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1/* perl.h
2 *
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
5 *
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.
8 *
9 */
10
11#ifndef H_PERL
12#define H_PERL 1
13
14#ifdef PERL_FOR_X2P
15/*
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.
19 */
20#undef MULTIPLICITY
21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
32#define VOIDUSED 1
33
34#ifdef PERL_MICRO
35# include "uconfig.h"
36#else
37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
42#endif
43
44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
51#ifdef USE_ITHREADS
52# if !defined(MULTIPLICITY)
53# define MULTIPLICITY
54# endif
55#endif
56
57#ifdef PERL_GLOBAL_STRUCT_PRIVATE
58# ifndef PERL_GLOBAL_STRUCT
59# define PERL_GLOBAL_STRUCT
60# endif
61#endif
62
63#ifdef PERL_GLOBAL_STRUCT
64# ifndef MULTIPLICITY
65# define MULTIPLICITY
66# endif
67#endif
68
69#ifdef MULTIPLICITY
70# ifndef PERL_IMPLICIT_CONTEXT
71# define PERL_IMPLICIT_CONTEXT
72# endif
73#endif
74
75/* undef WIN32 when building on Cygwin (for libwin32) - gph */
76#ifdef __CYGWIN__
77# undef WIN32
78# undef _WIN32
79#endif
80
81#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
82# ifndef SYMBIAN
83# define SYMBIAN
84# endif
85#endif
86
87#ifdef __SYMBIAN32__
88# include "symbian/symbian_proto.h"
89#endif
90
91/* Any stack-challenged places. The limit varies (and often
92 * is configurable), but using more than a kilobyte of stack
93 * is usually dubious in these systems. */
94#if defined(__SYMBIAN32__)
95/* Symbian: need to work around the SDK features. *
96 * On WINS: MS VC5 generates calls to _chkstk, *
97 * if a "large" stack frame is allocated. *
98 * gcc on MARM does not generate calls like these. */
99# define USE_HEAP_INSTEAD_OF_STACK
100#endif
101
102#/* Use the reentrant APIs like localtime_r and getpwent_r */
103/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
104#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
105# define USE_REENTRANT_API
106#endif
107
108/* <--- here ends the logic shared by perl.h and makedef.pl */
109
110/*
111 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
112 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
113 * __bsdi__ for BSD/OS
114 */
115#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
116# ifndef BSDish
117# define BSDish
118# endif
119#endif
120
121#undef START_EXTERN_C
122#undef END_EXTERN_C
123#undef EXTERN_C
124#ifdef __cplusplus
125# define START_EXTERN_C extern "C" {
126# define END_EXTERN_C }
127# define EXTERN_C extern "C"
128#else
129# define START_EXTERN_C
130# define END_EXTERN_C
131# define EXTERN_C extern
132#endif
133
134/* Fallback definitions in case we don't have definitions from config.h.
135 This should only matter for systems that don't use Configure and
136 haven't been modified to define PERL_STATIC_INLINE yet.
137*/
138#if !defined(PERL_STATIC_INLINE)
139# ifdef HAS_STATIC_INLINE
140# define PERL_STATIC_INLINE static inline
141# else
142# define PERL_STATIC_INLINE static
143# endif
144#endif
145
146#ifdef PERL_GLOBAL_STRUCT
147# ifndef PERL_GET_VARS
148# ifdef PERL_GLOBAL_STRUCT_PRIVATE
149 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
150# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
151# ifndef PERLIO_FUNCS_CONST
152# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
153# endif
154# else
155# define PERL_GET_VARS() PL_VarsPtr
156# endif
157# endif
158#endif
159
160#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
161
162#ifdef PERL_GLOBAL_STRUCT
163# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
164#else
165# define dVAR dNOOP
166#endif
167
168#ifdef PERL_IMPLICIT_CONTEXT
169# ifndef MULTIPLICITY
170# define MULTIPLICITY
171# endif
172# define tTHX PerlInterpreter*
173# define pTHX register 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
178# else
179# define dTHXa(a) pTHX = (tTHX)a
180# endif
181# ifdef PERL_GLOBAL_STRUCT
182# define dTHX dVAR; pTHX = PERL_GET_THX
183# else
184# define dTHX pTHX = PERL_GET_THX
185# endif
186# define pTHX_ pTHX,
187# define aTHX_ aTHX,
188# define pTHX_1 2
189# define pTHX_2 3
190# define pTHX_3 4
191# define pTHX_4 5
192# define pTHX_5 6
193# define pTHX_6 7
194# define pTHX_7 8
195# define pTHX_8 9
196# define pTHX_9 10
197# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
198# define PERL_TRACK_MEMPOOL
199# endif
200#else
201# undef PERL_TRACK_MEMPOOL
202#endif
203
204#define STATIC static
205
206#ifndef PERL_CORE
207/* Do not use these macros. They were part of PERL_OBJECT, which was an
208 * implementation of multiplicity using C++ objects. They have been left
209 * here solely for the sake of XS code which has incorrectly
210 * cargo-culted them.
211 */
212#define CPERLscope(x) x
213#define CPERLarg void
214#define CPERLarg_
215#define _CPERLarg
216#define PERL_OBJECT_THIS
217#define _PERL_OBJECT_THIS
218#define PERL_OBJECT_THIS_
219#define CALL_FPTR(fptr) (*fptr)
220#define MEMBER_TO_FPTR(name) name
221#endif /* !PERL_CORE */
222
223#define CALLRUNOPS PL_runops
224
225#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
226
227#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
228#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
229 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
230 (strbeg),(minend),(screamer),(data),(flags))
231#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
232 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \
233 (strend),(flags),(data))
234#define CALLREG_INTUIT_STRING(prog) \
235 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
236
237#define CALLREGFREE(prog) \
238 Perl_pregfree(aTHX_ (prog))
239
240#define CALLREGFREE_PVT(prog) \
241 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
242
243#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
244 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
245
246#define CALLREG_NUMBUF_STORE(rx,paren,value) \
247 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
248
249#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
250 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
251
252#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
253 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
254
255#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
256 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
257
258#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
259 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
260
261#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
262 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
263
264#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
265 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
266
267#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
268 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
269
270#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
271 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
272
273#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
274 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
275
276#define CALLREG_NAMED_BUFF_COUNT(rx) \
277 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
278
279#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
280 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
281
282#define CALLREG_PACKAGE(rx) \
283 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
284
285#if defined(USE_ITHREADS)
286#define CALLREGDUPE(prog,param) \
287 Perl_re_dup(aTHX_ (prog),(param))
288
289#define CALLREGDUPE_PVT(prog,param) \
290 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
291 : (REGEXP *)NULL)
292#endif
293
294
295
296
297
298/*
299 * Because of backward compatibility reasons the PERL_UNUSED_DECL
300 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
301 *
302 * Note that there are C compilers such as MetroWerks CodeWarrior
303 * which do not have an "inlined" way (like the gcc __attribute__) of
304 * marking unused variables (they need e.g. a #pragma) and therefore
305 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
306 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
307 *
308 */
309
310#if defined(__SYMBIAN32__) && defined(__GNUC__)
311# ifdef __cplusplus
312# define PERL_UNUSED_DECL
313# else
314# define PERL_UNUSED_DECL __attribute__((unused))
315# endif
316#endif
317
318#ifndef PERL_UNUSED_DECL
319# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
320# define PERL_UNUSED_DECL __attribute__unused__
321# else
322# define PERL_UNUSED_DECL
323# endif
324#endif
325
326/* gcc -Wall:
327 * for silencing unused variables that are actually used most of the time,
328 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
329 */
330#ifndef PERL_UNUSED_ARG
331# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
332# include <note.h>
333# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
334# else
335# define PERL_UNUSED_ARG(x) ((void)x)
336# endif
337#endif
338#ifndef PERL_UNUSED_VAR
339# define PERL_UNUSED_VAR(x) ((void)x)
340#endif
341
342#ifdef USE_ITHREADS
343# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
344#else
345# define PERL_UNUSED_CONTEXT
346#endif
347
348#define NOOP /*EMPTY*/(void)0
349/* cea2e8a9dd23747f accidentally lost the comment originally from the first
350 check in of thread.h, explaining why we need dNOOP at all: */
351/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
352/* Declaring a *function*, instead of a variable, ensures that we don't rely
353 on being able to suppress "unused" warnings. */
354#ifdef __cplusplus
355#define dNOOP (void)0
356#else
357#define dNOOP extern int Perl___notused(void)
358#endif
359
360#ifndef pTHX
361/* Don't bother defining tTHX and sTHX; using them outside
362 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
363 */
364# define pTHX void
365# define pTHX_
366# define aTHX
367# define aTHX_
368# define aTHXa(a) NOOP
369# define dTHXa(a) dNOOP
370# define dTHX dNOOP
371# define pTHX_1 1
372# define pTHX_2 2
373# define pTHX_3 3
374# define pTHX_4 4
375# define pTHX_5 5
376# define pTHX_6 6
377# define pTHX_7 7
378# define pTHX_8 8
379# define pTHX_9 9
380#endif
381
382#ifndef dVAR
383# define dVAR dNOOP
384#endif
385
386/* these are only defined for compatibility; should not be used internally */
387#if !defined(pTHXo) && !defined(PERL_CORE)
388# define pTHXo pTHX
389# define pTHXo_ pTHX_
390# define aTHXo aTHX
391# define aTHXo_ aTHX_
392# define dTHXo dTHX
393# define dTHXoa(x) dTHXa(x)
394#endif
395
396#ifndef pTHXx
397# define pTHXx register PerlInterpreter *my_perl
398# define pTHXx_ pTHXx,
399# define aTHXx my_perl
400# define aTHXx_ aTHXx,
401# define dTHXx dTHX
402#endif
403
404/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
405 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
406 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
407#ifdef PERL_IMPLICIT_SYS
408# ifdef PERL_GLOBAL_STRUCT_PRIVATE
409# define dTHXs dVAR; dTHX
410# else
411# define dTHXs dTHX
412# endif
413#else
414# ifdef PERL_GLOBAL_STRUCT_PRIVATE
415# define dTHXs dVAR
416# else
417# define dTHXs dNOOP
418# endif
419#endif
420
421/* Some platforms require marking function declarations
422 * for them to be exportable. Used in perlio.h, proto.h
423 * is handled either by the makedef.pl or by defining the
424 * PERL_CALLCONV to be something special. See also the
425 * definition of XS() in XSUB.h. */
426#ifndef PERL_EXPORT_C
427# ifdef __cplusplus
428# define PERL_EXPORT_C extern "C"
429# else
430# define PERL_EXPORT_C extern
431# endif
432#endif
433#ifndef PERL_XS_EXPORT_C
434# ifdef __cplusplus
435# define PERL_XS_EXPORT_C extern "C"
436# else
437# define PERL_XS_EXPORT_C
438# endif
439#endif
440
441#ifdef OP_IN_REGISTER
442# ifdef __GNUC__
443# define stringify_immed(s) #s
444# define stringify(s) stringify_immed(s)
445register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
446# endif
447#endif
448
449/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
450 * g++ allows them but seems to have problems with them
451 * (insane errors ensue).
452 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
453 */
454#if defined(PERL_GCC_PEDANTIC) || \
455 (defined(__GNUC__) && defined(__cplusplus) && \
456 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
457# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
458# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
459# endif
460#endif
461
462#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
463# ifndef PERL_USE_GCC_BRACE_GROUPS
464# define PERL_USE_GCC_BRACE_GROUPS
465# endif
466#endif
467
468/*
469 * STMT_START { statements; } STMT_END;
470 * can be used as a single statement, as in
471 * if (x) STMT_START { ... } STMT_END; else ...
472 *
473 * Trying to select a version that gives no warnings...
474 */
475#if !(defined(STMT_START) && defined(STMT_END))
476# ifdef PERL_USE_GCC_BRACE_GROUPS
477# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
478# define STMT_END )
479# else
480 /* Now which other defined()s do we need here ??? */
481# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
482# define STMT_START if (1)
483# define STMT_END else (void)0
484# else
485# define STMT_START do
486# define STMT_END while (0)
487# endif
488# endif
489#endif
490
491#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
492# define BYTEORDER 0x1234
493#endif
494
495/* Overall memory policy? */
496#ifndef CONSERVATIVE
497# define LIBERAL 1
498#endif
499
500#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
501#define ASCIIish
502#else
503#undef ASCIIish
504#endif
505
506/*
507 * The following contortions are brought to you on behalf of all the
508 * standards, semi-standards, de facto standards, not-so-de-facto standards
509 * of the world, as well as all the other botches anyone ever thought of.
510 * The basic theory is that if we work hard enough here, the rest of the
511 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
512 */
513
514/* define this once if either system, instead of cluttering up the src */
515#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
516#define DOSISH 1
517#endif
518
519#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
520# define STANDARD_C 1
521#endif
522
523#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
524# define DONT_DECLARE_STD 1
525#endif
526
527#if defined(HASVOLATILE) || defined(STANDARD_C)
528# define VOL volatile
529#else
530# define VOL
531#endif
532
533/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
534 * you get a perl without taint support, but doubtlessly with a lesser
535 * degree of support. Do not do so unless you know exactly what it means
536 * technically, have a good reason to do so, and know exactly how the
537 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
538 * a potential security risk due to flat out ignoring the security-relevant
539 * taint flags. This being said, a perl without taint support compiled in
540 * has marginal run-time performance benefits.
541 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
542 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
543 * silently ignores -t/-T instead of throwing an exception.
544 *
545 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
546 * voids your nonexistent warranty!
547 */
548#if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT)
549# define NO_TAINT_SUPPORT 1
550#endif
551
552/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
553 * operations into no-ops for a very modest speed-up. Enable only if you
554 * know what you're doing: tests and CPAN modules' tests are bound to fail.
555 */
556#if NO_TAINT_SUPPORT
557# define TAINT NOOP
558# define TAINT_NOT NOOP
559# define TAINT_IF(c) NOOP
560# define TAINT_ENV() NOOP
561# define TAINT_PROPER(s) NOOP
562# define TAINT_set(s) NOOP
563# define TAINT_get 0
564# define TAINTING_get 0
565# define TAINTING_set(s) NOOP
566# define TAINT_WARN_get 0
567# define TAINT_WARN_set(s) NOOP
568#else
569# define TAINT (PL_tainted = TRUE)
570# define TAINT_NOT (PL_tainted = FALSE)
571# define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
572# define TAINT_ENV() if (PL_tainting) { taint_env(); }
573# define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
574# define TAINT_set(s) (PL_tainted = (s))
575# define TAINT_get (PL_tainted)
576# define TAINTING_get (PL_tainting)
577# define TAINTING_set(s) (PL_tainting = (s))
578# define TAINT_WARN_get (PL_taint_warn)
579# define TAINT_WARN_set(s) (PL_taint_warn = (s))
580#endif
581
582/* flags used internally only within pp_subst and pp_substcont */
583#ifdef PERL_CORE
584# define SUBST_TAINT_STR 1 /* string tainted */
585# define SUBST_TAINT_PAT 2 /* pattern tainted */
586# define SUBST_TAINT_REPL 4 /* replacement tainted */
587# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
588# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
589#endif
590
591/* XXX All process group stuff is handled in pp_sys.c. Should these
592 defines move there? If so, I could simplify this a lot. --AD 9/96.
593*/
594/* Process group stuff changed from traditional BSD to POSIX.
595 perlfunc.pod documents the traditional BSD-style syntax, so we'll
596 try to preserve that, if possible.
597*/
598#ifdef HAS_SETPGID
599# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
600#else
601# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
602# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
603# else
604# ifdef HAS_SETPGRP2 /* DG/UX */
605# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
606# endif
607# endif
608#endif
609#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
610# define HAS_SETPGRP /* Well, effectively it does . . . */
611#endif
612
613/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
614 our life easier :-) so we'll try it.
615*/
616#ifdef HAS_GETPGID
617# define BSD_GETPGRP(pid) getpgid((pid))
618#else
619# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
620# define BSD_GETPGRP(pid) getpgrp((pid))
621# else
622# ifdef HAS_GETPGRP2 /* DG/UX */
623# define BSD_GETPGRP(pid) getpgrp2((pid))
624# endif
625# endif
626#endif
627#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
628# define HAS_GETPGRP /* Well, effectively it does . . . */
629#endif
630
631/* These are not exact synonyms, since setpgrp() and getpgrp() may
632 have different behaviors, but perl.h used to define USE_BSDPGRP
633 (prior to 5.003_05) so some extension might depend on it.
634*/
635#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
636# ifndef USE_BSDPGRP
637# define USE_BSDPGRP
638# endif
639#endif
640
641/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
642 pthread.h must be included before all other header files.
643*/
644#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
645# include <pthread.h>
646#endif
647
648#ifndef _TYPES_ /* If types.h defines this it's easy. */
649# ifndef major /* Does everyone's types.h define this? */
650# include <sys/types.h>
651# endif
652#endif
653
654#ifdef __cplusplus
655# ifndef I_STDARG
656# define I_STDARG 1
657# endif
658#endif
659
660#ifdef I_STDARG
661# include <stdarg.h>
662#else
663# ifdef I_VARARGS
664# include <varargs.h>
665# endif
666#endif
667
668#ifdef USE_NEXT_CTYPE
669
670#if NX_CURRENT_COMPILER_RELEASE >= 500
671# include <bsd/ctypes.h>
672#else
673# if NX_CURRENT_COMPILER_RELEASE >= 400
674# include <objc/NXCType.h>
675# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
676# include <appkit/NXCType.h>
677# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
678#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
679
680#else /* !USE_NEXT_CTYPE */
681#include <ctype.h>
682#endif /* USE_NEXT_CTYPE */
683
684#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
685#undef METHOD
686#endif
687
688#ifdef PERL_MICRO
689# define NO_LOCALE
690#endif
691
692#ifdef I_LOCALE
693# include <locale.h>
694#endif
695
696#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
697# define USE_LOCALE
698# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
699 && defined(HAS_STRXFRM)
700# define USE_LOCALE_COLLATE
701# endif
702# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
703# define USE_LOCALE_CTYPE
704# endif
705# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
706# define USE_LOCALE_NUMERIC
707# endif
708#endif /* !NO_LOCALE && HAS_SETLOCALE */
709
710#include <setjmp.h>
711
712#ifdef I_SYS_PARAM
713# ifdef PARAM_NEEDS_TYPES
714# include <sys/types.h>
715# endif
716# include <sys/param.h>
717#endif
718
719/* Use all the "standard" definitions? */
720#if defined(STANDARD_C) && defined(I_STDLIB)
721# include <stdlib.h>
722#endif
723
724/* If this causes problems, set i_unistd=undef in the hint file. */
725#ifdef I_UNISTD
726# include <unistd.h>
727#endif
728
729/* for WCOREDUMP */
730#ifdef I_SYS_WAIT
731# include <sys/wait.h>
732#endif
733
734#ifdef __SYMBIAN32__
735# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
736#endif
737
738#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
739EXTERN_C int syscall(int, ...);
740#endif
741
742#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
743EXTERN_C int usleep(unsigned int);
744#endif
745
746/* Funky places that do not have socket stuff. */
747#if defined(__LIBCATAMOUNT__)
748# define MYSWAP
749#endif
750
751#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
752# define MYSWAP
753#endif
754
755#ifdef PERL_CORE
756
757/* macros for correct constant construction */
758# if INTSIZE >= 2
759# define U16_CONST(x) ((U16)x##U)
760# else
761# define U16_CONST(x) ((U16)x##UL)
762# endif
763
764# if INTSIZE >= 4
765# define U32_CONST(x) ((U32)x##U)
766# else
767# define U32_CONST(x) ((U32)x##UL)
768# endif
769
770# ifdef HAS_QUAD
771# if INTSIZE >= 8
772# define U64_CONST(x) ((U64)x##U)
773# elif LONGSIZE >= 8
774# define U64_CONST(x) ((U64)x##UL)
775# elif QUADKIND == QUAD_IS_LONG_LONG
776# define U64_CONST(x) ((U64)x##ULL)
777# elif QUADKIND == QUAD_IS___INT64
778# define U64_CONST(x) ((U64)x##UI64)
779# else /* best guess we can make */
780# define U64_CONST(x) ((U64)x##UL)
781# endif
782# endif
783
784/* byte-swapping functions for big-/little-endian conversion */
785# define _swab_16_(x) ((U16)( \
786 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
787 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
788
789# define _swab_32_(x) ((U32)( \
790 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
791 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
792 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
793 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
794
795# ifdef HAS_QUAD
796# define _swab_64_(x) ((U64)( \
797 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
798 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
799 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
800 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
801 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
802 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
803 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
804 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
805# endif
806
807/*----------------------------------------------------------------------------*/
808# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
809/*----------------------------------------------------------------------------*/
810# define my_htole16(x) (x)
811# define my_letoh16(x) (x)
812# define my_htole32(x) (x)
813# define my_letoh32(x) (x)
814# define my_htobe16(x) _swab_16_(x)
815# define my_betoh16(x) _swab_16_(x)
816# define my_htobe32(x) _swab_32_(x)
817# define my_betoh32(x) _swab_32_(x)
818# ifdef HAS_QUAD
819# define my_htole64(x) (x)
820# define my_letoh64(x) (x)
821# define my_htobe64(x) _swab_64_(x)
822# define my_betoh64(x) _swab_64_(x)
823# endif
824# define my_htoles(x) (x)
825# define my_letohs(x) (x)
826# define my_htolei(x) (x)
827# define my_letohi(x) (x)
828# define my_htolel(x) (x)
829# define my_letohl(x) (x)
830# if SHORTSIZE == 1
831# define my_htobes(x) (x)
832# define my_betohs(x) (x)
833# elif SHORTSIZE == 2
834# define my_htobes(x) _swab_16_(x)
835# define my_betohs(x) _swab_16_(x)
836# elif SHORTSIZE == 4
837# define my_htobes(x) _swab_32_(x)
838# define my_betohs(x) _swab_32_(x)
839# elif SHORTSIZE == 8
840# define my_htobes(x) _swab_64_(x)
841# define my_betohs(x) _swab_64_(x)
842# else
843# define PERL_NEED_MY_HTOBES
844# define PERL_NEED_MY_BETOHS
845# endif
846# if INTSIZE == 1
847# define my_htobei(x) (x)
848# define my_betohi(x) (x)
849# elif INTSIZE == 2
850# define my_htobei(x) _swab_16_(x)
851# define my_betohi(x) _swab_16_(x)
852# elif INTSIZE == 4
853# define my_htobei(x) _swab_32_(x)
854# define my_betohi(x) _swab_32_(x)
855# elif INTSIZE == 8
856# define my_htobei(x) _swab_64_(x)
857# define my_betohi(x) _swab_64_(x)
858# else
859# define PERL_NEED_MY_HTOBEI
860# define PERL_NEED_MY_BETOHI
861# endif
862# if LONGSIZE == 1
863# define my_htobel(x) (x)
864# define my_betohl(x) (x)
865# elif LONGSIZE == 2
866# define my_htobel(x) _swab_16_(x)
867# define my_betohl(x) _swab_16_(x)
868# elif LONGSIZE == 4
869# define my_htobel(x) _swab_32_(x)
870# define my_betohl(x) _swab_32_(x)
871# elif LONGSIZE == 8
872# define my_htobel(x) _swab_64_(x)
873# define my_betohl(x) _swab_64_(x)
874# else
875# define PERL_NEED_MY_HTOBEL
876# define PERL_NEED_MY_BETOHL
877# endif
878# define my_htolen(p,n) NOOP
879# define my_letohn(p,n) NOOP
880# define my_htoben(p,n) my_swabn(p,n)
881# define my_betohn(p,n) my_swabn(p,n)
882/*----------------------------------------------------------------------------*/
883# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
884/*----------------------------------------------------------------------------*/
885# define my_htobe16(x) (x)
886# define my_betoh16(x) (x)
887# define my_htobe32(x) (x)
888# define my_betoh32(x) (x)
889# define my_htole16(x) _swab_16_(x)
890# define my_letoh16(x) _swab_16_(x)
891# define my_htole32(x) _swab_32_(x)
892# define my_letoh32(x) _swab_32_(x)
893# ifdef HAS_QUAD
894# define my_htobe64(x) (x)
895# define my_betoh64(x) (x)
896# define my_htole64(x) _swab_64_(x)
897# define my_letoh64(x) _swab_64_(x)
898# endif
899# define my_htobes(x) (x)
900# define my_betohs(x) (x)
901# define my_htobei(x) (x)
902# define my_betohi(x) (x)
903# define my_htobel(x) (x)
904# define my_betohl(x) (x)
905# if SHORTSIZE == 1
906# define my_htoles(x) (x)
907# define my_letohs(x) (x)
908# elif SHORTSIZE == 2
909# define my_htoles(x) _swab_16_(x)
910# define my_letohs(x) _swab_16_(x)
911# elif SHORTSIZE == 4
912# define my_htoles(x) _swab_32_(x)
913# define my_letohs(x) _swab_32_(x)
914# elif SHORTSIZE == 8
915# define my_htoles(x) _swab_64_(x)
916# define my_letohs(x) _swab_64_(x)
917# else
918# define PERL_NEED_MY_HTOLES
919# define PERL_NEED_MY_LETOHS
920# endif
921# if INTSIZE == 1
922# define my_htolei(x) (x)
923# define my_letohi(x) (x)
924# elif INTSIZE == 2
925# define my_htolei(x) _swab_16_(x)
926# define my_letohi(x) _swab_16_(x)
927# elif INTSIZE == 4
928# define my_htolei(x) _swab_32_(x)
929# define my_letohi(x) _swab_32_(x)
930# elif INTSIZE == 8
931# define my_htolei(x) _swab_64_(x)
932# define my_letohi(x) _swab_64_(x)
933# else
934# define PERL_NEED_MY_HTOLEI
935# define PERL_NEED_MY_LETOHI
936# endif
937# if LONGSIZE == 1
938# define my_htolel(x) (x)
939# define my_letohl(x) (x)
940# elif LONGSIZE == 2
941# define my_htolel(x) _swab_16_(x)
942# define my_letohl(x) _swab_16_(x)
943# elif LONGSIZE == 4
944# define my_htolel(x) _swab_32_(x)
945# define my_letohl(x) _swab_32_(x)
946# elif LONGSIZE == 8
947# define my_htolel(x) _swab_64_(x)
948# define my_letohl(x) _swab_64_(x)
949# else
950# define PERL_NEED_MY_HTOLEL
951# define PERL_NEED_MY_LETOHL
952# endif
953# define my_htolen(p,n) my_swabn(p,n)
954# define my_letohn(p,n) my_swabn(p,n)
955# define my_htoben(p,n) NOOP
956# define my_betohn(p,n) NOOP
957/*----------------------------------------------------------------------------*/
958# else /* all other byte-orders */
959/*----------------------------------------------------------------------------*/
960# define PERL_NEED_MY_HTOLE16
961# define PERL_NEED_MY_LETOH16
962# define PERL_NEED_MY_HTOBE16
963# define PERL_NEED_MY_BETOH16
964# define PERL_NEED_MY_HTOLE32
965# define PERL_NEED_MY_LETOH32
966# define PERL_NEED_MY_HTOBE32
967# define PERL_NEED_MY_BETOH32
968# ifdef HAS_QUAD
969# define PERL_NEED_MY_HTOLE64
970# define PERL_NEED_MY_LETOH64
971# define PERL_NEED_MY_HTOBE64
972# define PERL_NEED_MY_BETOH64
973# endif
974# define PERL_NEED_MY_HTOLES
975# define PERL_NEED_MY_LETOHS
976# define PERL_NEED_MY_HTOBES
977# define PERL_NEED_MY_BETOHS
978# define PERL_NEED_MY_HTOLEI
979# define PERL_NEED_MY_LETOHI
980# define PERL_NEED_MY_HTOBEI
981# define PERL_NEED_MY_BETOHI
982# define PERL_NEED_MY_HTOLEL
983# define PERL_NEED_MY_LETOHL
984# define PERL_NEED_MY_HTOBEL
985# define PERL_NEED_MY_BETOHL
986/*----------------------------------------------------------------------------*/
987# endif /* end of byte-order macros */
988/*----------------------------------------------------------------------------*/
989
990/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
991 at least on FreeBSD. YMMV, so experiment. */
992#ifndef PERL_ARENA_SIZE
993#define PERL_ARENA_SIZE 4080
994#endif
995
996/* Maximum level of recursion */
997#ifndef PERL_SUB_DEPTH_WARN
998#define PERL_SUB_DEPTH_WARN 100
999#endif
1000
1001#endif /* PERL_CORE */
1002
1003/* We no longer default to creating a new SV for GvSV.
