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)
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_DECL(-Wmultichar);
396 * GCC_DIAG_RESTORE_DECL;
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: all macros must be used at a place where a declaration
404 * or statement can occur, i.e., not in the middle of an expression.
405 * *_DIAG_IGNORE() and *_DIAG_RESTORE can be used in any such place, but
406 * must be used without a following semicolon. *_DIAG_IGNORE_DECL() and
407 * *_DIAG_RESTORE_DECL must be used with a following semicolon, and behave
408 * syntactically as declarations (like dNOOP). *_DIAG_IGNORE_STMT()
409 * and *_DIAG_RESTORE_STMT must be used with a following semicolon,
410 * and behave syntactically as statements (like NOOP).
414 #if defined(__clang__) || defined(__clang) || \
415 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
416 # define GCC_DIAG_PRAGMA(x) _Pragma (#x)
417 /* clang has "clang diagnostic" pragmas, but also understands gcc. */
418 # define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
419 GCC_DIAG_PRAGMA(GCC diagnostic ignored #x)
420 # define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
422 # define GCC_DIAG_IGNORE(w)
423 # define GCC_DIAG_RESTORE
425 #define GCC_DIAG_IGNORE_DECL(x) GCC_DIAG_IGNORE(x) dNOOP
426 #define GCC_DIAG_RESTORE_DECL GCC_DIAG_RESTORE dNOOP
427 #define GCC_DIAG_IGNORE_STMT(x) GCC_DIAG_IGNORE(x) NOOP
428 #define GCC_DIAG_RESTORE_STMT GCC_DIAG_RESTORE NOOP
429 /* for clang specific pragmas */
430 #if defined(__clang__) || defined(__clang)
431 # define CLANG_DIAG_PRAGMA(x) _Pragma (#x)
432 # define CLANG_DIAG_IGNORE(x) _Pragma("clang diagnostic push") \
433 CLANG_DIAG_PRAGMA(clang diagnostic ignored #x)
434 # define CLANG_DIAG_RESTORE _Pragma("clang diagnostic pop")
436 # define CLANG_DIAG_IGNORE(w)
437 # define CLANG_DIAG_RESTORE
439 #define CLANG_DIAG_IGNORE_DECL(x) CLANG_DIAG_IGNORE(x) dNOOP
440 #define CLANG_DIAG_RESTORE_DECL CLANG_DIAG_RESTORE dNOOP
441 #define CLANG_DIAG_IGNORE_STMT(x) CLANG_DIAG_IGNORE(x) NOOP
442 #define CLANG_DIAG_RESTORE_STMT CLANG_DIAG_RESTORE NOOP
444 #define NOOP /*EMPTY*/(void)0
445 #define dNOOP struct Perl___notused_struct
448 /* Don't bother defining tTHX ; using it outside
449 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
455 # define aTHXa(a) NOOP
456 # define dTHXa(a) dNOOP
474 /* these are only defined for compatibility; should not be used internally */
475 #if !defined(pTHXo) && !defined(PERL_CORE)
477 # define pTHXo_ pTHX_
479 # define aTHXo_ aTHX_
481 # define dTHXoa(x) dTHXa(x)
485 # define pTHXx PerlInterpreter *my_perl
486 # define pTHXx_ pTHXx,
487 # define aTHXx my_perl
488 # define aTHXx_ aTHXx,
492 /* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
493 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
494 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
495 #ifdef PERL_IMPLICIT_SYS
496 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
497 # define dTHXs dVAR; dTHX
502 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
509 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
510 # ifndef PERL_USE_GCC_BRACE_GROUPS
511 # define PERL_USE_GCC_BRACE_GROUPS
516 * STMT_START { statements; } STMT_END;
517 * can be used as a single statement, as in
518 * if (x) STMT_START { ... } STMT_END; else ...
520 * Trying to select a version that gives no warnings...
522 #if !(defined(STMT_START) && defined(STMT_END))
523 # ifdef PERL_USE_GCC_BRACE_GROUPS
524 # define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
527 # define STMT_START do
528 # define STMT_END while (0)
532 #ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
533 # define BYTEORDER 0x1234
536 /* Overall memory policy? */
541 #if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
548 * The following contortions are brought to you on behalf of all the
549 * standards, semi-standards, de facto standards, not-so-de-facto standards
550 * of the world, as well as all the other botches anyone ever thought of.
551 * The basic theory is that if we work hard enough here, the rest of the
552 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
555 /* define this once if either system, instead of cluttering up the src */
556 #if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
560 /* These exist only for back-compat with XS modules. */
563 #define CAN_PROTOTYPE
570 /* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
571 * you get a perl without taint support, but doubtlessly with a lesser
572 * degree of support. Do not do so unless you know exactly what it means
573 * technically, have a good reason to do so, and know exactly how the
574 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
575 * a potential security risk due to flat out ignoring the security-relevant
576 * taint flags. This being said, a perl without taint support compiled in
577 * has marginal run-time performance benefits.
578 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
579 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
580 * silently ignores -t/-T instead of throwing an exception.
582 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
583 * voids your nonexistent warranty!
585 #if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
586 # define NO_TAINT_SUPPORT 1
589 /* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
590 * operations into no-ops for a very modest speed-up. Enable only if you
591 * know what you're doing: tests and CPAN modules' tests are bound to fail.
593 #ifdef NO_TAINT_SUPPORT
595 # define TAINT_NOT NOOP
596 # define TAINT_IF(c) NOOP
597 # define TAINT_ENV() NOOP
598 # define TAINT_PROPER(s) NOOP
599 # define TAINT_set(s) NOOP
601 # define TAINTING_get 0
602 # define TAINTING_set(s) NOOP
603 # define TAINT_WARN_get 0
604 # define TAINT_WARN_set(s) NOOP
606 # define TAINT (PL_tainted = PL_tainting)
607 # define TAINT_NOT (PL_tainted = FALSE)
608 # define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = PL_tainting; }
609 # define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
610 # define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
611 # define TAINT_set(s) (PL_tainted = (s))
612 # define TAINT_get (PL_tainted)
613 # define TAINTING_get (PL_tainting)
614 # define TAINTING_set(s) (PL_tainting = (s))
615 # define TAINT_WARN_get (PL_taint_warn)
616 # define TAINT_WARN_set(s) (PL_taint_warn = (s))
619 /* flags used internally only within pp_subst and pp_substcont */
621 # define SUBST_TAINT_STR 1 /* string tainted */
622 # define SUBST_TAINT_PAT 2 /* pattern tainted */
623 # define SUBST_TAINT_REPL 4 /* replacement tainted */
624 # define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
625 # define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
628 /* XXX All process group stuff is handled in pp_sys.c. Should these
629 defines move there? If so, I could simplify this a lot. --AD 9/96.
631 /* Process group stuff changed from traditional BSD to POSIX.
632 perlfunc.pod documents the traditional BSD-style syntax, so we'll
633 try to preserve that, if possible.
636 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
637 #elif defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
638 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
639 #elif defined(HAS_SETPGRP2)
640 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
642 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
643 # define HAS_SETPGRP /* Well, effectively it does . . . */
646 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
647 our life easier :-) so we'll try it.
650 # define BSD_GETPGRP(pid) getpgid((pid))
651 #elif defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
652 # define BSD_GETPGRP(pid) getpgrp((pid))
653 #elif defined(HAS_GETPGRP2)
654 # define BSD_GETPGRP(pid) getpgrp2((pid))
656 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
657 # define HAS_GETPGRP /* Well, effectively it does . . . */
660 /* These are not exact synonyms, since setpgrp() and getpgrp() may
661 have different behaviors, but perl.h used to define USE_BSDPGRP
662 (prior to 5.003_05) so some extension might depend on it.
664 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
670 /* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
671 pthread.h must be included before all other header files.
673 #if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
674 # include <pthread.h>
677 #include <sys/types.h>
679 /* EVC 4 SDK headers includes a bad definition of MB_CUR_MAX in stdlib.h
680 which is included from stdarg.h. Bad definition not present in SD 2008
681 SDK headers. wince.h is not yet included, so we cant fix this from there
682 since by then MB_CUR_MAX will be defined from stdlib.h.
683 cewchar.h includes a correct definition of MB_CUR_MAX and it is copied here
684 since cewchar.h can't be included this early */
685 #if defined(UNDER_CE) && (_MSC_VER < 1300)
686 # define MB_CUR_MAX 1uL
699 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
712 # include <xlocale.h>
715 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
717 # define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
719 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
720 && defined(HAS_STRXFRM)
721 # define USE_LOCALE_COLLATE
723 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
724 # define USE_LOCALE_CTYPE
726 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
727 # define USE_LOCALE_NUMERIC
729 # if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
730 # define USE_LOCALE_MESSAGES
732 # if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
733 # define USE_LOCALE_MONETARY
735 # if !defined(NO_LOCALE_TIME) && defined(LC_TIME)
736 # define USE_LOCALE_TIME
738 #endif /* !NO_LOCALE && HAS_SETLOCALE */
743 # ifdef PARAM_NEEDS_TYPES
744 # include <sys/types.h>
746 # include <sys/param.h>
749 /* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
750 value something like 199306. This may be useful if no more-specific
751 feature test is available.
759 /* Use all the "standard" definitions */
762 /* If this causes problems, set i_unistd=undef in the hint file. */
764 # if defined(__amigaos4__)
766 # include <netinet/in.h>
770 # if defined(__amigaos4__)
771 /* Under AmigaOS 4 newlib.library provides an environ. However using
772 * it doesn't give us enough control over inheritance of variables by
773 * subshells etc. so replace with custom version based on abc-shell
775 extern char **myenviron;
777 # define environ myenviron
783 # include <sys/wait.h>
787 # undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
790 #if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
791 EXTERN_C int syscall(int, ...);
794 #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
795 EXTERN_C int usleep(unsigned int);
798 /* macros for correct constant construction. These are in C99 <stdint.h>
799 * (so they will not be available in strict C89 mode), but they are nice, so
800 * let's define them if necessary. */
803 # define UINT16_C(x) ((U16_TYPE)x##U)
805 # define UINT16_C(x) ((U16_TYPE)x##UL)
811 # define UINT32_C(x) ((U32_TYPE)x##U)
813 # define UINT32_C(x) ((U32_TYPE)x##UL)
818 typedef intmax_t PERL_INTMAX_T;
819 typedef uintmax_t PERL_UINTMAX_T;
822 /* N.B. We use QUADKIND here instead of HAS_QUAD here, because that doesn't
823 * actually mean what it has always been documented to mean (see RT #119753)
824 * and is explicitly turned off outside of core with dire warnings about
825 * removing the undef. */
827 #if defined(QUADKIND)
829 # undef PeRl_UINT64_C
830 /* Prefer the native integer types (int and long) over long long
831 * (which is not C89) and Win32-specific __int64. */
832 # if QUADKIND == QUAD_IS_INT && INTSIZE == 8
833 # define PeRl_INT64_C(c) (c)
834 # define PeRl_UINT64_C(c) CAT2(c,U)
836 # if QUADKIND == QUAD_IS_LONG && LONGSIZE == 8
837 # define PeRl_INT64_C(c) CAT2(c,L)
838 # define PeRl_UINT64_C(c) CAT2(c,UL)
840 # if QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_LONG_LONG)
841 # define PeRl_INT64_C(c) CAT2(c,LL)
842 # define PeRl_UINT64_C(c) CAT2(c,ULL)
844 # if QUADKIND == QUAD_IS___INT64
845 # define PeRl_INT64_C(c) CAT2(c,I64)
846 # define PeRl_UINT64_C(c) CAT2(c,UI64)
848 # ifndef PeRl_INT64_C
849 # define PeRl_INT64_C(c) ((I64)(c)) /* last resort */
850 # define PeRl_UINT64_C(c) ((U64TYPE)(c))
852 /* In OS X the INT64_C/UINT64_C are defined with LL/ULL, which will
853 * not fly with C89-pedantic gcc, so let's undefine them first so that
854 * we can redefine them with our native integer preferring versions. */
855 # if defined(PERL_DARWIN) && defined(PERL_GCC_PEDANTIC)
860 # define INT64_C(c) PeRl_INT64_C(c)
863 # define UINT64_C(c) PeRl_UINT64_C(c)
867 typedef I64TYPE PERL_INTMAX_T;
868 typedef U64TYPE PERL_UINTMAX_T;
871 # define INTMAX_C(c) INT64_C(c)
874 # define UINTMAX_C(c) UINT64_C(c)
877 #else /* below QUADKIND is undefined */
879 /* Perl doesn't work on 16 bit systems, so must be 32 bit */
881 typedef I32TYPE PERL_INTMAX_T;
882 typedef U32TYPE PERL_UINTMAX_T;
885 # define INTMAX_C(c) INT32_C(c)
888 # define UINTMAX_C(c) UINT32_C(c)
891 #endif /* no QUADKIND */
895 /* byte-swapping functions for big-/little-endian conversion */
896 # define _swab_16_(x) ((U16)( \
897 (((U16)(x) & UINT16_C(0x00ff)) << 8) | \
898 (((U16)(x) & UINT16_C(0xff00)) >> 8) ))
900 # define _swab_32_(x) ((U32)( \
901 (((U32)(x) & UINT32_C(0x000000ff)) << 24) | \
902 (((U32)(x) & UINT32_C(0x0000ff00)) << 8) | \
903 (((U32)(x) & UINT32_C(0x00ff0000)) >> 8) | \
904 (((U32)(x) & UINT32_C(0xff000000)) >> 24) ))
907 # define _swab_64_(x) ((U64)( \
908 (((U64)(x) & UINT64_C(0x00000000000000ff)) << 56) | \
909 (((U64)(x) & UINT64_C(0x000000000000ff00)) << 40) | \
910 (((U64)(x) & UINT64_C(0x0000000000ff0000)) << 24) | \
911 (((U64)(x) & UINT64_C(0x00000000ff000000)) << 8) | \
912 (((U64)(x) & UINT64_C(0x000000ff00000000)) >> 8) | \
913 (((U64)(x) & UINT64_C(0x0000ff0000000000)) >> 24) | \
914 (((U64)(x) & UINT64_C(0x00ff000000000000)) >> 40) | \
915 (((U64)(x) & UINT64_C(0xff00000000000000)) >> 56) ))
918 /* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
919 at least on FreeBSD. YMMV, so experiment. */
920 #ifndef PERL_ARENA_SIZE
921 #define PERL_ARENA_SIZE 4080
924 /* Maximum level of recursion */
925 #ifndef PERL_SUB_DEPTH_WARN
926 #define PERL_SUB_DEPTH_WARN 100
929 #endif /* PERL_CORE */
931 /* Maximum number of args that may be passed to an OP_MULTICONCAT op.
932 * It determines the size of local arrays in S_maybe_multiconcat() and
935 #define PERL_MULTICONCAT_MAXARG 64
937 /* The indexes of fields of a multiconcat aux struct.
938 * The fixed fields are followed by nargs+1 const segment lengths,
939 * and if utf8 and non-utf8 differ, a second nargs+1 set for utf8.
942 #define PERL_MULTICONCAT_IX_NARGS 0 /* number of arguments */
943 #define PERL_MULTICONCAT_IX_PLAIN_PV 1 /* non-utf8 constant string */
944 #define PERL_MULTICONCAT_IX_PLAIN_LEN 2 /* non-utf8 constant string length */
945 #define PERL_MULTICONCAT_IX_UTF8_PV 3 /* utf8 constant string */
946 #define PERL_MULTICONCAT_IX_UTF8_LEN 4 /* utf8 constant string length */
947 #define PERL_MULTICONCAT_IX_LENGTHS 5 /* first of nargs+1 const segment lens */
948 #define PERL_MULTICONCAT_HEADER_SIZE 5 /* The number of fields of a
949 multiconcat header */
951 /* We no longer default to creating a new SV for GvSV.
952 Do this before embed. */
953 #ifndef PERL_CREATE_GVSV
954 # ifndef PERL_DONT_CREATE_GVSV
955 # define PERL_DONT_CREATE_GVSV
959 #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
960 #define PERL_USES_PL_PIDSTATUS
963 #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
964 #define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
967 #define MEM_SIZE Size_t
969 /* Round all values passed to malloc up, by default to a multiple of
972 #ifndef PERL_STRLEN_ROUNDUP_QUANTUM
973 #define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
976 /* sv_grow() will expand strings by at least a certain percentage of
977 the previously *used* length to avoid excessive calls to realloc().
978 The default is 25% of the current length.
980 #ifndef PERL_STRLEN_EXPAND_SHIFT
981 # define PERL_STRLEN_EXPAND_SHIFT 2
985 #define STRUCT_OFFSET(s,m) offsetof(s,m)
987 /* ptrdiff_t is C11, so undef it under pedantic builds */
988 #ifdef PERL_GCC_PEDANTIC
989 # undef HAS_PTRDIFF_T
992 #ifndef __SYMBIAN32__
996 /* This comes after <stdlib.h> so we don't try to change the standard
997 * library prototypes; we'll use our own in proto.h instead. */
1000 # ifdef PERL_POLLUTE_MALLOC
1001 # ifndef PERL_EXTMALLOC_DEF
1002 # define Perl_malloc malloc
1003 # define Perl_calloc calloc
1004 # define Perl_realloc realloc
1005 # define Perl_mfree free
1008 # define EMBEDMYMALLOC /* for compatibility */
1011 # define safemalloc Perl_malloc
1012 # define safecalloc Perl_calloc
1013 # define saferealloc Perl_realloc
1014 # define safefree Perl_mfree
1015 # define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1016 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1019 # define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1020 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1021 # define panic_write2(s) write(2, s, strlen(s))
1022 # define CHECK_MALLOC_TAINT(newval) \
1023 CHECK_MALLOC_TOO_LATE_FOR_( \
1025 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
1027 # define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
1028 if (doing_taint(argc,argv,env)) { \
1029 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1031 #else /* MYMALLOC */
1032 # define safemalloc safesysmalloc
1033 # define safecalloc safesyscalloc
1034 # define saferealloc safesysrealloc
1035 # define safefree safesysfree
1036 # define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1037 # define CHECK_MALLOC_TAINT(newval) ((void)0)
1038 # define MALLOC_CHECK_TAINT(argc,argv,env)
1039 #endif /* MYMALLOC */
1041 /* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
1042 #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)
1043 #define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1044 #define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1045 #define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1048 # define memzero(d,l) memset(d,0,l)
1052 # include <netinet/in.h>
1056 # include <arpa/inet.h>
1060 # include <sys/stat.h>
1063 /* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1064 This definition should ideally go into win32/win32.h, but S_IFIFO is
1065 used later here in perl.h before win32/win32.h is being included. */
1066 #if !defined(S_IFIFO) && defined(_S_IFIFO)
1067 # define S_IFIFO _S_IFIFO
1070 /* The stat macros for Unisoft System V/88 (and derivatives
1071 like UTekV) are broken, sometimes giving false positives. Undefine
1072 them here and let the code below set them to proper values.
1074 The ghs macro stands for GreenHills Software C-1.8.5 which
1075 is the C compiler for sysV88 and the various derivatives.
1076 This header file bug is corrected in gcc-2.5.8 and later versions.
1077 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1079 #if defined(m88k) && defined(ghs)
1091 # ifdef I_SYS_TIME_KERNEL
1094 # include <sys/time.h>
1095 # ifdef I_SYS_TIME_KERNEL
1100 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
1101 # include <sys/times.h>
1106 #if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
1107 # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1110 #if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1111 # include <sys/socket.h>
1112 # if defined(USE_SOCKS) && defined(I_SOCKS)
1113 # if !defined(INCLUDE_PROTOTYPES)
1114 # define INCLUDE_PROTOTYPES /* for <socks.h> */
1115 # define PERL_SOCKS_NEED_PROTOTYPES
1118 # ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1119 # undef INCLUDE_PROTOTYPES
1120 # undef PERL_SOCKS_NEED_PROTOTYPES
1131 # include <net/errno.h>
1136 /* sockatmark() is so new (2001) that many places might have it hidden
1137 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1138 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
1139 #if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
1140 # if defined(__THROW) && defined(__GLIBC__)
1141 int sockatmark(int) __THROW;
1143 int sockatmark(int);
1147 #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. */
1148 EXTERN_C int fchdir(int);
1149 EXTERN_C int flock(int, int);
1150 EXTERN_C int fseeko(FILE *, off_t, int);
1151 EXTERN_C off_t ftello(FILE *);
1154 #if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1155 EXTERN_C char *crypt(const char *, const char *);
1158 #if defined(__cplusplus) && defined(__CYGWIN__)
1159 EXTERN_C char *crypt(const char *, const char *);
1163 # undef SETERRNO /* SOCKS might have defined this */
1167 # define SETERRNO(errcode,vmserrcode) \
1169 set_errno(errcode); \
1170 set_vaxc_errno(vmserrcode); \
1172 # define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1173 # define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1174 # define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1175 # define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1177 # define LIB_INVARG LIB$_INVARG
1178 # define RMS_DIR RMS$_DIR
1179 # define RMS_FAC RMS$_FAC
1180 # define RMS_FEX RMS$_FEX
1181 # define RMS_FNF RMS$_FNF
1182 # define RMS_IFI RMS$_IFI
1183 # define RMS_ISI RMS$_ISI
1184 # define RMS_PRV RMS$_PRV
1185 # define SS_ACCVIO SS$_ACCVIO
1186 # define SS_DEVOFFLINE SS$_DEVOFFLINE
1187 # define SS_IVCHAN SS$_IVCHAN
1188 # define SS_NORMAL SS$_NORMAL
1189 # define SS_NOPRIV SS$_NOPRIV
1190 # define SS_BUFFEROVF SS$_BUFFEROVF
1192 # define LIB_INVARG 0
1200 # define SS_ACCVIO 0
1201 # define SS_DEVOFFLINE 0
1202 # define SS_IVCHAN 0
1203 # define SS_NORMAL 0
1204 # define SS_NOPRIV 0
1205 # define SS_BUFFEROVF 0
1209 # define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1210 # define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1211 # define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1212 # define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1216 # define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1217 # define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1218 # define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1219 # define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1223 # define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1227 # define dSAVEDERRNO int saved_errno
1228 # define dSAVE_ERRNO int saved_errno = errno
1229 # define SAVE_ERRNO (saved_errno = errno)
1230 # define RESTORE_ERRNO (errno = saved_errno)
1233 #define ERRSV GvSVn(PL_errgv)
1235 /* contains inlined gv_add_by_type */
1236 #define CLEAR_ERRSV() STMT_START { \
1237 SV ** const svp = &GvSV(PL_errgv); \
1239 *svp = newSVpvs(""); \
1240 } else if (SvREADONLY(*svp)) { \
1241 SvREFCNT_dec_NN(*svp); \
1242 *svp = newSVpvs(""); \
1244 SV *const errsv = *svp; \
1246 SvPOK_only(errsv); \
1247 if (SvMAGICAL(errsv)) { \
1255 # define DEFSV (0 + GvSVn(PL_defgv))
1256 # define DEFSV_set(sv) \
1257 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1258 # define SAVE_DEFSV \
1260 save_gp(PL_defgv, 0), \
1261 GvINTRO_off(PL_defgv), \
1262 SAVEGENERICSV(GvSV(PL_defgv)), \
1263 GvSV(PL_defgv) = NULL \
1266 # define DEFSV GvSVn(PL_defgv)
1267 # define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1268 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
1272 extern int errno; /* ANSI allows errno to be an lvalue expr.
1273 * For example in multithreaded environments
1274 * something like this might happen:
1275 * extern int *_errno(void);
1276 * #define errno (*_errno()) */
1279 #define UNKNOWN_ERRNO_MSG "(unknown)"
1282 #define Strerror(e) strerror((e), vaxc$errno)
1284 #define Strerror(e) strerror(e)
1289 # include <sys/ioctl.h>
1293 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
1294 # ifdef HAS_SOCKETPAIR
1295 # undef HAS_SOCKETPAIR
1302 #ifndef HAS_SOCKETPAIR
1304 # define socketpair Perl_my_socketpair
1309 # define htoni htons
1310 # define ntohi ntohs
1312 # define htoni htonl
1313 # define ntohi ntohl
1316 /* Configure already sets Direntry_t */
1317 #if defined(I_DIRENT)
1318 # include <dirent.h>
1319 #elif defined(I_SYS_NDIR)
1320 # include <sys/ndir.h>
1321 #elif defined(I_SYS_DIR)
1322 # include <sys/dir.h>
1326 * The following gobbledygook brought to you on behalf of __STDC__.
1327 * (I could just use #ifndef __STDC__, but this is more bulletproof
1328 * in the face of half-implementations.)
1331 #if defined(I_SYSMODE)
1332 #include <sys/mode.h>
1337 # define S_IFMT _S_IFMT
1339 # define S_IFMT 0170000
1344 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1348 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1353 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1355 # define S_ISBLK(m) (0)
1360 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1365 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1367 # define S_ISFIFO(m) (0)
1373 # define S_ISLNK(m) _S_ISLNK(m)
1374 # elif defined(_S_IFLNK)
1375 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1376 # elif defined(S_IFLNK)
1377 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1379 # define S_ISLNK(m) (0)
1385 # define S_ISSOCK(m) _S_ISSOCK(m)
1386 # elif defined(_S_IFSOCK)
1387 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1388 # elif defined(S_IFSOCK)
1389 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1391 # define S_ISSOCK(m) (0)
1397 # define S_IRUSR S_IREAD
1398 # define S_IWUSR S_IWRITE
1399 # define S_IXUSR S_IEXEC
1401 # define S_IRUSR 0400
1402 # define S_IWUSR 0200
1403 # define S_IXUSR 0100
1409 # define S_IRGRP (S_IRUSR>>3)
1410 # define S_IWGRP (S_IWUSR>>3)
1411 # define S_IXGRP (S_IXUSR>>3)
1413 # define S_IRGRP 0040
1414 # define S_IWGRP 0020
1415 # define S_IXGRP 0010
1421 # define S_IROTH (S_IRUSR>>6)
1422 # define S_IWOTH (S_IWUSR>>6)
1423 # define S_IXOTH (S_IXUSR>>6)
1425 # define S_IROTH 0040
1426 # define S_IWOTH 0020
1427 # define S_IXOTH 0010
1432 # define S_ISUID 04000
1436 # define S_ISGID 02000
1440 # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
1444 # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
1448 # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
1451 /* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1452 * which would get included through <sys/file.h >, but that is 3000
1453 * lines in the future. --jhi */
1455 #if !defined(S_IREAD) && !defined(__HAIKU__)
1456 # define S_IREAD S_IRUSR
1459 #if !defined(S_IWRITE) && !defined(__HAIKU__)
1460 # define S_IWRITE S_IWUSR
1464 # define S_IEXEC S_IXUSR
1467 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
1468 # define SLOPPYDIVIDE
1475 /* This used to be conditionally defined based on whether we had a sprintf()
1476 * that correctly returns the string length (as required by C89), but we no
1477 * longer need that. XS modules can (and do) use this name, so it must remain
1478 * a part of the API that's visible to modules. But we no longer document it
1479 * either (because using sprintf() rather than snprintf() is almost always
1481 #define my_sprintf sprintf
1484 * If we have v?snprintf() and the C99 variadic macros, we can just
1485 * use just the v?snprintf(). It is nice to try to trap the buffer
1486 * overflow, however, so if we are DEBUGGING, and we cannot use the
1487 * gcc statement expressions, then use the function wrappers which try
1488 * to trap the overflow. If we can use the gcc statement expressions,
1489 * we can try that even with the version that uses the C99 variadic
1493 /* Note that we do not check against snprintf()/vsnprintf() returning
1494 * negative values because that is non-standard behaviour and we use
1495 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1496 * that should be true only if the snprintf()/vsnprintf() are true
1497 * to the standard. */
1499 #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
1502 # define my_snprintf Perl_my_snprintf
1503 # define PERL_MY_SNPRINTF_GUARDED
1504 #elif defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1505 # ifdef PERL_USE_GCC_BRACE_GROUPS
1506 # define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1507 # define PERL_MY_SNPRINTF_GUARDED
1509 # define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
1512 # define my_snprintf Perl_my_snprintf
1513 # define PERL_MY_SNPRINTF_GUARDED
1516 /* There is no quadmath_vsnprintf, and therefore my_vsnprintf()
1517 * dies if called under USE_QUADMATH. */
1518 #if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1519 # ifdef PERL_USE_GCC_BRACE_GROUPS
1520 # define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1521 # define PERL_MY_VSNPRINTF_GUARDED
1523 # define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
1526 # define my_vsnprintf Perl_my_vsnprintf
1527 # define PERL_MY_VSNPRINTF_GUARDED
1530 /* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1531 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1532 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1533 * completely ignore it: otherwise you cannot know whether your output
1536 * int len = my_sprintf(buf, max, ...);
1537 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1539 * The trick is that in certain platforms [a] the my_sprintf() already
1540 * contains the sanity check, while in certain platforms [b] it needs
1541 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1542 * platforms the POST_GUARD actually does nothing since the check has
1543 * already been done. Watch out for the max being the same in both calls.
