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Re: Change 28183 has broken 64-bit builds?
[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
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
1461#if defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS))
1462# ifdef PERL_USE_GCC_BRACE_GROUPS
1463# define my_snprintf(buffer, len, ...) ({ int __len__ = snprintf(buffer, len, __VA_ARGS__); if (__len__ >= len) Perl_croak(aTHX_ "panic: snprintf buffer overflow"); __len__; })
1464# else
1465# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1466# endif
1467#else
1468# define my_snprintf Perl_my_snprintf
1469#endif
1470
1471#if defined(HAS_C99_VARIADIC_MACROS)
1472# ifdef PERL_USE_GCC_BRACE_GROUPS
1473# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if (__len__ >= len) Perl_croak(aTHX_ "panic: vsnprintf buffer overflow"); __len__; })
1474# else
1475# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1476# endif
1477#else
1478# define my_vsnprintf Perl_my_vsnprintf
1479#endif
d9fad198 1480
c495e728
JH		 1481/* Configure gets this right but the UTS compiler gets it wrong.
1482 -- Hal Morris <hom00@utsglobal.com> */
1483#ifdef UTS
1484# undef UVTYPE
1485# define UVTYPE unsigned
1486#endif
1487
05f13f53 1488/*
27d4fb96 1489 The IV type is supposed to be long enough to hold any integral
1490 value or a pointer.
1491 --Andy Dougherty August 1996
1492*/
1493
a22e52b9
JH		 1494typedef IVTYPE IV;
1495typedef UVTYPE UV;
8175356b 1496
10cc9d2a 1497#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1498# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1499# define IV_MAX INT64_MAX
1500# define IV_MIN INT64_MIN
1501# define UV_MAX UINT64_MAX
cae7ae48
JH		 1502# ifndef UINT64_MIN
1503# define UINT64_MIN 0
1504# endif
5ff3f7a4
GS		 1505# define UV_MIN UINT64_MIN
1506# else
1507# define IV_MAX PERL_QUAD_MAX
1508# define IV_MIN PERL_QUAD_MIN
1509# define UV_MAX PERL_UQUAD_MAX
1510# define UV_MIN PERL_UQUAD_MIN
1511# endif
cf2093f6
JH		 1512# define IV_IS_QUAD
1513# define UV_IS_QUAD
79072805 1514#else
8175356b 1515# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1516# define IV_MAX INT32_MAX
1517# define IV_MIN INT32_MIN
716026f9
DL		 1518# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1519# define UV_MAX UINT32_MAX
1520# else
1521# define UV_MAX 4294967295U
1522# endif
cae7ae48
JH		 1523# ifndef UINT32_MIN
1524# define UINT32_MIN 0
1525# endif
5ff3f7a4
GS		 1526# define UV_MIN UINT32_MIN
1527# else
1528# define IV_MAX PERL_LONG_MAX
1529# define IV_MIN PERL_LONG_MIN
1530# define UV_MAX PERL_ULONG_MAX
1531# define UV_MIN PERL_ULONG_MIN
1532# endif
8175356b 1533# if IVSIZE == 8
cf2093f6
JH		 1534# define IV_IS_QUAD
1535# define UV_IS_QUAD
de1c2614
JH		 1536# ifndef HAS_QUAD
1537# define HAS_QUAD
1538# endif
cf2093f6
JH		 1539# else
1540# undef IV_IS_QUAD
1541# undef UV_IS_QUAD
de1c2614 1542# undef HAS_QUAD
cf2093f6 1543# endif
79072805 1544#endif
d7d93a81 1545
1109a392
MHM		 1546#ifndef HAS_QUAD
1547# undef PERL_NEED_MY_HTOLE64
1548# undef PERL_NEED_MY_LETOH64
1549# undef PERL_NEED_MY_HTOBE64
1550# undef PERL_NEED_MY_BETOH64
1551#endif
1552
6cde8aec 1553#if defined(uts) || defined(UTS)
11afe549
HM		 1554# undef UV_MAX
1555# define UV_MAX (4294967295u)
20601011
JH		 1556#endif
1557
cae7ae48 1558#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1559#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1560
28e5dec8 1561#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1562#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1563#endif
1564
d460ef45 1565/*
26bb67e2
JH		 1566 * The macros INT2PTR and NUM2PTR are (despite their names)
1567 * bi-directional: they will convert int/float to or from pointers.
1568 * However the conversion to int/float are named explicitly:
1569 * PTR2IV, PTR2UV, PTR2NV.
1570 *
1571 * For int conversions we do not need two casts if pointers are
1572 * the same size as IV and UV. Otherwise we need an explicit
1573 * cast (PTRV) to avoid compiler warnings.
1574 */
56431972
RB		 1575#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1576# define PTRV UV
1577# define INT2PTR(any,d) (any)(d)
1578#else
d460ef45 1579# if PTRSIZE == LONGSIZE
56431972 1580# define PTRV unsigned long
e91e3b10 1581# define PTR2ul(p) (unsigned long)(p)
42718184 1582# else
56431972 1583# define PTRV unsigned
42718184 1584# endif
e91e3b10
RB		 1585#endif
1586
1587#ifndef INT2PTR
56431972 1588# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1589#endif
e91e3b10
RB		 1590
1591#ifndef PTR2ul
1592# define PTR2ul(p) INT2PTR(unsigned long,p)
1593#endif
1594
56431972
RB		 1595#define NUM2PTR(any,d) (any)(PTRV)(d)
1596#define PTR2IV(p) INT2PTR(IV,p)
1597#define PTR2UV(p) INT2PTR(UV,p)
1598#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1599#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1600
8141890a
JH		 1601/* According to strict ANSI C89 one cannot freely cast between
1602 * data pointers and function (code) pointers. There are at least
1603 * two ways around this. One (used below) is to do two casts,
1604 * first the other pointer to an (unsigned) integer, and then
1605 * the integer to the other pointer. The other way would be
1606 * to use unions to "overlay" the pointers. For an example of
1607 * the latter technique, see union dirpu in struct xpvio in sv.h.
1608 * The only feasible use is probably temporarily storing
1609 * function pointers in a data pointer (such as a void pointer). */
1610
e91e3b10
RB		 1611#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1612#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1613
65202027 1614#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1615# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1616# define LONG_DOUBLE_EQUALS_DOUBLE
1617# endif
68d4903c 1618# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1619# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1620# endif
1621#endif
1622
2d4389e4
JH		 1623#ifdef OVR_DBL_DIG
1624/* Use an overridden DBL_DIG */
1625# ifdef DBL_DIG
1626# undef DBL_DIG
1627# endif
1628# define DBL_DIG OVR_DBL_DIG
1629#else
1630/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1631 default value for printing floating point numbers in Gconvert
1632 (see config.h). (It also has other uses, such as figuring out if
1633 a given precision of printing can be done with a double instead of
1634 a long double - Allen).
2d4389e4
JH		 1635*/
1636#ifdef I_LIMITS
1637#include <limits.h>
1638#endif
1639#ifdef I_FLOAT
1640#include <float.h>
1641#endif
1642#ifndef HAS_DBL_DIG
1643#define DBL_DIG 15 /* A guess that works lots of places */
1644#endif
1645#endif
cbca01e1
JH		 1646#ifdef I_FLOAT
1647#include <float.h>
1648#endif
1649#ifndef HAS_DBL_DIG
1650#define DBL_DIG 15 /* A guess that works lots of places */
1651#endif
2d4389e4
JH		 1652
1653#ifdef OVR_LDBL_DIG
1654/* Use an overridden LDBL_DIG */
1655# ifdef LDBL_DIG
1656# undef LDBL_DIG
1657# endif
1658# define LDBL_DIG OVR_LDBL_DIG
1659#else
1660/* The following is all to get LDBL_DIG, in order to pick a nice
1661 default value for printing floating point numbers in Gconvert.
1662 (see config.h)
1663*/
68d4903c
JH		 1664# ifdef I_LIMITS
1665# include <limits.h>
1666# endif
1667# ifdef I_FLOAT
1668# include <float.h>
1669# endif
1670# ifndef HAS_LDBL_DIG
1671# if LONG_DOUBLESIZE == 10
1672# define LDBL_DIG 18 /* assume IEEE */
1673# else
1674# if LONG_DOUBLESIZE == 12
1675# define LDBL_DIG 18 /* gcc? */
1676# else
1677# if LONG_DOUBLESIZE == 16
1678# define LDBL_DIG 33 /* assume IEEE */
1679# else
1680# if LONG_DOUBLESIZE == DOUBLESIZE
1681# define LDBL_DIG DBL_DIG /* bummer */
1682# endif
1683# endif
1684# endif
1685# endif
1686# endif
2d4389e4
JH		 1687#endif
1688
20f6aaab
AS		 1689/*
1690 * This is for making sure we have a good DBL_MAX value, if possible,
1691 * either for usage as NV_MAX or for usage in figuring out if we can
1692 * fit a given long double into a double, if bug-fixing makes it
1693 * necessary to do so. - Allen <allens@cpan.org>
1694 */
1695
205f51d8
AS		 1696#ifdef I_LIMITS
1697# include <limits.h>
20f6aaab
AS		 1698#endif
1699
205f51d8
AS		 1700#ifdef I_VALUES
1701# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1702# include <values.h>
1703# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1704# define DBL_MAX MAXDOUBLE
1705# endif
1706# if defined(MINDOUBLE) && !defined(DBL_MIN)
1707# define DBL_MIN MINDOUBLE
1708# endif
1709# endif
1710#endif /* defined(I_VALUES) */
1711
a22e52b9 1712typedef NVTYPE NV;
8175356b 1713
792d8dab
JH		 1714#ifdef I_IEEEFP
1715# include <ieeefp.h>
1716#endif
923fc586 1717
65202027 1718#ifdef USE_LONG_DOUBLE
923fc586
JH		 1719# ifdef I_SUNMATH
1720# include <sunmath.h>
1721# endif
2d4389e4 1722# define NV_DIG LDBL_DIG
d6c14000
JH		 1723# ifdef LDBL_MANT_DIG
1724# define NV_MANT_DIG LDBL_MANT_DIG
1725# endif
06fc1729
JH		 1726# ifdef LDBL_MIN
1727# define NV_MIN LDBL_MIN
1728# endif
1729# ifdef LDBL_MAX
1730# define NV_MAX LDBL_MAX
1731# endif
1732# ifdef LDBL_MIN_10_EXP
1733# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1734# endif
1735# ifdef LDBL_MAX_10_EXP
1736# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1737# endif
1738# ifdef LDBL_EPSILON
1739# define NV_EPSILON LDBL_EPSILON
1740# endif
f4a14a62
JH		 1741# ifdef LDBL_MAX
1742# define NV_MAX LDBL_MAX
20f6aaab 1743/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1744# else
1745# ifdef HUGE_VALL
1746# define NV_MAX HUGE_VALL
1747# else
1748# ifdef HUGE_VAL
1749# define NV_MAX ((NV)HUGE_VAL)
1750# endif
1751# endif
1752# endif
68d4903c 1753# ifdef HAS_SQRTL
68d4903c
JH		 1754# define Perl_cos cosl
1755# define Perl_sin sinl
1756# define Perl_sqrt sqrtl
1757# define Perl_exp expl
1758# define Perl_log logl
1759# define Perl_atan2 atan2l
1760# define Perl_pow powl
1761# define Perl_floor floorl
1bbae031 1762# define Perl_ceil ceill
68d4903c
JH		 1763# define Perl_fmod fmodl
1764# endif
a3540c92
JH		 1765/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1766# ifdef HAS_MODFL
1767# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1768/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1769 prototype in <math.h> */
1770# ifndef HAS_MODFL_PROTO
a221a8a5 1771EXTERN_C long double modfl(long double, long double *);
51997bc3 1772# endif
03476e8e
JH		 1773# else
1774# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1775 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1776# define Perl_modf(x,y) Perl_my_modfl(x,y)
1777# endif
a3540c92
JH		 1778# endif
1779# ifdef HAS_FREXPL
dff3e0b8 1780# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1781# else
1782# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1783 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1784# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1785# endif
a3540c92 1786# endif
38dbb4c5 1787# ifndef Perl_isnan
758a5d79
JH		 1788# ifdef HAS_ISNANL
1789# define Perl_isnan(x) isnanl(x)
1790# endif
1791# endif
1792# ifndef Perl_isinf
1793# ifdef HAS_FINITEL
1794# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1795# endif
1796# endif
65202027 1797#else
2d4389e4 1798# define NV_DIG DBL_DIG
d6c14000
JH		 1799# ifdef DBL_MANT_DIG
1800# define NV_MANT_DIG DBL_MANT_DIG
1801# endif
06fc1729
JH		 1802# ifdef DBL_MIN
1803# define NV_MIN DBL_MIN
1804# endif
1805# ifdef DBL_MAX
1806# define NV_MAX DBL_MAX
1807# endif
1808# ifdef DBL_MIN_10_EXP
1809# define NV_MIN_10_EXP DBL_MIN_10_EXP
1810# endif
1811# ifdef DBL_MAX_10_EXP
1812# define NV_MAX_10_EXP DBL_MAX_10_EXP
1813# endif
1814# ifdef DBL_EPSILON
1815# define NV_EPSILON DBL_EPSILON
1816# endif
205f51d8 1817# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1818# define NV_MAX DBL_MAX
1819# define NV_MIN DBL_MIN
1820# else
1821# ifdef HUGE_VAL
1822# define NV_MAX HUGE_VAL
1823# endif
1824# endif
65202027
DS		 1825# define Perl_cos cos
1826# define Perl_sin sin
1827# define Perl_sqrt sqrt
1828# define Perl_exp exp
1829# define Perl_log log
1830# define Perl_atan2 atan2
1831# define Perl_pow pow
1832# define Perl_floor floor
1bbae031 1833# define Perl_ceil ceil
65202027 1834# define Perl_fmod fmod
a3540c92 1835# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1836# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1837#endif
1838
1839/* rumor has it that Win32 has _fpclass() */
1840
205f51d8
AS		 1841/* SGI has fpclassl... but not with the same result values,
1842 * and it's via a typedef (not via #define), so will need to redo Configure
1843 * to use. Not worth the trouble, IMO, at least until the below is used
1844 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1845 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1846 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1847
758a5d79
JH		 1848#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1849# ifdef I_IEEFP
1850# include <ieeefp.h>
1851# endif
1852# ifdef I_FP
1853# include <fp.h>
1854# endif
1855# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1856# define Perl_fp_class() fpclassl(x)
1857# else
1858# define Perl_fp_class() fpclass(x)
1859# endif
1860# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1861# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1862# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1863# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1864# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1865# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1866# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1867# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1868# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1869# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1870# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1871# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1872# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1873# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1874# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1875#endif
1876
7114a2d2 1877#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1878# include <math.h>
1879# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1880# include <fp_class.h>
1881# endif
1882# define Perl_fp_class(x) fp_class(x)
1883# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1884# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1885# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1886# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1887# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1888# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1889# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1890# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1891# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1892# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1893# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1894# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1895# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1896# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1897# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1898#endif
1899
1900#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1901# include <math.h>
1902# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1903# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1904# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1905# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1906# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1907# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1908#endif
1909
1910#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1911# include <math.h>
1912# ifndef _cplusplus
1913# define Perl_fp_class(x) class(x)
1914# else
1915# define Perl_fp_class(x) _class(x)
1916# endif
1917# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1918# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1919# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1920# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1921# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1922# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1923# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1924# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1925# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1926# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1927# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1928# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1929# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1930# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1931# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1932#endif
1933
1934/* rumor has it that Win32 has _isnan() */
1935
1936#ifndef Perl_isnan
a3540c92 1937# ifdef HAS_ISNAN
758a5d79
JH		 1938# define Perl_isnan(x) isnan((NV)x)
1939# else
1940# ifdef Perl_fp_class_nan
1941# define Perl_isnan(x) Perl_fp_class_nan(x)
1942# else
1943# ifdef HAS_UNORDERED
1944# define Perl_isnan(x) unordered((x), 0.0)
1945# else
1946# define Perl_isnan(x) ((x)!=(x))
1947# endif
1948# endif
1949# endif
1950#endif
1951
ca6c63e1
JH		 1952#ifdef UNDER_CE
1953int isnan(double d);
1954#endif
1955
758a5d79
JH		 1956#ifndef Perl_isinf
1957# ifdef HAS_ISINF
1958# define Perl_isinf(x) isinf((NV)x)
a3540c92 1959# else
758a5d79
JH		 1960# ifdef Perl_fp_class_inf
1961# define Perl_isinf(x) Perl_fp_class_inf(x)
1962# else
1963# define Perl_isinf(x) ((x)==NV_INF)
1964# endif
1965# endif
1966#endif
1967
1968#ifndef Perl_isfinite
1969# ifdef HAS_FINITE
1970# define Perl_isfinite(x) finite((NV)x)
1971# else
1972# ifdef HAS_ISFINITE
1973# define Perl_isfinite(x) isfinite(x)
1974# else
1975# ifdef Perl_fp_class_finite
1976# define Perl_isfinite(x) Perl_fp_class_finite(x)
1977# else
1978# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1979# endif
1980# endif
a3540c92 1981# endif
65202027
DS		 1982#endif
1983
a36244b7
JH		 1984/* The default is to use Perl's own atof() implementation (in numeric.c).
1985 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1986 * it is however best to use the native implementation of atof.
1987 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1988 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1989 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1990 * you may need to be using a different function than atof! */
a36244b7
JH		 1991
1992#ifndef USE_PERL_ATOF
1993# ifndef _UNICOS
1994# define USE_PERL_ATOF
1995# endif
1996#else
1997# if USE_PERL_ATOF == 0
1998# undef USE_PERL_ATOF
1999# endif
2000#endif
2001
2002#ifdef USE_PERL_ATOF
2003# define Perl_atof(s) Perl_my_atof(s)
2004# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2005#else
2006# define Perl_atof(s) (NV)atof(s)
2007# define Perl_atof2(s, n) ((n) = atof(s))
2008#endif
cf2093f6 2009
d460ef45 2010/* Previously these definitions used hardcoded figures.
760ac839
LW		 2011 * It is hoped these formula are more portable, although
2012 * no data one way or another is presently known to me.
2013 * The "PERL_" names are used because these calculated constants
2014 * do not meet the ANSI requirements for LONG_MAX, etc., which
2015 * need to be constants acceptable to #if - kja
2016 * define PERL_LONG_MAX 2147483647L
2017 * define PERL_LONG_MIN (-LONG_MAX - 1)
2018 * define PERL ULONG_MAX 4294967295L
2019 */
2020
2021#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2022# include <limits.h>
760ac839 2023#endif
205f51d8
AS		 2024/* Included values.h above if necessary; still including limits.h down here,
2025 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2026
99abf803 2027/*
2028 * Try to figure out max and min values for the integral types. THE CORRECT
2029 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2030 * following hacks are used if neither limits.h or values.h provide them:
2031 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2032 * for types < int: (unsigned TYPE)~(unsigned)0
2033 * The argument to ~ must be unsigned so that later signed->unsigned
2034 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2035 * and it must not be smaller than int because ~ does integral promotion.
2036 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2037 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2038 * The latter is a hack which happens to work on some machines but
2039 * does *not* catch any random system, or things like integer types
2040 * with NaN if that is possible.
2041 *
2042 * All of the types are explicitly cast to prevent accidental loss of
2043 * numeric range, and in the hope that they will be less likely to confuse
2044 * over-eager optimizers.
2045 *
2046 */
27d4fb96 2047
99abf803 2048#define PERL_UCHAR_MIN ((unsigned char)0)
2049
2050#ifdef UCHAR_MAX
2051# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2052#else
99abf803 2053# ifdef MAXUCHAR
2054# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2055# else
99abf803 2056# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2057# endif
2058#endif
d460ef45 2059
99abf803 2060/*
2061 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2062 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2063 * depending on local options. Until Configure detects this (or at least
2064 * detects whether the "signed" keyword is available) the CHAR ranges
2065 * will not be included. UCHAR functions normally.
2066 * - kja
2067 */
27d4fb96 2068
99abf803 2069#define PERL_USHORT_MIN ((unsigned short)0)
2070
2071#ifdef USHORT_MAX
2072# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2073#else
99abf803 2074# ifdef MAXUSHORT
2075# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2076# else
ef2f54b0
CB		 2077# ifdef USHRT_MAX
2078# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2079# else
2080# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2081# endif
27d4fb96 2082# endif
2083#endif
2084
27d4fb96 2085#ifdef SHORT_MAX
99abf803 2086# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2087#else
2088# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2089# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2090# else
ef2f54b0
CB		 2091# ifdef SHRT_MAX
2092# define PERL_SHORT_MAX ((short)SHRT_MAX)
2093# else
2094# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2095# endif
27d4fb96 2096# endif
2097#endif
2098
2099#ifdef SHORT_MIN
99abf803 2100# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2101#else
2102# ifdef MINSHORT
99abf803 2103# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2104# else
ef2f54b0
CB		 2105# ifdef SHRT_MIN
2106# define PERL_SHORT_MIN ((short)SHRT_MIN)
2107# else
2108# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2109# endif
27d4fb96 2110# endif
2111#endif
2112
99abf803 2113#ifdef UINT_MAX
2114# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2115#else
99abf803 2116# ifdef MAXUINT
2117# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2118# else
99abf803 2119# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2120# endif
2121#endif
2122
99abf803 2123#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2124
2125#ifdef INT_MAX
99abf803 2126# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2127#else
2128# ifdef MAXINT /* Often used in <values.h> */
99abf803 2129# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2130# else
99abf803 2131# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2132# endif
2133#endif
2134
2135#ifdef INT_MIN
99abf803 2136# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2137#else
2138# ifdef MININT
99abf803 2139# define PERL_INT_MIN ((int)MININT)
27d4fb96 2140# else
2141# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2142# endif
2143#endif
2144
99abf803 2145#ifdef ULONG_MAX
2146# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2147#else
99abf803 2148# ifdef MAXULONG
2149# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2150# else
99abf803 2151# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2152# endif
2153#endif
2154
99abf803 2155#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2156
760ac839 2157#ifdef LONG_MAX
99abf803 2158# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2159#else
2160# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2161# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2162# else
99abf803 2163# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2164# endif
2165#endif
2166
2167#ifdef LONG_MIN
99abf803 2168# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2169#else
2170# ifdef MINLONG
99abf803 2171# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2172# else
27d4fb96 2173# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2174# endif
2175#endif
2176
d7d93a81 2177#ifdef UV_IS_QUAD
99abf803 2178
99abf803 2179# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2180# define PERL_UQUAD_MIN ((UV)0)
99abf803 2181# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2182# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2183
79072805
LW		 2184#endif
2185
22f7c9c9
JH		 2186#ifdef MYMALLOC
2187# include "malloc_ctl.h"
2188#endif
2189
830247a4 2190struct RExC_state_t;
880b20b6 2191
ee0007ab 2192typedef MEM_SIZE STRLEN;
450a55e4 2193
598921a7
NC		 2194#ifdef PERL_MAD
2195typedef struct token TOKEN;
2196typedef struct madprop MADPROP;
2197typedef struct nexttoken NEXTTOKE;
2198#endif
79072805
LW		 2199typedef struct op OP;
2200typedef struct cop COP;
2201typedef struct unop UNOP;
2202typedef struct binop BINOP;
2203typedef struct listop LISTOP;
2204typedef struct logop LOGOP;
79072805
LW		 2205typedef struct pmop PMOP;
2206typedef struct svop SVOP;
7934575e 2207typedef struct padop PADOP;
79072805 2208typedef struct pvop PVOP;
79072805
LW		 2209typedef struct loop LOOP;
2210
cd1541b2
NC		 2211typedef struct interpreter PerlInterpreter;
2212
d2b3f365
SS		 2213/* Amdahl's <ksync.h> has struct sv */
2214/* SGI's <sys/sema.h> has struct sv */
2215#if defined(UTS) || defined(__sgi)
2216# define STRUCT_SV perl_sv
b8d3c5db
JH		 2217#else
2218# define STRUCT_SV sv
2219#endif
2220typedef struct STRUCT_SV SV;
79072805
LW		 2221typedef struct av AV;
2222typedef struct hv HV;
2223typedef struct cv CV;
378cc40b 2224typedef struct regexp REGEXP;
79072805 2225typedef struct gp GP;
0c30d9ec 2226typedef struct gv GV;
8990e307 2227typedef struct io IO;
c09156bb 2228typedef struct context PERL_CONTEXT;
79072805
LW		 2229typedef struct block BLOCK;
2230
2231typedef struct magic MAGIC;
2232typedef struct xpv XPV;
2233typedef struct xpviv XPVIV;
ff68c719 2234typedef struct xpvuv XPVUV;
79072805
LW		 2235typedef struct xpvnv XPVNV;
2236typedef struct xpvmg XPVMG;
2237typedef struct xpvlv XPVLV;
2238typedef struct xpvav XPVAV;
2239typedef struct xpvhv XPVHV;
2240typedef struct xpvgv XPVGV;
2241typedef struct xpvcv XPVCV;
2242typedef struct xpvbm XPVBM;
2243typedef struct xpvfm XPVFM;
8990e307 2244typedef struct xpvio XPVIO;
79072805
LW		 2245typedef struct mgvtbl MGVTBL;
2246typedef union any ANY;
5f7fde29
GS		 2247typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2248typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2249typedef struct clone_params CLONE_PARAMS;
2250
378cc40b 2251#include "handy.h"
a0d0e21e 2252
6b8eaf93 2253#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2254# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2255# define USE_64_BIT_RAWIO /* implicit */
2256# endif
4564133c
JH		 2257#endif
2258
6b8eaf93
JH		 2259/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2260 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2261 * however, because operating systems like to do that themself. */
2262#ifndef FSEEKSIZE
2263# ifdef HAS_FSEEKO
2264# define FSEEKSIZE LSEEKSIZE
2265# else
2266# define FSEEKSIZE LONGSIZE
d460ef45 2267# endif
6b8eaf93
JH		 2268#endif
2269
2270#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2271# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2272# define USE_64_BIT_STDIO /* implicit */
2273# endif
2274#endif
4564133c 2275
09458382 2276#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2277# ifdef HAS_OFF64_T
2278# undef Off_t
2279# define Off_t off64_t
2280# undef LSEEKSIZE
2281# define LSEEKSIZE 8
5ff3f7a4 2282# endif
d9b3e12d
JH		 2283/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2284 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2285 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2286# if defined(USE_OPEN64)
2287# define open open64
5ff3f7a4 2288# endif
d9b3e12d
JH		 2289# if defined(USE_LSEEK64)
2290# define lseek lseek64
6b8eaf93
JH		 2291# else
2292# if defined(USE_LLSEEK)
2293# define lseek llseek
2294# endif
d9b3e12d
JH		 2295# endif
2296# if defined(USE_STAT64)
2297# define stat stat64
2298# endif
2299# if defined(USE_FSTAT64)
2300# define fstat fstat64
2301# endif
2302# if defined(USE_LSTAT64)
2303# define lstat lstat64
2304# endif
2305# if defined(USE_FLOCK64)
2306# define flock flock64
2307# endif
2308# if defined(USE_LOCKF64)
2309# define lockf lockf64
2310# endif
2311# if defined(USE_FCNTL64)
2312# define fcntl fcntl64
2313# endif
2314# if defined(USE_TRUNCATE64)
2315# define truncate truncate64
2316# endif
2317# if defined(USE_FTRUNCATE64)
2318# define ftruncate ftruncate64
2319# endif
2320#endif
2321
2322#ifdef USE_64_BIT_STDIO
2323# ifdef HAS_FPOS64_T
2324# undef Fpos_t
2325# define Fpos_t fpos64_t
2326# endif
2327/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2328 * will trigger defines like the ones below. Some 64-bit environments,
2329 * however, do not. */
2330# if defined(USE_FOPEN64)
2331# define fopen fopen64
2332# endif
2333# if defined(USE_FSEEK64)
6b8eaf93 2334# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2335# endif
2336# if defined(USE_FTELL64)
6b8eaf93 2337# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2338# endif
2339# if defined(USE_FSETPOS64)
2340# define fsetpos fsetpos64
2341# endif
2342# if defined(USE_FGETPOS64)
2343# define fgetpos fgetpos64
2344# endif
2345# if defined(USE_TMPFILE64)
2346# define tmpfile tmpfile64
2347# endif
2348# if defined(USE_FREOPEN64)
2349# define freopen freopen64
5ff3f7a4
GS		 2350# endif
2351#endif
2352
af8b425d 2353#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2354# include "iperlsys.h"
2355#endif
2356
6f71a643 2357#if defined(__OPEN_VM)
19848b3f
JH		 2358# include "vmesa/vmesaish.h"
2359# define ISHISH "vmesa"
6f71a643
JH		 2360#endif
2361
748a9306 2362#ifdef DOSISH
19848b3f
JH		 2363# if defined(OS2)
2364# include "os2ish.h"
2365# else
2366# include "dosish.h"
2367# endif
2368# define ISHISH "dos"
2369#endif
2370
2371#if defined(VMS)
748a9306 2372# include "vmsish.h"
96e176bf 2373# include "embed.h"
eb8433b7
NC		 2374# ifndef PERL_MAD
2375# undef op_getmad
b3f24c00 2376# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2377# endif
19848b3f
JH		 2378# define ISHISH "vms"
2379#endif
2380
2381#if defined(PLAN9)
2382# include "./plan9/plan9ish.h"
2383# define ISHISH "plan9"
2384#endif
2385
2386#if defined(MPE)
2387# include "mpeix/mpeixish.h"
2388# define ISHISH "mpeix"
2389#endif
2390
2391#if defined(__VOS__)
196918b0
PG		 2392# ifdef __GNUC__
2393# include "./vos/vosish.h"
2394# else
2395# include "vos/vosish.h"
2396# endif
19848b3f
JH		 2397# define ISHISH "vos"
2398#endif
2399
2400#if defined(EPOC)
2401# include "epocish.h"
2402# define ISHISH "epoc"
2403#endif
2404
9969cdde 2405#ifdef __SYMBIAN32__
27da23d5
JH		 2406# include "symbian/symbianish.h"
2407# include "embed.h"
eb8433b7
NC		 2408# ifndef PERL_MAD
2409# undef op_getmad
b3f24c00 2410# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2411# endif
27da23d5
JH		 2412# define ISHISH "symbian"
2413#endif
2414
19848b3f
JH		 2415#if defined(MACOS_TRADITIONAL)
2416# include "macos/macish.h"
2417# ifndef NO_ENVIRON_ARRAY
2418# define NO_ENVIRON_ARRAY
0c30d9ec 2419# endif
19848b3f
JH		 2420# define ISHISH "macos classic"
2421#endif
2422
efca5cc6
JH		 2423#if defined(__BEOS__)
2424# include "beos/beosish.h"
2425# define ISHISH "beos"
2426#endif
2427
19848b3f
JH		 2428#ifndef ISHISH
2429# include "unixish.h"
2430# define ISHISH "unix"
13b6e58c
JH		 2431#endif
2432
2946a158
JH		 2433/* NSIG logic from Configure --> */
2434/* Strange style to avoid deeply-nested #if/#else/#endif */
2435#ifndef NSIG
2436# ifdef _NSIG
2437# define NSIG (_NSIG)
2438# endif
2439#endif
2440
2441#ifndef NSIG
2442# ifdef SIGMAX
2443# define NSIG (SIGMAX+1)
2444# endif
2445#endif
2446
2447#ifndef NSIG
2448# ifdef SIG_MAX
2449# define NSIG (SIG_MAX+1)
2450# endif
2451#endif
2452
2453#ifndef NSIG
2454# ifdef _SIG_MAX
2455# define NSIG (_SIG_MAX+1)
2456# endif
2457#endif
2458
2459#ifndef NSIG
2460# ifdef MAXSIG
2461# define NSIG (MAXSIG+1)
2462# endif
2463#endif
2464
2465#ifndef NSIG
2466# ifdef MAX_SIG
2467# define NSIG (MAX_SIG+1)
2468# endif
2469#endif
2470
2471#ifndef NSIG
2472# ifdef SIGARRAYSIZE
2473# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2474# endif
2475#endif
2476
2477#ifndef NSIG
2478# ifdef _sys_nsig
2479# define NSIG (_sys_nsig) /* Solaris 2.5 */
2480# endif
2481#endif
2482
2483/* Default to some arbitrary number that's big enough to get most
2484 of the common signals.
2485*/
2486#ifndef NSIG
2487# define NSIG 50
2488#endif
2489/* <-- NSIG logic from Configure */
2490
13b6e58c
JH		 2491#ifndef NO_ENVIRON_ARRAY
2492# define USE_ENVIRON_ARRAY
2493#endif
32f822de 2494
c77b533b
JH		 2495/*
2496 * initialise to avoid floating-point exceptions from overflow, etc
2497 */
2498#ifndef PERL_FPU_INIT
2499# ifdef HAS_FPSETMASK
2500# if HAS_FLOATINGPOINT_H
2501# include <floatingpoint.h>
2502# endif
2503# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2504# else
2f42fcb0 2505# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
8aad04aa 2506# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2507# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2508# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2509# else
2510# define PERL_FPU_INIT
2f42fcb0 2511
7014c407 2512# endif
c77b533b
JH		 2513# endif
2514#endif
b35112e7
CS		 2515#ifndef PERL_FPU_PRE_EXEC
2516# define PERL_FPU_PRE_EXEC {
2517# define PERL_FPU_POST_EXEC }
2518#endif
c77b533b 2519
ed344e4f
IZ		 2520#ifndef PERL_SYS_INIT3
2521# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2522#endif
2523
be708cc0
JH		 2524#ifndef PERL_WRITE_MSG_TO_CONSOLE
2525# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2526#endif
2527
0f31cffe
GS		 2528#ifndef MAXPATHLEN
2529# ifdef PATH_MAX
b990c8b2
JH		 2530# ifdef _POSIX_PATH_MAX
2531# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2532/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2533 * included the null byte or not. Later amendments of POSIX,
2534 * XPG4, the Austin Group, and the Single UNIX Specification
2535 * all explicitly include the null byte in the PATH_MAX.
2536 * Ditto for _POSIX_PATH_MAX. */
2537# define MAXPATHLEN PATH_MAX
b990c8b2 2538# else
09448d78 2539# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2540# endif
2541# else
2542# define MAXPATHLEN (PATH_MAX+1)
2543# endif
0f31cffe 2544# else
b990c8b2 2545# ifdef _POSIX_PATH_MAX
09448d78 2546# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2547# else
2548# define MAXPATHLEN 1024 /* Err on the large side. */
2549# endif
0f31cffe
GS		 2550# endif
2551#endif
2552
c80263a8
SH		 2553/* In case Configure was not used (we are using a "canned config"
2554 * such as Win32, or a cross-compilation setup, for example) try going
2555 * by the gcc major and minor versions. One useful URL is
2556 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2557 * but contrary to this information warn_unused_result seems
2558 * not to be in gcc 3.3.5, at least. --jhi
2559 * Set these up now otherwise we get confused when some of the <*thread.h>
2560 * includes below indirectly pull in <perlio.h> (which needs to know if we
2561 * have HASATTRIBUTE_FORMAT).
2562 */
2563
fc2007d4 2564#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH		 2565# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2566# define HASATTRIBUTE_FORMAT
2567# endif
2568# if __GNUC__ >= 3 /* 3.0 -> */
2569# define HASATTRIBUTE_MALLOC
2570# endif
2571# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2572# define HASATTRIBUTE_NONNULL
2573# endif
2574# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2575# define HASATTRIBUTE_NORETURN
2576# endif
2577# if __GNUC__ >= 3 /* gcc 3.0 -> */
2578# define HASATTRIBUTE_PURE
2579# endif
2580# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2581# define HASATTRIBUTE_UNUSED
2582# endif
2583# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2584# define HASATTRIBUTE_WARN_UNUSED_RESULT
2585# endif
2586#endif
2587
3db8f154 2588/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2589 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2590 * this results in many functions being undeclared which bothers C++
2591 * May make sense to have threads after "*ish.h" anyway
2592 */
2593
3db8f154 2594#if defined(USE_ITHREADS)
2986a63f
JH		 2595# ifdef NETWARE
2596# include <nw5thread.h>
2597# else
32f822de
GS		 2598# ifdef FAKE_THREADS
2599# include "fakethr.h"
2600# else
2601# ifdef WIN32
2602# include <win32thread.h>
2603# else
dd96f567
IZ		 2604# ifdef OS2
2605# include "os2thread.h"
2606# else
7f3d1cf1 2607# ifdef I_MACH_CTHREADS
bdd66968 2608# include <mach/cthreads.h>
8f1f23e8 2609# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2610# define MUTEX_INIT_CALLS_MALLOC
2611# endif
7f3d1cf1
BH		 2612typedef cthread_t perl_os_thread;
2613typedef mutex_t perl_mutex;
2614typedef condition_t perl_cond;
2615typedef void * perl_key;
2616# else /* Posix threads */
1f5ae88c
JH		 2617# ifdef I_PTHREAD
2618# include <pthread.h>
2619# endif
7f3d1cf1
BH		 2620typedef pthread_t perl_os_thread;
2621typedef pthread_mutex_t perl_mutex;
2622typedef pthread_cond_t perl_cond;
2623typedef pthread_key_t perl_key;
2624# endif /* I_MACH_CTHREADS */
dd96f567 2625# endif /* OS2 */
32f822de
GS		 2626# endif /* WIN32 */
2627# endif /* FAKE_THREADS */
2986a63f 2628#endif /* NETWARE */
3db8f154 2629#endif /* USE_ITHREADS */
c5be433b 2630
66a93824 2631#if defined(WIN32)
1feb2720 2632# include "win32.h"
c5be433b
GS		 2633#endif
2634
2986a63f
JH		 2635#ifdef NETWARE
2636# include "netware.h"
2637#endif
2638
e5218da5 2639#define STATUS_UNIX PL_statusvalue
68dc0745 2640#ifdef VMS
6b88bc9c 2641# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2642/*
2643 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2644 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2645 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2646 * be updated also.
2647 */
2648# include <stsdef.h>
2649# include <ssdef.h>
2650/* Presume this because if VMS changes it, it will require a new
2651 * set of APIs for waiting on children for binary compatibility.
2652 */
2653# define child_offset_bits (8)
2654# ifndef C_FAC_POSIX
2655# define C_FAC_POSIX 0x35A000
2656# endif
2657
2658/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2659 * platform from the existing UNIX or Native status values.
2660 */
2661
37038d91 2662# define STATUS_EXIT \
7a7fd8e0
JM		 2663 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2664 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2665
7a7fd8e0 2666
fb38d079
JM		 2667/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2668 * exit code and shifts the UNIX value over the correct number of bits to
2669 * be a child status. Usually the number of bits is 8, but that could be
2670 * platform dependent. The NATIVE status code is presumed to have either
2671 * from a child process.
7a7fd8e0
JM		 2672 */
2673
fb38d079
JM		 2674/* This is complicated. The child processes return a true native VMS
2675 status which must be saved. But there is an assumption in Perl that
2676 the UNIX child status has some relationship to errno values, so
2677 Perl tries to translate it to text in some of the tests.
2678 In order to get the string translation correct, for the error, errno
2679 must be EVMSERR, but that generates a different text message
2680 than what the test programs are expecting. So an errno value must
2681 be derived from the native status value when an error occurs.
2682 That will hide the true native status message. With this version of
2683 perl, the true native child status can always be retrieved so that
2684 is not a problem. But in this case, Pl_statusvalue and errno may
2685 have different values in them.
2686 */
7a7fd8e0 2687
fb38d079 2688# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2689 STMT_START { \
2fbb330f
JM		 2690 I32 evalue = (I32)n; \
2691 if (evalue == EVMSERR) { \
2692 PL_statusvalue_vms = vaxc$errno; \
2693 PL_statusvalue = evalue; \
7a7fd8e0 2694 } else { \
2fbb330f 2695 PL_statusvalue_vms = evalue; \
fb38d079 2696 if (evalue == -1) { \
3280af22 2697 PL_statusvalue = -1; \
7a7fd8e0
JM		 2698 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2699 } else \
fb38d079 2700 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2701 set_vaxc_errno(evalue); \
fb38d079
JM		 2702 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2703 set_errno(EVMSERR); \
2704 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2705 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2706 } \
68dc0745 2707 } STMT_END
7a7fd8e0 2708
68dc0745 2709# ifdef VMSISH_STATUS
e5218da5 2710# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2711# else
e5218da5 2712# define STATUS_CURRENT STATUS_UNIX
68dc0745 2713# endif
7a7fd8e0
JM		 2714
2715 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2716 * the NATIVE status to an equivalent value. Can not be used to translate
2717 * exit code values as exit code values are not guaranteed to have any
2718 * relationship at all to errno values.
2719 * This is used when Perl is forcing errno to have a specific value.
2720 */
e5218da5 2721# define STATUS_UNIX_SET(n) \
68dc0745 2722 STMT_START { \
7a7fd8e0 2723 I32 evalue = (I32)n; \
0968cdad 2724 PL_statusvalue = evalue; \
3280af22 2725 if (PL_statusvalue != -1) { \
0968cdad
JM		 2726 if (PL_statusvalue != EVMSERR) { \
2727 PL_statusvalue &= 0xFFFF; \
2728 if (MY_POSIX_EXIT) \
2729 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2730 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2731 } \
2732 else { \
2733 PL_statusvalue_vms = vaxc$errno; \
2734 } \
68dc0745 2735 } \
0968cdad
JM		 2736 else PL_statusvalue_vms = SS$_ABORT; \
2737 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2738 } STMT_END
2739
2740 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2741 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2742 * the UNIX/POSIX exit codes have any relationship to errno, except
2743 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2744 * with the Perl VMS documentation, any other code sets the NATIVE
2745 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2746 *
2747 * In the new POSIX EXIT mode, native status will be set so that the
2748 * actual exit code will can be retrieved by the calling program or
2749 * shell.
2750 *
2751 * If the exit code is not clearly a UNIX parent or child exit status,
2752 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2753 */
2754
fb38d079 2755# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2756 STMT_START { \
2757 I32 evalue = (I32)n; \
2758 PL_statusvalue = evalue; \
fb38d079
JM		 2759 if (evalue != -1) { \
2760 if (evalue <= 0xFF00) { \
2761 if (evalue > 0xFF) \
2762 evalue = (evalue >> child_offset_bits) & 0xFF; \
2763 if (evalue == 0) \
2764 PL_statusvalue_vms == SS$_NORMAL; \
2765 else \
2766 if (MY_POSIX_EXIT) \
2767 PL_statusvalue_vms = \
2768 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2769 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2770 else \
6ac6a52b 2771 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2772 } else { /* forgive them Perl, for they have sinned */ \
2773 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2774 else PL_statusvalue_vms = vaxc$errno; \
2775 /* And obviously used a VMS status value instead of UNIX */ \
2776 PL_statusvalue = EVMSERR; \
2777 } \
7a7fd8e0
JM		 2778 } \
2779 else PL_statusvalue_vms = SS$_ABORT; \
2780 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2781 } STMT_END
fb38d079 2782
6ac6a52b
JM		 2783 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2784 * and sets the NATIVE error status based on it. This special case
2785 * is needed to maintain compatibility with past VMS behavior.
2786 *
2787 * In the default mode on VMS, this number is passed through as
2788 * both the NATIVE and UNIX status. Which makes it different
2789 * that the STATUS_UNIX_EXIT_SET.
2790 *
2791 * In the new POSIX EXIT mode, native status will be set so that the
2792 * actual exit code will can be retrieved by the calling program or
2793 * shell.
2794 *
2795 */
2796
2797# define STATUS_EXIT_SET(n) \
2798 STMT_START { \
2799 I32 evalue = (I32)n; \
2800 PL_statusvalue = evalue; \
2801 if (MY_POSIX_EXIT) \
2802 PL_statusvalue_vms = \
2803 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2804 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2805 else \
2806 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2807 set_vaxc_errno(PL_statusvalue_vms); \
2808 } STMT_END
2809
fb38d079
JM		 2810
2811 /* This macro forces a success status */
7a7fd8e0
JM		 2812# define STATUS_ALL_SUCCESS \
2813 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2814
2815 /* This macro forces a failure status */
7a7fd8e0
JM		 2816# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2817 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2818 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2819
68dc0745 2820#else
e5218da5 2821# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2822# if defined(WCOREDUMP)
37038d91 2823# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2824 STMT_START { \
2825 PL_statusvalue_posix = (n); \
2826 if (PL_statusvalue_posix == -1) \
2827 PL_statusvalue = -1; \
2828 else { \
2829 PL_statusvalue = \
2830 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2831 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2832 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2833 } \
2834 } STMT_END
2835# elif defined(WIFEXITED)
37038d91 2836# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2837 STMT_START { \
2838 PL_statusvalue_posix = (n); \
2839 if (PL_statusvalue_posix == -1) \
2840 PL_statusvalue = -1; \
2841 else { \
2842 PL_statusvalue = \
2843 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2844 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2845 } \
2846 } STMT_END
2847# else
37038d91 2848# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2849 STMT_START { \
2850 PL_statusvalue_posix = (n); \
2851 if (PL_statusvalue_posix == -1) \
2852 PL_statusvalue = -1; \
2853 else { \
2854 PL_statusvalue = \
2855 PL_statusvalue_posix & 0xFFFF; \
2856 } \
2857 } STMT_END
2858# endif
2859# define STATUS_UNIX_SET(n) \
68dc0745 2860 STMT_START { \
3280af22
NIS		 2861 PL_statusvalue = (n); \
2862 if (PL_statusvalue != -1) \
2863 PL_statusvalue &= 0xFFFF; \
68dc0745 2864 } STMT_END
7a7fd8e0 2865# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2866# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2867# define STATUS_CURRENT STATUS_UNIX
37038d91 2868# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2869# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2870# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2871#endif
2872
cc3604b1
GS		 2873/* flags in PL_exit_flags for nature of exit() */
2874#define PERL_EXIT_EXPECTED 0x01
31d77e54 2875#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2876
0b94c7bb 2877#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2878# define MEMBER_TO_FPTR(name) name
2879#endif
2880
2881/* format to use for version numbers in file/directory names */
273cf8d1 2882/* XXX move to Configure? */
a7cb1f99 2883#ifndef PERL_FS_VER_FMT
273cf8d1 2884# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2885#endif
2886
45bc9206 2887/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2888 * performance issue, so we allow people to disable it. Also, if
2889 * we are using stdio, there are broken implementations of fflush(NULL)
2890 * out there, Solaris being the most prominent.
45bc9206
GS		 2891 */
2892#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2893# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2894# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2895# else
2896# ifdef FFLUSH_ALL
2897# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2898# else
c5be433b 2899# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2900# endif
66fe083f 2901# endif
45bc9206
GS		 2902#endif
2903
7766f137
GS		 2904#ifndef PERL_WAIT_FOR_CHILDREN
2905# define PERL_WAIT_FOR_CHILDREN NOOP
2906#endif
2907
ba869deb 2908/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2909#ifndef PERL_SET_INTERP
2910# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2911#endif
2912
2913#ifndef PERL_GET_INTERP
2914# define PERL_GET_INTERP (PL_curinterp)
2915#endif
2916
54aff467 2917#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2918# ifdef MULTIPLICITY
ba869deb 2919# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2920# endif
ba869deb
GS		 2921# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2922#endif
2923
8896765a
RB		 2924/*
2925 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2926 All that is required is that the perl source does not
8896765a
RB		 2927 use "%-p" or "%-<number>p" or "%<number>p" formats.
2928 These formats will still work in perl code.
2929 See comments in sv.c for futher details.
2930
2931 -DvdNUMBER=<number> can be used to redefine VDf
2932
2933 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
2934 which works properly but gives compiler warnings
2935
2936 Robin Barker 2005-07-14
0dbb1585 2937*/
8896765a
RB		 2938
2939#ifndef SVf_
63ce7bf0 2940# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 2941#endif
2942
8896765a 2943#ifndef SVf
104abab4 2944# define SVf "-p"
d2560b70
RB		 2945#endif
2946
014ead4b 2947#ifndef SVf32
8896765a 2948# define SVf32 SVf_(32)
014ead4b
RB		 2949#endif
2950
2951#ifndef SVf256
8896765a
RB		 2952# define SVf256 SVf_(256)
2953#endif
2954
2955#ifndef vdNUMBER
2956# define vdNUMBER 1
2957#endif
2958
2959#ifndef VDf
2960# if vdNUMBER
63ce7bf0 2961# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB		 2962# else
2963# define VDf "vd"
2964# endif
014ead4b
RB		 2965#endif
2966
2967#ifndef UVf
2968# define UVf UVuf
d2560b70
RB		 2969#endif
2970
0dbb1585
AL		 2971#ifdef HASATTRIBUTE_FORMAT
2972# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2973#endif
2974#ifdef HASATTRIBUTE_MALLOC
77785eea 2975# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 2976#endif
0dbb1585 2977#ifdef HASATTRIBUTE_NONNULL
abb2c242 2978# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2979#endif
0dbb1585 2980#ifdef HASATTRIBUTE_NORETURN
abb2c242 2981# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2982#endif
0dbb1585 2983#ifdef HASATTRIBUTE_PURE
abb2c242 2984# define __attribute__pure__ __attribute__((pure))
f22be1b8 2985#endif
0dbb1585
AL		 2986#ifdef HASATTRIBUTE_UNUSED
2987# define __attribute__unused__ __attribute__((unused))
2988#endif
2989#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2990# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 2991#endif
2992
0dbb1585
AL		 2993/* If we haven't defined the attributes yet, define them to blank. */
2994#ifndef __attribute__format__
2995# define __attribute__format__(x,y,z)
2996#endif
f22be1b8 2997#ifndef __attribute__malloc__
abb2c242 2998# define __attribute__malloc__
f22be1b8
JH		 2999#endif
3000#ifndef __attribute__nonnull__
abb2c242 3001# define __attribute__nonnull__(a)
f22be1b8
JH		 3002#endif
3003#ifndef __attribute__noreturn__
abb2c242 3004# define __attribute__noreturn__
f22be1b8
JH		 3005#endif
3006#ifndef __attribute__pure__
abb2c242 3007# define __attribute__pure__
f22be1b8 3008#endif
0dbb1585
AL		 3009#ifndef __attribute__unused__
3010# define __attribute__unused__
3011#endif
f22be1b8 3012#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3013# define __attribute__warn_unused_result__
3014#endif
3015
0dbb1585
AL		 3016/* For functions that are marked as __attribute__noreturn__, it's not
3017 appropriate to call return. In either case, include the lint directive.
3018 */
3019#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3020# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3021#else
b37c2d43 3022# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3023#endif
3024
635aebb7 3025#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3026# define EXPECT(expr,val) __builtin_expect(expr,val)
3027#else
3028# define EXPECT(expr,val) (expr)
3029#endif
3030#define LIKELY(cond) EXPECT(cond,1)
3031#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3032#ifdef HAS_BUILTIN_CHOOSE_EXPR
3033/* placeholder */
3034#endif
b37c2d43 3035
3fc1aec6 3036/* Some unistd.h's give a prototype for pause() even though
3037 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3038 below to be rejected by the compiler. Sigh.
3fc1aec6 3039*/
3040#ifdef HAS_PAUSE
3041#define Pause pause
3042#else
3043#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3044#endif
3045
3046#ifndef IOCPARM_LEN
3047# ifdef IOCPARM_MASK
61f1c44b 3048 /* on BSDish systems we're safe */
748a9306
LW		 3049# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3050# else
61f1c44b 3051# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3052 /* on Linux systems we're safe; except when we're not [perl #38223] */
3053# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3054# else
748a9306 3055 /* otherwise guess at what's safe */
61f1c44b
JVD		 3056# define IOCPARM_LEN(x) 256
3057# endif
748a9306 3058# endif
a0d0e21e
LW		 3059#endif
3060
1761cee5 3061#if defined(__CYGWIN__)
521e0776
GS		 3062/* USEMYBINMODE
3063 * This symbol, if defined, indicates that the program should
16fe6d59 3064 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3065 * that a file is in "binary" mode -- that is, that no translation
3066 * of bytes occurs on read or write operations.
3067 */
36894f0b 3068# define USEMYBINMODE /**/
77a40698 3069# include <io.h> /* for setmode() prototype */
16fe6d59 3070# define my_binmode(fp, iotype, mode) \
77a40698 3071 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3072#endif
3073
88d10794
JH		 3074#ifdef __CYGWIN__
3075void init_os_extras(void);
3076#endif
3077
cea2e8a9
GS		 3078#ifdef UNION_ANY_DEFINITION
3079UNION_ANY_DEFINITION;
3080#else
3081union any {
3082 void* any_ptr;
3083 I32 any_i32;
3084 IV any_iv;
3085 long any_long;
9febdf04 3086 bool any_bool;
c76ac1ee 3087 void (*any_dptr) (void*);
acfe0abc 3088 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3089};
3090#endif
3091
acfe0abc 3092typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3093
3094#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3095#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3096#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3097
c5078cac
JH		 3098#if defined(_AIX) && !defined(_AIX43)
3099#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3100/* We cannot include <crypt.h> to get the struct crypt_data
3101 * because of setkey prototype problems when threading */
3102typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3103 /* From OSF, Not needed in AIX
3104 char C[28], D[28];
3105 */
3106 char E[48];
3107 char KS[16][48];
3108 char block[66];
3109 char iobuf[16];
3110} CRYPTD;
3111#endif /* threading */
3112#endif /* AIX */
3113
af8b425d 3114#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3115# include "iperlsys.h"
3116#endif
504f80c1 3117
d10dc2ae
JH		 3118/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3119 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3120 * defined by Configure, despite their names being similar to the
3121 * other defines like USE_ITHREADS. Configure in fact knows nothing
3122 * about the randomised hashes. Therefore to enable/disable the hash
3123 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3124#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3125# define USE_HASH_SEED
504f80c1
JH		 3126#endif
3127
598921a7
NC		 3128/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3129 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3130 * it's not really needed.
3131 */
3132#if defined(WIN32)
3133# define YYTOKENTYPE
3134#endif
3135#include "perly.h"
3136
3137#ifdef PERL_MAD
3138struct nexttoken {
3139 YYSTYPE next_val; /* value of next token, if any */
3140 I32 next_type; /* type of next token */
3141 MADPROP *next_mad; /* everything else about that token */
3142};
3143#endif
3144
378cc40b 3145#include "regexp.h"
79072805 3146#include "sv.h"
378cc40b 3147#include "util.h"
8d063cd8 3148#include "form.h"
79072805 3149#include "gv.h"
dd2155a4 3150#include "pad.h"
79072805 3151#include "cv.h"
abdd5c84 3152#include "opnames.h"
79072805 3153#include "op.h"
b3ca2e83 3154#include "hv.h"
79072805
LW		 3155#include "cop.h"
3156#include "av.h"
79072805
LW		 3157#include "mg.h"
3158#include "scope.h"
4438c4b7 3159#include "warnings.h"
a0ed51b3 3160#include "utf8.h"
8d063cd8 3161
7fae4e64
GS		 3162
3163typedef struct _sublex_info SUBLEXINFO;
3164struct _sublex_info {
3165 I32 super_state; /* lexer state to save */
3166 I32 sub_inwhat; /* "lex_inwhat" to use */
3167 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 3168 char *super_bufptr; /* PL_bufptr that was */
3169 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 3170};
3171
455ece5e 3172typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3173
2c2d71f5 3174struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3175struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3176
6f51351d
NC		 3177/* Keep next first in this structure, because sv_free_arenas take
3178 advantage of this to share code between the pte arenas and the SV
3179 body arenas */
5f7fde29
GS		 3180struct ptr_tbl_ent {
3181 struct ptr_tbl_ent* next;
53c1dcc0 3182 const void* oldval;
5f7fde29 3183 void* newval;
d18c6117
GS		 3184};
3185
5f7fde29
GS		 3186struct ptr_tbl {
3187 struct ptr_tbl_ent** tbl_ary;
3188 UV tbl_max;
3189 UV tbl_items;
d18c6117
GS		 3190};
3191
450a55e4 3192#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3193# define I286
3194#endif
3195
fe14fcc3
LW		 3196#if defined(htonl) && !defined(HAS_HTONL)
3197#define HAS_HTONL
ae986130 3198#endif
fe14fcc3
LW		 3199#if defined(htons) && !defined(HAS_HTONS)
3200#define HAS_HTONS
ae986130 3201#endif
fe14fcc3
LW		 3202#if defined(ntohl) && !defined(HAS_NTOHL)
3203#define HAS_NTOHL
ae986130 3204#endif
fe14fcc3
LW		 3205#if defined(ntohs) && !defined(HAS_NTOHS)
3206#define HAS_NTOHS
ae986130 3207#endif
fe14fcc3 3208#ifndef HAS_HTONL
d9d8d8de 3209#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3210#define HAS_HTONS
3211#define HAS_HTONL
3212#define HAS_NTOHS
3213#define HAS_NTOHL
a687059c
LW		 3214#define MYSWAP
3215#define htons my_swap
3216#define htonl my_htonl
3217#define ntohs my_swap
3218#define ntohl my_ntohl
3219#endif
3220#else
d9d8d8de 3221#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3222#undef HAS_HTONS
3223#undef HAS_HTONL
3224#undef HAS_NTOHS
3225#undef HAS_NTOHL
a687059c
LW		 3226#endif
3227#endif
3228
988174c1
LW		 3229/*
3230 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3231 * -DWS
3232 */
3233#if BYTEORDER != 0x1234
3234# define HAS_VTOHL
3235# define HAS_VTOHS
3236# define HAS_HTOVL
3237# define HAS_HTOVS
c67712b2 3238# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3239# define vtohl(x) ((((x)&0xFF)<<24) \
3240 +(((x)>>24)&0xFF) \
3241 +(((x)&0x0000FF00)<<8) \
3242 +(((x)&0x00FF0000)>>8) )
3243# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3244# define htovl(x) vtohl(x)
3245# define htovs(x) vtohs(x)
3246# endif
3247 /* otherwise default to functions in util.c */
2a8c3029 3248#ifndef htovs
c623ac67
GS		 3249short htovs(short n);
3250short vtohs(short n);
3251long htovl(long n);
3252long vtohl(long n);
988174c1 3253#endif
2a8c3029 3254#endif
988174c1 3255
3bb7c1b4
JH		 3256/* *MAX Plus 1. A floating point value.
3257 Hopefully expressed in a way that dodgy floating point can't mess up.
3258 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3259 is added to it
3260 May find that some broken compiler will want the value cast to I32.
3261 [after the shift, as signed >> may not be as secure as unsigned >>]
3262*/
3263#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3264#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3265/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3266 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3267 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3268*/
3269#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3270
3bb7c1b4
JH		 3271#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3272#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3273#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3274
3275/* This may look like unnecessary jumping through hoops, but converting
3276 out of range floating point values to integers *is* undefined behaviour,
3277 and it is starting to bite.
3278*/
3279#ifndef CAST_INLINE
65202027 3280#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3281#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3282#define I_V(what) (cast_iv((NV)(what)))
3283#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3284#else
3285#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3286 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3287 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3288#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3289 : ((n) < U32_MAX_P1 ? (U32) (n) \
3290 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3291#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3292 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3293 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3294#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3295 : ((n) < UV_MAX_P1 ? (UV) (n) \
3296 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3297#endif
3298
3299#define U_S(what) ((U16)U_32(what))
3300#define U_I(what) ((unsigned int)U_32(what))
3301#define U_L(what) U_32(what)
ed6116ce 3302
2d4389e4
JH		 3303/* These do not care about the fractional part, only about the range. */
3304#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3305#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3306
25da4f38
IZ		 3307/* Used with UV/IV arguments: */
3308 /* XXXX: need to speed it up */
3309#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3310#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3311
352d5a3a
LW		 3312#ifndef MAXSYSFD
3313# define MAXSYSFD 2
3314#endif
ee0007ab 3315
79072805 3316#ifndef __cplusplus
27da23d5 3317#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3318Uid_t getuid (void);
3319Uid_t geteuid (void);
3320Gid_t getgid (void);
3321Gid_t getegid (void);
79072805 3322#endif
e1caacb4 3323#endif
8d063cd8 3324
0c30d9ec 3325#ifndef Perl_debug_log
bf49b057
GS		 3326# define Perl_debug_log PerlIO_stderr()
3327#endif
3328
3329#ifndef Perl_error_log
3330# define Perl_error_log (PL_stderrgv \
6b78add2 3331 && isGV(PL_stderrgv) \
01bb7c6d 3332 && GvIOp(PL_stderrgv) \
42de951c 3333 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3334 ? IoOFP(GvIOp(PL_stderrgv)) \
3335 : PerlIO_stderr())
0c30d9ec 3336#endif
3967c732 3337
aea4f609
DM		 3338
3339#define DEBUG_p_FLAG 0x00000001 /* 1 */
3340#define DEBUG_s_FLAG 0x00000002 /* 2 */
3341#define DEBUG_l_FLAG 0x00000004 /* 4 */
3342#define DEBUG_t_FLAG 0x00000008 /* 8 */
3343#define DEBUG_o_FLAG 0x00000010 /* 16 */
3344#define DEBUG_c_FLAG 0x00000020 /* 32 */
3345#define DEBUG_P_FLAG 0x00000040 /* 64 */
3346#define DEBUG_m_FLAG 0x00000080 /* 128 */
3347#define DEBUG_f_FLAG 0x00000100 /* 256 */
3348#define DEBUG_r_FLAG 0x00000200 /* 512 */
3349#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3350#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 3351 /* spare */
aea4f609
DM		 3352#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3353#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3354#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3355#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3356#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3357#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3358#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3359#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3360#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3361#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3362#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3363#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3364
3365#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3366#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3367 that something was done? */
aea4f609 3368
bd16a5f0
IZ		 3369# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3370# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3371# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3372# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3373# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3374# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3375# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3376# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3377# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3378# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3379# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3380# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 3381# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3382# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3383# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3384# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3385# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3386# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3387# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3388# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3389# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3390# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3391# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3392# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3393
3967c732 3394#ifdef DEBUGGING
aea4f609 3395
bd16a5f0
IZ		 3396# define DEBUG_p_TEST DEBUG_p_TEST_
3397# define DEBUG_s_TEST DEBUG_s_TEST_
3398# define DEBUG_l_TEST DEBUG_l_TEST_
3399# define DEBUG_t_TEST DEBUG_t_TEST_
3400# define DEBUG_o_TEST DEBUG_o_TEST_
3401# define DEBUG_c_TEST DEBUG_c_TEST_
3402# define DEBUG_P_TEST DEBUG_P_TEST_
3403# define DEBUG_m_TEST DEBUG_m_TEST_
3404# define DEBUG_f_TEST DEBUG_f_TEST_
3405# define DEBUG_r_TEST DEBUG_r_TEST_
3406# define DEBUG_x_TEST DEBUG_x_TEST_
3407# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 3408# define DEBUG_H_TEST DEBUG_H_TEST_
3409# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3410# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3411# define DEBUG_D_TEST DEBUG_D_TEST_
3412# define DEBUG_S_TEST DEBUG_S_TEST_
3413# define DEBUG_T_TEST DEBUG_T_TEST_
3414# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3415# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3416# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3417# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3418# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3419# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3420
488b0c7a
JH		 3421# define PERL_DEB(a) a
3422# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3423# define DEBUG_p(a) if (DEBUG_p_TEST) a
3424# define DEBUG_s(a) if (DEBUG_s_TEST) a
3425# define DEBUG_l(a) if (DEBUG_l_TEST) a
3426# define DEBUG_t(a) if (DEBUG_t_TEST) a
3427# define DEBUG_o(a) if (DEBUG_o_TEST) a
3428# define DEBUG_c(a) if (DEBUG_c_TEST) a
3429# define DEBUG_P(a) if (DEBUG_P_TEST) a
3430
969058bb
VK		 3431 /* Temporarily turn off memory debugging in case the a
3432 * does memory allocation, either directly or indirectly. */
acfe0abc 3433# define DEBUG_m(a) \
0b250b9e 3434 STMT_START { \
aea4f609 3435 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3436 } STMT_END
aea4f609 3437
5f80b19c
AMS		 3438# define DEBUG__(t, a) \
3439 STMT_START { \
3440 if (t) STMT_START {a;} STMT_END; \
3441 } STMT_END
3442
3443# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3444# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3445# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3446# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 3447# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3448# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3449# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3450# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3451
3db8f154 3452# define DEBUG_S(a)
aea4f609 3453
5f80b19c
AMS		 3454# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3455# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3456# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3457# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3458# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3459# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3460
3461#else /* DEBUGGING */
3462
3463# define DEBUG_p_TEST (0)
3464# define DEBUG_s_TEST (0)
3465# define DEBUG_l_TEST (0)
3466# define DEBUG_t_TEST (0)
3467# define DEBUG_o_TEST (0)
3468# define DEBUG_c_TEST (0)
3469# define DEBUG_P_TEST (0)
3470# define DEBUG_m_TEST (0)
3471# define DEBUG_f_TEST (0)
3472# define DEBUG_r_TEST (0)
3473# define DEBUG_x_TEST (0)
3474# define DEBUG_u_TEST (0)
aea4f609
DM		 3475# define DEBUG_H_TEST (0)
3476# define DEBUG_X_TEST (0)
dd2155a4 3477# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3478# define DEBUG_D_TEST (0)
3479# define DEBUG_S_TEST (0)
3480# define DEBUG_T_TEST (0)
04932ac8 3481# define DEBUG_R_TEST (0)
1045810a 3482# define DEBUG_J_TEST (0)
d6721266 3483# define DEBUG_v_TEST (0)
46187eeb 3484# define DEBUG_C_TEST (0)
ecae49c0
NC		 3485# define DEBUG_A_TEST (0)
3486# define DEBUG_q_TEST (0)
aea4f609 3487
488b0c7a
JH		 3488# define PERL_DEB(a)
3489# define PERL_DEBUG(a)
aea4f609
DM		 3490# define DEBUG_p(a)
3491# define DEBUG_s(a)
3492# define DEBUG_l(a)
3493# define DEBUG_t(a)
3494# define DEBUG_o(a)
3495# define DEBUG_c(a)
3496# define DEBUG_P(a)
3497# define DEBUG_m(a)
3498# define DEBUG_f(a)
3499# define DEBUG_r(a)
3500# define DEBUG_x(a)
3501# define DEBUG_u(a)
aea4f609
DM		 3502# define DEBUG_H(a)
3503# define DEBUG_X(a)
dd2155a4 3504# define DEBUG_Xv(a)
aea4f609
DM		 3505# define DEBUG_D(a)
3506# define DEBUG_S(a)
3507# define DEBUG_T(a)
04932ac8 3508# define DEBUG_R(a)
d6721266 3509# define DEBUG_v(a)
46187eeb 3510# define DEBUG_C(a)
ecae49c0
NC		 3511# define DEBUG_A(a)
3512# define DEBUG_q(a)
aea4f609
DM		 3513#endif /* DEBUGGING */
3514
3515
b4ab917c
DM		 3516#define DEBUG_SCOPE(where) \
3517 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3518 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3519
3520
3521
3522
d1be9408 3523/* These constants should be used in preference to raw characters
14befaf4
DM		 3524 * when using magic. Note that some perl guts still assume
3525 * certain character properties of these constants, namely that
3526 * isUPPER() and toLOWER() may do useful mappings.
3527 *
3528 * Update the magic_names table in dump.c when adding/amending these
3529 */
3530
3531#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3532#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3533#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3534#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3535#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3536#define PERL_MAGIC_regdata 'D' /* Regex match position data
3537 (@+ and @- vars) */
3538#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3539#define PERL_MAGIC_env 'E' /* %ENV hash */
3540#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3541#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3542#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3543#define PERL_MAGIC_hints 'H' /* %^H hash */
3544#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3545#define PERL_MAGIC_isa 'I' /* @ISA array */
3546#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3547#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3548#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3549#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3550#define PERL_MAGIC_mutex 'm' /* for lock op */
3551#define PERL_MAGIC_shared 'N' /* Shared between threads */
3552#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3553#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3554#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3555#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3556#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3557#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3558#define PERL_MAGIC_sig 'S' /* %SIG hash */
3559#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3560#define PERL_MAGIC_taint 't' /* Taintedness */
3561#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3562#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3563#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3564#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3565#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3566#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3567#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3568 smart parameter vivification */
14befaf4
DM		 3569#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3570#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3571#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3572#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3573#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3574#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3575#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3576
3577
a6e633de 3578#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3579#define assert(what) PERL_DEB( \
3580 ((what) ? ((void) 0) : \
67eb4d30 3581 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3582 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3583 (void) 0)))
a446a88f 3584#endif
8d063cd8 3585
450a55e4 3586struct ufuncs {
24f81a43
DM		 3587 I32 (*uf_val)(pTHX_ IV, SV*);
3588 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3589 IV uf_index;
450a55e4
LW		 3590};
3591
14befaf4 3592/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3593 * XS code wanting to be backward compatible can do something
3594 * like the following:
c745e42c 3595
24f81a43 3596#ifndef PERL_MG_UFUNC
24f81a43
DM		 3597#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3598#endif
3599
3600static PERL_MG_UFUNC(foo_get, index, val)
3601{
3602 sv_setsv(val, ...);
3603 return TRUE;
3604}
3605
3606-- Doug MacEachern
3607
3608*/
3609
fc9c74e6 3610#ifndef PERL_MG_UFUNC
24f81a43 3611#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3612#endif
24f81a43 3613
fe14fcc3 3614/* Fix these up for __STDC__ */
68dc0745 3615#ifndef DONT_DECLARE_STD
20ce7b12 3616char *mktemp (char*);
37bd1396 3617#ifndef atof
20ce7b12 3618double atof (const char*);
a0d0e21e 3619#endif
37bd1396 3620#endif
79072805 3621
352d5a3a 3622#ifndef STANDARD_C
fe14fcc3 3623/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3624Time_t time();
8d063cd8 3625struct tm *gmtime(), *localtime();
092bebab 3626#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3627char *(strchr)(), *(strrchr)();
3628char *(strcpy)(), *(strcat)();
3629#else
93a17b20 3630char *strchr(), *strrchr();
378cc40b 3631char *strcpy(), *strcat();
9d116dd7 3632#endif
352d5a3a 3633#endif /* ! STANDARD_C */
8d063cd8 3634
79072805
LW		 3635
3636#ifdef I_MATH
3637# include <math.h>
3638#else
32f822de 3639START_EXTERN_C
20ce7b12
GS		 3640 double exp (double);
3641 double log (double);
3642 double log10 (double);
3643 double sqrt (double);
3644 double frexp (double,int*);
3645 double ldexp (double,int);
3646 double modf (double,double*);
3647 double sin (double);
3648 double cos (double);
3649 double atan2 (double,double);
3650 double pow (double,double);
32f822de 3651END_EXTERN_C
79072805
LW		 3652#endif
3653
aa8b85de
JH		 3654#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3655# define NV_INF LDBL_INFINITY
3656#endif
3657#if !defined(NV_INF) && defined(DBL_INFINITY)
3658# define NV_INF (NV)DBL_INFINITY
3659#endif
3660#if !defined(NV_INF) && defined(INFINITY)
3661# define NV_INF (NV)INFINITY
3662#endif
3663#if !defined(NV_INF) && defined(INF)
3664# define NV_INF (NV)INF
3665#endif
3666#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3667# define NV_INF (NV)HUGE_VALL
3668#endif
3669#if !defined(NV_INF) && defined(HUGE_VAL)
3670# define NV_INF (NV)HUGE_VAL
3671#endif
3672
3673#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3674# if !defined(NV_NAN) && defined(LDBL_NAN)
3675# define NV_NAN LDBL_NAN
3676# endif
3677# if !defined(NV_NAN) && defined(LDBL_QNAN)
3678# define NV_NAN LDBL_QNAN
3679# endif
3680# if !defined(NV_NAN) && defined(LDBL_SNAN)
3681# define NV_NAN LDBL_SNAN
3682# endif
3683#endif
3684#if !defined(NV_NAN) && defined(DBL_NAN)
3685# define NV_NAN (NV)DBL_NAN
3686#endif
3687#if !defined(NV_NAN) && defined(DBL_QNAN)
3688# define NV_NAN (NV)DBL_QNAN
3689#endif
3690#if !defined(NV_NAN) && defined(DBL_SNAN)
3691# define NV_NAN (NV)DBL_SNAN
3692#endif
3693#if !defined(NV_NAN) && defined(QNAN)
3694# define NV_NAN (NV)QNAN
3695#endif
3696#if !defined(NV_NAN) && defined(SNAN)
3697# define NV_NAN (NV)SNAN
3698#endif
3699#if !defined(NV_NAN) && defined(NAN)
3700# define NV_NAN (NV)NAN
3701#endif
3702
a0d0e21e 3703#ifndef __cplusplus
8f1f23e8 3704# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3705char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3706# else
fd8cd3a3 3707# if !defined(WIN32) && !defined(VMS)
10bc17b6 3708#ifndef crypt
20ce7b12 3709char *crypt (const char*, const char*);
10bc17b6 3710#endif
5014db98 3711# endif /* !WIN32 */
8f1f23e8 3712# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3713# ifndef DONT_DECLARE_STD
3714# ifndef getenv
20ce7b12 3715char *getenv (const char*);
26618a56 3716# endif /* !getenv */
28ca6303 3717# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3718# ifdef _FILE_OFFSET_BITS
28ca6303 3719# if _FILE_OFFSET_BITS == 64
20ce7b12 3720Off_t lseek (int,Off_t,int);
0fc67700
JH		 3721# endif
3722# endif
bf0c440f 3723# endif
26618a56 3724# endif /* !DONT_DECLARE_STD */
10bc17b6 3725#ifndef getlogin
20ce7b12 3726char *getlogin (void);
10bc17b6 3727#endif
26618a56 3728#endif /* !__cplusplus */
79072805 3729
7a7fd8e0
JM		 3730/* Fixme on VMS. This needs to be a run-time, not build time options */
3731/* Also rename() is affected by this */
16d20bd9 3732#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3733#define UNLINK unlnk
083639a9 3734I32 unlnk (pTHX_ const char*);
8d063cd8 3735#else
80252599 3736#define UNLINK PerlLIO_unlink
8d063cd8 3737#endif
a687059c 3738
fa0a29af
JH		 3739/* some versions of glibc are missing the setresuid() proto */
3740#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3741int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3742#endif
fa0a29af
JH		 3743/* some versions of glibc are missing the setresgid() proto */
3744#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3745int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3746#endif
3747
fe14fcc3 3748#ifndef HAS_SETREUID
85e6fe83
LW		 3749# ifdef HAS_SETRESUID
3750# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3751# define HAS_SETREUID
3752# endif
a687059c 3753#endif
fe14fcc3 3754#ifndef HAS_SETREGID
85e6fe83
LW		 3755# ifdef HAS_SETRESGID
3756# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3757# define HAS_SETREGID
3758# endif
a687059c 3759#endif
ee0007ab 3760
d543acb6 3761/* Sighandler_t defined in iperlsys.h */
ff68c719 3762
3763#ifdef HAS_SIGACTION
3764typedef struct sigaction Sigsave_t;
3765#else
3766typedef Sighandler_t Sigsave_t;
3767#endif
3768
ee0007ab
LW		 3769#define SCAN_DEF 0
3770#define SCAN_TR 1
3771#define SCAN_REPL 2
79072805
LW		 3772
3773#ifdef DEBUGGING
4633a7c4 3774# ifndef register
a0d0e21e
LW		 3775# define register
3776# endif
cea2e8a9 3777# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3778#else
cea2e8a9 3779# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3780#endif
3781
18f739ee 3782#ifdef MYMALLOC
772fe5b3 3783# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3784# define MALLOC_INIT \
3785 STMT_START { \
3786 PL_malloc_mutex = NULL; \
3787 MUTEX_INIT(&PL_malloc_mutex); \
3788 } STMT_END
3789# define MALLOC_TERM \
3790 STMT_START { \
3791 perl_mutex tmp = PL_malloc_mutex; \
3792 PL_malloc_mutex = NULL; \
3793 MUTEX_DESTROY(&tmp); \
3794 } STMT_END
3795# else
3796# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3797# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3798# endif
18f739ee
IZ		 3799#else
3800# define MALLOC_INIT
3801# define MALLOC_TERM
3802#endif
3803
cd1541b2 3804#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 3805
3806struct perl_memory_debug_header;
cd1541b2
NC		 3807struct perl_memory_debug_header {
3808 tTHX interpreter;
3809# ifdef PERL_POISON
3810 MEM_SIZE size;
cd1541b2 3811# endif
7cb608b5
NC		 3812 struct perl_memory_debug_header *prev;
3813 struct perl_memory_debug_header *next;
cd1541b2
NC		 3814};
3815
3816# define sTHX (sizeof(struct perl_memory_debug_header) + \
3817 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
3818 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
3819
3820#endif
3821
7cb608b5
NC		 3822#ifdef PERL_TRACK_MEMPOOL
3823# define INIT_TRACK_MEMPOOL(header, interp) \
3824 STMT_START { \
3825 (header).interpreter = (interp); \
3826 (header).prev = (header).next = &(header); \
3827 } STMT_END
3828# else
3829# define INIT_TRACK_MEMPOOL(header, interp)
3830#endif
3831
b6d9d515 3832
0cb96387 3833typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3834typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3835typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3836typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3837
940cb80d 3838/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3839#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3840
8f1f23e8
W		 3841/* NeXT has problems with crt0.o globals */
3842#if defined(__DYNAMIC__) && \
6239f2da 3843 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3844# if defined(NeXT) || defined(__NeXT)
3845# include <mach-o/dyld.h>
3846# define environ (*environ_pointer)
0c30d9ec 3847EXT char *** environ_pointer;
8f1f23e8 3848# else
6239f2da 3849# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3850# include <crt_externs.h> /* for the env array */
3851# define environ (*_NSGetEnviron())
3852# endif
0c30d9ec 3853# endif
8f1f23e8
W		 3854#else
3855 /* VMS and some other platforms don't use the environ array */
13b6e58c 3856# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3857# if !defined(DONT_DECLARE_STD) || \
3858 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3859 defined(__sgi) || \
d460ef45 3860 defined(__DGUX)
8f1f23e8 3861extern char ** environ; /* environment variables supplied via exec */
a6c40364 3862# endif
8f1f23e8
W		 3863# endif
3864#endif
79072805 3865
73c4f7a1
GS		 3866START_EXTERN_C
3867
79072805 3868/* handy constants */
22c35a8c 3869EXTCONST char PL_warn_uninit[]
29489e7c 3870 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3871EXTCONST char PL_warn_nosemi[]
463ee0b2 3872 INIT("Semicolon seems to be missing");
22c35a8c 3873EXTCONST char PL_warn_reserved[]
463ee0b2 3874 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3875EXTCONST char PL_warn_nl[]
93a17b20 3876 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3877EXTCONST char PL_no_wrongref[]
a0d0e21e 3878 INIT("Can't use %s ref as %s ref");
22c35a8c 3879EXTCONST char PL_no_symref[]
748a9306 3880 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3881EXTCONST char PL_no_symref_sv[]
014ead4b 3882 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3883EXTCONST char PL_no_usym[]
8990e307 3884 INIT("Can't use an undefined value as %s reference");
22c35a8c 3885EXTCONST char PL_no_aelem[]
93a17b20 3886 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC		 3887EXTCONST char PL_no_helem_sv[]
3888 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3889EXTCONST char PL_no_modify[]
93a17b20 3890 INIT("Modification of a read-only value attempted");
22c35a8c 3891EXTCONST char PL_no_mem[]
93a17b20 3892 INIT("Out of memory!\n");
22c35a8c 3893EXTCONST char PL_no_security[]
463ee0b2 3894 INIT("Insecure dependency in %s%s");
22c35a8c 3895EXTCONST char PL_no_sock_func[]
93a17b20 3896 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3897EXTCONST char PL_no_dir_func[]
93a17b20 3898 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3899EXTCONST char PL_no_func[]
93a17b20 3900 INIT("The %s function is unimplemented");
22c35a8c 3901EXTCONST char PL_no_myglob[]
952306ac 3902 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 3903EXTCONST char PL_no_localize_ref[]
3904 INIT("Can't localize through a reference");
27d5b266
JH		 3905EXTCONST char PL_memory_wrap[]
3906 INIT("panic: memory wrap");
93a17b20 3907
7575fa06 3908EXTCONST char PL_uuemap[65]
80252599
GS		 3909 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3910
3911
79072805 3912#ifdef DOINIT
27da23d5
JH		 3913EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3914EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3915#else
27da23d5
JH		 3916EXTCONST char* const PL_sig_name[];
3917EXTCONST int PL_sig_num[];
79072805
LW		 3918#endif
3919
3bd709b1 3920/* fast conversion and case folding tables */
bbce6d69 3921
79072805 3922#ifdef DOINIT
9d116dd7 3923#ifdef EBCDIC
27da23d5 3924EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3925 0, 1, 2, 3, 4, 5, 6, 7,
3926 8, 9, 10, 11, 12, 13, 14, 15,
3927 16, 17, 18, 19, 20, 21, 22, 23,
3928 24, 25, 26, 27, 28, 29, 30, 31,
3929 32, 33, 34, 35, 36, 37, 38, 39,
3930 40, 41, 42, 43, 44, 45, 46, 47,
3931 48, 49, 50, 51, 52, 53, 54, 55,
3932 56, 57, 58, 59, 60, 61, 62, 63,
3933 64, 65, 66, 67, 68, 69, 70, 71,
3934 72, 73, 74, 75, 76, 77, 78, 79,
3935 80, 81, 82, 83, 84, 85, 86, 87,
3936 88, 89, 90, 91, 92, 93, 94, 95,
3937 96, 97, 98, 99, 100, 101, 102, 103,
3938 104, 105, 106, 107, 108, 109, 110, 111,
3939 112, 113, 114, 115, 116, 117, 118, 119,
3940 120, 121, 122, 123, 124, 125, 126, 127,
3941 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3942 'H', 'I', 138, 139, 140, 141, 142, 143,
3943 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3944 'Q', 'R', 154, 155, 156, 157, 158, 159,
3945 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3946 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3947 176, 177, 178, 179, 180, 181, 182, 183,
3948 184, 185, 186, 187, 188, 189, 190, 191,
3949 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3950 'h', 'i', 202, 203, 204, 205, 206, 207,
3951 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3952 'q', 'r', 218, 219, 220, 221, 222, 223,
3953 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3954 'y', 'z', 234, 235, 236, 237, 238, 239,
3955 240, 241, 242, 243, 244, 245, 246, 247,
3956 248, 249, 250, 251, 252, 253, 254, 255
3957};
3958#else /* ascii rather than ebcdic */
22c35a8c 3959EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3960 0, 1, 2, 3, 4, 5, 6, 7,
3961 8, 9, 10, 11, 12, 13, 14, 15,
3962 16, 17, 18, 19, 20, 21, 22, 23,
3963 24, 25, 26, 27, 28, 29, 30, 31,
3964 32, 33, 34, 35, 36, 37, 38, 39,
3965 40, 41, 42, 43, 44, 45, 46, 47,
3966 48, 49, 50, 51, 52, 53, 54, 55,
3967 56, 57, 58, 59, 60, 61, 62, 63,
3968 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3969 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3970 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3971 'x', 'y', 'z', 91, 92, 93, 94, 95,
3972 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3973 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3974 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3975 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3976 128, 129, 130, 131, 132, 133, 134, 135,
3977 136, 137, 138, 139, 140, 141, 142, 143,
3978 144, 145, 146, 147, 148, 149, 150, 151,
3979 152, 153, 154, 155, 156, 157, 158, 159,
3980 160, 161, 162, 163, 164, 165, 166, 167,
3981 168, 169, 170, 171, 172, 173, 174, 175,
3982 176, 177, 178, 179, 180, 181, 182, 183,
3983 184, 185, 186, 187, 188, 189, 190, 191,
3984 192, 193, 194, 195, 196, 197, 198, 199,
3985 200, 201, 202, 203, 204, 205, 206, 207,
3986 208, 209, 210, 211, 212, 213, 214, 215,
3987 216, 217, 218, 219, 220, 221, 222, 223,
3988 224, 225, 226, 227, 228, 229, 230, 231,
3989 232, 233, 234, 235, 236, 237, 238, 239,
3990 240, 241, 242, 243, 244, 245, 246, 247,
3991 248, 249, 250, 251, 252, 253, 254, 255
3992};
9d116dd7 3993#endif /* !EBCDIC */
79072805 3994#else
22c35a8c 3995EXTCONST unsigned char PL_fold[];
79072805
LW		 3996#endif
3997
27da23d5 3998#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3999#ifdef DOINIT
27da23d5 4000EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4001 0, 1, 2, 3, 4, 5, 6, 7,
4002 8, 9, 10, 11, 12, 13, 14, 15,
4003 16, 17, 18, 19, 20, 21, 22, 23,
4004 24, 25, 26, 27, 28, 29, 30, 31,
4005 32, 33, 34, 35, 36, 37, 38, 39,
4006 40, 41, 42, 43, 44, 45, 46, 47,
4007 48, 49, 50, 51, 52, 53, 54, 55,
4008 56, 57, 58, 59, 60, 61, 62, 63,
4009 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4010 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4011 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4012 'x', 'y', 'z', 91, 92, 93, 94, 95,
4013 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4014 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4015 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4016 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4017 128, 129, 130, 131, 132, 133, 134, 135,
4018 136, 137, 138, 139, 140, 141, 142, 143,
4019 144, 145, 146, 147, 148, 149, 150, 151,
4020 152, 153, 154, 155, 156, 157, 158, 159,
4021 160, 161, 162, 163, 164, 165, 166, 167,
4022 168, 169, 170, 171, 172, 173, 174, 175,
4023 176, 177, 178, 179, 180, 181, 182, 183,
4024 184, 185, 186, 187, 188, 189, 190, 191,
4025 192, 193, 194, 195, 196, 197, 198, 199,
4026 200, 201, 202, 203, 204, 205, 206, 207,
4027 208, 209, 210, 211, 212, 213, 214, 215,
4028 216, 217, 218, 219, 220, 221, 222, 223,
4029 224, 225, 226, 227, 228, 229, 230, 231,
4030 232, 233, 234, 235, 236, 237, 238, 239,
4031 240, 241, 242, 243, 244, 245, 246, 247,
4032 248, 249, 250, 251, 252, 253, 254, 255
4033};
4034#else
27da23d5 4035EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4036#endif
27da23d5 4037#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4038
4039#ifdef DOINIT
9d116dd7 4040#ifdef EBCDIC
27da23d5 4041EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4042 1, 2, 84, 151, 154, 155, 156, 157,
4043 165, 246, 250, 3, 158, 7, 18, 29,
4044 40, 51, 62, 73, 85, 96, 107, 118,
4045 129, 140, 147, 148, 149, 150, 152, 153,
4046 255, 6, 8, 9, 10, 11, 12, 13,
4047 14, 15, 24, 25, 26, 27, 28, 226,
4048 29, 30, 31, 32, 33, 43, 44, 45,
4049 46, 47, 48, 49, 50, 76, 77, 78,
4050 79, 80, 81, 82, 83, 84, 85, 86,
4051 87, 94, 95, 234, 181, 233, 187, 190,
4052 180, 96, 97, 98, 99, 100, 101, 102,
4053 104, 112, 182, 174, 236, 232, 229, 103,
4054 228, 226, 114, 115, 116, 117, 118, 119,
4055 120, 121, 122, 235, 176, 230, 194, 162,
4056 130, 131, 132, 133, 134, 135, 136, 137,
4057 138, 139, 201, 205, 163, 217, 220, 224,
4058 5, 248, 227, 244, 242, 255, 241, 231,
4059 240, 253, 16, 197, 19, 20, 21, 187,
4060 23, 169, 210, 245, 237, 249, 247, 239,
4061 168, 252, 34, 196, 36, 37, 38, 39,
4062 41, 42, 251, 254, 238, 223, 221, 213,
4063 225, 177, 52, 53, 54, 55, 56, 57,
4064 58, 59, 60, 61, 63, 64, 65, 66,
4065 67, 68, 69, 70, 71, 72, 74, 75,
4066 205, 208, 186, 202, 200, 218, 198, 179,
4067 178, 214, 88, 89, 90, 91, 92, 93,
4068 217, 166, 170, 207, 199, 209, 206, 204,
4069 160, 212, 105, 106, 108, 109, 110, 111,
4070 203, 113, 216, 215, 192, 175, 193, 243,
4071 172, 161, 123, 124, 125, 126, 127, 128,
4072 222, 219, 211, 195, 188, 193, 185, 184,
4073 191, 183, 141, 142, 143, 144, 145, 146
4074};
4075#else /* ascii rather than ebcdic */
22c35a8c 4076EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4077 1, 2, 84, 151, 154, 155, 156, 157,
4078 165, 246, 250, 3, 158, 7, 18, 29,
4079 40, 51, 62, 73, 85, 96, 107, 118,
4080 129, 140, 147, 148, 149, 150, 152, 153,
4081 255, 182, 224, 205, 174, 176, 180, 217,
4082 233, 232, 236, 187, 235, 228, 234, 226,
4083 222, 219, 211, 195, 188, 193, 185, 184,
4084 191, 183, 201, 229, 181, 220, 194, 162,
4085 163, 208, 186, 202, 200, 218, 198, 179,
4086 178, 214, 166, 170, 207, 199, 209, 206,
4087 204, 160, 212, 216, 215, 192, 175, 173,
4088 243, 172, 161, 190, 203, 189, 164, 230,
4089 167, 248, 227, 244, 242, 255, 241, 231,
4090 240, 253, 169, 210, 245, 237, 249, 247,
4091 239, 168, 252, 251, 254, 238, 223, 221,
4092 213, 225, 177, 197, 171, 196, 159, 4,
4093 5, 6, 8, 9, 10, 11, 12, 13,
4094 14, 15, 16, 17, 19, 20, 21, 22,
4095 23, 24, 25, 26, 27, 28, 30, 31,
4096 32, 33, 34, 35, 36, 37, 38, 39,
4097 41, 42, 43, 44, 45, 46, 47, 48,
4098 49, 50, 52, 53, 54, 55, 56, 57,
4099 58, 59, 60, 61, 63, 64, 65, 66,
4100 67, 68, 69, 70, 71, 72, 74, 75,
4101 76, 77, 78, 79, 80, 81, 82, 83,
4102 86, 87, 88, 89, 90, 91, 92, 93,
4103 94, 95, 97, 98, 99, 100, 101, 102,
4104 103, 104, 105, 106, 108, 109, 110, 111,
4105 112, 113, 114, 115, 116, 117, 119, 120,
4106 121, 122, 123, 124, 125, 126, 127, 128,
4107 130, 131, 132, 133, 134, 135, 136, 137,
4108 138, 139, 141, 142, 143, 144, 145, 146
4109};
9d116dd7 4110#endif
79072805 4111#else
22c35a8c 4112EXTCONST unsigned char PL_freq[];
79072805
LW		 4113#endif
4114
8990e307
LW		 4115#ifdef DEBUGGING
4116#ifdef DOINIT
27da23d5 4117EXTCONST char* const PL_block_type[] = {
8990e307
LW		 4118 "NULL",
4119 "SUB",
4120 "EVAL",
4121 "LOOP",
4122 "SUBST",
4123 "BLOCK",
0d863452
RH		 4124 "FORMAT",
4125 "GIVEN",
4126 "WHEN"
8990e307
LW		 4127};
4128#else
22c35a8c 4129EXTCONST char* PL_block_type[];
8990e307
LW		 4130#endif
4131#endif
4132
73c4f7a1
GS		 4133END_EXTERN_C
4134
79072805
LW		 4135/*****************************************************************************/
4136/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4137/*****************************************************************************/
8990e307 4138/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4139
d4c3c482 4140#ifdef __Lynx__
9cffb111
OS		 4141/* LynxOS defines these in scsi.h which is included via ioctl.h */
4142#ifdef FORMAT
4143#undef FORMAT
4144#endif
4145#ifdef SPACE
4146#undef SPACE
4147#endif
d4c3c482 4148#endif
9cffb111 4149
fb73857a 4150#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4151
79072805
LW		 4152typedef enum {
4153 XOPERATOR,
4154 XTERM,
79072805 4155 XREF,
8990e307 4156 XSTATE,
a0d0e21e 4157 XBLOCK,
09bef843
SB		 4158 XATTRBLOCK,
4159 XATTRTERM,
6f33ba73
RGS		 4160 XTERMBLOCK,
4161 XTERMORDORDOR /* evil hack */
27308ded 4162 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4163} expectation;
4164
dc9e4912
GS		 4165enum { /* pass one of these to get_vtbl */
4166 want_vtbl_sv,
4167 want_vtbl_env,
4168 want_vtbl_envelem,
4169 want_vtbl_sig,
4170 want_vtbl_sigelem,
4171 want_vtbl_pack,
4172 want_vtbl_packelem,
4173 want_vtbl_dbline,
4174 want_vtbl_isa,
4175 want_vtbl_isaelem,
4176 want_vtbl_arylen,
4177 want_vtbl_glob,
4178 want_vtbl_mglob,
4179 want_vtbl_nkeys,
4180 want_vtbl_taint,
4181 want_vtbl_substr,
4182 want_vtbl_vec,
4183 want_vtbl_pos,
4184 want_vtbl_bm,
4185 want_vtbl_fm,
4186 want_vtbl_uvar,
4187 want_vtbl_defelem,
4188 want_vtbl_regexp,
4189 want_vtbl_collxfrm,
4190 want_vtbl_amagic,
4191 want_vtbl_amagicelem,
dc9e4912 4192 want_vtbl_regdata,
810b8aa5 4193 want_vtbl_regdatum,
7e8c5dac 4194 want_vtbl_backref,
8d2f4536 4195 want_vtbl_utf8,
83bf042f 4196 want_vtbl_symtab,
b3ca2e83
NC		 4197 want_vtbl_arylen_p,
4198 want_vtbl_hintselem
dc9e4912
GS		 4199};
4200
85e6fe83
LW		 4201 /* Note: the lowest 8 bits are reserved for
4202 stuffing into op->op_private */
f3aa04c2 4203#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 4204#define HINT_INTEGER 0x00000001 /* integer pragma */
4205#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4206#define HINT_LOCALE 0x00000004 /* locale pragma */
4207#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 4208/* #define HINT_notused10 0x00000010 */
a0ed51b3 4209 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4210 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4211
4212#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4213#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4214#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 4215
9cfe5470 4216/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4217#define HINT_NEW_INTEGER 0x00001000
4218#define HINT_NEW_FLOAT 0x00002000
4219#define HINT_NEW_BINARY 0x00004000
4220#define HINT_NEW_STRING 0x00008000
4221#define HINT_NEW_RE 0x00010000
4222#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
4223
9cfe5470
RGS		 4224#define HINT_RE_TAINT 0x00100000 /* re pragma */
4225#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4226
9cfe5470
RGS		 4227#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4228#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4229
8fa7688f 4230/* assertions pragma */
06492da6 4231#define HINT_ASSERTING 0x01000000
8fa7688f 4232#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 4233
0239f47c 4234/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4235#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4236#define HINT_SORT_QUICKSORT 0x00000001
4237#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4238#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4239
8bfdd7d9 4240/* Various states of the input record separator SV (rs) */
d4cce5f1 4241#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4242#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4243#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4244#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4245
128e8167 4246/* A struct for keeping various DEBUGGING related stuff,
ce333219 4247 * neatly packed. Currently only scratch variables for
128e8167
JH		 4248 * constructing debug output are included. Needed always,
4249 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4250struct perl_debug_pad {
4251 SV pad[3];
4252};
4253
4254#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4255#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4256 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4257 PERL_DEBUG_PAD(i))
ce333219 4258
56953603 4259/* Enable variables which are pointers to functions */
a2efc822 4260typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 4261typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
4262typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
4263 char* strend, char* strbeg, I32 minend,
4264 SV* screamer, void* data, U32 flags);
f722798b
IZ		 4265typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
4266 char *strpos, char *strend,
4267 U32 flags,
4268 struct re_scream_pos_data_s *d);
4269typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
4270typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 4271
c76ac1ee 4272typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 4273typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
4274typedef void (*SVFUNC_t) (pTHX_ SV*);
4275typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
4276typedef void (*XSINIT_t) (pTHX);
4277typedef void (*ATEXIT_t) (pTHX_ void*);
4278typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4279
22239a37
NIS		 4280/* Set up PERLVAR macros for populating structs */
4281#define PERLVAR(var,type) type var;
51371543 4282#define PERLVARA(var,n,type) type var[n];
22239a37 4283#define PERLVARI(var,type,init) type var;
3fe35a81 4284#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4285#define PERLVARISC(var,init) const char var[sizeof(init)];
4286
4287typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
4288typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 4289
58a50f62
GS		 4290/* Interpreter exitlist entry */
4291typedef struct exitlistentry {
acfe0abc 4292 void (*fn) (pTHX_ void*);
58a50f62
GS		 4293 void *ptr;
4294} PerlExitListEntry;
4295
aadb217d
JH		 4296/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4297/* These have to be before perlvars.h */
4298#if !defined(HAS_SIGACTION) && defined(VMS)
4299# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4300#endif
4301/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4302#if defined(KILL_BY_SIGPRC)
4303# define FAKE_DEFAULT_SIGNAL_HANDLERS
4304#endif
4305
22239a37
NIS		 4306#ifdef PERL_GLOBAL_STRUCT
4307struct perl_vars {
7766f137 4308# include "perlvars.h"
22239a37
NIS		 4309};
4310
7766f137 4311# ifdef PERL_CORE
27da23d5 4312# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4313EXT struct perl_vars PL_Vars;
4314EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4315# undef PERL_GET_VARS
4316# define PERL_GET_VARS() PL_VarsPtr
4317# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4318# else /* PERL_CORE */
4319# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4320EXT
7766f137 4321# endif /* WIN32 */
533c011a 4322struct perl_vars *PL_VarsPtr;
7766f137
GS		 4323# define PL_Vars (*((PL_VarsPtr) \
4324 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4325# endif /* PERL_CORE */
22239a37
NIS		 4326#endif /* PERL_GLOBAL_STRUCT */
4327
acfe0abc 4328#if defined(MULTIPLICITY)
d460ef45 4329/* If we have multiple interpreters define a struct
d4cce5f1 4330 holding variables which must be per-interpreter
d460ef45 4331 If we don't have threads anything that would have
d4cce5f1
NIS		 4332 be per-thread is per-interpreter.
4333*/
4334
79072805 4335struct interpreter {
3db8f154 4336# include "thrdvar.h"
7766f137
GS		 4337# include "intrpvar.h"
4338/*
4339 * The following is a buffer where new variables must
acfe0abc 4340 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 4341 */
4342PERLVARA(object_compatibility,30, char)
49f531da 4343};
d4cce5f1 4344
79072805 4345#else
49f531da
NIS		 4346struct interpreter {
4347 char broiled;
4348};
acfe0abc 4349#endif /* MULTIPLICITY */
79072805 4350
22fae026 4351typedef void *Thread;
22239a37
NIS		 4352
4353/* Done with PERLVAR macros for now ... */
d4cce5f1 4354#undef PERLVAR
51371543 4355#undef PERLVARA
d4cce5f1 4356#undef PERLVARI
3fe35a81 4357#undef PERLVARIC
27da23d5 4358#undef PERLVARISC
79072805 4359
f7fe979e 4360struct tempsym; /* defined in pp_pack.c */
49704364 4361
22239a37 4362#include "thread.h"
79072805 4363#include "pp.h"
864dbfa3
GS		 4364
4365#ifndef PERL_CALLCONV
4366# define PERL_CALLCONV
d460ef45 4367#endif
0cb96387
GS		 4368#undef PERL_CKDEF
4369#undef PERL_PPDEF
0159f81b
JH		 4370#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4371#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4372
7766f137 4373#include "proto.h"
864dbfa3 4374
0cb96387 4375/* this has structure inits, so it cannot be included before here */
acfe0abc 4376#include "opcode.h"
864dbfa3 4377
d4cce5f1
NIS		 4378/* The following must follow proto.h as #defines mess up syntax */
4379
22c35a8c
GS		 4380#if !defined(PERL_FOR_X2P)
4381# include "embedvar.h"
4382#endif
598921a7
NC		 4383#ifndef PERL_MAD
4384# undef PL_madskills
4385# undef PL_xmlfp
4386# define PL_madskills 0
4387# define PL_xmlfp 0
4388#endif
d4cce5f1 4389
d460ef45 4390/* Now include all the 'global' variables
d4cce5f1 4391 * If we don't have threads or multiple interpreters
d460ef45 4392 * these include variables that would have been their struct-s
d4cce5f1 4393 */
d460ef45 4394
533c011a 4395#define PERLVAR(var,type) EXT type PL_##var;
51371543 4396#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4397#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4398#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 4399#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 4400
acfe0abc 4401#if !defined(MULTIPLICITY)
7766f137 4402START_EXTERN_C
066ef5b5 4403# include "intrpvar.h"
3db8f154 4404# include "thrdvar.h"
7766f137 4405END_EXTERN_C
22239a37
NIS		 4406#endif
4407
acfe0abc 4408#if defined(WIN32)
66a93824 4409/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4410# include "embed.h"
eb8433b7
NC		 4411# ifndef PERL_MAD
4412# undef op_getmad
b3f24c00 4413# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 4414# endif
acfe0abc 4415#endif
22239a37 4416
c5be433b
GS		 4417#ifndef PERL_GLOBAL_STRUCT
4418START_EXTERN_C
4419
4420# include "perlvars.h"
4421
4422END_EXTERN_C
4423#endif
4424
d4cce5f1 4425#undef PERLVAR
51371543 4426#undef PERLVARA
d4cce5f1 4427#undef PERLVARI
0f3f18a6 4428#undef PERLVARIC
79072805 4429
73c4f7a1
GS		 4430START_EXTERN_C
4431
79072805 4432#ifdef DOINIT
2664ba31
AL		 4433# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT MGVTBL var = {a,b,c,d,e,f,g,h}
4434/* Like MGVTBL_SET but with the get magic having a const MG* */
4435# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT MGVTBL var \
4436 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
4944113a 4437#else
2664ba31
AL		 4438# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT MGVTBL var
4439# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT MGVTBL var
4944113a
AL		 4440#endif
4441
4442MGVTBL_SET(
4443 PL_vtbl_sv,
4444 MEMBER_TO_FPTR(Perl_magic_get),
4445 MEMBER_TO_FPTR(Perl_magic_set),
4446 MEMBER_TO_FPTR(Perl_magic_len),
4447 NULL,
4448 NULL,
4449 NULL,
2664ba31 4450 NULL,
4944113a
AL		 4451 NULL
4452);
4453
4454MGVTBL_SET(
4455 PL_vtbl_env,
4456 NULL,
4457 MEMBER_TO_FPTR(Perl_magic_set_all_env),
4458 NULL,
4459 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
4460 NULL,
4461 NULL,
2664ba31 4462 NULL,
4944113a
AL		 4463 NULL
4464);
4465
4466MGVTBL_SET(
4467 PL_vtbl_envelem,
4468 NULL,
4469 MEMBER_TO_FPTR(Perl_magic_setenv),
4470 NULL,
4471 MEMBER_TO_FPTR(Perl_magic_clearenv),
4472 NULL,
4473 NULL,
2664ba31 4474 NULL,
4944113a
AL		 4475 NULL
4476);
4477
b3ca2e83 4478/* For now, hints magic will also use vtbl_sig, because it is all NULL */
4944113a
AL		 4479MGVTBL_SET(
4480 PL_vtbl_sig,
4481 NULL,
4482 NULL,
4483 NULL,
4484 NULL,
4485 NULL,
4486 NULL,
2664ba31 4487 NULL,
4944113a
AL		 4488 NULL
4489);
4490
9ba75e3c 4491#ifdef PERL_MICRO
4944113a
AL		 4492MGVTBL_SET(
4493 PL_vtbl_sigelem,
2664ba31
AL		 4494 NULL,
4495 NULL,
4496 NULL,
4497 NULL,
4498 NULL,
4499 NULL,
4500 NULL,
4501 NULL
9ba75e3c
DD		 4502);
4503
64ca3a65 4504#else
9ba75e3c
DD		 4505MGVTBL_SET(
4506 PL_vtbl_sigelem,
4944113a
AL		 4507 MEMBER_TO_FPTR(Perl_magic_getsig),
4508 MEMBER_TO_FPTR(Perl_magic_setsig),
4509 NULL,
4510 MEMBER_TO_FPTR(Perl_magic_clearsig),
4511 NULL,
4512 NULL,
2664ba31 4513 NULL,
4944113a 4514 NULL
4944113a 4515);
9ba75e3c 4516#endif
4944113a
AL		 4517
4518MGVTBL_SET(
4519 PL_vtbl_pack,
4520 NULL,
4521 NULL,
4522 MEMBER_TO_FPTR(Perl_magic_sizepack),
4523 MEMBER_TO_FPTR(Perl_magic_wipepack),
4524 NULL,
4525 NULL,
2664ba31 4526 NULL,
4944113a
AL		 4527 NULL
4528);
4529
4530MGVTBL_SET(
4531 PL_vtbl_packelem,
4532 MEMBER_TO_FPTR(Perl_magic_getpack),
4533 MEMBER_TO_FPTR(Perl_magic_setpack),
4534 NULL,
4535 MEMBER_TO_FPTR(Perl_magic_clearpack),
4536 NULL,
4537 NULL,
2664ba31 4538 NULL,
4944113a
AL		 4539 NULL
4540);
4541
4542MGVTBL_SET(
4543 PL_vtbl_dbline,
4544 NULL,
4545 MEMBER_TO_FPTR(Perl_magic_setdbline),
4546 NULL,
4547 NULL,
4548 NULL,
4549 NULL,
2664ba31 4550 NULL,
4944113a
AL		 4551 NULL
4552);
4553
4554MGVTBL_SET(
4555 PL_vtbl_isa,
4556 NULL,
4557 MEMBER_TO_FPTR(Perl_magic_setisa),
4558 NULL,
4559 MEMBER_TO_FPTR(Perl_magic_setisa),
4560 NULL,
4561 NULL,
2664ba31 4562 NULL,
4944113a
AL		 4563 NULL
4564);
4565
4566MGVTBL_SET(
4567 PL_vtbl_isaelem,
4568 NULL,
4569 MEMBER_TO_FPTR(Perl_magic_setisa),
4570 NULL,
4571 NULL,
4572 NULL,
4573 NULL,
2664ba31 4574 NULL,
4944113a
AL		 4575 NULL
4576);
4577
2e2109e1 4578MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 4579 PL_vtbl_arylen,
4580 MEMBER_TO_FPTR(Perl_magic_getarylen),
4581 MEMBER_TO_FPTR(Perl_magic_setarylen),
4582 NULL,
4583 NULL,
4584 NULL,
4585 NULL,
2664ba31 4586 NULL,
4944113a
AL		 4587 NULL
4588);
4589
4590MGVTBL_SET(
83bf042f
NC		 4591 PL_vtbl_arylen_p,
4592 NULL,
4593 NULL,
4594 NULL,
4595 NULL,
4596 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
4597 NULL,
2664ba31 4598 NULL,
83bf042f
NC		 4599 NULL
4600);
4601
4602MGVTBL_SET(
4944113a
AL		 4603 PL_vtbl_mglob,
4604 NULL,
4605 MEMBER_TO_FPTR(Perl_magic_setmglob),
4606 NULL,
4607 NULL,
4608 NULL,
4609 NULL,
2664ba31 4610 NULL,
4944113a
AL		 4611 NULL
4612);
4613
4614MGVTBL_SET(
4615 PL_vtbl_nkeys,
4616 MEMBER_TO_FPTR(Perl_magic_getnkeys),
4617 MEMBER_TO_FPTR(Perl_magic_setnkeys),
4618 NULL,
4619 NULL,
4620 NULL,
4621 NULL,
2664ba31 4622 NULL,
4944113a
AL		 4623 NULL
4624);
4625
4626MGVTBL_SET(
4627 PL_vtbl_taint,
4628 MEMBER_TO_FPTR(Perl_magic_gettaint),
4629 MEMBER_TO_FPTR(Perl_magic_settaint),
4630 NULL,
4631 NULL,
4632 NULL,
4633 NULL,
2664ba31 4634 NULL,
4944113a
AL		 4635 NULL
4636);
4637
4638MGVTBL_SET(
4639 PL_vtbl_substr,
4640 MEMBER_TO_FPTR(Perl_magic_getsubstr),
4641 MEMBER_TO_FPTR(Perl_magic_setsubstr),
4642 NULL,
4643 NULL,
4644 NULL,
4645 NULL,
2664ba31 4646 NULL,
4944113a
AL		 4647 NULL
4648);
4649
4650MGVTBL_SET(
4651 PL_vtbl_vec,
4652 MEMBER_TO_FPTR(Perl_magic_getvec),
4653 MEMBER_TO_FPTR(Perl_magic_setvec),
4654 NULL,
4655 NULL,
4656 NULL,
4657 NULL,
2664ba31 4658 NULL,
4944113a
AL		 4659 NULL
4660);
4661
4662MGVTBL_SET(
4663 PL_vtbl_pos,
4664 MEMBER_TO_FPTR(Perl_magic_getpos),
4665 MEMBER_TO_FPTR(Perl_magic_setpos),
4666 NULL,
4667 NULL,
4668 NULL,
4669 NULL,
2664ba31 4670 NULL,
4944113a
AL		 4671 NULL
4672);
4673
4674MGVTBL_SET(
4675 PL_vtbl_bm,
4676 NULL,
4677 MEMBER_TO_FPTR(Perl_magic_setbm),
4678 NULL,
4679 NULL,
4680 NULL,
4681 NULL,
2664ba31 4682 NULL,
4944113a
AL		 4683 NULL
4684);
4685
4686MGVTBL_SET(
4687 PL_vtbl_fm,
4688 NULL,
4689 MEMBER_TO_FPTR(Perl_magic_setfm),
4690 NULL,
4691 NULL,
4692 NULL,
4693 NULL,
2664ba31 4694 NULL,
4944113a
AL		 4695 NULL
4696);
4697
4698MGVTBL_SET(
4699 PL_vtbl_uvar,
4700 MEMBER_TO_FPTR(Perl_magic_getuvar),
4701 MEMBER_TO_FPTR(Perl_magic_setuvar),
4702 NULL,
4703 NULL,
4704 NULL,
4705 NULL,
2664ba31 4706 NULL,
4944113a
AL		 4707 NULL
4708);
4709
4710MGVTBL_SET(
4711 PL_vtbl_defelem,
4712 MEMBER_TO_FPTR(Perl_magic_getdefelem),
4713 MEMBER_TO_FPTR(Perl_magic_setdefelem),
4714 NULL,
4715 NULL,
4716 NULL,
4717 NULL,
2664ba31 4718 NULL,
4944113a
AL		 4719 NULL
4720);
4721
4722MGVTBL_SET(
4723 PL_vtbl_regexp,
4724 NULL,
4725 MEMBER_TO_FPTR(Perl_magic_setregexp),
4726 NULL,
4727 NULL,
4728 MEMBER_TO_FPTR(Perl_magic_freeregexp),
4729 NULL,
2664ba31 4730 NULL,
4944113a
AL		 4731 NULL
4732);
4733
4734MGVTBL_SET(
4735 PL_vtbl_regdata,
4736 NULL,
4737 NULL,
4738 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
4739 NULL,
4740 NULL,
4741 NULL,
2664ba31 4742 NULL,
4944113a
AL		 4743 NULL
4744);
4745
4746MGVTBL_SET(
4747 PL_vtbl_regdatum,
4748 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
4749 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
4750 NULL,
4751 NULL,
4752 NULL,
4753 NULL,
2664ba31 4754 NULL,
4944113a
AL		 4755 NULL
4756);
4757
4758MGVTBL_SET(
4759 PL_vtbl_amagic,
4760 NULL,
4761 MEMBER_TO_FPTR(Perl_magic_setamagic),
4762 NULL,
4763 NULL,
4764 MEMBER_TO_FPTR(Perl_magic_setamagic),
4765 NULL,
2664ba31 4766 NULL,
4944113a
AL		 4767 NULL
4768);
4769
4770MGVTBL_SET(
4771 PL_vtbl_amagicelem,
4772 NULL,
4773 MEMBER_TO_FPTR(Perl_magic_setamagic),
4774 NULL,
4775 NULL,
4776 MEMBER_TO_FPTR(Perl_magic_setamagic),
4777 NULL,
2664ba31 4778 NULL,
4944113a
AL		 4779 NULL
4780);
4781
4782MGVTBL_SET(
4783 PL_vtbl_backref,
4784 NULL,
4785 NULL,
4786 NULL,
4787 NULL,
4788 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
4789 NULL,
2664ba31 4790 NULL,
4944113a
AL		 4791 NULL
4792);
4793
4794MGVTBL_SET(
4795 PL_vtbl_ovrld,
4796 NULL,
4797 NULL,
4798 NULL,
4799 NULL,
4800 MEMBER_TO_FPTR(Perl_magic_freeovrld),
4801 NULL,
2664ba31 4802 NULL,
4944113a
AL		 4803 NULL
4804);
4805
4806MGVTBL_SET(
4807 PL_vtbl_utf8,
4808 NULL,
4809 MEMBER_TO_FPTR(Perl_magic_setutf8),
4810 NULL,
4811 NULL,
4812 NULL,
4813 NULL,
2664ba31 4814 NULL,
4944113a
AL		 4815 NULL
4816);
36477c24 4817#ifdef USE_LOCALE_COLLATE
4944113a
AL		 4818MGVTBL_SET(
4819 PL_vtbl_collxfrm,
4820 NULL,
4821 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
4822 NULL,
4823 NULL,
4824 NULL,
4825 NULL,
2664ba31 4826 NULL,
4944113a
AL		 4827 NULL
4828);
bbce6d69 4829#endif
a0d0e21e 4830
b3ca2e83
NC		 4831MGVTBL_SET(
4832 PL_vtbl_hintselem,
4833 NULL,
4834 MEMBER_TO_FPTR(Perl_magic_sethint),
4835 NULL,
4836 MEMBER_TO_FPTR(Perl_magic_clearhint),
4837 NULL,
4838 NULL,
4839 NULL,
4840 NULL
4841);
4842
85e6fe83 4843
f5284f61
IZ		 4844enum {
4845 fallback_amg, abs_amg,
4846 bool__amg, nomethod_amg,
4847 string_amg, numer_amg,
4848 add_amg, add_ass_amg,
4849 subtr_amg, subtr_ass_amg,
4850 mult_amg, mult_ass_amg,
4851 div_amg, div_ass_amg,
4852 modulo_amg, modulo_ass_amg,
4853 pow_amg, pow_ass_amg,
4854 lshift_amg, lshift_ass_amg,
4855 rshift_amg, rshift_ass_amg,
4856 band_amg, band_ass_amg,
4857 bor_amg, bor_ass_amg,
4858 bxor_amg, bxor_ass_amg,
4859 lt_amg, le_amg,
4860 gt_amg, ge_amg,
4861 eq_amg, ne_amg,
4862 ncmp_amg, scmp_amg,
4863 slt_amg, sle_amg,
4864 sgt_amg, sge_amg,
4865 seq_amg, sne_amg,
4866 not_amg, compl_amg,
4867 inc_amg, dec_amg,
4868 atan2_amg, cos_amg,
4869 sin_amg, exp_amg,
4870 log_amg, sqrt_amg,
4871 repeat_amg, repeat_ass_amg,
4872 concat_amg, concat_ass_amg,
4873 copy_amg, neg_amg,
4874 to_sv_amg, to_av_amg,
4875 to_hv_amg, to_gv_amg,
d460ef45 4876 to_cv_amg, iter_amg,
0d863452
RH		 4877 int_amg, smart_amg,
4878
4879 /* Note: Perl_Gv_AMupdate() assumes that DESTROY is the last entry */
4880 DESTROY_amg,
f216259d 4881 max_amg_code
64a0062a 4882 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 4883};
4884
4885#define NofAMmeth max_amg_code
e1ec3a88 4886#define AMG_id2name(id) (PL_AMG_names[id]+1)
f5284f61 4887
a0d0e21e 4888#ifdef DOINIT
27da23d5 4889EXTCONST char * const PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 4890 /* Names kept in the symbol table. fallback => "()", the rest has
4891 "(" prepended. The only other place in perl which knows about
4892 this convention is AMG_id2name (used for debugging output and
4893 'nomethod' only), the only other place which has it hardwired is
4894 overload.pm. */
4895 "()", "(abs", /* "fallback" should be the first. */
4896 "(bool", "(nomethod",
4897 "(\"\"", "(0+",
4898 "(+", "(+=",
4899 "(-", "(-=",
4900 "(*", "(*=",
4901 "(/", "(/=",
4902 "(%", "(%=",
4903 "(**", "(**=",
4904 "(<<", "(<<=",
4905 "(>>", "(>>=",
4906 "(&", "(&=",
4907 "(|", "(|=",
4908 "(^", "(^=",
4909 "(<", "(<=",
4910 "(>", "(>=",
4911 "(==", "(!=",
4912 "(<=>", "(cmp",
4913 "(lt", "(le",
4914 "(gt", "(ge",
4915 "(eq", "(ne",
4916 "(!", "(~",
4917 "(++", "(--",
4918 "(atan2", "(cos",
4919 "(sin", "(exp",
4920 "(log", "(sqrt",
4921 "(x", "(x=",
4922 "(.", "(.=",
4923 "(=", "(neg",
4924 "(${}", "(@{}",
4925 "(%{}", "(*{}",
4926 "(&{}", "(<>",
0d863452
RH		 4927 "(int", "(~~",
4928 "DESTROY"
a0d0e21e
LW		 4929};
4930#else
22c35a8c 4931EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 4932#endif /* def INITAMAGIC */
4933
73c4f7a1
GS		 4934END_EXTERN_C
4935
a6006777 4936struct am_table {
eb160463 4937 U32 was_ok_sub;
a0d0e21e 4938 long was_ok_am;
a6006777 4939 U32 flags;
4940 CV* table[NofAMmeth];
a0d0e21e
LW		 4941 long fallback;
4942};
a6006777 4943struct am_table_short {
eb160463 4944 U32 was_ok_sub;
a6006777 4945 long was_ok_am;
4946 U32 flags;
4947};
a0d0e21e 4948typedef struct am_table AMT;
a6006777 4949typedef struct am_table_short AMTS;
a0d0e21e
LW		 4950
4951#define AMGfallNEVER 1
4952#define AMGfallNO 2
4953#define AMGfallYES 3
4954
a6006777 4955#define AMTf_AMAGIC 1
32251b26 4956#define AMTf_OVERLOADED 2
a6006777 4957#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
4958#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
4959#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 4960#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
4961#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
4962#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 4963
32251b26 4964#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 4965
4966/*
4967 * some compilers like to redefine cos et alia as faster
4968 * (and less accurate?) versions called F_cos et cetera (Quidquid
4969 * latine dictum sit, altum viditur.) This trick collides with
4970 * the Perl overloading (amg). The following #defines fool both.
4971 */
4972
4973#ifdef _FASTMATH
4974# ifdef atan2
4975# define F_atan2_amg atan2_amg
4976# endif
4977# ifdef cos
4978# define F_cos_amg cos_amg
4979# endif
4980# ifdef exp
4981# define F_exp_amg exp_amg
4982# endif
4983# ifdef log
4984# define F_log_amg log_amg
4985# endif
4986# ifdef pow
4987# define F_pow_amg pow_amg
4988# endif
4989# ifdef sin
4990# define F_sin_amg sin_amg
4991# endif
4992# ifdef sqrt
4993# define F_sqrt_amg sqrt_amg
4994# endif
4995#endif /* _FASTMATH */
4996
83ee9e09
GS		 4997#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
4998 PERLDBf_NOOPT | PERLDBf_INTER | \
4999 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 5000 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
5001 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 5002#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5003#define PERLDBf_LINE 0x02 /* Keep line # */
5004#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5005#define PERLDBf_INTER 0x08 /* Preserve more data for
5006 later inspections */
5007#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5008#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5009#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5010#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5011#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5012#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 5013#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 5014
3280af22
NIS		 5015#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5016#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5017#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5018#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5019#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5020#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5021#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5022#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5023#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5024#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 5025#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 5026
36477c24 5027#ifdef USE_LOCALE_NUMERIC
bbce6d69 5028
36477c24 5029#define SET_NUMERIC_STANDARD() \
ff4fed7c 5030 set_numeric_standard();
36477c24 5031
5032#define SET_NUMERIC_LOCAL() \
ff4fed7c 5033 set_numeric_local();
bbce6d69 5034
a98fe34d 5035#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5036#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5037
5038#define IN_LOCALE \
923e4eb5 5039 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5040
f93f4e46 5041#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5042 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5043 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5044
5045#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5046 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5047 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5048
5049#define RESTORE_NUMERIC_LOCAL() \
5050 if (was_local) SET_NUMERIC_LOCAL();
5051
5052#define RESTORE_NUMERIC_STANDARD() \
5053 if (was_standard) SET_NUMERIC_STANDARD();
5054
5b877257 5055#define Atof my_atof
097ee67d 5056
36477c24 5057#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5058
097ee67d
JH		 5059#define SET_NUMERIC_STANDARD() /**/
5060#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5061#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5062#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5063#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5064#define RESTORE_NUMERIC_LOCAL() /**/
5065#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5066#define Atof my_atof
ad3e0f90 5067#define IN_LOCALE_RUNTIME 0
bbce6d69 5068
36477c24 5069#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5070
079290de 5071#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5072# ifdef __hpux
5073# define strtoll __strtoll /* secret handshake */
5074# endif
c623ac67
GS		 5075# ifdef WIN64
5076# define strtoll _strtoi64 /* secret handshake */
5077# endif
079290de
GS		 5078# if !defined(Strtol) && defined(HAS_STRTOLL)
5079# define Strtol strtoll
ad551343 5080# endif
28e5dec8
JH		 5081# if !defined(Strtol) && defined(HAS_STRTOQ)
5082# define Strtol strtoq
5083# endif
ff935051 5084/* is there atoq() anywhere? */
15b99d39 5085#endif
079290de
GS		 5086#if !defined(Strtol) && defined(HAS_STRTOL)
5087# define Strtol strtol
5088#endif
5089#ifndef Atol
5090/* It would be more fashionable to use Strtol() to define atol()
5091 * (as is done for Atoul(), see below) but for backward compatibility
5092 * we just assume atol(). */
76b882ba 5093# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5094# ifdef WIN64
5095# define atoll _atoi64 /* secret handshake */
5096# endif
76b882ba
JH		 5097# define Atol atoll
5098# else
5099# define Atol atol
5100# endif
cf2093f6
JH		 5101#endif
5102
55eb892c 5103#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5104# ifdef __hpux
5105# define strtoull __strtoull /* secret handshake */
5106# endif
c623ac67
GS		 5107# ifdef WIN64
5108# define strtoull _strtoui64 /* secret handshake */
5109# endif
ad551343 5110# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5111# define Strtoul strtoull
15b99d39 5112# endif
079290de
GS		 5113# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5114# define Strtoul strtouq
5115# endif
76d49b1c 5116/* is there atouq() anywhere? */
ad551343 5117#endif
079290de
GS		 5118#if !defined(Strtoul) && defined(HAS_STRTOUL)
5119# define Strtoul strtoul
cf2093f6 5120#endif
a5523c5b
JH		 5121#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5122# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5123#endif
079290de 5124#ifndef Atoul
d4c19fe8 5125# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5126#endif
cf2093f6 5127
760ac839 5128
06d86050
GS		 5129/* if these never got defined, they need defaults */
5130#ifndef PERL_SET_CONTEXT
5131# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5132#endif
5133
5134#ifndef PERL_GET_CONTEXT
5135# define PERL_GET_CONTEXT PERL_GET_INTERP
5136#endif
5137
5138#ifndef PERL_GET_THX
5139# define PERL_GET_THX ((void*)NULL)
5140#endif
5141
5142#ifndef PERL_SET_THX
5143# define PERL_SET_THX(t) NOOP
5144#endif
5145
a868473f
NIS		 5146#ifndef PERL_SCRIPT_MODE
5147#define PERL_SCRIPT_MODE "r"
5148#endif
5149
fba3b22e 5150/*
da927450
JH		 5151 * Some operating systems are stingy with stack allocation,
5152 * so perl may have to guard against stack overflow.
5153 */
5154#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5155#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5156#endif
5157
5158/*
5159 * Some nonpreemptive operating systems find it convenient to
5160 * check for asynchronous conditions after each op execution.
5161 * Keep this check simple, or it may slow down execution
5162 * massively.
5163 */
ce08f86c 5164
1d615522 5165#ifndef PERL_MICRO
4ffa73a3
JH		 5166# ifndef PERL_ASYNC_CHECK
5167# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
5168# endif
ce08f86c
NIS		 5169#endif
5170
da927450 5171#ifndef PERL_ASYNC_CHECK
1d615522 5172# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5173#endif
5174
5175/*
5176 * On some operating systems, a memory allocation may succeed,
5177 * but put the process too close to the system's comfort limit.
5178 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5179 * it to NULL.
5180 */
5181#ifndef PERL_ALLOC_CHECK
c2af87cb 5182#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5183#endif
5184
bd89102f
AD		 5185#ifdef HAS_SEM
5186# include <sys/ipc.h>
5187# include <sys/sem.h>
5188# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5189 union semun {
dbba660d
TC		 5190 int val;
5191 struct semid_ds *buf;
5192 unsigned short *array;
bd89102f
AD		 5193 };
5194# endif
5195# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5196# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5197 union gccbug_semun {
5198 int val;
5199 struct semid_ds *buf;
5200 unsigned short *array;
5201 char __dummy[5];
5202 };
5203# define semun gccbug_semun
5204# endif
bd89102f
AD		 5205# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5206# else
5207# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5208# ifdef EXTRA_F_IN_SEMUN_BUF
5209# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5210# else
5211# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5212# endif
bd89102f
AD		 5213# endif
5214# endif
bd89102f 5215#endif
49f531da 5216
89ca4ac7
JH		 5217/*
5218 * Boilerplate macros for initializing and accessing interpreter-local
5219 * data from C. All statics in extensions should be reworked to use
5220 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 5221 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 5222 *
5223 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5224 * 1. #define MY_CXT_KEY to a unique string, e.g.
5225 * "DynaLoader::_guts" XS_VERSION
f16dd614 5226 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5227 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5228 * all the data that needs to be interpreter-local.
5229 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5230 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5231 * (typically put in the BOOT: section).
5232 * 5. Use the members of the my_cxt_t structure everywhere as
5233 * MY_CXT.member.
5234 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5235 * access MY_CXT.
5236 */
5237
fc958cd2 5238#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 5239
5240/* This must appear in all extensions that define a my_cxt_t structure,
5241 * right after the definition (i.e. at file scope). The non-threads
5242 * case below uses it to declare the data as static. */
f16dd614 5243#define START_MY_CXT static int my_cxt_index = -1;
89ca4ac7
JH		 5244
5245/* This declaration should be used within all functions that use the
5246 * interpreter-local data. */
5247#define dMY_CXT \
f16dd614
DM		 5248 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[my_cxt_index]
5249#define dMY_CXT_INTERP(my_perl) \
5250 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[my_cxt_index]
89ca4ac7
JH		 5251
5252/* Creates and zeroes the per-interpreter data.
5253 * (We allocate my_cxtp in a Perl SV so that it will be released when
5254 * the interpreter goes away.) */
5255#define MY_CXT_INIT \
f16dd614
DM		 5256 my_cxt_t *my_cxtp = \
5257 (my_cxt_t*)Perl_my_cxt_init(aTHX_ &my_cxt_index, sizeof(my_cxt_t))
5258#define MY_CXT_INIT_INTERP(my_perl) \
5259 my_cxt_t *my_cxtp = \
5260 (my_cxt_t*)Perl_my_cxt_init(my_perl, &my_cxt_index, sizeof(my_cxt_t))
89ca4ac7 5261
8fba5d14
MHM		 5262/* Clones the per-interpreter data. */
5263#define MY_CXT_CLONE \
8fba5d14 5264 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
f16dd614
DM		 5265 Copy(PL_my_cxt_list[my_cxt_index], my_cxtp, 1, my_cxt_t);\
5266 PL_my_cxt_list[my_cxt_index] = my_cxtp \
8fba5d14 5267
89ca4ac7
JH		 5268/* This macro must be used to access members of the my_cxt_t structure.
5269 * e.g. MYCXT.some_data */
5270#define MY_CXT (*my_cxtp)
5271
5272/* Judicious use of these macros can reduce the number of times dMY_CXT
5273 * is used. Use is similar to pTHX, aTHX etc. */
5274#define pMY_CXT my_cxt_t *my_cxtp
5275#define pMY_CXT_ pMY_CXT,
5276#define _pMY_CXT ,pMY_CXT
5277#define aMY_CXT my_cxtp
5278#define aMY_CXT_ aMY_CXT,
5279#define _aMY_CXT ,aMY_CXT
5280
f16dd614 5281#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7
JH		 5282
5283#define START_MY_CXT static my_cxt_t my_cxt;
5284#define dMY_CXT_SV dNOOP
5285#define dMY_CXT dNOOP
5286#define MY_CXT_INIT NOOP
8fba5d14 5287#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 5288#define MY_CXT my_cxt
5289
5290#define pMY_CXT void
5291#define pMY_CXT_
5292#define _pMY_CXT
5293#define aMY_CXT
5294#define aMY_CXT_
5295#define _aMY_CXT
5296
f16dd614 5297#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5298
9a34ef1d
GS		 5299#ifdef I_FCNTL
5300# include <fcntl.h>
9a34ef1d
GS		 5301#endif
5302
9cffb111
OS		 5303#ifdef __Lynx__
5304# include <fcntl.h>
5305#endif
5306
9a34ef1d
GS		 5307#ifdef I_SYS_FILE
5308# include <sys/file.h>
5309#endif
5310
fa0a29af 5311#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5312int flock(int fd, int op);
5313#endif
5314
fe52b3b7
GS		 5315#ifndef O_RDONLY
5316/* Assume UNIX defaults */
5317# define O_RDONLY 0000
5318# define O_WRONLY 0001
5319# define O_RDWR 0002
5320# define O_CREAT 0100
5321#endif
9a34ef1d 5322
16fe6d59
GS		 5323#ifndef O_BINARY
5324# define O_BINARY 0
5325#endif
5326
5327#ifndef O_TEXT
5328# define O_TEXT 0
5329#endif
5330
6ce75a77
JH		 5331#if O_TEXT != O_BINARY
5332 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5333 * that is, you are somehow DOSish. */
538204d5 5334# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 5335 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5336 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5337 /* VOS has O_TEXT != O_BINARY, and they have effect,
5338 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5339 /* If you have O_TEXT different from your O_BINARY but you still are
5340 * not a CRLF shop. */
35990314 5341# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5342# else
5343 /* If you really are DOSish. */
5344# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5345# endif
5346#endif
5347
104d25b7
JH		 5348#ifdef IAMSUID
5349
5350#ifdef I_SYS_STATVFS
9f982a77
IG		 5351# if defined(PERL_SCO) && !defined(_SVID3)
5352# define _SVID3
5353# endif
32b3cf08
JH		 5354# include <sys/statvfs.h> /* for f?statvfs() */
5355#endif
5356#ifdef I_SYS_MOUNT
5357# include <sys/mount.h> /* for *BSD f?statfs() */
5358#endif
5359#ifdef I_MNTENT
5360# include <mntent.h> /* for getmntent() */
104d25b7 5361#endif
0545a864
JH		 5362#ifdef I_SYS_STATFS
5363# include <sys/statfs.h> /* for some statfs() */
5364#endif
5365#ifdef I_SYS_VFS
8d9e1a19
GS		 5366# ifdef __sgi
5367# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
5368# endif
5369# include <sys/vfs.h> /* for some statfs() */
5370# ifdef __sgi
5371# undef IRIX_sv
5372# endif
0545a864
JH		 5373#endif
5374#ifdef I_USTAT
5375# include <ustat.h> /* for ustat() */
5376#endif
5377
5378#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
5379# define PERL_MOUNT_NOSUID MOUNT_NOSUID
5380#endif
5381#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
5382# define PERL_MOUNT_NOSUID MNT_NOSUID
5383#endif
5384#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
5385# define PERL_MOUNT_NOSUID MS_NOSUID
5386#endif
5387#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
5388# define PERL_MOUNT_NOSUID M_NOSUID
5389#endif
104d25b7 5390
ae3f3efd
PS		 5391#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
5392# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
5393#endif
5394#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
5395# define PERL_MOUNT_NOEXEC MNT_NOEXEC
5396#endif
5397#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
5398# define PERL_MOUNT_NOEXEC MS_NOEXEC
5399#endif
5400#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
5401# define PERL_MOUNT_NOEXEC M_NOEXEC
5402#endif
5403
104d25b7
JH		 5404#endif /* IAMSUID */
5405
4bc88a62
PS		 5406#ifdef I_LIBUTIL
5407# include <libutil.h> /* setproctitle() in some FreeBSDs */
5408#endif
5409
b4748376
NIS		 5410#ifndef EXEC_ARGV_CAST
5411#define EXEC_ARGV_CAST(x) x
5412#endif
5413
dd5dc04f
JH		 5414#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5415 int). value returned in pointed-
5416 to UV */
5417#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5418#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5419#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5420#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5421#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5422
5423#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5424
53305cf1
NC		 5425/* Input flags: */
5426#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5427#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5428#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5429/* Output flags: */
5430#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5431
2c4f7f0e
DM		 5432/* to let user control profiling */
5433#ifdef PERL_GPROF_CONTROL
5434extern void moncontrol(int);
5435#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5436#else
5437#define PERL_GPROF_MONCONTROL(x)
5438#endif
5439
ae0e3d3b
JH		 5440#ifdef UNDER_CE
5441#include "wince.h"
5442#endif
5443
5444/* ISO 6429 NEL - C1 control NExt Line */
5445/* See http://www.unicode.org/unicode/reports/tr13/ */
5446#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5447# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5448# define NEXT_LINE_CHAR 0x15
5449# else /* CDRA */
5450# define NEXT_LINE_CHAR 0x25
5451# endif
5452#else
5453# define NEXT_LINE_CHAR 0x85
5454#endif
5455
5456/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5457#define UNICODE_LINE_SEPA_0 0xE2
5458#define UNICODE_LINE_SEPA_1 0x80
5459#define UNICODE_LINE_SEPA_2 0xA8
5460#define UNICODE_PARA_SEPA_0 0xE2
5461#define UNICODE_PARA_SEPA_1 0x80
5462#define UNICODE_PARA_SEPA_2 0xA9
5463
479b2847
GS		 5464#ifndef PIPESOCK_MODE
5465# define PIPESOCK_MODE
5466#endif
5467
460c8493
IZ		 5468#ifndef SOCKET_OPEN_MODE
5469# define SOCKET_OPEN_MODE PIPESOCK_MODE
5470#endif
5471
5472#ifndef PIPE_OPEN_MODE
5473# define PIPE_OPEN_MODE PIPESOCK_MODE
5474#endif
5475
7e8c5dac
HS		 5476#define PERL_MAGIC_UTF8_CACHESIZE 2
5477
a05d7ebb
JH		 5478#define PERL_UNICODE_STDIN_FLAG 0x0001
5479#define PERL_UNICODE_STDOUT_FLAG 0x0002
5480#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5481#define PERL_UNICODE_IN_FLAG 0x0008
5482#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5483#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5484#define PERL_UNICODE_LOCALE_FLAG 0x0040
5485#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5486#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5487
06e66572
JH		 5488#define PERL_UNICODE_STD_FLAG \
5489 (PERL_UNICODE_STDIN_FLAG | \
5490 PERL_UNICODE_STDOUT_FLAG | \
5491 PERL_UNICODE_STDERR_FLAG)
5492
5493#define PERL_UNICODE_INOUT_FLAG \
5494 (PERL_UNICODE_IN_FLAG | \
5495 PERL_UNICODE_OUT_FLAG)
5496
5497#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5498 (PERL_UNICODE_STD_FLAG | \
5499 PERL_UNICODE_INOUT_FLAG | \
5500 PERL_UNICODE_LOCALE_FLAG)
5501
5a22a2bb 5502#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5503
5504#define PERL_UNICODE_STDIN 'I'
5505#define PERL_UNICODE_STDOUT 'O'
5506#define PERL_UNICODE_STDERR 'E'
5507#define PERL_UNICODE_STD 'S'
5508#define PERL_UNICODE_IN 'i'
5509#define PERL_UNICODE_OUT 'o'
5510#define PERL_UNICODE_INOUT 'D'
5511#define PERL_UNICODE_ARGV 'A'
5512#define PERL_UNICODE_LOCALE 'L'
5513#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5514#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5515
4ffa73a3
JH		 5516#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5517
16bd9a85
JH		 5518/* From sigaction(2) (FreeBSD man page):
5519 * | Signal routines normally execute with the signal that
5520 * | caused their invocation blocked, but other signals may
5521 * | yet occur.
5522 * Emulation of this behavior (from within Perl) is enabled
5523 * by defining PERL_BLOCK_SIGNALS.
5524 */
5525#define PERL_BLOCK_SIGNALS
5526
5527#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5528# define PERL_BLOCKSIG_ADD(set,sig) \
5529 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5530# define PERL_BLOCKSIG_BLOCK(set) \
5531 sigprocmask(SIG_BLOCK, &(set), NULL)
5532# define PERL_BLOCKSIG_UNBLOCK(set) \
5533 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5534#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5535
5536/* How about the old style of sigblock()? */
5537
5538#ifndef PERL_BLOCKSIG_ADD
5539# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5540#endif
5541#ifndef PERL_BLOCKSIG_BLOCK
5542# define PERL_BLOCKSIG_BLOCK(set) NOOP
5543#endif
2bfba5f0 5544#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 5545# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5546#endif
5547
32fdb065 5548/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5549 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5550#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5551
3c0f78ca
JH		 5552#if defined(__DECC) && defined(__osf__)
5553#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5554#endif
5555
e4dba786
NC		 5556#define do_open(g, n, l, a, rm, rp, sf) \
5557 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5558#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5559# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5560#endif
15871fce
NC		 5561#ifdef OS2
5562# define do_aexec Perl_do_aexec
5563#else
5564# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5565#endif
e4dba786 5566
4d8076ea 5567/* and finally... */
cceca5ed 5568#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5569#include "patchlevel.h"
cceca5ed 5570#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5571
43999f95 5572/* Mention
d460ef45 5573
43999f95 5574 NV_PRESERVES_UV
fe749a9f 5575
fe749a9f
JH		 5576 HAS_MKSTEMP
5577 HAS_MKSTEMPS
5578 HAS_MKDTEMP
5579
49dabb45
JH		 5580 HAS_GETCWD
5581
d59b5429 5582 HAS_MMAP
fe749a9f
JH		 5583 HAS_MPROTECT
5584 HAS_MSYNC
1e8c3fde 5585 HAS_MADVISE
fe749a9f
JH		 5586 HAS_MUNMAP
5587 I_SYSMMAN
5588 Mmap_t
5589
6b4667fc
A		 5590 NVef
5591 NVff
5592 NVgf
5593
4e0554ec 5594 HAS_UALARM
2d736872 5595 HAS_USLEEP
4e0554ec
JH		 5596
5597 HAS_SETITIMER
5598 HAS_GETITIMER
5599
5600 HAS_SENDMSG
5601 HAS_RECVMSG
5602 HAS_READV
5603 HAS_WRITEV
5604 I_SYSUIO
5605 HAS_STRUCT_MSGHDR
5606 HAS_STRUCT_CMSGHDR
5607
2765b840 5608 HAS_NL_LANGINFO
0a7020c9 5609
ae0e3d3b 5610 HAS_DIRFD
2765b840 5611
43999f95
JH		 5612 so that Configure picks them up. */
5613
85e6fe83 5614#endif /* Include guard */
ae0e3d3b 5615
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