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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
54ca4ee7 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH		 51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS		 58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS		 62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
JH		 66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
27da23d5
JH		 72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
JH		 78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
026fd48b
GH		 84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
27da23d5
JH		 90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH		 97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 114# define USE_REENTRANT_API
115#endif
116
ac6bedea
JH		 117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH		 120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
27da23d5
JH		 130#ifdef PERL_GLOBAL_STRUCT
131# ifndef PERL_GET_VARS
132# ifdef PERL_GLOBAL_STRUCT_PRIVATE
133 extern struct perl_vars* Perl_GetVarsPrivate();
134# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
135# ifndef PERLIO_FUNCS_CONST
136# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
137# endif
138# else
139# define PERL_GET_VARS() PL_VarsPtr
140# endif
141# endif
142#endif
143
7a89be66 144#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 145
146#ifdef PERL_GLOBAL_STRUCT
147# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
148#else
149# define dVAR dNOOP
150#endif
151
c5be433b 152#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 153# ifndef MULTIPLICITY
154# define MULTIPLICITY
c5be433b 155# endif
e8dda941 156# define tTHX PerlInterpreter*
5ba4cab2 157# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 158# define aTHX my_perl
27da23d5 159# ifdef PERL_GLOBAL_STRUCT
e8dda941 160# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 161# else
e8dda941 162# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 163# endif
164# ifdef PERL_GLOBAL_STRUCT
165# define dTHX dVAR; pTHX = PERL_GET_THX
166# else
167# define dTHX pTHX = PERL_GET_THX
168# endif
c5be433b 169# define pTHX_ pTHX,
c5be433b 170# define aTHX_ aTHX,
4373e329 171# define pTHX_1 2
894356b3
GS		 172# define pTHX_2 3
173# define pTHX_3 4
174# define pTHX_4 5
4373e329
AL		 175# define pTHX_5 6
176# define pTHX_6 7
a3b680e6
AL		 177# define pTHX_7 8
178# define pTHX_8 9
179# define pTHX_9 10
e8dda941
JD		 180# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
181# define PERL_TRACK_MEMPOOL
182# endif
183#else
184# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 185#endif
186
76e3520e
GS		 187#define STATIC static
188#define CPERLscope(x) x
565764a8 189#define CPERLarg void
76e3520e 190#define CPERLarg_
e3b8966e 191#define _CPERLarg
1d583055
GS		 192#define PERL_OBJECT_THIS
193#define _PERL_OBJECT_THIS
194#define PERL_OBJECT_THIS_
312caa8e 195#define CALL_FPTR(fptr) (*fptr)
76e3520e 196
312caa8e
CS		 197#define CALLRUNOPS CALL_FPTR(PL_runops)
198#define CALLREGCOMP CALL_FPTR(PL_regcompp)
199#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 200#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
201#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
202#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 203
5ba4cab2
SH		 204/*
205 * Because of backward compatibility reasons the PERL_UNUSED_DECL
206 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
207 *
208 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 209 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 210 * marking unused variables (they need e.g. a #pragma) and therefore
211 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
212 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
213 *
214 */
1266ad8c 215
9969cdde 216#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 217# ifdef __cplusplus
5ba4cab2 218# define PERL_UNUSED_DECL
5b2bd0a5 219# else
5ba4cab2 220# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 221# endif
222#endif
44dbb695 223
5b2bd0a5 224#ifndef PERL_UNUSED_DECL
34659ad4 225# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 226# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 227# else
5ba4cab2 228# define PERL_UNUSED_DECL
b79c357a 229# endif
5b2bd0a5
AMS		 230#endif
231
349b520e
DM		 232/* gcc -Wall:
233 * for silencing unused variables that are actually used most of the time,
a0288114 234 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 235 */
53c1dcc0 236#ifndef PERL_UNUSED_ARG
c99ffe5e 237# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 238# include <note.h>
53c1dcc0 239# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 240# else
53c1dcc0 241# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 242# endif
243#endif
53c1dcc0
AL		 244#ifndef PERL_UNUSED_VAR
245# define PERL_UNUSED_VAR(x) ((void)x)
246#endif
ad73156c 247
96a5add6
AL		 248#ifdef USE_ITHREADS
249# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
250#else
251# define PERL_UNUSED_CONTEXT
252#endif
253
6f207bd3
AL		 254#define NOOP /*EMPTY*/(void)0
255#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
71be2cbc 256
0cb96387 257#ifndef pTHX
e8dda941
JD		 258/* Don't bother defining tTHX and sTHX; using them outside
259 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
260 */
0cb96387
GS		 261# define pTHX void
262# define pTHX_
0cb96387
GS		 263# define aTHX
264# define aTHX_
0cb96387
GS		 265# define dTHXa(a) dNOOP
266# define dTHX dNOOP
894356b3
GS		 267# define pTHX_1 1
268# define pTHX_2 2
269# define pTHX_3 3
270# define pTHX_4 4
3d42dc86
RGS		 271# define pTHX_5 5
272# define pTHX_6 6
a3b680e6
AL		 273# define pTHX_7 7
274# define pTHX_8 8
275# define pTHX_9 9
0cb96387
GS		 276#endif
277
27da23d5
JH		 278#ifndef dVAR
279# define dVAR dNOOP
280#endif
281
b4f7f263
GS		 282/* these are only defined for compatibility; should not be used internally */
283#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 284# define pTHXo pTHX
285# define pTHXo_ pTHX_
0cb96387
GS		 286# define aTHXo aTHX
287# define aTHXo_ aTHX_
c5be433b 288# define dTHXo dTHX
71d280e3 289# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 290#endif
291
292#ifndef pTHXx
293# define pTHXx register PerlInterpreter *my_perl
294# define pTHXx_ pTHXx,
0cb96387
GS		 295# define aTHXx my_perl
296# define aTHXx_ aTHXx,
c5be433b 297# define dTHXx dTHX
22c35a8c 298#endif
71be2cbc 299
1de7c2ac
GS		 300/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
301 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
302 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
303#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 304# ifdef PERL_GLOBAL_STRUCT_PRIVATE
305# define dTHXs dVAR; dTHX
306# else
307# define dTHXs dTHX
308# endif
1de7c2ac 309#else
27da23d5
JH		 310# ifdef PERL_GLOBAL_STRUCT_PRIVATE
311# define dTHXs dVAR
312# else
313# define dTHXs dNOOP
314# endif
1de7c2ac
GS		 315#endif
316
326b05e3
GS		 317#undef START_EXTERN_C
318#undef END_EXTERN_C
319#undef EXTERN_C
32f822de
GS		 320#ifdef __cplusplus
321# define START_EXTERN_C extern "C" {
322# define END_EXTERN_C }
323# define EXTERN_C extern "C"
324#else
d460ef45
NIS		 325# define START_EXTERN_C
326# define END_EXTERN_C
73c4f7a1 327# define EXTERN_C extern
32f822de
GS		 328#endif
329
27da23d5
JH		 330/* Some platforms require marking function declarations
331 * for them to be exportable. Used in perlio.h, proto.h
332 * is handled either by the makedef.pl or by defining the
333 * PERL_CALLCONV to be something special. See also the
334 * definition of XS() in XSUB.h. */
335#ifndef PERL_EXPORT_C
336# define PERL_EXPORT_C extern
337#endif
338#ifndef PERL_XS_EXPORT_C
339# define PERL_XS_EXPORT_C
340#endif
341
462e5cf6
MB		 342#ifdef OP_IN_REGISTER
343# ifdef __GNUC__
344# define stringify_immed(s) #s
345# define stringify(s) stringify_immed(s)
d1ca3daa 346register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 347# endif
348#endif
349
95b63a38 350#if defined(PERL_GCC_PEDANTIC)
5b692037 351# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 352# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
353# endif
5dc8bdac
JH		 354#endif
355
5b692037
JH		 356#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
357# ifndef PERL_USE_GCC_BRACE_GROUPS
358# define PERL_USE_GCC_BRACE_GROUPS
359# endif
360#endif
361
728e2803 362/*
363 * STMT_START { statements; } STMT_END;
364 * can be used as a single statement, as in
365 * if (x) STMT_START { ... } STMT_END; else ...
366 *
367 * Trying to select a version that gives no warnings...
368 */
369#if !(defined(STMT_START) && defined(STMT_END))
5b692037 370# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 371# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 372# define STMT_END )
373# else
374 /* Now which other defined()s do we need here ??? */
93189314 375# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 376# define STMT_START if (1)
377# define STMT_END else (void)0
378# else
379# define STMT_START do
380# define STMT_END while (0)
381# endif
382# endif
383#endif
384
0cb96387 385#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 386#define WITH_THR(s) WITH_THX(s)
ea0efc06 387
d6f9c181
JH		 388#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
389# define BYTEORDER 0x1234
79072805
LW		 390#endif
391
392/* Overall memory policy? */
393#ifndef CONSERVATIVE
394# define LIBERAL 1
395#endif
396
8ada0baa
JH		 397#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
398#define ASCIIish
399#else
400#undef ASCIIish
401#endif
402
79072805
LW		 403/*
404 * The following contortions are brought to you on behalf of all the
405 * standards, semi-standards, de facto standards, not-so-de-facto standards
406 * of the world, as well as all the other botches anyone ever thought of.
407 * The basic theory is that if we work hard enough here, the rest of the
408 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
409 */
ac58e20f 410
ee0007ab 411/* define this once if either system, instead of cluttering up the src */
2986a63f 412#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 413#define DOSISH 1
414#endif
415
fb38d079 416#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 417# define STANDARD_C 1
418#endif
419
9969cdde 420#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 421# define DONT_DECLARE_STD 1
422#endif
423
352d5a3a 424#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 425# ifdef __cplusplus
cb69f87a 426# define VOL /* to temporarily suppress warnings */
79072805
LW		 427# else
428# define VOL volatile
429# endif
663a0e37 430#else
79072805 431# define VOL
663a0e37
LW		 432#endif
433
3280af22
NIS		 434#define TAINT (PL_tainted = TRUE)
435#define TAINT_NOT (PL_tainted = FALSE)
436#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
437#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 438#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 439
d460ef45 440/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 441 defines move there? If so, I could simplify this a lot. --AD 9/96.
442*/
443/* Process group stuff changed from traditional BSD to POSIX.
444 perlfunc.pod documents the traditional BSD-style syntax, so we'll
445 try to preserve that, if possible.
446*/
447#ifdef HAS_SETPGID
448# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 449#else
a6e633de 450# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
451# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
452# else
453# ifdef HAS_SETPGRP2 /* DG/UX */
454# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
455# endif
456# endif
457#endif
458#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
459# define HAS_SETPGRP /* Well, effectively it does . . . */
460#endif
461
462/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
463 our life easier :-) so we'll try it.
464*/
465#ifdef HAS_GETPGID
466# define BSD_GETPGRP(pid) getpgid((pid))
467#else
468# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
469# define BSD_GETPGRP(pid) getpgrp((pid))
470# else
471# ifdef HAS_GETPGRP2 /* DG/UX */
472# define BSD_GETPGRP(pid) getpgrp2((pid))
473# endif
474# endif
475#endif
476#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
477# define HAS_GETPGRP /* Well, effectively it does . . . */
478#endif
479
d460ef45 480/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 481 have different behaviors, but perl.h used to define USE_BSDPGRP
482 (prior to 5.003_05) so some extension might depend on it.
483*/
484#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
485# ifndef USE_BSDPGRP
486# define USE_BSDPGRP
487# endif
663a0e37
LW		 488#endif
489
8ac5a1fe
MH		 490/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
491 pthread.h must be included before all other header files.
492*/
3db8f154 493#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 494# include <pthread.h>
495#endif
496
760ac839
LW		 497#ifndef _TYPES_ /* If types.h defines this it's easy. */
498# ifndef major /* Does everyone's types.h define this? */
499# include <sys/types.h>
c07a80fd 500# endif
663a0e37
LW		 501#endif
502
760ac839
LW		 503#ifdef __cplusplus
504# ifndef I_STDARG
505# define I_STDARG 1
506# endif
507#endif
508
509#ifdef I_STDARG
510# include <stdarg.h>
511#else
512# ifdef I_VARARGS
513# include <varargs.h>
514# endif
515#endif
516
4633a7c4 517#ifdef USE_NEXT_CTYPE
0c30d9ec 518
092bebab
JH		 519#if NX_CURRENT_COMPILER_RELEASE >= 500
520# include <bsd/ctypes.h>
521#else
522# if NX_CURRENT_COMPILER_RELEASE >= 400
523# include <objc/NXCType.h>
524# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
525# include <appkit/NXCType.h>
526# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
527#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 528
529#else /* !USE_NEXT_CTYPE */
fe14fcc3 530#include <ctype.h>
0c30d9ec 531#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 532
533#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
534#undef METHOD
a0d0e21e
LW		 535#endif
536
12ae5dfc
JH		 537#ifdef PERL_MICRO
538# define NO_LOCALE
539#endif
540
4633a7c4 541#ifdef I_LOCALE
36477c24 542# include <locale.h>
4633a7c4
LW		 543#endif
544
36477c24 545#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
546# define USE_LOCALE
547# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
548 && defined(HAS_STRXFRM)
549# define USE_LOCALE_COLLATE
550# endif
551# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
552# define USE_LOCALE_CTYPE
553# endif
554# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
555# define USE_LOCALE_NUMERIC
556# endif
557#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 558
fe14fcc3 559#include <setjmp.h>
79072805 560
a0d0e21e 561#ifdef I_SYS_PARAM
79072805
LW		 562# ifdef PARAM_NEEDS_TYPES
563# include <sys/types.h>
564# endif
565# include <sys/param.h>
352d5a3a 566#endif
79072805 567
79072805 568/* Use all the "standard" definitions? */
a0d0e21e 569#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 570# include <stdlib.h>
ff68c719 571#endif
03a14243 572
3f270f98
JH		 573/* If this causes problems, set i_unistd=undef in the hint file. */
574#ifdef I_UNISTD
575# include <unistd.h>
576#endif
577
9969cdde 578#ifdef __SYMBIAN32__
27da23d5
JH		 579# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
580#endif
581
7114a2d2 582#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 583int syscall(int, ...);
584#endif
585
7114a2d2 586#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 587int usleep(unsigned int);
2ef53570
JH		 588#endif
589
9a34ef1d
GS		 590#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
591# define MYSWAP
592#endif
593
1109a392
MHM		 594#ifdef PERL_CORE
595
596/* macros for correct constant construction */
597# if INTSIZE >= 2
598# define U16_CONST(x) ((U16)x##U)
599# else
600# define U16_CONST(x) ((U16)x##UL)
601# endif
602
603# if INTSIZE >= 4
604# define U32_CONST(x) ((U32)x##U)
605# else
606# define U32_CONST(x) ((U32)x##UL)
607# endif
608
609# ifdef HAS_QUAD
610# if INTSIZE >= 8
611# define U64_CONST(x) ((U64)x##U)
612# elif LONGSIZE >= 8
613# define U64_CONST(x) ((U64)x##UL)
614# elif QUADKIND == QUAD_IS_LONG_LONG
615# define U64_CONST(x) ((U64)x##ULL)
616# else /* best guess we can make */
617# define U64_CONST(x) ((U64)x##UL)
618# endif
619# endif
620
621/* byte-swapping functions for big-/little-endian conversion */
622# define _swab_16_(x) ((U16)( \
623 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
624 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
625
626# define _swab_32_(x) ((U32)( \
627 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
628 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
629 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
630 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
631
632# ifdef HAS_QUAD
633# define _swab_64_(x) ((U64)( \
634 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
635 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
636 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
637 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
638 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
639 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
640 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
641 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
642# endif
643
644/*----------------------------------------------------------------------------*/
645# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
646/*----------------------------------------------------------------------------*/
647# define my_htole16(x) (x)
648# define my_letoh16(x) (x)
649# define my_htole32(x) (x)
650# define my_letoh32(x) (x)
651# define my_htobe16(x) _swab_16_(x)
652# define my_betoh16(x) _swab_16_(x)
653# define my_htobe32(x) _swab_32_(x)
654# define my_betoh32(x) _swab_32_(x)
655# ifdef HAS_QUAD
656# define my_htole64(x) (x)
657# define my_letoh64(x) (x)
658# define my_htobe64(x) _swab_64_(x)
659# define my_betoh64(x) _swab_64_(x)
660# endif
661# define my_htoles(x) (x)
662# define my_letohs(x) (x)
663# define my_htolei(x) (x)
664# define my_letohi(x) (x)
665# define my_htolel(x) (x)
666# define my_letohl(x) (x)
667# if SHORTSIZE == 1
668# define my_htobes(x) (x)
669# define my_betohs(x) (x)
670# elif SHORTSIZE == 2
671# define my_htobes(x) _swab_16_(x)
672# define my_betohs(x) _swab_16_(x)
673# elif SHORTSIZE == 4
674# define my_htobes(x) _swab_32_(x)
675# define my_betohs(x) _swab_32_(x)
676# elif SHORTSIZE == 8
677# define my_htobes(x) _swab_64_(x)
678# define my_betohs(x) _swab_64_(x)
679# else
680# define PERL_NEED_MY_HTOBES
681# define PERL_NEED_MY_BETOHS
682# endif
683# if INTSIZE == 1
684# define my_htobei(x) (x)
685# define my_betohi(x) (x)
686# elif INTSIZE == 2
687# define my_htobei(x) _swab_16_(x)
688# define my_betohi(x) _swab_16_(x)
689# elif INTSIZE == 4
690# define my_htobei(x) _swab_32_(x)
691# define my_betohi(x) _swab_32_(x)
692# elif INTSIZE == 8
693# define my_htobei(x) _swab_64_(x)
694# define my_betohi(x) _swab_64_(x)
695# else
696# define PERL_NEED_MY_HTOBEI
697# define PERL_NEED_MY_BETOHI
698# endif
699# if LONGSIZE == 1
700# define my_htobel(x) (x)
701# define my_betohl(x) (x)
702# elif LONGSIZE == 2
703# define my_htobel(x) _swab_16_(x)
704# define my_betohl(x) _swab_16_(x)
705# elif LONGSIZE == 4
706# define my_htobel(x) _swab_32_(x)
707# define my_betohl(x) _swab_32_(x)
708# elif LONGSIZE == 8
709# define my_htobel(x) _swab_64_(x)
710# define my_betohl(x) _swab_64_(x)
711# else
712# define PERL_NEED_MY_HTOBEL
713# define PERL_NEED_MY_BETOHL
714# endif
715# define my_htolen(p,n) NOOP
716# define my_letohn(p,n) NOOP
717# define my_htoben(p,n) my_swabn(p,n)
718# define my_betohn(p,n) my_swabn(p,n)
719/*----------------------------------------------------------------------------*/
720# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
721/*----------------------------------------------------------------------------*/
722# define my_htobe16(x) (x)
723# define my_betoh16(x) (x)
724# define my_htobe32(x) (x)
725# define my_betoh32(x) (x)
726# define my_htole16(x) _swab_16_(x)
727# define my_letoh16(x) _swab_16_(x)
728# define my_htole32(x) _swab_32_(x)
729# define my_letoh32(x) _swab_32_(x)
730# ifdef HAS_QUAD
731# define my_htobe64(x) (x)
732# define my_betoh64(x) (x)
733# define my_htole64(x) _swab_64_(x)
734# define my_letoh64(x) _swab_64_(x)
735# endif
736# define my_htobes(x) (x)
737# define my_betohs(x) (x)
738# define my_htobei(x) (x)
739# define my_betohi(x) (x)
740# define my_htobel(x) (x)
741# define my_betohl(x) (x)
742# if SHORTSIZE == 1
743# define my_htoles(x) (x)
744# define my_letohs(x) (x)
745# elif SHORTSIZE == 2
746# define my_htoles(x) _swab_16_(x)
747# define my_letohs(x) _swab_16_(x)
748# elif SHORTSIZE == 4
749# define my_htoles(x) _swab_32_(x)
750# define my_letohs(x) _swab_32_(x)
751# elif SHORTSIZE == 8
752# define my_htoles(x) _swab_64_(x)
753# define my_letohs(x) _swab_64_(x)
754# else
755# define PERL_NEED_MY_HTOLES
756# define PERL_NEED_MY_LETOHS
757# endif
758# if INTSIZE == 1
759# define my_htolei(x) (x)
760# define my_letohi(x) (x)
761# elif INTSIZE == 2
762# define my_htolei(x) _swab_16_(x)
763# define my_letohi(x) _swab_16_(x)
764# elif INTSIZE == 4
765# define my_htolei(x) _swab_32_(x)
766# define my_letohi(x) _swab_32_(x)
767# elif INTSIZE == 8
768# define my_htolei(x) _swab_64_(x)
769# define my_letohi(x) _swab_64_(x)
770# else
771# define PERL_NEED_MY_HTOLEI
772# define PERL_NEED_MY_LETOHI
773# endif
774# if LONGSIZE == 1
775# define my_htolel(x) (x)
776# define my_letohl(x) (x)
777# elif LONGSIZE == 2
778# define my_htolel(x) _swab_16_(x)
779# define my_letohl(x) _swab_16_(x)
780# elif LONGSIZE == 4
781# define my_htolel(x) _swab_32_(x)
782# define my_letohl(x) _swab_32_(x)
783# elif LONGSIZE == 8
784# define my_htolel(x) _swab_64_(x)
785# define my_letohl(x) _swab_64_(x)
786# else
787# define PERL_NEED_MY_HTOLEL
788# define PERL_NEED_MY_LETOHL
789# endif
790# define my_htolen(p,n) my_swabn(p,n)
791# define my_letohn(p,n) my_swabn(p,n)
792# define my_htoben(p,n) NOOP
793# define my_betohn(p,n) NOOP
794/*----------------------------------------------------------------------------*/
795# else /* all other byte-orders */
796/*----------------------------------------------------------------------------*/
797# define PERL_NEED_MY_HTOLE16
798# define PERL_NEED_MY_LETOH16
799# define PERL_NEED_MY_HTOBE16
800# define PERL_NEED_MY_BETOH16
801# define PERL_NEED_MY_HTOLE32
802# define PERL_NEED_MY_LETOH32
803# define PERL_NEED_MY_HTOBE32
804# define PERL_NEED_MY_BETOH32
805# ifdef HAS_QUAD
806# define PERL_NEED_MY_HTOLE64
807# define PERL_NEED_MY_LETOH64
808# define PERL_NEED_MY_HTOBE64
809# define PERL_NEED_MY_BETOH64
810# endif
811# define PERL_NEED_MY_HTOLES
812# define PERL_NEED_MY_LETOHS
813# define PERL_NEED_MY_HTOBES
814# define PERL_NEED_MY_BETOHS
815# define PERL_NEED_MY_HTOLEI
816# define PERL_NEED_MY_LETOHI
817# define PERL_NEED_MY_HTOBEI
818# define PERL_NEED_MY_BETOHI
819# define PERL_NEED_MY_HTOLEL
820# define PERL_NEED_MY_LETOHL
821# define PERL_NEED_MY_HTOBEL
822# define PERL_NEED_MY_BETOHL
823/*----------------------------------------------------------------------------*/
824# endif /* end of byte-order macros */
825/*----------------------------------------------------------------------------*/
826
9c17f24a
NC		 827/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
828 at least on FreeBSD. YMMV, so experiment. */
829#ifndef PERL_ARENA_SIZE
830#define PERL_ARENA_SIZE 4080
831#endif
832
1109a392
MHM		 833#endif /* PERL_CORE */
834
bdf3085f
NC		 835/* We no longer default to creating a new SV for GvSV.
836 Do this before embed. */
837#ifndef PERL_CREATE_GVSV
7459f06b
NC		 838# ifndef PERL_DONT_CREATE_GVSV
839# define PERL_DONT_CREATE_GVSV
840# endif
bdf3085f
NC		 841#endif
842
ca0c25f6
NC		 843#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
844#define PERL_USES_PL_PIDSTATUS
845#endif
846
a62746fa
RGS		 847#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
848#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
849#endif
850
66a93824
NIS		 851/* Cannot include embed.h here on Win32 as win32.h has not
852 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
853 */
96e176bf 854#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 855# include "embed.h"
eb8433b7
NC		 856# ifndef PERL_MAD
857# undef op_getmad
b3f24c00 858# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 859# endif
cea2e8a9
GS		 860#endif
861
c31fac66
GS		 862#define MEM_SIZE Size_t
863
1936d2a7
NC		 864/* Round all values passed to malloc up, by default to a multiple of
865 sizeof(size_t)
866*/
867#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
868#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
869#endif
870
51371543
GS		 871#if defined(STANDARD_C) && defined(I_STDDEF)
872# include <stddef.h>
873# define STRUCT_OFFSET(s,m) offsetof(s,m)
874#else
875# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
876#endif
877
9969cdde 878#ifndef __SYMBIAN32__
27da23d5
JH		 879# if defined(I_STRING) || defined(__cplusplus)
880# include <string.h>
881# else
882# include <strings.h>
883# endif
51371543
GS		 884#endif
885
55497cff 886/* This comes after <stdlib.h> so we don't try to change the standard
887 * library prototypes; we'll use our own in proto.h instead. */
03a14243 888
4633a7c4 889#ifdef MYMALLOC
86058a2d 890# ifdef PERL_POLLUTE_MALLOC
ee13e175 891# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 892# define Perl_malloc malloc
893# define Perl_calloc calloc
894# define Perl_realloc realloc
895# define Perl_mfree free
ee13e175 896# endif
86058a2d
GS		 897# else
898# define EMBEDMYMALLOC /* for compatibility */
899# endif
827e134a 900
651b9576
GS		 901# define safemalloc Perl_malloc
902# define safecalloc Perl_calloc
903# define saferealloc Perl_realloc
904# define safefree Perl_mfree
22f7c9c9
JH		 905# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
906 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
907 code; \
908 } STMT_END
909# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
910 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
911# define panic_write2(s) write(2, s, strlen(s))
912# define CHECK_MALLOC_TAINT(newval) \
913 CHECK_MALLOC_TOO_LATE_FOR_( \
914 if (newval) { \
915 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
916 exit(1); })
22f7c9c9 917# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 918 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 919 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
920 }} STMT_END;
f2517201
GS		 921#else /* MYMALLOC */
922# define safemalloc safesysmalloc
923# define safecalloc safesyscalloc
924# define saferealloc safesysrealloc
925# define safefree safesysfree
22f7c9c9
JH		 926# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
927# define CHECK_MALLOC_TAINT(newval) ((void)0)
928# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 929#endif /* MYMALLOC */
4633a7c4 930
27da23d5 931#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		 932#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
933#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
934#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
935
a0d0e21e
LW		 936#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
937#define strchr index
938#define strrchr rindex
939#endif
940
16d20bd9
AD		 941#ifdef I_MEMORY
942# include <memory.h>
943#endif
944
fe14fcc3 945#ifdef HAS_MEMCPY
85e6fe83 946# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 947# ifndef memcpy
20ce7b12 948 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 949# endif
950# endif
951#else
952# ifndef memcpy
953# ifdef HAS_BCOPY
954# define memcpy(d,s,l) bcopy(s,d,l)
955# else
956# define memcpy(d,s,l) my_bcopy(s,d,l)
957# endif
958# endif
959#endif /* HAS_MEMCPY */
fe14fcc3 960
ee0007ab 961#ifdef HAS_MEMSET
85e6fe83 962# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 963# ifndef memset
20ce7b12 964 extern char *memset (char*, int, int);
ee0007ab
LW		 965# endif
966# endif
ee0007ab 967#else
12ae5dfc 968# undef memset
fc36a67e 969# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 970#endif /* HAS_MEMSET */
971
85e6fe83 972#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 973# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 974# define memmove(d,s,l) bcopy(s,d,l)
975# else
2304df62 976# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 977# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 978# else
79072805 979# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 980# endif
352d5a3a 981# endif
d9d8d8de 982#endif
ee0007ab 983
36477c24 984#if defined(mips) && defined(ultrix) && !defined(__STDC__)
985# undef HAS_MEMCMP
986#endif
987
988#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 989# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 990# ifndef memcmp
20ce7b12 991 extern int memcmp (char*, char*, int);
ee0007ab
LW		 992# endif
993# endif
36477c24 994# ifdef BUGGY_MSC
7e4e8c89 995# pragma function(memcmp)
36477c24 996# endif
ee0007ab
LW		 997#else
998# ifndef memcmp
ecfc5424 999# define memcmp my_memcmp
352d5a3a 1000# endif
36477c24 1001#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1002
fc36a67e 1003#ifndef memzero
c635e13b 1004# ifdef HAS_MEMSET
1005# define memzero(d,l) memset(d,0,l)
79072805 1006# else
c635e13b 1007# ifdef HAS_BZERO
1008# define memzero(d,l) bzero(d,l)
79072805 1009# else
fc36a67e 1010# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1011# endif
1012# endif
d9d8d8de 1013#endif
378cc40b 1014
2f42fcb0 1015#ifndef PERL_MICRO
0f27ced1
JH		 1016#ifndef memchr
1017# ifndef HAS_MEMCHR
1018# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1019# endif
1020#endif
2f42fcb0 1021#endif
0f27ced1 1022
36477c24 1023#ifndef HAS_BCMP
1024# ifndef bcmp
1025# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1026# endif
36477c24 1027#endif /* !HAS_BCMP */
378cc40b 1028
ae986130 1029#ifdef I_NETINET_IN
79072805 1030# include <netinet/in.h>
ae986130
LW		 1031#endif
1032
28e8609d
JH		 1033#ifdef I_ARPA_INET
1034# include <arpa/inet.h>
1035#endif
1036
84902520
TB		 1037#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1038/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1039 * (the neo-BSD seem to do this). */
1040# undef SF_APPEND
1041#endif
1042
1aef975c 1043#ifdef I_SYS_STAT
84902520 1044# include <sys/stat.h>
1aef975c 1045#endif
79072805 1046
a0d0e21e
LW		 1047/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1048 like UTekV) are broken, sometimes giving false positives. Undefine
1049 them here and let the code below set them to proper values.