1545 * If you actually use the snprintf/vsnprintf return value already,
1546 * you assumedly are checking its validity somehow. But you can
1547 * insert the POST_GUARD() also in that case. */
1549 #ifndef PERL_MY_SNPRINTF_GUARDED
1550 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1552 # define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1555 #ifndef PERL_MY_VSNPRINTF_GUARDED
1556 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1558 # define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1562 # define my_strlcat strlcat
1564 # define my_strlcat Perl_my_strlcat
1567 #if defined(PERL_CORE) || defined(PERL_EXT)
1569 # define my_memrchr memrchr
1571 # define my_memrchr S_my_memrchr
1576 # define my_strlcpy strlcpy
1578 # define my_strlcpy Perl_my_strlcpy
1582 # define my_strnlen strnlen
1584 # define my_strnlen Perl_my_strnlen
1588 The IV type is supposed to be long enough to hold any integral
1590 --Andy Dougherty August 1996
1596 #if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
1597 # if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
1598 # define IV_MAX INT64_MAX
1599 # define IV_MIN INT64_MIN
1600 # define UV_MAX UINT64_MAX
1602 # define UINT64_MIN 0
1604 # define UV_MIN UINT64_MIN
1606 # define IV_MAX PERL_QUAD_MAX
1607 # define IV_MIN PERL_QUAD_MIN
1608 # define UV_MAX PERL_UQUAD_MAX
1609 # define UV_MIN PERL_UQUAD_MIN
1614 # if defined(INT32_MAX) && IVSIZE == 4
1615 # define IV_MAX INT32_MAX
1616 # define IV_MIN INT32_MIN
1617 # ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1618 # define UV_MAX UINT32_MAX
1620 # define UV_MAX 4294967295U
1623 # define UINT32_MIN 0
1625 # define UV_MIN UINT32_MIN
1627 # define IV_MAX PERL_LONG_MAX
1628 # define IV_MIN PERL_LONG_MIN
1629 # define UV_MAX PERL_ULONG_MAX
1630 # define UV_MIN PERL_ULONG_MIN
1641 #if !defined(PERL_CORE) || defined(USING_MSVC6)
1642 /* We think that removing this decade-old undef this will cause too much
1643 breakage on CPAN for too little gain. (See RT #119753)
1644 However, we do need HAS_QUAD in the core for use by the drand48 code,
1645 but not for Win32 VC6 because it has poor __int64 support. */
1651 #define Size_t_MAX (~(Size_t)0)
1652 #define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1)
1654 #define IV_DIG (BIT_DIGITS(IVSIZE * 8))
1655 #define UV_DIG (BIT_DIGITS(UVSIZE * 8))
1657 #ifndef NO_PERL_PRESERVE_IVUV
1658 #define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
1662 * The macros INT2PTR and NUM2PTR are (despite their names)
1663 * bi-directional: they will convert int/float to or from pointers.
1664 * However the conversion to int/float are named explicitly:
1665 * PTR2IV, PTR2UV, PTR2NV.
1667 * For int conversions we do not need two casts if pointers are
1668 * the same size as IV and UV. Otherwise we need an explicit
1669 * cast (PTRV) to avoid compiler warnings.
1671 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1673 # define INT2PTR(any,d) (any)(d)
1674 #elif PTRSIZE == LONGSIZE
1675 # define PTRV unsigned long
1676 # define PTR2ul(p) (unsigned long)(p)
1678 # define PTRV unsigned
1682 # define INT2PTR(any,d) (any)(PTRV)(d)
1686 # define PTR2ul(p) INT2PTR(unsigned long,p)
1689 #define NUM2PTR(any,d) (any)(PTRV)(d)
1690 #define PTR2IV(p) INT2PTR(IV,p)
1691 #define PTR2UV(p) INT2PTR(UV,p)
1692 #define PTR2NV(p) NUM2PTR(NV,p)
1693 #define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
1695 /* According to strict ANSI C89 one cannot freely cast between
1696 * data pointers and function (code) pointers. There are at least
1697 * two ways around this. One (used below) is to do two casts,
1698 * first the other pointer to an (unsigned) integer, and then
1699 * the integer to the other pointer. The other way would be
1700 * to use unions to "overlay" the pointers. For an example of
1701 * the latter technique, see union dirpu in struct xpvio in sv.h.
1702 * The only feasible use is probably temporarily storing
1703 * function pointers in a data pointer (such as a void pointer). */
1705 #define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1706 #define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
1708 #ifdef USE_LONG_DOUBLE
1709 # if LONG_DOUBLESIZE == DOUBLESIZE
1710 # define LONG_DOUBLE_EQUALS_DOUBLE
1711 # undef USE_LONG_DOUBLE /* Ouch! */
1715 /* The following is all to get LDBL_DIG, in order to pick a nice
1716 default value for printing floating point numbers in Gconvert.
1719 #ifndef HAS_LDBL_DIG
1720 # if LONG_DOUBLESIZE == 10
1721 # define LDBL_DIG 18 /* assume IEEE */
1722 # elif LONG_DOUBLESIZE == 12
1723 # define LDBL_DIG 18 /* gcc? */
1724 # elif LONG_DOUBLESIZE == 16
1725 # define LDBL_DIG 33 /* assume IEEE */
1726 # elif LONG_DOUBLESIZE == DOUBLESIZE
1727 # define LDBL_DIG DBL_DIG /* bummer */
1734 # include <ieeefp.h>
1738 /* VC6 has broken NaN semantics: NaN == NaN returns true instead of false,
1739 * and for example NaN < IV_MIN. */
1740 # define NAN_COMPARE_BROKEN
1742 #if defined(__DECC) && defined(__osf__)
1743 /* Also Tru64 cc has broken NaN comparisons. */
1744 # define NAN_COMPARE_BROKEN
1747 # define NAN_COMPARE_BROKEN
1750 #ifdef USE_LONG_DOUBLE
1752 # include <sunmath.h>
1754 # if defined(LDBL_DIG)
1755 # define NV_DIG LDBL_DIG
1756 # ifdef LDBL_MANT_DIG
1757 # define NV_MANT_DIG LDBL_MANT_DIG
1760 # define NV_MIN LDBL_MIN
1763 # define NV_MAX LDBL_MAX
1765 # ifdef LDBL_MIN_EXP
1766 # define NV_MIN_EXP LDBL_MIN_EXP
1768 # ifdef LDBL_MAX_EXP
1769 # define NV_MAX_EXP LDBL_MAX_EXP
1771 # ifdef LDBL_MIN_10_EXP
1772 # define NV_MIN_10_EXP LDBL_MIN_10_EXP
1774 # ifdef LDBL_MAX_10_EXP
1775 # define NV_MAX_10_EXP LDBL_MAX_10_EXP
1777 # ifdef LDBL_EPSILON
1778 # define NV_EPSILON LDBL_EPSILON
1781 # define NV_MAX LDBL_MAX
1782 /* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
1783 # elif defined(HUGE_VALL)
1784 # define NV_MAX HUGE_VALL
1787 # if defined(HAS_SQRTL)
1788 # define Perl_acos acosl
1789 # define Perl_asin asinl
1790 # define Perl_atan atanl
1791 # define Perl_atan2 atan2l
1792 # define Perl_ceil ceill
1793 # define Perl_cos cosl
1794 # define Perl_cosh coshl
1795 # define Perl_exp expl
1796 /* no Perl_fabs, but there's PERL_ABS */
1797 # define Perl_floor floorl
1798 # define Perl_fmod fmodl
1799 # define Perl_log logl
1800 # define Perl_log10 log10l
1801 # define Perl_pow powl
1802 # define Perl_sin sinl
1803 # define Perl_sinh sinhl
1804 # define Perl_sqrt sqrtl
1805 # define Perl_tan tanl
1806 # define Perl_tanh tanhl
1808 /* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1811 # define Perl_modf(x,y) modfl(x,y)
1812 /* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1813 prototype in <math.h> */
1814 # ifndef HAS_MODFL_PROTO
1815 EXTERN_C long double modfl(long double, long double *);
1817 # elif (defined(HAS_TRUNCL) || defined(HAS_AINTL)) && defined(HAS_COPYSIGNL)
1818 extern long double Perl_my_modfl(long double x, long double *ip);
1819 # define Perl_modf(x,y) Perl_my_modfl(x,y)
1824 # define Perl_frexp(x,y) frexpl(x,y)
1825 # elif defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1826 extern long double Perl_my_frexpl(long double x, int *e);
1827 # define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1832 # define Perl_ldexp(x, y) ldexpl(x,y)
1833 # elif defined(HAS_SCALBNL) && FLT_RADIX == 2
1834 # define Perl_ldexp(x,y) scalbnl(x,y)
1838 # if defined(HAS_ISNANL) && !(defined(isnan) && defined(HAS_C99))
1839 # define Perl_isnan(x) isnanl(x)
1840 # elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */
1841 # define Perl_isnan(x) isnan(x)
1845 # if defined(HAS_ISINFL) && !(defined(isinf) && defined(HAS_C99))
1846 # define Perl_isinf(x) isinfl(x)
1847 # elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */
1848 # define Perl_isinf(x) isinf(x)
1849 # elif defined(LDBL_MAX) && !defined(NAN_COMPARE_BROKEN)
1850 # define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX)
1853 # ifndef Perl_isfinite
1854 # define Perl_isfinite(x) Perl_isfinitel(x)
1856 #elif defined(USE_QUADMATH) && defined(I_QUADMATH)
1857 # include <quadmath.h>
1858 # define NV_DIG FLT128_DIG
1859 # define NV_MANT_DIG FLT128_MANT_DIG
1860 # define NV_MIN FLT128_MIN
1861 # define NV_MAX FLT128_MAX
1862 # define NV_MIN_EXP FLT128_MIN_EXP
1863 # define NV_MAX_EXP FLT128_MAX_EXP
1864 # define NV_EPSILON FLT128_EPSILON
1865 # define NV_MIN_10_EXP FLT128_MIN_10_EXP
1866 # define NV_MAX_10_EXP FLT128_MAX_10_EXP
1867 # define Perl_acos acosq
1868 # define Perl_asin asinq
1869 # define Perl_atan atanq
1870 # define Perl_atan2 atan2q
1871 # define Perl_ceil ceilq
1872 # define Perl_cos cosq
1873 # define Perl_cosh coshq
1874 # define Perl_exp expq
1875 /* no Perl_fabs, but there's PERL_ABS */
1876 # define Perl_floor floorq
1877 # define Perl_fmod fmodq
1878 # define Perl_log logq
1879 # define Perl_log10 log10q
1880 # define Perl_pow powq
1881 # define Perl_sin sinq
1882 # define Perl_sinh sinhq
1883 # define Perl_sqrt sqrtq
1884 # define Perl_tan tanq
1885 # define Perl_tanh tanhq
1886 # define Perl_modf(x,y) modfq(x,y)
1887 # define Perl_frexp(x,y) frexpq(x,y)
1888 # define Perl_ldexp(x, y) ldexpq(x,y)
1889 # define Perl_isinf(x) isinfq(x)
1890 # define Perl_isnan(x) isnanq(x)
1891 # define Perl_isfinite(x) !(isnanq(x) || isinfq(x))
1892 # define Perl_fp_class(x) ((x) == 0.0Q ? 0 : isinfq(x) ? 3 : isnanq(x) ? 4 : PERL_ABS(x) < FLT128_MIN ? 2 : 1)
1893 # define Perl_fp_class_inf(x) (Perl_fp_class(x) == 3)
1894 # define Perl_fp_class_nan(x) (Perl_fp_class(x) == 4)
1895 # define Perl_fp_class_norm(x) (Perl_fp_class(x) == 1)
1896 # define Perl_fp_class_denorm(x) (Perl_fp_class(x) == 2)
1897 # define Perl_fp_class_zero(x) (Perl_fp_class(x) == 0)
1899 # define NV_DIG DBL_DIG
1900 # define NV_MANT_DIG DBL_MANT_DIG
1901 # define NV_MIN DBL_MIN
1902 # define NV_MAX DBL_MAX
1903 # define NV_MIN_EXP DBL_MIN_EXP
1904 # define NV_MAX_EXP DBL_MAX_EXP
1905 # define NV_MIN_10_EXP DBL_MIN_10_EXP
1906 # define NV_MAX_10_EXP DBL_MAX_10_EXP
1907 # define NV_EPSILON DBL_EPSILON
1908 # define NV_MAX DBL_MAX
1909 # define NV_MIN DBL_MIN
1911 /* These math interfaces are C89. */
1912 # define Perl_acos acos
1913 # define Perl_asin asin
1914 # define Perl_atan atan
1915 # define Perl_atan2 atan2
1916 # define Perl_ceil ceil
1917 # define Perl_cos cos
1918 # define Perl_cosh cosh
1919 # define Perl_exp exp
1920 /* no Perl_fabs, but there's PERL_ABS */
1921 # define Perl_floor floor
1922 # define Perl_fmod fmod
1923 # define Perl_log log
1924 # define Perl_log10 log10
1925 # define Perl_pow pow
1926 # define Perl_sin sin
1927 # define Perl_sinh sinh
1928 # define Perl_sqrt sqrt
1929 # define Perl_tan tan
1930 # define Perl_tanh tanh
1932 # define Perl_modf(x,y) modf(x,y)
1933 # define Perl_frexp(x,y) frexp(x,y)
1934 # define Perl_ldexp(x,y) ldexp(x,y)
1938 # define Perl_isnan(x) isnan(x)
1942 # if defined(HAS_ISINF)
1943 # define Perl_isinf(x) isinf(x)
1944 # elif defined(DBL_MAX) && !defined(NAN_COMPARE_BROKEN)
1945 # define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX)
1948 # ifndef Perl_isfinite
1949 # ifdef HAS_ISFINITE
1950 # define Perl_isfinite(x) isfinite(x)
1951 # elif defined(HAS_FINITE)
1952 # define Perl_isfinite(x) finite(x)
1957 /* fpclassify(): C99. It is supposed to be a macro that switches on
1958 * the sizeof() of its argument, so there's no need for e.g. fpclassifyl().*/
1959 #if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1961 # if defined(FP_INFINITE) && defined(FP_NAN)
1962 # define Perl_fp_class(x) fpclassify(x)
1963 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
1964 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
1965 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
1966 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
1967 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
1968 # elif defined(FP_PLUS_INF) && defined(FP_QNAN)
1969 /* Some versions of HP-UX (10.20) have (only) fpclassify() but which is
1970 * actually not the C99 fpclassify, with its own set of return defines. */
1971 # define Perl_fp_class(x) fpclassify(x)
1972 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1973 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1974 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
1975 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
1976 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1977 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1978 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1979 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1980 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1981 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1983 # undef Perl_fp_class /* Unknown set of defines */
1987 /* fp_classify(): Legacy: VMS, maybe Unicos? The values, however,
1988 * are identical to the C99 fpclassify(). */
1989 #if !defined(Perl_fp_class) && defined(HAS_FP_CLASSIFY)
1992 /* FP_INFINITE and others are here rather than in math.h as C99 stipulates */
1994 /* oh, and the isnormal macro has a typo in it! */
1996 # define isnormal(x) Perl_fp_class_norm(x)
1998 # if defined(FP_INFINITE) && defined(FP_NAN)
1999 # define Perl_fp_class(x) fp_classify(x)
2000 # define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2001 # define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2002 # define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2003 # define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2004 # define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2006 # undef Perl_fp_class /* Unknown set of defines */
2010 /* Feel free to check with me for the SGI manpages, SGI testing,
2011 * etcetera, if you want to try getting this to work with IRIX.
2013 * - Allen <allens@cpan.org> */
2015 /* fpclass(): SysV, at least Solaris and some versions of IRIX. */
2016 #if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2017 /* Solaris and IRIX have fpclass/fpclassl, but they are using
2018 * an enum typedef, not cpp symbols, and Configure doesn't detect that.
2019 * Define some symbols also as cpp symbols so we can detect them. */
2020 # if defined(__sun) || defined(__sgi) /* XXX Configure test instead */
2021 # define FP_PINF FP_PINF
2022 # define FP_QNAN FP_QNAN
2026 # include <ieeefp.h>
2031 # if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2032 # define Perl_fp_class(x) fpclassl(x)
2034 # define Perl_fp_class(x) fpclass(x)
2036 # if defined(FP_CLASS_PINF) && defined(FP_CLASS_SNAN)
2037 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2038 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2039 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2040 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2041 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2042 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2043 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2044 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2045 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2046 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2047 # elif defined(FP_PINF) && defined(FP_QNAN)
2048 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2049 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2050 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NINF)
2051 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PINF)
2052 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NNORM)
2053 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PNORM)
2054 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NDENORM)
2055 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PDENORM)
2056 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NZERO)
2057 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PZERO)
2059 # undef Perl_fp_class /* Unknown set of defines */
2063 /* fp_class(): Legacy: at least Tru64, some versions of IRIX. */
2064 #if !defined(Perl_fp_class) && (defined(HAS_FP_CLASS)||defined(HAS_FP_CLASSL))
2066 # if !defined(FP_SNAN) && defined(I_FP_CLASS)
2067 # include <fp_class.h>
2069 # if defined(FP_POS_INF) && defined(FP_QNAN)
2070 # ifdef __sgi /* XXX Configure test instead */
2071 # ifdef USE_LONG_DOUBLE
2072 # define Perl_fp_class(x) fp_class_l(x)
2074 # define Perl_fp_class(x) fp_class_d(x)
2077 # if defined(USE_LONG_DOUBLE) && defined(HAS_FP_CLASSL)
2078 # define Perl_fp_class(x) fp_classl(x)
2080 # define Perl_fp_class(x) fp_class(x)
2083 # if defined(FP_POS_INF) && defined(FP_QNAN)
2084 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2085 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2086 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NEG_INF)
2087 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_POS_INF)
2088 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NEG_NORM)
2089 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_POS_NORM)
2090 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NEG_DENORM)
2091 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_POS_DENORM)
2092 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NEG_ZERO)
2093 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_POS_ZERO)
2095 # undef Perl_fp_class /* Unknown set of defines */
2100 /* class(), _class(): Legacy: AIX. */
2101 #if !defined(Perl_fp_class) && defined(HAS_CLASS)
2103 # if defined(FP_PLUS_NORM) && defined(FP_PLUS_INF)
2105 # define Perl_fp_class(x) class(x)
2107 # define Perl_fp_class(x) _class(x)
2109 # if defined(FP_PLUS_INF) && defined(FP_NANQ)
2110 # define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2111 # define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2112 # define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2113 # define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2114 # define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2115 # define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2116 # define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2117 # define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2118 # define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2119 # define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2121 # undef Perl_fp_class /* Unknown set of defines */
2126 /* Win32: _fpclass(), _isnan(), _finite(). */
2129 # define Perl_isnan(x) _isnan(x)
2131 # ifndef Perl_isfinite
2132 # define Perl_isfinite(x) _finite(x)
2134 # ifndef Perl_fp_class_snan
2135 /* No simple way to #define Perl_fp_class because _fpclass()
2136 * returns a set of bits. */
2137 # define Perl_fp_class_snan(x) (_fpclass(x) & _FPCLASS_SNAN)
2138 # define Perl_fp_class_qnan(x) (_fpclass(x) & _FPCLASS_QNAN)
2139 # define Perl_fp_class_nan(x) (_fpclass(x) & (_FPCLASS_SNAN|_FPCLASS_QNAN))
2140 # define Perl_fp_class_ninf(x) (_fpclass(x) & _FPCLASS_NINF))
2141 # define Perl_fp_class_pinf(x) (_fpclass(x) & _FPCLASS_PINF))
2142 # define Perl_fp_class_inf(x) (_fpclass(x) & (_FPCLASS_NINF|_FPCLASS_PINF))
2143 # define Perl_fp_class_nnorm(x) (_fpclass(x) & _FPCLASS_NN)
2144 # define Perl_fp_class_pnorm(x) (_fpclass(x) & _FPCLASS_PN)
2145 # define Perl_fp_class_norm(x) (_fpclass(x) & (_FPCLASS_NN|_FPCLASS_PN))
2146 # define Perl_fp_class_ndenorm(x) (_fpclass(x) & _FPCLASS_ND)
2147 # define Perl_fp_class_pdenorm(x) (_fpclass(x) & _FPCLASS_PD)
2148 # define Perl_fp_class_denorm(x) (_fpclass(x) & (_FPCLASS_ND|_FPCLASS_PD))
2149 # define Perl_fp_class_nzero(x) (_fpclass(x) & _FPCLASS_NZ)
2150 # define Perl_fp_class_pzero(x) (_fpclass(x) & _FPCLASS_PZ)
2151 # define Perl_fp_class_zero(x) (_fpclass(x) & (_FPCLASS_NZ|_FPCLASS_PZ))
2155 #if !defined(Perl_fp_class_inf) && \
2156 defined(Perl_fp_class_pinf) && defined(Perl_fp_class_ninf)
2157 # define Perl_fp_class_inf(x) \
2158 (Perl_fp_class_pinf(x) || Perl_fp_class_ninf(x))
2161 #if !defined(Perl_fp_class_nan) && \
2162 defined(Perl_fp_class_snan) && defined(Perl_fp_class_qnan)
2163 # define Perl_fp_class_nan(x) \
2164 (Perl_fp_class_snan(x) || Perl_fp_class_qnan(x))
2167 #if !defined(Perl_fp_class_zero) && \
2168 defined(Perl_fp_class_pzero) && defined(Perl_fp_class_nzero)
2169 # define Perl_fp_class_zero(x) \
2170 (Perl_fp_class_pzero(x) || Perl_fp_class_nzero(x))
2173 #if !defined(Perl_fp_class_norm) && \
2174 defined(Perl_fp_class_pnorm) && defined(Perl_fp_class_nnorm)
2175 # define Perl_fp_class_norm(x) \
2176 (Perl_fp_class_pnorm(x) || Perl_fp_class_nnorm(x))
2179 #if !defined(Perl_fp_class_denorm) && \
2180 defined(Perl_fp_class_pdenorm) && defined(Perl_fp_class_ndenorm)
2181 # define Perl_fp_class_denorm(x) \
2182 (Perl_fp_class_pdenorm(x) || Perl_fp_class_ndenorm(x))
2186 int isnan(double d);
2190 # ifdef Perl_fp_class_nan
2191 # define Perl_isnan(x) Perl_fp_class_nan(x)
2192 # elif defined(HAS_UNORDERED)
2193 # define Perl_isnan(x) unordered((x), 0.0)
2195 # define Perl_isnan(x) ((x)!=(x))
2200 # ifdef Perl_fp_class_inf
2201 # define Perl_isinf(x) Perl_fp_class_inf(x)
2205 #ifndef Perl_isfinite
2206 # if defined(HAS_ISFINITE) && !defined(isfinite)
2207 # define Perl_isfinite(x) isfinite((double)(x))
2208 # elif defined(HAS_FINITE)
2209 # define Perl_isfinite(x) finite((double)(x))
2210 # elif defined(Perl_fp_class_finite)
2211 # define Perl_isfinite(x) Perl_fp_class_finite(x)
2213 /* For the infinities the multiplication returns nan,
2214 * for the nan the multiplication also returns nan,
2215 * for everything else (that is, finite) zero should be returned. */
2216 # define Perl_isfinite(x) (((x) * 0) == 0)
2221 # if defined(Perl_isfinite) && defined(Perl_isnan)
2222 # define Perl_isinf(x) !(Perl_isfinite(x)||Perl_isnan(x))
2226 /* We need Perl_isfinitel (ends with ell) (if available) even when
2227 * not USE_LONG_DOUBLE because the printf code (sv_catpvfn_flags)
2229 #if defined(HAS_LONG_DOUBLE) && !defined(Perl_isfinitel)
2230 /* If isfinite() is a macro and looks like we have C99,
2231 * we assume it's the type-aware C99 isfinite(). */
2232 # if defined(HAS_ISFINITE) && defined(isfinite) && defined(HAS_C99)
2233 # define Perl_isfinitel(x) isfinite(x)
2234 # elif defined(HAS_ISFINITEL)
2235 # define Perl_isfinitel(x) isfinitel(x)
2236 # elif defined(HAS_FINITEL)
2237 # define Perl_isfinitel(x) finitel(x)
2238 # elif defined(HAS_INFL) && defined(HAS_NANL)
2239 # define Perl_isfinitel(x) !(isinfl(x)||isnanl(x))
2241 # define Perl_isfinitel(x) ((x) * 0 == 0) /* See Perl_isfinite. */
2245 /* The default is to use Perl's own atof() implementation (in numeric.c).
2246 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2247 * it is however best to use the native implementation of atof.
2248 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2249 * Some good tests to try out with either setting are t/base/num.t,
2250 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2251 * you may need to be using a different function than atof! */
2253 #ifndef USE_PERL_ATOF
2255 # define USE_PERL_ATOF
2258 # if USE_PERL_ATOF == 0
2259 # undef USE_PERL_ATOF
2263 #ifdef USE_PERL_ATOF
2264 # define Perl_atof(s) Perl_my_atof(s)
2265 # define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2267 # define Perl_atof(s) (NV)atof(s)
2268 # define Perl_atof2(s, n) ((n) = atof(s))
2272 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2273 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2274 * depending on local options. Until Configure detects this (or at least
2275 * detects whether the "signed" keyword is available) the CHAR ranges
2276 * will not be included. UCHAR functions normally.
2280 #define PERL_UCHAR_MIN ((unsigned char)0)
2281 #define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
2283 #define PERL_USHORT_MIN ((unsigned short)0)
2284 #define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2286 #define PERL_SHORT_MAX ((short)SHRT_MAX)
2287 #define PERL_SHORT_MIN ((short)SHRT_MIN)
2289 #define PERL_UINT_MAX ((unsigned int)UINT_MAX)
2290 #define PERL_UINT_MIN ((unsigned int)0)
2292 #define PERL_INT_MAX ((int)INT_MAX)
2293 #define PERL_INT_MIN ((int)INT_MIN)
2295 #define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
2296 #define PERL_ULONG_MIN ((unsigned long)0L)
2298 #define PERL_LONG_MAX ((long)LONG_MAX)
2299 #define PERL_LONG_MIN ((long)LONG_MIN)
2302 # define PERL_UQUAD_MAX (~(UV)0)
2303 # define PERL_UQUAD_MIN ((UV)0)
2304 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
2305 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
2308 typedef MEM_SIZE STRLEN;
2310 typedef struct op OP;
2311 typedef struct cop COP;
2312 typedef struct unop UNOP;
2313 typedef struct unop_aux UNOP_AUX;
2314 typedef struct binop BINOP;
2315 typedef struct listop LISTOP;
2316 typedef struct logop LOGOP;
2317 typedef struct pmop PMOP;
2318 typedef struct svop SVOP;
2319 typedef struct padop PADOP;
2320 typedef struct pvop PVOP;
2321 typedef struct loop LOOP;
2322 typedef struct methop METHOP;
2325 typedef struct opslab OPSLAB;
2326 typedef struct opslot OPSLOT;
2329 typedef struct block_hooks BHK;
2330 typedef struct custom_op XOP;
2332 typedef struct interpreter PerlInterpreter;
2334 /* SGI's <sys/sema.h> has struct sv */
2336 # define STRUCT_SV perl_sv
2338 # define STRUCT_SV sv
2340 typedef struct STRUCT_SV SV;
2341 typedef struct av AV;
2342 typedef struct hv HV;
2343 typedef struct cv CV;
2344 typedef struct p5rx REGEXP;
2345 typedef struct gp GP;
2346 typedef struct gv GV;
2347 typedef struct io IO;
2348 typedef struct context PERL_CONTEXT;
2349 typedef struct block BLOCK;
2351 typedef struct magic MAGIC;
2352 typedef struct xpv XPV;
2353 typedef struct xpviv XPVIV;
2354 typedef struct xpvuv XPVUV;
2355 typedef struct xpvnv XPVNV;
2356 typedef struct xpvmg XPVMG;
2357 typedef struct xpvlv XPVLV;
2358 typedef struct xpvinvlist XINVLIST;
2359 typedef struct xpvav XPVAV;
2360 typedef struct xpvhv XPVHV;
2361 typedef struct xpvgv XPVGV;
2362 typedef struct xpvcv XPVCV;
2363 typedef struct xpvbm XPVBM;
2364 typedef struct xpvfm XPVFM;
2365 typedef struct xpvio XPVIO;
2366 typedef struct mgvtbl MGVTBL;
2367 typedef union any ANY;
2368 typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2369 typedef struct ptr_tbl PTR_TBL_t;
2370 typedef struct clone_params CLONE_PARAMS;
2372 /* a pad is currently just an AV; but that might change,
2373 * so hide the type. */
2374 typedef struct padlist PADLIST;
2376 typedef struct padnamelist PADNAMELIST;
2377 typedef struct padname PADNAME;
2379 /* always enable PERL_OP_PARENT */
2380 #if !defined(PERL_OP_PARENT)
2381 # define PERL_OP_PARENT
2384 /* enable PERL_COPY_ON_WRITE by default */
2385 #if !defined(PERL_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2386 # define PERL_COPY_ON_WRITE
2389 #ifdef PERL_COPY_ON_WRITE
2390 # define PERL_ANY_COW
2392 # define PERL_SAWAMPERSAND
2395 #if defined(PERL_DEBUG_READONLY_OPS) && !defined(USE_ITHREADS)
2396 # error PERL_DEBUG_READONLY_OPS only works with ithreads
2400 #include "charclass_invlists.h"
2402 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
2403 # if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2404 # define USE_64_BIT_RAWIO /* implicit */
2408 /* Notice the use of HAS_FSEEKO: now we are obligated to always use
2409 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2410 * however, because operating systems like to do that themself. */
2413 # define FSEEKSIZE LSEEKSIZE
2415 # define FSEEKSIZE LONGSIZE
2419 #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
2420 # if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2421 # define USE_64_BIT_STDIO /* implicit */
2425 #ifdef USE_64_BIT_RAWIO
2428 # define Off_t off64_t
2430 # define LSEEKSIZE 8
2432 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2433 * will trigger defines like the ones below. Some 64-bit environments,
2434 * however, do not. Therefore we have to explicitly mix and match. */
2435 # if defined(USE_OPEN64)
2436 # define open open64
2438 # if defined(USE_LSEEK64)
2439 # define lseek lseek64
2441 # if defined(USE_LLSEEK)
2442 # define lseek llseek
2445 # if defined(USE_STAT64)
2446 # define stat stat64
2448 # if defined(USE_FSTAT64)
2449 # define fstat fstat64
2451 # if defined(USE_LSTAT64)
2452 # define lstat lstat64
2454 # if defined(USE_FLOCK64)
2455 # define flock flock64
2457 # if defined(USE_LOCKF64)
2458 # define lockf lockf64
2460 # if defined(USE_FCNTL64)
2461 # define fcntl fcntl64
2463 # if defined(USE_TRUNCATE64)
2464 # define truncate truncate64
2466 # if defined(USE_FTRUNCATE64)
2467 # define ftruncate ftruncate64
2471 #ifdef USE_64_BIT_STDIO
2472 # ifdef HAS_FPOS64_T
2474 # define Fpos_t fpos64_t
2476 /* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2477 * will trigger defines like the ones below. Some 64-bit environments,
2478 * however, do not. */
2479 # if defined(USE_FOPEN64)
2480 # define fopen fopen64
2482 # if defined(USE_FSEEK64)
2483 # define fseek fseek64 /* don't do fseeko here, see perlio.c */
2485 # if defined(USE_FTELL64)
2486 # define ftell ftell64 /* don't do ftello here, see perlio.c */
2488 # if defined(USE_FSETPOS64)
2489 # define fsetpos fsetpos64
2491 # if defined(USE_FGETPOS64)
2492 # define fgetpos fgetpos64
2494 # if defined(USE_TMPFILE64)
2495 # define tmpfile tmpfile64
2497 # if defined(USE_FREOPEN64)
2498 # define freopen freopen64
2503 # include "iperlsys.h"
2508 # include "os2ish.h"
2510 # include "dosish.h"
2513 # include "vmsish.h"
2514 #elif defined(PLAN9)
2515 # include "./plan9/plan9ish.h"
2516 #elif defined(__VOS__)
2518 # include "./vos/vosish.h"
2520 # include "vos/vosish.h"
2522 #elif defined(__SYMBIAN32__)
2523 # include "symbian/symbianish.h"
2524 #elif defined(__HAIKU__)
2525 # include "haiku/haikuish.h"
2527 # include "unixish.h"
2531 # include "amigaos.h"
2532 # undef FD_CLOEXEC /* a lie in AmigaOS */
2535 /* NSIG logic from Configure --> */
2538 # define NSIG (_NSIG)
2539 # elif defined(SIGMAX)
2540 # define NSIG (SIGMAX+1)
2541 # elif defined(SIG_MAX)
2542 # define NSIG (SIG_MAX+1)
2543 # elif defined(_SIG_MAX)
2544 # define NSIG (_SIG_MAX+1)
2545 # elif defined(MAXSIG)
2546 # define NSIG (MAXSIG+1)
2547 # elif defined(MAX_SIG)
2548 # define NSIG (MAX_SIG+1)
2549 # elif defined(SIGARRAYSIZE)
2550 # define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2551 # elif defined(_sys_nsig)
2552 # define NSIG (_sys_nsig) /* Solaris 2.5 */
2554 /* Default to some arbitrary number that's big enough to get most
2555 * of the common signals. */
2559 /* <-- NSIG logic from Configure */
2561 #ifndef NO_ENVIRON_ARRAY
2562 # define USE_ENVIRON_ARRAY
2566 * initialise to avoid floating-point exceptions from overflow, etc
2568 #ifndef PERL_FPU_INIT
2569 # ifdef HAS_FPSETMASK
2570 # if HAS_FLOATINGPOINT_H
2571 # include <floatingpoint.h>
2573 /* Some operating systems have this as a macro, which in turn expands to a comma
2574 expression, and the last sub-expression is something that gets calculated,
2575 and then they have the gall to warn that a value computed is not used. Hence
2577 # define PERL_FPU_INIT (void)fpsetmask(0)
2578 # elif defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
2579 # define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
2580 # define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2581 # define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
2583 # define PERL_FPU_INIT
2586 #ifndef PERL_FPU_PRE_EXEC
2587 # define PERL_FPU_PRE_EXEC {
2588 # define PERL_FPU_POST_EXEC }
2591 /* In Tru64 the cc -ieee enables the IEEE math but disables traps.
2592 * We need to reenable the "invalid" trap because otherwise generation
2593 * of NaN values leaves the IEEE fp flags in bad state, leaving any further
2594 * fp ops behaving strangely (Inf + 1 resulting in zero, for example). */
2596 # include <machine/fpu.h>
2597 # define PERL_SYS_FPU_INIT \
2599 ieee_set_fp_control(IEEE_TRAP_ENABLE_INV); \
2600 signal(SIGFPE, SIG_IGN); \
2603 /* In IRIX the default for Flush to Zero bit is true,
2604 * which means that results going below the minimum of normal
2605 * floating points go to zero, instead of going denormal/subnormal.
2606 * This is unlike almost any other system running Perl, so let's clear it.
2607 * [perl #123767] IRIX64 blead (ddce084a) opbasic/arith.t failure, originally
2608 * [perl #120426] small numbers shouldn't round to zero if they have extra floating digits
2610 * XXX The flush-to-zero behaviour should be a Configure scan.
2611 * To change the behaviour usually requires some system-specific
2612 * incantation, though, like the below. */
2614 # include <sys/fpu.h>
2615 # define PERL_SYS_FPU_INIT \
2617 union fpc_csr csr; \
2618 csr.fc_word = get_fpc_csr(); \
2619 csr.fc_struct.flush = 0; \
2620 set_fpc_csr(csr.fc_word); \
2624 #ifndef PERL_SYS_FPU_INIT
2625 # define PERL_SYS_FPU_INIT NOOP
2628 #ifndef PERL_SYS_INIT3_BODY
2629 # define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
2633 =head1 Miscellaneous Functions
2635 =for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
2636 Provides system-specific tune up of the C runtime environment necessary to
2637 run Perl interpreters. This should be called only once, before creating
2638 any Perl interpreters.
2640 =for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
2641 Provides system-specific tune up of the C runtime environment necessary to
2642 run Perl interpreters. This should be called only once, before creating
2643 any Perl interpreters.
2645 =for apidoc Am|void|PERL_SYS_TERM|
2646 Provides system-specific clean up of the C runtime environment after
2647 running Perl interpreters. This should be called only once, after
2648 freeing any remaining Perl interpreters.
2653 #define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2654 #define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
2655 #define PERL_SYS_TERM() Perl_sys_term()
2657 #ifndef PERL_WRITE_MSG_TO_CONSOLE
2658 # define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2663 # ifdef _POSIX_PATH_MAX
2664 # if PATH_MAX > _POSIX_PATH_MAX
2665 /* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2666 * included the null byte or not. Later amendments of POSIX,
2667 * XPG4, the Austin Group, and the Single UNIX Specification
2668 * all explicitly include the null byte in the PATH_MAX.
2669 * Ditto for _POSIX_PATH_MAX. */
2670 # define MAXPATHLEN PATH_MAX
2672 # define MAXPATHLEN _POSIX_PATH_MAX
2675 # define MAXPATHLEN (PATH_MAX+1)
2678 # define MAXPATHLEN 1024 /* Err on the large side. */
2682 /* In case Configure was not used (we are using a "canned config"
2683 * such as Win32, or a cross-compilation setup, for example) try going
2684 * by the gcc major and minor versions. One useful URL is
2685 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2686 * but contrary to this information warn_unused_result seems
2687 * not to be in gcc 3.3.5, at least. --jhi
2688 * Also, when building extensions with an installed perl, this allows
2689 * the user to upgrade gcc and get the right attributes, rather than
2690 * relying on the list generated at Configure time. --AD
2691 * Set these up now otherwise we get confused when some of the <*thread.h>
2692 * includes below indirectly pull in <perlio.h> (which needs to know if we
2693 * have HASATTRIBUTE_FORMAT).
2697 #if defined __GNUC__ && !defined(__INTEL_COMPILER)
2698 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2699 # define HASATTRIBUTE_DEPRECATED
2701 # if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2702 # define HASATTRIBUTE_FORMAT
2703 # if defined __MINGW32__
2704 # define PRINTF_FORMAT_NULL_OK
2707 # if __GNUC__ >= 3 /* 3.0 -> */
2708 # define HASATTRIBUTE_MALLOC
2710 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2711 # define HASATTRIBUTE_NONNULL
2713 # if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2714 # define HASATTRIBUTE_NORETURN
2716 # if __GNUC__ >= 3 /* gcc 3.0 -> */
2717 # define HASATTRIBUTE_PURE
2719 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2720 # define HASATTRIBUTE_UNUSED
2722 # if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2723 # define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2725 # if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2726 # define HASATTRIBUTE_WARN_UNUSED_RESULT
2729 #endif /* #ifndef PERL_MICRO */
2731 /* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
2732 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
2733 * this results in many functions being undeclared which bothers C++
2734 * May make sense to have threads after "*ish.h" anyway
2737 /* clang Thread Safety Analysis/Annotations/Attributes
2738 * http://clang.llvm.org/docs/ThreadSafetyAnalysis.html
2740 * Available since clang 3.6-ish (appeared in 3.4, but shaky still in 3.5).
2741 * Apple XCode hijacks __clang_major__ and __clang_minor__
2742 * (6.1 means really clang 3.6), so needs extra hijinks
2743 * (could probably also test the contents of __apple_build_version__).
2745 #if defined(USE_ITHREADS) && defined(I_PTHREAD) && \
2746 defined(__clang__) && \
2747 !defined(PERL_GLOBAL_STRUCT) && \
2748 !defined(PERL_GLOBAL_STRUCT_PRIVATE) && \
2750 ((!defined(__apple_build_version__) && \
2751 ((__clang_major__ == 3 && __clang_minor__ >= 6) || \
2752 (__clang_major__ >= 4))) || \
2753 (defined(__apple_build_version__) && \
2754 ((__clang_major__ == 6 && __clang_minor__ >= 1) || \
2755 (__clang_major__ >= 7))))
2756 # define PERL_TSA__(x) __attribute__((x))
2757 # define PERL_TSA_ACTIVE
2759 # define PERL_TSA__(x) /* No TSA, make TSA attributes no-ops. */
2760 # undef PERL_TSA_ACTIVE
2763 /* PERL_TSA_CAPABILITY() is used to annotate typedefs.
2764 * typedef old_type PERL_TSA_CAPABILITY("mutex") new_type;
2766 #define PERL_TSA_CAPABILITY(x) \
2767 PERL_TSA__(capability(x))
2769 /* In the below examples the mutex must be lexically visible, usually
2770 * either as global variables, or as function arguments. */
2772 /* PERL_TSA_GUARDED_BY() is used to annotate global variables.
2774 * Foo foo PERL_TSA_GUARDED_BY(mutex);
2776 #define PERL_TSA_GUARDED_BY(x) \
2777 PERL_TSA__(guarded_by(x))
2779 /* PERL_TSA_PT_GUARDED_BY() is used to annotate global pointers.
2780 * The data _behind_ the pointer is guarded.
2782 * Foo* ptr PERL_TSA_PT_GUARDED_BY(mutex);
2784 #define PERL_TSA_PT_GUARDED_BY(x) \
2785 PERL_TSA__(pt_guarded_by(x))
2787 /* PERL_TSA_REQUIRES() is used to annotate functions.
2788 * The caller MUST hold the resource when calling the function.
2790 * void Foo() PERL_TSA_REQUIRES(mutex);
2792 #define PERL_TSA_REQUIRES(x) \
2793 PERL_TSA__(requires_capability(x))
2795 /* PERL_TSA_EXCLUDES() is used to annotate functions.
2796 * The caller MUST NOT hold resource when calling the function.
2798 * EXCLUDES should be used when the function first acquires
2799 * the resource and then releases it. Use to avoid deadlock.
2801 * void Foo() PERL_TSA_EXCLUDES(mutex);
2803 #define PERL_TSA_EXCLUDES(x) \
2804 PERL_TSA__(locks_excluded(x))
2806 /* PERL_TSA_ACQUIRE() is used to annotate functions.
2807 * The caller MUST NOT hold the resource when calling the function,
2808 * and the function will acquire the resource.
2810 * void Foo() PERL_TSA_ACQUIRE(mutex);
2812 #define PERL_TSA_ACQUIRE(x) \
2813 PERL_TSA__(acquire_capability(x))
2815 /* PERL_TSA_RELEASE() is used to annotate functions.
2816 * The caller MUST hold the resource when calling the function,
2817 * and the function will release the resource.
2819 * void Foo() PERL_TSA_RELEASE(mutex);
2821 #define PERL_TSA_RELEASE(x) \
2822 PERL_TSA__(release_capability(x))
2824 /* PERL_TSA_NO_TSA is used to annotate functions.
2825 * Used when being intentionally unsafe, or when the code is too
2826 * complicated for the analysis. Use sparingly.
2828 * void Foo() PERL_TSA_NO_TSA;
2830 #define PERL_TSA_NO_TSA \
2831 PERL_TSA__(no_thread_safety_analysis)
2833 /* There are more annotations/attributes available, see the clang
2834 * documentation for details. */
2836 #if defined(USE_ITHREADS)
2838 # include <nw5thread.h>
2839 # elif defined(WIN32)
2840 # include <win32thread.h>
2842 # include "os2thread.h"
2843 # elif defined(I_MACH_CTHREADS)
2844 # include <mach/cthreads.h>
2845 typedef cthread_t perl_os_thread;
2846 typedef mutex_t perl_mutex;
2847 typedef condition_t perl_cond;
2848 typedef void * perl_key;
2849 # elif defined(I_PTHREAD) /* Posix threads */
2850 # include <pthread.h>
2851 typedef pthread_t perl_os_thread;
2852 typedef pthread_mutex_t PERL_TSA_CAPABILITY("mutex") perl_mutex;
2853 typedef pthread_cond_t perl_cond;
2854 typedef pthread_key_t perl_key;
2856 #endif /* USE_ITHREADS */
2858 #ifdef PERL_TSA_ACTIVE
2859 /* Since most pthread mutex interfaces have not been annotated, we
2860 * need to have these wrappers. The NO_TSA annotation is quite ugly
2861 * but it cannot be avoided in plain C, unlike in C++, where one could
2862 * e.g. use ACQUIRE() with no arg on a mutex lock method.
2864 * The bodies of these wrappers are in util.c
2866 * TODO: however, some platforms are starting to get these clang
2867 * thread safety annotations for pthreads, for example FreeBSD.
2868 * Do we need a way to a bypass these wrappers? */
2869 EXTERN_C int perl_tsa_mutex_lock(perl_mutex* mutex)
2870 PERL_TSA_ACQUIRE(*mutex)
2872 EXTERN_C int perl_tsa_mutex_unlock(perl_mutex* mutex)
2873 PERL_TSA_RELEASE(*mutex)
2882 # include "netware.h"
2885 #define STATUS_UNIX PL_statusvalue
2887 # define STATUS_NATIVE PL_statusvalue_vms
2889 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
2890 * its contents can not be trusted. Unfortunately, Perl seems to check
2891 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2894 # include <stsdef.h>
2896 /* Presume this because if VMS changes it, it will require a new
2897 * set of APIs for waiting on children for binary compatibility.
2899 # define child_offset_bits (8)
2900 # ifndef C_FAC_POSIX
2901 # define C_FAC_POSIX 0x35A000
2904 /* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2905 * platform from the existing UNIX or Native status values.
2908 # define STATUS_EXIT \
2909 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2910 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2913 /* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2914 * exit code and shifts the UNIX value over the correct number of bits to
2915 * be a child status. Usually the number of bits is 8, but that could be
2916 * platform dependent. The NATIVE status code is presumed to have either
2917 * from a child process.
2920 /* This is complicated. The child processes return a true native VMS
2921 status which must be saved. But there is an assumption in Perl that
2922 the UNIX child status has some relationship to errno values, so
2923 Perl tries to translate it to text in some of the tests.
2924 In order to get the string translation correct, for the error, errno
2925 must be EVMSERR, but that generates a different text message
2926 than what the test programs are expecting. So an errno value must
2927 be derived from the native status value when an error occurs.
2928 That will hide the true native status message. With this version of
2929 perl, the true native child status can always be retrieved so that
2930 is not a problem. But in this case, Pl_statusvalue and errno may
2931 have different values in them.
2934 # define STATUS_NATIVE_CHILD_SET(n) \
2936 I32 evalue = (I32)n; \
2937 if (evalue == EVMSERR) { \
2938 PL_statusvalue_vms = vaxc$errno; \
2939 PL_statusvalue = evalue; \
2941 PL_statusvalue_vms = evalue; \
2942 if (evalue == -1) { \
2943 PL_statusvalue = -1; \
2944 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2946 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2947 set_vaxc_errno(evalue); \
2948 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2949 set_errno(EVMSERR); \
2950 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2951 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2955 # ifdef VMSISH_STATUS
2956 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
2958 # define STATUS_CURRENT STATUS_UNIX
2961 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2962 * the NATIVE status to an equivalent value. Can not be used to translate
2963 * exit code values as exit code values are not guaranteed to have any
2964 * relationship at all to errno values.
2965 * This is used when Perl is forcing errno to have a specific value.
2967 # define STATUS_UNIX_SET(n) \
2969 I32 evalue = (I32)n; \
2970 PL_statusvalue = evalue; \
2971 if (PL_statusvalue != -1) { \
2972 if (PL_statusvalue != EVMSERR) { \
2973 PL_statusvalue &= 0xFFFF; \
2974 if (MY_POSIX_EXIT) \
2975 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2976 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2979 PL_statusvalue_vms = vaxc$errno; \
2982 else PL_statusvalue_vms = SS$_ABORT; \
2983 set_vaxc_errno(PL_statusvalue_vms); \
2986 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2987 * the NATIVE error status based on it.
2989 * When in the default mode to comply with the Perl VMS documentation,
2990 * 0 is a success and any other code sets the NATIVE status to a failure
2991 * code of SS$_ABORT.
2993 * In the new POSIX EXIT mode, native status will be set so that the
2994 * actual exit code will can be retrieved by the calling program or
2997 * If the exit code is not clearly a UNIX parent or child exit status,
2998 * it will be passed through as a VMS status.
3001 # define STATUS_UNIX_EXIT_SET(n) \
3003 I32 evalue = (I32)n; \
3004 PL_statusvalue = evalue; \
3005 if (MY_POSIX_EXIT) { \
3006 if (evalue <= 0xFF00) { \
3007 if (evalue > 0xFF) \
3008 evalue = (evalue >> child_offset_bits) & 0xFF; \
3009 PL_statusvalue_vms = \
3010 (C_FAC_POSIX | (evalue << 3 ) | \
3011 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3012 } else /* forgive them Perl, for they have sinned */ \
3013 PL_statusvalue_vms = evalue; \
3016 PL_statusvalue_vms = SS$_NORMAL; \
3017 else if (evalue <= 0xFF00) \
3018 PL_statusvalue_vms = SS$_ABORT; \
3019 else { /* forgive them Perl, for they have sinned */ \
3020 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3021 else PL_statusvalue_vms = vaxc$errno; \
3022 /* And obviously used a VMS status value instead of UNIX */ \
3023 PL_statusvalue = EVMSERR; \
3025 set_vaxc_errno(PL_statusvalue_vms); \
3030 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3031 * and sets the NATIVE error status based on it. This special case
3032 * is needed to maintain compatibility with past VMS behavior.
3034 * In the default mode on VMS, this number is passed through as
3035 * both the NATIVE and UNIX status. Which makes it different
3036 * that the STATUS_UNIX_EXIT_SET.
3038 * In the new POSIX EXIT mode, native status will be set so that the
3039 * actual exit code will can be retrieved by the calling program or
3042 * A POSIX exit code is from 0 to 255. If the exit code is higher
3043 * than this, it needs to be assumed that it is a VMS exit code and
3047 # define STATUS_EXIT_SET(n) \
3049 I32 evalue = (I32)n; \
3050 PL_statusvalue = evalue; \
3051 if (MY_POSIX_EXIT) \
3052 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3053 PL_statusvalue_vms = \
3054 (C_FAC_POSIX | (evalue << 3 ) | \
3055 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
3057 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3058 set_vaxc_errno(PL_statusvalue_vms); \
3062 /* This macro forces a success status */
3063 # define STATUS_ALL_SUCCESS \
3064 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
3066 /* This macro forces a failure status */
3067 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3068 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3069 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
3071 #elif defined(__amigaos4__)
3072 /* A somewhat experimental attempt to simulate posix return code values */
3073 # define STATUS_NATIVE PL_statusvalue_posix
3074 # define STATUS_NATIVE_CHILD_SET(n) \
3076 PL_statusvalue_posix = (n); \
3077 if (PL_statusvalue_posix < 0) { \
3078 PL_statusvalue = -1; \
3081 PL_statusvalue = n << 8; \
3084 # define STATUS_UNIX_SET(n) \
3086 PL_statusvalue = (n); \
3087 if (PL_statusvalue != -1) \
3088 PL_statusvalue &= 0xFFFF; \
3090 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3091 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3092 # define STATUS_CURRENT STATUS_UNIX
3093 # define STATUS_EXIT STATUS_UNIX
3094 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3095 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3098 # define STATUS_NATIVE PL_statusvalue_posix
3099 # if defined(WCOREDUMP)
3100 # define STATUS_NATIVE_CHILD_SET(n) \
3102 PL_statusvalue_posix = (n); \
3103 if (PL_statusvalue_posix == -1) \
3104 PL_statusvalue = -1; \
3107 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3108 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3109 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3112 # elif defined(WIFEXITED)
3113 # define STATUS_NATIVE_CHILD_SET(n) \
3115 PL_statusvalue_posix = (n); \
3116 if (PL_statusvalue_posix == -1) \
3117 PL_statusvalue = -1; \
3120 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3121 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3125 # define STATUS_NATIVE_CHILD_SET(n) \
3127 PL_statusvalue_posix = (n); \
3128 if (PL_statusvalue_posix == -1) \
3129 PL_statusvalue = -1; \
3132 PL_statusvalue_posix & 0xFFFF; \
3136 # define STATUS_UNIX_SET(n) \
3138 PL_statusvalue = (n); \
3139 if (PL_statusvalue != -1) \
3140 PL_statusvalue &= 0xFFFF; \
3142 # define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3143 # define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3144 # define STATUS_CURRENT STATUS_UNIX
3145 # define STATUS_EXIT STATUS_UNIX
3146 # define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3147 # define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3150 /* flags in PL_exit_flags for nature of exit() */
3151 #define PERL_EXIT_EXPECTED 0x01
3152 #define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
3153 #define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3154 #define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
3157 /* format to use for version numbers in file/directory names */
3158 /* XXX move to Configure? */
3159 /* This was only ever used for the current version, and that can be done at
3160 compile time, as PERL_FS_VERSION, so should we just delete it? */
3161 # ifndef PERL_FS_VER_FMT
3162 # define PERL_FS_VER_FMT "%d.%d.%d"
3166 #ifndef PERL_FS_VERSION
3167 # define PERL_FS_VERSION PERL_VERSION_STRING
3170 /* This defines a way to flush all output buffers. This may be a
3171 * performance issue, so we allow people to disable it. Also, if
3172 * we are using stdio, there are broken implementations of fflush(NULL)
3173 * out there, Solaris being the most prominent.
