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a0d0e21e 1/* perl.h
a687059c 2 *
e6906430 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
ae53e38e 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 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.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
aaacdc8b
GS		 40#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
41# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
42#endif
43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 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
f4a6c1f7
JH		 51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS		 58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS		 62# define MULTIPLICITY
63# endif
64#endif
65
4d1ff10f 66#ifdef USE_5005THREADS
c5be433b
GS		 67# ifndef PERL_IMPLICIT_CONTEXT
68# define PERL_IMPLICIT_CONTEXT
69# endif
c5be433b
GS		 70#endif
71
c5be433b
GS		 72#if defined(MULTIPLICITY)
73# ifndef PERL_IMPLICIT_CONTEXT
74# define PERL_IMPLICIT_CONTEXT
75# endif
c5be433b
GS		 76#endif
77
026fd48b
GH		 78/* undef WIN32 when building on Cygwin (for libwin32) - gph */
79#ifdef __CYGWIN__
80# undef WIN32
81# undef _WIN32
82#endif
83
10bc17b6
JH		 84/* Use the reentrant APIs like localtime_r and getpwent_r */
85/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6bf46c2a 86#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 87# define USE_REENTRANT_API
88#endif
89
ac6bedea
JH		 90/* <--- here ends the logic shared by perl.h and makedef.pl */
91
7865c879 92/*
6bf46c2a
JH		 93 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
94 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
7865c879
JH		 95 * __bsdi__ for BSD/OS
96 */
6bf46c2a 97#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
7865c879
JH		 98# ifndef BSDish
99# define BSDish
100# endif
101#endif
102
1a6eb1c8 103
c5be433b 104#ifdef PERL_IMPLICIT_CONTEXT
1a6eb1c8 105
4d1ff10f 106# ifdef USE_5005THREADS
c5be433b 107struct perl_thread;
1a6eb1c8 108# define tTHX register struct perl_thread *
24e8e624 109# define pTHX register struct perl_thread *thr PERL_UNUSED_DECL
c5be433b 110# define aTHX thr
411caa50 111# define dTHR dNOOP /* only backward compatibility */
fd89de3a 112# define dTHXa(a) pTHX = (struct perl_thread*)a
c5be433b 113# else
f63b9778
GS		 114# ifndef MULTIPLICITY
115# define MULTIPLICITY
116# endif
fe397c97 117# define tTHX PerlInterpreter*
43b2f713 118# define pTHX register tTHX my_perl PERL_UNUSED_DECL
c5be433b 119# define aTHX my_perl
fe397c97 120# define dTHXa(a) pTHX = (tTHX)a
c5be433b 121# endif
fd89de3a 122# define dTHX pTHX = PERL_GET_THX
c5be433b 123# define pTHX_ pTHX,
c5be433b 124# define aTHX_ aTHX,
065cbbe5 125# define pTHX_1 2
894356b3
GS		 126# define pTHX_2 3
127# define pTHX_3 4
128# define pTHX_4 5
065cbbe5
AL		 129# define pTHX_5 6
130# define pTHX_6 7
8c18bf38
AL		 131# define pTHX_7 8
132# define pTHX_8 9
133# define pTHX_9 10
fe397c97
JD		 134#else
135# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 136#endif
137
76e3520e
GS		 138#define STATIC static
139#define CPERLscope(x) x
565764a8 140#define CPERLarg void
76e3520e 141#define CPERLarg_
e3b8966e 142#define _CPERLarg
1d583055
GS		 143#define PERL_OBJECT_THIS
144#define _PERL_OBJECT_THIS
145#define PERL_OBJECT_THIS_
312caa8e 146#define CALL_FPTR(fptr) (*fptr)
76e3520e 147
312caa8e
CS		 148#define CALLRUNOPS CALL_FPTR(PL_runops)
149#define CALLREGCOMP CALL_FPTR(PL_regcompp)
150#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 151#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
152#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
153#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 154
43b2f713
AL		 155/*
156 * Because of backward compatibility reasons the PERL_UNUSED_DECL
157 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
158 *
159 * Note that there are C compilers such as MetroWerks CodeWarrior
160 * which do not have an "inlined" way (like the gcc __attribute__) of
161 * marking unused variables (they need e.g. a #pragma) and therefore
162 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
163 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
164 *
165 */
cb7b5b16 166
14dd3ad8
GS		 167#ifdef PERL_FLEXIBLE_EXCEPTIONS
168# define CALLPROTECT CALL_FPTR(PL_protect)
169#endif
312caa8e 170
24c2fff4
NC		 171#if defined(SYMBIAN) && defined(__GNUC__)
172# ifdef __cplusplus
3da75212
MB		 173# define PERL_UNUSED_DECL
174# else
175# define PERL_UNUSED_DECL __attribute__((unused))
176# endif
24c2fff4
NC		 177#endif
178
179#ifndef PERL_UNUSED_DECL
b21e3693 180# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
24c2fff4
NC		 181# define PERL_UNUSED_DECL __attribute__unused__
182# else
183# define PERL_UNUSED_DECL
184# endif
44dbb695
JH		 185#endif
186
349b520e
DM		 187/* gcc -Wall:
188 * for silencing unused variables that are actually used most of the time,
5332c881 189 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 190 */
0188be2e 191#ifndef PERL_UNUSED_ARG
161d0ac1 192# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
71a0dd65 193# include <note.h>
0188be2e 194# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
71a0dd65 195# else
0188be2e 196# define PERL_UNUSED_ARG(x) ((void)x)
71a0dd65
NC		 197# endif
198#endif
0188be2e
AL		 199#ifndef PERL_UNUSED_VAR
200# define PERL_UNUSED_VAR(x) ((void)x)
201#endif
71a0dd65 202
1e7ed80e
AL		 203#ifdef USE_ITHREADS
204# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
205#else
206# define PERL_UNUSED_CONTEXT
207#endif
208
c9c8c8e1 209#define NOOP /*EMPTY*/(void)0
209f66d7
NC		 210#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
211#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
212#else
c9c8c8e1 213#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
209f66d7 214#endif
71be2cbc 215
0cb96387 216#ifndef pTHX
fe397c97
JD		 217/* Don't bother defining tTHX and sTHX; using them outside
218 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
219 */
0cb96387
GS		 220# define pTHX void
221# define pTHX_
0cb96387
GS		 222# define aTHX
223# define aTHX_
0cb96387
GS		 224# define dTHXa(a) dNOOP
225# define dTHX dNOOP
894356b3
GS		 226# define pTHX_1 1
227# define pTHX_2 2
228# define pTHX_3 3
229# define pTHX_4 4
065cbbe5
AL		 230# define pTHX_5 5
231# define pTHX_6 6
8c18bf38
AL		 232# define pTHX_7 7
233# define pTHX_8 8
234# define pTHX_9 9
0cb96387
GS		 235#endif
236
b4f7f263
GS		 237/* these are only defined for compatibility; should not be used internally */
238#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 239# define pTHXo pTHX
240# define pTHXo_ pTHX_
0cb96387
GS		 241# define aTHXo aTHX
242# define aTHXo_ aTHX_
c5be433b 243# define dTHXo dTHX
71d280e3 244# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 245#endif
246
247#ifndef pTHXx
248# define pTHXx register PerlInterpreter *my_perl
249# define pTHXx_ pTHXx,
0cb96387
GS		 250# define aTHXx my_perl
251# define aTHXx_ aTHXx,
c5be433b 252# define dTHXx dTHX
22c35a8c 253#endif
71be2cbc 254
1de7c2ac
GS		 255/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
256 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
257 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
258#ifdef PERL_IMPLICIT_SYS
259# define dTHXs dTHX
260#else
261# define dTHXs dNOOP
262#endif
263
326b05e3
GS		 264#undef START_EXTERN_C
265#undef END_EXTERN_C
266#undef EXTERN_C
32f822de
GS		 267#ifdef __cplusplus
268# define START_EXTERN_C extern "C" {
269# define END_EXTERN_C }
270# define EXTERN_C extern "C"
271#else
d460ef45
NIS		 272# define START_EXTERN_C
273# define END_EXTERN_C
73c4f7a1 274# define EXTERN_C extern
32f822de
GS		 275#endif
276
a6b7932f
JH		 277/* Some platforms require marking function declarations
278 * for them to be exportable. Used in perlio.h, proto.h
279 * is handled either by the makedef.pl or by defining the
280 * PERL_CALLCONV to be something special. See also the
281 * definition of XS() in XSUB.h. */
282#ifndef PERL_EXPORT_C
0bfdb59a
NC		 283# ifdef __cplusplus
284# define PERL_EXPORT_C extern "C"
285# else
286# define PERL_EXPORT_C extern
287# endif
a6b7932f
JH		 288#endif
289#ifndef PERL_XS_EXPORT_C
0bfdb59a
NC		 290# ifdef __cplusplus
291# define PERL_XS_EXPORT_C extern "C"
292# else
293# define PERL_XS_EXPORT_C
294# endif
a6b7932f
JH		 295#endif
296
462e5cf6
MB		 297#ifdef OP_IN_REGISTER
298# ifdef __GNUC__
299# define stringify_immed(s) #s
300# define stringify(s) stringify_immed(s)
d1ca3daa 301register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 302# endif
303#endif
304
2aa095be 305/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
d2ae4405
JH		 306 * g++ allows them but seems to have problems with them
307 * (insane errors ensue). */
308#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus))
b25a8111 309# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
31ab2e0d
NC		 310# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
311# endif
653fb8f3
JH		 312#endif
313
b25a8111
NC		 314#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
315# ifndef PERL_USE_GCC_BRACE_GROUPS
316# define PERL_USE_GCC_BRACE_GROUPS
317# endif
318#endif
319
728e2803 320/*
321 * STMT_START { statements; } STMT_END;
322 * can be used as a single statement, as in
323 * if (x) STMT_START { ... } STMT_END; else ...
324 *
325 * Trying to select a version that gives no warnings...
326 */
327#if !(defined(STMT_START) && defined(STMT_END))
b25a8111 328# ifdef PERL_USE_GCC_BRACE_GROUPS
5332c881 329# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 330# define STMT_END )
331# else
332 /* Now which other defined()s do we need here ??? */
5b7ea690 333# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 334# define STMT_START if (1)
335# define STMT_END else (void)0
336# else
337# define STMT_START do
338# define STMT_END while (0)
339# endif
340# endif
341#endif
342
0cb96387 343#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 344#define WITH_THR(s) WITH_THX(s)
ea0efc06 345
6ee623d5 346#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
79072805
LW		 347# define BYTEORDER 0x1234
348#endif
349
350/* Overall memory policy? */
351#ifndef CONSERVATIVE
352# define LIBERAL 1
353#endif
354
8ada0baa
JH		 355#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
356#define ASCIIish
357#else
358#undef ASCIIish
359#endif
360
79072805
LW		 361/*
362 * The following contortions are brought to you on behalf of all the
363 * standards, semi-standards, de facto standards, not-so-de-facto standards
364 * of the world, as well as all the other botches anyone ever thought of.
365 * The basic theory is that if we work hard enough here, the rest of the
366 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
367 */
ac58e20f 368
ee0007ab 369/* define this once if either system, instead of cluttering up the src */
2986a63f 370#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 371#define DOSISH 1
372#endif
373
b14528dd 374#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 375# define STANDARD_C 1
376#endif
377
74563541 378#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 379# define DONT_DECLARE_STD 1
380#endif
381
352d5a3a 382#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 383# ifdef __cplusplus
cb69f87a 384# define VOL /* to temporarily suppress warnings */
79072805
LW		 385# else
386# define VOL volatile
387# endif
663a0e37 388#else
79072805 389# define VOL
663a0e37
LW		 390#endif
391
3280af22
NIS		 392#define TAINT (PL_tainted = TRUE)
393#define TAINT_NOT (PL_tainted = FALSE)
394#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
395#define TAINT_ENV() if (PL_tainting) { taint_env(); }
0e2d6244 396#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 397
d460ef45 398/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 399 defines move there? If so, I could simplify this a lot. --AD 9/96.
400*/
401/* Process group stuff changed from traditional BSD to POSIX.
402 perlfunc.pod documents the traditional BSD-style syntax, so we'll
403 try to preserve that, if possible.
404*/
405#ifdef HAS_SETPGID
406# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 407#else
a6e633de 408# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
409# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
410# else
411# ifdef HAS_SETPGRP2 /* DG/UX */
412# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
413# endif
414# endif
415#endif
416#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
417# define HAS_SETPGRP /* Well, effectively it does . . . */
418#endif
419
420/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
421 our life easier :-) so we'll try it.
422*/
423#ifdef HAS_GETPGID
424# define BSD_GETPGRP(pid) getpgid((pid))
425#else
426# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
427# define BSD_GETPGRP(pid) getpgrp((pid))
428# else
429# ifdef HAS_GETPGRP2 /* DG/UX */
430# define BSD_GETPGRP(pid) getpgrp2((pid))
431# endif
432# endif
433#endif
434#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
435# define HAS_GETPGRP /* Well, effectively it does . . . */
436#endif
437
d460ef45 438/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 439 have different behaviors, but perl.h used to define USE_BSDPGRP
440 (prior to 5.003_05) so some extension might depend on it.
441*/
442#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
443# ifndef USE_BSDPGRP
444# define USE_BSDPGRP
445# endif
663a0e37
LW		 446#endif
447
8ac5a1fe
MH		 448/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
449 pthread.h must be included before all other header files.
450*/
4d1ff10f 451#if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) \
1feb2720 452 && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 453# include <pthread.h>
454#endif
455
760ac839
LW		 456#ifndef _TYPES_ /* If types.h defines this it's easy. */
457# ifndef major /* Does everyone's types.h define this? */
458# include <sys/types.h>
c07a80fd 459# endif
663a0e37
LW		 460#endif
461
760ac839
LW		 462#ifdef __cplusplus
463# ifndef I_STDARG
464# define I_STDARG 1
465# endif
466#endif
467
468#ifdef I_STDARG
469# include <stdarg.h>
470#else
471# ifdef I_VARARGS
472# include <varargs.h>
473# endif
474#endif
475
4633a7c4 476#ifdef USE_NEXT_CTYPE
0c30d9ec 477
092bebab
JH		 478#if NX_CURRENT_COMPILER_RELEASE >= 500
479# include <bsd/ctypes.h>
480#else
481# if NX_CURRENT_COMPILER_RELEASE >= 400
482# include <objc/NXCType.h>
483# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
484# include <appkit/NXCType.h>
485# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
486#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 487
488#else /* !USE_NEXT_CTYPE */
fe14fcc3 489#include <ctype.h>
0c30d9ec 490#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 491
492#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
493#undef METHOD
a0d0e21e
LW		 494#endif
495
12ae5dfc
JH		 496#ifdef PERL_MICRO
497# define NO_LOCALE
498#endif
499
4633a7c4 500#ifdef I_LOCALE
36477c24 501# include <locale.h>
4633a7c4
LW		 502#endif
503
36477c24 504#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
505# define USE_LOCALE
506# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
507 && defined(HAS_STRXFRM)
508# define USE_LOCALE_COLLATE
509# endif
510# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
511# define USE_LOCALE_CTYPE
512# endif
513# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
514# define USE_LOCALE_NUMERIC
515# endif
516#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 517
fe14fcc3 518#include <setjmp.h>
79072805 519
a0d0e21e 520#ifdef I_SYS_PARAM
79072805
LW		 521# ifdef PARAM_NEEDS_TYPES
522# include <sys/types.h>
523# endif
524# include <sys/param.h>
352d5a3a 525#endif
79072805 526
79072805 527/* Use all the "standard" definitions? */
a0d0e21e 528#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 529# include <stdlib.h>
ff68c719 530#endif
03a14243 531
3f270f98
JH		 532/* If this causes problems, set i_unistd=undef in the hint file. */
533#ifdef I_UNISTD
534# include <unistd.h>
535#endif
536
7114a2d2 537#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
0bfdb59a 538EXTERN_C int syscall(int, ...);
2ef53570
JH		 539#endif
540
7114a2d2 541#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
0bfdb59a 542EXTERN_C int usleep(unsigned int);
2ef53570
JH		 543#endif
544
9a34ef1d
GS		 545#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
546# define MYSWAP
547#endif
548
cc3ea0aa
NC		 549#ifdef PERL_CORE
550
551/* macros for correct constant construction */
552# if INTSIZE >= 2
553# define U16_CONST(x) ((U16)x##U)
554# else
555# define U16_CONST(x) ((U16)x##UL)
556# endif
557
558# if INTSIZE >= 4
559# define U32_CONST(x) ((U32)x##U)
560# else
561# define U32_CONST(x) ((U32)x##UL)
562# endif
563
564# ifdef HAS_QUAD
565# if INTSIZE >= 8
566# define U64_CONST(x) ((U64)x##U)
567# elif LONGSIZE >= 8
568# define U64_CONST(x) ((U64)x##UL)
569# elif QUADKIND == QUAD_IS_LONG_LONG
570# define U64_CONST(x) ((U64)x##ULL)
571# else /* best guess we can make */
572# define U64_CONST(x) ((U64)x##UL)
573# endif
574# endif
575
576/* byte-swapping functions for big-/little-endian conversion */
577# define _swab_16_(x) ((U16)( \
578 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
579 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
580
581# define _swab_32_(x) ((U32)( \
582 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
583 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
584 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
585 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
586
587# ifdef HAS_QUAD
588# define _swab_64_(x) ((U64)( \
589 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
590 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
591 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
592 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
593 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
594 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
595 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
596 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
597# endif
598
599/*----------------------------------------------------------------------------*/
600# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
601/*----------------------------------------------------------------------------*/
602# define my_htole16(x) (x)
603# define my_letoh16(x) (x)
604# define my_htole32(x) (x)
605# define my_letoh32(x) (x)
606# define my_htobe16(x) _swab_16_(x)
607# define my_betoh16(x) _swab_16_(x)
608# define my_htobe32(x) _swab_32_(x)
609# define my_betoh32(x) _swab_32_(x)
610# ifdef HAS_QUAD
611# define my_htole64(x) (x)
612# define my_letoh64(x) (x)
613# define my_htobe64(x) _swab_64_(x)
614# define my_betoh64(x) _swab_64_(x)
615# endif
616# define my_htoles(x) (x)
617# define my_letohs(x) (x)
618# define my_htolei(x) (x)
619# define my_letohi(x) (x)
620# define my_htolel(x) (x)
621# define my_letohl(x) (x)
622# if SHORTSIZE == 1
623# define my_htobes(x) (x)
624# define my_betohs(x) (x)
625# elif SHORTSIZE == 2
626# define my_htobes(x) _swab_16_(x)
627# define my_betohs(x) _swab_16_(x)
628# elif SHORTSIZE == 4
629# define my_htobes(x) _swab_32_(x)
630# define my_betohs(x) _swab_32_(x)
631# elif SHORTSIZE == 8
632# define my_htobes(x) _swab_64_(x)
633# define my_betohs(x) _swab_64_(x)
634# else
635# define PERL_NEED_MY_HTOBES
636# define PERL_NEED_MY_BETOHS
637# endif
638# if INTSIZE == 1
639# define my_htobei(x) (x)
640# define my_betohi(x) (x)
641# elif INTSIZE == 2
642# define my_htobei(x) _swab_16_(x)
643# define my_betohi(x) _swab_16_(x)
644# elif INTSIZE == 4
645# define my_htobei(x) _swab_32_(x)
646# define my_betohi(x) _swab_32_(x)
647# elif INTSIZE == 8
648# define my_htobei(x) _swab_64_(x)
649# define my_betohi(x) _swab_64_(x)
650# else
651# define PERL_NEED_MY_HTOBEI
652# define PERL_NEED_MY_BETOHI
653# endif
654# if LONGSIZE == 1
655# define my_htobel(x) (x)
656# define my_betohl(x) (x)
657# elif LONGSIZE == 2
658# define my_htobel(x) _swab_16_(x)
659# define my_betohl(x) _swab_16_(x)
660# elif LONGSIZE == 4
661# define my_htobel(x) _swab_32_(x)
662# define my_betohl(x) _swab_32_(x)
663# elif LONGSIZE == 8
664# define my_htobel(x) _swab_64_(x)
665# define my_betohl(x) _swab_64_(x)
666# else
667# define PERL_NEED_MY_HTOBEL
668# define PERL_NEED_MY_BETOHL
669# endif
670# define my_htolen(p,n) NOOP
671# define my_letohn(p,n) NOOP
672# define my_htoben(p,n) my_swabn(p,n)
673# define my_betohn(p,n) my_swabn(p,n)
674/*----------------------------------------------------------------------------*/
675# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
676/*----------------------------------------------------------------------------*/
677# define my_htobe16(x) (x)
678# define my_betoh16(x) (x)
679# define my_htobe32(x) (x)
680# define my_betoh32(x) (x)
681# define my_htole16(x) _swab_16_(x)
682# define my_letoh16(x) _swab_16_(x)
683# define my_htole32(x) _swab_32_(x)
684# define my_letoh32(x) _swab_32_(x)
685# ifdef HAS_QUAD
686# define my_htobe64(x) (x)
687# define my_betoh64(x) (x)
688# define my_htole64(x) _swab_64_(x)
689# define my_letoh64(x) _swab_64_(x)
690# endif
691# define my_htobes(x) (x)
692# define my_betohs(x) (x)
693# define my_htobei(x) (x)
694# define my_betohi(x) (x)
695# define my_htobel(x) (x)
696# define my_betohl(x) (x)
697# if SHORTSIZE == 1
698# define my_htoles(x) (x)
699# define my_letohs(x) (x)
700# elif SHORTSIZE == 2
701# define my_htoles(x) _swab_16_(x)
702# define my_letohs(x) _swab_16_(x)
703# elif SHORTSIZE == 4
704# define my_htoles(x) _swab_32_(x)
705# define my_letohs(x) _swab_32_(x)
706# elif SHORTSIZE == 8
707# define my_htoles(x) _swab_64_(x)
708# define my_letohs(x) _swab_64_(x)
709# else
710# define PERL_NEED_MY_HTOLES
711# define PERL_NEED_MY_LETOHS
712# endif
713# if INTSIZE == 1
714# define my_htolei(x) (x)
715# define my_letohi(x) (x)
716# elif INTSIZE == 2
717# define my_htolei(x) _swab_16_(x)
718# define my_letohi(x) _swab_16_(x)
719# elif INTSIZE == 4
720# define my_htolei(x) _swab_32_(x)
721# define my_letohi(x) _swab_32_(x)
722# elif INTSIZE == 8
723# define my_htolei(x) _swab_64_(x)
724# define my_letohi(x) _swab_64_(x)
725# else
726# define PERL_NEED_MY_HTOLEI
727# define PERL_NEED_MY_LETOHI
728# endif
729# if LONGSIZE == 1
730# define my_htolel(x) (x)
731# define my_letohl(x) (x)
732# elif LONGSIZE == 2
733# define my_htolel(x) _swab_16_(x)
734# define my_letohl(x) _swab_16_(x)
735# elif LONGSIZE == 4
736# define my_htolel(x) _swab_32_(x)
737# define my_letohl(x) _swab_32_(x)
738# elif LONGSIZE == 8
739# define my_htolel(x) _swab_64_(x)
740# define my_letohl(x) _swab_64_(x)
741# else
742# define PERL_NEED_MY_HTOLEL
743# define PERL_NEED_MY_LETOHL
744# endif
745# define my_htolen(p,n) my_swabn(p,n)
746# define my_letohn(p,n) my_swabn(p,n)
747# define my_htoben(p,n) NOOP
748# define my_betohn(p,n) NOOP
749/*----------------------------------------------------------------------------*/
750# else /* all other byte-orders */
751/*----------------------------------------------------------------------------*/
752# define PERL_NEED_MY_HTOLE16
753# define PERL_NEED_MY_LETOH16
754# define PERL_NEED_MY_HTOBE16
755# define PERL_NEED_MY_BETOH16
756# define PERL_NEED_MY_HTOLE32
757# define PERL_NEED_MY_LETOH32
758# define PERL_NEED_MY_HTOBE32
759# define PERL_NEED_MY_BETOH32
760# ifdef HAS_QUAD
761# define PERL_NEED_MY_HTOLE64
762# define PERL_NEED_MY_LETOH64
763# define PERL_NEED_MY_HTOBE64
764# define PERL_NEED_MY_BETOH64
765# endif
766# define PERL_NEED_MY_HTOLES
767# define PERL_NEED_MY_LETOHS
768# define PERL_NEED_MY_HTOBES
769# define PERL_NEED_MY_BETOHS
770# define PERL_NEED_MY_HTOLEI
771# define PERL_NEED_MY_LETOHI
772# define PERL_NEED_MY_HTOBEI
773# define PERL_NEED_MY_BETOHI
774# define PERL_NEED_MY_HTOLEL
775# define PERL_NEED_MY_LETOHL
776# define PERL_NEED_MY_HTOBEL
777# define PERL_NEED_MY_BETOHL
778/*----------------------------------------------------------------------------*/
779# endif /* end of byte-order macros */
780/*----------------------------------------------------------------------------*/
781
72c9d3b6
NC		 782/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
783 at least on FreeBSD. YMMV, so experiment. */
784#ifndef PERL_ARENA_SIZE
785#define PERL_ARENA_SIZE 4080
786#endif
787
cc3ea0aa
NC		 788#endif /* PERL_CORE */
789
35273943
AL		 790#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
791#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
792#endif
793
66a93824
NIS		 794/* Cannot include embed.h here on Win32 as win32.h has not
795 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
796 */
96e176bf 797#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 798# include "embed.h"
799#endif
800
c31fac66
GS		 801#define MEM_SIZE Size_t
802
9eaeeaca
NC		 803/* Round all values passed to malloc up, by default to a multiple of
804 sizeof(size_t)
805*/
806#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
807#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
808#endif
809
51371543
GS		 810#if defined(STANDARD_C) && defined(I_STDDEF)
811# include <stddef.h>
812# define STRUCT_OFFSET(s,m) offsetof(s,m)
813#else
814# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
815#endif
816
817#if defined(I_STRING) || defined(__cplusplus)
818# include <string.h>
819#else
820# include <strings.h>
821#endif
822
55497cff 823/* This comes after <stdlib.h> so we don't try to change the standard
824 * library prototypes; we'll use our own in proto.h instead. */
03a14243 825
4633a7c4 826#ifdef MYMALLOC
86058a2d 827# ifdef PERL_POLLUTE_MALLOC
ee13e175 828# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 829# define Perl_malloc malloc
830# define Perl_calloc calloc
831# define Perl_realloc realloc
832# define Perl_mfree free
ee13e175 833# endif
86058a2d
GS		 834# else
835# define EMBEDMYMALLOC /* for compatibility */
836# endif
827e134a 837
651b9576
GS		 838# define safemalloc Perl_malloc
839# define safecalloc Perl_calloc
840# define saferealloc Perl_realloc
841# define safefree Perl_mfree
26776375
JH		 842# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
843 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
844 code; \
845 } STMT_END
846# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
847 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
848# define panic_write2(s) write(2, s, strlen(s))
849# define CHECK_MALLOC_TAINT(newval) \
850 CHECK_MALLOC_TOO_LATE_FOR_( \
851 if (newval) { \
852 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
853 exit(1); })
26776375 854# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
2adc3af3 855 if (doing_taint(argc,argv,env)) { \
26776375
JH		 856 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
857 }} STMT_END;
f2517201
GS		 858#else /* MYMALLOC */
859# define safemalloc safesysmalloc
860# define safecalloc safesyscalloc
861# define saferealloc safesysrealloc
862# define safefree safesysfree
26776375
JH		 863# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
864# define CHECK_MALLOC_TAINT(newval) ((void)0)
865# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 866#endif /* MYMALLOC */
4633a7c4 867
a6b7932f 868#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)
26776375
JH		 869#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
870#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
871#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
872
a0d0e21e
LW		 873#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
874#define strchr index
875#define strrchr rindex
876#endif
877
16d20bd9
AD		 878#ifdef I_MEMORY
879# include <memory.h>
880#endif
881
fe14fcc3 882#ifdef HAS_MEMCPY
85e6fe83 883# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 884# ifndef memcpy
20ce7b12 885 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 886# endif
887# endif
888#else
889# ifndef memcpy
890# ifdef HAS_BCOPY
891# define memcpy(d,s,l) bcopy(s,d,l)
892# else
893# define memcpy(d,s,l) my_bcopy(s,d,l)
894# endif
895# endif
896#endif /* HAS_MEMCPY */
fe14fcc3 897
ee0007ab 898#ifdef HAS_MEMSET
85e6fe83 899# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 900# ifndef memset
20ce7b12 901 extern char *memset (char*, int, int);
ee0007ab
LW		 902# endif
903# endif
ee0007ab 904#else
12ae5dfc 905# undef memset
fc36a67e 906# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 907#endif /* HAS_MEMSET */
908
85e6fe83 909#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 910# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 911# define memmove(d,s,l) bcopy(s,d,l)
912# else
2304df62 913# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 914# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 915# else
79072805 916# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 917# endif
352d5a3a 918# endif
d9d8d8de 919#endif
ee0007ab 920
36477c24 921#if defined(mips) && defined(ultrix) && !defined(__STDC__)
922# undef HAS_MEMCMP
923#endif
924
925#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 926# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 927# ifndef memcmp
20ce7b12 928 extern int memcmp (char*, char*, int);
ee0007ab
LW		 929# endif
930# endif
36477c24 931# ifdef BUGGY_MSC
56b65a99 932# pragma function(memcmp)
36477c24 933# endif
ee0007ab
LW		 934#else
935# ifndef memcmp
ecfc5424 936# define memcmp my_memcmp
352d5a3a 937# endif
36477c24 938#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 939
fc36a67e 940#ifndef memzero
c635e13b 941# ifdef HAS_MEMSET
942# define memzero(d,l) memset(d,0,l)
79072805 943# else
c635e13b 944# ifdef HAS_BZERO
945# define memzero(d,l) bzero(d,l)
79072805 946# else
fc36a67e 947# define memzero(d,l) my_bzero(d,l)
79072805
LW		 948# endif
949# endif
d9d8d8de 950#endif
378cc40b 951
75a5c1c6 952#ifndef PERL_MICRO
0f27ced1
JH		 953#ifndef memchr
954# ifndef HAS_MEMCHR
955# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
956# endif
957#endif
75a5c1c6 958#endif
0f27ced1 959
36477c24 960#ifndef HAS_BCMP
961# ifndef bcmp
962# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 963# endif
36477c24 964#endif /* !HAS_BCMP */
378cc40b 965
ae986130 966#ifdef I_NETINET_IN
79072805 967# include <netinet/in.h>
ae986130
LW		 968#endif
969
28e8609d
JH		 970#ifdef I_ARPA_INET
971# include <arpa/inet.h>
972#endif
973
84902520
TB		 974#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
975/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
976 * (the neo-BSD seem to do this). */
977# undef SF_APPEND
978#endif
979
1aef975c 980#ifdef I_SYS_STAT
84902520 981# include <sys/stat.h>
1aef975c 982#endif
79072805 983
a0d0e21e
LW		 984/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
985 like UTekV) are broken, sometimes giving false positives. Undefine
986 them here and let the code below set them to proper values.
987
988 The ghs macro stands for GreenHills Software C-1.8.5 which
989 is the C compiler for sysV88 and the various derivatives.
990 This header file bug is corrected in gcc-2.5.8 and later versions.
991 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
992
993#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 994# undef S_ISDIR
995# undef S_ISCHR
996# undef S_ISBLK
997# undef S_ISREG
998# undef S_ISFIFO
999# undef S_ISLNK
ee0007ab 1000#endif
135863df 1001
663a0e37
LW		 1002#ifdef I_TIME
1003# include <time.h>
ffed7fef 1004#endif
663a0e37 1005
fe14fcc3 1006#ifdef I_SYS_TIME
85e6fe83 1007# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1008# define KERNEL
1009# endif
1010# include <sys/time.h>
85e6fe83 1011# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1012# undef KERNEL
1013# endif
a687059c 1014#endif
135863df 1015
55497cff 1016#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1017# include <sys/times.h>
d9d8d8de 1018#endif
8d063cd8 1019
fe14fcc3 1020#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1021# undef HAS_STRERROR
663a0e37
LW		 1022#endif
1023
1024#include <errno.h>
1e743fda 1025
acfe0abc 1026#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1027# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1028#endif
1029
7b24b0b0
JH		 1030/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1031 * This is important for using IPv6.
1032 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1033 * a bad idea since it breaks send() and recv(). */
1034#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1035# define _SOCKADDR_LEN
1036#endif
1037
8d3f517a 1038#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1039# include <sys/socket.h>
1040# if defined(USE_SOCKS) && defined(I_SOCKS)
1041# if !defined(INCLUDE_PROTOTYPES)
1042# define INCLUDE_PROTOTYPES /* for <socks.h> */
1043# define PERL_SOCKS_NEED_PROTOTYPES
1044# endif
4d1ff10f 1045# ifdef USE_5005THREADS
c3dedce1 1046# define PERL_USE_THREADS /* store our value */
4d1ff10f 1047# undef USE_5005THREADS
c3dedce1 1048# endif
1e743fda 1049# include <socks.h>
4d1ff10f
AB		 1050# ifdef USE_5005THREADS
1051# undef USE_5005THREADS /* socks.h does this on its own */
c3dedce1
JH		 1052# endif
1053# ifdef PERL_USE_THREADS
4d1ff10f 1054# define USE_5005THREADS /* restore our value */
c3dedce1
JH		 1055# undef PERL_USE_THREADS
1056# endif
1e743fda
JH		 1057# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1058# undef INCLUDE_PROTOTYPES
1059# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1060# endif
d460ef45 1061# endif
1e743fda 1062# ifdef I_NETDB
2986a63f
JH		 1063# ifdef NETWARE
1064# include<stdio.h>
1065# endif
1e743fda
JH		 1066# include <netdb.h>
1067# endif
1068# ifndef ENOTSOCK
1069# ifdef I_NET_ERRNO
1070# include <net/errno.h>
1071# endif
1072# endif
1073#endif
1074
fa0a29af 1075/* sockatmark() is so new (2001) that many places might have it hidden
a45b0351
JH		 1076 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1077 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1078#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
a45b0351
JH		 1079# if defined(__THROW) && defined(__GLIBC__)
1080int sockatmark(int) __THROW;
1081# else
2ef53570 1082int sockatmark(int);
a45b0351 1083# endif
2ef53570
JH		 1084#endif
1085
c7bcfdc7 1086#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. */
e2052ea3
NC		 1087EXTERN_C int fchdir(int);
1088EXTERN_C int flock(int, int);
1089EXTERN_C int fseeko(FILE *, off_t, int);
1090EXTERN_C off_t ftello(FILE *);
1091#endif
1092
c7bcfdc7 1093#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
0bfdb59a 1094EXTERN_C char *crypt(const char *, const char *);
c7bcfdc7 1095EXTERN_C char **environ;
0bfdb59a
NC		 1096#endif
1097
d1766b33
NC		 1098#if defined(__CYGWIN__) && defined(__cplusplus)
1099EXTERN_C char *crypt(const char *, const char *);
1100#endif
1101
244f8405
NC		 1102#if defined(__OpenBSD__) && defined(__cplusplus)
1103EXTERN_C char **environ;
1104#endif
1105
1e743fda
JH		 1106#ifdef SETERRNO
1107# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1108#endif
f86702cc 1109
1110#ifdef VMS
1111# define SETERRNO(errcode,vmserrcode) \
1112 STMT_START { \
1113 set_errno(errcode); \
1114 set_vaxc_errno(vmserrcode); \
1115 } STMT_END
5b7ea690
JH		 1116# define LIB_INVARG LIB$_INVARG
1117# define RMS_DIR RMS$_DIR
1118# define RMS_FAC RMS$_FAC
1119# define RMS_FEX RMS$_FEX
1120# define RMS_FNF RMS$_FNF
1121# define RMS_IFI RMS$_IFI
1122# define RMS_ISI RMS$_ISI
1123# define RMS_PRV RMS$_PRV
1124# define SS_ACCVIO SS$_ACCVIO
1125# define SS_DEVOFFLINE SS$_DEVOFFLINE
1126# define SS_IVCHAN SS$_IVCHAN
1127# define SS_NORMAL SS$_NORMAL
748a9306 1128#else
aba27d88 1129# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
5b7ea690
JH		 1130# define LIB_INVARG 0
1131# define RMS_DIR 0
1132# define RMS_FAC 0
1133# define RMS_FEX 0
1134# define RMS_FNF 0
1135# define RMS_IFI 0
1136# define RMS_ISI 0
1137# define RMS_PRV 0
1138# define SS_ACCVIO 0
1139# define SS_DEVOFFLINE 0
1140# define SS_IVCHAN 0
1141# define SS_NORMAL 0
748a9306 1142#endif
ed6116ce 1143
4d1ff10f 1144#ifdef USE_5005THREADS
38a03e6e 1145# define ERRSV (thr->errsv)
940cb80d
MB		 1146# define DEFSV THREADSV(0)
1147# define SAVE_DEFSV save_threadsv(0)
38a03e6e 1148#else
83fd6193 1149/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
3280af22 1150# define ERRSV GvSV(PL_errgv)
83fd6193 1151# define DEFSV GvSVn(PL_defgv)
3280af22 1152# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
4d1ff10f 1153#endif /* USE_5005THREADS */
38a03e6e 1154
98eae8f5
GS		 1155#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1156
55497cff 1157#ifndef errno
5ff3f7a4
GS		 1158 extern int errno; /* ANSI allows errno to be an lvalue expr.
1159 * For example in multithreaded environments
1160 * something like this might happen:
1161 * extern int *_errno(void);
1162 * #define errno (*_errno()) */
d9d8d8de 1163#endif
663a0e37 1164
2304df62 1165#ifdef HAS_STRERROR
a0d0e21e 1166# ifdef VMS
20ce7b12 1167 char *strerror (int,...);
a0d0e21e 1168# else
68dc0745 1169#ifndef DONT_DECLARE_STD
20ce7b12 1170 char *strerror (int);
68dc0745 1171#endif
a0d0e21e 1172# endif
2304df62
AD		 1173# ifndef Strerror
1174# define Strerror strerror
1175# endif
1176#else
1177# ifdef HAS_SYS_ERRLIST
79072805
LW		 1178 extern int sys_nerr;
1179 extern char *sys_errlist[];
2304df62
AD		 1180# ifndef Strerror
1181# define Strerror(e) \
79072805 1182 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1183# endif
79072805 1184# endif
35c8bce7 1185#endif
663a0e37 1186
2304df62 1187#ifdef I_SYS_IOCTL
79072805
LW		 1188# ifndef _IOCTL_
1189# include <sys/ioctl.h>
1190# endif
a687059c
LW		 1191#endif
1192
ee0007ab 1193#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1194# ifdef HAS_SOCKETPAIR
1195# undef HAS_SOCKETPAIR
1196# endif
2304df62
AD		 1197# ifdef I_NDBM
1198# undef I_NDBM
79072805 1199# endif
a687059c
LW		 1200#endif
1201
02fc2eee
NC		 1202#ifndef HAS_SOCKETPAIR
1203# ifdef HAS_SOCKET
1204# define socketpair Perl_my_socketpair
1205# endif
1206#endif
1207
a687059c 1208#if INTSIZE == 2
79072805
LW		 1209# define htoni htons
1210# define ntohi ntohs
a687059c 1211#else
79072805
LW		 1212# define htoni htonl
1213# define ntohi ntohl
a687059c
LW		 1214#endif
1215
a0d0e21e 1216/* Configure already sets Direntry_t */
35c8bce7 1217#if defined(I_DIRENT)
663a0e37 1218# include <dirent.h>
8f1f23e8
W		 1219 /* NeXT needs dirent + sys/dir.h */
1220# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1221# include <sys/dir.h>
1222# endif
ae986130 1223#else
fe14fcc3 1224# ifdef I_SYS_NDIR
79a0689e 1225# include <sys/ndir.h>
663a0e37 1226# else
fe14fcc3 1227# ifdef I_SYS_DIR
79a0689e
LW		 1228# ifdef hp9000s500
1229# include <ndir.h> /* may be wrong in the future */
1230# else
1231# include <sys/dir.h>
1232# endif
663a0e37
LW		 1233# endif
1234# endif
4633a7c4 1235#endif
a687059c 1236
12ae5dfc
JH		 1237#ifdef PERL_MICRO
1238# ifndef DIR
1239# define DIR void
1240# endif
1241#endif
1242
352d5a3a
LW		 1243#ifdef FPUTS_BOTCH
1244/* work around botch in SunOS 4.0.1 and 4.0.2 */
1245# ifndef fputs
79072805 1246# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1247# endif
1248#endif
1249
c623bd54
LW		 1250/*
1251 * The following gobbledygook brought to you on behalf of __STDC__.
1252 * (I could just use #ifndef __STDC__, but this is more bulletproof
1253 * in the face of half-implementations.)
1254 */
1255
7114a2d2 1256#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1257#include <sys/mode.h>
1258#endif
1259
c623bd54
LW		 1260#ifndef S_IFMT
1261# ifdef _S_IFMT
1262# define S_IFMT _S_IFMT
1263# else
1264# define S_IFMT 0170000
1265# endif
1266#endif
1267
1268#ifndef S_ISDIR
1269# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1270#endif
1271
1272#ifndef S_ISCHR
1273# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1274#endif
1275
1276#ifndef S_ISBLK
fe14fcc3
LW		 1277# ifdef S_IFBLK
1278# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1279# else
1280# define S_ISBLK(m) (0)
1281# endif
c623bd54
LW		 1282#endif
1283
1284#ifndef S_ISREG
1285# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1286#endif
1287
1288#ifndef S_ISFIFO
fe14fcc3
LW		 1289# ifdef S_IFIFO
1290# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1291# else
1292# define S_ISFIFO(m) (0)
1293# endif
c623bd54
LW		 1294#endif
1295
1296#ifndef S_ISLNK
1297# ifdef _S_ISLNK
1298# define S_ISLNK(m) _S_ISLNK(m)
1299# else
1300# ifdef _S_IFLNK
1301# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1302# else
1303# ifdef S_IFLNK
1304# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1305# else
1306# define S_ISLNK(m) (0)
1307# endif
1308# endif
1309# endif
1310#endif
1311
1312#ifndef S_ISSOCK
1313# ifdef _S_ISSOCK
1314# define S_ISSOCK(m) _S_ISSOCK(m)
1315# else
1316# ifdef _S_IFSOCK
1317# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1318# else
1319# ifdef S_IFSOCK
1320# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1321# else
1322# define S_ISSOCK(m) (0)
1323# endif
1324# endif
1325# endif
1326#endif
1327
1328#ifndef S_IRUSR
1329# ifdef S_IREAD
1330# define S_IRUSR S_IREAD
1331# define S_IWUSR S_IWRITE
1332# define S_IXUSR S_IEXEC
1333# else
1334# define S_IRUSR 0400
1335# define S_IWUSR 0200
1336# define S_IXUSR 0100
1337# endif
fac7cdfc
JS		 1338#endif
1339
1340#ifndef S_IRGRP
1341# ifdef S_IRUSR
1342# define S_IRGRP (S_IRUSR>>3)
1343# define S_IWGRP (S_IWUSR>>3)
1344# define S_IXGRP (S_IXUSR>>3)
1345# else
1346# define S_IRGRP 0040
1347# define S_IWGRP 0020
1348# define S_IXGRP 0010
1349# endif
1350#endif
1351
1352#ifndef S_IROTH
1353# ifdef S_IRUSR
1354# define S_IROTH (S_IRUSR>>6)
1355# define S_IWOTH (S_IWUSR>>6)
1356# define S_IXOTH (S_IXUSR>>6)
1357# else
1358# define S_IROTH 0040
1359# define S_IWOTH 0020
1360# define S_IXOTH 0010
1361# endif
c623bd54
LW		 1362#endif
1363
1364#ifndef S_ISUID
1365# define S_ISUID 04000
1366#endif
1367
1368#ifndef S_ISGID
1369# define S_ISGID 02000
1370#endif
1371
ca6e1c26
JH		 1372#ifndef S_IRWXU
1373# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1374#endif
ca6e1c26
JH		 1375
1376#ifndef S_IRWXG
1377# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1378#endif
ca6e1c26
JH		 1379
1380#ifndef S_IRWXO
1381# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1382#endif
ca6e1c26 1383
c21fb2b8
JH		 1384/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1385 * which would get included through <sys/file.h >, but that is 3000
1386 * lines in the future. --jhi */
1387
1388#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1389# define S_IREAD S_IRUSR
1390#endif
1391
c21fb2b8 1392#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1393# define S_IWRITE S_IWUSR
1394#endif
1395
1396#ifndef S_IEXEC
1397# define S_IEXEC S_IXUSR
1398#endif
1399
79072805
LW		 1400#ifdef ff_next
1401# undef ff_next
352d5a3a
LW		 1402#endif
1403
a0d0e21e 1404#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1405# define SLOPPYDIVIDE
1406#endif
1407
748a9306
LW		 1408#ifdef UV
1409#undef UV
1410#endif
1411
c89df6bf
JH		 1412#ifdef SPRINTF_E_BUG
1413# define sprintf UTS_sprintf_wrap
1414#endif
1415
37724321
NC		 1416/* For the times when you want the return value of sprintf, and you want it
1417 to be the length. Can't have a thread variable passed in, because C89 has
1418 no varargs macros.
1419*/
1420#ifdef SPRINTF_RETURNS_STRLEN
1421# define my_sprintf sprintf
b25a8111
NC		 1422#else
1423# define my_sprintf Perl_my_sprintf
1424#endif
1425
1426/*
1427 * If we have v?snprintf() and the C99 variadic macros, we can just
1428 * use just the v?snprintf(). It is nice to try to trap the buffer
1429 * overflow, however, so if we are DEBUGGING, and we cannot use the
2aa095be
NC		 1430 * gcc statement expressions, then use the function wrappers which try
1431 * to trap the overflow. If we can use the gcc statement expressions,
1432 * we can try that even with the version that uses the C99 variadic
1433 * macros.
b25a8111
NC		 1434 */
1435
1436/* Note that we do not check against snprintf()/vsnprintf() returning
1437 * negative values because that is non-standard behaviour and we use
1438 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1439 * that should be true only if the snprintf()/vsnprintf() are true
1440 * to the standard. */
1441
481ddcff 1442#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
b25a8111 1443# ifdef PERL_USE_GCC_BRACE_GROUPS
4ba2a8a0 1444# 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__; })
b25a8111
NC		 1445# define PERL_MY_SNPRINTF_GUARDED
1446# else
1447# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
b0f2d060 1448# endif
b25a8111
NC		 1449#else
1450# define my_snprintf Perl_my_snprintf
1451# define PERL_MY_SNPRINTF_GUARDED
1452#endif
1453
481ddcff 1454#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
b25a8111 1455# ifdef PERL_USE_GCC_BRACE_GROUPS
4ba2a8a0 1456# 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__; })
b25a8111
NC		 1457# define PERL_MY_VSNPRINTF_GUARDED
1458# else
1459# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
b0f2d060 1460# endif
37724321 1461#else
b25a8111
NC		 1462# define my_vsnprintf Perl_my_vsnprintf
1463# define PERL_MY_VSNPRINTF_GUARDED
37724321
NC		 1464#endif
1465
b8fbe28b
NC		 1466#ifdef HAS_STRLCAT
1467# define my_strlcat strlcat
1468#else
1469# define my_strlcat Perl_my_strlcat
1470#endif
1471
1472#ifdef HAS_STRLCPY
1473# define my_strlcpy strlcpy
1474#else
1475# define my_strlcpy Perl_my_strlcpy
1476#endif
1477
c495e728
JH		 1478/* Configure gets this right but the UTS compiler gets it wrong.
1479 -- Hal Morris <hom00@utsglobal.com> */
1480#ifdef UTS
1481# undef UVTYPE
1482# define UVTYPE unsigned
1483#endif
1484
05f13f53 1485/*
27d4fb96 1486 The IV type is supposed to be long enough to hold any integral
1487 value or a pointer.
1488 --Andy Dougherty August 1996
1489*/
1490
a22e52b9
JH		 1491typedef IVTYPE IV;
1492typedef UVTYPE UV;
8175356b 1493
10cc9d2a 1494#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1495# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1496# define IV_MAX INT64_MAX
1497# define IV_MIN INT64_MIN
1498# define UV_MAX UINT64_MAX
cae7ae48
JH		 1499# ifndef UINT64_MIN
1500# define UINT64_MIN 0
1501# endif
5ff3f7a4
GS		 1502# define UV_MIN UINT64_MIN
1503# else
1504# define IV_MAX PERL_QUAD_MAX
1505# define IV_MIN PERL_QUAD_MIN
1506# define UV_MAX PERL_UQUAD_MAX
1507# define UV_MIN PERL_UQUAD_MIN
1508# endif
cf2093f6
JH		 1509# define IV_IS_QUAD
1510# define UV_IS_QUAD
79072805 1511#else
8175356b 1512# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1513# define IV_MAX INT32_MAX
1514# define IV_MIN INT32_MIN
716026f9
DL		 1515# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1516# define UV_MAX UINT32_MAX
1517# else
1518# define UV_MAX 4294967295U
1519# endif
cae7ae48
JH		 1520# ifndef UINT32_MIN
1521# define UINT32_MIN 0
1522# endif
5ff3f7a4
GS		 1523# define UV_MIN UINT32_MIN
1524# else
1525# define IV_MAX PERL_LONG_MAX
1526# define IV_MIN PERL_LONG_MIN
1527# define UV_MAX PERL_ULONG_MAX
1528# define UV_MIN PERL_ULONG_MIN
1529# endif
8175356b 1530# if IVSIZE == 8
cf2093f6
JH		 1531# define IV_IS_QUAD
1532# define UV_IS_QUAD
de1c2614
JH		 1533# ifndef HAS_QUAD
1534# define HAS_QUAD
1535# endif
cf2093f6
JH		 1536# else
1537# undef IV_IS_QUAD
1538# undef UV_IS_QUAD
de1c2614 1539# undef HAS_QUAD
cf2093f6 1540# endif
79072805 1541#endif
d7d93a81 1542
cc3ea0aa
NC		 1543#ifndef HAS_QUAD
1544# undef PERL_NEED_MY_HTOLE64
1545# undef PERL_NEED_MY_LETOH64
1546# undef PERL_NEED_MY_HTOBE64
1547# undef PERL_NEED_MY_BETOH64
1548#endif
1549
6cde8aec 1550#if defined(uts) || defined(UTS)
11afe549
HM		 1551# undef UV_MAX
1552# define UV_MAX (4294967295u)
20601011
JH		 1553#endif
1554
cae7ae48 1555#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1556#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1557
28e5dec8 1558#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1559#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1560#endif
1561
d460ef45 1562/*
26bb67e2
JH		 1563 * The macros INT2PTR and NUM2PTR are (despite their names)
1564 * bi-directional: they will convert int/float to or from pointers.
1565 * However the conversion to int/float are named explicitly:
1566 * PTR2IV, PTR2UV, PTR2NV.
1567 *
1568 * For int conversions we do not need two casts if pointers are
1569 * the same size as IV and UV. Otherwise we need an explicit
1570 * cast (PTRV) to avoid compiler warnings.
1571 */
56431972
RB		 1572#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1573# define PTRV UV
1574# define INT2PTR(any,d) (any)(d)
1575#else
d460ef45 1576# if PTRSIZE == LONGSIZE
56431972 1577# define PTRV unsigned long
fc64cf4d 1578# define PTR2ul(p) (unsigned long)(p)
42718184 1579# else
56431972 1580# define PTRV unsigned
42718184 1581# endif
fc64cf4d
NC		 1582#endif
1583
1584#ifndef INT2PTR
56431972 1585# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1586#endif
fc64cf4d
NC		 1587
1588#ifndef PTR2ul
1589# define PTR2ul(p) INT2PTR(unsigned long,p)
1590#endif
1591
56431972
RB		 1592#define NUM2PTR(any,d) (any)(PTRV)(d)
1593#define PTR2IV(p) INT2PTR(IV,p)
1594#define PTR2UV(p) INT2PTR(UV,p)
1595#define PTR2NV(p) NUM2PTR(NV,p)
fc64cf4d 1596#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1597
1c7ab622
NC		 1598/* According to strict ANSI C89 one cannot freely cast between
1599 * data pointers and function (code) pointers. There are at least
1600 * two ways around this. One (used below) is to do two casts,
1601 * first the other pointer to an (unsigned) integer, and then
1602 * the integer to the other pointer. The other way would be
1603 * to use unions to "overlay" the pointers. For an example of
1604 * the latter technique, see union dirpu in struct xpvio in sv.h.
1605 * The only feasible use is probably temporarily storing
1606 * function pointers in a data pointer (such as a void pointer). */
1607
fc64cf4d
NC		 1608#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1609#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
1c7ab622 1610
65202027 1611#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1612# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1613# define LONG_DOUBLE_EQUALS_DOUBLE
1614# endif
68d4903c 1615# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1616# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1617# endif
1618#endif
1619
2d4389e4
JH		 1620#ifdef OVR_DBL_DIG
1621/* Use an overridden DBL_DIG */
1622# ifdef DBL_DIG
1623# undef DBL_DIG
1624# endif
1625# define DBL_DIG OVR_DBL_DIG
1626#else
1627/* The following is all to get DBL_DIG, in order to pick a nice
5b7ea690
JH		 1628 default value for printing floating point numbers in Gconvert
1629 (see config.h). (It also has other uses, such as figuring out if
1630 a given precision of printing can be done with a double instead of
1631 a long double - Allen).
2d4389e4
JH		 1632*/
1633#ifdef I_LIMITS
1634#include <limits.h>
1635#endif
1636#ifdef I_FLOAT
1637#include <float.h>
1638#endif
1639#ifndef HAS_DBL_DIG
1640#define DBL_DIG 15 /* A guess that works lots of places */
1641#endif
1642#endif
cbca01e1
JH		 1643#ifdef I_FLOAT
1644#include <float.h>
1645#endif
1646#ifndef HAS_DBL_DIG
1647#define DBL_DIG 15 /* A guess that works lots of places */
1648#endif
2d4389e4
JH		 1649
1650#ifdef OVR_LDBL_DIG
1651/* Use an overridden LDBL_DIG */
1652# ifdef LDBL_DIG
1653# undef LDBL_DIG
1654# endif
1655# define LDBL_DIG OVR_LDBL_DIG
1656#else
1657/* The following is all to get LDBL_DIG, in order to pick a nice
1658 default value for printing floating point numbers in Gconvert.
1659 (see config.h)
1660*/
68d4903c
JH		 1661# ifdef I_LIMITS
1662# include <limits.h>
1663# endif
1664# ifdef I_FLOAT
1665# include <float.h>
1666# endif
1667# ifndef HAS_LDBL_DIG
1668# if LONG_DOUBLESIZE == 10
1669# define LDBL_DIG 18 /* assume IEEE */
1670# else
1671# if LONG_DOUBLESIZE == 12
1672# define LDBL_DIG 18 /* gcc? */
1673# else
1674# if LONG_DOUBLESIZE == 16
1675# define LDBL_DIG 33 /* assume IEEE */
1676# else
1677# if LONG_DOUBLESIZE == DOUBLESIZE
1678# define LDBL_DIG DBL_DIG /* bummer */
1679# endif
1680# endif
1681# endif
1682# endif
1683# endif
2d4389e4
JH		 1684#endif
1685
5b7ea690
JH		 1686/*
1687 * This is for making sure we have a good DBL_MAX value, if possible,
1688 * either for usage as NV_MAX or for usage in figuring out if we can
1689 * fit a given long double into a double, if bug-fixing makes it
1690 * necessary to do so. - Allen <allens@cpan.org>
1691 */
1692
1693#ifdef I_LIMITS
1694# include <limits.h>
1695#endif
1696
1697#ifdef I_VALUES
1698# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1699# include <values.h>
1700# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1701# define DBL_MAX MAXDOUBLE
1702# endif
1703# if defined(MINDOUBLE) && !defined(DBL_MIN)
1704# define DBL_MIN MINDOUBLE
1705# endif
1706# endif
1707#endif /* defined(I_VALUES) */
1708
a22e52b9 1709typedef NVTYPE NV;
8175356b 1710
792d8dab
JH		 1711#ifdef I_IEEEFP
1712# include <ieeefp.h>
1713#endif
923fc586 1714
65202027 1715#ifdef USE_LONG_DOUBLE
923fc586
JH		 1716# ifdef I_SUNMATH
1717# include <sunmath.h>
1718# endif
2d4389e4 1719# define NV_DIG LDBL_DIG
d6c14000
JH		 1720# ifdef LDBL_MANT_DIG
1721# define NV_MANT_DIG LDBL_MANT_DIG
1722# endif
06fc1729
JH		 1723# ifdef LDBL_MIN
1724# define NV_MIN LDBL_MIN
1725# endif
1726# ifdef LDBL_MAX
1727# define NV_MAX LDBL_MAX
1728# endif
1729# ifdef LDBL_MIN_10_EXP
1730# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1731# endif
1732# ifdef LDBL_MAX_10_EXP
1733# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1734# endif
1735# ifdef LDBL_EPSILON
1736# define NV_EPSILON LDBL_EPSILON
1737# endif
f4a14a62
JH		 1738# ifdef LDBL_MAX
1739# define NV_MAX LDBL_MAX
5b7ea690 1740/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1741# else
1742# ifdef HUGE_VALL
1743# define NV_MAX HUGE_VALL
1744# else
1745# ifdef HUGE_VAL
1746# define NV_MAX ((NV)HUGE_VAL)
1747# endif
1748# endif
1749# endif
68d4903c 1750# ifdef HAS_SQRTL
68d4903c
JH		 1751# define Perl_cos cosl
1752# define Perl_sin sinl
1753# define Perl_sqrt sqrtl
1754# define Perl_exp expl
1755# define Perl_log logl
1756# define Perl_atan2 atan2l
1757# define Perl_pow powl
1758# define Perl_floor floorl
b6a2e6ed 1759# define Perl_ceil ceill
68d4903c
JH		 1760# define Perl_fmod fmodl
1761# endif
a3540c92
JH		 1762/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1763# ifdef HAS_MODFL
1764# define Perl_modf(x,y) modfl(x,y)
5a29c6bc
JH		 1765/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1766 prototype in <math.h> */
1767# ifndef HAS_MODFL_PROTO
922661e1 1768EXTERN_C long double modfl(long double, long double *);
5a29c6bc 1769# endif
e82e08d5 1770# else
5a29c6bc
JH		 1771# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
1772 extern long double Perl_my_modfl(long double x, long double *ip);
1773# define Perl_modf(x,y) Perl_my_modfl(x,y)
1774# endif
a3540c92
JH		 1775# endif
1776# ifdef HAS_FREXPL
dff3e0b8 1777# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5 1778# else
5a29c6bc
JH		 1779# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1780 extern long double Perl_my_frexpl(long double x, int *e);
1781# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1782# endif
a3540c92 1783# endif
38dbb4c5 1784# ifndef Perl_isnan
758a5d79
JH		 1785# ifdef HAS_ISNANL
1786# define Perl_isnan(x) isnanl(x)
1787# endif
1788# endif
1789# ifndef Perl_isinf
1790# ifdef HAS_FINITEL
1791# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1792# endif
1793# endif
65202027 1794#else
2d4389e4 1795# define NV_DIG DBL_DIG
d6c14000
JH		 1796# ifdef DBL_MANT_DIG
1797# define NV_MANT_DIG DBL_MANT_DIG
1798# endif
06fc1729
JH		 1799# ifdef DBL_MIN
1800# define NV_MIN DBL_MIN
1801# endif
1802# ifdef DBL_MAX
1803# define NV_MAX DBL_MAX
1804# endif
1805# ifdef DBL_MIN_10_EXP
1806# define NV_MIN_10_EXP DBL_MIN_10_EXP
1807# endif
1808# ifdef DBL_MAX_10_EXP
1809# define NV_MAX_10_EXP DBL_MAX_10_EXP
1810# endif
1811# ifdef DBL_EPSILON
1812# define NV_EPSILON DBL_EPSILON
1813# endif
5b7ea690 1814# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1815# define NV_MAX DBL_MAX
1816# define NV_MIN DBL_MIN
1817# else
1818# ifdef HUGE_VAL
1819# define NV_MAX HUGE_VAL
1820# endif
1821# endif
65202027
DS		 1822# define Perl_cos cos
1823# define Perl_sin sin
1824# define Perl_sqrt sqrt
1825# define Perl_exp exp
1826# define Perl_log log
1827# define Perl_atan2 atan2
1828# define Perl_pow pow
1829# define Perl_floor floor
b6a2e6ed 1830# define Perl_ceil ceil
65202027 1831# define Perl_fmod fmod
a3540c92 1832# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1833# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1834#endif
1835
1836/* rumor has it that Win32 has _fpclass() */
1837
5b7ea690
JH		 1838/* SGI has fpclassl... but not with the same result values,
1839 * and it's via a typedef (not via #define), so will need to redo Configure
1840 * to use. Not worth the trouble, IMO, at least until the below is used
1841 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1842 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1843 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1844
758a5d79
JH		 1845#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1846# ifdef I_IEEFP
1847# include <ieeefp.h>
1848# endif
1849# ifdef I_FP
1850# include <fp.h>
1851# endif
1852# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1853# define Perl_fp_class() fpclassl(x)
1854# else
1855# define Perl_fp_class() fpclass(x)
1856# endif
1857# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1858# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1859# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1860# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1861# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1862# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1863# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1864# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1865# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1866# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1867# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1868# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1869# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1870# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1871# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1872#endif
1873
7114a2d2 1874#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1875# include <math.h>
1876# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1877# include <fp_class.h>
1878# endif
1879# define Perl_fp_class(x) fp_class(x)
1880# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1881# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1882# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1883# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1884# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1885# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1886# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1887# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1888# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1889# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1890# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1891# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1892# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1893# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1894# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1895#endif
1896
1897#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1898# include <math.h>
1899# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1900# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1901# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1902# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1903# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1904# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1905#endif
1906
1907#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1908# include <math.h>
1909# ifndef _cplusplus
1910# define Perl_fp_class(x) class(x)
1911# else
1912# define Perl_fp_class(x) _class(x)
1913# endif
1914# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1915# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1916# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1917# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1918# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1919# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1920# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1921# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1922# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1923# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1924# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1925# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1926# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1927# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1928# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1929#endif
1930
1931/* rumor has it that Win32 has _isnan() */
1932
1933#ifndef Perl_isnan
a3540c92 1934# ifdef HAS_ISNAN
758a5d79
JH		 1935# define Perl_isnan(x) isnan((NV)x)
1936# else
1937# ifdef Perl_fp_class_nan
1938# define Perl_isnan(x) Perl_fp_class_nan(x)
1939# else
1940# ifdef HAS_UNORDERED
1941# define Perl_isnan(x) unordered((x), 0.0)
1942# else
1943# define Perl_isnan(x) ((x)!=(x))
1944# endif
1945# endif
1946# endif
1947#endif
1948
ca6c63e1
JH		 1949#ifdef UNDER_CE
1950int isnan(double d);
1951#endif
1952
758a5d79
JH		 1953#ifndef Perl_isinf
1954# ifdef HAS_ISINF
1955# define Perl_isinf(x) isinf((NV)x)
a3540c92 1956# else
758a5d79
JH		 1957# ifdef Perl_fp_class_inf
1958# define Perl_isinf(x) Perl_fp_class_inf(x)
1959# else
1960# define Perl_isinf(x) ((x)==NV_INF)
1961# endif
1962# endif
1963#endif
1964
1965#ifndef Perl_isfinite
1966# ifdef HAS_FINITE
1967# define Perl_isfinite(x) finite((NV)x)
1968# else
1969# ifdef HAS_ISFINITE
1970# define Perl_isfinite(x) isfinite(x)
1971# else
1972# ifdef Perl_fp_class_finite
1973# define Perl_isfinite(x) Perl_fp_class_finite(x)
1974# else
1975# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1976# endif
1977# endif
a3540c92 1978# endif
65202027
DS		 1979#endif
1980
a36244b7
JH		 1981/* The default is to use Perl's own atof() implementation (in numeric.c).
1982 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1983 * it is however best to use the native implementation of atof.
1984 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1985 * Some good tests to try out with either setting are t/base/num.t,
5b7ea690
JH		 1986 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1987 * you may need to be using a different function than atof! */
a36244b7
JH		 1988
1989#ifndef USE_PERL_ATOF
1990# ifndef _UNICOS
1991# define USE_PERL_ATOF
1992# endif
1993#else
1994# if USE_PERL_ATOF == 0
1995# undef USE_PERL_ATOF
1996# endif
1997#endif
1998
1999#ifdef USE_PERL_ATOF
2000# define Perl_atof(s) Perl_my_atof(s)
2001# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2002#else
2003# define Perl_atof(s) (NV)atof(s)
2004# define Perl_atof2(s, n) ((n) = atof(s))
2005#endif
cf2093f6 2006
d460ef45 2007/* Previously these definitions used hardcoded figures.
760ac839
LW		 2008 * It is hoped these formula are more portable, although
2009 * no data one way or another is presently known to me.
2010 * The "PERL_" names are used because these calculated constants
2011 * do not meet the ANSI requirements for LONG_MAX, etc., which
2012 * need to be constants acceptable to #if - kja
2013 * define PERL_LONG_MAX 2147483647L
2014 * define PERL_LONG_MIN (-LONG_MAX - 1)
2015 * define PERL ULONG_MAX 4294967295L
2016 */
2017
2018#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2019# include <limits.h>
760ac839 2020#endif
5b7ea690
JH		 2021/* Included values.h above if necessary; still including limits.h down here,
2022 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2023
99abf803 2024/*
2025 * Try to figure out max and min values for the integral types. THE CORRECT
2026 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2027 * following hacks are used if neither limits.h or values.h provide them:
2028 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2029 * for types < int: (unsigned TYPE)~(unsigned)0
2030 * The argument to ~ must be unsigned so that later signed->unsigned
2031 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2032 * and it must not be smaller than int because ~ does integral promotion.
2033 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2034 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2035 * The latter is a hack which happens to work on some machines but
2036 * does *not* catch any random system, or things like integer types
2037 * with NaN if that is possible.
2038 *
2039 * All of the types are explicitly cast to prevent accidental loss of
2040 * numeric range, and in the hope that they will be less likely to confuse
2041 * over-eager optimizers.
2042 *
2043 */
27d4fb96 2044
99abf803 2045#define PERL_UCHAR_MIN ((unsigned char)0)
2046
2047#ifdef UCHAR_MAX
2048# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2049#else
99abf803 2050# ifdef MAXUCHAR
2051# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2052# else
99abf803 2053# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2054# endif
2055#endif
d460ef45 2056
99abf803 2057/*
2058 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2059 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2060 * depending on local options. Until Configure detects this (or at least
2061 * detects whether the "signed" keyword is available) the CHAR ranges
2062 * will not be included. UCHAR functions normally.
2063 * - kja
2064 */
27d4fb96 2065
99abf803 2066#define PERL_USHORT_MIN ((unsigned short)0)
2067
2068#ifdef USHORT_MAX
2069# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2070#else
99abf803 2071# ifdef MAXUSHORT
2072# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2073# else
ef2f54b0
CB		 2074# ifdef USHRT_MAX
2075# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2076# else
2077# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2078# endif
27d4fb96 2079# endif
2080#endif
2081
27d4fb96 2082#ifdef SHORT_MAX
99abf803 2083# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2084#else
2085# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2086# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2087# else
ef2f54b0
CB		 2088# ifdef SHRT_MAX
2089# define PERL_SHORT_MAX ((short)SHRT_MAX)
2090# else
2091# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2092# endif
27d4fb96 2093# endif
2094#endif
2095
2096#ifdef SHORT_MIN
99abf803 2097# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2098#else
2099# ifdef MINSHORT
99abf803 2100# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2101# else
ef2f54b0
CB		 2102# ifdef SHRT_MIN
2103# define PERL_SHORT_MIN ((short)SHRT_MIN)
2104# else
2105# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2106# endif
27d4fb96 2107# endif
2108#endif
2109
99abf803 2110#ifdef UINT_MAX
2111# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2112#else
99abf803 2113# ifdef MAXUINT
2114# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2115# else
99abf803 2116# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2117# endif
2118#endif
2119
99abf803 2120#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2121
2122#ifdef INT_MAX
99abf803 2123# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2124#else
2125# ifdef MAXINT /* Often used in <values.h> */
99abf803 2126# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2127# else
99abf803 2128# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2129# endif
2130#endif
2131
2132#ifdef INT_MIN
99abf803 2133# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2134#else
2135# ifdef MININT
99abf803 2136# define PERL_INT_MIN ((int)MININT)
27d4fb96 2137# else
2138# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2139# endif
2140#endif
2141
99abf803 2142#ifdef ULONG_MAX
2143# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2144#else
99abf803 2145# ifdef MAXULONG
2146# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2147# else
99abf803 2148# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2149# endif
2150#endif
2151
99abf803 2152#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2153
760ac839 2154#ifdef LONG_MAX
99abf803 2155# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2156#else
2157# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2158# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2159# else
99abf803 2160# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2161# endif
2162#endif
2163
2164#ifdef LONG_MIN
99abf803 2165# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2166#else
2167# ifdef MINLONG
99abf803 2168# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2169# else
27d4fb96 2170# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2171# endif
2172#endif
2173
d7d93a81 2174#ifdef UV_IS_QUAD
99abf803 2175
99abf803 2176# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2177# define PERL_UQUAD_MIN ((UV)0)
99abf803 2178# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2179# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2180
79072805
LW		 2181#endif
2182
26776375
JH		 2183#ifdef MYMALLOC
2184# include "malloc_ctl.h"
2185#endif
2186
830247a4 2187struct RExC_state_t;
880b20b6 2188
ee0007ab 2189typedef MEM_SIZE STRLEN;
450a55e4 2190
79072805
LW		 2191typedef struct op OP;
2192typedef struct cop COP;
2193typedef struct unop UNOP;
2194typedef struct binop BINOP;
2195typedef struct listop LISTOP;
2196typedef struct logop LOGOP;
79072805
LW		 2197typedef struct pmop PMOP;
2198typedef struct svop SVOP;
7934575e 2199typedef struct padop PADOP;
79072805 2200typedef struct pvop PVOP;
79072805
LW		 2201typedef struct loop LOOP;
2202
93a17b20 2203typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 2204
2205/* Amdahl's <ksync.h> has struct sv */
2206/* SGI's <sys/sema.h> has struct sv */
2207#if defined(UTS) || defined(__sgi)
2208# define STRUCT_SV perl_sv
b8d3c5db
JH		 2209#else
2210# define STRUCT_SV sv
2211#endif
2212typedef struct STRUCT_SV SV;
79072805
LW		 2213typedef struct av AV;
2214typedef struct hv HV;
2215typedef struct cv CV;
378cc40b 2216typedef struct regexp REGEXP;
79072805 2217typedef struct gp GP;
0c30d9ec 2218typedef struct gv GV;
8990e307 2219typedef struct io IO;
c09156bb 2220typedef struct context PERL_CONTEXT;
79072805
LW		 2221typedef struct block BLOCK;
2222
2223typedef struct magic MAGIC;
ed6116ce 2224typedef struct xrv XRV;
79072805
LW		 2225typedef struct xpv XPV;
2226typedef struct xpviv XPVIV;
ff68c719 2227typedef struct xpvuv XPVUV;
79072805
LW		 2228typedef struct xpvnv XPVNV;
2229typedef struct xpvmg XPVMG;
2230typedef struct xpvlv XPVLV;
2231typedef struct xpvav XPVAV;
2232typedef struct xpvhv XPVHV;
2233typedef struct xpvgv XPVGV;
2234typedef struct xpvcv XPVCV;
2235typedef struct xpvbm XPVBM;
2236typedef struct xpvfm XPVFM;
8990e307 2237typedef struct xpvio XPVIO;
79072805
LW		 2238typedef struct mgvtbl MGVTBL;
2239typedef union any ANY;
5f7fde29
GS		 2240typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2241typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2242typedef struct clone_params CLONE_PARAMS;
2243
378cc40b 2244#include "handy.h"
a0d0e21e 2245
6b8eaf93 2246#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2247# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2248# define USE_64_BIT_RAWIO /* implicit */
2249# endif
4564133c
JH		 2250#endif
2251
6b8eaf93
JH		 2252/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2253 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2254 * however, because operating systems like to do that themself. */
2255#ifndef FSEEKSIZE
2256# ifdef HAS_FSEEKO
2257# define FSEEKSIZE LSEEKSIZE
2258# else
2259# define FSEEKSIZE LONGSIZE
d460ef45 2260# endif
6b8eaf93
JH		 2261#endif
2262
2263#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2264# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2265# define USE_64_BIT_STDIO /* implicit */
2266# endif
2267#endif
4564133c 2268
09458382 2269#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2270# ifdef HAS_OFF64_T
2271# undef Off_t
2272# define Off_t off64_t
2273# undef LSEEKSIZE
2274# define LSEEKSIZE 8
5ff3f7a4 2275# endif
d9b3e12d
JH		 2276/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2277 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2278 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2279# if defined(USE_OPEN64)
2280# define open open64
5ff3f7a4 2281# endif
d9b3e12d
JH		 2282# if defined(USE_LSEEK64)
2283# define lseek lseek64
6b8eaf93
JH		 2284# else
2285# if defined(USE_LLSEEK)
2286# define lseek llseek
2287# endif
d9b3e12d
JH		 2288# endif
2289# if defined(USE_STAT64)
2290# define stat stat64
2291# endif
2292# if defined(USE_FSTAT64)
2293# define fstat fstat64
2294# endif
2295# if defined(USE_LSTAT64)
2296# define lstat lstat64
2297# endif
2298# if defined(USE_FLOCK64)
2299# define flock flock64
2300# endif
2301# if defined(USE_LOCKF64)
2302# define lockf lockf64
2303# endif
2304# if defined(USE_FCNTL64)
2305# define fcntl fcntl64
2306# endif
2307# if defined(USE_TRUNCATE64)
2308# define truncate truncate64
2309# endif
2310# if defined(USE_FTRUNCATE64)
2311# define ftruncate ftruncate64
2312# endif
2313#endif
2314
2315#ifdef USE_64_BIT_STDIO
2316# ifdef HAS_FPOS64_T
2317# undef Fpos_t
2318# define Fpos_t fpos64_t
2319# endif
2320/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2321 * will trigger defines like the ones below. Some 64-bit environments,
2322 * however, do not. */
2323# if defined(USE_FOPEN64)
2324# define fopen fopen64
2325# endif
2326# if defined(USE_FSEEK64)
6b8eaf93 2327# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2328# endif
2329# if defined(USE_FTELL64)
6b8eaf93 2330# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2331# endif
2332# if defined(USE_FSETPOS64)
2333# define fsetpos fsetpos64
2334# endif
2335# if defined(USE_FGETPOS64)
2336# define fgetpos fgetpos64
2337# endif
2338# if defined(USE_TMPFILE64)
2339# define tmpfile tmpfile64
2340# endif
2341# if defined(USE_FREOPEN64)
2342# define freopen freopen64
5ff3f7a4
GS		 2343# endif
2344#endif
2345
af8b425d 2346#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2347# include "iperlsys.h"
2348#endif
2349
6f71a643 2350#if defined(__OPEN_VM)
19848b3f
JH		 2351# include "vmesa/vmesaish.h"
2352# define ISHISH "vmesa"
6f71a643
JH		 2353#endif
2354
748a9306 2355#ifdef DOSISH
19848b3f
JH		 2356# if defined(OS2)
2357# include "os2ish.h"
2358# else
2359# include "dosish.h"
2360# endif
2361# define ISHISH "dos"
2362#endif
2363
2364#if defined(VMS)
748a9306 2365# include "vmsish.h"
96e176bf 2366# include "embed.h"
19848b3f
JH		 2367# define ISHISH "vms"
2368#endif
2369
2370#if defined(PLAN9)
2371# include "./plan9/plan9ish.h"
2372# define ISHISH "plan9"
2373#endif
2374
2375#if defined(MPE)
2376# include "mpeix/mpeixish.h"
2377# define ISHISH "mpeix"
2378#endif
2379
2380#if defined(__VOS__)
196918b0
PG		 2381# ifdef __GNUC__
2382# include "./vos/vosish.h"
2383# else
2384# include "vos/vosish.h"
2385# endif
19848b3f
JH		 2386# define ISHISH "vos"
2387#endif
2388
2389#if defined(EPOC)
2390# include "epocish.h"
2391# define ISHISH "epoc"
2392#endif
2393
2394#if defined(MACOS_TRADITIONAL)
2395# include "macos/macish.h"
2396# ifndef NO_ENVIRON_ARRAY
2397# define NO_ENVIRON_ARRAY
0c30d9ec 2398# endif
19848b3f
JH		 2399# define ISHISH "macos classic"
2400#endif
2401
efca5cc6
JH		 2402#if defined(__BEOS__)
2403# include "beos/beosish.h"
2404# define ISHISH "beos"
2405#endif
2406
19848b3f
JH		 2407#ifndef ISHISH
2408# include "unixish.h"
2409# define ISHISH "unix"
13b6e58c
JH		 2410#endif
2411
84a61f45
JH		 2412/* NSIG logic from Configure --> */
2413/* Strange style to avoid deeply-nested #if/#else/#endif */
2414#ifndef NSIG
2415# ifdef _NSIG
2416# define NSIG (_NSIG)
2417# endif
2418#endif
2419
2420#ifndef NSIG
2421# ifdef SIGMAX
2422# define NSIG (SIGMAX+1)
2423# endif
2424#endif
2425
2426#ifndef NSIG
2427# ifdef SIG_MAX
2428# define NSIG (SIG_MAX+1)
2429# endif
2430#endif
2431
2432#ifndef NSIG
2433# ifdef _SIG_MAX
2434# define NSIG (_SIG_MAX+1)
2435# endif
2436#endif
2437
2438#ifndef NSIG
2439# ifdef MAXSIG
2440# define NSIG (MAXSIG+1)
2441# endif
2442#endif
2443
2444#ifndef NSIG
2445# ifdef MAX_SIG
2446# define NSIG (MAX_SIG+1)
2447# endif
2448#endif
2449
2450#ifndef NSIG
2451# ifdef SIGARRAYSIZE
2452# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2453# endif
2454#endif
2455
2456#ifndef NSIG
2457# ifdef _sys_nsig
2458# define NSIG (_sys_nsig) /* Solaris 2.5 */
2459# endif
2460#endif
2461
2462/* Default to some arbitrary number that's big enough to get most
2463 of the common signals.
2464*/
2465#ifndef NSIG
2466# define NSIG 50
2467#endif
2468/* <-- NSIG logic from Configure */
2469
17afd9a0
NC		 2470#if defined(HAS_SIGACTION) && defined(SA_SIGINFO)
2471# ifdef PERL_CORE
2472# define sighandler Perl_sighandler_va
2473# endif
2474# define csighandler Perl_csighandler_va
2475#else
2476# ifdef PERL_CORE
2477# define sighandler Perl_sighandler
2478# endif
2479# define csighandler Perl_csighandler
2480#endif
2481
13b6e58c
JH		 2482#ifndef NO_ENVIRON_ARRAY
2483# define USE_ENVIRON_ARRAY
2484#endif
32f822de 2485
c77b533b
JH		 2486/*
2487 * initialise to avoid floating-point exceptions from overflow, etc
2488 */
2489#ifndef PERL_FPU_INIT
2490# ifdef HAS_FPSETMASK
2491# if HAS_FLOATINGPOINT_H
2492# include <floatingpoint.h>
2493# endif
2494# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2495# else
75a5c1c6 2496# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
17afd9a0 2497# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN);
629185f5
JH		 2498# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2499# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2500# else
2501# define PERL_FPU_INIT
75a5c1c6 2502
7014c407 2503# endif
c77b533b
JH		 2504# endif
2505#endif
629185f5
JH		 2506#ifndef PERL_FPU_PRE_EXEC
2507# define PERL_FPU_PRE_EXEC {
2508# define PERL_FPU_POST_EXEC }
2509#endif
c77b533b 2510
ed344e4f
IZ		 2511#ifndef PERL_SYS_INIT3
2512# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2513#endif
2514
be708cc0
JH		 2515#ifndef PERL_WRITE_MSG_TO_CONSOLE
2516# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2517#endif
2518
0f31cffe
GS		 2519#ifndef MAXPATHLEN
2520# ifdef PATH_MAX
b990c8b2
JH		 2521# ifdef _POSIX_PATH_MAX
2522# if PATH_MAX > _POSIX_PATH_MAX
5b7ea690
JH		 2523/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2524 * included the null byte or not. Later amendments of POSIX,
2525 * XPG4, the Austin Group, and the Single UNIX Specification
2526 * all explicitly include the null byte in the PATH_MAX.
2527 * Ditto for _POSIX_PATH_MAX. */
2528# define MAXPATHLEN PATH_MAX
b990c8b2 2529# else
5b7ea690 2530# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2531# endif
2532# else
2533# define MAXPATHLEN (PATH_MAX+1)
2534# endif
0f31cffe 2535# else
b990c8b2 2536# ifdef _POSIX_PATH_MAX
5b7ea690 2537# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2538# else
2539# define MAXPATHLEN 1024 /* Err on the large side. */
2540# endif
0f31cffe
GS		 2541# endif
2542#endif
2543
5f2f4dbe
YST		 2544/* In case Configure was not used (we are using a "canned config"
2545 * such as Win32, or a cross-compilation setup, for example) try going
2546 * by the gcc major and minor versions. One useful URL is
2547 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2548 * but contrary to this information warn_unused_result seems
2549 * not to be in gcc 3.3.5, at least. --jhi
620e3b3d
NC		 2550 * Also, when building extensions with an installed perl, this allows
2551 * the user to upgrade gcc and get the right attributes, rather than
2552 * relying on the list generated at Configure time. --AD
5f2f4dbe
YST		 2553 * Set these up now otherwise we get confused when some of the <*thread.h>
2554 * includes below indirectly pull in <perlio.h> (which needs to know if we
2555 * have HASATTRIBUTE_FORMAT).
2556 */
2557
b7ae8aba 2558#if defined __GNUC__ && !defined(__INTEL_COMPILER)
5f2f4dbe
YST		 2559# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2560# define HASATTRIBUTE_FORMAT
2561# endif
2562# if __GNUC__ >= 3 /* 3.0 -> */
2563# define HASATTRIBUTE_MALLOC
2564# endif
2565# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2566# define HASATTRIBUTE_NONNULL
2567# endif
2568# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2569# define HASATTRIBUTE_NORETURN
2570# endif
2571# if __GNUC__ >= 3 /* gcc 3.0 -> */
2572# define HASATTRIBUTE_PURE
2573# endif
620e3b3d 2574# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
5f2f4dbe
YST		 2575# define HASATTRIBUTE_UNUSED
2576# endif
16563954
NC		 2577# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2578# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2579# endif
5f2f4dbe
YST		 2580# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2581# define HASATTRIBUTE_WARN_UNUSED_RESULT
2582# endif
2583#endif
2584
d460ef45 2585/*
4d1ff10f 2586 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2587 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2588 * this results in many functions being undeclared which bothers C++
2589 * May make sense to have threads after "*ish.h" anyway
2590 */
2591
4d1ff10f
AB		 2592#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
2593# if defined(USE_5005THREADS)
79d59c5f
GS		 2594 /* pending resolution of licensing issues, we avoid the erstwhile
2595 * atomic.h everywhere */
2596# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 2597# endif
2986a63f
JH		 2598# ifdef NETWARE
2599# include <nw5thread.h>
2600# else
32f822de
GS		 2601# ifdef FAKE_THREADS
2602# include "fakethr.h"
2603# else
2604# ifdef WIN32
2605# include <win32thread.h>
2606# else
dd96f567
IZ		 2607# ifdef OS2
2608# include "os2thread.h"
2609# else
7f3d1cf1 2610# ifdef I_MACH_CTHREADS
bdd66968 2611# include <mach/cthreads.h>
8f1f23e8 2612# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2613# define MUTEX_INIT_CALLS_MALLOC
2614# endif
7f3d1cf1
BH		 2615typedef cthread_t perl_os_thread;
2616typedef mutex_t perl_mutex;
2617typedef condition_t perl_cond;
2618typedef void * perl_key;
2619# else /* Posix threads */
1f5ae88c
JH		 2620# ifdef I_PTHREAD
2621# include <pthread.h>
2622# endif
7f3d1cf1
BH		 2623typedef pthread_t perl_os_thread;
2624typedef pthread_mutex_t perl_mutex;
2625typedef pthread_cond_t perl_cond;
2626typedef pthread_key_t perl_key;
2627# endif /* I_MACH_CTHREADS */
dd96f567 2628# endif /* OS2 */
32f822de
GS		 2629# endif /* WIN32 */
2630# endif /* FAKE_THREADS */
2986a63f 2631#endif /* NETWARE */
4d1ff10f 2632#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 2633
66a93824 2634#if defined(WIN32)
1feb2720 2635# include "win32.h"
c5be433b
GS		 2636#endif
2637
2986a63f
JH		 2638#ifdef NETWARE
2639# include "netware.h"
2640#endif
2641
31a9f214 2642#define STATUS_UNIX PL_statusvalue
68dc0745 2643#ifdef VMS
6b88bc9c 2644# define STATUS_NATIVE PL_statusvalue_vms
b14528dd
NC		 2645/*
2646 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
2647 * it's contents can not be trusted. Unfortunately, Perl seems to check
2648 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2649 * be updated also.
2650 */
2651# include <stsdef.h>
2652# include <ssdef.h>
2653/* Presume this because if VMS changes it, it will require a new
2654 * set of APIs for waiting on children for binary compatibility.
2655 */
2656# define child_offset_bits (8)
2657# ifndef C_FAC_POSIX
2658# define C_FAC_POSIX 0x35A000
2659# endif
2660
2661/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2662 * platform from the existing UNIX or Native status values.
2663 */
2664
2665# define STATUS_EXIT \
2666 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2667 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2668
2669
2670/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2671 * exit code and shifts the UNIX value over the correct number of bits to
2672 * be a child status. Usually the number of bits is 8, but that could be
2673 * platform dependent. The NATIVE status code is presumed to have either
2674 * from a child process.
2675 */
2676
2677/* This is complicated. The child processes return a true native VMS
2678 status which must be saved. But there is an assumption in Perl that
2679 the UNIX child status has some relationship to errno values, so
2680 Perl tries to translate it to text in some of the tests.
2681 In order to get the string translation correct, for the error, errno
2682 must be EVMSERR, but that generates a different text message
2683 than what the test programs are expecting. So an errno value must
2684 be derived from the native status value when an error occurs.
2685 That will hide the true native status message. With this version of
2686 perl, the true native child status can always be retrieved so that
2687 is not a problem. But in this case, Pl_statusvalue and errno may
2688 have different values in them.
2689 */
2690
2691# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2692 STMT_START { \
aa649b9f
JM		 2693 I32 evalue = (I32)n; \
2694 if (evalue == EVMSERR) { \
2695 PL_statusvalue_vms = vaxc$errno; \
2696 PL_statusvalue = evalue; \
b14528dd 2697 } else { \
aa649b9f 2698 PL_statusvalue_vms = evalue; \
b14528dd 2699 if (evalue == -1) { \
3280af22 2700 PL_statusvalue = -1; \
b14528dd
NC		 2701 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2702 } else \
2703 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
aa649b9f 2704 set_vaxc_errno(evalue); \
b14528dd
NC		 2705 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2706 set_errno(EVMSERR); \
2707 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2708 PL_statusvalue = PL_statusvalue << child_offset_bits; \
aa649b9f 2709 } \
68dc0745 2710 } STMT_END
b14528dd 2711
68dc0745 2712# ifdef VMSISH_STATUS
31a9f214 2713# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2714# else
31a9f214 2715# define STATUS_CURRENT STATUS_UNIX
68dc0745 2716# endif
b14528dd
NC		 2717
2718 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2719 * the NATIVE status to an equivalent value. Can not be used to translate
2720 * exit code values as exit code values are not guaranteed to have any
2721 * relationship at all to errno values.
2722 * This is used when Perl is forcing errno to have a specific value.
2723 */
31a9f214 2724# define STATUS_UNIX_SET(n) \
68dc0745 2725 STMT_START { \
b14528dd
NC		 2726 I32 evalue = (I32)n; \
2727 PL_statusvalue = evalue; \
3280af22 2728 if (PL_statusvalue != -1) { \
b14528dd
NC		 2729 if (PL_statusvalue != EVMSERR) { \
2730 PL_statusvalue &= 0xFFFF; \
2731 if (MY_POSIX_EXIT) \
2732 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2733 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2734 } \
2735 else { \
2736 PL_statusvalue_vms = vaxc$errno; \
2737 } \
68dc0745 2738 } \
b14528dd
NC		 2739 else PL_statusvalue_vms = SS$_ABORT; \
2740 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2741 } STMT_END
b14528dd
NC		 2742
2743 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2744 * the NATIVE error status based on it. It does not assume that
2745 * the UNIX/POSIX exit codes have any relationship to errno, except
2746 * that 0 indicates a success. When in the default mode to comply
2747 * with the Perl VMS documentation, any other code sets the NATIVE
2748 * status to a failure code of SS$_ABORT.
2749 *
2750 * In the new POSIX EXIT mode, native status will be set so that the
2751 * actual exit code will can be retrieved by the calling program or
2752 * shell.
2753 *
2754 * If the exit code is not clearly a UNIX parent or child exit status,
2755 * it will be passed through as a VMS status.
2756 */
2757
2758# define STATUS_UNIX_EXIT_SET(n) \
2759 STMT_START { \
2760 I32 evalue = (I32)n; \
2761 PL_statusvalue = evalue; \
2762 if (evalue != -1) { \
2763 if (evalue <= 0xFF00) { \
2764 if (evalue > 0xFF) \
2765 evalue = (evalue >> child_offset_bits) & 0xFF; \
2766 if (evalue == 0) \
2767 PL_statusvalue_vms == SS$_NORMAL; \
2768 else \
2769 if (MY_POSIX_EXIT) \
2770 PL_statusvalue_vms = \
2771 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
2772 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
2773 else \
2774 PL_statusvalue_vms = SS$_ABORT; \
2775 } else { /* forgive them Perl, for they have sinned */ \
2776 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2777 else PL_statusvalue_vms = vaxc$errno; \
2778 /* And obviously used a VMS status value instead of UNIX */ \
2779 PL_statusvalue = EVMSERR; \
2780 } \
2781 } \
2782 else PL_statusvalue_vms = SS$_ABORT; \
2783 set_vaxc_errno(PL_statusvalue_vms); \
2784 } STMT_END
2785
2786 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2787 * and sets the NATIVE error status based on it. This special case
2788 * is needed to maintain compatibility with past VMS behavior.
2789 *
2790 * In the default mode on VMS, this number is passed through as
2791 * both the NATIVE and UNIX status. Which makes it different
2792 * that the STATUS_UNIX_EXIT_SET.
2793 *
2794 * In the new POSIX EXIT mode, native status will be set so that the
2795 * actual exit code will can be retrieved by the calling program or
2796 * shell.
2797 *
2798 */
2799
2800# define STATUS_EXIT_SET(n) \
2801 STMT_START { \
2802 I32 evalue = (I32)n; \
2803 PL_statusvalue = evalue; \
2804 if (MY_POSIX_EXIT) \
2805 PL_statusvalue_vms = \
2806 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
2807 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
2808 else \
2809 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2810 set_vaxc_errno(PL_statusvalue_vms); \
2811 } STMT_END
2812
2813
2814 /* This macro forces a success status */
2815# define STATUS_ALL_SUCCESS \
2816 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
2817
2818 /* This macro forces a failure status */
2819# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2820 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2821 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
2822
68dc0745 2823#else
31a9f214 2824# define STATUS_NATIVE PL_statusvalue_posix
31a9f214 2825# if defined(WCOREDUMP)
b14528dd 2826# define STATUS_NATIVE_CHILD_SET(n) \
31a9f214
GA		 2827 STMT_START { \
2828 PL_statusvalue_posix = (n); \
2829 if (PL_statusvalue_posix == -1) \
2830 PL_statusvalue = -1; \
2831 else { \
2832 PL_statusvalue = \
2833 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2834 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2835 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2836 } \
2837 } STMT_END
2838# elif defined(WIFEXITED)
b14528dd 2839# define STATUS_NATIVE_CHILD_SET(n) \
31a9f214
GA		 2840 STMT_START { \
2841 PL_statusvalue_posix = (n); \
2842 if (PL_statusvalue_posix == -1) \
2843 PL_statusvalue = -1; \
2844 else { \
2845 PL_statusvalue = \
2846 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2847 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2848 } \
2849 } STMT_END
2850# else
b14528dd 2851# define STATUS_NATIVE_CHILD_SET(n) \
31a9f214
GA		 2852 STMT_START { \
2853 PL_statusvalue_posix = (n); \
2854 if (PL_statusvalue_posix == -1) \
2855 PL_statusvalue = -1; \
2856 else { \
2857 PL_statusvalue = \
2858 PL_statusvalue_posix & 0xFFFF; \
2859 } \
2860 } STMT_END
2861# endif
2862# define STATUS_UNIX_SET(n) \
68dc0745 2863 STMT_START { \
3280af22
NIS		 2864 PL_statusvalue = (n); \
2865 if (PL_statusvalue != -1) \
2866 PL_statusvalue &= 0xFFFF; \
68dc0745 2867 } STMT_END
b14528dd
NC		 2868# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
2869# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
31a9f214 2870# define STATUS_CURRENT STATUS_UNIX
b14528dd 2871# define STATUS_EXIT STATUS_UNIX
31a9f214
GA		 2872# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2873# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2874#endif
2875
cc3604b1
GS		 2876/* flags in PL_exit_flags for nature of exit() */
2877#define PERL_EXIT_EXPECTED 0x01
31d77e54 2878#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2879
0b94c7bb 2880#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2881# define MEMBER_TO_FPTR(name) name
2882#endif
2883
2884/* format to use for version numbers in file/directory names */
273cf8d1 2885/* XXX move to Configure? */
a7cb1f99 2886#ifndef PERL_FS_VER_FMT
273cf8d1 2887# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2888#endif
2889
45bc9206 2890/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2891 * performance issue, so we allow people to disable it. Also, if
2892 * we are using stdio, there are broken implementations of fflush(NULL)
2893 * out there, Solaris being the most prominent.
45bc9206
GS		 2894 */
2895#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2896# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2897# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2898# else
2899# ifdef FFLUSH_ALL
2900# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2901# else
c5be433b 2902# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2903# endif
66fe083f 2904# endif
45bc9206
GS		 2905#endif
2906
7766f137
GS		 2907#ifndef PERL_WAIT_FOR_CHILDREN
2908# define PERL_WAIT_FOR_CHILDREN NOOP
2909#endif
2910
ba869deb 2911/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2912#ifndef PERL_SET_INTERP
2913# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2914#endif
2915
2916#ifndef PERL_GET_INTERP
2917# define PERL_GET_INTERP (PL_curinterp)
2918#endif
2919
54aff467 2920#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 2921# ifdef USE_5005THREADS
ba869deb 2922# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS		 2923# else
2924# ifdef MULTIPLICITY
ba869deb 2925# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS		 2926# endif
2927# endif
ba869deb
GS		 2928# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2929#endif
2930
894356b3
GS		 2931#ifndef SVf
2932# ifdef CHECK_FORMAT
9982c483 2933# define SVf "-p"
894356b3
GS		 2934# else
2935# define SVf "_"
d460ef45 2936# endif
894356b3
GS		 2937#endif
2938
9982c483 2939#ifndef SVf_precision
d2560b70 2940# ifdef CHECK_FORMAT
9982c483 2941# define SVf_precision(n) "-" n "p"
d2560b70 2942# else
9982c483 2943# define SVf_precision(n) "." n "_"
d460ef45 2944# endif
d2560b70
RB		 2945#endif
2946
2947#ifndef VDf
2948# ifdef CHECK_FORMAT
9a2a392e 2949# define VDf "-1p"
d2560b70
RB		 2950# else
2951# define VDf "vd"
d460ef45 2952# endif
d2560b70
RB		 2953#endif
2954
9982c483
RB		 2955#ifndef SVf32
2956# define SVf32 SVf_precision("32")
2957#endif
2958
2959#ifndef SVf256
2960# define SVf256 SVf_precision("256")
2961#endif
9982c483 2962
f9af18b8
RB		 2963#ifndef PERL_CORE
2964# ifndef DieNull
2965# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
2966# endif
24c2fff4 2967#endif
481ddcff
NC		 2968
2969/* not used; but needed for backward compatibilty with XS code? - RMB */
2970#ifndef UVf
2971# define UVf UVuf
2972#endif
24c2fff4 2973
24c2fff4
NC		 2974/* Because 5.8.x has to keep using %_ for SVf, which will make the format
2975 * checking code (quite correctly) bleat a lot. */
2976#ifndef CHECK_FORMAT
2977# undef HASATTRIBUTE_FORMAT
2978#endif
2979
2980#ifdef HASATTRIBUTE_FORMAT
2981# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2982#endif
2983#ifdef HASATTRIBUTE_MALLOC
a2592645 2984# define __attribute__malloc__ __attribute__((__malloc__))
24c2fff4
NC		 2985#endif
2986#ifdef HASATTRIBUTE_NONNULL
2987# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
2988#endif
2989#ifdef HASATTRIBUTE_NORETURN
2990# define __attribute__noreturn__ __attribute__((noreturn))
2991#endif
2992#ifdef HASATTRIBUTE_PURE
2993# define __attribute__pure__ __attribute__((pure))
2994#endif
2995#ifdef HASATTRIBUTE_UNUSED
2996# define __attribute__unused__ __attribute__((unused))
2997#endif
2998#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
2999# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
b3fe4827
RB		 3000#endif
3001
24c2fff4 3002/* If we haven't defined the attributes yet, define them to blank. */
16c773f9 3003#ifndef __attribute__format__
24c2fff4
NC		 3004# define __attribute__format__(x,y,z)
3005#endif
3006#ifndef __attribute__malloc__
3007# define __attribute__malloc__
3008#endif
3009#ifndef __attribute__nonnull__
3010# define __attribute__nonnull__(a)
3011#endif
3012#ifndef __attribute__noreturn__
3013# define __attribute__noreturn__
3014#endif
3015#ifndef __attribute__pure__
3016# define __attribute__pure__
3017#endif
3018#ifndef __attribute__unused__
3019# define __attribute__unused__
3020#endif
3021#ifndef __attribute__warn_unused_result__
3022# define __attribute__warn_unused_result__
3023#endif
3024
3025/* For functions that are marked as __attribute__noreturn__, it's not
3026 appropriate to call return. In either case, include the lint directive.
3027 */
3028#ifdef HASATTRIBUTE_NORETURN
be2d5e07 3029# define NORETURN_FUNCTION_END /* NOTREACHED */
24c2fff4 3030#else
be2d5e07 3031# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
16c773f9 3032#endif
cdf9dde0 3033
244f8405
NC		 3034/* Some OS warn on NULL format to printf */
3035#ifdef PRINTF_FORMAT_NULL_OK
3036# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3037#else
3038# define __attribute__format__null_ok__(x,y,z)
3039#endif
3040
cb478989 3041#ifdef HAS_BUILTIN_EXPECT
be2d5e07
AL		 3042# define EXPECT(expr,val) __builtin_expect(expr,val)
3043#else
3044# define EXPECT(expr,val) (expr)
3045#endif
3046#define LIKELY(cond) EXPECT(cond,1)
3047#define UNLIKELY(cond) EXPECT(cond,0)
cb478989
NC		 3048#ifdef HAS_BUILTIN_CHOOSE_EXPR
3049/* placeholder */
3050#endif
be2d5e07 3051
3fc1aec6 3052/* Some unistd.h's give a prototype for pause() even though
3053 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3054 below to be rejected by the compiler. Sigh.
3fc1aec6 3055*/
3056#ifdef HAS_PAUSE
3057#define Pause pause
3058#else
3059#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3060#endif
3061
3062#ifndef IOCPARM_LEN
3063# ifdef IOCPARM_MASK
3f3939a9 3064 /* on BSDish systems we're safe */
748a9306
LW		 3065# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3066# else
3f3939a9 3067# if defined(_IOC_SIZE) && defined(__GLIBC__)
6838159c
NC		 3068 /* on Linux systems we're safe; except when we're not [perl #38223] */
3069# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
3f3939a9 3070# else
748a9306 3071 /* otherwise guess at what's safe */
3f3939a9
NC		 3072# define IOCPARM_LEN(x) 256
3073# endif
748a9306 3074# endif
a0d0e21e
LW		 3075#endif
3076
1761cee5 3077#if defined(__CYGWIN__)
521e0776
GS		 3078/* USEMYBINMODE
3079 * This symbol, if defined, indicates that the program should
16fe6d59 3080 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3081 * that a file is in "binary" mode -- that is, that no translation
3082 * of bytes occurs on read or write operations.
3083 */
16c773f9 3084# define USEMYBINMODE /**/
5ed858ef 3085# include <io.h> /* for setmode() prototype */
16fe6d59 3086# define my_binmode(fp, iotype, mode) \
5ed858ef 3087 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3088#endif
3089
ecde6dd6
NA		 3090#ifdef __CYGWIN__
3091void init_os_extras(void);
3092#endif
3093
cea2e8a9
GS		 3094#ifdef UNION_ANY_DEFINITION
3095UNION_ANY_DEFINITION;
3096#else
3097union any {
3098 void* any_ptr;
3099 I32 any_i32;
3100 IV any_iv;
3101 long any_long;
4f4e7967 3102 bool any_bool;
c76ac1ee 3103 void (*any_dptr) (void*);
acfe0abc 3104 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3105};
3106#endif
3107
4d1ff10f 3108#ifdef USE_5005THREADS
cea2e8a9
GS		 3109#define ARGSproto struct perl_thread *thr
3110#else
3111#define ARGSproto
4d1ff10f 3112#endif /* USE_5005THREADS */
cea2e8a9 3113
acfe0abc 3114typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3115
3116#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3117#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3118#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3119
c5078cac
JH		 3120#if defined(_AIX) && !defined(_AIX43)
3121#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3122/* We cannot include <crypt.h> to get the struct crypt_data
3123 * because of setkey prototype problems when threading */
3124typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3125 /* From OSF, Not needed in AIX
3126 char C[28], D[28];
3127 */
3128 char E[48];
3129 char KS[16][48];
3130 char block[66];
3131 char iobuf[16];
3132} CRYPTD;
3133#endif /* threading */
3134#endif /* AIX */
3135
af8b425d 3136#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3137# include "iperlsys.h"
3138#endif
c71f9582 3139
a8770bf5
JH		 3140/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3141 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3142 * defined by Configure, despite their names being similar to the
3143 * other defines like USE_ITHREADS. Configure in fact knows nothing
3144 * about the randomised hashes. Therefore to enable/disable the hash
3145 * randomisation defines use the Configure -Accflags=... instead. */
c71f9582 3146#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
aa69cd32 3147# define USE_HASH_SEED
c71f9582
PN		 3148#endif
3149
378cc40b 3150#include "regexp.h"
79072805 3151#include "sv.h"
378cc40b 3152#include "util.h"
8d063cd8 3153#include "form.h"
79072805 3154#include "gv.h"
9755d405 3155#include "pad.h"
79072805 3156#include "cv.h"
abdd5c84 3157#include "opnames.h"
79072805
LW		 3158#include "op.h"
3159#include "cop.h"
3160#include "av.h"
3161#include "hv.h"
3162#include "mg.h"
3163#include "scope.h"
4438c4b7 3164#include "warnings.h"
a0ed51b3 3165#include "utf8.h"
8d063cd8 3166
7fae4e64
GS		 3167/* Current curly descriptor */
3168typedef struct curcur CURCUR;
3169struct curcur {
3170 int parenfloor; /* how far back to strip paren data */
3171 int cur; /* how many instances of scan we've matched */
3172 int min; /* the minimal number of scans to match */
3173 int max; /* the maximal number of scans to match */
3174 int minmod; /* whether to work our way up or down */
3175 regnode * scan; /* the thing to match */
3176 regnode * next; /* what has to match after it */
3177 char * lastloc; /* where we started matching this scan */
3178 CURCUR * oldcc; /* current curly before we started this one */
3179};
3180
3181typedef struct _sublex_info SUBLEXINFO;
3182struct _sublex_info {
3183 I32 super_state; /* lexer state to save */
3184 I32 sub_inwhat; /* "lex_inwhat" to use */
3185 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 3186 char *super_bufptr; /* PL_bufptr that was */
3187 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 3188};
3189
455ece5e 3190typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3191
2c2d71f5 3192struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3193struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 3194
3195typedef I32 CHECKPOINT;
76e3520e 3196
b4b2dbdc
JC		 3197/* Keep next first in this structure, because sv_free_arenas take
3198 advantage of this to share code between the pte arenas and the SV
3199 body arenas */
5f7fde29
GS		 3200struct ptr_tbl_ent {
3201 struct ptr_tbl_ent* next;
0188be2e 3202 const void* oldval;
5f7fde29 3203 void* newval;
d18c6117
GS		 3204};
3205
5f7fde29
GS		 3206struct ptr_tbl {
3207 struct ptr_tbl_ent** tbl_ary;
3208 UV tbl_max;
3209 UV tbl_items;
d18c6117
GS		 3210};
3211
450a55e4 3212#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3213# define I286
3214#endif
3215
fe14fcc3
LW		 3216#if defined(htonl) && !defined(HAS_HTONL)
3217#define HAS_HTONL
ae986130 3218#endif
fe14fcc3
LW		 3219#if defined(htons) && !defined(HAS_HTONS)
3220#define HAS_HTONS
ae986130 3221#endif
fe14fcc3
LW		 3222#if defined(ntohl) && !defined(HAS_NTOHL)
3223#define HAS_NTOHL
ae986130 3224#endif
fe14fcc3
LW		 3225#if defined(ntohs) && !defined(HAS_NTOHS)
3226#define HAS_NTOHS
ae986130 3227#endif
fe14fcc3 3228#ifndef HAS_HTONL
d9d8d8de 3229#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3230#define HAS_HTONS
3231#define HAS_HTONL
3232#define HAS_NTOHS
3233#define HAS_NTOHL
a687059c
LW		 3234#define MYSWAP
3235#define htons my_swap
3236#define htonl my_htonl
3237#define ntohs my_swap
3238#define ntohl my_ntohl
3239#endif
3240#else
d9d8d8de 3241#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3242#undef HAS_HTONS
3243#undef HAS_HTONL
3244#undef HAS_NTOHS
3245#undef HAS_NTOHL
a687059c
LW		 3246#endif
3247#endif
3248
988174c1
LW		 3249/*
3250 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3251 * -DWS
3252 */
3253#if BYTEORDER != 0x1234
3254# define HAS_VTOHL
3255# define HAS_VTOHS
3256# define HAS_HTOVL
3257# define HAS_HTOVS
c67712b2 3258# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3259# define vtohl(x) ((((x)&0xFF)<<24) \
3260 +(((x)>>24)&0xFF) \
3261 +(((x)&0x0000FF00)<<8) \
3262 +(((x)&0x00FF0000)>>8) )
3263# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3264# define htovl(x) vtohl(x)
3265# define htovs(x) vtohs(x)
3266# endif
3267 /* otherwise default to functions in util.c */
2a8c3029 3268#ifndef htovs
c623ac67
GS		 3269short htovs(short n);
3270short vtohs(short n);
3271long htovl(long n);
3272long vtohl(long n);
988174c1 3273#endif
2a8c3029 3274#endif
988174c1 3275
3bb7c1b4
JH		 3276/* *MAX Plus 1. A floating point value.
3277 Hopefully expressed in a way that dodgy floating point can't mess up.
3278 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3279 is added to it
3280 May find that some broken compiler will want the value cast to I32.
3281 [after the shift, as signed >> may not be as secure as unsigned >>]
3282*/
3283#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3284#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3285/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3286 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3287 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3288*/
3289#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3290
3bb7c1b4
JH		 3291#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3292#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3293#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3294
3295/* This may look like unnecessary jumping through hoops, but converting
3296 out of range floating point values to integers *is* undefined behaviour,
3297 and it is starting to bite.
3298*/
3299#ifndef CAST_INLINE
65202027 3300#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3301#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3302#define I_V(what) (cast_iv((NV)(what)))
3303#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3304#else
3305#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3306 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3307 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3308#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3309 : ((n) < U32_MAX_P1 ? (U32) (n) \
3310 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3311#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3312 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3313 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3314#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3315 : ((n) < UV_MAX_P1 ? (UV) (n) \
3316 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3317#endif
3318
3319#define U_S(what) ((U16)U_32(what))
3320#define U_I(what) ((unsigned int)U_32(what))
3321#define U_L(what) U_32(what)
ed6116ce 3322
2d4389e4
JH		 3323/* These do not care about the fractional part, only about the range. */
3324#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3325#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3326
25da4f38
IZ		 3327/* Used with UV/IV arguments: */
3328 /* XXXX: need to speed it up */
3329#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3330#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3331
352d5a3a
LW		 3332#ifndef MAXSYSFD
3333# define MAXSYSFD 2
3334#endif
ee0007ab 3335
79072805 3336#ifndef __cplusplus
e1caacb4 3337#ifndef UNDER_CE
20ce7b12
GS		 3338Uid_t getuid (void);
3339Uid_t geteuid (void);
3340Gid_t getgid (void);
3341Gid_t getegid (void);
79072805 3342#endif
e1caacb4 3343#endif
8d063cd8 3344
0c30d9ec 3345#ifndef Perl_debug_log
bf49b057
GS		 3346# define Perl_debug_log PerlIO_stderr()
3347#endif
3348
3349#ifndef Perl_error_log
3350# define Perl_error_log (PL_stderrgv \
5b7ea690 3351 && isGV(PL_stderrgv) \
01bb7c6d 3352 && GvIOp(PL_stderrgv) \
42de951c 3353 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3354 ? IoOFP(GvIOp(PL_stderrgv)) \
3355 : PerlIO_stderr())
0c30d9ec 3356#endif
3967c732 3357
aea4f609
DM		 3358
3359#define DEBUG_p_FLAG 0x00000001 /* 1 */
3360#define DEBUG_s_FLAG 0x00000002 /* 2 */
3361#define DEBUG_l_FLAG 0x00000004 /* 4 */
3362#define DEBUG_t_FLAG 0x00000008 /* 8 */
3363#define DEBUG_o_FLAG 0x00000010 /* 16 */
3364#define DEBUG_c_FLAG 0x00000020 /* 32 */
3365#define DEBUG_P_FLAG 0x00000040 /* 64 */
3366#define DEBUG_m_FLAG 0x00000080 /* 128 */
3367#define DEBUG_f_FLAG 0x00000100 /* 256 */
3368#define DEBUG_r_FLAG 0x00000200 /* 512 */
3369#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3370#define DEBUG_u_FLAG 0x00000800 /* 2048 */
856b6425 3371 /* spare */
aea4f609
DM		 3372#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3373#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3374#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3375#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3376#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3377#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3378#define DEBUG_J_FLAG 0x00080000 /* 524288 */
bbb1cf39 3379#define DEBUG_v_FLAG 0x00100000 /*1048576 */
856b6425
NC		 3380#define DEBUG_A_FLAG 0x00400000 /*4194304 */
3381#define DEBUG_q_FLAG 0x00800000 /*8388608 */
3382#define DEBUG_MASK 0x00DFEFFF /* mask of all the standard flags */
aea4f609
DM		 3383
3384#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3385#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3386 that something was done? */
aea4f609 3387
bd16a5f0
IZ		 3388# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3389# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3390# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3391# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3392# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3393# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3394# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3395# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3396# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3397# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3398# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3399# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 3400# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3401# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3402# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3403# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3404# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3405# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3406# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
bbb1cf39 3407# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
856b6425
NC		 3408# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3409# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
9755d405
JH		 3410# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
3411
bd16a5f0 3412
3967c732 3413#ifdef DEBUGGING
aea4f609
DM		 3414
3415# undef YYDEBUG
3416# define YYDEBUG 1
3417
bd16a5f0
IZ		 3418# define DEBUG_p_TEST DEBUG_p_TEST_
3419# define DEBUG_s_TEST DEBUG_s_TEST_
3420# define DEBUG_l_TEST DEBUG_l_TEST_
3421# define DEBUG_t_TEST DEBUG_t_TEST_
3422# define DEBUG_o_TEST DEBUG_o_TEST_
3423# define DEBUG_c_TEST DEBUG_c_TEST_
3424# define DEBUG_P_TEST DEBUG_P_TEST_
3425# define DEBUG_m_TEST DEBUG_m_TEST_
3426# define DEBUG_f_TEST DEBUG_f_TEST_
3427# define DEBUG_r_TEST DEBUG_r_TEST_
3428# define DEBUG_x_TEST DEBUG_x_TEST_
3429# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 3430# define DEBUG_H_TEST DEBUG_H_TEST_
3431# define DEBUG_X_TEST DEBUG_X_TEST_
9755d405 3432# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3433# define DEBUG_D_TEST DEBUG_D_TEST_
3434# define DEBUG_S_TEST DEBUG_S_TEST_
3435# define DEBUG_T_TEST DEBUG_T_TEST_
3436# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3437# define DEBUG_J_TEST DEBUG_J_TEST_
bbb1cf39 3438# define DEBUG_v_TEST DEBUG_v_TEST_
856b6425
NC		 3439# define DEBUG_A_TEST DEBUG_A_TEST_
3440# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3441
70cc50ef
JH		 3442# define PERL_DEB(a) a
3443# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3444# define DEBUG_p(a) if (DEBUG_p_TEST) a
3445# define DEBUG_s(a) if (DEBUG_s_TEST) a
3446# define DEBUG_l(a) if (DEBUG_l_TEST) a
3447# define DEBUG_t(a) if (DEBUG_t_TEST) a
3448# define DEBUG_o(a) if (DEBUG_o_TEST) a
3449# define DEBUG_c(a) if (DEBUG_c_TEST) a
3450# define DEBUG_P(a) if (DEBUG_P_TEST) a
3451
969058bb
VK		 3452 /* Temporarily turn off memory debugging in case the a
3453 * does memory allocation, either directly or indirectly. */
acfe0abc 3454# define DEBUG_m(a) \
0b250b9e 3455 STMT_START { \
aea4f609 3456 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3457 } STMT_END
aea4f609 3458
5f80b19c
AMS		 3459# define DEBUG__(t, a) \
3460 STMT_START { \
3461 if (t) STMT_START {a;} STMT_END; \
3462 } STMT_END
3463
3464# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3465# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3466# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3467# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 3468# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3469# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
9755d405 3470# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3471# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3472
4d1ff10f 3473# ifdef USE_5005THREADS
5f80b19c 3474# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ		 3475# else
3476# define DEBUG_S(a)
3477# endif
aea4f609 3478
5f80b19c
AMS		 3479# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3480# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
bbb1cf39 3481# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
856b6425
NC		 3482# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3483# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3484
3485#else /* DEBUGGING */
3486
3487# define DEBUG_p_TEST (0)
3488# define DEBUG_s_TEST (0)
3489# define DEBUG_l_TEST (0)
3490# define DEBUG_t_TEST (0)
3491# define DEBUG_o_TEST (0)
3492# define DEBUG_c_TEST (0)
3493# define DEBUG_P_TEST (0)
3494# define DEBUG_m_TEST (0)
3495# define DEBUG_f_TEST (0)
3496# define DEBUG_r_TEST (0)
3497# define DEBUG_x_TEST (0)
3498# define DEBUG_u_TEST (0)
aea4f609
DM		 3499# define DEBUG_H_TEST (0)
3500# define DEBUG_X_TEST (0)
9755d405 3501# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3502# define DEBUG_D_TEST (0)
3503# define DEBUG_S_TEST (0)
3504# define DEBUG_T_TEST (0)
04932ac8 3505# define DEBUG_R_TEST (0)
1045810a 3506# define DEBUG_J_TEST (0)
bbb1cf39 3507# define DEBUG_v_TEST (0)
856b6425
NC		 3508# define DEBUG_A_TEST (0)
3509# define DEBUG_q_TEST (0)
aea4f609 3510
70cc50ef
JH		 3511# define PERL_DEB(a)
3512# define PERL_DEBUG(a)
aea4f609
DM		 3513# define DEBUG_p(a)
3514# define DEBUG_s(a)
3515# define DEBUG_l(a)
3516# define DEBUG_t(a)
3517# define DEBUG_o(a)
3518# define DEBUG_c(a)
3519# define DEBUG_P(a)
3520# define DEBUG_m(a)
3521# define DEBUG_f(a)
3522# define DEBUG_r(a)
3523# define DEBUG_x(a)
3524# define DEBUG_u(a)
aea4f609
DM		 3525# define DEBUG_H(a)
3526# define DEBUG_X(a)
9755d405 3527# define DEBUG_Xv(a)
aea4f609
DM		 3528# define DEBUG_D(a)
3529# define DEBUG_S(a)
3530# define DEBUG_T(a)
04932ac8 3531# define DEBUG_R(a)
bbb1cf39 3532# define DEBUG_v(a)
856b6425
NC		 3533# define DEBUG_A(a)
3534# define DEBUG_q(a)
aea4f609
DM		 3535#endif /* DEBUGGING */
3536
3537
1aa6899f
JH		 3538#define DEBUG_SCOPE(where) \
3539 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
d015a557 3540 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
1aa6899f
JH		 3541
3542
3543
3544
d1be9408 3545/* These constants should be used in preference to raw characters
14befaf4
DM		 3546 * when using magic. Note that some perl guts still assume
3547 * certain character properties of these constants, namely that
3548 * isUPPER() and toLOWER() may do useful mappings.
3549 *
3550 * Update the magic_names table in dump.c when adding/amending these
3551 */
3552
3553#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3554#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3555#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3556#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3557#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3558#define PERL_MAGIC_regdata 'D' /* Regex match position data
3559 (@+ and @- vars) */
3560#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3561#define PERL_MAGIC_env 'E' /* %ENV hash */
3562#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3563#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3564#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3565#define PERL_MAGIC_isa 'I' /* @ISA array */
3566#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3567#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3568#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3569#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3570#define PERL_MAGIC_mutex 'm' /* for lock op */
3571#define PERL_MAGIC_shared 'N' /* Shared between threads */
3572#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3573#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3574#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3575#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3576#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3577#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3578#define PERL_MAGIC_sig 'S' /* %SIG hash */
3579#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3580#define PERL_MAGIC_taint 't' /* Taintedness */
3581#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3582#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
7d7ce6cc 3583#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
14befaf4 3584#define PERL_MAGIC_vec 'v' /* vec() lvalue */
323eb6b5 3585#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3586#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3587#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3588 smart parameter vivification */
3589#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3590#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3591#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3592#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 3593#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3594
3595
fe14fcc3 3596#define YYMAXDEPTH 300
8d063cd8 3597
a6e633de 3598#ifndef assert /* <assert.h> might have been included somehow */
d6ffaf15
NC		 3599#define assert(what) PERL_DEB( \
3600 ((what) ? ((void) 0) : \
5900599a 3601 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
d6ffaf15 3602 "\", line %d", STRINGIFY(what), __LINE__), \
d6ffaf15 3603 (void) 0)))
a446a88f 3604#endif
8d063cd8 3605
450a55e4 3606struct ufuncs {
24f81a43
DM		 3607 I32 (*uf_val)(pTHX_ IV, SV*);
3608 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3609 IV uf_index;
450a55e4
LW		 3610};
3611
14befaf4 3612/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3613 * XS code wanting to be backward compatible can do something
3614 * like the following:
c745e42c 3615
24f81a43 3616#ifndef PERL_MG_UFUNC
24f81a43
DM		 3617#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3618#endif
3619
3620static PERL_MG_UFUNC(foo_get, index, val)
3621{
3622 sv_setsv(val, ...);
3623 return TRUE;
3624}
3625
3626-- Doug MacEachern
3627
3628*/
3629
fc9c74e6 3630#ifndef PERL_MG_UFUNC
24f81a43 3631#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3632#endif
24f81a43 3633
fe14fcc3 3634/* Fix these up for __STDC__ */
68dc0745 3635#ifndef DONT_DECLARE_STD
20ce7b12 3636char *mktemp (char*);
37bd1396 3637#ifndef atof
20ce7b12 3638double atof (const char*);
a0d0e21e 3639#endif
37bd1396 3640#endif
79072805 3641
352d5a3a 3642#ifndef STANDARD_C
fe14fcc3 3643/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3644Time_t time();
8d063cd8 3645struct tm *gmtime(), *localtime();
092bebab 3646#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3647char *(strchr)(), *(strrchr)();
3648char *(strcpy)(), *(strcat)();
3649#else
93a17b20 3650char *strchr(), *strrchr();
378cc40b 3651char *strcpy(), *strcat();
9d116dd7 3652#endif
352d5a3a 3653#endif /* ! STANDARD_C */
8d063cd8 3654
79072805
LW		 3655
3656#ifdef I_MATH
3657# include <math.h>
3658#else
32f822de 3659START_EXTERN_C
20ce7b12
GS		 3660 double exp (double);
3661 double log (double);
3662 double log10 (double);
3663 double sqrt (double);
3664 double frexp (double,int*);
3665 double ldexp (double,int);
3666 double modf (double,double*);
3667 double sin (double);
3668 double cos (double);
3669 double atan2 (double,double);
3670 double pow (double,double);
32f822de 3671END_EXTERN_C
79072805
LW		 3672#endif
3673
aa8b85de
JH		 3674#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3675# define NV_INF LDBL_INFINITY
3676#endif
3677#if !defined(NV_INF) && defined(DBL_INFINITY)
3678# define NV_INF (NV)DBL_INFINITY
3679#endif
3680#if !defined(NV_INF) && defined(INFINITY)
3681# define NV_INF (NV)INFINITY
3682#endif
3683#if !defined(NV_INF) && defined(INF)
3684# define NV_INF (NV)INF
3685#endif
3686#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3687# define NV_INF (NV)HUGE_VALL
3688#endif
3689#if !defined(NV_INF) && defined(HUGE_VAL)
3690# define NV_INF (NV)HUGE_VAL
3691#endif
3692
3693#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3694# if !defined(NV_NAN) && defined(LDBL_NAN)
3695# define NV_NAN LDBL_NAN
3696# endif
3697# if !defined(NV_NAN) && defined(LDBL_QNAN)
3698# define NV_NAN LDBL_QNAN
3699# endif
3700# if !defined(NV_NAN) && defined(LDBL_SNAN)
3701# define NV_NAN LDBL_SNAN
3702# endif
3703#endif
3704#if !defined(NV_NAN) && defined(DBL_NAN)
3705# define NV_NAN (NV)DBL_NAN
3706#endif
3707#if !defined(NV_NAN) && defined(DBL_QNAN)
3708# define NV_NAN (NV)DBL_QNAN
3709#endif
3710#if !defined(NV_NAN) && defined(DBL_SNAN)
3711# define NV_NAN (NV)DBL_SNAN
3712#endif
3713#if !defined(NV_NAN) && defined(QNAN)
3714# define NV_NAN (NV)QNAN
3715#endif
3716#if !defined(NV_NAN) && defined(SNAN)
3717# define NV_NAN (NV)SNAN
3718#endif
3719#if !defined(NV_NAN) && defined(NAN)
3720# define NV_NAN (NV)NAN
3721#endif
3722
a0d0e21e 3723#ifndef __cplusplus
8f1f23e8 3724# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3725char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3726# else
fd8cd3a3 3727# if !defined(WIN32) && !defined(VMS)
10bc17b6 3728#ifndef crypt
20ce7b12 3729char *crypt (const char*, const char*);
10bc17b6 3730#endif
5014db98 3731# endif /* !WIN32 */
8f1f23e8 3732# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3733# ifndef DONT_DECLARE_STD
3734# ifndef getenv
20ce7b12 3735char *getenv (const char*);
26618a56 3736# endif /* !getenv */
28ca6303 3737# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3738# ifdef _FILE_OFFSET_BITS
28ca6303 3739# if _FILE_OFFSET_BITS == 64
20ce7b12 3740Off_t lseek (int,Off_t,int);
0fc67700
JH		 3741# endif
3742# endif
bf0c440f 3743# endif
26618a56 3744# endif /* !DONT_DECLARE_STD */
10bc17b6 3745#ifndef getlogin
20ce7b12 3746char *getlogin (void);
10bc17b6 3747#endif
26618a56 3748#endif /* !__cplusplus */
79072805 3749
b14528dd
NC		 3750/* Fixme on VMS. This needs to be a run-time, not build time options */
3751/* Also rename() is affected by this */
16d20bd9 3752#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3753#define UNLINK unlnk
20ce7b12 3754I32 unlnk (char*);
8d063cd8 3755#else
80252599 3756#define UNLINK PerlLIO_unlink
8d063cd8 3757#endif
a687059c 3758
fa0a29af
JH		 3759/* some versions of glibc are missing the setresuid() proto */
3760#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3761int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3762#endif
fa0a29af
JH		 3763/* some versions of glibc are missing the setresgid() proto */
3764#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3765int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3766#endif
3767
fe14fcc3 3768#ifndef HAS_SETREUID
85e6fe83
LW		 3769# ifdef HAS_SETRESUID
3770# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3771# define HAS_SETREUID
3772# endif
a687059c 3773#endif
fe14fcc3 3774#ifndef HAS_SETREGID
85e6fe83
LW		 3775# ifdef HAS_SETRESGID
3776# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3777# define HAS_SETREGID
3778# endif
a687059c 3779#endif
ee0007ab 3780
d543acb6 3781/* Sighandler_t defined in iperlsys.h */
ff68c719 3782
3783#ifdef HAS_SIGACTION
3784typedef struct sigaction Sigsave_t;
3785#else
3786typedef Sighandler_t Sigsave_t;
3787#endif
3788
ee0007ab
LW		 3789#define SCAN_DEF 0
3790#define SCAN_TR 1
3791#define SCAN_REPL 2
79072805
LW		 3792
3793#ifdef DEBUGGING
4633a7c4 3794# ifndef register
a0d0e21e
LW		 3795# define register
3796# endif
cea2e8a9 3797# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3798#else
cea2e8a9 3799# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3800#endif
3801
18f739ee 3802#ifdef MYMALLOC
772fe5b3 3803# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3804# define MALLOC_INIT \
3805 STMT_START { \
3806 PL_malloc_mutex = NULL; \
3807 MUTEX_INIT(&PL_malloc_mutex); \
3808 } STMT_END
3809# define MALLOC_TERM \
3810 STMT_START { \
3811 perl_mutex tmp = PL_malloc_mutex; \
3812 PL_malloc_mutex = NULL; \
3813 MUTEX_DESTROY(&tmp); \
3814 } STMT_END
3815# else
3816# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3817# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3818# endif
18f739ee
IZ		 3819#else
3820# define MALLOC_INIT
3821# define MALLOC_TERM
3822#endif
3823
1a6eb1c8
MHM		 3824#if defined(PERL_IMPLICIT_CONTEXT)
3825
3826struct perl_memory_debug_header;
3827struct perl_memory_debug_header {
3828 tTHX interpreter;
3829# ifdef PERL_POISON
3830 MEM_SIZE size;
3831# endif
3832 struct perl_memory_debug_header *prev;
3833 struct perl_memory_debug_header *next;
3834};
3835
3836# define sTHX (sizeof(struct perl_memory_debug_header) + \
3837 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
3838 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
3839
3840#endif
3841
3842#ifdef PERL_TRACK_MEMPOOL
3843# define INIT_TRACK_MEMPOOL(header, interp) \
3844 STMT_START { \
3845 (header).interpreter = (interp); \
3846 (header).prev = (header).next = &(header); \
3847 } STMT_END
3848# else
3849# define INIT_TRACK_MEMPOOL(header, interp)
3850#endif
3851
b6d9d515 3852
0cb96387 3853typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3854typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3855typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3856typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3857
940cb80d 3858/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3859#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3860
8f1f23e8
W		 3861/* NeXT has problems with crt0.o globals */
3862#if defined(__DYNAMIC__) && \
6bf46c2a 3863 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3864# if defined(NeXT) || defined(__NeXT)
3865# include <mach-o/dyld.h>
3866# define environ (*environ_pointer)
0c30d9ec 3867EXT char *** environ_pointer;
8f1f23e8 3868# else
6bf46c2a 3869# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3870# include <crt_externs.h> /* for the env array */
3871# define environ (*_NSGetEnviron())
3872# endif
0c30d9ec 3873# endif
8f1f23e8
W		 3874#else
3875 /* VMS and some other platforms don't use the environ array */
13b6e58c 3876# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3877# if !defined(DONT_DECLARE_STD) || \
3878 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3879 defined(__sgi) || \
d460ef45 3880 defined(__DGUX)
8f1f23e8 3881extern char ** environ; /* environment variables supplied via exec */
a6c40364 3882# endif
8f1f23e8
W		 3883# endif
3884#endif
79072805 3885
73c4f7a1
GS		 3886START_EXTERN_C
3887
79072805 3888/* handy constants */
22c35a8c 3889EXTCONST char PL_warn_uninit[]
b89fed5f 3890 INIT("Use of uninitialized value%s%s");
22c35a8c 3891EXTCONST char PL_warn_nosemi[]
463ee0b2 3892 INIT("Semicolon seems to be missing");
22c35a8c 3893EXTCONST char PL_warn_reserved[]
463ee0b2 3894 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3895EXTCONST char PL_warn_nl[]
93a17b20 3896 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3897EXTCONST char PL_no_wrongref[]
a0d0e21e 3898 INIT("Can't use %s ref as %s ref");
22c35a8c 3899EXTCONST char PL_no_symref[]
748a9306 3900 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
057b822e
NC		 3901EXTCONST char PL_no_symref_sv[]
3902 INIT("Can't use string (\"%.32" SVf "\") as %s ref while \"strict refs\" in use");
22c35a8c 3903EXTCONST char PL_no_usym[]
8990e307 3904 INIT("Can't use an undefined value as %s reference");
22c35a8c 3905EXTCONST char PL_no_aelem[]
93a17b20 3906 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 3907EXTCONST char PL_no_helem[]
93a17b20 3908 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
6b53674b 3909EXTCONST char PL_no_helem_sv[]
3fe4228b 3910 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 3911EXTCONST char PL_no_modify[]
93a17b20 3912 INIT("Modification of a read-only value attempted");
22c35a8c 3913EXTCONST char PL_no_mem[]
93a17b20 3914 INIT("Out of memory!\n");
22c35a8c 3915EXTCONST char PL_no_security[]
463ee0b2 3916 INIT("Insecure dependency in %s%s");
22c35a8c 3917EXTCONST char PL_no_sock_func[]
93a17b20 3918 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3919EXTCONST char PL_no_dir_func[]
93a17b20 3920 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3921EXTCONST char PL_no_func[]
93a17b20 3922 INIT("The %s function is unimplemented");
22c35a8c 3923EXTCONST char PL_no_myglob[]
748a9306 3924 INIT("\"my\" variable %s can't be in a package");
5835a535
JH		 3925EXTCONST char PL_no_localize_ref[]
3926 INIT("Can't localize through a reference");
1c6118a4
JH		 3927EXTCONST char PL_memory_wrap[]
3928 INIT("panic: memory wrap");
93a17b20 3929
7575fa06 3930EXTCONST char PL_uuemap[65]
80252599
GS		 3931 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3932
3933
79072805 3934#ifdef DOINIT
c05e0e2f 3935EXT const char *PL_sig_name[] = { SIG_NAME };
22c35a8c 3936EXT int PL_sig_num[] = { SIG_NUM };
79072805 3937#else
c05e0e2f 3938EXT const char *PL_sig_name[];
22c35a8c 3939EXT int PL_sig_num[];
79072805
LW		 3940#endif
3941
3bd709b1 3942/* fast conversion and case folding tables */
bbce6d69 3943
79072805 3944#ifdef DOINIT
9d116dd7 3945#ifdef EBCDIC
22c35a8c 3946EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3947 0, 1, 2, 3, 4, 5, 6, 7,
3948 8, 9, 10, 11, 12, 13, 14, 15,
3949 16, 17, 18, 19, 20, 21, 22, 23,
3950 24, 25, 26, 27, 28, 29, 30, 31,
3951 32, 33, 34, 35, 36, 37, 38, 39,
3952 40, 41, 42, 43, 44, 45, 46, 47,
3953 48, 49, 50, 51, 52, 53, 54, 55,
3954 56, 57, 58, 59, 60, 61, 62, 63,
3955 64, 65, 66, 67, 68, 69, 70, 71,
3956 72, 73, 74, 75, 76, 77, 78, 79,
3957 80, 81, 82, 83, 84, 85, 86, 87,
3958 88, 89, 90, 91, 92, 93, 94, 95,
3959 96, 97, 98, 99, 100, 101, 102, 103,
3960 104, 105, 106, 107, 108, 109, 110, 111,
3961 112, 113, 114, 115, 116, 117, 118, 119,
3962 120, 121, 122, 123, 124, 125, 126, 127,
3963 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3964 'H', 'I', 138, 139, 140, 141, 142, 143,
3965 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3966 'Q', 'R', 154, 155, 156, 157, 158, 159,
3967 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3968 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3969 176, 177, 178, 179, 180, 181, 182, 183,
3970 184, 185, 186, 187, 188, 189, 190, 191,
3971 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3972 'h', 'i', 202, 203, 204, 205, 206, 207,
3973 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3974 'q', 'r', 218, 219, 220, 221, 222, 223,
3975 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3976 'y', 'z', 234, 235, 236, 237, 238, 239,
3977 240, 241, 242, 243, 244, 245, 246, 247,
3978 248, 249, 250, 251, 252, 253, 254, 255
3979};
3980#else /* ascii rather than ebcdic */
22c35a8c 3981EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3982 0, 1, 2, 3, 4, 5, 6, 7,
3983 8, 9, 10, 11, 12, 13, 14, 15,
3984 16, 17, 18, 19, 20, 21, 22, 23,
3985 24, 25, 26, 27, 28, 29, 30, 31,
3986 32, 33, 34, 35, 36, 37, 38, 39,
3987 40, 41, 42, 43, 44, 45, 46, 47,
3988 48, 49, 50, 51, 52, 53, 54, 55,
3989 56, 57, 58, 59, 60, 61, 62, 63,
3990 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3991 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3992 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3993 'x', 'y', 'z', 91, 92, 93, 94, 95,
3994 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3995 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3996 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3997 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3998 128, 129, 130, 131, 132, 133, 134, 135,
3999 136, 137, 138, 139, 140, 141, 142, 143,
4000 144, 145, 146, 147, 148, 149, 150, 151,
4001 152, 153, 154, 155, 156, 157, 158, 159,
4002 160, 161, 162, 163, 164, 165, 166, 167,
4003 168, 169, 170, 171, 172, 173, 174, 175,
4004 176, 177, 178, 179, 180, 181, 182, 183,
4005 184, 185, 186, 187, 188, 189, 190, 191,
4006 192, 193, 194, 195, 196, 197, 198, 199,
4007 200, 201, 202, 203, 204, 205, 206, 207,
4008 208, 209, 210, 211, 212, 213, 214, 215,
4009 216, 217, 218, 219, 220, 221, 222, 223,
4010 224, 225, 226, 227, 228, 229, 230, 231,
4011 232, 233, 234, 235, 236, 237, 238, 239,
4012 240, 241, 242, 243, 244, 245, 246, 247,
4013 248, 249, 250, 251, 252, 253, 254, 255
4014};
9d116dd7 4015#endif /* !EBCDIC */
79072805 4016#else
22c35a8c 4017EXTCONST unsigned char PL_fold[];
79072805
LW		 4018#endif
4019
4020#ifdef DOINIT
22c35a8c 4021EXT unsigned char PL_fold_locale[] = {
79072805
LW		 4022 0, 1, 2, 3, 4, 5, 6, 7,
4023 8, 9, 10, 11, 12, 13, 14, 15,
4024 16, 17, 18, 19, 20, 21, 22, 23,
4025 24, 25, 26, 27, 28, 29, 30, 31,
4026 32, 33, 34, 35, 36, 37, 38, 39,
4027 40, 41, 42, 43, 44, 45, 46, 47,
4028 48, 49, 50, 51, 52, 53, 54, 55,
4029 56, 57, 58, 59, 60, 61, 62, 63,
4030 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4031 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4032 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4033 'x', 'y', 'z', 91, 92, 93, 94, 95,
4034 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4035 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4036 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4037 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4038 128, 129, 130, 131, 132, 133, 134, 135,
4039 136, 137, 138, 139, 140, 141, 142, 143,
4040 144, 145, 146, 147, 148, 149, 150, 151,
4041 152, 153, 154, 155, 156, 157, 158, 159,
4042 160, 161, 162, 163, 164, 165, 166, 167,
4043 168, 169, 170, 171, 172, 173, 174, 175,
4044 176, 177, 178, 179, 180, 181, 182, 183,
4045 184, 185, 186, 187, 188, 189, 190, 191,
4046 192, 193, 194, 195, 196, 197, 198, 199,
4047 200, 201, 202, 203, 204, 205, 206, 207,
4048 208, 209, 210, 211, 212, 213, 214, 215,
4049 216, 217, 218, 219, 220, 221, 222, 223,
4050 224, 225, 226, 227, 228, 229, 230, 231,
4051 232, 233, 234, 235, 236, 237, 238, 239,
4052 240, 241, 242, 243, 244, 245, 246, 247,
4053 248, 249, 250, 251, 252, 253, 254, 255
4054};
4055#else
22c35a8c 4056EXT unsigned char PL_fold_locale[];
79072805
LW		 4057#endif
4058
4059#ifdef DOINIT
9d116dd7 4060#ifdef EBCDIC
22c35a8c 4061EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4062 1, 2, 84, 151, 154, 155, 156, 157,
4063 165, 246, 250, 3, 158, 7, 18, 29,
4064 40, 51, 62, 73, 85, 96, 107, 118,
4065 129, 140, 147, 148, 149, 150, 152, 153,
4066 255, 6, 8, 9, 10, 11, 12, 13,
4067 14, 15, 24, 25, 26, 27, 28, 226,
4068 29, 30, 31, 32, 33, 43, 44, 45,
4069 46, 47, 48, 49, 50, 76, 77, 78,
4070 79, 80, 81, 82, 83, 84, 85, 86,
4071 87, 94, 95, 234, 181, 233, 187, 190,
4072 180, 96, 97, 98, 99, 100, 101, 102,
4073 104, 112, 182, 174, 236, 232, 229, 103,
4074 228, 226, 114, 115, 116, 117, 118, 119,
4075 120, 121, 122, 235, 176, 230, 194, 162,
4076 130, 131, 132, 133, 134, 135, 136, 137,
4077 138, 139, 201, 205, 163, 217, 220, 224,
4078 5, 248, 227, 244, 242, 255, 241, 231,
4079 240, 253, 16, 197, 19, 20, 21, 187,
4080 23, 169, 210, 245, 237, 249, 247, 239,
4081 168, 252, 34, 196, 36, 37, 38, 39,
4082 41, 42, 251, 254, 238, 223, 221, 213,
4083 225, 177, 52, 53, 54, 55, 56, 57,
4084 58, 59, 60, 61, 63, 64, 65, 66,
4085 67, 68, 69, 70, 71, 72, 74, 75,
4086 205, 208, 186, 202, 200, 218, 198, 179,
4087 178, 214, 88, 89, 90, 91, 92, 93,
4088 217, 166, 170, 207, 199, 209, 206, 204,
4089 160, 212, 105, 106, 108, 109, 110, 111,
4090 203, 113, 216, 215, 192, 175, 193, 243,
4091 172, 161, 123, 124, 125, 126, 127, 128,
4092 222, 219, 211, 195, 188, 193, 185, 184,
4093 191, 183, 141, 142, 143, 144, 145, 146
4094};
4095#else /* ascii rather than ebcdic */
22c35a8c 4096EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4097 1, 2, 84, 151, 154, 155, 156, 157,
4098 165, 246, 250, 3, 158, 7, 18, 29,
4099 40, 51, 62, 73, 85, 96, 107, 118,
4100 129, 140, 147, 148, 149, 150, 152, 153,
4101 255, 182, 224, 205, 174, 176, 180, 217,
4102 233, 232, 236, 187, 235, 228, 234, 226,
4103 222, 219, 211, 195, 188, 193, 185, 184,
4104 191, 183, 201, 229, 181, 220, 194, 162,
4105 163, 208, 186, 202, 200, 218, 198, 179,
4106 178, 214, 166, 170, 207, 199, 209, 206,
4107 204, 160, 212, 216, 215, 192, 175, 173,
4108 243, 172, 161, 190, 203, 189, 164, 230,
4109 167, 248, 227, 244, 242, 255, 241, 231,
4110 240, 253, 169, 210, 245, 237, 249, 247,
4111 239, 168, 252, 251, 254, 238, 223, 221,
4112 213, 225, 177, 197, 171, 196, 159, 4,
4113 5, 6, 8, 9, 10, 11, 12, 13,
4114 14, 15, 16, 17, 19, 20, 21, 22,
4115 23, 24, 25, 26, 27, 28, 30, 31,
4116 32, 33, 34, 35, 36, 37, 38, 39,
4117 41, 42, 43, 44, 45, 46, 47, 48,
4118 49, 50, 52, 53, 54, 55, 56, 57,
4119 58, 59, 60, 61, 63, 64, 65, 66,
4120 67, 68, 69, 70, 71, 72, 74, 75,
4121 76, 77, 78, 79, 80, 81, 82, 83,
4122 86, 87, 88, 89, 90, 91, 92, 93,
4123 94, 95, 97, 98, 99, 100, 101, 102,
4124 103, 104, 105, 106, 108, 109, 110, 111,
4125 112, 113, 114, 115, 116, 117, 119, 120,
4126 121, 122, 123, 124, 125, 126, 127, 128,
4127 130, 131, 132, 133, 134, 135, 136, 137,
4128 138, 139, 141, 142, 143, 144, 145, 146
4129};
9d116dd7 4130#endif
79072805 4131#else
22c35a8c 4132EXTCONST unsigned char PL_freq[];
79072805
LW		 4133#endif
4134
8990e307
LW		 4135#ifdef DEBUGGING
4136#ifdef DOINIT
22c35a8c 4137EXTCONST char* PL_block_type[] = {
8990e307
LW		 4138 "NULL",
4139 "SUB",
4140 "EVAL",
4141 "LOOP",
4142 "SUBST",
4143 "BLOCK",
4144};
4145#else
22c35a8c 4146EXTCONST char* PL_block_type[];
8990e307
LW		 4147#endif
4148#endif
4149
73c4f7a1
GS		 4150END_EXTERN_C
4151
79072805
LW		 4152/*****************************************************************************/
4153/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4154/*****************************************************************************/
8990e307 4155/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4156
f0798ba3
OS		 4157#ifdef __Lynx__
4158/* LynxOS defines these in scsi.h which is included via ioctl.h */
4159#ifdef FORMAT
4160#undef FORMAT
4161#endif
4162#ifdef SPACE
4163#undef SPACE
4164#endif
4165#endif
4166
a0d0e21e
LW		 4167#include "perly.h"
4168
fb73857a 4169#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4170
79072805
LW		 4171typedef enum {
4172 XOPERATOR,
4173 XTERM,
79072805 4174 XREF,
8990e307 4175 XSTATE,
a0d0e21e 4176 XBLOCK,
09bef843
SB		 4177 XATTRBLOCK,
4178 XATTRTERM,
a0d0e21e 4179 XTERMBLOCK
79072805
LW		 4180} expectation;
4181
dc9e4912
GS		 4182enum { /* pass one of these to get_vtbl */
4183 want_vtbl_sv,
4184 want_vtbl_env,
4185 want_vtbl_envelem,
4186 want_vtbl_sig,
4187 want_vtbl_sigelem,
4188 want_vtbl_pack,
4189 want_vtbl_packelem,
4190 want_vtbl_dbline,
4191 want_vtbl_isa,
4192 want_vtbl_isaelem,
4193 want_vtbl_arylen,
4194 want_vtbl_glob,
4195 want_vtbl_mglob,
4196 want_vtbl_nkeys,
4197 want_vtbl_taint,
4198 want_vtbl_substr,
4199 want_vtbl_vec,
4200 want_vtbl_pos,
4201 want_vtbl_bm,
4202 want_vtbl_fm,
4203 want_vtbl_uvar,
4204 want_vtbl_defelem,
4205 want_vtbl_regexp,
4206 want_vtbl_collxfrm,
4207 want_vtbl_amagic,
4208 want_vtbl_amagicelem,
4d1ff10f 4209#ifdef USE_5005THREADS
dc9e4912
GS		 4210 want_vtbl_mutex,
4211#endif
4212 want_vtbl_regdata,
810b8aa5 4213 want_vtbl_regdatum,
323eb6b5
JH		 4214 want_vtbl_backref,
4215 want_vtbl_utf8
dc9e4912
GS		 4216};
4217
85e6fe83
LW		 4218 /* Note: the lowest 8 bits are reserved for
4219 stuffing into op->op_private */
f3aa04c2 4220#define HINT_PRIVATE_MASK 0x000000ff
1da2d140
JH		 4221#define HINT_INTEGER 0x00000001 /* integer pragma */
4222#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4223#define HINT_LOCALE 0x00000004 /* locale pragma */
4224#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 4225/* #define HINT_notused10 0x00000010 */
a0ed51b3 4226 /* Note: 20,40,80 used for NATIVE_HINTS */
1da2d140 4227 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4228
4229#define HINT_BLOCK_SCOPE 0x00000100
1da2d140
JH		 4230#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4231#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 4232
1da2d140 4233/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4234#define HINT_NEW_INTEGER 0x00001000
4235#define HINT_NEW_FLOAT 0x00002000
4236#define HINT_NEW_BINARY 0x00004000
4237#define HINT_NEW_STRING 0x00008000
4238#define HINT_NEW_RE 0x00010000
4239#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
4240
1da2d140
JH		 4241#define HINT_RE_TAINT 0x00100000 /* re pragma */
4242#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4243
1da2d140
JH		 4244#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4245#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4246
1da2d140 4247/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 4248#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4249#define HINT_SORT_QUICKSORT 0x00000001
4250#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4251#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4252
8bfdd7d9 4253/* Various states of the input record separator SV (rs) */
d4cce5f1 4254#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4255#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4256#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4257#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4258
128e8167 4259/* A struct for keeping various DEBUGGING related stuff,
ce333219 4260 * neatly packed. Currently only scratch variables for
128e8167
JH		 4261 * constructing debug output are included. Needed always,
4262 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4263struct perl_debug_pad {
4264 SV pad[3];
4265};
4266
4267#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a8dc4fe8
SP		 4268#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4269 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4270 PERL_DEBUG_PAD(i))
ce333219 4271
56953603 4272/* Enable variables which are pointers to functions */
a2efc822 4273typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 4274typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
4275typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
4276 char* strend, char* strbeg, I32 minend,
4277 SV* screamer, void* data, U32 flags);
f722798b
IZ		 4278typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
4279 char *strpos, char *strend,
4280 U32 flags,
4281 struct re_scream_pos_data_s *d);
4282typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
4283typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 4284
c76ac1ee 4285typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 4286typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
4287typedef void (*SVFUNC_t) (pTHX_ SV*);
4288typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
4289typedef void (*XSINIT_t) (pTHX);
4290typedef void (*ATEXIT_t) (pTHX_ void*);
4291typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4292
22239a37
NIS		 4293/* Set up PERLVAR macros for populating structs */
4294#define PERLVAR(var,type) type var;
51371543 4295#define PERLVARA(var,n,type) type var[n];
22239a37 4296#define PERLVARI(var,type,init) type var;
3fe35a81 4297#define PERLVARIC(var,type,init) type var;
22239a37 4298
58a50f62
GS		 4299/* Interpreter exitlist entry */
4300typedef struct exitlistentry {
acfe0abc 4301 void (*fn) (pTHX_ void*);
58a50f62
GS		 4302 void *ptr;
4303} PerlExitListEntry;
4304
22239a37
NIS		 4305#ifdef PERL_GLOBAL_STRUCT
4306struct perl_vars {
7766f137 4307# include "perlvars.h"
22239a37
NIS		 4308};
4309
7766f137 4310# ifdef PERL_CORE
533c011a
NIS		 4311EXT struct perl_vars PL_Vars;
4312EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 4313# else /* PERL_CORE */
4314# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4315EXT
7766f137 4316# endif /* WIN32 */
533c011a 4317struct perl_vars *PL_VarsPtr;
7766f137
GS		 4318# define PL_Vars (*((PL_VarsPtr) \
4319 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4320# endif /* PERL_CORE */
22239a37
NIS		 4321#endif /* PERL_GLOBAL_STRUCT */
4322
acfe0abc 4323#if defined(MULTIPLICITY)
d460ef45 4324/* If we have multiple interpreters define a struct
d4cce5f1 4325 holding variables which must be per-interpreter
d460ef45 4326 If we don't have threads anything that would have
d4cce5f1
NIS		 4327 be per-thread is per-interpreter.
4328*/
4329
79072805 4330struct interpreter {
4d1ff10f 4331# ifndef USE_5005THREADS
7766f137
GS		 4332# include "thrdvar.h"
4333# endif
4334# include "intrpvar.h"
4335/*
4336 * The following is a buffer where new variables must
acfe0abc 4337 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 4338 */
4339PERLVARA(object_compatibility,30, char)
49f531da 4340};
d4cce5f1 4341
79072805 4342#else
49f531da
NIS		 4343struct interpreter {
4344 char broiled;
4345};
acfe0abc 4346#endif /* MULTIPLICITY */
79072805 4347
4d1ff10f 4348#ifdef USE_5005THREADS
d4cce5f1
NIS		 4349/* If we have threads define a struct with all the variables
4350 * that have to be per-thread
49f531da 4351 */
8023c3ce 4352
79072805 4353
49f531da 4354struct perl_thread {
49f531da 4355#include "thrdvar.h"
79072805 4356};
d4cce5f1 4357
22fae026
TM		 4358typedef struct perl_thread *Thread;
4359
4360#else
4361typedef void *Thread;
22239a37
NIS		 4362#endif
4363
4364/* Done with PERLVAR macros for now ... */
d4cce5f1 4365#undef PERLVAR
51371543 4366#undef PERLVARA
d4cce5f1 4367#undef PERLVARI
3fe35a81 4368#undef PERLVARIC
79072805 4369
e02cb1b1 4370struct tempsym; /* defined in pp_pack.c */
cf168e39 4371
22239a37 4372#include "thread.h"
79072805 4373#include "pp.h"
864dbfa3
GS		 4374
4375#ifndef PERL_CALLCONV
0bfdb59a
NC		 4376# ifdef __cplusplus
4377# define PERL_CALLCONV extern "C"
4378# else
4379# define PERL_CALLCONV
4380# endif
d460ef45 4381#endif
0cb96387
GS		 4382#undef PERL_CKDEF
4383#undef PERL_PPDEF
14cdca79
JH		 4384#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4385#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4386
7766f137 4387#include "proto.h"
864dbfa3 4388
0cb96387 4389/* this has structure inits, so it cannot be included before here */
acfe0abc 4390#include "opcode.h"
864dbfa3 4391
d4cce5f1
NIS		 4392/* The following must follow proto.h as #defines mess up syntax */
4393
22c35a8c
GS		 4394#if !defined(PERL_FOR_X2P)
4395# include "embedvar.h"
4396#endif
d4cce5f1 4397
d460ef45 4398/* Now include all the 'global' variables
d4cce5f1 4399 * If we don't have threads or multiple interpreters
d460ef45 4400 * these include variables that would have been their struct-s
d4cce5f1 4401 */
d460ef45 4402
533c011a 4403#define PERLVAR(var,type) EXT type PL_##var;
51371543 4404#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4405#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4406#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 4407
acfe0abc 4408#if !defined(MULTIPLICITY)
7766f137 4409START_EXTERN_C
066ef5b5 4410# include "intrpvar.h"
4d1ff10f 4411# ifndef USE_5005THREADS
066ef5b5
GS		 4412# include "thrdvar.h"
4413# endif
7766f137 4414END_EXTERN_C
22239a37
NIS		 4415#endif
4416
acfe0abc 4417#if defined(WIN32)
66a93824 4418/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4419# include "embed.h"
acfe0abc 4420#endif
22239a37 4421
c5be433b
GS		 4422#ifndef PERL_GLOBAL_STRUCT
4423START_EXTERN_C
4424
4425# include "perlvars.h"
4426
4427END_EXTERN_C
4428#endif
4429
d909e69f
JD		 4430#include "reentr.inc"
4431
d4cce5f1 4432#undef PERLVAR
51371543 4433#undef PERLVARA
d4cce5f1 4434#undef PERLVARI
0f3f18a6 4435#undef PERLVARIC
79072805 4436
73c4f7a1
GS		 4437START_EXTERN_C
4438
71ddbee8
NC		 4439/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
4440 * magic vtables const, but this is incompatible with SWIG which
4441 * does want to modify the vtables. */
4442#ifdef PERL_GLOBAL_STRUCT_PRIVATE
4443# define EXT_MGVTBL EXTCONST MGVTBL
4444#else
4445# define EXT_MGVTBL EXT MGVTBL
4446#endif
4447
79072805 4448#ifdef DOINIT
71ddbee8
NC		 4449# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var = {a,b,c,d,e,f,g,h}
4450/* Like MGVTBL_SET but with the get magic having a const MG* */
4451# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var \
4452 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
208ba935 4453#else
71ddbee8
NC		 4454# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
4455# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT_MGVTBL var
208ba935
NC		 4456#endif
4457
71ddbee8
NC		 4458/* These all need to be 0, not NULL, as NULL can be (void*)0, which is a
4459 * pointer to data, whereas we're assigning pointers to functions, which are
4460 * not the same beast. ANSI doesn't allow the assignment from one to the other.
4461 * (although most, but not all, compilers are prepared to do it)
4462 */
208ba935
NC		 4463MGVTBL_SET(
4464 PL_vtbl_sv,
4465 MEMBER_TO_FPTR(Perl_magic_get),
4466 MEMBER_TO_FPTR(Perl_magic_set),
4467 MEMBER_TO_FPTR(Perl_magic_len),
71ddbee8
NC		 4468 0,
4469 0,
4470 0,
4471 0,
4472 0
208ba935
NC		 4473);
4474
4475MGVTBL_SET(
4476 PL_vtbl_env,
71ddbee8 4477 0,
208ba935 4478 MEMBER_TO_FPTR(Perl_magic_set_all_env),
71ddbee8 4479 0,
208ba935 4480 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
71ddbee8
NC		 4481 0,
4482 0,
4483 0,
4484 0
208ba935
NC		 4485);
4486
4487MGVTBL_SET(
4488 PL_vtbl_envelem,
71ddbee8 4489 0,
208ba935 4490 MEMBER_TO_FPTR(Perl_magic_setenv),
71ddbee8 4491 0,
208ba935 4492 MEMBER_TO_FPTR(Perl_magic_clearenv),
71ddbee8
NC		 4493 0,
4494 0,
4495 0,
4496 0
208ba935
NC		 4497);
4498
4499MGVTBL_SET(
4500 PL_vtbl_sig,
71ddbee8
NC		 4501 0,
4502 0,
4503 0,
4504 0,
4505 0,
4506 0,
4507 0,
4508 0
208ba935 4509);
bbce6d69 4510
64ca3a65 4511#ifdef PERL_MICRO
208ba935
NC		 4512MGVTBL_SET(
4513 PL_vtbl_sigelem,
71ddbee8
NC		 4514 0,
4515 0,
4516 0,
4517 0,
4518 0,
4519 0,
4520 0,
4521 0
208ba935
NC		 4522);
4523
64ca3a65 4524#else
208ba935
NC		 4525MGVTBL_SET(
4526 PL_vtbl_sigelem,
4527 MEMBER_TO_FPTR(Perl_magic_getsig),
4528 MEMBER_TO_FPTR(Perl_magic_setsig),
71ddbee8 4529 0,
208ba935 4530 MEMBER_TO_FPTR(Perl_magic_clearsig),
71ddbee8
NC		 4531 0,
4532 0,
4533 0,
4534 0
208ba935
NC		 4535);
4536#endif
4537
4538MGVTBL_SET(
4539 PL_vtbl_pack,
71ddbee8
NC		 4540 0,
4541 0,
208ba935
NC		 4542 MEMBER_TO_FPTR(Perl_magic_sizepack),
4543 MEMBER_TO_FPTR(Perl_magic_wipepack),
71ddbee8
NC		 4544 0,
4545 0,
4546 0,
4547 0
208ba935
NC		 4548);
4549
4550MGVTBL_SET(
4551 PL_vtbl_packelem,
4552 MEMBER_TO_FPTR(Perl_magic_getpack),
4553 MEMBER_TO_FPTR(Perl_magic_setpack),
71ddbee8 4554 0,
208ba935 4555 MEMBER_TO_FPTR(Perl_magic_clearpack),
71ddbee8
NC		 4556 0,
4557 0,
4558 0,
4559 0
208ba935
NC		 4560);
4561
4562MGVTBL_SET(
4563 PL_vtbl_dbline,
71ddbee8 4564 0,
208ba935 4565 MEMBER_TO_FPTR(Perl_magic_setdbline),
71ddbee8
NC		 4566 0,
4567 0,
4568 0,
4569 0,
4570 0,
4571 0
208ba935
NC		 4572);
4573
4574MGVTBL_SET(
4575 PL_vtbl_isa,
71ddbee8 4576 0,
208ba935 4577 MEMBER_TO_FPTR(Perl_magic_setisa),
71ddbee8 4578 0,
208ba935 4579 MEMBER_TO_FPTR(Perl_magic_setisa),
71ddbee8
NC		 4580 0,
4581 0,
4582 0,
4583 0
208ba935
NC		 4584);
4585
4586MGVTBL_SET(
4587 PL_vtbl_isaelem,
71ddbee8 4588 0,
208ba935 4589 MEMBER_TO_FPTR(Perl_magic_setisa),
71ddbee8
NC		 4590 0,
4591 0,
4592 0,
4593 0,
4594 0,
4595 0
208ba935
NC		 4596);
4597
4598MGVTBL_SET_CONST_MAGIC_GET(
4599 PL_vtbl_arylen,
4600 MEMBER_TO_FPTR(Perl_magic_getarylen),
4601 MEMBER_TO_FPTR(Perl_magic_setarylen),
71ddbee8
NC		 4602 0,
4603 0,
4604 0,
4605 0,
4606 0,
4607 0
208ba935
NC		 4608);
4609
4610MGVTBL_SET(
4611 PL_vtbl_glob,
4612 MEMBER_TO_FPTR(Perl_magic_getglob),
4613 MEMBER_TO_FPTR(Perl_magic_setglob),
71ddbee8
NC		 4614 0,
4615 0,
4616 0,
4617 0,
4618 0,
4619 0
208ba935
NC		 4620);
4621
4622MGVTBL_SET(
4623 PL_vtbl_mglob,
71ddbee8 4624 0,
208ba935 4625 MEMBER_TO_FPTR(Perl_magic_setmglob),
71ddbee8
NC		 4626 0,
4627 0,
4628 0,
4629 0,
4630 0,
4631 0
208ba935
NC		 4632);
4633
4634MGVTBL_SET(
4635 PL_vtbl_nkeys,
4636 MEMBER_TO_FPTR(Perl_magic_getnkeys),
4637 MEMBER_TO_FPTR(Perl_magic_setnkeys),
71ddbee8
NC		 4638 0,
4639 0,
4640 0,
4641 0,
4642 0,
4643 0
208ba935
NC		 4644);
4645
4646MGVTBL_SET(
4647 PL_vtbl_taint,
4648 MEMBER_TO_FPTR(Perl_magic_gettaint),
4649 MEMBER_TO_FPTR(Perl_magic_settaint),
71ddbee8
NC		 4650 0,
4651 0,
4652 0,
4653 0,
4654 0,
4655 0
208ba935
NC		 4656);
4657
4658MGVTBL_SET(
4659 PL_vtbl_substr,
4660 MEMBER_TO_FPTR(Perl_magic_getsubstr),
4661 MEMBER_TO_FPTR(Perl_magic_setsubstr),
71ddbee8
NC		 4662 0,
4663 0,
4664 0,
4665 0,
4666 0,
4667 0
208ba935
NC		 4668);
4669
4670MGVTBL_SET(
4671 PL_vtbl_vec,
4672 MEMBER_TO_FPTR(Perl_magic_getvec),
4673 MEMBER_TO_FPTR(Perl_magic_setvec),
71ddbee8
NC		 4674 0,
4675 0,
4676 0,
4677 0,
4678 0,
4679 0
208ba935
NC		 4680);
4681
4682MGVTBL_SET(
4683 PL_vtbl_pos,
4684 MEMBER_TO_FPTR(Perl_magic_getpos),
4685 MEMBER_TO_FPTR(Perl_magic_setpos),
71ddbee8
NC		 4686 0,
4687 0,
4688 0,
4689 0,
4690 0,
4691 0
208ba935
NC		 4692);
4693
4694MGVTBL_SET(
4695 PL_vtbl_bm,
71ddbee8 4696 0,
208ba935 4697 MEMBER_TO_FPTR(Perl_magic_setbm),
71ddbee8
NC		 4698 0,
4699 0,
4700 0,
4701 0,
4702 0,
4703 0
208ba935
NC		 4704);
4705
4706MGVTBL_SET(
4707 PL_vtbl_fm,
71ddbee8 4708 0,
208ba935 4709 MEMBER_TO_FPTR(Perl_magic_setfm),
71ddbee8
NC		 4710 0,
4711 0,
4712 0,
4713 0,
4714 0,
4715 0
208ba935
NC		 4716);
4717
4d1ff10f 4718#ifdef USE_5005THREADS
208ba935
NC		 4719MGVTBL_SET(
4720 PL_vtbl_mutex,
71ddbee8
NC		 4721 0,
4722 0,
4723 0,
4724 0,
208ba935 4725 MEMBER_TO_FPTR(Perl_magic_mutexfree),
71ddbee8
NC		 4726 0,
4727 0,
4728 0
208ba935 4729);
4d1ff10f 4730#endif /* USE_5005THREADS */
c277df42 4731
208ba935
NC		 4732MGVTBL_SET(
4733 PL_vtbl_uvar,
4734 MEMBER_TO_FPTR(Perl_magic_getuvar),
4735 MEMBER_TO_FPTR(Perl_magic_setuvar),
71ddbee8
NC		 4736 0,
4737 0,
4738 0,
4739 0,
4740 0,
4741 0
208ba935
NC		 4742);
4743
4744MGVTBL_SET(
4745 PL_vtbl_defelem,
4746 MEMBER_TO_FPTR(Perl_magic_getdefelem),
4747 MEMBER_TO_FPTR(Perl_magic_setdefelem),
71ddbee8
NC		 4748 0,
4749 0,
4750 0,
4751 0,
4752 0,
4753 0
208ba935
NC		 4754);
4755
4756MGVTBL_SET(
4757 PL_vtbl_regexp,
71ddbee8 4758 0,
208ba935 4759 MEMBER_TO_FPTR(Perl_magic_setregexp),
71ddbee8
NC		 4760 0,
4761 0,
208ba935 4762 MEMBER_TO_FPTR(Perl_magic_freeregexp),
71ddbee8
NC		 4763 0,
4764 0,
4765 0
208ba935
NC		 4766);
4767
4768MGVTBL_SET(
4769 PL_vtbl_regdata,
71ddbee8
NC		 4770 0,
4771 0,
208ba935 4772 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
71ddbee8
NC		 4773 0,
4774 0,
4775 0,
4776 0,
4777 0
208ba935
NC		 4778);
4779
4780MGVTBL_SET(
4781 PL_vtbl_regdatum,
4782 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
4783 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
71ddbee8
NC		 4784 0,
4785 0,
4786 0,
4787 0,
4788 0,
4789 0
208ba935
NC		 4790);
4791
4792MGVTBL_SET(
4793 PL_vtbl_amagic,
71ddbee8 4794 0,
208ba935 4795 MEMBER_TO_FPTR(Perl_magic_setamagic),
71ddbee8
NC		 4796 0,
4797 0,
208ba935 4798 MEMBER_TO_FPTR(Perl_magic_setamagic),
71ddbee8
NC		 4799 0,
4800 0,
4801 0
208ba935
NC		 4802);
4803
4804MGVTBL_SET(
4805 PL_vtbl_amagicelem,
71ddbee8 4806 0,
208ba935 4807 MEMBER_TO_FPTR(Perl_magic_setamagic),
71ddbee8
NC		 4808 0,
4809 0,
208ba935 4810 MEMBER_TO_FPTR(Perl_magic_setamagic),
71ddbee8
NC		 4811 0,
4812 0,
4813 0
208ba935
NC		 4814);
4815
4816MGVTBL_SET(
4817 PL_vtbl_backref,
71ddbee8
NC		 4818 0,
4819 0,
4820 0,
4821 0,
208ba935 4822 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
71ddbee8
NC		 4823 0,
4824 0,
4825 0
208ba935 4826);
a0d0e21e 4827
4d1ff10f 4828#ifdef USE_5005THREADS
22c35a8c 4829EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 4830#endif /* USE_5005THREADS */
f93b4edd 4831
208ba935
NC		 4832MGVTBL_SET(
4833 PL_vtbl_ovrld,
71ddbee8
NC		 4834 0,
4835 0,
4836 0,
4837 0,
208ba935 4838 MEMBER_TO_FPTR(Perl_magic_freeovrld),
71ddbee8
NC		 4839 0,
4840 0,
4841 0
208ba935
NC		 4842);
4843
4844MGVTBL_SET(
4845 PL_vtbl_utf8,
71ddbee8 4846 0,
208ba935 4847 MEMBER_TO_FPTR(Perl_magic_setutf8),
71ddbee8
NC		 4848 0,
4849 0,
4850 0,
4851 0,
4852 0,
4853 0
208ba935 4854);
36477c24 4855#ifdef USE_LOCALE_COLLATE
208ba935
NC		 4856MGVTBL_SET(
4857 PL_vtbl_collxfrm,
71ddbee8 4858 0,
208ba935 4859 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
71ddbee8
NC		 4860 0,
4861 0,
4862 0,
4863 0,
4864 0,
4865 0
208ba935 4866);
bbce6d69 4867#endif
a0d0e21e 4868
4ba2a8a0 4869#include "overload.h"
a0d0e21e 4870
73c4f7a1
GS		 4871END_EXTERN_C
4872
a6006777 4873struct am_table {
eb160463 4874 U32 was_ok_sub;
a0d0e21e 4875 long was_ok_am;
a6006777 4876 U32 flags;
4877 CV* table[NofAMmeth];
a0d0e21e
LW		 4878 long fallback;
4879};
a6006777 4880struct am_table_short {
eb160463 4881 U32 was_ok_sub;
a6006777 4882 long was_ok_am;
4883 U32 flags;
4884};
a0d0e21e 4885typedef struct am_table AMT;
a6006777 4886typedef struct am_table_short AMTS;
a0d0e21e
LW		 4887
4888#define AMGfallNEVER 1
4889#define AMGfallNO 2
4890#define AMGfallYES 3
4891
a6006777 4892#define AMTf_AMAGIC 1
32251b26 4893#define AMTf_OVERLOADED 2
a6006777 4894#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
4895#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
4896#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 4897#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
4898#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
4899#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 4900
32251b26 4901#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 4902
4903/*
4904 * some compilers like to redefine cos et alia as faster
4905 * (and less accurate?) versions called F_cos et cetera (Quidquid
4906 * latine dictum sit, altum viditur.) This trick collides with
4907 * the Perl overloading (amg). The following #defines fool both.
4908 */
4909
4910#ifdef _FASTMATH
4911# ifdef atan2
4912# define F_atan2_amg atan2_amg
4913# endif
4914# ifdef cos
4915# define F_cos_amg cos_amg
4916# endif
4917# ifdef exp
4918# define F_exp_amg exp_amg
4919# endif
4920# ifdef log
4921# define F_log_amg log_amg
4922# endif
4923# ifdef pow
4924# define F_pow_amg pow_amg
4925# endif
4926# ifdef sin
4927# define F_sin_amg sin_amg
4928# endif
4929# ifdef sqrt
4930# define F_sqrt_amg sqrt_amg
4931# endif
4932#endif /* _FASTMATH */
4933
83ee9e09
GS		 4934#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
4935 PERLDBf_NOOPT | PERLDBf_INTER | \
4936 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
4937 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
4938 /* No _NONAME, _GOTO */
4939#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
4940#define PERLDBf_LINE 0x02 /* Keep line # */
4941#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
4942#define PERLDBf_INTER 0x08 /* Preserve more data for
4943 later inspections */
4944#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
4945#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
4946#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
4947#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
4948#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
4949#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 4950
3280af22
NIS		 4951#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
4952#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
4953#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
4954#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
4955#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
4956#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
4957#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
4958#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 4959#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
4960#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 4961
bbce6d69 4962
36477c24 4963#ifdef USE_LOCALE_NUMERIC
bbce6d69 4964
36477c24 4965#define SET_NUMERIC_STANDARD() \
ff4fed7c 4966 set_numeric_standard();
36477c24 4967
4968#define SET_NUMERIC_LOCAL() \
ff4fed7c 4969 set_numeric_local();
bbce6d69 4970
2cb86c03 4971#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 4972#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
4973
4974#define IN_LOCALE \
ef7b71f0 4975 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 4976
f93f4e46 4977#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 4978 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 4979 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 4980
4981#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 4982 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 4983 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 4984
4985#define RESTORE_NUMERIC_LOCAL() \
4986 if (was_local) SET_NUMERIC_LOCAL();
4987
4988#define RESTORE_NUMERIC_STANDARD() \
4989 if (was_standard) SET_NUMERIC_STANDARD();
4990
5b877257 4991#define Atof my_atof
097ee67d 4992
36477c24 4993#else /* !USE_LOCALE_NUMERIC */
bbce6d69 4994
097ee67d
JH		 4995#define SET_NUMERIC_STANDARD() /**/
4996#define SET_NUMERIC_LOCAL() /**/
5e931b6b 4997#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 4998#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
4999#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5000#define RESTORE_NUMERIC_LOCAL() /**/
5001#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5002#define Atof my_atof
ad3e0f90 5003#define IN_LOCALE_RUNTIME 0
bbce6d69 5004
36477c24 5005#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5006
079290de 5007#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5008# ifdef __hpux
5009# define strtoll __strtoll /* secret handshake */
5010# endif
c623ac67
GS		 5011# ifdef WIN64
5012# define strtoll _strtoi64 /* secret handshake */
5013# endif
079290de
GS		 5014# if !defined(Strtol) && defined(HAS_STRTOLL)
5015# define Strtol strtoll
ad551343 5016# endif
28e5dec8
JH		 5017# if !defined(Strtol) && defined(HAS_STRTOQ)
5018# define Strtol strtoq
5019# endif
ff935051 5020/* is there atoq() anywhere? */
15b99d39 5021#endif
079290de
GS		 5022#if !defined(Strtol) && defined(HAS_STRTOL)
5023# define Strtol strtol
5024#endif
5025#ifndef Atol
5026/* It would be more fashionable to use Strtol() to define atol()
5027 * (as is done for Atoul(), see below) but for backward compatibility
5028 * we just assume atol(). */
76b882ba 5029# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5030# ifdef WIN64
5031# define atoll _atoi64 /* secret handshake */
5032# endif
76b882ba
JH		 5033# define Atol atoll
5034# else
5035# define Atol atol
5036# endif
cf2093f6
JH		 5037#endif
5038
55eb892c 5039#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5040# ifdef __hpux
5041# define strtoull __strtoull /* secret handshake */
5042# endif
c623ac67
GS		 5043# ifdef WIN64
5044# define strtoull _strtoui64 /* secret handshake */
5045# endif
ad551343 5046# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5047# define Strtoul strtoull
15b99d39 5048# endif
079290de
GS		 5049# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5050# define Strtoul strtouq
5051# endif
76d49b1c 5052/* is there atouq() anywhere? */
ad551343 5053#endif
079290de
GS		 5054#if !defined(Strtoul) && defined(HAS_STRTOUL)
5055# define Strtoul strtoul
cf2093f6 5056#endif
667e2a0c
JH		 5057#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5058# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5059#endif
079290de 5060#ifndef Atoul
eb527b6b 5061# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5062#endif
cf2093f6 5063
760ac839 5064
06d86050
GS		 5065/* if these never got defined, they need defaults */
5066#ifndef PERL_SET_CONTEXT
5067# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5068#endif
5069
5070#ifndef PERL_GET_CONTEXT
5071# define PERL_GET_CONTEXT PERL_GET_INTERP
5072#endif
5073
5074#ifndef PERL_GET_THX
5075# define PERL_GET_THX ((void*)NULL)
5076#endif
5077
5078#ifndef PERL_SET_THX
5079# define PERL_SET_THX(t) NOOP
5080#endif
5081
a868473f
NIS		 5082#ifndef PERL_SCRIPT_MODE
5083#define PERL_SCRIPT_MODE "r"
5084#endif
5085
fba3b22e 5086/*
da927450
JH		 5087 * Some operating systems are stingy with stack allocation,
5088 * so perl may have to guard against stack overflow.
5089 */
5090#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5091#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5092#endif
5093
5094/*
5095 * Some nonpreemptive operating systems find it convenient to
5096 * check for asynchronous conditions after each op execution.
5097 * Keep this check simple, or it may slow down execution
5098 * massively.
5099 */
ce08f86c 5100
1d615522 5101#ifndef PERL_MICRO
5835a535
JH		 5102# ifndef PERL_ASYNC_CHECK
5103# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
5104# endif
ce08f86c
NIS		 5105#endif
5106
da927450 5107#ifndef PERL_ASYNC_CHECK
1d615522 5108# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5109#endif
5110
5111/*
5112 * On some operating systems, a memory allocation may succeed,
5113 * but put the process too close to the system's comfort limit.
5114 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5115 * it to NULL.
5116 */
5117#ifndef PERL_ALLOC_CHECK
c2af87cb 5118#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5119#endif
5120
bd89102f
AD		 5121#ifdef HAS_SEM
5122# include <sys/ipc.h>
5123# include <sys/sem.h>
5124# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5125 union semun {
dbba660d
TC		 5126 int val;
5127 struct semid_ds *buf;
5128 unsigned short *array;
bd89102f
AD		 5129 };
5130# endif
5131# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5132# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5133 union gccbug_semun {
5134 int val;
5135 struct semid_ds *buf;
5136 unsigned short *array;
5137 char __dummy[5];
5138 };
5139# define semun gccbug_semun
5140# endif
bd89102f
AD		 5141# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5142# else
5143# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5144# ifdef EXTRA_F_IN_SEMUN_BUF
5145# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5146# else
5147# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5148# endif
bd89102f
AD		 5149# endif
5150# endif
bd89102f 5151#endif
49f531da 5152
89ca4ac7
JH		 5153/*
5154 * Boilerplate macros for initializing and accessing interpreter-local
5155 * data from C. All statics in extensions should be reworked to use
5156 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 5157 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 5158 *
5159 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5160 * 1. #define MY_CXT_KEY to a unique string, e.g.
5161 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 5162 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5163 * all the data that needs to be interpreter-local.
5164 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5165 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5166 * (typically put in the BOOT: section).
5167 * 5. Use the members of the my_cxt_t structure everywhere as
5168 * MY_CXT.member.
5169 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5170 * access MY_CXT.
5171 */
5172
fc958cd2 5173#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 5174
5175/* This must appear in all extensions that define a my_cxt_t structure,
5176 * right after the definition (i.e. at file scope). The non-threads
5177 * case below uses it to declare the data as static. */
5178#define START_MY_CXT
5179
5180/* Fetches the SV that keeps the per-interpreter data. */
5181#define dMY_CXT_SV \
5182 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
5183 sizeof(MY_CXT_KEY)-1, TRUE)
5184
5185/* This declaration should be used within all functions that use the
5186 * interpreter-local data. */
5187#define dMY_CXT \
5188 dMY_CXT_SV; \
ec0e15e0 5189 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 5190
5191/* Creates and zeroes the per-interpreter data.
5192 * (We allocate my_cxtp in a Perl SV so that it will be released when
5193 * the interpreter goes away.) */
5194#define MY_CXT_INIT \
5195 dMY_CXT_SV; \
5196 /* newSV() allocates one more than needed */ \
5197 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5198 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 5199 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7 5200
240fcc4a
JC		 5201/* Clones the per-interpreter data. */
5202#define MY_CXT_CLONE \
5203 dMY_CXT_SV; \
5204 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5205 Copy(INT2PTR(my_cxt_t*, SvUV(my_cxt_sv)), my_cxtp, 1, my_cxt_t);\
5206 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
5207
89ca4ac7
JH		 5208/* This macro must be used to access members of the my_cxt_t structure.
5209 * e.g. MYCXT.some_data */
5210#define MY_CXT (*my_cxtp)
5211
5212/* Judicious use of these macros can reduce the number of times dMY_CXT
5213 * is used. Use is similar to pTHX, aTHX etc. */
5214#define pMY_CXT my_cxt_t *my_cxtp
5215#define pMY_CXT_ pMY_CXT,
5216#define _pMY_CXT ,pMY_CXT
5217#define aMY_CXT my_cxtp
5218#define aMY_CXT_ aMY_CXT,
5219#define _aMY_CXT ,aMY_CXT
5220
5221#else /* USE_ITHREADS */
5222
5223#define START_MY_CXT static my_cxt_t my_cxt;
5224#define dMY_CXT_SV dNOOP
5225#define dMY_CXT dNOOP
5226#define MY_CXT_INIT NOOP
240fcc4a 5227#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 5228#define MY_CXT my_cxt
5229
5230#define pMY_CXT void
5231#define pMY_CXT_
5232#define _pMY_CXT
5233#define aMY_CXT
5234#define aMY_CXT_
5235#define _aMY_CXT
5236
5237#endif /* !defined(USE_ITHREADS) */
5238
9a34ef1d
GS		 5239#ifdef I_FCNTL
5240# include <fcntl.h>
9a34ef1d
GS		 5241#endif
5242
f0798ba3
OS		 5243#ifdef __Lynx__
5244# include <fcntl.h>
5245#endif
5246
9a34ef1d
GS		 5247#ifdef I_SYS_FILE
5248# include <sys/file.h>
5249#endif
5250
fa0a29af 5251#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5252int flock(int fd, int op);
5253#endif
5254
fe52b3b7
GS		 5255#ifndef O_RDONLY
5256/* Assume UNIX defaults */
5257# define O_RDONLY 0000
5258# define O_WRONLY 0001
5259# define O_RDWR 0002
5260# define O_CREAT 0100
5261#endif
9a34ef1d 5262
16fe6d59
GS		 5263#ifndef O_BINARY
5264# define O_BINARY 0
5265#endif
5266
5267#ifndef O_TEXT
5268# define O_TEXT 0
5269#endif
5270
6ce75a77
JH		 5271#if O_TEXT != O_BINARY
5272 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5273 * that is, you are somehow DOSish. */
6d061c82 5274# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 5275 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5276 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5277 /* VOS has O_TEXT != O_BINARY, and they have effect,
5278 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5279 /* If you have O_TEXT different from your O_BINARY but you still are
5280 * not a CRLF shop. */
35990314 5281# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5282# else
5283 /* If you really are DOSish. */
5284# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5285# endif
5286#endif
5287
104d25b7
JH		 5288#ifdef IAMSUID
5289
5290#ifdef I_SYS_STATVFS
9f982a77
IG		 5291# if defined(PERL_SCO) && !defined(_SVID3)
5292# define _SVID3
5293# endif
32b3cf08
JH		 5294# include <sys/statvfs.h> /* for f?statvfs() */
5295#endif
5296#ifdef I_SYS_MOUNT
5297# include <sys/mount.h> /* for *BSD f?statfs() */
5298#endif
5299#ifdef I_MNTENT
5300# include <mntent.h> /* for getmntent() */
104d25b7 5301#endif
0545a864
JH		 5302#ifdef I_SYS_STATFS
5303# include <sys/statfs.h> /* for some statfs() */
5304#endif
5305#ifdef I_SYS_VFS
8d9e1a19
GS		 5306# ifdef __sgi
5307# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
5308# endif
5309# include <sys/vfs.h> /* for some statfs() */
5310# ifdef __sgi
5311# undef IRIX_sv
5312# endif
0545a864
JH		 5313#endif
5314#ifdef I_USTAT
5315# include <ustat.h> /* for ustat() */
5316#endif
5317
5318#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
5319# define PERL_MOUNT_NOSUID MOUNT_NOSUID
5320#endif
5321#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
5322# define PERL_MOUNT_NOSUID MNT_NOSUID
5323#endif
5324#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
5325# define PERL_MOUNT_NOSUID MS_NOSUID
5326#endif
5327#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
5328# define PERL_MOUNT_NOSUID M_NOSUID
5329#endif
104d25b7 5330
23c73cf5
PS		 5331#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
5332# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
5333#endif
5334#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
5335# define PERL_MOUNT_NOEXEC MNT_NOEXEC
5336#endif
5337#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
5338# define PERL_MOUNT_NOEXEC MS_NOEXEC
5339#endif
5340#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
5341# define PERL_MOUNT_NOEXEC M_NOEXEC
5342#endif
5343
104d25b7
JH		 5344#endif /* IAMSUID */
5345
4bc88a62
PS		 5346#ifdef I_LIBUTIL
5347# include <libutil.h> /* setproctitle() in some FreeBSDs */
5348#endif
5349
b4748376
NIS		 5350#ifndef EXEC_ARGV_CAST
5351#define EXEC_ARGV_CAST(x) x
5352#endif
5353
dd5dc04f
JH		 5354#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5355 int). value returned in pointed-
5356 to UV */
5357#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5358#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5359#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5360#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5361#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5362
5363#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5364
53305cf1
NC		 5365/* Input flags: */
5366#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5367#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
a77f7f8b 5368#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5369/* Output flags: */
5370#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5371
2c4f7f0e
DM		 5372/* to let user control profiling */
5373#ifdef PERL_GPROF_CONTROL
5374extern void moncontrol(int);
5375#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5376#else
5377#define PERL_GPROF_MONCONTROL(x)
5378#endif
5379
ae0e3d3b
JH		 5380#ifdef UNDER_CE
5381#include "wince.h"
5382#endif
5383
5384/* ISO 6429 NEL - C1 control NExt Line */
5385/* See http://www.unicode.org/unicode/reports/tr13/ */
5386#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5387# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5388# define NEXT_LINE_CHAR 0x15
5389# else /* CDRA */
5390# define NEXT_LINE_CHAR 0x25
5391# endif
5392#else
5393# define NEXT_LINE_CHAR 0x85
5394#endif
5395
5396/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5397#define UNICODE_LINE_SEPA_0 0xE2
5398#define UNICODE_LINE_SEPA_1 0x80
5399#define UNICODE_LINE_SEPA_2 0xA8
5400#define UNICODE_PARA_SEPA_0 0xE2
5401#define UNICODE_PARA_SEPA_1 0x80
5402#define UNICODE_PARA_SEPA_2 0xA9
5403
43af864e
JH		 5404#ifndef PIPESOCK_MODE
5405# define PIPESOCK_MODE
5406#endif
5407
5a560d3a
IZ		 5408#ifndef SOCKET_OPEN_MODE
5409# define SOCKET_OPEN_MODE PIPESOCK_MODE
5410#endif
5411
5412#ifndef PIPE_OPEN_MODE
5413# define PIPE_OPEN_MODE PIPESOCK_MODE
5414#endif
5415
323eb6b5
JH		 5416#define PERL_MAGIC_UTF8_CACHESIZE 2
5417
f8bb70a6
JH		 5418#define PERL_UNICODE_STDIN_FLAG 0x0001
5419#define PERL_UNICODE_STDOUT_FLAG 0x0002
5420#define PERL_UNICODE_STDERR_FLAG 0x0004
f8bb70a6
JH		 5421#define PERL_UNICODE_IN_FLAG 0x0008
5422#define PERL_UNICODE_OUT_FLAG 0x0010
d2aaa77e 5423#define PERL_UNICODE_ARGV_FLAG 0x0020
f8bb70a6
JH		 5424#define PERL_UNICODE_LOCALE_FLAG 0x0040
5425#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
2f583b3c 5426#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
f8bb70a6 5427
d2aaa77e
JH		 5428#define PERL_UNICODE_STD_FLAG \
5429 (PERL_UNICODE_STDIN_FLAG | \
5430 PERL_UNICODE_STDOUT_FLAG | \
5431 PERL_UNICODE_STDERR_FLAG)
5432
5433#define PERL_UNICODE_INOUT_FLAG \
5434 (PERL_UNICODE_IN_FLAG | \
5435 PERL_UNICODE_OUT_FLAG)
5436
5437#define PERL_UNICODE_DEFAULT_FLAGS \
f8bb70a6
JH		 5438 (PERL_UNICODE_STD_FLAG | \
5439 PERL_UNICODE_INOUT_FLAG | \
5440 PERL_UNICODE_LOCALE_FLAG)
5441
2f583b3c 5442#define PERL_UNICODE_ALL_FLAGS 0x01ff
f8bb70a6
JH		 5443
5444#define PERL_UNICODE_STDIN 'I'
5445#define PERL_UNICODE_STDOUT 'O'
5446#define PERL_UNICODE_STDERR 'E'
5447#define PERL_UNICODE_STD 'S'
5448#define PERL_UNICODE_IN 'i'
5449#define PERL_UNICODE_OUT 'o'
5450#define PERL_UNICODE_INOUT 'D'
5451#define PERL_UNICODE_ARGV 'A'
5452#define PERL_UNICODE_LOCALE 'L'
5453#define PERL_UNICODE_WIDESYSCALLS 'W'
2f583b3c 5454#define PERL_UNICODE_UTF8CACHEASSERT 'a'
f8bb70a6 5455
5835a535
JH		 5456#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5457
5458/* From sigaction(2) (FreeBSD man page):
5459 * | Signal routines normally execute with the signal that
5460 * | caused their invocation blocked, but other signals may
5461 * | yet occur.
5462 * Emulation of this behavior (from within Perl) is enabled
5463 * by defining PERL_BLOCK_SIGNALS.
5464 */
5465#define PERL_BLOCK_SIGNALS
5466
5467#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5468# define PERL_BLOCKSIG_ADD(set,sig) \
5469 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5470# define PERL_BLOCKSIG_BLOCK(set) \
5471 sigprocmask(SIG_BLOCK, &(set), NULL)
5472# define PERL_BLOCKSIG_UNBLOCK(set) \
5473 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5474#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5475
5476/* How about the old style of sigblock()? */
5477
5478#ifndef PERL_BLOCKSIG_ADD
5479# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5480#endif
5481#ifndef PERL_BLOCKSIG_BLOCK
5482# define PERL_BLOCKSIG_BLOCK(set) NOOP
5483#endif
f0499ddf 5484#ifndef PERL_BLOCKSIG_UNBLOCK
5835a535
JH		 5485# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5486#endif
5487
6b6e5432 5488/* Use instead of abs() since abs() forces its argument to be an int,
d34f9d2e 5489 * but also beware since this evaluates its argument twice, so no x++. */
6b6e5432
JH		 5490#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5491
cf011bf2
NC		 5492#if defined(__DECC) && defined(__osf__)
5493#pragma message disable (mainparm) /* Perl uses the envp in main(). */
5494#endif
5495
66067514
NC		 5496#define do_open(g, n, l, a, rm, rp, sf) \
5497 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
5498#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
5499# define do_exec(cmd) do_exec3(cmd,0,0)
66067514
NC		 5500#endif
5501#ifdef OS2
5502# define do_aexec Perl_do_aexec
5503#else
5504# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
5505#endif
5506
4d8076ea 5507/* and finally... */
cceca5ed 5508#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5509#include "patchlevel.h"
cceca5ed 5510#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5511
d2ae4405
JH		 5512/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5513 * are here so that they are available throughout the core
5514 * NOTE that even though some are for _escape and some for _pretty
5515 * there must not be any clashes as the flags from _pretty are
5516 * passed straight through to _escape.
5517 */
5518
5519#define PERL_PV_ESCAPE_QUOTE 0x0001
5520#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5521
5522
5523#define PERL_PV_PRETTY_ELIPSES 0x0002
5524#define PERL_PV_PRETTY_LTGT 0x0004
5525
5526#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5527
5528#define PERL_PV_ESCAPE_UNI 0x0100
5529#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
5530
5531#define PERL_PV_ESCAPE_ALL 0x1000
5532#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5533#define PERL_PV_ESCAPE_NOCLEAR 0x4000
5534
5535/* used by pv_display in dump.c*/
5536#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELIPSES|PERL_PV_PRETTY_QUOTE
5537#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELIPSES|PERL_PV_PRETTY_LTGT
5538
5539/*
5540
5541 (KEEP THIS LAST IN perl.h!)
5542
5543 Mention
d460ef45 5544
43999f95 5545 NV_PRESERVES_UV
fe749a9f 5546
fe749a9f
JH		 5547 HAS_MKSTEMP
5548 HAS_MKSTEMPS
5549 HAS_MKDTEMP
5550
49dabb45
JH		 5551 HAS_GETCWD
5552
d59b5429 5553 HAS_MMAP
fe749a9f
JH		 5554 HAS_MPROTECT
5555 HAS_MSYNC
1e8c3fde 5556 HAS_MADVISE
fe749a9f
JH		 5557 HAS_MUNMAP
5558 I_SYSMMAN
5559 Mmap_t
5560
6b4667fc
A		 5561 NVef
5562 NVff
5563 NVgf
5564
4e0554ec 5565 HAS_UALARM
2d736872 5566 HAS_USLEEP
4e0554ec
JH		 5567
5568 HAS_SETITIMER
5569 HAS_GETITIMER
5570
5571 HAS_SENDMSG
5572 HAS_RECVMSG
5573 HAS_READV
5574 HAS_WRITEV
5575 I_SYSUIO
5576 HAS_STRUCT_MSGHDR
5577 HAS_STRUCT_CMSGHDR
5578
2765b840 5579 HAS_NL_LANGINFO
0a7020c9 5580
ae0e3d3b 5581 HAS_DIRFD
2765b840 5582
d2ae4405 5583 so that Configure picks them up.
8ae1b726 5584
d2ae4405 5585 (KEEP THIS LAST IN perl.h!)
8ae1b726 5586
d2ae4405 5587*/
8ae1b726 5588
c8743bff
NC		 5589/* Source code compatibility cruft:
5590 PERL_XS_APIVERSION is not used, and has been superseded by inc_version_list
5591 It and PERL_PM_APIVERSION are retained for source compatibility in the
5592 5.8.x maintenance branch.
5593 */
5594
5595#define PERL_XS_APIVERSION "5.8.3"
5596#define PERL_PM_APIVERSION "5.005"
5597
85e6fe83 5598#endif /* Include guard */
ae0e3d3b 5599
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