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Re: [patch@25838]Hopefully the last VMS exit/error fixes needed.
[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
1d325971 4 * 2000, 2001, 2002, 2003, 2004, 2005 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
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
894ccb8c
JH		 47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
NIS		 54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
GS		 58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
GS		 62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
GS		 66#endif
67
27da23d5
JH		 68#ifdef PERL_GLOBAL_STRUCT_PRIVATE
69# ifndef PERL_GLOBAL_STRUCT
70# define PERL_GLOBAL_STRUCT
71# endif
72#endif
73#ifdef PERL_GLOBAL_STRUCT
74# ifndef MULTIPLICITY
75# define MULTIPLICITY
76# endif
77#endif
78
026fd48b
GH		 79/* undef WIN32 when building on Cygwin (for libwin32) - gph */
80#ifdef __CYGWIN__
81# undef WIN32
82# undef _WIN32
83#endif
84
27da23d5
JH		 85#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86# ifndef SYMBIAN
87# define SYMBIAN
88# endif
89#endif
90
a0fd4948 91#ifdef __SYMBIAN32__
27da23d5
JH		 92# include "symbian/symbian_proto.h"
93#endif
94
95/* Any stack-challenged places. The limit varies (and often
96 * is configurable), but using more than a kilobyte of stack
97 * is usually dubious in these systems. */
a0fd4948 98#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 99/* EPOC/Symbian: need to work around the SDK features. *
100 * On WINS: MS VC5 generates calls to _chkstk, *
101 * if a "large" stack frame is allocated. *
102 * gcc on MARM does not generate calls like these. */
103# define USE_HEAP_INSTEAD_OF_STACK
104#endif
105
106#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 107/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 108#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 109# define USE_REENTRANT_API
110#endif
111
ac6bedea
JH		 112/* <--- here ends the logic shared by perl.h and makedef.pl */
113
af28e889 114/*
6239f2da
JH		 115 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
116 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 117 * __bsdi__ for BSD/OS
118 */
6239f2da 119#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 120# ifndef BSDish
121# define BSDish
122# endif
123#endif
124
27da23d5
JH		 125#ifdef PERL_GLOBAL_STRUCT
126# ifndef PERL_GET_VARS
127# ifdef PERL_GLOBAL_STRUCT_PRIVATE
128 extern struct perl_vars* Perl_GetVarsPrivate();
129# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
130# ifndef PERLIO_FUNCS_CONST
131# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
132# endif
133# else
134# define PERL_GET_VARS() PL_VarsPtr
135# endif
136# endif
137#endif
138
139#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
140
141#ifdef PERL_GLOBAL_STRUCT
142# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
143#else
144# define dVAR dNOOP
145#endif
146
c5be433b 147#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 148# ifndef MULTIPLICITY
149# define MULTIPLICITY
c5be433b 150# endif
3db8f154
MB		 151# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
152# define aTHX my_perl
27da23d5
JH		 153# ifdef PERL_GLOBAL_STRUCT
154# define dTHXa(a) dVAR; pTHX = (PerlInterpreter*)a
155# else
156# define dTHXa(a) pTHX = (PerlInterpreter*)a
157# endif
158# ifdef PERL_GLOBAL_STRUCT
159# define dTHX dVAR; pTHX = PERL_GET_THX
160# else
161# define dTHX pTHX = PERL_GET_THX
162# endif
c5be433b 163# define pTHX_ pTHX,
c5be433b 164# define aTHX_ aTHX,
4373e329 165# define pTHX_1 2
894356b3
GS		 166# define pTHX_2 3
167# define pTHX_3 4
168# define pTHX_4 5
4373e329
AL		 169# define pTHX_5 6
170# define pTHX_6 7
a3b680e6
AL		 171# define pTHX_7 8
172# define pTHX_8 9
173# define pTHX_9 10
c5be433b
GS		 174#endif
175
76e3520e
GS		 176#define STATIC static
177#define CPERLscope(x) x
565764a8 178#define CPERLarg void
76e3520e 179#define CPERLarg_
e3b8966e 180#define _CPERLarg
1d583055
GS		 181#define PERL_OBJECT_THIS
182#define _PERL_OBJECT_THIS
183#define PERL_OBJECT_THIS_
312caa8e 184#define CALL_FPTR(fptr) (*fptr)
76e3520e 185
312caa8e
CS		 186#define CALLRUNOPS CALL_FPTR(PL_runops)
187#define CALLREGCOMP CALL_FPTR(PL_regcompp)
188#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 189#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
190#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
191#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 192
1215b447
JH		 193/* XXX The PERL_UNUSED_DECL suffix is unfortunately rather inflexible:
194 * it assumes that in all compilers the way to suppress an "unused"
195 * warning is to have a suffix. In some compilers that might be a
196 * a compiler pragma, e.g. #pragma unused(varname). */
197
9969cdde 198#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5
AMS		 199# ifdef __cplusplus
200# define PERL_UNUSED_DECL
201# else
202# define PERL_UNUSED_DECL __attribute__((unused))
203# endif
204#endif
44dbb695 205
5b2bd0a5 206#ifndef PERL_UNUSED_DECL
b79c357a
RGS		 207# ifdef HASATTRIBUTE_UNUSED
208# define PERL_UNUSED_DECL __attribute__unused__
209# else
210# define PERL_UNUSED_DECL
211# endif
5b2bd0a5
AMS		 212#endif
213
349b520e
DM		 214/* gcc -Wall:
215 * for silencing unused variables that are actually used most of the time,
a0288114 216 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 217 */
53c1dcc0 218#ifndef PERL_UNUSED_ARG
ad73156c
AL		 219# ifdef lint
220# include <note.h>
53c1dcc0 221# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 222# else
53c1dcc0 223# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 224# endif
225#endif
53c1dcc0
AL		 226#ifndef PERL_UNUSED_VAR
227# define PERL_UNUSED_VAR(x) ((void)x)
228#endif
ad73156c 229
0cb96387 230#define NOOP (void)0
44dbb695 231#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 232
0cb96387
GS		 233#ifndef pTHX
234# define pTHX void
235# define pTHX_
0cb96387
GS		 236# define aTHX
237# define aTHX_
0cb96387
GS		 238# define dTHXa(a) dNOOP
239# define dTHX dNOOP
894356b3
GS		 240# define pTHX_1 1
241# define pTHX_2 2
242# define pTHX_3 3
243# define pTHX_4 4
3d42dc86
RGS		 244# define pTHX_5 5
245# define pTHX_6 6
a3b680e6
AL		 246# define pTHX_7 7
247# define pTHX_8 8
248# define pTHX_9 9
0cb96387
GS		 249#endif
250
27da23d5
JH		 251#ifndef dVAR
252# define dVAR dNOOP
253#endif
254
b4f7f263
GS		 255/* these are only defined for compatibility; should not be used internally */
256#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 257# define pTHXo pTHX
258# define pTHXo_ pTHX_
0cb96387
GS		 259# define aTHXo aTHX
260# define aTHXo_ aTHX_
c5be433b 261# define dTHXo dTHX
71d280e3 262# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 263#endif
264
265#ifndef pTHXx
266# define pTHXx register PerlInterpreter *my_perl
267# define pTHXx_ pTHXx,
0cb96387
GS		 268# define aTHXx my_perl
269# define aTHXx_ aTHXx,
c5be433b 270# define dTHXx dTHX
22c35a8c 271#endif
71be2cbc 272
1de7c2ac
GS		 273/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
274 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
275 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
276#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 277# ifdef PERL_GLOBAL_STRUCT_PRIVATE
278# define dTHXs dVAR; dTHX
279# else
280# define dTHXs dTHX
281# endif
1de7c2ac 282#else
27da23d5
JH		 283# ifdef PERL_GLOBAL_STRUCT_PRIVATE
284# define dTHXs dVAR
285# else
286# define dTHXs dNOOP
287# endif
1de7c2ac
GS		 288#endif
289
326b05e3
GS		 290#undef START_EXTERN_C
291#undef END_EXTERN_C
292#undef EXTERN_C
32f822de
GS		 293#ifdef __cplusplus
294# define START_EXTERN_C extern "C" {
295# define END_EXTERN_C }
296# define EXTERN_C extern "C"
297#else
d460ef45
NIS		 298# define START_EXTERN_C
299# define END_EXTERN_C
73c4f7a1 300# define EXTERN_C extern
32f822de
GS		 301#endif
302
27da23d5
JH		 303/* Some platforms require marking function declarations
304 * for them to be exportable. Used in perlio.h, proto.h
305 * is handled either by the makedef.pl or by defining the
306 * PERL_CALLCONV to be something special. See also the
307 * definition of XS() in XSUB.h. */
308#ifndef PERL_EXPORT_C
309# define PERL_EXPORT_C extern
310#endif
311#ifndef PERL_XS_EXPORT_C
312# define PERL_XS_EXPORT_C
313#endif
314
462e5cf6
MB		 315#ifdef OP_IN_REGISTER
316# ifdef __GNUC__
317# define stringify_immed(s) #s
318# define stringify(s) stringify_immed(s)
d1ca3daa 319register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 320# endif
321#endif
322
5dc8bdac 323#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
22469a62
RGS		 324# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
325# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
326# endif
5dc8bdac
JH		 327#endif
328
728e2803 329/*
330 * STMT_START { statements; } STMT_END;
331 * can be used as a single statement, as in
332 * if (x) STMT_START { ... } STMT_END; else ...
333 *
334 * Trying to select a version that gives no warnings...
335 */
336#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 337# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
a0288114 338# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 339# define STMT_END )
340# else
341 /* Now which other defined()s do we need here ??? */
93189314 342# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 343# define STMT_START if (1)
344# define STMT_END else (void)0
345# else
346# define STMT_START do
347# define STMT_END while (0)
348# endif
349# endif
350#endif
351
0cb96387 352#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 353#define WITH_THR(s) WITH_THX(s)
ea0efc06 354
55497cff 355/*
356 * SOFT_CAST can be used for args to prototyped functions to retain some
357 * type checking; it only casts if the compiler does not know prototypes.
358 */
359#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
360#define SOFT_CAST(type)
361#else
362#define SOFT_CAST(type) (type)
363#endif
79072805 364
d6f9c181
JH		 365#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
366# define BYTEORDER 0x1234
79072805
LW		 367#endif
368
369/* Overall memory policy? */
370#ifndef CONSERVATIVE
371# define LIBERAL 1
372#endif
373
8ada0baa
JH		 374#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
375#define ASCIIish
376#else
377#undef ASCIIish
378#endif
379
79072805
LW		 380/*
381 * The following contortions are brought to you on behalf of all the
382 * standards, semi-standards, de facto standards, not-so-de-facto standards
383 * of the world, as well as all the other botches anyone ever thought of.
384 * The basic theory is that if we work hard enough here, the rest of the
385 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
386 */
ac58e20f 387
ee0007ab 388/* define this once if either system, instead of cluttering up the src */
2986a63f 389#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 390#define DOSISH 1
391#endif
392
fb38d079 393#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 394# define STANDARD_C 1
395#endif
396
9969cdde 397#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 398# define DONT_DECLARE_STD 1
399#endif
400
352d5a3a 401#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 402# ifdef __cplusplus
cb69f87a 403# define VOL /* to temporarily suppress warnings */
79072805
LW		 404# else
405# define VOL volatile
406# endif
663a0e37 407#else
79072805 408# define VOL
663a0e37
LW		 409#endif
410
3280af22
NIS		 411#define TAINT (PL_tainted = TRUE)
412#define TAINT_NOT (PL_tainted = FALSE)
413#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
414#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 415#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 416
d460ef45 417/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 418 defines move there? If so, I could simplify this a lot. --AD 9/96.
419*/
420/* Process group stuff changed from traditional BSD to POSIX.
421 perlfunc.pod documents the traditional BSD-style syntax, so we'll
422 try to preserve that, if possible.
423*/
424#ifdef HAS_SETPGID
425# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 426#else
a6e633de 427# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
428# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
429# else
430# ifdef HAS_SETPGRP2 /* DG/UX */
431# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
432# endif
433# endif
434#endif
435#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
436# define HAS_SETPGRP /* Well, effectively it does . . . */
437#endif
438
439/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
440 our life easier :-) so we'll try it.
441*/
442#ifdef HAS_GETPGID
443# define BSD_GETPGRP(pid) getpgid((pid))
444#else
445# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
446# define BSD_GETPGRP(pid) getpgrp((pid))
447# else
448# ifdef HAS_GETPGRP2 /* DG/UX */
449# define BSD_GETPGRP(pid) getpgrp2((pid))
450# endif
451# endif
452#endif
453#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
454# define HAS_GETPGRP /* Well, effectively it does . . . */
455#endif
456
d460ef45 457/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 458 have different behaviors, but perl.h used to define USE_BSDPGRP
459 (prior to 5.003_05) so some extension might depend on it.
460*/
461#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
462# ifndef USE_BSDPGRP
463# define USE_BSDPGRP
464# endif
663a0e37
LW		 465#endif
466
8ac5a1fe
MH		 467/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
468 pthread.h must be included before all other header files.
469*/
3db8f154 470#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 471# include <pthread.h>
472#endif
473
760ac839
LW		 474#ifndef _TYPES_ /* If types.h defines this it's easy. */
475# ifndef major /* Does everyone's types.h define this? */
476# include <sys/types.h>
c07a80fd 477# endif
663a0e37
LW		 478#endif
479
760ac839
LW		 480#ifdef __cplusplus
481# ifndef I_STDARG
482# define I_STDARG 1
483# endif
484#endif
485
486#ifdef I_STDARG
487# include <stdarg.h>
488#else
489# ifdef I_VARARGS
490# include <varargs.h>
491# endif
492#endif
493
4633a7c4 494#ifdef USE_NEXT_CTYPE
0c30d9ec 495
092bebab
JH		 496#if NX_CURRENT_COMPILER_RELEASE >= 500
497# include <bsd/ctypes.h>
498#else
499# if NX_CURRENT_COMPILER_RELEASE >= 400
500# include <objc/NXCType.h>
501# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
502# include <appkit/NXCType.h>
503# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
504#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 505
506#else /* !USE_NEXT_CTYPE */
fe14fcc3 507#include <ctype.h>
0c30d9ec 508#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 509
510#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
511#undef METHOD
a0d0e21e
LW		 512#endif
513
12ae5dfc
JH		 514#ifdef PERL_MICRO
515# define NO_LOCALE
516#endif
517
4633a7c4 518#ifdef I_LOCALE
36477c24 519# include <locale.h>
4633a7c4
LW		 520#endif
521
36477c24 522#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
523# define USE_LOCALE
524# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
525 && defined(HAS_STRXFRM)
526# define USE_LOCALE_COLLATE
527# endif
528# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
529# define USE_LOCALE_CTYPE
530# endif
531# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
532# define USE_LOCALE_NUMERIC
533# endif
534#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 535
fe14fcc3 536#include <setjmp.h>
79072805 537
a0d0e21e 538#ifdef I_SYS_PARAM
79072805
LW		 539# ifdef PARAM_NEEDS_TYPES
540# include <sys/types.h>
541# endif
542# include <sys/param.h>
352d5a3a 543#endif
79072805 544
79072805 545/* Use all the "standard" definitions? */
a0d0e21e 546#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 547# include <stdlib.h>
ff68c719 548#endif
03a14243 549
3f270f98
JH		 550/* If this causes problems, set i_unistd=undef in the hint file. */
551#ifdef I_UNISTD
552# include <unistd.h>
553#endif
554
9969cdde 555#ifdef __SYMBIAN32__
27da23d5
JH		 556# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
557#endif
558
7114a2d2 559#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 560int syscall(int, ...);
561#endif
562
7114a2d2 563#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 564int usleep(unsigned int);
2ef53570
JH		 565#endif
566
9a34ef1d
GS		 567#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
568# define MYSWAP
569#endif
570
1109a392
MHM		 571#ifdef PERL_CORE
572
573/* macros for correct constant construction */
574# if INTSIZE >= 2
575# define U16_CONST(x) ((U16)x##U)
576# else
577# define U16_CONST(x) ((U16)x##UL)
578# endif
579
580# if INTSIZE >= 4
581# define U32_CONST(x) ((U32)x##U)
582# else
583# define U32_CONST(x) ((U32)x##UL)
584# endif
585
586# ifdef HAS_QUAD
587# if INTSIZE >= 8
588# define U64_CONST(x) ((U64)x##U)
589# elif LONGSIZE >= 8
590# define U64_CONST(x) ((U64)x##UL)
591# elif QUADKIND == QUAD_IS_LONG_LONG
592# define U64_CONST(x) ((U64)x##ULL)
593# else /* best guess we can make */
594# define U64_CONST(x) ((U64)x##UL)
595# endif
596# endif
597
598/* byte-swapping functions for big-/little-endian conversion */
599# define _swab_16_(x) ((U16)( \
600 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
601 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
602
603# define _swab_32_(x) ((U32)( \
604 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
605 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
606 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
607 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
608
609# ifdef HAS_QUAD
610# define _swab_64_(x) ((U64)( \
611 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
612 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
613 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
614 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
615 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
616 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
617 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
618 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
619# endif
620
621/*----------------------------------------------------------------------------*/
622# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
623/*----------------------------------------------------------------------------*/
624# define my_htole16(x) (x)
625# define my_letoh16(x) (x)
626# define my_htole32(x) (x)
627# define my_letoh32(x) (x)
628# define my_htobe16(x) _swab_16_(x)
629# define my_betoh16(x) _swab_16_(x)
630# define my_htobe32(x) _swab_32_(x)
631# define my_betoh32(x) _swab_32_(x)
632# ifdef HAS_QUAD
633# define my_htole64(x) (x)
634# define my_letoh64(x) (x)
635# define my_htobe64(x) _swab_64_(x)
636# define my_betoh64(x) _swab_64_(x)
637# endif
638# define my_htoles(x) (x)
639# define my_letohs(x) (x)
640# define my_htolei(x) (x)
641# define my_letohi(x) (x)
642# define my_htolel(x) (x)
643# define my_letohl(x) (x)
644# if SHORTSIZE == 1
645# define my_htobes(x) (x)
646# define my_betohs(x) (x)
647# elif SHORTSIZE == 2
648# define my_htobes(x) _swab_16_(x)
649# define my_betohs(x) _swab_16_(x)
650# elif SHORTSIZE == 4
651# define my_htobes(x) _swab_32_(x)
652# define my_betohs(x) _swab_32_(x)
653# elif SHORTSIZE == 8
654# define my_htobes(x) _swab_64_(x)
655# define my_betohs(x) _swab_64_(x)
656# else
657# define PERL_NEED_MY_HTOBES
658# define PERL_NEED_MY_BETOHS
659# endif
660# if INTSIZE == 1
661# define my_htobei(x) (x)
662# define my_betohi(x) (x)
663# elif INTSIZE == 2
664# define my_htobei(x) _swab_16_(x)
665# define my_betohi(x) _swab_16_(x)
666# elif INTSIZE == 4
667# define my_htobei(x) _swab_32_(x)
668# define my_betohi(x) _swab_32_(x)
669# elif INTSIZE == 8
670# define my_htobei(x) _swab_64_(x)
671# define my_betohi(x) _swab_64_(x)
672# else
673# define PERL_NEED_MY_HTOBEI
674# define PERL_NEED_MY_BETOHI
675# endif
676# if LONGSIZE == 1
677# define my_htobel(x) (x)
678# define my_betohl(x) (x)
679# elif LONGSIZE == 2
680# define my_htobel(x) _swab_16_(x)
681# define my_betohl(x) _swab_16_(x)
682# elif LONGSIZE == 4
683# define my_htobel(x) _swab_32_(x)
684# define my_betohl(x) _swab_32_(x)
685# elif LONGSIZE == 8
686# define my_htobel(x) _swab_64_(x)
687# define my_betohl(x) _swab_64_(x)
688# else
689# define PERL_NEED_MY_HTOBEL
690# define PERL_NEED_MY_BETOHL
691# endif
692# define my_htolen(p,n) NOOP
693# define my_letohn(p,n) NOOP
694# define my_htoben(p,n) my_swabn(p,n)
695# define my_betohn(p,n) my_swabn(p,n)
696/*----------------------------------------------------------------------------*/
697# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
698/*----------------------------------------------------------------------------*/
699# define my_htobe16(x) (x)
700# define my_betoh16(x) (x)
701# define my_htobe32(x) (x)
702# define my_betoh32(x) (x)
703# define my_htole16(x) _swab_16_(x)
704# define my_letoh16(x) _swab_16_(x)
705# define my_htole32(x) _swab_32_(x)
706# define my_letoh32(x) _swab_32_(x)
707# ifdef HAS_QUAD
708# define my_htobe64(x) (x)
709# define my_betoh64(x) (x)
710# define my_htole64(x) _swab_64_(x)
711# define my_letoh64(x) _swab_64_(x)
712# endif
713# define my_htobes(x) (x)
714# define my_betohs(x) (x)
715# define my_htobei(x) (x)
716# define my_betohi(x) (x)
717# define my_htobel(x) (x)
718# define my_betohl(x) (x)
719# if SHORTSIZE == 1
720# define my_htoles(x) (x)
721# define my_letohs(x) (x)
722# elif SHORTSIZE == 2
723# define my_htoles(x) _swab_16_(x)
724# define my_letohs(x) _swab_16_(x)
725# elif SHORTSIZE == 4
726# define my_htoles(x) _swab_32_(x)
727# define my_letohs(x) _swab_32_(x)
728# elif SHORTSIZE == 8
729# define my_htoles(x) _swab_64_(x)
730# define my_letohs(x) _swab_64_(x)
731# else
732# define PERL_NEED_MY_HTOLES
733# define PERL_NEED_MY_LETOHS
734# endif
735# if INTSIZE == 1
736# define my_htolei(x) (x)
737# define my_letohi(x) (x)
738# elif INTSIZE == 2
739# define my_htolei(x) _swab_16_(x)
740# define my_letohi(x) _swab_16_(x)
741# elif INTSIZE == 4
742# define my_htolei(x) _swab_32_(x)
743# define my_letohi(x) _swab_32_(x)
744# elif INTSIZE == 8
745# define my_htolei(x) _swab_64_(x)
746# define my_letohi(x) _swab_64_(x)
747# else
748# define PERL_NEED_MY_HTOLEI
749# define PERL_NEED_MY_LETOHI
750# endif
751# if LONGSIZE == 1
752# define my_htolel(x) (x)
753# define my_letohl(x) (x)
754# elif LONGSIZE == 2
755# define my_htolel(x) _swab_16_(x)
756# define my_letohl(x) _swab_16_(x)
757# elif LONGSIZE == 4
758# define my_htolel(x) _swab_32_(x)
759# define my_letohl(x) _swab_32_(x)
760# elif LONGSIZE == 8
761# define my_htolel(x) _swab_64_(x)
762# define my_letohl(x) _swab_64_(x)
763# else
764# define PERL_NEED_MY_HTOLEL
765# define PERL_NEED_MY_LETOHL
766# endif
767# define my_htolen(p,n) my_swabn(p,n)
768# define my_letohn(p,n) my_swabn(p,n)
769# define my_htoben(p,n) NOOP
770# define my_betohn(p,n) NOOP
771/*----------------------------------------------------------------------------*/
772# else /* all other byte-orders */
773/*----------------------------------------------------------------------------*/
774# define PERL_NEED_MY_HTOLE16
775# define PERL_NEED_MY_LETOH16
776# define PERL_NEED_MY_HTOBE16
777# define PERL_NEED_MY_BETOH16
778# define PERL_NEED_MY_HTOLE32
779# define PERL_NEED_MY_LETOH32
780# define PERL_NEED_MY_HTOBE32
781# define PERL_NEED_MY_BETOH32
782# ifdef HAS_QUAD
783# define PERL_NEED_MY_HTOLE64
784# define PERL_NEED_MY_LETOH64
785# define PERL_NEED_MY_HTOBE64
786# define PERL_NEED_MY_BETOH64
787# endif
788# define PERL_NEED_MY_HTOLES
789# define PERL_NEED_MY_LETOHS
790# define PERL_NEED_MY_HTOBES
791# define PERL_NEED_MY_BETOHS
792# define PERL_NEED_MY_HTOLEI
793# define PERL_NEED_MY_LETOHI
794# define PERL_NEED_MY_HTOBEI
795# define PERL_NEED_MY_BETOHI
796# define PERL_NEED_MY_HTOLEL
797# define PERL_NEED_MY_LETOHL
798# define PERL_NEED_MY_HTOBEL
799# define PERL_NEED_MY_BETOHL
800/*----------------------------------------------------------------------------*/
801# endif /* end of byte-order macros */
802/*----------------------------------------------------------------------------*/
803
9c17f24a
NC		 804/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
805 at least on FreeBSD. YMMV, so experiment. */
806#ifndef PERL_ARENA_SIZE
807#define PERL_ARENA_SIZE 4080
808#endif
809
1109a392
MHM		 810#endif /* PERL_CORE */
811
bdf3085f
NC		 812/* We no longer default to creating a new SV for GvSV.
813 Do this before embed. */
814#ifndef PERL_CREATE_GVSV
815#define PERL_DONT_CREATE_GVSV
816#endif
817
ca0c25f6
NC		 818#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
819#define PERL_USES_PL_PIDSTATUS
820#endif
821
66a93824
NIS		 822/* Cannot include embed.h here on Win32 as win32.h has not
823 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
824 */
96e176bf 825#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 826# include "embed.h"
827#endif
828
c31fac66
GS		 829#define MEM_SIZE Size_t
830
1936d2a7
NC		 831/* Round all values passed to malloc up, by default to a multiple of
832 sizeof(size_t)
833*/
834#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
835#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
836#endif
837
51371543
GS		 838#if defined(STANDARD_C) && defined(I_STDDEF)
839# include <stddef.h>
840# define STRUCT_OFFSET(s,m) offsetof(s,m)
841#else
842# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
843#endif
844
9969cdde 845#ifndef __SYMBIAN32__
27da23d5
JH		 846# if defined(I_STRING) || defined(__cplusplus)
847# include <string.h>
848# else
849# include <strings.h>
850# endif
51371543
GS		 851#endif
852
55497cff 853/* This comes after <stdlib.h> so we don't try to change the standard
854 * library prototypes; we'll use our own in proto.h instead. */
03a14243 855
4633a7c4 856#ifdef MYMALLOC
86058a2d 857# ifdef PERL_POLLUTE_MALLOC
ee13e175 858# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 859# define Perl_malloc malloc
860# define Perl_calloc calloc
861# define Perl_realloc realloc
862# define Perl_mfree free
ee13e175 863# endif
86058a2d
GS		 864# else
865# define EMBEDMYMALLOC /* for compatibility */
866# endif
827e134a 867
651b9576
GS		 868# define safemalloc Perl_malloc
869# define safecalloc Perl_calloc
870# define saferealloc Perl_realloc
871# define safefree Perl_mfree
22f7c9c9
JH		 872# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
873 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
874 code; \
875 } STMT_END
876# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
877 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
878# define panic_write2(s) write(2, s, strlen(s))
879# define CHECK_MALLOC_TAINT(newval) \
880 CHECK_MALLOC_TOO_LATE_FOR_( \
881 if (newval) { \
882 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
883 exit(1); })
22f7c9c9 884# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 885 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 886 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
887 }} STMT_END;
f2517201
GS		 888#else /* MYMALLOC */
889# define safemalloc safesysmalloc
890# define safecalloc safesyscalloc
891# define saferealloc safesysrealloc
892# define safefree safesysfree
22f7c9c9
JH		 893# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
894# define CHECK_MALLOC_TAINT(newval) ((void)0)
895# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 896#endif /* MYMALLOC */
4633a7c4 897
27da23d5 898#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)
22f7c9c9
JH		 899#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
900#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
901#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
902
a0d0e21e
LW		 903#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
904#define strchr index
905#define strrchr rindex
906#endif
907
16d20bd9
AD		 908#ifdef I_MEMORY
909# include <memory.h>
910#endif
911
fe14fcc3 912#ifdef HAS_MEMCPY
85e6fe83 913# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 914# ifndef memcpy
20ce7b12 915 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 916# endif
917# endif
918#else
919# ifndef memcpy
920# ifdef HAS_BCOPY
921# define memcpy(d,s,l) bcopy(s,d,l)
922# else
923# define memcpy(d,s,l) my_bcopy(s,d,l)
924# endif
925# endif
926#endif /* HAS_MEMCPY */
fe14fcc3 927
ee0007ab 928#ifdef HAS_MEMSET
85e6fe83 929# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 930# ifndef memset
20ce7b12 931 extern char *memset (char*, int, int);
ee0007ab
LW		 932# endif
933# endif
ee0007ab 934#else
12ae5dfc 935# undef memset
fc36a67e 936# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 937#endif /* HAS_MEMSET */
938
85e6fe83 939#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 940# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 941# define memmove(d,s,l) bcopy(s,d,l)
942# else
2304df62 943# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 944# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 945# else
79072805 946# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 947# endif
352d5a3a 948# endif
d9d8d8de 949#endif
ee0007ab 950
36477c24 951#if defined(mips) && defined(ultrix) && !defined(__STDC__)
952# undef HAS_MEMCMP
953#endif
954
955#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 956# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 957# ifndef memcmp
20ce7b12 958 extern int memcmp (char*, char*, int);
ee0007ab
LW		 959# endif
960# endif
36477c24 961# ifdef BUGGY_MSC
7e4e8c89 962# pragma function(memcmp)
36477c24 963# endif
ee0007ab
LW		 964#else
965# ifndef memcmp
ecfc5424 966# define memcmp my_memcmp
352d5a3a 967# endif
36477c24 968#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 969
fc36a67e 970#ifndef memzero
c635e13b 971# ifdef HAS_MEMSET
972# define memzero(d,l) memset(d,0,l)
79072805 973# else
c635e13b 974# ifdef HAS_BZERO
975# define memzero(d,l) bzero(d,l)
79072805 976# else
fc36a67e 977# define memzero(d,l) my_bzero(d,l)
79072805
LW		 978# endif
979# endif
d9d8d8de 980#endif
378cc40b 981
2f42fcb0 982#ifndef PERL_MICRO
0f27ced1
JH		 983#ifndef memchr
984# ifndef HAS_MEMCHR
985# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
986# endif
987#endif
2f42fcb0 988#endif
0f27ced1 989
36477c24 990#ifndef HAS_BCMP
991# ifndef bcmp
992# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 993# endif
36477c24 994#endif /* !HAS_BCMP */
378cc40b 995
ae986130 996#ifdef I_NETINET_IN
79072805 997# include <netinet/in.h>
ae986130
LW		 998#endif
999
28e8609d
JH		 1000#ifdef I_ARPA_INET
1001# include <arpa/inet.h>
1002#endif
1003
84902520
TB		 1004#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1005/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1006 * (the neo-BSD seem to do this). */
1007# undef SF_APPEND
1008#endif
1009
1aef975c 1010#ifdef I_SYS_STAT
84902520 1011# include <sys/stat.h>
1aef975c 1012#endif
79072805 1013
a0d0e21e
LW		 1014/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1015 like UTekV) are broken, sometimes giving false positives. Undefine
1016 them here and let the code below set them to proper values.
1017
1018 The ghs macro stands for GreenHills Software C-1.8.5 which
1019 is the C compiler for sysV88 and the various derivatives.
1020 This header file bug is corrected in gcc-2.5.8 and later versions.
1021 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1022
1023#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1024# undef S_ISDIR
1025# undef S_ISCHR
1026# undef S_ISBLK
1027# undef S_ISREG
1028# undef S_ISFIFO
1029# undef S_ISLNK
ee0007ab 1030#endif
135863df 1031
663a0e37
LW		 1032#ifdef I_TIME
1033# include <time.h>
ffed7fef 1034#endif
663a0e37 1035
fe14fcc3 1036#ifdef I_SYS_TIME
85e6fe83 1037# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1038# define KERNEL
1039# endif
1040# include <sys/time.h>
85e6fe83 1041# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1042# undef KERNEL
1043# endif
a687059c 1044#endif
135863df 1045
55497cff 1046#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1047# include <sys/times.h>
d9d8d8de 1048#endif
8d063cd8 1049
fe14fcc3 1050#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1051# undef HAS_STRERROR
663a0e37
LW		 1052#endif
1053
1054#include <errno.h>
1e743fda 1055
acfe0abc 1056#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1057# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1058#endif
1059
8cfab5ff
JH		 1060/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1061 * This is important for using IPv6.
1062 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1063 * a bad idea since it breaks send() and recv(). */
1064#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1065# define _SOCKADDR_LEN
1066#endif
1067
8d3f517a 1068#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1069# include <sys/socket.h>
1070# if defined(USE_SOCKS) && defined(I_SOCKS)
1071# if !defined(INCLUDE_PROTOTYPES)
1072# define INCLUDE_PROTOTYPES /* for <socks.h> */
1073# define PERL_SOCKS_NEED_PROTOTYPES
1074# endif
1075# include <socks.h>
1076# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1077# undef INCLUDE_PROTOTYPES
1078# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1079# endif
d460ef45 1080# endif
1e743fda 1081# ifdef I_NETDB
2986a63f
JH		 1082# ifdef NETWARE
1083# include<stdio.h>
1084# endif
1e743fda
JH		 1085# include <netdb.h>
1086# endif
1087# ifndef ENOTSOCK
1088# ifdef I_NET_ERRNO
1089# include <net/errno.h>
1090# endif
1091# endif
1092#endif
1093
fa0a29af 1094/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1095 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1096 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1097#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1098# if defined(__THROW) && defined(__GLIBC__)
1099int sockatmark(int) __THROW;
1100# else
2ef53570 1101int sockatmark(int);
29820b6d 1102# endif
2ef53570
JH		 1103#endif
1104
1e743fda
JH		 1105#ifdef SETERRNO
1106# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1107#endif
f86702cc 1108
1109#ifdef VMS
1110# define SETERRNO(errcode,vmserrcode) \
1111 STMT_START { \
1112 set_errno(errcode); \
1113 set_vaxc_errno(vmserrcode); \
1114 } STMT_END
93189314
JH		 1115# define LIB_INVARG LIB$_INVARG
1116# define RMS_DIR RMS$_DIR
1117# define RMS_FAC RMS$_FAC
1118# define RMS_FEX RMS$_FEX
1119# define RMS_FNF RMS$_FNF
1120# define RMS_IFI RMS$_IFI
1121# define RMS_ISI RMS$_ISI
1122# define RMS_PRV RMS$_PRV
1123# define SS_ACCVIO SS$_ACCVIO
1124# define SS_DEVOFFLINE SS$_DEVOFFLINE
1125# define SS_IVCHAN SS$_IVCHAN
1126# define SS_NORMAL SS$_NORMAL
748a9306 1127#else
aba27d88 1128# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1129# define LIB_INVARG 0
1130# define RMS_DIR 0
1131# define RMS_FAC 0
1132# define RMS_FEX 0
1133# define RMS_FNF 0
1134# define RMS_IFI 0
1135# define RMS_ISI 0
1136# define RMS_PRV 0
1137# define SS_ACCVIO 0
1138# define SS_DEVOFFLINE 0
1139# define SS_IVCHAN 0
1140# define SS_NORMAL 0
748a9306 1141#endif
ed6116ce 1142
3db8f154 1143#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1144/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1145#define DEFSV GvSVn(PL_defgv)
3db8f154 1146#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1147
98eae8f5
GS		 1148#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1149
55497cff 1150#ifndef errno
5ff3f7a4
GS		 1151 extern int errno; /* ANSI allows errno to be an lvalue expr.
1152 * For example in multithreaded environments
1153 * something like this might happen:
1154 * extern int *_errno(void);
1155 * #define errno (*_errno()) */
d9d8d8de 1156#endif
663a0e37 1157
2304df62 1158#ifdef HAS_STRERROR
a0d0e21e 1159# ifdef VMS
20ce7b12 1160 char *strerror (int,...);
a0d0e21e 1161# else
68dc0745 1162#ifndef DONT_DECLARE_STD
20ce7b12 1163 char *strerror (int);
68dc0745 1164#endif
a0d0e21e 1165# endif
2304df62
AD		 1166# ifndef Strerror
1167# define Strerror strerror
1168# endif
1169#else
1170# ifdef HAS_SYS_ERRLIST
79072805
LW		 1171 extern int sys_nerr;
1172 extern char *sys_errlist[];
2304df62
AD		 1173# ifndef Strerror
1174# define Strerror(e) \
79072805 1175 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1176# endif
79072805 1177# endif
35c8bce7 1178#endif
663a0e37 1179
2304df62 1180#ifdef I_SYS_IOCTL
79072805
LW		 1181# ifndef _IOCTL_
1182# include <sys/ioctl.h>
1183# endif
a687059c
LW		 1184#endif
1185
ee0007ab 1186#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1187# ifdef HAS_SOCKETPAIR
1188# undef HAS_SOCKETPAIR
1189# endif
2304df62
AD		 1190# ifdef I_NDBM
1191# undef I_NDBM
79072805 1192# endif
a687059c
LW		 1193#endif
1194
02fc2eee
NC		 1195#ifndef HAS_SOCKETPAIR
1196# ifdef HAS_SOCKET
1197# define socketpair Perl_my_socketpair
1198# endif
1199#endif
1200
a687059c 1201#if INTSIZE == 2
79072805
LW		 1202# define htoni htons
1203# define ntohi ntohs
a687059c 1204#else
79072805
LW		 1205# define htoni htonl
1206# define ntohi ntohl
a687059c
LW		 1207#endif
1208
a0d0e21e 1209/* Configure already sets Direntry_t */
35c8bce7 1210#if defined(I_DIRENT)
663a0e37 1211# include <dirent.h>
8f1f23e8
W		 1212 /* NeXT needs dirent + sys/dir.h */
1213# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1214# include <sys/dir.h>
1215# endif
ae986130 1216#else
fe14fcc3 1217# ifdef I_SYS_NDIR
79a0689e 1218# include <sys/ndir.h>
663a0e37 1219# else
fe14fcc3 1220# ifdef I_SYS_DIR
79a0689e
LW		 1221# ifdef hp9000s500
1222# include <ndir.h> /* may be wrong in the future */
1223# else
1224# include <sys/dir.h>
1225# endif
663a0e37
LW		 1226# endif
1227# endif
4633a7c4 1228#endif
a687059c 1229
12ae5dfc
JH		 1230#ifdef PERL_MICRO
1231# ifndef DIR
1232# define DIR void
1233# endif
1234#endif
1235
352d5a3a
LW		 1236#ifdef FPUTS_BOTCH
1237/* work around botch in SunOS 4.0.1 and 4.0.2 */
1238# ifndef fputs
79072805 1239# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1240# endif
1241#endif
1242
c623bd54
LW		 1243/*
1244 * The following gobbledygook brought to you on behalf of __STDC__.
1245 * (I could just use #ifndef __STDC__, but this is more bulletproof
1246 * in the face of half-implementations.)
1247 */
1248
7114a2d2 1249#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1250#include <sys/mode.h>
1251#endif
1252
c623bd54
LW		 1253#ifndef S_IFMT
1254# ifdef _S_IFMT
1255# define S_IFMT _S_IFMT
1256# else
1257# define S_IFMT 0170000
1258# endif
1259#endif
1260
1261#ifndef S_ISDIR
1262# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1263#endif
1264
1265#ifndef S_ISCHR
1266# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1267#endif
1268
1269#ifndef S_ISBLK
fe14fcc3
LW		 1270# ifdef S_IFBLK
1271# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1272# else
1273# define S_ISBLK(m) (0)
1274# endif
c623bd54
LW		 1275#endif
1276
1277#ifndef S_ISREG
1278# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1279#endif
1280
1281#ifndef S_ISFIFO
fe14fcc3
LW		 1282# ifdef S_IFIFO
1283# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1284# else
1285# define S_ISFIFO(m) (0)
1286# endif
c623bd54
LW		 1287#endif
1288
1289#ifndef S_ISLNK
1290# ifdef _S_ISLNK
1291# define S_ISLNK(m) _S_ISLNK(m)
1292# else
1293# ifdef _S_IFLNK
1294# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1295# else
1296# ifdef S_IFLNK
1297# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1298# else
1299# define S_ISLNK(m) (0)
1300# endif
1301# endif
1302# endif
1303#endif
1304
1305#ifndef S_ISSOCK
1306# ifdef _S_ISSOCK
1307# define S_ISSOCK(m) _S_ISSOCK(m)
1308# else
1309# ifdef _S_IFSOCK
1310# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1311# else
1312# ifdef S_IFSOCK
1313# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1314# else
1315# define S_ISSOCK(m) (0)
1316# endif
1317# endif
1318# endif
1319#endif
1320
1321#ifndef S_IRUSR
1322# ifdef S_IREAD
1323# define S_IRUSR S_IREAD
1324# define S_IWUSR S_IWRITE
1325# define S_IXUSR S_IEXEC
1326# else
1327# define S_IRUSR 0400
1328# define S_IWUSR 0200
1329# define S_IXUSR 0100
1330# endif
fac7cdfc
JS		 1331#endif
1332
1333#ifndef S_IRGRP
1334# ifdef S_IRUSR
1335# define S_IRGRP (S_IRUSR>>3)
1336# define S_IWGRP (S_IWUSR>>3)
1337# define S_IXGRP (S_IXUSR>>3)
1338# else
1339# define S_IRGRP 0040
1340# define S_IWGRP 0020
1341# define S_IXGRP 0010
1342# endif
1343#endif
1344
1345#ifndef S_IROTH
1346# ifdef S_IRUSR
1347# define S_IROTH (S_IRUSR>>6)
1348# define S_IWOTH (S_IWUSR>>6)
1349# define S_IXOTH (S_IXUSR>>6)
1350# else
1351# define S_IROTH 0040
1352# define S_IWOTH 0020
1353# define S_IXOTH 0010
1354# endif
c623bd54
LW		 1355#endif
1356
1357#ifndef S_ISUID
1358# define S_ISUID 04000
1359#endif
1360
1361#ifndef S_ISGID
1362# define S_ISGID 02000
1363#endif
1364
ca6e1c26
JH		 1365#ifndef S_IRWXU
1366# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1367#endif
ca6e1c26
JH		 1368
1369#ifndef S_IRWXG
1370# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1371#endif
ca6e1c26
JH		 1372
1373#ifndef S_IRWXO
1374# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1375#endif
ca6e1c26 1376
c21fb2b8
JH		 1377/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1378 * which would get included through <sys/file.h >, but that is 3000
1379 * lines in the future. --jhi */
1380
1381#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1382# define S_IREAD S_IRUSR
1383#endif
1384
c21fb2b8 1385#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1386# define S_IWRITE S_IWUSR
1387#endif
1388
1389#ifndef S_IEXEC
1390# define S_IEXEC S_IXUSR
1391#endif
1392
79072805
LW		 1393#ifdef ff_next
1394# undef ff_next
352d5a3a
LW		 1395#endif
1396
a0d0e21e 1397#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1398# define SLOPPYDIVIDE
1399#endif
1400
748a9306
LW		 1401#ifdef UV
1402#undef UV
1403#endif
1404
c89df6bf
JH		 1405#ifdef SPRINTF_E_BUG
1406# define sprintf UTS_sprintf_wrap
1407#endif
1408
ce582cee
NC		 1409/* For the times when you want the return value of sprintf, and you want it
1410 to be the length. Can't have a thread variable passed in, because C89 has
1411 no varargs macros.
1412*/
1413#ifdef SPRINTF_RETURNS_STRLEN
1414# define my_sprintf sprintf
1415#else
1416# define my_sprintf Perl_my_sprintf
1417#endif
1418
c495e728
JH		 1419/* Configure gets this right but the UTS compiler gets it wrong.
1420 -- Hal Morris <hom00@utsglobal.com> */
1421#ifdef UTS
1422# undef UVTYPE
1423# define UVTYPE unsigned
1424#endif
1425
05f13f53 1426/*
27d4fb96 1427 The IV type is supposed to be long enough to hold any integral
1428 value or a pointer.
1429 --Andy Dougherty August 1996
1430*/
1431
a22e52b9
JH		 1432typedef IVTYPE IV;
1433typedef UVTYPE UV;
8175356b 1434
10cc9d2a 1435#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1436# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1437# define IV_MAX INT64_MAX
1438# define IV_MIN INT64_MIN
1439# define UV_MAX UINT64_MAX
cae7ae48
JH		 1440# ifndef UINT64_MIN
1441# define UINT64_MIN 0
1442# endif
5ff3f7a4
GS		 1443# define UV_MIN UINT64_MIN
1444# else
1445# define IV_MAX PERL_QUAD_MAX
1446# define IV_MIN PERL_QUAD_MIN
1447# define UV_MAX PERL_UQUAD_MAX
1448# define UV_MIN PERL_UQUAD_MIN
1449# endif
cf2093f6
JH		 1450# define IV_IS_QUAD
1451# define UV_IS_QUAD
79072805 1452#else
8175356b 1453# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1454# define IV_MAX INT32_MAX
1455# define IV_MIN INT32_MIN
716026f9
DL		 1456# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1457# define UV_MAX UINT32_MAX
1458# else
1459# define UV_MAX 4294967295U
1460# endif
cae7ae48
JH		 1461# ifndef UINT32_MIN
1462# define UINT32_MIN 0
1463# endif
5ff3f7a4
GS		 1464# define UV_MIN UINT32_MIN
1465# else
1466# define IV_MAX PERL_LONG_MAX
1467# define IV_MIN PERL_LONG_MIN
1468# define UV_MAX PERL_ULONG_MAX
1469# define UV_MIN PERL_ULONG_MIN
1470# endif
8175356b 1471# if IVSIZE == 8
cf2093f6
JH		 1472# define IV_IS_QUAD
1473# define UV_IS_QUAD
de1c2614
JH		 1474# ifndef HAS_QUAD
1475# define HAS_QUAD
1476# endif
cf2093f6
JH		 1477# else
1478# undef IV_IS_QUAD
1479# undef UV_IS_QUAD
de1c2614 1480# undef HAS_QUAD
cf2093f6 1481# endif
79072805 1482#endif
d7d93a81 1483
1109a392
MHM		 1484#ifndef HAS_QUAD
1485# undef PERL_NEED_MY_HTOLE64
1486# undef PERL_NEED_MY_LETOH64
1487# undef PERL_NEED_MY_HTOBE64
1488# undef PERL_NEED_MY_BETOH64
1489#endif
1490
6cde8aec 1491#if defined(uts) || defined(UTS)
11afe549
HM		 1492# undef UV_MAX
1493# define UV_MAX (4294967295u)
20601011
JH		 1494#endif
1495
cae7ae48 1496#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1497#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1498
28e5dec8 1499#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1500#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1501#endif
1502
d460ef45 1503/*
26bb67e2
JH		 1504 * The macros INT2PTR and NUM2PTR are (despite their names)
1505 * bi-directional: they will convert int/float to or from pointers.
1506 * However the conversion to int/float are named explicitly:
1507 * PTR2IV, PTR2UV, PTR2NV.
1508 *
1509 * For int conversions we do not need two casts if pointers are
1510 * the same size as IV and UV. Otherwise we need an explicit
1511 * cast (PTRV) to avoid compiler warnings.
1512 */
56431972
RB		 1513#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1514# define PTRV UV
1515# define INT2PTR(any,d) (any)(d)
1516#else
d460ef45 1517# if PTRSIZE == LONGSIZE
56431972 1518# define PTRV unsigned long
e91e3b10 1519# define PTR2ul(p) (unsigned long)(p)
42718184 1520# else
56431972 1521# define PTRV unsigned
42718184 1522# endif
e91e3b10
RB		 1523#endif
1524
1525#ifndef INT2PTR
56431972 1526# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1527#endif
e91e3b10
RB		 1528
1529#ifndef PTR2ul
1530# define PTR2ul(p) INT2PTR(unsigned long,p)
1531#endif
1532
56431972
RB		 1533#define NUM2PTR(any,d) (any)(PTRV)(d)
1534#define PTR2IV(p) INT2PTR(IV,p)
1535#define PTR2UV(p) INT2PTR(UV,p)
1536#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1537#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1538
8141890a
JH		 1539/* According to strict ANSI C89 one cannot freely cast between
1540 * data pointers and function (code) pointers. There are at least
1541 * two ways around this. One (used below) is to do two casts,
1542 * first the other pointer to an (unsigned) integer, and then
1543 * the integer to the other pointer. The other way would be
1544 * to use unions to "overlay" the pointers. For an example of
1545 * the latter technique, see union dirpu in struct xpvio in sv.h.
1546 * The only feasible use is probably temporarily storing
1547 * function pointers in a data pointer (such as a void pointer). */
1548
e91e3b10
RB		 1549#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1550#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1551
65202027 1552#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1553# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1554# define LONG_DOUBLE_EQUALS_DOUBLE
1555# endif
68d4903c 1556# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1557# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1558# endif
1559#endif
1560
2d4389e4
JH		 1561#ifdef OVR_DBL_DIG
1562/* Use an overridden DBL_DIG */
1563# ifdef DBL_DIG
1564# undef DBL_DIG
1565# endif
1566# define DBL_DIG OVR_DBL_DIG
1567#else
1568/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1569 default value for printing floating point numbers in Gconvert
1570 (see config.h). (It also has other uses, such as figuring out if
1571 a given precision of printing can be done with a double instead of
1572 a long double - Allen).
2d4389e4
JH		 1573*/
1574#ifdef I_LIMITS
1575#include <limits.h>
1576#endif
1577#ifdef I_FLOAT
1578#include <float.h>
1579#endif
1580#ifndef HAS_DBL_DIG
1581#define DBL_DIG 15 /* A guess that works lots of places */
1582#endif
1583#endif
cbca01e1
JH		 1584#ifdef I_FLOAT
1585#include <float.h>
1586#endif
1587#ifndef HAS_DBL_DIG
1588#define DBL_DIG 15 /* A guess that works lots of places */
1589#endif
2d4389e4
JH		 1590
1591#ifdef OVR_LDBL_DIG
1592/* Use an overridden LDBL_DIG */
1593# ifdef LDBL_DIG
1594# undef LDBL_DIG
1595# endif
1596# define LDBL_DIG OVR_LDBL_DIG
1597#else
1598/* The following is all to get LDBL_DIG, in order to pick a nice
1599 default value for printing floating point numbers in Gconvert.
1600 (see config.h)
1601*/
68d4903c
JH		 1602# ifdef I_LIMITS
1603# include <limits.h>
1604# endif
1605# ifdef I_FLOAT
1606# include <float.h>
1607# endif
1608# ifndef HAS_LDBL_DIG
1609# if LONG_DOUBLESIZE == 10
1610# define LDBL_DIG 18 /* assume IEEE */
1611# else
1612# if LONG_DOUBLESIZE == 12
1613# define LDBL_DIG 18 /* gcc? */
1614# else
1615# if LONG_DOUBLESIZE == 16
1616# define LDBL_DIG 33 /* assume IEEE */
1617# else
1618# if LONG_DOUBLESIZE == DOUBLESIZE
1619# define LDBL_DIG DBL_DIG /* bummer */
1620# endif
1621# endif
1622# endif
1623# endif
1624# endif
2d4389e4
JH		 1625#endif
1626
20f6aaab
AS		 1627/*
1628 * This is for making sure we have a good DBL_MAX value, if possible,
1629 * either for usage as NV_MAX or for usage in figuring out if we can
1630 * fit a given long double into a double, if bug-fixing makes it
1631 * necessary to do so. - Allen <allens@cpan.org>
1632 */
1633
205f51d8
AS		 1634#ifdef I_LIMITS
1635# include <limits.h>
20f6aaab
AS		 1636#endif
1637
205f51d8
AS		 1638#ifdef I_VALUES
1639# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1640# include <values.h>
1641# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1642# define DBL_MAX MAXDOUBLE
1643# endif
1644# if defined(MINDOUBLE) && !defined(DBL_MIN)
1645# define DBL_MIN MINDOUBLE
1646# endif
1647# endif
1648#endif /* defined(I_VALUES) */
1649
a22e52b9 1650typedef NVTYPE NV;
8175356b 1651
792d8dab
JH		 1652#ifdef I_IEEEFP
1653# include <ieeefp.h>
1654#endif
923fc586 1655
65202027 1656#ifdef USE_LONG_DOUBLE
923fc586
JH		 1657# ifdef I_SUNMATH
1658# include <sunmath.h>
1659# endif
2d4389e4 1660# define NV_DIG LDBL_DIG
d6c14000
JH		 1661# ifdef LDBL_MANT_DIG
1662# define NV_MANT_DIG LDBL_MANT_DIG
1663# endif
06fc1729
JH		 1664# ifdef LDBL_MIN
1665# define NV_MIN LDBL_MIN
1666# endif
1667# ifdef LDBL_MAX
1668# define NV_MAX LDBL_MAX
1669# endif
1670# ifdef LDBL_MIN_10_EXP
1671# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1672# endif
1673# ifdef LDBL_MAX_10_EXP
1674# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1675# endif
1676# ifdef LDBL_EPSILON
1677# define NV_EPSILON LDBL_EPSILON
1678# endif
f4a14a62
JH		 1679# ifdef LDBL_MAX
1680# define NV_MAX LDBL_MAX
20f6aaab 1681/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1682# else
1683# ifdef HUGE_VALL
1684# define NV_MAX HUGE_VALL
1685# else
1686# ifdef HUGE_VAL
1687# define NV_MAX ((NV)HUGE_VAL)
1688# endif
1689# endif
1690# endif
68d4903c 1691# ifdef HAS_SQRTL
68d4903c
JH		 1692# define Perl_cos cosl
1693# define Perl_sin sinl
1694# define Perl_sqrt sqrtl
1695# define Perl_exp expl
1696# define Perl_log logl
1697# define Perl_atan2 atan2l
1698# define Perl_pow powl
1699# define Perl_floor floorl
1bbae031 1700# define Perl_ceil ceill
68d4903c
JH		 1701# define Perl_fmod fmodl
1702# endif
a3540c92
JH		 1703/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1704# ifdef HAS_MODFL
1705# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1706/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1707 prototype in <math.h> */
1708# ifndef HAS_MODFL_PROTO
a221a8a5 1709EXTERN_C long double modfl(long double, long double *);
51997bc3 1710# endif
03476e8e
JH		 1711# else
1712# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1713 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1714# define Perl_modf(x,y) Perl_my_modfl(x,y)
1715# endif
a3540c92
JH		 1716# endif
1717# ifdef HAS_FREXPL
dff3e0b8 1718# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1719# else
1720# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1721 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1722# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1723# endif
a3540c92 1724# endif
38dbb4c5 1725# ifndef Perl_isnan
758a5d79
JH		 1726# ifdef HAS_ISNANL
1727# define Perl_isnan(x) isnanl(x)
1728# endif
1729# endif
1730# ifndef Perl_isinf
1731# ifdef HAS_FINITEL
1732# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1733# endif
1734# endif
65202027 1735#else
2d4389e4 1736# define NV_DIG DBL_DIG
d6c14000
JH		 1737# ifdef DBL_MANT_DIG
1738# define NV_MANT_DIG DBL_MANT_DIG
1739# endif
06fc1729
JH		 1740# ifdef DBL_MIN
1741# define NV_MIN DBL_MIN
1742# endif
1743# ifdef DBL_MAX
1744# define NV_MAX DBL_MAX
1745# endif
1746# ifdef DBL_MIN_10_EXP
1747# define NV_MIN_10_EXP DBL_MIN_10_EXP
1748# endif
1749# ifdef DBL_MAX_10_EXP
1750# define NV_MAX_10_EXP DBL_MAX_10_EXP
1751# endif
1752# ifdef DBL_EPSILON
1753# define NV_EPSILON DBL_EPSILON
1754# endif
205f51d8 1755# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1756# define NV_MAX DBL_MAX
1757# define NV_MIN DBL_MIN
1758# else
1759# ifdef HUGE_VAL
1760# define NV_MAX HUGE_VAL
1761# endif
1762# endif
65202027
DS		 1763# define Perl_cos cos
1764# define Perl_sin sin
1765# define Perl_sqrt sqrt
1766# define Perl_exp exp
1767# define Perl_log log
1768# define Perl_atan2 atan2
1769# define Perl_pow pow
1770# define Perl_floor floor
1bbae031 1771# define Perl_ceil ceil
65202027 1772# define Perl_fmod fmod
a3540c92 1773# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1774# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1775#endif
1776
1777/* rumor has it that Win32 has _fpclass() */
1778
205f51d8
AS		 1779/* SGI has fpclassl... but not with the same result values,
1780 * and it's via a typedef (not via #define), so will need to redo Configure
1781 * to use. Not worth the trouble, IMO, at least until the below is used
1782 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1783 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1784 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1785
758a5d79
JH		 1786#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1787# ifdef I_IEEFP
1788# include <ieeefp.h>
1789# endif
1790# ifdef I_FP
1791# include <fp.h>
1792# endif
1793# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1794# define Perl_fp_class() fpclassl(x)
1795# else
1796# define Perl_fp_class() fpclass(x)
1797# endif
1798# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1799# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1800# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1801# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1802# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1803# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1804# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1805# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1806# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1807# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1808# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1809# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1810# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1811# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1812# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1813#endif
1814
7114a2d2 1815#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1816# include <math.h>
1817# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1818# include <fp_class.h>
1819# endif
1820# define Perl_fp_class(x) fp_class(x)
1821# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1822# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1823# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1824# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1825# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1826# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1827# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1828# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1829# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1830# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1831# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1832# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1833# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1834# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1835# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1836#endif
1837
1838#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1839# include <math.h>
1840# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1841# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1842# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1843# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1844# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1845# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1846#endif
1847
1848#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1849# include <math.h>
1850# ifndef _cplusplus
1851# define Perl_fp_class(x) class(x)
1852# else
1853# define Perl_fp_class(x) _class(x)
1854# endif
1855# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1856# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1857# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1858# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1859# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1860# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1861# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1862# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1863# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1864# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1865# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1866# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1867# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1868# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1869# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1870#endif
1871
1872/* rumor has it that Win32 has _isnan() */
1873
1874#ifndef Perl_isnan
a3540c92 1875# ifdef HAS_ISNAN
758a5d79
JH		 1876# define Perl_isnan(x) isnan((NV)x)
1877# else
1878# ifdef Perl_fp_class_nan
1879# define Perl_isnan(x) Perl_fp_class_nan(x)
1880# else
1881# ifdef HAS_UNORDERED
1882# define Perl_isnan(x) unordered((x), 0.0)
1883# else
1884# define Perl_isnan(x) ((x)!=(x))
1885# endif
1886# endif
1887# endif
1888#endif
1889
ca6c63e1
JH		 1890#ifdef UNDER_CE
1891int isnan(double d);
1892#endif
1893
758a5d79
JH		 1894#ifndef Perl_isinf
1895# ifdef HAS_ISINF
1896# define Perl_isinf(x) isinf((NV)x)
a3540c92 1897# else
758a5d79
JH		 1898# ifdef Perl_fp_class_inf
1899# define Perl_isinf(x) Perl_fp_class_inf(x)
1900# else
1901# define Perl_isinf(x) ((x)==NV_INF)
1902# endif
1903# endif
1904#endif
1905
1906#ifndef Perl_isfinite
1907# ifdef HAS_FINITE
1908# define Perl_isfinite(x) finite((NV)x)
1909# else
1910# ifdef HAS_ISFINITE
1911# define Perl_isfinite(x) isfinite(x)
1912# else
1913# ifdef Perl_fp_class_finite
1914# define Perl_isfinite(x) Perl_fp_class_finite(x)
1915# else
1916# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1917# endif
1918# endif
a3540c92 1919# endif
65202027
DS		 1920#endif
1921
a36244b7
JH		 1922/* The default is to use Perl's own atof() implementation (in numeric.c).
1923 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1924 * it is however best to use the native implementation of atof.
1925 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1926 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1927 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1928 * you may need to be using a different function than atof! */
a36244b7
JH		 1929
1930#ifndef USE_PERL_ATOF
1931# ifndef _UNICOS
1932# define USE_PERL_ATOF
1933# endif
1934#else
1935# if USE_PERL_ATOF == 0
1936# undef USE_PERL_ATOF
1937# endif
1938#endif
1939
1940#ifdef USE_PERL_ATOF
1941# define Perl_atof(s) Perl_my_atof(s)
1942# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1943#else
1944# define Perl_atof(s) (NV)atof(s)
1945# define Perl_atof2(s, n) ((n) = atof(s))
1946#endif
cf2093f6 1947
d460ef45 1948/* Previously these definitions used hardcoded figures.
760ac839
LW		 1949 * It is hoped these formula are more portable, although
1950 * no data one way or another is presently known to me.
1951 * The "PERL_" names are used because these calculated constants
1952 * do not meet the ANSI requirements for LONG_MAX, etc., which
1953 * need to be constants acceptable to #if - kja
1954 * define PERL_LONG_MAX 2147483647L
1955 * define PERL_LONG_MIN (-LONG_MAX - 1)
1956 * define PERL ULONG_MAX 4294967295L
1957 */
1958
1959#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1960# include <limits.h>
760ac839 1961#endif
205f51d8
AS		 1962/* Included values.h above if necessary; still including limits.h down here,
1963 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1964
99abf803 1965/*
1966 * Try to figure out max and min values for the integral types. THE CORRECT
1967 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1968 * following hacks are used if neither limits.h or values.h provide them:
1969 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1970 * for types < int: (unsigned TYPE)~(unsigned)0
1971 * The argument to ~ must be unsigned so that later signed->unsigned
1972 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1973 * and it must not be smaller than int because ~ does integral promotion.
1974 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1975 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1976 * The latter is a hack which happens to work on some machines but
1977 * does *not* catch any random system, or things like integer types
1978 * with NaN if that is possible.
1979 *
1980 * All of the types are explicitly cast to prevent accidental loss of
1981 * numeric range, and in the hope that they will be less likely to confuse
1982 * over-eager optimizers.
1983 *
1984 */
27d4fb96 1985
99abf803 1986#define PERL_UCHAR_MIN ((unsigned char)0)
1987
1988#ifdef UCHAR_MAX
1989# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1990#else
99abf803 1991# ifdef MAXUCHAR
1992# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1993# else
99abf803 1994# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1995# endif
1996#endif
d460ef45 1997
99abf803 1998/*
1999 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2000 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2001 * depending on local options. Until Configure detects this (or at least
2002 * detects whether the "signed" keyword is available) the CHAR ranges
2003 * will not be included. UCHAR functions normally.
2004 * - kja
2005 */
27d4fb96 2006
99abf803 2007#define PERL_USHORT_MIN ((unsigned short)0)
2008
2009#ifdef USHORT_MAX
2010# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2011#else
99abf803 2012# ifdef MAXUSHORT
2013# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2014# else
ef2f54b0
CB		 2015# ifdef USHRT_MAX
2016# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2017# else
2018# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2019# endif
27d4fb96 2020# endif
2021#endif
2022
27d4fb96 2023#ifdef SHORT_MAX
99abf803 2024# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2025#else
2026# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2027# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2028# else
ef2f54b0
CB		 2029# ifdef SHRT_MAX
2030# define PERL_SHORT_MAX ((short)SHRT_MAX)
2031# else
2032# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2033# endif
27d4fb96 2034# endif
2035#endif
2036
2037#ifdef SHORT_MIN
99abf803 2038# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2039#else
2040# ifdef MINSHORT
99abf803 2041# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2042# else
ef2f54b0
CB		 2043# ifdef SHRT_MIN
2044# define PERL_SHORT_MIN ((short)SHRT_MIN)
2045# else
2046# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2047# endif
27d4fb96 2048# endif
2049#endif
2050
99abf803 2051#ifdef UINT_MAX
2052# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2053#else
99abf803 2054# ifdef MAXUINT
2055# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2056# else
99abf803 2057# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2058# endif
2059#endif
2060
99abf803 2061#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2062
2063#ifdef INT_MAX
99abf803 2064# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2065#else
2066# ifdef MAXINT /* Often used in <values.h> */
99abf803 2067# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2068# else
99abf803 2069# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2070# endif
2071#endif
2072
2073#ifdef INT_MIN
99abf803 2074# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2075#else
2076# ifdef MININT
99abf803 2077# define PERL_INT_MIN ((int)MININT)
27d4fb96 2078# else
2079# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2080# endif
2081#endif
2082
99abf803 2083#ifdef ULONG_MAX
2084# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2085#else
99abf803 2086# ifdef MAXULONG
2087# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2088# else
99abf803 2089# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2090# endif
2091#endif
2092
99abf803 2093#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2094
760ac839 2095#ifdef LONG_MAX
99abf803 2096# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2097#else
2098# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2099# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2100# else
99abf803 2101# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2102# endif
2103#endif
2104
2105#ifdef LONG_MIN
99abf803 2106# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2107#else
2108# ifdef MINLONG
99abf803 2109# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2110# else
27d4fb96 2111# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2112# endif
2113#endif
2114
d7d93a81 2115#ifdef UV_IS_QUAD
99abf803 2116
99abf803 2117# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2118# define PERL_UQUAD_MIN ((UV)0)
99abf803 2119# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2120# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2121
79072805
LW		 2122#endif
2123
22f7c9c9
JH		 2124#ifdef MYMALLOC
2125# include "malloc_ctl.h"
2126#endif
2127
830247a4 2128struct RExC_state_t;
880b20b6 2129
ee0007ab 2130typedef MEM_SIZE STRLEN;
450a55e4 2131
79072805
LW		 2132typedef struct op OP;
2133typedef struct cop COP;
2134typedef struct unop UNOP;
2135typedef struct binop BINOP;
2136typedef struct listop LISTOP;
2137typedef struct logop LOGOP;
79072805
LW		 2138typedef struct pmop PMOP;
2139typedef struct svop SVOP;
7934575e 2140typedef struct padop PADOP;
79072805 2141typedef struct pvop PVOP;
79072805
LW		 2142typedef struct loop LOOP;
2143
93a17b20 2144typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 2145
2146/* Amdahl's <ksync.h> has struct sv */
2147/* SGI's <sys/sema.h> has struct sv */
2148#if defined(UTS) || defined(__sgi)
2149# define STRUCT_SV perl_sv
b8d3c5db
JH		 2150#else
2151# define STRUCT_SV sv
2152#endif
2153typedef struct STRUCT_SV SV;
79072805
LW		 2154typedef struct av AV;
2155typedef struct hv HV;
2156typedef struct cv CV;
378cc40b 2157typedef struct regexp REGEXP;
79072805 2158typedef struct gp GP;
0c30d9ec 2159typedef struct gv GV;
8990e307 2160typedef struct io IO;
c09156bb 2161typedef struct context PERL_CONTEXT;
79072805
LW		 2162typedef struct block BLOCK;
2163
2164typedef struct magic MAGIC;
2165typedef struct xpv XPV;
2166typedef struct xpviv XPVIV;
ff68c719 2167typedef struct xpvuv XPVUV;
79072805
LW		 2168typedef struct xpvnv XPVNV;
2169typedef struct xpvmg XPVMG;
2170typedef struct xpvlv XPVLV;
2171typedef struct xpvav XPVAV;
2172typedef struct xpvhv XPVHV;
2173typedef struct xpvgv XPVGV;
2174typedef struct xpvcv XPVCV;
2175typedef struct xpvbm XPVBM;
2176typedef struct xpvfm XPVFM;
8990e307 2177typedef struct xpvio XPVIO;
79072805
LW		 2178typedef struct mgvtbl MGVTBL;
2179typedef union any ANY;
5f7fde29
GS		 2180typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2181typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2182typedef struct clone_params CLONE_PARAMS;
2183
378cc40b 2184#include "handy.h"
a0d0e21e 2185
6b8eaf93 2186#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2187# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2188# define USE_64_BIT_RAWIO /* implicit */
2189# endif
4564133c
JH		 2190#endif
2191
6b8eaf93
JH		 2192/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2193 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2194 * however, because operating systems like to do that themself. */
2195#ifndef FSEEKSIZE
2196# ifdef HAS_FSEEKO
2197# define FSEEKSIZE LSEEKSIZE
2198# else
2199# define FSEEKSIZE LONGSIZE
d460ef45 2200# endif
6b8eaf93
JH		 2201#endif
2202
2203#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2204# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2205# define USE_64_BIT_STDIO /* implicit */
2206# endif
2207#endif
4564133c 2208
09458382 2209#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2210# ifdef HAS_OFF64_T
2211# undef Off_t
2212# define Off_t off64_t
2213# undef LSEEKSIZE
2214# define LSEEKSIZE 8
5ff3f7a4 2215# endif
d9b3e12d
JH		 2216/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2217 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2218 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2219# if defined(USE_OPEN64)
2220# define open open64
5ff3f7a4 2221# endif
d9b3e12d
JH		 2222# if defined(USE_LSEEK64)
2223# define lseek lseek64
6b8eaf93
JH		 2224# else
2225# if defined(USE_LLSEEK)
2226# define lseek llseek
2227# endif
d9b3e12d
JH		 2228# endif
2229# if defined(USE_STAT64)
2230# define stat stat64
2231# endif
2232# if defined(USE_FSTAT64)
2233# define fstat fstat64
2234# endif
2235# if defined(USE_LSTAT64)
2236# define lstat lstat64
2237# endif
2238# if defined(USE_FLOCK64)
2239# define flock flock64
2240# endif
2241# if defined(USE_LOCKF64)
2242# define lockf lockf64
2243# endif
2244# if defined(USE_FCNTL64)
2245# define fcntl fcntl64
2246# endif
2247# if defined(USE_TRUNCATE64)
2248# define truncate truncate64
2249# endif
2250# if defined(USE_FTRUNCATE64)
2251# define ftruncate ftruncate64
2252# endif
2253#endif
2254
2255#ifdef USE_64_BIT_STDIO
2256# ifdef HAS_FPOS64_T
2257# undef Fpos_t
2258# define Fpos_t fpos64_t
2259# endif
2260/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2261 * will trigger defines like the ones below. Some 64-bit environments,
2262 * however, do not. */
2263# if defined(USE_FOPEN64)
2264# define fopen fopen64
2265# endif
2266# if defined(USE_FSEEK64)
6b8eaf93 2267# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2268# endif
2269# if defined(USE_FTELL64)
6b8eaf93 2270# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2271# endif
2272# if defined(USE_FSETPOS64)
2273# define fsetpos fsetpos64
2274# endif
2275# if defined(USE_FGETPOS64)
2276# define fgetpos fgetpos64
2277# endif
2278# if defined(USE_TMPFILE64)
2279# define tmpfile tmpfile64
2280# endif
2281# if defined(USE_FREOPEN64)
2282# define freopen freopen64
5ff3f7a4
GS		 2283# endif
2284#endif
2285
af8b425d 2286#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2287# include "iperlsys.h"
2288#endif
2289
6f71a643 2290#if defined(__OPEN_VM)
19848b3f
JH		 2291# include "vmesa/vmesaish.h"
2292# define ISHISH "vmesa"
6f71a643
JH		 2293#endif
2294
748a9306 2295#ifdef DOSISH
19848b3f
JH		 2296# if defined(OS2)
2297# include "os2ish.h"
2298# else
2299# include "dosish.h"
2300# endif
2301# define ISHISH "dos"
2302#endif
2303
2304#if defined(VMS)
748a9306 2305# include "vmsish.h"
96e176bf 2306# include "embed.h"
19848b3f
JH		 2307# define ISHISH "vms"
2308#endif
2309
2310#if defined(PLAN9)
2311# include "./plan9/plan9ish.h"
2312# define ISHISH "plan9"
2313#endif
2314
2315#if defined(MPE)
2316# include "mpeix/mpeixish.h"
2317# define ISHISH "mpeix"
2318#endif
2319
2320#if defined(__VOS__)
196918b0
PG		 2321# ifdef __GNUC__
2322# include "./vos/vosish.h"
2323# else
2324# include "vos/vosish.h"
2325# endif
19848b3f
JH		 2326# define ISHISH "vos"
2327#endif
2328
2329#if defined(EPOC)
2330# include "epocish.h"
2331# define ISHISH "epoc"
2332#endif
2333
9969cdde 2334#ifdef __SYMBIAN32__
27da23d5
JH		 2335# include "symbian/symbianish.h"
2336# include "embed.h"
2337# define ISHISH "symbian"
2338#endif
2339
19848b3f
JH		 2340#if defined(MACOS_TRADITIONAL)
2341# include "macos/macish.h"
2342# ifndef NO_ENVIRON_ARRAY
2343# define NO_ENVIRON_ARRAY
0c30d9ec 2344# endif
19848b3f
JH		 2345# define ISHISH "macos classic"
2346#endif
2347
efca5cc6
JH		 2348#if defined(__BEOS__)
2349# include "beos/beosish.h"
2350# define ISHISH "beos"
2351#endif
2352
19848b3f
JH		 2353#ifndef ISHISH
2354# include "unixish.h"
2355# define ISHISH "unix"
13b6e58c
JH		 2356#endif
2357
2946a158
JH		 2358/* NSIG logic from Configure --> */
2359/* Strange style to avoid deeply-nested #if/#else/#endif */
2360#ifndef NSIG
2361# ifdef _NSIG
2362# define NSIG (_NSIG)
2363# endif
2364#endif
2365
2366#ifndef NSIG
2367# ifdef SIGMAX
2368# define NSIG (SIGMAX+1)
2369# endif
2370#endif
2371
2372#ifndef NSIG
2373# ifdef SIG_MAX
2374# define NSIG (SIG_MAX+1)
2375# endif
2376#endif
2377
2378#ifndef NSIG
2379# ifdef _SIG_MAX
2380# define NSIG (_SIG_MAX+1)
2381# endif
2382#endif
2383
2384#ifndef NSIG
2385# ifdef MAXSIG
2386# define NSIG (MAXSIG+1)
2387# endif
2388#endif
2389
2390#ifndef NSIG
2391# ifdef MAX_SIG
2392# define NSIG (MAX_SIG+1)
2393# endif
2394#endif
2395
2396#ifndef NSIG
2397# ifdef SIGARRAYSIZE
2398# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2399# endif
2400#endif
2401
2402#ifndef NSIG
2403# ifdef _sys_nsig
2404# define NSIG (_sys_nsig) /* Solaris 2.5 */
2405# endif
2406#endif
2407
2408/* Default to some arbitrary number that's big enough to get most
2409 of the common signals.
2410*/
2411#ifndef NSIG
2412# define NSIG 50
2413#endif
2414/* <-- NSIG logic from Configure */
2415
13b6e58c
JH		 2416#ifndef NO_ENVIRON_ARRAY
2417# define USE_ENVIRON_ARRAY
2418#endif
32f822de 2419
c77b533b
JH		 2420/*
2421 * initialise to avoid floating-point exceptions from overflow, etc
2422 */
2423#ifndef PERL_FPU_INIT
2424# ifdef HAS_FPSETMASK
2425# if HAS_FLOATINGPOINT_H
2426# include <floatingpoint.h>
2427# endif
2428# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2429# else
2f42fcb0 2430# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
8aad04aa 2431# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2432# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2433# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2434# else
2435# define PERL_FPU_INIT
2f42fcb0 2436
7014c407 2437# endif
c77b533b
JH		 2438# endif
2439#endif
b35112e7
CS		 2440#ifndef PERL_FPU_PRE_EXEC
2441# define PERL_FPU_PRE_EXEC {
2442# define PERL_FPU_POST_EXEC }
2443#endif
c77b533b 2444
ed344e4f
IZ		 2445#ifndef PERL_SYS_INIT3
2446# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2447#endif
2448
be708cc0
JH		 2449#ifndef PERL_WRITE_MSG_TO_CONSOLE
2450# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2451#endif
2452
0f31cffe
GS		 2453#ifndef MAXPATHLEN
2454# ifdef PATH_MAX
b990c8b2
JH		 2455# ifdef _POSIX_PATH_MAX
2456# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2457/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2458 * included the null byte or not. Later amendments of POSIX,
2459 * XPG4, the Austin Group, and the Single UNIX Specification
2460 * all explicitly include the null byte in the PATH_MAX.
2461 * Ditto for _POSIX_PATH_MAX. */
2462# define MAXPATHLEN PATH_MAX
b990c8b2 2463# else
09448d78 2464# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2465# endif
2466# else
2467# define MAXPATHLEN (PATH_MAX+1)
2468# endif
0f31cffe 2469# else
b990c8b2 2470# ifdef _POSIX_PATH_MAX
09448d78 2471# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2472# else
2473# define MAXPATHLEN 1024 /* Err on the large side. */
2474# endif
0f31cffe
GS		 2475# endif
2476#endif
2477
c80263a8
SH		 2478/* In case Configure was not used (we are using a "canned config"
2479 * such as Win32, or a cross-compilation setup, for example) try going
2480 * by the gcc major and minor versions. One useful URL is
2481 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2482 * but contrary to this information warn_unused_result seems
2483 * not to be in gcc 3.3.5, at least. --jhi
2484 * Set these up now otherwise we get confused when some of the <*thread.h>
2485 * includes below indirectly pull in <perlio.h> (which needs to know if we
2486 * have HASATTRIBUTE_FORMAT).
2487 */
2488
2489#if defined __GNUC__
2490# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2491# define HASATTRIBUTE_FORMAT
2492# endif
2493# if __GNUC__ >= 3 /* 3.0 -> */
2494# define HASATTRIBUTE_MALLOC
2495# endif
2496# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2497# define HASATTRIBUTE_NONNULL
2498# endif
2499# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2500# define HASATTRIBUTE_NORETURN
2501# endif
2502# if __GNUC__ >= 3 /* gcc 3.0 -> */
2503# define HASATTRIBUTE_PURE
2504# endif
2505# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2506# define HASATTRIBUTE_UNUSED
2507# endif
2508# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2509# define HASATTRIBUTE_WARN_UNUSED_RESULT
2510# endif
2511#endif
2512
3db8f154 2513/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2514 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2515 * this results in many functions being undeclared which bothers C++
2516 * May make sense to have threads after "*ish.h" anyway
2517 */
2518
3db8f154 2519#if defined(USE_ITHREADS)
2986a63f
JH		 2520# ifdef NETWARE
2521# include <nw5thread.h>
2522# else
32f822de
GS		 2523# ifdef FAKE_THREADS
2524# include "fakethr.h"
2525# else
2526# ifdef WIN32
2527# include <win32thread.h>
2528# else
dd96f567
IZ		 2529# ifdef OS2
2530# include "os2thread.h"
2531# else
7f3d1cf1 2532# ifdef I_MACH_CTHREADS
bdd66968 2533# include <mach/cthreads.h>
8f1f23e8 2534# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2535# define MUTEX_INIT_CALLS_MALLOC
2536# endif
7f3d1cf1
BH		 2537typedef cthread_t perl_os_thread;
2538typedef mutex_t perl_mutex;
2539typedef condition_t perl_cond;
2540typedef void * perl_key;
2541# else /* Posix threads */
1f5ae88c
JH		 2542# ifdef I_PTHREAD
2543# include <pthread.h>
2544# endif
7f3d1cf1
BH		 2545typedef pthread_t perl_os_thread;
2546typedef pthread_mutex_t perl_mutex;
2547typedef pthread_cond_t perl_cond;
2548typedef pthread_key_t perl_key;
2549# endif /* I_MACH_CTHREADS */
dd96f567 2550# endif /* OS2 */
32f822de
GS		 2551# endif /* WIN32 */
2552# endif /* FAKE_THREADS */
2986a63f 2553#endif /* NETWARE */
3db8f154 2554#endif /* USE_ITHREADS */
c5be433b 2555
66a93824 2556#if defined(WIN32)
1feb2720 2557# include "win32.h"
c5be433b
GS		 2558#endif
2559
2986a63f
JH		 2560#ifdef NETWARE
2561# include "netware.h"
2562#endif
2563
e5218da5 2564#define STATUS_UNIX PL_statusvalue
68dc0745 2565#ifdef VMS
6b88bc9c 2566# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2567/*
2568 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
2569 * it's contents can not be trusted. Unfortunately, Perl seems to check
2570 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2571 * be updated also.
2572 */
2573# include <stsdef.h>
2574# include <ssdef.h>
2575/* Presume this because if VMS changes it, it will require a new
2576 * set of APIs for waiting on children for binary compatibility.
2577 */
2578# define child_offset_bits (8)
2579# ifndef C_FAC_POSIX
2580# define C_FAC_POSIX 0x35A000
2581# endif
2582
2583/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2584 * platform from the existing UNIX or Native status values.
2585 */
2586
37038d91 2587# define STATUS_EXIT \
7a7fd8e0
JM		 2588 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2589 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2590
7a7fd8e0 2591
fb38d079
JM		 2592/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2593 * exit code and shifts the UNIX value over the correct number of bits to
2594 * be a child status. Usually the number of bits is 8, but that could be
2595 * platform dependent. The NATIVE status code is presumed to have either
2596 * from a child process.
7a7fd8e0
JM		 2597 */
2598
fb38d079
JM		 2599/* This is complicated. The child processes return a true native VMS
2600 status which must be saved. But there is an assumption in Perl that
2601 the UNIX child status has some relationship to errno values, so
2602 Perl tries to translate it to text in some of the tests.
2603 In order to get the string translation correct, for the error, errno
2604 must be EVMSERR, but that generates a different text message
2605 than what the test programs are expecting. So an errno value must
2606 be derived from the native status value when an error occurs.
2607 That will hide the true native status message. With this version of
2608 perl, the true native child status can always be retrieved so that
2609 is not a problem. But in this case, Pl_statusvalue and errno may
2610 have different values in them.
2611 */
7a7fd8e0 2612
fb38d079 2613# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2614 STMT_START { \
2fbb330f
JM		 2615 I32 evalue = (I32)n; \
2616 if (evalue == EVMSERR) { \
2617 PL_statusvalue_vms = vaxc$errno; \
2618 PL_statusvalue = evalue; \
7a7fd8e0 2619 } else { \
2fbb330f 2620 PL_statusvalue_vms = evalue; \
fb38d079 2621 if (evalue == -1) { \
3280af22 2622 PL_statusvalue = -1; \
7a7fd8e0
JM		 2623 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2624 } else \
fb38d079 2625 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2626 set_vaxc_errno(evalue); \
fb38d079
JM		 2627 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2628 set_errno(EVMSERR); \
2629 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2630 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2631 } \
68dc0745 2632 } STMT_END
7a7fd8e0 2633
68dc0745 2634# ifdef VMSISH_STATUS
e5218da5 2635# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2636# else
e5218da5 2637# define STATUS_CURRENT STATUS_UNIX
68dc0745 2638# endif
7a7fd8e0
JM		 2639
2640 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2641 * the NATIVE status to an equivalent value. Can not be used to translate
2642 * exit code values as exit code values are not guaranteed to have any
2643 * relationship at all to errno values.
2644 * This is used when Perl is forcing errno to have a specific value.
2645 */
e5218da5 2646# define STATUS_UNIX_SET(n) \
68dc0745 2647 STMT_START { \
7a7fd8e0 2648 I32 evalue = (I32)n; \
0968cdad 2649 PL_statusvalue = evalue; \
3280af22 2650 if (PL_statusvalue != -1) { \
0968cdad
JM		 2651 if (PL_statusvalue != EVMSERR) { \
2652 PL_statusvalue &= 0xFFFF; \
2653 if (MY_POSIX_EXIT) \
2654 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2655 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2656 } \
2657 else { \
2658 PL_statusvalue_vms = vaxc$errno; \
2659 } \
68dc0745 2660 } \
0968cdad
JM		 2661 else PL_statusvalue_vms = SS$_ABORT; \
2662 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2663 } STMT_END
2664
2665 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2666 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2667 * the UNIX/POSIX exit codes have any relationship to errno, except
2668 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2669 * with the Perl VMS documentation, any other code sets the NATIVE
2670 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2671 *
2672 * In the new POSIX EXIT mode, native status will be set so that the
2673 * actual exit code will can be retrieved by the calling program or
2674 * shell.
2675 *
2676 * If the exit code is not clearly a UNIX parent or child exit status,
2677 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2678 */
2679
fb38d079 2680# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2681 STMT_START { \
2682 I32 evalue = (I32)n; \
2683 PL_statusvalue = evalue; \
fb38d079
JM		 2684 if (evalue != -1) { \
2685 if (evalue <= 0xFF00) { \
2686 if (evalue > 0xFF) \
2687 evalue = (evalue >> child_offset_bits) & 0xFF; \
2688 if (evalue == 0) \
2689 PL_statusvalue_vms == SS$_NORMAL; \
2690 else \
2691 if (MY_POSIX_EXIT) \
2692 PL_statusvalue_vms = \
2693 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2694 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2695 else \
6ac6a52b 2696 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2697 } else { /* forgive them Perl, for they have sinned */ \
2698 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2699 else PL_statusvalue_vms = vaxc$errno; \
2700 /* And obviously used a VMS status value instead of UNIX */ \
2701 PL_statusvalue = EVMSERR; \
2702 } \
7a7fd8e0
JM		 2703 } \
2704 else PL_statusvalue_vms = SS$_ABORT; \
2705 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2706 } STMT_END
fb38d079 2707
6ac6a52b
JM		 2708 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2709 * and sets the NATIVE error status based on it. This special case
2710 * is needed to maintain compatibility with past VMS behavior.
2711 *
2712 * In the default mode on VMS, this number is passed through as
2713 * both the NATIVE and UNIX status. Which makes it different
2714 * that the STATUS_UNIX_EXIT_SET.
2715 *
2716 * In the new POSIX EXIT mode, native status will be set so that the
2717 * actual exit code will can be retrieved by the calling program or
2718 * shell.
2719 *
2720 */
2721
2722# define STATUS_EXIT_SET(n) \
2723 STMT_START { \
2724 I32 evalue = (I32)n; \
2725 PL_statusvalue = evalue; \
2726 if (MY_POSIX_EXIT) \
2727 PL_statusvalue_vms = \
2728 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2729 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2730 else \
2731 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2732 set_vaxc_errno(PL_statusvalue_vms); \
2733 } STMT_END
2734
fb38d079
JM		 2735
2736 /* This macro forces a success status */
7a7fd8e0
JM		 2737# define STATUS_ALL_SUCCESS \
2738 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2739
2740 /* This macro forces a failure status */
7a7fd8e0
JM		 2741# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2742 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2743 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2744
68dc0745 2745#else
e5218da5 2746# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2747# if defined(WCOREDUMP)
37038d91 2748# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2749 STMT_START { \
2750 PL_statusvalue_posix = (n); \
2751 if (PL_statusvalue_posix == -1) \
2752 PL_statusvalue = -1; \
2753 else { \
2754 PL_statusvalue = \
2755 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2756 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2757 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2758 } \
2759 } STMT_END
2760# elif defined(WIFEXITED)
37038d91 2761# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2762 STMT_START { \
2763 PL_statusvalue_posix = (n); \
2764 if (PL_statusvalue_posix == -1) \
2765 PL_statusvalue = -1; \
2766 else { \
2767 PL_statusvalue = \
2768 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2769 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2770 } \
2771 } STMT_END
2772# else
37038d91 2773# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2774 STMT_START { \
2775 PL_statusvalue_posix = (n); \
2776 if (PL_statusvalue_posix == -1) \
2777 PL_statusvalue = -1; \
2778 else { \
2779 PL_statusvalue = \
2780 PL_statusvalue_posix & 0xFFFF; \
2781 } \
2782 } STMT_END
2783# endif
2784# define STATUS_UNIX_SET(n) \
68dc0745 2785 STMT_START { \
3280af22
NIS		 2786 PL_statusvalue = (n); \
2787 if (PL_statusvalue != -1) \
2788 PL_statusvalue &= 0xFFFF; \
68dc0745 2789 } STMT_END
7a7fd8e0 2790# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2791# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2792# define STATUS_CURRENT STATUS_UNIX
37038d91 2793# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2794# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2795# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2796#endif
2797
cc3604b1
GS		 2798/* flags in PL_exit_flags for nature of exit() */
2799#define PERL_EXIT_EXPECTED 0x01
31d77e54 2800#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2801
0b94c7bb 2802#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2803# define MEMBER_TO_FPTR(name) name
2804#endif
2805
2806/* format to use for version numbers in file/directory names */
273cf8d1 2807/* XXX move to Configure? */
a7cb1f99 2808#ifndef PERL_FS_VER_FMT
273cf8d1 2809# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2810#endif
2811
45bc9206 2812/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2813 * performance issue, so we allow people to disable it. Also, if
2814 * we are using stdio, there are broken implementations of fflush(NULL)
2815 * out there, Solaris being the most prominent.
45bc9206
GS		 2816 */
2817#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2818# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2819# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2820# else
2821# ifdef FFLUSH_ALL
2822# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2823# else
c5be433b 2824# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2825# endif
66fe083f 2826# endif
45bc9206
GS		 2827#endif
2828
7766f137
GS		 2829#ifndef PERL_WAIT_FOR_CHILDREN
2830# define PERL_WAIT_FOR_CHILDREN NOOP
2831#endif
2832
ba869deb 2833/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2834#ifndef PERL_SET_INTERP
2835# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2836#endif
2837
2838#ifndef PERL_GET_INTERP
2839# define PERL_GET_INTERP (PL_curinterp)
2840#endif
2841
54aff467 2842#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2843# ifdef MULTIPLICITY
ba869deb 2844# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2845# endif
ba869deb
GS		 2846# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2847#endif
2848
8896765a
RB		 2849/*
2850 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2851 All that is required is that the perl source does not
8896765a
RB		 2852 use "%-p" or "%-<number>p" or "%<number>p" formats.
2853 These formats will still work in perl code.
2854 See comments in sv.c for futher details.
2855
2856 -DvdNUMBER=<number> can be used to redefine VDf
2857
2858 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
2859 which works properly but gives compiler warnings
2860
2861 Robin Barker 2005-07-14
0dbb1585 2862*/
8896765a
RB		 2863
2864#ifndef SVf_
63ce7bf0 2865# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 2866#endif
2867
8896765a 2868#ifndef SVf
104abab4 2869# define SVf "-p"
d2560b70
RB		 2870#endif
2871
014ead4b 2872#ifndef SVf32
8896765a 2873# define SVf32 SVf_(32)
014ead4b
RB		 2874#endif
2875
2876#ifndef SVf256
8896765a
RB		 2877# define SVf256 SVf_(256)
2878#endif
2879
2880#ifndef vdNUMBER
2881# define vdNUMBER 1
2882#endif
2883
2884#ifndef VDf
2885# if vdNUMBER
63ce7bf0 2886# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB		 2887# else
2888# define VDf "vd"
2889# endif
014ead4b
RB		 2890#endif
2891
2892#ifndef UVf
2893# define UVf UVuf
d2560b70
RB		 2894#endif
2895
0dbb1585
AL		 2896#ifdef HASATTRIBUTE_FORMAT
2897# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2898#endif
2899#ifdef HASATTRIBUTE_MALLOC
77785eea 2900# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 2901#endif
0dbb1585 2902#ifdef HASATTRIBUTE_NONNULL
abb2c242 2903# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2904#endif
0dbb1585 2905#ifdef HASATTRIBUTE_NORETURN
abb2c242 2906# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2907#endif
0dbb1585 2908#ifdef HASATTRIBUTE_PURE
abb2c242 2909# define __attribute__pure__ __attribute__((pure))
f22be1b8 2910#endif
0dbb1585
AL		 2911#ifdef HASATTRIBUTE_UNUSED
2912# define __attribute__unused__ __attribute__((unused))
2913#endif
2914#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2915# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 2916#endif
2917
0dbb1585
AL		 2918/* If we haven't defined the attributes yet, define them to blank. */
2919#ifndef __attribute__format__
2920# define __attribute__format__(x,y,z)
2921#endif
f22be1b8 2922#ifndef __attribute__malloc__
abb2c242 2923# define __attribute__malloc__
f22be1b8
JH		 2924#endif
2925#ifndef __attribute__nonnull__
abb2c242 2926# define __attribute__nonnull__(a)
f22be1b8
JH		 2927#endif
2928#ifndef __attribute__noreturn__
abb2c242 2929# define __attribute__noreturn__
f22be1b8
JH		 2930#endif
2931#ifndef __attribute__pure__
abb2c242 2932# define __attribute__pure__
f22be1b8 2933#endif
0dbb1585
AL		 2934#ifndef __attribute__unused__
2935# define __attribute__unused__
2936#endif
f22be1b8 2937#ifndef __attribute__warn_unused_result__
abb2c242
JH		 2938# define __attribute__warn_unused_result__
2939#endif
2940
0dbb1585
AL		 2941/* For functions that are marked as __attribute__noreturn__, it's not
2942 appropriate to call return. In either case, include the lint directive.
2943 */
2944#ifdef HASATTRIBUTE_NORETURN
2945# define NORETURN_FUNCTION_END /* NOT REACHED */
2946#else
2947# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH		 2948#endif
2949
3fc1aec6 2950/* Some unistd.h's give a prototype for pause() even though
2951 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2952 below to be rejected by the compiler. Sigh.
3fc1aec6 2953*/
2954#ifdef HAS_PAUSE
2955#define Pause pause
2956#else
2957#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2958#endif
2959
2960#ifndef IOCPARM_LEN
2961# ifdef IOCPARM_MASK
2962 /* on BSDish systes we're safe */
2963# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2964# else
2965 /* otherwise guess at what's safe */
2966# define IOCPARM_LEN(x) 256
2967# endif
a0d0e21e
LW		 2968#endif
2969
1761cee5 2970#if defined(__CYGWIN__)
521e0776
GS		 2971/* USEMYBINMODE
2972 * This symbol, if defined, indicates that the program should
16fe6d59 2973 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2974 * that a file is in "binary" mode -- that is, that no translation
2975 * of bytes occurs on read or write operations.
2976 */
36894f0b 2977# define USEMYBINMODE /**/
77a40698 2978# include <io.h> /* for setmode() prototype */
16fe6d59 2979# define my_binmode(fp, iotype, mode) \
77a40698 2980 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2981#endif
2982
88d10794
JH		 2983#ifdef __CYGWIN__
2984void init_os_extras(void);
2985#endif
2986
cea2e8a9
GS		 2987#ifdef UNION_ANY_DEFINITION
2988UNION_ANY_DEFINITION;
2989#else
2990union any {
2991 void* any_ptr;
2992 I32 any_i32;
2993 IV any_iv;
2994 long any_long;
9febdf04 2995 bool any_bool;
c76ac1ee 2996 void (*any_dptr) (void*);
acfe0abc 2997 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2998};
2999#endif
3000
acfe0abc 3001typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3002
3003#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3004#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3005#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3006
c5078cac
JH		 3007#if defined(_AIX) && !defined(_AIX43)
3008#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3009/* We cannot include <crypt.h> to get the struct crypt_data
3010 * because of setkey prototype problems when threading */
3011typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3012 /* From OSF, Not needed in AIX
3013 char C[28], D[28];
3014 */
3015 char E[48];
3016 char KS[16][48];
3017 char block[66];
3018 char iobuf[16];
3019} CRYPTD;
3020#endif /* threading */
3021#endif /* AIX */
3022
af8b425d 3023#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3024# include "iperlsys.h"
3025#endif
504f80c1 3026
d10dc2ae
JH		 3027/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3028 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3029 * defined by Configure, despite their names being similar to the
3030 * other defines like USE_ITHREADS. Configure in fact knows nothing
3031 * about the randomised hashes. Therefore to enable/disable the hash
3032 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3033#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3034# define USE_HASH_SEED
504f80c1
JH		 3035#endif
3036
378cc40b 3037#include "regexp.h"
79072805 3038#include "sv.h"
378cc40b 3039#include "util.h"
8d063cd8 3040#include "form.h"
79072805 3041#include "gv.h"
dd2155a4 3042#include "pad.h"
79072805 3043#include "cv.h"
abdd5c84 3044#include "opnames.h"
79072805
LW		 3045#include "op.h"
3046#include "cop.h"
3047#include "av.h"
3048#include "hv.h"
3049#include "mg.h"
3050#include "scope.h"
4438c4b7 3051#include "warnings.h"
a0ed51b3 3052#include "utf8.h"
8d063cd8 3053
7fae4e64
GS		 3054/* Current curly descriptor */
3055typedef struct curcur CURCUR;
3056struct curcur {
3057 int parenfloor; /* how far back to strip paren data */
3058 int cur; /* how many instances of scan we've matched */
3059 int min; /* the minimal number of scans to match */
3060 int max; /* the maximal number of scans to match */
3061 int minmod; /* whether to work our way up or down */
3062 regnode * scan; /* the thing to match */
3063 regnode * next; /* what has to match after it */
3064 char * lastloc; /* where we started matching this scan */
3065 CURCUR * oldcc; /* current curly before we started this one */
3066};
3067
3068typedef struct _sublex_info SUBLEXINFO;
3069struct _sublex_info {
3070 I32 super_state; /* lexer state to save */
3071 I32 sub_inwhat; /* "lex_inwhat" to use */
3072 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 3073 char *super_bufptr; /* PL_bufptr that was */
3074 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 3075};
3076
455ece5e 3077typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3078
2c2d71f5 3079struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3080struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 3081
3082typedef I32 CHECKPOINT;
76e3520e 3083
6f51351d
NC		 3084/* Keep next first in this structure, because sv_free_arenas take
3085 advantage of this to share code between the pte arenas and the SV
3086 body arenas */
5f7fde29
GS		 3087struct ptr_tbl_ent {
3088 struct ptr_tbl_ent* next;
53c1dcc0 3089 const void* oldval;
5f7fde29 3090 void* newval;
d18c6117
GS		 3091};
3092
5f7fde29
GS		 3093struct ptr_tbl {
3094 struct ptr_tbl_ent** tbl_ary;
3095 UV tbl_max;
3096 UV tbl_items;
d18c6117
GS		 3097};
3098
450a55e4 3099#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3100# define I286
3101#endif
3102
fe14fcc3
LW		 3103#if defined(htonl) && !defined(HAS_HTONL)
3104#define HAS_HTONL
ae986130 3105#endif
fe14fcc3
LW		 3106#if defined(htons) && !defined(HAS_HTONS)
3107#define HAS_HTONS
ae986130 3108#endif
fe14fcc3
LW		 3109#if defined(ntohl) && !defined(HAS_NTOHL)
3110#define HAS_NTOHL
ae986130 3111#endif
fe14fcc3
LW		 3112#if defined(ntohs) && !defined(HAS_NTOHS)
3113#define HAS_NTOHS
ae986130 3114#endif
fe14fcc3 3115#ifndef HAS_HTONL
d9d8d8de 3116#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3117#define HAS_HTONS
3118#define HAS_HTONL
3119#define HAS_NTOHS
3120#define HAS_NTOHL
a687059c
LW		 3121#define MYSWAP
3122#define htons my_swap
3123#define htonl my_htonl
3124#define ntohs my_swap
3125#define ntohl my_ntohl
3126#endif
3127#else
d9d8d8de 3128#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3129#undef HAS_HTONS
3130#undef HAS_HTONL
3131#undef HAS_NTOHS
3132#undef HAS_NTOHL
a687059c
LW		 3133#endif
3134#endif
3135
988174c1
LW		 3136/*
3137 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3138 * -DWS
3139 */
3140#if BYTEORDER != 0x1234
3141# define HAS_VTOHL
3142# define HAS_VTOHS
3143# define HAS_HTOVL
3144# define HAS_HTOVS
c67712b2 3145# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3146# define vtohl(x) ((((x)&0xFF)<<24) \
3147 +(((x)>>24)&0xFF) \
3148 +(((x)&0x0000FF00)<<8) \
3149 +(((x)&0x00FF0000)>>8) )
3150# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3151# define htovl(x) vtohl(x)
3152# define htovs(x) vtohs(x)
3153# endif
3154 /* otherwise default to functions in util.c */
2a8c3029 3155#ifndef htovs
c623ac67
GS		 3156short htovs(short n);
3157short vtohs(short n);
3158long htovl(long n);
3159long vtohl(long n);
988174c1 3160#endif
2a8c3029 3161#endif
988174c1 3162
3bb7c1b4
JH		 3163/* *MAX Plus 1. A floating point value.
3164 Hopefully expressed in a way that dodgy floating point can't mess up.
3165 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3166 is added to it
3167 May find that some broken compiler will want the value cast to I32.
3168 [after the shift, as signed >> may not be as secure as unsigned >>]
3169*/
3170#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3171#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3172/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3173 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3174 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3175*/
3176#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3177
3bb7c1b4
JH		 3178#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3179#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3180#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3181
3182/* This may look like unnecessary jumping through hoops, but converting
3183 out of range floating point values to integers *is* undefined behaviour,
3184 and it is starting to bite.
3185*/
3186#ifndef CAST_INLINE
65202027 3187#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3188#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3189#define I_V(what) (cast_iv((NV)(what)))
3190#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3191#else
3192#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3193 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3194 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3195#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3196 : ((n) < U32_MAX_P1 ? (U32) (n) \
3197 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3198#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3199 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3200 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3201#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3202 : ((n) < UV_MAX_P1 ? (UV) (n) \
3203 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3204#endif
3205
3206#define U_S(what) ((U16)U_32(what))
3207#define U_I(what) ((unsigned int)U_32(what))
3208#define U_L(what) U_32(what)
ed6116ce 3209
2d4389e4
JH		 3210/* These do not care about the fractional part, only about the range. */
3211#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3212#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3213
25da4f38
IZ		 3214/* Used with UV/IV arguments: */
3215 /* XXXX: need to speed it up */
3216#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3217#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3218
352d5a3a
LW		 3219#ifndef MAXSYSFD
3220# define MAXSYSFD 2
3221#endif
ee0007ab 3222
79072805 3223#ifndef __cplusplus
27da23d5 3224#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3225Uid_t getuid (void);
3226Uid_t geteuid (void);
3227Gid_t getgid (void);
3228Gid_t getegid (void);
79072805 3229#endif
e1caacb4 3230#endif
8d063cd8 3231
0c30d9ec 3232#ifndef Perl_debug_log
bf49b057
GS		 3233# define Perl_debug_log PerlIO_stderr()
3234#endif
3235
3236#ifndef Perl_error_log
3237# define Perl_error_log (PL_stderrgv \
6b78add2 3238 && isGV(PL_stderrgv) \
01bb7c6d 3239 && GvIOp(PL_stderrgv) \
42de951c 3240 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3241 ? IoOFP(GvIOp(PL_stderrgv)) \
3242 : PerlIO_stderr())
0c30d9ec 3243#endif
3967c732 3244
aea4f609
DM		 3245
3246#define DEBUG_p_FLAG 0x00000001 /* 1 */
3247#define DEBUG_s_FLAG 0x00000002 /* 2 */
3248#define DEBUG_l_FLAG 0x00000004 /* 4 */
3249#define DEBUG_t_FLAG 0x00000008 /* 8 */
3250#define DEBUG_o_FLAG 0x00000010 /* 16 */
3251#define DEBUG_c_FLAG 0x00000020 /* 32 */
3252#define DEBUG_P_FLAG 0x00000040 /* 64 */
3253#define DEBUG_m_FLAG 0x00000080 /* 128 */
3254#define DEBUG_f_FLAG 0x00000100 /* 256 */
3255#define DEBUG_r_FLAG 0x00000200 /* 512 */
3256#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3257#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 3258 /* spare */
aea4f609
DM		 3259#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3260#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3261#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3262#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3263#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3264#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3265#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3266#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3267#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3268#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3269#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3270#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3271
3272#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3273#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3274 that something was done? */
aea4f609 3275
bd16a5f0
IZ		 3276# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3277# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3278# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3279# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3280# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3281# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3282# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3283# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3284# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3285# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3286# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3287# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 3288# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3289# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3290# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3291# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3292# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3293# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3294# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3295# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3296# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3297# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3298# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3299# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3300
3967c732 3301#ifdef DEBUGGING
aea4f609 3302
bd16a5f0
IZ		 3303# define DEBUG_p_TEST DEBUG_p_TEST_
3304# define DEBUG_s_TEST DEBUG_s_TEST_
3305# define DEBUG_l_TEST DEBUG_l_TEST_
3306# define DEBUG_t_TEST DEBUG_t_TEST_
3307# define DEBUG_o_TEST DEBUG_o_TEST_
3308# define DEBUG_c_TEST DEBUG_c_TEST_
3309# define DEBUG_P_TEST DEBUG_P_TEST_
3310# define DEBUG_m_TEST DEBUG_m_TEST_
3311# define DEBUG_f_TEST DEBUG_f_TEST_
3312# define DEBUG_r_TEST DEBUG_r_TEST_
3313# define DEBUG_x_TEST DEBUG_x_TEST_
3314# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 3315# define DEBUG_H_TEST DEBUG_H_TEST_
3316# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3317# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3318# define DEBUG_D_TEST DEBUG_D_TEST_
3319# define DEBUG_S_TEST DEBUG_S_TEST_
3320# define DEBUG_T_TEST DEBUG_T_TEST_
3321# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3322# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3323# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3324# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3325# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3326# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3327
488b0c7a
JH		 3328# define PERL_DEB(a) a
3329# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3330# define DEBUG_p(a) if (DEBUG_p_TEST) a
3331# define DEBUG_s(a) if (DEBUG_s_TEST) a
3332# define DEBUG_l(a) if (DEBUG_l_TEST) a
3333# define DEBUG_t(a) if (DEBUG_t_TEST) a
3334# define DEBUG_o(a) if (DEBUG_o_TEST) a
3335# define DEBUG_c(a) if (DEBUG_c_TEST) a
3336# define DEBUG_P(a) if (DEBUG_P_TEST) a
3337
969058bb
VK		 3338 /* Temporarily turn off memory debugging in case the a
3339 * does memory allocation, either directly or indirectly. */
acfe0abc 3340# define DEBUG_m(a) \
0b250b9e 3341 STMT_START { \
aea4f609 3342 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3343 } STMT_END
aea4f609 3344
5f80b19c
AMS		 3345# define DEBUG__(t, a) \
3346 STMT_START { \
3347 if (t) STMT_START {a;} STMT_END; \
3348 } STMT_END
3349
3350# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3351# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3352# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3353# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 3354# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3355# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3356# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3357# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3358
3db8f154 3359# define DEBUG_S(a)
aea4f609 3360
5f80b19c
AMS		 3361# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3362# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3363# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3364# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3365# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3366# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3367
3368#else /* DEBUGGING */
3369
3370# define DEBUG_p_TEST (0)
3371# define DEBUG_s_TEST (0)
3372# define DEBUG_l_TEST (0)
3373# define DEBUG_t_TEST (0)
3374# define DEBUG_o_TEST (0)
3375# define DEBUG_c_TEST (0)
3376# define DEBUG_P_TEST (0)
3377# define DEBUG_m_TEST (0)
3378# define DEBUG_f_TEST (0)
3379# define DEBUG_r_TEST (0)
3380# define DEBUG_x_TEST (0)
3381# define DEBUG_u_TEST (0)
aea4f609
DM		 3382# define DEBUG_H_TEST (0)
3383# define DEBUG_X_TEST (0)
dd2155a4 3384# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3385# define DEBUG_D_TEST (0)
3386# define DEBUG_S_TEST (0)
3387# define DEBUG_T_TEST (0)
04932ac8 3388# define DEBUG_R_TEST (0)
1045810a 3389# define DEBUG_J_TEST (0)
d6721266 3390# define DEBUG_v_TEST (0)
46187eeb 3391# define DEBUG_C_TEST (0)
ecae49c0
NC		 3392# define DEBUG_A_TEST (0)
3393# define DEBUG_q_TEST (0)
aea4f609 3394
488b0c7a
JH		 3395# define PERL_DEB(a)
3396# define PERL_DEBUG(a)
aea4f609
DM		 3397# define DEBUG_p(a)
3398# define DEBUG_s(a)
3399# define DEBUG_l(a)
3400# define DEBUG_t(a)
3401# define DEBUG_o(a)
3402# define DEBUG_c(a)
3403# define DEBUG_P(a)
3404# define DEBUG_m(a)
3405# define DEBUG_f(a)
3406# define DEBUG_r(a)
3407# define DEBUG_x(a)
3408# define DEBUG_u(a)
aea4f609
DM		 3409# define DEBUG_H(a)
3410# define DEBUG_X(a)
dd2155a4 3411# define DEBUG_Xv(a)
aea4f609
DM		 3412# define DEBUG_D(a)
3413# define DEBUG_S(a)
3414# define DEBUG_T(a)
04932ac8 3415# define DEBUG_R(a)
d6721266 3416# define DEBUG_v(a)
46187eeb 3417# define DEBUG_C(a)
ecae49c0
NC		 3418# define DEBUG_A(a)
3419# define DEBUG_q(a)
aea4f609
DM		 3420#endif /* DEBUGGING */
3421
3422
b4ab917c
DM		 3423#define DEBUG_SCOPE(where) \
3424 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3425 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3426
3427
3428
3429
d1be9408 3430/* These constants should be used in preference to raw characters
14befaf4
DM		 3431 * when using magic. Note that some perl guts still assume
3432 * certain character properties of these constants, namely that
3433 * isUPPER() and toLOWER() may do useful mappings.
3434 *
3435 * Update the magic_names table in dump.c when adding/amending these
3436 */
3437
3438#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3439#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3440#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3441#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3442#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3443#define PERL_MAGIC_regdata 'D' /* Regex match position data
3444 (@+ and @- vars) */
3445#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3446#define PERL_MAGIC_env 'E' /* %ENV hash */
3447#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3448#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3449#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3450#define PERL_MAGIC_isa 'I' /* @ISA array */
3451#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3452#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3453#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3454#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3455#define PERL_MAGIC_mutex 'm' /* for lock op */
3456#define PERL_MAGIC_shared 'N' /* Shared between threads */
3457#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3458#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3459#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3460#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3461#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3462#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3463#define PERL_MAGIC_sig 'S' /* %SIG hash */
3464#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3465#define PERL_MAGIC_taint 't' /* Taintedness */
3466#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3467#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3468#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3469#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3470#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3471#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3472#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3473 smart parameter vivification */
3474#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3475#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3476#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3477#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3478#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3479#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3480#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3481#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3482
3483
a6e633de 3484#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3485#define assert(what) PERL_DEB( \
3486 ((what) ? ((void) 0) : \
60b9f5a7
NC		 3487 (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \
3488 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284
NC		 3489 PerlProc_exit(1), \
3490 (void) 0)))
a446a88f 3491#endif
8d063cd8 3492
450a55e4 3493struct ufuncs {
24f81a43
DM		 3494 I32 (*uf_val)(pTHX_ IV, SV*);
3495 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3496 IV uf_index;
450a55e4
LW		 3497};
3498
14befaf4 3499/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3500 * XS code wanting to be backward compatible can do something
3501 * like the following:
c745e42c 3502
24f81a43 3503#ifndef PERL_MG_UFUNC
24f81a43
DM		 3504#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3505#endif
3506
3507static PERL_MG_UFUNC(foo_get, index, val)
3508{
3509 sv_setsv(val, ...);
3510 return TRUE;
3511}
3512
3513-- Doug MacEachern
3514
3515*/
3516
fc9c74e6 3517#ifndef PERL_MG_UFUNC
24f81a43 3518#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3519#endif
24f81a43 3520
fe14fcc3 3521/* Fix these up for __STDC__ */
68dc0745 3522#ifndef DONT_DECLARE_STD
20ce7b12 3523char *mktemp (char*);
37bd1396 3524#ifndef atof
20ce7b12 3525double atof (const char*);
a0d0e21e 3526#endif
37bd1396 3527#endif
79072805 3528
352d5a3a 3529#ifndef STANDARD_C
fe14fcc3 3530/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3531Time_t time();
8d063cd8 3532struct tm *gmtime(), *localtime();
092bebab 3533#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3534char *(strchr)(), *(strrchr)();
3535char *(strcpy)(), *(strcat)();
3536#else
93a17b20 3537char *strchr(), *strrchr();
378cc40b 3538char *strcpy(), *strcat();
9d116dd7 3539#endif
352d5a3a 3540#endif /* ! STANDARD_C */
8d063cd8 3541
79072805
LW		 3542
3543#ifdef I_MATH
3544# include <math.h>
3545#else
32f822de 3546START_EXTERN_C
20ce7b12
GS		 3547 double exp (double);
3548 double log (double);
3549 double log10 (double);
3550 double sqrt (double);
3551 double frexp (double,int*);
3552 double ldexp (double,int);
3553 double modf (double,double*);
3554 double sin (double);
3555 double cos (double);
3556 double atan2 (double,double);
3557 double pow (double,double);
32f822de 3558END_EXTERN_C
79072805
LW		 3559#endif
3560
aa8b85de
JH		 3561#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3562# define NV_INF LDBL_INFINITY
3563#endif
3564#if !defined(NV_INF) && defined(DBL_INFINITY)
3565# define NV_INF (NV)DBL_INFINITY
3566#endif
3567#if !defined(NV_INF) && defined(INFINITY)
3568# define NV_INF (NV)INFINITY
3569#endif
3570#if !defined(NV_INF) && defined(INF)
3571# define NV_INF (NV)INF
3572#endif
3573#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3574# define NV_INF (NV)HUGE_VALL
3575#endif
3576#if !defined(NV_INF) && defined(HUGE_VAL)
3577# define NV_INF (NV)HUGE_VAL
3578#endif
3579
3580#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3581# if !defined(NV_NAN) && defined(LDBL_NAN)
3582# define NV_NAN LDBL_NAN
3583# endif
3584# if !defined(NV_NAN) && defined(LDBL_QNAN)
3585# define NV_NAN LDBL_QNAN
3586# endif
3587# if !defined(NV_NAN) && defined(LDBL_SNAN)
3588# define NV_NAN LDBL_SNAN
3589# endif
3590#endif
3591#if !defined(NV_NAN) && defined(DBL_NAN)
3592# define NV_NAN (NV)DBL_NAN
3593#endif
3594#if !defined(NV_NAN) && defined(DBL_QNAN)
3595# define NV_NAN (NV)DBL_QNAN
3596#endif
3597#if !defined(NV_NAN) && defined(DBL_SNAN)
3598# define NV_NAN (NV)DBL_SNAN
3599#endif
3600#if !defined(NV_NAN) && defined(QNAN)
3601# define NV_NAN (NV)QNAN
3602#endif
3603#if !defined(NV_NAN) && defined(SNAN)
3604# define NV_NAN (NV)SNAN
3605#endif
3606#if !defined(NV_NAN) && defined(NAN)
3607# define NV_NAN (NV)NAN
3608#endif
3609
a0d0e21e 3610#ifndef __cplusplus
8f1f23e8 3611# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3612char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3613# else
fd8cd3a3 3614# if !defined(WIN32) && !defined(VMS)
10bc17b6 3615#ifndef crypt
20ce7b12 3616char *crypt (const char*, const char*);
10bc17b6 3617#endif
5014db98 3618# endif /* !WIN32 */
8f1f23e8 3619# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3620# ifndef DONT_DECLARE_STD
3621# ifndef getenv
20ce7b12 3622char *getenv (const char*);
26618a56 3623# endif /* !getenv */
28ca6303 3624# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3625# ifdef _FILE_OFFSET_BITS
28ca6303 3626# if _FILE_OFFSET_BITS == 64
20ce7b12 3627Off_t lseek (int,Off_t,int);
0fc67700
JH		 3628# endif
3629# endif
bf0c440f 3630# endif
26618a56 3631# endif /* !DONT_DECLARE_STD */
10bc17b6 3632#ifndef getlogin
20ce7b12 3633char *getlogin (void);
10bc17b6 3634#endif
26618a56 3635#endif /* !__cplusplus */
79072805 3636
7a7fd8e0
JM		 3637/* Fixme on VMS. This needs to be a run-time, not build time options */
3638/* Also rename() is affected by this */
16d20bd9 3639#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3640#define UNLINK unlnk
6e732051 3641I32 unlnk (const char*);
8d063cd8 3642#else
80252599 3643#define UNLINK PerlLIO_unlink
8d063cd8 3644#endif
a687059c 3645
fa0a29af
JH		 3646/* some versions of glibc are missing the setresuid() proto */
3647#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3648int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3649#endif
fa0a29af
JH		 3650/* some versions of glibc are missing the setresgid() proto */
3651#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3652int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3653#endif
3654
fe14fcc3 3655#ifndef HAS_SETREUID
85e6fe83
LW		 3656# ifdef HAS_SETRESUID
3657# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3658# define HAS_SETREUID
3659# endif
a687059c 3660#endif
fe14fcc3 3661#ifndef HAS_SETREGID
85e6fe83
LW		 3662# ifdef HAS_SETRESGID
3663# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3664# define HAS_SETREGID
3665# endif
a687059c 3666#endif
ee0007ab 3667
d543acb6 3668/* Sighandler_t defined in iperlsys.h */
ff68c719 3669
3670#ifdef HAS_SIGACTION
3671typedef struct sigaction Sigsave_t;
3672#else
3673typedef Sighandler_t Sigsave_t;
3674#endif
3675
ee0007ab
LW		 3676#define SCAN_DEF 0
3677#define SCAN_TR 1
3678#define SCAN_REPL 2
79072805
LW		 3679
3680#ifdef DEBUGGING
4633a7c4 3681# ifndef register
a0d0e21e
LW		 3682# define register
3683# endif
cea2e8a9 3684# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3685#else
cea2e8a9 3686# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3687#endif
3688
18f739ee 3689#ifdef MYMALLOC
772fe5b3 3690# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3691# define MALLOC_INIT \
3692 STMT_START { \
3693 PL_malloc_mutex = NULL; \
3694 MUTEX_INIT(&PL_malloc_mutex); \
3695 } STMT_END
3696# define MALLOC_TERM \
3697 STMT_START { \
3698 perl_mutex tmp = PL_malloc_mutex; \
3699 PL_malloc_mutex = NULL; \
3700 MUTEX_DESTROY(&tmp); \
3701 } STMT_END
3702# else
3703# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3704# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3705# endif
18f739ee
IZ		 3706#else
3707# define MALLOC_INIT
3708# define MALLOC_TERM
3709#endif
3710
b6d9d515 3711
0cb96387 3712typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3713typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3714typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3715typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3716
940cb80d 3717/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3718#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3719
8f1f23e8
W		 3720/* NeXT has problems with crt0.o globals */
3721#if defined(__DYNAMIC__) && \
6239f2da 3722 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3723# if defined(NeXT) || defined(__NeXT)
3724# include <mach-o/dyld.h>
3725# define environ (*environ_pointer)
0c30d9ec 3726EXT char *** environ_pointer;
8f1f23e8 3727# else
6239f2da 3728# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3729# include <crt_externs.h> /* for the env array */
3730# define environ (*_NSGetEnviron())
3731# endif
0c30d9ec 3732# endif
8f1f23e8
W		 3733#else
3734 /* VMS and some other platforms don't use the environ array */
13b6e58c 3735# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3736# if !defined(DONT_DECLARE_STD) || \
3737 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3738 defined(__sgi) || \
d460ef45 3739 defined(__DGUX)
8f1f23e8 3740extern char ** environ; /* environment variables supplied via exec */
a6c40364 3741# endif
8f1f23e8
W		 3742# endif
3743#endif
79072805 3744
73c4f7a1
GS		 3745START_EXTERN_C
3746
79072805 3747/* handy constants */
22c35a8c 3748EXTCONST char PL_warn_uninit[]
29489e7c 3749 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3750EXTCONST char PL_warn_nosemi[]
463ee0b2 3751 INIT("Semicolon seems to be missing");
22c35a8c 3752EXTCONST char PL_warn_reserved[]
463ee0b2 3753 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3754EXTCONST char PL_warn_nl[]
93a17b20 3755 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3756EXTCONST char PL_no_wrongref[]
a0d0e21e 3757 INIT("Can't use %s ref as %s ref");
22c35a8c 3758EXTCONST char PL_no_symref[]
748a9306 3759 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3760EXTCONST char PL_no_symref_sv[]
014ead4b 3761 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3762EXTCONST char PL_no_usym[]
8990e307 3763 INIT("Can't use an undefined value as %s reference");
22c35a8c 3764EXTCONST char PL_no_aelem[]
93a17b20 3765 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC		 3766EXTCONST char PL_no_helem_sv[]
3767 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3768EXTCONST char PL_no_modify[]
93a17b20 3769 INIT("Modification of a read-only value attempted");
22c35a8c 3770EXTCONST char PL_no_mem[]
93a17b20 3771 INIT("Out of memory!\n");
22c35a8c 3772EXTCONST char PL_no_security[]
463ee0b2 3773 INIT("Insecure dependency in %s%s");
22c35a8c 3774EXTCONST char PL_no_sock_func[]
93a17b20 3775 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3776EXTCONST char PL_no_dir_func[]
93a17b20 3777 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3778EXTCONST char PL_no_func[]
93a17b20 3779 INIT("The %s function is unimplemented");
22c35a8c 3780EXTCONST char PL_no_myglob[]
748a9306 3781 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3782EXTCONST char PL_no_localize_ref[]
3783 INIT("Can't localize through a reference");
27d5b266
JH		 3784#ifdef PERL_MALLOC_WRAP
3785EXTCONST char PL_memory_wrap[]
3786 INIT("panic: memory wrap");
3787#endif
93a17b20 3788
7575fa06 3789EXTCONST char PL_uuemap[65]
80252599
GS		 3790 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3791
3792
79072805 3793#ifdef DOINIT
27da23d5
JH		 3794EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3795EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3796#else
27da23d5
JH		 3797EXTCONST char* const PL_sig_name[];
3798EXTCONST int PL_sig_num[];
79072805
LW		 3799#endif
3800
3bd709b1 3801/* fast conversion and case folding tables */
bbce6d69 3802
79072805 3803#ifdef DOINIT
9d116dd7 3804#ifdef EBCDIC
27da23d5 3805EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3806 0, 1, 2, 3, 4, 5, 6, 7,
3807 8, 9, 10, 11, 12, 13, 14, 15,
3808 16, 17, 18, 19, 20, 21, 22, 23,
3809 24, 25, 26, 27, 28, 29, 30, 31,
3810 32, 33, 34, 35, 36, 37, 38, 39,
3811 40, 41, 42, 43, 44, 45, 46, 47,
3812 48, 49, 50, 51, 52, 53, 54, 55,
3813 56, 57, 58, 59, 60, 61, 62, 63,
3814 64, 65, 66, 67, 68, 69, 70, 71,
3815 72, 73, 74, 75, 76, 77, 78, 79,
3816 80, 81, 82, 83, 84, 85, 86, 87,
3817 88, 89, 90, 91, 92, 93, 94, 95,
3818 96, 97, 98, 99, 100, 101, 102, 103,
3819 104, 105, 106, 107, 108, 109, 110, 111,
3820 112, 113, 114, 115, 116, 117, 118, 119,
3821 120, 121, 122, 123, 124, 125, 126, 127,
3822 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3823 'H', 'I', 138, 139, 140, 141, 142, 143,