3175 #ifndef PERL_FLUSHALL_FOR_CHILD
3176 # if defined(USE_PERLIO) || defined(FFLUSH_NULL)
3177 # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
3178 # elif defined(FFLUSH_ALL)
3179 # define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
3181 # define PERL_FLUSHALL_FOR_CHILD NOOP
3185 #ifndef PERL_WAIT_FOR_CHILDREN
3186 # define PERL_WAIT_FOR_CHILDREN NOOP
3189 /* the traditional thread-unsafe notion of "current interpreter". */
3190 #ifndef PERL_SET_INTERP
3191 # define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3194 #ifndef PERL_GET_INTERP
3195 # define PERL_GET_INTERP (PL_curinterp)
3198 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
3199 # ifdef MULTIPLICITY
3200 # define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
3202 # define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3206 This replaces the previous %_ "hack" by the "%p" hacks.
3207 All that is required is that the perl source does not
3208 use "%-p" or "%-<number>p" or "%<number>p" formats.
3209 These formats will still work in perl code.
3210 See comments in sv.c for further details.
3212 Robin Barker 2005-07-14
3214 No longer use %1p for VDf = %vd. RMB 2007-10-19
3218 # define SVf_(n) "-" STRINGIFY(n) "p"
3226 # define SVf32 SVf_(32)
3230 # define SVf256 SVf_(256)
3233 #define SVfARG(p) ((void*)(p))
3239 /* Not ideal, but we cannot easily include a number in an already-numeric
3240 * format sequence. */
3242 # define HEKf256 "3p"
3245 #define HEKfARG(p) ((void*)(p))
3247 /* Takes three arguments: is_utf8, length, str */
3249 # define UTF8f "d%" UVuf "%4p"
3251 #define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3254 #define PNfARG(pn) (int)1, (UV)PadnameLEN(pn), (void *)PadnamePV(pn)
3257 /* not used; but needed for backward compatibility with XS code? - RMB */
3263 #ifdef HASATTRIBUTE_DEPRECATED
3264 # define __attribute__deprecated__ __attribute__((deprecated))
3266 #ifdef HASATTRIBUTE_FORMAT
3267 # define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3269 #ifdef HASATTRIBUTE_MALLOC
3270 # define __attribute__malloc__ __attribute__((__malloc__))
3272 #ifdef HASATTRIBUTE_NONNULL
3273 # define __attribute__nonnull__(a) __attribute__((nonnull(a)))
3275 #ifdef HASATTRIBUTE_NORETURN
3276 # define __attribute__noreturn__ __attribute__((noreturn))
3278 #ifdef HASATTRIBUTE_PURE
3279 # define __attribute__pure__ __attribute__((pure))
3281 #ifdef HASATTRIBUTE_UNUSED
3282 # define __attribute__unused__ __attribute__((unused))
3284 #ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
3285 # define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
3288 /* If we haven't defined the attributes yet, define them to blank. */
3289 #ifndef __attribute__deprecated__
3290 # define __attribute__deprecated__
3292 #ifndef __attribute__format__
3293 # define __attribute__format__(x,y,z)
3295 #ifndef __attribute__malloc__
3296 # define __attribute__malloc__
3298 #ifndef __attribute__nonnull__
3299 # define __attribute__nonnull__(a)
3301 #ifndef __attribute__noreturn__
3302 # define __attribute__noreturn__
3304 #ifndef __attribute__pure__
3305 # define __attribute__pure__
3307 #ifndef __attribute__unused__
3308 # define __attribute__unused__
3310 #ifndef __attribute__warn_unused_result__
3311 # define __attribute__warn_unused_result__
3314 #if !defined(DEBUGGING) && !defined(NDEBUG)
3319 /* For functions that are marked as __attribute__noreturn__, it's not
3320 appropriate to call return. In either case, include the lint directive.
3322 #ifdef HASATTRIBUTE_NORETURN
3323 # define NORETURN_FUNCTION_END NOT_REACHED;
3325 # define NORETURN_FUNCTION_END NOT_REACHED; return 0
3328 /* Some OS warn on NULL format to printf */
3329 #ifdef PRINTF_FORMAT_NULL_OK
3330 # define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3332 # define __attribute__format__null_ok__(x,y,z)
3335 #ifdef HAS_BUILTIN_EXPECT
3336 # define EXPECT(expr,val) __builtin_expect(expr,val)
3338 # define EXPECT(expr,val) (expr)
3340 #define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3341 #define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
3342 #ifdef HAS_BUILTIN_CHOOSE_EXPR
3346 /* STATIC_ASSERT_DECL/STATIC_ASSERT_STMT are like assert(), but for compile
3347 time invariants. That is, their argument must be a constant expression that
3348 can be verified by the compiler. This expression can contain anything that's
3349 known to the compiler, e.g. #define constants, enums, or sizeof (...). If
3350 the expression evaluates to 0, compilation fails.
3351 Because they generate no runtime code (i.e. their use is "free"), they're
3352 always active, even under non-DEBUGGING builds.
3353 STATIC_ASSERT_DECL expands to a declaration and is suitable for use at
3354 file scope (outside of any function).
3355 STATIC_ASSERT_STMT expands to a statement and is suitable for use inside a
3358 #if (defined(static_assert) || (defined(__cplusplus) && __cplusplus >= 201103L)) && (!defined(__IBMC__) || __IBMC__ >= 1210)
3359 /* static_assert is a macro defined in <assert.h> in C11 or a compiler
3360 builtin in C++11. But IBM XL C V11 does not support _Static_assert, no
3361 matter what <assert.h> says.
3363 # define STATIC_ASSERT_DECL(COND) static_assert(COND, #COND)
3365 /* We use a bit-field instead of an array because gcc accepts
3366 'typedef char x[n]' where n is not a compile-time constant.
3367 We want to enforce constantness.
3369 # define STATIC_ASSERT_2(COND, SUFFIX) \
3371 unsigned int _static_assertion_failed_##SUFFIX : (COND) ? 1 : -1; \
3372 } _static_assertion_failed_##SUFFIX PERL_UNUSED_DECL
3373 # define STATIC_ASSERT_1(COND, SUFFIX) STATIC_ASSERT_2(COND, SUFFIX)
3374 # define STATIC_ASSERT_DECL(COND) STATIC_ASSERT_1(COND, __LINE__)
3376 /* We need this wrapper even in C11 because 'case X: static_assert(...);' is an
3377 error (static_assert is a declaration, and only statements can have labels).
3379 #define STATIC_ASSERT_STMT(COND) STMT_START { STATIC_ASSERT_DECL(COND); } STMT_END
3381 #ifndef __has_builtin
3382 # define __has_builtin(x) 0 /* not a clang style compiler */
3385 /* ASSUME is like assert(), but it has a benefit in a release build. It is a
3386 hint to a compiler about a statement of fact in a function call free
3387 expression, which allows the compiler to generate better machine code.
3388 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3389 the control path is unreachable. In a for loop, ASSUME can be used to hint
3390 that a loop will run at least X times. ASSUME is based off MSVC's __assume
3391 intrinsic function, see its documents for more details.
3395 # if __has_builtin(__builtin_unreachable) \
3396 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4) /* 4.5 -> */
3397 # define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3398 # elif defined(_MSC_VER)
3399 # define ASSUME(x) __assume(x)
3400 # elif defined(__ARMCC_VERSION) /* untested */
3401 # define ASSUME(x) __promise(x)
3403 /* a random compiler might define assert to its own special optimization token
3404 so pass it through to C lib as a last resort */
3405 # define ASSUME(x) assert(x)
3408 # define ASSUME(x) assert(x)
3411 #if defined(__sun) /* ASSUME() generates warnings on Solaris */
3412 # define NOT_REACHED
3413 #elif defined(DEBUGGING) && (__has_builtin(__builtin_unreachable) \
3414 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4)) /* 4.5 -> */
3415 # define NOT_REACHED STMT_START { ASSUME(0); __builtin_unreachable(); } STMT_END
3417 # define NOT_REACHED ASSUME(0)
3420 /* Some unistd.h's give a prototype for pause() even though
3421 HAS_PAUSE ends up undefined. This causes the #define
3422 below to be rejected by the compiler. Sigh.
3427 #define Pause() sleep((32767<<16)+32767)
3431 # ifdef IOCPARM_MASK
3432 /* on BSDish systems we're safe */
3433 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3434 # elif defined(_IOC_SIZE) && defined(__GLIBC__)
3435 /* on Linux systems we're safe; except when we're not [perl #38223] */
3436 # define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
3438 /* otherwise guess at what's safe */
3439 # define IOCPARM_LEN(x) 256
3443 #if defined(__CYGWIN__)
3445 * This symbol, if defined, indicates that the program should
3446 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
3447 * that a file is in "binary" mode -- that is, that no translation
3448 * of bytes occurs on read or write operations.
3450 # define USEMYBINMODE /**/
3451 # include <io.h> /* for setmode() prototype */
3452 # define my_binmode(fp, iotype, mode) \
3453 cBOOL(PerlLIO_setmode(fileno(fp), mode) != -1)
3457 void init_os_extras(void);
3460 #ifdef UNION_ANY_DEFINITION
3461 UNION_ANY_DEFINITION;
3479 void (*any_dptr) (void*);
3480 void (*any_dxptr) (pTHX_ void*);
3484 typedef I32 (*filter_t) (pTHX_ int, SV *, int);
3486 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3487 #define FILTER_DATA(idx) \
3488 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3489 #define FILTER_ISREADER(idx) \
3490 (PL_parser && PL_parser->rsfp_filters \
3491 && idx >= AvFILLp(PL_parser->rsfp_filters))
3492 #define PERL_FILTER_EXISTS(i) \
3493 (PL_parser && PL_parser->rsfp_filters \
3494 && (i) <= av_tindex(PL_parser->rsfp_filters))
3496 #if defined(_AIX) && !defined(_AIX43)
3497 #if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3498 /* We cannot include <crypt.h> to get the struct crypt_data
3499 * because of setkey prototype problems when threading */
3500 typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3501 /* From OSF, Not needed in AIX
3509 #endif /* threading */
3512 #ifndef PERL_CALLCONV
3514 # define PERL_CALLCONV extern "C"
3516 # define PERL_CALLCONV
3519 #ifndef PERL_CALLCONV_NO_RET
3520 # define PERL_CALLCONV_NO_RET PERL_CALLCONV
3523 /* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
3524 dont have a noreturn as a declaration specifier
3526 #ifndef PERL_STATIC_NO_RET
3527 # define PERL_STATIC_NO_RET STATIC
3529 /* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
3530 builds that dont have a noreturn as a declaration specifier
3532 #ifndef PERL_STATIC_INLINE_NO_RET
3533 # define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
3537 # include "iperlsys.h"
3540 #ifdef __LIBCATAMOUNT__
3541 #undef HAS_PASSWD /* unixish.h but not unixish enough. */
3543 #define FAKE_BIT_BUCKET
3546 /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3547 * Note that the USE_HASH_SEED and similar defines are *NOT* defined by
3548 * Configure, despite their names being similar to other defines like
3549 * USE_ITHREADS. Configure in fact knows nothing about the randomised
3550 * hashes. Therefore to enable/disable the hash randomisation defines
3551 * use the Configure -Accflags=... instead. */
3552 #if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED)
3553 # define USE_HASH_SEED
3559 /* macros to define bit-fields in structs. */
3560 #ifndef PERL_BITFIELD8
3561 # define PERL_BITFIELD8 unsigned
3563 #ifndef PERL_BITFIELD16
3564 # define PERL_BITFIELD16 unsigned
3566 #ifndef PERL_BITFIELD32
3567 # define PERL_BITFIELD32 unsigned
3577 #include "opnames.h"
3584 #include "warnings.h"
3587 /* these would be in doio.h if there was such a file */
3588 #define my_stat() my_stat_flags(SV_GMAGIC)
3589 #define my_lstat() my_lstat_flags(SV_GMAGIC)
3591 /* defined in sv.c, but also used in [ach]v.c */
3594 #undef _XPVCV_COMMON
3598 typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
3600 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3602 /* These have to be predeclared, as they are used in proto.h which is #included
3603 * before their definitions in regcomp.h. */
3606 typedef struct regnode_charclass regnode_charclass;
3608 struct regnode_charclass_class;
3610 /* A hopefully less confusing name. The sub-classes are all Posix classes only
3611 * used under /l matching */
3612 typedef struct regnode_charclass_class regnode_charclass_posixl;
3614 typedef struct regnode_ssc regnode_ssc;
3615 typedef struct RExC_state_t RExC_state_t;
3616 struct _reg_trie_data;
3620 struct ptr_tbl_ent {
3621 struct ptr_tbl_ent* next;
3627 struct ptr_tbl_ent** tbl_ary;
3630 struct ptr_tbl_arena *tbl_arena;
3631 struct ptr_tbl_ent *tbl_arena_next;
3632 struct ptr_tbl_ent *tbl_arena_end;
3635 #if defined(htonl) && !defined(HAS_HTONL)
3638 #if defined(htons) && !defined(HAS_HTONS)
3641 #if defined(ntohl) && !defined(HAS_NTOHL)
3644 #if defined(ntohs) && !defined(HAS_NTOHS)
3652 # if (BYTEORDER & 0xffff) == 0x4321
3653 /* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3654 re-order their values. However, to behave identically to the alternative
3655 implementations, they should truncate to the correct size. */
3656 # define ntohl(x) ((x)&0xFFFFFFFF)
3657 # define htonl(x) ntohl(x)
3658 # define ntohs(x) ((x)&0xFFFF)
3659 # define htons(x) ntohs(x)
3660 # elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3662 /* Note that we can't straight out declare our own htonl and htons because
3663 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3664 to avoid the overhead of initialising the socket subsystem, but the headers
3665 that *declare* the various functions are still seen. If we declare our own
3666 htonl etc they will clash with the declarations in the Win32 headers. */
3668 PERL_STATIC_INLINE U32
3669 my_swap32(const U32 x) {
3670 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3671 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3674 PERL_STATIC_INLINE U16
3675 my_swap16(const U16 x) {
3676 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3679 # define htonl(x) my_swap32(x)
3680 # define ntohl(x) my_swap32(x)
3681 # define ntohs(x) my_swap16(x)
3682 # define htons(x) my_swap16(x)
3684 # error "Unsupported byteorder"
3685 /* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3686 the error message. Please check the value of the macro BYTEORDER, as defined
3687 in config.h. The values of BYTEORDER we expect are
3689 big endian little endian
3690 32 bit 0x4321 0x1234
3691 64 bit 0x87654321 0x12345678
3693 If you have a system with a different byte order, please see
3694 pod/perlhack.pod for how to submit a patch to add supporting code.
3700 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3703 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3704 /* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3705 re-order their values. However, to behave identically to the alternative
3706 implementations, they should truncate to the correct size. */
3707 # define vtohl(x) ((x)&0xFFFFFFFF)
3708 # define vtohs(x) ((x)&0xFFFF)
3709 # define htovl(x) vtohl(x)
3710 # define htovs(x) vtohs(x)
3711 #elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
3712 # define vtohl(x) ((((x)&0xFF)<<24) \
3714 +(((x)&0x0000FF00)<<8) \
3715 +(((x)&0x00FF0000)>>8) )
3716 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3717 # define htovl(x) vtohl(x)
3718 # define htovs(x) vtohs(x)
3720 # error "Unsupported byteorder"
3721 /* If you have need for current perl on PDP-11 or similar, and can help test
3722 that blead keeps working on a mixed-endian system, then see
3723 pod/perlhack.pod for how to submit patches to things working again. */
3726 /* *MAX Plus 1. A floating point value.
3727 Hopefully expressed in a way that dodgy floating point can't mess up.
3728 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3730 May find that some broken compiler will want the value cast to I32.
3731 [after the shift, as signed >> may not be as secure as unsigned >>]
3733 #define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3734 #define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3735 /* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3736 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3737 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3739 #define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
3741 #define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3742 #define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3743 #define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3745 /* This may look like unnecessary jumping through hoops, but converting
3746 out of range floating point values to integers *is* undefined behaviour,
3747 and it is starting to bite.
3750 #define I_32(what) (cast_i32((NV)(what)))
3751 #define U_32(what) (cast_ulong((NV)(what)))
3752 #define I_V(what) (cast_iv((NV)(what)))
3753 #define U_V(what) (cast_uv((NV)(what)))
3755 #define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3756 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3757 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3758 #define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3759 : ((n) < U32_MAX_P1 ? (U32) (n) \
3760 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3761 #define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3762 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3763 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3764 #define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3765 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3766 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3769 #define U_S(what) ((U16)U_32(what))
3770 #define U_I(what) ((unsigned int)U_32(what))
3771 #define U_L(what) U_32(what)
3774 # define Perl_signbit signbit
3777 /* These do not care about the fractional part, only about the range. */
3778 #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
3779 #define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
3781 /* Used with UV/IV arguments: */
3782 /* XXXX: need to speed it up */
3783 #define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3784 #define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3791 #if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
3792 Uid_t getuid (void);
3793 Uid_t geteuid (void);
3794 Gid_t getgid (void);
3795 Gid_t getegid (void);
3799 #ifndef Perl_debug_log
3800 # define Perl_debug_log PerlIO_stderr()
3803 #ifndef Perl_error_log
3804 # define Perl_error_log (PL_stderrgv \
3805 && isGV(PL_stderrgv) \
3806 && GvIOp(PL_stderrgv) \
3807 && IoOFP(GvIOp(PL_stderrgv)) \
3808 ? IoOFP(GvIOp(PL_stderrgv)) \
3813 #define DEBUG_p_FLAG 0x00000001 /* 1 */
3814 #define DEBUG_s_FLAG 0x00000002 /* 2 */
3815 #define DEBUG_l_FLAG 0x00000004 /* 4 */
3816 #define DEBUG_t_FLAG 0x00000008 /* 8 */
3817 #define DEBUG_o_FLAG 0x00000010 /* 16 */
3818 #define DEBUG_c_FLAG 0x00000020 /* 32 */
3819 #define DEBUG_P_FLAG 0x00000040 /* 64 */
3820 #define DEBUG_m_FLAG 0x00000080 /* 128 */
3821 #define DEBUG_f_FLAG 0x00000100 /* 256 */
3822 #define DEBUG_r_FLAG 0x00000200 /* 512 */
3823 #define DEBUG_x_FLAG 0x00000400 /* 1024 */
3824 #define DEBUG_u_FLAG 0x00000800 /* 2048 */
3825 /* U is reserved for Unofficial, exploratory hacking */
3826 #define DEBUG_U_FLAG 0x00001000 /* 4096 */
3828 #define DEBUG_X_FLAG 0x00004000 /* 16384 */
3829 #define DEBUG_D_FLAG 0x00008000 /* 32768 */
3830 #define DEBUG_S_FLAG 0x00010000 /* 65536 */
3831 #define DEBUG_T_FLAG 0x00020000 /* 131072 */
3832 #define DEBUG_R_FLAG 0x00040000 /* 262144 */
3833 #define DEBUG_J_FLAG 0x00080000 /* 524288 */
3834 #define DEBUG_v_FLAG 0x00100000 /*1048576 */
3835 #define DEBUG_C_FLAG 0x00200000 /*2097152 */
3836 #define DEBUG_A_FLAG 0x00400000 /*4194304 */
3837 #define DEBUG_q_FLAG 0x00800000 /*8388608 */
3839 #define DEBUG_B_FLAG 0x02000000 /*33554432*/
3840 #define DEBUG_L_FLAG 0x04000000 /*67108864*/
3841 #define DEBUG_i_FLAG 0x08000000 /*134217728*/
3842 #define DEBUG_MASK 0x0FFFEFFF /* mask of all the standard flags */
3844 #define DEBUG_DB_RECURSE_FLAG 0x40000000
3845 #define DEBUG_TOP_FLAG 0x80000000 /* -D was given --> PL_debug |= FLAG */
3847 # define DEBUG_p_TEST_ UNLIKELY(PL_debug & DEBUG_p_FLAG)
3848 # define DEBUG_s_TEST_ UNLIKELY(PL_debug & DEBUG_s_FLAG)
3849 # define DEBUG_l_TEST_ UNLIKELY(PL_debug & DEBUG_l_FLAG)
3850 # define DEBUG_t_TEST_ UNLIKELY(PL_debug & DEBUG_t_FLAG)
3851 # define DEBUG_o_TEST_ UNLIKELY(PL_debug & DEBUG_o_FLAG)
3852 # define DEBUG_c_TEST_ UNLIKELY(PL_debug & DEBUG_c_FLAG)
3853 # define DEBUG_P_TEST_ UNLIKELY(PL_debug & DEBUG_P_FLAG)
3854 # define DEBUG_m_TEST_ UNLIKELY(PL_debug & DEBUG_m_FLAG)
3855 # define DEBUG_f_TEST_ UNLIKELY(PL_debug & DEBUG_f_FLAG)
3856 # define DEBUG_r_TEST_ UNLIKELY(PL_debug & DEBUG_r_FLAG)
3857 # define DEBUG_x_TEST_ UNLIKELY(PL_debug & DEBUG_x_FLAG)
3858 # define DEBUG_u_TEST_ UNLIKELY(PL_debug & DEBUG_u_FLAG)
3859 # define DEBUG_U_TEST_ UNLIKELY(PL_debug & DEBUG_U_FLAG)
3860 # define DEBUG_X_TEST_ UNLIKELY(PL_debug & DEBUG_X_FLAG)
3861 # define DEBUG_D_TEST_ UNLIKELY(PL_debug & DEBUG_D_FLAG)
3862 # define DEBUG_S_TEST_ UNLIKELY(PL_debug & DEBUG_S_FLAG)
3863 # define DEBUG_T_TEST_ UNLIKELY(PL_debug & DEBUG_T_FLAG)
3864 # define DEBUG_R_TEST_ UNLIKELY(PL_debug & DEBUG_R_FLAG)
3865 # define DEBUG_J_TEST_ UNLIKELY(PL_debug & DEBUG_J_FLAG)
3866 # define DEBUG_v_TEST_ UNLIKELY(PL_debug & DEBUG_v_FLAG)
3867 # define DEBUG_C_TEST_ UNLIKELY(PL_debug & DEBUG_C_FLAG)
3868 # define DEBUG_A_TEST_ UNLIKELY(PL_debug & DEBUG_A_FLAG)
3869 # define DEBUG_q_TEST_ UNLIKELY(PL_debug & DEBUG_q_FLAG)
3870 # define DEBUG_B_TEST_ UNLIKELY(PL_debug & DEBUG_B_FLAG)
3871 # define DEBUG_L_TEST_ UNLIKELY(PL_debug & DEBUG_L_FLAG)
3872 # define DEBUG_i_TEST_ UNLIKELY(PL_debug & DEBUG_i_FLAG)
3873 # define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
3874 # define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
3875 # define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
3876 # define DEBUG_Lv_TEST_ (DEBUG_L_TEST_ && DEBUG_v_TEST_)
3880 # define DEBUG_p_TEST DEBUG_p_TEST_
3881 # define DEBUG_s_TEST DEBUG_s_TEST_
3882 # define DEBUG_l_TEST DEBUG_l_TEST_
3883 # define DEBUG_t_TEST DEBUG_t_TEST_
3884 # define DEBUG_o_TEST DEBUG_o_TEST_
3885 # define DEBUG_c_TEST DEBUG_c_TEST_
3886 # define DEBUG_P_TEST DEBUG_P_TEST_
3887 # define DEBUG_m_TEST DEBUG_m_TEST_
3888 # define DEBUG_f_TEST DEBUG_f_TEST_
3889 # define DEBUG_r_TEST DEBUG_r_TEST_
3890 # define DEBUG_x_TEST DEBUG_x_TEST_
3891 # define DEBUG_u_TEST DEBUG_u_TEST_
3892 # define DEBUG_U_TEST DEBUG_U_TEST_
3893 # define DEBUG_X_TEST DEBUG_X_TEST_
3894 # define DEBUG_D_TEST DEBUG_D_TEST_
3895 # define DEBUG_S_TEST DEBUG_S_TEST_
3896 # define DEBUG_T_TEST DEBUG_T_TEST_
3897 # define DEBUG_R_TEST DEBUG_R_TEST_
3898 # define DEBUG_J_TEST DEBUG_J_TEST_
3899 # define DEBUG_v_TEST DEBUG_v_TEST_
3900 # define DEBUG_C_TEST DEBUG_C_TEST_
3901 # define DEBUG_A_TEST DEBUG_A_TEST_
3902 # define DEBUG_q_TEST DEBUG_q_TEST_
3903 # define DEBUG_B_TEST DEBUG_B_TEST_
3904 # define DEBUG_L_TEST DEBUG_L_TEST_
3905 # define DEBUG_i_TEST DEBUG_i_TEST_
3906 # define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3907 # define DEBUG_Uv_TEST DEBUG_Uv_TEST_
3908 # define DEBUG_Pv_TEST DEBUG_Pv_TEST_
3909 # define DEBUG_Lv_TEST DEBUG_Lv_TEST_
3911 # define PERL_DEB(a) a
3912 # define PERL_DEB2(a,b) a
3913 # define PERL_DEBUG(a) if (PL_debug) a
3914 # define DEBUG_p(a) if (DEBUG_p_TEST) a
3915 # define DEBUG_s(a) if (DEBUG_s_TEST) a
3916 # define DEBUG_l(a) if (DEBUG_l_TEST) a
3917 # define DEBUG_t(a) if (DEBUG_t_TEST) a
3918 # define DEBUG_o(a) if (DEBUG_o_TEST) a
3919 # define DEBUG_c(a) if (DEBUG_c_TEST) a
3920 # define DEBUG_P(a) if (DEBUG_P_TEST) a
3922 /* Temporarily turn off memory debugging in case the a
3923 * does memory allocation, either directly or indirectly. */
3924 # define DEBUG_m(a) \
3926 if (PERL_GET_INTERP) { \
3928 if (DEBUG_m_TEST) { \
3929 PL_debug &= ~DEBUG_m_FLAG; \
3931 PL_debug |= DEBUG_m_FLAG; \
3936 # define DEBUG__(t, a) \
3938 if (t) STMT_START {a;} STMT_END; \
3941 # define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3943 #ifndef PERL_EXT_RE_BUILD
3944 # define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3946 # define DEBUG_r(a) STMT_START {a;} STMT_END
3947 #endif /* PERL_EXT_RE_BUILD */
3949 # define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3950 # define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
3951 # define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
3952 # define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3953 # define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
3954 # define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3955 # define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
3956 # define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
3957 # define DEBUG_Lv(a) DEBUG__(DEBUG_Lv_TEST, a)
3959 # define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
3960 # define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3961 # define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
3962 # define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
3963 # define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
3964 # define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3965 # define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
3966 # define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
3967 # define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
3968 # define DEBUG_i(a) DEBUG__(DEBUG_i_TEST, a)
3970 #else /* DEBUGGING */
3972 # define DEBUG_p_TEST (0)
3973 # define DEBUG_s_TEST (0)
3974 # define DEBUG_l_TEST (0)
3975 # define DEBUG_t_TEST (0)
3976 # define DEBUG_o_TEST (0)
3977 # define DEBUG_c_TEST (0)
3978 # define DEBUG_P_TEST (0)
3979 # define DEBUG_m_TEST (0)
3980 # define DEBUG_f_TEST (0)
3981 # define DEBUG_r_TEST (0)
3982 # define DEBUG_x_TEST (0)
3983 # define DEBUG_u_TEST (0)
3984 # define DEBUG_U_TEST (0)
3985 # define DEBUG_X_TEST (0)
3986 # define DEBUG_D_TEST (0)
3987 # define DEBUG_S_TEST (0)
3988 # define DEBUG_T_TEST (0)
3989 # define DEBUG_R_TEST (0)
3990 # define DEBUG_J_TEST (0)
3991 # define DEBUG_v_TEST (0)
3992 # define DEBUG_C_TEST (0)
3993 # define DEBUG_A_TEST (0)
3994 # define DEBUG_q_TEST (0)
3995 # define DEBUG_B_TEST (0)
3996 # define DEBUG_L_TEST (0)
3997 # define DEBUG_i_TEST (0)
3998 # define DEBUG_Xv_TEST (0)
3999 # define DEBUG_Uv_TEST (0)
4000 # define DEBUG_Pv_TEST (0)
4001 # define DEBUG_Lv_TEST (0)
4003 # define PERL_DEB(a)
4004 # define PERL_DEB2(a,b) b
4005 # define PERL_DEBUG(a)
4031 # define DEBUG_Xv(a)
4032 # define DEBUG_Uv(a)
4033 # define DEBUG_Pv(a)
4034 # define DEBUG_Lv(a)
4035 #endif /* DEBUGGING */
4038 #define DEBUG_SCOPE(where) \
4040 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
4041 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
4042 __FILE__, __LINE__));
4044 /* Keep the old croak based assert for those who want it, and as a fallback if
4045 the platform is so heretically non-ANSI that it can't assert. */
4047 #define Perl_assert(what) PERL_DEB2( \
4048 ((what) ? ((void) 0) : \
4049 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
4050 "\", line %d", STRINGIFY(what), __LINE__), \
4051 (void) 0)), ((void)0))
4053 /* assert() gets defined if DEBUGGING.
4054 * If no DEBUGGING, the <assert.h> has not been included. */
4056 # define assert(what) Perl_assert(what)
4059 # define assert_(what) assert(what),
4061 # define assert_(what)
4065 I32 (*uf_val)(pTHX_ IV, SV*);
4066 I32 (*uf_set)(pTHX_ IV, SV*);
4070 /* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
4071 * XS code wanting to be backward compatible can do something
4072 * like the following:
4074 #ifndef PERL_MG_UFUNC
4075 #define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
4078 static PERL_MG_UFUNC(foo_get, index, val)
4088 #ifndef PERL_MG_UFUNC
4089 #define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
4094 /* isfinite and others are here rather than in math.h as C99 stipulates */
4099 # if !defined(WIN32) && !defined(VMS)
4101 char *crypt (const char*, const char*);
4103 # endif /* !WIN32 */
4106 char *getlogin (void);
4108 # endif /* !WIN32 */
4109 #endif /* !__cplusplus */
4111 /* Fixme on VMS. This needs to be a run-time, not build time options */
4112 /* Also rename() is affected by this */
4113 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
4114 #define UNLINK unlnk
4115 I32 unlnk (pTHX_ const char*);
4117 #define UNLINK PerlLIO_unlink
4120 /* some versions of glibc are missing the setresuid() proto */
4121 #if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
4122 int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4124 /* some versions of glibc are missing the setresgid() proto */
4125 #if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
4126 int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4129 #ifndef HAS_SETREUID
4130 # ifdef HAS_SETRESUID
4131 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4132 # define HAS_SETREUID
4135 #ifndef HAS_SETREGID
4136 # ifdef HAS_SETRESGID
4137 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4138 # define HAS_SETREGID
4142 /* Sighandler_t defined in iperlsys.h */
4144 #ifdef HAS_SIGACTION
4145 typedef struct sigaction Sigsave_t;
4147 typedef Sighandler_t Sigsave_t;
4158 # define RUNOPS_DEFAULT Perl_runops_debug
4160 # define RUNOPS_DEFAULT Perl_runops_standard
4163 #if defined(USE_PERLIO)
4164 EXTERN_C void PerlIO_teardown(void);
4165 # ifdef USE_ITHREADS
4166 # define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4167 # define PERLIO_TERM \
4169 PerlIO_teardown(); \
4170 MUTEX_DESTROY(&PL_perlio_mutex);\
4173 # define PERLIO_INIT
4174 # define PERLIO_TERM PerlIO_teardown()
4177 # define PERLIO_INIT
4178 # define PERLIO_TERM
4182 # ifdef MUTEX_INIT_CALLS_MALLOC
4183 # define MALLOC_INIT \
4185 PL_malloc_mutex = NULL; \
4186 MUTEX_INIT(&PL_malloc_mutex); \
4188 # define MALLOC_TERM \
4190 perl_mutex tmp = PL_malloc_mutex; \
4191 PL_malloc_mutex = NULL; \
4192 MUTEX_DESTROY(&tmp); \
4195 # define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4196 # define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4199 # define MALLOC_INIT
4200 # define MALLOC_TERM
4203 #if defined(PERL_IMPLICIT_CONTEXT)
4205 struct perl_memory_debug_header;
4206 struct perl_memory_debug_header {
4208 # if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
4211 struct perl_memory_debug_header *prev;
4212 struct perl_memory_debug_header *next;
4213 # ifdef PERL_DEBUG_READONLY_COW
4218 #elif defined(PERL_DEBUG_READONLY_COW)
4220 struct perl_memory_debug_header;
4221 struct perl_memory_debug_header {
4227 #if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
4229 # define PERL_MEMORY_DEBUG_HEADER_SIZE \
4230 (sizeof(struct perl_memory_debug_header) + \
4231 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4232 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4235 # define PERL_MEMORY_DEBUG_HEADER_SIZE 0
4238 #ifdef PERL_TRACK_MEMPOOL
4239 # ifdef PERL_DEBUG_READONLY_COW
4240 # define INIT_TRACK_MEMPOOL(header, interp) \
4242 (header).interpreter = (interp); \
4243 (header).prev = (header).next = &(header); \
4244 (header).readonly = 0; \
4247 # define INIT_TRACK_MEMPOOL(header, interp) \
4249 (header).interpreter = (interp); \
4250 (header).prev = (header).next = &(header); \
4254 # define INIT_TRACK_MEMPOOL(header, interp)
4257 #ifdef I_MALLOCMALLOC
4258 /* Needed for malloc_size(), malloc_good_size() on some systems */
4259 # include <malloc/malloc.h>
4263 # define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
4265 # if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
4266 # ifdef PERL_TRACK_MEMPOOL
4267 # define Perl_safesysmalloc_size(where) \
4268 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4270 # define Perl_safesysmalloc_size(where) malloc_size(where)
4273 # ifdef HAS_MALLOC_GOOD_SIZE
4274 # ifdef PERL_TRACK_MEMPOOL
4275 # define Perl_malloc_good_size(how_much) \
4276 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
4278 # define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4281 /* Having this as the identity operation makes some code simpler. */
4282 # define Perl_malloc_good_size(how_much) (how_much)
4286 typedef int (*runops_proc_t)(pTHX);
4287 typedef void (*share_proc_t) (pTHX_ SV *sv);
4288 typedef int (*thrhook_proc_t) (pTHX);
4289 typedef OP* (*PPADDR_t[]) (pTHX);
4290 typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4291 typedef void (*despatch_signals_proc_t) (pTHX);
4293 #if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4294 # include <crt_externs.h> /* for the env array */
4295 # define environ (*_NSGetEnviron())
4296 #elif defined(USE_ENVIRON_ARRAY) && !defined(environ)
4297 /* VMS and some other platforms don't use the environ array */
4298 EXTERN_C char **environ; /* environment variables supplied via exec */
4301 #define PERL_PATCHLEVEL_H_IMPLICIT
4302 #include "patchlevel.h"
4303 #undef PERL_PATCHLEVEL_H_IMPLICIT
4305 #define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4306 STRINGIFY(PERL_VERSION) "." \
4307 STRINGIFY(PERL_SUBVERSION)
4309 #define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4310 STRINGIFY(PERL_API_VERSION) "." \
4311 STRINGIFY(PERL_API_SUBVERSION)
4315 /* handy constants */
4316 EXTCONST char PL_warn_uninit[]
4317 INIT("Use of uninitialized value%s%s%s");
4318 EXTCONST char PL_warn_uninit_sv[]
4319 INIT("Use of uninitialized value%" SVf "%s%s");
4320 EXTCONST char PL_warn_nosemi[]
4321 INIT("Semicolon seems to be missing");
4322 EXTCONST char PL_warn_reserved[]
4323 INIT("Unquoted string \"%s\" may clash with future reserved word");
4324 EXTCONST char PL_warn_nl[]
4325 INIT("Unsuccessful %s on filename containing newline");
4326 EXTCONST char PL_no_wrongref[]
4327 INIT("Can't use %s ref as %s ref");
4328 /* The core no longer needs this here. If you require the string constant,
4329 please inline a copy into your own code. */
4330 EXTCONST char PL_no_symref[] __attribute__deprecated__
4331 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
4332 EXTCONST char PL_no_symref_sv[]
4333 INIT("Can't use string (\"%" SVf32 "\"%s) as %s ref while \"strict refs\" in use");
4335 EXTCONST char PL_no_usym[]
4336 INIT("Can't use an undefined value as %s reference");
4337 EXTCONST char PL_no_aelem[]
4338 INIT("Modification of non-creatable array value attempted, subscript %d");
4339 EXTCONST char PL_no_helem_sv[]
4340 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
4341 EXTCONST char PL_no_modify[]
4342 INIT("Modification of a read-only value attempted");
4343 EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
4344 INIT("Out of memory!\n");
4345 EXTCONST char PL_no_security[]
4346 INIT("Insecure dependency in %s%s");
4347 EXTCONST char PL_no_sock_func[]
4348 INIT("Unsupported socket function \"%s\" called");
4349 EXTCONST char PL_no_dir_func[]
4350 INIT("Unsupported directory function \"%s\" called");
4351 EXTCONST char PL_no_func[]
4352 INIT("The %s function is unimplemented");
4353 EXTCONST char PL_no_myglob[]
4354 INIT("\"%s\" %se %s can't be in a package");
4355 EXTCONST char PL_no_localize_ref[]
4356 INIT("Can't localize through a reference");
4357 EXTCONST char PL_memory_wrap[]
4358 INIT("panic: memory wrap");
4360 EXTCONST char PL_Yes[]
4362 EXTCONST char PL_No[]
4364 EXTCONST char PL_Zero[]
4366 EXTCONST char PL_hexdigit[]
4367 INIT("0123456789abcdef0123456789ABCDEF");
4369 /* This is constant on most architectures, a global on OS/2 */
4371 EXTCONST char PL_sh_path[]
4372 INIT(SH_PATH); /* full path of shell */
4376 EXTCONST char PL_cshname[]
4378 # define PL_cshlen (sizeof(CSH "") - 1)
4381 /* These are baked at compile time into any shared perl library.
4382 In future releases this will allow us in main() to sanity test the
4383 library we're linking against. */
4385 EXTCONST U8 PL_revision
4386 INIT(PERL_REVISION);
4387 EXTCONST U8 PL_version
4389 EXTCONST U8 PL_subversion
4390 INIT(PERL_SUBVERSION);
4392 EXTCONST char PL_uuemap[65]
4393 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4395 /* a special string address whose value is "isa", but which perl knows
4396 * to treat as if it were really "DOES" when printing the method name in
4397 * the "Can't call method '%s'" error message */
4398 EXTCONST char PL_isa_DOES[]
4402 EXTCONST char PL_uudmap[256] =
4404 # include "uuudmap.h"
4406 # include "uudmap.h"
4409 EXTCONST char PL_bitcount[256] =
4411 # include "ubitcount.h"
4413 # include "bitcount.h"
4416 EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4417 EXTCONST int PL_sig_num[] = { SIG_NUM };
4419 EXTCONST char PL_uudmap[256];
4420 EXTCONST char PL_bitcount[256];
4421 EXTCONST char* const PL_sig_name[];
4422 EXTCONST int PL_sig_num[];
4425 /* fast conversion and case folding tables. The folding tables complement the
4426 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4427 * folds such as outside the range or to multiple characters. */
4432 /* The EBCDIC fold table depends on the code page, and hence is found in
4435 EXTCONST unsigned char PL_fold[] = {
4436 0, 1, 2, 3, 4, 5, 6, 7,
4437 8, 9, 10, 11, 12, 13, 14, 15,
4438 16, 17, 18, 19, 20, 21, 22, 23,
4439 24, 25, 26, 27, 28, 29, 30, 31,
4440 32, 33, 34, 35, 36, 37, 38, 39,
4441 40, 41, 42, 43, 44, 45, 46, 47,
4442 48, 49, 50, 51, 52, 53, 54, 55,
4443 56, 57, 58, 59, 60, 61, 62, 63,
4444 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4445 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4446 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4447 'x', 'y', 'z', 91, 92, 93, 94, 95,
4448 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4449 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4450 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4451 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4452 128, 129, 130, 131, 132, 133, 134, 135,
4453 136, 137, 138, 139, 140, 141, 142, 143,
4454 144, 145, 146, 147, 148, 149, 150, 151,
4455 152, 153, 154, 155, 156, 157, 158, 159,
4456 160, 161, 162, 163, 164, 165, 166, 167,
4457 168, 169, 170, 171, 172, 173, 174, 175,
4458 176, 177, 178, 179, 180, 181, 182, 183,
4459 184, 185, 186, 187, 188, 189, 190, 191,
4460 192, 193, 194, 195, 196, 197, 198, 199,
4461 200, 201, 202, 203, 204, 205, 206, 207,
4462 208, 209, 210, 211, 212, 213, 214, 215,
4463 216, 217, 218, 219, 220, 221, 222, 223,
4464 224, 225, 226, 227, 228, 229, 230, 231,
4465 232, 233, 234, 235, 236, 237, 238, 239,
4466 240, 241, 242, 243, 244, 245, 246, 247,
4467 248, 249, 250, 251, 252, 253, 254, 255
4469 EXTCONST unsigned char PL_fold_latin1[] = {
4470 /* Full latin1 complement folding, except for three problematic code points:
4471 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4472 * fold complements outside the Latin1 range, so can't match something
4473 * that isn't in utf8.
4474 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4475 * not one, so can't be represented in this table.
4477 * All have to be specially handled */
4478 0, 1, 2, 3, 4, 5, 6, 7,
4479 8, 9, 10, 11, 12, 13, 14, 15,
4480 16, 17, 18, 19, 20, 21, 22, 23,
4481 24, 25, 26, 27, 28, 29, 30, 31,
4482 32, 33, 34, 35, 36, 37, 38, 39,
4483 40, 41, 42, 43, 44, 45, 46, 47,
4484 48, 49, 50, 51, 52, 53, 54, 55,
4485 56, 57, 58, 59, 60, 61, 62, 63,
4486 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4487 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4488 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4489 'x', 'y', 'z', 91, 92, 93, 94, 95,
4490 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4491 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4492 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4493 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4494 128, 129, 130, 131, 132, 133, 134, 135,
4495 136, 137, 138, 139, 140, 141, 142, 143,
4496 144, 145, 146, 147, 148, 149, 150, 151,
4497 152, 153, 154, 155, 156, 157, 158, 159,
4498 160, 161, 162, 163, 164, 165, 166, 167,
4499 168, 169, 170, 171, 172, 173, 174, 175,
4500 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4501 184, 185, 186, 187, 188, 189, 190, 191,
4502 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4503 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4504 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4505 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4506 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4507 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4508 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4509 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4510 255 /* y with diaeresis */
4513 /* If these tables are accessed through ebcdic, the access will be converted to
4515 EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4516 0, 1, 2, 3, 4, 5, 6, 7,
4517 8, 9, 10, 11, 12, 13, 14, 15,
4518 16, 17, 18, 19, 20, 21, 22, 23,
4519 24, 25, 26, 27, 28, 29, 30, 31,
4520 32, 33, 34, 35, 36, 37, 38, 39,
4521 40, 41, 42, 43, 44, 45, 46, 47,
4522 48, 49, 50, 51, 52, 53, 54, 55,
4523 56, 57, 58, 59, 60, 61, 62, 63,
4524 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4525 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4526 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4527 'x', 'y', 'z', 91, 92, 93, 94, 95,
4528 96, 97, 98, 99, 100, 101, 102, 103,
4529 104, 105, 106, 107, 108, 109, 110, 111,
4530 112, 113, 114, 115, 116, 117, 118, 119,
4531 120, 121, 122, 123, 124, 125, 126, 127,
4532 128, 129, 130, 131, 132, 133, 134, 135,
4533 136, 137, 138, 139, 140, 141, 142, 143,
4534 144, 145, 146, 147, 148, 149, 150, 151,
4535 152, 153, 154, 155, 156, 157, 158, 159,
4536 160, 161, 162, 163, 164, 165, 166, 167,
4537 168, 169, 170, 171, 172, 173, 174, 175,
4538 176, 177, 178, 179, 180, 181, 182, 183,
4539 184, 185, 186, 187, 188, 189, 190, 191,
4540 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4541 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4542 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4543 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4544 224, 225, 226, 227, 228, 229, 230, 231,
4545 232, 233, 234, 235, 236, 237, 238, 239,
4546 240, 241, 242, 243, 244, 245, 246, 247,
4547 248, 249, 250, 251, 252, 253, 254, 255
4550 /* upper and title case of latin1 characters, modified so that the three tricky
4551 * ones are mapped to 255 (which is one of the three) */
4552 EXTCONST unsigned char PL_mod_latin1_uc[] = {
4553 0, 1, 2, 3, 4, 5, 6, 7,
4554 8, 9, 10, 11, 12, 13, 14, 15,
4555 16, 17, 18, 19, 20, 21, 22, 23,
4556 24, 25, 26, 27, 28, 29, 30, 31,
4557 32, 33, 34, 35, 36, 37, 38, 39,
4558 40, 41, 42, 43, 44, 45, 46, 47,
4559 48, 49, 50, 51, 52, 53, 54, 55,
4560 56, 57, 58, 59, 60, 61, 62, 63,
4561 64, 65, 66, 67, 68, 69, 70, 71,
4562 72, 73, 74, 75, 76, 77, 78, 79,
4563 80, 81, 82, 83, 84, 85, 86, 87,
4564 88, 89, 90, 91, 92, 93, 94, 95,
4565 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4566 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4567 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4568 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4569 128, 129, 130, 131, 132, 133, 134, 135,
4570 136, 137, 138, 139, 140, 141, 142, 143,
4571 144, 145, 146, 147, 148, 149, 150, 151,
4572 152, 153, 154, 155, 156, 157, 158, 159,
4573 160, 161, 162, 163, 164, 165, 166, 167,
4574 168, 169, 170, 171, 172, 173, 174, 175,
4575 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4576 184, 185, 186, 187, 188, 189, 190, 191,
4577 192, 193, 194, 195, 196, 197, 198, 199,
4578 200, 201, 202, 203, 204, 205, 206, 207,
4579 208, 209, 210, 211, 212, 213, 214, 215,
4580 216, 217, 218, 219, 220, 221, 222,
4581 #if UNICODE_MAJOR_VERSION > 2 \
4582 || (UNICODE_MAJOR_VERSION == 2 && UNICODE_DOT_VERSION >= 1 \
4583 && UNICODE_DOT_DOT_VERSION >= 8)
4585 #else /* uc() is itself in early unicode */
4588 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4589 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4590 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4591 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4593 #endif /* !EBCDIC, but still in DOINIT */
4594 #else /* ! DOINIT */
4596 EXTCONST unsigned char PL_fold[];
4597 EXTCONST unsigned char PL_fold_latin1[];
4598 EXTCONST unsigned char PL_mod_latin1_uc[];
4599 EXTCONST unsigned char PL_latin1_lc[];
4603 #ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
4605 EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
4606 0, 1, 2, 3, 4, 5, 6, 7,
4607 8, 9, 10, 11, 12, 13, 14, 15,
4608 16, 17, 18, 19, 20, 21, 22, 23,
4609 24, 25, 26, 27, 28, 29, 30, 31,
4610 32, 33, 34, 35, 36, 37, 38, 39,
4611 40, 41, 42, 43, 44, 45, 46, 47,
4612 48, 49, 50, 51, 52, 53, 54, 55,
4613 56, 57, 58, 59, 60, 61, 62, 63,
4614 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4615 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4616 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4617 'x', 'y', 'z', 91, 92, 93, 94, 95,
4618 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4619 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4620 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4621 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4622 128, 129, 130, 131, 132, 133, 134, 135,
4623 136, 137, 138, 139, 140, 141, 142, 143,
4624 144, 145, 146, 147, 148, 149, 150, 151,
4625 152, 153, 154, 155, 156, 157, 158, 159,
4626 160, 161, 162, 163, 164, 165, 166, 167,
4627 168, 169, 170, 171, 172, 173, 174, 175,
4628 176, 177, 178, 179, 180, 181, 182, 183,
4629 184, 185, 186, 187, 188, 189, 190, 191,
4630 192, 193, 194, 195, 196, 197, 198, 199,
4631 200, 201, 202, 203, 204, 205, 206, 207,
4632 208, 209, 210, 211, 212, 213, 214, 215,
4633 216, 217, 218, 219, 220, 221, 222, 223,
4634 224, 225, 226, 227, 228, 229, 230, 231,
4635 232, 233, 234, 235, 236, 237, 238, 239,
4636 240, 241, 242, 243, 244, 245, 246, 247,
4637 248, 249, 250, 251, 252, 253, 254, 255
4640 EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
4642 #endif /* !PERL_GLOBAL_STRUCT */
4646 EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
4647 1, 2, 84, 151, 154, 155, 156, 157,
4648 165, 246, 250, 3, 158, 7, 18, 29,
4649 40, 51, 62, 73, 85, 96, 107, 118,
4650 129, 140, 147, 148, 149, 150, 152, 153,
4651 255, 6, 8, 9, 10, 11, 12, 13,
4652 14, 15, 24, 25, 26, 27, 28, 226,
4653 29, 30, 31, 32, 33, 43, 44, 45,
4654 46, 47, 48, 49, 50, 76, 77, 78,
4655 79, 80, 81, 82, 83, 84, 85, 86,
4656 87, 94, 95, 234, 181, 233, 187, 190,
4657 180, 96, 97, 98, 99, 100, 101, 102,
4658 104, 112, 182, 174, 236, 232, 229, 103,
4659 228, 226, 114, 115, 116, 117, 118, 119,
4660 120, 121, 122, 235, 176, 230, 194, 162,
4661 130, 131, 132, 133, 134, 135, 136, 137,
4662 138, 139, 201, 205, 163, 217, 220, 224,
4663 5, 248, 227, 244, 242, 255, 241, 231,
4664 240, 253, 16, 197, 19, 20, 21, 187,
4665 23, 169, 210, 245, 237, 249, 247, 239,
4666 168, 252, 34, 196, 36, 37, 38, 39,
4667 41, 42, 251, 254, 238, 223, 221, 213,
4668 225, 177, 52, 53, 54, 55, 56, 57,
4669 58, 59, 60, 61, 63, 64, 65, 66,
4670 67, 68, 69, 70, 71, 72, 74, 75,
4671 205, 208, 186, 202, 200, 218, 198, 179,
4672 178, 214, 88, 89, 90, 91, 92, 93,
4673 217, 166, 170, 207, 199, 209, 206, 204,
4674 160, 212, 105, 106, 108, 109, 110, 111,
4675 203, 113, 216, 215, 192, 175, 193, 243,
4676 172, 161, 123, 124, 125, 126, 127, 128,
4677 222, 219, 211, 195, 188, 193, 185, 184,
4678 191, 183, 141, 142, 143, 144, 145, 146
4680 #else /* ascii rather than ebcdic */
4681 EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
4682 1, 2, 84, 151, 154, 155, 156, 157,
4683 165, 246, 250, 3, 158, 7, 18, 29,
4684 40, 51, 62, 73, 85, 96, 107, 118,
4685 129, 140, 147, 148, 149, 150, 152, 153,
4686 255, 182, 224, 205, 174, 176, 180, 217,
4687 233, 232, 236, 187, 235, 228, 234, 226,
4688 222, 219, 211, 195, 188, 193, 185, 184,
4689 191, 183, 201, 229, 181, 220, 194, 162,
4690 163, 208, 186, 202, 200, 218, 198, 179,
4691 178, 214, 166, 170, 207, 199, 209, 206,
4692 204, 160, 212, 216, 215, 192, 175, 173,
4693 243, 172, 161, 190, 203, 189, 164, 230,
4694 167, 248, 227, 244, 242, 255, 241, 231,
4695 240, 253, 169, 210, 245, 237, 249, 247,
4696 239, 168, 252, 251, 254, 238, 223, 221,
4697 213, 225, 177, 197, 171, 196, 159, 4,
4698 5, 6, 8, 9, 10, 11, 12, 13,
4699 14, 15, 16, 17, 19, 20, 21, 22,
4700 23, 24, 25, 26, 27, 28, 30, 31,
4701 32, 33, 34, 35, 36, 37, 38, 39,
4702 41, 42, 43, 44, 45, 46, 47, 48,
4703 49, 50, 52, 53, 54, 55, 56, 57,
4704 58, 59, 60, 61, 63, 64, 65, 66,
4705 67, 68, 69, 70, 71, 72, 74, 75,
4706 76, 77, 78, 79, 80, 81, 82, 83,
4707 86, 87, 88, 89, 90, 91, 92, 93,
4708 94, 95, 97, 98, 99, 100, 101, 102,
4709 103, 104, 105, 106, 108, 109, 110, 111,
4710 112, 113, 114, 115, 116, 117, 119, 120,
4711 121, 122, 123, 124, 125, 126, 127, 128,
4712 130, 131, 132, 133, 134, 135, 136, 137,
4713 138, 139, 141, 142, 143, 144, 145, 146
4717 EXTCONST unsigned char PL_freq[];
4720 /* Although only used for debugging, these constants must be available in
4721 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4722 * which has DEBUGGING enabled always */
4724 EXTCONST char* const PL_block_type[] = {
4740 EXTCONST char* PL_block_type[];
4743 /* These are all the compile time options that affect binary compatibility.
4744 Other compile time options that are binary compatible are in perl.c
4745 (in S_Internals_V()). Both are combined for the output of perl -V
4746 However, this string will be embedded in any shared perl library, which will
4747 allow us add a comparison check in perlmain.c in the near future. */
4749 EXTCONST char PL_bincompat_options[] =
4750 # ifdef DEBUG_LEAKING_SCALARS
4751 " DEBUG_LEAKING_SCALARS"
4753 # ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4754 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4762 # ifdef HAVE_INTERP_INTERN
4763 " HAVE_INTERP_INTERN"
4765 # ifdef MULTIPLICITY
4771 # ifdef PERLIO_LAYERS
4774 # ifdef PERL_DEBUG_READONLY_COW
4775 " PERL_DEBUG_READONLY_COW"
4777 # ifdef PERL_DEBUG_READONLY_OPS
4778 " PERL_DEBUG_READONLY_OPS"
4780 # ifdef PERL_GLOBAL_STRUCT
4781 " PERL_GLOBAL_STRUCT"
4783 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
4784 " PERL_GLOBAL_STRUCT_PRIVATE"
4786 # ifdef PERL_IMPLICIT_CONTEXT
4787 " PERL_IMPLICIT_CONTEXT"
4789 # ifdef PERL_IMPLICIT_SYS
4790 " PERL_IMPLICIT_SYS"
4795 # ifdef PERL_NEED_APPCTX
4798 # ifdef PERL_NEED_TIMESBASE
4799 " PERL_NEED_TIMESBASE"
4804 # ifdef PERL_SAWAMPERSAND
4805 " PERL_SAWAMPERSAND"
4807 # ifdef PERL_TRACK_MEMPOOL
4808 " PERL_TRACK_MEMPOOL"
4810 # ifdef PERL_USES_PL_PIDSTATUS
4811 " PERL_USES_PL_PIDSTATUS"
4813 # ifdef USE_64_BIT_ALL
4816 # ifdef USE_64_BIT_INT
4822 # ifdef USE_ITHREADS
4825 # ifdef USE_LARGE_FILES
4828 # ifdef USE_LOCALE_COLLATE
4829 " USE_LOCALE_COLLATE"
4831 # ifdef USE_LOCALE_NUMERIC
4832 " USE_LOCALE_NUMERIC"
4834 # ifdef USE_LOCALE_TIME
4837 # ifdef USE_LONG_DOUBLE
4843 # ifdef USE_QUADMATH
4846 # ifdef USE_REENTRANT_API
4847 " USE_REENTRANT_API"
4852 # ifdef VMS_DO_SOCKETS
4855 # ifdef VMS_SHORTEN_LONG_SYMBOLS
4856 " VMS_SHORTEN_LONG_SYMBOLS"
4858 # ifdef VMS_WE_ARE_CASE_SENSITIVE
4859 " VMS_SYMBOL_CASE_AS_IS"
4863 EXTCONST char PL_bincompat_options[];
4866 #ifndef PERL_SET_PHASE
4867 # define PERL_SET_PHASE(new_phase) \
4868 PERL_DTRACE_PROBE_PHASE(new_phase); \
4869 PL_phase = new_phase;
4872 /* The interpreter phases. If these ever change, PL_phase_names right below will
4873 * need to be updated accordingly. */
4875 PERL_PHASE_CONSTRUCT = 0,
4876 PERL_PHASE_START = 1,
4877 PERL_PHASE_CHECK = 2,
4878 PERL_PHASE_INIT = 3,
4881 PERL_PHASE_DESTRUCT = 6
4885 EXTCONST char *const PL_phase_names[] = {
4895 EXTCONST char *const PL_phase_names[];
4899 /* Do not use this macro. It only exists for extensions that rely on PL_dirty
4900 * instead of using the newer PL_phase, which provides everything PL_dirty
4901 * provided, and more. */
4902 # define PL_dirty cBOOL(PL_phase == PERL_PHASE_DESTRUCT)
4904 # define PL_amagic_generation PL_na
4905 # define PL_encoding ((SV *)NULL)
4906 #endif /* !PERL_CORE */
4908 #define PL_hints PL_compiling.cop_hints
4909 #define PL_maxo MAXO
4913 /*****************************************************************************/
4914 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
4915 /*****************************************************************************/
4916 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
4919 /* LynxOS defines these in scsi.h which is included via ioctl.h */
4928 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
4941 XTERMORDORDOR /* evil hack */
4942 /* update exp_name[] in toke.c if adding to this enum */
4945 #define KEY_sigvar 0xFFFF /* fake keyword representing a signature var */
4947 /* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4948 special and there is no need for HINT_PRIVATE_MASK for COPs
4949 However, bitops store HINT_INTEGER in their op_private.
4951 NOTE: The typical module using these has the bit value hard-coded, so don't
4952 blindly change the values of these.
4954 If we run out of bits, the 2 locale ones could be combined. The PARTIAL one
4955 is for "use locale 'FOO'" which excludes some categories. It requires going
4956 to %^H to find out which are in and which are out. This could be extended
4957 for the normal case of a plain HINT_LOCALE, so that %^H would be used for
4959 #define HINT_INTEGER 0x00000001 /* integer pragma */
4960 #define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4961 #define HINT_LOCALE 0x00000004 /* locale pragma */
4962 #define HINT_BYTES 0x00000008 /* bytes pragma */
4963 #define HINT_LOCALE_PARTIAL 0x00000010 /* locale, but a subset of categories */
4965 #define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
4966 #define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
4967 #define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
4969 #define HINT_BLOCK_SCOPE 0x00000100
4970 #define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4971 #define HINT_STRICT_VARS 0x00000400 /* strict pragma */
4972 #define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
4974 /* The HINT_NEW_* constants are used by the overload pragma */
4975 #define HINT_NEW_INTEGER 0x00001000
4976 #define HINT_NEW_FLOAT 0x00002000
4977 #define HINT_NEW_BINARY 0x00004000
4978 #define HINT_NEW_STRING 0x00008000
4979 #define HINT_NEW_RE 0x00010000
4980 #define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
4981 #define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4982 #define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
4984 #define HINT_RE_TAINT 0x00100000 /* re pragma */
4985 #define HINT_RE_EVAL 0x00200000 /* re pragma */
4987 #define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4988 #define HINT_UTF8 0x00800000 /* utf8 pragma */
4990 #define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4992 #define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4994 #define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4996 /* Note: Used for HINT_M_VMSISH_*,
4997 currently defined by vms/vmsish.h:
5002 /* The following are stored in $^H{sort}, not in PL_hints */
5003 #define HINT_SORT_STABLE 0x00000100 /* sort styles */
5004 #define HINT_SORT_UNSTABLE 0x00000200
5006 /* flags for PL_sawampersand */
5008 #define SAWAMPERSAND_LEFT 1 /* saw $` */
5009 #define SAWAMPERSAND_MIDDLE 2 /* saw $& */
5010 #define SAWAMPERSAND_RIGHT 4 /* saw $' */
5012 #ifndef PERL_SAWAMPERSAND
5013 # define PL_sawampersand \
5014 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
5017 /* Used for debugvar magic */
5018 #define DBVARMG_SINGLE 0
5019 #define DBVARMG_TRACE 1
5020 #define DBVARMG_SIGNAL 2
5021 #define DBVARMG_COUNT 3
5023 #define PL_DBsingle_iv (PL_DBcontrol[DBVARMG_SINGLE])
5024 #define PL_DBtrace_iv (PL_DBcontrol[DBVARMG_TRACE])
5025 #define PL_DBsignal_iv (PL_DBcontrol[DBVARMG_SIGNAL])
5027 /* Various states of the input record separator SV (rs) */
5028 #define RsSNARF(sv) (! SvOK(sv))
5029 #define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
5030 #define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5031 #define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
5033 /* A struct for keeping various DEBUGGING related stuff,
5034 * neatly packed. Currently only scratch variables for
5035 * constructing debug output are included. Needed always,
5036 * not just when DEBUGGING, though, because of the re extension. c*/
5037 struct perl_debug_pad {
5041 #define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
5042 #define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
5043 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
5046 /* Enable variables which are pointers to functions */
5047 typedef void (*peep_t)(pTHX_ OP* o);
5048 typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
5049 typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
5050 char* strend, char* strbeg, I32 minend,
5051 SV* screamer, void* data, U32 flags);
5052 typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
5053 char *strpos, char *strend,
5055 re_scream_pos_data *d);
5056 typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
5057 typedef void (*regfree_t) (pTHX_ struct regexp* r);
5058 typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
5059 typedef I32 (*re_fold_t)(const char *, char const *, I32);
5061 typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
5062 typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
5063 typedef void (*SVFUNC_t) (pTHX_ SV* const);
5064 typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
5065 typedef void (*XSINIT_t) (pTHX);
5066 typedef void (*ATEXIT_t) (pTHX_ void*);
5067 typedef void (*XSUBADDR_t) (pTHX_ CV *);
5069 typedef OP* (*Perl_ppaddr_t)(pTHX);
5070 typedef OP* (*Perl_check_t) (pTHX_ OP*);
5071 typedef void(*Perl_ophook_t)(pTHX_ OP*);
5072 typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
5073 typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
5075 typedef void(*globhook_t)(pTHX);
5077 #define KEYWORD_PLUGIN_DECLINE 0
5078 #define KEYWORD_PLUGIN_STMT 1
5079 #define KEYWORD_PLUGIN_EXPR 2
5081 /* Interpreter exitlist entry */
5082 typedef struct exitlistentry {
5083 void (*fn) (pTHX_ void*);
5085 } PerlExitListEntry;
5087 /* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
5088 /* These have to be before perlvars.h */
5089 #if !defined(HAS_SIGACTION) && defined(VMS)
5090 # define FAKE_PERSISTENT_SIGNAL_HANDLERS
5092 /* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
5093 #if defined(KILL_BY_SIGPRC)
5094 # define FAKE_DEFAULT_SIGNAL_HANDLERS
5097 #if !defined(MULTIPLICITY)
5099 struct interpreter {
5105 /* If we have multiple interpreters define a struct
5106 holding variables which must be per-interpreter
5107 If we don't have threads anything that would have
5108 be per-thread is per-interpreter.
5111 /* Set up PERLVAR macros for populating structs */
5112 # define PERLVAR(prefix,var,type) type prefix##var;
5114 /* 'var' is an array of length 'n' */
5115 # define PERLVARA(prefix,var,n,type) type prefix##var[n];
5117 /* initialize 'var' to init' */
5118 # define PERLVARI(prefix,var,type,init) type prefix##var;
5120 /* like PERLVARI, but make 'var' a const */
5121 # define PERLVARIC(prefix,var,type,init) type prefix##var;
5123 struct interpreter {
5124 # include "intrpvar.h"
5127 EXTCONST U16 PL_interp_size
5128 INIT(sizeof(struct interpreter));
5130 # define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
5131 STRUCT_OFFSET(struct interpreter, member) + \
5132 sizeof(((struct interpreter*)0)->member)
5134 /* This will be useful for subsequent releases, because this has to be the
5135 same in your libperl as in main(), else you have a mismatch and must abort.
5137 EXTCONST U16 PL_interp_size_5_18_0
5138 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER));
5141 # ifdef PERL_GLOBAL_STRUCT
5142 /* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
5143 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
5146 # include "perlvars.h"
5149 EXTCONST U16 PL_global_struct_size
5150 INIT(sizeof(struct perl_vars));
5153 # ifndef PERL_GLOBAL_STRUCT_PRIVATE
5154 EXT struct perl_vars PL_Vars;
5155 EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
5156 # undef PERL_GET_VARS
5157 # define PERL_GET_VARS() PL_VarsPtr
5158 # endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
5159 # else /* PERL_CORE */
5160 # if !defined(__GNUC__) || !defined(WIN32)
5163 struct perl_vars *PL_VarsPtr;
5164 # define PL_Vars (*((PL_VarsPtr) \
5165 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
5166 # endif /* PERL_CORE */
5167 # endif /* PERL_GLOBAL_STRUCT */
5169 /* Done with PERLVAR macros for now ... */
5175 #endif /* MULTIPLICITY */
5177 struct tempsym; /* defined in pp_pack.c */
5184 #define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5185 #define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
5188 # include "malloc_ctl.h"
5192 * This provides a layer of functions and macros to ensure extensions will
5193 * get to use the same RTL functions as the core.
5196 # include "win32iop.h"
5202 /* this has structure inits, so it cannot be included before here */
5205 /* The following must follow proto.h as #defines mess up syntax */
5207 #if !defined(PERL_FOR_X2P)
5208 # include "embedvar.h"
5211 /* Now include all the 'global' variables
5212 * If we don't have threads or multiple interpreters
5213 * these include variables that would have been their struct-s
5216 #define PERLVAR(prefix,var,type) EXT type PL_##var;
5217 #define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5218 #define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5219 #define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
5221 #if !defined(MULTIPLICITY)
5223 # include "intrpvar.h"
5225 # define PL_sv_yes (PL_sv_immortals[0])
5226 # define PL_sv_undef (PL_sv_immortals[1])
5227 # define PL_sv_no (PL_sv_immortals[2])
5228 # define PL_sv_zero (PL_sv_immortals[3])
5232 /* All core uses now exterminated. Ensure no zombies can return: */
5236 /* Now all the config stuff is setup we can include embed.h
5237 In particular, need the relevant *ish file included already, as it may
5238 define HAVE_INTERP_INTERN */
5241 #ifndef PERL_GLOBAL_STRUCT
5244 # include "perlvars.h"
5254 #if !defined(MULTIPLICITY)
5255 /* Set up PERLVAR macros for populating structs */
5256 # define PERLVAR(prefix,var,type) type prefix##var;
5257 /* 'var' is an array of length 'n' */
5258 # define PERLVARA(prefix,var,n,type) type prefix##var[n];
5259 /* initialize 'var' to init' */
5260 # define PERLVARI(prefix,var,type,init) type prefix##var;
5261 /* like PERLVARI, but make 'var' a const */
5262 # define PERLVARIC(prefix,var,type,init) type prefix##var;
5264 /* this is never instantiated, is it just used for sizeof(struct PerlHandShakeInterpreter) */
5265 struct PerlHandShakeInterpreter {
5266 # include "intrpvar.h"
5276 /* dummy variables that hold pointers to both runops functions, thus forcing
5277 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5279 EXTCONST runops_proc_t PL_runops_std
5280 INIT(Perl_runops_standard);
5281 EXTCONST runops_proc_t PL_runops_dbg
5282 INIT(Perl_runops_debug);
5284 #define EXT_MGVTBL EXTCONST MGVTBL
5286 #define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
5287 #define PERL_MAGIC_VALUE_MAGIC 0x80
5288 #define PERL_MAGIC_VTABLE_MASK 0x3F
5289 #define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5290 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
5291 #define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5292 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5294 #include "mg_vtable.h"
5297 EXTCONST U8 PL_magic_data[256] =
5299 # include "umg_data.h"
5301 # include "mg_data.h"
5305 EXTCONST U8 PL_magic_data[256];
5309 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */
5311 PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5313 PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5315 PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1 };
5317 PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
5319 PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
5321 PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
5325 EXTCONST bool PL_valid_types_IVX[];
5326 EXTCONST bool PL_valid_types_NVX[];
5327 EXTCONST bool PL_valid_types_PVX[];
5328 EXTCONST bool PL_valid_types_RV[];
5329 EXTCONST bool PL_valid_types_IV_set[];
5330 EXTCONST bool PL_valid_types_NV_set[];
5334 /* In C99 we could use designated (named field) union initializers.
5335 * In C89 we need to initialize the member declared first.
5336 * In C++ we need extern C initializers.
5338 * With the U8_NV version you will want to have inner braces,
5339 * while with the NV_U8 use just the NV. */
5342 #define INFNAN_U8_NV_DECL EXTERN_C const union { U8 u8[NVSIZE]; NV nv; }
5343 #define INFNAN_NV_U8_DECL EXTERN_C const union { NV nv; U8 u8[NVSIZE]; }
5345 #define INFNAN_U8_NV_DECL EXTCONST union { U8 u8[NVSIZE]; NV nv; }
5346 #define INFNAN_NV_U8_DECL EXTCONST union { NV nv; U8 u8[NVSIZE]; }
5349 /* if these never got defined, they need defaults */
5350 #ifndef PERL_SET_CONTEXT
5351 # define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5354 #ifndef PERL_GET_CONTEXT
5355 # define PERL_GET_CONTEXT PERL_GET_INTERP
5358 #ifndef PERL_GET_THX
5359 # define PERL_GET_THX ((void*)NULL)
5362 #ifndef PERL_SET_THX
5363 # define PERL_SET_THX(t) NOOP
5367 #ifndef PERL_NO_INLINE_FUNCTIONS
5368 /* Static inline funcs that depend on includes and declarations above.
5369 Some of these reference functions in the perl object files, and some
5370 compilers aren't smart enough to eliminate unused static inline
5371 functions, so including this file in source code can cause link errors
5372 even if the source code uses none of the functions. Hence including these
5373 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will
5374 (obviously) result in unworkable XS code, but allows simple probing code
5375 to continue to work, because it permits tests to include the perl headers
5376 for definitions without creating a link dependency on the perl library
5377 (which may not exist yet).
5380 # include "inline.h"
5383 #include "overload.h"
5392 CV* table[NofAMmeth];
5394 struct am_table_short {
5400 typedef struct am_table AMT;
5401 typedef struct am_table_short AMTS;
5403 #define AMGfallNEVER 1
5405 #define AMGfallYES 3
5407 #define AMTf_AMAGIC 1
5408 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5409 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5410 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5412 #define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
5415 * some compilers like to redefine cos et alia as faster
5416 * (and less accurate?) versions called F_cos et cetera (Quidquid
5417 * latine dictum sit, altum viditur.) This trick collides with
5418 * the Perl overloading (amg). The following #defines fool both.
5423 # define F_atan2_amg atan2_amg
5426 # define F_cos_amg cos_amg
5429 # define F_exp_amg exp_amg
5432 # define F_log_amg log_amg
5435 # define F_pow_amg pow_amg
5438 # define F_sin_amg sin_amg
5441 # define F_sqrt_amg sqrt_amg
5443 #endif /* _FASTMATH */
5445 #define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5446 PERLDBf_NOOPT | PERLDBf_INTER | \
5447 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
5448 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5450 /* No _NONAME, _GOTO */
5451 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5452 #define PERLDBf_LINE 0x02 /* Keep line # */
5453 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5454 #define PERLDBf_INTER 0x08 /* Preserve more data for
5455 later inspections */
5456 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5457 #define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5458 #define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5459 #define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5460 #define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5461 #define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
5462 #define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
5463 #define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
5464 #define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
5466 #define PERLDB_SUB (PL_perldb & PERLDBf_SUB)
5467 #define PERLDB_LINE (PL_perldb & PERLDBf_LINE)
5468 #define PERLDB_NOOPT (PL_perldb & PERLDBf_NOOPT)
5469 #define PERLDB_INTER (PL_perldb & PERLDBf_INTER)
5470 #define PERLDB_SUBLINE (PL_perldb & PERLDBf_SUBLINE)
5471 #define PERLDB_SINGLE (PL_perldb & PERLDBf_SINGLE)
5472 #define PERLDB_SUB_NN (PL_perldb & PERLDBf_NONAME)
5473 #define PERLDB_GOTO (PL_perldb & PERLDBf_GOTO)
5474 #define PERLDB_NAMEEVAL (PL_perldb & PERLDBf_NAMEEVAL)
5475 #define PERLDB_NAMEANON (PL_perldb & PERLDBf_NAMEANON)
5476 #define PERLDB_SAVESRC (PL_perldb & PERLDBf_SAVESRC)
5477 #define PERLDB_SAVESRC_NOSUBS (PL_perldb & PERLDBf_SAVESRC_NOSUBS)
5478 #define PERLDB_SAVESRC_INVALID (PL_perldb & PERLDBf_SAVESRC_INVALID)
5480 #define PERLDB_LINE_OR_SAVESRC (PL_perldb & (PERLDBf_LINE | PERLDBf_SAVESRC))
5483 # define KEYWORD_PLUGIN_MUTEX_INIT MUTEX_INIT(&PL_keyword_plugin_mutex)
5484 # define KEYWORD_PLUGIN_MUTEX_LOCK MUTEX_LOCK(&PL_keyword_plugin_mutex)
5485 # define KEYWORD_PLUGIN_MUTEX_UNLOCK MUTEX_UNLOCK(&PL_keyword_plugin_mutex)
5486 # define KEYWORD_PLUGIN_MUTEX_TERM MUTEX_DESTROY(&PL_keyword_plugin_mutex)
5488 # define KEYWORD_PLUGIN_MUTEX_INIT NOOP
5489 # define KEYWORD_PLUGIN_MUTEX_LOCK NOOP
5490 # define KEYWORD_PLUGIN_MUTEX_UNLOCK NOOP
5491 # define KEYWORD_PLUGIN_MUTEX_TERM NOOP
5495 /* These locale things are all subject to change */
5498 # if defined(HAS_NEWLOCALE) \
5499 && defined(LC_ALL_MASK) \
5500 && defined(HAS_FREELOCALE) \
5501 && defined(HAS_USELOCALE) \
5502 && ! defined(NO_POSIX_2008_LOCALE)
5504 /* The code is written for simplicity to assume that any platform advanced
5505 * enough to have the Posix 2008 locale functions has LC_ALL. The test
5506 * above makes sure that assumption is valid */
5508 # define HAS_POSIX_2008_LOCALE
5511 /* We create a C locale object unconditionally if we have the functions to do
5512 * so; hence must destroy it unconditionally at the end */
5513 # ifndef HAS_POSIX_2008_LOCALE
5514 # define _LOCALE_TERM_POSIX_2008 NOOP
5516 # define _LOCALE_TERM_POSIX_2008 \
5518 if (PL_C_locale_obj) { \
5519 /* Make sure we aren't using the locale \
5520 * space we are about to free */ \
5521 uselocale(LC_GLOBAL_LOCALE); \
5522 freelocale(PL_C_locale_obj); \
5523 PL_C_locale_obj = (locale_t) NULL; \
5528 # ifndef USE_ITHREADS
5529 # define LOCALE_INIT
5530 # define LOCALE_LOCK
5531 # define LOCALE_UNLOCK
5532 # define LOCALE_TERM STMT_START { _LOCALE_TERM_POSIX_2008; } STMT_END
5533 # else /* Below is do use threads */
5534 # define LOCALE_INIT MUTEX_INIT(&PL_locale_mutex)
5535 # define LOCALE_LOCK MUTEX_LOCK(&PL_locale_mutex)
5536 # define LOCALE_UNLOCK MUTEX_UNLOCK(&PL_locale_mutex)
5537 # define LOCALE_TERM \
5539 MUTEX_DESTROY(&PL_locale_mutex); \
5540 _LOCALE_TERM_POSIX_2008; \
5542 # ifdef HAS_POSIX_2008_LOCALE
5543 # define USE_POSIX_2008_LOCALE
5544 # define USE_THREAD_SAFE_LOCALE
5548 /* Returns TRUE if the plain locale pragma without a parameter is in effect
5550 # define IN_LOCALE_RUNTIME (PL_curcop \
5551 && CopHINTS_get(PL_curcop) & HINT_LOCALE)
5553 /* Returns TRUE if either form of the locale pragma is in effect */
5554 # define IN_SOME_LOCALE_FORM_RUNTIME \
5555 cBOOL(CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
5557 # define IN_LOCALE_COMPILETIME cBOOL(PL_hints & HINT_LOCALE)
5558 # define IN_SOME_LOCALE_FORM_COMPILETIME \
5559 cBOOL(PL_hints & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
5561 # define IN_LOCALE \
5562 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
5563 # define IN_SOME_LOCALE_FORM \
5564 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5565 : IN_SOME_LOCALE_FORM_RUNTIME)
5567 # define IN_LC_ALL_COMPILETIME IN_LOCALE_COMPILETIME
5568 # define IN_LC_ALL_RUNTIME IN_LOCALE_RUNTIME
5570 # define IN_LC_PARTIAL_COMPILETIME cBOOL(PL_hints & HINT_LOCALE_PARTIAL)
5571 # define IN_LC_PARTIAL_RUNTIME \
5572 (PL_curcop && CopHINTS_get(PL_curcop) & HINT_LOCALE_PARTIAL)
5574 # define IN_LC_COMPILETIME(category) \
5575 (IN_LC_ALL_COMPILETIME || (IN_LC_PARTIAL_COMPILETIME \
5576 && Perl__is_in_locale_category(aTHX_ TRUE, (category))))
5577 # define IN_LC_RUNTIME(category) \
5578 (IN_LC_ALL_RUNTIME || (IN_LC_PARTIAL_RUNTIME \
5579 && Perl__is_in_locale_category(aTHX_ FALSE, (category))))
5580 # define IN_LC(category) \
5581 (IN_LC_COMPILETIME(category) || IN_LC_RUNTIME(category))
5583 # if defined (PERL_CORE) || defined (PERL_IN_XSUB_RE)
5585 /* This internal macro should be called from places that operate under
5586 * locale rules. It there is a problem with the current locale that
5587 * hasn't been raised yet, it will output a warning this time. Because
5588 * this will so rarely be true, there is no point to optimize for
5589 * time; instead it makes sense to minimize space used and do all the
5590 * work in the rarely called function */
5591 # ifdef USE_LOCALE_CTYPE
5592 # define _CHECK_AND_WARN_PROBLEMATIC_LOCALE \
5594 if (UNLIKELY(PL_warn_locale)) { \
5595 Perl__warn_problematic_locale(); \
5599 # define _CHECK_AND_WARN_PROBLEMATIC_LOCALE
5603 /* These two internal macros are called when a warning should be raised,
5604 * and will do so if enabled. The first takes a single code point
5605 * argument; the 2nd, is a pointer to the first byte of the UTF-8 encoded
5606 * string, and an end position which it won't try to read past */
5607 # define _CHECK_AND_OUTPUT_WIDE_LOCALE_CP_MSG(cp) \
5609 if (! PL_in_utf8_CTYPE_locale && ckWARN(WARN_LOCALE)) { \
5610 Perl_warner(aTHX_ packWARN(WARN_LOCALE), \
5611 "Wide character (U+%" UVXf ") in %s",\
5612 (UV) cp, OP_DESC(PL_op)); \
5616 # define _CHECK_AND_OUTPUT_WIDE_LOCALE_UTF8_MSG(s, send) \
5617 STMT_START { /* Check if to warn before doing the conversion work */\
5618 if (! PL_in_utf8_CTYPE_locale && ckWARN(WARN_LOCALE)) { \
5619 UV cp = utf8_to_uvchr_buf((U8 *) s, (U8 *) send, NULL); \
5620 Perl_warner(aTHX_ packWARN(WARN_LOCALE), \
5621 "Wide character (U+%" UVXf ") in %s", \
5623 ? UNICODE_REPLACEMENT \
5629 # endif /* PERL_CORE or PERL_IN_XSUB_RE */
5630 #else /* No locale usage */
5631 # define LOCALE_INIT
5632 # define LOCALE_TERM
5633 # define LOCALE_LOCK
5634 # define LOCALE_UNLOCK
5635 # define IN_LOCALE_RUNTIME 0
5636 # define IN_SOME_LOCALE_FORM_RUNTIME 0
5637 # define IN_LOCALE_COMPILETIME 0
5638 # define IN_SOME_LOCALE_FORM_COMPILETIME 0
5639 # define IN_LOCALE 0
5640 # define IN_SOME_LOCALE_FORM 0
5641 # define IN_LC_ALL_COMPILETIME 0
5642 # define IN_LC_ALL_RUNTIME 0
5643 # define IN_LC_PARTIAL_COMPILETIME 0
5644 # define IN_LC_PARTIAL_RUNTIME 0
5645 # define IN_LC_COMPILETIME(category) 0
5646 # define IN_LC_RUNTIME(category) 0
5647 # define IN_LC(category) 0
5649 # define _CHECK_AND_WARN_PROBLEMATIC_LOCALE
5650 # define _CHECK_AND_OUTPUT_WIDE_LOCALE_CP_MSG(a)
5651 # define _CHECK_AND_OUTPUT_WIDE_LOCALE_UTF8_MSG(a,b)
5654 #ifdef USE_LOCALE_NUMERIC
5656 /* These macros are for toggling between the underlying locale (UNDERLYING or
5657 * LOCAL) and the C locale (STANDARD).
5659 =head1 Locale-related functions and macros
5661 =for apidoc Amn|void|DECLARATION_FOR_LC_NUMERIC_MANIPULATION
5663 This macro should be used as a statement. It declares a private variable
5664 (whose name begins with an underscore) that is needed by the other macros in
5665 this section. Failing to include this correctly should lead to a syntax error.
5666 For compatibility with C89 C compilers it should be placed in a block before
5667 any executable statements.
5669 =for apidoc Am|void|STORE_LC_NUMERIC_FORCE_TO_UNDERLYING
5671 This is used by XS code that that is C<LC_NUMERIC> locale-aware to force the
5672 locale for category C<LC_NUMERIC> to be what perl thinks is the current
5673 underlying locale. (The perl interpreter could be wrong about what the
5674 underlying locale actually is if some C or XS code has called the C library
5675 function L<setlocale(3)> behind its back; calling L</sync_locale> before calling
5676 this macro will update perl's records.)
5678 A call to L</DECLARATION_FOR_LC_NUMERIC_MANIPULATION> must have been made to
5679 declare at compile time a private variable used by this macro. This macro
5680 should be called as a single statement, not an expression, but with an empty
5681 argument list, like this:
5684 DECLARATION_FOR_LC_NUMERIC_MANIPULATION;
5686 STORE_LC_NUMERIC_FORCE_TO_UNDERLYING();
5688 RESTORE_LC_NUMERIC();
5692 The private variable is used to save the current locale state, so
5693 that the requisite matching call to L</RESTORE_LC_NUMERIC> can restore it.
5695 =for apidoc Am|void|STORE_LC_NUMERIC_SET_TO_NEEDED
5697 This is used to help wrap XS or C code that that is C<LC_NUMERIC> locale-aware.
5698 This locale category is generally kept set to the C locale by Perl for
5699 backwards compatibility, and because most XS code that reads floating point
5700 values can cope only with the decimal radix character being a dot.
5702 This macro makes sure the current C<LC_NUMERIC> state is set properly, to be
5703 aware of locale if the call to the XS or C code from the Perl program is
5704 from within the scope of a S<C<use locale>>; or to ignore locale if the call is
5705 instead from outside such scope.
5707 This macro is the start of wrapping the C or XS code; the wrap ending is done
5708 by calling the L</RESTORE_LC_NUMERIC> macro after the operation. Otherwise
5709 the state can be changed that will adversely affect other XS code.
5711 A call to L</DECLARATION_FOR_LC_NUMERIC_MANIPULATION> must have been made to
5712 declare at compile time a private variable used by this macro. This macro
5713 should be called as a single statement, not an expression, but with an empty
5714 argument list, like this:
5717 DECLARATION_FOR_LC_NUMERIC_MANIPULATION;
5719 STORE_LC_NUMERIC_SET_TO_NEEDED();
5721 RESTORE_LC_NUMERIC();
5725 =for apidoc Am|void|RESTORE_LC_NUMERIC
5727 This is used in conjunction with one of the macros
5728 L</STORE_LC_NUMERIC_SET_TO_NEEDED>
5730 L</STORE_LC_NUMERIC_FORCE_TO_UNDERLYING>
5732 to properly restore the C<LC_NUMERIC> state.
5734 A call to L</DECLARATION_FOR_LC_NUMERIC_MANIPULATION> must have been made to
5735 declare at compile time a private variable used by this macro and the two
5736 C<STORE> ones. This macro should be called as a single statement, not an
5737 expression, but with an empty argument list, like this:
5740 DECLARATION_FOR_LC_NUMERIC_MANIPULATION;
5742 RESTORE_LC_NUMERIC();
5750 # define _NOT_IN_NUMERIC_STANDARD (! PL_numeric_standard)
5752 /* We can lock the category to stay in the C locale, making requests to the
5753 * contrary be noops, in the dynamic scope by setting PL_numeric_standard to 2.
5755 # define _NOT_IN_NUMERIC_UNDERLYING \
5756 (! PL_numeric_underlying && PL_numeric_standard < 2)
5758 # define DECLARATION_FOR_LC_NUMERIC_MANIPULATION \
5759 void (*_restore_LC_NUMERIC_function)(pTHX) = NULL
5761 # define STORE_LC_NUMERIC_SET_TO_NEEDED() \
5762 if (IN_LC(LC_NUMERIC)) { \
5763 if (_NOT_IN_NUMERIC_UNDERLYING) { \
5764 Perl_set_numeric_underlying(aTHX); \
5765 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
5769 if (_NOT_IN_NUMERIC_STANDARD) { \
5770 SET_NUMERIC_STANDARD(); \
5771 _restore_LC_NUMERIC_function = &Perl_set_numeric_underlying; \
5775 # define RESTORE_LC_NUMERIC() \
5776 if (_restore_LC_NUMERIC_function) { \
5777 _restore_LC_NUMERIC_function(aTHX); \
5780 /* The next two macros set unconditionally. These should be rarely used, and
5781 * only after being sure that this is what is needed */
5782 # define SET_NUMERIC_STANDARD() \
5783 STMT_START { if (_NOT_IN_NUMERIC_STANDARD) \
5784 Perl_set_numeric_standard(aTHX); \
5787 # define SET_NUMERIC_UNDERLYING() \
5788 STMT_START { if (_NOT_IN_NUMERIC_UNDERLYING) \
5789 Perl_set_numeric_underlying(aTHX); } STMT_END
5791 /* The rest of these LC_NUMERIC macros toggle to one or the other state, with
5792 * the RESTORE_foo ones called to switch back, but only if need be */
5793 # define STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD() \
5794 bool _was_underlying = _NOT_IN_NUMERIC_STANDARD; \
5795 if (_was_underlying) Perl_set_numeric_standard(aTHX);
5797 /* Doesn't change to underlying locale unless within the scope of some form of
5798 * 'use locale'. This is the usual desired behavior. */
5799 # define STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING() \
5800 bool _was_standard = _NOT_IN_NUMERIC_UNDERLYING \
5801 && IN_LC(LC_NUMERIC); \
5802 if (_was_standard) Perl_set_numeric_underlying(aTHX);
5804 /* Rarely, we want to change to the underlying locale even outside of 'use
5805 * locale'. This is principally in the POSIX:: functions */
5806 # define STORE_LC_NUMERIC_FORCE_TO_UNDERLYING() \
5807 if (_NOT_IN_NUMERIC_UNDERLYING) { \
5808 Perl_set_numeric_underlying(aTHX); \
5809 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
5812 /* Lock/unlock to the C locale until unlock is called. This needs to be
5813 * recursively callable. [perl #128207] */
5814 # define LOCK_LC_NUMERIC_STANDARD() \
5815 (__ASSERT_(PL_numeric_standard) \
5816 PL_numeric_standard++)
5817 # define UNLOCK_LC_NUMERIC_STANDARD() \
5819 if (PL_numeric_standard > 1) { \
5820 PL_numeric_standard--; \
5827 # define RESTORE_LC_NUMERIC_UNDERLYING() \
5828 if (_was_underlying) Perl_set_numeric_underlying(aTHX);
5830 # define RESTORE_LC_NUMERIC_STANDARD() \
5831 if (_restore_LC_NUMERIC_function) { \
5832 _restore_LC_NUMERIC_function(aTHX); \
5835 #else /* !USE_LOCALE_NUMERIC */
5837 # define SET_NUMERIC_STANDARD()
5838 # define SET_NUMERIC_UNDERLYING()
5839 # define IS_NUMERIC_RADIX(a, b) (0)
5840 # define STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD()
5841 # define STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING()
5842 # define STORE_LC_NUMERIC_FORCE_TO_UNDERLYING()
5843 # define RESTORE_LC_NUMERIC_UNDERLYING()
5844 # define RESTORE_LC_NUMERIC_STANDARD()
5845 # define DECLARATION_FOR_LC_NUMERIC_MANIPULATION
5846 # define STORE_LC_NUMERIC_SET_TO_NEEDED()
5847 # define RESTORE_LC_NUMERIC()
5848 # define LOCK_LC_NUMERIC_STANDARD()
5849 # define UNLOCK_LC_NUMERIC_STANDARD()
5851 #endif /* !USE_LOCALE_NUMERIC */
5853 #define Atof my_atof
5855 /* Back-compat names */
5856 #define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \
5857 DECLARATION_FOR_LC_NUMERIC_MANIPULATION
5858 #define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \
5859 DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \
5860 STORE_LC_NUMERIC_SET_TO_NEEDED();
5861 #define LOCK_NUMERIC_STANDARD() LOCK_LC_NUMERIC_STANDARD()
5862 #define RESTORE_NUMERIC_LOCAL() RESTORE_LC_NUMERIC_UNDERLYING()
5863 #define RESTORE_NUMERIC_STANDARD() RESTORE_LC_NUMERIC_STANDARD()
5864 #define SET_NUMERIC_LOCAL() SET_NUMERIC_UNDERLYING()
5865 #define STORE_NUMERIC_LOCAL_SET_STANDARD() \
5866 STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD()
5867 #define STORE_NUMERIC_STANDARD_SET_LOCAL() \
5868 STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING()
5869 #define STORE_NUMERIC_STANDARD_FORCE_LOCAL() \
5870 STORE_LC_NUMERIC_FORCE_TO_UNDERLYING()
5871 #define UNLOCK_NUMERIC_STANDARD() UNLOCK_LC_NUMERIC_STANDARD()
5876 # define Perl_strtod(s, e) strtoflt128(s, e)
5877 #elif defined(HAS_LONG_DOUBLE) && defined(USE_LONG_DOUBLE)
5878 # if defined(HAS_STRTOLD)
5879 # define Perl_strtod(s, e) strtold(s, e)
5880 # elif defined(HAS_STRTOD)
5881 # define Perl_strtod(s, e) (NV)strtod(s, e) /* Unavoidable loss. */
5883 #elif defined(HAS_STRTOD)
5884 # define Perl_strtod(s, e) strtod(s, e)
5887 #if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5888 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5890 # define strtoll __strtoll /* secret handshake */
5892 # if defined(WIN64) && defined(_MSC_VER)
5893 # define strtoll _strtoi64 /* secret handshake */
5895 # if !defined(Strtol) && defined(HAS_STRTOLL)
5896 # define Strtol strtoll
5898 # if !defined(Strtol) && defined(HAS_STRTOQ)
5899 # define Strtol strtoq
5901 /* is there atoq() anywhere? */
5903 #if !defined(Strtol) && defined(HAS_STRTOL)
5904 # define Strtol strtol
5907 /* It would be more fashionable to use Strtol() to define atol()
5908 * (as is done for Atoul(), see below) but for backward compatibility
5909 * we just assume atol(). */
5910 # if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5911 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5913 # define atoll _atoi64 /* secret handshake */
5921 #if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5922 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5924 # define strtoull __strtoull /* secret handshake */
5926 # if defined(WIN64) && defined(_MSC_VER)
5927 # define strtoull _strtoui64 /* secret handshake */
5929 # if !defined(Strtoul) && defined(HAS_STRTOULL)
5930 # define Strtoul strtoull
5932 # if !defined(Strtoul) && defined(HAS_STRTOUQ)
5933 # define Strtoul strtouq
5935 /* is there atouq() anywhere? */
5937 #if !defined(Strtoul) && defined(HAS_STRTOUL)
5938 # define Strtoul strtoul
5940 #if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5941 # define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5944 # define Atoul(s) Strtoul(s, NULL, 10)
5947 #ifndef PERL_SCRIPT_MODE
5948 #define PERL_SCRIPT_MODE "r"
5951 /* not used. Kept as a NOOP for backcompat */
5952 #define PERL_STACK_OVERFLOW_CHECK() NOOP
5955 * Some nonpreemptive operating systems find it convenient to
5956 * check for asynchronous conditions after each op execution.
5957 * Keep this check simple, or it may slow down execution
5962 # ifndef PERL_ASYNC_CHECK
5963 # define PERL_ASYNC_CHECK() if (UNLIKELY(PL_sig_pending)) PL_signalhook(aTHX)
5967 #ifndef PERL_ASYNC_CHECK
5968 # define PERL_ASYNC_CHECK() NOOP
5972 * On some operating systems, a memory allocation may succeed,
5973 * but put the process too close to the system's comfort limit.
5974 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5977 #ifndef PERL_ALLOC_CHECK
5978 #define PERL_ALLOC_CHECK(p) NOOP
5982 # include <sys/ipc.h>
5983 # include <sys/sem.h>
5984 # ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5987 struct semid_ds *buf;
5988 unsigned short *array;
5991 # ifdef USE_SEMCTL_SEMUN
5992 # ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5993 union gccbug_semun {
5995 struct semid_ds *buf;
5996 unsigned short *array;
5999 # define semun gccbug_semun
6001 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
6002 # elif defined(USE_SEMCTL_SEMID_DS)
6003 # ifdef EXTRA_F_IN_SEMUN_BUF
6004 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
6006 # define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
6012 * Boilerplate macros for initializing and accessing interpreter-local
6013 * data from C. All statics in extensions should be reworked to use
6014 * this, if you want to make the extension thread-safe. See
6015 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
6016 * and perlxs.pod for more.
6018 * Code that uses these macros is responsible for the following:
6019 * 1. #define MY_CXT_KEY to a unique string, e.g.
6020 * "DynaLoader::_guts" XS_VERSION
6021 * XXX in the current implementation, this string is ignored.
6022 * 2. Declare a typedef named my_cxt_t that is a structure that contains
6023 * all the data that needs to be interpreter-local.
6024 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
6025 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
6026 * (typically put in the BOOT: section).
6027 * 5. Use the members of the my_cxt_t structure everywhere as
6029 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
6033 #if defined(PERL_IMPLICIT_CONTEXT)
6035 /* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
6036 * right after the definition (i.e. at file scope). The non-threads
6037 * case below uses it to declare the data as static. */
6038 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
6039 # define START_MY_CXT
6040 # define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
6041 # define MY_CXT_INIT_ARG MY_CXT_KEY
6043 # define START_MY_CXT static int my_cxt_index = -1;
6044 # define MY_CXT_INDEX my_cxt_index
6045 # define MY_CXT_INIT_ARG &my_cxt_index
6046 # endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
6048 /* Creates and zeroes the per-interpreter data.
6049 * (We allocate my_cxtp in a Perl SV so that it will be released when
6050 * the interpreter goes away.) */
6051 # define MY_CXT_INIT \
6052 my_cxt_t *my_cxtp = \
6053 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
6054 PERL_UNUSED_VAR(my_cxtp)
6055 # define MY_CXT_INIT_INTERP(my_perl) \
6056 my_cxt_t *my_cxtp = \
6057 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
6058 PERL_UNUSED_VAR(my_cxtp)
6060 /* This declaration should be used within all functions that use the
6061 * interpreter-local data. */
6063 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
6064 # define dMY_CXT_INTERP(my_perl) \
6065 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
6067 /* Clones the per-interpreter data. */
6068 # define MY_CXT_CLONE \
6069 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
6070 void * old_my_cxtp = PL_my_cxt_list[MY_CXT_INDEX]; \
6071 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp; \
6072 Copy(old_my_cxtp, my_cxtp, 1, my_cxt_t);
6076 /* This macro must be used to access members of the my_cxt_t structure.
6077 * e.g. MY_CXT.some_data */
6078 # define MY_CXT (*my_cxtp)
6080 /* Judicious use of these macros can reduce the number of times dMY_CXT
6081 * is used. Use is similar to pTHX, aTHX etc. */
6082 # define pMY_CXT my_cxt_t *my_cxtp
6083 # define pMY_CXT_ pMY_CXT,
6084 # define _pMY_CXT ,pMY_CXT
6085 # define aMY_CXT my_cxtp
6086 # define aMY_CXT_ aMY_CXT,
6087 # define _aMY_CXT ,aMY_CXT
6089 #else /* PERL_IMPLICIT_CONTEXT */
6091 # define START_MY_CXT static my_cxt_t my_cxt;
6092 # define dMY_CXT_SV dNOOP
6093 # define dMY_CXT dNOOP
6094 # define dMY_CXT_INTERP(my_perl) dNOOP
6095 # define MY_CXT_INIT NOOP
6096 # define MY_CXT_CLONE NOOP
6097 # define MY_CXT my_cxt
6099 # define pMY_CXT void
6106 #endif /* !defined(PERL_IMPLICIT_CONTEXT) */
6117 # undef FD_CLOEXEC /* a lie in AmigaOS */
6121 # include <sys/file.h>
6124 #if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
6125 int flock(int fd, int op);
6129 /* Assume UNIX defaults */
6130 # define O_RDONLY 0000
6131 # define O_WRONLY 0001
6132 # define O_RDWR 0002
6133 # define O_CREAT 0100
6144 #if O_TEXT != O_BINARY
6145 /* If you have different O_TEXT and O_BINARY and you are a CRLF shop,
6146 * that is, you are somehow DOSish. */
6147 # if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
6148 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
6149 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
6150 /* VOS has O_TEXT != O_BINARY, and they have effect,
6151 * but VOS always uses LF, never CRLF. */
6152 /* If you have O_TEXT different from your O_BINARY but you still are
6153 * not a CRLF shop. */
6154 # undef PERLIO_USING_CRLF
6156 /* If you really are DOSish. */
6157 # define PERLIO_USING_CRLF 1
6162 # include <libutil.h> /* setproctitle() in some FreeBSDs */
6165 #ifndef EXEC_ARGV_CAST
6166 #define EXEC_ARGV_CAST(x) (char **)x
6169 #define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
6170 int). value returned in pointed-
6172 #define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
6173 #define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation or infnan */
6174 #define IS_NUMBER_NEG 0x08 /* leading minus sign */
6175 #define IS_NUMBER_INFINITY 0x10 /* this is big */
6176 #define IS_NUMBER_NAN 0x20 /* this is not */
6177 #define IS_NUMBER_TRAILING 0x40 /* number has trailing trash */
6179 #define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
6182 #define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
6183 #define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
6184 #define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
6185 #define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
6186 numbers which are <= UV_MAX */
6187 #define PERL_SCAN_TRAILING 0x10 /* grok_number_flags() allow trailing
6188 and set IS_NUMBER_TRAILING */
6191 #define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
6193 /* to let user control profiling */
6194 #ifdef PERL_GPROF_CONTROL
6195 extern void moncontrol(int);
6196 #define PERL_GPROF_MONCONTROL(x) moncontrol(x)
6198 #define PERL_GPROF_MONCONTROL(x)
6205 /* ISO 6429 NEL - C1 control NExt Line */
6206 /* See http://www.unicode.org/unicode/reports/tr13/ */
6207 #define NEXT_LINE_CHAR NEXT_LINE_NATIVE
6209 #ifndef PIPESOCK_MODE
6210 # define PIPESOCK_MODE
6213 #ifndef SOCKET_OPEN_MODE
6214 # define SOCKET_OPEN_MODE PIPESOCK_MODE
6217 #ifndef PIPE_OPEN_MODE
6218 # define PIPE_OPEN_MODE PIPESOCK_MODE
6221 #define PERL_MAGIC_UTF8_CACHESIZE 2
6223 #define PERL_UNICODE_STDIN_FLAG 0x0001
6224 #define PERL_UNICODE_STDOUT_FLAG 0x0002
6225 #define PERL_UNICODE_STDERR_FLAG 0x0004
6226 #define PERL_UNICODE_IN_FLAG 0x0008
6227 #define PERL_UNICODE_OUT_FLAG 0x0010
6228 #define PERL_UNICODE_ARGV_FLAG 0x0020
6229 #define PERL_UNICODE_LOCALE_FLAG 0x0040
6230 #define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
6231 #define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
6233 #define PERL_UNICODE_STD_FLAG \
6234 (PERL_UNICODE_STDIN_FLAG | \
6235 PERL_UNICODE_STDOUT_FLAG | \
6236 PERL_UNICODE_STDERR_FLAG)
6238 #define PERL_UNICODE_INOUT_FLAG \
6239 (PERL_UNICODE_IN_FLAG | \
6240 PERL_UNICODE_OUT_FLAG)
6242 #define PERL_UNICODE_DEFAULT_FLAGS \
6243 (PERL_UNICODE_STD_FLAG | \
6244 PERL_UNICODE_INOUT_FLAG | \
6245 PERL_UNICODE_LOCALE_FLAG)
6247 #define PERL_UNICODE_ALL_FLAGS 0x01ff
6249 #define PERL_UNICODE_STDIN 'I'
6250 #define PERL_UNICODE_STDOUT 'O'
6251 #define PERL_UNICODE_STDERR 'E'
6252 #define PERL_UNICODE_STD 'S'
6253 #define PERL_UNICODE_IN 'i'
6254 #define PERL_UNICODE_OUT 'o'
6255 #define PERL_UNICODE_INOUT 'D'
6256 #define PERL_UNICODE_ARGV 'A'
6257 #define PERL_UNICODE_LOCALE 'L'
6258 #define PERL_UNICODE_WIDESYSCALLS 'W'
6259 #define PERL_UNICODE_UTF8CACHEASSERT 'a'
6261 #define PERL_SIGNALS_UNSAFE_FLAG 0x0001
6263 /* Use instead of abs() since abs() forces its argument to be an int,
6264 * but also beware since this evaluates its argument twice, so no x++. */
6265 #define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
6267 #if defined(__DECC) && defined(__osf__)
6268 #pragma message disable (mainparm) /* Perl uses the envp in main(). */
6271 #define do_open(g, n, l, a, rm, rp, sf) \
6272 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
6273 #ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
6274 # define do_exec(cmd) do_exec3(cmd,0,0)
6277 # define do_aexec Perl_do_aexec
6279 # define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
6282 /* check embedded \0 characters in pathnames passed to syscalls,
6283 but allow one ending \0 */
6284 #define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name)))
6286 #define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name))
6288 #if defined(OEMVS) || defined(__amigaos4__)
6289 #define NO_ENV_ARRAY_IN_MAIN
6292 /* These are used by Perl_pv_escape() and Perl_pv_pretty()
6293 * are here so that they are available throughout the core
6294 * NOTE that even though some are for _escape and some for _pretty
6295 * there must not be any clashes as the flags from _pretty are
6296 * passed straight through to _escape.
6299 #define PERL_PV_ESCAPE_QUOTE 0x000001
6300 #define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
6302 #define PERL_PV_PRETTY_ELLIPSES 0x000002
6303 #define PERL_PV_PRETTY_LTGT 0x000004
6304 #define PERL_PV_PRETTY_EXACTSIZE 0x000008
6306 #define PERL_PV_ESCAPE_UNI 0x000100
6307 #define PERL_PV_ESCAPE_UNI_DETECT 0x000200
6308 #define PERL_PV_ESCAPE_NONASCII 0x000400
6309 #define PERL_PV_ESCAPE_FIRSTCHAR 0x000800
6311 #define PERL_PV_ESCAPE_ALL 0x001000
6312 #define PERL_PV_ESCAPE_NOBACKSLASH 0x002000
6313 #define PERL_PV_ESCAPE_NOCLEAR 0x004000
6314 #define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
6315 #define PERL_PV_ESCAPE_RE 0x008000
6317 #define PERL_PV_ESCAPE_DWIM 0x010000
6320 /* used by pv_display in dump.c*/
6321 #define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
6322 #define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
6324 #if DOUBLEKIND == DOUBLE_IS_VAX_F_FLOAT || \
6325 DOUBLEKIND == DOUBLE_IS_VAX_D_FLOAT || \
6326 DOUBLEKIND == DOUBLE_IS_VAX_G_FLOAT
6327 # define DOUBLE_IS_VAX_FLOAT
6329 # define DOUBLE_IS_IEEE_FORMAT
6332 #if DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN || \
6333 DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN || \
6334 DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
6335 # define DOUBLE_LITTLE_ENDIAN
6338 #if DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN || \
6339 DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN || \
6340 DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
6341 # define DOUBLE_BIG_ENDIAN
6344 #if DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE || \
6345 DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE
6346 # define DOUBLE_MIX_ENDIAN
6349 /* The VAX fp formats are neither consistently little-endian nor
6350 * big-endian, and neither are they really IEEE-mixed endian like
6351 * the mixed-endian ARM IEEE formats (with swapped bytes).
6352 * Ultimately, the VAX format came from the PDP-11.
6354 * The ordering of the parts in VAX floats is quite vexing.
6355 * In the below the fraction_n are the mantissa bits.
6357 * The fraction_1 is the most significant (numbering as by DEC/Digital),
6358 * while the rightmost bit in each fraction is the least significant:
6359 * in other words, big-endian bit order within the fractions.
6361 * The fraction segments themselves would be big-endianly, except that
6362 * within 32 bit segments the less significant half comes first, the more
6363 * significant after, except that in the format H (used for long doubles)
6364 * the first fraction segment is alone, because the exponent is wider.
6365 * This means for example that both the most and the least significant
6366 * bits can be in the middle of the floats, not at either end.
6369 * http://nssdc.gsfc.nasa.gov/nssdc/formats/VAXFloatingPoint.htm
6370 * http://www.quadibloc.com/comp/cp0201.htm
6371 * http://h71000.www7.hp.com/doc/82final/6443/6443pro_028.html
6372 * (somebody at HP should be fired for the URLs)
6374 * F fraction_2:16 sign:1 exp:8 fraction_1:7
6375 * (exponent bias 128, hidden first one-bit)
6377 * D fraction_2:16 sign:1 exp:8 fraction_1:7
6378 * fraction_4:16 fraction_3:16
6379 * (exponent bias 128, hidden first one-bit)
6381 * G fraction_2:16 sign:1 exp:11 fraction_1:4
6382 * fraction_4:16 fraction_3:16
6383 * (exponent bias 1024, hidden first one-bit)
6385 * H fraction_1:16 sign:1 exp:15
6386 * fraction_3:16 fraction_2:16
6387 * fraction_5:16 fraction_4:16
6388 * fraction_7:16 fraction_6:16
6389 * (exponent bias 16384, hidden first one-bit)
6390 * (available only on VAX, and only on Fortran?)
6392 * The formats S, T and X are available on the Alpha (and Itanium,
6393 * also known as I64/IA64) and are equivalent with the IEEE-754 formats
6394 * binary32, binary64, and binary128 (commonly: float, double, long double).
6396 * S sign:1 exp:8 mantissa:23
6397 * (exponent bias 127, hidden first one-bit)
6399 * T sign:1 exp:11 mantissa:52
6400 * (exponent bias 1022, hidden first one-bit)
6402 * X sign:1 exp:15 mantissa:112
6403 * (exponent bias 16382, hidden first one-bit)
6407 #ifdef DOUBLE_IS_VAX_FLOAT
6408 # define DOUBLE_VAX_ENDIAN
6411 #ifdef DOUBLE_IS_IEEE_FORMAT
6412 /* All the basic IEEE formats have the implicit bit,
6413 * except for the x86 80-bit extended formats, which will undef this.
6414 * Also note that the IEEE 754 subnormals (formerly known as denormals)
6415 * do not have the implicit bit of one. */
6416 # define NV_IMPLICIT_BIT
6419 #if defined(LONG_DOUBLEKIND) && LONG_DOUBLEKIND != LONG_DOUBLE_IS_DOUBLE
6421 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN || \
6422 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN || \
6423 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE
6424 # define LONGDOUBLE_LITTLE_ENDIAN
6427 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN || \
6428 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN || \
6429 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE
6430 # define LONGDOUBLE_BIG_ENDIAN
6433 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE || \
6434 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE
6435 # define LONGDOUBLE_MIX_ENDIAN
6438 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN || \
6439 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN
6440 # define LONGDOUBLE_X86_80_BIT
6441 # ifdef USE_LONG_DOUBLE
6442 # undef NV_IMPLICIT_BIT
6443 # define NV_X86_80_BIT
6447 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE || \
6448 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE || \
6449 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE || \
6450 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE
6451 # define LONGDOUBLE_DOUBLEDOUBLE
6454 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_VAX_H_FLOAT
6455 # define LONGDOUBLE_VAX_ENDIAN
6458 #endif /* LONG_DOUBLEKIND */
6460 #ifdef USE_QUADMATH /* assume quadmath endianness == native double endianness */
6461 # if defined(DOUBLE_LITTLE_ENDIAN)
6462 # define NV_LITTLE_ENDIAN
6463 # elif defined(DOUBLE_BIG_ENDIAN)
6464 # define NV_BIG_ENDIAN
6465 # elif defined(DOUBLE_MIX_ENDIAN) /* stretch */
6466 # define NV_MIX_ENDIAN
6468 #elif NVSIZE == DOUBLESIZE
6469 # ifdef DOUBLE_LITTLE_ENDIAN
6470 # define NV_LITTLE_ENDIAN
6472 # ifdef DOUBLE_BIG_ENDIAN
6473 # define NV_BIG_ENDIAN
6475 # ifdef DOUBLE_MIX_ENDIAN
6476 # define NV_MIX_ENDIAN
6478 # ifdef DOUBLE_VAX_ENDIAN
6479 # define NV_VAX_ENDIAN
6481 #elif NVSIZE == LONG_DOUBLESIZE
6482 # ifdef LONGDOUBLE_LITTLE_ENDIAN
6483 # define NV_LITTLE_ENDIAN
6485 # ifdef LONGDOUBLE_BIG_ENDIAN
6486 # define NV_BIG_ENDIAN
6488 # ifdef LONGDOUBLE_MIX_ENDIAN
6489 # define NV_MIX_ENDIAN
6491 # ifdef LONGDOUBLE_VAX_ENDIAN
6492 # define NV_VAX_ENDIAN
6496 /* We have somehow managed not to define the denormal/subnormal
6499 * This may happen if the compiler doesn't expose the C99 math like
6500 * the fpclassify() without some special switches. Perl tries to
6501 * stay C89, so for example -std=c99 is not an option.
6503 * The Perl_isinf() and Perl_isnan() should have been defined even if
6504 * the C99 isinf() and isnan() are unavailable, and the NV_MIN becomes
6505 * from the C89 DBL_MIN or moral equivalent. */
6506 #if !defined(Perl_fp_class_denorm) && defined(Perl_isinf) && defined(Perl_isnan) && defined(NV_MIN)
6507 # define Perl_fp_class_denorm(x) ((x) != 0.0 && !Perl_isinf(x) && !Perl_isnan(x) && PERL_ABS(x) < NV_MIN)
6510 /* This is not a great fallback: subnormals tests will fail,
6511 * but at least Perl will link and 99.999% of tests will work. */
6512 #if !defined(Perl_fp_class_denorm)
6513 # define Perl_fp_class_denorm(x) FALSE
6516 #ifdef DOUBLE_IS_IEEE_FORMAT
6517 # define DOUBLE_HAS_INF
6518 # define DOUBLE_HAS_NAN
6521 #ifdef DOUBLE_HAS_NAN
6525 /* PL_inf and PL_nan initialization.
6527 * For inf and nan initialization the ultimate fallback is dividing
6528 * one or zero by zero: however, some compilers will warn or even fail
6529 * on divide-by-zero, but hopefully something earlier will work.
6531 * If you are thinking of using HUGE_VAL for infinity, or using
6532 * <math.h> functions to generate NV_INF (e.g. exp(1e9), log(-1.0)),
6533 * stop. Neither will work portably: HUGE_VAL can be just DBL_MAX,
6534 * and the math functions might be just generating DBL_MAX, or even zero.
6536 * Also, do NOT try doing NV_NAN based on NV_INF and trying (NV_INF-NV_INF).
6537 * Though logically correct, some compilers (like Visual C 2003)
6538 * falsely misoptimize that to zero (x-x is always zero, right?)
6540 * Finally, note that not all floating point formats define Inf (or NaN).
6541 * For the infinity a large number may be used instead. Operations that
6542 * under the IEEE floating point would return Inf or NaN may return
6543 * either large numbers (positive or negative), or they may cause
6544 * a floating point exception or some other fault.
6547 /* The quadmath literals are anon structs which -Wc++-compat doesn't like. */
6548 GCC_DIAG_IGNORE_DECL(-Wc++-compat);
6550 # ifdef USE_QUADMATH
6551 /* Cannot use HUGE_VALQ for PL_inf because not a compile-time
6553 INFNAN_NV_U8_DECL PL_inf = { 1.0Q/0.0Q };
6554 # elif NVSIZE == LONG_DOUBLESIZE && defined(LONGDBLINFBYTES)
6555 INFNAN_U8_NV_DECL PL_inf = { { LONGDBLINFBYTES } };
6556 # elif NVSIZE == DOUBLESIZE && defined(DOUBLEINFBYTES)
6557 INFNAN_U8_NV_DECL PL_inf = { { DOUBLEINFBYTES } };
6559 # if NVSIZE == LONG_DOUBLESIZE && defined(USE_LONG_DOUBLE)
6560 # if defined(LDBL_INFINITY)
6561 INFNAN_NV_U8_DECL PL_inf = { LDBL_INFINITY };
6562 # elif defined(LDBL_INF)
6563 INFNAN_NV_U8_DECL PL_inf = { LDBL_INF };
6564 # elif defined(INFINITY)
6565 INFNAN_NV_U8_DECL PL_inf = { (NV)INFINITY };
6567 INFNAN_NV_U8_DECL PL_inf = { (NV)INF };
6569 INFNAN_NV_U8_DECL PL_inf = { 1.0L/0.0L }; /* keep last */
6572 # if defined(DBL_INFINITY)
6573 INFNAN_NV_U8_DECL PL_inf = { DBL_INFINITY };
6574 # elif defined(DBL_INF)
6575 INFNAN_NV_U8_DECL PL_inf = { DBL_INF };
6576 # elif defined(INFINITY) /* C99 */
6577 INFNAN_NV_U8_DECL PL_inf = { (NV)INFINITY };
6579 INFNAN_NV_U8_DECL PL_inf = { (NV)INF };
6581 INFNAN_NV_U8_DECL PL_inf = { 1.0/0.0 }; /* keep last */
6586 # ifdef USE_QUADMATH
6587 /* Cannot use nanq("0") for PL_nan because not a compile-time
6589 INFNAN_NV_U8_DECL PL_nan = { 0.0Q/0.0Q };
6590 # elif NVSIZE == LONG_DOUBLESIZE && defined(LONGDBLNANBYTES)
6591 INFNAN_U8_NV_DECL PL_nan = { { LONGDBLNANBYTES } };
6592 # elif NVSIZE == DOUBLESIZE && defined(DOUBLENANBYTES)
6593 INFNAN_U8_NV_DECL PL_nan = { { DOUBLENANBYTES } };
6595 # if NVSIZE == LONG_DOUBLESIZE && defined(USE_LONG_DOUBLE)
6596 # if defined(LDBL_NAN)
6597 INFNAN_NV_U8_DECL PL_nan = { LDBL_NAN };
6598 # elif defined(LDBL_QNAN)
6599 INFNAN_NV_U8_DECL PL_nan = { LDBL_QNAN };
6601 INFNAN_NV_U8_DECL PL_nan = { (NV)NAN };
6603 INFNAN_NV_U8_DECL PL_nan = { 0.0L/0.0L }; /* keep last */
6606 # if defined(DBL_NAN)
6607 INFNAN_NV_U8_DECL PL_nan = { DBL_NAN };
6608 # elif defined(DBL_QNAN)
6609 INFNAN_NV_U8_DECL PL_nan = { DBL_QNAN };
6610 # elif defined(NAN) /* C99 */
6611 INFNAN_NV_U8_DECL PL_nan = { (NV)NAN };
6613 INFNAN_NV_U8_DECL PL_nan = { 0.0/0.0 }; /* keep last */
6618 GCC_DIAG_RESTORE_DECL;
6622 INFNAN_NV_U8_DECL PL_inf;
6623 INFNAN_NV_U8_DECL PL_nan;
6627 /* If you have not defined NV_INF/NV_NAN (like for example win32/win32.h),
6628 * we will define NV_INF/NV_NAN as the nv part of the global const
6629 * PL_inf/PL_nan. Note, however, that the preexisting NV_INF/NV_NAN
6630 * might not be a compile-time constant, in which case it cannot be
6631 * used to initialize PL_inf/PL_nan above. */
6633 # define NV_INF PL_inf.nv
6636 # define NV_NAN PL_nan.nv
6639 /* NaNs (not-a-numbers) can carry payload bits, in addition to
6640 * "nan-ness". Part of the payload is the quiet/signaling bit.
6641 * To back up a bit (harhar):
6643 * For IEEE 754 64-bit formats [1]:
6645 * s 000 (mantissa all-zero) zero
6646 * s 000 (mantissa non-zero) subnormals (denormals)
6647 * s 001 ... 7fe normals
6650 * For IEEE 754 128-bit formats:
6652 * s 0000 (mantissa all-zero) zero
6653 * s 0000 (mantissa non-zero) subnormals (denormals)
6654 * s 0001 ... 7ffe normals
6657 * [1] this looks like big-endian, but applies equally to little-endian.
6659 * s = Sign bit. Yes, zeros and nans can have negative sign,
6660 * the interpretation is application-specific.
6662 * q = Quietness bit, the interpretation is platform-specific.
6663 * Most platforms have the most significant bit being one
6664 * meaning quiet, but some (older mips, hppa) have the msb
6665 * being one meaning signaling. Note that the above means
6666 * that on most platforms there cannot be signaling nan with
6667 * zero payload because that is identical with infinity;
6668 * while conversely on older mips/hppa there cannot be a quiet nan
6669 * because that is identical with infinity.
6671 * Moreover, whether there is any behavioral difference
6672 * between quiet and signaling NaNs, depends on the platform.
6674 * x86 80-bit extended precision is different, the mantissa bits:
6676 * 63 62 61 30387+ pre-387 visual c
6677 * -------- ---- -------- --------
6678 * 0 0 0 invalid infinity
6679 * 0 0 1 invalid snan
6680 * 0 1 0 invalid snan
6681 * 0 1 1 invalid snan
6682 * 1 0 0 infinity snan 1.#INF
6683 * 1 0 1 snan 1.#SNAN
6684 * 1 1 0 qnan -1.#IND (x86 chooses this to negative)
6685 * 1 1 1 qnan 1.#QNAN
6687 * This means that in this format there are 61 bits available
6688 * for the nan payload.
6690 * Note that the 32-bit x86 ABI cannot do signaling nans: the x87
6691 * simply cannot preserve the bit. You can either use the 80-bit
6692 * extended precision (long double, -Duselongdouble), or use x86-64.
6694 * In all platforms, the payload bytes (and bits, some of them are
6695 * often in a partial byte) themselves can be either all zero (x86),
6696 * all one (sparc or mips), or a mixture: in IEEE 754 128-bit double
6697 * or in a double-double, the first half of the payload can follow the
6698 * native double, while in the second half the payload can be all
6699 * zeros. (Therefore the mask for payload bits is not necessarily
6700 * identical to bit complement of the NaN.) Another way of putting
6701 * this: the payload for the default NaN might not be zero.
6703 * For the x86 80-bit long doubles, the trailing bytes (the 80 bits
6704 * being 'packaged' in either 12 or 16 bytes) can be whatever random
6707 * Furthermore, the semantics of the sign bit on NaNs are platform-specific.
6708 * On normal floats, the sign bit being on means negative. But this may,
6709 * or may not, be reverted on NaNs: in other words, the default NaN might
6710 * have the sign bit on, and therefore look like negative if you look
6711 * at it at the bit level.
6713 * NaN payloads are not propagated even on copies, or in arithmetics.
6714 * They *might* be, according to some rules, on your particular
6715 * cpu/os/compiler/libraries, but no guarantees.
6717 * To summarize, on most platforms, and for 64-bit doubles
6718 * (using big-endian ordering here):
6720 * [7FF8000000000000..7FFFFFFFFFFFFFFF] quiet
6721 * [FFF8000000000000..FFFFFFFFFFFFFFFF] quiet
6722 * [7FF0000000000001..7FF7FFFFFFFFFFFF] signaling
6723 * [FFF0000000000001..FFF7FFFFFFFFFFFF] signaling
6725 * The C99 nan() is supposed to generate *quiet* NaNs.
6727 * Note the asymmetry:
6728 * The 7FF0000000000000 is positive infinity,
6729 * the FFF0000000000000 is negative infinity.
6732 /* NVMANTBITS is the number of _real_ mantissa bits in an NV.
6733 * For the standard IEEE 754 fp this number is usually one less that
6734 * *DBL_MANT_DIG because of the implicit (aka hidden) bit, which isn't
6735 * real. For the 80-bit extended precision formats (x86*), the number
6736 * of mantissa bits... depends. For normal floats, it's 64. But for
6737 * the inf/nan, it's different (zero for inf, 61 for nan).
6738 * NVMANTBITS works for normal floats. */
6740 /* We do not want to include the quiet/signaling bit. */
6741 #define NV_NAN_BITS (NVMANTBITS - 1)
6743 #if defined(USE_LONG_DOUBLE) && NVSIZE > DOUBLESIZE
6744 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
6745 # define NV_NAN_QS_BYTE_OFFSET 13
6746 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
6747 # define NV_NAN_QS_BYTE_OFFSET 2
6748 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN
6749 # define NV_NAN_QS_BYTE_OFFSET 7
6750 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN
6751 # define NV_NAN_QS_BYTE_OFFSET 2
6752 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE
6753 # define NV_NAN_QS_BYTE_OFFSET 13
6754 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE
6755 # define NV_NAN_QS_BYTE_OFFSET 1
6756 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE
6757 # define NV_NAN_QS_BYTE_OFFSET 9
6758 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE
6759 # define NV_NAN_QS_BYTE_OFFSET 6
6761 # error "Unexpected long double format"
6764 # ifdef USE_QUADMATH
6765 # ifdef NV_LITTLE_ENDIAN
6766 # define NV_NAN_QS_BYTE_OFFSET 13
6767 # elif defined(NV_BIG_ENDIAN)
6768 # define NV_NAN_QS_BYTE_OFFSET 2
6770 # error "Unexpected quadmath format"
6772 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN
6773 # define NV_NAN_QS_BYTE_OFFSET 2
6774 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN
6775 # define NV_NAN_QS_BYTE_OFFSET 1
6776 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN
6777 # define NV_NAN_QS_BYTE_OFFSET 6
6778 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN
6779 # define NV_NAN_QS_BYTE_OFFSET 1
6780 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
6781 # define NV_NAN_QS_BYTE_OFFSET 13
6782 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
6783 # define NV_NAN_QS_BYTE_OFFSET 2
6784 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE
6785 # define NV_NAN_QS_BYTE_OFFSET 2 /* bytes 4 5 6 7 0 1 2 3 (MSB 7) */
6786 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE
6787 # define NV_NAN_QS_BYTE_OFFSET 5 /* bytes 3 2 1 0 7 6 5 4 (MSB 7) */
6789 /* For example the VAX formats should never
6790 * get here because they do not have NaN. */
6791 # error "Unexpected double format"
6794 /* NV_NAN_QS_BYTE is the byte to test for the quiet/signaling */
6795 #define NV_NAN_QS_BYTE(nvp) (((U8*)(nvp))[NV_NAN_QS_BYTE_OFFSET])
6796 /* NV_NAN_QS_BIT is the bit to test in the NV_NAN_QS_BYTE_OFFSET
6797 * for the quiet/signaling */
6798 #if defined(USE_LONG_DOUBLE) && \
6799 (LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN || \
6800 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN)
6801 # define NV_NAN_QS_BIT_SHIFT 6 /* 0x40 */
6802 #elif defined(USE_LONG_DOUBLE) && \
6803 (LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE || \
6804 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE || \
6805 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE || \
6806 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE)
6807 # define NV_NAN_QS_BIT_SHIFT 3 /* 0x08, but not via NV_NAN_BITS */
6809 # define NV_NAN_QS_BIT_SHIFT ((NV_NAN_BITS) % 8) /* usually 3, or 0x08 */
6811 #define NV_NAN_QS_BIT (1 << (NV_NAN_QS_BIT_SHIFT))
6812 /* NV_NAN_QS_BIT_OFFSET is the bit offset from the beginning of a NV
6813 * (bytes ordered big-endianly) for the quiet/signaling bit
6814 * for the quiet/signaling */
6815 #define NV_NAN_QS_BIT_OFFSET \
6816 (8 * (NV_NAN_QS_BYTE_OFFSET) + (NV_NAN_QS_BIT_SHIFT))
6817 /* NV_NAN_QS_QUIET (always defined) is true if the NV_NAN_QS_QS_BIT being
6818 * on indicates quiet NaN. NV_NAN_QS_SIGNALING (also always defined)
6819 * is true if the NV_NAN_QS_BIT being on indicates signaling NaN. */
6820 #define NV_NAN_QS_QUIET \
6821 ((NV_NAN_QS_BYTE(PL_nan.u8) & NV_NAN_QS_BIT) == NV_NAN_QS_BIT)
6822 #define NV_NAN_QS_SIGNALING (!(NV_NAN_QS_QUIET))
6823 #define NV_NAN_QS_TEST(nvp) (NV_NAN_QS_BYTE(nvp) & NV_NAN_QS_BIT)
6824 /* NV_NAN_IS_QUIET() returns true if the NV behind nvp is a NaN,
6825 * whether it is a quiet NaN, NV_NAN_IS_SIGNALING() if a signaling NaN.
6826 * Note however that these do not check whether the nvp is a NaN. */
6827 #define NV_NAN_IS_QUIET(nvp) \
6828 (NV_NAN_QS_TEST(nvp) == (NV_NAN_QS_QUIET ? NV_NAN_QS_BIT : 0))
6829 #define NV_NAN_IS_SIGNALING(nvp) \
6830 (NV_NAN_QS_TEST(nvp) == (NV_NAN_QS_QUIET ? 0 : NV_NAN_QS_BIT))
6831 #define NV_NAN_SET_QUIET(nvp) \
6832 (NV_NAN_QS_QUIET ? \
6833 (NV_NAN_QS_BYTE(nvp) |= NV_NAN_QS_BIT) : \
6834 (NV_NAN_QS_BYTE(nvp) &= ~NV_NAN_QS_BIT))
6835 #define NV_NAN_SET_SIGNALING(nvp) \
6836 (NV_NAN_QS_QUIET ? \
6837 (NV_NAN_QS_BYTE(nvp) &= ~NV_NAN_QS_BIT) : \
6838 (NV_NAN_QS_BYTE(nvp) |= NV_NAN_QS_BIT))
6839 #define NV_NAN_QS_XOR(nvp) (NV_NAN_QS_BYTE(nvp) ^= NV_NAN_QS_BIT)
6841 /* NV_NAN_PAYLOAD_MASK: masking the nan payload bits.
6843 * NV_NAN_PAYLOAD_PERM: permuting the nan payload bytes.
6844 * 0xFF means "don't go here".*/
6846 /* Shorthands to avoid typoses. */
6847 #define NV_NAN_PAYLOAD_MASK_SKIP_EIGHT \
6848 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0
6849 #define NV_NAN_PAYLOAD_PERM_SKIP_EIGHT \
6850 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6851 #define NV_NAN_PAYLOAD_PERM_0_TO_7 \
6852 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7
6853 #define NV_NAN_PAYLOAD_PERM_7_TO_0 \
6854 0x7, 0x6, 0x5, 0x4, 0x3, 0x2, 0x1, 0x0
6855 #define NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE \
6856 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
6857 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, 0x00, 0x00
6858 #define NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE \
6859 NV_NAN_PAYLOAD_PERM_0_TO_7, \
6860 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xFF, 0xFF
6861 #define NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE \
6862 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, \
6863 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6864 #define NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE \
6865 0xFF, 0xFF, 0xd, 0xc, 0xb, 0xa, 0x9, 0x8, \
6866 NV_NAN_PAYLOAD_PERM_7_TO_0
6867 #define NV_NAN_PAYLOAD_MASK_IEEE_754_64_LE \
6868 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x00
6869 #define NV_NAN_PAYLOAD_PERM_IEEE_754_64_LE \
6870 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0xFF
6871 #define NV_NAN_PAYLOAD_MASK_IEEE_754_64_BE \
6872 0x00, 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6873 #define NV_NAN_PAYLOAD_PERM_IEEE_754_64_BE \
6874 0xFF, 0x6, 0x5, 0x4, 0x3, 0x2, 0x1, 0x0
6876 #if defined(USE_LONG_DOUBLE) && NVSIZE > DOUBLESIZE
6877 # if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
6878 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE
6879 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE
6880 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
6881 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE
6882 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE
6883 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN
6884 # if LONG_DOUBLESIZE == 10
6885 # define NV_NAN_PAYLOAD_MASK \
6886 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, \
6888 # define NV_NAN_PAYLOAD_PERM \
6889 NV_NAN_PAYLOAD_PERM_0_TO_7, 0xFF, 0xFF
6890 # elif LONG_DOUBLESIZE == 12
6891 # define NV_NAN_PAYLOAD_MASK \
6892 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, \
6893 0x00, 0x00, 0x00, 0x00
6894 # define NV_NAN_PAYLOAD_PERM \
6895 NV_NAN_PAYLOAD_PERM_0_TO_7, 0xFF, 0xFF, 0xFF, 0xFF
6896 # elif LONG_DOUBLESIZE == 16
6897 # define NV_NAN_PAYLOAD_MASK \
6898 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, \
6899 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
6900 # define NV_NAN_PAYLOAD_PERM \
6901 NV_NAN_PAYLOAD_PERM_0_TO_7, \
6902 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
6904 # error "Unexpected x86 80-bit little-endian long double format"
6906 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN
6907 # if LONG_DOUBLESIZE == 10
6908 # define NV_NAN_PAYLOAD_MASK \
6909 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, \
6911 # define NV_NAN_PAYLOAD_PERM \
6912 NV_NAN_PAYLOAD_PERM_7_TO_0, 0xFF, 0xFF
6913 # elif LONG_DOUBLESIZE == 12
6914 # define NV_NAN_PAYLOAD_MASK \
6915 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, \
6916 0xff, 0xff, 0x00, 0x00
6917 # define NV_NAN_PAYLOAD_PERM \
6918 NV_NAN_PAYLOAD_PERM_7_TO_0, 0xFF, 0xFF, 0xFF, 0xFF
6919 # elif LONG_DOUBLESIZE == 16
6920 # define NV_NAN_PAYLOAD_MASK \
6921 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, \
6922 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
6923 # define NV_NAN_PAYLOAD_PERM \
6924 NV_NAN_PAYLOAD_PERM_7_TO_0, \
6925 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
6927 # error "Unexpected x86 80-bit big-endian long double format"
6929 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_LE
6930 /* For double-double we assume only the first double (in LE or BE terms)
6931 * is used for NaN. */
6932 # define NV_NAN_PAYLOAD_MASK \
6933 NV_NAN_PAYLOAD_MASK_SKIP_EIGHT, NV_NAN_PAYLOAD_MASK_IEEE_754_64_LE
6934 # define NV_NAN_PAYLOAD_PERM \
6935 NV_NAN_PAYLOAD_PERM_SKIP_EIGHT, NV_NAN_PAYLOAD_PERM_IEEE_754_64_LE
6936 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_BE
6937 # define NV_NAN_PAYLOAD_MASK \
6938 NV_NAN_PAYLOAD_MASK_IEEE_754_64_BE
6939 # define NV_NAN_PAYLOAD_PERM \
6940 NV_NAN_PAYLOAD_PERM_IEEE_754_64_BE
6941 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LE_BE
6942 # define NV_NAN_PAYLOAD_MASK \
6943 NV_NAN_PAYLOAD_MASK_IEEE_754_64_LE
6944 # define NV_NAN_PAYLOAD_PERM \
6945 NV_NAN_PAYLOAD_PERM_IEEE_754_64_LE
6946 # elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BE_LE
6947 # define NV_NAN_PAYLOAD_MASK \
6948 NV_NAN_PAYLOAD_MASK_SKIP_EIGHT, NV_NAN_PAYLOAD_MASK_IEEE_754_64_BE
6949 # define NV_NAN_PAYLOAD_PERM \
6950 NV_NAN_PAYLOAD_PERM_SKIP_EIGHT, NV_NAN_PAYLOAD_PERM_IEEE_754_64_BE
6952 # error "Unexpected long double format"
6955 # ifdef USE_QUADMATH /* quadmath is not long double */
6956 # ifdef NV_LITTLE_ENDIAN
6957 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE
6958 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE
6959 # elif defined(NV_BIG_ENDIAN)
6960 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE
6961 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE
6963 # error "Unexpected quadmath format"
6965 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN
6966 # define NV_NAN_PAYLOAD_MASK 0xff, 0xff, 0x07, 0x00
6967 # define NV_NAN_PAYLOAD_PERM 0x0, 0x1, 0x2, 0xFF
6968 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN
6969 # define NV_NAN_PAYLOAD_MASK 0x00, 0x07, 0xff, 0xff
6970 # define NV_NAN_PAYLOAD_PERM 0xFF, 0x2, 0x1, 0x0
6971 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN
6972 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_64_LE
6973 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_64_LE
6974 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN
6975 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_64_BE
6976 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_64_BE
6977 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
6978 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE
6979 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE
6980 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
6981 # define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE
6982 # define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE
6983 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE
6984 # define NV_NAN_PAYLOAD_MASK 0xff, 0xff, 0x07, 0x00, 0xff, 0xff, 0xff, 0xff
6985 # define NV_NAN_PAYLOAD_PERM 0x4, 0x5, 0x6, 0xFF, 0x0, 0x1, 0x2, 0x3
6986 # elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE
6987 # define NV_NAN_PAYLOAD_MASK 0xff, 0xff, 0xff, 0xff, 0x00, 0x07, 0xff, 0xff
6988 # define NV_NAN_PAYLOAD_PERM 0x3, 0x2, 0x1, 0x0, 0xFF, 0x6, 0x5, 0x4
6990 # error "Unexpected double format"
6994 #endif /* DOUBLE_HAS_NAN */
6999 (KEEP THIS LAST IN perl.h!)
7041 so that Configure picks them up.
7043 (KEEP THIS LAST IN perl.h!)
7047 #endif /* Include guard */
7050 * ex: set ts=8 sts=4 sw=4 et: