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integrate Math::BigInt-1.63
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
be3c0a43 3 * Copyright (c) 1987-2002, Larry Wall
a687059c 4 *
352d5a3a
LW		 5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
8d063cd8 7 *
8d063cd8 8 */
d6376244 9
85e6fe83
LW		 10#ifndef H_PERL
11#define H_PERL 1
8d063cd8 12
760ac839
LW		 13#ifdef PERL_FOR_X2P
14/*
d460ef45 15 * This file is being used for x2p stuff.
760ac839 16 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 17 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 18 */
55497cff 19#undef MULTIPLICITY
760ac839
LW		 20#undef USE_STDIO
21#define USE_STDIO
22#endif /* PERL_FOR_X2P */
23
95036ac7
JH		 24#if defined(DGUX)
25#include <sys/fcntl.h>
26#endif
27
47a51902
SB		 28#ifdef VOIDUSED
29# undef VOIDUSED
30#endif
0cb96387 31#define VOIDUSED 1
47a51902 32
d460ef45 33#ifdef PERL_MICRO
12ae5dfc
JH		 34# include "uconfig.h"
35#else
36# include "config.h"
37#endif
0cb96387 38
aaacdc8b
GS		 39#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
40# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
41#endif
42
43/* XXX This next guard can disappear if the sources are revised
44 to use USE_5005THREADS throughout. -- A.D 1/6/2000
45*/
4d1ff10f
AB		 46#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
47# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
aaacdc8b
GS		 48#endif
49
2c2d71f5
JH		 50/* See L<perlguts/"The Perl API"> for detailed notes on
51 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
52
ac6bedea
JH		 53/* Note that from here --> to <-- the same logic is
54 * repeated in makedef.pl, so be certain to update
55 * both places when editing. */
56
ba979b31
NIS		 57#ifdef PERL_IMPLICIT_SYS
58/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
59 so use slab allocator to avoid lots of MUTEX overhead
60 */
6916a0ab
NIS		 61# ifndef PL_OP_SLAB_ALLOC
62# define PL_OP_SLAB_ALLOC
ba979b31
NIS		 63# endif
64#endif
65
6f4183fe 66#ifdef USE_ITHREADS
acfe0abc 67# if !defined(MULTIPLICITY)
6f4183fe
GS		 68# define MULTIPLICITY
69# endif
70#endif
71
4d1ff10f 72#ifdef USE_5005THREADS
c5be433b
GS		 73# ifndef PERL_IMPLICIT_CONTEXT
74# define PERL_IMPLICIT_CONTEXT
75# endif
c5be433b
GS		 76#endif
77
c5be433b
GS		 78#if defined(MULTIPLICITY)
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
c5be433b
GS		 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
10bc17b6
JH		 90/* Use the reentrant APIs like localtime_r and getpwent_r */
91/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
9366f0ec 92#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(__APPLE__)
10bc17b6
JH		 93# define USE_REENTRANT_API
94#endif
95
ac6bedea
JH		 96/* <--- here ends the logic shared by perl.h and makedef.pl */
97
c5be433b 98#ifdef PERL_IMPLICIT_CONTEXT
4d1ff10f 99# ifdef USE_5005THREADS
c5be433b 100struct perl_thread;
24e8e624 101# define pTHX register struct perl_thread *thr PERL_UNUSED_DECL
c5be433b 102# define aTHX thr
411caa50 103# define dTHR dNOOP /* only backward compatibility */
fd89de3a 104# define dTHXa(a) pTHX = (struct perl_thread*)a
c5be433b 105# else
f63b9778
GS		 106# ifndef MULTIPLICITY
107# define MULTIPLICITY
108# endif
24e8e624 109# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
c5be433b 110# define aTHX my_perl
fd89de3a 111# define dTHXa(a) pTHX = (PerlInterpreter*)a
c5be433b 112# endif
fd89de3a 113# define dTHX pTHX = PERL_GET_THX
c5be433b 114# define pTHX_ pTHX,
c5be433b 115# define aTHX_ aTHX,
894356b3
GS		 116# define pTHX_1 2
117# define pTHX_2 3
118# define pTHX_3 4
119# define pTHX_4 5
c5be433b
GS		 120#endif
121
76e3520e
GS		 122#define STATIC static
123#define CPERLscope(x) x
565764a8 124#define CPERLarg void
76e3520e 125#define CPERLarg_
e3b8966e 126#define _CPERLarg
1d583055
GS		 127#define PERL_OBJECT_THIS
128#define _PERL_OBJECT_THIS
129#define PERL_OBJECT_THIS_
312caa8e 130#define CALL_FPTR(fptr) (*fptr)
76e3520e 131
312caa8e
CS		 132#define CALLRUNOPS CALL_FPTR(PL_runops)
133#define CALLREGCOMP CALL_FPTR(PL_regcompp)
134#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 135#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
136#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
137#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8
GS		 138
139#ifdef PERL_FLEXIBLE_EXCEPTIONS
140# define CALLPROTECT CALL_FPTR(PL_protect)
141#endif
312caa8e 142
44dbb695 143#ifdef HASATTRIBUTE
3da75212
MB		 144# if defined(__GNUC__) && defined(__cplusplus)
145# define PERL_UNUSED_DECL
146# else
147# define PERL_UNUSED_DECL __attribute__((unused))
148# endif
44dbb695
JH		 149#else
150# define PERL_UNUSED_DECL
151#endif
152
349b520e
DM		 153/* gcc -Wall:
154 * for silencing unused variables that are actually used most of the time,
155 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
156 */
157#define PERL_UNUSED_VAR(var) if (0) var = var
158
0cb96387 159#define NOOP (void)0
44dbb695 160#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 161
0cb96387
GS		 162#ifndef pTHX
163# define pTHX void
164# define pTHX_
0cb96387
GS		 165# define aTHX
166# define aTHX_
0cb96387
GS		 167# define dTHXa(a) dNOOP
168# define dTHX dNOOP
894356b3
GS		 169# define pTHX_1 1
170# define pTHX_2 2
171# define pTHX_3 3
172# define pTHX_4 4
0cb96387
GS		 173#endif
174
b4f7f263
GS		 175/* these are only defined for compatibility; should not be used internally */
176#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 177# define pTHXo pTHX
178# define pTHXo_ pTHX_
0cb96387
GS		 179# define aTHXo aTHX
180# define aTHXo_ aTHX_
c5be433b 181# define dTHXo dTHX
71d280e3 182# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 183#endif
184
185#ifndef pTHXx
186# define pTHXx register PerlInterpreter *my_perl
187# define pTHXx_ pTHXx,
0cb96387
GS		 188# define aTHXx my_perl
189# define aTHXx_ aTHXx,
c5be433b 190# define dTHXx dTHX
22c35a8c 191#endif
71be2cbc 192
1de7c2ac
GS		 193/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
194 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
195 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
196#ifdef PERL_IMPLICIT_SYS
197# define dTHXs dTHX
198#else
199# define dTHXs dNOOP
200#endif
201
326b05e3
GS		 202#undef START_EXTERN_C
203#undef END_EXTERN_C
204#undef EXTERN_C
32f822de
GS		 205#ifdef __cplusplus
206# define START_EXTERN_C extern "C" {
207# define END_EXTERN_C }
208# define EXTERN_C extern "C"
209#else
d460ef45
NIS		 210# define START_EXTERN_C
211# define END_EXTERN_C
73c4f7a1 212# define EXTERN_C extern
32f822de
GS		 213#endif
214
462e5cf6
MB		 215#ifdef OP_IN_REGISTER
216# ifdef __GNUC__
217# define stringify_immed(s) #s
218# define stringify(s) stringify_immed(s)
d1ca3daa 219register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 220# endif
221#endif
222
728e2803 223/*
224 * STMT_START { statements; } STMT_END;
225 * can be used as a single statement, as in
226 * if (x) STMT_START { ... } STMT_END; else ...
227 *
228 * Trying to select a version that gives no warnings...
229 */
230#if !(defined(STMT_START) && defined(STMT_END))
169d69b2 231# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
728e2803 232# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
233# define STMT_END )
234# else
235 /* Now which other defined()s do we need here ??? */
236# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
237# define STMT_START if (1)
238# define STMT_END else (void)0
239# else
240# define STMT_START do
241# define STMT_END while (0)
242# endif
243# endif
244#endif
245
0cb96387 246#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 247#define WITH_THR(s) WITH_THX(s)
ea0efc06 248
55497cff 249/*
250 * SOFT_CAST can be used for args to prototyped functions to retain some
251 * type checking; it only casts if the compiler does not know prototypes.
252 */
253#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
254#define SOFT_CAST(type)
255#else
256#define SOFT_CAST(type) (type)
257#endif
79072805 258
6ee623d5 259#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
79072805
LW		 260# define BYTEORDER 0x1234
261#endif
262
263/* Overall memory policy? */
264#ifndef CONSERVATIVE
265# define LIBERAL 1
266#endif
267
8ada0baa
JH		 268#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
269#define ASCIIish
270#else
271#undef ASCIIish
272#endif
273
79072805
LW		 274/*
275 * The following contortions are brought to you on behalf of all the
276 * standards, semi-standards, de facto standards, not-so-de-facto standards
277 * of the world, as well as all the other botches anyone ever thought of.
278 * The basic theory is that if we work hard enough here, the rest of the
279 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
280 */
ac58e20f 281
ee0007ab 282/* define this once if either system, instead of cluttering up the src */
2986a63f 283#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 284#define DOSISH 1
285#endif
286
2986a63f 287#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 288# define STANDARD_C 1
289#endif
290
2986a63f 291#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
68dc0745 292# define DONT_DECLARE_STD 1
293#endif
294
352d5a3a 295#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 296# ifdef __cplusplus
cb69f87a 297# define VOL /* to temporarily suppress warnings */
79072805
LW		 298# else
299# define VOL volatile
300# endif
663a0e37 301#else
79072805 302# define VOL
663a0e37
LW		 303#endif
304
3280af22
NIS		 305#define TAINT (PL_tainted = TRUE)
306#define TAINT_NOT (PL_tainted = FALSE)
307#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
308#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 309#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 310
d460ef45 311/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 312 defines move there? If so, I could simplify this a lot. --AD 9/96.
313*/
314/* Process group stuff changed from traditional BSD to POSIX.
315 perlfunc.pod documents the traditional BSD-style syntax, so we'll
316 try to preserve that, if possible.
317*/
318#ifdef HAS_SETPGID
319# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 320#else
a6e633de 321# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
322# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
323# else
324# ifdef HAS_SETPGRP2 /* DG/UX */
325# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
326# endif
327# endif
328#endif
329#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
330# define HAS_SETPGRP /* Well, effectively it does . . . */
331#endif
332
333/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
334 our life easier :-) so we'll try it.
335*/
336#ifdef HAS_GETPGID
337# define BSD_GETPGRP(pid) getpgid((pid))
338#else
339# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
340# define BSD_GETPGRP(pid) getpgrp((pid))
341# else
342# ifdef HAS_GETPGRP2 /* DG/UX */
343# define BSD_GETPGRP(pid) getpgrp2((pid))
344# endif
345# endif
346#endif
347#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
348# define HAS_GETPGRP /* Well, effectively it does . . . */
349#endif
350
d460ef45 351/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 352 have different behaviors, but perl.h used to define USE_BSDPGRP
353 (prior to 5.003_05) so some extension might depend on it.
354*/
355#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
356# ifndef USE_BSDPGRP
357# define USE_BSDPGRP
358# endif
663a0e37
LW		 359#endif
360
8ac5a1fe
MH		 361/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
362 pthread.h must be included before all other header files.
363*/
4d1ff10f 364#if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) \
1feb2720 365 && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 366# include <pthread.h>
367#endif
368
760ac839
LW		 369#ifndef _TYPES_ /* If types.h defines this it's easy. */
370# ifndef major /* Does everyone's types.h define this? */
371# include <sys/types.h>
c07a80fd 372# endif
663a0e37
LW		 373#endif
374
760ac839
LW		 375#ifdef __cplusplus
376# ifndef I_STDARG
377# define I_STDARG 1
378# endif
379#endif
380
381#ifdef I_STDARG
382# include <stdarg.h>
383#else
384# ifdef I_VARARGS
385# include <varargs.h>
386# endif
387#endif
388
4633a7c4 389#ifdef USE_NEXT_CTYPE
0c30d9ec 390
092bebab
JH		 391#if NX_CURRENT_COMPILER_RELEASE >= 500
392# include <bsd/ctypes.h>
393#else
394# if NX_CURRENT_COMPILER_RELEASE >= 400
395# include <objc/NXCType.h>
396# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
397# include <appkit/NXCType.h>
398# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
399#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 400
401#else /* !USE_NEXT_CTYPE */
fe14fcc3 402#include <ctype.h>
0c30d9ec 403#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 404
405#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
406#undef METHOD
a0d0e21e
LW		 407#endif
408
12ae5dfc
JH		 409#ifdef PERL_MICRO
410# define NO_LOCALE
411#endif
412
4633a7c4 413#ifdef I_LOCALE
36477c24 414# include <locale.h>
4633a7c4
LW		 415#endif
416
36477c24 417#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
418# define USE_LOCALE
419# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
420 && defined(HAS_STRXFRM)
421# define USE_LOCALE_COLLATE
422# endif
423# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
424# define USE_LOCALE_CTYPE
425# endif
426# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
427# define USE_LOCALE_NUMERIC
428# endif
429#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 430
fe14fcc3 431#include <setjmp.h>
79072805 432
a0d0e21e 433#ifdef I_SYS_PARAM
79072805
LW		 434# ifdef PARAM_NEEDS_TYPES
435# include <sys/types.h>
436# endif
437# include <sys/param.h>
352d5a3a 438#endif
79072805 439
79072805 440/* Use all the "standard" definitions? */
a0d0e21e 441#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 442# include <stdlib.h>
ff68c719 443#endif
03a14243 444
3f270f98
JH		 445/* If this causes problems, set i_unistd=undef in the hint file. */
446#ifdef I_UNISTD
447# include <unistd.h>
448#endif
449
7114a2d2 450#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 451int syscall(int, ...);
452#endif
453
7114a2d2 454#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 455int usleep(unsigned int);
2ef53570
JH		 456#endif
457
9a34ef1d
GS		 458#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
459# define MYSWAP
460#endif
461
66a93824
NIS		 462/* Cannot include embed.h here on Win32 as win32.h has not
463 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
464 */
96e176bf 465#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 466# include "embed.h"
467#endif
468
c31fac66
GS		 469#define MEM_SIZE Size_t
470
51371543
GS		 471#if defined(STANDARD_C) && defined(I_STDDEF)
472# include <stddef.h>
473# define STRUCT_OFFSET(s,m) offsetof(s,m)
474#else
475# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
476#endif
477
478#if defined(I_STRING) || defined(__cplusplus)
479# include <string.h>
480#else
481# include <strings.h>
482#endif
483
55497cff 484/* This comes after <stdlib.h> so we don't try to change the standard
485 * library prototypes; we'll use our own in proto.h instead. */
03a14243 486
4633a7c4 487#ifdef MYMALLOC
86058a2d 488# ifdef PERL_POLLUTE_MALLOC
ee13e175 489# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 490# define Perl_malloc malloc
491# define Perl_calloc calloc
492# define Perl_realloc realloc
493# define Perl_mfree free
ee13e175 494# endif
86058a2d
GS		 495# else
496# define EMBEDMYMALLOC /* for compatibility */
497# endif
993c6a59 498START_EXTERN_C
20ce7b12
GS		 499Malloc_t Perl_malloc (MEM_SIZE nbytes);
500Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
501Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
86058a2d
GS		 502/* 'mfree' rather than 'free', since there is already a 'perl_free'
503 * that causes clashes with case-insensitive linkers */
20ce7b12 504Free_t Perl_mfree (Malloc_t where);
993c6a59 505END_EXTERN_C
55497cff 506
827e134a
GS		 507typedef struct perl_mstats perl_mstats_t;
508
651b9576
GS		 509# define safemalloc Perl_malloc
510# define safecalloc Perl_calloc
511# define saferealloc Perl_realloc
512# define safefree Perl_mfree
f2517201
GS		 513#else /* MYMALLOC */
514# define safemalloc safesysmalloc
515# define safecalloc safesyscalloc
516# define saferealloc safesysrealloc
517# define safefree safesysfree
55497cff 518#endif /* MYMALLOC */
4633a7c4 519
a0d0e21e
LW		 520#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
521#define strchr index
522#define strrchr rindex
523#endif
524
16d20bd9
AD		 525#ifdef I_MEMORY
526# include <memory.h>
527#endif
528
fe14fcc3 529#ifdef HAS_MEMCPY
85e6fe83 530# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 531# ifndef memcpy
20ce7b12 532 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 533# endif
534# endif
535#else
536# ifndef memcpy
537# ifdef HAS_BCOPY
538# define memcpy(d,s,l) bcopy(s,d,l)
539# else
540# define memcpy(d,s,l) my_bcopy(s,d,l)
541# endif
542# endif
543#endif /* HAS_MEMCPY */
fe14fcc3 544
ee0007ab 545#ifdef HAS_MEMSET
85e6fe83 546# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 547# ifndef memset
20ce7b12 548 extern char *memset (char*, int, int);
ee0007ab
LW		 549# endif
550# endif
ee0007ab 551#else
12ae5dfc 552# undef memset
fc36a67e 553# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 554#endif /* HAS_MEMSET */
555
85e6fe83 556#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 557# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 558# define memmove(d,s,l) bcopy(s,d,l)
559# else
2304df62 560# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 561# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 562# else
79072805 563# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 564# endif
352d5a3a 565# endif
d9d8d8de 566#endif
ee0007ab 567
36477c24 568#if defined(mips) && defined(ultrix) && !defined(__STDC__)
569# undef HAS_MEMCMP
570#endif
571
572#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 573# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 574# ifndef memcmp
20ce7b12 575 extern int memcmp (char*, char*, int);
ee0007ab
LW		 576# endif
577# endif
36477c24 578# ifdef BUGGY_MSC
579 # pragma function(memcmp)
580# endif
ee0007ab
LW		 581#else
582# ifndef memcmp
ecfc5424 583# define memcmp my_memcmp
352d5a3a 584# endif
36477c24 585#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 586
fc36a67e 587#ifndef memzero
c635e13b 588# ifdef HAS_MEMSET
589# define memzero(d,l) memset(d,0,l)
79072805 590# else
c635e13b 591# ifdef HAS_BZERO
592# define memzero(d,l) bzero(d,l)
79072805 593# else
fc36a67e 594# define memzero(d,l) my_bzero(d,l)
79072805
LW		 595# endif
596# endif
d9d8d8de 597#endif
378cc40b 598
0f27ced1
JH		 599#ifndef memchr
600# ifndef HAS_MEMCHR
601# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
602# endif
603#endif
604
36477c24 605#ifndef HAS_BCMP
606# ifndef bcmp
607# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 608# endif
36477c24 609#endif /* !HAS_BCMP */
378cc40b 610
ae986130 611#ifdef I_NETINET_IN
79072805 612# include <netinet/in.h>
ae986130
LW		 613#endif
614
28e8609d
JH		 615#ifdef I_ARPA_INET
616# include <arpa/inet.h>
617#endif
618
84902520
TB		 619#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
620/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
621 * (the neo-BSD seem to do this). */
622# undef SF_APPEND
623#endif
624
1aef975c 625#ifdef I_SYS_STAT
84902520 626# include <sys/stat.h>
1aef975c 627#endif
79072805 628
a0d0e21e
LW		 629/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
630 like UTekV) are broken, sometimes giving false positives. Undefine
631 them here and let the code below set them to proper values.
632
633 The ghs macro stands for GreenHills Software C-1.8.5 which
634 is the C compiler for sysV88 and the various derivatives.
635 This header file bug is corrected in gcc-2.5.8 and later versions.
636 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
637
638#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 639# undef S_ISDIR
640# undef S_ISCHR
641# undef S_ISBLK
642# undef S_ISREG
643# undef S_ISFIFO
644# undef S_ISLNK
ee0007ab 645#endif
135863df 646
663a0e37
LW		 647#ifdef I_TIME
648# include <time.h>
ffed7fef 649#endif
663a0e37 650
fe14fcc3 651#ifdef I_SYS_TIME
85e6fe83 652# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 653# define KERNEL
654# endif
655# include <sys/time.h>
85e6fe83 656# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 657# undef KERNEL
658# endif
a687059c 659#endif
135863df 660
55497cff 661#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 662# include <sys/times.h>
d9d8d8de 663#endif
8d063cd8 664
fe14fcc3 665#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 666# undef HAS_STRERROR
663a0e37
LW		 667#endif
668
669#include <errno.h>
1e743fda 670
acfe0abc 671#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 672# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
673#endif
674
4e0554ec
JH		 675/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */
676#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
677# define _SOCKADDR_LEN
678#endif
679
8d3f517a 680#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 681# include <sys/socket.h>
682# if defined(USE_SOCKS) && defined(I_SOCKS)
683# if !defined(INCLUDE_PROTOTYPES)
684# define INCLUDE_PROTOTYPES /* for <socks.h> */
685# define PERL_SOCKS_NEED_PROTOTYPES
686# endif
4d1ff10f 687# ifdef USE_5005THREADS
c3dedce1 688# define PERL_USE_THREADS /* store our value */
4d1ff10f 689# undef USE_5005THREADS
c3dedce1 690# endif
1e743fda 691# include <socks.h>
4d1ff10f
AB		 692# ifdef USE_5005THREADS
693# undef USE_5005THREADS /* socks.h does this on its own */
c3dedce1
JH		 694# endif
695# ifdef PERL_USE_THREADS
4d1ff10f 696# define USE_5005THREADS /* restore our value */
c3dedce1
JH		 697# undef PERL_USE_THREADS
698# endif
1e743fda
JH		 699# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
700# undef INCLUDE_PROTOTYPES
701# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 702# endif
d460ef45 703# endif
1e743fda 704# ifdef I_NETDB
2986a63f
JH		 705# ifdef NETWARE
706# include<stdio.h>
707# endif
1e743fda
JH		 708# include <netdb.h>
709# endif
710# ifndef ENOTSOCK
711# ifdef I_NET_ERRNO
712# include <net/errno.h>
713# endif
714# endif
715#endif
716
fa0a29af 717/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 718 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 719#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH		 720int sockatmark(int);
721#endif
722
1e743fda
JH		 723#ifdef SETERRNO
724# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 725#endif
f86702cc 726
727#ifdef VMS
728# define SETERRNO(errcode,vmserrcode) \
729 STMT_START { \
730 set_errno(errcode); \
731 set_vaxc_errno(vmserrcode); \
732 } STMT_END
748a9306 733#else
aba27d88 734# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
748a9306 735#endif
ed6116ce 736
4d1ff10f 737#ifdef USE_5005THREADS
38a03e6e 738# define ERRSV (thr->errsv)
940cb80d
MB		 739# define DEFSV THREADSV(0)
740# define SAVE_DEFSV save_threadsv(0)
38a03e6e 741#else
3280af22 742# define ERRSV GvSV(PL_errgv)
3280af22
NIS		 743# define DEFSV GvSV(PL_defgv)
744# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
4d1ff10f 745#endif /* USE_5005THREADS */
38a03e6e 746
98eae8f5
GS		 747#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
748
55497cff 749#ifndef errno
5ff3f7a4
GS		 750 extern int errno; /* ANSI allows errno to be an lvalue expr.
751 * For example in multithreaded environments
752 * something like this might happen:
753 * extern int *_errno(void);
754 * #define errno (*_errno()) */
d9d8d8de 755#endif
663a0e37 756
2304df62 757#ifdef HAS_STRERROR
a0d0e21e 758# ifdef VMS
20ce7b12 759 char *strerror (int,...);
a0d0e21e 760# else
68dc0745 761#ifndef DONT_DECLARE_STD
20ce7b12 762 char *strerror (int);
68dc0745 763#endif
a0d0e21e 764# endif
2304df62
AD		 765# ifndef Strerror
766# define Strerror strerror
767# endif
768#else
769# ifdef HAS_SYS_ERRLIST
79072805
LW		 770 extern int sys_nerr;
771 extern char *sys_errlist[];
2304df62
AD		 772# ifndef Strerror
773# define Strerror(e) \
79072805 774 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 775# endif
79072805 776# endif
35c8bce7 777#endif
663a0e37 778
2304df62 779#ifdef I_SYS_IOCTL
79072805
LW		 780# ifndef _IOCTL_
781# include <sys/ioctl.h>
782# endif
a687059c
LW		 783#endif
784
ee0007ab 785#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 786# ifdef HAS_SOCKETPAIR
787# undef HAS_SOCKETPAIR
788# endif
2304df62
AD		 789# ifdef I_NDBM
790# undef I_NDBM
79072805 791# endif
a687059c
LW		 792#endif
793
02fc2eee
NC		 794#ifndef HAS_SOCKETPAIR
795# ifdef HAS_SOCKET
796# define socketpair Perl_my_socketpair
797# endif
798#endif
799
a687059c 800#if INTSIZE == 2
79072805
LW		 801# define htoni htons
802# define ntohi ntohs
a687059c 803#else
79072805
LW		 804# define htoni htonl
805# define ntohi ntohl
a687059c
LW		 806#endif
807
a0d0e21e 808/* Configure already sets Direntry_t */
35c8bce7 809#if defined(I_DIRENT)
663a0e37 810# include <dirent.h>
8f1f23e8
W		 811 /* NeXT needs dirent + sys/dir.h */
812# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 813# include <sys/dir.h>
814# endif
ae986130 815#else
fe14fcc3 816# ifdef I_SYS_NDIR
79a0689e 817# include <sys/ndir.h>
663a0e37 818# else
fe14fcc3 819# ifdef I_SYS_DIR
79a0689e
LW		 820# ifdef hp9000s500
821# include <ndir.h> /* may be wrong in the future */
822# else
823# include <sys/dir.h>
824# endif
663a0e37
LW		 825# endif
826# endif
4633a7c4 827#endif
a687059c 828
12ae5dfc
JH		 829#ifdef PERL_MICRO
830# ifndef DIR
831# define DIR void
832# endif
833#endif
834
352d5a3a
LW		 835#ifdef FPUTS_BOTCH
836/* work around botch in SunOS 4.0.1 and 4.0.2 */
837# ifndef fputs
79072805 838# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 839# endif
840#endif
841
c623bd54
LW		 842/*
843 * The following gobbledygook brought to you on behalf of __STDC__.
844 * (I could just use #ifndef __STDC__, but this is more bulletproof
845 * in the face of half-implementations.)
846 */
847
7114a2d2 848#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 849#include <sys/mode.h>
850#endif
851
c623bd54
LW		 852#ifndef S_IFMT
853# ifdef _S_IFMT
854# define S_IFMT _S_IFMT
855# else
856# define S_IFMT 0170000
857# endif
858#endif
859
860#ifndef S_ISDIR
861# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
862#endif
863
864#ifndef S_ISCHR
865# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
866#endif
867
868#ifndef S_ISBLK
fe14fcc3
LW		 869# ifdef S_IFBLK
870# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
871# else
872# define S_ISBLK(m) (0)
873# endif
c623bd54
LW		 874#endif
875
876#ifndef S_ISREG
877# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
878#endif
879
880#ifndef S_ISFIFO
fe14fcc3
LW		 881# ifdef S_IFIFO
882# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
883# else
884# define S_ISFIFO(m) (0)
885# endif
c623bd54
LW		 886#endif
887
888#ifndef S_ISLNK
889# ifdef _S_ISLNK
890# define S_ISLNK(m) _S_ISLNK(m)
891# else
892# ifdef _S_IFLNK
893# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
894# else
895# ifdef S_IFLNK
896# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
897# else
898# define S_ISLNK(m) (0)
899# endif
900# endif
901# endif
902#endif
903
904#ifndef S_ISSOCK
905# ifdef _S_ISSOCK
906# define S_ISSOCK(m) _S_ISSOCK(m)
907# else
908# ifdef _S_IFSOCK
909# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
910# else
911# ifdef S_IFSOCK
912# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
913# else
914# define S_ISSOCK(m) (0)
915# endif
916# endif
917# endif
918#endif
919
920#ifndef S_IRUSR
921# ifdef S_IREAD
922# define S_IRUSR S_IREAD
923# define S_IWUSR S_IWRITE
924# define S_IXUSR S_IEXEC
925# else
926# define S_IRUSR 0400
927# define S_IWUSR 0200
928# define S_IXUSR 0100
929# endif
fac7cdfc
JS		 930#endif
931
932#ifndef S_IRGRP
933# ifdef S_IRUSR
934# define S_IRGRP (S_IRUSR>>3)
935# define S_IWGRP (S_IWUSR>>3)
936# define S_IXGRP (S_IXUSR>>3)
937# else
938# define S_IRGRP 0040
939# define S_IWGRP 0020
940# define S_IXGRP 0010
941# endif
942#endif
943
944#ifndef S_IROTH
945# ifdef S_IRUSR
946# define S_IROTH (S_IRUSR>>6)
947# define S_IWOTH (S_IWUSR>>6)
948# define S_IXOTH (S_IXUSR>>6)
949# else
950# define S_IROTH 0040
951# define S_IWOTH 0020
952# define S_IXOTH 0010
953# endif
c623bd54
LW		 954#endif
955
956#ifndef S_ISUID
957# define S_ISUID 04000
958#endif
959
960#ifndef S_ISGID
961# define S_ISGID 02000
962#endif
963
ca6e1c26
JH		 964#ifndef S_IRWXU
965# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 966#endif
ca6e1c26
JH		 967
968#ifndef S_IRWXG
969# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 970#endif
ca6e1c26
JH		 971
972#ifndef S_IRWXO
973# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 974#endif
ca6e1c26 975
c21fb2b8
JH		 976/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
977 * which would get included through <sys/file.h >, but that is 3000
978 * lines in the future. --jhi */
979
980#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 981# define S_IREAD S_IRUSR
982#endif
983
c21fb2b8 984#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 985# define S_IWRITE S_IWUSR
986#endif
987
988#ifndef S_IEXEC
989# define S_IEXEC S_IXUSR
990#endif
991
79072805
LW		 992#ifdef ff_next
993# undef ff_next
352d5a3a
LW		 994#endif
995
a0d0e21e 996#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 997# define SLOPPYDIVIDE
998#endif
999
748a9306
LW		 1000#ifdef UV
1001#undef UV
1002#endif
1003
c89df6bf
JH		 1004#ifdef SPRINTF_E_BUG
1005# define sprintf UTS_sprintf_wrap
1006#endif
1007
c495e728
JH		 1008/* Configure gets this right but the UTS compiler gets it wrong.
1009 -- Hal Morris <hom00@utsglobal.com> */
1010#ifdef UTS
1011# undef UVTYPE
1012# define UVTYPE unsigned
1013#endif
1014
05f13f53 1015/*
27d4fb96 1016 The IV type is supposed to be long enough to hold any integral
1017 value or a pointer.
1018 --Andy Dougherty August 1996
1019*/
1020
a22e52b9
JH		 1021typedef IVTYPE IV;
1022typedef UVTYPE UV;
8175356b 1023
10cc9d2a 1024#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1025# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1026# define IV_MAX INT64_MAX
1027# define IV_MIN INT64_MIN
1028# define UV_MAX UINT64_MAX
cae7ae48
JH		 1029# ifndef UINT64_MIN
1030# define UINT64_MIN 0
1031# endif
5ff3f7a4
GS		 1032# define UV_MIN UINT64_MIN
1033# else
1034# define IV_MAX PERL_QUAD_MAX
1035# define IV_MIN PERL_QUAD_MIN
1036# define UV_MAX PERL_UQUAD_MAX
1037# define UV_MIN PERL_UQUAD_MIN
1038# endif
cf2093f6
JH		 1039# define IV_IS_QUAD
1040# define UV_IS_QUAD
79072805 1041#else
8175356b 1042# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1043# define IV_MAX INT32_MAX
1044# define IV_MIN INT32_MIN
716026f9
DL		 1045# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1046# define UV_MAX UINT32_MAX
1047# else
1048# define UV_MAX 4294967295U
1049# endif
cae7ae48
JH		 1050# ifndef UINT32_MIN
1051# define UINT32_MIN 0
1052# endif
5ff3f7a4
GS		 1053# define UV_MIN UINT32_MIN
1054# else
1055# define IV_MAX PERL_LONG_MAX
1056# define IV_MIN PERL_LONG_MIN
1057# define UV_MAX PERL_ULONG_MAX
1058# define UV_MIN PERL_ULONG_MIN
1059# endif
8175356b 1060# if IVSIZE == 8
cf2093f6
JH		 1061# define IV_IS_QUAD
1062# define UV_IS_QUAD
de1c2614
JH		 1063# ifndef HAS_QUAD
1064# define HAS_QUAD
1065# endif
cf2093f6
JH		 1066# else
1067# undef IV_IS_QUAD
1068# undef UV_IS_QUAD
de1c2614 1069# undef HAS_QUAD
cf2093f6 1070# endif
79072805 1071#endif
d7d93a81 1072
6cde8aec 1073#if defined(uts) || defined(UTS)
11afe549
HM		 1074# undef UV_MAX
1075# define UV_MAX (4294967295u)
20601011
JH		 1076#endif
1077
cae7ae48 1078#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1079#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1080
28e5dec8 1081#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1082#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1083#endif
1084
d460ef45 1085/*
26bb67e2
JH		 1086 * The macros INT2PTR and NUM2PTR are (despite their names)
1087 * bi-directional: they will convert int/float to or from pointers.
1088 * However the conversion to int/float are named explicitly:
1089 * PTR2IV, PTR2UV, PTR2NV.
1090 *
1091 * For int conversions we do not need two casts if pointers are
1092 * the same size as IV and UV. Otherwise we need an explicit
1093 * cast (PTRV) to avoid compiler warnings.
1094 */
56431972
RB		 1095#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1096# define PTRV UV
1097# define INT2PTR(any,d) (any)(d)
1098#else
d460ef45 1099# if PTRSIZE == LONGSIZE
56431972 1100# define PTRV unsigned long
42718184 1101# else
56431972 1102# define PTRV unsigned
42718184 1103# endif
56431972 1104# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1105#endif
56431972
RB		 1106#define NUM2PTR(any,d) (any)(PTRV)(d)
1107#define PTR2IV(p) INT2PTR(IV,p)
1108#define PTR2UV(p) INT2PTR(UV,p)
1109#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1110#if PTRSIZE == LONGSIZE
d2560b70
RB		 1111# define PTR2ul(p) (unsigned long)(p)
1112#else
1113# define PTR2ul(p) INT2PTR(unsigned long,p)
1114#endif
d460ef45 1115
65202027 1116#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1117# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1118# define LONG_DOUBLE_EQUALS_DOUBLE
1119# endif
68d4903c 1120# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1121# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1122# endif
1123#endif
1124
2d4389e4
JH		 1125#ifdef OVR_DBL_DIG
1126/* Use an overridden DBL_DIG */
1127# ifdef DBL_DIG
1128# undef DBL_DIG
1129# endif
1130# define DBL_DIG OVR_DBL_DIG
1131#else
1132/* The following is all to get DBL_DIG, in order to pick a nice
1133 default value for printing floating point numbers in Gconvert.
1134 (see config.h)
1135*/
1136#ifdef I_LIMITS
1137#include <limits.h>
1138#endif
1139#ifdef I_FLOAT
1140#include <float.h>
1141#endif
1142#ifndef HAS_DBL_DIG
1143#define DBL_DIG 15 /* A guess that works lots of places */
1144#endif
1145#endif
cbca01e1
JH		 1146#ifdef I_FLOAT
1147#include <float.h>
1148#endif
1149#ifndef HAS_DBL_DIG
1150#define DBL_DIG 15 /* A guess that works lots of places */
1151#endif
2d4389e4
JH		 1152
1153#ifdef OVR_LDBL_DIG
1154/* Use an overridden LDBL_DIG */
1155# ifdef LDBL_DIG
1156# undef LDBL_DIG
1157# endif
1158# define LDBL_DIG OVR_LDBL_DIG
1159#else
1160/* The following is all to get LDBL_DIG, in order to pick a nice
1161 default value for printing floating point numbers in Gconvert.
1162 (see config.h)
1163*/
68d4903c
JH		 1164# ifdef I_LIMITS
1165# include <limits.h>
1166# endif
1167# ifdef I_FLOAT
1168# include <float.h>
1169# endif
1170# ifndef HAS_LDBL_DIG
1171# if LONG_DOUBLESIZE == 10
1172# define LDBL_DIG 18 /* assume IEEE */
1173# else
1174# if LONG_DOUBLESIZE == 12
1175# define LDBL_DIG 18 /* gcc? */
1176# else
1177# if LONG_DOUBLESIZE == 16
1178# define LDBL_DIG 33 /* assume IEEE */
1179# else
1180# if LONG_DOUBLESIZE == DOUBLESIZE
1181# define LDBL_DIG DBL_DIG /* bummer */
1182# endif
1183# endif
1184# endif
1185# endif
1186# endif
2d4389e4
JH		 1187#endif
1188
20f6aaab
AS		 1189/*
1190 * This is for making sure we have a good DBL_MAX value, if possible,
1191 * either for usage as NV_MAX or for usage in figuring out if we can
1192 * fit a given long double into a double, if bug-fixing makes it
1193 * necessary to do so. - Allen <allens@cpan.org>
1194 */
1195
1196#if defined(I_VALUES)
1197# if !defined(USE_LONG_DOUBLE) || defined(HAS_LDBL_SPRINTF_BUG)
1198# if (!defined(DBL_MIN) || !defined(DBL_MAX))
1199# include <values.h>
1200# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1201# define DBL_MAX MAXDOUBLE
1202# endif
1203# if defined(MINDOUBLE) && !defined(DBL_MIN)
1204# define DBL_MIN MINDOUBLE
1205# endif
1206# endif
1207# endif
1208#endif
1209
a22e52b9 1210typedef NVTYPE NV;
8175356b 1211
792d8dab
JH		 1212#ifdef I_IEEEFP
1213# include <ieeefp.h>
1214#endif
923fc586 1215
65202027 1216#ifdef USE_LONG_DOUBLE
923fc586
JH		 1217# ifdef I_SUNMATH
1218# include <sunmath.h>
1219# endif
2d4389e4 1220# define NV_DIG LDBL_DIG
d6c14000
JH		 1221# ifdef LDBL_MANT_DIG
1222# define NV_MANT_DIG LDBL_MANT_DIG
1223# endif
06fc1729
JH		 1224# ifdef LDBL_MIN
1225# define NV_MIN LDBL_MIN
1226# endif
1227# ifdef LDBL_MAX
1228# define NV_MAX LDBL_MAX
1229# endif
1230# ifdef LDBL_MIN_10_EXP
1231# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1232# endif
1233# ifdef LDBL_MAX_10_EXP
1234# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1235# endif
1236# ifdef LDBL_EPSILON
1237# define NV_EPSILON LDBL_EPSILON
1238# endif
f4a14a62
JH		 1239# ifdef LDBL_MAX
1240# define NV_MAX LDBL_MAX
20f6aaab 1241/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1242# else
1243# ifdef HUGE_VALL
1244# define NV_MAX HUGE_VALL
1245# else
1246# ifdef HUGE_VAL
1247# define NV_MAX ((NV)HUGE_VAL)
1248# endif
1249# endif
1250# endif
68d4903c 1251# ifdef HAS_SQRTL
68d4903c
JH		 1252# define Perl_cos cosl
1253# define Perl_sin sinl
1254# define Perl_sqrt sqrtl
1255# define Perl_exp expl
1256# define Perl_log logl
1257# define Perl_atan2 atan2l
1258# define Perl_pow powl
1259# define Perl_floor floorl
1260# define Perl_fmod fmodl
1261# endif
a3540c92
JH		 1262/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1263# ifdef HAS_MODFL
1264# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1265/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1266 prototype in <math.h> */
1267# ifndef HAS_MODFL_PROTO
1268long double modfl(long double, long double *);
1269# endif
e82e08d5
JH		 1270# else
1271# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
a3540c92
JH		 1272# endif
1273# ifdef HAS_FREXPL
dff3e0b8 1274# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5
JH		 1275# else
1276# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
a3540c92 1277# endif
38dbb4c5 1278# ifndef Perl_isnan
758a5d79
JH		 1279# ifdef HAS_ISNANL
1280# define Perl_isnan(x) isnanl(x)
1281# endif
1282# endif
1283# ifndef Perl_isinf
1284# ifdef HAS_FINITEL
1285# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1286# endif
1287# endif
65202027 1288#else
2d4389e4 1289# define NV_DIG DBL_DIG
d6c14000
JH		 1290# ifdef DBL_MANT_DIG
1291# define NV_MANT_DIG DBL_MANT_DIG
1292# endif
06fc1729
JH		 1293# ifdef DBL_MIN
1294# define NV_MIN DBL_MIN
1295# endif
1296# ifdef DBL_MAX
1297# define NV_MAX DBL_MAX
1298# endif
1299# ifdef DBL_MIN_10_EXP
1300# define NV_MIN_10_EXP DBL_MIN_10_EXP
1301# endif
1302# ifdef DBL_MAX_10_EXP
1303# define NV_MAX_10_EXP DBL_MAX_10_EXP
1304# endif
1305# ifdef DBL_EPSILON
1306# define NV_EPSILON DBL_EPSILON
1307# endif
f4a14a62
JH		 1308# ifdef DBL_MAX
1309# define NV_MAX DBL_MAX
1310# define NV_MIN DBL_MIN
1311# else
1312# ifdef HUGE_VAL
1313# define NV_MAX HUGE_VAL
1314# endif
1315# endif
65202027
DS		 1316# define Perl_cos cos
1317# define Perl_sin sin
1318# define Perl_sqrt sqrt
1319# define Perl_exp exp
1320# define Perl_log log
1321# define Perl_atan2 atan2
1322# define Perl_pow pow
1323# define Perl_floor floor
65202027 1324# define Perl_fmod fmod
a3540c92 1325# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1326# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1327#endif
1328
1329/* rumor has it that Win32 has _fpclass() */
1330
1331#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1332# ifdef I_IEEFP
1333# include <ieeefp.h>
1334# endif
1335# ifdef I_FP
1336# include <fp.h>
1337# endif
1338# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1339# define Perl_fp_class() fpclassl(x)
1340# else
1341# define Perl_fp_class() fpclass(x)
1342# endif
1343# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1344# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1345# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1346# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1347# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1348# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1349# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1350# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1351# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1352# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1353# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1354# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1355# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1356# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1357# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1358#endif
1359
7114a2d2 1360#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1361# include <math.h>
1362# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1363# include <fp_class.h>
1364# endif
1365# define Perl_fp_class(x) fp_class(x)
1366# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1367# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1368# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1369# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1370# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1371# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1372# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1373# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1374# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1375# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1376# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1377# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1378# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1379# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1380# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1381#endif
1382
1383#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1384# include <math.h>
1385# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1386# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1387# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1388# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1389# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1390# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1391#endif
1392
1393#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1394# include <math.h>
1395# ifndef _cplusplus
1396# define Perl_fp_class(x) class(x)
1397# else
1398# define Perl_fp_class(x) _class(x)
1399# endif
1400# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1401# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1402# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1403# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1404# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1405# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1406# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1407# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1408# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1409# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1410# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1411# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1412# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1413# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1414# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1415#endif
1416
1417/* rumor has it that Win32 has _isnan() */
1418
1419#ifndef Perl_isnan
a3540c92 1420# ifdef HAS_ISNAN
758a5d79
JH		 1421# define Perl_isnan(x) isnan((NV)x)
1422# else
1423# ifdef Perl_fp_class_nan
1424# define Perl_isnan(x) Perl_fp_class_nan(x)
1425# else
1426# ifdef HAS_UNORDERED
1427# define Perl_isnan(x) unordered((x), 0.0)
1428# else
1429# define Perl_isnan(x) ((x)!=(x))
1430# endif
1431# endif
1432# endif
1433#endif
1434
ca6c63e1
JH		 1435#ifdef UNDER_CE
1436int isnan(double d);
1437#endif
1438
758a5d79
JH		 1439#ifndef Perl_isinf
1440# ifdef HAS_ISINF
1441# define Perl_isinf(x) isinf((NV)x)
a3540c92 1442# else
758a5d79
JH		 1443# ifdef Perl_fp_class_inf
1444# define Perl_isinf(x) Perl_fp_class_inf(x)
1445# else
1446# define Perl_isinf(x) ((x)==NV_INF)
1447# endif
1448# endif
1449#endif
1450
1451#ifndef Perl_isfinite
1452# ifdef HAS_FINITE
1453# define Perl_isfinite(x) finite((NV)x)
1454# else
1455# ifdef HAS_ISFINITE
1456# define Perl_isfinite(x) isfinite(x)
1457# else
1458# ifdef Perl_fp_class_finite
1459# define Perl_isfinite(x) Perl_fp_class_finite(x)
1460# else
1461# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1462# endif
1463# endif
a3540c92 1464# endif
65202027
DS		 1465#endif
1466
a36244b7
JH		 1467/* The default is to use Perl's own atof() implementation (in numeric.c).
1468 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1469 * it is however best to use the native implementation of atof.
1470 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1471 * Some good tests to try out with either setting are t/base/num.t,
1472 * t/op/numconvert.t, and t/op/pack.t. */
1473
1474#ifndef USE_PERL_ATOF
1475# ifndef _UNICOS
1476# define USE_PERL_ATOF
1477# endif
1478#else
1479# if USE_PERL_ATOF == 0
1480# undef USE_PERL_ATOF
1481# endif
1482#endif
1483
1484#ifdef USE_PERL_ATOF
1485# define Perl_atof(s) Perl_my_atof(s)
1486# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1487#else
1488# define Perl_atof(s) (NV)atof(s)
1489# define Perl_atof2(s, n) ((n) = atof(s))
1490#endif
cf2093f6 1491
d460ef45 1492/* Previously these definitions used hardcoded figures.
760ac839
LW		 1493 * It is hoped these formula are more portable, although
1494 * no data one way or another is presently known to me.
1495 * The "PERL_" names are used because these calculated constants
1496 * do not meet the ANSI requirements for LONG_MAX, etc., which
1497 * need to be constants acceptable to #if - kja
1498 * define PERL_LONG_MAX 2147483647L
1499 * define PERL_LONG_MIN (-LONG_MAX - 1)
1500 * define PERL ULONG_MAX 4294967295L
1501 */
1502
1503#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1504# include <limits.h>
1505#else
1506#ifdef I_VALUES
1507# include <values.h>
1508#endif
1509#endif
1510
99abf803 1511/*
1512 * Try to figure out max and min values for the integral types. THE CORRECT
1513 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1514 * following hacks are used if neither limits.h or values.h provide them:
1515 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1516 * for types < int: (unsigned TYPE)~(unsigned)0
1517 * The argument to ~ must be unsigned so that later signed->unsigned
1518 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1519 * and it must not be smaller than int because ~ does integral promotion.
1520 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1521 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1522 * The latter is a hack which happens to work on some machines but
1523 * does *not* catch any random system, or things like integer types
1524 * with NaN if that is possible.
1525 *
1526 * All of the types are explicitly cast to prevent accidental loss of
1527 * numeric range, and in the hope that they will be less likely to confuse
1528 * over-eager optimizers.
1529 *
1530 */
27d4fb96 1531
99abf803 1532#define PERL_UCHAR_MIN ((unsigned char)0)
1533
1534#ifdef UCHAR_MAX
1535# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1536#else
99abf803 1537# ifdef MAXUCHAR
1538# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1539# else
99abf803 1540# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1541# endif
1542#endif
d460ef45 1543
99abf803 1544/*
1545 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1546 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1547 * depending on local options. Until Configure detects this (or at least
1548 * detects whether the "signed" keyword is available) the CHAR ranges
1549 * will not be included. UCHAR functions normally.
1550 * - kja
1551 */
27d4fb96 1552
99abf803 1553#define PERL_USHORT_MIN ((unsigned short)0)
1554
1555#ifdef USHORT_MAX
1556# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1557#else
99abf803 1558# ifdef MAXUSHORT
1559# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1560# else
ef2f54b0
CB		 1561# ifdef USHRT_MAX
1562# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1563# else
1564# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1565# endif
27d4fb96 1566# endif
1567#endif
1568
27d4fb96 1569#ifdef SHORT_MAX
99abf803 1570# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1571#else
1572# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1573# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1574# else
ef2f54b0
CB		 1575# ifdef SHRT_MAX
1576# define PERL_SHORT_MAX ((short)SHRT_MAX)
1577# else
1578# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1579# endif
27d4fb96 1580# endif
1581#endif
1582
1583#ifdef SHORT_MIN
99abf803 1584# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1585#else
1586# ifdef MINSHORT
99abf803 1587# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1588# else
ef2f54b0
CB		 1589# ifdef SHRT_MIN
1590# define PERL_SHORT_MIN ((short)SHRT_MIN)
1591# else
1592# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1593# endif
27d4fb96 1594# endif
1595#endif
1596
99abf803 1597#ifdef UINT_MAX
1598# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1599#else
99abf803 1600# ifdef MAXUINT
1601# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1602# else
99abf803 1603# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1604# endif
1605#endif
1606
99abf803 1607#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1608
1609#ifdef INT_MAX
99abf803 1610# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1611#else
1612# ifdef MAXINT /* Often used in <values.h> */
99abf803 1613# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1614# else
99abf803 1615# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1616# endif
1617#endif
1618
1619#ifdef INT_MIN
99abf803 1620# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1621#else
1622# ifdef MININT
99abf803 1623# define PERL_INT_MIN ((int)MININT)
27d4fb96 1624# else
1625# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1626# endif
1627#endif
1628
99abf803 1629#ifdef ULONG_MAX
1630# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1631#else
99abf803 1632# ifdef MAXULONG
1633# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1634# else
99abf803 1635# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1636# endif
1637#endif
1638
99abf803 1639#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1640
760ac839 1641#ifdef LONG_MAX
99abf803 1642# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1643#else
1644# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1645# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1646# else
99abf803 1647# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1648# endif
1649#endif
1650
1651#ifdef LONG_MIN
99abf803 1652# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1653#else
1654# ifdef MINLONG
99abf803 1655# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1656# else
27d4fb96 1657# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1658# endif
1659#endif
1660
d7d93a81 1661#ifdef UV_IS_QUAD
99abf803 1662
99abf803 1663# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1664# define PERL_UQUAD_MIN ((UV)0)
99abf803 1665# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1666# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1667
79072805
LW		 1668#endif
1669
880b20b6
IZ		 1670struct perl_mstats {
1671 UV *nfree;
1672 UV *ntotal;
1673 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1674 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1675 IV minbucket;
1676 /* Level 1 info */
1677 UV *bucket_mem_size;
1678 UV *bucket_available_size;
1679 UV nbuckets;
1680};
830247a4 1681struct RExC_state_t;
880b20b6 1682
ee0007ab 1683typedef MEM_SIZE STRLEN;
450a55e4 1684
79072805
LW		 1685typedef struct op OP;
1686typedef struct cop COP;
1687typedef struct unop UNOP;
1688typedef struct binop BINOP;
1689typedef struct listop LISTOP;
1690typedef struct logop LOGOP;
79072805
LW		 1691typedef struct pmop PMOP;
1692typedef struct svop SVOP;
7934575e 1693typedef struct padop PADOP;
79072805 1694typedef struct pvop PVOP;
79072805
LW		 1695typedef struct loop LOOP;
1696
93a17b20 1697typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1698
1699/* Amdahl's <ksync.h> has struct sv */
1700/* SGI's <sys/sema.h> has struct sv */
1701#if defined(UTS) || defined(__sgi)
1702# define STRUCT_SV perl_sv
b8d3c5db
JH		 1703#else
1704# define STRUCT_SV sv
1705#endif
1706typedef struct STRUCT_SV SV;
79072805
LW		 1707typedef struct av AV;
1708typedef struct hv HV;
1709typedef struct cv CV;
378cc40b 1710typedef struct regexp REGEXP;
79072805 1711typedef struct gp GP;
0c30d9ec 1712typedef struct gv GV;
8990e307 1713typedef struct io IO;
c09156bb 1714typedef struct context PERL_CONTEXT;
79072805
LW		 1715typedef struct block BLOCK;
1716
1717typedef struct magic MAGIC;
ed6116ce 1718typedef struct xrv XRV;
79072805
LW		 1719typedef struct xpv XPV;
1720typedef struct xpviv XPVIV;
ff68c719 1721typedef struct xpvuv XPVUV;
79072805
LW		 1722typedef struct xpvnv XPVNV;
1723typedef struct xpvmg XPVMG;
1724typedef struct xpvlv XPVLV;
1725typedef struct xpvav XPVAV;
1726typedef struct xpvhv XPVHV;
1727typedef struct xpvgv XPVGV;
1728typedef struct xpvcv XPVCV;
1729typedef struct xpvbm XPVBM;
1730typedef struct xpvfm XPVFM;
8990e307 1731typedef struct xpvio XPVIO;
79072805
LW		 1732typedef struct mgvtbl MGVTBL;
1733typedef union any ANY;
5f7fde29
GS		 1734typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1735typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1736typedef struct clone_params CLONE_PARAMS;
1737
8d063cd8 1738
378cc40b 1739#include "handy.h"
a0d0e21e 1740
6b8eaf93 1741#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1742# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1743# define USE_64_BIT_RAWIO /* implicit */
1744# endif
4564133c
JH		 1745#endif
1746
6b8eaf93
JH		 1747/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1748 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1749 * however, because operating systems like to do that themself. */
1750#ifndef FSEEKSIZE
1751# ifdef HAS_FSEEKO
1752# define FSEEKSIZE LSEEKSIZE
1753# else
1754# define FSEEKSIZE LONGSIZE
d460ef45 1755# endif
6b8eaf93
JH		 1756#endif
1757
1758#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1759# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1760# define USE_64_BIT_STDIO /* implicit */
1761# endif
1762#endif
4564133c 1763
09458382 1764#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1765# ifdef HAS_OFF64_T
1766# undef Off_t
1767# define Off_t off64_t
1768# undef LSEEKSIZE
1769# define LSEEKSIZE 8
5ff3f7a4 1770# endif
d9b3e12d
JH		 1771/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1772 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1773 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1774# if defined(USE_OPEN64)
1775# define open open64
5ff3f7a4 1776# endif
d9b3e12d
JH		 1777# if defined(USE_LSEEK64)
1778# define lseek lseek64
6b8eaf93
JH		 1779# else
1780# if defined(USE_LLSEEK)
1781# define lseek llseek
1782# endif
d9b3e12d
JH		 1783# endif
1784# if defined(USE_STAT64)
1785# define stat stat64
1786# endif
1787# if defined(USE_FSTAT64)
1788# define fstat fstat64
1789# endif
1790# if defined(USE_LSTAT64)
1791# define lstat lstat64
1792# endif
1793# if defined(USE_FLOCK64)
1794# define flock flock64
1795# endif
1796# if defined(USE_LOCKF64)
1797# define lockf lockf64
1798# endif
1799# if defined(USE_FCNTL64)
1800# define fcntl fcntl64
1801# endif
1802# if defined(USE_TRUNCATE64)
1803# define truncate truncate64
1804# endif
1805# if defined(USE_FTRUNCATE64)
1806# define ftruncate ftruncate64
1807# endif
1808#endif
1809
1810#ifdef USE_64_BIT_STDIO
1811# ifdef HAS_FPOS64_T
1812# undef Fpos_t
1813# define Fpos_t fpos64_t
1814# endif
1815/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1816 * will trigger defines like the ones below. Some 64-bit environments,
1817 * however, do not. */
1818# if defined(USE_FOPEN64)
1819# define fopen fopen64
1820# endif
1821# if defined(USE_FSEEK64)
6b8eaf93 1822# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1823# endif
1824# if defined(USE_FTELL64)
6b8eaf93 1825# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1826# endif
1827# if defined(USE_FSETPOS64)
1828# define fsetpos fsetpos64
1829# endif
1830# if defined(USE_FGETPOS64)
1831# define fgetpos fgetpos64
1832# endif
1833# if defined(USE_TMPFILE64)
1834# define tmpfile tmpfile64
1835# endif
1836# if defined(USE_FREOPEN64)
1837# define freopen freopen64
5ff3f7a4
GS		 1838# endif
1839#endif
1840
af8b425d 1841#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1842# include "iperlsys.h"
1843#endif
1844
6f71a643 1845#if defined(__OPEN_VM)
19848b3f
JH		 1846# include "vmesa/vmesaish.h"
1847# define ISHISH "vmesa"
6f71a643
JH		 1848#endif
1849
748a9306 1850#ifdef DOSISH
19848b3f
JH		 1851# if defined(OS2)
1852# include "os2ish.h"
1853# else
1854# include "dosish.h"
1855# endif
1856# define ISHISH "dos"
1857#endif
1858
1859#if defined(VMS)
748a9306 1860# include "vmsish.h"
96e176bf 1861# include "embed.h"
19848b3f
JH		 1862# define ISHISH "vms"
1863#endif
1864
1865#if defined(PLAN9)
1866# include "./plan9/plan9ish.h"
1867# define ISHISH "plan9"
1868#endif
1869
1870#if defined(MPE)
1871# include "mpeix/mpeixish.h"
1872# define ISHISH "mpeix"
1873#endif
1874
1875#if defined(__VOS__)
196918b0
PG		 1876# ifdef __GNUC__
1877# include "./vos/vosish.h"
1878# else
1879# include "vos/vosish.h"
1880# endif
19848b3f
JH		 1881# define ISHISH "vos"
1882#endif
1883
1884#if defined(EPOC)
1885# include "epocish.h"
1886# define ISHISH "epoc"
1887#endif
1888
1889#if defined(MACOS_TRADITIONAL)
1890# include "macos/macish.h"
1891# ifndef NO_ENVIRON_ARRAY
1892# define NO_ENVIRON_ARRAY
0c30d9ec 1893# endif
19848b3f
JH		 1894# define ISHISH "macos classic"
1895#endif
1896
efca5cc6
JH		 1897#if defined(__BEOS__)
1898# include "beos/beosish.h"
1899# define ISHISH "beos"
1900#endif
1901
19848b3f
JH		 1902#ifndef ISHISH
1903# include "unixish.h"
1904# define ISHISH "unix"
13b6e58c
JH		 1905#endif
1906
1907#ifndef NO_ENVIRON_ARRAY
1908# define USE_ENVIRON_ARRAY
1909#endif
32f822de 1910
c77b533b
JH		 1911/*
1912 * initialise to avoid floating-point exceptions from overflow, etc
1913 */
1914#ifndef PERL_FPU_INIT
1915# ifdef HAS_FPSETMASK
1916# if HAS_FLOATINGPOINT_H
1917# include <floatingpoint.h>
1918# endif
1919# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1920# else
7014c407
JH		 1921# if defined(SIGFPE) && defined(SIG_IGN)
1922# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1923# else
1924# define PERL_FPU_INIT
1925# endif
c77b533b
JH		 1926# endif
1927#endif
1928
ed344e4f
IZ		 1929#ifndef PERL_SYS_INIT3
1930# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1931#endif
1932
be708cc0
JH		 1933#ifndef PERL_WRITE_MSG_TO_CONSOLE
1934# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1935#endif
1936
0f31cffe
GS		 1937#ifndef MAXPATHLEN
1938# ifdef PATH_MAX
b990c8b2
JH		 1939# ifdef _POSIX_PATH_MAX
1940# if PATH_MAX > _POSIX_PATH_MAX
1941/* MAXPATHLEN is supposed to include the final null character,
1942 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1943# define MAXPATHLEN (PATH_MAX+1)
1944# else
1945# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1946# endif
1947# else
1948# define MAXPATHLEN (PATH_MAX+1)
1949# endif
0f31cffe 1950# else
b990c8b2
JH		 1951# ifdef _POSIX_PATH_MAX
1952# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1953# else
1954# define MAXPATHLEN 1024 /* Err on the large side. */
1955# endif
0f31cffe
GS		 1956# endif
1957#endif
1958
d460ef45 1959/*
4d1ff10f 1960 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1961 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1962 * this results in many functions being undeclared which bothers C++
1963 * May make sense to have threads after "*ish.h" anyway
1964 */
1965
4d1ff10f
AB		 1966#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
1967# if defined(USE_5005THREADS)
79d59c5f
GS		 1968 /* pending resolution of licensing issues, we avoid the erstwhile
1969 * atomic.h everywhere */
1970# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1971# endif
2986a63f
JH		 1972# ifdef NETWARE
1973# include <nw5thread.h>
1974# else
32f822de
GS		 1975# ifdef FAKE_THREADS
1976# include "fakethr.h"
1977# else
1978# ifdef WIN32
1979# include <win32thread.h>
1980# else
dd96f567
IZ		 1981# ifdef OS2
1982# include "os2thread.h"
1983# else
7f3d1cf1 1984# ifdef I_MACH_CTHREADS
bdd66968 1985# include <mach/cthreads.h>
8f1f23e8 1986# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 1987# define MUTEX_INIT_CALLS_MALLOC
1988# endif
7f3d1cf1
BH		 1989typedef cthread_t perl_os_thread;
1990typedef mutex_t perl_mutex;
1991typedef condition_t perl_cond;
1992typedef void * perl_key;
1993# else /* Posix threads */
1f5ae88c
JH		 1994# ifdef I_PTHREAD
1995# include <pthread.h>
1996# endif
7f3d1cf1
BH		 1997typedef pthread_t perl_os_thread;
1998typedef pthread_mutex_t perl_mutex;
1999typedef pthread_cond_t perl_cond;
2000typedef pthread_key_t perl_key;
2001# endif /* I_MACH_CTHREADS */
dd96f567 2002# endif /* OS2 */
32f822de
GS		 2003# endif /* WIN32 */
2004# endif /* FAKE_THREADS */
2986a63f 2005#endif /* NETWARE */
4d1ff10f 2006#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 2007
66a93824 2008#if defined(WIN32)
1feb2720 2009# include "win32.h"
c5be433b
GS		 2010#endif
2011
2986a63f
JH		 2012#ifdef NETWARE
2013# include "netware.h"
2014#endif
2015
68dc0745 2016#ifdef VMS
6b88bc9c 2017# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2018# define STATUS_NATIVE_EXPORT \
d98f61e7 2019 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2020# define STATUS_NATIVE_SET(n) \
2021 STMT_START { \
6b88bc9c
GS		 2022 PL_statusvalue_vms = (n); \
2023 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2024 PL_statusvalue = -1; \
6b88bc9c 2025 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2026 PL_statusvalue = 0; \
6b88bc9c
GS		 2027 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2028 PL_statusvalue = 1 << 8; \
68dc0745 2029 else \
6b88bc9c 2030 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2031 } STMT_END
3280af22 2032# define STATUS_POSIX PL_statusvalue
68dc0745 2033# ifdef VMSISH_STATUS
2034# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2035# else
2036# define STATUS_CURRENT STATUS_POSIX
2037# endif
2038# define STATUS_POSIX_SET(n) \
2039 STMT_START { \
3280af22
NIS		 2040 PL_statusvalue = (n); \
2041 if (PL_statusvalue != -1) { \
2042 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2043 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2044 } \
6b88bc9c 2045 else PL_statusvalue_vms = -1; \
68dc0745 2046 } STMT_END
6b88bc9c
GS		 2047# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2048# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2049#else
2050# define STATUS_NATIVE STATUS_POSIX
2051# define STATUS_NATIVE_EXPORT STATUS_POSIX
2052# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2053# define STATUS_POSIX PL_statusvalue
68dc0745 2054# define STATUS_POSIX_SET(n) \
2055 STMT_START { \
3280af22
NIS		 2056 PL_statusvalue = (n); \
2057 if (PL_statusvalue != -1) \
2058 PL_statusvalue &= 0xFFFF; \
68dc0745 2059 } STMT_END
2060# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2061# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2062# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2063#endif
2064
cc3604b1
GS		 2065/* flags in PL_exit_flags for nature of exit() */
2066#define PERL_EXIT_EXPECTED 0x01
31d77e54 2067#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2068
0b94c7bb 2069#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2070# define MEMBER_TO_FPTR(name) name
2071#endif
2072
2073/* format to use for version numbers in file/directory names */
273cf8d1 2074/* XXX move to Configure? */
a7cb1f99 2075#ifndef PERL_FS_VER_FMT
273cf8d1 2076# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2077#endif
2078
45bc9206 2079/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2080 * performance issue, so we allow people to disable it. Also, if
2081 * we are using stdio, there are broken implementations of fflush(NULL)
2082 * out there, Solaris being the most prominent.
45bc9206
GS		 2083 */
2084#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2085# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2086# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2087# else
2088# ifdef FFLUSH_ALL
2089# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2090# else
c5be433b 2091# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2092# endif
66fe083f 2093# endif
45bc9206
GS		 2094#endif
2095
7766f137
GS		 2096#ifndef PERL_WAIT_FOR_CHILDREN
2097# define PERL_WAIT_FOR_CHILDREN NOOP
2098#endif
2099
ba869deb 2100/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2101#ifndef PERL_SET_INTERP
2102# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2103#endif
2104
2105#ifndef PERL_GET_INTERP
2106# define PERL_GET_INTERP (PL_curinterp)
2107#endif
2108
54aff467 2109#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 2110# ifdef USE_5005THREADS
ba869deb 2111# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS		 2112# else
2113# ifdef MULTIPLICITY
ba869deb 2114# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS		 2115# endif
2116# endif
ba869deb
GS		 2117# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2118#endif
2119
894356b3
GS		 2120#ifndef SVf
2121# ifdef CHECK_FORMAT
2122# define SVf "p"
2123# else
2124# define SVf "_"
d460ef45 2125# endif
894356b3
GS		 2126#endif
2127
d2560b70
RB		 2128#ifndef UVf
2129# ifdef CHECK_FORMAT
2130# define UVf UVuf
2131# else
2132# define UVf "Vu"
d460ef45 2133# endif
d2560b70
RB		 2134#endif
2135
2136#ifndef VDf
2137# ifdef CHECK_FORMAT
2138# define VDf "p"
2139# else
2140# define VDf "vd"
d460ef45 2141# endif
d2560b70
RB		 2142#endif
2143
b3fe4827
RB		 2144#ifndef Nullformat
2145# ifdef CHECK_FORMAT
2146# define Nullformat "%s",""
2147# else
2148# define Nullformat Nullch
2149# endif
2150#endif
2151
3fc1aec6 2152/* Some unistd.h's give a prototype for pause() even though
2153 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2154 below to be rejected by the compiler. Sigh.
3fc1aec6 2155*/
2156#ifdef HAS_PAUSE
2157#define Pause pause
2158#else
2159#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2160#endif
2161
2162#ifndef IOCPARM_LEN
2163# ifdef IOCPARM_MASK
2164 /* on BSDish systes we're safe */
2165# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2166# else
2167 /* otherwise guess at what's safe */
2168# define IOCPARM_LEN(x) 256
2169# endif
a0d0e21e
LW		 2170#endif
2171
1761cee5 2172#if defined(__CYGWIN__)
521e0776
GS		 2173/* USEMYBINMODE
2174 * This symbol, if defined, indicates that the program should
16fe6d59 2175 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2176 * that a file is in "binary" mode -- that is, that no translation
2177 * of bytes occurs on read or write operations.
2178 */
2179# define USEMYBINMODE / **/
16fe6d59
GS		 2180# define my_binmode(fp, iotype, mode) \
2181 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2182#endif
2183
cea2e8a9
GS		 2184#ifdef UNION_ANY_DEFINITION
2185UNION_ANY_DEFINITION;
2186#else
2187union any {
2188 void* any_ptr;
2189 I32 any_i32;
2190 IV any_iv;
2191 long any_long;
c76ac1ee 2192 void (*any_dptr) (void*);
acfe0abc 2193 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2194};
2195#endif
2196
4d1ff10f 2197#ifdef USE_5005THREADS
cea2e8a9
GS		 2198#define ARGSproto struct perl_thread *thr
2199#else
2200#define ARGSproto
4d1ff10f 2201#endif /* USE_5005THREADS */
cea2e8a9 2202
acfe0abc 2203typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2204
2205#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2206#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2207#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2208
c5078cac
JH		 2209#if defined(_AIX) && !defined(_AIX43)
2210#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2211/* We cannot include <crypt.h> to get the struct crypt_data
2212 * because of setkey prototype problems when threading */
2213typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2214 /* From OSF, Not needed in AIX
2215 char C[28], D[28];
2216 */
2217 char E[48];
2218 char KS[16][48];
2219 char block[66];
2220 char iobuf[16];
2221} CRYPTD;
2222#endif /* threading */
2223#endif /* AIX */
2224
af8b425d 2225#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2226# include "iperlsys.h"
2227#endif
378cc40b 2228#include "regexp.h"
79072805 2229#include "sv.h"
378cc40b 2230#include "util.h"
8d063cd8 2231#include "form.h"
79072805
LW		 2232#include "gv.h"
2233#include "cv.h"
abdd5c84 2234#include "opnames.h"
79072805
LW		 2235#include "op.h"
2236#include "cop.h"
2237#include "av.h"
2238#include "hv.h"
2239#include "mg.h"
2240#include "scope.h"
4438c4b7 2241#include "warnings.h"
a0ed51b3 2242#include "utf8.h"
8d063cd8 2243
7fae4e64
GS		 2244/* Current curly descriptor */
2245typedef struct curcur CURCUR;
2246struct curcur {
2247 int parenfloor; /* how far back to strip paren data */
2248 int cur; /* how many instances of scan we've matched */
2249 int min; /* the minimal number of scans to match */
2250 int max; /* the maximal number of scans to match */
2251 int minmod; /* whether to work our way up or down */
2252 regnode * scan; /* the thing to match */
2253 regnode * next; /* what has to match after it */
2254 char * lastloc; /* where we started matching this scan */
2255 CURCUR * oldcc; /* current curly before we started this one */
2256};
2257
2258typedef struct _sublex_info SUBLEXINFO;
2259struct _sublex_info {
2260 I32 super_state; /* lexer state to save */
2261 I32 sub_inwhat; /* "lex_inwhat" to use */
2262 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2263 char *super_bufptr; /* PL_bufptr that was */
2264 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2265};
2266
455ece5e 2267typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2268
2c2d71f5 2269struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2270struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2271
2272typedef I32 CHECKPOINT;
76e3520e 2273
5f7fde29
GS		 2274struct ptr_tbl_ent {
2275 struct ptr_tbl_ent* next;
2276 void* oldval;
2277 void* newval;
d18c6117
GS		 2278};
2279
5f7fde29
GS		 2280struct ptr_tbl {
2281 struct ptr_tbl_ent** tbl_ary;
2282 UV tbl_max;
2283 UV tbl_items;
d18c6117
GS		 2284};
2285
450a55e4 2286#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2287# define I286
2288#endif
2289
fe14fcc3
LW		 2290#if defined(htonl) && !defined(HAS_HTONL)
2291#define HAS_HTONL
ae986130 2292#endif
fe14fcc3
LW		 2293#if defined(htons) && !defined(HAS_HTONS)
2294#define HAS_HTONS
ae986130 2295#endif
fe14fcc3
LW		 2296#if defined(ntohl) && !defined(HAS_NTOHL)
2297#define HAS_NTOHL
ae986130 2298#endif
fe14fcc3
LW		 2299#if defined(ntohs) && !defined(HAS_NTOHS)
2300#define HAS_NTOHS
ae986130 2301#endif
fe14fcc3 2302#ifndef HAS_HTONL
d9d8d8de 2303#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2304#define HAS_HTONS
2305#define HAS_HTONL
2306#define HAS_NTOHS
2307#define HAS_NTOHL
a687059c
LW		 2308#define MYSWAP
2309#define htons my_swap
2310#define htonl my_htonl
2311#define ntohs my_swap
2312#define ntohl my_ntohl
2313#endif
2314#else
d9d8d8de 2315#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2316#undef HAS_HTONS
2317#undef HAS_HTONL
2318#undef HAS_NTOHS
2319#undef HAS_NTOHL
a687059c
LW		 2320#endif
2321#endif
2322
988174c1
LW		 2323/*
2324 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2325 * -DWS
2326 */
2327#if BYTEORDER != 0x1234
2328# define HAS_VTOHL
2329# define HAS_VTOHS
2330# define HAS_HTOVL
2331# define HAS_HTOVS
c67712b2 2332# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2333# define vtohl(x) ((((x)&0xFF)<<24) \
2334 +(((x)>>24)&0xFF) \
2335 +(((x)&0x0000FF00)<<8) \
2336 +(((x)&0x00FF0000)>>8) )
2337# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2338# define htovl(x) vtohl(x)
2339# define htovs(x) vtohs(x)
2340# endif
2341 /* otherwise default to functions in util.c */
2a8c3029 2342#ifndef htovs
c623ac67
GS		 2343short htovs(short n);
2344short vtohs(short n);
2345long htovl(long n);
2346long vtohl(long n);
988174c1 2347#endif
2a8c3029 2348#endif
988174c1 2349
3bb7c1b4
JH		 2350/* *MAX Plus 1. A floating point value.
2351 Hopefully expressed in a way that dodgy floating point can't mess up.
2352 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2353 is added to it
2354 May find that some broken compiler will want the value cast to I32.
2355 [after the shift, as signed >> may not be as secure as unsigned >>]
2356*/
2357#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2358#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2359/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2360 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2361 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2362*/
2363#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2364
3bb7c1b4
JH		 2365#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2366#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2367#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2368
2369/* This may look like unnecessary jumping through hoops, but converting
2370 out of range floating point values to integers *is* undefined behaviour,
2371 and it is starting to bite.
2372*/
2373#ifndef CAST_INLINE
65202027 2374#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2375#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2376#define I_V(what) (cast_iv((NV)(what)))
2377#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2378#else
2379#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2380 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2381 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2382#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2383 : ((n) < U32_MAX_P1 ? (U32) (n) \
2384 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2385#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2386 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2387 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2388#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2389 : ((n) < UV_MAX_P1 ? (UV) (n) \
2390 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2391#endif
2392
2393#define U_S(what) ((U16)U_32(what))
2394#define U_I(what) ((unsigned int)U_32(what))
2395#define U_L(what) U_32(what)
ed6116ce 2396
2d4389e4
JH		 2397/* These do not care about the fractional part, only about the range. */
2398#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2399#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2400
25da4f38
IZ		 2401/* Used with UV/IV arguments: */
2402 /* XXXX: need to speed it up */
2403#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2404#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2405
352d5a3a
LW		 2406#ifndef MAXSYSFD
2407# define MAXSYSFD 2
2408#endif
ee0007ab 2409
79072805 2410#ifndef __cplusplus
e1caacb4 2411#ifndef UNDER_CE
20ce7b12
GS		 2412Uid_t getuid (void);
2413Uid_t geteuid (void);
2414Gid_t getgid (void);
2415Gid_t getegid (void);
79072805 2416#endif
e1caacb4 2417#endif
8d063cd8 2418
0c30d9ec 2419#ifndef Perl_debug_log
bf49b057
GS		 2420# define Perl_debug_log PerlIO_stderr()
2421#endif
2422
2423#ifndef Perl_error_log
2424# define Perl_error_log (PL_stderrgv \
6b78add2 2425 && isGV(PL_stderrgv) \
01bb7c6d 2426 && GvIOp(PL_stderrgv) \
42de951c 2427 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2428 ? IoOFP(GvIOp(PL_stderrgv)) \
2429 : PerlIO_stderr())
0c30d9ec 2430#endif
3967c732 2431
aea4f609
DM		 2432
2433#define DEBUG_p_FLAG 0x00000001 /* 1 */
2434#define DEBUG_s_FLAG 0x00000002 /* 2 */
2435#define DEBUG_l_FLAG 0x00000004 /* 4 */
2436#define DEBUG_t_FLAG 0x00000008 /* 8 */
2437#define DEBUG_o_FLAG 0x00000010 /* 16 */
2438#define DEBUG_c_FLAG 0x00000020 /* 32 */
2439#define DEBUG_P_FLAG 0x00000040 /* 64 */
2440#define DEBUG_m_FLAG 0x00000080 /* 128 */
2441#define DEBUG_f_FLAG 0x00000100 /* 256 */
2442#define DEBUG_r_FLAG 0x00000200 /* 512 */
2443#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2444#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2445#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2446#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2447#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2448#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2449#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2450#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2451#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2452#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2453#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb
NC		 2454#define DEBUG_C_FLAG 0x00200000 /*2097152 */
2455#define DEBUG_MASK 0x003FFFFF /* mask of all the standard flags */
aea4f609
DM		 2456
2457#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2458#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2459 that something was done? */
aea4f609 2460
bd16a5f0
IZ		 2461# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2462# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2463# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2464# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2465# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2466# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2467# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2468# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2469# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2470# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2471# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2472# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
2473# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
2474# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2475# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2476# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2477# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2478# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2479# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2480# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2481# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2482# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
bd16a5f0 2483
3967c732 2484#ifdef DEBUGGING
aea4f609
DM		 2485
2486# undef YYDEBUG
2487# define YYDEBUG 1
2488
bd16a5f0
IZ		 2489# define DEBUG_p_TEST DEBUG_p_TEST_
2490# define DEBUG_s_TEST DEBUG_s_TEST_
2491# define DEBUG_l_TEST DEBUG_l_TEST_
2492# define DEBUG_t_TEST DEBUG_t_TEST_
2493# define DEBUG_o_TEST DEBUG_o_TEST_
2494# define DEBUG_c_TEST DEBUG_c_TEST_
2495# define DEBUG_P_TEST DEBUG_P_TEST_
2496# define DEBUG_m_TEST DEBUG_m_TEST_
2497# define DEBUG_f_TEST DEBUG_f_TEST_
2498# define DEBUG_r_TEST DEBUG_r_TEST_
2499# define DEBUG_x_TEST DEBUG_x_TEST_
2500# define DEBUG_u_TEST DEBUG_u_TEST_
2501# define DEBUG_L_TEST DEBUG_L_TEST_
2502# define DEBUG_H_TEST DEBUG_H_TEST_
2503# define DEBUG_X_TEST DEBUG_X_TEST_
2504# define DEBUG_D_TEST DEBUG_D_TEST_
2505# define DEBUG_S_TEST DEBUG_S_TEST_
2506# define DEBUG_T_TEST DEBUG_T_TEST_
2507# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2508# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2509# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2510# define DEBUG_C_TEST DEBUG_C_TEST_
aea4f609
DM		 2511
2512# define DEB(a) a
2513# define DEBUG(a) if (PL_debug) a
2514# define DEBUG_p(a) if (DEBUG_p_TEST) a
2515# define DEBUG_s(a) if (DEBUG_s_TEST) a
2516# define DEBUG_l(a) if (DEBUG_l_TEST) a
2517# define DEBUG_t(a) if (DEBUG_t_TEST) a
2518# define DEBUG_o(a) if (DEBUG_o_TEST) a
2519# define DEBUG_c(a) if (DEBUG_c_TEST) a
2520# define DEBUG_P(a) if (DEBUG_P_TEST) a
2521
969058bb
VK		 2522 /* Temporarily turn off memory debugging in case the a
2523 * does memory allocation, either directly or indirectly. */
acfe0abc 2524# define DEBUG_m(a) \
0b250b9e 2525 STMT_START { \
aea4f609 2526 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2527 } STMT_END
aea4f609 2528
5f80b19c
AMS		 2529# define DEBUG__(t, a) \
2530 STMT_START { \
2531 if (t) STMT_START {a;} STMT_END; \
2532 } STMT_END
2533
2534# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2535# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2536# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2537# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2538# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2539# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2540# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2541# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2542
4d1ff10f 2543# ifdef USE_5005THREADS
5f80b19c 2544# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ		 2545# else
2546# define DEBUG_S(a)
2547# endif
aea4f609 2548
5f80b19c
AMS		 2549# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2550# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2551# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2552# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
aea4f609
DM		 2553
2554#else /* DEBUGGING */
2555
2556# define DEBUG_p_TEST (0)
2557# define DEBUG_s_TEST (0)
2558# define DEBUG_l_TEST (0)
2559# define DEBUG_t_TEST (0)
2560# define DEBUG_o_TEST (0)
2561# define DEBUG_c_TEST (0)
2562# define DEBUG_P_TEST (0)
2563# define DEBUG_m_TEST (0)
2564# define DEBUG_f_TEST (0)
2565# define DEBUG_r_TEST (0)
2566# define DEBUG_x_TEST (0)
2567# define DEBUG_u_TEST (0)
2568# define DEBUG_L_TEST (0)
2569# define DEBUG_H_TEST (0)
2570# define DEBUG_X_TEST (0)
2571# define DEBUG_D_TEST (0)
2572# define DEBUG_S_TEST (0)
2573# define DEBUG_T_TEST (0)
04932ac8 2574# define DEBUG_R_TEST (0)
1045810a 2575# define DEBUG_J_TEST (0)
d6721266 2576# define DEBUG_v_TEST (0)
46187eeb 2577# define DEBUG_C_TEST (0)
aea4f609
DM		 2578
2579# define DEB(a)
2580# define DEBUG(a)
2581# define DEBUG_p(a)
2582# define DEBUG_s(a)
2583# define DEBUG_l(a)
2584# define DEBUG_t(a)
2585# define DEBUG_o(a)
2586# define DEBUG_c(a)
2587# define DEBUG_P(a)
2588# define DEBUG_m(a)
2589# define DEBUG_f(a)
2590# define DEBUG_r(a)
2591# define DEBUG_x(a)
2592# define DEBUG_u(a)
2593# define DEBUG_L(a)
2594# define DEBUG_H(a)
2595# define DEBUG_X(a)
2596# define DEBUG_D(a)
2597# define DEBUG_S(a)
2598# define DEBUG_T(a)
04932ac8 2599# define DEBUG_R(a)
d6721266 2600# define DEBUG_v(a)
46187eeb 2601# define DEBUG_C(a)
aea4f609
DM		 2602#endif /* DEBUGGING */
2603
2604
d1be9408 2605/* These constants should be used in preference to raw characters
14befaf4
DM		 2606 * when using magic. Note that some perl guts still assume
2607 * certain character properties of these constants, namely that
2608 * isUPPER() and toLOWER() may do useful mappings.
2609 *
2610 * Update the magic_names table in dump.c when adding/amending these
2611 */
2612
2613#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2614#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2615#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2616#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2617#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2618#define PERL_MAGIC_regdata 'D' /* Regex match position data
2619 (@+ and @- vars) */
2620#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2621#define PERL_MAGIC_env 'E' /* %ENV hash */
2622#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2623#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2624#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2625#define PERL_MAGIC_isa 'I' /* @ISA array */
2626#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2627#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2628#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2629#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2630#define PERL_MAGIC_mutex 'm' /* for lock op */
2631#define PERL_MAGIC_shared 'N' /* Shared between threads */
2632#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2633#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2634#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2635#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2636#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2637#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2638#define PERL_MAGIC_sig 'S' /* %SIG hash */
2639#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2640#define PERL_MAGIC_taint 't' /* Taintedness */
2641#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2642#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2643#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2644#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
14befaf4
DM		 2645#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2646#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2647 smart parameter vivification */
2648#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2649#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2650#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2651#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2652#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2653
2654
fe14fcc3 2655#define YYMAXDEPTH 300
8d063cd8 2656
a6e633de 2657#ifndef assert /* <assert.h> might have been included somehow */
a446a88f
NIS		 2658#ifdef DEBUGGING
2659#define assert(what) DEB( { \
2660 if (!(what)) { \
2661 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2662 __FILE__, __LINE__); \
2663 PerlProc_exit(1); \
2664 }})
2665#else
79072805
LW		 2666#define assert(what) DEB( { \
2667 if (!(what)) { \
cea2e8a9 2668 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2669 __FILE__, __LINE__); \
cea2e8a9 2670 PerlProc_exit(1); \
79072805 2671 }})
a6e633de 2672#endif
a446a88f 2673#endif
8d063cd8 2674
450a55e4 2675struct ufuncs {
24f81a43
DM		 2676 I32 (*uf_val)(pTHX_ IV, SV*);
2677 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2678 IV uf_index;
450a55e4
LW		 2679};
2680
14befaf4 2681/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2682 * XS code wanting to be backward compatible can do something
2683 * like the following:
c745e42c 2684
24f81a43 2685#ifndef PERL_MG_UFUNC
24f81a43
DM		 2686#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2687#endif
2688
2689static PERL_MG_UFUNC(foo_get, index, val)
2690{
2691 sv_setsv(val, ...);
2692 return TRUE;
2693}
2694
2695-- Doug MacEachern
2696
2697*/
2698
fc9c74e6 2699#ifndef PERL_MG_UFUNC
24f81a43 2700#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2701#endif
24f81a43 2702
fe14fcc3 2703/* Fix these up for __STDC__ */
68dc0745 2704#ifndef DONT_DECLARE_STD
20ce7b12 2705char *mktemp (char*);
37bd1396 2706#ifndef atof
20ce7b12 2707double atof (const char*);
a0d0e21e 2708#endif
37bd1396 2709#endif
79072805 2710
352d5a3a 2711#ifndef STANDARD_C
fe14fcc3 2712/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2713Time_t time();
8d063cd8 2714struct tm *gmtime(), *localtime();
092bebab 2715#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2716char *(strchr)(), *(strrchr)();
2717char *(strcpy)(), *(strcat)();
2718#else
93a17b20 2719char *strchr(), *strrchr();
378cc40b 2720char *strcpy(), *strcat();
9d116dd7 2721#endif
352d5a3a 2722#endif /* ! STANDARD_C */
8d063cd8 2723
79072805
LW		 2724
2725#ifdef I_MATH
2726# include <math.h>
2727#else
32f822de 2728START_EXTERN_C
20ce7b12
GS		 2729 double exp (double);
2730 double log (double);
2731 double log10 (double);
2732 double sqrt (double);
2733 double frexp (double,int*);
2734 double ldexp (double,int);
2735 double modf (double,double*);
2736 double sin (double);
2737 double cos (double);
2738 double atan2 (double,double);
2739 double pow (double,double);
32f822de 2740END_EXTERN_C
79072805
LW		 2741#endif
2742
aa8b85de
JH		 2743#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2744# define NV_INF LDBL_INFINITY
2745#endif
2746#if !defined(NV_INF) && defined(DBL_INFINITY)
2747# define NV_INF (NV)DBL_INFINITY
2748#endif
2749#if !defined(NV_INF) && defined(INFINITY)
2750# define NV_INF (NV)INFINITY
2751#endif
2752#if !defined(NV_INF) && defined(INF)
2753# define NV_INF (NV)INF
2754#endif
2755#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2756# define NV_INF (NV)HUGE_VALL
2757#endif
2758#if !defined(NV_INF) && defined(HUGE_VAL)
2759# define NV_INF (NV)HUGE_VAL
2760#endif
2761
2762#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2763# if !defined(NV_NAN) && defined(LDBL_NAN)
2764# define NV_NAN LDBL_NAN
2765# endif
2766# if !defined(NV_NAN) && defined(LDBL_QNAN)
2767# define NV_NAN LDBL_QNAN
2768# endif
2769# if !defined(NV_NAN) && defined(LDBL_SNAN)
2770# define NV_NAN LDBL_SNAN
2771# endif
2772#endif
2773#if !defined(NV_NAN) && defined(DBL_NAN)
2774# define NV_NAN (NV)DBL_NAN
2775#endif
2776#if !defined(NV_NAN) && defined(DBL_QNAN)
2777# define NV_NAN (NV)DBL_QNAN
2778#endif
2779#if !defined(NV_NAN) && defined(DBL_SNAN)
2780# define NV_NAN (NV)DBL_SNAN
2781#endif
2782#if !defined(NV_NAN) && defined(QNAN)
2783# define NV_NAN (NV)QNAN
2784#endif
2785#if !defined(NV_NAN) && defined(SNAN)
2786# define NV_NAN (NV)SNAN
2787#endif
2788#if !defined(NV_NAN) && defined(NAN)
2789# define NV_NAN (NV)NAN
2790#endif
2791
a0d0e21e 2792#ifndef __cplusplus
8f1f23e8 2793# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2794char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2795# else
fd8cd3a3 2796# if !defined(WIN32) && !defined(VMS)
10bc17b6 2797#ifndef crypt
20ce7b12 2798char *crypt (const char*, const char*);
10bc17b6 2799#endif
5014db98 2800# endif /* !WIN32 */
8f1f23e8 2801# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2802# ifndef DONT_DECLARE_STD
2803# ifndef getenv
20ce7b12 2804char *getenv (const char*);
26618a56 2805# endif /* !getenv */
28ca6303 2806# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2807# ifdef _FILE_OFFSET_BITS
28ca6303 2808# if _FILE_OFFSET_BITS == 64
20ce7b12 2809Off_t lseek (int,Off_t,int);
0fc67700
JH		 2810# endif
2811# endif
bf0c440f 2812# endif
26618a56 2813# endif /* !DONT_DECLARE_STD */
10bc17b6 2814#ifndef getlogin
20ce7b12 2815char *getlogin (void);
10bc17b6 2816#endif
26618a56 2817#endif /* !__cplusplus */
79072805 2818
16d20bd9 2819#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2820#define UNLINK unlnk
20ce7b12 2821I32 unlnk (char*);
8d063cd8 2822#else
80252599 2823#define UNLINK PerlLIO_unlink
8d063cd8 2824#endif
a687059c 2825
fa0a29af
JH		 2826/* some versions of glibc are missing the setresuid() proto */
2827#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2828int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2829#endif
fa0a29af
JH		 2830/* some versions of glibc are missing the setresgid() proto */
2831#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2832int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2833#endif
2834
fe14fcc3 2835#ifndef HAS_SETREUID
85e6fe83
LW		 2836# ifdef HAS_SETRESUID
2837# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2838# define HAS_SETREUID
2839# endif
a687059c 2840#endif
fe14fcc3 2841#ifndef HAS_SETREGID
85e6fe83
LW		 2842# ifdef HAS_SETRESGID
2843# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2844# define HAS_SETREGID
2845# endif
a687059c 2846#endif
ee0007ab 2847
d543acb6 2848/* Sighandler_t defined in iperlsys.h */
ff68c719 2849
2850#ifdef HAS_SIGACTION
2851typedef struct sigaction Sigsave_t;
2852#else
2853typedef Sighandler_t Sigsave_t;
2854#endif
2855
ee0007ab
LW		 2856#define SCAN_DEF 0
2857#define SCAN_TR 1
2858#define SCAN_REPL 2
79072805
LW		 2859
2860#ifdef DEBUGGING
4633a7c4 2861# ifndef register
a0d0e21e
LW		 2862# define register
2863# endif
2864# define PAD_SV(po) pad_sv(po)
cea2e8a9 2865# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2866#else
6b88bc9c 2867# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2868# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2869#endif
2870
18f739ee 2871#ifdef MYMALLOC
772fe5b3 2872# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2873# define MALLOC_INIT \
2874 STMT_START { \
2875 PL_malloc_mutex = NULL; \
2876 MUTEX_INIT(&PL_malloc_mutex); \
2877 } STMT_END
2878# define MALLOC_TERM \
2879 STMT_START { \
2880 perl_mutex tmp = PL_malloc_mutex; \
2881 PL_malloc_mutex = NULL; \
2882 MUTEX_DESTROY(&tmp); \
2883 } STMT_END
2884# else
2885# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2886# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2887# endif
18f739ee
IZ		 2888#else
2889# define MALLOC_INIT
2890# define MALLOC_TERM
2891#endif
2892
b6d9d515 2893
0cb96387 2894typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2895typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2896typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2897typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2898
940cb80d 2899/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2900#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2901
8f1f23e8
W		 2902/* NeXT has problems with crt0.o globals */
2903#if defined(__DYNAMIC__) && \
2904 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2905# if defined(NeXT) || defined(__NeXT)
2906# include <mach-o/dyld.h>
2907# define environ (*environ_pointer)
0c30d9ec 2908EXT char *** environ_pointer;
8f1f23e8 2909# else
82cabb9e 2910# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W		 2911# include <crt_externs.h> /* for the env array */
2912# define environ (*_NSGetEnviron())
2913# endif
0c30d9ec 2914# endif
8f1f23e8
W		 2915#else
2916 /* VMS and some other platforms don't use the environ array */
13b6e58c 2917# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2918# if !defined(DONT_DECLARE_STD) || \
2919 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2920 defined(__sgi) || \
d460ef45 2921 defined(__DGUX)
8f1f23e8 2922extern char ** environ; /* environment variables supplied via exec */
a6c40364 2923# endif
8f1f23e8
W		 2924# endif
2925#endif
79072805 2926
73c4f7a1
GS		 2927START_EXTERN_C
2928
79072805 2929/* handy constants */
22c35a8c 2930EXTCONST char PL_warn_uninit[]
b89fed5f 2931 INIT("Use of uninitialized value%s%s");
22c35a8c 2932EXTCONST char PL_warn_nosemi[]
463ee0b2 2933 INIT("Semicolon seems to be missing");
22c35a8c 2934EXTCONST char PL_warn_reserved[]
463ee0b2 2935 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2936EXTCONST char PL_warn_nl[]
93a17b20 2937 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2938EXTCONST char PL_no_wrongref[]
a0d0e21e 2939 INIT("Can't use %s ref as %s ref");
22c35a8c 2940EXTCONST char PL_no_symref[]
748a9306 2941 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2942EXTCONST char PL_no_usym[]
8990e307 2943 INIT("Can't use an undefined value as %s reference");
22c35a8c 2944EXTCONST char PL_no_aelem[]
93a17b20 2945 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2946EXTCONST char PL_no_helem[]
93a17b20 2947 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2948EXTCONST char PL_no_modify[]
93a17b20 2949 INIT("Modification of a read-only value attempted");
22c35a8c 2950EXTCONST char PL_no_mem[]
93a17b20 2951 INIT("Out of memory!\n");
22c35a8c 2952EXTCONST char PL_no_security[]
463ee0b2 2953 INIT("Insecure dependency in %s%s");
22c35a8c 2954EXTCONST char PL_no_sock_func[]
93a17b20 2955 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2956EXTCONST char PL_no_dir_func[]
93a17b20 2957 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2958EXTCONST char PL_no_func[]
93a17b20 2959 INIT("The %s function is unimplemented");
22c35a8c 2960EXTCONST char PL_no_myglob[]
748a9306 2961 INIT("\"my\" variable %s can't be in a package");
93a17b20 2962
7575fa06 2963EXTCONST char PL_uuemap[65]
80252599
GS		 2964 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2965
2966
79072805 2967#ifdef DOINIT
22c35a8c
GS		 2968EXT char *PL_sig_name[] = { SIG_NAME };
2969EXT int PL_sig_num[] = { SIG_NUM };
79072805 2970#else
22c35a8c
GS		 2971EXT char *PL_sig_name[];
2972EXT int PL_sig_num[];
79072805
LW		 2973#endif
2974
3bd709b1 2975/* fast conversion and case folding tables */
bbce6d69 2976
79072805 2977#ifdef DOINIT
9d116dd7 2978#ifdef EBCDIC
22c35a8c 2979EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 2980 0, 1, 2, 3, 4, 5, 6, 7,
2981 8, 9, 10, 11, 12, 13, 14, 15,
2982 16, 17, 18, 19, 20, 21, 22, 23,
2983 24, 25, 26, 27, 28, 29, 30, 31,
2984 32, 33, 34, 35, 36, 37, 38, 39,
2985 40, 41, 42, 43, 44, 45, 46, 47,
2986 48, 49, 50, 51, 52, 53, 54, 55,
2987 56, 57, 58, 59, 60, 61, 62, 63,
2988 64, 65, 66, 67, 68, 69, 70, 71,
2989 72, 73, 74, 75, 76, 77, 78, 79,
2990 80, 81, 82, 83, 84, 85, 86, 87,
2991 88, 89, 90, 91, 92, 93, 94, 95,
2992 96, 97, 98, 99, 100, 101, 102, 103,
2993 104, 105, 106, 107, 108, 109, 110, 111,
2994 112, 113, 114, 115, 116, 117, 118, 119,
2995 120, 121, 122, 123, 124, 125, 126, 127,
2996 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2997 'H', 'I', 138, 139, 140, 141, 142, 143,
2998 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2999 'Q', 'R', 154, 155, 156, 157, 158, 159,
3000 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3001 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3002 176, 177, 178, 179, 180, 181, 182, 183,
3003 184, 185, 186, 187, 188, 189, 190, 191,
3004 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3005 'h', 'i', 202, 203, 204, 205, 206, 207,
3006 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3007 'q', 'r', 218, 219, 220, 221, 222, 223,
3008 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3009 'y', 'z', 234, 235, 236, 237, 238, 239,
3010 240, 241, 242, 243, 244, 245, 246, 247,
3011 248, 249, 250, 251, 252, 253, 254, 255
3012};
3013#else /* ascii rather than ebcdic */
22c35a8c 3014EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3015 0, 1, 2, 3, 4, 5, 6, 7,
3016 8, 9, 10, 11, 12, 13, 14, 15,
3017 16, 17, 18, 19, 20, 21, 22, 23,
3018 24, 25, 26, 27, 28, 29, 30, 31,
3019 32, 33, 34, 35, 36, 37, 38, 39,
3020 40, 41, 42, 43, 44, 45, 46, 47,
3021 48, 49, 50, 51, 52, 53, 54, 55,
3022 56, 57, 58, 59, 60, 61, 62, 63,
3023 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3024 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3025 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3026 'x', 'y', 'z', 91, 92, 93, 94, 95,
3027 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3028 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3029 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3030 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3031 128, 129, 130, 131, 132, 133, 134, 135,
3032 136, 137, 138, 139, 140, 141, 142, 143,
3033 144, 145, 146, 147, 148, 149, 150, 151,
3034 152, 153, 154, 155, 156, 157, 158, 159,
3035 160, 161, 162, 163, 164, 165, 166, 167,
3036 168, 169, 170, 171, 172, 173, 174, 175,
3037 176, 177, 178, 179, 180, 181, 182, 183,
3038 184, 185, 186, 187, 188, 189, 190, 191,
3039 192, 193, 194, 195, 196, 197, 198, 199,
3040 200, 201, 202, 203, 204, 205, 206, 207,
3041 208, 209, 210, 211, 212, 213, 214, 215,
3042 216, 217, 218, 219, 220, 221, 222, 223,
3043 224, 225, 226, 227, 228, 229, 230, 231,
3044 232, 233, 234, 235, 236, 237, 238, 239,
3045 240, 241, 242, 243, 244, 245, 246, 247,
3046 248, 249, 250, 251, 252, 253, 254, 255
3047};
9d116dd7 3048#endif /* !EBCDIC */
79072805 3049#else
22c35a8c 3050EXTCONST unsigned char PL_fold[];
79072805
LW		 3051#endif
3052
3053#ifdef DOINIT
22c35a8c 3054EXT unsigned char PL_fold_locale[] = {
79072805
LW		 3055 0, 1, 2, 3, 4, 5, 6, 7,
3056 8, 9, 10, 11, 12, 13, 14, 15,
3057 16, 17, 18, 19, 20, 21, 22, 23,
3058 24, 25, 26, 27, 28, 29, 30, 31,
3059 32, 33, 34, 35, 36, 37, 38, 39,
3060 40, 41, 42, 43, 44, 45, 46, 47,
3061 48, 49, 50, 51, 52, 53, 54, 55,
3062 56, 57, 58, 59, 60, 61, 62, 63,
3063 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3064 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3065 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3066 'x', 'y', 'z', 91, 92, 93, 94, 95,
3067 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3068 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3069 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3070 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3071 128, 129, 130, 131, 132, 133, 134, 135,
3072 136, 137, 138, 139, 140, 141, 142, 143,
3073 144, 145, 146, 147, 148, 149, 150, 151,
3074 152, 153, 154, 155, 156, 157, 158, 159,
3075 160, 161, 162, 163, 164, 165, 166, 167,
3076 168, 169, 170, 171, 172, 173, 174, 175,
3077 176, 177, 178, 179, 180, 181, 182, 183,
3078 184, 185, 186, 187, 188, 189, 190, 191,
3079 192, 193, 194, 195, 196, 197, 198, 199,
3080 200, 201, 202, 203, 204, 205, 206, 207,
3081 208, 209, 210, 211, 212, 213, 214, 215,
3082 216, 217, 218, 219, 220, 221, 222, 223,
3083 224, 225, 226, 227, 228, 229, 230, 231,
3084 232, 233, 234, 235, 236, 237, 238, 239,
3085 240, 241, 242, 243, 244, 245, 246, 247,
3086 248, 249, 250, 251, 252, 253, 254, 255
3087};
3088#else
22c35a8c 3089EXT unsigned char PL_fold_locale[];
79072805
LW		 3090#endif
3091
3092#ifdef DOINIT
9d116dd7 3093#ifdef EBCDIC
22c35a8c 3094EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3095 1, 2, 84, 151, 154, 155, 156, 157,
3096 165, 246, 250, 3, 158, 7, 18, 29,
3097 40, 51, 62, 73, 85, 96, 107, 118,
3098 129, 140, 147, 148, 149, 150, 152, 153,
3099 255, 6, 8, 9, 10, 11, 12, 13,
3100 14, 15, 24, 25, 26, 27, 28, 226,
3101 29, 30, 31, 32, 33, 43, 44, 45,
3102 46, 47, 48, 49, 50, 76, 77, 78,
3103 79, 80, 81, 82, 83, 84, 85, 86,
3104 87, 94, 95, 234, 181, 233, 187, 190,
3105 180, 96, 97, 98, 99, 100, 101, 102,
3106 104, 112, 182, 174, 236, 232, 229, 103,
3107 228, 226, 114, 115, 116, 117, 118, 119,
3108 120, 121, 122, 235, 176, 230, 194, 162,
3109 130, 131, 132, 133, 134, 135, 136, 137,
3110 138, 139, 201, 205, 163, 217, 220, 224,
3111 5, 248, 227, 244, 242, 255, 241, 231,
3112 240, 253, 16, 197, 19, 20, 21, 187,
3113 23, 169, 210, 245, 237, 249, 247, 239,
3114 168, 252, 34, 196, 36, 37, 38, 39,
3115 41, 42, 251, 254, 238, 223, 221, 213,
3116 225, 177, 52, 53, 54, 55, 56, 57,
3117 58, 59, 60, 61, 63, 64, 65, 66,
3118 67, 68, 69, 70, 71, 72, 74, 75,
3119 205, 208, 186, 202, 200, 218, 198, 179,
3120 178, 214, 88, 89, 90, 91, 92, 93,
3121 217, 166, 170, 207, 199, 209, 206, 204,
3122 160, 212, 105, 106, 108, 109, 110, 111,
3123 203, 113, 216, 215, 192, 175, 193, 243,
3124 172, 161, 123, 124, 125, 126, 127, 128,
3125 222, 219, 211, 195, 188, 193, 185, 184,
3126 191, 183, 141, 142, 143, 144, 145, 146
3127};
3128#else /* ascii rather than ebcdic */
22c35a8c 3129EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3130 1, 2, 84, 151, 154, 155, 156, 157,
3131 165, 246, 250, 3, 158, 7, 18, 29,
3132 40, 51, 62, 73, 85, 96, 107, 118,
3133 129, 140, 147, 148, 149, 150, 152, 153,
3134 255, 182, 224, 205, 174, 176, 180, 217,
3135 233, 232, 236, 187, 235, 228, 234, 226,
3136 222, 219, 211, 195, 188, 193, 185, 184,
3137 191, 183, 201, 229, 181, 220, 194, 162,
3138 163, 208, 186, 202, 200, 218, 198, 179,
3139 178, 214, 166, 170, 207, 199, 209, 206,
3140 204, 160, 212, 216, 215, 192, 175, 173,
3141 243, 172, 161, 190, 203, 189, 164, 230,
3142 167, 248, 227, 244, 242, 255, 241, 231,
3143 240, 253, 169, 210, 245, 237, 249, 247,
3144 239, 168, 252, 251, 254, 238, 223, 221,
3145 213, 225, 177, 197, 171, 196, 159, 4,
3146 5, 6, 8, 9, 10, 11, 12, 13,
3147 14, 15, 16, 17, 19, 20, 21, 22,
3148 23, 24, 25, 26, 27, 28, 30, 31,
3149 32, 33, 34, 35, 36, 37, 38, 39,
3150 41, 42, 43, 44, 45, 46, 47, 48,
3151 49, 50, 52, 53, 54, 55, 56, 57,
3152 58, 59, 60, 61, 63, 64, 65, 66,
3153 67, 68, 69, 70, 71, 72, 74, 75,
3154 76, 77, 78, 79, 80, 81, 82, 83,
3155 86, 87, 88, 89, 90, 91, 92, 93,
3156 94, 95, 97, 98, 99, 100, 101, 102,
3157 103, 104, 105, 106, 108, 109, 110, 111,
3158 112, 113, 114, 115, 116, 117, 119, 120,
3159 121, 122, 123, 124, 125, 126, 127, 128,
3160 130, 131, 132, 133, 134, 135, 136, 137,
3161 138, 139, 141, 142, 143, 144, 145, 146
3162};
9d116dd7 3163#endif
79072805 3164#else
22c35a8c 3165EXTCONST unsigned char PL_freq[];
79072805
LW		 3166#endif
3167
8990e307
LW		 3168#ifdef DEBUGGING
3169#ifdef DOINIT
22c35a8c 3170EXTCONST char* PL_block_type[] = {
8990e307
LW		 3171 "NULL",
3172 "SUB",
3173 "EVAL",
3174 "LOOP",
3175 "SUBST",
3176 "BLOCK",
3177};
3178#else
22c35a8c 3179EXTCONST char* PL_block_type[];
8990e307
LW		 3180#endif
3181#endif
3182
73c4f7a1
GS		 3183END_EXTERN_C
3184
79072805
LW		 3185/*****************************************************************************/
3186/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3187/*****************************************************************************/
8990e307 3188/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3189
a0d0e21e
LW		 3190#include "perly.h"
3191
fb73857a 3192#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3193
79072805
LW		 3194typedef enum {
3195 XOPERATOR,
3196 XTERM,
79072805 3197 XREF,
8990e307 3198 XSTATE,
a0d0e21e 3199 XBLOCK,
09bef843
SB		 3200 XATTRBLOCK,
3201 XATTRTERM,
6f33ba73
RGS		 3202 XTERMBLOCK,
3203 XTERMORDORDOR /* evil hack */
79072805
LW		 3204} expectation;
3205
dc9e4912
GS		 3206enum { /* pass one of these to get_vtbl */
3207 want_vtbl_sv,
3208 want_vtbl_env,
3209 want_vtbl_envelem,
3210 want_vtbl_sig,
3211 want_vtbl_sigelem,
3212 want_vtbl_pack,
3213 want_vtbl_packelem,
3214 want_vtbl_dbline,
3215 want_vtbl_isa,
3216 want_vtbl_isaelem,
3217 want_vtbl_arylen,
3218 want_vtbl_glob,
3219 want_vtbl_mglob,
3220 want_vtbl_nkeys,
3221 want_vtbl_taint,
3222 want_vtbl_substr,
3223 want_vtbl_vec,
3224 want_vtbl_pos,
3225 want_vtbl_bm,
3226 want_vtbl_fm,
3227 want_vtbl_uvar,
3228 want_vtbl_defelem,
3229 want_vtbl_regexp,
3230 want_vtbl_collxfrm,
3231 want_vtbl_amagic,
3232 want_vtbl_amagicelem,
4d1ff10f 3233#ifdef USE_5005THREADS
dc9e4912
GS		 3234 want_vtbl_mutex,
3235#endif
3236 want_vtbl_regdata,
810b8aa5
GS		 3237 want_vtbl_regdatum,
3238 want_vtbl_backref
dc9e4912
GS		 3239};
3240
85e6fe83
LW		 3241 /* Note: the lowest 8 bits are reserved for
3242 stuffing into op->op_private */
f3aa04c2 3243#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW		 3244#define HINT_INTEGER 0x00000001
3245#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH		 3246#define HINT_LOCALE 0x00000004
3247#define HINT_BYTES 0x00000008
393fec97 3248/* #define HINT_notused10 0x00000010 */
a0ed51b3 3249 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW		 3250
3251#define HINT_BLOCK_SCOPE 0x00000100
3252#define HINT_STRICT_SUBS 0x00000200
3253#define HINT_STRICT_VARS 0x00000400
3254
b3ac6de7
IZ		 3255#define HINT_NEW_INTEGER 0x00001000
3256#define HINT_NEW_FLOAT 0x00002000
3257#define HINT_NEW_BINARY 0x00004000
3258#define HINT_NEW_STRING 0x00008000
3259#define HINT_NEW_RE 0x00010000
3260#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3261
b3eb6a9b 3262#define HINT_RE_TAINT 0x00100000
e4d48cc9 3263#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3264
5ff3f7a4 3265#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3266#define HINT_UTF8 0x00800000
5ff3f7a4 3267
84d4ea48
JH		 3268#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3269#define HINT_SORT_QUICKSORT 0x00000001
3270#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3271#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3272
8bfdd7d9 3273/* Various states of the input record separator SV (rs) */
d4cce5f1 3274#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3275#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3276#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3277#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3278
128e8167 3279/* A struct for keeping various DEBUGGING related stuff,
ce333219 3280 * neatly packed. Currently only scratch variables for
128e8167
JH		 3281 * constructing debug output are included. Needed always,
3282 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3283struct perl_debug_pad {
3284 SV pad[3];
3285};
3286
3287#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3288#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3289
56953603 3290/* Enable variables which are pointers to functions */
a2efc822 3291typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3292typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3293typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3294 char* strend, char* strbeg, I32 minend,
3295 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3296typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3297 char *strpos, char *strend,
3298 U32 flags,
3299 struct re_scream_pos_data_s *d);
3300typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3301typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3302
c76ac1ee 3303typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3304typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3305typedef void (*SVFUNC_t) (pTHX_ SV*);
3306typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3307typedef void (*XSINIT_t) (pTHX);
3308typedef void (*ATEXIT_t) (pTHX_ void*);
3309typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3310
22239a37
NIS		 3311/* Set up PERLVAR macros for populating structs */
3312#define PERLVAR(var,type) type var;
51371543 3313#define PERLVARA(var,n,type) type var[n];
22239a37 3314#define PERLVARI(var,type,init) type var;
3fe35a81 3315#define PERLVARIC(var,type,init) type var;
22239a37 3316
58a50f62
GS		 3317/* Interpreter exitlist entry */
3318typedef struct exitlistentry {
acfe0abc 3319 void (*fn) (pTHX_ void*);
58a50f62
GS		 3320 void *ptr;
3321} PerlExitListEntry;
3322
22239a37
NIS		 3323#ifdef PERL_GLOBAL_STRUCT
3324struct perl_vars {
7766f137 3325# include "perlvars.h"
22239a37
NIS		 3326};
3327
7766f137 3328# ifdef PERL_CORE
533c011a
NIS		 3329EXT struct perl_vars PL_Vars;
3330EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3331# else /* PERL_CORE */
3332# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3333EXT
7766f137 3334# endif /* WIN32 */
533c011a 3335struct perl_vars *PL_VarsPtr;
7766f137
GS		 3336# define PL_Vars (*((PL_VarsPtr) \
3337 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3338# endif /* PERL_CORE */
22239a37
NIS		 3339#endif /* PERL_GLOBAL_STRUCT */
3340
acfe0abc 3341#if defined(MULTIPLICITY)
d460ef45 3342/* If we have multiple interpreters define a struct
d4cce5f1 3343 holding variables which must be per-interpreter
d460ef45 3344 If we don't have threads anything that would have
d4cce5f1
NIS		 3345 be per-thread is per-interpreter.
3346*/
3347
79072805 3348struct interpreter {
4d1ff10f 3349# ifndef USE_5005THREADS
7766f137
GS		 3350# include "thrdvar.h"
3351# endif
3352# include "intrpvar.h"
3353/*
3354 * The following is a buffer where new variables must
acfe0abc 3355 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3356 */
3357PERLVARA(object_compatibility,30, char)
49f531da 3358};
d4cce5f1 3359
79072805 3360#else
49f531da
NIS		 3361struct interpreter {
3362 char broiled;
3363};
acfe0abc 3364#endif /* MULTIPLICITY */
79072805 3365
4d1ff10f 3366#ifdef USE_5005THREADS
d4cce5f1
NIS		 3367/* If we have threads define a struct with all the variables
3368 * that have to be per-thread
49f531da 3369 */
8023c3ce 3370
79072805 3371
49f531da 3372struct perl_thread {
49f531da 3373#include "thrdvar.h"
79072805 3374};
d4cce5f1 3375
22fae026
TM		 3376typedef struct perl_thread *Thread;
3377
3378#else
3379typedef void *Thread;
22239a37
NIS		 3380#endif
3381
3382/* Done with PERLVAR macros for now ... */
d4cce5f1 3383#undef PERLVAR
51371543 3384#undef PERLVARA
d4cce5f1 3385#undef PERLVARI
3fe35a81 3386#undef PERLVARIC
79072805 3387
22239a37 3388#include "thread.h"
79072805 3389#include "pp.h"
864dbfa3
GS		 3390
3391#ifndef PERL_CALLCONV
3392# define PERL_CALLCONV
d460ef45 3393#endif
864dbfa3 3394
65f19062
GS		 3395#ifndef NEXT30_NO_ATTRIBUTE
3396# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3397# ifdef __attribute__ /* Avoid possible redefinition errors */
3398# undef __attribute__
3399# endif
3400# define __attribute__(attr)
3401# endif
3402#endif
3403
0cb96387
GS		 3404#undef PERL_CKDEF
3405#undef PERL_PPDEF
3406#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3407#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3408
7766f137 3409#include "proto.h"
864dbfa3 3410
0cb96387 3411/* this has structure inits, so it cannot be included before here */
acfe0abc 3412#include "opcode.h"
864dbfa3 3413
d4cce5f1
NIS		 3414/* The following must follow proto.h as #defines mess up syntax */
3415
22c35a8c
GS		 3416#if !defined(PERL_FOR_X2P)
3417# include "embedvar.h"
3418#endif
d4cce5f1 3419
d460ef45 3420/* Now include all the 'global' variables
d4cce5f1 3421 * If we don't have threads or multiple interpreters
d460ef45 3422 * these include variables that would have been their struct-s
d4cce5f1 3423 */
d460ef45 3424
533c011a 3425#define PERLVAR(var,type) EXT type PL_##var;
51371543 3426#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3427#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3428#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3429
acfe0abc 3430#if !defined(MULTIPLICITY)
7766f137 3431START_EXTERN_C
066ef5b5 3432# include "intrpvar.h"
4d1ff10f 3433# ifndef USE_5005THREADS
066ef5b5
GS		 3434# include "thrdvar.h"
3435# endif
7766f137 3436END_EXTERN_C
22239a37
NIS		 3437#endif
3438
acfe0abc 3439#if defined(WIN32)
66a93824 3440/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3441# include "embed.h"
acfe0abc 3442#endif
22239a37 3443
c5be433b
GS		 3444#ifndef PERL_GLOBAL_STRUCT
3445START_EXTERN_C
3446
3447# include "perlvars.h"
3448
3449END_EXTERN_C
3450#endif
3451
d4cce5f1 3452#undef PERLVAR
51371543 3453#undef PERLVARA
d4cce5f1 3454#undef PERLVARI
0f3f18a6 3455#undef PERLVARIC
79072805 3456
73c4f7a1
GS		 3457START_EXTERN_C
3458
79072805 3459#ifdef DOINIT
bbce6d69 3460
68795e93 3461EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3462 MEMBER_TO_FPTR(Perl_magic_set),
3463 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3464 0, 0};
2b260de0
GS		 3465EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3466 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3467 0};
2b260de0
GS		 3468EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3469 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3470 0};
22c35a8c 3471EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3472#ifdef PERL_MICRO
3473EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3474#else
2b260de0
GS		 3475EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3476 MEMBER_TO_FPTR(Perl_magic_setsig),
3477 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3478 0};
64ca3a65 3479#endif
68795e93
NIS		 3480EXT MGVTBL PL_vtbl_pack = {0, 0,
3481 MEMBER_TO_FPTR(Perl_magic_sizepack),
3482 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3483 0};
2b260de0 3484EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3485 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3486 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3487 0};
2b260de0 3488EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3489 0, 0, 0};
2b260de0
GS		 3490EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3491 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3492 0};
2b260de0 3493EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3494 0, 0, 0};
2b260de0
GS		 3495EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3496 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3497 0, 0, 0};
2b260de0
GS		 3498EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3499 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3500 0, 0, 0};
2b260de0 3501EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3502 0, 0, 0};
2b260de0
GS		 3503EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3504 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3505 0, 0, 0};
68795e93
NIS		 3506EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3507 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3508 0, 0, 0};
68795e93
NIS		 3509EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3510 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3511 0, 0, 0};
2b260de0 3512EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3513 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3514 0, 0, 0};
2b260de0
GS		 3515EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3516 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3517 0, 0, 0};
2b260de0 3518EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3519 0, 0, 0};
2b260de0 3520EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3521 0, 0, 0};
2b260de0
GS		 3522EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3523 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3524 0, 0, 0};
4d1ff10f 3525#ifdef USE_5005THREADS
68795e93
NIS		 3526EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0,
3527 MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3528#endif /* USE_5005THREADS */
68795e93
NIS		 3529EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3530 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3531 0, 0, 0};
a0d0e21e 3532
2b260de0
GS		 3533EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3534EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3535EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3536 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3537
36477c24 3538#ifdef USE_LOCALE_COLLATE
22c35a8c 3539EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3540 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3541 0, 0, 0};
3542#endif
a0d0e21e 3543
2b260de0
GS		 3544EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3545 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3546EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3547 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3548
810b8aa5 3549EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3550 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3551
d460ef45
NIS		 3552EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3553 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3554
bbce6d69 3555#else /* !DOINIT */
3556
22c35a8c
GS		 3557EXT MGVTBL PL_vtbl_sv;
3558EXT MGVTBL PL_vtbl_env;
3559EXT MGVTBL PL_vtbl_envelem;
3560EXT MGVTBL PL_vtbl_sig;
3561EXT MGVTBL PL_vtbl_sigelem;
3562EXT MGVTBL PL_vtbl_pack;
3563EXT MGVTBL PL_vtbl_packelem;
3564EXT MGVTBL PL_vtbl_dbline;
3565EXT MGVTBL PL_vtbl_isa;
3566EXT MGVTBL PL_vtbl_isaelem;
3567EXT MGVTBL PL_vtbl_arylen;
3568EXT MGVTBL PL_vtbl_glob;
3569EXT MGVTBL PL_vtbl_mglob;
3570EXT MGVTBL PL_vtbl_nkeys;
3571EXT MGVTBL PL_vtbl_taint;
3572EXT MGVTBL PL_vtbl_substr;
3573EXT MGVTBL PL_vtbl_vec;
3574EXT MGVTBL PL_vtbl_pos;
3575EXT MGVTBL PL_vtbl_bm;
3576EXT MGVTBL PL_vtbl_fm;
3577EXT MGVTBL PL_vtbl_uvar;
d460ef45 3578EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3579
4d1ff10f 3580#ifdef USE_5005THREADS
22c35a8c 3581EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3582#endif /* USE_5005THREADS */
f93b4edd 3583
22c35a8c
GS		 3584EXT MGVTBL PL_vtbl_defelem;
3585EXT MGVTBL PL_vtbl_regexp;
3586EXT MGVTBL PL_vtbl_regdata;
3587EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3588
36477c24 3589#ifdef USE_LOCALE_COLLATE
22c35a8c 3590EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3591#endif
a0d0e21e 3592
22c35a8c
GS		 3593EXT MGVTBL PL_vtbl_amagic;
3594EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3595
810b8aa5
GS		 3596EXT MGVTBL PL_vtbl_backref;
3597
bbce6d69 3598#endif /* !DOINIT */
85e6fe83 3599
f5284f61
IZ		 3600enum {
3601 fallback_amg, abs_amg,
3602 bool__amg, nomethod_amg,
3603 string_amg, numer_amg,
3604 add_amg, add_ass_amg,
3605 subtr_amg, subtr_ass_amg,
3606 mult_amg, mult_ass_amg,
3607 div_amg, div_ass_amg,
3608 modulo_amg, modulo_ass_amg,
3609 pow_amg, pow_ass_amg,
3610 lshift_amg, lshift_ass_amg,
3611 rshift_amg, rshift_ass_amg,
3612 band_amg, band_ass_amg,
3613 bor_amg, bor_ass_amg,
3614 bxor_amg, bxor_ass_amg,
3615 lt_amg, le_amg,
3616 gt_amg, ge_amg,
3617 eq_amg, ne_amg,
3618 ncmp_amg, scmp_amg,
3619 slt_amg, sle_amg,
3620 sgt_amg, sge_amg,
3621 seq_amg, sne_amg,
3622 not_amg, compl_amg,
3623 inc_amg, dec_amg,
3624 atan2_amg, cos_amg,
3625 sin_amg, exp_amg,
3626 log_amg, sqrt_amg,
3627 repeat_amg, repeat_ass_amg,
3628 concat_amg, concat_ass_amg,
3629 copy_amg, neg_amg,
3630 to_sv_amg, to_av_amg,
3631 to_hv_amg, to_gv_amg,
d460ef45 3632 to_cv_amg, iter_amg,
f216259d
IZ		 3633 int_amg, DESTROY_amg,
3634 max_amg_code
64a0062a 3635 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3636};
3637
3638#define NofAMmeth max_amg_code
89ffc314 3639#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3640
a0d0e21e 3641#ifdef DOINIT
22c35a8c 3642EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3643 /* Names kept in the symbol table. fallback => "()", the rest has
3644 "(" prepended. The only other place in perl which knows about
3645 this convention is AMG_id2name (used for debugging output and
3646 'nomethod' only), the only other place which has it hardwired is
3647 overload.pm. */
3648 "()", "(abs", /* "fallback" should be the first. */
3649 "(bool", "(nomethod",
3650 "(\"\"", "(0+",
3651 "(+", "(+=",
3652 "(-", "(-=",
3653 "(*", "(*=",
3654 "(/", "(/=",
3655 "(%", "(%=",
3656 "(**", "(**=",
3657 "(<<", "(<<=",
3658 "(>>", "(>>=",
3659 "(&", "(&=",
3660 "(|", "(|=",
3661 "(^", "(^=",
3662 "(<", "(<=",
3663 "(>", "(>=",
3664 "(==", "(!=",
3665 "(<=>", "(cmp",
3666 "(lt", "(le",
3667 "(gt", "(ge",
3668 "(eq", "(ne",
3669 "(!", "(~",
3670 "(++", "(--",
3671 "(atan2", "(cos",
3672 "(sin", "(exp",
3673 "(log", "(sqrt",
3674 "(x", "(x=",
3675 "(.", "(.=",
3676 "(=", "(neg",
3677 "(${}", "(@{}",
3678 "(%{}", "(*{}",
3679 "(&{}", "(<>",
f216259d 3680 "(int", "DESTROY",
a0d0e21e
LW		 3681};
3682#else
22c35a8c 3683EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3684#endif /* def INITAMAGIC */
3685
73c4f7a1
GS		 3686END_EXTERN_C
3687
a6006777 3688struct am_table {
eb160463 3689 U32 was_ok_sub;
a0d0e21e 3690 long was_ok_am;
a6006777 3691 U32 flags;
3692 CV* table[NofAMmeth];
a0d0e21e
LW		 3693 long fallback;
3694};
a6006777 3695struct am_table_short {
eb160463 3696 U32 was_ok_sub;
a6006777 3697 long was_ok_am;
3698 U32 flags;
3699};
a0d0e21e 3700typedef struct am_table AMT;
a6006777 3701typedef struct am_table_short AMTS;
a0d0e21e
LW		 3702
3703#define AMGfallNEVER 1
3704#define AMGfallNO 2
3705#define AMGfallYES 3
3706
a6006777 3707#define AMTf_AMAGIC 1
32251b26 3708#define AMTf_OVERLOADED 2
a6006777 3709#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3710#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3711#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3712#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3713#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3714#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3715
32251b26 3716#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3717
3718/*
3719 * some compilers like to redefine cos et alia as faster
3720 * (and less accurate?) versions called F_cos et cetera (Quidquid
3721 * latine dictum sit, altum viditur.) This trick collides with
3722 * the Perl overloading (amg). The following #defines fool both.
3723 */
3724
3725#ifdef _FASTMATH
3726# ifdef atan2
3727# define F_atan2_amg atan2_amg
3728# endif
3729# ifdef cos
3730# define F_cos_amg cos_amg
3731# endif
3732# ifdef exp
3733# define F_exp_amg exp_amg
3734# endif
3735# ifdef log
3736# define F_log_amg log_amg
3737# endif
3738# ifdef pow
3739# define F_pow_amg pow_amg
3740# endif
3741# ifdef sin
3742# define F_sin_amg sin_amg
3743# endif
3744# ifdef sqrt
3745# define F_sqrt_amg sqrt_amg
3746# endif
3747#endif /* _FASTMATH */
3748
83ee9e09
GS		 3749#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3750 PERLDBf_NOOPT | PERLDBf_INTER | \
3751 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3752 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3753 /* No _NONAME, _GOTO */
3754#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3755#define PERLDBf_LINE 0x02 /* Keep line # */
3756#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3757#define PERLDBf_INTER 0x08 /* Preserve more data for
3758 later inspections */
3759#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3760#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3761#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3762#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3763#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3764#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3765
3280af22
NIS		 3766#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3767#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3768#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3769#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3770#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE