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Re: [perl #17061] no strict 'garbage'
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a0d0e21e 1/* perl.h
a687059c 2 *
be3c0a43 3 * Copyright (c) 1987-2002, Larry Wall
a687059c 4 *
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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
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10#ifndef H_PERL
11#define H_PERL 1
8d063cd8 12
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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
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20#undef USE_STDIO
21#define USE_STDIO
22#endif /* PERL_FOR_X2P */
23
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24#if defined(DGUX)
25#include <sys/fcntl.h>
26#endif
27
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28#ifdef VOIDUSED
29# undef VOIDUSED
30#endif
0cb96387 31#define VOIDUSED 1
47a51902 32
d460ef45 33#ifdef PERL_MICRO
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34# include "uconfig.h"
35#else
36# include "config.h"
37#endif
0cb96387 38
aaacdc8b
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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*/
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AB
46#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
47# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
aaacdc8b
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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
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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
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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
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61# ifndef PL_OP_SLAB_ALLOC
62# define PL_OP_SLAB_ALLOC
ba979b31
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63# endif
64#endif
65
6f4183fe 66#ifdef USE_ITHREADS
acfe0abc 67# if !defined(MULTIPLICITY)
6f4183fe
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68# define MULTIPLICITY
69# endif
70#endif
71
4d1ff10f 72#ifdef USE_5005THREADS
c5be433b
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73# ifndef PERL_IMPLICIT_CONTEXT
74# define PERL_IMPLICIT_CONTEXT
75# endif
c5be433b
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76#endif
77
c5be433b
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78#if defined(MULTIPLICITY)
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
c5be433b
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82#endif
83
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84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
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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__)
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93# define USE_REENTRANT_API
94#endif
95
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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
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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
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116# define pTHX_1 2
117# define pTHX_2 3
118# define pTHX_3 4
119# define pTHX_4 5
c5be433b
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120#endif
121
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122#define STATIC static
123#define CPERLscope(x) x
565764a8 124#define CPERLarg void
76e3520e 125#define CPERLarg_
e3b8966e 126#define _CPERLarg
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127#define PERL_OBJECT_THIS
128#define _PERL_OBJECT_THIS
129#define PERL_OBJECT_THIS_
312caa8e 130#define CALL_FPTR(fptr) (*fptr)
76e3520e 131
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132#define CALLRUNOPS CALL_FPTR(PL_runops)
133#define CALLREGCOMP CALL_FPTR(PL_regcompp)
134#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
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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)
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138
139#ifdef PERL_FLEXIBLE_EXCEPTIONS
140# define CALLPROTECT CALL_FPTR(PL_protect)
141#endif
312caa8e 142
44dbb695 143#ifdef HASATTRIBUTE
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144# if defined(__GNUC__) && defined(__cplusplus)
145# define PERL_UNUSED_DECL
146# else
147# define PERL_UNUSED_DECL __attribute__((unused))
148# endif
44dbb695
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149#else
150# define PERL_UNUSED_DECL
151#endif
152
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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
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162#ifndef pTHX
163# define pTHX void
164# define pTHX_
0cb96387
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165# define aTHX
166# define aTHX_
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167# define dTHXa(a) dNOOP
168# define dTHX dNOOP
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169# define pTHX_1 1
170# define pTHX_2 2
171# define pTHX_3 3
172# define pTHX_4 4
0cb96387
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173#endif
174
b4f7f263
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175/* these are only defined for compatibility; should not be used internally */
176#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
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177# define pTHXo pTHX
178# define pTHXo_ pTHX_
0cb96387
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179# define aTHXo aTHX
180# define aTHXo_ aTHX_
c5be433b 181# define dTHXo dTHX
71d280e3 182# define dTHXoa(x) dTHXa(x)
0cb96387
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183#endif
184
185#ifndef pTHXx
186# define pTHXx register PerlInterpreter *my_perl
187# define pTHXx_ pTHXx,
0cb96387
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188# define aTHXx my_perl
189# define aTHXx_ aTHXx,
c5be433b 190# define dTHXx dTHX
22c35a8c 191#endif
71be2cbc 192
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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
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202#undef START_EXTERN_C
203#undef END_EXTERN_C
204#undef EXTERN_C
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205#ifdef __cplusplus
206# define START_EXTERN_C extern "C" {
207# define END_EXTERN_C }
208# define EXTERN_C extern "C"
209#else
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210# define START_EXTERN_C
211# define END_EXTERN_C
73c4f7a1 212# define EXTERN_C extern
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213#endif
214
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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));
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220# endif
221#endif
222
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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))
93189314 231# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(PERL_GCC_PEDANTIC) && !defined(__cplusplus)
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PP
232# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
233# define STMT_END )
234# else
235 /* Now which other defined()s do we need here ??? */
93189314 236# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
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PP
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
PP
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 */
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260# define BYTEORDER 0x1234
261#endif
262
263/* Overall memory policy? */
264#ifndef CONSERVATIVE
265# define LIBERAL 1
266#endif
267
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268#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
269#define ASCIIish
270#else
271#undef ASCIIish
272#endif
273
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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)
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284#define DOSISH 1
285#endif
286
2986a63f 287#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
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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
PP
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 */
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298# else
299# define VOL volatile
300# endif
663a0e37 301#else
79072805 302# define VOL
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303#endif
304
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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
PP
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
PP
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
PP
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
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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
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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
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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
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400
401#else /* !USE_NEXT_CTYPE */
fe14fcc3 402#include <ctype.h>
0c30d9ec 403#endif /* USE_NEXT_CTYPE */
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404
405#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
406#undef METHOD
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407#endif
408
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JH
409#ifdef PERL_MICRO
410# define NO_LOCALE
411#endif
412
4633a7c4 413#ifdef I_LOCALE
36477c24 414# include <locale.h>
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LW
415#endif
416
36477c24
PP
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
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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
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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
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456#endif
457
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458#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
459# define MYSWAP
460#endif
461
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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
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466# include "embed.h"
467#endif
468
c31fac66
GS
469#define MEM_SIZE Size_t
470
51371543
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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
PP
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)
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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
PP
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
PP
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
PP
588# ifdef HAS_MEMSET
589# define memzero(d,l) memset(d,0,l)
79072805 590# else
c635e13b
PP
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
PP
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
PP
726
727#ifdef VMS
728# define SETERRNO(errcode,vmserrcode) \
729 STMT_START { \
730 set_errno(errcode); \
731 set_vaxc_errno(vmserrcode); \
732 } STMT_END
93189314
JH
733# define LIB_INVARG LIB$_INVARG
734# define RMS_DIR RMS$_DIR
735# define RMS_FAC RMS$_FAC
736# define RMS_FEX RMS$_FEX
737# define RMS_FNF RMS$_FNF
738# define RMS_IFI RMS$_IFI
739# define RMS_ISI RMS$_ISI
740# define RMS_PRV RMS$_PRV
741# define SS_ACCVIO SS$_ACCVIO
742# define SS_DEVOFFLINE SS$_DEVOFFLINE
743# define SS_IVCHAN SS$_IVCHAN
744# define SS_NORMAL SS$_NORMAL
748a9306 745#else
aba27d88 746# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
747# define LIB_INVARG 0
748# define RMS_DIR 0
749# define RMS_FAC 0
750# define RMS_FEX 0
751# define RMS_FNF 0
752# define RMS_IFI 0
753# define RMS_ISI 0
754# define RMS_PRV 0
755# define SS_ACCVIO 0
756# define SS_DEVOFFLINE 0
757# define SS_IVCHAN 0
758# define SS_NORMAL 0
748a9306 759#endif
ed6116ce 760
4d1ff10f 761#ifdef USE_5005THREADS
38a03e6e 762# define ERRSV (thr->errsv)
940cb80d
MB
763# define DEFSV THREADSV(0)
764# define SAVE_DEFSV save_threadsv(0)
38a03e6e 765#else
3280af22 766# define ERRSV GvSV(PL_errgv)
3280af22
NIS
767# define DEFSV GvSV(PL_defgv)
768# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
4d1ff10f 769#endif /* USE_5005THREADS */
38a03e6e 770
98eae8f5
GS
771#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
772
55497cff 773#ifndef errno
5ff3f7a4
GS
774 extern int errno; /* ANSI allows errno to be an lvalue expr.
775 * For example in multithreaded environments
776 * something like this might happen:
777 * extern int *_errno(void);
778 * #define errno (*_errno()) */
d9d8d8de 779#endif
663a0e37 780
2304df62 781#ifdef HAS_STRERROR
a0d0e21e 782# ifdef VMS
20ce7b12 783 char *strerror (int,...);
a0d0e21e 784# else
68dc0745 785#ifndef DONT_DECLARE_STD
20ce7b12 786 char *strerror (int);
68dc0745 787#endif
a0d0e21e 788# endif
2304df62
AD
789# ifndef Strerror
790# define Strerror strerror
791# endif
792#else
793# ifdef HAS_SYS_ERRLIST
79072805
LW
794 extern int sys_nerr;
795 extern char *sys_errlist[];
2304df62
AD
796# ifndef Strerror
797# define Strerror(e) \
79072805 798 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 799# endif
79072805 800# endif
35c8bce7 801#endif
663a0e37 802
2304df62 803#ifdef I_SYS_IOCTL
79072805
LW
804# ifndef _IOCTL_
805# include <sys/ioctl.h>
806# endif
a687059c
LW
807#endif
808
ee0007ab 809#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
810# ifdef HAS_SOCKETPAIR
811# undef HAS_SOCKETPAIR
812# endif
2304df62
AD
813# ifdef I_NDBM
814# undef I_NDBM
79072805 815# endif
a687059c
LW
816#endif
817
02fc2eee
NC
818#ifndef HAS_SOCKETPAIR
819# ifdef HAS_SOCKET
820# define socketpair Perl_my_socketpair
821# endif
822#endif
823
a687059c 824#if INTSIZE == 2
79072805
LW
825# define htoni htons
826# define ntohi ntohs
a687059c 827#else
79072805
LW
828# define htoni htonl
829# define ntohi ntohl
a687059c
LW
830#endif
831
a0d0e21e 832/* Configure already sets Direntry_t */
35c8bce7 833#if defined(I_DIRENT)
663a0e37 834# include <dirent.h>
8f1f23e8
W
835 /* NeXT needs dirent + sys/dir.h */
836# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
837# include <sys/dir.h>
838# endif
ae986130 839#else
fe14fcc3 840# ifdef I_SYS_NDIR
79a0689e 841# include <sys/ndir.h>
663a0e37 842# else
fe14fcc3 843# ifdef I_SYS_DIR
79a0689e
LW
844# ifdef hp9000s500
845# include <ndir.h> /* may be wrong in the future */
846# else
847# include <sys/dir.h>
848# endif
663a0e37
LW
849# endif
850# endif
4633a7c4 851#endif
a687059c 852
12ae5dfc
JH
853#ifdef PERL_MICRO
854# ifndef DIR
855# define DIR void
856# endif
857#endif
858
352d5a3a
LW
859#ifdef FPUTS_BOTCH
860/* work around botch in SunOS 4.0.1 and 4.0.2 */
861# ifndef fputs
79072805 862# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
863# endif
864#endif
865
c623bd54
LW
866/*
867 * The following gobbledygook brought to you on behalf of __STDC__.
868 * (I could just use #ifndef __STDC__, but this is more bulletproof
869 * in the face of half-implementations.)
870 */
871
7114a2d2 872#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
873#include <sys/mode.h>
874#endif
875
c623bd54
LW
876#ifndef S_IFMT
877# ifdef _S_IFMT
878# define S_IFMT _S_IFMT
879# else
880# define S_IFMT 0170000
881# endif
882#endif
883
884#ifndef S_ISDIR
885# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
886#endif
887
888#ifndef S_ISCHR
889# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
890#endif
891
892#ifndef S_ISBLK
fe14fcc3
LW
893# ifdef S_IFBLK
894# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
895# else
896# define S_ISBLK(m) (0)
897# endif
c623bd54
LW
898#endif
899
900#ifndef S_ISREG
901# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
902#endif
903
904#ifndef S_ISFIFO
fe14fcc3
LW
905# ifdef S_IFIFO
906# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
907# else
908# define S_ISFIFO(m) (0)
909# endif
c623bd54
LW
910#endif
911
912#ifndef S_ISLNK
913# ifdef _S_ISLNK
914# define S_ISLNK(m) _S_ISLNK(m)
915# else
916# ifdef _S_IFLNK
917# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
918# else
919# ifdef S_IFLNK
920# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
921# else
922# define S_ISLNK(m) (0)
923# endif
924# endif
925# endif
926#endif
927
928#ifndef S_ISSOCK
929# ifdef _S_ISSOCK
930# define S_ISSOCK(m) _S_ISSOCK(m)
931# else
932# ifdef _S_IFSOCK
933# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
934# else
935# ifdef S_IFSOCK
936# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
937# else
938# define S_ISSOCK(m) (0)
939# endif
940# endif
941# endif
942#endif
943
944#ifndef S_IRUSR
945# ifdef S_IREAD
946# define S_IRUSR S_IREAD
947# define S_IWUSR S_IWRITE
948# define S_IXUSR S_IEXEC
949# else
950# define S_IRUSR 0400
951# define S_IWUSR 0200
952# define S_IXUSR 0100
953# endif
fac7cdfc 954#endif
955
956#ifndef S_IRGRP
957# ifdef S_IRUSR
958# define S_IRGRP (S_IRUSR>>3)
959# define S_IWGRP (S_IWUSR>>3)
960# define S_IXGRP (S_IXUSR>>3)
961# else
962# define S_IRGRP 0040
963# define S_IWGRP 0020
964# define S_IXGRP 0010
965# endif
966#endif
967
968#ifndef S_IROTH
969# ifdef S_IRUSR
970# define S_IROTH (S_IRUSR>>6)
971# define S_IWOTH (S_IWUSR>>6)
972# define S_IXOTH (S_IXUSR>>6)
973# else
974# define S_IROTH 0040
975# define S_IWOTH 0020
976# define S_IXOTH 0010
977# endif
c623bd54
LW
978#endif
979
980#ifndef S_ISUID
981# define S_ISUID 04000
982#endif
983
984#ifndef S_ISGID
985# define S_ISGID 02000
986#endif
987
ca6e1c26
JH
988#ifndef S_IRWXU
989# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 990#endif
ca6e1c26
JH
991
992#ifndef S_IRWXG
993# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 994#endif
ca6e1c26
JH
995
996#ifndef S_IRWXO
997# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 998#endif
ca6e1c26 999
c21fb2b8
JH
1000/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1001 * which would get included through <sys/file.h >, but that is 3000
1002 * lines in the future. --jhi */
1003
1004#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1005# define S_IREAD S_IRUSR
1006#endif
1007
c21fb2b8 1008#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1009# define S_IWRITE S_IWUSR
1010#endif
1011
1012#ifndef S_IEXEC
1013# define S_IEXEC S_IXUSR
1014#endif
1015
79072805
LW
1016#ifdef ff_next
1017# undef ff_next
352d5a3a
LW
1018#endif
1019
a0d0e21e 1020#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1021# define SLOPPYDIVIDE
1022#endif
1023
748a9306
LW
1024#ifdef UV
1025#undef UV
1026#endif
1027
c89df6bf
JH
1028#ifdef SPRINTF_E_BUG
1029# define sprintf UTS_sprintf_wrap
1030#endif
1031
c495e728
JH
1032/* Configure gets this right but the UTS compiler gets it wrong.
1033 -- Hal Morris <hom00@utsglobal.com> */
1034#ifdef UTS
1035# undef UVTYPE
1036# define UVTYPE unsigned
1037#endif
1038
05f13f53 1039/*
27d4fb96
PP
1040 The IV type is supposed to be long enough to hold any integral
1041 value or a pointer.
1042 --Andy Dougherty August 1996
1043*/
1044
a22e52b9
JH
1045typedef IVTYPE IV;
1046typedef UVTYPE UV;
8175356b 1047
10cc9d2a 1048#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1049# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1050# define IV_MAX INT64_MAX
1051# define IV_MIN INT64_MIN
1052# define UV_MAX UINT64_MAX
cae7ae48
JH
1053# ifndef UINT64_MIN
1054# define UINT64_MIN 0
1055# endif
5ff3f7a4
GS
1056# define UV_MIN UINT64_MIN
1057# else
1058# define IV_MAX PERL_QUAD_MAX
1059# define IV_MIN PERL_QUAD_MIN
1060# define UV_MAX PERL_UQUAD_MAX
1061# define UV_MIN PERL_UQUAD_MIN
1062# endif
cf2093f6
JH
1063# define IV_IS_QUAD
1064# define UV_IS_QUAD
79072805 1065#else
8175356b 1066# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1067# define IV_MAX INT32_MAX
1068# define IV_MIN INT32_MIN
716026f9
DL
1069# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1070# define UV_MAX UINT32_MAX
1071# else
1072# define UV_MAX 4294967295U
1073# endif
cae7ae48
JH
1074# ifndef UINT32_MIN
1075# define UINT32_MIN 0
1076# endif
5ff3f7a4
GS
1077# define UV_MIN UINT32_MIN
1078# else
1079# define IV_MAX PERL_LONG_MAX
1080# define IV_MIN PERL_LONG_MIN
1081# define UV_MAX PERL_ULONG_MAX
1082# define UV_MIN PERL_ULONG_MIN
1083# endif
8175356b 1084# if IVSIZE == 8
cf2093f6
JH
1085# define IV_IS_QUAD
1086# define UV_IS_QUAD
de1c2614
JH
1087# ifndef HAS_QUAD
1088# define HAS_QUAD
1089# endif
cf2093f6
JH
1090# else
1091# undef IV_IS_QUAD
1092# undef UV_IS_QUAD
de1c2614 1093# undef HAS_QUAD
cf2093f6 1094# endif
79072805 1095#endif
d7d93a81 1096
6cde8aec 1097#if defined(uts) || defined(UTS)
11afe549
HM
1098# undef UV_MAX
1099# define UV_MAX (4294967295u)
20601011
JH
1100#endif
1101
cae7ae48 1102#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1103#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1104
28e5dec8 1105#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1106#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1107#endif
1108
d460ef45 1109/*
26bb67e2
JH
1110 * The macros INT2PTR and NUM2PTR are (despite their names)
1111 * bi-directional: they will convert int/float to or from pointers.
1112 * However the conversion to int/float are named explicitly:
1113 * PTR2IV, PTR2UV, PTR2NV.
1114 *
1115 * For int conversions we do not need two casts if pointers are
1116 * the same size as IV and UV. Otherwise we need an explicit
1117 * cast (PTRV) to avoid compiler warnings.
1118 */
56431972
RB
1119#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1120# define PTRV UV
1121# define INT2PTR(any,d) (any)(d)
1122#else
d460ef45 1123# if PTRSIZE == LONGSIZE
56431972 1124# define PTRV unsigned long
42718184 1125# else
56431972 1126# define PTRV unsigned
42718184 1127# endif
56431972 1128# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1129#endif
56431972
RB
1130#define NUM2PTR(any,d) (any)(PTRV)(d)
1131#define PTR2IV(p) INT2PTR(IV,p)
1132#define PTR2UV(p) INT2PTR(UV,p)
1133#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1134#if PTRSIZE == LONGSIZE
d2560b70
RB
1135# define PTR2ul(p) (unsigned long)(p)
1136#else
1137# define PTR2ul(p) INT2PTR(unsigned long,p)
1138#endif
d460ef45 1139
65202027 1140#ifdef USE_LONG_DOUBLE
1048ea30
JH
1141# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1142# define LONG_DOUBLE_EQUALS_DOUBLE
1143# endif
68d4903c 1144# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1145# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1146# endif
1147#endif
1148
2d4389e4
JH
1149#ifdef OVR_DBL_DIG
1150/* Use an overridden DBL_DIG */
1151# ifdef DBL_DIG
1152# undef DBL_DIG
1153# endif
1154# define DBL_DIG OVR_DBL_DIG
1155#else
1156/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1157 default value for printing floating point numbers in Gconvert
1158 (see config.h). (It also has other uses, such as figuring out if
1159 a given precision of printing can be done with a double instead of
1160 a long double - Allen).
2d4389e4
JH
1161*/
1162#ifdef I_LIMITS
1163#include <limits.h>
1164#endif
1165#ifdef I_FLOAT
1166#include <float.h>
1167#endif
1168#ifndef HAS_DBL_DIG
1169#define DBL_DIG 15 /* A guess that works lots of places */
1170#endif
1171#endif
cbca01e1
JH
1172#ifdef I_FLOAT
1173#include <float.h>
1174#endif
1175#ifndef HAS_DBL_DIG
1176#define DBL_DIG 15 /* A guess that works lots of places */
1177#endif
2d4389e4
JH
1178
1179#ifdef OVR_LDBL_DIG
1180/* Use an overridden LDBL_DIG */
1181# ifdef LDBL_DIG
1182# undef LDBL_DIG
1183# endif
1184# define LDBL_DIG OVR_LDBL_DIG
1185#else
1186/* The following is all to get LDBL_DIG, in order to pick a nice
1187 default value for printing floating point numbers in Gconvert.
1188 (see config.h)
1189*/
68d4903c
JH
1190# ifdef I_LIMITS
1191# include <limits.h>
1192# endif
1193# ifdef I_FLOAT
1194# include <float.h>
1195# endif
1196# ifndef HAS_LDBL_DIG
1197# if LONG_DOUBLESIZE == 10
1198# define LDBL_DIG 18 /* assume IEEE */
1199# else
1200# if LONG_DOUBLESIZE == 12
1201# define LDBL_DIG 18 /* gcc? */
1202# else
1203# if LONG_DOUBLESIZE == 16
1204# define LDBL_DIG 33 /* assume IEEE */
1205# else
1206# if LONG_DOUBLESIZE == DOUBLESIZE
1207# define LDBL_DIG DBL_DIG /* bummer */
1208# endif
1209# endif
1210# endif
1211# endif
1212# endif
2d4389e4
JH
1213#endif
1214
20f6aaab
AS
1215/*
1216 * This is for making sure we have a good DBL_MAX value, if possible,
1217 * either for usage as NV_MAX or for usage in figuring out if we can
1218 * fit a given long double into a double, if bug-fixing makes it
1219 * necessary to do so. - Allen <allens@cpan.org>
1220 */
1221
205f51d8
AS
1222#ifdef I_LIMITS
1223# include <limits.h>
20f6aaab
AS
1224#endif
1225
205f51d8
AS
1226#ifdef I_VALUES
1227# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1228# include <values.h>
1229# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1230# define DBL_MAX MAXDOUBLE
1231# endif
1232# if defined(MINDOUBLE) && !defined(DBL_MIN)
1233# define DBL_MIN MINDOUBLE
1234# endif
1235# endif
1236#endif /* defined(I_VALUES) */
1237
a22e52b9 1238typedef NVTYPE NV;
8175356b 1239
792d8dab
JH
1240#ifdef I_IEEEFP
1241# include <ieeefp.h>
1242#endif
923fc586 1243
65202027 1244#ifdef USE_LONG_DOUBLE
923fc586
JH
1245# ifdef I_SUNMATH
1246# include <sunmath.h>
1247# endif
2d4389e4 1248# define NV_DIG LDBL_DIG
d6c14000
JH
1249# ifdef LDBL_MANT_DIG
1250# define NV_MANT_DIG LDBL_MANT_DIG
1251# endif
06fc1729
JH
1252# ifdef LDBL_MIN
1253# define NV_MIN LDBL_MIN
1254# endif
1255# ifdef LDBL_MAX
1256# define NV_MAX LDBL_MAX
1257# endif
1258# ifdef LDBL_MIN_10_EXP
1259# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1260# endif
1261# ifdef LDBL_MAX_10_EXP
1262# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1263# endif
1264# ifdef LDBL_EPSILON
1265# define NV_EPSILON LDBL_EPSILON
1266# endif
f4a14a62
JH
1267# ifdef LDBL_MAX
1268# define NV_MAX LDBL_MAX
20f6aaab 1269/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1270# else
1271# ifdef HUGE_VALL
1272# define NV_MAX HUGE_VALL
1273# else
1274# ifdef HUGE_VAL
1275# define NV_MAX ((NV)HUGE_VAL)
1276# endif
1277# endif
1278# endif
68d4903c 1279# ifdef HAS_SQRTL
68d4903c
JH
1280# define Perl_cos cosl
1281# define Perl_sin sinl
1282# define Perl_sqrt sqrtl
1283# define Perl_exp expl
1284# define Perl_log logl
1285# define Perl_atan2 atan2l
1286# define Perl_pow powl
1287# define Perl_floor floorl
1288# define Perl_fmod fmodl
1289# endif
a3540c92
JH
1290/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1291# ifdef HAS_MODFL
1292# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1293/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1294 prototype in <math.h> */
1295# ifndef HAS_MODFL_PROTO
1296long double modfl(long double, long double *);
1297# endif
e82e08d5
JH
1298# else
1299# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
a3540c92
JH
1300# endif
1301# ifdef HAS_FREXPL
dff3e0b8 1302# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5
JH
1303# else
1304# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
a3540c92 1305# endif
38dbb4c5 1306# ifndef Perl_isnan
758a5d79
JH
1307# ifdef HAS_ISNANL
1308# define Perl_isnan(x) isnanl(x)
1309# endif
1310# endif
1311# ifndef Perl_isinf
1312# ifdef HAS_FINITEL
1313# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1314# endif
1315# endif
65202027 1316#else
2d4389e4 1317# define NV_DIG DBL_DIG
d6c14000
JH
1318# ifdef DBL_MANT_DIG
1319# define NV_MANT_DIG DBL_MANT_DIG
1320# endif
06fc1729
JH
1321# ifdef DBL_MIN
1322# define NV_MIN DBL_MIN
1323# endif
1324# ifdef DBL_MAX
1325# define NV_MAX DBL_MAX
1326# endif
1327# ifdef DBL_MIN_10_EXP
1328# define NV_MIN_10_EXP DBL_MIN_10_EXP
1329# endif
1330# ifdef DBL_MAX_10_EXP
1331# define NV_MAX_10_EXP DBL_MAX_10_EXP
1332# endif
1333# ifdef DBL_EPSILON
1334# define NV_EPSILON DBL_EPSILON
1335# endif
205f51d8 1336# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1337# define NV_MAX DBL_MAX
1338# define NV_MIN DBL_MIN
1339# else
1340# ifdef HUGE_VAL
1341# define NV_MAX HUGE_VAL
1342# endif
1343# endif
65202027
DS
1344# define Perl_cos cos
1345# define Perl_sin sin
1346# define Perl_sqrt sqrt
1347# define Perl_exp exp
1348# define Perl_log log
1349# define Perl_atan2 atan2
1350# define Perl_pow pow
1351# define Perl_floor floor
65202027 1352# define Perl_fmod fmod
a3540c92 1353# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1354# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1355#endif
1356
1357/* rumor has it that Win32 has _fpclass() */
1358
205f51d8
AS
1359/* SGI has fpclassl... but not with the same result values,
1360 * and it's via a typedef (not via #define), so will need to redo Configure
1361 * to use. Not worth the trouble, IMO, at least until the below is used
1362 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1363 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1364 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1365
758a5d79
JH
1366#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1367# ifdef I_IEEFP
1368# include <ieeefp.h>
1369# endif
1370# ifdef I_FP
1371# include <fp.h>
1372# endif
1373# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1374# define Perl_fp_class() fpclassl(x)
1375# else
1376# define Perl_fp_class() fpclass(x)
1377# endif
1378# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1379# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1380# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1381# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1382# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1383# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1384# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1385# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1386# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1387# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1388# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1389# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1390# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1391# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1392# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1393#endif
1394
7114a2d2 1395#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1396# include <math.h>
1397# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1398# include <fp_class.h>
1399# endif
1400# define Perl_fp_class(x) fp_class(x)
1401# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1402# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1403# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1404# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1405# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1406# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1407# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1408# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1409# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1410# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1411# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1412# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1413# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1414# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1415# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1416#endif
1417
1418#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1419# include <math.h>
1420# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1421# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1422# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1423# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1424# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1425# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1426#endif
1427
1428#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1429# include <math.h>
1430# ifndef _cplusplus
1431# define Perl_fp_class(x) class(x)
1432# else
1433# define Perl_fp_class(x) _class(x)
1434# endif
1435# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1436# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1437# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1438# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1439# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1440# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1441# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1442# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1443# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1444# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1445# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1446# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1447# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1448# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1449# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1450#endif
1451
1452/* rumor has it that Win32 has _isnan() */
1453
1454#ifndef Perl_isnan
a3540c92 1455# ifdef HAS_ISNAN
758a5d79
JH
1456# define Perl_isnan(x) isnan((NV)x)
1457# else
1458# ifdef Perl_fp_class_nan
1459# define Perl_isnan(x) Perl_fp_class_nan(x)
1460# else
1461# ifdef HAS_UNORDERED
1462# define Perl_isnan(x) unordered((x), 0.0)
1463# else
1464# define Perl_isnan(x) ((x)!=(x))
1465# endif
1466# endif
1467# endif
1468#endif
1469
ca6c63e1
JH
1470#ifdef UNDER_CE
1471int isnan(double d);
1472#endif
1473
758a5d79
JH
1474#ifndef Perl_isinf
1475# ifdef HAS_ISINF
1476# define Perl_isinf(x) isinf((NV)x)
a3540c92 1477# else
758a5d79
JH
1478# ifdef Perl_fp_class_inf
1479# define Perl_isinf(x) Perl_fp_class_inf(x)
1480# else
1481# define Perl_isinf(x) ((x)==NV_INF)
1482# endif
1483# endif
1484#endif
1485
1486#ifndef Perl_isfinite
1487# ifdef HAS_FINITE
1488# define Perl_isfinite(x) finite((NV)x)
1489# else
1490# ifdef HAS_ISFINITE
1491# define Perl_isfinite(x) isfinite(x)
1492# else
1493# ifdef Perl_fp_class_finite
1494# define Perl_isfinite(x) Perl_fp_class_finite(x)
1495# else
1496# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1497# endif
1498# endif
a3540c92 1499# endif
65202027
DS
1500#endif
1501
a36244b7
JH
1502/* The default is to use Perl's own atof() implementation (in numeric.c).
1503 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1504 * it is however best to use the native implementation of atof.
1505 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1506 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
1507 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1508 * you may need to be using a different function than atof! */
a36244b7
JH
1509
1510#ifndef USE_PERL_ATOF
1511# ifndef _UNICOS
1512# define USE_PERL_ATOF
1513# endif
1514#else
1515# if USE_PERL_ATOF == 0
1516# undef USE_PERL_ATOF
1517# endif
1518#endif
1519
1520#ifdef USE_PERL_ATOF
1521# define Perl_atof(s) Perl_my_atof(s)
1522# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1523#else
1524# define Perl_atof(s) (NV)atof(s)
1525# define Perl_atof2(s, n) ((n) = atof(s))
1526#endif
cf2093f6 1527
d460ef45 1528/* Previously these definitions used hardcoded figures.
760ac839
LW
1529 * It is hoped these formula are more portable, although
1530 * no data one way or another is presently known to me.
1531 * The "PERL_" names are used because these calculated constants
1532 * do not meet the ANSI requirements for LONG_MAX, etc., which
1533 * need to be constants acceptable to #if - kja
1534 * define PERL_LONG_MAX 2147483647L
1535 * define PERL_LONG_MIN (-LONG_MAX - 1)
1536 * define PERL ULONG_MAX 4294967295L
1537 */
1538
1539#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1540# include <limits.h>
760ac839 1541#endif
205f51d8
AS
1542/* Included values.h above if necessary; still including limits.h down here,
1543 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1544
99abf803
PP
1545/*
1546 * Try to figure out max and min values for the integral types. THE CORRECT
1547 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1548 * following hacks are used if neither limits.h or values.h provide them:
1549 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1550 * for types < int: (unsigned TYPE)~(unsigned)0
1551 * The argument to ~ must be unsigned so that later signed->unsigned
1552 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1553 * and it must not be smaller than int because ~ does integral promotion.
1554 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1555 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1556 * The latter is a hack which happens to work on some machines but
1557 * does *not* catch any random system, or things like integer types
1558 * with NaN if that is possible.
1559 *
1560 * All of the types are explicitly cast to prevent accidental loss of
1561 * numeric range, and in the hope that they will be less likely to confuse
1562 * over-eager optimizers.
1563 *
1564 */
27d4fb96 1565
99abf803
PP
1566#define PERL_UCHAR_MIN ((unsigned char)0)
1567
1568#ifdef UCHAR_MAX
1569# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1570#else
99abf803
PP
1571# ifdef MAXUCHAR
1572# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1573# else
99abf803 1574# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
1575# endif
1576#endif
d460ef45 1577
99abf803
PP
1578/*
1579 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1580 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1581 * depending on local options. Until Configure detects this (or at least
1582 * detects whether the "signed" keyword is available) the CHAR ranges
1583 * will not be included. UCHAR functions normally.
1584 * - kja
1585 */
27d4fb96 1586
99abf803
PP
1587#define PERL_USHORT_MIN ((unsigned short)0)
1588
1589#ifdef USHORT_MAX
1590# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1591#else
99abf803
PP
1592# ifdef MAXUSHORT
1593# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1594# else
ef2f54b0
CB
1595# ifdef USHRT_MAX
1596# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1597# else
1598# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1599# endif
27d4fb96
PP
1600# endif
1601#endif
1602
27d4fb96 1603#ifdef SHORT_MAX
99abf803 1604# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
1605#else
1606# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1607# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1608# else
ef2f54b0
CB
1609# ifdef SHRT_MAX
1610# define PERL_SHORT_MAX ((short)SHRT_MAX)
1611# else
1612# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1613# endif
27d4fb96
PP
1614# endif
1615#endif
1616
1617#ifdef SHORT_MIN
99abf803 1618# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
1619#else
1620# ifdef MINSHORT
99abf803 1621# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1622# else
ef2f54b0
CB
1623# ifdef SHRT_MIN
1624# define PERL_SHORT_MIN ((short)SHRT_MIN)
1625# else
1626# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1627# endif
27d4fb96
PP
1628# endif
1629#endif
1630
99abf803
PP
1631#ifdef UINT_MAX
1632# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1633#else
99abf803
PP
1634# ifdef MAXUINT
1635# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1636# else
99abf803 1637# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
1638# endif
1639#endif
1640
99abf803 1641#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
1642
1643#ifdef INT_MAX
99abf803 1644# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
1645#else
1646# ifdef MAXINT /* Often used in <values.h> */
99abf803 1647# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1648# else
99abf803 1649# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
1650# endif
1651#endif
1652
1653#ifdef INT_MIN
99abf803 1654# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
1655#else
1656# ifdef MININT
99abf803 1657# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
1658# else
1659# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1660# endif
1661#endif
1662
99abf803
PP
1663#ifdef ULONG_MAX
1664# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1665#else
99abf803
PP
1666# ifdef MAXULONG
1667# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1668# else
99abf803 1669# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
1670# endif
1671#endif
1672
99abf803 1673#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1674
760ac839 1675#ifdef LONG_MAX
99abf803 1676# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
1677#else
1678# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1679# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1680# else
99abf803 1681# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
1682# endif
1683#endif
1684
1685#ifdef LONG_MIN
99abf803 1686# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
1687#else
1688# ifdef MINLONG
99abf803 1689# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1690# else
27d4fb96 1691# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
1692# endif
1693#endif
1694
d7d93a81 1695#ifdef UV_IS_QUAD
99abf803 1696
99abf803 1697# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1698# define PERL_UQUAD_MIN ((UV)0)
99abf803 1699# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1700# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1701
79072805
LW
1702#endif
1703
880b20b6
IZ
1704struct perl_mstats {
1705 UV *nfree;
1706 UV *ntotal;
1707 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1708 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1709 IV minbucket;
1710 /* Level 1 info */
1711 UV *bucket_mem_size;
1712 UV *bucket_available_size;
1713 UV nbuckets;
1714};
830247a4 1715struct RExC_state_t;
880b20b6 1716
ee0007ab 1717typedef MEM_SIZE STRLEN;
450a55e4 1718
79072805
LW
1719typedef struct op OP;
1720typedef struct cop COP;
1721typedef struct unop UNOP;
1722typedef struct binop BINOP;
1723typedef struct listop LISTOP;
1724typedef struct logop LOGOP;
79072805
LW
1725typedef struct pmop PMOP;
1726typedef struct svop SVOP;
7934575e 1727typedef struct padop PADOP;
79072805 1728typedef struct pvop PVOP;
79072805
LW
1729typedef struct loop LOOP;
1730
93a17b20 1731typedef struct interpreter PerlInterpreter;
d2b3f365
SS
1732
1733/* Amdahl's <ksync.h> has struct sv */
1734/* SGI's <sys/sema.h> has struct sv */
1735#if defined(UTS) || defined(__sgi)
1736# define STRUCT_SV perl_sv
b8d3c5db
JH
1737#else
1738# define STRUCT_SV sv
1739#endif
1740typedef struct STRUCT_SV SV;
79072805
LW
1741typedef struct av AV;
1742typedef struct hv HV;
1743typedef struct cv CV;
378cc40b 1744typedef struct regexp REGEXP;
79072805 1745typedef struct gp GP;
0c30d9ec 1746typedef struct gv GV;
8990e307 1747typedef struct io IO;
c09156bb 1748typedef struct context PERL_CONTEXT;
79072805
LW
1749typedef struct block BLOCK;
1750
1751typedef struct magic MAGIC;
ed6116ce 1752typedef struct xrv XRV;
79072805
LW
1753typedef struct xpv XPV;
1754typedef struct xpviv XPVIV;
ff68c719 1755typedef struct xpvuv XPVUV;
79072805
LW
1756typedef struct xpvnv XPVNV;
1757typedef struct xpvmg XPVMG;
1758typedef struct xpvlv XPVLV;
1759typedef struct xpvav XPVAV;
1760typedef struct xpvhv XPVHV;
1761typedef struct xpvgv XPVGV;
1762typedef struct xpvcv XPVCV;
1763typedef struct xpvbm XPVBM;
1764typedef struct xpvfm XPVFM;
8990e307 1765typedef struct xpvio XPVIO;
79072805
LW
1766typedef struct mgvtbl MGVTBL;
1767typedef union any ANY;
5f7fde29
GS
1768typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1769typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
1770typedef struct clone_params CLONE_PARAMS;
1771
8d063cd8 1772
378cc40b 1773#include "handy.h"
a0d0e21e 1774
6b8eaf93 1775#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
1776# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1777# define USE_64_BIT_RAWIO /* implicit */
1778# endif
4564133c
JH
1779#endif
1780
6b8eaf93
JH
1781/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1782 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1783 * however, because operating systems like to do that themself. */
1784#ifndef FSEEKSIZE
1785# ifdef HAS_FSEEKO
1786# define FSEEKSIZE LSEEKSIZE
1787# else
1788# define FSEEKSIZE LONGSIZE
d460ef45 1789# endif
6b8eaf93
JH
1790#endif
1791
1792#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
1793# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1794# define USE_64_BIT_STDIO /* implicit */
1795# endif
1796#endif
4564133c 1797
09458382 1798#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
1799# ifdef HAS_OFF64_T
1800# undef Off_t
1801# define Off_t off64_t
1802# undef LSEEKSIZE
1803# define LSEEKSIZE 8
5ff3f7a4 1804# endif
d9b3e12d
JH
1805/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1806 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1807 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
1808# if defined(USE_OPEN64)
1809# define open open64
5ff3f7a4 1810# endif
d9b3e12d
JH
1811# if defined(USE_LSEEK64)
1812# define lseek lseek64
6b8eaf93
JH
1813# else
1814# if defined(USE_LLSEEK)
1815# define lseek llseek
1816# endif
d9b3e12d
JH
1817# endif
1818# if defined(USE_STAT64)
1819# define stat stat64
1820# endif
1821# if defined(USE_FSTAT64)
1822# define fstat fstat64
1823# endif
1824# if defined(USE_LSTAT64)
1825# define lstat lstat64
1826# endif
1827# if defined(USE_FLOCK64)
1828# define flock flock64
1829# endif
1830# if defined(USE_LOCKF64)
1831# define lockf lockf64
1832# endif
1833# if defined(USE_FCNTL64)
1834# define fcntl fcntl64
1835# endif
1836# if defined(USE_TRUNCATE64)
1837# define truncate truncate64
1838# endif
1839# if defined(USE_FTRUNCATE64)
1840# define ftruncate ftruncate64
1841# endif
1842#endif
1843
1844#ifdef USE_64_BIT_STDIO
1845# ifdef HAS_FPOS64_T
1846# undef Fpos_t
1847# define Fpos_t fpos64_t
1848# endif
1849/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1850 * will trigger defines like the ones below. Some 64-bit environments,
1851 * however, do not. */
1852# if defined(USE_FOPEN64)
1853# define fopen fopen64
1854# endif
1855# if defined(USE_FSEEK64)
6b8eaf93 1856# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
1857# endif
1858# if defined(USE_FTELL64)
6b8eaf93 1859# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
1860# endif
1861# if defined(USE_FSETPOS64)
1862# define fsetpos fsetpos64
1863# endif
1864# if defined(USE_FGETPOS64)
1865# define fgetpos fgetpos64
1866# endif
1867# if defined(USE_TMPFILE64)
1868# define tmpfile tmpfile64
1869# endif
1870# if defined(USE_FREOPEN64)
1871# define freopen freopen64
5ff3f7a4
GS
1872# endif
1873#endif
1874
af8b425d 1875#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
1876# include "iperlsys.h"
1877#endif
1878
6f71a643 1879#if defined(__OPEN_VM)
19848b3f
JH
1880# include "vmesa/vmesaish.h"
1881# define ISHISH "vmesa"
6f71a643
JH
1882#endif
1883
748a9306 1884#ifdef DOSISH
19848b3f
JH
1885# if defined(OS2)
1886# include "os2ish.h"
1887# else
1888# include "dosish.h"
1889# endif
1890# define ISHISH "dos"
1891#endif
1892
1893#if defined(VMS)
748a9306 1894# include "vmsish.h"
96e176bf 1895# include "embed.h"
19848b3f
JH
1896# define ISHISH "vms"
1897#endif
1898
1899#if defined(PLAN9)
1900# include "./plan9/plan9ish.h"
1901# define ISHISH "plan9"
1902#endif
1903
1904#if defined(MPE)
1905# include "mpeix/mpeixish.h"
1906# define ISHISH "mpeix"
1907#endif
1908
1909#if defined(__VOS__)
196918b0
PG
1910# ifdef __GNUC__
1911# include "./vos/vosish.h"
1912# else
1913# include "vos/vosish.h"
1914# endif
19848b3f
JH
1915# define ISHISH "vos"
1916#endif
1917
1918#if defined(EPOC)
1919# include "epocish.h"
1920# define ISHISH "epoc"
1921#endif
1922
1923#if defined(MACOS_TRADITIONAL)
1924# include "macos/macish.h"
1925# ifndef NO_ENVIRON_ARRAY
1926# define NO_ENVIRON_ARRAY
0c30d9ec 1927# endif
19848b3f
JH
1928# define ISHISH "macos classic"
1929#endif
1930
efca5cc6
JH
1931#if defined(__BEOS__)
1932# include "beos/beosish.h"
1933# define ISHISH "beos"
1934#endif
1935
19848b3f
JH
1936#ifndef ISHISH
1937# include "unixish.h"
1938# define ISHISH "unix"
13b6e58c
JH
1939#endif
1940
1941#ifndef NO_ENVIRON_ARRAY
1942# define USE_ENVIRON_ARRAY
1943#endif
32f822de 1944
c77b533b
JH
1945/*
1946 * initialise to avoid floating-point exceptions from overflow, etc
1947 */
1948#ifndef PERL_FPU_INIT
1949# ifdef HAS_FPSETMASK
1950# if HAS_FLOATINGPOINT_H
1951# include <floatingpoint.h>
1952# endif
1953# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1954# else
7014c407
JH
1955# if defined(SIGFPE) && defined(SIG_IGN)
1956# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1957# else
1958# define PERL_FPU_INIT
1959# endif
c77b533b
JH
1960# endif
1961#endif
1962
ed344e4f
IZ
1963#ifndef PERL_SYS_INIT3
1964# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1965#endif
1966
be708cc0
JH
1967#ifndef PERL_WRITE_MSG_TO_CONSOLE
1968# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1969#endif
1970
0f31cffe
GS
1971#ifndef MAXPATHLEN
1972# ifdef PATH_MAX
b990c8b2
JH
1973# ifdef _POSIX_PATH_MAX
1974# if PATH_MAX > _POSIX_PATH_MAX
1975/* MAXPATHLEN is supposed to include the final null character,
1976 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1977# define MAXPATHLEN (PATH_MAX+1)
1978# else
1979# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1980# endif
1981# else
1982# define MAXPATHLEN (PATH_MAX+1)
1983# endif
0f31cffe 1984# else
b990c8b2
JH
1985# ifdef _POSIX_PATH_MAX
1986# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1987# else
1988# define MAXPATHLEN 1024 /* Err on the large side. */
1989# endif
0f31cffe
GS
1990# endif
1991#endif
1992
d460ef45 1993/*
4d1ff10f 1994 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1995 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
1996 * this results in many functions being undeclared which bothers C++
1997 * May make sense to have threads after "*ish.h" anyway
1998 */
1999
4d1ff10f
AB
2000#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
2001# if defined(USE_5005THREADS)
79d59c5f
GS
2002 /* pending resolution of licensing issues, we avoid the erstwhile
2003 * atomic.h everywhere */
2004# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 2005# endif
2986a63f
JH
2006# ifdef NETWARE
2007# include <nw5thread.h>
2008# else
32f822de
GS
2009# ifdef FAKE_THREADS
2010# include "fakethr.h"
2011# else
2012# ifdef WIN32
2013# include <win32thread.h>
2014# else
dd96f567
IZ
2015# ifdef OS2
2016# include "os2thread.h"
2017# else
7f3d1cf1 2018# ifdef I_MACH_CTHREADS
bdd66968 2019# include <mach/cthreads.h>
8f1f23e8 2020# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2021# define MUTEX_INIT_CALLS_MALLOC
2022# endif
7f3d1cf1
BH
2023typedef cthread_t perl_os_thread;
2024typedef mutex_t perl_mutex;
2025typedef condition_t perl_cond;
2026typedef void * perl_key;
2027# else /* Posix threads */
1f5ae88c
JH
2028# ifdef I_PTHREAD
2029# include <pthread.h>
2030# endif
7f3d1cf1
BH
2031typedef pthread_t perl_os_thread;
2032typedef pthread_mutex_t perl_mutex;
2033typedef pthread_cond_t perl_cond;
2034typedef pthread_key_t perl_key;
2035# endif /* I_MACH_CTHREADS */
dd96f567 2036# endif /* OS2 */
32f822de
GS
2037# endif /* WIN32 */
2038# endif /* FAKE_THREADS */
2986a63f 2039#endif /* NETWARE */
4d1ff10f 2040#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 2041
66a93824 2042#if defined(WIN32)
1feb2720 2043# include "win32.h"
c5be433b
GS
2044#endif
2045
2986a63f
JH
2046#ifdef NETWARE
2047# include "netware.h"
2048#endif
2049
68dc0745 2050#ifdef VMS
6b88bc9c 2051# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2052# define STATUS_NATIVE_EXPORT \
d98f61e7 2053 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745
PP
2054# define STATUS_NATIVE_SET(n) \
2055 STMT_START { \
6b88bc9c
GS
2056 PL_statusvalue_vms = (n); \
2057 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2058 PL_statusvalue = -1; \
6b88bc9c 2059 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2060 PL_statusvalue = 0; \
6b88bc9c
GS
2061 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2062 PL_statusvalue = 1 << 8; \
68dc0745 2063 else \
6b88bc9c 2064 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2065 } STMT_END
3280af22 2066# define STATUS_POSIX PL_statusvalue
68dc0745
PP
2067# ifdef VMSISH_STATUS
2068# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2069# else
2070# define STATUS_CURRENT STATUS_POSIX
2071# endif
2072# define STATUS_POSIX_SET(n) \
2073 STMT_START { \
3280af22
NIS
2074 PL_statusvalue = (n); \
2075 if (PL_statusvalue != -1) { \
2076 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2077 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2078 } \
6b88bc9c 2079 else PL_statusvalue_vms = -1; \
68dc0745 2080 } STMT_END
6b88bc9c
GS
2081# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2082# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745
PP
2083#else
2084# define STATUS_NATIVE STATUS_POSIX
2085# define STATUS_NATIVE_EXPORT STATUS_POSIX
2086# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2087# define STATUS_POSIX PL_statusvalue
68dc0745
PP
2088# define STATUS_POSIX_SET(n) \
2089 STMT_START { \
3280af22
NIS
2090 PL_statusvalue = (n); \
2091 if (PL_statusvalue != -1) \
2092 PL_statusvalue &= 0xFFFF; \
68dc0745
PP
2093 } STMT_END
2094# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS
2095# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2096# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745
PP
2097#endif
2098
cc3604b1
GS
2099/* flags in PL_exit_flags for nature of exit() */
2100#define PERL_EXIT_EXPECTED 0x01
31d77e54 2101#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2102
0b94c7bb 2103#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2104# define MEMBER_TO_FPTR(name) name
2105#endif
2106
2107/* format to use for version numbers in file/directory names */
273cf8d1 2108/* XXX move to Configure? */
a7cb1f99 2109#ifndef PERL_FS_VER_FMT
273cf8d1 2110# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2111#endif
2112
45bc9206 2113/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2114 * performance issue, so we allow people to disable it. Also, if
2115 * we are using stdio, there are broken implementations of fflush(NULL)
2116 * out there, Solaris being the most prominent.
45bc9206
GS
2117 */
2118#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2119# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2120# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2121# else
2122# ifdef FFLUSH_ALL
2123# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2124# else
c5be433b 2125# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2126# endif
66fe083f 2127# endif
45bc9206
GS
2128#endif
2129
7766f137
GS
2130#ifndef PERL_WAIT_FOR_CHILDREN
2131# define PERL_WAIT_FOR_CHILDREN NOOP
2132#endif
2133
ba869deb 2134/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2135#ifndef PERL_SET_INTERP
2136# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2137#endif
2138
2139#ifndef PERL_GET_INTERP
2140# define PERL_GET_INTERP (PL_curinterp)
2141#endif
2142
54aff467 2143#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 2144# ifdef USE_5005THREADS
ba869deb 2145# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS
2146# else
2147# ifdef MULTIPLICITY
ba869deb 2148# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS
2149# endif
2150# endif
ba869deb
GS
2151# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2152#endif
2153
894356b3
GS
2154#ifndef SVf
2155# ifdef CHECK_FORMAT
2156# define SVf "p"
2157# else
2158# define SVf "_"
d460ef45 2159# endif
894356b3
GS
2160#endif
2161
d2560b70
RB
2162#ifndef UVf
2163# ifdef CHECK_FORMAT
2164# define UVf UVuf
2165# else
2166# define UVf "Vu"
d460ef45 2167# endif
d2560b70
RB
2168#endif
2169
2170#ifndef VDf
2171# ifdef CHECK_FORMAT
2172# define VDf "p"
2173# else
2174# define VDf "vd"
d460ef45 2175# endif
d2560b70
RB
2176#endif
2177
b3fe4827
RB
2178#ifndef Nullformat
2179# ifdef CHECK_FORMAT
2180# define Nullformat "%s",""
2181# else
2182# define Nullformat Nullch
2183# endif
2184#endif
2185
3fc1aec6
PP
2186/* Some unistd.h's give a prototype for pause() even though
2187 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2188 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
2189*/
2190#ifdef HAS_PAUSE
2191#define Pause pause
2192#else
2193#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2194#endif
2195
2196#ifndef IOCPARM_LEN
2197# ifdef IOCPARM_MASK
2198 /* on BSDish systes we're safe */
2199# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2200# else
2201 /* otherwise guess at what's safe */
2202# define IOCPARM_LEN(x) 256
2203# endif
a0d0e21e
LW
2204#endif
2205
1761cee5 2206#if defined(__CYGWIN__)
521e0776
GS
2207/* USEMYBINMODE
2208 * This symbol, if defined, indicates that the program should
16fe6d59 2209 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2210 * that a file is in "binary" mode -- that is, that no translation
2211 * of bytes occurs on read or write operations.
2212 */
2213# define USEMYBINMODE / **/
16fe6d59
GS
2214# define my_binmode(fp, iotype, mode) \
2215 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
2216#endif
2217
cea2e8a9
GS
2218#ifdef UNION_ANY_DEFINITION
2219UNION_ANY_DEFINITION;
2220#else
2221union any {
2222 void* any_ptr;
2223 I32 any_i32;
2224 IV any_iv;
2225 long any_long;
c76ac1ee 2226 void (*any_dptr) (void*);
acfe0abc 2227 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2228};
2229#endif
2230
4d1ff10f 2231#ifdef USE_5005THREADS
cea2e8a9
GS
2232#define ARGSproto struct perl_thread *thr
2233#else
2234#define ARGSproto
4d1ff10f 2235#endif /* USE_5005THREADS */
cea2e8a9 2236
acfe0abc 2237typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2238
2239#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2240#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2241#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2242
c5078cac
JH
2243#if defined(_AIX) && !defined(_AIX43)
2244#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2245/* We cannot include <crypt.h> to get the struct crypt_data
2246 * because of setkey prototype problems when threading */
2247typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2248 /* From OSF, Not needed in AIX
2249 char C[28], D[28];
2250 */
2251 char E[48];
2252 char KS[16][48];
2253 char block[66];
2254 char iobuf[16];
2255} CRYPTD;
2256#endif /* threading */
2257#endif /* AIX */
2258
af8b425d 2259#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2260# include "iperlsys.h"
2261#endif
378cc40b 2262#include "regexp.h"
79072805 2263#include "sv.h"
378cc40b 2264#include "util.h"
8d063cd8 2265#include "form.h"
79072805 2266#include "gv.h"
dd2155a4 2267#include "pad.h"
79072805 2268#include "cv.h"
abdd5c84 2269#include "opnames.h"
79072805
LW
2270#include "op.h"
2271#include "cop.h"
2272#include "av.h"
2273#include "hv.h"
2274#include "mg.h"
2275#include "scope.h"
4438c4b7 2276#include "warnings.h"
a0ed51b3 2277#include "utf8.h"
8d063cd8 2278
7fae4e64
GS
2279/* Current curly descriptor */
2280typedef struct curcur CURCUR;
2281struct curcur {
2282 int parenfloor; /* how far back to strip paren data */
2283 int cur; /* how many instances of scan we've matched */
2284 int min; /* the minimal number of scans to match */
2285 int max; /* the maximal number of scans to match */
2286 int minmod; /* whether to work our way up or down */
2287 regnode * scan; /* the thing to match */
2288 regnode * next; /* what has to match after it */
2289 char * lastloc; /* where we started matching this scan */
2290 CURCUR * oldcc; /* current curly before we started this one */
2291};
2292
2293typedef struct _sublex_info SUBLEXINFO;
2294struct _sublex_info {
2295 I32 super_state; /* lexer state to save */
2296 I32 sub_inwhat; /* "lex_inwhat" to use */
2297 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2298 char *super_bufptr; /* PL_bufptr that was */
2299 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2300};
2301
455ece5e 2302typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2303
2c2d71f5 2304struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2305struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2306
2307typedef I32 CHECKPOINT;
76e3520e 2308
5f7fde29
GS
2309struct ptr_tbl_ent {
2310 struct ptr_tbl_ent* next;
2311 void* oldval;
2312 void* newval;
d18c6117
GS
2313};
2314
5f7fde29
GS
2315struct ptr_tbl {
2316 struct ptr_tbl_ent** tbl_ary;
2317 UV tbl_max;
2318 UV tbl_items;
d18c6117
GS
2319};
2320
450a55e4 2321#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2322# define I286
2323#endif
2324
fe14fcc3
LW
2325#if defined(htonl) && !defined(HAS_HTONL)
2326#define HAS_HTONL
ae986130 2327#endif
fe14fcc3
LW
2328#if defined(htons) && !defined(HAS_HTONS)
2329#define HAS_HTONS
ae986130 2330#endif
fe14fcc3
LW
2331#if defined(ntohl) && !defined(HAS_NTOHL)
2332#define HAS_NTOHL
ae986130 2333#endif
fe14fcc3
LW
2334#if defined(ntohs) && !defined(HAS_NTOHS)
2335#define HAS_NTOHS
ae986130 2336#endif
fe14fcc3 2337#ifndef HAS_HTONL
d9d8d8de 2338#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2339#define HAS_HTONS
2340#define HAS_HTONL
2341#define HAS_NTOHS
2342#define HAS_NTOHL
a687059c
LW
2343#define MYSWAP
2344#define htons my_swap
2345#define htonl my_htonl
2346#define ntohs my_swap
2347#define ntohl my_ntohl
2348#endif
2349#else
d9d8d8de 2350#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2351#undef HAS_HTONS
2352#undef HAS_HTONL
2353#undef HAS_NTOHS
2354#undef HAS_NTOHL
a687059c
LW
2355#endif
2356#endif
2357
988174c1
LW
2358/*
2359 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2360 * -DWS
2361 */
2362#if BYTEORDER != 0x1234
2363# define HAS_VTOHL
2364# define HAS_VTOHS
2365# define HAS_HTOVL
2366# define HAS_HTOVS
c67712b2 2367# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2368# define vtohl(x) ((((x)&0xFF)<<24) \
2369 +(((x)>>24)&0xFF) \
2370 +(((x)&0x0000FF00)<<8) \
2371 +(((x)&0x00FF0000)>>8) )
2372# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2373# define htovl(x) vtohl(x)
2374# define htovs(x) vtohs(x)
2375# endif
2376 /* otherwise default to functions in util.c */
2a8c3029 2377#ifndef htovs
c623ac67
GS
2378short htovs(short n);
2379short vtohs(short n);
2380long htovl(long n);
2381long vtohl(long n);
988174c1 2382#endif
2a8c3029 2383#endif
988174c1 2384
3bb7c1b4
JH
2385/* *MAX Plus 1. A floating point value.
2386 Hopefully expressed in a way that dodgy floating point can't mess up.
2387 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2388 is added to it
2389 May find that some broken compiler will want the value cast to I32.
2390 [after the shift, as signed >> may not be as secure as unsigned >>]
2391*/
2392#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2393#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2394/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2395 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2396 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2397*/
2398#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2399
3bb7c1b4
JH
2400#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2401#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2402#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2403
2404/* This may look like unnecessary jumping through hoops, but converting
2405 out of range floating point values to integers *is* undefined behaviour,
2406 and it is starting to bite.
2407*/
2408#ifndef CAST_INLINE
65202027 2409#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2410#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
2411#define I_V(what) (cast_iv((NV)(what)))
2412#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
2413#else
2414#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2415 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2416 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2417#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2418 : ((n) < U32_MAX_P1 ? (U32) (n) \
2419 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2420#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2421 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2422 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2423#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2424 : ((n) < UV_MAX_P1 ? (UV) (n) \
2425 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2426#endif
2427
2428#define U_S(what) ((U16)U_32(what))
2429#define U_I(what) ((unsigned int)U_32(what))
2430#define U_L(what) U_32(what)
ed6116ce 2431
2d4389e4
JH
2432/* These do not care about the fractional part, only about the range. */
2433#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2434#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2435
25da4f38
IZ
2436/* Used with UV/IV arguments: */
2437 /* XXXX: need to speed it up */
2438#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2439#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2440
352d5a3a
LW
2441#ifndef MAXSYSFD
2442# define MAXSYSFD 2
2443#endif
ee0007ab 2444
79072805 2445#ifndef __cplusplus
e1caacb4 2446#ifndef UNDER_CE
20ce7b12
GS
2447Uid_t getuid (void);
2448Uid_t geteuid (void);
2449Gid_t getgid (void);
2450Gid_t getegid (void);
79072805 2451#endif
e1caacb4 2452#endif
8d063cd8 2453
0c30d9ec 2454#ifndef Perl_debug_log
bf49b057
GS
2455# define Perl_debug_log PerlIO_stderr()
2456#endif
2457
2458#ifndef Perl_error_log
2459# define Perl_error_log (PL_stderrgv \
6b78add2 2460 && isGV(PL_stderrgv) \
01bb7c6d 2461 && GvIOp(PL_stderrgv) \
42de951c 2462 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
2463 ? IoOFP(GvIOp(PL_stderrgv)) \
2464 : PerlIO_stderr())
0c30d9ec 2465#endif
3967c732 2466
aea4f609
DM
2467
2468#define DEBUG_p_FLAG 0x00000001 /* 1 */
2469#define DEBUG_s_FLAG 0x00000002 /* 2 */
2470#define DEBUG_l_FLAG 0x00000004 /* 4 */
2471#define DEBUG_t_FLAG 0x00000008 /* 8 */
2472#define DEBUG_o_FLAG 0x00000010 /* 16 */
2473#define DEBUG_c_FLAG 0x00000020 /* 32 */
2474#define DEBUG_P_FLAG 0x00000040 /* 64 */
2475#define DEBUG_m_FLAG 0x00000080 /* 128 */
2476#define DEBUG_f_FLAG 0x00000100 /* 256 */
2477#define DEBUG_r_FLAG 0x00000200 /* 512 */
2478#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2479#define DEBUG_u_FLAG 0x00000800 /* 2048 */
aea4f609
DM
2480#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2481#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2482#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2483#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2484#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2485#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2486#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2487#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2488#define DEBUG_C_FLAG 0x00200000 /*2097152 */
7bab3ede 2489#define DEBUG_MASK 0x003FEFFF /* mask of all the standard flags */
aea4f609
DM
2490
2491#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
2492#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2493 that something was done? */
aea4f609 2494
bd16a5f0
IZ
2495# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2496# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2497# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2498# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2499# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2500# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2501# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2502# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2503# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2504# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2505# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2506# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ
2507# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2508# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2509# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2510# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2511# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2512# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2513# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2514# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2515# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
dd2155a4 2516# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2517
3967c732 2518#ifdef DEBUGGING
aea4f609
DM
2519
2520# undef YYDEBUG
2521# define YYDEBUG 1
2522
bd16a5f0
IZ
2523# define DEBUG_p_TEST DEBUG_p_TEST_
2524# define DEBUG_s_TEST DEBUG_s_TEST_
2525# define DEBUG_l_TEST DEBUG_l_TEST_
2526# define DEBUG_t_TEST DEBUG_t_TEST_
2527# define DEBUG_o_TEST DEBUG_o_TEST_
2528# define DEBUG_c_TEST DEBUG_c_TEST_
2529# define DEBUG_P_TEST DEBUG_P_TEST_
2530# define DEBUG_m_TEST DEBUG_m_TEST_
2531# define DEBUG_f_TEST DEBUG_f_TEST_
2532# define DEBUG_r_TEST DEBUG_r_TEST_
2533# define DEBUG_x_TEST DEBUG_x_TEST_
2534# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ
2535# define DEBUG_H_TEST DEBUG_H_TEST_
2536# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2537# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
2538# define DEBUG_D_TEST DEBUG_D_TEST_
2539# define DEBUG_S_TEST DEBUG_S_TEST_
2540# define DEBUG_T_TEST DEBUG_T_TEST_
2541# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2542# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2543# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2544# define DEBUG_C_TEST DEBUG_C_TEST_
aea4f609
DM
2545
2546# define DEB(a) a
2547# define DEBUG(a) if (PL_debug) a
2548# define DEBUG_p(a) if (DEBUG_p_TEST) a
2549# define DEBUG_s(a) if (DEBUG_s_TEST) a
2550# define DEBUG_l(a) if (DEBUG_l_TEST) a
2551# define DEBUG_t(a) if (DEBUG_t_TEST) a
2552# define DEBUG_o(a) if (DEBUG_o_TEST) a
2553# define DEBUG_c(a) if (DEBUG_c_TEST) a
2554# define DEBUG_P(a) if (DEBUG_P_TEST) a
2555
969058bb
VK
2556 /* Temporarily turn off memory debugging in case the a
2557 * does memory allocation, either directly or indirectly. */
acfe0abc 2558# define DEBUG_m(a) \
0b250b9e 2559 STMT_START { \
aea4f609 2560 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2561 } STMT_END
aea4f609 2562
5f80b19c
AMS
2563# define DEBUG__(t, a) \
2564 STMT_START { \
2565 if (t) STMT_START {a;} STMT_END; \
2566 } STMT_END
2567
2568# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2569# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2570# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2571# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS
2572# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2573# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2574# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2575# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2576
4d1ff10f 2577# ifdef USE_5005THREADS
5f80b19c 2578# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ
2579# else
2580# define DEBUG_S(a)
2581# endif
aea4f609 2582
5f80b19c
AMS
2583# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2584# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2585# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2586# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
aea4f609
DM
2587
2588#else /* DEBUGGING */
2589
2590# define DEBUG_p_TEST (0)
2591# define DEBUG_s_TEST (0)
2592# define DEBUG_l_TEST (0)
2593# define DEBUG_t_TEST (0)
2594# define DEBUG_o_TEST (0)
2595# define DEBUG_c_TEST (0)
2596# define DEBUG_P_TEST (0)
2597# define DEBUG_m_TEST (0)
2598# define DEBUG_f_TEST (0)
2599# define DEBUG_r_TEST (0)
2600# define DEBUG_x_TEST (0)
2601# define DEBUG_u_TEST (0)
aea4f609
DM
2602# define DEBUG_H_TEST (0)
2603# define DEBUG_X_TEST (0)
dd2155a4 2604# define DEBUG_Xv_TEST (0)
aea4f609
DM
2605# define DEBUG_D_TEST (0)
2606# define DEBUG_S_TEST (0)
2607# define DEBUG_T_TEST (0)
04932ac8 2608# define DEBUG_R_TEST (0)
1045810a 2609# define DEBUG_J_TEST (0)
d6721266 2610# define DEBUG_v_TEST (0)
46187eeb 2611# define DEBUG_C_TEST (0)
aea4f609
DM
2612
2613# define DEB(a)
2614# define DEBUG(a)
2615# define DEBUG_p(a)
2616# define DEBUG_s(a)
2617# define DEBUG_l(a)
2618# define DEBUG_t(a)
2619# define DEBUG_o(a)
2620# define DEBUG_c(a)
2621# define DEBUG_P(a)
2622# define DEBUG_m(a)
2623# define DEBUG_f(a)
2624# define DEBUG_r(a)
2625# define DEBUG_x(a)
2626# define DEBUG_u(a)
aea4f609
DM
2627# define DEBUG_H(a)
2628# define DEBUG_X(a)
dd2155a4 2629# define DEBUG_Xv(a)
aea4f609
DM
2630# define DEBUG_D(a)
2631# define DEBUG_S(a)
2632# define DEBUG_T(a)
04932ac8 2633# define DEBUG_R(a)
d6721266 2634# define DEBUG_v(a)
46187eeb 2635# define DEBUG_C(a)
aea4f609
DM
2636#endif /* DEBUGGING */
2637
2638
d1be9408 2639/* These constants should be used in preference to raw characters
14befaf4
DM
2640 * when using magic. Note that some perl guts still assume
2641 * certain character properties of these constants, namely that
2642 * isUPPER() and toLOWER() may do useful mappings.
2643 *
2644 * Update the magic_names table in dump.c when adding/amending these
2645 */
2646
2647#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2648#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2649#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2650#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2651#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2652#define PERL_MAGIC_regdata 'D' /* Regex match position data
2653 (@+ and @- vars) */
2654#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2655#define PERL_MAGIC_env 'E' /* %ENV hash */
2656#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2657#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2658#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2659#define PERL_MAGIC_isa 'I' /* @ISA array */
2660#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2661#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2662#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2663#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
2664#define PERL_MAGIC_mutex 'm' /* for lock op */
2665#define PERL_MAGIC_shared 'N' /* Shared between threads */
2666#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
2667#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2668#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2669#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2670#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2671#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2672#define PERL_MAGIC_sig 'S' /* %SIG hash */
2673#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2674#define PERL_MAGIC_taint 't' /* Taintedness */
2675#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2676#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2677#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2678#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
14befaf4
DM
2679#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2680#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2681 smart parameter vivification */
2682#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2683#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2684#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2685#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM
2686#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2687
2688
fe14fcc3 2689#define YYMAXDEPTH 300
8d063cd8 2690
a6e633de 2691#ifndef assert /* <assert.h> might have been included somehow */
a446a88f
NIS
2692#ifdef DEBUGGING
2693#define assert(what) DEB( { \
2694 if (!(what)) { \
2695 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2696 __FILE__, __LINE__); \
2697 PerlProc_exit(1); \
2698 }})
2699#else
79072805
LW
2700#define assert(what) DEB( { \
2701 if (!(what)) { \
cea2e8a9 2702 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2703 __FILE__, __LINE__); \
cea2e8a9 2704 PerlProc_exit(1); \
79072805 2705 }})
a6e633de 2706#endif
a446a88f 2707#endif
8d063cd8 2708
450a55e4 2709struct ufuncs {
24f81a43
DM
2710 I32 (*uf_val)(pTHX_ IV, SV*);
2711 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2712 IV uf_index;
450a55e4
LW
2713};
2714
14befaf4 2715/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
2716 * XS code wanting to be backward compatible can do something
2717 * like the following:
c745e42c 2718
24f81a43 2719#ifndef PERL_MG_UFUNC
24f81a43
DM
2720#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2721#endif
2722
2723static PERL_MG_UFUNC(foo_get, index, val)
2724{
2725 sv_setsv(val, ...);
2726 return TRUE;
2727}
2728
2729-- Doug MacEachern
2730
2731*/
2732
fc9c74e6 2733#ifndef PERL_MG_UFUNC
24f81a43 2734#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2735#endif
24f81a43 2736
fe14fcc3 2737/* Fix these up for __STDC__ */
68dc0745 2738#ifndef DONT_DECLARE_STD
20ce7b12 2739char *mktemp (char*);
37bd1396 2740#ifndef atof
20ce7b12 2741double atof (const char*);
a0d0e21e 2742#endif
37bd1396 2743#endif
79072805 2744
352d5a3a 2745#ifndef STANDARD_C
fe14fcc3 2746/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2747Time_t time();
8d063cd8 2748struct tm *gmtime(), *localtime();
092bebab 2749#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
2750char *(strchr)(), *(strrchr)();
2751char *(strcpy)(), *(strcat)();
2752#else
93a17b20 2753char *strchr(), *strrchr();
378cc40b 2754char *strcpy(), *strcat();
9d116dd7 2755#endif
352d5a3a 2756#endif /* ! STANDARD_C */
8d063cd8 2757
79072805
LW
2758
2759#ifdef I_MATH
2760# include <math.h>
2761#else
32f822de 2762START_EXTERN_C
20ce7b12
GS
2763 double exp (double);
2764 double log (double);
2765 double log10 (double);
2766 double sqrt (double);
2767 double frexp (double,int*);
2768 double ldexp (double,int);
2769 double modf (double,double*);
2770 double sin (double);
2771 double cos (double);
2772 double atan2 (double,double);
2773 double pow (double,double);
32f822de 2774END_EXTERN_C
79072805
LW
2775#endif
2776
aa8b85de
JH
2777#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2778# define NV_INF LDBL_INFINITY
2779#endif
2780#if !defined(NV_INF) && defined(DBL_INFINITY)
2781# define NV_INF (NV)DBL_INFINITY
2782#endif
2783#if !defined(NV_INF) && defined(INFINITY)
2784# define NV_INF (NV)INFINITY
2785#endif
2786#if !defined(NV_INF) && defined(INF)
2787# define NV_INF (NV)INF
2788#endif
2789#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2790# define NV_INF (NV)HUGE_VALL
2791#endif
2792#if !defined(NV_INF) && defined(HUGE_VAL)
2793# define NV_INF (NV)HUGE_VAL
2794#endif
2795
2796#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2797# if !defined(NV_NAN) && defined(LDBL_NAN)
2798# define NV_NAN LDBL_NAN
2799# endif
2800# if !defined(NV_NAN) && defined(LDBL_QNAN)
2801# define NV_NAN LDBL_QNAN
2802# endif
2803# if !defined(NV_NAN) && defined(LDBL_SNAN)
2804# define NV_NAN LDBL_SNAN
2805# endif
2806#endif
2807#if !defined(NV_NAN) && defined(DBL_NAN)
2808# define NV_NAN (NV)DBL_NAN
2809#endif
2810#if !defined(NV_NAN) && defined(DBL_QNAN)
2811# define NV_NAN (NV)DBL_QNAN
2812#endif
2813#if !defined(NV_NAN) && defined(DBL_SNAN)
2814# define NV_NAN (NV)DBL_SNAN
2815#endif
2816#if !defined(NV_NAN) && defined(QNAN)
2817# define NV_NAN (NV)QNAN
2818#endif
2819#if !defined(NV_NAN) && defined(SNAN)
2820# define NV_NAN (NV)SNAN
2821#endif
2822#if !defined(NV_NAN) && defined(NAN)
2823# define NV_NAN (NV)NAN
2824#endif
2825
a0d0e21e 2826#ifndef __cplusplus
8f1f23e8 2827# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2828char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2829# else
fd8cd3a3 2830# if !defined(WIN32) && !defined(VMS)
10bc17b6 2831#ifndef crypt
20ce7b12 2832char *crypt (const char*, const char*);
10bc17b6 2833#endif
5014db98 2834# endif /* !WIN32 */
8f1f23e8 2835# endif /* !NeXT && !__NeXT__ */
26618a56
GS
2836# ifndef DONT_DECLARE_STD
2837# ifndef getenv
20ce7b12 2838char *getenv (const char*);
26618a56 2839# endif /* !getenv */
28ca6303 2840# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2841# ifdef _FILE_OFFSET_BITS
28ca6303 2842# if _FILE_OFFSET_BITS == 64
20ce7b12 2843Off_t lseek (int,Off_t,int);
0fc67700
JH
2844# endif
2845# endif
bf0c440f 2846# endif
26618a56 2847# endif /* !DONT_DECLARE_STD */
10bc17b6 2848#ifndef getlogin
20ce7b12 2849char *getlogin (void);
10bc17b6 2850#endif
26618a56 2851#endif /* !__cplusplus */
79072805 2852
16d20bd9 2853#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2854#define UNLINK unlnk
20ce7b12 2855I32 unlnk (char*);
8d063cd8 2856#else
80252599 2857#define UNLINK PerlLIO_unlink
8d063cd8 2858#endif
a687059c 2859
fa0a29af
JH
2860/* some versions of glibc are missing the setresuid() proto */
2861#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
2862int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2863#endif
fa0a29af
JH
2864/* some versions of glibc are missing the setresgid() proto */
2865#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
2866int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2867#endif
2868
fe14fcc3 2869#ifndef HAS_SETREUID
85e6fe83
LW
2870# ifdef HAS_SETRESUID
2871# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2872# define HAS_SETREUID
2873# endif
a687059c 2874#endif
fe14fcc3 2875#ifndef HAS_SETREGID
85e6fe83
LW
2876# ifdef HAS_SETRESGID
2877# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2878# define HAS_SETREGID
2879# endif
a687059c 2880#endif
ee0007ab 2881
d543acb6 2882/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
2883
2884#ifdef HAS_SIGACTION
2885typedef struct sigaction Sigsave_t;
2886#else
2887typedef Sighandler_t Sigsave_t;
2888#endif
2889
ee0007ab
LW
2890#define SCAN_DEF 0
2891#define SCAN_TR 1
2892#define SCAN_REPL 2
79072805
LW
2893
2894#ifdef DEBUGGING
4633a7c4 2895# ifndef register
a0d0e21e
LW
2896# define register
2897# endif
cea2e8a9 2898# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2899#else
cea2e8a9 2900# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
2901#endif
2902
18f739ee 2903#ifdef MYMALLOC
772fe5b3 2904# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
2905# define MALLOC_INIT \
2906 STMT_START { \
2907 PL_malloc_mutex = NULL; \
2908 MUTEX_INIT(&PL_malloc_mutex); \
2909 } STMT_END
2910# define MALLOC_TERM \
2911 STMT_START { \
2912 perl_mutex tmp = PL_malloc_mutex; \
2913 PL_malloc_mutex = NULL; \
2914 MUTEX_DESTROY(&tmp); \
2915 } STMT_END
2916# else
2917# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2918# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2919# endif
18f739ee
IZ
2920#else
2921# define MALLOC_INIT
2922# define MALLOC_TERM
2923#endif
2924
b6d9d515 2925
0cb96387 2926typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2927typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2928typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2929typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2930
940cb80d 2931/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2932#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2933
8f1f23e8
W
2934/* NeXT has problems with crt0.o globals */
2935#if defined(__DYNAMIC__) && \
2936 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2937# if defined(NeXT) || defined(__NeXT)
2938# include <mach-o/dyld.h>
2939# define environ (*environ_pointer)
0c30d9ec 2940EXT char *** environ_pointer;
8f1f23e8 2941# else
82cabb9e 2942# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W
2943# include <crt_externs.h> /* for the env array */
2944# define environ (*_NSGetEnviron())
2945# endif
0c30d9ec 2946# endif
8f1f23e8
W
2947#else
2948 /* VMS and some other platforms don't use the environ array */
13b6e58c 2949# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
2950# if !defined(DONT_DECLARE_STD) || \
2951 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2952 defined(__sgi) || \
d460ef45 2953 defined(__DGUX)
8f1f23e8 2954extern char ** environ; /* environment variables supplied via exec */
a6c40364 2955# endif
8f1f23e8
W
2956# endif
2957#endif
79072805 2958
73c4f7a1
GS
2959START_EXTERN_C
2960
79072805 2961/* handy constants */
22c35a8c 2962EXTCONST char PL_warn_uninit[]
b89fed5f 2963 INIT("Use of uninitialized value%s%s");
22c35a8c 2964EXTCONST char PL_warn_nosemi[]
463ee0b2 2965 INIT("Semicolon seems to be missing");
22c35a8c 2966EXTCONST char PL_warn_reserved[]
463ee0b2 2967 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2968EXTCONST char PL_warn_nl[]
93a17b20 2969 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2970EXTCONST char PL_no_wrongref[]
a0d0e21e 2971 INIT("Can't use %s ref as %s ref");
22c35a8c 2972EXTCONST char PL_no_symref[]
748a9306 2973 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2974EXTCONST char PL_no_usym[]
8990e307 2975 INIT("Can't use an undefined value as %s reference");
22c35a8c 2976EXTCONST char PL_no_aelem[]
93a17b20 2977 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2978EXTCONST char PL_no_helem[]
93a17b20 2979 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2980EXTCONST char PL_no_modify[]
93a17b20 2981 INIT("Modification of a read-only value attempted");
22c35a8c 2982EXTCONST char PL_no_mem[]
93a17b20 2983 INIT("Out of memory!\n");
22c35a8c 2984EXTCONST char PL_no_security[]
463ee0b2 2985 INIT("Insecure dependency in %s%s");
22c35a8c 2986EXTCONST char PL_no_sock_func[]
93a17b20 2987 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2988EXTCONST char PL_no_dir_func[]
93a17b20 2989 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2990EXTCONST char PL_no_func[]
93a17b20 2991 INIT("The %s function is unimplemented");
22c35a8c 2992EXTCONST char PL_no_myglob[]
748a9306 2993 INIT("\"my\" variable %s can't be in a package");
93a17b20 2994
7575fa06 2995EXTCONST char PL_uuemap[65]
80252599
GS
2996 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2997
2998
79072805 2999#ifdef DOINIT
22c35a8c
GS
3000EXT char *PL_sig_name[] = { SIG_NAME };
3001EXT int PL_sig_num[] = { SIG_NUM };
79072805 3002#else
22c35a8c
GS
3003EXT char *PL_sig_name[];
3004EXT int PL_sig_num[];
79072805
LW
3005#endif
3006
3bd709b1 3007/* fast conversion and case folding tables */
bbce6d69 3008
79072805 3009#ifdef DOINIT
9d116dd7 3010#ifdef EBCDIC
22c35a8c 3011EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
3012 0, 1, 2, 3, 4, 5, 6, 7,
3013 8, 9, 10, 11, 12, 13, 14, 15,
3014 16, 17, 18, 19, 20, 21, 22, 23,
3015 24, 25, 26, 27, 28, 29, 30, 31,
3016 32, 33, 34, 35, 36, 37, 38, 39,
3017 40, 41, 42, 43, 44, 45, 46, 47,
3018 48, 49, 50, 51, 52, 53, 54, 55,
3019 56, 57, 58, 59, 60, 61, 62, 63,
3020 64, 65, 66, 67, 68, 69, 70, 71,
3021 72, 73, 74, 75, 76, 77, 78, 79,
3022 80, 81, 82, 83, 84, 85, 86, 87,
3023 88, 89, 90, 91, 92, 93, 94, 95,
3024 96, 97, 98, 99, 100, 101, 102, 103,
3025 104, 105, 106, 107, 108, 109, 110, 111,
3026 112, 113, 114, 115, 116, 117, 118, 119,
3027 120, 121, 122, 123, 124, 125, 126, 127,
3028 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3029 'H', 'I', 138, 139, 140, 141, 142, 143,
3030 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3031 'Q', 'R', 154, 155, 156, 157, 158, 159,
3032 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3033 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3034 176, 177, 178, 179, 180, 181, 182, 183,
3035 184, 185, 186, 187, 188, 189, 190, 191,
3036 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3037 'h', 'i', 202, 203, 204, 205, 206, 207,
3038 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3039 'q', 'r', 218, 219, 220, 221, 222, 223,
3040 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3041 'y', 'z', 234, 235, 236, 237, 238, 239,
3042 240, 241, 242, 243, 244, 245, 246, 247,
3043 248, 249, 250, 251, 252, 253, 254, 255
3044};
3045#else /* ascii rather than ebcdic */
22c35a8c 3046EXTCONST unsigned char PL_fold[] = {
79072805
LW
3047 0, 1, 2, 3, 4, 5, 6, 7,
3048 8, 9, 10, 11, 12, 13, 14, 15,
3049 16, 17, 18, 19, 20, 21, 22, 23,
3050 24, 25, 26, 27, 28, 29, 30, 31,
3051 32, 33, 34, 35, 36, 37, 38, 39,
3052 40, 41, 42, 43, 44, 45, 46, 47,
3053 48, 49, 50, 51, 52, 53, 54, 55,
3054 56, 57, 58, 59, 60, 61, 62, 63,
3055 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3056 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3057 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3058 'x', 'y', 'z', 91, 92, 93, 94, 95,
3059 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3060 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3061 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3062 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3063 128, 129, 130, 131, 132, 133, 134, 135,
3064 136, 137, 138, 139, 140, 141, 142, 143,
3065 144, 145, 146, 147, 148, 149, 150, 151,
3066 152, 153, 154, 155, 156, 157, 158, 159,
3067 160, 161, 162, 163, 164, 165, 166, 167,
3068 168, 169, 170, 171, 172, 173, 174, 175,
3069 176, 177, 178, 179, 180, 181, 182, 183,
3070 184, 185, 186, 187, 188, 189, 190, 191,
3071 192, 193, 194, 195, 196, 197, 198, 199,
3072 200, 201, 202, 203, 204, 205, 206, 207,
3073 208, 209, 210, 211, 212, 213, 214, 215,
3074 216, 217, 218, 219, 220, 221, 222, 223,
3075 224, 225, 226, 227, 228, 229, 230, 231,
3076 232, 233, 234, 235, 236, 237, 238, 239,
3077 240, 241, 242, 243, 244, 245, 246, 247,
3078 248, 249, 250, 251, 252, 253, 254, 255
3079};
9d116dd7 3080#endif /* !EBCDIC */
79072805 3081#else
22c35a8c 3082EXTCONST unsigned char PL_fold[];
79072805
LW
3083#endif
3084
3085#ifdef DOINIT
22c35a8c 3086EXT unsigned char PL_fold_locale[] = {
79072805
LW
3087 0, 1, 2, 3, 4, 5, 6, 7,
3088 8, 9, 10, 11, 12, 13, 14, 15,
3089 16, 17, 18, 19, 20, 21, 22, 23,
3090 24, 25, 26, 27, 28, 29, 30, 31,
3091 32, 33, 34, 35, 36, 37, 38, 39,
3092 40, 41, 42, 43, 44, 45, 46, 47,
3093 48, 49, 50, 51, 52, 53, 54, 55,
3094 56, 57, 58, 59, 60, 61, 62, 63,
3095 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3096 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3097 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3098 'x', 'y', 'z', 91, 92, 93, 94, 95,
3099 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3100 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3101 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3102 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3103 128, 129, 130, 131, 132, 133, 134, 135,
3104 136, 137, 138, 139, 140, 141, 142, 143,
3105 144, 145, 146, 147, 148, 149, 150, 151,
3106 152, 153, 154, 155, 156, 157, 158, 159,
3107 160, 161, 162, 163, 164, 165, 166, 167,
3108 168, 169, 170, 171, 172, 173, 174, 175,
3109 176, 177, 178, 179, 180, 181, 182, 183,
3110 184, 185, 186, 187, 188, 189, 190, 191,
3111 192, 193, 194, 195, 196, 197, 198, 199,
3112 200, 201, 202, 203, 204, 205, 206, 207,
3113 208, 209, 210, 211, 212, 213, 214, 215,
3114 216, 217, 218, 219, 220, 221, 222, 223,
3115 224, 225, 226, 227, 228, 229, 230, 231,
3116 232, 233, 234, 235, 236, 237, 238, 239,
3117 240, 241, 242, 243, 244, 245, 246, 247,
3118 248, 249, 250, 251, 252, 253, 254, 255
3119};
3120#else
22c35a8c 3121EXT unsigned char PL_fold_locale[];
79072805
LW
3122#endif
3123
3124#ifdef DOINIT
9d116dd7 3125#ifdef EBCDIC
22c35a8c 3126EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
3127 1, 2, 84, 151, 154, 155, 156, 157,
3128 165, 246, 250, 3, 158, 7, 18, 29,
3129 40, 51, 62, 73, 85, 96, 107, 118,
3130 129, 140, 147, 148, 149, 150, 152, 153,
3131 255, 6, 8, 9, 10, 11, 12, 13,
3132 14, 15, 24, 25, 26, 27, 28, 226,
3133 29, 30, 31, 32, 33, 43, 44, 45,
3134 46, 47, 48, 49, 50, 76, 77, 78,
3135 79, 80, 81, 82, 83, 84, 85, 86,
3136 87, 94, 95, 234, 181, 233, 187, 190,
3137 180, 96, 97, 98, 99, 100, 101, 102,
3138 104, 112, 182, 174, 236, 232, 229, 103,
3139 228, 226, 114, 115, 116, 117, 118, 119,
3140 120, 121, 122, 235, 176, 230, 194, 162,
3141 130, 131, 132, 133, 134, 135, 136, 137,
3142 138, 139, 201, 205, 163, 217, 220, 224,
3143 5, 248, 227, 244, 242, 255, 241, 231,
3144 240, 253, 16, 197, 19, 20, 21, 187,
3145 23, 169, 210, 245, 237, 249, 247, 239,
3146 168, 252, 34, 196, 36, 37, 38, 39,
3147 41, 42, 251, 254, 238, 223, 221, 213,
3148 225, 177, 52, 53, 54, 55, 56, 57,
3149 58, 59, 60, 61, 63, 64, 65, 66,
3150 67, 68, 69, 70, 71, 72, 74, 75,
3151 205, 208, 186, 202, 200, 218, 198, 179,
3152 178, 214, 88, 89, 90, 91, 92, 93,
3153 217, 166, 170, 207, 199, 209, 206, 204,
3154 160, 212, 105, 106, 108, 109, 110, 111,
3155 203, 113, 216, 215, 192, 175, 193, 243,
3156 172, 161, 123, 124, 125, 126, 127, 128,
3157 222, 219, 211, 195, 188, 193, 185, 184,
3158 191, 183, 141, 142, 143, 144, 145, 146
3159};
3160#else /* ascii rather than ebcdic */
22c35a8c 3161EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
3162 1, 2, 84, 151, 154, 155, 156, 157,
3163 165, 246, 250, 3, 158, 7, 18, 29,
3164 40, 51, 62, 73, 85, 96, 107, 118,
3165 129, 140, 147, 148, 149, 150, 152, 153,
3166 255, 182, 224, 205, 174, 176, 180, 217,
3167 233, 232, 236, 187, 235, 228, 234, 226,
3168 222, 219, 211, 195, 188, 193, 185, 184,
3169 191, 183, 201, 229, 181, 220, 194, 162,
3170 163, 208, 186, 202, 200, 218, 198, 179,
3171 178, 214, 166, 170, 207, 199, 209, 206,
3172 204, 160, 212, 216, 215, 192, 175, 173,
3173 243, 172, 161, 190, 203, 189, 164, 230,
3174 167, 248, 227, 244, 242, 255, 241, 231,
3175 240, 253, 169, 210, 245, 237, 249, 247,
3176 239, 168, 252, 251, 254, 238, 223, 221,
3177 213, 225, 177, 197, 171, 196, 159, 4,
3178 5, 6, 8, 9, 10, 11, 12, 13,
3179 14, 15, 16, 17, 19, 20, 21, 22,
3180 23, 24, 25, 26, 27, 28, 30, 31,
3181 32, 33, 34, 35, 36, 37, 38, 39,
3182 41, 42, 43, 44, 45, 46, 47, 48,
3183 49, 50, 52, 53, 54, 55, 56, 57,
3184 58, 59, 60, 61, 63, 64, 65, 66,
3185 67, 68, 69, 70, 71, 72, 74, 75,
3186 76, 77, 78, 79, 80, 81, 82, 83,
3187 86, 87, 88, 89, 90, 91, 92, 93,
3188 94, 95, 97, 98, 99, 100, 101, 102,
3189 103, 104, 105, 106, 108, 109, 110, 111,
3190 112, 113, 114, 115, 116, 117, 119, 120,
3191 121, 122, 123, 124, 125, 126, 127, 128,
3192 130, 131, 132, 133, 134, 135, 136, 137,
3193 138, 139, 141, 142, 143, 144, 145, 146
3194};
9d116dd7 3195#endif
79072805 3196#else
22c35a8c 3197EXTCONST unsigned char PL_freq[];
79072805
LW
3198#endif
3199
8990e307
LW
3200#ifdef DEBUGGING
3201#ifdef DOINIT
22c35a8c 3202EXTCONST char* PL_block_type[] = {
8990e307
LW
3203 "NULL",
3204 "SUB",
3205 "EVAL",
3206 "LOOP",
3207 "SUBST",
3208 "BLOCK",
3209};
3210#else
22c35a8c 3211EXTCONST char* PL_block_type[];
8990e307
LW
3212#endif
3213#endif
3214
73c4f7a1
GS
3215END_EXTERN_C
3216
79072805
LW
3217/*****************************************************************************/
3218/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3219/*****************************************************************************/
8990e307 3220/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3221
a0d0e21e
LW
3222#include "perly.h"
3223
fb73857a
PP
3224#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3225
79072805
LW
3226typedef enum {
3227 XOPERATOR,
3228 XTERM,
79072805 3229 XREF,
8990e307 3230 XSTATE,
a0d0e21e 3231 XBLOCK,
09bef843
SB
3232 XATTRBLOCK,
3233 XATTRTERM,
6f33ba73
RGS
3234 XTERMBLOCK,
3235 XTERMORDORDOR /* evil hack */
79072805
LW
3236} expectation;
3237
dc9e4912
GS
3238enum { /* pass one of these to get_vtbl */
3239 want_vtbl_sv,
3240 want_vtbl_env,
3241 want_vtbl_envelem,
3242 want_vtbl_sig,
3243 want_vtbl_sigelem,
3244 want_vtbl_pack,
3245 want_vtbl_packelem,
3246 want_vtbl_dbline,
3247 want_vtbl_isa,
3248 want_vtbl_isaelem,
3249 want_vtbl_arylen,
3250 want_vtbl_glob,
3251 want_vtbl_mglob,
3252 want_vtbl_nkeys,
3253 want_vtbl_taint,
3254 want_vtbl_substr,
3255 want_vtbl_vec,
3256 want_vtbl_pos,
3257 want_vtbl_bm,
3258 want_vtbl_fm,
3259 want_vtbl_uvar,
3260 want_vtbl_defelem,
3261 want_vtbl_regexp,
3262 want_vtbl_collxfrm,
3263 want_vtbl_amagic,
3264 want_vtbl_amagicelem,
4d1ff10f 3265#ifdef USE_5005THREADS
dc9e4912
GS
3266 want_vtbl_mutex,
3267#endif
3268 want_vtbl_regdata,
810b8aa5
GS
3269 want_vtbl_regdatum,
3270 want_vtbl_backref
dc9e4912
GS
3271};
3272
85e6fe83
LW
3273 /* Note: the lowest 8 bits are reserved for
3274 stuffing into op->op_private */
f3aa04c2 3275#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW
3276#define HINT_INTEGER 0x00000001
3277#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH
3278#define HINT_LOCALE 0x00000004
3279#define HINT_BYTES 0x00000008
393fec97 3280/* #define HINT_notused10 0x00000010 */
a0ed51b3 3281 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW
3282
3283#define HINT_BLOCK_SCOPE 0x00000100
3284#define HINT_STRICT_SUBS 0x00000200
3285#define HINT_STRICT_VARS 0x00000400
3286
b3ac6de7
IZ
3287#define HINT_NEW_INTEGER 0x00001000
3288#define HINT_NEW_FLOAT 0x00002000
3289#define HINT_NEW_BINARY 0x00004000
3290#define HINT_NEW_STRING 0x00008000
3291#define HINT_NEW_RE 0x00010000
3292#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3293
b3eb6a9b 3294#define HINT_RE_TAINT 0x00100000
e4d48cc9 3295#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3296
5ff3f7a4 3297#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3298#define HINT_UTF8 0x00800000
5ff3f7a4 3299
84d4ea48
JH
3300#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3301#define HINT_SORT_QUICKSORT 0x00000001
3302#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3303#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3304
8bfdd7d9 3305/* Various states of the input record separator SV (rs) */
d4cce5f1 3306#define RsSNARF(sv) (! SvOK(sv))
af7d13df
G
3307#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3308#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3309#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3310
128e8167 3311/* A struct for keeping various DEBUGGING related stuff,
ce333219 3312 * neatly packed. Currently only scratch variables for
128e8167
JH
3313 * constructing debug output are included. Needed always,
3314 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH
3315struct perl_debug_pad {
3316 SV pad[3];
3317};
3318
3319#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3320#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3321
56953603 3322/* Enable variables which are pointers to functions */
a2efc822 3323typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS
3324typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3325typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3326 char* strend, char* strbeg, I32 minend,
3327 SV* screamer, void* data, U32 flags);
f722798b
IZ
3328typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3329 char *strpos, char *strend,
3330 U32 flags,
3331 struct re_scream_pos_data_s *d);
3332typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3333typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3334
c76ac1ee 3335typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS
3336typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3337typedef void (*SVFUNC_t) (pTHX_ SV*);
3338typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3339typedef void (*XSINIT_t) (pTHX);
3340typedef void (*ATEXIT_t) (pTHX_ void*);
3341typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3342
22239a37
NIS
3343/* Set up PERLVAR macros for populating structs */
3344#define PERLVAR(var,type) type var;
51371543 3345#define PERLVARA(var,n,type) type var[n];
22239a37 3346#define PERLVARI(var,type,init) type var;
3fe35a81 3347#define PERLVARIC(var,type,init) type var;
22239a37 3348
58a50f62
GS
3349/* Interpreter exitlist entry */
3350typedef struct exitlistentry {
acfe0abc 3351 void (*fn) (pTHX_ void*);
58a50f62
GS
3352 void *ptr;
3353} PerlExitListEntry;
3354
22239a37
NIS
3355#ifdef PERL_GLOBAL_STRUCT
3356struct perl_vars {
7766f137 3357# include "perlvars.h"
22239a37
NIS
3358};
3359
7766f137 3360# ifdef PERL_CORE
533c011a
NIS
3361EXT struct perl_vars PL_Vars;
3362EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS
3363# else /* PERL_CORE */
3364# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3365EXT
7766f137 3366# endif /* WIN32 */
533c011a 3367struct perl_vars *PL_VarsPtr;
7766f137
GS
3368# define PL_Vars (*((PL_VarsPtr) \
3369 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3370# endif /* PERL_CORE */
22239a37
NIS
3371#endif /* PERL_GLOBAL_STRUCT */
3372
acfe0abc 3373#if defined(MULTIPLICITY)
d460ef45 3374/* If we have multiple interpreters define a struct
d4cce5f1 3375 holding variables which must be per-interpreter
d460ef45 3376 If we don't have threads anything that would have
d4cce5f1
NIS
3377 be per-thread is per-interpreter.
3378*/
3379
79072805 3380struct interpreter {
4d1ff10f 3381# ifndef USE_5005THREADS
7766f137
GS
3382# include "thrdvar.h"
3383# endif
3384# include "intrpvar.h"
3385/*
3386 * The following is a buffer where new variables must
acfe0abc 3387 * be defined to maintain binary compatibility with previous versions
7766f137
GS
3388 */
3389PERLVARA(object_compatibility,30, char)
49f531da 3390};
d4cce5f1 3391
79072805 3392#else
49f531da
NIS
3393struct interpreter {
3394 char broiled;
3395};
acfe0abc 3396#endif /* MULTIPLICITY */
79072805 3397
4d1ff10f 3398#ifdef USE_5005THREADS
d4cce5f1
NIS
3399/* If we have threads define a struct with all the variables
3400 * that have to be per-thread
49f531da 3401 */
8023c3ce 3402
79072805 3403
49f531da 3404struct perl_thread {
49f531da 3405#include "thrdvar.h"
79072805 3406};
d4cce5f1 3407
22fae026
TM
3408typedef struct perl_thread *Thread;
3409
3410#else
3411typedef void *Thread;
22239a37
NIS
3412#endif
3413
3414/* Done with PERLVAR macros for now ... */
d4cce5f1 3415#undef PERLVAR
51371543 3416#undef PERLVARA
d4cce5f1 3417#undef PERLVARI
3fe35a81 3418#undef PERLVARIC
79072805 3419
22239a37 3420#include "thread.h"
79072805 3421#include "pp.h"
864dbfa3
GS
3422
3423#ifndef PERL_CALLCONV
3424# define PERL_CALLCONV
d460ef45 3425#endif
864dbfa3 3426
65f19062
GS
3427#ifndef NEXT30_NO_ATTRIBUTE
3428# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3429# ifdef __attribute__ /* Avoid possible redefinition errors */
3430# undef __attribute__
3431# endif
3432# define __attribute__(attr)
3433# endif
3434#endif
3435
0cb96387
GS
3436#undef PERL_CKDEF
3437#undef PERL_PPDEF
3438#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3439#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3440
7766f137 3441#include "proto.h"
864dbfa3 3442
0cb96387 3443/* this has structure inits, so it cannot be included before here */
acfe0abc 3444#include "opcode.h"
864dbfa3 3445
d4cce5f1
NIS
3446/* The following must follow proto.h as #defines mess up syntax */
3447
22c35a8c
GS
3448#if !defined(PERL_FOR_X2P)
3449# include "embedvar.h"
3450#endif
d4cce5f1 3451
d460ef45 3452/* Now include all the 'global' variables
d4cce5f1 3453 * If we don't have threads or multiple interpreters
d460ef45 3454 * these include variables that would have been their struct-s
d4cce5f1 3455 */
d460ef45 3456
533c011a 3457#define PERLVAR(var,type) EXT type PL_##var;
51371543 3458#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS
3459#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3460#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3461
acfe0abc 3462#if !defined(MULTIPLICITY)
7766f137 3463START_EXTERN_C
066ef5b5 3464# include "intrpvar.h"
4d1ff10f 3465# ifndef USE_5005THREADS
066ef5b5
GS
3466# include "thrdvar.h"
3467# endif
7766f137 3468END_EXTERN_C
22239a37
NIS
3469#endif
3470
acfe0abc 3471#if defined(WIN32)
66a93824 3472/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3473# include "embed.h"
acfe0abc 3474#endif
22239a37 3475
c5be433b
GS
3476#ifndef PERL_GLOBAL_STRUCT
3477START_EXTERN_C
3478
3479# include "perlvars.h"
3480
3481END_EXTERN_C
3482#endif
3483
d4cce5f1 3484#undef PERLVAR
51371543 3485#undef PERLVARA
d4cce5f1 3486#undef PERLVARI
0f3f18a6 3487#undef PERLVARIC
79072805 3488
73c4f7a1
GS
3489START_EXTERN_C
3490
79072805 3491#ifdef DOINIT
bbce6d69 3492
68795e93 3493EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS
3494 MEMBER_TO_FPTR(Perl_magic_set),
3495 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3496 0, 0};
2b260de0
GS
3497EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3498 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3499 0};
2b260de0
GS
3500EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3501 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3502 0};
22c35a8c 3503EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH
3504#ifdef PERL_MICRO
3505EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3506#else
2b260de0
GS
3507EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3508 MEMBER_TO_FPTR(Perl_magic_setsig),
3509 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3510 0};
64ca3a65 3511#endif
68795e93
NIS
3512EXT MGVTBL PL_vtbl_pack = {0, 0,
3513 MEMBER_TO_FPTR(Perl_magic_sizepack),
3514 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3515 0};
2b260de0 3516EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3517 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3518 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3519 0};
2b260de0 3520EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3521 0, 0, 0};
2b260de0
GS
3522EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3523 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3524 0};
2b260de0 3525EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3526 0, 0, 0};
2b260de0
GS
3527EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3528 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3529 0, 0, 0};
2b260de0
GS
3530EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3531 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3532 0, 0, 0};
2b260de0 3533EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3534 0, 0, 0};
2b260de0
GS
3535EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3536 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3537 0, 0, 0};
68795e93
NIS
3538EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3539 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3540 0, 0, 0};
68795e93
NIS
3541EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3542 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3543 0, 0, 0};
2b260de0 3544EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3545 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3546 0, 0, 0};
2b260de0
GS
3547EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3548 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3549 0, 0, 0};
2b260de0 3550EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3551 0, 0, 0};
2b260de0 3552EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3553 0, 0, 0};
2b260de0
GS
3554EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3555 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3556 0, 0, 0};
4d1ff10f 3557#ifdef USE_5005THREADS
68795e93
NIS
3558EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0,
3559 MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3560#endif /* USE_5005THREADS */
68795e93
NIS
3561EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3562 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3563 0, 0, 0};
a0d0e21e 3564
2b260de0
GS
3565EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3566EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG
3567EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3568 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3569
36477c24 3570#ifdef USE_LOCALE_COLLATE
22c35a8c 3571EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3572 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69
PP
3573 0, 0, 0};
3574#endif
a0d0e21e 3575
2b260de0
GS
3576EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3577 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3578EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3579 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3580
810b8aa5 3581EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3582 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3583
d460ef45
NIS
3584EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3585 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3586
bbce6d69
PP
3587#else /* !DOINIT */
3588
22c35a8c
GS
3589EXT MGVTBL PL_vtbl_sv;
3590EXT MGVTBL PL_vtbl_env;
3591EXT MGVTBL PL_vtbl_envelem;
3592EXT MGVTBL PL_vtbl_sig;
3593EXT MGVTBL PL_vtbl_sigelem;
3594EXT MGVTBL PL_vtbl_pack;
3595EXT MGVTBL PL_vtbl_packelem;
3596EXT MGVTBL PL_vtbl_dbline;
3597EXT MGVTBL PL_vtbl_isa;
3598EXT MGVTBL PL_vtbl_isaelem;
3599EXT MGVTBL PL_vtbl_arylen;
3600EXT MGVTBL PL_vtbl_glob;
3601EXT MGVTBL PL_vtbl_mglob;
3602EXT MGVTBL PL_vtbl_nkeys;
3603EXT MGVTBL PL_vtbl_taint;
3604EXT MGVTBL PL_vtbl_substr;
3605EXT MGVTBL PL_vtbl_vec;
3606EXT MGVTBL PL_vtbl_pos;
3607EXT MGVTBL PL_vtbl_bm;
3608EXT MGVTBL PL_vtbl_fm;
3609EXT MGVTBL PL_vtbl_uvar;
d460ef45 3610EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3611
4d1ff10f 3612#ifdef USE_5005THREADS
22c35a8c 3613EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3614#endif /* USE_5005THREADS */
f93b4edd 3615
22c35a8c
GS
3616EXT MGVTBL PL_vtbl_defelem;
3617EXT MGVTBL PL_vtbl_regexp;
3618EXT MGVTBL PL_vtbl_regdata;
3619EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3620
36477c24 3621#ifdef USE_LOCALE_COLLATE
22c35a8c 3622EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3623#endif
a0d0e21e 3624
22c35a8c
GS
3625EXT MGVTBL PL_vtbl_amagic;
3626EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3627
810b8aa5
GS
3628EXT MGVTBL PL_vtbl_backref;
3629
bbce6d69 3630#endif /* !DOINIT */
85e6fe83 3631
f5284f61
IZ
3632enum {
3633 fallback_amg, abs_amg,
3634 bool__amg, nomethod_amg,
3635 string_amg, numer_amg,
3636 add_amg, add_ass_amg,
3637 subtr_amg, subtr_ass_amg,
3638 mult_amg, mult_ass_amg,
3639 div_amg, div_ass_amg,
3640 modulo_amg, modulo_ass_amg,
3641 pow_amg, pow_ass_amg,
3642 lshift_amg, lshift_ass_amg,
3643 rshift_amg, rshift_ass_amg,
3644 band_amg, band_ass_amg,
3645 bor_amg, bor_ass_amg,
3646 bxor_amg, bxor_ass_amg,
3647 lt_amg, le_amg,
3648 gt_amg, ge_amg,
3649 eq_amg, ne_amg,
3650 ncmp_amg, scmp_amg,
3651 slt_amg, sle_amg,
3652 sgt_amg, sge_amg,
3653 seq_amg, sne_amg,
3654 not_amg, compl_amg,
3655 inc_amg, dec_amg,
3656 atan2_amg, cos_amg,
3657 sin_amg, exp_amg,
3658 log_amg, sqrt_amg,
3659 repeat_amg, repeat_ass_amg,
3660 concat_amg, concat_ass_amg,
3661 copy_amg, neg_amg,
3662 to_sv_amg, to_av_amg,
3663 to_hv_amg, to_gv_amg,
d460ef45 3664 to_cv_amg, iter_amg,
f216259d
IZ
3665 int_amg, DESTROY_amg,
3666 max_amg_code
64a0062a 3667 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ
3668};
3669
3670#define NofAMmeth max_amg_code
89ffc314 3671#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3672
a0d0e21e 3673#ifdef DOINIT
22c35a8c 3674EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ
3675 /* Names kept in the symbol table. fallback => "()", the rest has
3676 "(" prepended. The only other place in perl which knows about
3677 this convention is AMG_id2name (used for debugging output and
3678 'nomethod' only), the only other place which has it hardwired is
3679 overload.pm. */
3680 "()", "(abs", /* "fallback" should be the first. */
3681 "(bool", "(nomethod",
3682 "(\"\"", "(0+",
3683 "(+", "(+=",
3684 "(-", "(-=",
3685 "(*", "(*=",
3686 "(/", "(/=",
3687 "(%", "(%=",
3688 "(**", "(**=",
3689 "(<<", "(<<=",
3690 "(>>", "(>>=",
3691 "(&", "(&=",
3692 "(|", "(|=",
3693 "(^", "(^=",
3694 "(<", "(<=",
3695 "(>", "(>=",
3696 "(==", "(!=",
3697 "(<=>", "(cmp",
3698 "(lt", "(le",
3699 "(gt", "(ge",
3700 "(eq", "(ne",
3701 "(!", "(~",
3702 "(++", "(--",
3703 "(atan2", "(cos",
3704 "(sin", "(exp",
3705 "(log", "(sqrt",
3706 "(x", "(x=",
3707 "(.", "(.=",
3708 "(=", "(neg",
3709 "(${}", "(@{}",
3710 "(%{}", "(*{}",
3711 "(&{}", "(<>",
f216259d 3712 "(int", "DESTROY",
a0d0e21e
LW
3713};
3714#else
22c35a8c 3715EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW
3716#endif /* def INITAMAGIC */
3717
73c4f7a1
GS
3718END_EXTERN_C
3719
a6006777 3720struct am_table {
eb160463 3721 U32 was_ok_sub;
a0d0e21e 3722 long was_ok_am;
a6006777
PP
3723 U32 flags;
3724 CV* table[NofAMmeth];
a0d0e21e
LW
3725 long fallback;
3726};
a6006777 3727struct am_table_short {
eb160463 3728 U32 was_ok_sub;
a6006777
PP
3729 long was_ok_am;
3730 U32 flags;
3731};
a0d0e21e 3732typedef struct am_table AMT;
a6006777 3733typedef struct am_table_short AMTS;
a0d0e21e
LW
3734
3735#define AMGfallNEVER 1
3736#define AMGfallNO 2
3737#define AMGfallYES 3
3738
a6006777 3739#define AMTf_AMAGIC 1
32251b26 3740#define AMTf_OVERLOADED 2
a6006777
PP
3741#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)