1050
1051 The ghs macro stands for GreenHills Software C-1.8.5 which
1052 is the C compiler for sysV88 and the various derivatives.
1053 This header file bug is corrected in gcc-2.5.8 and later versions.
1054 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1055
1056#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1057# undef S_ISDIR
1058# undef S_ISCHR
1059# undef S_ISBLK
1060# undef S_ISREG
1061# undef S_ISFIFO
1062# undef S_ISLNK
ee0007ab 1063#endif
135863df 1064
663a0e37
LW		 1065#ifdef I_TIME
1066# include <time.h>
ffed7fef 1067#endif
663a0e37 1068
fe14fcc3 1069#ifdef I_SYS_TIME
85e6fe83 1070# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1071# define KERNEL
1072# endif
1073# include <sys/time.h>
85e6fe83 1074# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1075# undef KERNEL
1076# endif
a687059c 1077#endif
135863df 1078
55497cff 1079#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1080# include <sys/times.h>
d9d8d8de 1081#endif
8d063cd8 1082
fe14fcc3 1083#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1084# undef HAS_STRERROR
663a0e37
LW		 1085#endif
1086
1087#include <errno.h>
1e743fda 1088
acfe0abc 1089#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1090# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1091#endif
1092
8cfab5ff
JH		 1093/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1094 * This is important for using IPv6.
1095 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1096 * a bad idea since it breaks send() and recv(). */
1097#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1098# define _SOCKADDR_LEN
1099#endif
1100
8d3f517a 1101#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1102# include <sys/socket.h>
1103# if defined(USE_SOCKS) && defined(I_SOCKS)
1104# if !defined(INCLUDE_PROTOTYPES)
1105# define INCLUDE_PROTOTYPES /* for <socks.h> */
1106# define PERL_SOCKS_NEED_PROTOTYPES
1107# endif
1108# include <socks.h>
1109# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1110# undef INCLUDE_PROTOTYPES
1111# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1112# endif
d460ef45 1113# endif
1e743fda 1114# ifdef I_NETDB
2986a63f
JH		 1115# ifdef NETWARE
1116# include<stdio.h>
1117# endif
1e743fda
JH		 1118# include <netdb.h>
1119# endif
1120# ifndef ENOTSOCK
1121# ifdef I_NET_ERRNO
1122# include <net/errno.h>
1123# endif
1124# endif
1125#endif
1126
fa0a29af 1127/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1128 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1129 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1130#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1131# if defined(__THROW) && defined(__GLIBC__)
1132int sockatmark(int) __THROW;
1133# else
2ef53570 1134int sockatmark(int);
29820b6d 1135# endif
2ef53570
JH		 1136#endif
1137
1e743fda
JH		 1138#ifdef SETERRNO
1139# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1140#endif
f86702cc 1141
1142#ifdef VMS
1143# define SETERRNO(errcode,vmserrcode) \
1144 STMT_START { \
1145 set_errno(errcode); \
1146 set_vaxc_errno(vmserrcode); \
1147 } STMT_END
93189314
JH		 1148# define LIB_INVARG LIB$_INVARG
1149# define RMS_DIR RMS$_DIR
1150# define RMS_FAC RMS$_FAC
1151# define RMS_FEX RMS$_FEX
1152# define RMS_FNF RMS$_FNF
1153# define RMS_IFI RMS$_IFI
1154# define RMS_ISI RMS$_ISI
1155# define RMS_PRV RMS$_PRV
1156# define SS_ACCVIO SS$_ACCVIO
1157# define SS_DEVOFFLINE SS$_DEVOFFLINE
1158# define SS_IVCHAN SS$_IVCHAN
1159# define SS_NORMAL SS$_NORMAL
748a9306 1160#else
aba27d88 1161# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1162# define LIB_INVARG 0
1163# define RMS_DIR 0
1164# define RMS_FAC 0
1165# define RMS_FEX 0
1166# define RMS_FNF 0
1167# define RMS_IFI 0
1168# define RMS_ISI 0
1169# define RMS_PRV 0
1170# define SS_ACCVIO 0
1171# define SS_DEVOFFLINE 0
1172# define SS_IVCHAN 0
1173# define SS_NORMAL 0
748a9306 1174#endif
ed6116ce 1175
3db8f154 1176#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1177/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1178#define DEFSV GvSVn(PL_defgv)
3db8f154 1179#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1180
98eae8f5
GS		 1181#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1182
55497cff 1183#ifndef errno
5ff3f7a4
GS		 1184 extern int errno; /* ANSI allows errno to be an lvalue expr.
1185 * For example in multithreaded environments
1186 * something like this might happen:
1187 * extern int *_errno(void);
1188 * #define errno (*_errno()) */
d9d8d8de 1189#endif
663a0e37 1190
2304df62 1191#ifdef HAS_STRERROR
a0d0e21e 1192# ifdef VMS
20ce7b12 1193 char *strerror (int,...);
a0d0e21e 1194# else
68dc0745 1195#ifndef DONT_DECLARE_STD
20ce7b12 1196 char *strerror (int);
68dc0745 1197#endif
a0d0e21e 1198# endif
2304df62
AD		 1199# ifndef Strerror
1200# define Strerror strerror
1201# endif
1202#else
1203# ifdef HAS_SYS_ERRLIST
79072805
LW		 1204 extern int sys_nerr;
1205 extern char *sys_errlist[];
2304df62
AD		 1206# ifndef Strerror
1207# define Strerror(e) \
79072805 1208 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1209# endif
79072805 1210# endif
35c8bce7 1211#endif
663a0e37 1212
2304df62 1213#ifdef I_SYS_IOCTL
79072805
LW		 1214# ifndef _IOCTL_
1215# include <sys/ioctl.h>
1216# endif
a687059c
LW		 1217#endif
1218
ee0007ab 1219#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1220# ifdef HAS_SOCKETPAIR
1221# undef HAS_SOCKETPAIR
1222# endif
2304df62
AD		 1223# ifdef I_NDBM
1224# undef I_NDBM
79072805 1225# endif
a687059c
LW		 1226#endif
1227
02fc2eee
NC		 1228#ifndef HAS_SOCKETPAIR
1229# ifdef HAS_SOCKET
1230# define socketpair Perl_my_socketpair
1231# endif
1232#endif
1233
a687059c 1234#if INTSIZE == 2
79072805
LW		 1235# define htoni htons
1236# define ntohi ntohs
a687059c 1237#else
79072805
LW		 1238# define htoni htonl
1239# define ntohi ntohl
a687059c
LW		 1240#endif
1241
a0d0e21e 1242/* Configure already sets Direntry_t */
35c8bce7 1243#if defined(I_DIRENT)
663a0e37 1244# include <dirent.h>
8f1f23e8
W		 1245 /* NeXT needs dirent + sys/dir.h */
1246# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1247# include <sys/dir.h>
1248# endif
ae986130 1249#else
fe14fcc3 1250# ifdef I_SYS_NDIR
79a0689e 1251# include <sys/ndir.h>
663a0e37 1252# else
fe14fcc3 1253# ifdef I_SYS_DIR
79a0689e
LW		 1254# ifdef hp9000s500
1255# include <ndir.h> /* may be wrong in the future */
1256# else
1257# include <sys/dir.h>
1258# endif
663a0e37
LW		 1259# endif
1260# endif
4633a7c4 1261#endif
a687059c 1262
12ae5dfc
JH		 1263#ifdef PERL_MICRO
1264# ifndef DIR
1265# define DIR void
1266# endif
1267#endif
1268
352d5a3a
LW		 1269#ifdef FPUTS_BOTCH
1270/* work around botch in SunOS 4.0.1 and 4.0.2 */
1271# ifndef fputs
79072805 1272# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1273# endif
1274#endif
1275
c623bd54
LW		 1276/*
1277 * The following gobbledygook brought to you on behalf of __STDC__.
1278 * (I could just use #ifndef __STDC__, but this is more bulletproof
1279 * in the face of half-implementations.)
1280 */
1281
7114a2d2 1282#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1283#include <sys/mode.h>
1284#endif
1285
c623bd54
LW		 1286#ifndef S_IFMT
1287# ifdef _S_IFMT
1288# define S_IFMT _S_IFMT
1289# else
1290# define S_IFMT 0170000
1291# endif
1292#endif
1293
1294#ifndef S_ISDIR
1295# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1296#endif
1297
1298#ifndef S_ISCHR
1299# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1300#endif
1301
1302#ifndef S_ISBLK
fe14fcc3
LW		 1303# ifdef S_IFBLK
1304# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1305# else
1306# define S_ISBLK(m) (0)
1307# endif
c623bd54
LW		 1308#endif
1309
1310#ifndef S_ISREG
1311# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1312#endif
1313
1314#ifndef S_ISFIFO
fe14fcc3
LW		 1315# ifdef S_IFIFO
1316# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1317# else
1318# define S_ISFIFO(m) (0)
1319# endif
c623bd54
LW		 1320#endif
1321
1322#ifndef S_ISLNK
1323# ifdef _S_ISLNK
1324# define S_ISLNK(m) _S_ISLNK(m)
1325# else
1326# ifdef _S_IFLNK
1327# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1328# else
1329# ifdef S_IFLNK
1330# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1331# else
1332# define S_ISLNK(m) (0)
1333# endif
1334# endif
1335# endif
1336#endif
1337
1338#ifndef S_ISSOCK
1339# ifdef _S_ISSOCK
1340# define S_ISSOCK(m) _S_ISSOCK(m)
1341# else
1342# ifdef _S_IFSOCK
1343# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1344# else
1345# ifdef S_IFSOCK
1346# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1347# else
1348# define S_ISSOCK(m) (0)
1349# endif
1350# endif
1351# endif
1352#endif
1353
1354#ifndef S_IRUSR
1355# ifdef S_IREAD
1356# define S_IRUSR S_IREAD
1357# define S_IWUSR S_IWRITE
1358# define S_IXUSR S_IEXEC
1359# else
1360# define S_IRUSR 0400
1361# define S_IWUSR 0200
1362# define S_IXUSR 0100
1363# endif
fac7cdfc
JS		 1364#endif
1365
1366#ifndef S_IRGRP
1367# ifdef S_IRUSR
1368# define S_IRGRP (S_IRUSR>>3)
1369# define S_IWGRP (S_IWUSR>>3)
1370# define S_IXGRP (S_IXUSR>>3)
1371# else
1372# define S_IRGRP 0040
1373# define S_IWGRP 0020
1374# define S_IXGRP 0010
1375# endif
1376#endif
1377
1378#ifndef S_IROTH
1379# ifdef S_IRUSR
1380# define S_IROTH (S_IRUSR>>6)
1381# define S_IWOTH (S_IWUSR>>6)
1382# define S_IXOTH (S_IXUSR>>6)
1383# else
1384# define S_IROTH 0040
1385# define S_IWOTH 0020
1386# define S_IXOTH 0010
1387# endif
c623bd54
LW		 1388#endif
1389
1390#ifndef S_ISUID
1391# define S_ISUID 04000
1392#endif
1393
1394#ifndef S_ISGID
1395# define S_ISGID 02000
1396#endif
1397
ca6e1c26
JH		 1398#ifndef S_IRWXU
1399# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1400#endif
ca6e1c26
JH		 1401
1402#ifndef S_IRWXG
1403# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1404#endif
ca6e1c26
JH		 1405
1406#ifndef S_IRWXO
1407# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1408#endif
ca6e1c26 1409
c21fb2b8
JH		 1410/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1411 * which would get included through <sys/file.h >, but that is 3000
1412 * lines in the future. --jhi */
1413
1414#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1415# define S_IREAD S_IRUSR
1416#endif
1417
c21fb2b8 1418#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1419# define S_IWRITE S_IWUSR
1420#endif
1421
1422#ifndef S_IEXEC
1423# define S_IEXEC S_IXUSR
1424#endif
1425
79072805
LW		 1426#ifdef ff_next
1427# undef ff_next
352d5a3a
LW		 1428#endif
1429
a0d0e21e 1430#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1431# define SLOPPYDIVIDE
1432#endif
1433
748a9306
LW		 1434#ifdef UV
1435#undef UV
1436#endif
1437
c89df6bf
JH		 1438#ifdef SPRINTF_E_BUG
1439# define sprintf UTS_sprintf_wrap
1440#endif
1441
ce582cee
NC		 1442/* For the times when you want the return value of sprintf, and you want it
1443 to be the length. Can't have a thread variable passed in, because C89 has
1444 no varargs macros.
1445*/
1446#ifdef SPRINTF_RETURNS_STRLEN
1447# define my_sprintf sprintf
1448#else
1449# define my_sprintf Perl_my_sprintf
1450#endif
1451
5b692037
JH		 1452/*
1453 * If we have v?snprintf() and the C99 variadic macros, we can just
1454 * use just the v?snprintf(). It is nice to try to trap the buffer
1455 * overflow, however, so if we are DEBUGGING, and we cannot use the
1456 * gcc brace groups, then use the function wrappers which try to trap
1457 * the overflow. If we can use the gcc brace groups, we can try that
1458 * even with the version that uses the C99 variadic macros.
1459 */
1460
1208b3dd
JH		 1461/* Note that we do not check against snprintf()/vsnprintf() returning
1462 * negative values because that is non-standard behaviour and we use
1463 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1464 * that should be true only if the snprintf()/vsnprintf() are true
1465 * to the standard. */
1466
1467#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS))
5b692037 1468# ifdef PERL_USE_GCC_BRACE_GROUPS
625dac9d 1469# define my_snprintf(buffer, len, ...) ({ int __len__ = snprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak(aTHX_ "panic: snprintf buffer overflow"); __len__; })
1208b3dd 1470# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1471# else
1472# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1473# endif
1474#else
1475# define my_snprintf Perl_my_snprintf
1208b3dd 1476# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1477#endif
1478
1208b3dd 1479#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS))
5b692037 1480# ifdef PERL_USE_GCC_BRACE_GROUPS
625dac9d 1481# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak(aTHX_ "panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1482# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1483# else
1484# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1485# endif
1486#else
1487# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1488# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1489#endif
d9fad198 1490
a6cc4119
SP		 1491#ifdef HAS_STRLCAT
1492# define my_strlcat strlcat
1493#else
1494# define my_strlcat Perl_my_strlcat
1495#endif
1496
1497#ifdef HAS_STRLCPY
1498# define my_strlcpy strlcpy
1499#else
1500# define my_strlcpy Perl_my_strlcpy
1501#endif
1502
c495e728
JH		 1503/* Configure gets this right but the UTS compiler gets it wrong.
1504 -- Hal Morris <hom00@utsglobal.com> */
1505#ifdef UTS
1506# undef UVTYPE
1507# define UVTYPE unsigned
1508#endif
1509
05f13f53 1510/*
27d4fb96 1511 The IV type is supposed to be long enough to hold any integral
1512 value or a pointer.
1513 --Andy Dougherty August 1996
1514*/
1515
a22e52b9
JH		 1516typedef IVTYPE IV;
1517typedef UVTYPE UV;
8175356b 1518
10cc9d2a 1519#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1520# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1521# define IV_MAX INT64_MAX
1522# define IV_MIN INT64_MIN
1523# define UV_MAX UINT64_MAX
cae7ae48
JH		 1524# ifndef UINT64_MIN
1525# define UINT64_MIN 0
1526# endif
5ff3f7a4
GS		 1527# define UV_MIN UINT64_MIN
1528# else
1529# define IV_MAX PERL_QUAD_MAX
1530# define IV_MIN PERL_QUAD_MIN
1531# define UV_MAX PERL_UQUAD_MAX
1532# define UV_MIN PERL_UQUAD_MIN
1533# endif
cf2093f6
JH		 1534# define IV_IS_QUAD
1535# define UV_IS_QUAD
79072805 1536#else
8175356b 1537# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1538# define IV_MAX INT32_MAX
1539# define IV_MIN INT32_MIN
716026f9
DL		 1540# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1541# define UV_MAX UINT32_MAX
1542# else
1543# define UV_MAX 4294967295U
1544# endif
cae7ae48
JH		 1545# ifndef UINT32_MIN
1546# define UINT32_MIN 0
1547# endif
5ff3f7a4
GS		 1548# define UV_MIN UINT32_MIN
1549# else
1550# define IV_MAX PERL_LONG_MAX
1551# define IV_MIN PERL_LONG_MIN
1552# define UV_MAX PERL_ULONG_MAX
1553# define UV_MIN PERL_ULONG_MIN
1554# endif
8175356b 1555# if IVSIZE == 8
cf2093f6
JH		 1556# define IV_IS_QUAD
1557# define UV_IS_QUAD
de1c2614
JH		 1558# ifndef HAS_QUAD
1559# define HAS_QUAD
1560# endif
cf2093f6
JH		 1561# else
1562# undef IV_IS_QUAD
1563# undef UV_IS_QUAD
de1c2614 1564# undef HAS_QUAD
cf2093f6 1565# endif
79072805 1566#endif
d7d93a81 1567
1109a392
MHM		 1568#ifndef HAS_QUAD
1569# undef PERL_NEED_MY_HTOLE64
1570# undef PERL_NEED_MY_LETOH64
1571# undef PERL_NEED_MY_HTOBE64
1572# undef PERL_NEED_MY_BETOH64
1573#endif
1574
6cde8aec 1575#if defined(uts) || defined(UTS)
11afe549
HM		 1576# undef UV_MAX
1577# define UV_MAX (4294967295u)
20601011
JH		 1578#endif
1579
cae7ae48 1580#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1581#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1582
28e5dec8 1583#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1584#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1585#endif
1586
d460ef45 1587/*
26bb67e2
JH		 1588 * The macros INT2PTR and NUM2PTR are (despite their names)
1589 * bi-directional: they will convert int/float to or from pointers.
1590 * However the conversion to int/float are named explicitly:
1591 * PTR2IV, PTR2UV, PTR2NV.
1592 *
1593 * For int conversions we do not need two casts if pointers are
1594 * the same size as IV and UV. Otherwise we need an explicit
1595 * cast (PTRV) to avoid compiler warnings.
1596 */
56431972
RB		 1597#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1598# define PTRV UV
1599# define INT2PTR(any,d) (any)(d)
1600#else
d460ef45 1601# if PTRSIZE == LONGSIZE
56431972 1602# define PTRV unsigned long
e91e3b10 1603# define PTR2ul(p) (unsigned long)(p)
42718184 1604# else
56431972 1605# define PTRV unsigned
42718184 1606# endif
e91e3b10
RB		 1607#endif
1608
1609#ifndef INT2PTR
56431972 1610# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1611#endif
e91e3b10
RB		 1612
1613#ifndef PTR2ul
1614# define PTR2ul(p) INT2PTR(unsigned long,p)
1615#endif
1616
56431972
RB		 1617#define NUM2PTR(any,d) (any)(PTRV)(d)
1618#define PTR2IV(p) INT2PTR(IV,p)
1619#define PTR2UV(p) INT2PTR(UV,p)
1620#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1621#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1622
8141890a
JH		 1623/* According to strict ANSI C89 one cannot freely cast between
1624 * data pointers and function (code) pointers. There are at least
1625 * two ways around this. One (used below) is to do two casts,
1626 * first the other pointer to an (unsigned) integer, and then
1627 * the integer to the other pointer. The other way would be
1628 * to use unions to "overlay" the pointers. For an example of
1629 * the latter technique, see union dirpu in struct xpvio in sv.h.
1630 * The only feasible use is probably temporarily storing
1631 * function pointers in a data pointer (such as a void pointer). */
1632
e91e3b10
RB		 1633#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1634#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1635
65202027 1636#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1637# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1638# define LONG_DOUBLE_EQUALS_DOUBLE
1639# endif
68d4903c 1640# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1641# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1642# endif
1643#endif
1644
2d4389e4
JH		 1645#ifdef OVR_DBL_DIG
1646/* Use an overridden DBL_DIG */
1647# ifdef DBL_DIG
1648# undef DBL_DIG
1649# endif
1650# define DBL_DIG OVR_DBL_DIG
1651#else
1652/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1653 default value for printing floating point numbers in Gconvert
1654 (see config.h). (It also has other uses, such as figuring out if
1655 a given precision of printing can be done with a double instead of
1656 a long double - Allen).
2d4389e4
JH		 1657*/
1658#ifdef I_LIMITS
1659#include <limits.h>
1660#endif
1661#ifdef I_FLOAT
1662#include <float.h>
1663#endif
1664#ifndef HAS_DBL_DIG
1665#define DBL_DIG 15 /* A guess that works lots of places */
1666#endif
1667#endif
cbca01e1
JH		 1668#ifdef I_FLOAT
1669#include <float.h>
1670#endif
1671#ifndef HAS_DBL_DIG
1672#define DBL_DIG 15 /* A guess that works lots of places */
1673#endif
2d4389e4
JH		 1674
1675#ifdef OVR_LDBL_DIG
1676/* Use an overridden LDBL_DIG */
1677# ifdef LDBL_DIG
1678# undef LDBL_DIG
1679# endif
1680# define LDBL_DIG OVR_LDBL_DIG
1681#else
1682/* The following is all to get LDBL_DIG, in order to pick a nice
1683 default value for printing floating point numbers in Gconvert.
1684 (see config.h)
1685*/
68d4903c
JH		 1686# ifdef I_LIMITS
1687# include <limits.h>
1688# endif
1689# ifdef I_FLOAT
1690# include <float.h>
1691# endif
1692# ifndef HAS_LDBL_DIG
1693# if LONG_DOUBLESIZE == 10
1694# define LDBL_DIG 18 /* assume IEEE */
1695# else
1696# if LONG_DOUBLESIZE == 12
1697# define LDBL_DIG 18 /* gcc? */
1698# else
1699# if LONG_DOUBLESIZE == 16
1700# define LDBL_DIG 33 /* assume IEEE */
1701# else
1702# if LONG_DOUBLESIZE == DOUBLESIZE
1703# define LDBL_DIG DBL_DIG /* bummer */
1704# endif
1705# endif
1706# endif
1707# endif
1708# endif
2d4389e4
JH		 1709#endif
1710
20f6aaab
AS		 1711/*
1712 * This is for making sure we have a good DBL_MAX value, if possible,
1713 * either for usage as NV_MAX or for usage in figuring out if we can
1714 * fit a given long double into a double, if bug-fixing makes it
1715 * necessary to do so. - Allen <allens@cpan.org>
1716 */
1717
205f51d8
AS		 1718#ifdef I_LIMITS
1719# include <limits.h>
20f6aaab
AS		 1720#endif
1721
205f51d8
AS		 1722#ifdef I_VALUES
1723# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1724# include <values.h>
1725# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1726# define DBL_MAX MAXDOUBLE
1727# endif
1728# if defined(MINDOUBLE) && !defined(DBL_MIN)
1729# define DBL_MIN MINDOUBLE
1730# endif
1731# endif
1732#endif /* defined(I_VALUES) */
1733
a22e52b9 1734typedef NVTYPE NV;
8175356b 1735
792d8dab
JH		 1736#ifdef I_IEEEFP
1737# include <ieeefp.h>
1738#endif
923fc586 1739
65202027 1740#ifdef USE_LONG_DOUBLE
923fc586
JH		 1741# ifdef I_SUNMATH
1742# include <sunmath.h>
1743# endif
2d4389e4 1744# define NV_DIG LDBL_DIG
d6c14000
JH		 1745# ifdef LDBL_MANT_DIG
1746# define NV_MANT_DIG LDBL_MANT_DIG
1747# endif
06fc1729
JH		 1748# ifdef LDBL_MIN
1749# define NV_MIN LDBL_MIN
1750# endif
1751# ifdef LDBL_MAX
1752# define NV_MAX LDBL_MAX
1753# endif
1754# ifdef LDBL_MIN_10_EXP
1755# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1756# endif
1757# ifdef LDBL_MAX_10_EXP
1758# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1759# endif
1760# ifdef LDBL_EPSILON
1761# define NV_EPSILON LDBL_EPSILON
1762# endif
f4a14a62
JH		 1763# ifdef LDBL_MAX
1764# define NV_MAX LDBL_MAX
20f6aaab 1765/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1766# else
1767# ifdef HUGE_VALL
1768# define NV_MAX HUGE_VALL
1769# else
1770# ifdef HUGE_VAL
1771# define NV_MAX ((NV)HUGE_VAL)
1772# endif
1773# endif
1774# endif
68d4903c 1775# ifdef HAS_SQRTL
68d4903c
JH		 1776# define Perl_cos cosl
1777# define Perl_sin sinl
1778# define Perl_sqrt sqrtl
1779# define Perl_exp expl
1780# define Perl_log logl
1781# define Perl_atan2 atan2l
1782# define Perl_pow powl
1783# define Perl_floor floorl
1bbae031 1784# define Perl_ceil ceill
68d4903c
JH		 1785# define Perl_fmod fmodl
1786# endif
a3540c92
JH		 1787/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1788# ifdef HAS_MODFL
1789# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1790/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1791 prototype in <math.h> */
1792# ifndef HAS_MODFL_PROTO
a221a8a5 1793EXTERN_C long double modfl(long double, long double *);
51997bc3 1794# endif
03476e8e
JH		 1795# else
1796# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1797 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1798# define Perl_modf(x,y) Perl_my_modfl(x,y)
1799# endif
a3540c92
JH		 1800# endif
1801# ifdef HAS_FREXPL
dff3e0b8 1802# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1803# else
1804# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1805 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1806# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1807# endif
a3540c92 1808# endif
38dbb4c5 1809# ifndef Perl_isnan
758a5d79
JH		 1810# ifdef HAS_ISNANL
1811# define Perl_isnan(x) isnanl(x)
1812# endif
1813# endif
1814# ifndef Perl_isinf
1815# ifdef HAS_FINITEL
1816# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1817# endif
1818# endif
65202027 1819#else
2d4389e4 1820# define NV_DIG DBL_DIG
d6c14000
JH		 1821# ifdef DBL_MANT_DIG
1822# define NV_MANT_DIG DBL_MANT_DIG
1823# endif
06fc1729
JH		 1824# ifdef DBL_MIN
1825# define NV_MIN DBL_MIN
1826# endif
1827# ifdef DBL_MAX
1828# define NV_MAX DBL_MAX
1829# endif
1830# ifdef DBL_MIN_10_EXP
1831# define NV_MIN_10_EXP DBL_MIN_10_EXP
1832# endif
1833# ifdef DBL_MAX_10_EXP
1834# define NV_MAX_10_EXP DBL_MAX_10_EXP
1835# endif
1836# ifdef DBL_EPSILON
1837# define NV_EPSILON DBL_EPSILON
1838# endif
205f51d8 1839# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1840# define NV_MAX DBL_MAX
1841# define NV_MIN DBL_MIN
1842# else
1843# ifdef HUGE_VAL
1844# define NV_MAX HUGE_VAL
1845# endif
1846# endif
65202027
DS		 1847# define Perl_cos cos
1848# define Perl_sin sin
1849# define Perl_sqrt sqrt
1850# define Perl_exp exp
1851# define Perl_log log
1852# define Perl_atan2 atan2
1853# define Perl_pow pow
1854# define Perl_floor floor
1bbae031 1855# define Perl_ceil ceil
65202027 1856# define Perl_fmod fmod
a3540c92 1857# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1858# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1859#endif
1860
1861/* rumor has it that Win32 has _fpclass() */
1862
205f51d8
AS		 1863/* SGI has fpclassl... but not with the same result values,
1864 * and it's via a typedef (not via #define), so will need to redo Configure
1865 * to use. Not worth the trouble, IMO, at least until the below is used
1866 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1867 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1868 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1869
758a5d79
JH		 1870#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1871# ifdef I_IEEFP
1872# include <ieeefp.h>
1873# endif
1874# ifdef I_FP
1875# include <fp.h>
1876# endif
1877# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1878# define Perl_fp_class() fpclassl(x)
1879# else
1880# define Perl_fp_class() fpclass(x)
1881# endif
1882# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1883# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1884# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1885# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1886# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1887# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1888# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1889# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1890# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1891# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1892# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1893# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1894# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1895# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1896# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1897#endif
1898
7114a2d2 1899#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1900# include <math.h>
1901# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1902# include <fp_class.h>
1903# endif
1904# define Perl_fp_class(x) fp_class(x)
1905# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1906# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1907# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1908# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1909# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1910# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1911# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1912# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1913# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1914# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1915# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1916# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1917# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1918# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1919# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1920#endif
1921
1922#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1923# include <math.h>
1924# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1925# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1926# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1927# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1928# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1929# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1930#endif
1931
1932#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1933# include <math.h>
1934# ifndef _cplusplus
1935# define Perl_fp_class(x) class(x)
1936# else
1937# define Perl_fp_class(x) _class(x)
1938# endif
1939# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1940# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1941# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1942# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1943# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1944# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1945# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1946# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1947# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1948# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1949# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1950# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1951# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1952# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1953# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1954#endif
1955
1956/* rumor has it that Win32 has _isnan() */
1957
1958#ifndef Perl_isnan
a3540c92 1959# ifdef HAS_ISNAN
758a5d79
JH		 1960# define Perl_isnan(x) isnan((NV)x)
1961# else
1962# ifdef Perl_fp_class_nan
1963# define Perl_isnan(x) Perl_fp_class_nan(x)
1964# else
1965# ifdef HAS_UNORDERED
1966# define Perl_isnan(x) unordered((x), 0.0)
1967# else
1968# define Perl_isnan(x) ((x)!=(x))
1969# endif
1970# endif
1971# endif
1972#endif
1973
ca6c63e1
JH		 1974#ifdef UNDER_CE
1975int isnan(double d);
1976#endif
1977
758a5d79
JH		 1978#ifndef Perl_isinf
1979# ifdef HAS_ISINF
1980# define Perl_isinf(x) isinf((NV)x)
a3540c92 1981# else
758a5d79
JH		 1982# ifdef Perl_fp_class_inf
1983# define Perl_isinf(x) Perl_fp_class_inf(x)
1984# else
1985# define Perl_isinf(x) ((x)==NV_INF)
1986# endif
1987# endif
1988#endif
1989
1990#ifndef Perl_isfinite
1991# ifdef HAS_FINITE
1992# define Perl_isfinite(x) finite((NV)x)
1993# else
1994# ifdef HAS_ISFINITE
1995# define Perl_isfinite(x) isfinite(x)
1996# else
1997# ifdef Perl_fp_class_finite
1998# define Perl_isfinite(x) Perl_fp_class_finite(x)
1999# else
2000# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2001# endif
2002# endif
a3540c92 2003# endif
65202027
DS		 2004#endif
2005
a36244b7
JH		 2006/* The default is to use Perl's own atof() implementation (in numeric.c).
2007 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2008 * it is however best to use the native implementation of atof.
2009 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2010 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2011 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2012 * you may need to be using a different function than atof! */
a36244b7
JH		 2013
2014#ifndef USE_PERL_ATOF
2015# ifndef _UNICOS
2016# define USE_PERL_ATOF
2017# endif
2018#else
2019# if USE_PERL_ATOF == 0
2020# undef USE_PERL_ATOF
2021# endif
2022#endif
2023
2024#ifdef USE_PERL_ATOF
2025# define Perl_atof(s) Perl_my_atof(s)
2026# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2027#else
2028# define Perl_atof(s) (NV)atof(s)
2029# define Perl_atof2(s, n) ((n) = atof(s))
2030#endif
cf2093f6 2031
d460ef45 2032/* Previously these definitions used hardcoded figures.
760ac839
LW		 2033 * It is hoped these formula are more portable, although
2034 * no data one way or another is presently known to me.
2035 * The "PERL_" names are used because these calculated constants
2036 * do not meet the ANSI requirements for LONG_MAX, etc., which
2037 * need to be constants acceptable to #if - kja
2038 * define PERL_LONG_MAX 2147483647L
2039 * define PERL_LONG_MIN (-LONG_MAX - 1)
2040 * define PERL ULONG_MAX 4294967295L
2041 */
2042
2043#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2044# include <limits.h>
760ac839 2045#endif
205f51d8
AS		 2046/* Included values.h above if necessary; still including limits.h down here,
2047 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2048
99abf803 2049/*
2050 * Try to figure out max and min values for the integral types. THE CORRECT
2051 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2052 * following hacks are used if neither limits.h or values.h provide them:
2053 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2054 * for types < int: (unsigned TYPE)~(unsigned)0
2055 * The argument to ~ must be unsigned so that later signed->unsigned
2056 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2057 * and it must not be smaller than int because ~ does integral promotion.
2058 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2059 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2060 * The latter is a hack which happens to work on some machines but
2061 * does *not* catch any random system, or things like integer types
2062 * with NaN if that is possible.
2063 *
2064 * All of the types are explicitly cast to prevent accidental loss of
2065 * numeric range, and in the hope that they will be less likely to confuse
2066 * over-eager optimizers.
2067 *
2068 */
27d4fb96 2069
99abf803 2070#define PERL_UCHAR_MIN ((unsigned char)0)
2071
2072#ifdef UCHAR_MAX
2073# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2074#else
99abf803 2075# ifdef MAXUCHAR
2076# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2077# else
99abf803 2078# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2079# endif
2080#endif
d460ef45 2081
99abf803 2082/*
2083 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2084 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2085 * depending on local options. Until Configure detects this (or at least
2086 * detects whether the "signed" keyword is available) the CHAR ranges
2087 * will not be included. UCHAR functions normally.
2088 * - kja
2089 */
27d4fb96 2090
99abf803 2091#define PERL_USHORT_MIN ((unsigned short)0)
2092
2093#ifdef USHORT_MAX
2094# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2095#else
99abf803 2096# ifdef MAXUSHORT
2097# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2098# else
ef2f54b0
CB		 2099# ifdef USHRT_MAX
2100# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2101# else
2102# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2103# endif
27d4fb96 2104# endif
2105#endif
2106
27d4fb96 2107#ifdef SHORT_MAX
99abf803 2108# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2109#else
2110# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2111# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2112# else
ef2f54b0
CB		 2113# ifdef SHRT_MAX
2114# define PERL_SHORT_MAX ((short)SHRT_MAX)
2115# else
2116# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2117# endif
27d4fb96 2118# endif
2119#endif
2120
2121#ifdef SHORT_MIN
99abf803 2122# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2123#else
2124# ifdef MINSHORT
99abf803 2125# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2126# else
ef2f54b0
CB		 2127# ifdef SHRT_MIN
2128# define PERL_SHORT_MIN ((short)SHRT_MIN)
2129# else
2130# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2131# endif
27d4fb96 2132# endif
2133#endif
2134
99abf803 2135#ifdef UINT_MAX
2136# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2137#else
99abf803 2138# ifdef MAXUINT
2139# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2140# else
99abf803 2141# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2142# endif
2143#endif
2144
99abf803 2145#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2146
2147#ifdef INT_MAX
99abf803 2148# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2149#else
2150# ifdef MAXINT /* Often used in <values.h> */
99abf803 2151# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2152# else
99abf803 2153# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2154# endif
2155#endif
2156
2157#ifdef INT_MIN
99abf803 2158# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2159#else
2160# ifdef MININT
99abf803 2161# define PERL_INT_MIN ((int)MININT)
27d4fb96 2162# else
2163# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2164# endif
2165#endif
2166
99abf803 2167#ifdef ULONG_MAX
2168# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2169#else
99abf803 2170# ifdef MAXULONG
2171# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2172# else
99abf803 2173# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2174# endif
2175#endif
2176
99abf803 2177#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2178
760ac839 2179#ifdef LONG_MAX
99abf803 2180# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2181#else
2182# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2183# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2184# else
99abf803 2185# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2186# endif
2187#endif
2188
2189#ifdef LONG_MIN
99abf803 2190# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2191#else
2192# ifdef MINLONG
99abf803 2193# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2194# else
27d4fb96 2195# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2196# endif
2197#endif
2198
d7d93a81 2199#ifdef UV_IS_QUAD
99abf803 2200
99abf803 2201# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2202# define PERL_UQUAD_MIN ((UV)0)
99abf803 2203# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2204# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2205
79072805
LW		 2206#endif
2207
22f7c9c9
JH		 2208#ifdef MYMALLOC
2209# include "malloc_ctl.h"
2210#endif
2211
830247a4 2212struct RExC_state_t;
8e11feef 2213struct _reg_trie_data;
880b20b6 2214
ee0007ab 2215typedef MEM_SIZE STRLEN;
450a55e4 2216
598921a7
NC		 2217#ifdef PERL_MAD
2218typedef struct token TOKEN;
2219typedef struct madprop MADPROP;
2220typedef struct nexttoken NEXTTOKE;
2221#endif
79072805
LW		 2222typedef struct op OP;
2223typedef struct cop COP;
2224typedef struct unop UNOP;
2225typedef struct binop BINOP;
2226typedef struct listop LISTOP;
2227typedef struct logop LOGOP;
79072805
LW		 2228typedef struct pmop PMOP;
2229typedef struct svop SVOP;
7934575e 2230typedef struct padop PADOP;
79072805 2231typedef struct pvop PVOP;
79072805
LW		 2232typedef struct loop LOOP;
2233
cd1541b2
NC		 2234typedef struct interpreter PerlInterpreter;
2235
d2b3f365
SS		 2236/* Amdahl's <ksync.h> has struct sv */
2237/* SGI's <sys/sema.h> has struct sv */
2238#if defined(UTS) || defined(__sgi)
2239# define STRUCT_SV perl_sv
b8d3c5db
JH		 2240#else
2241# define STRUCT_SV sv
2242#endif
2243typedef struct STRUCT_SV SV;
79072805
LW		 2244typedef struct av AV;
2245typedef struct hv HV;
2246typedef struct cv CV;
378cc40b 2247typedef struct regexp REGEXP;
79072805 2248typedef struct gp GP;
0c30d9ec 2249typedef struct gv GV;
8990e307 2250typedef struct io IO;
c09156bb 2251typedef struct context PERL_CONTEXT;
79072805
LW		 2252typedef struct block BLOCK;
2253
2254typedef struct magic MAGIC;
2255typedef struct xpv XPV;
2256typedef struct xpviv XPVIV;
ff68c719 2257typedef struct xpvuv XPVUV;
79072805
LW		 2258typedef struct xpvnv XPVNV;
2259typedef struct xpvmg XPVMG;
2260typedef struct xpvlv XPVLV;
2261typedef struct xpvav XPVAV;
2262typedef struct xpvhv XPVHV;
2263typedef struct xpvgv XPVGV;
2264typedef struct xpvcv XPVCV;
2265typedef struct xpvbm XPVBM;
2266typedef struct xpvfm XPVFM;
8990e307 2267typedef struct xpvio XPVIO;
79072805
LW		 2268typedef struct mgvtbl MGVTBL;
2269typedef union any ANY;
5f7fde29
GS		 2270typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2271typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2272typedef struct clone_params CLONE_PARAMS;
2273
378cc40b 2274#include "handy.h"
a0d0e21e 2275
6b8eaf93 2276#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2277# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2278# define USE_64_BIT_RAWIO /* implicit */
2279# endif
4564133c
JH		 2280#endif
2281
6b8eaf93
JH		 2282/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2283 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2284 * however, because operating systems like to do that themself. */
2285#ifndef FSEEKSIZE
2286# ifdef HAS_FSEEKO
2287# define FSEEKSIZE LSEEKSIZE
2288# else
2289# define FSEEKSIZE LONGSIZE
d460ef45 2290# endif
6b8eaf93
JH		 2291#endif
2292
2293#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2294# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2295# define USE_64_BIT_STDIO /* implicit */
2296# endif
2297#endif
4564133c 2298
09458382 2299#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2300# ifdef HAS_OFF64_T
2301# undef Off_t
2302# define Off_t off64_t
2303# undef LSEEKSIZE
2304# define LSEEKSIZE 8
5ff3f7a4 2305# endif
d9b3e12d
JH		 2306/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2307 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2308 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2309# if defined(USE_OPEN64)
2310# define open open64
5ff3f7a4 2311# endif
d9b3e12d
JH		 2312# if defined(USE_LSEEK64)
2313# define lseek lseek64
6b8eaf93
JH		 2314# else
2315# if defined(USE_LLSEEK)
2316# define lseek llseek
2317# endif
d9b3e12d
JH		 2318# endif
2319# if defined(USE_STAT64)
2320# define stat stat64
2321# endif
2322# if defined(USE_FSTAT64)
2323# define fstat fstat64
2324# endif
2325# if defined(USE_LSTAT64)
2326# define lstat lstat64
2327# endif
2328# if defined(USE_FLOCK64)
2329# define flock flock64
2330# endif
2331# if defined(USE_LOCKF64)
2332# define lockf lockf64
2333# endif
2334# if defined(USE_FCNTL64)
2335# define fcntl fcntl64
2336# endif
2337# if defined(USE_TRUNCATE64)
2338# define truncate truncate64
2339# endif
2340# if defined(USE_FTRUNCATE64)
2341# define ftruncate ftruncate64
2342# endif
2343#endif
2344
2345#ifdef USE_64_BIT_STDIO
2346# ifdef HAS_FPOS64_T
2347# undef Fpos_t
2348# define Fpos_t fpos64_t
2349# endif
2350/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2351 * will trigger defines like the ones below. Some 64-bit environments,
2352 * however, do not. */
2353# if defined(USE_FOPEN64)
2354# define fopen fopen64
2355# endif
2356# if defined(USE_FSEEK64)
6b8eaf93 2357# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2358# endif
2359# if defined(USE_FTELL64)
6b8eaf93 2360# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2361# endif
2362# if defined(USE_FSETPOS64)
2363# define fsetpos fsetpos64
2364# endif
2365# if defined(USE_FGETPOS64)
2366# define fgetpos fgetpos64
2367# endif
2368# if defined(USE_TMPFILE64)
2369# define tmpfile tmpfile64
2370# endif
2371# if defined(USE_FREOPEN64)
2372# define freopen freopen64
5ff3f7a4
GS		 2373# endif
2374#endif
2375
af8b425d 2376#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2377# include "iperlsys.h"
2378#endif
2379
6f71a643 2380#if defined(__OPEN_VM)
19848b3f
JH		 2381# include "vmesa/vmesaish.h"
2382# define ISHISH "vmesa"
6f71a643
JH		 2383#endif
2384
748a9306 2385#ifdef DOSISH
19848b3f
JH		 2386# if defined(OS2)
2387# include "os2ish.h"
2388# else
2389# include "dosish.h"
2390# endif
2391# define ISHISH "dos"
2392#endif
2393
2394#if defined(VMS)
748a9306 2395# include "vmsish.h"
96e176bf 2396# include "embed.h"
eb8433b7
NC		 2397# ifndef PERL_MAD
2398# undef op_getmad
b3f24c00 2399# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2400# endif
19848b3f
JH		 2401# define ISHISH "vms"
2402#endif
2403
2404#if defined(PLAN9)
2405# include "./plan9/plan9ish.h"
2406# define ISHISH "plan9"
2407#endif
2408
2409#if defined(MPE)
2410# include "mpeix/mpeixish.h"
2411# define ISHISH "mpeix"
2412#endif
2413
2414#if defined(__VOS__)
196918b0
PG		 2415# ifdef __GNUC__
2416# include "./vos/vosish.h"
2417# else
2418# include "vos/vosish.h"
2419# endif
19848b3f
JH		 2420# define ISHISH "vos"
2421#endif
2422
2423#if defined(EPOC)
2424# include "epocish.h"
2425# define ISHISH "epoc"
2426#endif
2427
9969cdde 2428#ifdef __SYMBIAN32__
27da23d5
JH		 2429# include "symbian/symbianish.h"
2430# include "embed.h"
eb8433b7
NC		 2431# ifndef PERL_MAD
2432# undef op_getmad
b3f24c00 2433# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2434# endif
27da23d5
JH		 2435# define ISHISH "symbian"
2436#endif
2437
19848b3f
JH		 2438#if defined(MACOS_TRADITIONAL)
2439# include "macos/macish.h"
2440# ifndef NO_ENVIRON_ARRAY
2441# define NO_ENVIRON_ARRAY
0c30d9ec 2442# endif
19848b3f
JH		 2443# define ISHISH "macos classic"
2444#endif
2445
efca5cc6
JH		 2446#if defined(__BEOS__)
2447# include "beos/beosish.h"
2448# define ISHISH "beos"
2449#endif
2450
19848b3f
JH		 2451#ifndef ISHISH
2452# include "unixish.h"
2453# define ISHISH "unix"
13b6e58c
JH		 2454#endif
2455
2946a158
JH		 2456/* NSIG logic from Configure --> */
2457/* Strange style to avoid deeply-nested #if/#else/#endif */
2458#ifndef NSIG
2459# ifdef _NSIG
2460# define NSIG (_NSIG)
2461# endif
2462#endif
2463
2464#ifndef NSIG
2465# ifdef SIGMAX
2466# define NSIG (SIGMAX+1)
2467# endif
2468#endif
2469
2470#ifndef NSIG
2471# ifdef SIG_MAX
2472# define NSIG (SIG_MAX+1)
2473# endif
2474#endif
2475
2476#ifndef NSIG
2477# ifdef _SIG_MAX
2478# define NSIG (_SIG_MAX+1)
2479# endif
2480#endif
2481
2482#ifndef NSIG
2483# ifdef MAXSIG
2484# define NSIG (MAXSIG+1)
2485# endif
2486#endif
2487
2488#ifndef NSIG
2489# ifdef MAX_SIG
2490# define NSIG (MAX_SIG+1)
2491# endif
2492#endif
2493
2494#ifndef NSIG
2495# ifdef SIGARRAYSIZE
2496# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2497# endif
2498#endif
2499
2500#ifndef NSIG
2501# ifdef _sys_nsig
2502# define NSIG (_sys_nsig) /* Solaris 2.5 */
2503# endif
2504#endif
2505
2506/* Default to some arbitrary number that's big enough to get most
2507 of the common signals.
2508*/
2509#ifndef NSIG
2510# define NSIG 50
2511#endif
2512/* <-- NSIG logic from Configure */
2513
13b6e58c
JH		 2514#ifndef NO_ENVIRON_ARRAY
2515# define USE_ENVIRON_ARRAY
2516#endif
32f822de 2517
c77b533b
JH		 2518/*
2519 * initialise to avoid floating-point exceptions from overflow, etc
2520 */
2521#ifndef PERL_FPU_INIT
2522# ifdef HAS_FPSETMASK
2523# if HAS_FLOATINGPOINT_H
2524# include <floatingpoint.h>
2525# endif
2526# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2527# else
2f42fcb0 2528# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
8aad04aa 2529# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2530# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2531# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2532# else
2533# define PERL_FPU_INIT
2f42fcb0 2534
7014c407 2535# endif
c77b533b
JH		 2536# endif
2537#endif
b35112e7
CS		 2538#ifndef PERL_FPU_PRE_EXEC
2539# define PERL_FPU_PRE_EXEC {
2540# define PERL_FPU_POST_EXEC }
2541#endif
c77b533b 2542
ed344e4f
IZ		 2543#ifndef PERL_SYS_INIT3
2544# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2545#endif
2546
be708cc0
JH		 2547#ifndef PERL_WRITE_MSG_TO_CONSOLE
2548# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2549#endif
2550
0f31cffe
GS		 2551#ifndef MAXPATHLEN
2552# ifdef PATH_MAX
b990c8b2
JH		 2553# ifdef _POSIX_PATH_MAX
2554# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2555/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2556 * included the null byte or not. Later amendments of POSIX,
2557 * XPG4, the Austin Group, and the Single UNIX Specification
2558 * all explicitly include the null byte in the PATH_MAX.
2559 * Ditto for _POSIX_PATH_MAX. */
2560# define MAXPATHLEN PATH_MAX
b990c8b2 2561# else
09448d78 2562# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2563# endif
2564# else
2565# define MAXPATHLEN (PATH_MAX+1)
2566# endif
0f31cffe 2567# else
b990c8b2 2568# ifdef _POSIX_PATH_MAX
09448d78 2569# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2570# else
2571# define MAXPATHLEN 1024 /* Err on the large side. */
2572# endif
0f31cffe
GS		 2573# endif
2574#endif
2575
c80263a8
SH		 2576/* In case Configure was not used (we are using a "canned config"
2577 * such as Win32, or a cross-compilation setup, for example) try going
2578 * by the gcc major and minor versions. One useful URL is
2579 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2580 * but contrary to this information warn_unused_result seems
2581 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2582 * Also, when building extensions with an installed perl, this allows
2583 * the user to upgrade gcc and get the right attributes, rather than
2584 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2585 * Set these up now otherwise we get confused when some of the <*thread.h>
2586 * includes below indirectly pull in <perlio.h> (which needs to know if we
2587 * have HASATTRIBUTE_FORMAT).
2588 */
2589
fc2007d4 2590#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH		 2591# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2592# define HASATTRIBUTE_FORMAT
2593# endif
2594# if __GNUC__ >= 3 /* 3.0 -> */
2595# define HASATTRIBUTE_MALLOC
2596# endif
2597# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2598# define HASATTRIBUTE_NONNULL
2599# endif
2600# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2601# define HASATTRIBUTE_NORETURN
2602# endif
2603# if __GNUC__ >= 3 /* gcc 3.0 -> */
2604# define HASATTRIBUTE_PURE
2605# endif
42bf5550
AD		 2606# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2607 /* This actually works for gcc-3.3, but not for g++-3.3. */
c80263a8
SH		 2608# define HASATTRIBUTE_UNUSED
2609# endif
2610# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2611# define HASATTRIBUTE_WARN_UNUSED_RESULT
2612# endif
2613#endif
2614
3db8f154 2615/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2616 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2617 * this results in many functions being undeclared which bothers C++
2618 * May make sense to have threads after "*ish.h" anyway
2619 */
2620
3db8f154 2621#if defined(USE_ITHREADS)
2986a63f
JH		 2622# ifdef NETWARE
2623# include <nw5thread.h>
2624# else
32f822de
GS		 2625# ifdef FAKE_THREADS
2626# include "fakethr.h"
2627# else
2628# ifdef WIN32
2629# include <win32thread.h>
2630# else
dd96f567
IZ		 2631# ifdef OS2
2632# include "os2thread.h"
2633# else
7f3d1cf1 2634# ifdef I_MACH_CTHREADS
bdd66968 2635# include <mach/cthreads.h>
8f1f23e8 2636# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2637# define MUTEX_INIT_CALLS_MALLOC
2638# endif
7f3d1cf1
BH		 2639typedef cthread_t perl_os_thread;
2640typedef mutex_t perl_mutex;
2641typedef condition_t perl_cond;
2642typedef void * perl_key;
2643# else /* Posix threads */
1f5ae88c
JH		 2644# ifdef I_PTHREAD
2645# include <pthread.h>
2646# endif
7f3d1cf1
BH		 2647typedef pthread_t perl_os_thread;
2648typedef pthread_mutex_t perl_mutex;
2649typedef pthread_cond_t perl_cond;
2650typedef pthread_key_t perl_key;
2651# endif /* I_MACH_CTHREADS */
dd96f567 2652# endif /* OS2 */
32f822de
GS		 2653# endif /* WIN32 */
2654# endif /* FAKE_THREADS */
2986a63f 2655#endif /* NETWARE */
3db8f154 2656#endif /* USE_ITHREADS */
c5be433b 2657
66a93824 2658#if defined(WIN32)
1feb2720 2659# include "win32.h"
c5be433b
GS		 2660#endif
2661
2986a63f
JH		 2662#ifdef NETWARE
2663# include "netware.h"
2664#endif
2665
e5218da5 2666#define STATUS_UNIX PL_statusvalue
68dc0745 2667#ifdef VMS
6b88bc9c 2668# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2669/*
2670 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2671 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2672 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2673 * be updated also.
2674 */
2675# include <stsdef.h>
2676# include <ssdef.h>
2677/* Presume this because if VMS changes it, it will require a new
2678 * set of APIs for waiting on children for binary compatibility.
2679 */
2680# define child_offset_bits (8)
2681# ifndef C_FAC_POSIX
2682# define C_FAC_POSIX 0x35A000
2683# endif
2684
2685/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2686 * platform from the existing UNIX or Native status values.
2687 */
2688
37038d91 2689# define STATUS_EXIT \
7a7fd8e0
JM		 2690 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2691 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2692
7a7fd8e0 2693
fb38d079
JM		 2694/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2695 * exit code and shifts the UNIX value over the correct number of bits to
2696 * be a child status. Usually the number of bits is 8, but that could be
2697 * platform dependent. The NATIVE status code is presumed to have either
2698 * from a child process.
7a7fd8e0
JM		 2699 */
2700
fb38d079
JM		 2701/* This is complicated. The child processes return a true native VMS
2702 status which must be saved. But there is an assumption in Perl that
2703 the UNIX child status has some relationship to errno values, so
2704 Perl tries to translate it to text in some of the tests.
2705 In order to get the string translation correct, for the error, errno
2706 must be EVMSERR, but that generates a different text message
2707 than what the test programs are expecting. So an errno value must
2708 be derived from the native status value when an error occurs.
2709 That will hide the true native status message. With this version of
2710 perl, the true native child status can always be retrieved so that
2711 is not a problem. But in this case, Pl_statusvalue and errno may
2712 have different values in them.
2713 */
7a7fd8e0 2714
fb38d079 2715# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2716 STMT_START { \
2fbb330f
JM		 2717 I32 evalue = (I32)n; \
2718 if (evalue == EVMSERR) { \
2719 PL_statusvalue_vms = vaxc$errno; \
2720 PL_statusvalue = evalue; \
7a7fd8e0 2721 } else { \
2fbb330f 2722 PL_statusvalue_vms = evalue; \
fb38d079 2723 if (evalue == -1) { \
3280af22 2724 PL_statusvalue = -1; \
7a7fd8e0
JM		 2725 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2726 } else \
fb38d079 2727 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2728 set_vaxc_errno(evalue); \
fb38d079
JM		 2729 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2730 set_errno(EVMSERR); \
2731 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2732 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2733 } \
68dc0745 2734 } STMT_END
7a7fd8e0 2735
68dc0745 2736# ifdef VMSISH_STATUS
e5218da5 2737# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2738# else
e5218da5 2739# define STATUS_CURRENT STATUS_UNIX
68dc0745 2740# endif
7a7fd8e0
JM		 2741
2742 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2743 * the NATIVE status to an equivalent value. Can not be used to translate
2744 * exit code values as exit code values are not guaranteed to have any
2745 * relationship at all to errno values.
2746 * This is used when Perl is forcing errno to have a specific value.
2747 */
e5218da5 2748# define STATUS_UNIX_SET(n) \
68dc0745 2749 STMT_START { \
7a7fd8e0 2750 I32 evalue = (I32)n; \
0968cdad 2751 PL_statusvalue = evalue; \
3280af22 2752 if (PL_statusvalue != -1) { \
0968cdad
JM		 2753 if (PL_statusvalue != EVMSERR) { \
2754 PL_statusvalue &= 0xFFFF; \
2755 if (MY_POSIX_EXIT) \
2756 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2757 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2758 } \
2759 else { \
2760 PL_statusvalue_vms = vaxc$errno; \
2761 } \
68dc0745 2762 } \
0968cdad
JM		 2763 else PL_statusvalue_vms = SS$_ABORT; \
2764 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2765 } STMT_END
2766
2767 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2768 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2769 * the UNIX/POSIX exit codes have any relationship to errno, except
2770 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2771 * with the Perl VMS documentation, any other code sets the NATIVE
2772 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2773 *
2774 * In the new POSIX EXIT mode, native status will be set so that the
2775 * actual exit code will can be retrieved by the calling program or
2776 * shell.
2777 *
2778 * If the exit code is not clearly a UNIX parent or child exit status,
2779 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2780 */
2781
fb38d079 2782# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2783 STMT_START { \
2784 I32 evalue = (I32)n; \
2785 PL_statusvalue = evalue; \
fb38d079
JM		 2786 if (evalue != -1) { \
2787 if (evalue <= 0xFF00) { \
2788 if (evalue > 0xFF) \
2789 evalue = (evalue >> child_offset_bits) & 0xFF; \
2790 if (evalue == 0) \
2791 PL_statusvalue_vms == SS$_NORMAL; \
2792 else \
2793 if (MY_POSIX_EXIT) \
2794 PL_statusvalue_vms = \
2795 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2796 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2797 else \
6ac6a52b 2798 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2799 } else { /* forgive them Perl, for they have sinned */ \
2800 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2801 else PL_statusvalue_vms = vaxc$errno; \
2802 /* And obviously used a VMS status value instead of UNIX */ \
2803 PL_statusvalue = EVMSERR; \
2804 } \
7a7fd8e0
JM		 2805 } \
2806 else PL_statusvalue_vms = SS$_ABORT; \
2807 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2808 } STMT_END
fb38d079 2809
6ac6a52b
JM		 2810 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2811 * and sets the NATIVE error status based on it. This special case
2812 * is needed to maintain compatibility with past VMS behavior.
2813 *
2814 * In the default mode on VMS, this number is passed through as
2815 * both the NATIVE and UNIX status. Which makes it different
2816 * that the STATUS_UNIX_EXIT_SET.
2817 *
2818 * In the new POSIX EXIT mode, native status will be set so that the
2819 * actual exit code will can be retrieved by the calling program or
2820 * shell.
2821 *
2822 */
2823
2824# define STATUS_EXIT_SET(n) \
2825 STMT_START { \
2826 I32 evalue = (I32)n; \
2827 PL_statusvalue = evalue; \
2828 if (MY_POSIX_EXIT) \
2829 PL_statusvalue_vms = \
2830 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2831 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2832 else \
2833 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2834 set_vaxc_errno(PL_statusvalue_vms); \
2835 } STMT_END
2836
fb38d079
JM		 2837
2838 /* This macro forces a success status */
7a7fd8e0
JM		 2839# define STATUS_ALL_SUCCESS \
2840 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2841
2842 /* This macro forces a failure status */
7a7fd8e0
JM		 2843# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2844 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2845 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2846
68dc0745 2847#else
e5218da5 2848# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2849# if defined(WCOREDUMP)
37038d91 2850# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2851 STMT_START { \
2852 PL_statusvalue_posix = (n); \
2853 if (PL_statusvalue_posix == -1) \
2854 PL_statusvalue = -1; \
2855 else { \
2856 PL_statusvalue = \
2857 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2858 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2859 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2860 } \
2861 } STMT_END
2862# elif defined(WIFEXITED)
37038d91 2863# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2864 STMT_START { \
2865 PL_statusvalue_posix = (n); \
2866 if (PL_statusvalue_posix == -1) \
2867 PL_statusvalue = -1; \
2868 else { \
2869 PL_statusvalue = \
2870 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2871 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2872 } \
2873 } STMT_END
2874# else
37038d91 2875# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2876 STMT_START { \
2877 PL_statusvalue_posix = (n); \
2878 if (PL_statusvalue_posix == -1) \
2879 PL_statusvalue = -1; \
2880 else { \
2881 PL_statusvalue = \
2882 PL_statusvalue_posix & 0xFFFF; \
2883 } \
2884 } STMT_END
2885# endif
2886# define STATUS_UNIX_SET(n) \
68dc0745 2887 STMT_START { \
3280af22
NIS		 2888 PL_statusvalue = (n); \
2889 if (PL_statusvalue != -1) \
2890 PL_statusvalue &= 0xFFFF; \
68dc0745 2891 } STMT_END
7a7fd8e0 2892# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2893# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2894# define STATUS_CURRENT STATUS_UNIX
37038d91 2895# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2896# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2897# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2898#endif
2899
cc3604b1
GS		 2900/* flags in PL_exit_flags for nature of exit() */
2901#define PERL_EXIT_EXPECTED 0x01
31d77e54 2902#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2903
0b94c7bb 2904#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2905# define MEMBER_TO_FPTR(name) name
2906#endif
2907
2908/* format to use for version numbers in file/directory names */
273cf8d1 2909/* XXX move to Configure? */
a7cb1f99 2910#ifndef PERL_FS_VER_FMT
273cf8d1 2911# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2912#endif
2913
45bc9206 2914/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2915 * performance issue, so we allow people to disable it. Also, if
2916 * we are using stdio, there are broken implementations of fflush(NULL)
2917 * out there, Solaris being the most prominent.
45bc9206
GS		 2918 */
2919#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2920# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2921# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2922# else
2923# ifdef FFLUSH_ALL
2924# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2925# else
c5be433b 2926# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2927# endif
66fe083f 2928# endif
45bc9206
GS		 2929#endif
2930
7766f137
GS		 2931#ifndef PERL_WAIT_FOR_CHILDREN
2932# define PERL_WAIT_FOR_CHILDREN NOOP
2933#endif
2934
ba869deb 2935/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2936#ifndef PERL_SET_INTERP
2937# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2938#endif
2939
2940#ifndef PERL_GET_INTERP
2941# define PERL_GET_INTERP (PL_curinterp)
2942#endif
2943
54aff467 2944#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2945# ifdef MULTIPLICITY
ba869deb 2946# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2947# endif
ba869deb
GS		 2948# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2949#endif
2950
8896765a
RB		 2951/*
2952 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2953 All that is required is that the perl source does not
8896765a
RB		 2954 use "%-p" or "%-<number>p" or "%<number>p" formats.
2955 These formats will still work in perl code.
2956 See comments in sv.c for futher details.
2957
2958 -DvdNUMBER=<number> can be used to redefine VDf
2959
2960 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
2961 which works properly but gives compiler warnings
2962
2963 Robin Barker 2005-07-14
0dbb1585 2964*/
8896765a
RB		 2965
2966#ifndef SVf_
63ce7bf0 2967# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 2968#endif
2969
8896765a 2970#ifndef SVf
104abab4 2971# define SVf "-p"
d2560b70
RB		 2972#endif
2973
014ead4b 2974#ifndef SVf32
8896765a 2975# define SVf32 SVf_(32)
014ead4b
RB		 2976#endif
2977
2978#ifndef SVf256
8896765a
RB		 2979# define SVf256 SVf_(256)
2980#endif
2981
2982#ifndef vdNUMBER
2983# define vdNUMBER 1
2984#endif
2985
2986#ifndef VDf
2987# if vdNUMBER
63ce7bf0 2988# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB		 2989# else
2990# define VDf "vd"
2991# endif
014ead4b
RB		 2992#endif
2993
2994#ifndef UVf
2995# define UVf UVuf
d2560b70
RB		 2996#endif
2997
0dbb1585
AL		 2998#ifdef HASATTRIBUTE_FORMAT
2999# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3000#endif
3001#ifdef HASATTRIBUTE_MALLOC
77785eea 3002# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3003#endif
0dbb1585 3004#ifdef HASATTRIBUTE_NONNULL
abb2c242 3005# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3006#endif
0dbb1585 3007#ifdef HASATTRIBUTE_NORETURN
abb2c242 3008# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3009#endif
0dbb1585 3010#ifdef HASATTRIBUTE_PURE
abb2c242 3011# define __attribute__pure__ __attribute__((pure))
f22be1b8 3012#endif
0dbb1585
AL		 3013#ifdef HASATTRIBUTE_UNUSED
3014# define __attribute__unused__ __attribute__((unused))
3015#endif
3016#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3017# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3018#endif
3019
0dbb1585
AL		 3020/* If we haven't defined the attributes yet, define them to blank. */
3021#ifndef __attribute__format__
3022# define __attribute__format__(x,y,z)
3023#endif
f22be1b8 3024#ifndef __attribute__malloc__
abb2c242 3025# define __attribute__malloc__
f22be1b8
JH		 3026#endif
3027#ifndef __attribute__nonnull__
abb2c242 3028# define __attribute__nonnull__(a)
f22be1b8
JH		 3029#endif
3030#ifndef __attribute__noreturn__
abb2c242 3031# define __attribute__noreturn__
f22be1b8
JH		 3032#endif
3033#ifndef __attribute__pure__
abb2c242 3034# define __attribute__pure__
f22be1b8 3035#endif
0dbb1585
AL		 3036#ifndef __attribute__unused__
3037# define __attribute__unused__
3038#endif
f22be1b8 3039#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3040# define __attribute__warn_unused_result__
3041#endif
3042
0dbb1585
AL		 3043/* For functions that are marked as __attribute__noreturn__, it's not
3044 appropriate to call return. In either case, include the lint directive.
3045 */
3046#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3047# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3048#else
b37c2d43 3049# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3050#endif
3051
635aebb7 3052#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3053# define EXPECT(expr,val) __builtin_expect(expr,val)
3054#else
3055# define EXPECT(expr,val) (expr)
3056#endif
3057#define LIKELY(cond) EXPECT(cond,1)
3058#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3059#ifdef HAS_BUILTIN_CHOOSE_EXPR
3060/* placeholder */
3061#endif
b37c2d43 3062
3fc1aec6 3063/* Some unistd.h's give a prototype for pause() even though
3064 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3065 below to be rejected by the compiler. Sigh.
3fc1aec6 3066*/
3067#ifdef HAS_PAUSE
3068#define Pause pause
3069#else
3070#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3071#endif
3072
3073#ifndef IOCPARM_LEN
3074# ifdef IOCPARM_MASK
61f1c44b 3075 /* on BSDish systems we're safe */
748a9306
LW		 3076# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3077# else
61f1c44b 3078# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3079 /* on Linux systems we're safe; except when we're not [perl #38223] */
3080# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3081# else
748a9306 3082 /* otherwise guess at what's safe */
61f1c44b
JVD		 3083# define IOCPARM_LEN(x) 256
3084# endif
748a9306 3085# endif
a0d0e21e
LW		 3086#endif
3087
1761cee5 3088#if defined(__CYGWIN__)
521e0776
GS		 3089/* USEMYBINMODE
3090 * This symbol, if defined, indicates that the program should
16fe6d59 3091 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3092 * that a file is in "binary" mode -- that is, that no translation
3093 * of bytes occurs on read or write operations.
3094 */
36894f0b 3095# define USEMYBINMODE /**/
77a40698 3096# include <io.h> /* for setmode() prototype */
16fe6d59 3097# define my_binmode(fp, iotype, mode) \
77a40698 3098 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3099#endif
3100
88d10794
JH		 3101#ifdef __CYGWIN__
3102void init_os_extras(void);
3103#endif
3104
cea2e8a9
GS		 3105#ifdef UNION_ANY_DEFINITION
3106UNION_ANY_DEFINITION;
3107#else
3108union any {
3109 void* any_ptr;
3110 I32 any_i32;
3111 IV any_iv;
3112 long any_long;
9febdf04 3113 bool any_bool;
c76ac1ee 3114 void (*any_dptr) (void*);
acfe0abc 3115 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3116};
3117#endif
3118
acfe0abc 3119typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3120
3121#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3122#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3123#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3124
c5078cac
JH		 3125#if defined(_AIX) && !defined(_AIX43)
3126#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3127/* We cannot include <crypt.h> to get the struct crypt_data
3128 * because of setkey prototype problems when threading */
3129typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3130 /* From OSF, Not needed in AIX
3131 char C[28], D[28];
3132 */
3133 char E[48];
3134 char KS[16][48];
3135 char block[66];
3136 char iobuf[16];
3137} CRYPTD;
3138#endif /* threading */
3139#endif /* AIX */
3140
af8b425d 3141#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3142# include "iperlsys.h"
3143#endif
504f80c1 3144
d10dc2ae
JH		 3145/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3146 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3147 * defined by Configure, despite their names being similar to the
3148 * other defines like USE_ITHREADS. Configure in fact knows nothing
3149 * about the randomised hashes. Therefore to enable/disable the hash
3150 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3151#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3152# define USE_HASH_SEED
504f80c1
JH		 3153#endif
3154
598921a7
NC		 3155/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3156 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3157 * it's not really needed.
3158 */
3159#if defined(WIN32)
3160# define YYTOKENTYPE
3161#endif
3162#include "perly.h"
3163
3164#ifdef PERL_MAD
3165struct nexttoken {
3166 YYSTYPE next_val; /* value of next token, if any */
3167 I32 next_type; /* type of next token */
3168 MADPROP *next_mad; /* everything else about that token */
3169};
3170#endif
3171
378cc40b 3172#include "regexp.h"
79072805 3173#include "sv.h"
378cc40b 3174#include "util.h"
8d063cd8 3175#include "form.h"
79072805 3176#include "gv.h"
dd2155a4 3177#include "pad.h"
79072805 3178#include "cv.h"
abdd5c84 3179#include "opnames.h"
79072805 3180#include "op.h"
b3ca2e83 3181#include "hv.h"
79072805
LW		 3182#include "cop.h"
3183#include "av.h"
79072805
LW		 3184#include "mg.h"
3185#include "scope.h"
4438c4b7 3186#include "warnings.h"
a0ed51b3 3187#include "utf8.h"
8d063cd8 3188
7fae4e64
GS		 3189
3190typedef struct _sublex_info SUBLEXINFO;
3191struct _sublex_info {
3192 I32 super_state; /* lexer state to save */
3193 I32 sub_inwhat; /* "lex_inwhat" to use */
3194 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 3195 char *super_bufptr; /* PL_bufptr that was */
3196 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 3197};
3198
455ece5e 3199typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3200
2c2d71f5 3201struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3202struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3203
6f51351d
NC		 3204/* Keep next first in this structure, because sv_free_arenas take
3205 advantage of this to share code between the pte arenas and the SV
3206 body arenas */
5f7fde29
GS		 3207struct ptr_tbl_ent {
3208 struct ptr_tbl_ent* next;
53c1dcc0 3209 const void* oldval;
5f7fde29 3210 void* newval;
d18c6117
GS		 3211};
3212
5f7fde29
GS		 3213struct ptr_tbl {
3214 struct ptr_tbl_ent** tbl_ary;
3215 UV tbl_max;
3216 UV tbl_items;
d18c6117
GS		 3217};
3218
450a55e4 3219#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3220# define I286
3221#endif
3222
fe14fcc3
LW		 3223#if defined(htonl) && !defined(HAS_HTONL)
3224#define HAS_HTONL
ae986130 3225#endif
fe14fcc3
LW		 3226#if defined(htons) && !defined(HAS_HTONS)
3227#define HAS_HTONS
ae986130 3228#endif
fe14fcc3
LW		 3229#if defined(ntohl) && !defined(HAS_NTOHL)
3230#define HAS_NTOHL
ae986130 3231#endif
fe14fcc3
LW		 3232#if defined(ntohs) && !defined(HAS_NTOHS)
3233#define HAS_NTOHS
ae986130 3234#endif
fe14fcc3 3235#ifndef HAS_HTONL
d9d8d8de 3236#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3237#define HAS_HTONS
3238#define HAS_HTONL
3239#define HAS_NTOHS
3240#define HAS_NTOHL
a687059c
LW		 3241#define MYSWAP
3242#define htons my_swap
3243#define htonl my_htonl
3244#define ntohs my_swap
3245#define ntohl my_ntohl
3246#endif
3247#else
d9d8d8de 3248#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3249#undef HAS_HTONS
3250#undef HAS_HTONL
3251#undef HAS_NTOHS
3252#undef HAS_NTOHL
a687059c
LW		 3253#endif
3254#endif
3255
988174c1
LW		 3256/*
3257 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3258 * -DWS
3259 */
3260#if BYTEORDER != 0x1234
3261# define HAS_VTOHL
3262# define HAS_VTOHS
3263# define HAS_HTOVL
3264# define HAS_HTOVS
c67712b2 3265# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3266# define vtohl(x) ((((x)&0xFF)<<24) \
3267 +(((x)>>24)&0xFF) \
3268 +(((x)&0x0000FF00)<<8) \
3269 +(((x)&0x00FF0000)>>8) )
3270# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3271# define htovl(x) vtohl(x)
3272# define htovs(x) vtohs(x)
3273# endif
3274 /* otherwise default to functions in util.c */
2a8c3029 3275#ifndef htovs
c623ac67
GS		 3276short htovs(short n);
3277short vtohs(short n);
3278long htovl(long n);
3279long vtohl(long n);
988174c1 3280#endif
2a8c3029 3281#endif
988174c1 3282
3bb7c1b4
JH		 3283/* *MAX Plus 1. A floating point value.
3284 Hopefully expressed in a way that dodgy floating point can't mess up.
3285 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3286 is added to it
3287 May find that some broken compiler will want the value cast to I32.
3288 [after the shift, as signed >> may not be as secure as unsigned >>]
3289*/
3290#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3291#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3292/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3293 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3294 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3295*/
3296#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3297
3bb7c1b4
JH		 3298#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3299#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3300#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3301
3302/* This may look like unnecessary jumping through hoops, but converting
3303 out of range floating point values to integers *is* undefined behaviour,
3304 and it is starting to bite.
3305*/
3306#ifndef CAST_INLINE
65202027 3307#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3308#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3309#define I_V(what) (cast_iv((NV)(what)))
3310#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3311#else
3312#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3313 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3314 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3315#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3316 : ((n) < U32_MAX_P1 ? (U32) (n) \
3317 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3318#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3319 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3320 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3321#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3322 : ((n) < UV_MAX_P1 ? (UV) (n) \
3323 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3324#endif
3325
3326#define U_S(what) ((U16)U_32(what))
3327#define U_I(what) ((unsigned int)U_32(what))
3328#define U_L(what) U_32(what)
ed6116ce 3329
2d4389e4
JH		 3330/* These do not care about the fractional part, only about the range. */
3331#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3332#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3333
25da4f38
IZ		 3334/* Used with UV/IV arguments: */
3335 /* XXXX: need to speed it up */
3336#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3337#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3338
352d5a3a
LW		 3339#ifndef MAXSYSFD
3340# define MAXSYSFD 2
3341#endif
ee0007ab 3342
79072805 3343#ifndef __cplusplus
27da23d5 3344#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3345Uid_t getuid (void);
3346Uid_t geteuid (void);
3347Gid_t getgid (void);
3348Gid_t getegid (void);
79072805 3349#endif
e1caacb4 3350#endif
8d063cd8 3351
0c30d9ec 3352#ifndef Perl_debug_log
bf49b057
GS		 3353# define Perl_debug_log PerlIO_stderr()
3354#endif
3355
3356#ifndef Perl_error_log
3357# define Perl_error_log (PL_stderrgv \
6b78add2 3358 && isGV(PL_stderrgv) \
01bb7c6d 3359 && GvIOp(PL_stderrgv) \
42de951c 3360 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3361 ? IoOFP(GvIOp(PL_stderrgv)) \
3362 : PerlIO_stderr())
0c30d9ec 3363#endif
3967c732 3364
aea4f609
DM		 3365
3366#define DEBUG_p_FLAG 0x00000001 /* 1 */
3367#define DEBUG_s_FLAG 0x00000002 /* 2 */
3368#define DEBUG_l_FLAG 0x00000004 /* 4 */
3369#define DEBUG_t_FLAG 0x00000008 /* 8 */
3370#define DEBUG_o_FLAG 0x00000010 /* 16 */
3371#define DEBUG_c_FLAG 0x00000020 /* 32 */
3372#define DEBUG_P_FLAG 0x00000040 /* 64 */
3373#define DEBUG_m_FLAG 0x00000080 /* 128 */
3374#define DEBUG_f_FLAG 0x00000100 /* 256 */
3375#define DEBUG_r_FLAG 0x00000200 /* 512 */
3376#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3377#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 3378 /* spare */
aea4f609
DM		 3379#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3380#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3381#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3382#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3383#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3384#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3385#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3386#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3387#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3388#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3389#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3390#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3391
3392#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3393#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3394 that something was done? */
aea4f609 3395
bd16a5f0
IZ		 3396# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3397# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3398# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3399# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3400# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3401# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3402# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3403# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3404# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3405# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3406# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3407# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 3408# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3409# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3410# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3411# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3412# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3413# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3414# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3415# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3416# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3417# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3418# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3419# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3420
3967c732 3421#ifdef DEBUGGING
aea4f609 3422
bd16a5f0
IZ		 3423# define DEBUG_p_TEST DEBUG_p_TEST_
3424# define DEBUG_s_TEST DEBUG_s_TEST_
3425# define DEBUG_l_TEST DEBUG_l_TEST_
3426# define DEBUG_t_TEST DEBUG_t_TEST_
3427# define DEBUG_o_TEST DEBUG_o_TEST_
3428# define DEBUG_c_TEST DEBUG_c_TEST_
3429# define DEBUG_P_TEST DEBUG_P_TEST_
3430# define DEBUG_m_TEST DEBUG_m_TEST_
3431# define DEBUG_f_TEST DEBUG_f_TEST_
3432# define DEBUG_r_TEST DEBUG_r_TEST_
3433# define DEBUG_x_TEST DEBUG_x_TEST_
3434# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 3435# define DEBUG_H_TEST DEBUG_H_TEST_
3436# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3437# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3438# define DEBUG_D_TEST DEBUG_D_TEST_
3439# define DEBUG_S_TEST DEBUG_S_TEST_
3440# define DEBUG_T_TEST DEBUG_T_TEST_
3441# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3442# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3443# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3444# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3445# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3446# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3447
488b0c7a
JH		 3448# define PERL_DEB(a) a
3449# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3450# define DEBUG_p(a) if (DEBUG_p_TEST) a
3451# define DEBUG_s(a) if (DEBUG_s_TEST) a
3452# define DEBUG_l(a) if (DEBUG_l_TEST) a
3453# define DEBUG_t(a) if (DEBUG_t_TEST) a
3454# define DEBUG_o(a) if (DEBUG_o_TEST) a
3455# define DEBUG_c(a) if (DEBUG_c_TEST) a
3456# define DEBUG_P(a) if (DEBUG_P_TEST) a
3457
969058bb
VK		 3458 /* Temporarily turn off memory debugging in case the a
3459 * does memory allocation, either directly or indirectly. */
acfe0abc 3460# define DEBUG_m(a) \
0b250b9e 3461 STMT_START { \
aea4f609 3462 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3463 } STMT_END
aea4f609 3464
5f80b19c
AMS		 3465# define DEBUG__(t, a) \
3466 STMT_START { \
3467 if (t) STMT_START {a;} STMT_END; \
3468 } STMT_END
3469
3470# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3471# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3472# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3473# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 3474# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3475# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3476# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3477# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3478
3db8f154 3479# define DEBUG_S(a)
aea4f609 3480
5f80b19c
AMS		 3481# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3482# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3483# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3484# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3485# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3486# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3487
3488#else /* DEBUGGING */
3489
3490# define DEBUG_p_TEST (0)
3491# define DEBUG_s_TEST (0)
3492# define DEBUG_l_TEST (0)
3493# define DEBUG_t_TEST (0)
3494# define DEBUG_o_TEST (0)
3495# define DEBUG_c_TEST (0)
3496# define DEBUG_P_TEST (0)
3497# define DEBUG_m_TEST (0)
3498# define DEBUG_f_TEST (0)
3499# define DEBUG_r_TEST (0)
3500# define DEBUG_x_TEST (0)
3501# define DEBUG_u_TEST (0)
aea4f609
DM		 3502# define DEBUG_H_TEST (0)
3503# define DEBUG_X_TEST (0)
dd2155a4 3504# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3505# define DEBUG_D_TEST (0)
3506# define DEBUG_S_TEST (0)
3507# define DEBUG_T_TEST (0)
04932ac8 3508# define DEBUG_R_TEST (0)
1045810a 3509# define DEBUG_J_TEST (0)
d6721266 3510# define DEBUG_v_TEST (0)
46187eeb 3511# define DEBUG_C_TEST (0)
ecae49c0
NC		 3512# define DEBUG_A_TEST (0)
3513# define DEBUG_q_TEST (0)
aea4f609 3514
488b0c7a
JH		 3515# define PERL_DEB(a)
3516# define PERL_DEBUG(a)
aea4f609
DM		 3517# define DEBUG_p(a)
3518# define DEBUG_s(a)
3519# define DEBUG_l(a)
3520# define DEBUG_t(a)
3521# define DEBUG_o(a)
3522# define DEBUG_c(a)
3523# define DEBUG_P(a)
3524# define DEBUG_m(a)
3525# define DEBUG_f(a)
3526# define DEBUG_r(a)
3527# define DEBUG_x(a)
3528# define DEBUG_u(a)
aea4f609
DM		 3529# define DEBUG_H(a)
3530# define DEBUG_X(a)
dd2155a4 3531# define DEBUG_Xv(a)
aea4f609
DM		 3532# define DEBUG_D(a)
3533# define DEBUG_S(a)
3534# define DEBUG_T(a)
04932ac8 3535# define DEBUG_R(a)
d6721266 3536# define DEBUG_v(a)
46187eeb 3537# define DEBUG_C(a)
ecae49c0
NC		 3538# define DEBUG_A(a)
3539# define DEBUG_q(a)
aea4f609
DM		 3540#endif /* DEBUGGING */
3541
3542
b4ab917c
DM		 3543#define DEBUG_SCOPE(where) \
3544 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3545 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3546
3547
3548
3549
d1be9408 3550/* These constants should be used in preference to raw characters
14befaf4
DM		 3551 * when using magic. Note that some perl guts still assume
3552 * certain character properties of these constants, namely that
3553 * isUPPER() and toLOWER() may do useful mappings.
3554 *
3555 * Update the magic_names table in dump.c when adding/amending these
3556 */
3557
3558#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3559#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3560#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3561#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3562#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3563#define PERL_MAGIC_regdata 'D' /* Regex match position data
3564 (@+ and @- vars) */
3565#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3566#define PERL_MAGIC_env 'E' /* %ENV hash */
3567#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3568#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3569#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3570#define PERL_MAGIC_hints 'H' /* %^H hash */
3571#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3572#define PERL_MAGIC_isa 'I' /* @ISA array */
3573#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3574#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3575#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3576#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3577#define PERL_MAGIC_mutex 'm' /* for lock op */
3578#define PERL_MAGIC_shared 'N' /* Shared between threads */
3579#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3580#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3581#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3582#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3583#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3584#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3585#define PERL_MAGIC_sig 'S' /* %SIG hash */
3586#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3587#define PERL_MAGIC_taint 't' /* Taintedness */
3588#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3589#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3590#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3591#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3592#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3593#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3594#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3595 smart parameter vivification */
14befaf4
DM		 3596#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3597#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3598#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3599#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3600#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3601#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3602#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3603
3604
a6e633de 3605#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3606#define assert(what) PERL_DEB( \
3607 ((what) ? ((void) 0) : \
67eb4d30 3608 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3609 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3610 (void) 0)))
a446a88f 3611#endif
8d063cd8 3612
450a55e4 3613struct ufuncs {
24f81a43
DM		 3614 I32 (*uf_val)(pTHX_ IV, SV*);
3615 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3616 IV uf_index;
450a55e4
LW		 3617};
3618
14befaf4 3619/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3620 * XS code wanting to be backward compatible can do something
3621 * like the following:
c745e42c 3622
24f81a43 3623#ifndef PERL_MG_UFUNC
24f81a43
DM		 3624#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3625#endif
3626
3627static PERL_MG_UFUNC(foo_get, index, val)
3628{
3629 sv_setsv(val, ...);
3630 return TRUE;
3631}
3632
3633-- Doug MacEachern
3634
3635*/
3636
fc9c74e6 3637#ifndef PERL_MG_UFUNC
24f81a43 3638#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3639#endif
24f81a43 3640
fe14fcc3 3641/* Fix these up for __STDC__ */
68dc0745 3642#ifndef DONT_DECLARE_STD
20ce7b12 3643char *mktemp (char*);
37bd1396 3644#ifndef atof
20ce7b12 3645double atof (const char*);
a0d0e21e 3646#endif
37bd1396 3647#endif
79072805 3648
352d5a3a 3649#ifndef STANDARD_C
fe14fcc3 3650/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3651Time_t time();
8d063cd8 3652struct tm *gmtime(), *localtime();
092bebab 3653#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3654char *(strchr)(), *(strrchr)();
3655char *(strcpy)(), *(strcat)();
3656#else
93a17b20 3657char *strchr(), *strrchr();
378cc40b 3658char *strcpy(), *strcat();
9d116dd7 3659#endif
352d5a3a 3660#endif /* ! STANDARD_C */
8d063cd8 3661
79072805
LW		 3662
3663#ifdef I_MATH
3664# include <math.h>
3665#else
32f822de 3666START_EXTERN_C
20ce7b12
GS		 3667 double exp (double);
3668 double log (double);
3669 double log10 (double);
3670 double sqrt (double);
3671 double frexp (double,int*);
3672 double ldexp (double,int);
3673 double modf (double,double*);
3674 double sin (double);
3675 double cos (double);
3676 double atan2 (double,double);
3677 double pow (double,double);
32f822de 3678END_EXTERN_C
79072805
LW		 3679#endif
3680
aa8b85de
JH		 3681#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3682# define NV_INF LDBL_INFINITY
3683#endif
3684#if !defined(NV_INF) && defined(DBL_INFINITY)
3685# define NV_INF (NV)DBL_INFINITY
3686#endif
3687#if !defined(NV_INF) && defined(INFINITY)
3688# define NV_INF (NV)INFINITY
3689#endif
3690#if !defined(NV_INF) && defined(INF)
3691# define NV_INF (NV)INF
3692#endif
3693#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3694# define NV_INF (NV)HUGE_VALL
3695#endif
3696#if !defined(NV_INF) && defined(HUGE_VAL)
3697# define NV_INF (NV)HUGE_VAL
3698#endif
3699
3700#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3701# if !defined(NV_NAN) && defined(LDBL_NAN)
3702# define NV_NAN LDBL_NAN
3703# endif
3704# if !defined(NV_NAN) && defined(LDBL_QNAN)
3705# define NV_NAN LDBL_QNAN
3706# endif
3707# if !defined(NV_NAN) && defined(LDBL_SNAN)
3708# define NV_NAN LDBL_SNAN
3709# endif
3710#endif
3711#if !defined(NV_NAN) && defined(DBL_NAN)
3712# define NV_NAN (NV)DBL_NAN
3713#endif
3714#if !defined(NV_NAN) && defined(DBL_QNAN)
3715# define NV_NAN (NV)DBL_QNAN
3716#endif
3717#if !defined(NV_NAN) && defined(DBL_SNAN)
3718# define NV_NAN (NV)DBL_SNAN
3719#endif
3720#if !defined(NV_NAN) && defined(QNAN)
3721# define NV_NAN (NV)QNAN
3722#endif
3723#if !defined(NV_NAN) && defined(SNAN)
3724# define NV_NAN (NV)SNAN
3725#endif
3726#if !defined(NV_NAN) && defined(NAN)
3727# define NV_NAN (NV)NAN
3728#endif
3729
a0d0e21e 3730#ifndef __cplusplus
8f1f23e8 3731# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3732char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3733# else
fd8cd3a3 3734# if !defined(WIN32) && !defined(VMS)
10bc17b6 3735#ifndef crypt
20ce7b12 3736char *crypt (const char*, const char*);
10bc17b6 3737#endif
5014db98 3738# endif /* !WIN32 */
8f1f23e8 3739# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3740# ifndef DONT_DECLARE_STD
3741# ifndef getenv
20ce7b12 3742char *getenv (const char*);
26618a56 3743# endif /* !getenv */
28ca6303 3744# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3745# ifdef _FILE_OFFSET_BITS
28ca6303 3746# if _FILE_OFFSET_BITS == 64
20ce7b12 3747Off_t lseek (int,Off_t,int);
0fc67700
JH		 3748# endif
3749# endif
bf0c440f 3750# endif
26618a56 3751# endif /* !DONT_DECLARE_STD */
10bc17b6 3752#ifndef getlogin
20ce7b12 3753char *getlogin (void);
10bc17b6 3754#endif
26618a56 3755#endif /* !__cplusplus */
79072805 3756
7a7fd8e0
JM		 3757/* Fixme on VMS. This needs to be a run-time, not build time options */
3758/* Also rename() is affected by this */
16d20bd9 3759#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3760#define UNLINK unlnk
083639a9 3761I32 unlnk (pTHX_ const char*);
8d063cd8 3762#else
80252599 3763#define UNLINK PerlLIO_unlink
8d063cd8 3764#endif
a687059c 3765
fa0a29af
JH		 3766/* some versions of glibc are missing the setresuid() proto */
3767#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3768int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3769#endif
fa0a29af
JH		 3770/* some versions of glibc are missing the setresgid() proto */
3771#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3772int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3773#endif
3774
fe14fcc3 3775#ifndef HAS_SETREUID
85e6fe83
LW		 3776# ifdef HAS_SETRESUID
3777# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3778# define HAS_SETREUID
3779# endif
a687059c 3780#endif
fe14fcc3 3781#ifndef HAS_SETREGID
85e6fe83
LW		 3782# ifdef HAS_SETRESGID
3783# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3784# define HAS_SETREGID
3785# endif
a687059c 3786#endif
ee0007ab 3787
d543acb6 3788/* Sighandler_t defined in iperlsys.h */
ff68c719 3789
3790#ifdef HAS_SIGACTION
3791typedef struct sigaction Sigsave_t;
3792#else
3793typedef Sighandler_t Sigsave_t;
3794#endif
3795
ee0007ab
LW		 3796#define SCAN_DEF 0
3797#define SCAN_TR 1
3798#define SCAN_REPL 2
79072805
LW		 3799
3800#ifdef DEBUGGING
4633a7c4 3801# ifndef register
a0d0e21e
LW		 3802# define register
3803# endif
cea2e8a9 3804# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3805#else
cea2e8a9 3806# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3807#endif
3808
18f739ee 3809#ifdef MYMALLOC
772fe5b3 3810# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3811# define MALLOC_INIT \
3812 STMT_START { \
3813 PL_malloc_mutex = NULL; \
3814 MUTEX_INIT(&PL_malloc_mutex); \
3815 } STMT_END
3816# define MALLOC_TERM \