 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2883 set_errno(EVMSERR); \
2884 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2885 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2889 # ifdef VMSISH_STATUS
2890 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
2892 # define STATUS_CURRENT STATUS_UNIX
2895 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2896 * the NATIVE status to an equivalent value. Can not be used to translate
2897 * exit code values as exit code values are not guaranteed to have any
2898 * relationship at all to errno values.
2899 * This is used when Perl is forcing errno to have a specific value.
2901 # define STATUS_UNIX_SET(n) \
2903 I32 evalue = (I32)n; \
2904 PL_statusvalue = evalue; \
2905 if (PL_statusvalue != -1) { \
2906 if (PL_statusvalue != EVMSERR) { \
2907 PL_statusvalue &= 0xFFFF; \
2908 if (MY_POSIX_EXIT) \
2909 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2910 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2913 PL_statusvalue_vms = vaxc$errno; \
2916 else PL_statusvalue_vms = SS$_ABORT; \
2917 set_vaxc_errno(PL_statusvalue_vms); \
2920 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2921 * the NATIVE error status based on it.
2923 * When in the default mode to comply with the Perl VMS documentation,
2924 * 0 is a success and any other code sets the NATIVE status to a failure
2925 * code of SS$_ABORT.
2927 * In the new POSIX EXIT mode, native status will be set so that the
2928 * actual exit code will can be retrieved by the calling program or
2931 * If the exit code is not clearly a UNIX parent or child exit status,
2932 * it will be passed through as a VMS status.
2935 # define STATUS_UNIX_EXIT_SET(n) \
2937 I32 evalue = (I32)n; \
2938 PL_statusvalue = evalue; \
2939 if (MY_POSIX_EXIT) { \
2940 if (evalue <= 0xFF00) { \
2941 if (evalue > 0xFF) \
2942 evalue = (evalue >> child_offset_bits) & 0xFF; \
2943 PL_statusvalue_vms = \
2944 (C_FAC_POSIX | (evalue << 3 ) | \
2945 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2946 } else /* forgive them Perl, for they have sinned */ \
2947 PL_statusvalue_vms = evalue; \
2950 PL_statusvalue_vms = SS$_NORMAL; \
2951 else if (evalue <= 0xFF00) \
2952 PL_statusvalue_vms = SS$_ABORT; \
2953 else { /* forgive them Perl, for they have sinned */ \
2954 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2955 else PL_statusvalue_vms = vaxc$errno; \
2956 /* And obviously used a VMS status value instead of UNIX */ \
2957 PL_statusvalue = EVMSERR; \
2959 set_vaxc_errno(PL_statusvalue_vms); \
2964 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2965 * and sets the NATIVE error status based on it. This special case
2966 * is needed to maintain compatibility with past VMS behavior.
2968 * In the default mode on VMS, this number is passed through as
2969 * both the NATIVE and UNIX status. Which makes it different
2970 * that the STATUS_UNIX_EXIT_SET.
2972 * In the new POSIX EXIT mode, native status will be set so that the
2973 * actual exit code will can be retrieved by the calling program or
2976 * A POSIX exit code is from 0 to 255. If the exit code is higher
2977 * than this, it needs to be assumed that it is a VMS exit code and
2981 # define STATUS_EXIT_SET(n) \
2983 I32 evalue = (I32)n; \
2984 PL_statusvalue = evalue; \
2985 if (MY_POSIX_EXIT) \
2986 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2987 PL_statusvalue_vms = \
2988 (C_FAC_POSIX | (evalue << 3 ) | \
2989 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
2991 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2992 set_vaxc_errno(PL_statusvalue_vms); \
2996 /* This macro forces a success status */
2997 # define STATUS_ALL_SUCCESS \
2998 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
3000 /* This macro forces a failure status */
3001 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3002 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3003 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
3005 #elif defined(__amigaos4__)
3006 /* A somewhat experimental attempt to simulate posix return code values */
3007 # define STATUS_NATIVE PL_statusvalue_posix
3008 # define STATUS_NATIVE_CHILD_SET(n) \
3010 PL_statusvalue_posix = (n); \
3011 if (PL_statusvalue_posix < 0) { \
3012 PL_statusvalue = -1; \
3015 PL_statusvalue = n << 8; \
3018 # define STATUS_UNIX_SET(n) \
3020 PL_statusvalue = (n); \
3021 if (PL_statusvalue != -1) \
3022 PL_statusvalue &= 0xFFFF; \
3024 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3025 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3026 # define STATUS_CURRENT STATUS_UNIX
3027 # define STATUS_EXIT STATUS_UNIX
3028 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3029 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3032 # define STATUS_NATIVE PL_statusvalue_posix
3033 # if defined(WCOREDUMP)
3034 # define STATUS_NATIVE_CHILD_SET(n) \
3036 PL_statusvalue_posix = (n); \
3037 if (PL_statusvalue_posix == -1) \
3038 PL_statusvalue = -1; \
3041 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3042 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3043 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3046 # elif defined(WIFEXITED)
3047 # define STATUS_NATIVE_CHILD_SET(n) \
3049 PL_statusvalue_posix = (n); \
3050 if (PL_statusvalue_posix == -1) \
3051 PL_statusvalue = -1; \
3054 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3055 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3059 # define STATUS_NATIVE_CHILD_SET(n) \
3061 PL_statusvalue_posix = (n); \
3062 if (PL_statusvalue_posix == -1) \
3063 PL_statusvalue = -1; \
3066 PL_statusvalue_posix & 0xFFFF; \
3070 # define STATUS_UNIX_SET(n) \
3072 PL_statusvalue = (n); \
3073 if (PL_statusvalue != -1) \
3074 PL_statusvalue &= 0xFFFF; \
3076 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3077 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3078 # define STATUS_CURRENT STATUS_UNIX
3079 # define STATUS_EXIT STATUS_UNIX
3080 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3081 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3084 /* flags in PL_exit_flags for nature of exit() */
3085 #define PERL_EXIT_EXPECTED 0x01
3086 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
3087 #define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3088 #define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
3091 /* format to use for version numbers in file/directory names */
3092 /* XXX move to Configure? */
3093 /* This was only ever used for the current version, and that can be done at
3094 compile time, as PERL_FS_VERSION, so should we just delete it? */
3095 # ifndef PERL_FS_VER_FMT
3096 # define PERL_FS_VER_FMT "%d.%d.%d"
3100 #ifndef PERL_FS_VERSION
3101 # define PERL_FS_VERSION PERL_VERSION_STRING
3104 /* This defines a way to flush all output buffers. This may be a
3105 * performance issue, so we allow people to disable it. Also, if
3106 * we are using stdio, there are broken implementations of fflush(NULL)
3107 * out there, Solaris being the most prominent.
3109 #ifndef PERL_FLUSHALL_FOR_CHILD
3110 # if defined(USE_PERLIO) || defined(FFLUSH_NULL)
3111 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
3112 # elif defined(FFLUSH_ALL)
3113 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
3115 # define PERL_FLUSHALL_FOR_CHILD NOOP
3119 #ifndef PERL_WAIT_FOR_CHILDREN
3120 # define PERL_WAIT_FOR_CHILDREN NOOP
3123 /* the traditional thread-unsafe notion of "current interpreter". */
3124 #ifndef PERL_SET_INTERP
3125 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3128 #ifndef PERL_GET_INTERP
3129 # define PERL_GET_INTERP (PL_curinterp)
3132 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
3133 # ifdef MULTIPLICITY
3134 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
3136 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3140 This replaces the previous %_ "hack" by the "%p" hacks.
3141 All that is required is that the perl source does not
3142 use "%-p" or "%-<number>p" or "%<number>p" formats.
3143 These formats will still work in perl code.
3144 See comments in sv.c for further details.
3146 Robin Barker 2005-07-14
3148 No longer use %1p for VDf = %vd. RMB 2007-10-19
3152 # define SVf_(n) "-" STRINGIFY(n) "p"
3160 # define SVf32 SVf_(32)
3164 # define SVf256 SVf_(256)
3167 #define SVfARG(p) ((void*)(p))
3173 /* Not ideal, but we cannot easily include a number in an already-numeric
3174 * format sequence. */
3176 # define HEKf256 "3p"
3179 #define HEKfARG(p) ((void*)(p))
3181 /* Takes three arguments: is_utf8, length, str */
3183 # define UTF8f "d%" UVuf "%4p"
3185 #define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3188 #define PNfARG(pn) (int)1, (UV)PadnameLEN(pn), (void *)PadnamePV(pn)
3191 /* not used; but needed for backward compatibility with XS code? - RMB */
3197 #ifdef HASATTRIBUTE_DEPRECATED
3198 # define __attribute__deprecated__ __attribute__((deprecated))
3200 #ifdef HASATTRIBUTE_FORMAT
3201 # define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3203 #ifdef HASATTRIBUTE_MALLOC
3204 # define __attribute__malloc__ __attribute__((__malloc__))
3206 #ifdef HASATTRIBUTE_NONNULL
3207 # define __attribute__nonnull__(a) __attribute__((nonnull(a)))
3209 #ifdef HASATTRIBUTE_NORETURN
3210 # define __attribute__noreturn__ __attribute__((noreturn))
3212 #ifdef HASATTRIBUTE_PURE
3213 # define __attribute__pure__ __attribute__((pure))
3215 #ifdef HASATTRIBUTE_UNUSED
3216 # define __attribute__unused__ __attribute__((unused))
3218 #ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
3219 # define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
3222 /* If we haven't defined the attributes yet, define them to blank. */
3223 #ifndef __attribute__deprecated__
3224 # define __attribute__deprecated__
3226 #ifndef __attribute__format__
3227 # define __attribute__format__(x,y,z)
3229 #ifndef __attribute__malloc__
3230 # define __attribute__malloc__
3232 #ifndef __attribute__nonnull__
3233 # define __attribute__nonnull__(a)
3235 #ifndef __attribute__noreturn__
3236 # define __attribute__noreturn__
3238 #ifndef __attribute__pure__
3239 # define __attribute__pure__
3241 #ifndef __attribute__unused__
3242 # define __attribute__unused__
3244 #ifndef __attribute__warn_unused_result__
3245 # define __attribute__warn_unused_result__
3249 # if !defined(DEBUGGING) && !defined(NDEBUG)
3252 # include <assert.h>
3255 /* For functions that are marked as __attribute__noreturn__, it's not
3256 appropriate to call return. In either case, include the lint directive.
3258 #ifdef HASATTRIBUTE_NORETURN
3259 # define NORETURN_FUNCTION_END NOT_REACHED;
3261 # define NORETURN_FUNCTION_END NOT_REACHED; return 0
3264 /* Some OS warn on NULL format to printf */
3265 #ifdef PRINTF_FORMAT_NULL_OK
3266 # define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3268 # define __attribute__format__null_ok__(x,y,z)
3271 #ifdef HAS_BUILTIN_EXPECT
3272 # define EXPECT(expr,val) __builtin_expect(expr,val)
3274 # define EXPECT(expr,val) (expr)
3276 #define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3277 #define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
3278 #ifdef HAS_BUILTIN_CHOOSE_EXPR
3282 /* STATIC_ASSERT_DECL/STATIC_ASSERT_STMT are like assert(), but for compile
3283 time invariants. That is, their argument must be a constant expression that
3284 can be verified by the compiler. This expression can contain anything that's
3285 known to the compiler, e.g. #define constants, enums, or sizeof (...). If
3286 the expression evaluates to 0, compilation fails.
3287 Because they generate no runtime code (i.e. their use is "free"), they're
3288 always active, even under non-DEBUGGING builds.
3289 STATIC_ASSERT_DECL expands to a declaration and is suitable for use at
3290 file scope (outside of any function).
3291 STATIC_ASSERT_STMT expands to a statement and is suitable for use inside a
3294 #if (defined(static_assert) || (defined(__cplusplus) && __cplusplus >= 201103L)) && (!defined(__IBMC__) || __IBMC__ >= 1210)
3295 /* static_assert is a macro defined in <assert.h> in C11 or a compiler
3296 builtin in C++11. But IBM XL C V11 does not support _Static_assert, no
3297 matter what <assert.h> says.
3299 # define STATIC_ASSERT_DECL(COND) static_assert(COND, #COND)
3301 /* We use a bit-field instead of an array because gcc accepts
3302 'typedef char x[n]' where n is not a compile-time constant.
3303 We want to enforce constantness.
3305 # define STATIC_ASSERT_2(COND, SUFFIX) \
3307 unsigned int _static_assertion_failed_##SUFFIX : (COND) ? 1 : -1; \
3308 } _static_assertion_failed_##SUFFIX PERL_UNUSED_DECL
3309 # define STATIC_ASSERT_1(COND, SUFFIX) STATIC_ASSERT_2(COND, SUFFIX)
3310 # define STATIC_ASSERT_DECL(COND) STATIC_ASSERT_1(COND, __LINE__)
3312 /* We need this wrapper even in C11 because 'case X: static_assert(...);' is an
3313 error (static_assert is a declaration, and only statements can have labels).
3315 #define STATIC_ASSERT_STMT(COND) STMT_START { STATIC_ASSERT_DECL(COND); } STMT_END
3317 #ifndef __has_builtin
3318 # define __has_builtin(x) 0 /* not a clang style compiler */
3321 /* ASSUME is like assert(), but it has a benefit in a release build. It is a
3322 hint to a compiler about a statement of fact in a function call free
3323 expression, which allows the compiler to generate better machine code.
3324 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3325 the control path is unreachable. In a for loop, ASSUME can be used to hint
3326 that a loop will run at least X times. ASSUME is based off MSVC's __assume
3327 intrinsic function, see its documents for more details.
3331 # if __has_builtin(__builtin_unreachable) \
3332 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4) /* 4.5 -> */
3333 # define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3334 # elif defined(_MSC_VER)
3335 # define ASSUME(x) __assume(x)
3336 # elif defined(__ARMCC_VERSION) /* untested */
3337 # define ASSUME(x) __promise(x)
3339 /* a random compiler might define assert to its own special optimization token
3340 so pass it through to C lib as a last resort */
3341 # define ASSUME(x) assert(x)
3344 # define ASSUME(x) assert(x)
3347 #if defined(__sun) /* ASSUME() generates warnings on Solaris */
3348 # define NOT_REACHED
3349 #elif defined(DEBUGGING) && (__has_builtin(__builtin_unreachable) \
3350 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4)) /* 4.5 -> */
3351 # define NOT_REACHED STMT_START { ASSUME(0); __builtin_unreachable(); } STMT_END
3353 # define NOT_REACHED ASSUME(0)
3356 /* Some unistd.h's give a prototype for pause() even though
3357 HAS_PAUSE ends up undefined. This causes the #define
3358 below to be rejected by the compiler. Sigh.
3363 #define Pause() sleep((32767<<16)+32767)
3367 # ifdef IOCPARM_MASK
3368 /* on BSDish systems we're safe */
3369 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3370 # elif defined(_IOC_SIZE) && defined(__GLIBC__)
3371 /* on Linux systems we're safe; except when we're not [perl #38223] */
3372 # define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
3374 /* otherwise guess at what's safe */
3375 # define IOCPARM_LEN(x) 256
3379 #if defined(__CYGWIN__)
3381 * This symbol, if defined, indicates that the program should
3382 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
3383 * that a file is in "binary" mode -- that is, that no translation
3384 * of bytes occurs on read or write operations.
3386 # define USEMYBINMODE /**/
3387 # include <io.h> /* for setmode() prototype */
3388 # define my_binmode(fp, iotype, mode) \
3389 cBOOL(PerlLIO_setmode(fileno(fp), mode) != -1)
3393 void init_os_extras(void);
3396 #ifdef UNION_ANY_DEFINITION
3397 UNION_ANY_DEFINITION;
3415 void (*any_dptr) (void*);
3416 void (*any_dxptr) (pTHX_ void*);
3420 typedef I32 (*filter_t) (pTHX_ int, SV *, int);
3422 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3423 #define FILTER_DATA(idx) \
3424 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3425 #define FILTER_ISREADER(idx) \
3426 (PL_parser && PL_parser->rsfp_filters \
3427 && idx >= AvFILLp(PL_parser->rsfp_filters))
3428 #define PERL_FILTER_EXISTS(i) \
3429 (PL_parser && PL_parser->rsfp_filters \
3430 && (i) <= av_tindex(PL_parser->rsfp_filters))
3432 #if defined(_AIX) && !defined(_AIX43)
3433 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3434 /* We cannot include <crypt.h> to get the struct crypt_data
3435 * because of setkey prototype problems when threading */
3436 typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3437 /* From OSF, Not needed in AIX
3445 #endif /* threading */
3448 #ifndef PERL_CALLCONV
3450 # define PERL_CALLCONV extern "C"
3452 # define PERL_CALLCONV
3455 #ifndef PERL_CALLCONV_NO_RET
3456 # define PERL_CALLCONV_NO_RET PERL_CALLCONV
3459 /* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
3460 dont have a noreturn as a declaration specifier
3462 #ifndef PERL_STATIC_NO_RET
3463 # define PERL_STATIC_NO_RET STATIC
3465 /* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
3466 builds that dont have a noreturn as a declaration specifier
3468 #ifndef PERL_STATIC_INLINE_NO_RET
3469 # define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
3473 # include "iperlsys.h"
3476 #ifdef __LIBCATAMOUNT__
3477 #undef HAS_PASSWD /* unixish.h but not unixish enough. */
3479 #define FAKE_BIT_BUCKET
3482 /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3483 * Note that the USE_HASH_SEED and similar defines are *NOT* defined by
3484 * Configure, despite their names being similar to other defines like
3485 * USE_ITHREADS. Configure in fact knows nothing about the randomised
3486 * hashes. Therefore to enable/disable the hash randomisation defines
3487 * use the Configure -Accflags=... instead. */
3488 #if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED)
3489 # define USE_HASH_SEED
3495 /* macros to define bit-fields in structs. */
3496 #ifndef PERL_BITFIELD8
3497 # define PERL_BITFIELD8 unsigned
3499 #ifndef PERL_BITFIELD16
3500 # define PERL_BITFIELD16 unsigned
3502 #ifndef PERL_BITFIELD32
3503 # define PERL_BITFIELD32 unsigned
3513 #include "opnames.h"
3520 #include "warnings.h"
3523 /* these would be in doio.h if there was such a file */
3524 #define my_stat() my_stat_flags(SV_GMAGIC)
3525 #define my_lstat() my_lstat_flags(SV_GMAGIC)
3527 /* defined in sv.c, but also used in [ach]v.c */
3530 #undef _XPVCV_COMMON
3534 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
3536 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3538 /* These have to be predeclared, as they are used in proto.h which is #included
3539 * before their definitions in regcomp.h. */
3542 typedef struct regnode_charclass regnode_charclass;
3544 struct regnode_charclass_class;
3546 /* A hopefully less confusing name. The sub-classes are all Posix classes only
3547 * used under /l matching */
3548 typedef struct regnode_charclass_class regnode_charclass_posixl;
3550 typedef struct regnode_ssc regnode_ssc;
3551 typedef struct RExC_state_t RExC_state_t;
3552 struct _reg_trie_data;
3556 struct ptr_tbl_ent {
3557 struct ptr_tbl_ent* next;
3563 struct ptr_tbl_ent** tbl_ary;
3566 struct ptr_tbl_arena *tbl_arena;
3567 struct ptr_tbl_ent *tbl_arena_next;
3568 struct ptr_tbl_ent *tbl_arena_end;
3571 #if defined(htonl) && !defined(HAS_HTONL)
3574 #if defined(htons) && !defined(HAS_HTONS)
3577 #if defined(ntohl) && !defined(HAS_NTOHL)
3580 #if defined(ntohs) && !defined(HAS_NTOHS)
3588 # if (BYTEORDER & 0xffff) == 0x4321
3589 /* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3590 re-order their values. However, to behave identically to the alternative
3591 implementations, they should truncate to the correct size. */
3592 # define ntohl(x) ((x)&0xFFFFFFFF)
3593 # define htonl(x) ntohl(x)
3594 # define ntohs(x) ((x)&0xFFFF)
3595 # define htons(x) ntohs(x)
3596 # elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3598 /* Note that we can't straight out declare our own htonl and htons because
3599 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3600 to avoid the overhead of initialising the socket subsystem, but the headers
3601 that *declare* the various functions are still seen. If we declare our own
3602 htonl etc they will clash with the declarations in the Win32 headers. */
3604 PERL_STATIC_INLINE U32
3605 my_swap32(const U32 x) {
3606 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3607 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3610 PERL_STATIC_INLINE U16
3611 my_swap16(const U16 x) {
3612 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3615 # define htonl(x) my_swap32(x)
3616 # define ntohl(x) my_swap32(x)
3617 # define ntohs(x) my_swap16(x)
3618 # define htons(x) my_swap16(x)
3620 # error "Unsupported byteorder"
3621 /* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3622 the error message. Please check the value of the macro BYTEORDER, as defined
3623 in config.h. The values of BYTEORDER we expect are
3625 big endian little endian
3626 32 bit 0x4321 0x1234
3627 64 bit 0x87654321 0x12345678
3629 If you have a system with a different byte order, please see
3630 pod/perlhack.pod for how to submit a patch to add supporting code.
3636 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3639 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3640 /* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3641 re-order their values. However, to behave identically to the alternative
3642 implementations, they should truncate to the correct size. */
3643 # define vtohl(x) ((x)&0xFFFFFFFF)
3644 # define vtohs(x) ((x)&0xFFFF)
3645 # define htovl(x) vtohl(x)
3646 # define htovs(x) vtohs(x)
3647 #elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
3648 # define vtohl(x) ((((x)&0xFF)<<24) \
3650 +(((x)&0x0000FF00)<<8) \
3651 +(((x)&0x00FF0000)>>8) )
3652 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3653 # define htovl(x) vtohl(x)
3654 # define htovs(x) vtohs(x)
3656 # error "Unsupported byteorder"
3657 /* If you have need for current perl on PDP-11 or similar, and can help test
3658 that blead keeps working on a mixed-endian system, then see
3659 pod/perlhack.pod for how to submit patches to things working again. */
3662 /* *MAX Plus 1. A floating point value.
3663 Hopefully expressed in a way that dodgy floating point can't mess up.
3664 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3666 May find that some broken compiler will want the value cast to I32.
3667 [after the shift, as signed >> may not be as secure as unsigned >>]
3669 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3670 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3671 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3672 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3673 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3675 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
3677 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3678 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3679 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3681 /* This may look like unnecessary jumping through hoops, but converting
3682 out of range floating point values to integers *is* undefined behaviour,
3683 and it is starting to bite.
3686 #define I_32(what) (cast_i32((NV)(what)))
3687 #define U_32(what) (cast_ulong((NV)(what)))
3688 #define I_V(what) (cast_iv((NV)(what)))
3689 #define U_V(what) (cast_uv((NV)(what)))
3691 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3692 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3693 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3694 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3695 : ((n) < U32_MAX_P1 ? (U32) (n) \
3696 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3697 #define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3698 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3699 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3700 #define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3701 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3702 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3705 #define U_S(what) ((U16)U_32(what))
3706 #define U_I(what) ((unsigned int)U_32(what))
3707 #define U_L(what) U_32(what)
3710 # define Perl_signbit signbit
3713 /* These do not care about the fractional part, only about the range. */
3714 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
3715 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
3717 /* Used with UV/IV arguments: */
3718 /* XXXX: need to speed it up */
3719 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3720 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3727 #if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
3728 Uid_t getuid (void);
3729 Uid_t geteuid (void);
3730 Gid_t getgid (void);
3731 Gid_t getegid (void);
3735 #ifndef Perl_debug_log
3736 # define Perl_debug_log PerlIO_stderr()
3739 #ifndef Perl_error_log
3740 # define Perl_error_log (PL_stderrgv \
3741 && isGV(PL_stderrgv) \
3742 && GvIOp(PL_stderrgv) \
3743 && IoOFP(GvIOp(PL_stderrgv)) \
3744 ? IoOFP(GvIOp(PL_stderrgv)) \
3749 #define DEBUG_p_FLAG 0x00000001 /* 1 */
3750 #define DEBUG_s_FLAG 0x00000002 /* 2 */
3751 #define DEBUG_l_FLAG 0x00000004 /* 4 */
3752 #define DEBUG_t_FLAG 0x00000008 /* 8 */
3753 #define DEBUG_o_FLAG 0x00000010 /* 16 */
3754 #define DEBUG_c_FLAG 0x00000020 /* 32 */
3755 #define DEBUG_P_FLAG 0x00000040 /* 64 */
3756 #define DEBUG_m_FLAG 0x00000080 /* 128 */
3757 #define DEBUG_f_FLAG 0x00000100 /* 256 */
3758 #define DEBUG_r_FLAG 0x00000200 /* 512 */
3759 #define DEBUG_x_FLAG 0x00000400 /* 1024 */
3760 #define DEBUG_u_FLAG 0x00000800 /* 2048 */
3761 /* U is reserved for Unofficial, exploratory hacking */
3762 #define DEBUG_U_FLAG 0x00001000 /* 4096 */
3764 #define DEBUG_X_FLAG 0x00004000 /* 16384 */
3765 #define DEBUG_D_FLAG 0x00008000 /* 32768 */
3766 #define DEBUG_S_FLAG 0x00010000 /* 65536 */
3767 #define DEBUG_T_FLAG 0x00020000 /* 131072 */
3768 #define DEBUG_R_FLAG 0x00040000 /* 262144 */
3769 #define DEBUG_J_FLAG 0x00080000 /* 524288 */
3770 #define DEBUG_v_FLAG 0x00100000 /*1048576 */
3771 #define DEBUG_C_FLAG 0x00200000 /*2097152 */
3772 #define DEBUG_A_FLAG 0x00400000 /*4194304 */
3773 #define DEBUG_q_FLAG 0x00800000 /*8388608 */
3774 #define DEBUG_M_FLAG 0x01000000 /*16777216*/
3775 #define DEBUG_B_FLAG 0x02000000 /*33554432*/
3776 #define DEBUG_L_FLAG 0x04000000 /*67108864*/
3777 #define DEBUG_i_FLAG 0x08000000 /*134217728*/
3778 #define DEBUG_MASK 0x0FFFEFFF /* mask of all the standard flags */
3780 #define DEBUG_DB_RECURSE_FLAG 0x40000000
3781 #define DEBUG_TOP_FLAG 0x80000000 /* -D was given --> PL_debug |= FLAG */
3783 # define DEBUG_p_TEST_ UNLIKELY(PL_debug & DEBUG_p_FLAG)
3784 # define DEBUG_s_TEST_ UNLIKELY(PL_debug & DEBUG_s_FLAG)
3785 # define DEBUG_l_TEST_ UNLIKELY(PL_debug & DEBUG_l_FLAG)
3786 # define DEBUG_t_TEST_ UNLIKELY(PL_debug & DEBUG_t_FLAG)
3787 # define DEBUG_o_TEST_ UNLIKELY(PL_debug & DEBUG_o_FLAG)
3788 # define DEBUG_c_TEST_ UNLIKELY(PL_debug & DEBUG_c_FLAG)
3789 # define DEBUG_P_TEST_ UNLIKELY(PL_debug & DEBUG_P_FLAG)
3790 # define DEBUG_m_TEST_ UNLIKELY(PL_debug & DEBUG_m_FLAG)
3791 # define DEBUG_f_TEST_ UNLIKELY(PL_debug & DEBUG_f_FLAG)
3792 # define DEBUG_r_TEST_ UNLIKELY(PL_debug & DEBUG_r_FLAG)
3793 # define DEBUG_x_TEST_ UNLIKELY(PL_debug & DEBUG_x_FLAG)
3794 # define DEBUG_u_TEST_ UNLIKELY(PL_debug & DEBUG_u_FLAG)
3795 # define DEBUG_U_TEST_ UNLIKELY(PL_debug & DEBUG_U_FLAG)
3796 # define DEBUG_X_TEST_ UNLIKELY(PL_debug & DEBUG_X_FLAG)
3797 # define DEBUG_D_TEST_ UNLIKELY(PL_debug & DEBUG_D_FLAG)
3798 # define DEBUG_S_TEST_ UNLIKELY(PL_debug & DEBUG_S_FLAG)
3799 # define DEBUG_T_TEST_ UNLIKELY(PL_debug & DEBUG_T_FLAG)
3800 # define DEBUG_R_TEST_ UNLIKELY(PL_debug & DEBUG_R_FLAG)
3801 # define DEBUG_J_TEST_ UNLIKELY(PL_debug & DEBUG_J_FLAG)
3802 # define DEBUG_v_TEST_ UNLIKELY(PL_debug & DEBUG_v_FLAG)
3803 # define DEBUG_C_TEST_ UNLIKELY(PL_debug & DEBUG_C_FLAG)
3804 # define DEBUG_A_TEST_ UNLIKELY(PL_debug & DEBUG_A_FLAG)
3805 # define DEBUG_q_TEST_ UNLIKELY(PL_debug & DEBUG_q_FLAG)
3806 # define DEBUG_M_TEST_ UNLIKELY(PL_debug & DEBUG_M_FLAG)
3807 # define DEBUG_B_TEST_ UNLIKELY(PL_debug & DEBUG_B_FLAG)
3808 # define DEBUG_L_TEST_ UNLIKELY(PL_debug & DEBUG_L_FLAG)
3809 # define DEBUG_i_TEST_ UNLIKELY(PL_debug & DEBUG_i_FLAG)
3810 # define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
3811 # define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
3812 # define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
3813 # define DEBUG_Lv_TEST_ (DEBUG_L_TEST_ && DEBUG_v_TEST_)
3817 # define DEBUG_p_TEST DEBUG_p_TEST_
3818 # define DEBUG_s_TEST DEBUG_s_TEST_
3819 # define DEBUG_l_TEST DEBUG_l_TEST_
3820 # define DEBUG_t_TEST DEBUG_t_TEST_
3821 # define DEBUG_o_TEST DEBUG_o_TEST_
3822 # define DEBUG_c_TEST DEBUG_c_TEST_
3823 # define DEBUG_P_TEST DEBUG_P_TEST_
3824 # define DEBUG_m_TEST DEBUG_m_TEST_
3825 # define DEBUG_f_TEST DEBUG_f_TEST_
3826 # define DEBUG_r_TEST DEBUG_r_TEST_
3827 # define DEBUG_x_TEST DEBUG_x_TEST_
3828 # define DEBUG_u_TEST DEBUG_u_TEST_
3829 # define DEBUG_U_TEST DEBUG_U_TEST_
3830 # define DEBUG_X_TEST DEBUG_X_TEST_
3831 # define DEBUG_D_TEST DEBUG_D_TEST_
3832 # define DEBUG_S_TEST DEBUG_S_TEST_
3833 # define DEBUG_T_TEST DEBUG_T_TEST_
3834 # define DEBUG_R_TEST DEBUG_R_TEST_
3835 # define DEBUG_J_TEST DEBUG_J_TEST_
3836 # define DEBUG_v_TEST DEBUG_v_TEST_
3837 # define DEBUG_C_TEST DEBUG_C_TEST_
3838 # define DEBUG_A_TEST DEBUG_A_TEST_
3839 # define DEBUG_q_TEST DEBUG_q_TEST_
3840 # define DEBUG_M_TEST DEBUG_M_TEST_
3841 # define DEBUG_B_TEST DEBUG_B_TEST_
3842 # define DEBUG_L_TEST DEBUG_L_TEST_
3843 # define DEBUG_i_TEST DEBUG_i_TEST_
3844 # define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3845 # define DEBUG_Uv_TEST DEBUG_Uv_TEST_
3846 # define DEBUG_Pv_TEST DEBUG_Pv_TEST_
3847 # define DEBUG_Lv_TEST DEBUG_Lv_TEST_
3849 # define PERL_DEB(a) a
3850 # define PERL_DEB2(a,b) a
3851 # define PERL_DEBUG(a) if (PL_debug) a
3852 # define DEBUG_p(a) if (DEBUG_p_TEST) a
3853 # define DEBUG_s(a) if (DEBUG_s_TEST) a
3854 # define DEBUG_l(a) if (DEBUG_l_TEST) a
3855 # define DEBUG_t(a) if (DEBUG_t_TEST) a
3856 # define DEBUG_o(a) if (DEBUG_o_TEST) a
3857 # define DEBUG_c(a) if (DEBUG_c_TEST) a
3858 # define DEBUG_P(a) if (DEBUG_P_TEST) a
3860 /* Temporarily turn off memory debugging in case the a
3861 * does memory allocation, either directly or indirectly. */
3862 # define DEBUG_m(a) \
3864 if (PERL_GET_INTERP) { \
3866 if (DEBUG_m_TEST) { \
3867 PL_debug &= ~DEBUG_m_FLAG; \
3869 PL_debug |= DEBUG_m_FLAG; \
3874 # define DEBUG__(t, a) \
3876 if (t) STMT_START {a;} STMT_END; \
3879 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3881 #ifndef PERL_EXT_RE_BUILD
3882 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3884 # define DEBUG_r(a) STMT_START {a;} STMT_END
3885 #endif /* PERL_EXT_RE_BUILD */
3887 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3888 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
3889 # define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
3890 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3891 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
3892 # define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3893 # define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
3894 # define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
3895 # define DEBUG_Lv(a) DEBUG__(DEBUG_Lv_TEST, a)
3897 # define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
3898 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3899 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
3900 # define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
3901 # define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
3902 # define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3903 # define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
3904 # define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
3905 # define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
3906 # define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
3907 # define DEBUG_i(a) DEBUG__(DEBUG_i_TEST, a)
3909 #else /* DEBUGGING */
3911 # define DEBUG_p_TEST (0)
3912 # define DEBUG_s_TEST (0)
3913 # define DEBUG_l_TEST (0)
3914 # define DEBUG_t_TEST (0)
3915 # define DEBUG_o_TEST (0)
3916 # define DEBUG_c_TEST (0)
3917 # define DEBUG_P_TEST (0)
3918 # define DEBUG_m_TEST (0)
3919 # define DEBUG_f_TEST (0)
3920 # define DEBUG_r_TEST (0)
3921 # define DEBUG_x_TEST (0)
3922 # define DEBUG_u_TEST (0)
3923 # define DEBUG_U_TEST (0)
3924 # define DEBUG_X_TEST (0)
3925 # define DEBUG_D_TEST (0)
3926 # define DEBUG_S_TEST (0)
3927 # define DEBUG_T_TEST (0)
3928 # define DEBUG_R_TEST (0)
3929 # define DEBUG_J_TEST (0)
3930 # define DEBUG_v_TEST (0)
3931 # define DEBUG_C_TEST (0)
3932 # define DEBUG_A_TEST (0)
3933 # define DEBUG_q_TEST (0)
3934 # define DEBUG_M_TEST (0)
3935 # define DEBUG_B_TEST (0)
3936 # define DEBUG_L_TEST (0)
3937 # define DEBUG_i_TEST (0)
3938 # define DEBUG_Xv_TEST (0)
3939 # define DEBUG_Uv_TEST (0)
3940 # define DEBUG_Pv_TEST (0)
3941 # define DEBUG_Lv_TEST (0)
3943 # define PERL_DEB(a)
3944 # define PERL_DEB2(a,b) b
3945 # define PERL_DEBUG(a)
3972 # define DEBUG_Xv(a)
3973 # define DEBUG_Uv(a)
3974 # define DEBUG_Pv(a)
3975 # define DEBUG_Lv(a)
3976 #endif /* DEBUGGING */
3979 #define DEBUG_SCOPE(where) \
3981 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3982 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
3983 __FILE__, __LINE__));
3985 /* Keep the old croak based assert for those who want it, and as a fallback if
3986 the platform is so heretically non-ANSI that it can't assert. */
3988 #define Perl_assert(what) PERL_DEB2( \
3989 ((what) ? ((void) 0) : \
3990 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
3991 "\", line %d", STRINGIFY(what), __LINE__), \
3992 (void) 0)), ((void)0))
3994 /* assert() gets defined if DEBUGGING (and I_ASSERT).
3995 * If no DEBUGGING, the <assert.h> has not been included. */
3997 # define assert(what) Perl_assert(what)
4000 # define assert_(what) assert(what),
4002 # define assert_(what)
4006 I32 (*uf_val)(pTHX_ IV, SV*);
4007 I32 (*uf_set)(pTHX_ IV, SV*);
4011 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
4012 * XS code wanting to be backward compatible can do something
4013 * like the following:
4015 #ifndef PERL_MG_UFUNC
4016 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
4019 static PERL_MG_UFUNC(foo_get, index, val)
4029 #ifndef PERL_MG_UFUNC
4030 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
4033 /* Fix these up for __STDC__ */
4034 #ifndef DONT_DECLARE_STD
4035 char *mktemp (char*);
4037 double atof (const char*);
4042 /* All of these are in stdlib.h or time.h for ANSI C */
4044 struct tm *gmtime(), *localtime();
4046 char *(strcpy)(), *(strcat)();
4048 char *strcpy(), *strcat();
4050 #endif /* ! STANDARD_C */
4056 /* isfinite and others are here rather than in math.h as C99 stipulates */
4061 double exp (double);
4062 double log (double);
4063 double log10 (double);
4064 double sqrt (double);
4065 double frexp (double,int*);
4066 double ldexp (double,int);
4067 double modf (double,double*);
4068 double sin (double);
4069 double cos (double);
4070 double atan2 (double,double);
4071 double pow (double,double);
4076 # if !defined(WIN32) && !defined(VMS)
4078 char *crypt (const char*, const char*);
4080 # endif /* !WIN32 */
4081 # ifndef DONT_DECLARE_STD
4083 char *getenv (const char*);
4084 # endif /* !getenv */
4085 # if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
4086 # ifdef _FILE_OFFSET_BITS
4087 # if _FILE_OFFSET_BITS == 64
4088 Off_t lseek (int,Off_t,int);
4092 # endif /* !DONT_DECLARE_STD */
4095 char *getlogin (void);
4097 # endif /* !WIN32 */
4098 #endif /* !__cplusplus */
4100 /* Fixme on VMS. This needs to be a run-time, not build time options */
4101 /* Also rename() is affected by this */
4102 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
4103 #define UNLINK unlnk
4104 I32 unlnk (pTHX_ const char*);
4106 #define UNLINK PerlLIO_unlink
4109 /* some versions of glibc are missing the setresuid() proto */
4110 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
4111 int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4113 /* some versions of glibc are missing the setresgid() proto */
4114 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
4115 int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4118 #ifndef HAS_SETREUID
4119 # ifdef HAS_SETRESUID
4120 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4121 # define HAS_SETREUID
4124 #ifndef HAS_SETREGID
4125 # ifdef HAS_SETRESGID
4126 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4127 # define HAS_SETREGID
4131 /* Sighandler_t defined in iperlsys.h */
4133 #ifdef HAS_SIGACTION
4134 typedef struct sigaction Sigsave_t;
4136 typedef Sighandler_t Sigsave_t;
4147 # define RUNOPS_DEFAULT Perl_runops_debug
4149 # define RUNOPS_DEFAULT Perl_runops_standard
4152 #if defined(USE_PERLIO)
4153 EXTERN_C void PerlIO_teardown(void);
4154 # ifdef USE_ITHREADS
4155 # define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4156 # define PERLIO_TERM \
4158 PerlIO_teardown(); \
4159 MUTEX_DESTROY(&PL_perlio_mutex);\
4162 # define PERLIO_INIT
4163 # define PERLIO_TERM PerlIO_teardown()
4166 # define PERLIO_INIT
4167 # define PERLIO_TERM
4171 # ifdef MUTEX_INIT_CALLS_MALLOC
4172 # define MALLOC_INIT \
4174 PL_malloc_mutex = NULL; \
4175 MUTEX_INIT(&PL_malloc_mutex); \
4177 # define MALLOC_TERM \
4179 perl_mutex tmp = PL_malloc_mutex; \
4180 PL_malloc_mutex = NULL; \
4181 MUTEX_DESTROY(&tmp); \
4184 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4185 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4188 # define MALLOC_INIT
4189 # define MALLOC_TERM
4192 #if defined(PERL_IMPLICIT_CONTEXT)
4194 struct perl_memory_debug_header;
4195 struct perl_memory_debug_header {
4197 # if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
4200 struct perl_memory_debug_header *prev;
4201 struct perl_memory_debug_header *next;
4202 # ifdef PERL_DEBUG_READONLY_COW
4207 #elif defined(PERL_DEBUG_READONLY_COW)
4209 struct perl_memory_debug_header;
4210 struct perl_memory_debug_header {
4216 #if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
4218 # define PERL_MEMORY_DEBUG_HEADER_SIZE \
4219 (sizeof(struct perl_memory_debug_header) + \
4220 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4221 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4224 # define PERL_MEMORY_DEBUG_HEADER_SIZE 0
4227 #ifdef PERL_TRACK_MEMPOOL
4228 # ifdef PERL_DEBUG_READONLY_COW
4229 # define INIT_TRACK_MEMPOOL(header, interp) \
4231 (header).interpreter = (interp); \
4232 (header).prev = (header).next = &(header); \
4233 (header).readonly = 0; \
4236 # define INIT_TRACK_MEMPOOL(header, interp) \
4238 (header).interpreter = (interp); \
4239 (header).prev = (header).next = &(header); \
4243 # define INIT_TRACK_MEMPOOL(header, interp)
4246 #ifdef I_MALLOCMALLOC
4247 /* Needed for malloc_size(), malloc_good_size() on some systems */
4248 # include <malloc/malloc.h>
4252 # define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
4254 # if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
4255 # ifdef PERL_TRACK_MEMPOOL
4256 # define Perl_safesysmalloc_size(where) \
4257 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4259 # define Perl_safesysmalloc_size(where) malloc_size(where)
4262 # ifdef HAS_MALLOC_GOOD_SIZE
4263 # ifdef PERL_TRACK_MEMPOOL
4264 # define Perl_malloc_good_size(how_much) \
4265 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4267 # define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4270 /* Having this as the identity operation makes some code simpler. */
4271 # define Perl_malloc_good_size(how_much) (how_much)
4275 typedef int (*runops_proc_t)(pTHX);
4276 typedef void (*share_proc_t) (pTHX_ SV *sv);
4277 typedef int (*thrhook_proc_t) (pTHX);
4278 typedef OP* (*PPADDR_t[]) (pTHX);
4279 typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4280 typedef void (*despatch_signals_proc_t) (pTHX);
4282 #if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4283 # include <crt_externs.h> /* for the env array */
4284 # define environ (*_NSGetEnviron())
4285 #elif defined(USE_ENVIRON_ARRAY)
4286 /* VMS and some other platforms don't use the environ array */
4287 # if !defined(DONT_DECLARE_STD) || \
4288 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
4290 extern char ** environ; /* environment variables supplied via exec */
4294 #define PERL_PATCHLEVEL_H_IMPLICIT
4295 #include "patchlevel.h"
4296 #undef PERL_PATCHLEVEL_H_IMPLICIT
4298 #define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4299 STRINGIFY(PERL_VERSION) "." \
4300 STRINGIFY(PERL_SUBVERSION)
4302 #define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4303 STRINGIFY(PERL_API_VERSION) "." \
4304 STRINGIFY(PERL_API_SUBVERSION)
4308 /* handy constants */
4309 EXTCONST char PL_warn_uninit[]
4310 INIT("Use of uninitialized value%s%s%s");
4311 EXTCONST char PL_warn_uninit_sv[]
4312 INIT("Use of uninitialized value%" SVf "%s%s");
4313 EXTCONST char PL_warn_nosemi[]
4314 INIT("Semicolon seems to be missing");
4315 EXTCONST char PL_warn_reserved[]
4316 INIT("Unquoted string \"%s\" may clash with future reserved word");
4317 EXTCONST char PL_warn_nl[]
4318 INIT("Unsuccessful %s on filename containing newline");
4319 EXTCONST char PL_no_wrongref[]
4320 INIT("Can't use %s ref as %s ref");
4321 /* The core no longer needs this here. If you require the string constant,
4322 please inline a copy into your own code. */
4323 EXTCONST char PL_no_symref[] __attribute__deprecated__
4324 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
4325 EXTCONST char PL_no_symref_sv[]
4326 INIT("Can't use string (\"%" SVf32 "\"%s) as %s ref while \"strict refs\" in use");
4328 EXTCONST char PL_no_usym[]
4329 INIT("Can't use an undefined value as %s reference");
4330 EXTCONST char PL_no_aelem[]
4331 INIT("Modification of non-creatable array value attempted, subscript %d");
4332 EXTCONST char PL_no_helem_sv[]
4333 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
4334 EXTCONST char PL_no_modify[]
4335 INIT("Modification of a read-only value attempted");
4336 EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
4337 INIT("Out of memory!\n");
4338 EXTCONST char PL_no_security[]
4339 INIT("Insecure dependency in %s%s");
4340 EXTCONST char PL_no_sock_func[]
4341 INIT("Unsupported socket function \"%s\" called");
4342 EXTCONST char PL_no_dir_func[]
4343 INIT("Unsupported directory function \"%s\" called");
4344 EXTCONST char PL_no_func[]
4345 INIT("The %s function is unimplemented");
4346 EXTCONST char PL_no_myglob[]
4347 INIT("\"%s\" %se %s can't be in a package");
4348 EXTCONST char PL_no_localize_ref[]
4349 INIT("Can't localize through a reference");
4350 EXTCONST char PL_memory_wrap[]
4351 INIT("panic: memory wrap");
4353 EXTCONST char PL_Yes[]
4355 EXTCONST char PL_No[]
4357 EXTCONST char PL_Zero[]
4359 EXTCONST char PL_hexdigit[]
4360 INIT("0123456789abcdef0123456789ABCDEF");
4362 /* This is constant on most architectures, a global on OS/2 */
4364 EXTCONST char PL_sh_path[]
4365 INIT(SH_PATH); /* full path of shell */
4369 EXTCONST char PL_cshname[]
4371 # define PL_cshlen (sizeof(CSH "") - 1)
4374 /* These are baked at compile time into any shared perl library.
4375 In future releases this will allow us in main() to sanity test the
4376 library we're linking against. */
4378 EXTCONST U8 PL_revision
4379 INIT(PERL_REVISION);
4380 EXTCONST U8 PL_version
4382 EXTCONST U8 PL_subversion
4383 INIT(PERL_SUBVERSION);
4385 EXTCONST char PL_uuemap[65]
4386 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4388 /* a special string address whose value is "isa", but which perl knows
4389 * to treat as if it were really "DOES" when printing the method name in
4390 * the "Can't call method '%s'" error message */
4391 EXTCONST char PL_isa_DOES[]
4395 EXTCONST char PL_uudmap[256] =
4397 # include "uuudmap.h"
4399 # include "uudmap.h"
4402 EXTCONST char PL_bitcount[256] =
4404 # include "ubitcount.h"
4406 # include "bitcount.h"
4409 EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4410 EXTCONST int PL_sig_num[] = { SIG_NUM };
4412 EXTCONST char PL_uudmap[256];
4413 EXTCONST char PL_bitcount[256];
4414 EXTCONST char* const PL_sig_name[];
4415 EXTCONST int PL_sig_num[];
4418 /* fast conversion and case folding tables. The folding tables complement the
4419 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4420 * folds such as outside the range or to multiple characters. */
4425 /* The EBCDIC fold table depends on the code page, and hence is found in
4428 EXTCONST unsigned char PL_fold[] = {
4429 0, 1, 2, 3, 4, 5, 6, 7,
4430 8, 9, 10, 11, 12, 13, 14, 15,
4431 16, 17, 18, 19, 20, 21, 22, 23,
4432 24, 25, 26, 27, 28, 29, 30, 31,
4433 32, 33, 34, 35, 36, 37, 38, 39,
4434 40, 41, 42, 43, 44, 45, 46, 47,
4435 48, 49, 50, 51, 52, 53, 54, 55,
4436 56, 57, 58, 59, 60, 61, 62, 63,
4437 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4438 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4439 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4440 'x', 'y', 'z', 91, 92, 93, 94, 95,
4441 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4442 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4443 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4444 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4445 128, 129, 130, 131, 132, 133, 134, 135,
4446 136, 137, 138, 139, 140, 141, 142, 143,
4447 144, 145, 146, 147, 148, 149, 150, 151,
4448 152, 153, 154, 155, 156, 157, 158, 159,
4449 160, 161, 162, 163, 164, 165, 166, 167,
4450 168, 169, 170, 171, 172, 173, 174, 175,
4451 176, 177, 178, 179, 180, 181, 182, 183,
4452 184, 185, 186, 187, 188, 189, 190, 191,
4453 192, 193, 194, 195, 196, 197, 198, 199,
4454 200, 201, 202, 203, 204, 205, 206, 207,
4455 208, 209, 210, 211, 212, 213, 214, 215,
4456 216, 217, 218, 219, 220, 221, 222, 223,
4457 224, 225, 226, 227, 228, 229, 230, 231,
4458 232, 233, 234, 235, 236, 237, 238, 239,
4459 240, 241, 242, 243, 244, 245, 246, 247,
4460 248, 249, 250, 251, 252, 253, 254, 255
4462 EXTCONST unsigned char PL_fold_latin1[] = {
4463 /* Full latin1 complement folding, except for three problematic code points:
4464 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4465 * fold complements outside the Latin1 range, so can't match something
4466 * that isn't in utf8.
4467 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4468 * not one, so can't be represented in this table.
4470 * All have to be specially handled */
4471 0, 1, 2, 3, 4, 5, 6, 7,
4472 8, 9, 10, 11, 12, 13, 14, 15,
4473 16, 17, 18, 19, 20, 21, 22, 23,
4474 24, 25, 26, 27, 28, 29, 30, 31,
4475 32, 33, 34, 35, 36, 37, 38, 39,
4476 40, 41, 42, 43, 44, 45, 46, 47,
4477 48, 49, 50, 51, 52, 53, 54, 55,
4478 56, 57, 58, 59, 60, 61, 62, 63,
4479 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4480 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4481 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4482 'x', 'y', 'z', 91, 92, 93, 94, 95,
4483 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4484 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4485 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4486 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4487 128, 129, 130, 131, 132, 133, 134, 135,
4488 136, 137, 138, 139, 140, 141, 142, 143,
4489 144, 145, 146, 147, 148, 149, 150, 151,
4490 152, 153, 154, 155, 156, 157, 158, 159,
4491 160, 161, 162, 163, 164, 165, 166, 167,
4492 168, 169, 170, 171, 172, 173, 174, 175,
4493 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4494 184, 185, 186, 187, 188, 189, 190, 191,
4495 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4496 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4497 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4498 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4499 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4500 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4501 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4502 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4503 255 /* y with diaeresis */
4506 /* If these tables are accessed through ebcdic, the access will be converted to
4508 EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4509 0, 1, 2, 3, 4, 5, 6, 7,
4510 8, 9, 10, 11, 12, 13, 14, 15,
4511 16, 17, 18, 19, 20, 21, 22, 23,
4512 24, 25, 26, 27, 28, 29, 30, 31,
4513 32, 33, 34, 35, 36, 37, 38, 39,
4514 40, 41, 42, 43, 44, 45, 46, 47,
4515 48, 49, 50, 51, 52, 53, 54, 55,
4516 56, 57, 58, 59, 60, 61, 62, 63,
4517 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4518 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4519 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4520 'x', 'y', 'z', 91, 92, 93, 94, 95,
4521 96, 97, 98, 99, 100, 101, 102, 103,
4522 104, 105, 106, 107, 108, 109, 110, 111,
4523 112, 113, 114, 115, 116, 117, 118, 119,
4524 120, 121, 122, 123, 124, 125, 126, 127,
4525 128, 129, 130, 131, 132, 133, 134, 135,
4526 136, 137, 138, 139, 140, 141, 142, 143,
4527 144, 145, 146, 147, 148, 149, 150, 151,
4528 152, 153, 154, 155, 156, 157, 158, 159,
4529 160, 161, 162, 163, 164, 165, 166, 167,
4530 168, 169, 170, 171, 172, 173, 174, 175,
4531 176, 177, 178, 179, 180, 181, 182, 183,
4532 184, 185, 186, 187, 188, 189, 190, 191,
4533 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4534 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4535 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4536 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4537 224, 225, 226, 227, 228, 229, 230, 231,
4538 232, 233, 234, 235, 236, 237, 238, 239,
4539 240, 241, 242, 243, 244, 245, 246, 247,
4540 248, 249, 250, 251, 252, 253, 254, 255
4543 /* upper and title case of latin1 characters, modified so that the three tricky
4544 * ones are mapped to 255 (which is one of the three) */
4545 EXTCONST unsigned char PL_mod_latin1_uc[] = {
4546 0, 1, 2, 3, 4, 5, 6, 7,
4547 8, 9, 10, 11, 12, 13, 14, 15,
4548 16, 17, 18, 19, 20, 21, 22, 23,
4549 24, 25, 26, 27, 28, 29, 30, 31,
4550 32, 33, 34, 35, 36, 37, 38, 39,
4551 40, 41, 42, 43, 44, 45, 46, 47,
4552 48, 49, 50, 51, 52, 53, 54, 55,
4553 56, 57, 58, 59, 60, 61, 62, 63,
4554 64, 65, 66, 67, 68, 69, 70, 71,
4555 72, 73, 74, 75, 76, 77, 78, 79,
4556 80, 81, 82, 83, 84, 85, 86, 87,
4557 88, 89, 90, 91, 92, 93, 94, 95,
4558 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4559 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4560 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4561 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4562 128, 129, 130, 131, 132, 133, 134, 135,
4563 136, 137, 138, 139, 140, 141, 142, 143,
4564 144, 145, 146, 147, 148, 149, 150, 151,
4565 152, 153, 154, 155, 156, 157, 158, 159,
4566 160, 161, 162, 163, 164, 165, 166, 167,
4567 168, 169, 170, 171, 172, 173, 174, 175,
4568 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4569 184, 185, 186, 187, 188, 189, 190, 191,
4570 192, 193, 194, 195, 196, 197, 198, 199,
4571 200, 201, 202, 203, 204, 205, 206, 207,
4572 208, 209, 210, 211, 212, 213, 214, 215,
4573 216, 217, 218, 219, 220, 221, 222,
4574 #if UNICODE_MAJOR_VERSION > 2 \
4575 || (UNICODE_MAJOR_VERSION == 2 && UNICODE_DOT_VERSION >= 1 \
4576 && UNICODE_DOT_DOT_VERSION >= 8)
4578 #else /* uc() is itself in early unicode */
4581 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4582 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4583 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4584 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4586 #endif /* !EBCDIC, but still in DOINIT */
4587 #else /* ! DOINIT */
4589 EXTCONST unsigned char PL_fold[];
4590 EXTCONST unsigned char PL_fold_latin1[];
4591 EXTCONST unsigned char PL_mod_latin1_uc[];
4592 EXTCONST unsigned char PL_latin1_lc[];
4596 #ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
4598 EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
4599 0, 1, 2, 3, 4, 5, 6, 7,
4600 8, 9, 10, 11, 12, 13, 14, 15,
4601 16, 17, 18, 19, 20, 21, 22, 23,
4602 24, 25, 26, 27, 28, 29, 30, 31,
4603 32, 33, 34, 35, 36, 37, 38, 39,
4604 40, 41, 42, 43, 44, 45, 46, 47,
4605 48, 49, 50, 51, 52, 53, 54, 55,
4606 56, 57, 58, 59, 60, 61, 62, 63,
4607 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4608 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4609 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4610 'x', 'y', 'z', 91, 92, 93, 94, 95,
4611 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4612 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4613 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4614 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4615 128, 129, 130, 131, 132, 133, 134, 135,
4616 136, 137, 138, 139, 140, 141, 142, 143,
4617 144, 145, 146, 147, 148, 149, 150, 151,
4618 152, 153, 154, 155, 156, 157, 158, 159,
4619 160, 161, 162, 163, 164, 165, 166, 167,
4620 168, 169, 170, 171, 172, 173, 174, 175,
4621 176, 177, 178, 179, 180, 181, 182, 183,
4622 184, 185, 186, 187, 188, 189, 190, 191,
4623 192, 193, 194, 195, 196, 197, 198, 199,
4624 200, 201, 202, 203, 204, 205, 206, 207,
4625 208, 209, 210, 211, 212, 213, 214, 215,
4626 216, 217, 218, 219, 220, 221, 222, 223,
4627 224, 225, 226, 227, 228, 229, 230, 231,
4628 232, 233, 234, 235, 236, 237, 238, 239,
4629 240, 241, 242, 243, 244, 245, 246, 247,
4630 248, 249, 250, 251, 252, 253, 254, 255
4633 EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
4635 #endif /* !PERL_GLOBAL_STRUCT */
4639 EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
4640 1, 2, 84, 151, 154, 155, 156, 157,
4641 165, 246, 250, 3, 158, 7, 18, 29,
4642 40, 51, 62, 73, 85, 96, 107, 118,
4643 129, 140, 147, 148, 149, 150, 152, 153,
4644 255, 6, 8, 9, 10, 11, 12, 13,
4645 14, 15, 24, 25, 26, 27, 28, 226,
4646 29, 30, 31, 32, 33, 43, 44, 45,
4647 46, 47, 48, 49, 50, 76, 77, 78,
4648 79, 80, 81, 82, 83, 84, 85, 86,
4649 87, 94, 95, 234, 181, 233, 187, 190,
4650 180, 96, 97, 98, 99, 100, 101, 102,
4651 104, 112, 182, 174, 236, 232, 229, 103,
4652 228, 226, 114, 115, 116, 117, 118, 119,
4653 120, 121, 122, 235, 176, 230, 194, 162,
4654 130, 131, 132, 133, 134, 135, 136, 137,
4655 138, 139, 201, 205, 163, 217, 220, 224,
4656 5, 248, 227, 244, 242, 255, 241, 231,
4657 240, 253, 16, 197, 19, 20, 21, 187,
4658 23, 169, 210, 245, 237, 249, 247, 239,
4659 168, 252, 34, 196, 36, 37, 38, 39,
4660 41, 42, 251, 254, 238, 223, 221, 213,
4661 225, 177, 52, 53, 54, 55, 56, 57,
4662 58, 59, 60, 61, 63, 64, 65, 66,
4663 67, 68, 69, 70, 71, 72, 74, 75,
4664 205, 208, 186, 202, 200, 218, 198, 179,
4665 178, 214, 88, 89, 90, 91, 92, 93,
4666 217, 166, 170, 207, 199, 209, 206, 204,
4667 160, 212, 105, 106, 108, 109, 110, 111,
4668 203, 113, 216, 215, 192, 175, 193, 243,
4669 172, 161, 123, 124, 125, 126, 127, 128,
4670 222, 219, 211, 195, 188, 193, 185, 184,
4671 191, 183, 141, 142, 143, 144, 145, 146
4673 #else /* ascii rather than ebcdic */
4674 EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
4675 1, 2, 84, 151, 154, 155, 156, 157,
4676 165, 246, 250, 3, 158, 7, 18, 29,
4677 40, 51, 62, 73, 85, 96, 107, 118,
4678 129, 140, 147, 148, 149, 150, 152, 153,
4679 255, 182, 224, 205, 174, 176, 180, 217,
4680 233, 232, 236, 187, 235, 228, 234, 226,
4681 222, 219, 211, 195, 188, 193, 185, 184,
4682 191, 183, 201, 229, 181, 220, 194, 162,
4683 163, 208, 186, 202, 200, 218, 198, 179,
4684 178, 214, 166, 170, 207, 199, 209, 206,
4685 204, 160, 212, 216, 215, 192, 175, 173,
4686 243, 172, 161, 190, 203, 189, 164, 230,
4687 167, 248, 227, 244, 242, 255, 241, 231,
4688 240, 253, 169, 210, 245, 237, 249, 247,
4689 239, 168, 252, 251, 254, 238, 223, 221,
4690 213, 225, 177, 197, 171, 196, 159, 4,
4691 5, 6, 8, 9, 10, 11, 12, 13,
4692 14, 15, 16, 17, 19, 20, 21, 22,
4693 23, 24, 25, 26, 27, 28, 30, 31,
4694 32, 33, 34, 35, 36, 37, 38, 39,
4695 41, 42, 43, 44, 45, 46, 47, 48,
4696 49, 50, 52, 53, 54, 55, 56, 57,
4697 58, 59, 60, 61, 63, 64, 65, 66,
4698 67, 68, 69, 70, 71, 72, 74, 75,
4699 76, 77, 78, 79, 80, 81, 82, 83,
4700 86, 87, 88, 89, 90, 91, 92, 93,
4701 94, 95, 97, 98, 99, 100, 101, 102,
4702 103, 104, 105, 106, 108, 109, 110, 111,
4703 112, 113, 114, 115, 116, 117, 119, 120,
4704 121, 122, 123, 124, 125, 126, 127, 128,
4705 130, 131, 132, 133, 134, 135, 136, 137,
4706 138, 139, 141, 142, 143, 144, 145, 146
4710 EXTCONST unsigned char PL_freq[];
4713 /* Although only used for debugging, these constants must be available in
4714 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4715 * which has DEBUGGING enabled always */
4717 EXTCONST char* const PL_block_type[] = {
4733 EXTCONST char* PL_block_type[];
4736 /* These are all the compile time options that affect binary compatibility.
4737 Other compile time options that are binary compatible are in perl.c
4738 (in S_Internals_V()). Both are combined for the output of perl -V
4739 However, this string will be embedded in any shared perl library, which will
4740 allow us add a comparison check in perlmain.c in the near future. */
4742 EXTCONST char PL_bincompat_options[] =
4743 # ifdef DEBUG_LEAKING_SCALARS
4744 " DEBUG_LEAKING_SCALARS"
4746 # ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4747 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4755 # ifdef HAVE_INTERP_INTERN
4756 " HAVE_INTERP_INTERN"
4758 # ifdef MULTIPLICITY
4764 # ifdef PERLIO_LAYERS
4767 # ifdef PERL_DEBUG_READONLY_COW
4768 " PERL_DEBUG_READONLY_COW"
4770 # ifdef PERL_DEBUG_READONLY_OPS
4771 " PERL_DEBUG_READONLY_OPS"
4773 # ifdef PERL_GLOBAL_STRUCT
4774 " PERL_GLOBAL_STRUCT"
4776 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
4777 " PERL_GLOBAL_STRUCT_PRIVATE"
4779 # ifdef PERL_IMPLICIT_CONTEXT
4780 " PERL_IMPLICIT_CONTEXT"
4782 # ifdef PERL_IMPLICIT_SYS
4783 " PERL_IMPLICIT_SYS"
4788 # ifdef PERL_NEED_APPCTX
4791 # ifdef PERL_NEED_TIMESBASE
4792 " PERL_NEED_TIMESBASE"
4797 # ifdef PERL_SAWAMPERSAND
4798 " PERL_SAWAMPERSAND"
4800 # ifdef PERL_TRACK_MEMPOOL
4801 " PERL_TRACK_MEMPOOL"
4803 # ifdef PERL_USES_PL_PIDSTATUS
4804 " PERL_USES_PL_PIDSTATUS"
4806 # ifdef USE_64_BIT_ALL
4809 # ifdef USE_64_BIT_INT
4815 # ifdef USE_ITHREADS
4818 # ifdef USE_LARGE_FILES
4821 # ifdef USE_LOCALE_COLLATE
4822 " USE_LOCALE_COLLATE"
4824 # ifdef USE_LOCALE_NUMERIC
4825 " USE_LOCALE_NUMERIC"
4827 # ifdef USE_LOCALE_TIME
4830 # ifdef USE_LONG_DOUBLE
4836 # ifdef USE_QUADMATH
4839 # ifdef USE_REENTRANT_API
4840 " USE_REENTRANT_API"
4845 # ifdef VMS_DO_SOCKETS
4848 # ifdef VMS_SHORTEN_LONG_SYMBOLS
4849 " VMS_SHORTEN_LONG_SYMBOLS"
4851 # ifdef VMS_WE_ARE_CASE_SENSITIVE
4852 " VMS_SYMBOL_CASE_AS_IS"
4856 EXTCONST char PL_bincompat_options[];
4859 #ifndef PERL_SET_PHASE
4860 # define PERL_SET_PHASE(new_phase) \
4861 PERL_DTRACE_PROBE_PHASE(new_phase); \
4862 PL_phase = new_phase;
4865 /* The interpreter phases. If these ever change, PL_phase_names right below will
4866 * need to be updated accordingly. */
4868 PERL_PHASE_CONSTRUCT = 0,
4869 PERL_PHASE_START = 1,
4870 PERL_PHASE_CHECK = 2,
4871 PERL_PHASE_INIT = 3,
4874 PERL_PHASE_DESTRUCT = 6
4878 EXTCONST char *const PL_phase_names[] = {
4888 EXTCONST char *const PL_phase_names[];
4892 /* Do not use this macro. It only exists for extensions that rely on PL_dirty
4893 * instead of using the newer PL_phase, which provides everything PL_dirty
4894 * provided, and more. */
4895 # define PL_dirty cBOOL(PL_phase == PERL_PHASE_DESTRUCT)
4897 # define PL_amagic_generation PL_na
4898 # define PL_encoding ((SV *)NULL)
4899 #endif /* !PERL_CORE */
4901 #define PL_hints PL_compiling.cop_hints
4902 #define PL_maxo MAXO
4906 /*****************************************************************************/
4907 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
4908 /*****************************************************************************/
4909 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
4912 /* LynxOS defines these in scsi.h which is included via ioctl.h */
4921 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
4934 XTERMORDORDOR /* evil hack */
4935 /* update exp_name[] in toke.c if adding to this enum */
4938 #define KEY_sigvar 0xFFFF /* fake keyword representing a signature var */
4940 /* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4941 special and there is no need for HINT_PRIVATE_MASK for COPs
4942 However, bitops store HINT_INTEGER in their op_private.
4944 NOTE: The typical module using these has the bit value hard-coded, so don't
4945 blindly change the values of these.
4947 If we run out of bits, the 2 locale ones could be combined. The PARTIAL one
4948 is for "use locale 'FOO'" which excludes some categories. It requires going
4949 to %^H to find out which are in and which are out. This could be extended
4950 for the normal case of a plain HINT_LOCALE, so that %^H would be used for
4952 #define HINT_INTEGER 0x00000001 /* integer pragma */
4953 #define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4954 #define HINT_LOCALE 0x00000004 /* locale pragma */
4955 #define HINT_BYTES 0x00000008 /* bytes pragma */
4956 #define HINT_LOCALE_PARTIAL 0x00000010 /* locale, but a subset of categories */
4958 #define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
4959 #define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
4960 #define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
4962 #define HINT_BLOCK_SCOPE 0x00000100
4963 #define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4964 #define HINT_STRICT_VARS 0x00000400 /* strict pragma */
4965 #define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
4967 /* The HINT_NEW_* constants are used by the overload pragma */
4968 #define HINT_NEW_INTEGER 0x00001000
4969 #define HINT_NEW_FLOAT 0x00002000
4970 #define HINT_NEW_BINARY 0x00004000
4971 #define HINT_NEW_STRING 0x00008000
4972 #define HINT_NEW_RE 0x00010000
4973 #define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
4974 #define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4975 #define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
4977 #define HINT_RE_TAINT 0x00100000 /* re pragma */
4978 #define HINT_RE_EVAL 0x00200000 /* re pragma */
4980 #define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4981 #define HINT_UTF8 0x00800000 /* utf8 pragma */
4983 #define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4985 #define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4987 #define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4989 /* Note: Used for HINT_M_VMSISH_*,
4990 currently defined by vms/vmsish.h:
4995 /* The following are stored in $^H{sort}, not in PL_hints */
4996 #define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4997 #define HINT_SORT_QUICKSORT 0x00000001
4998 #define HINT_SORT_MERGESORT 0x00000002
4999 #define HINT_SORT_STABLE 0x00000100 /* sort styles */
5000 #define HINT_SORT_UNSTABLE 0x00000200
5002 /* flags for PL_sawampersand */
5004 #define SAWAMPERSAND_LEFT 1 /* saw $` */
5005 #define SAWAMPERSAND_MIDDLE 2 /* saw $& */
5006 #define SAWAMPERSAND_RIGHT 4 /* saw $' */
5008 #ifndef PERL_SAWAMPERSAND
5009 # define PL_sawampersand \
5010 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
5013 /* Used for debugvar magic */
5014 #define DBVARMG_SINGLE 0
5015 #define DBVARMG_TRACE 1
5016 #define DBVARMG_SIGNAL 2
5017 #define DBVARMG_COUNT 3
5019 #define PL_DBsingle_iv (PL_DBcontrol[DBVARMG_SINGLE])
5020 #define PL_DBtrace_iv (PL_DBcontrol[DBVARMG_TRACE])
5021 #define PL_DBsignal_iv (PL_DBcontrol[DBVARMG_SIGNAL])
5023 /* Various states of the input record separator SV (rs) */
5024 #define RsSNARF(sv) (! SvOK(sv))
5025 #define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
5026 #define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5027 #define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
5029 /* A struct for keeping various DEBUGGING related stuff,
5030 * neatly packed. Currently only scratch variables for
5031 * constructing debug output are included. Needed always,
5032 * not just when DEBUGGING, though, because of the re extension. c*/
5033 struct perl_debug_pad {
5037 #define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
5038 #define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
5039 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
5042 /* Enable variables which are pointers to functions */
5043 typedef void (*peep_t)(pTHX_ OP* o);
5044 typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
5045 typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
5046 char* strend, char* strbeg, I32 minend,
5047 SV* screamer, void* data, U32 flags);
5048 typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
5049 char *strpos, char *strend,
5051 re_scream_pos_data *d);
5052 typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
5053 typedef void (*regfree_t) (pTHX_ struct regexp* r);
5054 typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
5055 typedef I32 (*re_fold_t)(const char *, char const *, I32);
5057 typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
5058 typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
5059 typedef void (*SVFUNC_t) (pTHX_ SV* const);
5060 typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
5061 typedef void (*XSINIT_t) (pTHX);
5062 typedef void (*ATEXIT_t) (pTHX_ void*);
5063 typedef void (*XSUBADDR_t) (pTHX_ CV *);
5065 typedef OP* (*Perl_ppaddr_t)(pTHX);
5066 typedef OP* (*Perl_check_t) (pTHX_ OP*);
5067 typedef void(*Perl_ophook_t)(pTHX_ OP*);
5068 typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
5069 typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
5071 typedef void(*globhook_t)(pTHX);
5073 #define KEYWORD_PLUGIN_DECLINE 0
5074 #define KEYWORD_PLUGIN_STMT 1
5075 #define KEYWORD_PLUGIN_EXPR 2
5077 /* Interpreter exitlist entry */
5078 typedef struct exitlistentry {
5079 void (*fn) (pTHX_ void*);
5081 } PerlExitListEntry;
5083 /* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
5084 /* These have to be before perlvars.h */
5085 #if !defined(HAS_SIGACTION) && defined(VMS)
5086 # define FAKE_PERSISTENT_SIGNAL_HANDLERS
5088 /* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
5089 #if defined(KILL_BY_SIGPRC)
5090 # define FAKE_DEFAULT_SIGNAL_HANDLERS
5093 #if !defined(MULTIPLICITY)
5095 struct interpreter {
5101 /* If we have multiple interpreters define a struct
5102 holding variables which must be per-interpreter
5103 If we don't have threads anything that would have
5104 be per-thread is per-interpreter.
5107 /* Set up PERLVAR macros for populating structs */
5108 # define PERLVAR(prefix,var,type) type prefix##var;
5110 /* 'var' is an array of length 'n' */
5111 # define PERLVARA(prefix,var,n,type) type prefix##var[n];
5113 /* initialize 'var' to init' */
5114 # define PERLVARI(prefix,var,type,init) type prefix##var;
5116 /* like PERLVARI, but make 'var' a const */
5117 # define PERLVARIC(prefix,var,type,init) type prefix##var;
5119 struct interpreter {
5120 # include "intrpvar.h"
5123 EXTCONST U16 PL_interp_size
5124 INIT(sizeof(struct interpreter));
5126 # define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
5127 STRUCT_OFFSET(struct interpreter, member) + \
5128 sizeof(((struct interpreter*)0)->member)
5130 /* This will be useful for subsequent releases, because this has to be the
5131 same in your libperl as in main(), else you have a mismatch and must abort.
5133 EXTCONST U16 PL_interp_size_5_18_0
5134 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER));
5137 # ifdef PERL_GLOBAL_STRUCT
5138 /* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
5139 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
5142 # include "perlvars.h"
5145 EXTCONST U16 PL_global_struct_size
5146 INIT(sizeof(struct perl_vars));
5149 # ifndef PERL_GLOBAL_STRUCT_PRIVATE
5150 EXT struct perl_vars PL_Vars;
5151 EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
5152 # undef PERL_GET_VARS
5153 # define PERL_GET_VARS() PL_VarsPtr
5154 # endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
5155 # else /* PERL_CORE */
5156 # if !defined(__GNUC__) || !defined(WIN32)
5159 struct perl_vars *PL_VarsPtr;
5160 # define PL_Vars (*((PL_VarsPtr) \
5161 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
5162 # endif /* PERL_CORE */
5163 # endif /* PERL_GLOBAL_STRUCT */
5165 /* Done with PERLVAR macros for now ... */
5171 #endif /* MULTIPLICITY */
5173 struct tempsym; /* defined in pp_pack.c */
5180 #define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5181 #define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
5184 # include "malloc_ctl.h"
5188 * This provides a layer of functions and macros to ensure extensions will
5189 * get to use the same RTL functions as the core.
5192 # include "win32iop.h"
5198 /* this has structure inits, so it cannot be included before here */
5201 /* The following must follow proto.h as #defines mess up syntax */
5203 #if !defined(PERL_FOR_X2P)
5204 # include "embedvar.h"
5207 /* Now include all the 'global' variables
5208 * If we don't have threads or multiple interpreters
5209 * these include variables that would have been their struct-s
5212 #define PERLVAR(prefix,var,type) EXT type PL_##var;
5213 #define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5214 #define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5215 #define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
5217 #if !defined(MULTIPLICITY)
5219 # include "intrpvar.h"
5221 # define PL_sv_yes (PL_sv_immortals[0])
5222 # define PL_sv_undef (PL_sv_immortals[1])
5223 # define PL_sv_no (PL_sv_immortals[2])
5224 # define PL_sv_zero (PL_sv_immortals[3])
5228 /* All core uses now exterminated. Ensure no zombies can return: */
5232 /* Now all the config stuff is setup we can include embed.h
5233 In particular, need the relevant *ish file included already, as it may
5234 define HAVE_INTERP_INTERN */
5237 #ifndef PERL_GLOBAL_STRUCT
5240 # include "perlvars.h"
5250 #if !defined(MULTIPLICITY)
5251 /* Set up PERLVAR macros for populating structs */
5252 # define PERLVAR(prefix,var,type) type prefix##var;
5253 /* 'var' is an array of length 'n' */
5254 # define PERLVARA(prefix,var,n,type) type prefix##var[n];
5255 /* initialize 'var' to init' */
5256 # define PERLVARI(prefix,var,type,init) type prefix##var;
5257 /* like PERLVARI, but make 'var' a const */
5258 # define PERLVARIC(prefix,var,type,init) type prefix##var;
5260 /* this is never instantiated, is it just used for sizeof(struct PerlHandShakeInterpreter) */
5261 struct PerlHandShakeInterpreter {
5262 # include "intrpvar.h"
5272 /* dummy variables that hold pointers to both runops functions, thus forcing
5273 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5275 EXTCONST runops_proc_t PL_runops_std
5276 INIT(Perl_runops_standard);
5277 EXTCONST runops_proc_t PL_runops_dbg
5278 INIT(Perl_runops_debug);
5280 #define EXT_MGVTBL EXTCONST MGVTBL
5282 #define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
5283 #define PERL_MAGIC_VALUE_MAGIC 0x80
5284 #define PERL_MAGIC_VTABLE_MASK 0x3F
5285 #define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5286 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
5287 #define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5288 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5290 #include "mg_vtable.h"
5293 EXTCONST U8 PL_magic_data[256] =
5295 # include "umg_data.h"
5297 # include "mg_data.h"
5301 EXTCONST U8 PL_magic_data[256];
5305 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */
5307 PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5309 PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5311 PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1 };
5313 PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
5315 PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
5317 PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
5321 EXTCONST bool PL_valid_types_IVX[];
5322 EXTCONST bool PL_valid_types_NVX[];
5323 EXTCONST bool PL_valid_types_PVX[];
5324 EXTCONST bool PL_valid_types_RV[];
5325 EXTCONST bool PL_valid_types_IV_set[];
5326 EXTCONST bool PL_valid_types_NV_set[];
5330 /* In C99 we could use designated (named field) union initializers.
5331 * In C89 we need to initialize the member declared first.
5332 * In C++ we need extern C initializers.
5334 * With the U8_NV version you will want to have inner braces,
5335 * while with the NV_U8 use just the NV. */
5338 #define INFNAN_U8_NV_DECL EXTERN_C const union { U8 u8[NVSIZE]; NV nv; }
5339 #define INFNAN_NV_U8_DECL EXTERN_C const union { NV nv; U8 u8[NVSIZE]; }
5341 #define INFNAN_U8_NV_DECL EXTCONST union { U8 u8[NVSIZE]; NV nv; }
5342 #define INFNAN_NV_U8_DECL EXTCONST union { NV nv; U8 u8[NVSIZE]; }
5345 /* if these never got defined, they need defaults */
5346 #ifndef PERL_SET_CONTEXT
5347 # define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5350 #ifndef PERL_GET_CONTEXT
5351 # define PERL_GET_CONTEXT PERL_GET_INTERP
5354 #ifndef PERL_GET_THX
5355 # define PERL_GET_THX ((void*)NULL)
5358 #ifndef PERL_SET_THX
5359 # define PERL_SET_THX(t) NOOP
5363 #ifndef PERL_NO_INLINE_FUNCTIONS
5364 /* Static inline funcs that depend on includes and declarations above.
5365 Some of these reference functions in the perl object files, and some
5366 compilers aren't smart enough to eliminate unused static inline
5367 functions, so including this file in source code can cause link errors
5368 even if the source code uses none of the functions. Hence including these
5369 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will
5370 (obviously) result in unworkable XS code, but allows simple probing code
5371 to continue to work, because it permits tests to include the perl headers
5372 for definitions without creating a link dependency on the perl library
5373 (which may not exist yet).
5376 # include "inline.h"
5379 #include "overload.h"
5388 CV* table[NofAMmeth];
5390 struct am_table_short {
5396 typedef struct am_table AMT;
5397 typedef struct am_table_short AMTS;
5399 #define AMGfallNEVER 1
5401 #define AMGfallYES 3
5403 #define AMTf_AMAGIC 1
5404 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5405 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5406 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5408 #define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
5411 * some compilers like to redefine cos et alia as faster
5412 * (and less accurate?) versions called F_cos et cetera (Quidquid
5413 * latine dictum sit, altum viditur.) This trick collides with
5414 * the Perl overloading (amg). The following #defines fool both.
5419 # define F_atan2_amg atan2_amg
5422 # define F_cos_amg cos_amg
5425 # define F_exp_amg exp_amg
5428 # define F_log_amg log_amg
5431 # define F_pow_amg pow_amg
5434 # define F_sin_amg sin_amg
5437 # define F_sqrt_amg sqrt_amg
5439 #endif /* _FASTMATH */
5441 #define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5442 PERLDBf_NOOPT | PERLDBf_INTER | \
5443 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
5444 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5446 /* No _NONAME, _GOTO */
5447 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5448 #define PERLDBf_LINE 0x02 /* Keep line # */
5449 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5450 #define PERLDBf_INTER 0x08 /* Preserve more data for
5451 later inspections */
5452 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5453 #define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5454 #define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5455 #define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5456 #define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5457 #define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
5458 #define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
5459 #define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
5460 #define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
5462 #define PERLDB_SUB (PL_perldb & PERLDBf_SUB)
5463 #define PERLDB_LINE (PL_perldb & PERLDBf_LINE)
5464 #define PERLDB_NOOPT (PL_perldb & PERLDBf_NOOPT)
5465 #define PERLDB_INTER (PL_perldb & PERLDBf_INTER)
5466 #define PERLDB_SUBLINE (PL_perldb & PERLDBf_SUBLINE)
5467 #define PERLDB_SINGLE (PL_perldb & PERLDBf_SINGLE)
5468 #define PERLDB_SUB_NN (PL_perldb & PERLDBf_NONAME)
5469 #define PERLDB_GOTO (PL_perldb & PERLDBf_GOTO)
5470 #define PERLDB_NAMEEVAL (PL_perldb & PERLDBf_NAMEEVAL)
5471 #define PERLDB_NAMEANON (PL_perldb & PERLDBf_NAMEANON)
5472 #define PERLDB_SAVESRC (PL_perldb & PERLDBf_SAVESRC)
5473 #define PERLDB_SAVESRC_NOSUBS (PL_perldb & PERLDBf_SAVESRC_NOSUBS)
5474 #define PERLDB_SAVESRC_INVALID (PL_perldb & PERLDBf_SAVESRC_INVALID)
5476 #define PERLDB_LINE_OR_SAVESRC (PL_perldb & (PERLDBf_LINE | PERLDBf_SAVESRC))
5479 /* These locale things are all subject to change */
5482 # if defined(HAS_NEWLOCALE) \
5483 && defined(LC_ALL_MASK) \
5484 && defined(HAS_FREELOCALE) \
5485 && defined(HAS_USELOCALE) \
5486 && ! defined(NO_POSIX_2008_LOCALE)
5488 /* The code is written for simplicity to assume that any platform advanced
5489 * enough to have the Posix 2008 locale functions has LC_ALL. The test
5490 * above makes sure that assumption is valid */
5492 # define HAS_POSIX_2008_LOCALE
5495 /* We create a C locale object unconditionally if we have the functions to do
5496 * so; hence must destroy it unconditionally at the end */
5497 # ifndef HAS_POSIX_2008_LOCALE
5498 # define _LOCALE_TERM_POSIX_2008 NOOP
5500 # define _LOCALE_TERM_POSIX_2008 \
5502 if (PL_C_locale_obj) { \
5503 /* Make sure we aren't using the locale \
5504 * space we are about to free */ \
5505 uselocale(LC_GLOBAL_LOCALE); \
5506 freelocale(PL_C_locale_obj); \
5507 PL_C_locale_obj = (locale_t) NULL; \
5512 # ifndef USE_ITHREADS
5513 # define LOCALE_INIT
5514 # define LOCALE_LOCK
5515 # define LOCALE_UNLOCK
5516 # define LOCALE_TERM STMT_START { _LOCALE_TERM_POSIX_2008; } STMT_END
5517 # else /* Below is do use threads */
5518 # define LOCALE_INIT MUTEX_INIT(&PL_locale_mutex)
5519 # define LOCALE_LOCK MUTEX_LOCK(&PL_locale_mutex)
5520 # define LOCALE_UNLOCK MUTEX_UNLOCK(&PL_locale_mutex)
5521 # define LOCALE_TERM \
5523 MUTEX_DESTROY(&PL_locale_mutex); \
5524 _LOCALE_TERM_POSIX_2008; \
5526 # ifdef HAS_POSIX_2008_LOCALE
5527 # define USE_POSIX_2008_LOCALE
5528 # define USE_THREAD_SAFE_LOCALE
5532 /* Returns TRUE if the plain locale pragma without a parameter is in effect
5534 # define IN_LOCALE_RUNTIME (PL_curcop \
5535 && CopHINTS_get(PL_curcop) & HINT_LOCALE)
5537 /* Returns TRUE if either form of the locale pragma is in effect */
5538 # define IN_SOME_LOCALE_FORM_RUNTIME \
5539 cBOOL(CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
5541 # define IN_LOCALE_COMPILETIME cBOOL(PL_hints & HINT_LOCALE)
5542 # define IN_SOME_LOCALE_FORM_COMPILETIME \
5543 cBOOL(PL_hints & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
5545 # define IN_LOCALE \
5546 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
5547 # define IN_SOME_LOCALE_FORM \
5548 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5549 : IN_SOME_LOCALE_FORM_RUNTIME)
5551 # define IN_LC_ALL_COMPILETIME IN_LOCALE_COMPILETIME
5552 # define IN_LC_ALL_RUNTIME IN_LOCALE_RUNTIME
5554 # define IN_LC_PARTIAL_COMPILETIME cBOOL(PL_hints & HINT_LOCALE_PARTIAL)
5555 # define IN_LC_PARTIAL_RUNTIME \
5556 (PL_curcop && CopHINTS_get(PL_curcop) & HINT_LOCALE_PARTIAL)
5558 # define IN_LC_COMPILETIME(category) \
5559 (IN_LC_ALL_COMPILETIME || (IN_LC_PARTIAL_COMPILETIME \
5560 && _is_in_locale_category(TRUE, (category))))
5561 # define IN_LC_RUNTIME(category) \
5562 (IN_LC_ALL_RUNTIME || (IN_LC_PARTIAL_RUNTIME \
5563 && _is_in_locale_category(FALSE, (category))))
5564 # define IN_LC(category) \
5565 (IN_LC_COMPILETIME(category) || IN_LC_RUNTIME(category))
5567 # if defined (PERL_CORE) || defined (PERL_IN_XSUB_RE)
5569 /* This internal macro should be called from places that operate under
5570 * locale rules. It there is a problem with the current locale that
5571 * hasn't been raised yet, it will output a warning this time. Because
5572 * this will so rarely be true, there is no point to optimize for
5573 * time; instead it makes sense to minimize space used and do all the
5574 * work in the rarely called function */
5575 # ifdef USE_LOCALE_CTYPE
5576 # define _CHECK_AND_WARN_PROBLEMATIC_LOCALE \
5578 if (UNLIKELY(PL_warn_locale)) { \
5579 Perl__warn_problematic_locale(); \
5583 # define _CHECK_AND_WARN_PROBLEMATIC_LOCALE
5587 /* These two internal macros are called when a warning should be raised,
5588 * and will do so if enabled. The first takes a single code point
5589 * argument; the 2nd, is a pointer to the first byte of the UTF-8 encoded
5590 * string, and an end position which it won't try to read past */
5591 # define _CHECK_AND_OUTPUT_WIDE_LOCALE_CP_MSG(cp) \
5593 if (! PL_in_utf8_CTYPE_locale && ckWARN(WARN_LOCALE)) { \
5594 Perl_warner(aTHX_ packWARN(WARN_LOCALE), \
5595 "Wide character (U+%" UVXf ") in %s",\
5596 (UV) cp, OP_DESC(PL_op)); \
5600 # define _CHECK_AND_OUTPUT_WIDE_LOCALE_UTF8_MSG(s, send) \
5601 STMT_START { /* Check if to warn before doing the conversion work */\
5602 if (! PL_in_utf8_CTYPE_locale && ckWARN(WARN_LOCALE)) { \
5603 UV cp = utf8_to_uvchr_buf((U8 *) s, (U8 *) send, NULL); \
5604 Perl_warner(aTHX_ packWARN(WARN_LOCALE), \
5605 "Wide character (U+%" UVXf ") in %s", \
5607 ? UNICODE_REPLACEMENT \
5613 # endif /* PERL_CORE or PERL_IN_XSUB_RE */
5615 #else /* No locale usage */
5616 # define LOCALE_INIT
5617 # define LOCALE_TERM
5618 # define LOCALE_LOCK
5619 # define LOCALE_UNLOCK
5620 # define IN_LOCALE_RUNTIME 0
5621 # define IN_SOME_LOCALE_FORM_RUNTIME 0
5622 # define IN_LOCALE_COMPILETIME 0
5623 # define IN_SOME_LOCALE_FORM_COMPILETIME 0
5624 # define IN_LOCALE 0
5625 # define IN_SOME_LOCALE_FORM 0
5626 # define IN_LC_ALL_COMPILETIME 0
5627 # define IN_LC_ALL_RUNTIME 0
5628 # define IN_LC_PARTIAL_COMPILETIME 0
5629 # define IN_LC_PARTIAL_RUNTIME 0
5630 # define IN_LC_COMPILETIME(category) 0
5631 # define IN_LC_RUNTIME(category) 0
5632 # define IN_LC(category) 0
5634 # define _CHECK_AND_WARN_PROBLEMATIC_LOCALE
5635 # define _CHECK_AND_OUTPUT_WIDE_LOCALE_CP_MSG(a)
5636 # define _CHECK_AND_OUTPUT_WIDE_LOCALE_UTF8_MSG(a,b)
5639 #ifdef USE_LOCALE_NUMERIC
5641 /* These macros are for toggling between the underlying locale (UNDERLYING or
5642 * LOCAL) and the C locale (STANDARD).
5644 =head1 Locale-related functions and macros
5646 =for apidoc Amn|void|DECLARATION_FOR_LC_NUMERIC_MANIPULATION
5648 This macro should be used as a statement. It declares a private variable
5649 (whose name begins with an underscore) that is needed by the other macros in
5650 this section. Failing to include this correctly should lead to a syntax error.
5651 For compatibility with C89 C compilers it should be placed in a block before
5652 any executable statements.
5654 =for apidoc Am|void|STORE_LC_NUMERIC_FORCE_TO_UNDERLYING
5656 This is used by XS code that that is C<LC_NUMERIC> locale-aware to force the
5657 locale for category C<LC_NUMERIC> to be what perl thinks is the current
5658 underlying locale. (The perl interpreter could be wrong about what the
5659 underlying locale actually is if some C or XS code has called the C library
5660 function L<setlocale(3)> behind its back; calling L</sync_locale> before calling
5661 this macro will update perl's records.)
5663 A call to L</DECLARATION_FOR_LC_NUMERIC_MANIPULATION> must have been made to
5664 declare at compile time a private variable used by this macro. This macro
5665 should be called as a single statement, not an expression, but with an empty
5666 argument list, like this:
5669 DECLARATION_FOR_LC_NUMERIC_MANIPULATION;
5671 STORE_LC_NUMERIC_FORCE_TO_UNDERLYING();
5673 RESTORE_LC_NUMERIC();
5677 The private variable is used to save the current locale state, so
5678 that the requisite matching call to L</RESTORE_LC_NUMERIC> can restore it.
5680 =for apidoc Am|void|STORE_LC_NUMERIC_SET_TO_NEEDED
5682 This is used to help wrap XS or C code that that is C<LC_NUMERIC> locale-aware.
5683 This locale category is generally kept set to the C locale by Perl for
5684 backwards compatibility, and because most XS code that reads floating point
5685 values can cope only with the decimal radix character being a dot.
5687 This macro makes sure the current C<LC_NUMERIC> state is set properly, to be
5688 aware of locale if the call to the XS or C code from the Perl program is
5689 from within the scope of a S<C<use locale>>; or to ignore locale if the call is
5690 instead from outside such scope.
5692 This macro is the start of wrapping the C or XS code; the wrap ending is done
5693 by calling the L</RESTORE_LC_NUMERIC> macro after the operation. Otherwise
5694 the state can be changed that will adversely affect other XS code.
5696 A call to L</DECLARATION_FOR_LC_NUMERIC_MANIPULATION> must have been made to
5697 declare at compile time a private variable used by this macro. This macro
5698 should be called as a single statement, not an expression, but with an empty
5699 argument list, like this:
5702 DECLARATION_FOR_LC_NUMERIC_MANIPULATION;
5704 STORE_LC_NUMERIC_SET_TO_NEEDED();
5706 RESTORE_LC_NUMERIC();
5710 =for apidoc Am|void|RESTORE_LC_NUMERIC
5712 This is used in conjunction with one of the macros
5713 L</STORE_LC_NUMERIC_SET_TO_NEEDED>
5715 L</STORE_LC_NUMERIC_FORCE_TO_UNDERLYING>
5717 to properly restore the C<LC_NUMERIC> state.
5719 A call to L</DECLARATION_FOR_LC_NUMERIC_MANIPULATION> must have been made to
5720 declare at compile time a private variable used by this macro and the two
5721 C<STORE> ones. This macro should be called as a single statement, not an
5722 expression, but with an empty argument list, like this:
5725 DECLARATION_FOR_LC_NUMERIC_MANIPULATION;
5727 RESTORE_LC_NUMERIC();
5735 #define _NOT_IN_NUMERIC_STANDARD (! PL_numeric_standard)
5737 /* We can lock the category to stay in the C locale, making requests to the
5738 * contrary be noops, in the dynamic scope by setting PL_numeric_standard to 2.
5740 #define _NOT_IN_NUMERIC_UNDERLYING \
5741 (! PL_numeric_local && PL_numeric_standard < 2)
5743 #define DECLARATION_FOR_LC_NUMERIC_MANIPULATION \
5744 void (*_restore_LC_NUMERIC_function)(pTHX) = NULL
5746 #define STORE_LC_NUMERIC_SET_TO_NEEDED() \
5747 if (IN_LC(LC_NUMERIC)) { \
5748 if (_NOT_IN_NUMERIC_UNDERLYING) { \
5749 Perl_set_numeric_local(aTHX); \
5750 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
5754 if (_NOT_IN_NUMERIC_STANDARD) { \
5755 SET_NUMERIC_STANDARD(); \
5756 _restore_LC_NUMERIC_function = &Perl_set_numeric_local; \
5760 #define RESTORE_LC_NUMERIC() \
5761 if (_restore_LC_NUMERIC_function) { \
5762 _restore_LC_NUMERIC_function(aTHX); \
5765 /* The next two macros set unconditionally. These should be rarely used, and
5766 * only after being sure that this is what is needed */
5767 #define SET_NUMERIC_STANDARD() \
5768 STMT_START { if (_NOT_IN_NUMERIC_STANDARD) \
5769 Perl_set_numeric_standard(aTHX); \
5772 #define SET_NUMERIC_UNDERLYING() \
5773 STMT_START { if (_NOT_IN_NUMERIC_UNDERLYING) \
5774 Perl_set_numeric_local(aTHX); } STMT_END
5776 /* The rest of these LC_NUMERIC macros toggle to one or the other state, with
5777 * the RESTORE_foo ones called to switch back, but only if need be */
5778 #define STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD() \
5779 bool _was_local = _NOT_IN_NUMERIC_STANDARD; \
5780 if (_was_local) Perl_set_numeric_standard(aTHX);
5782 /* Doesn't change to underlying locale unless within the scope of some form of
5783 * 'use locale'. This is the usual desired behavior. */
5784 #define STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING() \
5785 bool _was_standard = _NOT_IN_NUMERIC_UNDERLYING \
5786 && IN_LC(LC_NUMERIC); \
5787 if (_was_standard) Perl_set_numeric_local(aTHX);
5789 /* Rarely, we want to change to the underlying locale even outside of 'use
5790 * locale'. This is principally in the POSIX:: functions */
5791 #define STORE_LC_NUMERIC_FORCE_TO_UNDERLYING() \
5792 if (_NOT_IN_NUMERIC_UNDERLYING) { \
5793 Perl_set_numeric_local(aTHX); \
5794 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
5797 /* Lock/unlock to the C locale until unlock is called. This needs to be
5798 * recursively callable. [perl #128207] */
5799 #define LOCK_LC_NUMERIC_STANDARD() \
5800 (__ASSERT_(PL_numeric_standard) \
5801 PL_numeric_standard++)
5802 #define UNLOCK_LC_NUMERIC_STANDARD() \
5804 if (PL_numeric_standard > 1) { \
5805 PL_numeric_standard--; \
5812 #define RESTORE_LC_NUMERIC_UNDERLYING() \
5813 if (_was_local) Perl_set_numeric_local(aTHX);
5815 #define RESTORE_LC_NUMERIC_STANDARD() \
5816 if (_restore_LC_NUMERIC_function) { \
5817 _restore_LC_NUMERIC_function(aTHX); \
5820 #else /* !USE_LOCALE_NUMERIC */
5822 #define SET_NUMERIC_STANDARD()
5823 #define SET_NUMERIC_UNDERLYING()
5824 #define IS_NUMERIC_RADIX(a, b) (0)
5825 #define STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD()
5826 #define STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING()
5827 #define STORE_LC_NUMERIC_FORCE_TO_UNDERLYING()
5828 #define RESTORE_LC_NUMERIC_UNDERLYING()
5829 #define RESTORE_LC_NUMERIC_STANDARD()
5830 #define DECLARATION_FOR_LC_NUMERIC_MANIPULATION
5831 #define STORE_LC_NUMERIC_SET_TO_NEEDED()
5832 #define RESTORE_LC_NUMERIC()
5833 #define LOCK_LC_NUMERIC_STANDARD()
5834 #define UNLOCK_LC_NUMERIC_STANDARD()
5836 #endif /* !USE_LOCALE_NUMERIC */
5838 #define Atof my_atof
5840 /* Back-compat names */
5841 #define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \
5842 DECLARATION_FOR_LC_NUMERIC_MANIPULATION
5843 #define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \
5844 DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \
5845 STORE_LC_NUMERIC_SET_TO_NEEDED();
5846 #define LOCK_NUMERIC_STANDARD() LOCK_LC_NUMERIC_STANDARD()
5847 #define RESTORE_NUMERIC_LOCAL() RESTORE_LC_NUMERIC_UNDERLYING()
5848 #define RESTORE_NUMERIC_STANDARD() RESTORE_LC_NUMERIC_STANDARD()
5849 #define SET_NUMERIC_LOCAL() SET_NUMERIC_UNDERLYING()
5850 #define STORE_NUMERIC_LOCAL_SET_STANDARD() \
5851 STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD()
5852 #define STORE_NUMERIC_STANDARD_SET_LOCAL() \
5853 STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING()
5854 #define STORE_NUMERIC_STANDARD_FORCE_LOCAL() \
5855 STORE_LC_NUMERIC_FORCE_TO_UNDERLYING()
5856 #define UNLOCK_NUMERIC_STANDARD() UNLOCK_LC_NUMERIC_STANDARD()
5861 # define Perl_strtod(s, e) strtoflt128(s, e)
5862 #elif defined(HAS_LONG_DOUBLE) && defined(USE_LONG_DOUBLE)
5863 # if defined(HAS_STRTOLD)
5864 # define Perl_strtod(s, e) strtold(s, e)
5865 # elif defined(HAS_STRTOD)
5866 # define Perl_strtod(s, e) (NV)strtod(s, e) /* Unavoidable loss. */
5868 #elif defined(HAS_STRTOD)
5869 # define Perl_strtod(s, e) strtod(s, e)
5872 #if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5873 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5875 # define strtoll __strtoll /* secret handshake */
5877 # if defined(WIN64) && defined(_MSC_VER)
5878 # define strtoll _strtoi64 /* secret handshake */
5880 # if !defined(Strtol) && defined(HAS_STRTOLL)
5881 # define Strtol strtoll
5883 # if !defined(Strtol) && defined(HAS_STRTOQ)
5884 # define Strtol strtoq
5886 /* is there atoq() anywhere? */
5888 #if !defined(Strtol) && defined(HAS_STRTOL)
5889 # define Strtol strtol
5892 /* It would be more fashionable to use Strtol() to define atol()
5893 * (as is done for Atoul(), see below) but for backward compatibility
5894 * we just assume atol(). */
5895 # if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5896 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5898 # define atoll _atoi64 /* secret handshake */
5906 #if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5907 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5909 # define strtoull __strtoull /* secret handshake */
5911 # if defined(WIN64) && defined(_MSC_VER)
5912 # define strtoull _strtoui64 /* secret handshake */
5914 # if !defined(Strtoul) && defined(HAS_STRTOULL)
5915 # define Strtoul strtoull
5917 # if !defined(Strtoul) && defined(HAS_STRTOUQ)
5918 # define Strtoul strtouq
5920 /* is there atouq() anywhere? */
5922 #if !defined(Strtoul) && defined(HAS_STRTOUL)
5923 # define Strtoul strtoul
5925 #if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5926 # define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5929 # define Atoul(s) Strtoul(s, NULL, 10)
5932 #ifndef PERL_SCRIPT_MODE
5933 #define PERL_SCRIPT_MODE "r"
5936 /* not used. Kept as a NOOP for backcompat */
5937 #define PERL_STACK_OVERFLOW_CHECK() NOOP
5940 * Some nonpreemptive operating systems find it convenient to
5941 * check for asynchronous conditions after each op execution.
5942 * Keep this check simple, or it may slow down execution
5947 # ifndef PERL_ASYNC_CHECK
5948 # define PERL_ASYNC_CHECK() if (UNLIKELY(PL_sig_pending)) PL_signalhook(aTHX)
5952 #ifndef PERL_ASYNC_CHECK
5953 # define PERL_ASYNC_CHECK() NOOP
5957 * On some operating systems, a memory allocation may succeed,
5958 * but put the process too close to the system's comfort limit.
5959 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5962 #ifndef PERL_ALLOC_CHECK
5963 #define PERL_ALLOC_CHECK(p) NOOP
5967 # include <sys/ipc.h>
5968 # include <sys/sem.h>
5969 # ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5972 struct semid_ds *buf;
5973 unsigned short *array;
5976 # ifdef USE_SEMCTL_SEMUN
5977 # ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5978 union gccbug_semun {
5980 struct semid_ds *buf;
5981 unsigned short *array;
5984 # define semun gccbug_semun
5986 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5987 # elif defined(USE_SEMCTL_SEMID_DS)
5988 # ifdef EXTRA_F_IN_SEMUN_BUF
5989 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5991 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5997 * Boilerplate macros for initializing and accessing interpreter-local
5998 * data from C. All statics in extensions should be reworked to use
5999 * this, if you want to make the extension thread-safe. See
6000 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
6001 * and perlxs.pod for more.
6003 * Code that uses these macros is responsible for the following:
6004 * 1. #define MY_CXT_KEY to a unique string, e.g.
6005 * "DynaLoader::_guts" XS_VERSION
6006 * XXX in the current implementation, this string is ignored.
6007 * 2. Declare a typedef named my_cxt_t that is a structure that contains
6008 * all the data that needs to be interpreter-local.
6009 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
6010 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
6011 * (typically put in the BOOT: section).
6012 * 5. Use the members of the my_cxt_t structure everywhere as
6014 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
6018 #if defined(PERL_IMPLICIT_CONTEXT)
6020 /* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
6021 * right after the definition (i.e. at file scope). The non-threads
6022 * case below uses it to declare the data as static. */
6023 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
6024 # define START_MY_CXT
6025 # define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
6026 # define MY_CXT_INIT_ARG MY_CXT_KEY
6028 # define START_MY_CXT static int my_cxt_index = -1;
6029 # define MY_CXT_INDEX my_cxt_index
6030 # define MY_CXT_INIT_ARG &my_cxt_index
6031 # endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
6033 /* Creates and zeroes the per-interpreter data.
6034 * (We allocate my_cxtp in a Perl SV so that it will be released when
6035 * the interpreter goes away.) */
6036 # define MY_CXT_INIT \
6037 my_cxt_t *my_cxtp = \
6038 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
6039 PERL_UNUSED_VAR(my_cxtp)
6040 # define MY_CXT_INIT_INTERP(my_perl) \
6041 my_cxt_t *my_cxtp = \
6042 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
6043 PERL_UNUSED_VAR(my_cxtp)
6045 /* This declaration should be used within all functions that use the
6046 * interpreter-local data. */
6048 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
6049 # define dMY_CXT_INTERP(my_perl) \
6050 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
6052 /* Clones the per-interpreter data. */
6053 # define MY_CXT_CLONE \
6054 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
6055 void * old_my_cxtp = PL_my_cxt_list[MY_CXT_INDEX]; \
6056 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp; \
6057 Copy(old_my_cxtp, my_cxtp, 1, my_cxt_t);
6061 /* This macro must be used to access members of the my_cxt_t structure.
6062 * e.g. MY_CXT.some_data */
6063 # define MY_CXT (*my_cxtp)
6065 /* Judicious use of these macros can reduce the number of times dMY_CXT
6066 * is used. Use is similar to pTHX, aTHX etc. */
6067 # define pMY_CXT my_cxt_t *my_cxtp
6068 # define pMY_CXT_ pMY_CXT,
6069 # define _pMY_CXT ,pMY_CXT
6070 # define aMY_CXT my_cxtp
6071 # define aMY_CXT_ aMY_CXT,
6072 # define _aMY_CXT ,aMY_CXT
6074 #else /* PERL_IMPLICIT_CONTEXT */
6076 # define START_MY_CXT static my_cxt_t my_cxt;
6077 # define dMY_CXT_SV dNOOP
6078 # define dMY_CXT dNOOP
6079 # define dMY_CXT_INTERP(my_perl) dNOOP
6080 # define MY_CXT_INIT NOOP
6081 # define MY_CXT_CLONE NOOP
6082 # define MY_CXT my_cxt
6084 # define pMY_CXT void
6091 #endif /* !defined(PERL_IMPLICIT_CONTEXT) */
6102 # undef FD_CLOEXEC /* a lie in AmigaOS */
6106 # include <sys/file.h>
6109 #if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
6110 int flock(int fd, int op);
6114 /* Assume UNIX defaults */
6115 # define O_RDONLY 0000
6116 # define O_WRONLY 0001
6117 # define O_RDWR 0002
6118 # define O_CREAT 0100
6129 #if O_TEXT != O_BINARY
6130 /* If you have different O_TEXT and O_BINARY and you are a CRLF shop,
6131 * that is, you are somehow DOSish. */
6132 # if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
6133 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
6134 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
6135 /* VOS has O_TEXT != O_BINARY, and they have effect,
6136 * but VOS always uses LF, never CRLF. */
6137 /* If you have O_TEXT different from your O_BINARY but you still are
6138 * not a CRLF shop. */
6139 # undef PERLIO_USING_CRLF
6141 /* If you really are DOSish. */
6142 # define PERLIO_USING_CRLF 1
6147 # include <libutil.h> /* setproctitle() in some FreeBSDs */
6150 #ifndef EXEC_ARGV_CAST
6151 #define EXEC_ARGV_CAST(x) (char **)x
6154 #define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
6155 int). value returned in pointed-
6157 #define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
6158 #define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation or infnan */
6159 #define IS_NUMBER_NEG 0x08 /* leading minus sign */
6160 #define IS_NUMBER_INFINITY 0x10 /* this is big */
6161 #define IS_NUMBER_NAN 0x20 /* this is not */
6162 #define IS_NUMBER_TRAILING 0x40 /* number has trailing trash */
6164 #define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
6167 #define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
6168 #define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
6169 #define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
6170 #define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
6171 numbers which are <= UV_MAX */
6172 #define PERL_SCAN_TRAILING 0x10 /* grok_number_flags() allow trailing
6173 and set IS_NUMBER_TRAILING */
6176 #define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
6178 /* to let user control profiling */
6179 #ifdef PERL_GPROF_CONTROL
6180 extern void moncontrol(int);
6181 #define PERL_GPROF_MONCONTROL(x) moncontrol(x)
6183 #define PERL_GPROF_MONCONTROL(x)
6190 /* ISO 6429 NEL - C1 control NExt Line */
6191 /* See http://www.unicode.org/unicode/reports/tr13/ */
6192 #define NEXT_LINE_CHAR NEXT_LINE_NATIVE
6194 #ifndef PIPESOCK_MODE
6195 # define PIPESOCK_MODE
6198 #ifndef SOCKET_OPEN_MODE
6199 # define SOCKET_OPEN_MODE PIPESOCK_MODE
6202 #ifndef PIPE_OPEN_MODE
6203 # define PIPE_OPEN_MODE PIPESOCK_MODE
6206 #define PERL_MAGIC_UTF8_CACHESIZE 2
6208 #define PERL_UNICODE_STDIN_FLAG 0x0001
6209 #define PERL_UNICODE_STDOUT_FLAG 0x0002
6210 #define PERL_UNICODE_STDERR_FLAG 0x0004
6211 #define PERL_UNICODE_IN_FLAG 0x0008
6212 #define PERL_UNICODE_OUT_FLAG 0x0010
6213 #define PERL_UNICODE_ARGV_FLAG 0x0020
6214 #define PERL_UNICODE_LOCALE_FLAG 0x0040
6215 #define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
6216 #define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
6218 #define PERL_UNICODE_STD_FLAG \
6219 (PERL_UNICODE_STDIN_FLAG | \
6220 PERL_UNICODE_STDOUT_FLAG | \
6221 PERL_UNICODE_STDERR_FLAG)
6223 #define PERL_UNICODE_INOUT_FLAG \
6224 (PERL_UNICODE_IN_FLAG | \
6225 PERL_UNICODE_OUT_FLAG)
6227 #define PERL_UNICODE_DEFAULT_FLAGS \
6228 (PERL_UNICODE_STD_FLAG | \
6229 PERL_UNICODE_INOUT_FLAG | \
6230 PERL_UNICODE_LOCALE_FLAG)
6232 #define PERL_UNICODE_ALL_FLAGS 0x01ff
6234 #define PERL_UNICODE_STDIN 'I'
6235 #define PERL_UNICODE_STDOUT 'O'
6236 #define PERL_UNICODE_STDERR 'E'
6237 #define PERL_UNICODE_STD 'S'
6238 #define PERL_UNICODE_IN 'i'
6239 #define PERL_UNICODE_OUT 'o'
6240 #define PERL_UNICODE_INOUT 'D'
6241 #define PERL_UNICODE_ARGV 'A'
6242 #define PERL_UNICODE_LOCALE 'L'
6243 #define PERL_UNICODE_WIDESYSCALLS 'W'
6244 #define PERL_UNICODE_UTF8CACHEASSERT 'a'
6246 #define PERL_SIGNALS_UNSAFE_FLAG 0x0001
6248 /* Use instead of abs() since abs() forces its argument to be an int,
6249 * but also beware since this evaluates its argument twice, so no x++. */
6250 #define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
6252 #if defined(__DECC) && defined(__osf__)
6253 #pragma message disable (mainparm) /* Perl uses the envp in main(). */
6256 #define do_open(g, n, l, a, rm, rp, sf) \
6257 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
6258 #ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
6259 # define do_exec(cmd) do_exec3(cmd,0,0)
6262 # define do_aexec Perl_do_aexec
6264 # define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
6267 /* check embedded \0 characters in pathnames passed to syscalls,
6268 but allow one ending \0 */
6269 #define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name)))
6271 #define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name))
6273 #if defined(OEMVS) || defined(__amigaos4__)
6274 #define NO_ENV_ARRAY_IN_MAIN
6277 /* These are used by Perl_pv_escape() and Perl_pv_pretty()
6278 * are here so that they are available throughout the core
6279 * NOTE that even though some are for _escape and some for _pretty
6280 * there must not be any clashes as the flags from _pretty are
6281 * passed straight through to _escape.
6284 #define PERL_PV_ESCAPE_QUOTE 0x000001
6285 #define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
6287 #define PERL_PV_PRETTY_ELLIPSES 0x000002
6288 #define PERL_PV_PRETTY_LTGT 0x000004
6289 #define PERL_PV_PRETTY_EXACTSIZE 0x000008
6291 #define PERL_PV_ESCAPE_UNI 0x000100
6292 #define PERL_PV_ESCAPE_UNI_DETECT 0x000200
6293 #define PERL_PV_ESCAPE_NONASCII 0x000400
6294 #define PERL_PV_ESCAPE_FIRSTCHAR 0x000800
6296 #define PERL_PV_ESCAPE_ALL 0x001000
6297 #define PERL_PV_ESCAPE_NOBACKSLASH 0x002000
6298 #define PERL_PV_ESCAPE_NOCLEAR 0x004000
6299 #define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
6300 #define PERL_PV_ESCAPE_RE 0x008000
6302 #define PERL_PV_ESCAPE_DWIM 0x010000
6305 /* used by pv_display in dump.c*/
6306 #define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
6307 #define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
6309 #if DOUBLEKIND == DOUBLE_IS_VAX_F_FLOAT || \
6310 DOUBLEKIND == DOUBLE_IS_VAX_D_FLOAT || \
6311 DOUBLEKIND == DOUBLE_IS_VAX_G_FLOAT
6312 # define DOUBLE_IS_VAX_FLOAT
6314 # define DOUBLE_IS_IEEE_FORMAT
6317 #if DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN || \
6318 DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN || \
6319 DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
6320 # define DOUBLE_LITTLE_ENDIAN
6323 #if DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN || \
6324 DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN || \
6325 DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
6326 # define DOUBLE_BIG_ENDIAN
6329 #if DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE || \
6330 DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE
6331 # define DOUBLE_MIX_ENDIAN
6334 /* The VAX fp formats are neither consistently little-endian nor
6335 * big-endian, and neither are they really IEEE-mixed endian like
6336 * the mixed-endian ARM IEEE formats (with swapped bytes).
6337 * Ultimately, the VAX format came from the PDP-11.
6339 * The ordering of the parts in VAX floats is quite vexing.
6340 * In the below the fraction_n are the mantissa bits.
6342 * The fraction_1 is the most significant (numbering as by DEC/Digital),
6343 * while the rightmost bit in each fraction is the least significant:
6344 * in other words, big-endian bit order within the fractions.
6346 * The fraction segments themselves would be big-endianly, except that
6347 * within 32 bit segments the less significant half comes first, the more
6348 * significant after, except that in the format H (used for long doubles)
6349 * the first fraction segment is alone, because the exponent is wider.
6350 * This means for example that both the most and the least significant
6351 * bits can be in the middle of the floats, not at either end.
6354 * http://nssdc.gsfc.nasa.gov/nssdc/formats/VAXFloatingPoint.htm
6355 * http://www.quadibloc.com/comp/cp0201.htm
6356 * http://h71000.www7.hp.com/doc/82final/6443/6443pro_028.html
6357 * (somebody at HP should be fired for the URLs)
6359 * F fraction_2:16 sign:1 exp:8 fraction_1:7
6360 * (exponent bias 128, hidden first one-bit)
6362 * D fraction_2:16 sign:1 exp:8 fraction_1:7
6363 * fraction_4:16 fraction_3:16
6364 * (exponent bias 128, hidden first one-bit)
6366 * G fraction_2:16 sign:1 exp:11 fraction_1:4
6367 * fraction_4:16 fraction_3:16
6368 * (exponent bias 1024, hidden first one-bit)
6370 * H fraction_1:16 sign:1 exp:15
6371 * fraction_3:16 fraction_2:16
6372 * fraction_5:16 fraction_4:16
6373 * fraction_7:16 fraction_6:16
6374 * (exponent bias 16384, hidden first one-bit)
6375 * (available only on VAX, and only on Fortran?)
6377 * The formats S, T and X are available on the Alpha (and Itanium,
6378 * also known as I64/IA64) and are equivalent with the IEEE-754 formats
6379 * binary32, binary64, and binary128 (commonly: float, double, long double).
6381 * S sign:1 exp:8 mantissa:23
6382 * (exponent bias 127, hidden first one-bit)
6384 * T sign:1 exp:11 mantissa:52
6385 * (exponent bias 1022, hidden first one-bit)
6387 * X sign:1 exp:15 mantissa:112
6388 * (exponent bias 16382, hidden first one-bit)
6392 #ifdef DOUBLE_IS_VAX_FLOAT
6393 # define DOUBLE_VAX_ENDIAN
6396 #ifdef DOUBLE_IS_IEEE_FORMAT
6397 /* All the basic IEEE formats have the implicit bit,
6398 * except for the x86 80-bit extended formats, which will undef this.
6399 * Also note that the IEEE 754 subnormals (formerly known as denormals)
6400 * do not have the implicit bit of one. */
6401 # define NV_IMPLICIT_BIT
6404 #if defined(LONG_DOUBLEKIND) && LONG_DOUBLEKIND != LONG_DOUBLE_IS_DOUBLE
6406 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN || \
6407 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN || \
6408 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE
6409 # define LONGDOUBLE_LITTLE_ENDIAN
6412 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN || \
6413 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN || \
6414 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE
6415 # define LONGDOUBLE_BIG_ENDIAN
6418 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE || \
6419 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE
6420 # define LONGDOUBLE_MIX_ENDIAN
6423 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN || \
6424 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN
6425 # define LONGDOUBLE_X86_80_BIT
6426 # ifdef USE_LONG_DOUBLE
6427 # undef NV_IMPLICIT_BIT
6428 # define NV_X86_80_BIT
6432 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE || \
6433 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE || \
6434 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE || \
6435 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE
6436 # define LONGDOUBLE_DOUBLEDOUBLE
6439 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_VAX_H_FLOAT
6440 # define LONGDOUBLE_VAX_ENDIAN
6443 #endif /* LONG_DOUBLEKIND */
6445 #ifdef USE_QUADMATH /* assume quadmath endianness == native double endianness */
6446 # if defined(DOUBLE_LITTLE_ENDIAN)
6447 # define NV_LITTLE_ENDIAN
6448 # elif defined(DOUBLE_BIG_ENDIAN)
6449 # define NV_BIG_ENDIAN
6450 # elif defined(DOUBLE_MIX_ENDIAN) /* stretch */
6451 # define NV_MIX_ENDIAN
6453 #elif NVSIZE == DOUBLESIZE
6454 # ifdef DOUBLE_LITTLE_ENDIAN
6455 # define NV_LITTLE_ENDIAN
6457 # ifdef DOUBLE_BIG_ENDIAN
6458 # define NV_BIG_ENDIAN
6460 # ifdef DOUBLE_MIX_ENDIAN
6461 # define NV_MIX_ENDIAN
6463 # ifdef DOUBLE_VAX_ENDIAN
6464 # define NV_VAX_ENDIAN
6466 #elif NVSIZE == LONG_DOUBLESIZE
6467 # ifdef LONGDOUBLE_LITTLE_ENDIAN
6468 # define NV_LITTLE_ENDIAN
6470 # ifdef LONGDOUBLE_BIG_ENDIAN
6471 # define NV_BIG_ENDIAN
6473 # ifdef LONGDOUBLE_MIX_ENDIAN
6474 # define NV_MIX_ENDIAN
6476 # ifdef LONGDOUBLE_VAX_ENDIAN
6477 # define NV_VAX_ENDIAN
6481 /* We have somehow managed not to define the denormal/subnormal
6484 * This may happen if the compiler doesn't expose the C99 math like
6485 * the fpclassify() without some special switches. Perl tries to
6486 * stay C89, so for example -std=c99 is not an option.
6488 * The Perl_isinf() and Perl_isnan() should have been defined even if
6489 * the C99 isinf() and isnan() are unavailable, and the NV_MIN becomes
6490 * from the C89 DBL_MIN or moral equivalent. */
6491 #if !defined(Perl_fp_class_denorm) && defined(Perl_isinf) && defined(Perl_isnan) && defined(NV_MIN)
6492 # define Perl_fp_class_denorm(x) ((x) != 0.0 && !Perl_isinf(x) && !Perl_isnan(x) && PERL_ABS(x) < NV_MIN)
6495 /* This is not a great fallback: subnormals tests will fail,
6496 * but at least Perl will link and 99.999% of tests will work. */
6497 #if !defined(Perl_fp_class_denorm)
6498 # define Perl_fp_class_denorm(x) FALSE
6501 #ifdef DOUBLE_IS_IEEE_FORMAT
6502 # define DOUBLE_HAS_INF
6503 # define DOUBLE_HAS_NAN
6506 #ifdef DOUBLE_HAS_NAN
6510 /* PL_inf and PL_nan initialization.
6512 * For inf and nan initialization the ultimate fallback is dividing
6513 * one or zero by zero: however, some compilers will warn or even fail
6514 * on divide-by-zero, but hopefully something earlier will work.
6516 * If you are thinking of using HUGE_VAL for infinity, or using
6517 * <math.h> functions to generate NV_INF (e.g. exp(1e9), log(-1.0)),
6518 * stop. Neither will work portably: HUGE_VAL can be just DBL_MAX,
6519 * and the math functions might be just generating DBL_MAX, or even zero.
6521 * Also, do NOT try doing NV_NAN based on NV_INF and trying (NV_INF-NV_INF).
6522 * Though logically correct, some compilers (like Visual C 2003)
6523 * falsely misoptimize that to zero (x-x is always zero, right?)
6525 * Finally, note that not all floating point formats define Inf (or NaN).
6526 * For the infinity a large number may be used instead. Operations that
6527 * under the IEEE floating point would return Inf or NaN may return
6528 * either large numbers (positive or negative), or they may cause
6529 * a floating point exception or some other fault.
6532 /* The quadmath literals are anon structs which -Wc++-compat doesn't like. */
6533 GCC_DIAG_IGNORE(-Wc++-compat)
6535 # ifdef USE_QUADMATH
6536 /* Cannot use HUGE_VALQ for PL_inf because not a compile-time
6538 INFNAN_NV_U8_DECL PL_inf = { 1.0Q/0.0Q };
6539 # elif NVSIZE == LONG_DOUBLESIZE && defined(LONGDBLINFBYTES)
6540 INFNAN_U8_NV_DECL PL_inf = { { LONGDBLINFBYTES } };
6541 # elif NVSIZE == DOUBLESIZE && defined(DOUBLEINFBYTES)
6542 INFNAN_U8_NV_DECL PL_inf = { { DOUBLEINFBYTES } };
6544 # if NVSIZE == LONG_DOUBLESIZE && defined(USE_LONG_DOUBLE)
6545 # if defined(LDBL_INFINITY)
6546 INFNAN_NV_U8_DECL PL_inf = { LDBL_INFINITY };
6547 # elif defined(LDBL_INF)
6548 INFNAN_NV_U8_DECL PL_inf = { LDBL_INF };
6549 # elif defined(INFINITY)
6550 INFNAN_NV_U8_DECL PL_inf = { (NV)INFINITY };
6552 INFNAN_NV_U8_DECL PL_inf = { (NV)INF };
6554 INFNAN_NV_U8_DECL PL_inf = { 1.0L/0.0L }; /* keep last */
6557 # if defined(DBL_INFINITY)
6558 INFNAN_NV_U8_DECL PL_inf = { DBL_INFINITY };
6559 # elif defined(DBL_INF)
6560 INFNAN_NV_U8_DECL PL_inf = { DBL_INF };
6561 # elif defined(INFINITY) /* C99 */
6562 INFNAN_NV_U8_DECL PL_inf = { (NV)INFINITY };
6564 INFNAN_NV_U8_DECL PL_inf = { (NV)INF };
6566 INFNAN_NV_U8_DECL PL_inf = { 1.0/0.0 }; /* keep last */
6571 # ifdef USE_QUADMATH
6572 /* Cannot use nanq("0") for PL_nan because not a compile-time
6574 INFNAN_NV_U8_DECL PL_nan = { 0.0Q/0.0Q };
6575 # elif NVSIZE == LONG_DOUBLESIZE && defined(LONGDBLNANBYTES)
6576 INFNAN_U8_NV_DECL PL_nan = { { LONGDBLNANBYTES } };
6577 # elif NVSIZE == DOUBLESIZE && defined(DOUBLENANBYTES)
6578 INFNAN_U8_NV_DECL PL_nan = { { DOUBLENANBYTES } };
6580 # if NVSIZE == LONG_DOUBLESIZE && defined(USE_LONG_DOUBLE)
6581 # if defined(LDBL_NAN)
6582 INFNAN_NV_U8_DECL PL_nan = { LDBL_NAN };
6583 # elif defined(LDBL_QNAN)
6584 INFNAN_NV_U8_DECL PL_nan = { LDBL_QNAN };
6586 INFNAN_NV_U8_DECL PL_nan = { (NV)NAN };
6588 INFNAN_NV_U8_DECL PL_nan = { 0.0L/0.0L }; /* keep last */
6591 # if defined(DBL_NAN)
6592 INFNAN_NV_U8_DECL PL_nan = { DBL_NAN };
6593 # elif defined(DBL_QNAN)
6594 INFNAN_NV_U8_DECL PL_nan = { DBL_QNAN };
6595 # elif defined(NAN) /* C99 */
6596 INFNAN_NV_U8_DECL PL_nan = { (NV)NAN };
6598 INFNAN_NV_U8_DECL PL_nan = { 0.0/0.0 }; /* keep last */
6607 INFNAN_NV_U8_DECL PL_inf;
6608 INFNAN_NV_U8_DECL PL_nan;
6612 /* If you have not defined NV_INF/NV_NAN (like for example win32/win32.h),
6613 * we will define NV_INF/NV_NAN as the nv part of the global const
6614 * PL_inf/PL_nan. Note, however, that the preexisting NV_INF/NV_NAN
6615 * might not be a compile-time constant, in which case it cannot be
6616 * used to initialize PL_inf/PL_nan above. */
6618 # define NV_INF PL_inf.nv
6621 # define NV_NAN PL_nan.nv
6624 /* NaNs (not-a-numbers) can carry payload bits, in addition to
6625 * "nan-ness". Part of the payload is the quiet/signaling bit.
6626 * To back up a bit (harhar):
6628 * For IEEE 754 64-bit formats [1]:
6630 * s 000 (mantissa all-zero) zero
6631 * s 000 (mantissa non-zero) subnormals (denormals)
6632 * s 001 ... 7fe normals
6635 * For IEEE 754 128-bit formats:
6637 * s 0000 (mantissa all-zero) zero
6638 * s 0000 (mantissa non-zero) subnormals (denormals)
6639 * s 0001 ... 7ffe normals
6642 * [1] this looks like big-endian, but applies equally to little-endian.
6644 * s = Sign bit. Yes, zeros and nans can have negative sign,
6645 * the interpretation is application-specific.
6647 * q = Quietness bit, the interpretation is platform-specific.
6648 * Most platforms have the most significant bit being one
6649 * meaning quiet, but some (older mips, hppa) have the msb
6650 * being one meaning signaling. Note that the above means
6651 * that on most platforms there cannot be signaling nan with
6652 * zero payload because that is identical with infinity;
6653 * while conversely on older mips/hppa there cannot be a quiet nan
6654 * because that is identical with infinity.
6656 * Moreover, whether there is any behavioral difference
6657 * between quiet and signaling NaNs, depends on the platform.
6659 * x86 80-bit extended precision is different, the mantissa bits:
6661 * 63 62 61 30387+ pre-387 visual c
6662 * -------- ---- -------- --------
6663 * 0 0 0 invalid infinity
6664 * 0 0 1 invalid snan
6665 * 0 1 0 invalid snan
6666 * 0 1 1 invalid snan
6667 * 1 0 0 infinity snan 1.#INF
6668 * 1 0 1 snan 1.#SNAN
6669 * 1 1 0 qnan -1.#IND (x86 chooses this to negative)
6670 * 1 1 1 qnan 1.#QNAN
6672 * This means that in this format there are 61 bits available
6673 * for the nan payload.
6675 * Note that the 32-bit x86 ABI cannot do signaling nans: the x87
6676 * simply cannot preserve the bit. You can either use the 80-bit
6677 * extended precision (long double, -Duselongdouble), or use x86-64.
6679 * In all platforms, the payload bytes (and bits, some of them are
6680 * often in a partial byte) themselves can be either all zero (x86),
6681 * all one (sparc or mips), or a mixture: in IEEE 754 128-bit double
6682 * or in a double-double, the first half of the payload can follow the
6683 * native double, while in the second half the payload can be all
6684 * zeros. (Therefore the mask for payload bits is not necessarily
6685 * identical to bit complement of the NaN.) Another way of putting
6686 * this: the payload for the default NaN might not be zero.
6688 * For the x86 80-bit long doubles, the trailing bytes (the 80 bits
6689 * being 'packaged' in either 12 or 16 bytes) can be whatever random
6692 * Furthermore, the semantics of the sign bit on NaNs are platform-specific.
6693 * On normal floats, the sign bit being on means negative. But this may,
6694 * or may not, be reverted on NaNs: in other words, the default NaN might
6695 * have the sign bit on, and therefore look like negative if you look
6696 * at it at the bit level.
6698 * NaN payloads are not propagated even on copies, or in arithmetics.
6699 * They *might* be, according to some rules, on your particular
6700 * cpu/os/compiler/libraries, but no guarantees.
6702 * To summarize, on most platforms, and for 64-bit doubles
6703 * (using big-endian ordering here):
6705 * [7FF8000000000000..7FFFFFFFFFFFFFFF] quiet
6706 * [FFF8000000000000..FFFFFFFFFFFFFFFF] quiet
6707 * [7FF0000000000001..7FF7FFFFFFFFFFFF] signaling
6708 * [FFF0000000000001..FFF7FFFFFFFFFFFF] signaling
6710 * The C99 nan() is supposed to generate *quiet* NaNs.
6712 * Note the asymmetry:
6713 * The 7FF0000000000000 is positive infinity,
6714 * the FFF0000000000000 is negative infinity.
6717 /* NVMANTBITS is the number of _real_ mantissa bits in an NV.
6718 * For the standard IEEE 754 fp this number is usually one less that
6719 * *DBL_MANT_DIG because of the implicit (aka hidden) bit, which isn't
6720 * real. For the 80-bit extended precision formats (x86*), the number
6721 * of mantissa bits... depends. For normal floats, it's 64. But for
6722 * the inf/nan, it's different (zero for inf, 61 for nan).
6723 * NVMANTBITS works for normal floats. */
6725 /* We do not want to include the quiet/signaling bit. */
6726 #define NV_NAN_BITS (NVMANTBITS - 1)
6728 #if defined(USE_LONG_DOUBLE) && NVSIZE > DOUBLESIZE
6729 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
6730 # define NV_NAN_QS_BYTE_OFFSET 13
6731 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
6732 # define NV_NAN_QS_BYTE_OFFSET 2
6733 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN
6734 # define NV_NAN_QS_BYTE_OFFSET 7
6735 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN
6736 # define NV_NAN_QS_BYTE_OFFSET 2
6737 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE
6738 # define NV_NAN_QS_BYTE_OFFSET 13
6739 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE
6740 # define NV_NAN_QS_BYTE_OFFSET 1
6741 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE
6742 # define NV_NAN_QS_BYTE_OFFSET 9
6743 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE
6744 # define NV_NAN_QS_BYTE_OFFSET 6
6746 # error "Unexpected long double format"
6749 # ifdef USE_QUADMATH
6750 # ifdef NV_LITTLE_ENDIAN
6751 # define NV_NAN_QS_BYTE_OFFSET 13
6752 # elif defined(NV_BIG_ENDIAN)
6753 # define NV_NAN_QS_BYTE_OFFSET 2
6755 # error "Unexpected quadmath format"
6757 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN
6758 # define NV_NAN_QS_BYTE_OFFSET 2
6759 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN
6760 # define NV_NAN_QS_BYTE_OFFSET 1
6761 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN
6762 # define NV_NAN_QS_BYTE_OFFSET 6
6763 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN
6764 # define NV_NAN_QS_BYTE_OFFSET 1
6765 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
6766 # define NV_NAN_QS_BYTE_OFFSET 13
6767 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
6768 # define NV_NAN_QS_BYTE_OFFSET 2
6769 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE
6770 # define NV_NAN_QS_BYTE_OFFSET 2 /* bytes 4 5 6 7 0 1 2 3 (MSB 7) */
6771 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE
6772 # define NV_NAN_QS_BYTE_OFFSET 5 /* bytes 3 2 1 0 7 6 5 4 (MSB 7) */
6774 /* For example the VAX formats should never
6775 * get here because they do not have NaN. */
6776 # error "Unexpected double format"
6779 /* NV_NAN_QS_BYTE is the byte to test for the quiet/signaling */
6780 #define NV_NAN_QS_BYTE(nvp) (((U8*)(nvp))[NV_NAN_QS_BYTE_OFFSET])
6781 /* NV_NAN_QS_BIT is the bit to test in the NV_NAN_QS_BYTE_OFFSET
6782 * for the quiet/signaling */
6783 #if defined(USE_LONG_DOUBLE) && \
6784 (LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN || \
6785 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN)
6786 # define NV_NAN_QS_BIT_SHIFT 6 /* 0x40 */
6787 #elif defined(USE_LONG_DOUBLE) && \
6788 (LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE || \
6789 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE || \
6790 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE || \
6791 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE)
6792 # define NV_NAN_QS_BIT_SHIFT 3 /* 0x08, but not via NV_NAN_BITS */
6794 # define NV_NAN_QS_BIT_SHIFT ((NV_NAN_BITS) % 8) /* usually 3, or 0x08 */
6796 #define NV_NAN_QS_BIT (1 << (NV_NAN_QS_BIT_SHIFT))
6797 /* NV_NAN_QS_BIT_OFFSET is the bit offset from the beginning of a NV
6798 * (bytes ordered big-endianly) for the quiet/signaling bit
6799 * for the quiet/signaling */
6800 #define NV_NAN_QS_BIT_OFFSET \
6801 (8 * (NV_NAN_QS_BYTE_OFFSET) + (NV_NAN_QS_BIT_SHIFT))
6802 /* NV_NAN_QS_QUIET (always defined) is true if the NV_NAN_QS_QS_BIT being
6803 * on indicates quiet NaN. NV_NAN_QS_SIGNALING (also always defined)
6804 * is true if the NV_NAN_QS_BIT being on indicates signaling NaN. */
6805 #define NV_NAN_QS_QUIET \
6806 ((NV_NAN_QS_BYTE(PL_nan.u8) & NV_NAN_QS_BIT) == NV_NAN_QS_BIT)
6807 #define NV_NAN_QS_SIGNALING (!(NV_NAN_QS_QUIET))
6808 #define NV_NAN_QS_TEST(nvp) (NV_NAN_QS_BYTE(nvp) & NV_NAN_QS_BIT)
6809 /* NV_NAN_IS_QUIET() returns true if the NV behind nvp is a NaN,
6810 * whether it is a quiet NaN, NV_NAN_IS_SIGNALING() if a signaling NaN.
6811 * Note however that these do not check whether the nvp is a NaN. */
6812 #define NV_NAN_IS_QUIET(nvp) \
6813 (NV_NAN_QS_TEST(nvp) == (NV_NAN_QS_QUIET ? NV_NAN_QS_BIT : 0))
6814 #define NV_NAN_IS_SIGNALING(nvp) \
6815 (NV_NAN_QS_TEST(nvp) == (NV_NAN_QS_QUIET ? 0 : NV_NAN_QS_BIT))
6816 #define NV_NAN_SET_QUIET(nvp) \
6817 (NV_NAN_QS_QUIET ? \
6818 (NV_NAN_QS_BYTE(nvp) |= NV_NAN_QS_BIT) : \
6819 (NV_NAN_QS_BYTE(nvp) &= ~NV_NAN_QS_BIT))
6820 #define NV_NAN_SET_SIGNALING(nvp) \
6821 (NV_NAN_QS_QUIET ? \
6822 (NV_NAN_QS_BYTE(nvp) &= ~NV_NAN_QS_BIT) : \
6823 (NV_NAN_QS_BYTE(nvp) |= NV_NAN_QS_BIT))
6824 #define NV_NAN_QS_XOR(nvp) (NV_NAN_QS_BYTE(nvp) ^= NV_NAN_QS_BIT)
6826 /* NV_NAN_PAYLOAD_MASK: masking the nan payload bits.
6828 * NV_NAN_PAYLOAD_PERM: permuting the nan payload bytes.
6829 * 0xFF means "don't go here".*/
6831 /* Shorthands to avoid typoses. */
6832 #define NV_NAN_PAYLOAD_MASK_SKIP_EIGHT \
6833 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0
6834 #define NV_NAN_PAYLOAD_PERM_SKIP_EIGHT \
6835 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6836 #define NV_NAN_PAYLOAD_PERM_0_TO_7 \
6837 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7
6838 #define NV_NAN_PAYLOAD_PERM_7_TO_0 \
6839 0x7, 0x6, 0x5, 0x4, 0x3, 0x2, 0x1, 0x0
6840 #define NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE \
6841 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
6842 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, 0x00, 0x00
6843 #define NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE \
6844 NV_NAN_PAYLOAD_PERM_0_TO_7, \
6845 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xFF, 0xFF
6846 #define NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE \
6847 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, \
6848 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6849 #define NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE \
6850 0xFF, 0xFF, 0xd, 0xc, 0xb, 0xa, 0x9, 0x8, \
6851 NV_NAN_PAYLOAD_PERM_7_TO_0
6852 #define NV_NAN_PAYLOAD_MASK_IEEE_754_64_LE \
6853 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x00
6854 #define NV_NAN_PAYLOAD_PERM_IEEE_754_64_LE \
6855 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0xFF
6856 #define NV_NAN_PAYLOAD_MASK_IEEE_754_64_BE \
6857 0x00, 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6858 #define NV_NAN_PAYLOAD_PERM_IEEE_754_64_BE \
6859 0xFF, 0x6, 0x5, 0x4, 0x3, 0x2, 0x1, 0x0
6861 #if defined(USE_LONG_DOUBLE) && NVSIZE > DOUBLESIZE
6862 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
6863 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE
6864 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE
6865 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
6866 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE
6867 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE
6868 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN
6869 # if LONG_DOUBLESIZE == 10
6870 # define NV_NAN_PAYLOAD_MASK \
6871 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, \
6873 # define NV_NAN_PAYLOAD_PERM \
6874 NV_NAN_PAYLOAD_PERM_0_TO_7, 0xFF, 0xFF
6875 # elif LONG_DOUBLESIZE == 12
6876 # define NV_NAN_PAYLOAD_MASK \
6877 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, \
6878 0x00, 0x00, 0x00, 0x00
6879 # define NV_NAN_PAYLOAD_PERM \
6880 NV_NAN_PAYLOAD_PERM_0_TO_7, 0xFF, 0xFF, 0xFF, 0xFF
6881 # elif LONG_DOUBLESIZE == 16
6882 # define NV_NAN_PAYLOAD_MASK \
6883 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, \
6884 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
6885 # define NV_NAN_PAYLOAD_PERM \
6886 NV_NAN_PAYLOAD_PERM_0_TO_7, \
6887 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
6889 # error "Unexpected x86 80-bit little-endian long double format"
6891 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN
6892 # if LONG_DOUBLESIZE == 10
6893 # define NV_NAN_PAYLOAD_MASK \
6894 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, \
6896 # define NV_NAN_PAYLOAD_PERM \
6897 NV_NAN_PAYLOAD_PERM_7_TO_0, 0xFF, 0xFF
6898 # elif LONG_DOUBLESIZE == 12
6899 # define NV_NAN_PAYLOAD_MASK \
6900 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, \
6901 0xff, 0xff, 0x00, 0x00
6902 # define NV_NAN_PAYLOAD_PERM \
6903 NV_NAN_PAYLOAD_PERM_7_TO_0, 0xFF, 0xFF, 0xFF, 0xFF
6904 # elif LONG_DOUBLESIZE == 16
6905 # define NV_NAN_PAYLOAD_MASK \
6906 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, \
6907 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
6908 # define NV_NAN_PAYLOAD_PERM \
6909 NV_NAN_PAYLOAD_PERM_7_TO_0, \
6910 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
6912 # error "Unexpected x86 80-bit big-endian long double format"
6914 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE
6915 /* For double-double we assume only the first double (in LE or BE terms)
6916 * is used for NaN. */
6917 # define NV_NAN_PAYLOAD_MASK \
6918 NV_NAN_PAYLOAD_MASK_SKIP_EIGHT, NV_NAN_PAYLOAD_MASK_IEEE_754_64_LE
6919 # define NV_NAN_PAYLOAD_PERM \
6920 NV_NAN_PAYLOAD_PERM_SKIP_EIGHT, NV_NAN_PAYLOAD_PERM_IEEE_754_64_LE
6921 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE
6922 # define NV_NAN_PAYLOAD_MASK \
6923 NV_NAN_PAYLOAD_MASK_IEEE_754_64_BE
6924 # define NV_NAN_PAYLOAD_PERM \
6925 NV_NAN_PAYLOAD_PERM_IEEE_754_64_BE
6926 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE
6927 # define NV_NAN_PAYLOAD_MASK \
6928 NV_NAN_PAYLOAD_MASK_IEEE_754_64_LE
6929 # define NV_NAN_PAYLOAD_PERM \
6930 NV_NAN_PAYLOAD_PERM_IEEE_754_64_LE
6931 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE
6932 # define NV_NAN_PAYLOAD_MASK \
6933 NV_NAN_PAYLOAD_MASK_SKIP_EIGHT, NV_NAN_PAYLOAD_MASK_IEEE_754_64_BE
6934 # define NV_NAN_PAYLOAD_PERM \
6935 NV_NAN_PAYLOAD_PERM_SKIP_EIGHT, NV_NAN_PAYLOAD_PERM_IEEE_754_64_BE
6937 # error "Unexpected long double format"
6940 # ifdef USE_QUADMATH /* quadmath is not long double */
6941 # ifdef NV_LITTLE_ENDIAN
6942 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE
6943 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE
6944 # elif defined(NV_BIG_ENDIAN)
6945 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE
6946 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE
6948 # error "Unexpected quadmath format"
6950 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN
6951 # define NV_NAN_PAYLOAD_MASK 0xff, 0xff, 0x07, 0x00
6952 # define NV_NAN_PAYLOAD_PERM 0x0, 0x1, 0x2, 0xFF
6953 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN
6954 # define NV_NAN_PAYLOAD_MASK 0x00, 0x07, 0xff, 0xff
6955 # define NV_NAN_PAYLOAD_PERM 0xFF, 0x2, 0x1, 0x0
6956 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN
6957 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_64_LE
6958 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_64_LE
6959 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN
6960 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_64_BE
6961 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_64_BE
6962 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
6963 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE
6964 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE
6965 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
6966 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE
6967 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE
6968 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE
6969 # define NV_NAN_PAYLOAD_MASK 0xff, 0xff, 0x07, 0x00, 0xff, 0xff, 0xff, 0xff
6970 # define NV_NAN_PAYLOAD_PERM 0x4, 0x5, 0x6, 0xFF, 0x0, 0x1, 0x2, 0x3
6971 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE
6972 # define NV_NAN_PAYLOAD_MASK 0xff, 0xff, 0xff, 0xff, 0x00, 0x07, 0xff, 0xff
6973 # define NV_NAN_PAYLOAD_PERM 0x3, 0x2, 0x1, 0x0, 0xFF, 0x6, 0x5, 0x4
6975 # error "Unexpected double format"
6979 #endif /* DOUBLE_HAS_NAN */
6984 (KEEP THIS LAST IN perl.h!)
7026 so that Configure picks them up.
7028 (KEEP THIS LAST IN perl.h!)
7032 #endif /* Include guard */
7035 * ex: set ts=8 sts=4 sw=4 et: