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Implement handling of state variables in list assignment
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
54ca4ee7 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
b0f06652
VK		 37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH		 51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS		 58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS		 62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
JH		 66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
27da23d5
JH		 72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
JH		 78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
026fd48b
GH		 84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
27da23d5
JH		 90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH		 97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 114# define USE_REENTRANT_API
115#endif
116
ac6bedea
JH		 117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH		 120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
27da23d5
JH		 130#ifdef PERL_GLOBAL_STRUCT
131# ifndef PERL_GET_VARS
132# ifdef PERL_GLOBAL_STRUCT_PRIVATE
133 extern struct perl_vars* Perl_GetVarsPrivate();
134# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
135# ifndef PERLIO_FUNCS_CONST
136# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
137# endif
138# else
139# define PERL_GET_VARS() PL_VarsPtr
140# endif
141# endif
142#endif
143
7a89be66 144#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 145
146#ifdef PERL_GLOBAL_STRUCT
147# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
148#else
149# define dVAR dNOOP
150#endif
151
c5be433b 152#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 153# ifndef MULTIPLICITY
154# define MULTIPLICITY
c5be433b 155# endif
e8dda941 156# define tTHX PerlInterpreter*
5ba4cab2 157# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 158# define aTHX my_perl
27da23d5 159# ifdef PERL_GLOBAL_STRUCT
e8dda941 160# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 161# else
e8dda941 162# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 163# endif
164# ifdef PERL_GLOBAL_STRUCT
165# define dTHX dVAR; pTHX = PERL_GET_THX
166# else
167# define dTHX pTHX = PERL_GET_THX
168# endif
c5be433b 169# define pTHX_ pTHX,
c5be433b 170# define aTHX_ aTHX,
4373e329 171# define pTHX_1 2
894356b3
GS		 172# define pTHX_2 3
173# define pTHX_3 4
174# define pTHX_4 5
4373e329
AL		 175# define pTHX_5 6
176# define pTHX_6 7
a3b680e6
AL		 177# define pTHX_7 8
178# define pTHX_8 9
179# define pTHX_9 10
e8dda941
JD		 180# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
181# define PERL_TRACK_MEMPOOL
182# endif
183#else
184# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 185#endif
186
76e3520e
GS		 187#define STATIC static
188#define CPERLscope(x) x
565764a8 189#define CPERLarg void
76e3520e 190#define CPERLarg_
e3b8966e 191#define _CPERLarg
1d583055
GS		 192#define PERL_OBJECT_THIS
193#define _PERL_OBJECT_THIS
194#define PERL_OBJECT_THIS_
312caa8e 195#define CALL_FPTR(fptr) (*fptr)
76e3520e 196
312caa8e
CS		 197#define CALLRUNOPS CALL_FPTR(PL_runops)
198#define CALLREGCOMP CALL_FPTR(PL_regcompp)
199#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 200#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
201#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
202#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 203
5ba4cab2
SH		 204/*
205 * Because of backward compatibility reasons the PERL_UNUSED_DECL
206 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
207 *
208 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 209 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 210 * marking unused variables (they need e.g. a #pragma) and therefore
211 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
212 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
213 *
214 */
1266ad8c 215
9969cdde 216#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 217# ifdef __cplusplus
5ba4cab2 218# define PERL_UNUSED_DECL
5b2bd0a5 219# else
5ba4cab2 220# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 221# endif
222#endif
44dbb695 223
5b2bd0a5 224#ifndef PERL_UNUSED_DECL
34659ad4 225# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 226# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 227# else
5ba4cab2 228# define PERL_UNUSED_DECL
b79c357a 229# endif
5b2bd0a5
AMS		 230#endif
231
349b520e
DM		 232/* gcc -Wall:
233 * for silencing unused variables that are actually used most of the time,
a0288114 234 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 235 */
53c1dcc0 236#ifndef PERL_UNUSED_ARG
c99ffe5e 237# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 238# include <note.h>
53c1dcc0 239# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 240# else
53c1dcc0 241# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 242# endif
243#endif
53c1dcc0
AL		 244#ifndef PERL_UNUSED_VAR
245# define PERL_UNUSED_VAR(x) ((void)x)
246#endif
ad73156c 247
96a5add6
AL		 248#ifdef USE_ITHREADS
249# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
250#else
251# define PERL_UNUSED_CONTEXT
252#endif
253
6f207bd3
AL		 254#define NOOP /*EMPTY*/(void)0
255#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
71be2cbc 256
0cb96387 257#ifndef pTHX
e8dda941
JD		 258/* Don't bother defining tTHX and sTHX; using them outside
259 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
260 */
0cb96387
GS		 261# define pTHX void
262# define pTHX_
0cb96387
GS		 263# define aTHX
264# define aTHX_
0cb96387
GS		 265# define dTHXa(a) dNOOP
266# define dTHX dNOOP
894356b3
GS		 267# define pTHX_1 1
268# define pTHX_2 2
269# define pTHX_3 3
270# define pTHX_4 4
3d42dc86
RGS		 271# define pTHX_5 5
272# define pTHX_6 6
a3b680e6
AL		 273# define pTHX_7 7
274# define pTHX_8 8
275# define pTHX_9 9
0cb96387
GS		 276#endif
277
27da23d5
JH		 278#ifndef dVAR
279# define dVAR dNOOP
280#endif
281
b4f7f263
GS		 282/* these are only defined for compatibility; should not be used internally */
283#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 284# define pTHXo pTHX
285# define pTHXo_ pTHX_
0cb96387
GS		 286# define aTHXo aTHX
287# define aTHXo_ aTHX_
c5be433b 288# define dTHXo dTHX
71d280e3 289# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 290#endif
291
292#ifndef pTHXx
293# define pTHXx register PerlInterpreter *my_perl
294# define pTHXx_ pTHXx,
0cb96387
GS		 295# define aTHXx my_perl
296# define aTHXx_ aTHXx,
c5be433b 297# define dTHXx dTHX
22c35a8c 298#endif
71be2cbc 299
1de7c2ac
GS		 300/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
301 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
302 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
303#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 304# ifdef PERL_GLOBAL_STRUCT_PRIVATE
305# define dTHXs dVAR; dTHX
306# else
307# define dTHXs dTHX
308# endif
1de7c2ac 309#else
27da23d5
JH		 310# ifdef PERL_GLOBAL_STRUCT_PRIVATE
311# define dTHXs dVAR
312# else
313# define dTHXs dNOOP
314# endif
1de7c2ac
GS		 315#endif
316
326b05e3
GS		 317#undef START_EXTERN_C
318#undef END_EXTERN_C
319#undef EXTERN_C
32f822de
GS		 320#ifdef __cplusplus
321# define START_EXTERN_C extern "C" {
322# define END_EXTERN_C }
323# define EXTERN_C extern "C"
324#else
d460ef45
NIS		 325# define START_EXTERN_C
326# define END_EXTERN_C
73c4f7a1 327# define EXTERN_C extern
32f822de
GS		 328#endif
329
27da23d5
JH		 330/* Some platforms require marking function declarations
331 * for them to be exportable. Used in perlio.h, proto.h
332 * is handled either by the makedef.pl or by defining the
333 * PERL_CALLCONV to be something special. See also the
334 * definition of XS() in XSUB.h. */
335#ifndef PERL_EXPORT_C
336# define PERL_EXPORT_C extern
337#endif
338#ifndef PERL_XS_EXPORT_C
339# define PERL_XS_EXPORT_C
340#endif
341
462e5cf6
MB		 342#ifdef OP_IN_REGISTER
343# ifdef __GNUC__
344# define stringify_immed(s) #s
345# define stringify(s) stringify_immed(s)
d1ca3daa 346register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 347# endif
348#endif
349
95b63a38 350#if defined(PERL_GCC_PEDANTIC)
5b692037 351# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 352# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
353# endif
5dc8bdac
JH		 354#endif
355
5b692037
JH		 356#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
357# ifndef PERL_USE_GCC_BRACE_GROUPS
358# define PERL_USE_GCC_BRACE_GROUPS
359# endif
360#endif
361
728e2803 362/*
363 * STMT_START { statements; } STMT_END;
364 * can be used as a single statement, as in
365 * if (x) STMT_START { ... } STMT_END; else ...
366 *
367 * Trying to select a version that gives no warnings...
368 */
369#if !(defined(STMT_START) && defined(STMT_END))
5b692037 370# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 371# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 372# define STMT_END )
373# else
374 /* Now which other defined()s do we need here ??? */
93189314 375# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 376# define STMT_START if (1)
377# define STMT_END else (void)0
378# else
379# define STMT_START do
380# define STMT_END while (0)
381# endif
382# endif
383#endif
384
0cb96387 385#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 386#define WITH_THR(s) WITH_THX(s)
ea0efc06 387
d6f9c181
JH		 388#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
389# define BYTEORDER 0x1234
79072805
LW		 390#endif
391
392/* Overall memory policy? */
393#ifndef CONSERVATIVE
394# define LIBERAL 1
395#endif
396
8ada0baa
JH		 397#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
398#define ASCIIish
399#else
400#undef ASCIIish
401#endif
402
79072805
LW		 403/*
404 * The following contortions are brought to you on behalf of all the
405 * standards, semi-standards, de facto standards, not-so-de-facto standards
406 * of the world, as well as all the other botches anyone ever thought of.
407 * The basic theory is that if we work hard enough here, the rest of the
408 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
409 */
ac58e20f 410
ee0007ab 411/* define this once if either system, instead of cluttering up the src */
2986a63f 412#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 413#define DOSISH 1
414#endif
415
fb38d079 416#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 417# define STANDARD_C 1
418#endif
419
9969cdde 420#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 421# define DONT_DECLARE_STD 1
422#endif
423
352d5a3a 424#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 425# ifdef __cplusplus
cb69f87a 426# define VOL /* to temporarily suppress warnings */
79072805
LW		 427# else
428# define VOL volatile
429# endif
663a0e37 430#else
79072805 431# define VOL
663a0e37
LW		 432#endif
433
3280af22
NIS		 434#define TAINT (PL_tainted = TRUE)
435#define TAINT_NOT (PL_tainted = FALSE)
436#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
437#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 438#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 439
d460ef45 440/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 441 defines move there? If so, I could simplify this a lot. --AD 9/96.
442*/
443/* Process group stuff changed from traditional BSD to POSIX.
444 perlfunc.pod documents the traditional BSD-style syntax, so we'll
445 try to preserve that, if possible.
446*/
447#ifdef HAS_SETPGID
448# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 449#else
a6e633de 450# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
451# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
452# else
453# ifdef HAS_SETPGRP2 /* DG/UX */
454# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
455# endif
456# endif
457#endif
458#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
459# define HAS_SETPGRP /* Well, effectively it does . . . */
460#endif
461
462/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
463 our life easier :-) so we'll try it.
464*/
465#ifdef HAS_GETPGID
466# define BSD_GETPGRP(pid) getpgid((pid))
467#else
468# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
469# define BSD_GETPGRP(pid) getpgrp((pid))
470# else
471# ifdef HAS_GETPGRP2 /* DG/UX */
472# define BSD_GETPGRP(pid) getpgrp2((pid))
473# endif
474# endif
475#endif
476#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
477# define HAS_GETPGRP /* Well, effectively it does . . . */
478#endif
479
d460ef45 480/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 481 have different behaviors, but perl.h used to define USE_BSDPGRP
482 (prior to 5.003_05) so some extension might depend on it.
483*/
484#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
485# ifndef USE_BSDPGRP
486# define USE_BSDPGRP
487# endif
663a0e37
LW		 488#endif
489
8ac5a1fe
MH		 490/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
491 pthread.h must be included before all other header files.
492*/
3db8f154 493#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 494# include <pthread.h>
495#endif
496
760ac839
LW		 497#ifndef _TYPES_ /* If types.h defines this it's easy. */
498# ifndef major /* Does everyone's types.h define this? */
499# include <sys/types.h>
c07a80fd 500# endif
663a0e37
LW		 501#endif
502
760ac839
LW		 503#ifdef __cplusplus
504# ifndef I_STDARG
505# define I_STDARG 1
506# endif
507#endif
508
509#ifdef I_STDARG
510# include <stdarg.h>
511#else
512# ifdef I_VARARGS
513# include <varargs.h>
514# endif
515#endif
516
4633a7c4 517#ifdef USE_NEXT_CTYPE
0c30d9ec 518
092bebab
JH		 519#if NX_CURRENT_COMPILER_RELEASE >= 500
520# include <bsd/ctypes.h>
521#else
522# if NX_CURRENT_COMPILER_RELEASE >= 400
523# include <objc/NXCType.h>
524# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
525# include <appkit/NXCType.h>
526# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
527#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 528
529#else /* !USE_NEXT_CTYPE */
fe14fcc3 530#include <ctype.h>
0c30d9ec 531#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 532
533#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
534#undef METHOD
a0d0e21e
LW		 535#endif
536
12ae5dfc
JH		 537#ifdef PERL_MICRO
538# define NO_LOCALE
539#endif
540
4633a7c4 541#ifdef I_LOCALE
36477c24 542# include <locale.h>
4633a7c4
LW		 543#endif
544
36477c24 545#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
546# define USE_LOCALE
547# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
548 && defined(HAS_STRXFRM)
549# define USE_LOCALE_COLLATE
550# endif
551# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
552# define USE_LOCALE_CTYPE
553# endif
554# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
555# define USE_LOCALE_NUMERIC
556# endif
557#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 558
fe14fcc3 559#include <setjmp.h>
79072805 560
a0d0e21e 561#ifdef I_SYS_PARAM
79072805
LW		 562# ifdef PARAM_NEEDS_TYPES
563# include <sys/types.h>
564# endif
565# include <sys/param.h>
352d5a3a 566#endif
79072805 567
79072805 568/* Use all the "standard" definitions? */
a0d0e21e 569#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 570# include <stdlib.h>
ff68c719 571#endif
03a14243 572
3f270f98
JH		 573/* If this causes problems, set i_unistd=undef in the hint file. */
574#ifdef I_UNISTD
575# include <unistd.h>
576#endif
577
9969cdde 578#ifdef __SYMBIAN32__
27da23d5
JH		 579# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
580#endif
581
7114a2d2 582#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 583int syscall(int, ...);
584#endif
585
7114a2d2 586#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 587int usleep(unsigned int);
2ef53570
JH		 588#endif
589
9a34ef1d
GS		 590#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
591# define MYSWAP
592#endif
593
1109a392
MHM		 594#ifdef PERL_CORE
595
596/* macros for correct constant construction */
597# if INTSIZE >= 2
598# define U16_CONST(x) ((U16)x##U)
599# else
600# define U16_CONST(x) ((U16)x##UL)
601# endif
602
603# if INTSIZE >= 4
604# define U32_CONST(x) ((U32)x##U)
605# else
606# define U32_CONST(x) ((U32)x##UL)
607# endif
608
609# ifdef HAS_QUAD
610# if INTSIZE >= 8
611# define U64_CONST(x) ((U64)x##U)
612# elif LONGSIZE >= 8
613# define U64_CONST(x) ((U64)x##UL)
614# elif QUADKIND == QUAD_IS_LONG_LONG
615# define U64_CONST(x) ((U64)x##ULL)
616# else /* best guess we can make */
617# define U64_CONST(x) ((U64)x##UL)
618# endif
619# endif
620
621/* byte-swapping functions for big-/little-endian conversion */
622# define _swab_16_(x) ((U16)( \
623 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
624 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
625
626# define _swab_32_(x) ((U32)( \
627 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
628 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
629 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
630 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
631
632# ifdef HAS_QUAD
633# define _swab_64_(x) ((U64)( \
634 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
635 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
636 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
637 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
638 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
639 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
640 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
641 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
642# endif
643
644/*----------------------------------------------------------------------------*/
645# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
646/*----------------------------------------------------------------------------*/
647# define my_htole16(x) (x)
648# define my_letoh16(x) (x)
649# define my_htole32(x) (x)
650# define my_letoh32(x) (x)
651# define my_htobe16(x) _swab_16_(x)
652# define my_betoh16(x) _swab_16_(x)
653# define my_htobe32(x) _swab_32_(x)
654# define my_betoh32(x) _swab_32_(x)
655# ifdef HAS_QUAD
656# define my_htole64(x) (x)
657# define my_letoh64(x) (x)
658# define my_htobe64(x) _swab_64_(x)
659# define my_betoh64(x) _swab_64_(x)
660# endif
661# define my_htoles(x) (x)
662# define my_letohs(x) (x)
663# define my_htolei(x) (x)
664# define my_letohi(x) (x)
665# define my_htolel(x) (x)
666# define my_letohl(x) (x)
667# if SHORTSIZE == 1
668# define my_htobes(x) (x)
669# define my_betohs(x) (x)
670# elif SHORTSIZE == 2
671# define my_htobes(x) _swab_16_(x)
672# define my_betohs(x) _swab_16_(x)
673# elif SHORTSIZE == 4
674# define my_htobes(x) _swab_32_(x)
675# define my_betohs(x) _swab_32_(x)
676# elif SHORTSIZE == 8
677# define my_htobes(x) _swab_64_(x)
678# define my_betohs(x) _swab_64_(x)
679# else
680# define PERL_NEED_MY_HTOBES
681# define PERL_NEED_MY_BETOHS
682# endif
683# if INTSIZE == 1
684# define my_htobei(x) (x)
685# define my_betohi(x) (x)
686# elif INTSIZE == 2
687# define my_htobei(x) _swab_16_(x)
688# define my_betohi(x) _swab_16_(x)
689# elif INTSIZE == 4
690# define my_htobei(x) _swab_32_(x)
691# define my_betohi(x) _swab_32_(x)
692# elif INTSIZE == 8
693# define my_htobei(x) _swab_64_(x)
694# define my_betohi(x) _swab_64_(x)
695# else
696# define PERL_NEED_MY_HTOBEI
697# define PERL_NEED_MY_BETOHI
698# endif
699# if LONGSIZE == 1
700# define my_htobel(x) (x)
701# define my_betohl(x) (x)
702# elif LONGSIZE == 2
703# define my_htobel(x) _swab_16_(x)
704# define my_betohl(x) _swab_16_(x)
705# elif LONGSIZE == 4
706# define my_htobel(x) _swab_32_(x)
707# define my_betohl(x) _swab_32_(x)
708# elif LONGSIZE == 8
709# define my_htobel(x) _swab_64_(x)
710# define my_betohl(x) _swab_64_(x)
711# else
712# define PERL_NEED_MY_HTOBEL
713# define PERL_NEED_MY_BETOHL
714# endif
715# define my_htolen(p,n) NOOP
716# define my_letohn(p,n) NOOP
717# define my_htoben(p,n) my_swabn(p,n)
718# define my_betohn(p,n) my_swabn(p,n)
719/*----------------------------------------------------------------------------*/
720# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
721/*----------------------------------------------------------------------------*/
722# define my_htobe16(x) (x)
723# define my_betoh16(x) (x)
724# define my_htobe32(x) (x)
725# define my_betoh32(x) (x)
726# define my_htole16(x) _swab_16_(x)
727# define my_letoh16(x) _swab_16_(x)
728# define my_htole32(x) _swab_32_(x)
729# define my_letoh32(x) _swab_32_(x)
730# ifdef HAS_QUAD
731# define my_htobe64(x) (x)
732# define my_betoh64(x) (x)
733# define my_htole64(x) _swab_64_(x)
734# define my_letoh64(x) _swab_64_(x)
735# endif
736# define my_htobes(x) (x)
737# define my_betohs(x) (x)
738# define my_htobei(x) (x)
739# define my_betohi(x) (x)
740# define my_htobel(x) (x)
741# define my_betohl(x) (x)
742# if SHORTSIZE == 1
743# define my_htoles(x) (x)
744# define my_letohs(x) (x)
745# elif SHORTSIZE == 2
746# define my_htoles(x) _swab_16_(x)
747# define my_letohs(x) _swab_16_(x)
748# elif SHORTSIZE == 4
749# define my_htoles(x) _swab_32_(x)
750# define my_letohs(x) _swab_32_(x)
751# elif SHORTSIZE == 8
752# define my_htoles(x) _swab_64_(x)
753# define my_letohs(x) _swab_64_(x)
754# else
755# define PERL_NEED_MY_HTOLES
756# define PERL_NEED_MY_LETOHS
757# endif
758# if INTSIZE == 1
759# define my_htolei(x) (x)
760# define my_letohi(x) (x)
761# elif INTSIZE == 2
762# define my_htolei(x) _swab_16_(x)
763# define my_letohi(x) _swab_16_(x)
764# elif INTSIZE == 4
765# define my_htolei(x) _swab_32_(x)
766# define my_letohi(x) _swab_32_(x)
767# elif INTSIZE == 8
768# define my_htolei(x) _swab_64_(x)
769# define my_letohi(x) _swab_64_(x)
770# else
771# define PERL_NEED_MY_HTOLEI
772# define PERL_NEED_MY_LETOHI
773# endif
774# if LONGSIZE == 1
775# define my_htolel(x) (x)
776# define my_letohl(x) (x)
777# elif LONGSIZE == 2
778# define my_htolel(x) _swab_16_(x)
779# define my_letohl(x) _swab_16_(x)
780# elif LONGSIZE == 4
781# define my_htolel(x) _swab_32_(x)
782# define my_letohl(x) _swab_32_(x)
783# elif LONGSIZE == 8
784# define my_htolel(x) _swab_64_(x)
785# define my_letohl(x) _swab_64_(x)
786# else
787# define PERL_NEED_MY_HTOLEL
788# define PERL_NEED_MY_LETOHL
789# endif
790# define my_htolen(p,n) my_swabn(p,n)
791# define my_letohn(p,n) my_swabn(p,n)
792# define my_htoben(p,n) NOOP
793# define my_betohn(p,n) NOOP
794/*----------------------------------------------------------------------------*/
795# else /* all other byte-orders */
796/*----------------------------------------------------------------------------*/
797# define PERL_NEED_MY_HTOLE16
798# define PERL_NEED_MY_LETOH16
799# define PERL_NEED_MY_HTOBE16
800# define PERL_NEED_MY_BETOH16
801# define PERL_NEED_MY_HTOLE32
802# define PERL_NEED_MY_LETOH32
803# define PERL_NEED_MY_HTOBE32
804# define PERL_NEED_MY_BETOH32
805# ifdef HAS_QUAD
806# define PERL_NEED_MY_HTOLE64
807# define PERL_NEED_MY_LETOH64
808# define PERL_NEED_MY_HTOBE64
809# define PERL_NEED_MY_BETOH64
810# endif
811# define PERL_NEED_MY_HTOLES
812# define PERL_NEED_MY_LETOHS
813# define PERL_NEED_MY_HTOBES
814# define PERL_NEED_MY_BETOHS
815# define PERL_NEED_MY_HTOLEI
816# define PERL_NEED_MY_LETOHI
817# define PERL_NEED_MY_HTOBEI
818# define PERL_NEED_MY_BETOHI
819# define PERL_NEED_MY_HTOLEL
820# define PERL_NEED_MY_LETOHL
821# define PERL_NEED_MY_HTOBEL
822# define PERL_NEED_MY_BETOHL
823/*----------------------------------------------------------------------------*/
824# endif /* end of byte-order macros */
825/*----------------------------------------------------------------------------*/
826
9c17f24a
NC		 827/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
828 at least on FreeBSD. YMMV, so experiment. */
829#ifndef PERL_ARENA_SIZE
830#define PERL_ARENA_SIZE 4080
831#endif
832
1109a392
MHM		 833#endif /* PERL_CORE */
834
bdf3085f
NC		 835/* We no longer default to creating a new SV for GvSV.
836 Do this before embed. */
837#ifndef PERL_CREATE_GVSV
7459f06b
NC		 838# ifndef PERL_DONT_CREATE_GVSV
839# define PERL_DONT_CREATE_GVSV
840# endif
bdf3085f
NC		 841#endif
842
ca0c25f6
NC		 843#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
844#define PERL_USES_PL_PIDSTATUS
845#endif
846
a62746fa
RGS		 847#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
848#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
849#endif
850
66a93824
NIS		 851/* Cannot include embed.h here on Win32 as win32.h has not
852 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
853 */
96e176bf 854#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 855# include "embed.h"
eb8433b7
NC		 856# ifndef PERL_MAD
857# undef op_getmad
b3f24c00 858# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 859# endif
cea2e8a9
GS		 860#endif
861
c31fac66
GS		 862#define MEM_SIZE Size_t
863
1936d2a7
NC		 864/* Round all values passed to malloc up, by default to a multiple of
865 sizeof(size_t)
866*/
867#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
868#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
869#endif
870
51371543
GS		 871#if defined(STANDARD_C) && defined(I_STDDEF)
872# include <stddef.h>
873# define STRUCT_OFFSET(s,m) offsetof(s,m)
874#else
875# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
876#endif
877
9969cdde 878#ifndef __SYMBIAN32__
27da23d5
JH		 879# if defined(I_STRING) || defined(__cplusplus)
880# include <string.h>
881# else
882# include <strings.h>
883# endif
51371543
GS		 884#endif
885
55497cff 886/* This comes after <stdlib.h> so we don't try to change the standard
887 * library prototypes; we'll use our own in proto.h instead. */
03a14243 888
4633a7c4 889#ifdef MYMALLOC
86058a2d 890# ifdef PERL_POLLUTE_MALLOC
ee13e175 891# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 892# define Perl_malloc malloc
893# define Perl_calloc calloc
894# define Perl_realloc realloc
895# define Perl_mfree free
ee13e175 896# endif
86058a2d
GS		 897# else
898# define EMBEDMYMALLOC /* for compatibility */
899# endif
827e134a 900
651b9576
GS		 901# define safemalloc Perl_malloc
902# define safecalloc Perl_calloc
903# define saferealloc Perl_realloc
904# define safefree Perl_mfree
22f7c9c9
JH		 905# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
906 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
907 code; \
908 } STMT_END
909# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
910 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
911# define panic_write2(s) write(2, s, strlen(s))
912# define CHECK_MALLOC_TAINT(newval) \
913 CHECK_MALLOC_TOO_LATE_FOR_( \
914 if (newval) { \
915 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
916 exit(1); })
22f7c9c9 917# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 918 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 919 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
920 }} STMT_END;
f2517201
GS		 921#else /* MYMALLOC */
922# define safemalloc safesysmalloc
923# define safecalloc safesyscalloc
924# define saferealloc safesysrealloc
925# define safefree safesysfree
22f7c9c9
JH		 926# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
927# define CHECK_MALLOC_TAINT(newval) ((void)0)
928# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 929#endif /* MYMALLOC */
4633a7c4 930
27da23d5 931#define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
22f7c9c9
JH		 932#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
933#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
934#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
935
a0d0e21e
LW		 936#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
937#define strchr index
938#define strrchr rindex
939#endif
940
16d20bd9
AD		 941#ifdef I_MEMORY
942# include <memory.h>
943#endif
944
fe14fcc3 945#ifdef HAS_MEMCPY
85e6fe83 946# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 947# ifndef memcpy
20ce7b12 948 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 949# endif
950# endif
951#else
952# ifndef memcpy
953# ifdef HAS_BCOPY
954# define memcpy(d,s,l) bcopy(s,d,l)
955# else
956# define memcpy(d,s,l) my_bcopy(s,d,l)
957# endif
958# endif
959#endif /* HAS_MEMCPY */
fe14fcc3 960
ee0007ab 961#ifdef HAS_MEMSET
85e6fe83 962# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 963# ifndef memset
20ce7b12 964 extern char *memset (char*, int, int);
ee0007ab
LW		 965# endif
966# endif
ee0007ab 967#else
12ae5dfc 968# undef memset
fc36a67e 969# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 970#endif /* HAS_MEMSET */
971
85e6fe83 972#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 973# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 974# define memmove(d,s,l) bcopy(s,d,l)
975# else
2304df62 976# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 977# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 978# else
79072805 979# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 980# endif
352d5a3a 981# endif
d9d8d8de 982#endif
ee0007ab 983
36477c24 984#if defined(mips) && defined(ultrix) && !defined(__STDC__)
985# undef HAS_MEMCMP
986#endif
987
988#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 989# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 990# ifndef memcmp
20ce7b12 991 extern int memcmp (char*, char*, int);
ee0007ab
LW		 992# endif
993# endif
36477c24 994# ifdef BUGGY_MSC
7e4e8c89 995# pragma function(memcmp)
36477c24 996# endif
ee0007ab
LW		 997#else
998# ifndef memcmp
ecfc5424 999# define memcmp my_memcmp
352d5a3a 1000# endif
36477c24 1001#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1002
fc36a67e 1003#ifndef memzero
c635e13b 1004# ifdef HAS_MEMSET
1005# define memzero(d,l) memset(d,0,l)
79072805 1006# else
c635e13b 1007# ifdef HAS_BZERO
1008# define memzero(d,l) bzero(d,l)
79072805 1009# else
fc36a67e 1010# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1011# endif
1012# endif
d9d8d8de 1013#endif
378cc40b 1014
2f42fcb0 1015#ifndef PERL_MICRO
0f27ced1
JH		 1016#ifndef memchr
1017# ifndef HAS_MEMCHR
1018# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1019# endif
1020#endif
2f42fcb0 1021#endif
0f27ced1 1022
36477c24 1023#ifndef HAS_BCMP
1024# ifndef bcmp
1025# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1026# endif
36477c24 1027#endif /* !HAS_BCMP */
378cc40b 1028
ae986130 1029#ifdef I_NETINET_IN
79072805 1030# include <netinet/in.h>
ae986130
LW		 1031#endif
1032
28e8609d
JH		 1033#ifdef I_ARPA_INET
1034# include <arpa/inet.h>
1035#endif
1036
84902520
TB		 1037#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1038/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1039 * (the neo-BSD seem to do this). */
1040# undef SF_APPEND
1041#endif
1042
1aef975c 1043#ifdef I_SYS_STAT
84902520 1044# include <sys/stat.h>
1aef975c 1045#endif
79072805 1046
a0d0e21e
LW		 1047/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1048 like UTekV) are broken, sometimes giving false positives. Undefine
1049 them here and let the code below set them to proper values.
1050
1051 The ghs macro stands for GreenHills Software C-1.8.5 which
1052 is the C compiler for sysV88 and the various derivatives.
1053 This header file bug is corrected in gcc-2.5.8 and later versions.
1054 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1055
1056#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1057# undef S_ISDIR
1058# undef S_ISCHR
1059# undef S_ISBLK
1060# undef S_ISREG
1061# undef S_ISFIFO
1062# undef S_ISLNK
ee0007ab 1063#endif
135863df 1064
663a0e37
LW		 1065#ifdef I_TIME
1066# include <time.h>
ffed7fef 1067#endif
663a0e37 1068
fe14fcc3 1069#ifdef I_SYS_TIME
85e6fe83 1070# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1071# define KERNEL
1072# endif
1073# include <sys/time.h>
85e6fe83 1074# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1075# undef KERNEL
1076# endif
a687059c 1077#endif
135863df 1078
55497cff 1079#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1080# include <sys/times.h>
d9d8d8de 1081#endif
8d063cd8 1082
fe14fcc3 1083#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1084# undef HAS_STRERROR
663a0e37
LW		 1085#endif
1086
1087#include <errno.h>
1e743fda 1088
acfe0abc 1089#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1090# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1091#endif
1092
8cfab5ff
JH		 1093/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1094 * This is important for using IPv6.
1095 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1096 * a bad idea since it breaks send() and recv(). */
1097#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1098# define _SOCKADDR_LEN
1099#endif
1100
8d3f517a 1101#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1102# include <sys/socket.h>
1103# if defined(USE_SOCKS) && defined(I_SOCKS)
1104# if !defined(INCLUDE_PROTOTYPES)
1105# define INCLUDE_PROTOTYPES /* for <socks.h> */
1106# define PERL_SOCKS_NEED_PROTOTYPES
1107# endif
1108# include <socks.h>
1109# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1110# undef INCLUDE_PROTOTYPES
1111# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1112# endif
d460ef45 1113# endif
1e743fda 1114# ifdef I_NETDB
2986a63f
JH		 1115# ifdef NETWARE
1116# include<stdio.h>
1117# endif
1e743fda
JH		 1118# include <netdb.h>
1119# endif
1120# ifndef ENOTSOCK
1121# ifdef I_NET_ERRNO
1122# include <net/errno.h>
1123# endif
1124# endif
1125#endif
1126
fa0a29af 1127/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1128 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1129 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1130#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1131# if defined(__THROW) && defined(__GLIBC__)
1132int sockatmark(int) __THROW;
1133# else
2ef53570 1134int sockatmark(int);
29820b6d 1135# endif
2ef53570
JH		 1136#endif
1137
1e743fda
JH		 1138#ifdef SETERRNO
1139# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1140#endif
f86702cc 1141
1142#ifdef VMS
1143# define SETERRNO(errcode,vmserrcode) \
1144 STMT_START { \
1145 set_errno(errcode); \
1146 set_vaxc_errno(vmserrcode); \
1147 } STMT_END
93189314
JH		 1148# define LIB_INVARG LIB$_INVARG
1149# define RMS_DIR RMS$_DIR
1150# define RMS_FAC RMS$_FAC
1151# define RMS_FEX RMS$_FEX
1152# define RMS_FNF RMS$_FNF
1153# define RMS_IFI RMS$_IFI
1154# define RMS_ISI RMS$_ISI
1155# define RMS_PRV RMS$_PRV
1156# define SS_ACCVIO SS$_ACCVIO
1157# define SS_DEVOFFLINE SS$_DEVOFFLINE
1158# define SS_IVCHAN SS$_IVCHAN
1159# define SS_NORMAL SS$_NORMAL
748a9306 1160#else
aba27d88 1161# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1162# define LIB_INVARG 0
1163# define RMS_DIR 0
1164# define RMS_FAC 0
1165# define RMS_FEX 0
1166# define RMS_FNF 0
1167# define RMS_IFI 0
1168# define RMS_ISI 0
1169# define RMS_PRV 0
1170# define SS_ACCVIO 0
1171# define SS_DEVOFFLINE 0
1172# define SS_IVCHAN 0
1173# define SS_NORMAL 0
748a9306 1174#endif
ed6116ce 1175
3db8f154 1176#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1177/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1178#define DEFSV GvSVn(PL_defgv)
3db8f154 1179#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1180
98eae8f5
GS		 1181#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1182
55497cff 1183#ifndef errno
5ff3f7a4
GS		 1184 extern int errno; /* ANSI allows errno to be an lvalue expr.
1185 * For example in multithreaded environments
1186 * something like this might happen:
1187 * extern int *_errno(void);
1188 * #define errno (*_errno()) */
d9d8d8de 1189#endif
663a0e37 1190
2304df62 1191#ifdef HAS_STRERROR
a0d0e21e 1192# ifdef VMS
20ce7b12 1193 char *strerror (int,...);
a0d0e21e 1194# else
68dc0745 1195#ifndef DONT_DECLARE_STD
20ce7b12 1196 char *strerror (int);
68dc0745 1197#endif
a0d0e21e 1198# endif
2304df62
AD		 1199# ifndef Strerror
1200# define Strerror strerror
1201# endif
1202#else
1203# ifdef HAS_SYS_ERRLIST
79072805
LW		 1204 extern int sys_nerr;
1205 extern char *sys_errlist[];
2304df62
AD		 1206# ifndef Strerror
1207# define Strerror(e) \
79072805 1208 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1209# endif
79072805 1210# endif
35c8bce7 1211#endif
663a0e37 1212
2304df62 1213#ifdef I_SYS_IOCTL
79072805
LW		 1214# ifndef _IOCTL_
1215# include <sys/ioctl.h>
1216# endif
a687059c
LW		 1217#endif
1218
ee0007ab 1219#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1220# ifdef HAS_SOCKETPAIR
1221# undef HAS_SOCKETPAIR
1222# endif
2304df62
AD		 1223# ifdef I_NDBM
1224# undef I_NDBM
79072805 1225# endif
a687059c
LW		 1226#endif
1227
02fc2eee
NC		 1228#ifndef HAS_SOCKETPAIR
1229# ifdef HAS_SOCKET
1230# define socketpair Perl_my_socketpair
1231# endif
1232#endif
1233
a687059c 1234#if INTSIZE == 2
79072805
LW		 1235# define htoni htons
1236# define ntohi ntohs
a687059c 1237#else
79072805
LW		 1238# define htoni htonl
1239# define ntohi ntohl
a687059c
LW		 1240#endif
1241
a0d0e21e 1242/* Configure already sets Direntry_t */
35c8bce7 1243#if defined(I_DIRENT)
663a0e37 1244# include <dirent.h>
8f1f23e8
W		 1245 /* NeXT needs dirent + sys/dir.h */
1246# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1247# include <sys/dir.h>
1248# endif
ae986130 1249#else
fe14fcc3 1250# ifdef I_SYS_NDIR
79a0689e 1251# include <sys/ndir.h>
663a0e37 1252# else
fe14fcc3 1253# ifdef I_SYS_DIR
79a0689e
LW		 1254# ifdef hp9000s500
1255# include <ndir.h> /* may be wrong in the future */
1256# else
1257# include <sys/dir.h>
1258# endif
663a0e37
LW		 1259# endif
1260# endif
4633a7c4 1261#endif
a687059c 1262
12ae5dfc
JH		 1263#ifdef PERL_MICRO
1264# ifndef DIR
1265# define DIR void
1266# endif
1267#endif
1268
352d5a3a
LW		 1269#ifdef FPUTS_BOTCH
1270/* work around botch in SunOS 4.0.1 and 4.0.2 */
1271# ifndef fputs
79072805 1272# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1273# endif
1274#endif
1275
c623bd54
LW		 1276/*
1277 * The following gobbledygook brought to you on behalf of __STDC__.
1278 * (I could just use #ifndef __STDC__, but this is more bulletproof
1279 * in the face of half-implementations.)
1280 */
1281
7114a2d2 1282#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1283#include <sys/mode.h>
1284#endif
1285
c623bd54
LW		 1286#ifndef S_IFMT
1287# ifdef _S_IFMT
1288# define S_IFMT _S_IFMT
1289# else
1290# define S_IFMT 0170000
1291# endif
1292#endif
1293
1294#ifndef S_ISDIR
1295# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1296#endif
1297
1298#ifndef S_ISCHR
1299# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1300#endif
1301
1302#ifndef S_ISBLK
fe14fcc3
LW		 1303# ifdef S_IFBLK
1304# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1305# else
1306# define S_ISBLK(m) (0)
1307# endif
c623bd54
LW		 1308#endif
1309
1310#ifndef S_ISREG
1311# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1312#endif
1313
1314#ifndef S_ISFIFO
fe14fcc3
LW		 1315# ifdef S_IFIFO
1316# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1317# else
1318# define S_ISFIFO(m) (0)
1319# endif
c623bd54
LW		 1320#endif
1321
1322#ifndef S_ISLNK
1323# ifdef _S_ISLNK
1324# define S_ISLNK(m) _S_ISLNK(m)
1325# else
1326# ifdef _S_IFLNK
1327# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1328# else
1329# ifdef S_IFLNK
1330# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1331# else
1332# define S_ISLNK(m) (0)
1333# endif
1334# endif
1335# endif
1336#endif
1337
1338#ifndef S_ISSOCK
1339# ifdef _S_ISSOCK
1340# define S_ISSOCK(m) _S_ISSOCK(m)
1341# else
1342# ifdef _S_IFSOCK
1343# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1344# else
1345# ifdef S_IFSOCK
1346# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1347# else
1348# define S_ISSOCK(m) (0)
1349# endif
1350# endif
1351# endif
1352#endif
1353
1354#ifndef S_IRUSR
1355# ifdef S_IREAD
1356# define S_IRUSR S_IREAD
1357# define S_IWUSR S_IWRITE
1358# define S_IXUSR S_IEXEC
1359# else
1360# define S_IRUSR 0400
1361# define S_IWUSR 0200
1362# define S_IXUSR 0100
1363# endif
fac7cdfc
JS		 1364#endif
1365
1366#ifndef S_IRGRP
1367# ifdef S_IRUSR
1368# define S_IRGRP (S_IRUSR>>3)
1369# define S_IWGRP (S_IWUSR>>3)
1370# define S_IXGRP (S_IXUSR>>3)
1371# else
1372# define S_IRGRP 0040
1373# define S_IWGRP 0020
1374# define S_IXGRP 0010
1375# endif
1376#endif
1377
1378#ifndef S_IROTH
1379# ifdef S_IRUSR
1380# define S_IROTH (S_IRUSR>>6)
1381# define S_IWOTH (S_IWUSR>>6)
1382# define S_IXOTH (S_IXUSR>>6)
1383# else
1384# define S_IROTH 0040
1385# define S_IWOTH 0020
1386# define S_IXOTH 0010
1387# endif
c623bd54
LW		 1388#endif
1389
1390#ifndef S_ISUID
1391# define S_ISUID 04000
1392#endif
1393
1394#ifndef S_ISGID
1395# define S_ISGID 02000
1396#endif
1397
ca6e1c26
JH		 1398#ifndef S_IRWXU
1399# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1400#endif
ca6e1c26
JH		 1401
1402#ifndef S_IRWXG
1403# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1404#endif
ca6e1c26
JH		 1405
1406#ifndef S_IRWXO
1407# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1408#endif
ca6e1c26 1409
c21fb2b8
JH		 1410/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1411 * which would get included through <sys/file.h >, but that is 3000
1412 * lines in the future. --jhi */
1413
1414#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1415# define S_IREAD S_IRUSR
1416#endif
1417
c21fb2b8 1418#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1419# define S_IWRITE S_IWUSR
1420#endif
1421
1422#ifndef S_IEXEC
1423# define S_IEXEC S_IXUSR
1424#endif
1425
79072805
LW		 1426#ifdef ff_next
1427# undef ff_next
352d5a3a
LW		 1428#endif
1429
a0d0e21e 1430#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1431# define SLOPPYDIVIDE
1432#endif
1433
748a9306
LW		 1434#ifdef UV
1435#undef UV
1436#endif
1437
c89df6bf
JH		 1438#ifdef SPRINTF_E_BUG
1439# define sprintf UTS_sprintf_wrap
1440#endif
1441
ce582cee
NC		 1442/* For the times when you want the return value of sprintf, and you want it
1443 to be the length. Can't have a thread variable passed in, because C89 has
1444 no varargs macros.
1445*/
1446#ifdef SPRINTF_RETURNS_STRLEN
1447# define my_sprintf sprintf
1448#else
1449# define my_sprintf Perl_my_sprintf
1450#endif
1451
5b692037
JH		 1452/*
1453 * If we have v?snprintf() and the C99 variadic macros, we can just
1454 * use just the v?snprintf(). It is nice to try to trap the buffer
1455 * overflow, however, so if we are DEBUGGING, and we cannot use the
1456 * gcc brace groups, then use the function wrappers which try to trap
1457 * the overflow. If we can use the gcc brace groups, we can try that
1458 * even with the version that uses the C99 variadic macros.
1459 */
1460
1208b3dd
JH		 1461/* Note that we do not check against snprintf()/vsnprintf() returning
1462 * negative values because that is non-standard behaviour and we use
1463 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1464 * that should be true only if the snprintf()/vsnprintf() are true
1465 * to the standard. */
1466
1467#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS))
5b692037 1468# ifdef PERL_USE_GCC_BRACE_GROUPS
625dac9d 1469# define my_snprintf(buffer, len, ...) ({ int __len__ = snprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak(aTHX_ "panic: snprintf buffer overflow"); __len__; })
1208b3dd 1470# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1471# else
1472# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1473# endif
1474#else
1475# define my_snprintf Perl_my_snprintf
1208b3dd 1476# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1477#endif
1478
1208b3dd 1479#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS))
5b692037 1480# ifdef PERL_USE_GCC_BRACE_GROUPS
625dac9d 1481# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak(aTHX_ "panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1482# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1483# else
1484# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1485# endif
1486#else
1487# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1488# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1489#endif
d9fad198 1490
c495e728
JH		 1491/* Configure gets this right but the UTS compiler gets it wrong.
1492 -- Hal Morris <hom00@utsglobal.com> */
1493#ifdef UTS
1494# undef UVTYPE
1495# define UVTYPE unsigned
1496#endif
1497
05f13f53 1498/*
27d4fb96 1499 The IV type is supposed to be long enough to hold any integral
1500 value or a pointer.
1501 --Andy Dougherty August 1996
1502*/
1503
a22e52b9
JH		 1504typedef IVTYPE IV;
1505typedef UVTYPE UV;
8175356b 1506
10cc9d2a 1507#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1508# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1509# define IV_MAX INT64_MAX
1510# define IV_MIN INT64_MIN
1511# define UV_MAX UINT64_MAX
cae7ae48
JH		 1512# ifndef UINT64_MIN
1513# define UINT64_MIN 0
1514# endif
5ff3f7a4
GS		 1515# define UV_MIN UINT64_MIN
1516# else
1517# define IV_MAX PERL_QUAD_MAX
1518# define IV_MIN PERL_QUAD_MIN
1519# define UV_MAX PERL_UQUAD_MAX
1520# define UV_MIN PERL_UQUAD_MIN
1521# endif
cf2093f6
JH		 1522# define IV_IS_QUAD
1523# define UV_IS_QUAD
79072805 1524#else
8175356b 1525# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1526# define IV_MAX INT32_MAX
1527# define IV_MIN INT32_MIN
716026f9
DL		 1528# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1529# define UV_MAX UINT32_MAX
1530# else
1531# define UV_MAX 4294967295U
1532# endif
cae7ae48
JH		 1533# ifndef UINT32_MIN
1534# define UINT32_MIN 0
1535# endif
5ff3f7a4
GS		 1536# define UV_MIN UINT32_MIN
1537# else
1538# define IV_MAX PERL_LONG_MAX
1539# define IV_MIN PERL_LONG_MIN
1540# define UV_MAX PERL_ULONG_MAX
1541# define UV_MIN PERL_ULONG_MIN
1542# endif
8175356b 1543# if IVSIZE == 8
cf2093f6
JH		 1544# define IV_IS_QUAD
1545# define UV_IS_QUAD
de1c2614
JH		 1546# ifndef HAS_QUAD
1547# define HAS_QUAD
1548# endif
cf2093f6
JH		 1549# else
1550# undef IV_IS_QUAD
1551# undef UV_IS_QUAD
de1c2614 1552# undef HAS_QUAD
cf2093f6 1553# endif
79072805 1554#endif
d7d93a81 1555
1109a392
MHM		 1556#ifndef HAS_QUAD
1557# undef PERL_NEED_MY_HTOLE64
1558# undef PERL_NEED_MY_LETOH64
1559# undef PERL_NEED_MY_HTOBE64
1560# undef PERL_NEED_MY_BETOH64
1561#endif
1562
6cde8aec 1563#if defined(uts) || defined(UTS)
11afe549
HM		 1564# undef UV_MAX
1565# define UV_MAX (4294967295u)
20601011
JH		 1566#endif
1567
cae7ae48 1568#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1569#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1570
28e5dec8 1571#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1572#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1573#endif
1574
d460ef45 1575/*
26bb67e2
JH		 1576 * The macros INT2PTR and NUM2PTR are (despite their names)
1577 * bi-directional: they will convert int/float to or from pointers.
1578 * However the conversion to int/float are named explicitly:
1579 * PTR2IV, PTR2UV, PTR2NV.
1580 *
1581 * For int conversions we do not need two casts if pointers are
1582 * the same size as IV and UV. Otherwise we need an explicit
1583 * cast (PTRV) to avoid compiler warnings.
1584 */
56431972
RB		 1585#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1586# define PTRV UV
1587# define INT2PTR(any,d) (any)(d)
1588#else
d460ef45 1589# if PTRSIZE == LONGSIZE
56431972 1590# define PTRV unsigned long
e91e3b10 1591# define PTR2ul(p) (unsigned long)(p)
42718184 1592# else
56431972 1593# define PTRV unsigned
42718184 1594# endif
e91e3b10
RB		 1595#endif
1596
1597#ifndef INT2PTR
56431972 1598# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1599#endif
e91e3b10
RB		 1600
1601#ifndef PTR2ul
1602# define PTR2ul(p) INT2PTR(unsigned long,p)
1603#endif
1604
56431972
RB		 1605#define NUM2PTR(any,d) (any)(PTRV)(d)
1606#define PTR2IV(p) INT2PTR(IV,p)
1607#define PTR2UV(p) INT2PTR(UV,p)
1608#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1609#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1610
8141890a
JH		 1611/* According to strict ANSI C89 one cannot freely cast between
1612 * data pointers and function (code) pointers. There are at least
1613 * two ways around this. One (used below) is to do two casts,
1614 * first the other pointer to an (unsigned) integer, and then
1615 * the integer to the other pointer. The other way would be
1616 * to use unions to "overlay" the pointers. For an example of
1617 * the latter technique, see union dirpu in struct xpvio in sv.h.
1618 * The only feasible use is probably temporarily storing
1619 * function pointers in a data pointer (such as a void pointer). */
1620
e91e3b10
RB		 1621#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1622#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1623
65202027 1624#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1625# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1626# define LONG_DOUBLE_EQUALS_DOUBLE
1627# endif
68d4903c 1628# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1629# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1630# endif
1631#endif
1632
2d4389e4
JH		 1633#ifdef OVR_DBL_DIG
1634/* Use an overridden DBL_DIG */
1635# ifdef DBL_DIG
1636# undef DBL_DIG
1637# endif
1638# define DBL_DIG OVR_DBL_DIG
1639#else
1640/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1641 default value for printing floating point numbers in Gconvert
1642 (see config.h). (It also has other uses, such as figuring out if
1643 a given precision of printing can be done with a double instead of
1644 a long double - Allen).
2d4389e4
JH		 1645*/
1646#ifdef I_LIMITS
1647#include <limits.h>
1648#endif
1649#ifdef I_FLOAT
1650#include <float.h>
1651#endif
1652#ifndef HAS_DBL_DIG
1653#define DBL_DIG 15 /* A guess that works lots of places */
1654#endif
1655#endif
cbca01e1
JH		 1656#ifdef I_FLOAT
1657#include <float.h>
1658#endif
1659#ifndef HAS_DBL_DIG
1660#define DBL_DIG 15 /* A guess that works lots of places */
1661#endif
2d4389e4
JH		 1662
1663#ifdef OVR_LDBL_DIG
1664/* Use an overridden LDBL_DIG */
1665# ifdef LDBL_DIG
1666# undef LDBL_DIG
1667# endif
1668# define LDBL_DIG OVR_LDBL_DIG
1669#else
1670/* The following is all to get LDBL_DIG, in order to pick a nice
1671 default value for printing floating point numbers in Gconvert.
1672 (see config.h)
1673*/
68d4903c
JH		 1674# ifdef I_LIMITS
1675# include <limits.h>
1676# endif
1677# ifdef I_FLOAT
1678# include <float.h>
1679# endif
1680# ifndef HAS_LDBL_DIG
1681# if LONG_DOUBLESIZE == 10
1682# define LDBL_DIG 18 /* assume IEEE */
1683# else
1684# if LONG_DOUBLESIZE == 12
1685# define LDBL_DIG 18 /* gcc? */
1686# else
1687# if LONG_DOUBLESIZE == 16
1688# define LDBL_DIG 33 /* assume IEEE */
1689# else
1690# if LONG_DOUBLESIZE == DOUBLESIZE
1691# define LDBL_DIG DBL_DIG /* bummer */
1692# endif
1693# endif
1694# endif
1695# endif
1696# endif
2d4389e4
JH		 1697#endif
1698
20f6aaab
AS		 1699/*
1700 * This is for making sure we have a good DBL_MAX value, if possible,
1701 * either for usage as NV_MAX or for usage in figuring out if we can
1702 * fit a given long double into a double, if bug-fixing makes it
1703 * necessary to do so. - Allen <allens@cpan.org>
1704 */
1705
205f51d8
AS		 1706#ifdef I_LIMITS
1707# include <limits.h>
20f6aaab
AS		 1708#endif
1709
205f51d8
AS		 1710#ifdef I_VALUES
1711# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1712# include <values.h>
1713# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1714# define DBL_MAX MAXDOUBLE
1715# endif
1716# if defined(MINDOUBLE) && !defined(DBL_MIN)
1717# define DBL_MIN MINDOUBLE
1718# endif
1719# endif
1720#endif /* defined(I_VALUES) */
1721
a22e52b9 1722typedef NVTYPE NV;
8175356b 1723
792d8dab
JH		 1724#ifdef I_IEEEFP
1725# include <ieeefp.h>
1726#endif
923fc586 1727
65202027 1728#ifdef USE_LONG_DOUBLE
923fc586
JH		 1729# ifdef I_SUNMATH
1730# include <sunmath.h>
1731# endif
2d4389e4 1732# define NV_DIG LDBL_DIG
d6c14000
JH		 1733# ifdef LDBL_MANT_DIG
1734# define NV_MANT_DIG LDBL_MANT_DIG
1735# endif
06fc1729
JH		 1736# ifdef LDBL_MIN
1737# define NV_MIN LDBL_MIN
1738# endif
1739# ifdef LDBL_MAX
1740# define NV_MAX LDBL_MAX
1741# endif
1742# ifdef LDBL_MIN_10_EXP
1743# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1744# endif
1745# ifdef LDBL_MAX_10_EXP
1746# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1747# endif
1748# ifdef LDBL_EPSILON
1749# define NV_EPSILON LDBL_EPSILON
1750# endif
f4a14a62
JH		 1751# ifdef LDBL_MAX
1752# define NV_MAX LDBL_MAX
20f6aaab 1753/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1754# else
1755# ifdef HUGE_VALL
1756# define NV_MAX HUGE_VALL
1757# else
1758# ifdef HUGE_VAL
1759# define NV_MAX ((NV)HUGE_VAL)
1760# endif
1761# endif
1762# endif
68d4903c 1763# ifdef HAS_SQRTL
68d4903c
JH		 1764# define Perl_cos cosl
1765# define Perl_sin sinl
1766# define Perl_sqrt sqrtl
1767# define Perl_exp expl
1768# define Perl_log logl
1769# define Perl_atan2 atan2l
1770# define Perl_pow powl
1771# define Perl_floor floorl
1bbae031 1772# define Perl_ceil ceill
68d4903c
JH		 1773# define Perl_fmod fmodl
1774# endif
a3540c92
JH		 1775/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1776# ifdef HAS_MODFL
1777# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1778/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1779 prototype in <math.h> */
1780# ifndef HAS_MODFL_PROTO
a221a8a5 1781EXTERN_C long double modfl(long double, long double *);
51997bc3 1782# endif
03476e8e
JH		 1783# else
1784# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1785 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1786# define Perl_modf(x,y) Perl_my_modfl(x,y)
1787# endif
a3540c92
JH		 1788# endif
1789# ifdef HAS_FREXPL
dff3e0b8 1790# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1791# else
1792# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1793 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1794# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1795# endif
a3540c92 1796# endif
38dbb4c5 1797# ifndef Perl_isnan
758a5d79
JH		 1798# ifdef HAS_ISNANL
1799# define Perl_isnan(x) isnanl(x)
1800# endif
1801# endif
1802# ifndef Perl_isinf
1803# ifdef HAS_FINITEL
1804# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1805# endif
1806# endif
65202027 1807#else
2d4389e4 1808# define NV_DIG DBL_DIG
d6c14000
JH		 1809# ifdef DBL_MANT_DIG
1810# define NV_MANT_DIG DBL_MANT_DIG
1811# endif
06fc1729
JH		 1812# ifdef DBL_MIN
1813# define NV_MIN DBL_MIN
1814# endif
1815# ifdef DBL_MAX
1816# define NV_MAX DBL_MAX
1817# endif
1818# ifdef DBL_MIN_10_EXP
1819# define NV_MIN_10_EXP DBL_MIN_10_EXP
1820# endif
1821# ifdef DBL_MAX_10_EXP
1822# define NV_MAX_10_EXP DBL_MAX_10_EXP
1823# endif
1824# ifdef DBL_EPSILON
1825# define NV_EPSILON DBL_EPSILON
1826# endif
205f51d8 1827# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1828# define NV_MAX DBL_MAX
1829# define NV_MIN DBL_MIN
1830# else
1831# ifdef HUGE_VAL
1832# define NV_MAX HUGE_VAL
1833# endif
1834# endif
65202027
DS		 1835# define Perl_cos cos
1836# define Perl_sin sin
1837# define Perl_sqrt sqrt
1838# define Perl_exp exp
1839# define Perl_log log
1840# define Perl_atan2 atan2
1841# define Perl_pow pow
1842# define Perl_floor floor
1bbae031 1843# define Perl_ceil ceil
65202027 1844# define Perl_fmod fmod
a3540c92 1845# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1846# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1847#endif
1848
1849/* rumor has it that Win32 has _fpclass() */
1850
205f51d8
AS		 1851/* SGI has fpclassl... but not with the same result values,
1852 * and it's via a typedef (not via #define), so will need to redo Configure
1853 * to use. Not worth the trouble, IMO, at least until the below is used
1854 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1855 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1856 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1857
758a5d79
JH		 1858#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1859# ifdef I_IEEFP
1860# include <ieeefp.h>
1861# endif
1862# ifdef I_FP
1863# include <fp.h>
1864# endif
1865# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1866# define Perl_fp_class() fpclassl(x)
1867# else
1868# define Perl_fp_class() fpclass(x)
1869# endif
1870# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1871# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1872# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1873# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1874# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1875# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1876# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1877# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1878# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1879# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1880# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1881# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1882# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1883# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1884# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1885#endif
1886
7114a2d2 1887#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1888# include <math.h>
1889# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1890# include <fp_class.h>
1891# endif
1892# define Perl_fp_class(x) fp_class(x)
1893# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1894# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1895# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1896# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1897# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1898# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1899# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1900# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1901# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1902# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1903# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1904# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1905# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1906# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1907# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1908#endif
1909
1910#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1911# include <math.h>
1912# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1913# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1914# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1915# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1916# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1917# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1918#endif
1919
1920#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1921# include <math.h>
1922# ifndef _cplusplus
1923# define Perl_fp_class(x) class(x)
1924# else
1925# define Perl_fp_class(x) _class(x)
1926# endif
1927# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1928# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1929# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1930# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1931# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1932# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1933# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1934# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1935# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1936# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1937# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1938# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1939# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1940# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1941# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1942#endif
1943
1944/* rumor has it that Win32 has _isnan() */
1945
1946#ifndef Perl_isnan
a3540c92 1947# ifdef HAS_ISNAN
758a5d79
JH		 1948# define Perl_isnan(x) isnan((NV)x)
1949# else
1950# ifdef Perl_fp_class_nan
1951# define Perl_isnan(x) Perl_fp_class_nan(x)
1952# else
1953# ifdef HAS_UNORDERED
1954# define Perl_isnan(x) unordered((x), 0.0)
1955# else
1956# define Perl_isnan(x) ((x)!=(x))
1957# endif
1958# endif
1959# endif
1960#endif
1961
ca6c63e1
JH		 1962#ifdef UNDER_CE
1963int isnan(double d);
1964#endif
1965
758a5d79
JH		 1966#ifndef Perl_isinf
1967# ifdef HAS_ISINF
1968# define Perl_isinf(x) isinf((NV)x)
a3540c92 1969# else
758a5d79
JH		 1970# ifdef Perl_fp_class_inf
1971# define Perl_isinf(x) Perl_fp_class_inf(x)
1972# else
1973# define Perl_isinf(x) ((x)==NV_INF)
1974# endif
1975# endif
1976#endif
1977
1978#ifndef Perl_isfinite
1979# ifdef HAS_FINITE
1980# define Perl_isfinite(x) finite((NV)x)
1981# else
1982# ifdef HAS_ISFINITE
1983# define Perl_isfinite(x) isfinite(x)
1984# else
1985# ifdef Perl_fp_class_finite
1986# define Perl_isfinite(x) Perl_fp_class_finite(x)
1987# else
1988# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1989# endif
1990# endif
a3540c92 1991# endif
65202027
DS		 1992#endif
1993
a36244b7
JH		 1994/* The default is to use Perl's own atof() implementation (in numeric.c).
1995 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1996 * it is however best to use the native implementation of atof.
1997 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1998 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1999 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2000 * you may need to be using a different function than atof! */
a36244b7
JH		 2001
2002#ifndef USE_PERL_ATOF
2003# ifndef _UNICOS
2004# define USE_PERL_ATOF
2005# endif
2006#else
2007# if USE_PERL_ATOF == 0
2008# undef USE_PERL_ATOF
2009# endif
2010#endif
2011
2012#ifdef USE_PERL_ATOF
2013# define Perl_atof(s) Perl_my_atof(s)
2014# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2015#else
2016# define Perl_atof(s) (NV)atof(s)
2017# define Perl_atof2(s, n) ((n) = atof(s))
2018#endif
cf2093f6 2019
d460ef45 2020/* Previously these definitions used hardcoded figures.
760ac839
LW		 2021 * It is hoped these formula are more portable, although
2022 * no data one way or another is presently known to me.
2023 * The "PERL_" names are used because these calculated constants
2024 * do not meet the ANSI requirements for LONG_MAX, etc., which
2025 * need to be constants acceptable to #if - kja
2026 * define PERL_LONG_MAX 2147483647L
2027 * define PERL_LONG_MIN (-LONG_MAX - 1)
2028 * define PERL ULONG_MAX 4294967295L
2029 */
2030
2031#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2032# include <limits.h>
760ac839 2033#endif
205f51d8
AS		 2034/* Included values.h above if necessary; still including limits.h down here,
2035 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2036
99abf803 2037/*
2038 * Try to figure out max and min values for the integral types. THE CORRECT
2039 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2040 * following hacks are used if neither limits.h or values.h provide them:
2041 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2042 * for types < int: (unsigned TYPE)~(unsigned)0
2043 * The argument to ~ must be unsigned so that later signed->unsigned
2044 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2045 * and it must not be smaller than int because ~ does integral promotion.
2046 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2047 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2048 * The latter is a hack which happens to work on some machines but
2049 * does *not* catch any random system, or things like integer types
2050 * with NaN if that is possible.
2051 *
2052 * All of the types are explicitly cast to prevent accidental loss of
2053 * numeric range, and in the hope that they will be less likely to confuse
2054 * over-eager optimizers.
2055 *
2056 */
27d4fb96 2057
99abf803 2058#define PERL_UCHAR_MIN ((unsigned char)0)
2059
2060#ifdef UCHAR_MAX
2061# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2062#else
99abf803 2063# ifdef MAXUCHAR
2064# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2065# else
99abf803 2066# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2067# endif
2068#endif
d460ef45 2069
99abf803 2070/*
2071 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2072 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2073 * depending on local options. Until Configure detects this (or at least
2074 * detects whether the "signed" keyword is available) the CHAR ranges
2075 * will not be included. UCHAR functions normally.
2076 * - kja
2077 */
27d4fb96 2078
99abf803 2079#define PERL_USHORT_MIN ((unsigned short)0)
2080
2081#ifdef USHORT_MAX
2082# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2083#else
99abf803 2084# ifdef MAXUSHORT
2085# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2086# else
ef2f54b0
CB		 2087# ifdef USHRT_MAX
2088# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2089# else
2090# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2091# endif
27d4fb96 2092# endif
2093#endif
2094
27d4fb96 2095#ifdef SHORT_MAX
99abf803 2096# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2097#else
2098# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2099# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2100# else
ef2f54b0
CB		 2101# ifdef SHRT_MAX
2102# define PERL_SHORT_MAX ((short)SHRT_MAX)
2103# else
2104# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2105# endif
27d4fb96 2106# endif
2107#endif
2108
2109#ifdef SHORT_MIN
99abf803 2110# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2111#else
2112# ifdef MINSHORT
99abf803 2113# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2114# else
ef2f54b0
CB		 2115# ifdef SHRT_MIN
2116# define PERL_SHORT_MIN ((short)SHRT_MIN)
2117# else
2118# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2119# endif
27d4fb96 2120# endif
2121#endif
2122
99abf803 2123#ifdef UINT_MAX
2124# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2125#else
99abf803 2126# ifdef MAXUINT
2127# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2128# else
99abf803 2129# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2130# endif
2131#endif
2132
99abf803 2133#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2134
2135#ifdef INT_MAX
99abf803 2136# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2137#else
2138# ifdef MAXINT /* Often used in <values.h> */
99abf803 2139# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2140# else
99abf803 2141# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2142# endif
2143#endif
2144
2145#ifdef INT_MIN
99abf803 2146# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2147#else
2148# ifdef MININT
99abf803 2149# define PERL_INT_MIN ((int)MININT)
27d4fb96 2150# else
2151# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2152# endif
2153#endif
2154
99abf803 2155#ifdef ULONG_MAX
2156# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2157#else
99abf803 2158# ifdef MAXULONG
2159# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2160# else
99abf803 2161# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2162# endif
2163#endif
2164
99abf803 2165#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2166
760ac839 2167#ifdef LONG_MAX
99abf803 2168# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2169#else
2170# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2171# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2172# else
99abf803 2173# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2174# endif
2175#endif
2176
2177#ifdef LONG_MIN
99abf803 2178# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2179#else
2180# ifdef MINLONG
99abf803 2181# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2182# else
27d4fb96 2183# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2184# endif
2185#endif
2186
d7d93a81 2187#ifdef UV_IS_QUAD
99abf803 2188
99abf803 2189# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2190# define PERL_UQUAD_MIN ((UV)0)
99abf803 2191# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2192# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2193
79072805
LW		 2194#endif
2195
22f7c9c9
JH		 2196#ifdef MYMALLOC
2197# include "malloc_ctl.h"
2198#endif
2199
830247a4 2200struct RExC_state_t;
8e11feef 2201struct _reg_trie_data;
880b20b6 2202
ee0007ab 2203typedef MEM_SIZE STRLEN;
450a55e4 2204
598921a7
NC		 2205#ifdef PERL_MAD
2206typedef struct token TOKEN;
2207typedef struct madprop MADPROP;
2208typedef struct nexttoken NEXTTOKE;
2209#endif
79072805
LW		 2210typedef struct op OP;
2211typedef struct cop COP;
2212typedef struct unop UNOP;
2213typedef struct binop BINOP;
2214typedef struct listop LISTOP;
2215typedef struct logop LOGOP;
79072805
LW		 2216typedef struct pmop PMOP;
2217typedef struct svop SVOP;
7934575e 2218typedef struct padop PADOP;
79072805 2219typedef struct pvop PVOP;
79072805
LW		 2220typedef struct loop LOOP;
2221
cd1541b2
NC		 2222typedef struct interpreter PerlInterpreter;
2223
d2b3f365
SS		 2224/* Amdahl's <ksync.h> has struct sv */
2225/* SGI's <sys/sema.h> has struct sv */
2226#if defined(UTS) || defined(__sgi)
2227# define STRUCT_SV perl_sv
b8d3c5db
JH		 2228#else
2229# define STRUCT_SV sv
2230#endif
2231typedef struct STRUCT_SV SV;
79072805
LW		 2232typedef struct av AV;
2233typedef struct hv HV;
2234typedef struct cv CV;
378cc40b 2235typedef struct regexp REGEXP;
79072805 2236typedef struct gp GP;
0c30d9ec 2237typedef struct gv GV;
8990e307 2238typedef struct io IO;
c09156bb 2239typedef struct context PERL_CONTEXT;
79072805
LW		 2240typedef struct block BLOCK;
2241
2242typedef struct magic MAGIC;
2243typedef struct xpv XPV;
2244typedef struct xpviv XPVIV;
ff68c719 2245typedef struct xpvuv XPVUV;
79072805
LW		 2246typedef struct xpvnv XPVNV;
2247typedef struct xpvmg XPVMG;
2248typedef struct xpvlv XPVLV;
2249typedef struct xpvav XPVAV;
2250typedef struct xpvhv XPVHV;
2251typedef struct xpvgv XPVGV;
2252typedef struct xpvcv XPVCV;
2253typedef struct xpvbm XPVBM;
2254typedef struct xpvfm XPVFM;
8990e307 2255typedef struct xpvio XPVIO;
79072805
LW		 2256typedef struct mgvtbl MGVTBL;
2257typedef union any ANY;
5f7fde29
GS		 2258typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2259typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2260typedef struct clone_params CLONE_PARAMS;
2261
378cc40b 2262#include "handy.h"
a0d0e21e 2263
6b8eaf93 2264#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2265# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2266# define USE_64_BIT_RAWIO /* implicit */
2267# endif
4564133c
JH		 2268#endif
2269
6b8eaf93
JH		 2270/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2271 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2272 * however, because operating systems like to do that themself. */
2273#ifndef FSEEKSIZE
2274# ifdef HAS_FSEEKO
2275# define FSEEKSIZE LSEEKSIZE
2276# else
2277# define FSEEKSIZE LONGSIZE
d460ef45 2278# endif
6b8eaf93
JH		 2279#endif
2280
2281#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2282# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2283# define USE_64_BIT_STDIO /* implicit */
2284# endif
2285#endif
4564133c 2286
09458382 2287#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2288# ifdef HAS_OFF64_T
2289# undef Off_t
2290# define Off_t off64_t
2291# undef LSEEKSIZE
2292# define LSEEKSIZE 8
5ff3f7a4 2293# endif
d9b3e12d
JH		 2294/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2295 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2296 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2297# if defined(USE_OPEN64)
2298# define open open64
5ff3f7a4 2299# endif
d9b3e12d
JH		 2300# if defined(USE_LSEEK64)
2301# define lseek lseek64
6b8eaf93
JH		 2302# else
2303# if defined(USE_LLSEEK)
2304# define lseek llseek
2305# endif
d9b3e12d
JH		 2306# endif
2307# if defined(USE_STAT64)
2308# define stat stat64
2309# endif
2310# if defined(USE_FSTAT64)
2311# define fstat fstat64
2312# endif
2313# if defined(USE_LSTAT64)
2314# define lstat lstat64
2315# endif
2316# if defined(USE_FLOCK64)
2317# define flock flock64
2318# endif
2319# if defined(USE_LOCKF64)
2320# define lockf lockf64
2321# endif
2322# if defined(USE_FCNTL64)
2323# define fcntl fcntl64
2324# endif
2325# if defined(USE_TRUNCATE64)
2326# define truncate truncate64
2327# endif
2328# if defined(USE_FTRUNCATE64)
2329# define ftruncate ftruncate64
2330# endif
2331#endif
2332
2333#ifdef USE_64_BIT_STDIO
2334# ifdef HAS_FPOS64_T
2335# undef Fpos_t
2336# define Fpos_t fpos64_t
2337# endif
2338/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2339 * will trigger defines like the ones below. Some 64-bit environments,
2340 * however, do not. */
2341# if defined(USE_FOPEN64)
2342# define fopen fopen64
2343# endif
2344# if defined(USE_FSEEK64)
6b8eaf93 2345# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2346# endif
2347# if defined(USE_FTELL64)
6b8eaf93 2348# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2349# endif
2350# if defined(USE_FSETPOS64)
2351# define fsetpos fsetpos64
2352# endif
2353# if defined(USE_FGETPOS64)
2354# define fgetpos fgetpos64
2355# endif
2356# if defined(USE_TMPFILE64)
2357# define tmpfile tmpfile64
2358# endif
2359# if defined(USE_FREOPEN64)
2360# define freopen freopen64
5ff3f7a4
GS		 2361# endif
2362#endif
2363
af8b425d 2364#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2365# include "iperlsys.h"
2366#endif
2367
6f71a643 2368#if defined(__OPEN_VM)
19848b3f
JH		 2369# include "vmesa/vmesaish.h"
2370# define ISHISH "vmesa"
6f71a643
JH		 2371#endif
2372
748a9306 2373#ifdef DOSISH
19848b3f
JH		 2374# if defined(OS2)
2375# include "os2ish.h"
2376# else
2377# include "dosish.h"
2378# endif
2379# define ISHISH "dos"
2380#endif
2381
2382#if defined(VMS)
748a9306 2383# include "vmsish.h"
96e176bf 2384# include "embed.h"
eb8433b7
NC		 2385# ifndef PERL_MAD
2386# undef op_getmad
b3f24c00 2387# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2388# endif
19848b3f
JH		 2389# define ISHISH "vms"
2390#endif
2391
2392#if defined(PLAN9)
2393# include "./plan9/plan9ish.h"
2394# define ISHISH "plan9"
2395#endif
2396
2397#if defined(MPE)
2398# include "mpeix/mpeixish.h"
2399# define ISHISH "mpeix"
2400#endif
2401
2402#if defined(__VOS__)
196918b0
PG		 2403# ifdef __GNUC__
2404# include "./vos/vosish.h"
2405# else
2406# include "vos/vosish.h"
2407# endif
19848b3f
JH		 2408# define ISHISH "vos"
2409#endif
2410
2411#if defined(EPOC)
2412# include "epocish.h"
2413# define ISHISH "epoc"
2414#endif
2415
9969cdde 2416#ifdef __SYMBIAN32__
27da23d5
JH		 2417# include "symbian/symbianish.h"
2418# include "embed.h"
eb8433b7
NC		 2419# ifndef PERL_MAD
2420# undef op_getmad
b3f24c00 2421# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2422# endif
27da23d5
JH		 2423# define ISHISH "symbian"
2424#endif
2425
19848b3f
JH		 2426#if defined(MACOS_TRADITIONAL)
2427# include "macos/macish.h"
2428# ifndef NO_ENVIRON_ARRAY
2429# define NO_ENVIRON_ARRAY
0c30d9ec 2430# endif
19848b3f
JH		 2431# define ISHISH "macos classic"
2432#endif
2433
efca5cc6
JH		 2434#if defined(__BEOS__)
2435# include "beos/beosish.h"
2436# define ISHISH "beos"
2437#endif
2438
19848b3f
JH		 2439#ifndef ISHISH
2440# include "unixish.h"
2441# define ISHISH "unix"
13b6e58c
JH		 2442#endif
2443
2946a158
JH		 2444/* NSIG logic from Configure --> */
2445/* Strange style to avoid deeply-nested #if/#else/#endif */
2446#ifndef NSIG
2447# ifdef _NSIG
2448# define NSIG (_NSIG)
2449# endif
2450#endif
2451
2452#ifndef NSIG
2453# ifdef SIGMAX
2454# define NSIG (SIGMAX+1)
2455# endif
2456#endif
2457
2458#ifndef NSIG
2459# ifdef SIG_MAX
2460# define NSIG (SIG_MAX+1)
2461# endif
2462#endif
2463
2464#ifndef NSIG
2465# ifdef _SIG_MAX
2466# define NSIG (_SIG_MAX+1)
2467# endif
2468#endif
2469
2470#ifndef NSIG
2471# ifdef MAXSIG
2472# define NSIG (MAXSIG+1)
2473# endif
2474#endif
2475
2476#ifndef NSIG
2477# ifdef MAX_SIG
2478# define NSIG (MAX_SIG+1)
2479# endif
2480#endif
2481
2482#ifndef NSIG
2483# ifdef SIGARRAYSIZE
2484# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2485# endif
2486#endif
2487
2488#ifndef NSIG
2489# ifdef _sys_nsig
2490# define NSIG (_sys_nsig) /* Solaris 2.5 */
2491# endif
2492#endif
2493
2494/* Default to some arbitrary number that's big enough to get most
2495 of the common signals.
2496*/
2497#ifndef NSIG
2498# define NSIG 50
2499#endif
2500/* <-- NSIG logic from Configure */
2501
13b6e58c
JH		 2502#ifndef NO_ENVIRON_ARRAY
2503# define USE_ENVIRON_ARRAY
2504#endif
32f822de 2505
c77b533b
JH		 2506/*
2507 * initialise to avoid floating-point exceptions from overflow, etc
2508 */
2509#ifndef PERL_FPU_INIT
2510# ifdef HAS_FPSETMASK
2511# if HAS_FLOATINGPOINT_H
2512# include <floatingpoint.h>
2513# endif
2514# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2515# else
2f42fcb0 2516# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
8aad04aa 2517# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2518# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2519# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2520# else
2521# define PERL_FPU_INIT
2f42fcb0 2522
7014c407 2523# endif
c77b533b
JH		 2524# endif
2525#endif
b35112e7
CS		 2526#ifndef PERL_FPU_PRE_EXEC
2527# define PERL_FPU_PRE_EXEC {
2528# define PERL_FPU_POST_EXEC }
2529#endif
c77b533b 2530
ed344e4f
IZ		 2531#ifndef PERL_SYS_INIT3
2532# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2533#endif
2534
be708cc0
JH		 2535#ifndef PERL_WRITE_MSG_TO_CONSOLE
2536# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2537#endif
2538
0f31cffe
GS		 2539#ifndef MAXPATHLEN
2540# ifdef PATH_MAX
b990c8b2
JH		 2541# ifdef _POSIX_PATH_MAX
2542# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2543/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2544 * included the null byte or not. Later amendments of POSIX,
2545 * XPG4, the Austin Group, and the Single UNIX Specification
2546 * all explicitly include the null byte in the PATH_MAX.
2547 * Ditto for _POSIX_PATH_MAX. */
2548# define MAXPATHLEN PATH_MAX
b990c8b2 2549# else
09448d78 2550# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2551# endif
2552# else
2553# define MAXPATHLEN (PATH_MAX+1)
2554# endif
0f31cffe 2555# else
b990c8b2 2556# ifdef _POSIX_PATH_MAX
09448d78 2557# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2558# else
2559# define MAXPATHLEN 1024 /* Err on the large side. */
2560# endif
0f31cffe
GS		 2561# endif
2562#endif
2563
c80263a8
SH		 2564/* In case Configure was not used (we are using a "canned config"
2565 * such as Win32, or a cross-compilation setup, for example) try going
2566 * by the gcc major and minor versions. One useful URL is
2567 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2568 * but contrary to this information warn_unused_result seems
2569 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2570 * Also, when building extensions with an installed perl, this allows
2571 * the user to upgrade gcc and get the right attributes, rather than
2572 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2573 * Set these up now otherwise we get confused when some of the <*thread.h>
2574 * includes below indirectly pull in <perlio.h> (which needs to know if we
2575 * have HASATTRIBUTE_FORMAT).
2576 */
2577
fc2007d4 2578#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH		 2579# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2580# define HASATTRIBUTE_FORMAT
2581# endif
2582# if __GNUC__ >= 3 /* 3.0 -> */
2583# define HASATTRIBUTE_MALLOC
2584# endif
2585# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2586# define HASATTRIBUTE_NONNULL
2587# endif
2588# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2589# define HASATTRIBUTE_NORETURN
2590# endif
2591# if __GNUC__ >= 3 /* gcc 3.0 -> */
2592# define HASATTRIBUTE_PURE
2593# endif
42bf5550
AD		 2594# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2595 /* This actually works for gcc-3.3, but not for g++-3.3. */
c80263a8
SH		 2596# define HASATTRIBUTE_UNUSED
2597# endif
2598# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2599# define HASATTRIBUTE_WARN_UNUSED_RESULT
2600# endif
2601#endif
2602
3db8f154 2603/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2604 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2605 * this results in many functions being undeclared which bothers C++
2606 * May make sense to have threads after "*ish.h" anyway
2607 */
2608
3db8f154 2609#if defined(USE_ITHREADS)
2986a63f
JH		 2610# ifdef NETWARE
2611# include <nw5thread.h>
2612# else
32f822de
GS		 2613# ifdef FAKE_THREADS
2614# include "fakethr.h"
2615# else
2616# ifdef WIN32
2617# include <win32thread.h>
2618# else
dd96f567
IZ		 2619# ifdef OS2
2620# include "os2thread.h"
2621# else
7f3d1cf1 2622# ifdef I_MACH_CTHREADS
bdd66968 2623# include <mach/cthreads.h>
8f1f23e8 2624# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2625# define MUTEX_INIT_CALLS_MALLOC
2626# endif
7f3d1cf1
BH		 2627typedef cthread_t perl_os_thread;
2628typedef mutex_t perl_mutex;
2629typedef condition_t perl_cond;
2630typedef void * perl_key;
2631# else /* Posix threads */
1f5ae88c
JH		 2632# ifdef I_PTHREAD
2633# include <pthread.h>
2634# endif
7f3d1cf1
BH		 2635typedef pthread_t perl_os_thread;
2636typedef pthread_mutex_t perl_mutex;
2637typedef pthread_cond_t perl_cond;
2638typedef pthread_key_t perl_key;
2639# endif /* I_MACH_CTHREADS */
dd96f567 2640# endif /* OS2 */
32f822de
GS		 2641# endif /* WIN32 */
2642# endif /* FAKE_THREADS */
2986a63f 2643#endif /* NETWARE */
3db8f154 2644#endif /* USE_ITHREADS */
c5be433b 2645
66a93824 2646#if defined(WIN32)
1feb2720 2647# include "win32.h"
c5be433b
GS		 2648#endif
2649
2986a63f
JH		 2650#ifdef NETWARE
2651# include "netware.h"
2652#endif
2653
e5218da5 2654#define STATUS_UNIX PL_statusvalue
68dc0745 2655#ifdef VMS
6b88bc9c 2656# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2657/*
2658 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2659 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2660 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2661 * be updated also.
2662 */
2663# include <stsdef.h>
2664# include <ssdef.h>
2665/* Presume this because if VMS changes it, it will require a new
2666 * set of APIs for waiting on children for binary compatibility.
2667 */
2668# define child_offset_bits (8)
2669# ifndef C_FAC_POSIX
2670# define C_FAC_POSIX 0x35A000
2671# endif
2672
2673/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2674 * platform from the existing UNIX or Native status values.
2675 */
2676
37038d91 2677# define STATUS_EXIT \
7a7fd8e0
JM		 2678 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2679 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2680
7a7fd8e0 2681
fb38d079
JM		 2682/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2683 * exit code and shifts the UNIX value over the correct number of bits to
2684 * be a child status. Usually the number of bits is 8, but that could be
2685 * platform dependent. The NATIVE status code is presumed to have either
2686 * from a child process.
7a7fd8e0
JM		 2687 */
2688
fb38d079
JM		 2689/* This is complicated. The child processes return a true native VMS
2690 status which must be saved. But there is an assumption in Perl that
2691 the UNIX child status has some relationship to errno values, so
2692 Perl tries to translate it to text in some of the tests.
2693 In order to get the string translation correct, for the error, errno
2694 must be EVMSERR, but that generates a different text message
2695 than what the test programs are expecting. So an errno value must
2696 be derived from the native status value when an error occurs.
2697 That will hide the true native status message. With this version of
2698 perl, the true native child status can always be retrieved so that
2699 is not a problem. But in this case, Pl_statusvalue and errno may
2700 have different values in them.
2701 */
7a7fd8e0 2702
fb38d079 2703# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2704 STMT_START { \
2fbb330f
JM		 2705 I32 evalue = (I32)n; \
2706 if (evalue == EVMSERR) { \
2707 PL_statusvalue_vms = vaxc$errno; \
2708 PL_statusvalue = evalue; \
7a7fd8e0 2709 } else { \
2fbb330f 2710 PL_statusvalue_vms = evalue; \
fb38d079 2711 if (evalue == -1) { \
3280af22 2712 PL_statusvalue = -1; \
7a7fd8e0
JM		 2713 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2714 } else \
fb38d079 2715 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2716 set_vaxc_errno(evalue); \
fb38d079
JM		 2717 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2718 set_errno(EVMSERR); \
2719 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2720 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2721 } \
68dc0745 2722 } STMT_END
7a7fd8e0 2723
68dc0745 2724# ifdef VMSISH_STATUS
e5218da5 2725# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2726# else
e5218da5 2727# define STATUS_CURRENT STATUS_UNIX
68dc0745 2728# endif
7a7fd8e0
JM		 2729
2730 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2731 * the NATIVE status to an equivalent value. Can not be used to translate
2732 * exit code values as exit code values are not guaranteed to have any
2733 * relationship at all to errno values.
2734 * This is used when Perl is forcing errno to have a specific value.
2735 */
e5218da5 2736# define STATUS_UNIX_SET(n) \
68dc0745 2737 STMT_START { \
7a7fd8e0 2738 I32 evalue = (I32)n; \
0968cdad 2739 PL_statusvalue = evalue; \
3280af22 2740 if (PL_statusvalue != -1) { \
0968cdad
JM		 2741 if (PL_statusvalue != EVMSERR) { \
2742 PL_statusvalue &= 0xFFFF; \
2743 if (MY_POSIX_EXIT) \
2744 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2745 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2746 } \
2747 else { \
2748 PL_statusvalue_vms = vaxc$errno; \
2749 } \
68dc0745 2750 } \
0968cdad
JM		 2751 else PL_statusvalue_vms = SS$_ABORT; \
2752 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2753 } STMT_END
2754
2755 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2756 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2757 * the UNIX/POSIX exit codes have any relationship to errno, except
2758 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2759 * with the Perl VMS documentation, any other code sets the NATIVE
2760 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2761 *
2762 * In the new POSIX EXIT mode, native status will be set so that the
2763 * actual exit code will can be retrieved by the calling program or
2764 * shell.
2765 *
2766 * If the exit code is not clearly a UNIX parent or child exit status,
2767 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2768 */
2769
fb38d079 2770# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2771 STMT_START { \
2772 I32 evalue = (I32)n; \
2773 PL_statusvalue = evalue; \
fb38d079
JM		 2774 if (evalue != -1) { \
2775 if (evalue <= 0xFF00) { \
2776 if (evalue > 0xFF) \
2777 evalue = (evalue >> child_offset_bits) & 0xFF; \
2778 if (evalue == 0) \
2779 PL_statusvalue_vms == SS$_NORMAL; \
2780 else \
2781 if (MY_POSIX_EXIT) \
2782 PL_statusvalue_vms = \
2783 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2784 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2785 else \
6ac6a52b 2786 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2787 } else { /* forgive them Perl, for they have sinned */ \
2788 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2789 else PL_statusvalue_vms = vaxc$errno; \
2790 /* And obviously used a VMS status value instead of UNIX */ \
2791 PL_statusvalue = EVMSERR; \
2792 } \
7a7fd8e0
JM		 2793 } \
2794 else PL_statusvalue_vms = SS$_ABORT; \
2795 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2796 } STMT_END
fb38d079 2797
6ac6a52b
JM		 2798 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2799 * and sets the NATIVE error status based on it. This special case
2800 * is needed to maintain compatibility with past VMS behavior.
2801 *
2802 * In the default mode on VMS, this number is passed through as
2803 * both the NATIVE and UNIX status. Which makes it different
2804 * that the STATUS_UNIX_EXIT_SET.
2805 *
2806 * In the new POSIX EXIT mode, native status will be set so that the
2807 * actual exit code will can be retrieved by the calling program or
2808 * shell.
2809 *
2810 */
2811
2812# define STATUS_EXIT_SET(n) \
2813 STMT_START { \
2814 I32 evalue = (I32)n; \
2815 PL_statusvalue = evalue; \
2816 if (MY_POSIX_EXIT) \
2817 PL_statusvalue_vms = \
2818 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2819 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2820 else \
2821 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2822 set_vaxc_errno(PL_statusvalue_vms); \
2823 } STMT_END
2824
fb38d079
JM		 2825
2826 /* This macro forces a success status */
7a7fd8e0
JM		 2827# define STATUS_ALL_SUCCESS \
2828 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2829
2830 /* This macro forces a failure status */
7a7fd8e0
JM		 2831# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2832 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2833 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2834
68dc0745 2835#else
e5218da5 2836# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2837# if defined(WCOREDUMP)
37038d91 2838# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2839 STMT_START { \
2840 PL_statusvalue_posix = (n); \
2841 if (PL_statusvalue_posix == -1) \
2842 PL_statusvalue = -1; \
2843 else { \
2844 PL_statusvalue = \
2845 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2846 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2847 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2848 } \
2849 } STMT_END
2850# elif defined(WIFEXITED)
37038d91 2851# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2852 STMT_START { \
2853 PL_statusvalue_posix = (n); \
2854 if (PL_statusvalue_posix == -1) \
2855 PL_statusvalue = -1; \
2856 else { \
2857 PL_statusvalue = \
2858 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2859 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2860 } \
2861 } STMT_END
2862# else
37038d91 2863# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2864 STMT_START { \
2865 PL_statusvalue_posix = (n); \
2866 if (PL_statusvalue_posix == -1) \
2867 PL_statusvalue = -1; \
2868 else { \
2869 PL_statusvalue = \
2870 PL_statusvalue_posix & 0xFFFF; \
2871 } \
2872 } STMT_END
2873# endif
2874# define STATUS_UNIX_SET(n) \
68dc0745 2875 STMT_START { \
3280af22
NIS		 2876 PL_statusvalue = (n); \
2877 if (PL_statusvalue != -1) \
2878 PL_statusvalue &= 0xFFFF; \
68dc0745 2879 } STMT_END
7a7fd8e0 2880# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2881# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2882# define STATUS_CURRENT STATUS_UNIX
37038d91 2883# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2884# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2885# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2886#endif
2887
cc3604b1
GS		 2888/* flags in PL_exit_flags for nature of exit() */
2889#define PERL_EXIT_EXPECTED 0x01
31d77e54 2890#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2891
0b94c7bb 2892#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2893# define MEMBER_TO_FPTR(name) name
2894#endif
2895
2896/* format to use for version numbers in file/directory names */
273cf8d1 2897/* XXX move to Configure? */
a7cb1f99 2898#ifndef PERL_FS_VER_FMT
273cf8d1 2899# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2900#endif
2901
45bc9206 2902/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2903 * performance issue, so we allow people to disable it. Also, if
2904 * we are using stdio, there are broken implementations of fflush(NULL)
2905 * out there, Solaris being the most prominent.
45bc9206
GS		 2906 */
2907#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2908# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2909# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2910# else
2911# ifdef FFLUSH_ALL
2912# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2913# else
c5be433b 2914# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2915# endif
66fe083f 2916# endif
45bc9206
GS		 2917#endif
2918
7766f137
GS		 2919#ifndef PERL_WAIT_FOR_CHILDREN
2920# define PERL_WAIT_FOR_CHILDREN NOOP
2921#endif
2922
ba869deb 2923/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2924#ifndef PERL_SET_INTERP
2925# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2926#endif
2927
2928#ifndef PERL_GET_INTERP
2929# define PERL_GET_INTERP (PL_curinterp)
2930#endif
2931
54aff467 2932#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2933# ifdef MULTIPLICITY
ba869deb 2934# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2935# endif
ba869deb
GS		 2936# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2937#endif
2938
8896765a
RB		 2939/*
2940 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2941 All that is required is that the perl source does not
8896765a
RB		 2942 use "%-p" or "%-<number>p" or "%<number>p" formats.
2943 These formats will still work in perl code.
2944 See comments in sv.c for futher details.
2945
2946 -DvdNUMBER=<number> can be used to redefine VDf
2947
2948 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
2949 which works properly but gives compiler warnings
2950
2951 Robin Barker 2005-07-14
0dbb1585 2952*/
8896765a
RB		 2953
2954#ifndef SVf_
63ce7bf0 2955# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 2956#endif
2957
8896765a 2958#ifndef SVf
104abab4 2959# define SVf "-p"
d2560b70
RB		 2960#endif
2961
014ead4b 2962#ifndef SVf32
8896765a 2963# define SVf32 SVf_(32)
014ead4b
RB		 2964#endif
2965
2966#ifndef SVf256
8896765a
RB		 2967# define SVf256 SVf_(256)
2968#endif
2969
2970#ifndef vdNUMBER
2971# define vdNUMBER 1
2972#endif
2973
2974#ifndef VDf
2975# if vdNUMBER
63ce7bf0 2976# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB		 2977# else
2978# define VDf "vd"
2979# endif
014ead4b
RB		 2980#endif
2981
2982#ifndef UVf
2983# define UVf UVuf
d2560b70
RB		 2984#endif
2985
0dbb1585
AL		 2986#ifdef HASATTRIBUTE_FORMAT
2987# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2988#endif
2989#ifdef HASATTRIBUTE_MALLOC
77785eea 2990# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 2991#endif
0dbb1585 2992#ifdef HASATTRIBUTE_NONNULL
abb2c242 2993# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2994#endif
0dbb1585 2995#ifdef HASATTRIBUTE_NORETURN
abb2c242 2996# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2997#endif
0dbb1585 2998#ifdef HASATTRIBUTE_PURE
abb2c242 2999# define __attribute__pure__ __attribute__((pure))
f22be1b8 3000#endif
0dbb1585
AL		 3001#ifdef HASATTRIBUTE_UNUSED
3002# define __attribute__unused__ __attribute__((unused))
3003#endif
3004#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3005# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3006#endif
3007
0dbb1585
AL		 3008/* If we haven't defined the attributes yet, define them to blank. */
3009#ifndef __attribute__format__
3010# define __attribute__format__(x,y,z)
3011#endif
f22be1b8 3012#ifndef __attribute__malloc__
abb2c242 3013# define __attribute__malloc__
f22be1b8
JH		 3014#endif
3015#ifndef __attribute__nonnull__
abb2c242 3016# define __attribute__nonnull__(a)
f22be1b8
JH		 3017#endif
3018#ifndef __attribute__noreturn__
abb2c242 3019# define __attribute__noreturn__
f22be1b8
JH		 3020#endif
3021#ifndef __attribute__pure__
abb2c242 3022# define __attribute__pure__
f22be1b8 3023#endif
0dbb1585
AL		 3024#ifndef __attribute__unused__
3025# define __attribute__unused__
3026#endif
f22be1b8 3027#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3028# define __attribute__warn_unused_result__
3029#endif
3030
0dbb1585
AL		 3031/* For functions that are marked as __attribute__noreturn__, it's not
3032 appropriate to call return. In either case, include the lint directive.
3033 */
3034#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3035# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3036#else
b37c2d43 3037# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3038#endif
3039
635aebb7 3040#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3041# define EXPECT(expr,val) __builtin_expect(expr,val)
3042#else
3043# define EXPECT(expr,val) (expr)
3044#endif
3045#define LIKELY(cond) EXPECT(cond,1)
3046#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3047#ifdef HAS_BUILTIN_CHOOSE_EXPR
3048/* placeholder */
3049#endif
b37c2d43 3050
3fc1aec6 3051/* Some unistd.h's give a prototype for pause() even though
3052 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3053 below to be rejected by the compiler. Sigh.
3fc1aec6 3054*/
3055#ifdef HAS_PAUSE
3056#define Pause pause
3057#else
3058#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3059#endif
3060
3061#ifndef IOCPARM_LEN
3062# ifdef IOCPARM_MASK
61f1c44b 3063 /* on BSDish systems we're safe */
748a9306
LW		 3064# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3065# else
61f1c44b 3066# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3067 /* on Linux systems we're safe; except when we're not [perl #38223] */
3068# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3069# else
748a9306 3070 /* otherwise guess at what's safe */
61f1c44b
JVD		 3071# define IOCPARM_LEN(x) 256
3072# endif
748a9306 3073# endif
a0d0e21e
LW		 3074#endif
3075
1761cee5 3076#if defined(__CYGWIN__)
521e0776
GS		 3077/* USEMYBINMODE
3078 * This symbol, if defined, indicates that the program should
16fe6d59 3079 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3080 * that a file is in "binary" mode -- that is, that no translation
3081 * of bytes occurs on read or write operations.
3082 */
36894f0b 3083# define USEMYBINMODE /**/
77a40698 3084# include <io.h> /* for setmode() prototype */
16fe6d59 3085# define my_binmode(fp, iotype, mode) \
77a40698 3086 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3087#endif
3088
88d10794
JH		 3089#ifdef __CYGWIN__
3090void init_os_extras(void);
3091#endif
3092
cea2e8a9
GS		 3093#ifdef UNION_ANY_DEFINITION
3094UNION_ANY_DEFINITION;
3095#else
3096union any {
3097 void* any_ptr;
3098 I32 any_i32;
3099 IV any_iv;
3100 long any_long;
9febdf04 3101 bool any_bool;
c76ac1ee 3102 void (*any_dptr) (void*);
acfe0abc 3103 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3104};
3105#endif
3106
acfe0abc 3107typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3108
3109#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3110#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3111#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3112
c5078cac
JH		 3113#if defined(_AIX) && !defined(_AIX43)
3114#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3115/* We cannot include <crypt.h> to get the struct crypt_data
3116 * because of setkey prototype problems when threading */
3117typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3118 /* From OSF, Not needed in AIX
3119 char C[28], D[28];
3120 */
3121 char E[48];
3122 char KS[16][48];
3123 char block[66];
3124 char iobuf[16];
3125} CRYPTD;
3126#endif /* threading */
3127#endif /* AIX */
3128
af8b425d 3129#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3130# include "iperlsys.h"
3131#endif
504f80c1 3132
d10dc2ae
JH		 3133/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3134 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3135 * defined by Configure, despite their names being similar to the
3136 * other defines like USE_ITHREADS. Configure in fact knows nothing
3137 * about the randomised hashes. Therefore to enable/disable the hash
3138 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3139#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3140# define USE_HASH_SEED
504f80c1
JH		 3141#endif
3142
598921a7
NC		 3143/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3144 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3145 * it's not really needed.
3146 */
3147#if defined(WIN32)
3148# define YYTOKENTYPE
3149#endif
3150#include "perly.h"
3151
3152#ifdef PERL_MAD
3153struct nexttoken {
3154 YYSTYPE next_val; /* value of next token, if any */
3155 I32 next_type; /* type of next token */
3156 MADPROP *next_mad; /* everything else about that token */
3157};
3158#endif
3159
378cc40b 3160#include "regexp.h"
79072805 3161#include "sv.h"
378cc40b 3162#include "util.h"
8d063cd8 3163#include "form.h"
79072805 3164#include "gv.h"
dd2155a4 3165#include "pad.h"
79072805 3166#include "cv.h"
abdd5c84 3167#include "opnames.h"
79072805 3168#include "op.h"
b3ca2e83 3169#include "hv.h"
79072805
LW		 3170#include "cop.h"
3171#include "av.h"
79072805
LW		 3172#include "mg.h"
3173#include "scope.h"
4438c4b7 3174#include "warnings.h"
a0ed51b3 3175#include "utf8.h"
8d063cd8 3176
7fae4e64
GS		 3177
3178typedef struct _sublex_info SUBLEXINFO;
3179struct _sublex_info {
3180 I32 super_state; /* lexer state to save */
3181 I32 sub_inwhat; /* "lex_inwhat" to use */
3182 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 3183 char *super_bufptr; /* PL_bufptr that was */
3184 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 3185};
3186
455ece5e 3187typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3188
2c2d71f5 3189struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3190struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3191
6f51351d
NC		 3192/* Keep next first in this structure, because sv_free_arenas take
3193 advantage of this to share code between the pte arenas and the SV
3194 body arenas */
5f7fde29
GS		 3195struct ptr_tbl_ent {
3196 struct ptr_tbl_ent* next;
53c1dcc0 3197 const void* oldval;
5f7fde29 3198 void* newval;
d18c6117
GS		 3199};
3200
5f7fde29
GS		 3201struct ptr_tbl {
3202 struct ptr_tbl_ent** tbl_ary;
3203 UV tbl_max;
3204 UV tbl_items;
d18c6117
GS		 3205};
3206
450a55e4 3207#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3208# define I286
3209#endif
3210
fe14fcc3
LW		 3211#if defined(htonl) && !defined(HAS_HTONL)
3212#define HAS_HTONL
ae986130 3213#endif
fe14fcc3
LW		 3214#if defined(htons) && !defined(HAS_HTONS)
3215#define HAS_HTONS
ae986130 3216#endif
fe14fcc3
LW		 3217#if defined(ntohl) && !defined(HAS_NTOHL)
3218#define HAS_NTOHL
ae986130 3219#endif
fe14fcc3
LW		 3220#if defined(ntohs) && !defined(HAS_NTOHS)
3221#define HAS_NTOHS
ae986130 3222#endif
fe14fcc3 3223#ifndef HAS_HTONL
d9d8d8de 3224#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3225#define HAS_HTONS
3226#define HAS_HTONL
3227#define HAS_NTOHS
3228#define HAS_NTOHL
a687059c
LW		 3229#define MYSWAP
3230#define htons my_swap
3231#define htonl my_htonl
3232#define ntohs my_swap
3233#define ntohl my_ntohl
3234#endif
3235#else
d9d8d8de 3236#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3237#undef HAS_HTONS
3238#undef HAS_HTONL
3239#undef HAS_NTOHS
3240#undef HAS_NTOHL
a687059c
LW		 3241#endif
3242#endif
3243
988174c1
LW		 3244/*
3245 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3246 * -DWS
3247 */
3248#if BYTEORDER != 0x1234
3249# define HAS_VTOHL
3250# define HAS_VTOHS
3251# define HAS_HTOVL
3252# define HAS_HTOVS
c67712b2 3253# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3254# define vtohl(x) ((((x)&0xFF)<<24) \
3255 +(((x)>>24)&0xFF) \
3256 +(((x)&0x0000FF00)<<8) \
3257 +(((x)&0x00FF0000)>>8) )
3258# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3259# define htovl(x) vtohl(x)
3260# define htovs(x) vtohs(x)
3261# endif
3262 /* otherwise default to functions in util.c */
2a8c3029 3263#ifndef htovs
c623ac67
GS		 3264short htovs(short n);
3265short vtohs(short n);
3266long htovl(long n);
3267long vtohl(long n);
988174c1 3268#endif
2a8c3029 3269#endif
988174c1 3270
3bb7c1b4
JH		 3271/* *MAX Plus 1. A floating point value.
3272 Hopefully expressed in a way that dodgy floating point can't mess up.
3273 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3274 is added to it
3275 May find that some broken compiler will want the value cast to I32.
3276 [after the shift, as signed >> may not be as secure as unsigned >>]
3277*/
3278#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3279#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3280/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3281 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3282 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3283*/
3284#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3285
3bb7c1b4
JH		 3286#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3287#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3288#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3289
3290/* This may look like unnecessary jumping through hoops, but converting
3291 out of range floating point values to integers *is* undefined behaviour,
3292 and it is starting to bite.
3293*/
3294#ifndef CAST_INLINE
65202027 3295#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3296#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3297#define I_V(what) (cast_iv((NV)(what)))
3298#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3299#else
3300#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3301 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3302 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3303#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3304 : ((n) < U32_MAX_P1 ? (U32) (n) \
3305 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3306#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3307 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3308 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3309#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3310 : ((n) < UV_MAX_P1 ? (UV) (n) \
3311 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3312#endif
3313
3314#define U_S(what) ((U16)U_32(what))
3315#define U_I(what) ((unsigned int)U_32(what))
3316#define U_L(what) U_32(what)
ed6116ce 3317
2d4389e4
JH		 3318/* These do not care about the fractional part, only about the range. */
3319#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3320#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3321
25da4f38
IZ		 3322/* Used with UV/IV arguments: */
3323 /* XXXX: need to speed it up */
3324#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3325#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3326
352d5a3a
LW		 3327#ifndef MAXSYSFD
3328# define MAXSYSFD 2
3329#endif
ee0007ab 3330
79072805 3331#ifndef __cplusplus
27da23d5 3332#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3333Uid_t getuid (void);
3334Uid_t geteuid (void);
3335Gid_t getgid (void);
3336Gid_t getegid (void);
79072805 3337#endif
e1caacb4 3338#endif
8d063cd8 3339
0c30d9ec 3340#ifndef Perl_debug_log
bf49b057
GS		 3341# define Perl_debug_log PerlIO_stderr()
3342#endif
3343
3344#ifndef Perl_error_log
3345# define Perl_error_log (PL_stderrgv \
6b78add2 3346 && isGV(PL_stderrgv) \
01bb7c6d 3347 && GvIOp(PL_stderrgv) \
42de951c 3348 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3349 ? IoOFP(GvIOp(PL_stderrgv)) \
3350 : PerlIO_stderr())
0c30d9ec 3351#endif
3967c732 3352
aea4f609
DM		 3353
3354#define DEBUG_p_FLAG 0x00000001 /* 1 */
3355#define DEBUG_s_FLAG 0x00000002 /* 2 */
3356#define DEBUG_l_FLAG 0x00000004 /* 4 */
3357#define DEBUG_t_FLAG 0x00000008 /* 8 */
3358#define DEBUG_o_FLAG 0x00000010 /* 16 */
3359#define DEBUG_c_FLAG 0x00000020 /* 32 */
3360#define DEBUG_P_FLAG 0x00000040 /* 64 */
3361#define DEBUG_m_FLAG 0x00000080 /* 128 */
3362#define DEBUG_f_FLAG 0x00000100 /* 256 */
3363#define DEBUG_r_FLAG 0x00000200 /* 512 */
3364#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3365#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 3366 /* spare */
aea4f609
DM		 3367#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3368#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3369#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3370#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3371#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3372#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3373#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3374#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3375#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3376#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3377#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3378#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3379
3380#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3381#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3382 that something was done? */
aea4f609 3383
bd16a5f0
IZ		 3384# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3385# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3386# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3387# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3388# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3389# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3390# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3391# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3392# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3393# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3394# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3395# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 3396# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3397# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3398# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3399# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3400# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3401# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3402# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3403# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3404# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3405# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3406# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3407# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3408
3967c732 3409#ifdef DEBUGGING
aea4f609 3410
bd16a5f0
IZ		 3411# define DEBUG_p_TEST DEBUG_p_TEST_
3412# define DEBUG_s_TEST DEBUG_s_TEST_
3413# define DEBUG_l_TEST DEBUG_l_TEST_
3414# define DEBUG_t_TEST DEBUG_t_TEST_
3415# define DEBUG_o_TEST DEBUG_o_TEST_
3416# define DEBUG_c_TEST DEBUG_c_TEST_
3417# define DEBUG_P_TEST DEBUG_P_TEST_
3418# define DEBUG_m_TEST DEBUG_m_TEST_
3419# define DEBUG_f_TEST DEBUG_f_TEST_
3420# define DEBUG_r_TEST DEBUG_r_TEST_
3421# define DEBUG_x_TEST DEBUG_x_TEST_
3422# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 3423# define DEBUG_H_TEST DEBUG_H_TEST_
3424# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3425# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3426# define DEBUG_D_TEST DEBUG_D_TEST_
3427# define DEBUG_S_TEST DEBUG_S_TEST_
3428# define DEBUG_T_TEST DEBUG_T_TEST_
3429# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3430# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3431# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3432# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3433# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3434# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3435
488b0c7a
JH		 3436# define PERL_DEB(a) a
3437# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3438# define DEBUG_p(a) if (DEBUG_p_TEST) a
3439# define DEBUG_s(a) if (DEBUG_s_TEST) a
3440# define DEBUG_l(a) if (DEBUG_l_TEST) a
3441# define DEBUG_t(a) if (DEBUG_t_TEST) a
3442# define DEBUG_o(a) if (DEBUG_o_TEST) a
3443# define DEBUG_c(a) if (DEBUG_c_TEST) a
3444# define DEBUG_P(a) if (DEBUG_P_TEST) a
3445
969058bb
VK		 3446 /* Temporarily turn off memory debugging in case the a
3447 * does memory allocation, either directly or indirectly. */
acfe0abc 3448# define DEBUG_m(a) \
0b250b9e 3449 STMT_START { \
aea4f609 3450 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3451 } STMT_END
aea4f609 3452
5f80b19c
AMS		 3453# define DEBUG__(t, a) \
3454 STMT_START { \
3455 if (t) STMT_START {a;} STMT_END; \
3456 } STMT_END
3457
3458# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3459# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3460# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3461# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 3462# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3463# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3464# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3465# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3466
3db8f154 3467# define DEBUG_S(a)
aea4f609 3468
5f80b19c
AMS		 3469# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3470# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3471# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3472# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3473# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3474# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3475
3476#else /* DEBUGGING */
3477
3478# define DEBUG_p_TEST (0)
3479# define DEBUG_s_TEST (0)
3480# define DEBUG_l_TEST (0)
3481# define DEBUG_t_TEST (0)
3482# define DEBUG_o_TEST (0)
3483# define DEBUG_c_TEST (0)
3484# define DEBUG_P_TEST (0)
3485# define DEBUG_m_TEST (0)
3486# define DEBUG_f_TEST (0)
3487# define DEBUG_r_TEST (0)
3488# define DEBUG_x_TEST (0)
3489# define DEBUG_u_TEST (0)
aea4f609
DM		 3490# define DEBUG_H_TEST (0)
3491# define DEBUG_X_TEST (0)
dd2155a4 3492# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3493# define DEBUG_D_TEST (0)
3494# define DEBUG_S_TEST (0)
3495# define DEBUG_T_TEST (0)
04932ac8 3496# define DEBUG_R_TEST (0)
1045810a 3497# define DEBUG_J_TEST (0)
d6721266 3498# define DEBUG_v_TEST (0)
46187eeb 3499# define DEBUG_C_TEST (0)
ecae49c0
NC		 3500# define DEBUG_A_TEST (0)
3501# define DEBUG_q_TEST (0)
aea4f609 3502
488b0c7a
JH		 3503# define PERL_DEB(a)
3504# define PERL_DEBUG(a)
aea4f609
DM		 3505# define DEBUG_p(a)
3506# define DEBUG_s(a)
3507# define DEBUG_l(a)
3508# define DEBUG_t(a)
3509# define DEBUG_o(a)
3510# define DEBUG_c(a)
3511# define DEBUG_P(a)
3512# define DEBUG_m(a)
3513# define DEBUG_f(a)
3514# define DEBUG_r(a)
3515# define DEBUG_x(a)
3516# define DEBUG_u(a)
aea4f609
DM		 3517# define DEBUG_H(a)
3518# define DEBUG_X(a)
dd2155a4 3519# define DEBUG_Xv(a)
aea4f609
DM		 3520# define DEBUG_D(a)
3521# define DEBUG_S(a)
3522# define DEBUG_T(a)
04932ac8 3523# define DEBUG_R(a)
d6721266 3524# define DEBUG_v(a)
46187eeb 3525# define DEBUG_C(a)
ecae49c0
NC		 3526# define DEBUG_A(a)
3527# define DEBUG_q(a)
aea4f609
DM		 3528#endif /* DEBUGGING */
3529
3530
b4ab917c
DM		 3531#define DEBUG_SCOPE(where) \
3532 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3533 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3534
3535
3536
3537
d1be9408 3538/* These constants should be used in preference to raw characters
14befaf4
DM		 3539 * when using magic. Note that some perl guts still assume
3540 * certain character properties of these constants, namely that
3541 * isUPPER() and toLOWER() may do useful mappings.
3542 *
3543 * Update the magic_names table in dump.c when adding/amending these
3544 */
3545
3546#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3547#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3548#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3549#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3550#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3551#define PERL_MAGIC_regdata 'D' /* Regex match position data
3552 (@+ and @- vars) */
3553#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3554#define PERL_MAGIC_env 'E' /* %ENV hash */
3555#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3556#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3557#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC		 3558#define PERL_MAGIC_hints 'H' /* %^H hash */
3559#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM		 3560#define PERL_MAGIC_isa 'I' /* @ISA array */
3561#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3562#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3563#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3564#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3565#define PERL_MAGIC_mutex 'm' /* for lock op */
3566#define PERL_MAGIC_shared 'N' /* Shared between threads */
3567#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3568#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3569#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3570#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3571#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3572#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3573#define PERL_MAGIC_sig 'S' /* %SIG hash */
3574#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3575#define PERL_MAGIC_taint 't' /* Taintedness */
3576#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3577#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3578#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3579#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3580#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3581#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3582#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3583 smart parameter vivification */
14befaf4
DM		 3584#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3585#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3586#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3587#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3588#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3589#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3590#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3591
3592
a6e633de 3593#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3594#define assert(what) PERL_DEB( \
3595 ((what) ? ((void) 0) : \
67eb4d30 3596 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3597 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3598 (void) 0)))
a446a88f 3599#endif
8d063cd8 3600
450a55e4 3601struct ufuncs {
24f81a43
DM		 3602 I32 (*uf_val)(pTHX_ IV, SV*);
3603 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3604 IV uf_index;
450a55e4
LW		 3605};
3606
14befaf4 3607/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3608 * XS code wanting to be backward compatible can do something
3609 * like the following:
c745e42c 3610
24f81a43 3611#ifndef PERL_MG_UFUNC
24f81a43
DM		 3612#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3613#endif
3614
3615static PERL_MG_UFUNC(foo_get, index, val)
3616{
3617 sv_setsv(val, ...);
3618 return TRUE;
3619}
3620
3621-- Doug MacEachern
3622
3623*/
3624
fc9c74e6 3625#ifndef PERL_MG_UFUNC
24f81a43 3626#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3627#endif
24f81a43 3628
fe14fcc3 3629/* Fix these up for __STDC__ */
68dc0745 3630#ifndef DONT_DECLARE_STD
20ce7b12 3631char *mktemp (char*);
37bd1396 3632#ifndef atof
20ce7b12 3633double atof (const char*);
a0d0e21e 3634#endif
37bd1396 3635#endif
79072805 3636
352d5a3a 3637#ifndef STANDARD_C
fe14fcc3 3638/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3639Time_t time();
8d063cd8 3640struct tm *gmtime(), *localtime();
092bebab 3641#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3642char *(strchr)(), *(strrchr)();
3643char *(strcpy)(), *(strcat)();
3644#else
93a17b20 3645char *strchr(), *strrchr();
378cc40b 3646char *strcpy(), *strcat();
9d116dd7 3647#endif
352d5a3a 3648#endif /* ! STANDARD_C */
8d063cd8 3649
79072805
LW		 3650
3651#ifdef I_MATH
3652# include <math.h>
3653#else
32f822de 3654START_EXTERN_C
20ce7b12
GS		 3655 double exp (double);
3656 double log (double);
3657 double log10 (double);
3658 double sqrt (double);
3659 double frexp (double,int*);
3660 double ldexp (double,int);
3661 double modf (double,double*);
3662 double sin (double);
3663 double cos (double);
3664 double atan2 (double,double);
3665 double pow (double,double);
32f822de 3666END_EXTERN_C
79072805
LW		 3667#endif
3668
aa8b85de
JH		 3669#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3670# define NV_INF LDBL_INFINITY
3671#endif
3672#if !defined(NV_INF) && defined(DBL_INFINITY)
3673# define NV_INF (NV)DBL_INFINITY
3674#endif
3675#if !defined(NV_INF) && defined(INFINITY)
3676# define NV_INF (NV)INFINITY
3677#endif
3678#if !defined(NV_INF) && defined(INF)
3679# define NV_INF (NV)INF
3680#endif
3681#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3682# define NV_INF (NV)HUGE_VALL
3683#endif
3684#if !defined(NV_INF) && defined(HUGE_VAL)
3685# define NV_INF (NV)HUGE_VAL
3686#endif
3687
3688#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3689# if !defined(NV_NAN) && defined(LDBL_NAN)
3690# define NV_NAN LDBL_NAN
3691# endif
3692# if !defined(NV_NAN) && defined(LDBL_QNAN)
3693# define NV_NAN LDBL_QNAN
3694# endif
3695# if !defined(NV_NAN) && defined(LDBL_SNAN)
3696# define NV_NAN LDBL_SNAN
3697# endif
3698#endif
3699#if !defined(NV_NAN) && defined(DBL_NAN)
3700# define NV_NAN (NV)DBL_NAN
3701#endif
3702#if !defined(NV_NAN) && defined(DBL_QNAN)
3703# define NV_NAN (NV)DBL_QNAN
3704#endif
3705#if !defined(NV_NAN) && defined(DBL_SNAN)
3706# define NV_NAN (NV)DBL_SNAN
3707#endif
3708#if !defined(NV_NAN) && defined(QNAN)
3709# define NV_NAN (NV)QNAN
3710#endif
3711#if !defined(NV_NAN) && defined(SNAN)
3712# define NV_NAN (NV)SNAN
3713#endif
3714#if !defined(NV_NAN) && defined(NAN)
3715# define NV_NAN (NV)NAN
3716#endif
3717
a0d0e21e 3718#ifndef __cplusplus
8f1f23e8 3719# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3720char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3721# else
fd8cd3a3 3722# if !defined(WIN32) && !defined(VMS)
10bc17b6 3723#ifndef crypt
20ce7b12 3724char *crypt (const char*, const char*);
10bc17b6 3725#endif
5014db98 3726# endif /* !WIN32 */
8f1f23e8 3727# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3728# ifndef DONT_DECLARE_STD
3729# ifndef getenv
20ce7b12 3730char *getenv (const char*);
26618a56 3731# endif /* !getenv */
28ca6303 3732# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3733# ifdef _FILE_OFFSET_BITS
28ca6303 3734# if _FILE_OFFSET_BITS == 64
20ce7b12 3735Off_t lseek (int,Off_t,int);
0fc67700
JH		 3736# endif
3737# endif
bf0c440f 3738# endif
26618a56 3739# endif /* !DONT_DECLARE_STD */
10bc17b6 3740#ifndef getlogin
20ce7b12 3741char *getlogin (void);
10bc17b6 3742#endif
26618a56 3743#endif /* !__cplusplus */
79072805 3744
7a7fd8e0
JM		 3745/* Fixme on VMS. This needs to be a run-time, not build time options */
3746/* Also rename() is affected by this */
16d20bd9 3747#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3748#define UNLINK unlnk
083639a9 3749I32 unlnk (pTHX_ const char*);
8d063cd8 3750#else
80252599 3751#define UNLINK PerlLIO_unlink
8d063cd8 3752#endif
a687059c 3753
fa0a29af
JH		 3754/* some versions of glibc are missing the setresuid() proto */
3755#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3756int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3757#endif
fa0a29af
JH		 3758/* some versions of glibc are missing the setresgid() proto */
3759#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3760int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3761#endif
3762
fe14fcc3 3763#ifndef HAS_SETREUID
85e6fe83
LW		 3764# ifdef HAS_SETRESUID
3765# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3766# define HAS_SETREUID
3767# endif
a687059c 3768#endif
fe14fcc3 3769#ifndef HAS_SETREGID
85e6fe83
LW		 3770# ifdef HAS_SETRESGID
3771# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3772# define HAS_SETREGID
3773# endif
a687059c 3774#endif
ee0007ab 3775
d543acb6 3776/* Sighandler_t defined in iperlsys.h */
ff68c719 3777
3778#ifdef HAS_SIGACTION
3779typedef struct sigaction Sigsave_t;
3780#else
3781typedef Sighandler_t Sigsave_t;
3782#endif
3783
ee0007ab
LW		 3784#define SCAN_DEF 0
3785#define SCAN_TR 1
3786#define SCAN_REPL 2
79072805
LW		 3787
3788#ifdef DEBUGGING
4633a7c4 3789# ifndef register
a0d0e21e
LW		 3790# define register
3791# endif
cea2e8a9 3792# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3793#else
cea2e8a9 3794# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3795#endif
3796
18f739ee 3797#ifdef MYMALLOC
772fe5b3 3798# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3799# define MALLOC_INIT \
3800 STMT_START { \
3801 PL_malloc_mutex = NULL; \
3802 MUTEX_INIT(&PL_malloc_mutex); \
3803 } STMT_END
3804# define MALLOC_TERM \
3805 STMT_START { \
3806 perl_mutex tmp = PL_malloc_mutex; \
3807 PL_malloc_mutex = NULL; \
3808 MUTEX_DESTROY(&tmp); \
3809 } STMT_END
3810# else
3811# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3812# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3813# endif
18f739ee
IZ		 3814#else
3815# define MALLOC_INIT
3816# define MALLOC_TERM
3817#endif
3818
cd1541b2 3819#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 3820
3821struct perl_memory_debug_header;
cd1541b2
NC		 3822struct perl_memory_debug_header {
3823 tTHX interpreter;
3824# ifdef PERL_POISON
3825 MEM_SIZE size;
cd1541b2 3826# endif
7cb608b5
NC		 3827 struct perl_memory_debug_header *prev;
3828 struct perl_memory_debug_header *next;
cd1541b2
NC		 3829};
3830
3831# define sTHX (sizeof(struct perl_memory_debug_header) + \
3832 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
3833 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
3834
3835#endif
3836
7cb608b5
NC		 3837#ifdef PERL_TRACK_MEMPOOL
3838# define INIT_TRACK_MEMPOOL(header, interp) \
3839 STMT_START { \
3840 (header).interpreter = (interp); \
3841 (header).prev = (header).next = &(header); \
3842 } STMT_END
3843# else
3844# define INIT_TRACK_MEMPOOL(header, interp)
3845#endif
3846
b6d9d515 3847
0cb96387 3848typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3849typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3850typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3851typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3852
940cb80d 3853/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3854#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3855
8f1f23e8
W		 3856/* NeXT has problems with crt0.o globals */
3857#if defined(__DYNAMIC__) && \
6239f2da 3858 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3859# if defined(NeXT) || defined(__NeXT)
3860# include <mach-o/dyld.h>
3861# define environ (*environ_pointer)
0c30d9ec 3862EXT char *** environ_pointer;
8f1f23e8 3863# else
6239f2da 3864# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3865# include <crt_externs.h> /* for the env array */
3866# define environ (*_NSGetEnviron())
3867# endif
0c30d9ec 3868# endif
8f1f23e8
W		 3869#else
3870 /* VMS and some other platforms don't use the environ array */
13b6e58c 3871# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3872# if !defined(DONT_DECLARE_STD) || \
3873 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3874 defined(__sgi) || \
d460ef45 3875 defined(__DGUX)
8f1f23e8 3876extern char ** environ; /* environment variables supplied via exec */
a6c40364 3877# endif
8f1f23e8
W		 3878# endif
3879#endif
79072805 3880
73c4f7a1
GS		 3881START_EXTERN_C
3882
79072805 3883/* handy constants */
22c35a8c 3884EXTCONST char PL_warn_uninit[]
29489e7c 3885 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3886EXTCONST char PL_warn_nosemi[]
463ee0b2 3887 INIT("Semicolon seems to be missing");
22c35a8c 3888EXTCONST char PL_warn_reserved[]
463ee0b2 3889 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3890EXTCONST char PL_warn_nl[]
93a17b20 3891 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3892EXTCONST char PL_no_wrongref[]
a0d0e21e 3893 INIT("Can't use %s ref as %s ref");
22c35a8c 3894EXTCONST char PL_no_symref[]
748a9306 3895 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3896EXTCONST char PL_no_symref_sv[]
014ead4b 3897 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3898EXTCONST char PL_no_usym[]
8990e307 3899 INIT("Can't use an undefined value as %s reference");
22c35a8c 3900EXTCONST char PL_no_aelem[]
93a17b20 3901 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC		 3902EXTCONST char PL_no_helem_sv[]
3903 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3904EXTCONST char PL_no_modify[]
93a17b20 3905 INIT("Modification of a read-only value attempted");
22c35a8c 3906EXTCONST char PL_no_mem[]
93a17b20 3907 INIT("Out of memory!\n");
22c35a8c 3908EXTCONST char PL_no_security[]
463ee0b2 3909 INIT("Insecure dependency in %s%s");
22c35a8c 3910EXTCONST char PL_no_sock_func[]
93a17b20 3911 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3912EXTCONST char PL_no_dir_func[]
93a17b20 3913 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3914EXTCONST char PL_no_func[]
93a17b20 3915 INIT("The %s function is unimplemented");
22c35a8c 3916EXTCONST char PL_no_myglob[]
952306ac 3917 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 3918EXTCONST char PL_no_localize_ref[]
3919 INIT("Can't localize through a reference");
27d5b266
JH		 3920EXTCONST char PL_memory_wrap[]
3921 INIT("panic: memory wrap");
93a17b20 3922
7575fa06 3923EXTCONST char PL_uuemap[65]
80252599
GS		 3924 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3925
3926
79072805 3927#ifdef DOINIT
27da23d5
JH		 3928EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3929EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3930#else
27da23d5
JH		 3931EXTCONST char* const PL_sig_name[];
3932EXTCONST int PL_sig_num[];
79072805
LW		 3933#endif
3934
3bd709b1 3935/* fast conversion and case folding tables */
bbce6d69 3936
79072805 3937#ifdef DOINIT
9d116dd7 3938#ifdef EBCDIC
27da23d5 3939EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3940 0, 1, 2, 3, 4, 5, 6, 7,
3941 8, 9, 10, 11, 12, 13, 14, 15,
3942 16, 17, 18, 19, 20, 21, 22, 23,
3943 24, 25, 26, 27, 28, 29, 30, 31,
3944 32, 33, 34, 35, 36, 37, 38, 39,
3945 40, 41, 42, 43, 44, 45, 46, 47,
3946 48, 49, 50, 51, 52, 53, 54, 55,
3947 56, 57, 58, 59, 60, 61, 62, 63,
3948 64, 65, 66, 67, 68, 69, 70, 71,
3949 72, 73, 74, 75, 76, 77, 78, 79,
3950 80, 81, 82, 83, 84, 85, 86, 87,
3951 88, 89, 90, 91, 92, 93, 94, 95,
3952 96, 97, 98, 99, 100, 101, 102, 103,
3953 104, 105, 106, 107, 108, 109, 110, 111,
3954 112, 113, 114, 115, 116, 117, 118, 119,
3955 120, 121, 122, 123, 124, 125, 126, 127,
3956 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3957 'H', 'I', 138, 139, 140, 141, 142, 143,
3958 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3959 'Q', 'R', 154, 155, 156, 157, 158, 159,
3960 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3961 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3962 176, 177, 178, 179, 180, 181, 182, 183,
3963 184, 185, 186, 187, 188, 189, 190, 191,
3964 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3965 'h', 'i', 202, 203, 204, 205, 206, 207,
3966 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3967 'q', 'r', 218, 219, 220, 221, 222, 223,
3968 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3969 'y', 'z', 234, 235, 236, 237, 238, 239,
3970 240, 241, 242, 243, 244, 245, 246, 247,
3971 248, 249, 250, 251, 252, 253, 254, 255
3972};
3973#else /* ascii rather than ebcdic */
22c35a8c 3974EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3975 0, 1, 2, 3, 4, 5, 6, 7,
3976 8, 9, 10, 11, 12, 13, 14, 15,
3977 16, 17, 18, 19, 20, 21, 22, 23,
3978 24, 25, 26, 27, 28, 29, 30, 31,
3979 32, 33, 34, 35, 36, 37, 38, 39,
3980 40, 41, 42, 43, 44, 45, 46, 47,
3981 48, 49, 50, 51, 52, 53, 54, 55,
3982 56, 57, 58, 59, 60, 61, 62, 63,
3983 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3984 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3985 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3986 'x', 'y', 'z', 91, 92, 93, 94, 95,
3987 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3988 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3989 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3990 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3991 128, 129, 130, 131, 132, 133, 134, 135,
3992 136, 137, 138, 139, 140, 141, 142, 143,
3993 144, 145, 146, 147, 148, 149, 150, 151,
3994 152, 153, 154, 155, 156, 157, 158, 159,
3995 160, 161, 162, 163, 164, 165, 166, 167,
3996 168, 169, 170, 171, 172, 173, 174, 175,
3997 176, 177, 178, 179, 180, 181, 182, 183,
3998 184, 185, 186, 187, 188, 189, 190, 191,
3999 192, 193, 194, 195, 196, 197, 198, 199,
4000 200, 201, 202, 203, 204, 205, 206, 207,
4001 208, 209, 210, 211, 212, 213, 214, 215,
4002 216, 217, 218, 219, 220, 221, 222, 223,
4003 224, 225, 226, 227, 228, 229, 230, 231,
4004 232, 233, 234, 235, 236, 237, 238, 239,
4005 240, 241, 242, 243, 244, 245, 246, 247,
4006 248, 249, 250, 251, 252, 253, 254, 255
4007};
9d116dd7 4008#endif /* !EBCDIC */
79072805 4009#else
22c35a8c 4010EXTCONST unsigned char PL_fold[];
79072805
LW		 4011#endif
4012
27da23d5 4013#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4014#ifdef DOINIT
27da23d5 4015EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4016 0, 1, 2, 3, 4, 5, 6, 7,
4017 8, 9, 10, 11, 12, 13, 14, 15,
4018 16, 17, 18, 19, 20, 21, 22, 23,
4019 24, 25, 26, 27, 28, 29, 30, 31,
4020 32, 33, 34, 35, 36, 37, 38, 39,
4021 40, 41, 42, 43, 44, 45, 46, 47,
4022 48, 49, 50, 51, 52, 53, 54, 55,
4023 56, 57, 58, 59, 60, 61, 62, 63,
4024 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4025 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4026 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4027 'x', 'y', 'z', 91, 92, 93, 94, 95,
4028 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4029 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4030 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4031 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4032 128, 129, 130, 131, 132, 133, 134, 135,
4033 136, 137, 138, 139, 140, 141, 142, 143,
4034 144, 145, 146, 147, 148, 149, 150, 151,
4035 152, 153, 154, 155, 156, 157, 158, 159,
4036 160, 161, 162, 163, 164, 165, 166, 167,
4037 168, 169, 170, 171, 172, 173, 174, 175,
4038 176, 177, 178, 179, 180, 181, 182, 183,
4039 184, 185, 186, 187, 188, 189, 190, 191,
4040 192, 193, 194, 195, 196, 197, 198, 199,
4041 200, 201, 202, 203, 204, 205, 206, 207,
4042 208, 209, 210, 211, 212, 213, 214, 215,
4043 216, 217, 218, 219, 220, 221, 222, 223,
4044 224, 225, 226, 227, 228, 229, 230, 231,
4045 232, 233, 234, 235, 236, 237, 238, 239,
4046 240, 241, 242, 243, 244, 245, 246, 247,
4047 248, 249, 250, 251, 252, 253, 254, 255
4048};
4049#else
27da23d5 4050EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4051#endif
27da23d5 4052#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4053
4054#ifdef DOINIT
9d116dd7 4055#ifdef EBCDIC
27da23d5 4056EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4057 1, 2, 84, 151, 154, 155, 156, 157,
4058 165, 246, 250, 3, 158, 7, 18, 29,
4059 40, 51, 62, 73, 85, 96, 107, 118,
4060 129, 140, 147, 148, 149, 150, 152, 153,
4061 255, 6, 8, 9, 10, 11, 12, 13,
4062 14, 15, 24, 25, 26, 27, 28, 226,
4063 29, 30, 31, 32, 33, 43, 44, 45,
4064 46, 47, 48, 49, 50, 76, 77, 78,
4065 79, 80, 81, 82, 83, 84, 85, 86,
4066 87, 94, 95, 234, 181, 233, 187, 190,
4067 180, 96, 97, 98, 99, 100, 101, 102,
4068 104, 112, 182, 174, 236, 232, 229, 103,
4069 228, 226, 114, 115, 116, 117, 118, 119,
4070 120, 121, 122, 235, 176, 230, 194, 162,
4071 130, 131, 132, 133, 134, 135, 136, 137,
4072 138, 139, 201, 205, 163, 217, 220, 224,
4073 5, 248, 227, 244, 242, 255, 241, 231,
4074 240, 253, 16, 197, 19, 20, 21, 187,
4075 23, 169, 210, 245, 237, 249, 247, 239,
4076 168, 252, 34, 196, 36, 37, 38, 39,
4077 41, 42, 251, 254, 238, 223, 221, 213,
4078 225, 177, 52, 53, 54, 55, 56, 57,
4079 58, 59, 60, 61, 63, 64, 65, 66,
4080 67, 68, 69, 70, 71, 72, 74, 75,
4081 205, 208, 186, 202, 200, 218, 198, 179,
4082 178, 214, 88, 89, 90, 91, 92, 93,
4083 217, 166, 170, 207, 199, 209, 206, 204,
4084 160, 212, 105, 106, 108, 109, 110, 111,
4085 203, 113, 216, 215, 192, 175, 193, 243,
4086 172, 161, 123, 124, 125, 126, 127, 128,
4087 222, 219, 211, 195, 188, 193, 185, 184,
4088 191, 183, 141, 142, 143, 144, 145, 146
4089};
4090#else /* ascii rather than ebcdic */
22c35a8c 4091EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4092 1, 2, 84, 151, 154, 155, 156, 157,
4093 165, 246, 250, 3, 158, 7, 18, 29,
4094 40, 51, 62, 73, 85, 96, 107, 118,
4095 129, 140, 147, 148, 149, 150, 152, 153,
4096 255, 182, 224, 205, 174, 176, 180, 217,
4097 233, 232, 236, 187, 235, 228, 234, 226,
4098 222, 219, 211, 195, 188, 193, 185, 184,
4099 191, 183, 201, 229, 181, 220, 194, 162,
4100 163, 208, 186, 202, 200, 218, 198, 179,
4101 178, 214, 166, 170, 207, 199, 209, 206,
4102 204, 160, 212, 216, 215, 192, 175, 173,
4103 243, 172, 161, 190, 203, 189, 164, 230,
4104 167, 248, 227, 244, 242, 255, 241, 231,
4105 240, 253, 169, 210, 245, 237, 249, 247,
4106 239, 168, 252, 251, 254, 238, 223, 221,
4107 213, 225, 177, 197, 171, 196, 159, 4,
4108 5, 6, 8, 9, 10, 11, 12, 13,
4109 14, 15, 16, 17, 19, 20, 21, 22,
4110 23, 24, 25, 26, 27, 28, 30, 31,
4111 32, 33, 34, 35, 36, 37, 38, 39,
4112 41, 42, 43, 44, 45, 46, 47, 48,
4113 49, 50, 52, 53, 54, 55, 56, 57,
4114 58, 59, 60, 61, 63, 64, 65, 66,
4115 67, 68, 69, 70, 71, 72, 74, 75,
4116 76, 77, 78, 79, 80, 81, 82, 83,
4117 86, 87, 88, 89, 90, 91, 92, 93,
4118 94, 95, 97, 98, 99, 100, 101, 102,
4119 103, 104, 105, 106, 108, 109, 110, 111,
4120 112, 113, 114, 115, 116, 117, 119, 120,
4121 121, 122, 123, 124, 125, 126, 127, 128,
4122 130, 131, 132, 133, 134, 135, 136, 137,
4123 138, 139, 141, 142, 143, 144, 145, 146
4124};
9d116dd7 4125#endif
79072805 4126#else
22c35a8c 4127EXTCONST unsigned char PL_freq[];
79072805
LW		 4128#endif
4129
8990e307
LW		 4130#ifdef DEBUGGING
4131#ifdef DOINIT
27da23d5 4132EXTCONST char* const PL_block_type[] = {
8990e307
LW		 4133 "NULL",
4134 "SUB",
4135 "EVAL",
4136 "LOOP",
4137 "SUBST",
4138 "BLOCK",
0d863452
RH		 4139 "FORMAT",
4140 "GIVEN",
4141 "WHEN"
8990e307
LW		 4142};
4143#else
22c35a8c 4144EXTCONST char* PL_block_type[];
8990e307
LW		 4145#endif
4146#endif
4147
73c4f7a1
GS		 4148END_EXTERN_C
4149
79072805
LW		 4150/*****************************************************************************/
4151/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4152/*****************************************************************************/
8990e307 4153/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4154
d4c3c482 4155#ifdef __Lynx__
9cffb111
OS		 4156/* LynxOS defines these in scsi.h which is included via ioctl.h */
4157#ifdef FORMAT
4158#undef FORMAT
4159#endif
4160#ifdef SPACE
4161#undef SPACE
4162#endif
d4c3c482 4163#endif
9cffb111 4164
fb73857a 4165#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4166
79072805
LW		 4167typedef enum {
4168 XOPERATOR,
4169 XTERM,
79072805 4170 XREF,
8990e307 4171 XSTATE,
a0d0e21e 4172 XBLOCK,
09bef843
SB		 4173 XATTRBLOCK,
4174 XATTRTERM,
6f33ba73
RGS		 4175 XTERMBLOCK,
4176 XTERMORDORDOR /* evil hack */
27308ded 4177 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4178} expectation;
4179
dc9e4912
GS		 4180enum { /* pass one of these to get_vtbl */
4181 want_vtbl_sv,
4182 want_vtbl_env,
4183 want_vtbl_envelem,
4184 want_vtbl_sig,
4185 want_vtbl_sigelem,
4186 want_vtbl_pack,
4187 want_vtbl_packelem,
4188 want_vtbl_dbline,
4189 want_vtbl_isa,
4190 want_vtbl_isaelem,
4191 want_vtbl_arylen,
4192 want_vtbl_glob,
4193 want_vtbl_mglob,
4194 want_vtbl_nkeys,
4195 want_vtbl_taint,
4196 want_vtbl_substr,
4197 want_vtbl_vec,
4198 want_vtbl_pos,
4199 want_vtbl_bm,
4200 want_vtbl_fm,
4201 want_vtbl_uvar,
4202 want_vtbl_defelem,
4203 want_vtbl_regexp,
4204 want_vtbl_collxfrm,
4205 want_vtbl_amagic,
4206 want_vtbl_amagicelem,
dc9e4912 4207 want_vtbl_regdata,
810b8aa5 4208 want_vtbl_regdatum,
7e8c5dac 4209 want_vtbl_backref,
8d2f4536 4210 want_vtbl_utf8,
83bf042f 4211 want_vtbl_symtab,
b3ca2e83
NC		 4212 want_vtbl_arylen_p,
4213 want_vtbl_hintselem
dc9e4912
GS		 4214};
4215
d5ec2987
NC		 4216
4217/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4218 special and there is no need for HINT_PRIVATE_MASK for COPs
4219 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4220#define HINT_INTEGER 0x00000001 /* integer pragma */
4221#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4222#define HINT_LOCALE 0x00000004 /* locale pragma */
4223#define HINT_BYTES 0x00000008 /* bytes pragma */
7b0bddfa 4224#define HINT_ARYBASE 0x00000010 /* $[ is non-zero */
a0ed51b3 4225 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4226 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4227
4228#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4229#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4230#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 4231
9cfe5470 4232/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4233#define HINT_NEW_INTEGER 0x00001000
4234#define HINT_NEW_FLOAT 0x00002000
4235#define HINT_NEW_BINARY 0x00004000
4236#define HINT_NEW_STRING 0x00008000
4237#define HINT_NEW_RE 0x00010000
4238#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
11bcd5da 4239#define HINT_LEXICAL_IO 0x00040000 /* ${^OPEN} is set */
b3ac6de7 4240
9cfe5470
RGS		 4241#define HINT_RE_TAINT 0x00100000 /* re pragma */
4242#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4243
9cfe5470
RGS		 4244#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4245#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4246
8fa7688f 4247/* assertions pragma */
06492da6 4248#define HINT_ASSERTING 0x01000000
8fa7688f 4249#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 4250
0239f47c 4251/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4252#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4253#define HINT_SORT_QUICKSORT 0x00000001
4254#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4255#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4256
8bfdd7d9 4257/* Various states of the input record separator SV (rs) */
d4cce5f1 4258#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4259#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4260#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4261#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4262
128e8167 4263/* A struct for keeping various DEBUGGING related stuff,
ce333219 4264 * neatly packed. Currently only scratch variables for
128e8167
JH		 4265 * constructing debug output are included. Needed always,
4266 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4267struct perl_debug_pad {
4268 SV pad[3];
4269};
4270
4271#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4272#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4273 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4274 PERL_DEBUG_PAD(i))
ce333219 4275
56953603 4276/* Enable variables which are pointers to functions */
a2efc822 4277typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 4278typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
4279typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
4280 char* strend, char* strbeg, I32 minend,
4281 SV* screamer, void* data, U32 flags);
f722798b
IZ		 4282typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
4283 char *strpos, char *strend,
4284 U32 flags,
4285 struct re_scream_pos_data_s *d);
4286typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
4287typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 4288
c76ac1ee 4289typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 4290typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
4291typedef void (*SVFUNC_t) (pTHX_ SV*);
4292typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
4293typedef void (*XSINIT_t) (pTHX);
4294typedef void (*ATEXIT_t) (pTHX_ void*);
4295typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4296
22239a37
NIS		 4297/* Set up PERLVAR macros for populating structs */
4298#define PERLVAR(var,type) type var;
51371543 4299#define PERLVARA(var,n,type) type var[n];
22239a37 4300#define PERLVARI(var,type,init) type var;
3fe35a81 4301#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4302#define PERLVARISC(var,init) const char var[sizeof(init)];
4303
4304typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
4305typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 4306
58a50f62
GS		 4307/* Interpreter exitlist entry */
4308typedef struct exitlistentry {
acfe0abc 4309 void (*fn) (pTHX_ void*);
58a50f62
GS		 4310 void *ptr;
4311} PerlExitListEntry;
4312
aadb217d
JH		 4313/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4314/* These have to be before perlvars.h */
4315#if !defined(HAS_SIGACTION) && defined(VMS)
4316# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4317#endif
4318/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4319#if defined(KILL_BY_SIGPRC)
4320# define FAKE_DEFAULT_SIGNAL_HANDLERS
4321#endif
4322
22239a37
NIS		 4323#ifdef PERL_GLOBAL_STRUCT
4324struct perl_vars {
7766f137 4325# include "perlvars.h"
22239a37
NIS		 4326};
4327
7766f137 4328# ifdef PERL_CORE
27da23d5 4329# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4330EXT struct perl_vars PL_Vars;
4331EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4332# undef PERL_GET_VARS
4333# define PERL_GET_VARS() PL_VarsPtr
4334# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4335# else /* PERL_CORE */
4336# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4337EXT
7766f137 4338# endif /* WIN32 */
533c011a 4339struct perl_vars *PL_VarsPtr;
7766f137
GS		 4340# define PL_Vars (*((PL_VarsPtr) \
4341 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4342# endif /* PERL_CORE */
22239a37
NIS		 4343#endif /* PERL_GLOBAL_STRUCT */
4344
acfe0abc 4345#if defined(MULTIPLICITY)
d460ef45 4346/* If we have multiple interpreters define a struct
d4cce5f1 4347 holding variables which must be per-interpreter
d460ef45 4348 If we don't have threads anything that would have
d4cce5f1
NIS		 4349 be per-thread is per-interpreter.
4350*/
4351
79072805 4352struct interpreter {
3db8f154 4353# include "thrdvar.h"
7766f137
GS		 4354# include "intrpvar.h"
4355/*
4356 * The following is a buffer where new variables must
acfe0abc 4357 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 4358 */
4359PERLVARA(object_compatibility,30, char)
49f531da 4360};
d4cce5f1 4361
79072805 4362#else
49f531da
NIS		 4363struct interpreter {
4364 char broiled;
4365};
acfe0abc 4366#endif /* MULTIPLICITY */
79072805 4367
22fae026 4368typedef void *Thread;
22239a37
NIS		 4369
4370/* Done with PERLVAR macros for now ... */
d4cce5f1 4371#undef PERLVAR
51371543 4372#undef PERLVARA
d4cce5f1 4373#undef PERLVARI
3fe35a81 4374#undef PERLVARIC
27da23d5 4375#undef PERLVARISC
79072805 4376
f7fe979e 4377struct tempsym; /* defined in pp_pack.c */
49704364 4378
22239a37 4379#include "thread.h"
79072805 4380#include "pp.h"
864dbfa3
GS		 4381
4382#ifndef PERL_CALLCONV
4383# define PERL_CALLCONV
d460ef45 4384#endif
0cb96387
GS		 4385#undef PERL_CKDEF
4386#undef PERL_PPDEF
0159f81b
JH		 4387#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4388#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4389
7766f137 4390#include "proto.h"
864dbfa3 4391
0cb96387 4392/* this has structure inits, so it cannot be included before here */
acfe0abc 4393#include "opcode.h"
864dbfa3 4394
d4cce5f1
NIS		 4395/* The following must follow proto.h as #defines mess up syntax */
4396
22c35a8c
GS		 4397#if !defined(PERL_FOR_X2P)
4398# include "embedvar.h"
4399#endif
598921a7
NC		 4400#ifndef PERL_MAD
4401# undef PL_madskills
4402# undef PL_xmlfp
4403# define PL_madskills 0
4404# define PL_xmlfp 0
4405#endif
d4cce5f1 4406
d460ef45 4407/* Now include all the 'global' variables
d4cce5f1 4408 * If we don't have threads or multiple interpreters
d460ef45 4409 * these include variables that would have been their struct-s
d4cce5f1 4410 */
d460ef45 4411
533c011a 4412#define PERLVAR(var,type) EXT type PL_##var;
51371543 4413#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4414#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4415#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 4416#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 4417
acfe0abc 4418#if !defined(MULTIPLICITY)
7766f137 4419START_EXTERN_C
066ef5b5 4420# include "intrpvar.h"
3db8f154 4421# include "thrdvar.h"
7766f137 4422END_EXTERN_C
22239a37
NIS		 4423#endif
4424
acfe0abc 4425#if defined(WIN32)
66a93824 4426/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4427# include "embed.h"
eb8433b7
NC		 4428# ifndef PERL_MAD
4429# undef op_getmad
b3f24c00 4430# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 4431# endif
acfe0abc 4432#endif
22239a37 4433
c5be433b
GS		 4434#ifndef PERL_GLOBAL_STRUCT
4435START_EXTERN_C
4436
4437# include "perlvars.h"
4438
4439END_EXTERN_C
4440#endif
4441
d4cce5f1 4442#undef PERLVAR
51371543 4443#undef PERLVARA
d4cce5f1 4444#undef PERLVARI
0f3f18a6 4445#undef PERLVARIC
79072805 4446
73c4f7a1
GS		 4447START_EXTERN_C
4448
79072805 4449#ifdef DOINIT
2664ba31
AL		 4450# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT MGVTBL var = {a,b,c,d,e,f,g,h}
4451/* Like MGVTBL_SET but with the get magic having a const MG* */
4452# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT MGVTBL var \
4453 = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g,h}
4944113a 4454#else
2664ba31
AL		 4455# define MGVTBL_SET(var,a,b,c,d,e,f,g,h) EXT MGVTBL var
4456# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g,h) EXT MGVTBL var
4944113a
AL		 4457#endif
4458
4459MGVTBL_SET(
4460 PL_vtbl_sv,
4461 MEMBER_TO_FPTR(Perl_magic_get),
4462 MEMBER_TO_FPTR(Perl_magic_set),
4463 MEMBER_TO_FPTR(Perl_magic_len),
4464 NULL,
4465 NULL,
4466 NULL,
2664ba31 4467 NULL,
4944113a
AL		 4468 NULL
4469);
4470
4471MGVTBL_SET(
4472 PL_vtbl_env,
4473 NULL,
4474 MEMBER_TO_FPTR(Perl_magic_set_all_env),
4475 NULL,
4476 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
4477 NULL,
4478 NULL,
2664ba31 4479 NULL,
4944113a
AL		 4480 NULL
4481);
4482
4483MGVTBL_SET(
4484 PL_vtbl_envelem,
4485 NULL,
4486 MEMBER_TO_FPTR(Perl_magic_setenv),
4487 NULL,
4488 MEMBER_TO_FPTR(Perl_magic_clearenv),
4489 NULL,
4490 NULL,
2664ba31 4491 NULL,
4944113a
AL		 4492 NULL
4493);
4494
b3ca2e83 4495/* For now, hints magic will also use vtbl_sig, because it is all NULL */
4944113a
AL		 4496MGVTBL_SET(
4497 PL_vtbl_sig,
4498 NULL,
4499 NULL,
4500 NULL,
4501 NULL,
4502 NULL,
4503 NULL,
2664ba31 4504 NULL,
4944113a
AL		 4505 NULL
4506);
4507
9ba75e3c 4508#ifdef PERL_MICRO
4944113a
AL		 4509MGVTBL_SET(
4510 PL_vtbl_sigelem,
2664ba31
AL		 4511 NULL,
4512 NULL,
4513 NULL,
4514 NULL,
4515 NULL,
4516 NULL,
4517 NULL,
4518 NULL
9ba75e3c
DD		 4519);
4520
64ca3a65 4521#else
9ba75e3c
DD		 4522MGVTBL_SET(
4523 PL_vtbl_sigelem,
4944113a
AL		 4524 MEMBER_TO_FPTR(Perl_magic_getsig),
4525 MEMBER_TO_FPTR(Perl_magic_setsig),
4526 NULL,
4527 MEMBER_TO_FPTR(Perl_magic_clearsig),
4528 NULL,
4529 NULL,
2664ba31 4530 NULL,
4944113a 4531 NULL
4944113a 4532);
9ba75e3c 4533#endif
4944113a
AL		 4534
4535MGVTBL_SET(
4536 PL_vtbl_pack,
4537 NULL,
4538 NULL,
4539 MEMBER_TO_FPTR(Perl_magic_sizepack),
4540 MEMBER_TO_FPTR(Perl_magic_wipepack),
4541 NULL,
4542 NULL,
2664ba31 4543 NULL,
4944113a
AL		 4544 NULL
4545);
4546
4547MGVTBL_SET(
4548 PL_vtbl_packelem,
4549 MEMBER_TO_FPTR(Perl_magic_getpack),
4550 MEMBER_TO_FPTR(Perl_magic_setpack),
4551 NULL,
4552 MEMBER_TO_FPTR(Perl_magic_clearpack),
4553 NULL,
4554 NULL,
2664ba31 4555 NULL,
4944113a
AL		 4556 NULL
4557);
4558
4559MGVTBL_SET(
4560 PL_vtbl_dbline,
4561 NULL,
4562 MEMBER_TO_FPTR(Perl_magic_setdbline),
4563 NULL,
4564 NULL,
4565 NULL,
4566 NULL,
2664ba31 4567 NULL,
4944113a
AL		 4568 NULL
4569);
4570
4571MGVTBL_SET(
4572 PL_vtbl_isa,
4573 NULL,
4574 MEMBER_TO_FPTR(Perl_magic_setisa),
4575 NULL,
4576 MEMBER_TO_FPTR(Perl_magic_setisa),
4577 NULL,
4578 NULL,
2664ba31 4579 NULL,
4944113a
AL		 4580 NULL
4581);
4582
4583MGVTBL_SET(
4584 PL_vtbl_isaelem,
4585 NULL,
4586 MEMBER_TO_FPTR(Perl_magic_setisa),
4587 NULL,
4588 NULL,
4589 NULL,
4590 NULL,
2664ba31 4591 NULL,
4944113a
AL		 4592 NULL
4593);
4594
2e2109e1 4595MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 4596 PL_vtbl_arylen,
4597 MEMBER_TO_FPTR(Perl_magic_getarylen),
4598 MEMBER_TO_FPTR(Perl_magic_setarylen),
4599 NULL,
4600 NULL,
4601 NULL,
4602 NULL,
2664ba31 4603 NULL,
4944113a
AL		 4604 NULL
4605);
4606
4607MGVTBL_SET(
83bf042f
NC		 4608 PL_vtbl_arylen_p,
4609 NULL,
4610 NULL,
4611 NULL,
4612 NULL,
4613 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
4614 NULL,
2664ba31 4615 NULL,
83bf042f
NC		 4616 NULL
4617);
4618
4619MGVTBL_SET(
4944113a
AL		 4620 PL_vtbl_mglob,
4621 NULL,
4622 MEMBER_TO_FPTR(Perl_magic_setmglob),
4623 NULL,
4624 NULL,
4625 NULL,
4626 NULL,
2664ba31 4627 NULL,
4944113a
AL		 4628 NULL
4629);
4630
4631MGVTBL_SET(
4632 PL_vtbl_nkeys,
4633 MEMBER_TO_FPTR(Perl_magic_getnkeys),
4634 MEMBER_TO_FPTR(Perl_magic_setnkeys),
4635 NULL,
4636 NULL,
4637 NULL,
4638 NULL,
2664ba31 4639 NULL,
4944113a
AL		 4640 NULL
4641);
4642
4643MGVTBL_SET(
4644 PL_vtbl_taint,
4645 MEMBER_TO_FPTR(Perl_magic_gettaint),
4646 MEMBER_TO_FPTR(Perl_magic_settaint),
4647 NULL,
4648 NULL,
4649 NULL,
4650 NULL,
2664ba31 4651 NULL,
4944113a
AL		 4652 NULL
4653);
4654
4655MGVTBL_SET(
4656 PL_vtbl_substr,
4657 MEMBER_TO_FPTR(Perl_magic_getsubstr),
4658 MEMBER_TO_FPTR(Perl_magic_setsubstr),
4659 NULL,
4660 NULL,
4661 NULL,
4662 NULL,
2664ba31 4663 NULL,
4944113a
AL		 4664 NULL
4665);
4666
4667MGVTBL_SET(
4668 PL_vtbl_vec,
4669 MEMBER_TO_FPTR(Perl_magic_getvec),
4670 MEMBER_TO_FPTR(Perl_magic_setvec),
4671 NULL,
4672 NULL,
4673 NULL,
4674 NULL,
2664ba31 4675 NULL,
4944113a
AL		 4676 NULL
4677);
4678
4679MGVTBL_SET(
4680 PL_vtbl_pos,
4681 MEMBER_TO_FPTR(Perl_magic_getpos),
4682 MEMBER_TO_FPTR(Perl_magic_setpos),
4683 NULL,
4684 NULL,
4685 NULL,
4686 NULL,
2664ba31 4687 NULL,
4944113a
AL		 4688 NULL
4689);
4690
4691MGVTBL_SET(
4692 PL_vtbl_bm,
4693 NULL,
4694 MEMBER_TO_FPTR(Perl_magic_setbm),
4695 NULL,
4696 NULL,
4697 NULL,
4698 NULL,
2664ba31 4699 NULL,
4944113a
AL		 4700 NULL
4701);
4702
4703MGVTBL_SET(
4704 PL_vtbl_fm,
4705 NULL,
4706 MEMBER_TO_FPTR(Perl_magic_setfm),
4707 NULL,
4708 NULL,
4709 NULL,
4710 NULL,
2664ba31 4711 NULL,
4944113a
AL		 4712 NULL
4713);
4714
4715MGVTBL_SET(
4716 PL_vtbl_uvar,
4717 MEMBER_TO_FPTR(Perl_magic_getuvar),
4718 MEMBER_TO_FPTR(Perl_magic_setuvar),
4719 NULL,
4720 NULL,
4721 NULL,
4722 NULL,
2664ba31 4723 NULL,
4944113a
AL		 4724 NULL
4725);
4726
4727MGVTBL_SET(
4728 PL_vtbl_defelem,
4729 MEMBER_TO_FPTR(Perl_magic_getdefelem),
4730 MEMBER_TO_FPTR(Perl_magic_setdefelem),
4731 NULL,
4732 NULL,
4733 NULL,
4734 NULL,
2664ba31 4735 NULL,
4944113a
AL		 4736 NULL
4737);
4738
4739MGVTBL_SET(
4740 PL_vtbl_regexp,
4741 NULL,
4742 MEMBER_TO_FPTR(Perl_magic_setregexp),
4743 NULL,
4744 NULL,
4745 MEMBER_TO_FPTR(Perl_magic_freeregexp),
4746 NULL,
2664ba31 4747 NULL,
4944113a
AL		 4748 NULL
4749);
4750
4751MGVTBL_SET(
4752 PL_vtbl_regdata,
4753 NULL,
4754 NULL,
4755 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
4756 NULL,
4757 NULL,
4758 NULL,
2664ba31 4759 NULL,
4944113a
AL		 4760 NULL
4761);
4762
4763MGVTBL_SET(
4764 PL_vtbl_regdatum,
4765 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
4766 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
4767 NULL,
4768 NULL,
4769 NULL,
4770 NULL,
2664ba31 4771 NULL,
4944113a
AL		 4772 NULL
4773);
4774
4775MGVTBL_SET(
4776 PL_vtbl_amagic,
4777 NULL,
4778 MEMBER_TO_FPTR(Perl_magic_setamagic),
4779 NULL,
4780 NULL,
4781 MEMBER_TO_FPTR(Perl_magic_setamagic),
4782 NULL,
2664ba31 4783 NULL,
4944113a
AL		 4784 NULL
4785);
4786
4787MGVTBL_SET(
4788 PL_vtbl_amagicelem,
4789 NULL,
4790 MEMBER_TO_FPTR(Perl_magic_setamagic),
4791 NULL,
4792 NULL,
4793 MEMBER_TO_FPTR(Perl_magic_setamagic),
4794 NULL,
2664ba31 4795 NULL,
4944113a
AL		 4796 NULL
4797);
4798
4799MGVTBL_SET(
4800 PL_vtbl_backref,
4801 NULL,
4802 NULL,
4803 NULL,
4804 NULL,
4805 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
4806 NULL,
2664ba31 4807 NULL,
4944113a
AL		 4808 NULL
4809);
4810
4811MGVTBL_SET(
4812 PL_vtbl_ovrld,
4813 NULL,
4814 NULL,
4815 NULL,
4816 NULL,
4817 MEMBER_TO_FPTR(Perl_magic_freeovrld),
4818 NULL,
2664ba31 4819 NULL,
4944113a
AL		 4820 NULL
4821);
4822
4823MGVTBL_SET(
4824 PL_vtbl_utf8,
4825 NULL,
4826 MEMBER_TO_FPTR(Perl_magic_setutf8),
4827 NULL,
4828 NULL,
4829 NULL,
4830 NULL,
2664ba31 4831 NULL,
4944113a
AL		 4832 NULL
4833);
36477c24 4834#ifdef USE_LOCALE_COLLATE
4944113a
AL		 4835MGVTBL_SET(
4836 PL_vtbl_collxfrm,
4837 NULL,
4838 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
4839 NULL,
4840 NULL,
4841 NULL,
4842 NULL,
2664ba31 4843 NULL,
4944113a
AL		 4844 NULL
4845);
bbce6d69 4846#endif
a0d0e21e 4847
b3ca2e83
NC		 4848MGVTBL_SET(
4849 PL_vtbl_hintselem,
4850 NULL,
4851 MEMBER_TO_FPTR(Perl_magic_sethint),
4852 NULL,
4853 MEMBER_TO_FPTR(Perl_magic_clearhint),
4854 NULL,
4855 NULL,
4856 NULL,
4857 NULL
4858);
4859
85e6fe83 4860
f5284f61
IZ		 4861enum {
4862 fallback_amg, abs_amg,
4863 bool__amg, nomethod_amg,
4864 string_amg, numer_amg,
4865 add_amg, add_ass_amg,
4866 subtr_amg, subtr_ass_amg,
4867 mult_amg, mult_ass_amg,
4868 div_amg, div_ass_amg,
4869 modulo_amg, modulo_ass_amg,
4870 pow_amg, pow_ass_amg,
4871 lshift_amg, lshift_ass_amg,
4872 rshift_amg, rshift_ass_amg,
4873 band_amg, band_ass_amg,
4874 bor_amg, bor_ass_amg,
4875 bxor_amg, bxor_ass_amg,
4876 lt_amg, le_amg,
4877 gt_amg, ge_amg,
4878 eq_amg, ne_amg,
4879 ncmp_amg, scmp_amg,
4880 slt_amg, sle_amg,
4881 sgt_amg, sge_amg,
4882 seq_amg, sne_amg,
4883 not_amg, compl_amg,
4884 inc_amg, dec_amg,
4885 atan2_amg, cos_amg,
4886 sin_amg, exp_amg,
4887 log_amg, sqrt_amg,
4888 repeat_amg, repeat_ass_amg,
4889 concat_amg, concat_ass_amg,
4890 copy_amg, neg_amg,
4891 to_sv_amg, to_av_amg,
4892 to_hv_amg, to_gv_amg,
d460ef45 4893 to_cv_amg, iter_amg,
0d863452
RH		 4894 int_amg, smart_amg,
4895
4896 /* Note: Perl_Gv_AMupdate() assumes that DESTROY is the last entry */
4897 DESTROY_amg,
f216259d 4898 max_amg_code
64a0062a 4899 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 4900};
4901
4902#define NofAMmeth max_amg_code
e1ec3a88 4903#define AMG_id2name(id) (PL_AMG_names[id]+1)
f5284f61 4904
a0d0e21e 4905#ifdef DOINIT
27da23d5 4906EXTCONST char * const PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 4907 /* Names kept in the symbol table. fallback => "()", the rest has
4908 "(" prepended. The only other place in perl which knows about
4909 this convention is AMG_id2name (used for debugging output and
4910 'nomethod' only), the only other place which has it hardwired is
4911 overload.pm. */
4912 "()", "(abs", /* "fallback" should be the first. */
4913 "(bool", "(nomethod",
4914 "(\"\"", "(0+",
4915 "(+", "(+=",
4916 "(-", "(-=",
4917 "(*", "(*=",
4918 "(/", "(/=",
4919 "(%", "(%=",
4920 "(**", "(**=",
4921 "(<<", "(<<=",
4922 "(>>", "(>>=",
4923 "(&", "(&=",
4924 "(|", "(|=",
4925 "(^", "(^=",
4926 "(<", "(<=",
4927 "(>", "(>=",
4928 "(==", "(!=",
4929 "(<=>", "(cmp",
4930 "(lt", "(le",
4931 "(gt", "(ge",
4932 "(eq", "(ne",
4933 "(!", "(~",
4934 "(++", "(--",
4935 "(atan2", "(cos",
4936 "(sin", "(exp",
4937 "(log", "(sqrt",
4938 "(x", "(x=",
4939 "(.", "(.=",
4940 "(=", "(neg",
4941 "(${}", "(@{}",
4942 "(%{}", "(*{}",
4943 "(&{}", "(<>",
0d863452
RH		 4944 "(int", "(~~",
4945 "DESTROY"
a0d0e21e
LW		 4946};
4947#else
22c35a8c 4948EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 4949#endif /* def INITAMAGIC */
4950
73c4f7a1
GS		 4951END_EXTERN_C
4952
a6006777 4953struct am_table {
eb160463 4954 U32 was_ok_sub;
a0d0e21e 4955 long was_ok_am;
a6006777 4956 U32 flags;
4957 CV* table[NofAMmeth];
a0d0e21e
LW		 4958 long fallback;
4959};
a6006777 4960struct am_table_short {
eb160463 4961 U32 was_ok_sub;
a6006777 4962 long was_ok_am;
4963 U32 flags;
4964};
a0d0e21e 4965typedef struct am_table AMT;
a6006777 4966typedef struct am_table_short AMTS;
a0d0e21e
LW		 4967
4968#define AMGfallNEVER 1
4969#define AMGfallNO 2
4970#define AMGfallYES 3
4971
a6006777 4972#define AMTf_AMAGIC 1
32251b26 4973#define AMTf_OVERLOADED 2
a6006777 4974#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
4975#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
4976#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 4977#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
4978#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
4979#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 4980
32251b26 4981#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 4982
4983/*
4984 * some compilers like to redefine cos et alia as faster
4985 * (and less accurate?) versions called F_cos et cetera (Quidquid
4986 * latine dictum sit, altum viditur.) This trick collides with
4987 * the Perl overloading (amg). The following #defines fool both.
4988 */
4989
4990#ifdef _FASTMATH
4991# ifdef atan2
4992# define F_atan2_amg atan2_amg
4993# endif
4994# ifdef cos
4995# define F_cos_amg cos_amg
4996# endif
4997# ifdef exp
4998# define F_exp_amg exp_amg
4999# endif
5000# ifdef log
5001# define F_log_amg log_amg
5002# endif
5003# ifdef pow
5004# define F_pow_amg pow_amg
5005# endif
5006# ifdef sin
5007# define F_sin_amg sin_amg
5008# endif
5009# ifdef sqrt
5010# define F_sqrt_amg sqrt_amg
5011# endif
5012#endif /* _FASTMATH */
5013
83ee9e09
GS		 5014#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5015 PERLDBf_NOOPT | PERLDBf_INTER | \
5016 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 5017 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
5018 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 5019#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5020#define PERLDBf_LINE 0x02 /* Keep line # */
5021#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5022#define PERLDBf_INTER 0x08 /* Preserve more data for
5023 later inspections */
5024#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5025#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5026#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5027#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5028#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5029#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 5030#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 5031
3280af22
NIS		 5032#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5033#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5034#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5035#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5036#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5037#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5038#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5039#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5040#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5041#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 5042#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 5043
36477c24 5044#ifdef USE_LOCALE_NUMERIC
bbce6d69 5045
36477c24 5046#define SET_NUMERIC_STANDARD() \
ff4fed7c 5047 set_numeric_standard();
36477c24 5048
5049#define SET_NUMERIC_LOCAL() \
ff4fed7c 5050 set_numeric_local();
bbce6d69 5051
a98fe34d 5052#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5053#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5054
5055#define IN_LOCALE \
923e4eb5 5056 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5057
f93f4e46 5058#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5059 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5060 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5061
5062#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5063 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5064 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5065
5066#define RESTORE_NUMERIC_LOCAL() \
5067 if (was_local) SET_NUMERIC_LOCAL();
5068
5069#define RESTORE_NUMERIC_STANDARD() \
5070 if (was_standard) SET_NUMERIC_STANDARD();
5071
5b877257 5072#define Atof my_atof
097ee67d 5073
36477c24 5074#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5075
097ee67d
JH		 5076#define SET_NUMERIC_STANDARD() /**/
5077#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5078#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5079#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5080#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5081#define RESTORE_NUMERIC_LOCAL() /**/
5082#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5083#define Atof my_atof
ad3e0f90 5084#define IN_LOCALE_RUNTIME 0
bbce6d69 5085
36477c24 5086#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5087
079290de 5088#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5089# ifdef __hpux
5090# define strtoll __strtoll /* secret handshake */
5091# endif
c623ac67
GS		 5092# ifdef WIN64
5093# define strtoll _strtoi64 /* secret handshake */
5094# endif
079290de
GS		 5095# if !defined(Strtol) && defined(HAS_STRTOLL)
5096# define Strtol strtoll
ad551343 5097# endif
28e5dec8
JH		 5098# if !defined(Strtol) && defined(HAS_STRTOQ)
5099# define Strtol strtoq
5100# endif
ff935051 5101/* is there atoq() anywhere? */
15b99d39 5102#endif
079290de
GS		 5103#if !defined(Strtol) && defined(HAS_STRTOL)
5104# define Strtol strtol
5105#endif
5106#ifndef Atol
5107/* It would be more fashionable to use Strtol() to define atol()
5108 * (as is done for Atoul(), see below) but for backward compatibility
5109 * we just assume atol(). */
76b882ba 5110# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5111# ifdef WIN64
5112# define atoll _atoi64 /* secret handshake */
5113# endif
76b882ba
JH		 5114# define Atol atoll
5115# else
5116# define Atol atol
5117# endif
cf2093f6
JH		 5118#endif
5119
55eb892c 5120#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5121# ifdef __hpux
5122# define strtoull __strtoull /* secret handshake */
5123# endif
c623ac67
GS		 5124# ifdef WIN64
5125# define strtoull _strtoui64 /* secret handshake */
5126# endif
ad551343 5127# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5128# define Strtoul strtoull
15b99d39 5129# endif
079290de
GS		 5130# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5131# define Strtoul strtouq
5132# endif
76d49b1c 5133/* is there atouq() anywhere? */
ad551343 5134#endif
079290de
GS		 5135#if !defined(Strtoul) && defined(HAS_STRTOUL)
5136# define Strtoul strtoul
cf2093f6 5137#endif
a5523c5b
JH		 5138#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5139# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5140#endif
079290de 5141#ifndef Atoul
d4c19fe8 5142# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5143#endif
cf2093f6 5144
760ac839 5145
06d86050
GS		 5146/* if these never got defined, they need defaults */
5147#ifndef PERL_SET_CONTEXT
5148# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5149#endif
5150
5151#ifndef PERL_GET_CONTEXT
5152# define PERL_GET_CONTEXT PERL_GET_INTERP
5153#endif
5154
5155#ifndef PERL_GET_THX
5156# define PERL_GET_THX ((void*)NULL)
5157#endif
5158
5159#ifndef PERL_SET_THX
5160# define PERL_SET_THX(t) NOOP
5161#endif
5162
a868473f
NIS		 5163#ifndef PERL_SCRIPT_MODE
5164#define PERL_SCRIPT_MODE "r"
5165#endif
5166
fba3b22e 5167/*
da927450
JH		 5168 * Some operating systems are stingy with stack allocation,
5169 * so perl may have to guard against stack overflow.
5170 */
5171#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5172#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5173#endif
5174
5175/*
5176 * Some nonpreemptive operating systems find it convenient to
5177 * check for asynchronous conditions after each op execution.
5178 * Keep this check simple, or it may slow down execution
5179 * massively.
5180 */
ce08f86c 5181
1d615522 5182#ifndef PERL_MICRO
4ffa73a3
JH		 5183# ifndef PERL_ASYNC_CHECK
5184# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
5185# endif
ce08f86c
NIS		 5186#endif
5187
da927450 5188#ifndef PERL_ASYNC_CHECK
1d615522 5189# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5190#endif
5191
5192/*
5193 * On some operating systems, a memory allocation may succeed,
5194 * but put the process too close to the system's comfort limit.
5195 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5196 * it to NULL.
5197 */
5198#ifndef PERL_ALLOC_CHECK
c2af87cb 5199#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5200#endif
5201
bd89102f
AD		 5202#ifdef HAS_SEM
5203# include <sys/ipc.h>
5204# include <sys/sem.h>
5205# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5206 union semun {
dbba660d
TC		 5207 int val;
5208 struct semid_ds *buf;
5209 unsigned short *array;
bd89102f
AD		 5210 };
5211# endif
5212# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5213# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5214 union gccbug_semun {
5215 int val;
5216 struct semid_ds *buf;
5217 unsigned short *array;
5218 char __dummy[5];
5219 };
5220# define semun gccbug_semun
5221# endif
bd89102f
AD		 5222# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5223# else
5224# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5225# ifdef EXTRA_F_IN_SEMUN_BUF
5226# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5227# else
5228# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5229# endif
bd89102f
AD		 5230# endif
5231# endif
bd89102f 5232#endif
49f531da 5233
89ca4ac7
JH		 5234/*
5235 * Boilerplate macros for initializing and accessing interpreter-local
5236 * data from C. All statics in extensions should be reworked to use
5237 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 5238 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 5239 *
5240 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5241 * 1. #define MY_CXT_KEY to a unique string, e.g.
5242 * "DynaLoader::_guts" XS_VERSION
f16dd614 5243 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5244 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5245 * all the data that needs to be interpreter-local.
5246 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5247 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5248 * (typically put in the BOOT: section).
5249 * 5. Use the members of the my_cxt_t structure everywhere as
5250 * MY_CXT.member.
5251 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5252 * access MY_CXT.
5253 */
5254
fc958cd2 5255#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 5256
5257/* This must appear in all extensions that define a my_cxt_t structure,
5258 * right after the definition (i.e. at file scope). The non-threads
5259 * case below uses it to declare the data as static. */
f16dd614 5260#define START_MY_CXT static int my_cxt_index = -1;
89ca4ac7
JH		 5261
5262/* This declaration should be used within all functions that use the
5263 * interpreter-local data. */
5264#define dMY_CXT \
f16dd614
DM		 5265 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[my_cxt_index]
5266#define dMY_CXT_INTERP(my_perl) \
5267 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[my_cxt_index]
89ca4ac7
JH		 5268
5269/* Creates and zeroes the per-interpreter data.
5270 * (We allocate my_cxtp in a Perl SV so that it will be released when
5271 * the interpreter goes away.) */
5272#define MY_CXT_INIT \
f16dd614
DM		 5273 my_cxt_t *my_cxtp = \
5274 (my_cxt_t*)Perl_my_cxt_init(aTHX_ &my_cxt_index, sizeof(my_cxt_t))
5275#define MY_CXT_INIT_INTERP(my_perl) \
5276 my_cxt_t *my_cxtp = \
5277 (my_cxt_t*)Perl_my_cxt_init(my_perl, &my_cxt_index, sizeof(my_cxt_t))
89ca4ac7 5278
8fba5d14
MHM		 5279/* Clones the per-interpreter data. */
5280#define MY_CXT_CLONE \
8fba5d14 5281 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
f16dd614
DM		 5282 Copy(PL_my_cxt_list[my_cxt_index], my_cxtp, 1, my_cxt_t);\
5283 PL_my_cxt_list[my_cxt_index] = my_cxtp \
8fba5d14 5284
89ca4ac7
JH		 5285/* This macro must be used to access members of the my_cxt_t structure.
5286 * e.g. MYCXT.some_data */
5287#define MY_CXT (*my_cxtp)
5288
5289/* Judicious use of these macros can reduce the number of times dMY_CXT
5290 * is used. Use is similar to pTHX, aTHX etc. */
5291#define pMY_CXT my_cxt_t *my_cxtp
5292#define pMY_CXT_ pMY_CXT,
5293#define _pMY_CXT ,pMY_CXT
5294#define aMY_CXT my_cxtp
5295#define aMY_CXT_ aMY_CXT,
5296#define _aMY_CXT ,aMY_CXT
5297
f16dd614 5298#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7
JH		 5299
5300#define START_MY_CXT static my_cxt_t my_cxt;
5301#define dMY_CXT_SV dNOOP
5302#define dMY_CXT dNOOP
5303#define MY_CXT_INIT NOOP
8fba5d14 5304#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 5305#define MY_CXT my_cxt
5306
5307#define pMY_CXT void
5308#define pMY_CXT_
5309#define _pMY_CXT
5310#define aMY_CXT
5311#define aMY_CXT_
5312#define _aMY_CXT
5313
f16dd614 5314#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5315
9a34ef1d
GS		 5316#ifdef I_FCNTL
5317# include <fcntl.h>
9a34ef1d
GS		 5318#endif
5319
9cffb111
OS		 5320#ifdef __Lynx__
5321# include <fcntl.h>
5322#endif
5323
9a34ef1d
GS		 5324#ifdef I_SYS_FILE
5325# include <sys/file.h>
5326#endif
5327
fa0a29af 5328#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5329int flock(int fd, int op);
5330#endif
5331
fe52b3b7
GS		 5332#ifndef O_RDONLY
5333/* Assume UNIX defaults */
5334# define O_RDONLY 0000
5335# define O_WRONLY 0001
5336# define O_RDWR 0002
5337# define O_CREAT 0100
5338#endif
9a34ef1d 5339
16fe6d59
GS		 5340#ifndef O_BINARY
5341# define O_BINARY 0
5342#endif
5343
5344#ifndef O_TEXT
5345# define O_TEXT 0
5346#endif
5347
6ce75a77
JH		 5348#if O_TEXT != O_BINARY
5349 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5350 * that is, you are somehow DOSish. */
538204d5 5351# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 5352 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5353 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5354 /* VOS has O_TEXT != O_BINARY, and they have effect,
5355 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5356 /* If you have O_TEXT different from your O_BINARY but you still are
5357 * not a CRLF shop. */
35990314 5358# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5359# else
5360 /* If you really are DOSish. */
5361# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5362# endif
5363#endif
5364
104d25b7
JH		 5365#ifdef IAMSUID
5366
5367#ifdef I_SYS_STATVFS
9f982a77
IG		 5368# if defined(PERL_SCO) && !defined(_SVID3)
5369# define _SVID3
5370# endif
32b3cf08
JH		 5371# include <sys/statvfs.h> /* for f?statvfs() */
5372#endif
5373#ifdef I_SYS_MOUNT
5374# include <sys/mount.h> /* for *BSD f?statfs() */
5375#endif
5376#ifdef I_MNTENT
5377# include <mntent.h> /* for getmntent() */
104d25b7 5378#endif
0545a864
JH		 5379#ifdef I_SYS_STATFS
5380# include <sys/statfs.h> /* for some statfs() */
5381#endif
5382#ifdef I_SYS_VFS
8d9e1a19
GS		 5383# ifdef __sgi
5384# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
5385# endif
5386# include <sys/vfs.h> /* for some statfs() */
5387# ifdef __sgi
5388# undef IRIX_sv
5389# endif
0545a864
JH		 5390#endif
5391#ifdef I_USTAT
5392# include <ustat.h> /* for ustat() */
5393#endif
5394
5395#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
5396# define PERL_MOUNT_NOSUID MOUNT_NOSUID
5397#endif
5398#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
5399# define PERL_MOUNT_NOSUID MNT_NOSUID
5400#endif
5401#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
5402# define PERL_MOUNT_NOSUID MS_NOSUID
5403#endif
5404#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
5405# define PERL_MOUNT_NOSUID M_NOSUID
5406#endif
104d25b7 5407
ae3f3efd
PS		 5408#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
5409# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
5410#endif
5411#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
5412# define PERL_MOUNT_NOEXEC MNT_NOEXEC
5413#endif
5414#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
5415# define PERL_MOUNT_NOEXEC MS_NOEXEC
5416#endif
5417#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
5418# define PERL_MOUNT_NOEXEC M_NOEXEC
5419#endif
5420
104d25b7
JH		 5421#endif /* IAMSUID */
5422
4bc88a62
PS		 5423#ifdef I_LIBUTIL
5424# include <libutil.h> /* setproctitle() in some FreeBSDs */
5425#endif
5426
b4748376
NIS		 5427#ifndef EXEC_ARGV_CAST
5428#define EXEC_ARGV_CAST(x) x
5429#endif
5430
dd5dc04f
JH		 5431#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5432 int). value returned in pointed-
5433 to UV */
5434#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5435#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5436#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5437#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5438#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5439
5440#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5441
53305cf1
NC		 5442/* Input flags: */
5443#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5444#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5445#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5446/* Output flags: */
5447#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5448
2c4f7f0e
DM		 5449/* to let user control profiling */
5450#ifdef PERL_GPROF_CONTROL
5451extern void moncontrol(int);
5452#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5453#else
5454#define PERL_GPROF_MONCONTROL(x)
5455#endif
5456
ae0e3d3b
JH		 5457#ifdef UNDER_CE
5458#include "wince.h"
5459#endif
5460
5461/* ISO 6429 NEL - C1 control NExt Line */
5462/* See http://www.unicode.org/unicode/reports/tr13/ */
5463#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5464# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5465# define NEXT_LINE_CHAR 0x15
5466# else /* CDRA */
5467# define NEXT_LINE_CHAR 0x25
5468# endif
5469#else
5470# define NEXT_LINE_CHAR 0x85
5471#endif
5472
5473/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5474#define UNICODE_LINE_SEPA_0 0xE2
5475#define UNICODE_LINE_SEPA_1 0x80
5476#define UNICODE_LINE_SEPA_2 0xA8
5477#define UNICODE_PARA_SEPA_0 0xE2
5478#define UNICODE_PARA_SEPA_1 0x80
5479#define UNICODE_PARA_SEPA_2 0xA9
5480
479b2847
GS		 5481#ifndef PIPESOCK_MODE
5482# define PIPESOCK_MODE
5483#endif
5484
460c8493
IZ		 5485#ifndef SOCKET_OPEN_MODE
5486# define SOCKET_OPEN_MODE PIPESOCK_MODE
5487#endif
5488
5489#ifndef PIPE_OPEN_MODE
5490# define PIPE_OPEN_MODE PIPESOCK_MODE
5491#endif
5492
7e8c5dac
HS		 5493#define PERL_MAGIC_UTF8_CACHESIZE 2
5494
a05d7ebb
JH		 5495#define PERL_UNICODE_STDIN_FLAG 0x0001
5496#define PERL_UNICODE_STDOUT_FLAG 0x0002
5497#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5498#define PERL_UNICODE_IN_FLAG 0x0008
5499#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5500#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5501#define PERL_UNICODE_LOCALE_FLAG 0x0040
5502#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5503#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5504
06e66572
JH		 5505#define PERL_UNICODE_STD_FLAG \
5506 (PERL_UNICODE_STDIN_FLAG | \
5507 PERL_UNICODE_STDOUT_FLAG | \
5508 PERL_UNICODE_STDERR_FLAG)
5509
5510#define PERL_UNICODE_INOUT_FLAG \
5511 (PERL_UNICODE_IN_FLAG | \
5512 PERL_UNICODE_OUT_FLAG)
5513
5514#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5515 (PERL_UNICODE_STD_FLAG | \
5516 PERL_UNICODE_INOUT_FLAG | \
5517 PERL_UNICODE_LOCALE_FLAG)
5518
5a22a2bb 5519#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5520
5521#define PERL_UNICODE_STDIN 'I'
5522#define PERL_UNICODE_STDOUT 'O'
5523#define PERL_UNICODE_STDERR 'E'
5524#define PERL_UNICODE_STD 'S'
5525#define PERL_UNICODE_IN 'i'
5526#define PERL_UNICODE_OUT 'o'
5527#define PERL_UNICODE_INOUT 'D'
5528#define PERL_UNICODE_ARGV 'A'
5529#define PERL_UNICODE_LOCALE 'L'
5530#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5531#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5532
4ffa73a3
JH		 5533#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5534
16bd9a85
JH		 5535/* From sigaction(2) (FreeBSD man page):
5536 * | Signal routines normally execute with the signal that
5537 * | caused their invocation blocked, but other signals may
5538 * | yet occur.
5539 * Emulation of this behavior (from within Perl) is enabled
5540 * by defining PERL_BLOCK_SIGNALS.
5541 */
5542#define PERL_BLOCK_SIGNALS
5543
5544#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5545# define PERL_BLOCKSIG_ADD(set,sig) \
5546 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5547# define PERL_BLOCKSIG_BLOCK(set) \
5548 sigprocmask(SIG_BLOCK, &(set), NULL)
5549# define PERL_BLOCKSIG_UNBLOCK(set) \
5550 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5551#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5552
5553/* How about the old style of sigblock()? */
5554
5555#ifndef PERL_BLOCKSIG_ADD
5556# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5557#endif
5558#ifndef PERL_BLOCKSIG_BLOCK
5559# define PERL_BLOCKSIG_BLOCK(set) NOOP
5560#endif
2bfba5f0 5561#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 5562# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5563#endif
5564
32fdb065 5565/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5566 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5567#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5568
3c0f78ca
JH		 5569#if defined(__DECC) && defined(__osf__)
5570#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5571#endif
5572
e4dba786
NC		 5573#define do_open(g, n, l, a, rm, rp, sf) \
5574 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5575#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5576# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5577#endif
15871fce
NC		 5578#ifdef OS2
5579# define do_aexec Perl_do_aexec
5580#else
5581# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5582#endif
e4dba786 5583
4d8076ea 5584/* and finally... */
cceca5ed 5585#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5586#include "patchlevel.h"
cceca5ed 5587#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5588
43999f95 5589/* Mention
d460ef45 5590
43999f95 5591 NV_PRESERVES_UV
fe749a9f 5592
fe749a9f
JH		 5593 HAS_MKSTEMP
5594 HAS_MKSTEMPS
5595 HAS_MKDTEMP
5596
49dabb45
JH		 5597 HAS_GETCWD
5598
d59b5429 5599 HAS_MMAP
fe749a9f
JH		 5600 HAS_MPROTECT
5601 HAS_MSYNC
1e8c3fde 5602 HAS_MADVISE
fe749a9f
JH		 5603 HAS_MUNMAP
5604 I_SYSMMAN
5605 Mmap_t
5606
6b4667fc
A		 5607 NVef
5608 NVff
5609 NVgf
5610
4e0554ec 5611 HAS_UALARM
2d736872 5612 HAS_USLEEP
4e0554ec
JH		 5613
5614 HAS_SETITIMER
5615 HAS_GETITIMER
5616
5617 HAS_SENDMSG
5618 HAS_RECVMSG
5619 HAS_READV
5620 HAS_WRITEV
5621 I_SYSUIO
5622 HAS_STRUCT_MSGHDR
5623 HAS_STRUCT_CMSGHDR
5624
2765b840 5625 HAS_NL_LANGINFO
0a7020c9 5626
ae0e3d3b 5627 HAS_DIRFD
2765b840 5628
43999f95
JH		 5629 so that Configure picks them up. */
5630
85e6fe83 5631#endif /* Include guard */
ae0e3d3b 5632
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