1004 Do this before embed. */
1005#ifndef PERL_CREATE_GVSV
1006# ifndef PERL_DONT_CREATE_GVSV
1007# define PERL_DONT_CREATE_GVSV
1008# endif
1009#endif
1010
1011#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
1012#define PERL_USES_PL_PIDSTATUS
1013#endif
1014
1015#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
1016#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
1017#endif
1018
1019#define MEM_SIZE Size_t
1020
1021/* Round all values passed to malloc up, by default to a multiple of
1022 sizeof(size_t)
1023*/
1024#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
1025#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
1026#endif
1027
1028/* sv_grow() will expand strings by at least a certain percentage of
1029 the previously *used* length to avoid excessive calls to realloc().
1030 The default is 25% of the current length.
1031*/
1032#ifndef PERL_STRLEN_EXPAND_SHIFT
1033# define PERL_STRLEN_EXPAND_SHIFT 2
1034#endif
1035
1036#if defined(STANDARD_C) && defined(I_STDDEF)
1037# include <stddef.h>
1038# define STRUCT_OFFSET(s,m) offsetof(s,m)
1039#else
1040# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
1041#endif
1042
1043#ifndef __SYMBIAN32__
1044# if defined(I_STRING) || defined(__cplusplus)
1045# include <string.h>
1046# else
1047# include <strings.h>
1048# endif
1049#endif
1050
1051/* This comes after <stdlib.h> so we don't try to change the standard
1052 * library prototypes; we'll use our own in proto.h instead. */
1053
1054#ifdef MYMALLOC
1055# ifdef PERL_POLLUTE_MALLOC
1056# ifndef PERL_EXTMALLOC_DEF
1057# define Perl_malloc malloc
1058# define Perl_calloc calloc
1059# define Perl_realloc realloc
1060# define Perl_mfree free
1061# endif
1062# else
1063# define EMBEDMYMALLOC /* for compatibility */
1064# endif
1065
1066# define safemalloc Perl_malloc
1067# define safecalloc Perl_calloc
1068# define saferealloc Perl_realloc
1069# define safefree Perl_mfree
1070# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1071 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1072 code; \
1073 } STMT_END
1074# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1075 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1076# define panic_write2(s) write(2, s, strlen(s))
1077# define CHECK_MALLOC_TAINT(newval) \
1078 CHECK_MALLOC_TOO_LATE_FOR_( \
1079 if (newval) { \
1080 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1081 exit(1); })
1082# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
1083 if (doing_taint(argc,argv,env)) { \
1084 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1085 }} STMT_END;
1086#else /* MYMALLOC */
1087# define safemalloc safesysmalloc
1088# define safecalloc safesyscalloc
1089# define saferealloc safesysrealloc
1090# define safefree safesysfree
1091# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1092# define CHECK_MALLOC_TAINT(newval) ((void)0)
1093# define MALLOC_CHECK_TAINT(argc,argv,env)
1094#endif /* MYMALLOC */
1095
1096/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
1097#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)
1098#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1099#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1100#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1101
1102#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1103#define strchr index
1104#define strrchr rindex
1105#endif
1106
1107#ifdef I_MEMORY
1108# include <memory.h>
1109#endif
1110
1111#ifdef HAS_MEMCPY
1112# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
1113# ifndef memcpy
1114 extern char * memcpy (char*, char*, int);
1115# endif
1116# endif
1117#else
1118# ifndef memcpy
1119# ifdef HAS_BCOPY
1120# define memcpy(d,s,l) bcopy(s,d,l)
1121# else
1122# define memcpy(d,s,l) my_bcopy(s,d,l)
1123# endif
1124# endif
1125#endif /* HAS_MEMCPY */
1126
1127#ifdef HAS_MEMSET
1128# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
1129# ifndef memset
1130 extern char *memset (char*, int, int);
1131# endif
1132# endif
1133#else
1134# undef memset
1135# define memset(d,c,l) my_memset(d,c,l)
1136#endif /* HAS_MEMSET */
1137
1138#if !defined(HAS_MEMMOVE) && !defined(memmove)
1139# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
1140# define memmove(d,s,l) bcopy(s,d,l)
1141# else
1142# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
1143# define memmove(d,s,l) memcpy(d,s,l)
1144# else
1145# define memmove(d,s,l) my_bcopy(s,d,l)
1146# endif
1147# endif
1148#endif
1149
1150#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1151# undef HAS_MEMCMP
1152#endif
1153
1154#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
1155# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
1156# ifndef memcmp
1157 extern int memcmp (char*, char*, int);
1158# endif
1159# endif
1160# ifdef BUGGY_MSC
1161# pragma function(memcmp)
1162# endif
1163#else
1164# ifndef memcmp
1165# define memcmp my_memcmp
1166# endif
1167#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
1168
1169#ifndef memzero
1170# ifdef HAS_MEMSET
1171# define memzero(d,l) memset(d,0,l)
1172# else
1173# ifdef HAS_BZERO
1174# define memzero(d,l) bzero(d,l)
1175# else
1176# define memzero(d,l) my_bzero(d,l)
1177# endif
1178# endif
1179#endif
1180
1181#ifndef PERL_MICRO
1182#ifndef memchr
1183# ifndef HAS_MEMCHR
1184# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1185# endif
1186#endif
1187#endif
1188
1189#ifndef HAS_BCMP
1190# ifndef bcmp
1191# define bcmp(s1,s2,l) memcmp(s1,s2,l)
1192# endif
1193#endif /* !HAS_BCMP */
1194
1195#ifdef I_NETINET_IN
1196# include <netinet/in.h>
1197#endif
1198
1199#ifdef I_ARPA_INET
1200# include <arpa/inet.h>
1201#endif
1202
1203#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1204/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1205 * (the neo-BSD seem to do this). */
1206# undef SF_APPEND
1207#endif
1208
1209#ifdef I_SYS_STAT
1210# include <sys/stat.h>
1211#endif
1212
1213/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1214 This definition should ideally go into win32/win32.h, but S_IFIFO is
1215 used later here in perl.h before win32/win32.h is being included. */
1216#if !defined(S_IFIFO) && defined(_S_IFIFO)
1217# define S_IFIFO _S_IFIFO
1218#endif
1219
1220/* The stat macros for Unisoft System V/88 (and derivatives
1221 like UTekV) are broken, sometimes giving false positives. Undefine
1222 them here and let the code below set them to proper values.
1223
1224 The ghs macro stands for GreenHills Software C-1.8.5 which
1225 is the C compiler for sysV88 and the various derivatives.
1226 This header file bug is corrected in gcc-2.5.8 and later versions.
1227 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1228
1229#if defined(m88k) && defined(ghs)
1230# undef S_ISDIR
1231# undef S_ISCHR
1232# undef S_ISBLK
1233# undef S_ISREG
1234# undef S_ISFIFO
1235# undef S_ISLNK
1236#endif
1237
1238#ifdef I_TIME
1239# include <time.h>
1240#endif
1241
1242#ifdef I_SYS_TIME
1243# ifdef I_SYS_TIME_KERNEL
1244# define KERNEL
1245# endif
1246# include <sys/time.h>
1247# ifdef I_SYS_TIME_KERNEL
1248# undef KERNEL
1249# endif
1250#endif
1251
1252#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
1253# include <sys/times.h>
1254#endif
1255
1256#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
1257# undef HAS_STRERROR
1258#endif
1259
1260#include <errno.h>
1261
1262#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
1263# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1264#endif
1265
1266/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1267 * This is important for using IPv6.
1268 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1269 * a bad idea since it breaks send() and recv(). */
1270#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1271# define _SOCKADDR_LEN
1272#endif
1273
1274#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1275# include <sys/socket.h>
1276# if defined(USE_SOCKS) && defined(I_SOCKS)
1277# if !defined(INCLUDE_PROTOTYPES)
1278# define INCLUDE_PROTOTYPES /* for <socks.h> */
1279# define PERL_SOCKS_NEED_PROTOTYPES
1280# endif
1281# include <socks.h>
1282# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1283# undef INCLUDE_PROTOTYPES
1284# undef PERL_SOCKS_NEED_PROTOTYPES
1285# endif
1286# endif
1287# ifdef I_NETDB
1288# ifdef NETWARE
1289# include<stdio.h>
1290# endif
1291# include <netdb.h>
1292# endif
1293# ifndef ENOTSOCK
1294# ifdef I_NET_ERRNO
1295# include <net/errno.h>
1296# endif
1297# endif
1298#endif
1299
1300/* sockatmark() is so new (2001) that many places might have it hidden
1301 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1302 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
1303#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
1304# if defined(__THROW) && defined(__GLIBC__)
1305int sockatmark(int) __THROW;
1306# else
1307int sockatmark(int);
1308# endif
1309#endif
1310
1311#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. */
1312EXTERN_C int fchdir(int);
1313EXTERN_C int flock(int, int);
1314EXTERN_C int fseeko(FILE *, off_t, int);
1315EXTERN_C off_t ftello(FILE *);
1316#endif
1317
1318#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1319EXTERN_C char *crypt(const char *, const char *);
1320EXTERN_C char **environ;
1321#endif
1322
1323#if defined(__cplusplus)
1324# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
1325EXTERN_C char **environ;
1326# elif defined(__CYGWIN__)
1327EXTERN_C char *crypt(const char *, const char *);
1328#endif
1329#endif
1330
1331#ifdef SETERRNO
1332# undef SETERRNO /* SOCKS might have defined this */
1333#endif
1334
1335#ifdef VMS
1336# define SETERRNO(errcode,vmserrcode) \
1337 STMT_START { \
1338 set_errno(errcode); \
1339 set_vaxc_errno(vmserrcode); \
1340 } STMT_END
1341# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1342# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1343# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1344# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1345
1346# define LIB_INVARG LIB$_INVARG
1347# define RMS_DIR RMS$_DIR
1348# define RMS_FAC RMS$_FAC
1349# define RMS_FEX RMS$_FEX
1350# define RMS_FNF RMS$_FNF
1351# define RMS_IFI RMS$_IFI
1352# define RMS_ISI RMS$_ISI
1353# define RMS_PRV RMS$_PRV
1354# define SS_ACCVIO SS$_ACCVIO
1355# define SS_DEVOFFLINE SS$_DEVOFFLINE
1356# define SS_IVCHAN SS$_IVCHAN
1357# define SS_NORMAL SS$_NORMAL
1358#else
1359# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1360# define dSAVEDERRNO int saved_errno
1361# define dSAVE_ERRNO int saved_errno = errno
1362# define SAVE_ERRNO (saved_errno = errno)
1363# define RESTORE_ERRNO (errno = saved_errno)
1364
1365# define LIB_INVARG 0
1366# define RMS_DIR 0
1367# define RMS_FAC 0
1368# define RMS_FEX 0
1369# define RMS_FNF 0
1370# define RMS_IFI 0
1371# define RMS_ISI 0
1372# define RMS_PRV 0
1373# define SS_ACCVIO 0
1374# define SS_DEVOFFLINE 0
1375# define SS_IVCHAN 0
1376# define SS_NORMAL 0
1377#endif
1378
1379#define ERRSV GvSVn(PL_errgv)
1380
1381#define CLEAR_ERRSV() STMT_START { \
1382 if (!GvSV(PL_errgv)) { \
1383 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1384 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1385 SvREFCNT_dec(GvSV(PL_errgv)); \
1386 GvSV(PL_errgv) = newSVpvs(""); \
1387 } else { \
1388 SV *const errsv = GvSV(PL_errgv); \
1389 sv_setpvs(errsv, ""); \
1390 if (SvMAGICAL(errsv)) { \
1391 mg_free(errsv); \
1392 } \
1393 SvPOK_only(errsv); \
1394 } \
1395 } STMT_END
1396
1397
1398#ifdef PERL_CORE
1399# define DEFSV (0 + GvSVn(PL_defgv))
1400# define DEFSV_set(sv) \
1401 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1402# define SAVE_DEFSV \
1403 ( \
1404 save_gp(PL_defgv, 0), \
1405 GvINTRO_off(PL_defgv), \
1406 SAVEGENERICSV(GvSV(PL_defgv)), \
1407 GvSV(PL_defgv) = NULL \
1408 )
1409#else
1410# define DEFSV GvSVn(PL_defgv)
1411# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1412# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
1413#endif
1414
1415#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1416
1417#ifndef errno
1418 extern int errno; /* ANSI allows errno to be an lvalue expr.
1419 * For example in multithreaded environments
1420 * something like this might happen:
1421 * extern int *_errno(void);
1422 * #define errno (*_errno()) */
1423#endif
1424
1425#ifdef HAS_STRERROR
1426#ifndef DONT_DECLARE_STD
1427# ifdef VMS
1428 char *strerror (int,...);
1429# else
1430 char *strerror (int);
1431# endif
1432#endif
1433# ifndef Strerror
1434# define Strerror strerror
1435# endif
1436#else
1437# ifdef HAS_SYS_ERRLIST
1438 extern int sys_nerr;
1439 extern char *sys_errlist[];
1440# ifndef Strerror
1441# define Strerror(e) \
1442 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
1443# endif
1444# endif
1445#endif
1446
1447#ifdef I_SYS_IOCTL
1448# ifndef _IOCTL_
1449# include <sys/ioctl.h>
1450# endif
1451#endif
1452
1453#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
1454# ifdef HAS_SOCKETPAIR
1455# undef HAS_SOCKETPAIR
1456# endif
1457# ifdef I_NDBM
1458# undef I_NDBM
1459# endif
1460#endif
1461
1462#ifndef HAS_SOCKETPAIR
1463# ifdef HAS_SOCKET
1464# define socketpair Perl_my_socketpair
1465# endif
1466#endif
1467
1468#if INTSIZE == 2
1469# define htoni htons
1470# define ntohi ntohs
1471#else
1472# define htoni htonl
1473# define ntohi ntohl
1474#endif
1475
1476/* Configure already sets Direntry_t */
1477#if defined(I_DIRENT)
1478# include <dirent.h>
1479 /* NeXT needs dirent + sys/dir.h */
1480# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
1481# include <sys/dir.h>
1482# endif
1483#else
1484# ifdef I_SYS_NDIR
1485# include <sys/ndir.h>
1486# else
1487# ifdef I_SYS_DIR
1488# ifdef hp9000s500
1489# include <ndir.h> /* may be wrong in the future */
1490# else
1491# include <sys/dir.h>
1492# endif
1493# endif
1494# endif
1495#endif
1496
1497#ifdef PERL_MICRO
1498# ifndef DIR
1499# define DIR void
1500# endif
1501#endif
1502
1503#ifdef FPUTS_BOTCH
1504/* work around botch in SunOS 4.0.1 and 4.0.2 */
1505# ifndef fputs
1506# define fputs(sv,fp) fprintf(fp,"%s",sv)
1507# endif
1508#endif
1509
1510/*
1511 * The following gobbledygook brought to you on behalf of __STDC__.
1512 * (I could just use #ifndef __STDC__, but this is more bulletproof
1513 * in the face of half-implementations.)
1514 */
1515
1516#if defined(I_SYSMODE) && !defined(PERL_MICRO)
1517#include <sys/mode.h>
1518#endif
1519
1520#ifndef S_IFMT
1521# ifdef _S_IFMT
1522# define S_IFMT _S_IFMT
1523# else
1524# define S_IFMT 0170000
1525# endif
1526#endif
1527
1528#ifndef S_ISDIR
1529# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1530#endif
1531
1532#ifndef S_ISCHR
1533# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1534#endif
1535
1536#ifndef S_ISBLK
1537# ifdef S_IFBLK
1538# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1539# else
1540# define S_ISBLK(m) (0)
1541# endif
1542#endif
1543
1544#ifndef S_ISREG
1545# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1546#endif
1547
1548#ifndef S_ISFIFO
1549# ifdef S_IFIFO
1550# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1551# else
1552# define S_ISFIFO(m) (0)
1553# endif
1554#endif
1555
1556#ifndef S_ISLNK
1557# ifdef _S_ISLNK
1558# define S_ISLNK(m) _S_ISLNK(m)
1559# else
1560# ifdef _S_IFLNK
1561# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1562# else
1563# ifdef S_IFLNK
1564# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1565# else
1566# define S_ISLNK(m) (0)
1567# endif
1568# endif
1569# endif
1570#endif
1571
1572#ifndef S_ISSOCK
1573# ifdef _S_ISSOCK
1574# define S_ISSOCK(m) _S_ISSOCK(m)
1575# else
1576# ifdef _S_IFSOCK
1577# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1578# else
1579# ifdef S_IFSOCK
1580# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1581# else
1582# define S_ISSOCK(m) (0)
1583# endif
1584# endif
1585# endif
1586#endif
1587
1588#ifndef S_IRUSR
1589# ifdef S_IREAD
1590# define S_IRUSR S_IREAD
1591# define S_IWUSR S_IWRITE
1592# define S_IXUSR S_IEXEC
1593# else
1594# define S_IRUSR 0400
1595# define S_IWUSR 0200
1596# define S_IXUSR 0100
1597# endif
1598#endif
1599
1600#ifndef S_IRGRP
1601# ifdef S_IRUSR
1602# define S_IRGRP (S_IRUSR>>3)
1603# define S_IWGRP (S_IWUSR>>3)
1604# define S_IXGRP (S_IXUSR>>3)
1605# else
1606# define S_IRGRP 0040
1607# define S_IWGRP 0020
1608# define S_IXGRP 0010
1609# endif
1610#endif
1611
1612#ifndef S_IROTH
1613# ifdef S_IRUSR
1614# define S_IROTH (S_IRUSR>>6)
1615# define S_IWOTH (S_IWUSR>>6)
1616# define S_IXOTH (S_IXUSR>>6)
1617# else
1618# define S_IROTH 0040
1619# define S_IWOTH 0020
1620# define S_IXOTH 0010
1621# endif
1622#endif
1623
1624#ifndef S_ISUID
1625# define S_ISUID 04000
1626#endif
1627
1628#ifndef S_ISGID
1629# define S_ISGID 02000
1630#endif
1631
1632#ifndef S_IRWXU
1633# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
1634#endif
1635
1636#ifndef S_IRWXG
1637# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
1638#endif
1639
1640#ifndef S_IRWXO
1641# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
1642#endif
1643
1644/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1645 * which would get included through <sys/file.h >, but that is 3000
1646 * lines in the future. --jhi */
1647
1648#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
1649# define S_IREAD S_IRUSR
1650#endif
1651
1652#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
1653# define S_IWRITE S_IWUSR
1654#endif
1655
1656#ifndef S_IEXEC
1657# define S_IEXEC S_IXUSR
1658#endif
1659
1660#ifdef ff_next
1661# undef ff_next
1662#endif
1663
1664#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
1665# define SLOPPYDIVIDE
1666#endif
1667
1668#ifdef UV
1669#undef UV
1670#endif
1671
1672/* For the times when you want the return value of sprintf, and you want it
1673 to be the length. Can't have a thread variable passed in, because C89 has
1674 no varargs macros.
1675*/
1676#ifdef SPRINTF_RETURNS_STRLEN
1677# define my_sprintf sprintf
1678#else
1679# define my_sprintf Perl_my_sprintf
1680#endif
1681
1682/*
1683 * If we have v?snprintf() and the C99 variadic macros, we can just
1684 * use just the v?snprintf(). It is nice to try to trap the buffer
1685 * overflow, however, so if we are DEBUGGING, and we cannot use the
1686 * gcc statement expressions, then use the function wrappers which try
1687 * to trap the overflow. If we can use the gcc statement expressions,
1688 * we can try that even with the version that uses the C99 variadic
1689 * macros.
1690 */
1691
1692/* Note that we do not check against snprintf()/vsnprintf() returning
1693 * negative values because that is non-standard behaviour and we use
1694 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1695 * that should be true only if the snprintf()/vsnprintf() are true
1696 * to the standard. */
1697
1698#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1699# ifdef PERL_USE_GCC_BRACE_GROUPS
1700# define my_snprintf(buffer, len, ...) ({ int __len__ = snprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: snprintf buffer overflow"); __len__; })
1701# define PERL_MY_SNPRINTF_GUARDED
1702# else
1703# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1704# endif
1705#else
1706# define my_snprintf Perl_my_snprintf
1707# define PERL_MY_SNPRINTF_GUARDED
1708#endif
1709
1710#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
1711# ifdef PERL_USE_GCC_BRACE_GROUPS
1712# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1713# define PERL_MY_VSNPRINTF_GUARDED
1714# else
1715# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1716# endif
1717#else
1718# define my_vsnprintf Perl_my_vsnprintf
1719# define PERL_MY_VSNPRINTF_GUARDED
1720#endif
1721
1722#ifdef HAS_STRLCAT
1723# define my_strlcat strlcat
1724#else
1725# define my_strlcat Perl_my_strlcat
1726#endif
1727
1728#ifdef HAS_STRLCPY
1729# define my_strlcpy strlcpy
1730#else
1731# define my_strlcpy Perl_my_strlcpy
1732#endif
1733
1734/*
1735 The IV type is supposed to be long enough to hold any integral
1736 value or a pointer.
1737 --Andy Dougherty August 1996
1738*/
1739
1740typedef IVTYPE IV;
1741typedef UVTYPE UV;
1742
1743#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
1744# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
1745# define IV_MAX INT64_MAX
1746# define IV_MIN INT64_MIN
1747# define UV_MAX UINT64_MAX
1748# ifndef UINT64_MIN
1749# define UINT64_MIN 0
1750# endif
1751# define UV_MIN UINT64_MIN
1752# else
1753# define IV_MAX PERL_QUAD_MAX
1754# define IV_MIN PERL_QUAD_MIN
1755# define UV_MAX PERL_UQUAD_MAX
1756# define UV_MIN PERL_UQUAD_MIN
1757# endif
1758# define IV_IS_QUAD
1759# define UV_IS_QUAD
1760#else
1761# if defined(INT32_MAX) && IVSIZE == 4
1762# define IV_MAX INT32_MAX
1763# define IV_MIN INT32_MIN
1764# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1765# define UV_MAX UINT32_MAX
1766# else
1767# define UV_MAX 4294967295U
1768# endif
1769# ifndef UINT32_MIN
1770# define UINT32_MIN 0
1771# endif
1772# define UV_MIN UINT32_MIN
1773# else
1774# define IV_MAX PERL_LONG_MAX
1775# define IV_MIN PERL_LONG_MIN
1776# define UV_MAX PERL_ULONG_MAX
1777# define UV_MIN PERL_ULONG_MIN
1778# endif
1779# if IVSIZE == 8
1780# define IV_IS_QUAD
1781# define UV_IS_QUAD
1782# ifndef HAS_QUAD
1783# define HAS_QUAD
1784# endif
1785# else
1786# undef IV_IS_QUAD
1787# undef UV_IS_QUAD
1788# undef HAS_QUAD
1789# endif
1790#endif
1791
1792#ifndef HAS_QUAD
1793# undef PERL_NEED_MY_HTOLE64
1794# undef PERL_NEED_MY_LETOH64
1795# undef PERL_NEED_MY_HTOBE64
1796# undef PERL_NEED_MY_BETOH64
1797#endif
1798
1799#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
1800#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
1801
1802#ifndef NO_PERL_PRESERVE_IVUV
1803#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
1804#endif
1805
1806/*
1807 * The macros INT2PTR and NUM2PTR are (despite their names)
1808 * bi-directional: they will convert int/float to or from pointers.
1809 * However the conversion to int/float are named explicitly:
1810 * PTR2IV, PTR2UV, PTR2NV.
1811 *
1812 * For int conversions we do not need two casts if pointers are
1813 * the same size as IV and UV. Otherwise we need an explicit
1814 * cast (PTRV) to avoid compiler warnings.
1815 */
1816#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1817# define PTRV UV
1818# define INT2PTR(any,d) (any)(d)
1819#else
1820# if PTRSIZE == LONGSIZE
1821# define PTRV unsigned long
1822# define PTR2ul(p) (unsigned long)(p)
1823# else
1824# define PTRV unsigned
1825# endif
1826#endif
1827
1828#ifndef INT2PTR
1829# define INT2PTR(any,d) (any)(PTRV)(d)
1830#endif
1831
1832#ifndef PTR2ul
1833# define PTR2ul(p) INT2PTR(unsigned long,p)
1834#endif
1835
1836#define NUM2PTR(any,d) (any)(PTRV)(d)
1837#define PTR2IV(p) INT2PTR(IV,p)
1838#define PTR2UV(p) INT2PTR(UV,p)
1839#define PTR2NV(p) NUM2PTR(NV,p)
1840#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
1841
1842/* According to strict ANSI C89 one cannot freely cast between
1843 * data pointers and function (code) pointers. There are at least
1844 * two ways around this. One (used below) is to do two casts,
1845 * first the other pointer to an (unsigned) integer, and then
1846 * the integer to the other pointer. The other way would be
1847 * to use unions to "overlay" the pointers. For an example of
1848 * the latter technique, see union dirpu in struct xpvio in sv.h.
1849 * The only feasible use is probably temporarily storing
1850 * function pointers in a data pointer (such as a void pointer). */
1851
1852#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1853#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
1854
1855#ifdef USE_LONG_DOUBLE
1856# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1857# define LONG_DOUBLE_EQUALS_DOUBLE
1858# endif
1859# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
1860# undef USE_LONG_DOUBLE /* Ouch! */
1861# endif
1862#endif
1863
1864#ifdef OVR_DBL_DIG
1865/* Use an overridden DBL_DIG */
1866# ifdef DBL_DIG
1867# undef DBL_DIG
1868# endif
1869# define DBL_DIG OVR_DBL_DIG
1870#else
1871/* The following is all to get DBL_DIG, in order to pick a nice
1872 default value for printing floating point numbers in Gconvert
1873 (see config.h). (It also has other uses, such as figuring out if
1874 a given precision of printing can be done with a double instead of
1875 a long double - Allen).
1876*/
1877#ifdef I_LIMITS
1878#include <limits.h>
1879#endif
1880#ifdef I_FLOAT
1881#include <float.h>
1882#endif
1883#ifndef HAS_DBL_DIG
1884#define DBL_DIG 15 /* A guess that works lots of places */
1885#endif
1886#endif
1887
1888#ifdef OVR_LDBL_DIG
1889/* Use an overridden LDBL_DIG */
1890# ifdef LDBL_DIG
1891# undef LDBL_DIG
1892# endif
1893# define LDBL_DIG OVR_LDBL_DIG
1894#else
1895/* The following is all to get LDBL_DIG, in order to pick a nice
1896 default value for printing floating point numbers in Gconvert.
1897 (see config.h)
1898*/
1899# ifdef I_LIMITS
1900# include <limits.h>
1901# endif
1902# ifdef I_FLOAT
1903# include <float.h>
1904# endif
1905# ifndef HAS_LDBL_DIG
1906# if LONG_DOUBLESIZE == 10
1907# define LDBL_DIG 18 /* assume IEEE */
1908# else
1909# if LONG_DOUBLESIZE == 12
1910# define LDBL_DIG 18 /* gcc? */
1911# else
1912# if LONG_DOUBLESIZE == 16
1913# define LDBL_DIG 33 /* assume IEEE */
1914# else
1915# if LONG_DOUBLESIZE == DOUBLESIZE
1916# define LDBL_DIG DBL_DIG /* bummer */
1917# endif
1918# endif
1919# endif
1920# endif
1921# endif
1922#endif
1923
1924/*
1925 * This is for making sure we have a good DBL_MAX value, if possible,
1926 * either for usage as NV_MAX or for usage in figuring out if we can
1927 * fit a given long double into a double, if bug-fixing makes it
1928 * necessary to do so. - Allen <allens@cpan.org>
1929 */
1930
1931#ifdef I_LIMITS
1932# include <limits.h>
1933#endif
1934
1935#ifdef I_VALUES
1936# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1937# include <values.h>
1938# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1939# define DBL_MAX MAXDOUBLE
1940# endif
1941# if defined(MINDOUBLE) && !defined(DBL_MIN)
1942# define DBL_MIN MINDOUBLE
1943# endif
1944# endif
1945#endif /* defined(I_VALUES) */
1946
1947typedef NVTYPE NV;
1948
1949#ifdef I_IEEEFP
1950# include <ieeefp.h>
1951#endif
1952
1953#ifdef USE_LONG_DOUBLE
1954# ifdef I_SUNMATH
1955# include <sunmath.h>
1956# endif
1957# define NV_DIG LDBL_DIG
1958# ifdef LDBL_MANT_DIG
1959# define NV_MANT_DIG LDBL_MANT_DIG
1960# endif
1961# ifdef LDBL_MIN
1962# define NV_MIN LDBL_MIN
1963# endif
1964# ifdef LDBL_MAX
1965# define NV_MAX LDBL_MAX
1966# endif
1967# ifdef LDBL_MIN_10_EXP
1968# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1969# endif
1970# ifdef LDBL_MAX_10_EXP
1971# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1972# endif
1973# ifdef LDBL_EPSILON
1974# define NV_EPSILON LDBL_EPSILON
1975# endif
1976# ifdef LDBL_MAX
1977# define NV_MAX LDBL_MAX
1978/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
1979# else
1980# ifdef HUGE_VALL
1981# define NV_MAX HUGE_VALL
1982# else
1983# ifdef HUGE_VAL
1984# define NV_MAX ((NV)HUGE_VAL)
1985# endif
1986# endif
1987# endif
1988# ifdef HAS_SQRTL
1989# define Perl_cos cosl
1990# define Perl_sin sinl
1991# define Perl_sqrt sqrtl
1992# define Perl_exp expl
1993# define Perl_log logl
1994# define Perl_atan2 atan2l
1995# define Perl_pow powl
1996# define Perl_floor floorl
1997# define Perl_ceil ceill
1998# define Perl_fmod fmodl
1999# endif
2000/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
2001# ifdef HAS_MODFL
2002# define Perl_modf(x,y) modfl(x,y)
2003/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
2004 prototype in <math.h> */
2005# ifndef HAS_MODFL_PROTO
2006EXTERN_C long double modfl(long double, long double *);
2007# endif
2008# else
2009# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
2010 extern long double Perl_my_modfl(long double x, long double *ip);
2011# define Perl_modf(x,y) Perl_my_modfl(x,y)
2012# endif
2013# endif
2014# ifdef HAS_FREXPL
2015# define Perl_frexp(x,y) frexpl(x,y)
2016# else
2017# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
2018 extern long double Perl_my_frexpl(long double x, int *e);
2019# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
2020# endif
2021# endif
2022# ifndef Perl_isnan
2023# ifdef HAS_ISNANL
2024# define Perl_isnan(x) isnanl(x)
2025# endif
2026# endif
2027# ifndef Perl_isinf
2028# ifdef HAS_FINITEL
2029# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
2030# endif
2031# endif
2032#else
2033# define NV_DIG DBL_DIG
2034# ifdef DBL_MANT_DIG
2035# define NV_MANT_DIG DBL_MANT_DIG
2036# endif
2037# ifdef DBL_MIN
2038# define NV_MIN DBL_MIN
2039# endif
2040# ifdef DBL_MAX
2041# define NV_MAX DBL_MAX
2042# endif
2043# ifdef DBL_MIN_10_EXP
2044# define NV_MIN_10_EXP DBL_MIN_10_EXP
2045# endif
2046# ifdef DBL_MAX_10_EXP
2047# define NV_MAX_10_EXP DBL_MAX_10_EXP
2048# endif
2049# ifdef DBL_EPSILON
2050# define NV_EPSILON DBL_EPSILON
2051# endif
2052# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
2053# define NV_MAX DBL_MAX
2054# define NV_MIN DBL_MIN
2055# else
2056# ifdef HUGE_VAL
2057# define NV_MAX HUGE_VAL
2058# endif
2059# endif
2060# define Perl_cos cos
2061# define Perl_sin sin
2062# define Perl_sqrt sqrt
2063# define Perl_exp exp
2064# define Perl_log log
2065# define Perl_atan2 atan2
2066# define Perl_pow pow
2067# define Perl_floor floor
2068# define Perl_ceil ceil
2069# define Perl_fmod fmod
2070# define Perl_modf(x,y) modf(x,y)
2071# define Perl_frexp(x,y) frexp(x,y)
2072#endif
2073
2074/* rumor has it that Win32 has _fpclass() */
2075
2076/* SGI has fpclassl... but not with the same result values,
2077 * and it's via a typedef (not via #define), so will need to redo Configure
2078 * to use. Not worth the trouble, IMO, at least until the below is used
2079 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2080 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2081 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2082
2083#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2084# ifdef I_IEEFP
2085# include <ieeefp.h>
2086# endif
2087# ifdef I_FP
2088# include <fp.h>
2089# endif
2090# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2091# define Perl_fp_class() fpclassl(x)
2092# else
2093# define Perl_fp_class() fpclass(x)
2094# endif
2095# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2096# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2097# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2098# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2099# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2100# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2101# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2102# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2103# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2104# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2105# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2106# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2107# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2108# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2109# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2110#endif
2111
2112#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
2113# include <math.h>
2114# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2115# include <fp_class.h>
2116# endif
2117# define Perl_fp_class(x) fp_class(x)
2118# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2119# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2120# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2121# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2122# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2123# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2124# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2125# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2126# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2127# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2128# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2129# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2130# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2131# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2132# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2133#endif
2134
2135#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2136# include <math.h>
2137# define Perl_fp_class(x) fpclassify(x)
2138# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
2139# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2140# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2141# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2142# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2143#endif
2144
2145#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2146# include <math.h>
2147# ifndef _cplusplus
2148# define Perl_fp_class(x) class(x)
2149# else
2150# define Perl_fp_class(x) _class(x)
2151# endif
2152# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2153# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2154# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2155# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2156# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2157# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2158# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2159# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2160# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2161# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2162# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2163# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2164# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2165# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2166# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2167#endif
2168
2169/* rumor has it that Win32 has _isnan() */
2170
2171#ifndef Perl_isnan
2172# ifdef HAS_ISNAN
2173# define Perl_isnan(x) isnan((NV)x)
2174# else
2175# ifdef Perl_fp_class_nan
2176# define Perl_isnan(x) Perl_fp_class_nan(x)
2177# else
2178# ifdef HAS_UNORDERED
2179# define Perl_isnan(x) unordered((x), 0.0)
2180# else
2181# define Perl_isnan(x) ((x)!=(x))
2182# endif
2183# endif
2184# endif
2185#endif
2186
2187#ifdef UNDER_CE
2188int isnan(double d);
2189#endif
2190
2191#ifndef Perl_isinf
2192# ifdef HAS_ISINF
2193# define Perl_isinf(x) isinf((NV)x)
2194# else
2195# ifdef Perl_fp_class_inf
2196# define Perl_isinf(x) Perl_fp_class_inf(x)
2197# else
2198# define Perl_isinf(x) ((x)==NV_INF)
2199# endif
2200# endif
2201#endif
2202
2203#ifndef Perl_isfinite
2204# ifdef HAS_FINITE
2205# define Perl_isfinite(x) finite((NV)x)
2206# else
2207# ifdef HAS_ISFINITE
2208# define Perl_isfinite(x) isfinite(x)
2209# else
2210# ifdef Perl_fp_class_finite
2211# define Perl_isfinite(x) Perl_fp_class_finite(x)
2212# else
2213# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2214# endif
2215# endif
2216# endif
2217#endif
2218
2219/* The default is to use Perl's own atof() implementation (in numeric.c).
2220 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2221 * it is however best to use the native implementation of atof.
2222 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2223 * Some good tests to try out with either setting are t/base/num.t,
2224 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2225 * you may need to be using a different function than atof! */
2226
2227#ifndef USE_PERL_ATOF
2228# ifndef _UNICOS
2229# define USE_PERL_ATOF
2230# endif
2231#else
2232# if USE_PERL_ATOF == 0
2233# undef USE_PERL_ATOF
2234# endif
2235#endif
2236
2237#ifdef USE_PERL_ATOF
2238# define Perl_atof(s) Perl_my_atof(s)
2239# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2240#else
2241# define Perl_atof(s) (NV)atof(s)
2242# define Perl_atof2(s, n) ((n) = atof(s))
2243#endif
2244
2245/* Previously these definitions used hardcoded figures.
2246 * It is hoped these formula are more portable, although
2247 * no data one way or another is presently known to me.
2248 * The "PERL_" names are used because these calculated constants
2249 * do not meet the ANSI requirements for LONG_MAX, etc., which
2250 * need to be constants acceptable to #if - kja
2251 * define PERL_LONG_MAX 2147483647L
2252 * define PERL_LONG_MIN (-LONG_MAX - 1)
2253 * define PERL ULONG_MAX 4294967295L
2254 */
2255
2256#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2257# include <limits.h>
2258#endif
2259/* Included values.h above if necessary; still including limits.h down here,
2260 * despite doing above, because math.h might have overridden... XXX - Allen */
2261
2262/*
2263 * Try to figure out max and min values for the integral types. THE CORRECT
2264 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2265 * following hacks are used if neither limits.h or values.h provide them:
2266 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2267 * for types < int: (unsigned TYPE)~(unsigned)0
2268 * The argument to ~ must be unsigned so that later signed->unsigned
2269 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2270 * and it must not be smaller than int because ~ does integral promotion.
2271 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2272 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2273 * The latter is a hack which happens to work on some machines but
2274 * does *not* catch any random system, or things like integer types
2275 * with NaN if that is possible.
2276 *
2277 * All of the types are explicitly cast to prevent accidental loss of
2278 * numeric range, and in the hope that they will be less likely to confuse
2279 * over-eager optimizers.
2280 *
2281 */
2282
2283#define PERL_UCHAR_MIN ((unsigned char)0)
2284
2285#ifdef UCHAR_MAX
2286# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
2287#else
2288# ifdef MAXUCHAR
2289# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
2290# else
2291# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
2292# endif
2293#endif
2294
2295/*
2296 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2297 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2298 * depending on local options. Until Configure detects this (or at least
2299 * detects whether the "signed" keyword is available) the CHAR ranges
2300 * will not be included. UCHAR functions normally.
2301 * - kja
2302 */
2303
2304#define PERL_USHORT_MIN ((unsigned short)0)
2305
2306#ifdef USHORT_MAX
2307# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
2308#else
2309# ifdef MAXUSHORT
2310# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
2311# else
2312# ifdef USHRT_MAX
2313# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2314# else
2315# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2316# endif
2317# endif
2318#endif
2319
2320#ifdef SHORT_MAX
2321# define PERL_SHORT_MAX ((short)SHORT_MAX)
2322#else
2323# ifdef MAXSHORT /* Often used in <values.h> */
2324# define PERL_SHORT_MAX ((short)MAXSHORT)
2325# else
2326# ifdef SHRT_MAX
2327# define PERL_SHORT_MAX ((short)SHRT_MAX)
2328# else
2329# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2330# endif
2331# endif
2332#endif
2333
2334#ifdef SHORT_MIN
2335# define PERL_SHORT_MIN ((short)SHORT_MIN)
2336#else
2337# ifdef MINSHORT
2338# define PERL_SHORT_MIN ((short)MINSHORT)
2339# else
2340# ifdef SHRT_MIN
2341# define PERL_SHORT_MIN ((short)SHRT_MIN)
2342# else
2343# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2344# endif
2345# endif
2346#endif
2347
2348#ifdef UINT_MAX
2349# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
2350#else
2351# ifdef MAXUINT
2352# define PERL_UINT_MAX ((unsigned int)MAXUINT)
2353# else
2354# define PERL_UINT_MAX (~(unsigned int)0)
2355# endif
2356#endif
2357
2358#define PERL_UINT_MIN ((unsigned int)0)
2359
2360#ifdef INT_MAX
2361# define PERL_INT_MAX ((int)INT_MAX)
2362#else
2363# ifdef MAXINT /* Often used in <values.h> */
2364# define PERL_INT_MAX ((int)MAXINT)
2365# else
2366# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
2367# endif
2368#endif
2369
2370#ifdef INT_MIN
2371# define PERL_INT_MIN ((int)INT_MIN)
2372#else
2373# ifdef MININT
2374# define PERL_INT_MIN ((int)MININT)
2375# else
2376# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2377# endif
2378#endif
2379
2380#ifdef ULONG_MAX
2381# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
2382#else
2383# ifdef MAXULONG
2384# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
2385# else
2386# define PERL_ULONG_MAX (~(unsigned long)0)
2387# endif
2388#endif
2389
2390#define PERL_ULONG_MIN ((unsigned long)0L)
2391
2392#ifdef LONG_MAX
2393# define PERL_LONG_MAX ((long)LONG_MAX)
2394#else
2395# ifdef MAXLONG /* Often used in <values.h> */
2396# define PERL_LONG_MAX ((long)MAXLONG)
2397# else
2398# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
2399# endif
2400#endif
2401
2402#ifdef LONG_MIN
2403# define PERL_LONG_MIN ((long)LONG_MIN)
2404#else
2405# ifdef MINLONG
2406# define PERL_LONG_MIN ((long)MINLONG)
2407# else
2408# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
2409# endif
2410#endif
2411
2412#ifdef UV_IS_QUAD
2413
2414# define PERL_UQUAD_MAX (~(UV)0)
2415# define PERL_UQUAD_MIN ((UV)0)
2416# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
2417# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
2418
2419#endif
2420
2421struct RExC_state_t;
2422struct _reg_trie_data;
2423
2424typedef MEM_SIZE STRLEN;
2425
2426#ifdef PERL_MAD
2427typedef struct token TOKEN;
2428typedef struct madprop MADPROP;
2429typedef struct nexttoken NEXTTOKE;
2430#endif
2431typedef struct op OP;
2432typedef struct cop COP;
2433typedef struct unop UNOP;
2434typedef struct binop BINOP;
2435typedef struct listop LISTOP;
2436typedef struct logop LOGOP;
2437typedef struct pmop PMOP;
2438typedef struct svop SVOP;
2439typedef struct padop PADOP;
2440typedef struct pvop PVOP;
2441typedef struct loop LOOP;
2442
2443#ifdef PERL_CORE
2444typedef struct opslab OPSLAB;
2445typedef struct opslot OPSLOT;
2446#endif
2447
2448typedef struct block_hooks BHK;
2449typedef struct custom_op XOP;
2450
2451typedef struct interpreter PerlInterpreter;
2452
2453/* SGI's <sys/sema.h> has struct sv */
2454#if defined(__sgi)
2455# define STRUCT_SV perl_sv
2456#else
2457# define STRUCT_SV sv
2458#endif
2459typedef struct STRUCT_SV SV;
2460typedef struct av AV;
2461typedef struct hv HV;
2462typedef struct cv CV;
2463typedef struct p5rx REGEXP;
2464typedef struct gp GP;
2465typedef struct gv GV;
2466typedef struct io IO;
2467typedef struct context PERL_CONTEXT;
2468typedef struct block BLOCK;
2469
2470typedef struct magic MAGIC;
2471typedef struct xpv XPV;
2472typedef struct xpviv XPVIV;
2473typedef struct xpvuv XPVUV;
2474typedef struct xpvnv XPVNV;
2475typedef struct xpvmg XPVMG;
2476typedef struct xpvlv XPVLV;
2477typedef struct xpvav XPVAV;
2478typedef struct xpvhv XPVHV;
2479typedef struct xpvgv XPVGV;
2480typedef struct xpvcv XPVCV;
2481typedef struct xpvbm XPVBM;
2482typedef struct xpvfm XPVFM;
2483typedef struct xpvio XPVIO;
2484typedef struct mgvtbl MGVTBL;
2485typedef union any ANY;
2486typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2487typedef struct ptr_tbl PTR_TBL_t;
2488typedef struct clone_params CLONE_PARAMS;
2489
2490/* a pad or name pad is currently just an AV; but that might change,
2491 * so hide the type. */
2492typedef struct padlist PADLIST;
2493typedef AV PAD;
2494typedef AV PADNAMELIST;
2495typedef SV PADNAME;
2496
2497#include "handy.h"
2498
2499#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
2500# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2501# define USE_64_BIT_RAWIO /* implicit */
2502# endif
2503#endif
2504
2505/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2506 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2507 * however, because operating systems like to do that themself. */
2508#ifndef FSEEKSIZE
2509# ifdef HAS_FSEEKO
2510# define FSEEKSIZE LSEEKSIZE
2511# else
2512# define FSEEKSIZE LONGSIZE
2513# endif
2514#endif
2515
2516#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
2517# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2518# define USE_64_BIT_STDIO /* implicit */
2519# endif
2520#endif
2521
2522#ifdef USE_64_BIT_RAWIO
2523# ifdef HAS_OFF64_T
2524# undef Off_t
2525# define Off_t off64_t
2526# undef LSEEKSIZE
2527# define LSEEKSIZE 8
2528# endif
2529/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2530 * will trigger defines like the ones below. Some 64-bit environments,
2531 * however, do not. Therefore we have to explicitly mix and match. */
2532# if defined(USE_OPEN64)
2533# define open open64
2534# endif
2535# if defined(USE_LSEEK64)
2536# define lseek lseek64
2537# else
2538# if defined(USE_LLSEEK)
2539# define lseek llseek
2540# endif
2541# endif
2542# if defined(USE_STAT64)
2543# define stat stat64
2544# endif
2545# if defined(USE_FSTAT64)
2546# define fstat fstat64
2547# endif
2548# if defined(USE_LSTAT64)
2549# define lstat lstat64
2550# endif
2551# if defined(USE_FLOCK64)
2552# define flock flock64
2553# endif
2554# if defined(USE_LOCKF64)
2555# define lockf lockf64
2556# endif
2557# if defined(USE_FCNTL64)
2558# define fcntl fcntl64
2559# endif
2560# if defined(USE_TRUNCATE64)
2561# define truncate truncate64
2562# endif
2563# if defined(USE_FTRUNCATE64)
2564# define ftruncate ftruncate64
2565# endif
2566#endif
2567
2568#ifdef USE_64_BIT_STDIO
2569# ifdef HAS_FPOS64_T
2570# undef Fpos_t
2571# define Fpos_t fpos64_t
2572# endif
2573/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2574 * will trigger defines like the ones below. Some 64-bit environments,
2575 * however, do not. */
2576# if defined(USE_FOPEN64)
2577# define fopen fopen64
2578# endif
2579# if defined(USE_FSEEK64)
2580# define fseek fseek64 /* don't do fseeko here, see perlio.c */
2581# endif
2582# if defined(USE_FTELL64)
2583# define ftell ftell64 /* don't do ftello here, see perlio.c */
2584# endif
2585# if defined(USE_FSETPOS64)
2586# define fsetpos fsetpos64
2587# endif
2588# if defined(USE_FGETPOS64)
2589# define fgetpos fgetpos64
2590# endif
2591# if defined(USE_TMPFILE64)
2592# define tmpfile tmpfile64
2593# endif
2594# if defined(USE_FREOPEN64)
2595# define freopen freopen64
2596# endif
2597#endif
2598
2599#if defined(OS2)
2600# include "iperlsys.h"
2601#endif
2602
2603#ifdef DOSISH
2604# if defined(OS2)
2605# include "os2ish.h"
2606# else
2607# include "dosish.h"
2608# endif
2609# define ISHISH "dos"
2610#endif
2611
2612#if defined(VMS)
2613# include "vmsish.h"
2614# define ISHISH "vms"
2615#endif
2616
2617#if defined(PLAN9)
2618# include "./plan9/plan9ish.h"
2619# define ISHISH "plan9"
2620#endif
2621
2622#if defined(__VOS__)
2623# ifdef __GNUC__
2624# include "./vos/vosish.h"
2625# else
2626# include "vos/vosish.h"
2627# endif
2628# define ISHISH "vos"
2629#endif
2630
2631#ifdef __SYMBIAN32__
2632# include "symbian/symbianish.h"
2633# define ISHISH "symbian"
2634#endif
2635
2636
2637#if defined(__HAIKU__)
2638# include "haiku/haikuish.h"
2639# define ISHISH "haiku"
2640#elif defined(__BEOS__)
2641# include "beos/beosish.h"
2642# define ISHISH "beos"
2643#endif
2644
2645#ifndef ISHISH
2646# include "unixish.h"
2647# define ISHISH "unix"
2648#endif
2649
2650/* NSIG logic from Configure --> */
2651/* Strange style to avoid deeply-nested #if/#else/#endif */
2652#ifndef NSIG
2653# ifdef _NSIG
2654# define NSIG (_NSIG)
2655# endif
2656#endif
2657
2658#ifndef NSIG
2659# ifdef SIGMAX
2660# define NSIG (SIGMAX+1)
2661# endif
2662#endif
2663
2664#ifndef NSIG
2665# ifdef SIG_MAX
2666# define NSIG (SIG_MAX+1)
2667# endif
2668#endif
2669
2670#ifndef NSIG
2671# ifdef _SIG_MAX
2672# define NSIG (_SIG_MAX+1)
2673# endif
2674#endif
2675
2676#ifndef NSIG
2677# ifdef MAXSIG
2678# define NSIG (MAXSIG+1)
2679# endif
2680#endif
2681
2682#ifndef NSIG
2683# ifdef MAX_SIG
2684# define NSIG (MAX_SIG+1)
2685# endif
2686#endif
2687
2688#ifndef NSIG
2689# ifdef SIGARRAYSIZE
2690# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2691# endif
2692#endif
2693
2694#ifndef NSIG
2695# ifdef _sys_nsig
2696# define NSIG (_sys_nsig) /* Solaris 2.5 */
2697# endif
2698#endif
2699
2700/* Default to some arbitrary number that's big enough to get most
2701 of the common signals.
2702*/
2703#ifndef NSIG
2704# define NSIG 50
2705#endif
2706/* <-- NSIG logic from Configure */
2707
2708#ifndef NO_ENVIRON_ARRAY
2709# define USE_ENVIRON_ARRAY
2710#endif
2711
2712/*
2713 * initialise to avoid floating-point exceptions from overflow, etc
2714 */
2715#ifndef PERL_FPU_INIT
2716# ifdef HAS_FPSETMASK
2717# if HAS_FLOATINGPOINT_H
2718# include <floatingpoint.h>
2719# endif
2720/* Some operating systems have this as a macro, which in turn expands to a comma
2721 expression, and the last sub-expression is something that gets calculated,
2722 and then they have the gall to warn that a value computed is not used. Hence
2723 cast to void. */
2724# define PERL_FPU_INIT (void)fpsetmask(0)
2725# else
2726# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
2727# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
2728# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2729# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
2730# else
2731# define PERL_FPU_INIT
2732
2733# endif
2734# endif
2735#endif
2736#ifndef PERL_FPU_PRE_EXEC
2737# define PERL_FPU_PRE_EXEC {
2738# define PERL_FPU_POST_EXEC }
2739#endif
2740
2741#ifndef PERL_SYS_INIT3_BODY
2742# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
2743#endif
2744
2745/*
2746=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
2747Provides system-specific tune up of the C runtime environment necessary to
2748run Perl interpreters. This should be called only once, before creating
2749any Perl interpreters.
2750
2751=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
2752Provides system-specific tune up of the C runtime environment necessary to
2753run Perl interpreters. This should be called only once, before creating
2754any Perl interpreters.
2755
2756=for apidoc Am|void|PERL_SYS_TERM|
2757Provides system-specific clean up of the C runtime environment after
2758running Perl interpreters. This should be called only once, after
2759freeing any remaining Perl interpreters.
2760
2761=cut
2762 */
2763
2764#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2765#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
2766#define PERL_SYS_TERM() Perl_sys_term()
2767
2768#ifndef PERL_WRITE_MSG_TO_CONSOLE
2769# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2770#endif
2771
2772#ifndef MAXPATHLEN
2773# ifdef PATH_MAX
2774# ifdef _POSIX_PATH_MAX
2775# if PATH_MAX > _POSIX_PATH_MAX
2776/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2777 * included the null byte or not. Later amendments of POSIX,
2778 * XPG4, the Austin Group, and the Single UNIX Specification
2779 * all explicitly include the null byte in the PATH_MAX.
2780 * Ditto for _POSIX_PATH_MAX. */
2781# define MAXPATHLEN PATH_MAX
2782# else
2783# define MAXPATHLEN _POSIX_PATH_MAX
2784# endif
2785# else
2786# define MAXPATHLEN (PATH_MAX+1)
2787# endif
2788# else
2789# define MAXPATHLEN 1024 /* Err on the large side. */
2790# endif
2791#endif
2792
2793/* In case Configure was not used (we are using a "canned config"
2794 * such as Win32, or a cross-compilation setup, for example) try going
2795 * by the gcc major and minor versions. One useful URL is
2796 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2797 * but contrary to this information warn_unused_result seems
2798 * not to be in gcc 3.3.5, at least. --jhi
2799 * Also, when building extensions with an installed perl, this allows
2800 * the user to upgrade gcc and get the right attributes, rather than
2801 * relying on the list generated at Configure time. --AD
2802 * Set these up now otherwise we get confused when some of the <*thread.h>
2803 * includes below indirectly pull in <perlio.h> (which needs to know if we
2804 * have HASATTRIBUTE_FORMAT).
2805 */
2806
2807#ifndef PERL_MICRO
2808#if defined __GNUC__ && !defined(__INTEL_COMPILER)
2809# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2810# define HASATTRIBUTE_DEPRECATED
2811# endif
2812# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2813# define HASATTRIBUTE_FORMAT
2814# if defined __MINGW32__
2815# define PRINTF_FORMAT_NULL_OK
2816# endif
2817# endif
2818# if __GNUC__ >= 3 /* 3.0 -> */
2819# define HASATTRIBUTE_MALLOC
2820# endif
2821# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2822# define HASATTRIBUTE_NONNULL
2823# endif
2824# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2825# define HASATTRIBUTE_NORETURN
2826# endif
2827# if __GNUC__ >= 3 /* gcc 3.0 -> */
2828# define HASATTRIBUTE_PURE
2829# endif
2830# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2831# define HASATTRIBUTE_UNUSED
2832# endif
2833# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2834# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2835# endif
2836# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2837# define HASATTRIBUTE_WARN_UNUSED_RESULT
2838# endif
2839#endif
2840#endif /* #ifndef PERL_MICRO */
2841
2842/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
2843 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
2844 * this results in many functions being undeclared which bothers C++
2845 * May make sense to have threads after "*ish.h" anyway
2846 */
2847
2848#if defined(USE_ITHREADS)
2849# ifdef NETWARE
2850# include <nw5thread.h>
2851# else
2852# ifdef FAKE_THREADS
2853# include "fakethr.h"
2854# else
2855# ifdef WIN32
2856# include <win32thread.h>
2857# else
2858# ifdef OS2
2859# include "os2thread.h"
2860# else
2861# ifdef I_MACH_CTHREADS
2862# include <mach/cthreads.h>
2863# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
2864# define MUTEX_INIT_CALLS_MALLOC
2865# endif
2866typedef cthread_t perl_os_thread;
2867typedef mutex_t perl_mutex;
2868typedef condition_t perl_cond;
2869typedef void * perl_key;
2870# else /* Posix threads */
2871# ifdef I_PTHREAD
2872# include <pthread.h>
2873# endif
2874typedef pthread_t perl_os_thread;
2875typedef pthread_mutex_t perl_mutex;
2876typedef pthread_cond_t perl_cond;
2877typedef pthread_key_t perl_key;
2878# endif /* I_MACH_CTHREADS */
2879# endif /* OS2 */
2880# endif /* WIN32 */
2881# endif /* FAKE_THREADS */
2882#endif /* NETWARE */
2883#endif /* USE_ITHREADS */
2884
2885#if defined(WIN32)
2886# include "win32.h"
2887#endif
2888
2889#ifdef NETWARE
2890# include "netware.h"
2891#endif
2892
2893#define STATUS_UNIX PL_statusvalue
2894#ifdef VMS
2895# define STATUS_NATIVE PL_statusvalue_vms
2896/*
2897 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
2898 * its contents can not be trusted. Unfortunately, Perl seems to check
2899 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2900 * be updated also.
2901 */
2902# include <stsdef.h>
2903# include <ssdef.h>
2904/* Presume this because if VMS changes it, it will require a new
2905 * set of APIs for waiting on children for binary compatibility.
2906 */
2907# define child_offset_bits (8)
2908# ifndef C_FAC_POSIX
2909# define C_FAC_POSIX 0x35A000
2910# endif
2911
2912/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2913 * platform from the existing UNIX or Native status values.
2914 */
2915
2916# define STATUS_EXIT \
2917 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2918 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2919
2920
2921/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2922 * exit code and shifts the UNIX value over the correct number of bits to
2923 * be a child status. Usually the number of bits is 8, but that could be
2924 * platform dependent. The NATIVE status code is presumed to have either
2925 * from a child process.
2926 */
2927
2928/* This is complicated. The child processes return a true native VMS
2929 status which must be saved. But there is an assumption in Perl that
2930 the UNIX child status has some relationship to errno values, so
2931 Perl tries to translate it to text in some of the tests.
2932 In order to get the string translation correct, for the error, errno
2933 must be EVMSERR, but that generates a different text message
2934 than what the test programs are expecting. So an errno value must
2935 be derived from the native status value when an error occurs.
2936 That will hide the true native status message. With this version of
2937 perl, the true native child status can always be retrieved so that
2938 is not a problem. But in this case, Pl_statusvalue and errno may
2939 have different values in them.
2940 */
2941
2942# define STATUS_NATIVE_CHILD_SET(n) \
2943 STMT_START { \
2944 I32 evalue = (I32)n; \
2945 if (evalue == EVMSERR) { \
2946 PL_statusvalue_vms = vaxc$errno; \
2947 PL_statusvalue = evalue; \
2948 } else { \
2949 PL_statusvalue_vms = evalue; \
2950 if (evalue == -1) { \
2951 PL_statusvalue = -1; \
2952 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2953 } else \
2954 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2955 set_vaxc_errno(evalue); \
2956 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2957 set_errno(EVMSERR); \
2958 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2959 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2960 } \
2961 } STMT_END
2962
2963# ifdef VMSISH_STATUS
2964# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
2965# else
2966# define STATUS_CURRENT STATUS_UNIX
2967# endif
2968
2969 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2970 * the NATIVE status to an equivalent value. Can not be used to translate
2971 * exit code values as exit code values are not guaranteed to have any
2972 * relationship at all to errno values.
2973 * This is used when Perl is forcing errno to have a specific value.
2974 */
2975# define STATUS_UNIX_SET(n) \
2976 STMT_START { \
2977 I32 evalue = (I32)n; \
2978 PL_statusvalue = evalue; \
2979 if (PL_statusvalue != -1) { \
2980 if (PL_statusvalue != EVMSERR) { \
2981 PL_statusvalue &= 0xFFFF; \
2982 if (MY_POSIX_EXIT) \
2983 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2984 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2985 } \
2986 else { \
2987 PL_statusvalue_vms = vaxc$errno; \
2988 } \
2989 } \
2990 else PL_statusvalue_vms = SS$_ABORT; \
2991 set_vaxc_errno(PL_statusvalue_vms); \
2992 } STMT_END
2993
2994 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2995 * the NATIVE error status based on it.
2996 *
2997 * When in the default mode to comply with the Perl VMS documentation,
2998 * 0 is a success and any other code sets the NATIVE status to a failure
2999 * code of SS$_ABORT.
3000 *
3001 * In the new POSIX EXIT mode, native status will be set so that the
3002 * actual exit code will can be retrieved by the calling program or
3003 * shell.
3004 *
3005 * If the exit code is not clearly a UNIX parent or child exit status,
3006 * it will be passed through as a VMS status.
3007 */
3008
3009# define STATUS_UNIX_EXIT_SET(n) \
3010 STMT_START { \
3011 I32 evalue = (I32)n; \
3012 PL_statusvalue = evalue; \
3013 if (MY_POSIX_EXIT) { \
3014 if (evalue <= 0xFF00) { \
3015 if (evalue > 0xFF) \
3016 evalue = (evalue >> child_offset_bits) & 0xFF; \
3017 PL_statusvalue_vms = \
3018 (C_FAC_POSIX | (evalue << 3 ) | \
3019 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3020 } else /* forgive them Perl, for they have sinned */ \
3021 PL_statusvalue_vms = evalue; \
3022 } else { \
3023 if (evalue == 0) \
3024 PL_statusvalue_vms = SS$_NORMAL; \
3025 else if (evalue <= 0xFF00) \
3026 PL_statusvalue_vms = SS$_ABORT; \
3027 else { /* forgive them Perl, for they have sinned */ \
3028 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3029 else PL_statusvalue_vms = vaxc$errno; \
3030 /* And obviously used a VMS status value instead of UNIX */ \
3031 PL_statusvalue = EVMSERR; \
3032 } \
3033 set_vaxc_errno(PL_statusvalue_vms); \
3034 } \
3035 } STMT_END
3036
3037
3038 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3039 * and sets the NATIVE error status based on it. This special case
3040 * is needed to maintain compatibility with past VMS behavior.
3041 *
3042 * In the default mode on VMS, this number is passed through as
3043 * both the NATIVE and UNIX status. Which makes it different
3044 * that the STATUS_UNIX_EXIT_SET.
3045 *
3046 * In the new POSIX EXIT mode, native status will be set so that the
3047 * actual exit code will can be retrieved by the calling program or
3048 * shell.
3049 *
3050 * A POSIX exit code is from 0 to 255. If the exit code is higher
3051 * than this, it needs to be assumed that it is a VMS exit code and
3052 * passed through.
3053 */
3054
3055# define STATUS_EXIT_SET(n) \
3056 STMT_START { \
3057 I32 evalue = (I32)n; \
3058 PL_statusvalue = evalue; \
3059 if (MY_POSIX_EXIT) \
3060 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3061 PL_statusvalue_vms = \
3062 (C_FAC_POSIX | (evalue << 3 ) | \
3063 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
3064 else \
3065 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3066 set_vaxc_errno(PL_statusvalue_vms); \
3067 } STMT_END
3068
3069
3070 /* This macro forces a success status */
3071# define STATUS_ALL_SUCCESS \
3072 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
3073
3074 /* This macro forces a failure status */
3075# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3076 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3077 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
3078
3079#else
3080# define STATUS_NATIVE PL_statusvalue_posix
3081# if defined(WCOREDUMP)
3082# define STATUS_NATIVE_CHILD_SET(n) \
3083 STMT_START { \
3084 PL_statusvalue_posix = (n); \
3085 if (PL_statusvalue_posix == -1) \
3086 PL_statusvalue = -1; \
3087 else { \
3088 PL_statusvalue = \
3089 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3090 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3091 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3092 } \
3093 } STMT_END
3094# elif defined(WIFEXITED)
3095# define STATUS_NATIVE_CHILD_SET(n) \
3096 STMT_START { \
3097 PL_statusvalue_posix = (n); \
3098 if (PL_statusvalue_posix == -1) \
3099 PL_statusvalue = -1; \
3100 else { \
3101 PL_statusvalue = \
3102 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3103 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3104 } \
3105 } STMT_END
3106# else
3107# define STATUS_NATIVE_CHILD_SET(n) \
3108 STMT_START { \
3109 PL_statusvalue_posix = (n); \
3110 if (PL_statusvalue_posix == -1) \
3111 PL_statusvalue = -1; \
3112 else { \
3113 PL_statusvalue = \
3114 PL_statusvalue_posix & 0xFFFF; \
3115 } \
3116 } STMT_END
3117# endif
3118# define STATUS_UNIX_SET(n) \
3119 STMT_START { \
3120 PL_statusvalue = (n); \
3121 if (PL_statusvalue != -1) \
3122 PL_statusvalue &= 0xFFFF; \
3123 } STMT_END
3124# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3125# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3126# define STATUS_CURRENT STATUS_UNIX
3127# define STATUS_EXIT STATUS_UNIX
3128# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3129# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3130#endif
3131
3132/* flags in PL_exit_flags for nature of exit() */
3133#define PERL_EXIT_EXPECTED 0x01
3134#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
3135
3136#ifndef PERL_CORE
3137/* format to use for version numbers in file/directory names */
3138/* XXX move to Configure? */
3139/* This was only ever used for the current version, and that can be done at
3140 compile time, as PERL_FS_VERSION, so should we just delete it? */
3141# ifndef PERL_FS_VER_FMT
3142# define PERL_FS_VER_FMT "%d.%d.%d"
3143# endif
3144#endif
3145
3146#ifndef PERL_FS_VERSION
3147# define PERL_FS_VERSION PERL_VERSION_STRING
3148#endif
3149
3150/* This defines a way to flush all output buffers. This may be a
3151 * performance issue, so we allow people to disable it. Also, if
3152 * we are using stdio, there are broken implementations of fflush(NULL)
3153 * out there, Solaris being the most prominent.
3154 */
3155#ifndef PERL_FLUSHALL_FOR_CHILD
3156# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
3157# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
3158# else
3159# ifdef FFLUSH_ALL
3160# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
3161# else
3162# define PERL_FLUSHALL_FOR_CHILD NOOP
3163# endif
3164# endif
3165#endif
3166
3167#ifndef PERL_WAIT_FOR_CHILDREN
3168# define PERL_WAIT_FOR_CHILDREN NOOP
3169#endif
3170
3171/* the traditional thread-unsafe notion of "current interpreter". */
3172#ifndef PERL_SET_INTERP
3173# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3174#endif
3175
3176#ifndef PERL_GET_INTERP
3177# define PERL_GET_INTERP (PL_curinterp)
3178#endif
3179
3180#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
3181# ifdef MULTIPLICITY
3182# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
3183# endif
3184# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3185#endif
3186
3187/*
3188 This replaces the previous %_ "hack" by the "%p" hacks.
3189 All that is required is that the perl source does not
3190 use "%-p" or "%-<number>p" or "%<number>p" formats.
3191 These formats will still work in perl code.
3192 See comments in sv.c for further details.
3193
3194 Robin Barker 2005-07-14
3195
3196 No longer use %1p for VDf = %vd. RMB 2007-10-19
3197*/
3198
3199#ifndef SVf_
3200# define SVf_(n) "-" STRINGIFY(n) "p"
3201#endif
3202
3203#ifndef SVf
3204# define SVf "-p"
3205#endif
3206
3207#ifndef SVf32
3208# define SVf32 SVf_(32)
3209#endif
3210
3211#ifndef SVf256
3212# define SVf256 SVf_(256)
3213#endif
3214
3215#define SVfARG(p) ((void*)(p))
3216
3217#ifndef HEKf
3218# define HEKf "2p"
3219#endif
3220
3221/* Not ideal, but we cannot easily include a number in an already-numeric
3222 * format sequence. */
3223#ifndef HEKf256
3224# define HEKf256 "3p"
3225#endif
3226
3227#define HEKfARG(p) ((void*)(p))
3228
3229#ifdef PERL_CORE
3230/* not used; but needed for backward compatibility with XS code? - RMB */
3231# undef VDf
3232#else
3233# ifndef VDf
3234# define VDf "vd"
3235# endif
3236#endif
3237
3238#ifdef PERL_CORE
3239/* not used; but needed for backward compatibility with XS code? - RMB */
3240# undef UVf
3241#else
3242# ifndef UVf
3243# define UVf UVuf
3244# endif
3245#endif
3246
3247#ifdef HASATTRIBUTE_DEPRECATED
3248# define __attribute__deprecated__ __attribute__((deprecated))
3249#endif
3250#ifdef HASATTRIBUTE_FORMAT
3251# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3252#endif
3253#ifdef HASATTRIBUTE_MALLOC
3254# define __attribute__malloc__ __attribute__((__malloc__))
3255#endif
3256#ifdef HASATTRIBUTE_NONNULL
3257# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
3258#endif
3259#ifdef HASATTRIBUTE_NORETURN
3260# define __attribute__noreturn__ __attribute__((noreturn))
3261#endif
3262#ifdef HASATTRIBUTE_PURE
3263# define __attribute__pure__ __attribute__((pure))
3264#endif
3265#ifdef HASATTRIBUTE_UNUSED
3266# define __attribute__unused__ __attribute__((unused))
3267#endif
3268#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
3269# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
3270#endif
3271
3272/* If we haven't defined the attributes yet, define them to blank. */
3273#ifndef __attribute__deprecated__
3274# define __attribute__deprecated__
3275#endif
3276#ifndef __attribute__format__
3277# define __attribute__format__(x,y,z)
3278#endif
3279#ifndef __attribute__malloc__
3280# define __attribute__malloc__
3281#endif
3282#ifndef __attribute__nonnull__
3283# define __attribute__nonnull__(a)
3284#endif
3285#ifndef __attribute__noreturn__
3286# define __attribute__noreturn__
3287#endif
3288#ifndef __attribute__pure__
3289# define __attribute__pure__
3290#endif
3291#ifndef __attribute__unused__
3292# define __attribute__unused__
3293#endif
3294#ifndef __attribute__warn_unused_result__
3295# define __attribute__warn_unused_result__
3296#endif
3297
3298/* For functions that are marked as __attribute__noreturn__, it's not
3299 appropriate to call return. In either case, include the lint directive.
3300 */
3301#ifdef HASATTRIBUTE_NORETURN
3302# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
3303#else
3304# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
3305#endif
3306
3307/* Some OS warn on NULL format to printf */
3308#ifdef PRINTF_FORMAT_NULL_OK
3309# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3310#else
3311# define __attribute__format__null_ok__(x,y,z)
3312#endif
3313
3314#ifdef HAS_BUILTIN_EXPECT
3315# define EXPECT(expr,val) __builtin_expect(expr,val)
3316#else
3317# define EXPECT(expr,val) (expr)
3318#endif
3319#define LIKELY(cond) EXPECT(cond,1)
3320#define UNLIKELY(cond) EXPECT(cond,0)
3321#ifdef HAS_BUILTIN_CHOOSE_EXPR
3322/* placeholder */
3323#endif
3324
3325/* Some unistd.h's give a prototype for pause() even though
3326 HAS_PAUSE ends up undefined. This causes the #define
3327 below to be rejected by the compiler. Sigh.
3328*/
3329#ifdef HAS_PAUSE
3330#define Pause pause
3331#else
3332#define Pause() sleep((32767<<16)+32767)
3333#endif
3334
3335#ifndef IOCPARM_LEN
3336# ifdef IOCPARM_MASK
3337 /* on BSDish systems we're safe */
3338# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3339# else
3340# if defined(_IOC_SIZE) && defined(__GLIBC__)
3341 /* on Linux systems we're safe; except when we're not [perl #38223] */
3342# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
3343# else
3344 /* otherwise guess at what's safe */
3345# define IOCPARM_LEN(x) 256
3346# endif
3347# endif
3348#endif
3349
3350#if defined(__CYGWIN__)
3351/* USEMYBINMODE
3352 * This symbol, if defined, indicates that the program should
3353 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
3354 * that a file is in "binary" mode -- that is, that no translation
3355 * of bytes occurs on read or write operations.
3356 */
3357# define USEMYBINMODE /**/
3358# include <io.h> /* for setmode() prototype */
3359# define my_binmode(fp, iotype, mode) \
3360 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
3361#endif
3362
3363#ifdef __CYGWIN__
3364void init_os_extras(void);
3365#endif
3366
3367#ifdef UNION_ANY_DEFINITION
3368UNION_ANY_DEFINITION;
3369#else
3370union any {
3371 void* any_ptr;
3372 I32 any_i32;
3373 IV any_iv;
3374 UV any_uv;
3375 long any_long;
3376 bool any_bool;
3377 void (*any_dptr) (void*);
3378 void (*any_dxptr) (pTHX_ void*);
3379};
3380#endif
3381
3382typedef I32 (*filter_t) (pTHX_ int, SV *, int);
3383
3384#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3385#define FILTER_DATA(idx) \
3386 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3387#define FILTER_ISREADER(idx) \
3388 (PL_parser && PL_parser->rsfp_filters \
3389 && idx >= AvFILLp(PL_parser->rsfp_filters))
3390#define PERL_FILTER_EXISTS(i) \
3391 (PL_parser && PL_parser->rsfp_filters \
3392 && (i) <= av_len(PL_parser->rsfp_filters))
3393
3394#if defined(_AIX) && !defined(_AIX43)
3395#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3396/* We cannot include <crypt.h> to get the struct crypt_data
3397 * because of setkey prototype problems when threading */
3398typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3399 /* From OSF, Not needed in AIX
3400 char C[28], D[28];
3401 */
3402 char E[48];
3403 char KS[16][48];
3404 char block[66];
3405 char iobuf[16];
3406} CRYPTD;
3407#endif /* threading */
3408#endif /* AIX */
3409
3410#if !defined(OS2)
3411# include "iperlsys.h"
3412#endif
3413
3414#ifdef __LIBCATAMOUNT__
3415#undef HAS_PASSWD /* unixish.h but not unixish enough. */
3416#undef HAS_GROUP
3417#define FAKE_BIT_BUCKET
3418#endif
3419
3420/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3421 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3422 * defined by Configure, despite their names being similar to the
3423 * other defines like USE_ITHREADS. Configure in fact knows nothing
3424 * about the randomised hashes. Therefore to enable/disable the hash
3425 * randomisation defines use the Configure -Accflags=... instead. */
3426#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
3427# define USE_HASH_SEED
3428#endif
3429
3430/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3431 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3432 * it's not really needed.
3433 */
3434#if defined(WIN32)
3435# define YYTOKENTYPE
3436#endif
3437#include "perly.h"
3438
3439#ifdef PERL_MAD
3440struct nexttoken {
3441 YYSTYPE next_val; /* value of next token, if any */
3442 I32 next_type; /* type of next token */
3443 MADPROP *next_mad; /* everything else about that token */
3444};
3445#endif
3446
3447/* macros to define bit-fields in structs. */
3448#ifndef PERL_BITFIELD8
3449# define PERL_BITFIELD8 unsigned
3450#endif
3451#ifndef PERL_BITFIELD16
3452# define PERL_BITFIELD16 unsigned
3453#endif
3454#ifndef PERL_BITFIELD32
3455# define PERL_BITFIELD32 unsigned
3456#endif
3457
3458#include "sv.h"
3459#include "regexp.h"
3460#include "util.h"
3461#include "form.h"
3462#include "gv.h"
3463#include "pad.h"
3464#include "cv.h"
3465#include "opnames.h"
3466#include "op.h"
3467#include "hv.h"
3468#include "cop.h"
3469#include "av.h"
3470#include "mg.h"
3471#include "scope.h"
3472#include "warnings.h"
3473#include "utf8.h"
3474
3475/* these would be in doio.h if there was such a file */
3476#define my_stat() my_stat_flags(SV_GMAGIC)
3477#define my_lstat() my_lstat_flags(SV_GMAGIC)
3478
3479/* defined in sv.c, but also used in [ach]v.c */
3480#undef _XPV_HEAD
3481#undef _XPVMG_HEAD
3482#undef _XPVCV_COMMON
3483
3484typedef struct _sublex_info SUBLEXINFO;
3485struct _sublex_info {
3486 U8 super_state; /* lexer state to save */
3487 U16 sub_inwhat; /* "lex_inwhat" to use */
3488 OP *sub_op; /* "lex_op" to use */
3489 SV *repl; /* replacement of s/// or y/// */
3490};
3491
3492#include "parser.h"
3493
3494typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
3495
3496struct scan_data_t; /* Used in S_* functions in regcomp.c */
3497struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
3498
3499struct ptr_tbl_ent {
3500 struct ptr_tbl_ent* next;
3501 const void* oldval;
3502 void* newval;
3503};
3504
3505struct ptr_tbl {
3506 struct ptr_tbl_ent** tbl_ary;
3507 UV tbl_max;
3508 UV tbl_items;
3509 struct ptr_tbl_arena *tbl_arena;
3510 struct ptr_tbl_ent *tbl_arena_next;
3511 struct ptr_tbl_ent *tbl_arena_end;
3512};
3513
3514#if defined(htonl) && !defined(HAS_HTONL)
3515#define HAS_HTONL
3516#endif
3517#if defined(htons) && !defined(HAS_HTONS)
3518#define HAS_HTONS
3519#endif
3520#if defined(ntohl) && !defined(HAS_NTOHL)
3521#define HAS_NTOHL
3522#endif
3523#if defined(ntohs) && !defined(HAS_NTOHS)
3524#define HAS_NTOHS
3525#endif
3526#ifndef HAS_HTONL
3527#if (BYTEORDER & 0xffff) != 0x4321
3528#define HAS_HTONS
3529#define HAS_HTONL
3530#define HAS_NTOHS
3531#define HAS_NTOHL
3532#define MYSWAP
3533#define htons my_swap
3534#define htonl my_htonl
3535#define ntohs my_swap
3536#define ntohl my_ntohl
3537#endif
3538#else
3539#if (BYTEORDER & 0xffff) == 0x4321
3540#undef HAS_HTONS
3541#undef HAS_HTONL
3542#undef HAS_NTOHS
3543#undef HAS_NTOHL
3544#endif
3545#endif
3546
3547/*
3548 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3549 * -DWS
3550 */
3551#if BYTEORDER != 0x1234
3552# define HAS_VTOHL
3553# define HAS_VTOHS
3554# define HAS_HTOVL
3555# define HAS_HTOVS
3556# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
3557# define vtohl(x) ((((x)&0xFF)<<24) \
3558 +(((x)>>24)&0xFF) \
3559 +(((x)&0x0000FF00)<<8) \
3560 +(((x)&0x00FF0000)>>8) )
3561# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3562# define htovl(x) vtohl(x)
3563# define htovs(x) vtohs(x)
3564# endif
3565 /* otherwise default to functions in util.c */
3566#ifndef htovs
3567short htovs(short n);
3568short vtohs(short n);
3569long htovl(long n);
3570long vtohl(long n);
3571#endif
3572#endif
3573
3574/* *MAX Plus 1. A floating point value.
3575 Hopefully expressed in a way that dodgy floating point can't mess up.
3576 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3577 is added to it
3578 May find that some broken compiler will want the value cast to I32.
3579 [after the shift, as signed >> may not be as secure as unsigned >>]
3580*/
3581#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3582#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3583/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3584 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3585 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3586*/
3587#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
3588
3589#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3590#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3591#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3592
3593/* This may look like unnecessary jumping through hoops, but converting
3594 out of range floating point values to integers *is* undefined behaviour,
3595 and it is starting to bite.
3596*/
3597#ifndef CAST_INLINE
3598#define I_32(what) (cast_i32((NV)(what)))
3599#define U_32(what) (cast_ulong((NV)(what)))
3600#define I_V(what) (cast_iv((NV)(what)))
3601#define U_V(what) (cast_uv((NV)(what)))
3602#else
3603#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3604 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3605 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3606#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3607 : ((n) < U32_MAX_P1 ? (U32) (n) \
3608 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3609#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3610 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3611 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3612#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3613 : ((n) < UV_MAX_P1 ? (UV) (n) \
3614 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3615#endif
3616
3617#define U_S(what) ((U16)U_32(what))
3618#define U_I(what) ((unsigned int)U_32(what))
3619#define U_L(what) U_32(what)
3620
3621#ifdef HAS_SIGNBIT
3622# define Perl_signbit signbit
3623#endif
3624
3625/* These do not care about the fractional part, only about the range. */
3626#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
3627#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
3628
3629/* Used with UV/IV arguments: */
3630 /* XXXX: need to speed it up */
3631#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3632#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3633
3634#ifndef MAXSYSFD
3635# define MAXSYSFD 2
3636#endif
3637
3638#ifndef __cplusplus
3639#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
3640Uid_t getuid (void);
3641Uid_t geteuid (void);
3642Gid_t getgid (void);
3643Gid_t getegid (void);
3644#endif
3645#endif
3646
3647#ifndef Perl_debug_log
3648# define Perl_debug_log PerlIO_stderr()
3649#endif
3650
3651#ifndef Perl_error_log
3652# define Perl_error_log (PL_stderrgv \
3653 && isGV(PL_stderrgv) \
3654 && GvIOp(PL_stderrgv) \
3655 && IoOFP(GvIOp(PL_stderrgv)) \
3656 ? IoOFP(GvIOp(PL_stderrgv)) \
3657 : PerlIO_stderr())
3658#endif
3659
3660
3661#define DEBUG_p_FLAG 0x00000001 /* 1 */
3662#define DEBUG_s_FLAG 0x00000002 /* 2 */
3663#define DEBUG_l_FLAG 0x00000004 /* 4 */
3664#define DEBUG_t_FLAG 0x00000008 /* 8 */
3665#define DEBUG_o_FLAG 0x00000010 /* 16 */
3666#define DEBUG_c_FLAG 0x00000020 /* 32 */
3667#define DEBUG_P_FLAG 0x00000040 /* 64 */
3668#define DEBUG_m_FLAG 0x00000080 /* 128 */
3669#define DEBUG_f_FLAG 0x00000100 /* 256 */
3670#define DEBUG_r_FLAG 0x00000200 /* 512 */
3671#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3672#define DEBUG_u_FLAG 0x00000800 /* 2048 */
3673/* U is reserved for Unofficial, exploratory hacking */
3674#define DEBUG_U_FLAG 0x00001000 /* 4096 */
3675#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3676#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3677#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3678#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3679#define DEBUG_T_FLAG 0x00020000 /* 131072 */
3680#define DEBUG_R_FLAG 0x00040000 /* 262144 */
3681#define DEBUG_J_FLAG 0x00080000 /* 524288 */
3682#define DEBUG_v_FLAG 0x00100000 /*1048576 */
3683#define DEBUG_C_FLAG 0x00200000 /*2097152 */
3684#define DEBUG_A_FLAG 0x00400000 /*4194304 */
3685#define DEBUG_q_FLAG 0x00800000 /*8388608 */
3686#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3687#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3688#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
3689
3690#define DEBUG_DB_RECURSE_FLAG 0x40000000
3691#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3692 that something was done? */
3693
3694# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3695# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3696# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3697# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3698# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3699# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3700# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3701# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3702# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3703# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3704# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3705# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
3706# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
3707# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3708# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3709# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3710# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3711# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3712# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
3713# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
3714# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
3715# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
3716# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3717# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
3718# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
3719# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
3720# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
3721# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
3722# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
3723
3724#ifdef DEBUGGING
3725
3726# define DEBUG_p_TEST DEBUG_p_TEST_
3727# define DEBUG_s_TEST DEBUG_s_TEST_
3728# define DEBUG_l_TEST DEBUG_l_TEST_
3729# define DEBUG_t_TEST DEBUG_t_TEST_
3730# define DEBUG_o_TEST DEBUG_o_TEST_
3731# define DEBUG_c_TEST DEBUG_c_TEST_
3732# define DEBUG_P_TEST DEBUG_P_TEST_
3733# define DEBUG_m_TEST DEBUG_m_TEST_
3734# define DEBUG_f_TEST DEBUG_f_TEST_
3735# define DEBUG_r_TEST DEBUG_r_TEST_
3736# define DEBUG_x_TEST DEBUG_x_TEST_
3737# define DEBUG_u_TEST DEBUG_u_TEST_
3738# define DEBUG_U_TEST DEBUG_U_TEST_
3739# define DEBUG_H_TEST DEBUG_H_TEST_
3740# define DEBUG_X_TEST DEBUG_X_TEST_
3741# define DEBUG_D_TEST DEBUG_D_TEST_
3742# define DEBUG_S_TEST DEBUG_S_TEST_
3743# define DEBUG_T_TEST DEBUG_T_TEST_
3744# define DEBUG_R_TEST DEBUG_R_TEST_
3745# define DEBUG_J_TEST DEBUG_J_TEST_
3746# define DEBUG_v_TEST DEBUG_v_TEST_
3747# define DEBUG_C_TEST DEBUG_C_TEST_
3748# define DEBUG_A_TEST DEBUG_A_TEST_
3749# define DEBUG_q_TEST DEBUG_q_TEST_
3750# define DEBUG_M_TEST DEBUG_M_TEST_
3751# define DEBUG_B_TEST DEBUG_B_TEST_
3752# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3753# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
3754# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
3755
3756# define PERL_DEB(a) a
3757# define PERL_DEBUG(a) if (PL_debug) a
3758# define DEBUG_p(a) if (DEBUG_p_TEST) a
3759# define DEBUG_s(a) if (DEBUG_s_TEST) a
3760# define DEBUG_l(a) if (DEBUG_l_TEST) a
3761# define DEBUG_t(a) if (DEBUG_t_TEST) a
3762# define DEBUG_o(a) if (DEBUG_o_TEST) a
3763# define DEBUG_c(a) if (DEBUG_c_TEST) a
3764# define DEBUG_P(a) if (DEBUG_P_TEST) a
3765
3766 /* Temporarily turn off memory debugging in case the a
3767 * does memory allocation, either directly or indirectly. */
3768# define DEBUG_m(a) \
3769 STMT_START { \
3770 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
3771 } STMT_END
3772
3773# define DEBUG__(t, a) \
3774 STMT_START { \
3775 if (t) STMT_START {a;} STMT_END; \
3776 } STMT_END
3777
3778# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3779#ifndef PERL_EXT_RE_BUILD
3780# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3781#else
3782# define DEBUG_r(a) STMT_START {a;} STMT_END
3783#endif /* PERL_EXT_RE_BUILD */
3784# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3785# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
3786# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
3787# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3788# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3789# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
3790# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3791# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
3792# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
3793
3794# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
3795# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3796# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
3797# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
3798# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
3799# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3800# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
3801# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
3802# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
3803
3804#else /* DEBUGGING */
3805
3806# define DEBUG_p_TEST (0)
3807# define DEBUG_s_TEST (0)
3808# define DEBUG_l_TEST (0)
3809# define DEBUG_t_TEST (0)
3810# define DEBUG_o_TEST (0)
3811# define DEBUG_c_TEST (0)
3812# define DEBUG_P_TEST (0)
3813# define DEBUG_m_TEST (0)
3814# define DEBUG_f_TEST (0)
3815# define DEBUG_r_TEST (0)
3816# define DEBUG_x_TEST (0)
3817# define DEBUG_u_TEST (0)
3818# define DEBUG_U_TEST (0)
3819# define DEBUG_H_TEST (0)
3820# define DEBUG_X_TEST (0)
3821# define DEBUG_D_TEST (0)
3822# define DEBUG_S_TEST (0)
3823# define DEBUG_T_TEST (0)
3824# define DEBUG_R_TEST (0)
3825# define DEBUG_J_TEST (0)
3826# define DEBUG_v_TEST (0)
3827# define DEBUG_C_TEST (0)
3828# define DEBUG_A_TEST (0)
3829# define DEBUG_q_TEST (0)
3830# define DEBUG_M_TEST (0)
3831# define DEBUG_B_TEST (0)
3832# define DEBUG_Xv_TEST (0)
3833# define DEBUG_Uv_TEST (0)
3834# define DEBUG_Pv_TEST (0)
3835
3836# define PERL_DEB(a)
3837# define PERL_DEBUG(a)
3838# define DEBUG_p(a)
3839# define DEBUG_s(a)
3840# define DEBUG_l(a)
3841# define DEBUG_t(a)
3842# define DEBUG_o(a)
3843# define DEBUG_c(a)
3844# define DEBUG_P(a)
3845# define DEBUG_m(a)
3846# define DEBUG_f(a)
3847# define DEBUG_r(a)
3848# define DEBUG_x(a)
3849# define DEBUG_u(a)
3850# define DEBUG_U(a)
3851# define DEBUG_H(a)
3852# define DEBUG_X(a)
3853# define DEBUG_D(a)
3854# define DEBUG_S(a)
3855# define DEBUG_T(a)
3856# define DEBUG_R(a)
3857# define DEBUG_v(a)
3858# define DEBUG_C(a)
3859# define DEBUG_A(a)
3860# define DEBUG_q(a)
3861# define DEBUG_M(a)
3862# define DEBUG_B(a)
3863# define DEBUG_Xv(a)
3864# define DEBUG_Uv(a)
3865# define DEBUG_Pv(a)
3866#endif /* DEBUGGING */
3867
3868
3869#define DEBUG_SCOPE(where) \
3870 DEBUG_l( \
3871 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3872 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
3873 __FILE__, __LINE__));
3874
3875#if defined(DEBUGGING) && defined(I_ASSERT)
3876# include <assert.h>
3877#endif
3878
3879/* Keep the old croak based assert for those who want it, and as a fallback if
3880 the platform is so heretically non-ANSI that it can't assert. */
3881
3882#define Perl_assert(what) PERL_DEB( \
3883 ((what) ? ((void) 0) : \
3884 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
3885 "\", line %d", STRINGIFY(what), __LINE__), \
3886 (void) 0)))
3887
3888#ifndef assert
3889# define assert(what) Perl_assert(what)
3890#endif
3891#ifdef DEBUGGING
3892# define assert_(what) assert(what),
3893#else
3894# define assert_(what)
3895#endif
3896
3897struct ufuncs {
3898 I32 (*uf_val)(pTHX_ IV, SV*);
3899 I32 (*uf_set)(pTHX_ IV, SV*);
3900 IV uf_index;
3901};
3902
3903/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
3904 * XS code wanting to be backward compatible can do something
3905 * like the following:
3906
3907#ifndef PERL_MG_UFUNC
3908#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3909#endif
3910
3911static PERL_MG_UFUNC(foo_get, index, val)
3912{
3913 sv_setsv(val, ...);
3914 return TRUE;
3915}
3916
3917-- Doug MacEachern
3918
3919*/
3920
3921#ifndef PERL_MG_UFUNC
3922#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
3923#endif
3924
3925/* Fix these up for __STDC__ */
3926#ifndef DONT_DECLARE_STD
3927char *mktemp (char*);
3928#ifndef atof
3929double atof (const char*);
3930#endif
3931#endif
3932
3933#ifndef STANDARD_C
3934/* All of these are in stdlib.h or time.h for ANSI C */
3935Time_t time();
3936struct tm *gmtime(), *localtime();
3937#if defined(OEMVS)
3938char *(strchr)(), *(strrchr)();
3939char *(strcpy)(), *(strcat)();
3940#else
3941char *strchr(), *strrchr();
3942char *strcpy(), *strcat();
3943#endif
3944#endif /* ! STANDARD_C */
3945
3946
3947#ifdef I_MATH
3948# include <math.h>
3949#else
3950START_EXTERN_C
3951 double exp (double);
3952 double log (double);
3953 double log10 (double);
3954 double sqrt (double);
3955 double frexp (double,int*);
3956 double ldexp (double,int);
3957 double modf (double,double*);
3958 double sin (double);
3959 double cos (double);
3960 double atan2 (double,double);
3961 double pow (double,double);
3962END_EXTERN_C
3963#endif
3964
3965#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3966# define NV_INF LDBL_INFINITY
3967#endif
3968#if !defined(NV_INF) && defined(DBL_INFINITY)
3969# define NV_INF (NV)DBL_INFINITY
3970#endif
3971#if !defined(NV_INF) && defined(INFINITY)
3972# define NV_INF (NV)INFINITY
3973#endif
3974#if !defined(NV_INF) && defined(INF)
3975# define NV_INF (NV)INF
3976#endif
3977#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3978# define NV_INF (NV)HUGE_VALL
3979#endif
3980#if !defined(NV_INF) && defined(HUGE_VAL)
3981# define NV_INF (NV)HUGE_VAL
3982#endif
3983
3984#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3985# if !defined(NV_NAN) && defined(LDBL_NAN)
3986# define NV_NAN LDBL_NAN
3987# endif
3988# if !defined(NV_NAN) && defined(LDBL_QNAN)
3989# define NV_NAN LDBL_QNAN
3990# endif
3991# if !defined(NV_NAN) && defined(LDBL_SNAN)
3992# define NV_NAN LDBL_SNAN
3993# endif
3994#endif
3995#if !defined(NV_NAN) && defined(DBL_NAN)
3996# define NV_NAN (NV)DBL_NAN
3997#endif
3998#if !defined(NV_NAN) && defined(DBL_QNAN)
3999# define NV_NAN (NV)DBL_QNAN
4000#endif
4001#if !defined(NV_NAN) && defined(DBL_SNAN)
4002# define NV_NAN (NV)DBL_SNAN
4003#endif
4004#if !defined(NV_NAN) && defined(QNAN)
4005# define NV_NAN (NV)QNAN
4006#endif
4007#if !defined(NV_NAN) && defined(SNAN)
4008# define NV_NAN (NV)SNAN
4009#endif
4010#if !defined(NV_NAN) && defined(NAN)
4011# define NV_NAN (NV)NAN
4012#endif
4013
4014#ifndef __cplusplus
4015# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
4016char *crypt (); /* Maybe more hosts will need the unprototyped version */
4017# else
4018# if !defined(WIN32) && !defined(VMS)
4019#ifndef crypt
4020char *crypt (const char*, const char*);
4021#endif
4022# endif /* !WIN32 */
4023# endif /* !NeXT && !__NeXT__ */
4024# ifndef DONT_DECLARE_STD
4025# ifndef getenv
4026char *getenv (const char*);
4027# endif /* !getenv */
4028# if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
4029# ifdef _FILE_OFFSET_BITS
4030# if _FILE_OFFSET_BITS == 64
4031Off_t lseek (int,Off_t,int);
4032# endif
4033# endif
4034# endif
4035# endif /* !DONT_DECLARE_STD */
4036# ifndef WIN32
4037# ifndef getlogin
4038char *getlogin (void);
4039# endif
4040# endif /* !WIN32 */
4041#endif /* !__cplusplus */
4042
4043/* Fixme on VMS. This needs to be a run-time, not build time options */
4044/* Also rename() is affected by this */
4045#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
4046#define UNLINK unlnk
4047I32 unlnk (pTHX_ const char*);
4048#else
4049#define UNLINK PerlLIO_unlink
4050#endif
4051
4052/* some versions of glibc are missing the setresuid() proto */
4053#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
4054int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4055#endif
4056/* some versions of glibc are missing the setresgid() proto */
4057#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
4058int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4059#endif
4060
4061#ifndef HAS_SETREUID
4062# ifdef HAS_SETRESUID
4063# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4064# define HAS_SETREUID
4065# endif
4066#endif
4067#ifndef HAS_SETREGID
4068# ifdef HAS_SETRESGID
4069# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4070# define HAS_SETREGID
4071# endif
4072#endif
4073
4074/* Sighandler_t defined in iperlsys.h */
4075
4076#ifdef HAS_SIGACTION
4077typedef struct sigaction Sigsave_t;
4078#else
4079typedef Sighandler_t Sigsave_t;
4080#endif
4081
4082#define SCAN_DEF 0
4083#define SCAN_TR 1
4084#define SCAN_REPL 2
4085
4086#ifdef DEBUGGING
4087# ifndef register
4088# define register
4089# endif
4090# define RUNOPS_DEFAULT Perl_runops_debug
4091#else
4092# define RUNOPS_DEFAULT Perl_runops_standard
4093#endif
4094
4095#ifdef USE_PERLIO
4096EXTERN_C void PerlIO_teardown(void);
4097# ifdef USE_ITHREADS
4098# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4099# define PERLIO_TERM \
4100 STMT_START { \
4101 PerlIO_teardown(); \
4102 MUTEX_DESTROY(&PL_perlio_mutex);\
4103 } STMT_END
4104# else
4105# define PERLIO_INIT
4106# define PERLIO_TERM PerlIO_teardown()
4107# endif
4108#else
4109# define PERLIO_INIT
4110# define PERLIO_TERM
4111#endif
4112
4113#ifdef MYMALLOC
4114# ifdef MUTEX_INIT_CALLS_MALLOC
4115# define MALLOC_INIT \
4116 STMT_START { \
4117 PL_malloc_mutex = NULL; \
4118 MUTEX_INIT(&PL_malloc_mutex); \
4119 } STMT_END
4120# define MALLOC_TERM \
4121 STMT_START { \
4122 perl_mutex tmp = PL_malloc_mutex; \
4123 PL_malloc_mutex = NULL; \
4124 MUTEX_DESTROY(&tmp); \
4125 } STMT_END
4126# else
4127# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4128# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4129# endif
4130#else
4131# define MALLOC_INIT
4132# define MALLOC_TERM
4133#endif
4134
4135#if defined(PERL_IMPLICIT_CONTEXT)
4136
4137struct perl_memory_debug_header;
4138struct perl_memory_debug_header {
4139 tTHX interpreter;
4140# ifdef PERL_POISON
4141 MEM_SIZE size;
4142# endif
4143 struct perl_memory_debug_header *prev;
4144 struct perl_memory_debug_header *next;
4145};
4146
4147# define sTHX (sizeof(struct perl_memory_debug_header) + \
4148 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4149 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4150
4151#else
4152# define sTHX 0
4153#endif
4154
4155#ifdef PERL_TRACK_MEMPOOL
4156# define INIT_TRACK_MEMPOOL(header, interp) \
4157 STMT_START { \
4158 (header).interpreter = (interp); \
4159 (header).prev = (header).next = &(header); \
4160 } STMT_END
4161# else
4162# define INIT_TRACK_MEMPOOL(header, interp)
4163#endif
4164
4165#ifdef I_MALLOCMALLOC
4166/* Needed for malloc_size(), malloc_good_size() on some systems */
4167# include <malloc/malloc.h>
4168#endif
4169
4170#ifdef MYMALLOC
4171# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
4172#else
4173# ifdef HAS_MALLOC_SIZE
4174# ifdef PERL_TRACK_MEMPOOL
4175# define Perl_safesysmalloc_size(where) \
4176 (malloc_size(((char *)(where)) - sTHX) - sTHX)
4177# else
4178# define Perl_safesysmalloc_size(where) malloc_size(where)
4179# endif
4180# endif
4181# ifdef HAS_MALLOC_GOOD_SIZE
4182# ifdef PERL_TRACK_MEMPOOL
4183# define Perl_malloc_good_size(how_much) \
4184 (malloc_good_size((how_much) + sTHX) - sTHX)
4185# else
4186# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4187# endif
4188# else
4189/* Having this as the identity operation makes some code simpler. */
4190# define Perl_malloc_good_size(how_much) (how_much)
4191# endif
4192#endif
4193
4194typedef int (*runops_proc_t)(pTHX);
4195typedef void (*share_proc_t) (pTHX_ SV *sv);
4196typedef int (*thrhook_proc_t) (pTHX);
4197typedef OP* (*PPADDR_t[]) (pTHX);
4198typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4199typedef void (*despatch_signals_proc_t) (pTHX);
4200
4201/* NeXT has problems with crt0.o globals */
4202#if defined(__DYNAMIC__) && \
4203 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
4204# if defined(NeXT) || defined(__NeXT)
4205# include <mach-o/dyld.h>
4206# define environ (*environ_pointer)
4207EXT char *** environ_pointer;
4208# else
4209# if defined(PERL_DARWIN) && defined(PERL_CORE)
4210# include <crt_externs.h> /* for the env array */
4211# define environ (*_NSGetEnviron())
4212# endif
4213# endif
4214#else
4215 /* VMS and some other platforms don't use the environ array */
4216# ifdef USE_ENVIRON_ARRAY
4217# if !defined(DONT_DECLARE_STD) || \
4218 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4219 defined(__sgi) || \
4220 defined(__DGUX)
4221extern char ** environ; /* environment variables supplied via exec */
4222# endif
4223# endif
4224#endif
4225
4226#define PERL_PATCHLEVEL_H_IMPLICIT
4227#include "patchlevel.h"
4228#undef PERL_PATCHLEVEL_H_IMPLICIT
4229
4230#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4231 STRINGIFY(PERL_VERSION) "." \
4232 STRINGIFY(PERL_SUBVERSION)
4233
4234#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4235 STRINGIFY(PERL_API_VERSION) "." \
4236 STRINGIFY(PERL_API_SUBVERSION)
4237
4238START_EXTERN_C
4239
4240/* handy constants */
4241EXTCONST char PL_warn_uninit[]
4242 INIT("Use of uninitialized value%s%s%s");
4243EXTCONST char PL_warn_uninit_sv[]
4244 INIT("Use of uninitialized value%"SVf"%s%s");
4245EXTCONST char PL_warn_nosemi[]
4246 INIT("Semicolon seems to be missing");
4247EXTCONST char PL_warn_reserved[]
4248 INIT("Unquoted string \"%s\" may clash with future reserved word");
4249EXTCONST char PL_warn_nl[]
4250 INIT("Unsuccessful %s on filename containing newline");
4251EXTCONST char PL_no_wrongref[]
4252 INIT("Can't use %s ref as %s ref");
4253/* The core no longer needs these here. If you require the string constant,
4254 please inline a copy into your own code. */
4255EXTCONST char PL_no_symref[] __attribute__deprecated__
4256 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
4257EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4258 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
4259EXTCONST char PL_no_usym[]
4260 INIT("Can't use an undefined value as %s reference");
4261EXTCONST char PL_no_aelem[]
4262 INIT("Modification of non-creatable array value attempted, subscript %d");
4263EXTCONST char PL_no_helem_sv[]
4264 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
4265EXTCONST char PL_no_modify[]
4266 INIT("Modification of a read-only value attempted");
4267EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
4268 INIT("Out of memory!\n");
4269EXTCONST char PL_no_security[]
4270 INIT("Insecure dependency in %s%s");
4271EXTCONST char PL_no_sock_func[]
4272 INIT("Unsupported socket function \"%s\" called");
4273EXTCONST char PL_no_dir_func[]
4274 INIT("Unsupported directory function \"%s\" called");
4275EXTCONST char PL_no_func[]
4276 INIT("The %s function is unimplemented");
4277EXTCONST char PL_no_myglob[]
4278 INIT("\"%s\" variable %s can't be in a package");
4279EXTCONST char PL_no_localize_ref[]
4280 INIT("Can't localize through a reference");
4281EXTCONST char PL_memory_wrap[]
4282 INIT("panic: memory wrap");
4283
4284EXTCONST char PL_Yes[]
4285 INIT("1");
4286EXTCONST char PL_No[]
4287 INIT("");
4288EXTCONST char PL_hexdigit[]
4289 INIT("0123456789abcdef0123456789ABCDEF");
4290
4291/* This is constant on most architectures, a global on OS/2 */
4292#ifndef OS2
4293EXTCONST char PL_sh_path[]
4294 INIT(SH_PATH); /* full path of shell */
4295#endif
4296
4297#ifdef CSH
4298EXTCONST char PL_cshname[]
4299 INIT(CSH);
4300# define PL_cshlen (sizeof(CSH "") - 1)
4301#endif
4302
4303/* These are baked at compile time into any shared perl library.
4304 In future releases this will allow us in main() to sanity test the
4305 library we're linking against. */
4306
4307EXTCONST U8 PL_revision
4308 INIT(PERL_REVISION);
4309EXTCONST U8 PL_version
4310 INIT(PERL_VERSION);
4311EXTCONST U8 PL_subversion
4312 INIT(PERL_SUBVERSION);
4313
4314EXTCONST char PL_uuemap[65]
4315 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4316
4317#ifdef DOINIT
4318EXTCONST char PL_uudmap[256] =
4319# ifdef PERL_MICRO
4320# include "uuudmap.h"
4321# else
4322# include "uudmap.h"
4323# endif
4324;
4325EXTCONST char PL_bitcount[256] =
4326# ifdef PERL_MICRO
4327# include "ubitcount.h"
4328#else
4329# include "bitcount.h"
4330# endif
4331;
4332EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4333EXTCONST int PL_sig_num[] = { SIG_NUM };
4334#else
4335EXTCONST char PL_uudmap[256];
4336EXTCONST char PL_bitcount[256];
4337EXTCONST char* const PL_sig_name[];
4338EXTCONST int PL_sig_num[];
4339#endif
4340
4341/* fast conversion and case folding tables. The folding tables complement the
4342 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4343 * folds such as outside the range or to multiple characters. */
4344
4345#ifdef DOINIT
4346#ifndef EBCDIC
4347
4348/* The EBCDIC fold table depends on the code page, and hence is found in
4349 * utfebcdic.h */
4350
4351EXTCONST unsigned char PL_fold[] = {
4352 0, 1, 2, 3, 4, 5, 6, 7,
4353 8, 9, 10, 11, 12, 13, 14, 15,
4354 16, 17, 18, 19, 20, 21, 22, 23,
4355 24, 25, 26, 27, 28, 29, 30, 31,
4356 32, 33, 34, 35, 36, 37, 38, 39,
4357 40, 41, 42, 43, 44, 45, 46, 47,
4358 48, 49, 50, 51, 52, 53, 54, 55,
4359 56, 57, 58, 59, 60, 61, 62, 63,
4360 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4361 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4362 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4363 'x', 'y', 'z', 91, 92, 93, 94, 95,
4364 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4365 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4366 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4367 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4368 128, 129, 130, 131, 132, 133, 134, 135,
4369 136, 137, 138, 139, 140, 141, 142, 143,
4370 144, 145, 146, 147, 148, 149, 150, 151,
4371 152, 153, 154, 155, 156, 157, 158, 159,
4372 160, 161, 162, 163, 164, 165, 166, 167,
4373 168, 169, 170, 171, 172, 173, 174, 175,
4374 176, 177, 178, 179, 180, 181, 182, 183,
4375 184, 185, 186, 187, 188, 189, 190, 191,
4376 192, 193, 194, 195, 196, 197, 198, 199,
4377 200, 201, 202, 203, 204, 205, 206, 207,
4378 208, 209, 210, 211, 212, 213, 214, 215,
4379 216, 217, 218, 219, 220, 221, 222, 223,
4380 224, 225, 226, 227, 228, 229, 230, 231,
4381 232, 233, 234, 235, 236, 237, 238, 239,
4382 240, 241, 242, 243, 244, 245, 246, 247,
4383 248, 249, 250, 251, 252, 253, 254, 255
4384};
4385EXTCONST unsigned char PL_fold_latin1[] = {
4386 /* Full latin1 complement folding, except for three problematic code points:
4387 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4388 * fold complements outside the Latin1 range, so can't match something
4389 * that isn't in utf8.
4390 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4391 * not one, so can't be represented in this table.
4392 *
4393 * All have to be specially handled */
4394 0, 1, 2, 3, 4, 5, 6, 7,
4395 8, 9, 10, 11, 12, 13, 14, 15,
4396 16, 17, 18, 19, 20, 21, 22, 23,
4397 24, 25, 26, 27, 28, 29, 30, 31,
4398 32, 33, 34, 35, 36, 37, 38, 39,
4399 40, 41, 42, 43, 44, 45, 46, 47,
4400 48, 49, 50, 51, 52, 53, 54, 55,
4401 56, 57, 58, 59, 60, 61, 62, 63,
4402 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4403 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4404 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4405 'x', 'y', 'z', 91, 92, 93, 94, 95,
4406 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4407 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4408 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4409 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4410 128, 129, 130, 131, 132, 133, 134, 135,
4411 136, 137, 138, 139, 140, 141, 142, 143,
4412 144, 145, 146, 147, 148, 149, 150, 151,
4413 152, 153, 154, 155, 156, 157, 158, 159,
4414 160, 161, 162, 163, 164, 165, 166, 167,
4415 168, 169, 170, 171, 172, 173, 174, 175,
4416 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4417 184, 185, 186, 187, 188, 189, 190, 191,
4418 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4419 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4420 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4421 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4422 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4423 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4424 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4425 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4426 255 /* y with diaeresis */
4427};
4428#endif /* !EBCDIC, but still in DOINIT */
4429
4430/* If these tables are accessed through ebcdic, the access will be converted to
4431 * latin1 first */
4432EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4433 0, 1, 2, 3, 4, 5, 6, 7,
4434 8, 9, 10, 11, 12, 13, 14, 15,
4435 16, 17, 18, 19, 20, 21, 22, 23,
4436 24, 25, 26, 27, 28, 29, 30, 31,
4437 32, 33, 34, 35, 36, 37, 38, 39,
4438 40, 41, 42, 43, 44, 45, 46, 47,
4439 48, 49, 50, 51, 52, 53, 54, 55,
4440 56, 57, 58, 59, 60, 61, 62, 63,
4441 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4442 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4443 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4444 'x', 'y', 'z', 91, 92, 93, 94, 95,
4445 96, 97, 98, 99, 100, 101, 102, 103,
4446 104, 105, 106, 107, 108, 109, 110, 111,
4447 112, 113, 114, 115, 116, 117, 118, 119,
4448 120, 121, 122, 123, 124, 125, 126, 127,
4449 128, 129, 130, 131, 132, 133, 134, 135,
4450 136, 137, 138, 139, 140, 141, 142, 143,
4451 144, 145, 146, 147, 148, 149, 150, 151,
4452 152, 153, 154, 155, 156, 157, 158, 159,
4453 160, 161, 162, 163, 164, 165, 166, 167,
4454 168, 169, 170, 171, 172, 173, 174, 175,
4455 176, 177, 178, 179, 180, 181, 182, 183,
4456 184, 185, 186, 187, 188, 189, 190, 191,
4457 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4458 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4459 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4460 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4461 224, 225, 226, 227, 228, 229, 230, 231,
4462 232, 233, 234, 235, 236, 237, 238, 239,
4463 240, 241, 242, 243, 244, 245, 246, 247,
4464 248, 249, 250, 251, 252, 253, 254, 255
4465};
4466
4467/* upper and title case of latin1 characters, modified so that the three tricky
4468 * ones are mapped to 255 (which is one of the three) */
4469EXTCONST unsigned char PL_mod_latin1_uc[] = {
4470 0, 1, 2, 3, 4, 5, 6, 7,
4471 8, 9, 10, 11, 12, 13, 14, 15,
4472 16, 17, 18, 19, 20, 21, 22, 23,
4473 24, 25, 26, 27, 28, 29, 30, 31,
4474 32, 33, 34, 35, 36, 37, 38, 39,
4475 40, 41, 42, 43, 44, 45, 46, 47,
4476 48, 49, 50, 51, 52, 53, 54, 55,
4477 56, 57, 58, 59, 60, 61, 62, 63,
4478 64, 65, 66, 67, 68, 69, 70, 71,
4479 72, 73, 74, 75, 76, 77, 78, 79,
4480 80, 81, 82, 83, 84, 85, 86, 87,
4481 88, 89, 90, 91, 92, 93, 94, 95,
4482 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4483 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4484 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4485 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4486 128, 129, 130, 131, 132, 133, 134, 135,
4487 136, 137, 138, 139, 140, 141, 142, 143,
4488 144, 145, 146, 147, 148, 149, 150, 151,
4489 152, 153, 154, 155, 156, 157, 158, 159,
4490 160, 161, 162, 163, 164, 165, 166, 167,
4491 168, 169, 170, 171, 172, 173, 174, 175,
4492 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4493 184, 185, 186, 187, 188, 189, 190, 191,
4494 192, 193, 194, 195, 196, 197, 198, 199,
4495 200, 201, 202, 203, 204, 205, 206, 207,
4496 208, 209, 210, 211, 212, 213, 214, 215,
4497 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4498 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4499 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4500 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4501 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4502};
4503#else /* ! DOINIT */
4504EXTCONST unsigned char PL_fold[];
4505EXTCONST unsigned char PL_fold_latin1[];
4506EXTCONST unsigned char PL_mod_latin1_uc[];
4507EXTCONST unsigned char PL_latin1_lc[];
4508#endif
4509
4510#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
4511#ifdef DOINIT
4512EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
4513 0, 1, 2, 3, 4, 5, 6, 7,
4514 8, 9, 10, 11, 12, 13, 14, 15,
4515 16, 17, 18, 19, 20, 21, 22, 23,
4516 24, 25, 26, 27, 28, 29, 30, 31,
4517 32, 33, 34, 35, 36, 37, 38, 39,
4518 40, 41, 42, 43, 44, 45, 46, 47,
4519 48, 49, 50, 51, 52, 53, 54, 55,
4520 56, 57, 58, 59, 60, 61, 62, 63,
4521 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4522 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4523 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4524 'x', 'y', 'z', 91, 92, 93, 94, 95,
4525 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4526 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4527 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4528 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4529 128, 129, 130, 131, 132, 133, 134, 135,
4530 136, 137, 138, 139, 140, 141, 142, 143,
4531 144, 145, 146, 147, 148, 149, 150, 151,
4532 152, 153, 154, 155, 156, 157, 158, 159,
4533 160, 161, 162, 163, 164, 165, 166, 167,
4534 168, 169, 170, 171, 172, 173, 174, 175,
4535 176, 177, 178, 179, 180, 181, 182, 183,
4536 184, 185, 186, 187, 188, 189, 190, 191,
4537 192, 193, 194, 195, 196, 197, 198, 199,
4538 200, 201, 202, 203, 204, 205, 206, 207,
4539 208, 209, 210, 211, 212, 213, 214, 215,
4540 216, 217, 218, 219, 220, 221, 222, 223,
4541 224, 225, 226, 227, 228, 229, 230, 231,
4542 232, 233, 234, 235, 236, 237, 238, 239,
4543 240, 241, 242, 243, 244, 245, 246, 247,
4544 248, 249, 250, 251, 252, 253, 254, 255
4545};
4546#else
4547EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
4548#endif
4549#endif /* !PERL_GLOBAL_STRUCT */
4550
4551#ifdef DOINIT
4552#ifdef EBCDIC
4553EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
4554 1, 2, 84, 151, 154, 155, 156, 157,
4555 165, 246, 250, 3, 158, 7, 18, 29,
4556 40, 51, 62, 73, 85, 96, 107, 118,
4557 129, 140, 147, 148, 149, 150, 152, 153,
4558 255, 6, 8, 9, 10, 11, 12, 13,
4559 14, 15, 24, 25, 26, 27, 28, 226,
4560 29, 30, 31, 32, 33, 43, 44, 45,
4561 46, 47, 48, 49, 50, 76, 77, 78,
4562 79, 80, 81, 82, 83, 84, 85, 86,
4563 87, 94, 95, 234, 181, 233, 187, 190,
4564 180, 96, 97, 98, 99, 100, 101, 102,
4565 104, 112, 182, 174, 236, 232, 229, 103,
4566 228, 226, 114, 115, 116, 117, 118, 119,
4567 120, 121, 122, 235, 176, 230, 194, 162,
4568 130, 131, 132, 133, 134, 135, 136, 137,
4569 138, 139, 201, 205, 163, 217, 220, 224,
4570 5, 248, 227, 244, 242, 255, 241, 231,
4571 240, 253, 16, 197, 19, 20, 21, 187,
4572 23, 169, 210, 245, 237, 249, 247, 239,
4573 168, 252, 34, 196, 36, 37, 38, 39,
4574 41, 42, 251, 254, 238, 223, 221, 213,
4575 225, 177, 52, 53, 54, 55, 56, 57,
4576 58, 59, 60, 61, 63, 64, 65, 66,
4577 67, 68, 69, 70, 71, 72, 74, 75,
4578 205, 208, 186, 202, 200, 218, 198, 179,
4579 178, 214, 88, 89, 90, 91, 92, 93,
4580 217, 166, 170, 207, 199, 209, 206, 204,
4581 160, 212, 105, 106, 108, 109, 110, 111,
4582 203, 113, 216, 215, 192, 175, 193, 243,
4583 172, 161, 123, 124, 125, 126, 127, 128,
4584 222, 219, 211, 195, 188, 193, 185, 184,
4585 191, 183, 141, 142, 143, 144, 145, 146
4586};
4587#else /* ascii rather than ebcdic */
4588EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
4589 1, 2, 84, 151, 154, 155, 156, 157,
4590 165, 246, 250, 3, 158, 7, 18, 29,
4591 40, 51, 62, 73, 85, 96, 107, 118,
4592 129, 140, 147, 148, 149, 150, 152, 153,
4593 255, 182, 224, 205, 174, 176, 180, 217,
4594 233, 232, 236, 187, 235, 228, 234, 226,
4595 222, 219, 211, 195, 188, 193, 185, 184,
4596 191, 183, 201, 229, 181, 220, 194, 162,
4597 163, 208, 186, 202, 200, 218, 198, 179,
4598 178, 214, 166, 170, 207, 199, 209, 206,
4599 204, 160, 212, 216, 215, 192, 175, 173,
4600 243, 172, 161, 190, 203, 189, 164, 230,
4601 167, 248, 227, 244, 242, 255, 241, 231,
4602 240, 253, 169, 210, 245, 237, 249, 247,
4603 239, 168, 252, 251, 254, 238, 223, 221,
4604 213, 225, 177, 197, 171, 196, 159, 4,
4605 5, 6, 8, 9, 10, 11, 12, 13,
4606 14, 15, 16, 17, 19, 20, 21, 22,
4607 23, 24, 25, 26, 27, 28, 30, 31,
4608 32, 33, 34, 35, 36, 37, 38, 39,
4609 41, 42, 43, 44, 45, 46, 47, 48,
4610 49, 50, 52, 53, 54, 55, 56, 57,
4611 58, 59, 60, 61, 63, 64, 65, 66,
4612 67, 68, 69, 70, 71, 72, 74, 75,
4613 76, 77, 78, 79, 80, 81, 82, 83,
4614 86, 87, 88, 89, 90, 91, 92, 93,
4615 94, 95, 97, 98, 99, 100, 101, 102,
4616 103, 104, 105, 106, 108, 109, 110, 111,
4617 112, 113, 114, 115, 116, 117, 119, 120,
4618 121, 122, 123, 124, 125, 126, 127, 128,
4619 130, 131, 132, 133, 134, 135, 136, 137,
4620 138, 139, 141, 142, 143, 144, 145, 146
4621};
4622#endif
4623#else
4624EXTCONST unsigned char PL_freq[];
4625#endif
4626
4627/* Although only used for debugging, these constants must be available in
4628 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4629 * which has DEBUGGING enabled always */
4630#ifdef DOINIT
4631EXTCONST char* const PL_block_type[] = {
4632 "NULL",
4633 "WHEN",
4634 "BLOCK",
4635 "GIVEN",
4636 "LOOP_FOR",
4637 "LOOP_PLAIN",
4638 "LOOP_LAZYSV",
4639 "LOOP_LAZYIV",
4640 "SUB",
4641 "FORMAT",
4642 "EVAL",
4643 "SUBST"
4644};
4645#else
4646EXTCONST char* PL_block_type[];
4647#endif
4648
4649/* These are all the compile time options that affect binary compatibility.
4650 Other compile time options that are binary compatible are in perl.c
4651 Both are combined for the output of perl -V
4652 However, this string will be embedded in any shared perl library, which will
4653 allow us add a comparison check in perlmain.c in the near future. */
4654#ifdef DOINIT
4655EXTCONST char PL_bincompat_options[] =
4656# ifdef DEBUG_LEAKING_SCALARS
4657 " DEBUG_LEAKING_SCALARS"
4658# endif
4659# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4660 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4661# endif
4662# ifdef FAKE_THREADS
4663 " FAKE_THREADS"
4664# endif
4665# ifdef FCRYPT
4666 " FCRYPT"
4667# endif
4668# ifdef HAS_TIMES
4669 " HAS_TIMES"
4670# endif
4671# ifdef HAVE_INTERP_INTERN
4672 " HAVE_INTERP_INTERN"
4673# endif
4674# ifdef MULTIPLICITY
4675 " MULTIPLICITY"
4676# endif
4677# ifdef MYMALLOC
4678 " MYMALLOC"
4679# endif
4680# ifdef PERLIO_LAYERS
4681 " PERLIO_LAYERS"
4682# endif
4683# ifdef PERL_DEBUG_READONLY_OPS
4684 " PERL_DEBUG_READONLY_OPS"
4685# endif
4686# ifdef PERL_GLOBAL_STRUCT
4687 " PERL_GLOBAL_STRUCT"
4688# endif
4689# ifdef PERL_IMPLICIT_CONTEXT
4690 " PERL_IMPLICIT_CONTEXT"
4691# endif
4692# ifdef PERL_IMPLICIT_SYS
4693 " PERL_IMPLICIT_SYS"
4694# endif
4695# ifdef PERL_MAD
4696 " PERL_MAD"
4697# endif
4698# ifdef PERL_MICRO
4699 " PERL_MICRO"
4700# endif
4701# ifdef PERL_NEED_APPCTX
4702 " PERL_NEED_APPCTX"
4703# endif
4704# ifdef PERL_NEED_TIMESBASE
4705 " PERL_NEED_TIMESBASE"
4706# endif
4707# ifdef PERL_OLD_COPY_ON_WRITE
4708 " PERL_OLD_COPY_ON_WRITE"
4709# endif
4710# ifdef PERL_POISON
4711 " PERL_POISON"
4712# endif
4713# ifdef PERL_TRACK_MEMPOOL
4714 " PERL_TRACK_MEMPOOL"
4715# endif
4716# ifdef PERL_USES_PL_PIDSTATUS
4717 " PERL_USES_PL_PIDSTATUS"
4718# endif
4719# ifdef USE_64_BIT_ALL
4720 " USE_64_BIT_ALL"
4721# endif
4722# ifdef USE_64_BIT_INT
4723 " USE_64_BIT_INT"
4724# endif
4725# ifdef USE_IEEE
4726 " USE_IEEE"
4727# endif
4728# ifdef USE_ITHREADS
4729 " USE_ITHREADS"
4730# endif
4731# ifdef USE_LARGE_FILES
4732 " USE_LARGE_FILES"
4733# endif
4734# ifdef USE_LOCALE_COLLATE
4735 " USE_LOCALE_COLLATE"
4736# endif
4737# ifdef USE_LOCALE_NUMERIC
4738 " USE_LOCALE_NUMERIC"
4739# endif
4740# ifdef USE_LONG_DOUBLE
4741 " USE_LONG_DOUBLE"
4742# endif
4743# ifdef USE_PERLIO
4744 " USE_PERLIO"
4745# endif
4746# ifdef USE_REENTRANT_API
4747 " USE_REENTRANT_API"
4748# endif
4749# ifdef USE_SFIO
4750 " USE_SFIO"
4751# endif
4752# ifdef USE_SOCKS
4753 " USE_SOCKS"
4754# endif
4755# ifdef VMS_DO_SOCKETS
4756 " VMS_DO_SOCKETS"
4757# endif
4758# ifdef VMS_SHORTEN_LONG_SYMBOLS
4759 " VMS_SHORTEN_LONG_SYMBOLS"
4760# endif
4761# ifdef VMS_WE_ARE_CASE_SENSITIVE
4762 " VMS_SYMBOL_CASE_AS_IS"
4763# endif
4764 "";
4765#else
4766EXTCONST char PL_bincompat_options[];
4767#endif
4768
4769#ifndef PERL_SET_PHASE
4770# define PERL_SET_PHASE(new_phase) \
4771 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
4772 PL_phase = new_phase;
4773#endif
4774
4775/* The interpreter phases. If these ever change, PL_phase_names right below will
4776 * need to be updated accordingly. */
4777enum perl_phase {
4778 PERL_PHASE_CONSTRUCT = 0,
4779 PERL_PHASE_START = 1,
4780 PERL_PHASE_CHECK = 2,
4781 PERL_PHASE_INIT = 3,
4782 PERL_PHASE_RUN = 4,
4783 PERL_PHASE_END = 5,
4784 PERL_PHASE_DESTRUCT = 6
4785};
4786
4787#ifdef DOINIT
4788EXTCONST char *const PL_phase_names[] = {
4789 "CONSTRUCT",
4790 "START",
4791 "CHECK",
4792 "INIT",
4793 "RUN",
4794 "END",
4795 "DESTRUCT"
4796};
4797#else
4798EXTCONST char *const PL_phase_names[];
4799#endif
4800
4801#ifndef PERL_CORE
4802/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4803 * instead of using the newer PL_phase, which provides everything PL_dirty
4804 * provided, and more. */
4805# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
4806
4807# define PL_amagic_generation PL_na
4808#endif /* !PERL_CORE */
4809
4810END_EXTERN_C
4811
4812/*****************************************************************************/
4813/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4814/*****************************************************************************/
4815/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
4816
4817#ifdef __Lynx__
4818/* LynxOS defines these in scsi.h which is included via ioctl.h */
4819#ifdef FORMAT
4820#undef FORMAT
4821#endif
4822#ifdef SPACE
4823#undef SPACE
4824#endif
4825#endif
4826
4827#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4828
4829typedef enum {
4830 XOPERATOR,
4831 XTERM,
4832 XREF,
4833 XSTATE,
4834 XBLOCK,
4835 XATTRBLOCK,
4836 XATTRTERM,
4837 XTERMBLOCK,
4838 XTERMORDORDOR /* evil hack */
4839 /* update exp_name[] in toke.c if adding to this enum */
4840} expectation;
4841
4842/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4843 special and there is no need for HINT_PRIVATE_MASK for COPs
4844 However, bitops store HINT_INTEGER in their op_private. */
4845#define HINT_INTEGER 0x00000001 /* integer pragma */
4846#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4847#define HINT_LOCALE 0x00000004 /* locale pragma */
4848#define HINT_BYTES 0x00000008 /* bytes pragma */
4849#define HINT_LOCALE_NOT_CHARS 0x00000010 /* locale ':not_characters' pragma */
4850
4851#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
4852#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
4853#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
4854
4855#define HINT_BLOCK_SCOPE 0x00000100
4856#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4857#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
4858#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
4859
4860/* The HINT_NEW_* constants are used by the overload pragma */
4861#define HINT_NEW_INTEGER 0x00001000
4862#define HINT_NEW_FLOAT 0x00002000
4863#define HINT_NEW_BINARY 0x00004000
4864#define HINT_NEW_STRING 0x00008000
4865#define HINT_NEW_RE 0x00010000
4866#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
4867#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4868#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
4869
4870#define HINT_RE_TAINT 0x00100000 /* re pragma */
4871#define HINT_RE_EVAL 0x00200000 /* re pragma */
4872
4873#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4874#define HINT_UTF8 0x00800000 /* utf8 pragma */
4875
4876#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4877
4878#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4879
4880#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4881
4882 /* Note: Used for NATIVE_HINTS, currently
4883 defined by vms/vmsish.h:
4884 0x40000000
4885 0x80000000
4886 */
4887
4888/* The following are stored in $^H{sort}, not in PL_hints */
4889#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4890#define HINT_SORT_QUICKSORT 0x00000001
4891#define HINT_SORT_MERGESORT 0x00000002
4892#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
4893
4894/* flags for PL_sawampersand */
4895
4896#define SAWAMPERSAND_LEFT 1 /* saw $` */
4897#define SAWAMPERSAND_MIDDLE 2 /* saw $& */
4898#define SAWAMPERSAND_RIGHT 4 /* saw $' */
4899
4900/* Various states of the input record separator SV (rs) */
4901#define RsSNARF(sv) (! SvOK(sv))
4902#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4903#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
4904#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
4905
4906/* A struct for keeping various DEBUGGING related stuff,
4907 * neatly packed. Currently only scratch variables for
4908 * constructing debug output are included. Needed always,
4909 * not just when DEBUGGING, though, because of the re extension. c*/
4910struct perl_debug_pad {
4911 SV pad[3];
4912};
4913
4914#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
4915#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4916 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4917 PERL_DEBUG_PAD(i))
4918
4919/* Enable variables which are pointers to functions */
4920typedef void (*peep_t)(pTHX_ OP* o);
4921typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4922typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
4923 char* strend, char* strbeg, I32 minend,
4924 SV* screamer, void* data, U32 flags);
4925typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
4926 char *strpos, char *strend,
4927 U32 flags,
4928 re_scream_pos_data *d);
4929typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4930typedef void (*regfree_t) (pTHX_ struct regexp* r);
4931typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
4932typedef I32 (*re_fold_t)(const char *, char const *, I32);
4933
4934typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
4935typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
4936typedef void (*SVFUNC_t) (pTHX_ SV* const);
4937typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
4938typedef void (*XSINIT_t) (pTHX);
4939typedef void (*ATEXIT_t) (pTHX_ void*);
4940typedef void (*XSUBADDR_t) (pTHX_ CV *);
4941
4942typedef OP* (*Perl_ppaddr_t)(pTHX);
4943typedef OP* (*Perl_check_t) (pTHX_ OP*);
4944typedef void(*Perl_ophook_t)(pTHX_ OP*);
4945typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
4946typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
4947
4948typedef void(*globhook_t)(pTHX);
4949
4950#define KEYWORD_PLUGIN_DECLINE 0
4951#define KEYWORD_PLUGIN_STMT 1
4952#define KEYWORD_PLUGIN_EXPR 2
4953
4954/* Interpreter exitlist entry */
4955typedef struct exitlistentry {
4956 void (*fn) (pTHX_ void*);
4957 void *ptr;
4958} PerlExitListEntry;
4959
4960/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4961/* These have to be before perlvars.h */
4962#if !defined(HAS_SIGACTION) && defined(VMS)
4963# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4964#endif
4965/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4966#if defined(KILL_BY_SIGPRC)
4967# define FAKE_DEFAULT_SIGNAL_HANDLERS
4968#endif
4969
4970#if !defined(MULTIPLICITY)
4971
4972struct interpreter {
4973 char broiled;
4974};
4975
4976#else
4977
4978/* If we have multiple interpreters define a struct
4979 holding variables which must be per-interpreter
4980 If we don't have threads anything that would have
4981 be per-thread is per-interpreter.
4982*/
4983
4984/* Set up PERLVAR macros for populating structs */
4985# define PERLVAR(prefix,var,type) type prefix##var;
4986# define PERLVARA(prefix,var,n,type) type prefix##var[n];
4987# define PERLVARI(prefix,var,type,init) type prefix##var;
4988# define PERLVARIC(prefix,var,type,init) type prefix##var;
4989
4990struct interpreter {
4991# include "intrpvar.h"
4992};
4993
4994EXTCONST U16 PL_interp_size
4995 INIT(sizeof(struct interpreter));
4996
4997# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4998 STRUCT_OFFSET(struct interpreter, member) + \
4999 sizeof(((struct interpreter*)0)->member)
5000
5001/* This will be useful for subsequent releases, because this has to be the
5002 same in your libperl as in main(), else you have a mismatch and must abort.
5003*/
5004EXTCONST U16 PL_interp_size_5_16_0
5005 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_16_0_INTERP_MEMBER));
5006
5007
5008# ifdef PERL_GLOBAL_STRUCT
5009/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
5010 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
5011
5012struct perl_vars {
5013# include "perlvars.h"
5014};
5015
5016EXTCONST U16 PL_global_struct_size
5017 INIT(sizeof(struct perl_vars));
5018
5019# ifdef PERL_CORE
5020# ifndef PERL_GLOBAL_STRUCT_PRIVATE
5021EXT struct perl_vars PL_Vars;
5022EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
5023# undef PERL_GET_VARS
5024# define PERL_GET_VARS() PL_VarsPtr
5025# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
5026# else /* PERL_CORE */
5027# if !defined(__GNUC__) || !defined(WIN32)
5028EXT
5029# endif /* WIN32 */
5030struct perl_vars *PL_VarsPtr;
5031# define PL_Vars (*((PL_VarsPtr) \
5032 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
5033# endif /* PERL_CORE */
5034# endif /* PERL_GLOBAL_STRUCT */
5035
5036/* Done with PERLVAR macros for now ... */
5037# undef PERLVAR
5038# undef PERLVARA
5039# undef PERLVARI
5040# undef PERLVARIC
5041
5042#endif /* MULTIPLICITY */
5043
5044struct tempsym; /* defined in pp_pack.c */
5045
5046#include "thread.h"
5047#include "pp.h"
5048
5049#ifndef PERL_CALLCONV
5050# ifdef __cplusplus
5051# define PERL_CALLCONV extern "C"
5052# else
5053# define PERL_CALLCONV
5054# endif
5055#endif
5056#ifndef PERL_CALLCONV_NO_RET
5057# define PERL_CALLCONV_NO_RET PERL_CALLCONV
5058#endif
5059
5060/* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
5061 dont have a noreturn as a declaration specifier
5062*/
5063#ifndef PERL_STATIC_NO_RET
5064# define PERL_STATIC_NO_RET STATIC
5065#endif
5066/* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
5067 builds that dont have a noreturn as a declaration specifier
5068*/
5069#ifndef PERL_STATIC_INLINE_NO_RET
5070# define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
5071#endif
5072
5073
5074#undef PERL_CKDEF
5075#undef PERL_PPDEF
5076#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5077#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
5078
5079#ifdef MYMALLOC
5080# include "malloc_ctl.h"
5081#endif
5082
5083#include "proto.h"
5084
5085/* this has structure inits, so it cannot be included before here */
5086#include "opcode.h"
5087
5088/* The following must follow proto.h as #defines mess up syntax */
5089
5090#if !defined(PERL_FOR_X2P)
5091# include "embedvar.h"
5092#endif
5093#ifndef PERL_MAD
5094# undef PL_madskills
5095# undef PL_xmlfp
5096# define PL_madskills 0
5097# define PL_xmlfp 0
5098#endif
5099
5100/* Now include all the 'global' variables
5101 * If we don't have threads or multiple interpreters
5102 * these include variables that would have been their struct-s
5103 */
5104
5105#define PERLVAR(prefix,var,type) EXT type PL_##var;
5106#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5107#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5108#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
5109
5110#if !defined(MULTIPLICITY)
5111START_EXTERN_C
5112# include "intrpvar.h"
5113END_EXTERN_C
5114#endif
5115
5116#ifdef PERL_CORE
5117/* All core uses now exterminated. Ensure no zombies can return: */
5118# undef PL_na
5119#endif
5120
5121/* Now all the config stuff is setup we can include embed.h
5122 In particular, need the relevant *ish file included already, as it may
5123 define HAVE_INTERP_INTERN */
5124#include "embed.h"
5125#ifndef PERL_MAD
5126# undef op_getmad
5127# define op_getmad(arg,pegop,slot) NOOP
5128#endif
5129
5130#ifndef PERL_GLOBAL_STRUCT
5131START_EXTERN_C
5132
5133# include "perlvars.h"
5134
5135END_EXTERN_C
5136#endif
5137
5138#undef PERLVAR
5139#undef PERLVARA
5140#undef PERLVARI
5141#undef PERLVARIC
5142
5143START_EXTERN_C
5144
5145/* dummy variables that hold pointers to both runops functions, thus forcing
5146 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5147
5148EXTCONST runops_proc_t PL_runops_std
5149 INIT(Perl_runops_standard);
5150EXTCONST runops_proc_t PL_runops_dbg
5151 INIT(Perl_runops_debug);
5152
5153/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5154 * magic vtables const, but this is incompatible with SWIG which
5155 * does want to modify the vtables. */
5156#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5157# define EXT_MGVTBL EXTCONST MGVTBL
5158#else
5159# define EXT_MGVTBL EXT MGVTBL
5160#endif
5161
5162#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
5163#define PERL_MAGIC_VALUE_MAGIC 0x80
5164#define PERL_MAGIC_VTABLE_MASK 0x3F
5165#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5166 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
5167#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5168 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5169
5170#include "mg_vtable.h"
5171
5172#ifdef DOINIT
5173EXTCONST U8 PL_magic_data[256] =
5174# ifdef PERL_MICRO
5175# include "umg_data.h"
5176# else
5177# include "mg_data.h"
5178# endif
5179;
5180#else
5181EXTCONST U8 PL_magic_data[256];
5182#endif
5183
5184#ifdef DOINIT
5185 /* NL BD IV NV PV PI PN MG RX GV LV AV HV CV FM IO */
5186EXTCONST bool
5187PL_valid_types_IVX[] = { 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5188EXTCONST bool
5189PL_valid_types_NVX[] = { 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5190EXTCONST bool
5191PL_valid_types_PVX[] = { 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
5192EXTCONST bool
5193PL_valid_types_RV[] = { 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
5194EXTCONST bool
5195PL_valid_types_IV_set[] = { 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
5196EXTCONST bool
5197PL_valid_types_NV_set[] = { 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
5198
5199#else
5200
5201EXTCONST bool PL_valid_types_IVX[];
5202EXTCONST bool PL_valid_types_NVX[];
5203EXTCONST bool PL_valid_types_PVX[];
5204EXTCONST bool PL_valid_types_RV[];
5205EXTCONST bool PL_valid_types_IV_set[];
5206EXTCONST bool PL_valid_types_NV_set[];
5207
5208#endif
5209
5210/* Static inline funcs that depend on includes and declarations above */
5211#include "inline.h"
5212
5213#include "overload.h"
5214
5215END_EXTERN_C
5216
5217struct am_table {
5218 U8 flags;
5219 U8 fallback;
5220 U16 spare;
5221 U32 was_ok_sub;
5222 CV* table[NofAMmeth];
5223};
5224struct am_table_short {
5225 U8 flags;
5226 U8 fallback;
5227 U16 spare;
5228 U32 was_ok_sub;
5229};
5230typedef struct am_table AMT;
5231typedef struct am_table_short AMTS;
5232
5233#define AMGfallNEVER 1
5234#define AMGfallNO 2
5235#define AMGfallYES 3
5236
5237#define AMTf_AMAGIC 1
5238#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5239#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5240#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5241
5242#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
5243
5244/*
5245 * some compilers like to redefine cos et alia as faster
5246 * (and less accurate?) versions called F_cos et cetera (Quidquid
5247 * latine dictum sit, altum viditur.) This trick collides with
5248 * the Perl overloading (amg). The following #defines fool both.
5249 */
5250
5251#ifdef _FASTMATH
5252# ifdef atan2
5253# define F_atan2_amg atan2_amg
5254# endif
5255# ifdef cos
5256# define F_cos_amg cos_amg
5257# endif
5258# ifdef exp
5259# define F_exp_amg exp_amg
5260# endif
5261# ifdef log
5262# define F_log_amg log_amg
5263# endif
5264# ifdef pow
5265# define F_pow_amg pow_amg
5266# endif
5267# ifdef sin
5268# define F_sin_amg sin_amg
5269# endif
5270# ifdef sqrt
5271# define F_sqrt_amg sqrt_amg
5272# endif
5273#endif /* _FASTMATH */
5274
5275#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5276 PERLDBf_NOOPT | PERLDBf_INTER | \
5277 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
5278 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5279 PERLDBf_SAVESRC)
5280 /* No _NONAME, _GOTO */
5281#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5282#define PERLDBf_LINE 0x02 /* Keep line # */
5283#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5284#define PERLDBf_INTER 0x08 /* Preserve more data for
5285 later inspections */
5286#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5287#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5288#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5289#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5290#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5291#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
5292#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
5293#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
5294#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
5295
5296#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5297#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5298#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5299#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5300#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5301#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5302#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5303#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
5304#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5305#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
5306#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
5307#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5308#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
5309
5310#ifdef USE_LOCALE_NUMERIC
5311
5312#define SET_NUMERIC_STANDARD() \
5313 set_numeric_standard();
5314
5315#define SET_NUMERIC_LOCAL() \
5316 set_numeric_local();
5317
5318/* Returns non-zero If the plain locale pragma without a parameter is in effect
5319 */
5320#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
5321
5322/* Returns non-zero If either form of the locale pragma is in effect */
5323#define IN_SOME_LOCALE_FORM_RUNTIME \
5324 (CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
5325
5326#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5327#define IN_SOME_LOCALE_FORM_COMPILETIME \
5328 (PL_hints & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
5329
5330#define IN_LOCALE \
5331 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
5332#define IN_SOME_LOCALE_FORM \
5333 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5334 : IN_SOME_LOCALE_FORM_RUNTIME)
5335
5336#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
5337 bool was_local = PL_numeric_local && IN_LOCALE; \
5338 if (was_local) SET_NUMERIC_STANDARD();
5339
5340#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
5341 bool was_standard = PL_numeric_standard && IN_LOCALE; \
5342 if (was_standard) SET_NUMERIC_LOCAL();
5343
5344#define RESTORE_NUMERIC_LOCAL() \
5345 if (was_local) SET_NUMERIC_LOCAL();
5346
5347#define RESTORE_NUMERIC_STANDARD() \
5348 if (was_standard) SET_NUMERIC_STANDARD();
5349
5350#define Atof my_atof
5351
5352#else /* !USE_LOCALE_NUMERIC */
5353
5354#define SET_NUMERIC_STANDARD() /**/
5355#define SET_NUMERIC_LOCAL() /**/
5356#define IS_NUMERIC_RADIX(a, b) (0)
5357#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5358#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
5359#define RESTORE_NUMERIC_LOCAL() /**/
5360#define RESTORE_NUMERIC_STANDARD() /**/
5361#define Atof my_atof
5362#define IN_LOCALE_RUNTIME 0
5363#define IN_LOCALE_COMPILETIME 0
5364
5365#endif /* !USE_LOCALE_NUMERIC */
5366
5367#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5368 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5369# ifdef __hpux
5370# define strtoll __strtoll /* secret handshake */
5371# endif
5372# ifdef WIN64
5373# define strtoll _strtoi64 /* secret handshake */
5374# endif
5375# if !defined(Strtol) && defined(HAS_STRTOLL)
5376# define Strtol strtoll
5377# endif
5378# if !defined(Strtol) && defined(HAS_STRTOQ)
5379# define Strtol strtoq
5380# endif
5381/* is there atoq() anywhere? */
5382#endif
5383#if !defined(Strtol) && defined(HAS_STRTOL)
5384# define Strtol strtol
5385#endif
5386#ifndef Atol
5387/* It would be more fashionable to use Strtol() to define atol()
5388 * (as is done for Atoul(), see below) but for backward compatibility
5389 * we just assume atol(). */
5390# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5391 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5392# ifdef WIN64
5393# define atoll _atoi64 /* secret handshake */
5394# endif
5395# define Atol atoll
5396# else
5397# define Atol atol
5398# endif
5399#endif
5400
5401#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5402 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
5403# ifdef __hpux
5404# define strtoull __strtoull /* secret handshake */
5405# endif
5406# ifdef WIN64
5407# define strtoull _strtoui64 /* secret handshake */
5408# endif
5409# if !defined(Strtoul) && defined(HAS_STRTOULL)
5410# define Strtoul strtoull
5411# endif
5412# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5413# define Strtoul strtouq
5414# endif
5415/* is there atouq() anywhere? */
5416#endif
5417#if !defined(Strtoul) && defined(HAS_STRTOUL)
5418# define Strtoul strtoul
5419#endif
5420#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5421# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5422#endif
5423#ifndef Atoul
5424# define Atoul(s) Strtoul(s, NULL, 10)
5425#endif
5426
5427
5428/* if these never got defined, they need defaults */
5429#ifndef PERL_SET_CONTEXT
5430# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5431#endif
5432
5433#ifndef PERL_GET_CONTEXT
5434# define PERL_GET_CONTEXT PERL_GET_INTERP
5435#endif
5436
5437#ifndef PERL_GET_THX
5438# define PERL_GET_THX ((void*)NULL)
5439#endif
5440
5441#ifndef PERL_SET_THX
5442# define PERL_SET_THX(t) NOOP
5443#endif
5444
5445#ifndef PERL_SCRIPT_MODE
5446#define PERL_SCRIPT_MODE "r"
5447#endif
5448
5449/*
5450 * Some operating systems are stingy with stack allocation,
5451 * so perl may have to guard against stack overflow.
5452 */
5453#ifndef PERL_STACK_OVERFLOW_CHECK
5454#define PERL_STACK_OVERFLOW_CHECK() NOOP
5455#endif
5456
5457/*
5458 * Some nonpreemptive operating systems find it convenient to
5459 * check for asynchronous conditions after each op execution.
5460 * Keep this check simple, or it may slow down execution
5461 * massively.
5462 */
5463
5464#ifndef PERL_MICRO
5465# ifndef PERL_ASYNC_CHECK
5466# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
5467# endif
5468#endif
5469
5470#ifndef PERL_ASYNC_CHECK
5471# define PERL_ASYNC_CHECK() NOOP
5472#endif
5473
5474/*
5475 * On some operating systems, a memory allocation may succeed,
5476 * but put the process too close to the system's comfort limit.
5477 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5478 * it to NULL.
5479 */
5480#ifndef PERL_ALLOC_CHECK
5481#define PERL_ALLOC_CHECK(p) NOOP
5482#endif
5483
5484#ifdef HAS_SEM
5485# include <sys/ipc.h>
5486# include <sys/sem.h>
5487# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5488 union semun {
5489 int val;
5490 struct semid_ds *buf;
5491 unsigned short *array;
5492 };
5493# endif
5494# ifdef USE_SEMCTL_SEMUN
5495# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5496 union gccbug_semun {
5497 int val;
5498 struct semid_ds *buf;
5499 unsigned short *array;
5500 char __dummy[5];
5501 };
5502# define semun gccbug_semun
5503# endif
5504# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5505# else
5506# ifdef USE_SEMCTL_SEMID_DS
5507# ifdef EXTRA_F_IN_SEMUN_BUF
5508# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5509# else
5510# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5511# endif
5512# endif
5513# endif
5514#endif
5515
5516/*
5517 * Boilerplate macros for initializing and accessing interpreter-local
5518 * data from C. All statics in extensions should be reworked to use
5519 * this, if you want to make the extension thread-safe. See
5520 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5521 * and perlxs.pod for more.
5522 *
5523 * Code that uses these macros is responsible for the following:
5524 * 1. #define MY_CXT_KEY to a unique string, e.g.
5525 * "DynaLoader::_guts" XS_VERSION
5526 * XXX in the current implementation, this string is ignored.
5527 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5528 * all the data that needs to be interpreter-local.
5529 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5530 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5531 * (typically put in the BOOT: section).
5532 * 5. Use the members of the my_cxt_t structure everywhere as
5533 * MY_CXT.member.
5534 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5535 * access MY_CXT.
5536 */
5537
5538#if defined(PERL_IMPLICIT_CONTEXT)
5539
5540/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
5541 * right after the definition (i.e. at file scope). The non-threads
5542 * case below uses it to declare the data as static. */
5543# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5544# define START_MY_CXT
5545# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5546# define MY_CXT_INIT_ARG MY_CXT_KEY
5547# else
5548# define START_MY_CXT static int my_cxt_index = -1;
5549# define MY_CXT_INDEX my_cxt_index
5550# define MY_CXT_INIT_ARG &my_cxt_index
5551# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
5552
5553/* Creates and zeroes the per-interpreter data.
5554 * (We allocate my_cxtp in a Perl SV so that it will be released when
5555 * the interpreter goes away.) */
5556# define MY_CXT_INIT \
5557 my_cxt_t *my_cxtp = \
5558 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5559 PERL_UNUSED_VAR(my_cxtp)
5560# define MY_CXT_INIT_INTERP(my_perl) \
5561 my_cxt_t *my_cxtp = \
5562 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5563 PERL_UNUSED_VAR(my_cxtp)
5564
5565/* This declaration should be used within all functions that use the
5566 * interpreter-local data. */
5567# define dMY_CXT \
5568 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
5569# define dMY_CXT_INTERP(my_perl) \
5570 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5571
5572/* Clones the per-interpreter data. */
5573# define MY_CXT_CLONE \
5574 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5575 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5576 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5577
5578
5579/* This macro must be used to access members of the my_cxt_t structure.
5580 * e.g. MY_CXT.some_data */
5581# define MY_CXT (*my_cxtp)
5582
5583/* Judicious use of these macros can reduce the number of times dMY_CXT
5584 * is used. Use is similar to pTHX, aTHX etc. */
5585# define pMY_CXT my_cxt_t *my_cxtp
5586# define pMY_CXT_ pMY_CXT,
5587# define _pMY_CXT ,pMY_CXT
5588# define aMY_CXT my_cxtp
5589# define aMY_CXT_ aMY_CXT,
5590# define _aMY_CXT ,aMY_CXT
5591
5592#else /* PERL_IMPLICIT_CONTEXT */
5593
5594# define START_MY_CXT static my_cxt_t my_cxt;
5595# define dMY_CXT_SV dNOOP
5596# define dMY_CXT dNOOP
5597# define dMY_CXT_INTERP(my_perl) dNOOP
5598# define MY_CXT_INIT NOOP
5599# define MY_CXT_CLONE NOOP
5600# define MY_CXT my_cxt
5601
5602# define pMY_CXT void
5603# define pMY_CXT_
5604# define _pMY_CXT
5605# define aMY_CXT
5606# define aMY_CXT_
5607# define _aMY_CXT
5608
5609#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
5610
5611#ifdef I_FCNTL
5612# include <fcntl.h>
5613#endif
5614
5615#ifdef __Lynx__
5616# include <fcntl.h>
5617#endif
5618
5619#ifdef I_SYS_FILE
5620# include <sys/file.h>
5621#endif
5622
5623#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
5624int flock(int fd, int op);
5625#endif
5626
5627#ifndef O_RDONLY
5628/* Assume UNIX defaults */
5629# define O_RDONLY 0000
5630# define O_WRONLY 0001
5631# define O_RDWR 0002
5632# define O_CREAT 0100
5633#endif
5634
5635#ifndef O_BINARY
5636# define O_BINARY 0
5637#endif
5638
5639#ifndef O_TEXT
5640# define O_TEXT 0
5641#endif
5642
5643#if O_TEXT != O_BINARY
5644 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5645 * that is, you are somehow DOSish. */
5646# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5647 defined(__CYGWIN__)
5648 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5649 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
5650 /* VOS has O_TEXT != O_BINARY, and they have effect,
5651 * but VOS always uses LF, never CRLF. */
5652 /* If you have O_TEXT different from your O_BINARY but you still are
5653 * not a CRLF shop. */
5654# undef PERLIO_USING_CRLF
5655# else
5656 /* If you really are DOSish. */
5657# define PERLIO_USING_CRLF 1
5658# endif
5659#endif
5660
5661#ifdef I_LIBUTIL
5662# include <libutil.h> /* setproctitle() in some FreeBSDs */
5663#endif
5664
5665#ifndef EXEC_ARGV_CAST
5666#define EXEC_ARGV_CAST(x) (char **)x
5667#endif
5668
5669#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5670 int). value returned in pointed-
5671 to UV */
5672#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5673#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5674#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5675#define IS_NUMBER_INFINITY 0x10 /* this is big */
5676#define IS_NUMBER_NAN 0x20 /* this is not */
5677
5678#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5679
5680/* Input flags: */
5681#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
5682#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
5683#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
5684#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5685 numbers which are <= UV_MAX */
5686/* Output flags: */
5687#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5688
5689/* to let user control profiling */
5690#ifdef PERL_GPROF_CONTROL
5691extern void moncontrol(int);
5692#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5693#else
5694#define PERL_GPROF_MONCONTROL(x)
5695#endif
5696
5697#ifdef UNDER_CE
5698#include "wince.h"
5699#endif
5700
5701/* ISO 6429 NEL - C1 control NExt Line */
5702/* See http://www.unicode.org/unicode/reports/tr13/ */
5703#define NEXT_LINE_CHAR NEXT_LINE_NATIVE
5704
5705/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5706#define UNICODE_LINE_SEPA_0 0xE2
5707#define UNICODE_LINE_SEPA_1 0x80
5708#define UNICODE_LINE_SEPA_2 0xA8
5709#define UNICODE_PARA_SEPA_0 0xE2
5710#define UNICODE_PARA_SEPA_1 0x80
5711#define UNICODE_PARA_SEPA_2 0xA9
5712
5713#ifndef PIPESOCK_MODE
5714# define PIPESOCK_MODE
5715#endif
5716
5717#ifndef SOCKET_OPEN_MODE
5718# define SOCKET_OPEN_MODE PIPESOCK_MODE
5719#endif
5720
5721#ifndef PIPE_OPEN_MODE
5722# define PIPE_OPEN_MODE PIPESOCK_MODE
5723#endif
5724
5725#define PERL_MAGIC_UTF8_CACHESIZE 2
5726
5727#define PERL_UNICODE_STDIN_FLAG 0x0001
5728#define PERL_UNICODE_STDOUT_FLAG 0x0002
5729#define PERL_UNICODE_STDERR_FLAG 0x0004
5730#define PERL_UNICODE_IN_FLAG 0x0008
5731#define PERL_UNICODE_OUT_FLAG 0x0010
5732#define PERL_UNICODE_ARGV_FLAG 0x0020
5733#define PERL_UNICODE_LOCALE_FLAG 0x0040
5734#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5735#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
5736
5737#define PERL_UNICODE_STD_FLAG \
5738 (PERL_UNICODE_STDIN_FLAG | \
5739 PERL_UNICODE_STDOUT_FLAG | \
5740 PERL_UNICODE_STDERR_FLAG)
5741
5742#define PERL_UNICODE_INOUT_FLAG \
5743 (PERL_UNICODE_IN_FLAG | \
5744 PERL_UNICODE_OUT_FLAG)
5745
5746#define PERL_UNICODE_DEFAULT_FLAGS \
5747 (PERL_UNICODE_STD_FLAG | \
5748 PERL_UNICODE_INOUT_FLAG | \
5749 PERL_UNICODE_LOCALE_FLAG)
5750
5751#define PERL_UNICODE_ALL_FLAGS 0x01ff
5752
5753#define PERL_UNICODE_STDIN 'I'
5754#define PERL_UNICODE_STDOUT 'O'
5755#define PERL_UNICODE_STDERR 'E'
5756#define PERL_UNICODE_STD 'S'
5757#define PERL_UNICODE_IN 'i'
5758#define PERL_UNICODE_OUT 'o'
5759#define PERL_UNICODE_INOUT 'D'
5760#define PERL_UNICODE_ARGV 'A'
5761#define PERL_UNICODE_LOCALE 'L'
5762#define PERL_UNICODE_WIDESYSCALLS 'W'
5763#define PERL_UNICODE_UTF8CACHEASSERT 'a'
5764
5765#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5766
5767/* Use instead of abs() since abs() forces its argument to be an int,
5768 * but also beware since this evaluates its argument twice, so no x++. */
5769#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5770
5771#if defined(__DECC) && defined(__osf__)
5772#pragma message disable (mainparm) /* Perl uses the envp in main(). */
5773#endif
5774
5775#define do_open(g, n, l, a, rm, rp, sf) \
5776 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
5777#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
5778# define do_exec(cmd) do_exec3(cmd,0,0)
5779#endif
5780#ifdef OS2
5781# define do_aexec Perl_do_aexec
5782#else
5783# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
5784#endif
5785
5786#if defined(OEMVS)
5787#define NO_ENV_ARRAY_IN_MAIN
5788#endif
5789
5790/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5791 * are here so that they are available throughout the core
5792 * NOTE that even though some are for _escape and some for _pretty
5793 * there must not be any clashes as the flags from _pretty are
5794 * passed straight through to _escape.
5795 */
5796
5797#define PERL_PV_ESCAPE_QUOTE 0x0001
5798#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5799
5800#define PERL_PV_PRETTY_ELLIPSES 0x0002
5801#define PERL_PV_PRETTY_LTGT 0x0004
5802
5803#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5804
5805#define PERL_PV_ESCAPE_UNI 0x0100
5806#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
5807#define PERL_PV_ESCAPE_NONASCII 0x0400
5808
5809#define PERL_PV_ESCAPE_ALL 0x1000
5810#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5811#define PERL_PV_ESCAPE_NOCLEAR 0x4000
5812#define PERL_PV_ESCAPE_RE 0x8000
5813
5814#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5815
5816/* used by pv_display in dump.c*/
5817#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
5818#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
5819
5820/*
5821
5822 (KEEP THIS LAST IN perl.h!)
5823
5824 Mention
5825
5826 NV_PRESERVES_UV
5827
5828 HAS_MKSTEMP
5829 HAS_MKSTEMPS
5830 HAS_MKDTEMP
5831
5832 HAS_GETCWD
5833
5834 HAS_MMAP
5835 HAS_MPROTECT
5836 HAS_MSYNC
5837 HAS_MADVISE
5838 HAS_MUNMAP
5839 I_SYSMMAN
5840 Mmap_t
5841
5842 NVef
5843 NVff
5844 NVgf
5845
5846 HAS_UALARM
5847 HAS_USLEEP
5848
5849 HAS_SETITIMER
5850 HAS_GETITIMER
5851
5852 HAS_SENDMSG
5853 HAS_RECVMSG
5854 HAS_READV
5855 HAS_WRITEV
5856 I_SYSUIO
5857 HAS_STRUCT_MSGHDR
5858 HAS_STRUCT_CMSGHDR
5859
5860 HAS_NL_LANGINFO
5861
5862 HAS_DIRFD
5863
5864 so that Configure picks them up.
5865
5866 (KEEP THIS LAST IN perl.h!)
5867
5868*/
5869
5870#endif /* Include guard */
5871
5872/*
5873 * Local variables:
5874 * c-indentation-style: bsd
5875 * c-basic-offset: 4
5876 * indent-tabs-mode: nil
5877 * End:
5878 *
5879 * ex: set ts=8 sts=4 sw=4 et:
5880 */
Unnamed repository; edit this file 'description' to name the repository.