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Re: [perl #15479] perl 5.8.0 segfault
[perl5.git] / perl.h
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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
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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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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
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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 */
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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)
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68# define MULTIPLICITY
69# endif
70#endif
71
4d1ff10f 72#ifdef USE_5005THREADS
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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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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
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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,
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116# define pTHX_1 2
117# define pTHX_2 3
118# define pTHX_3 4
119# define pTHX_4 5
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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
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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
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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
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173#endif
174
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175/* these are only defined for compatibility; should not be used internally */
176#if !defined(pTHXo) && !defined(PERL_CORE)
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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)
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183#endif
184
185#ifndef pTHXx
186# define pTHXx register PerlInterpreter *my_perl
187# define pTHXx_ pTHXx,
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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))
169d69b2 231# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
728e2803
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 ??? */
236# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
237# define STMT_START if (1)
238# define STMT_END else (void)0
239# else
240# define STMT_START do
241# define STMT_END while (0)
242# endif
243# endif
244#endif
245
0cb96387 246#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 247#define WITH_THR(s) WITH_THX(s)
ea0efc06 248
55497cff
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
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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
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373#endif
374
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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
a0d0e21e
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407#endif
408
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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))
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466# include "embed.h"
467#endif
468
c31fac66
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469#define MEM_SIZE Size_t
470
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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
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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
748a9306 733#else
aba27d88 734# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
748a9306 735#endif
ed6116ce 736
4d1ff10f 737#ifdef USE_5005THREADS
38a03e6e 738# define ERRSV (thr->errsv)
940cb80d
MB
739# define DEFSV THREADSV(0)
740# define SAVE_DEFSV save_threadsv(0)
38a03e6e 741#else
3280af22 742# define ERRSV GvSV(PL_errgv)
3280af22
NIS
743# define DEFSV GvSV(PL_defgv)
744# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
4d1ff10f 745#endif /* USE_5005THREADS */
38a03e6e 746
98eae8f5
GS
747#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
748
55497cff 749#ifndef errno
5ff3f7a4
GS
750 extern int errno; /* ANSI allows errno to be an lvalue expr.
751 * For example in multithreaded environments
752 * something like this might happen:
753 * extern int *_errno(void);
754 * #define errno (*_errno()) */
d9d8d8de 755#endif
663a0e37 756
2304df62 757#ifdef HAS_STRERROR
a0d0e21e 758# ifdef VMS
20ce7b12 759 char *strerror (int,...);
a0d0e21e 760# else
68dc0745 761#ifndef DONT_DECLARE_STD
20ce7b12 762 char *strerror (int);
68dc0745 763#endif
a0d0e21e 764# endif
2304df62
AD
765# ifndef Strerror
766# define Strerror strerror
767# endif
768#else
769# ifdef HAS_SYS_ERRLIST
79072805
LW
770 extern int sys_nerr;
771 extern char *sys_errlist[];
2304df62
AD
772# ifndef Strerror
773# define Strerror(e) \
79072805 774 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 775# endif
79072805 776# endif
35c8bce7 777#endif
663a0e37 778
2304df62 779#ifdef I_SYS_IOCTL
79072805
LW
780# ifndef _IOCTL_
781# include <sys/ioctl.h>
782# endif
a687059c
LW
783#endif
784
ee0007ab 785#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
786# ifdef HAS_SOCKETPAIR
787# undef HAS_SOCKETPAIR
788# endif
2304df62
AD
789# ifdef I_NDBM
790# undef I_NDBM
79072805 791# endif
a687059c
LW
792#endif
793
02fc2eee
NC
794#ifndef HAS_SOCKETPAIR
795# ifdef HAS_SOCKET
796# define socketpair Perl_my_socketpair
797# endif
798#endif
799
a687059c 800#if INTSIZE == 2
79072805
LW
801# define htoni htons
802# define ntohi ntohs
a687059c 803#else
79072805
LW
804# define htoni htonl
805# define ntohi ntohl
a687059c
LW
806#endif
807
a0d0e21e 808/* Configure already sets Direntry_t */
35c8bce7 809#if defined(I_DIRENT)
663a0e37 810# include <dirent.h>
8f1f23e8
W
811 /* NeXT needs dirent + sys/dir.h */
812# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
813# include <sys/dir.h>
814# endif
ae986130 815#else
fe14fcc3 816# ifdef I_SYS_NDIR
79a0689e 817# include <sys/ndir.h>
663a0e37 818# else
fe14fcc3 819# ifdef I_SYS_DIR
79a0689e
LW
820# ifdef hp9000s500
821# include <ndir.h> /* may be wrong in the future */
822# else
823# include <sys/dir.h>
824# endif
663a0e37
LW
825# endif
826# endif
4633a7c4 827#endif
a687059c 828
12ae5dfc
JH
829#ifdef PERL_MICRO
830# ifndef DIR
831# define DIR void
832# endif
833#endif
834
352d5a3a
LW
835#ifdef FPUTS_BOTCH
836/* work around botch in SunOS 4.0.1 and 4.0.2 */
837# ifndef fputs
79072805 838# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
839# endif
840#endif
841
c623bd54
LW
842/*
843 * The following gobbledygook brought to you on behalf of __STDC__.
844 * (I could just use #ifndef __STDC__, but this is more bulletproof
845 * in the face of half-implementations.)
846 */
847
7114a2d2 848#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
849#include <sys/mode.h>
850#endif
851
c623bd54
LW
852#ifndef S_IFMT
853# ifdef _S_IFMT
854# define S_IFMT _S_IFMT
855# else
856# define S_IFMT 0170000
857# endif
858#endif
859
860#ifndef S_ISDIR
861# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
862#endif
863
864#ifndef S_ISCHR
865# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
866#endif
867
868#ifndef S_ISBLK
fe14fcc3
LW
869# ifdef S_IFBLK
870# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
871# else
872# define S_ISBLK(m) (0)
873# endif
c623bd54
LW
874#endif
875
876#ifndef S_ISREG
877# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
878#endif
879
880#ifndef S_ISFIFO
fe14fcc3
LW
881# ifdef S_IFIFO
882# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
883# else
884# define S_ISFIFO(m) (0)
885# endif
c623bd54
LW
886#endif
887
888#ifndef S_ISLNK
889# ifdef _S_ISLNK
890# define S_ISLNK(m) _S_ISLNK(m)
891# else
892# ifdef _S_IFLNK
893# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
894# else
895# ifdef S_IFLNK
896# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
897# else
898# define S_ISLNK(m) (0)
899# endif
900# endif
901# endif
902#endif
903
904#ifndef S_ISSOCK
905# ifdef _S_ISSOCK
906# define S_ISSOCK(m) _S_ISSOCK(m)
907# else
908# ifdef _S_IFSOCK
909# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
910# else
911# ifdef S_IFSOCK
912# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
913# else
914# define S_ISSOCK(m) (0)
915# endif
916# endif
917# endif
918#endif
919
920#ifndef S_IRUSR
921# ifdef S_IREAD
922# define S_IRUSR S_IREAD
923# define S_IWUSR S_IWRITE
924# define S_IXUSR S_IEXEC
925# else
926# define S_IRUSR 0400
927# define S_IWUSR 0200
928# define S_IXUSR 0100
929# endif
fac7cdfc 930#endif
931
932#ifndef S_IRGRP
933# ifdef S_IRUSR
934# define S_IRGRP (S_IRUSR>>3)
935# define S_IWGRP (S_IWUSR>>3)
936# define S_IXGRP (S_IXUSR>>3)
937# else
938# define S_IRGRP 0040
939# define S_IWGRP 0020
940# define S_IXGRP 0010
941# endif
942#endif
943
944#ifndef S_IROTH
945# ifdef S_IRUSR
946# define S_IROTH (S_IRUSR>>6)
947# define S_IWOTH (S_IWUSR>>6)
948# define S_IXOTH (S_IXUSR>>6)
949# else
950# define S_IROTH 0040
951# define S_IWOTH 0020
952# define S_IXOTH 0010
953# endif
c623bd54
LW
954#endif
955
956#ifndef S_ISUID
957# define S_ISUID 04000
958#endif
959
960#ifndef S_ISGID
961# define S_ISGID 02000
962#endif
963
ca6e1c26
JH
964#ifndef S_IRWXU
965# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 966#endif
ca6e1c26
JH
967
968#ifndef S_IRWXG
969# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 970#endif
ca6e1c26
JH
971
972#ifndef S_IRWXO
973# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 974#endif
ca6e1c26 975
c21fb2b8
JH
976/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
977 * which would get included through <sys/file.h >, but that is 3000
978 * lines in the future. --jhi */
979
980#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
981# define S_IREAD S_IRUSR
982#endif
983
c21fb2b8 984#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
985# define S_IWRITE S_IWUSR
986#endif
987
988#ifndef S_IEXEC
989# define S_IEXEC S_IXUSR
990#endif
991
79072805
LW
992#ifdef ff_next
993# undef ff_next
352d5a3a
LW
994#endif
995
a0d0e21e 996#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
997# define SLOPPYDIVIDE
998#endif
999
748a9306
LW
1000#ifdef UV
1001#undef UV
1002#endif
1003
c89df6bf
JH
1004#ifdef SPRINTF_E_BUG
1005# define sprintf UTS_sprintf_wrap
1006#endif
1007
c495e728
JH
1008/* Configure gets this right but the UTS compiler gets it wrong.
1009 -- Hal Morris <hom00@utsglobal.com> */
1010#ifdef UTS
1011# undef UVTYPE
1012# define UVTYPE unsigned
1013#endif
1014
05f13f53 1015/*
27d4fb96
PP
1016 The IV type is supposed to be long enough to hold any integral
1017 value or a pointer.
1018 --Andy Dougherty August 1996
1019*/
1020
a22e52b9
JH
1021typedef IVTYPE IV;
1022typedef UVTYPE UV;
8175356b 1023
10cc9d2a 1024#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1025# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1026# define IV_MAX INT64_MAX
1027# define IV_MIN INT64_MIN
1028# define UV_MAX UINT64_MAX
cae7ae48
JH
1029# ifndef UINT64_MIN
1030# define UINT64_MIN 0
1031# endif
5ff3f7a4
GS
1032# define UV_MIN UINT64_MIN
1033# else
1034# define IV_MAX PERL_QUAD_MAX
1035# define IV_MIN PERL_QUAD_MIN
1036# define UV_MAX PERL_UQUAD_MAX
1037# define UV_MIN PERL_UQUAD_MIN
1038# endif
cf2093f6
JH
1039# define IV_IS_QUAD
1040# define UV_IS_QUAD
79072805 1041#else
8175356b 1042# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1043# define IV_MAX INT32_MAX
1044# define IV_MIN INT32_MIN
716026f9
DL
1045# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1046# define UV_MAX UINT32_MAX
1047# else
1048# define UV_MAX 4294967295U
1049# endif
cae7ae48
JH
1050# ifndef UINT32_MIN
1051# define UINT32_MIN 0
1052# endif
5ff3f7a4
GS
1053# define UV_MIN UINT32_MIN
1054# else
1055# define IV_MAX PERL_LONG_MAX
1056# define IV_MIN PERL_LONG_MIN
1057# define UV_MAX PERL_ULONG_MAX
1058# define UV_MIN PERL_ULONG_MIN
1059# endif
8175356b 1060# if IVSIZE == 8
cf2093f6
JH
1061# define IV_IS_QUAD
1062# define UV_IS_QUAD
de1c2614
JH
1063# ifndef HAS_QUAD
1064# define HAS_QUAD
1065# endif
cf2093f6
JH
1066# else
1067# undef IV_IS_QUAD
1068# undef UV_IS_QUAD
de1c2614 1069# undef HAS_QUAD
cf2093f6 1070# endif
79072805 1071#endif
d7d93a81 1072
6cde8aec 1073#if defined(uts) || defined(UTS)
11afe549
HM
1074# undef UV_MAX
1075# define UV_MAX (4294967295u)
20601011
JH
1076#endif
1077
cae7ae48 1078#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1079#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1080
28e5dec8 1081#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1082#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1083#endif
1084
d460ef45 1085/*
26bb67e2
JH
1086 * The macros INT2PTR and NUM2PTR are (despite their names)
1087 * bi-directional: they will convert int/float to or from pointers.
1088 * However the conversion to int/float are named explicitly:
1089 * PTR2IV, PTR2UV, PTR2NV.
1090 *
1091 * For int conversions we do not need two casts if pointers are
1092 * the same size as IV and UV. Otherwise we need an explicit
1093 * cast (PTRV) to avoid compiler warnings.
1094 */
56431972
RB
1095#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1096# define PTRV UV
1097# define INT2PTR(any,d) (any)(d)
1098#else
d460ef45 1099# if PTRSIZE == LONGSIZE
56431972 1100# define PTRV unsigned long
42718184 1101# else
56431972 1102# define PTRV unsigned
42718184 1103# endif
56431972 1104# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1105#endif
56431972
RB
1106#define NUM2PTR(any,d) (any)(PTRV)(d)
1107#define PTR2IV(p) INT2PTR(IV,p)
1108#define PTR2UV(p) INT2PTR(UV,p)
1109#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1110#if PTRSIZE == LONGSIZE
d2560b70
RB
1111# define PTR2ul(p) (unsigned long)(p)
1112#else
1113# define PTR2ul(p) INT2PTR(unsigned long,p)
1114#endif
d460ef45 1115
65202027 1116#ifdef USE_LONG_DOUBLE
1048ea30
JH
1117# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1118# define LONG_DOUBLE_EQUALS_DOUBLE
1119# endif
68d4903c 1120# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1121# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1122# endif
1123#endif
1124
2d4389e4
JH
1125#ifdef OVR_DBL_DIG
1126/* Use an overridden DBL_DIG */
1127# ifdef DBL_DIG
1128# undef DBL_DIG
1129# endif
1130# define DBL_DIG OVR_DBL_DIG
1131#else
1132/* The following is all to get DBL_DIG, in order to pick a nice
1133 default value for printing floating point numbers in Gconvert.
1134 (see config.h)
1135*/
1136#ifdef I_LIMITS
1137#include <limits.h>
1138#endif
1139#ifdef I_FLOAT
1140#include <float.h>
1141#endif
1142#ifndef HAS_DBL_DIG
1143#define DBL_DIG 15 /* A guess that works lots of places */
1144#endif
1145#endif
cbca01e1
JH
1146#ifdef I_FLOAT
1147#include <float.h>
1148#endif
1149#ifndef HAS_DBL_DIG
1150#define DBL_DIG 15 /* A guess that works lots of places */
1151#endif
2d4389e4
JH
1152
1153#ifdef OVR_LDBL_DIG
1154/* Use an overridden LDBL_DIG */
1155# ifdef LDBL_DIG
1156# undef LDBL_DIG
1157# endif
1158# define LDBL_DIG OVR_LDBL_DIG
1159#else
1160/* The following is all to get LDBL_DIG, in order to pick a nice
1161 default value for printing floating point numbers in Gconvert.
1162 (see config.h)
1163*/
68d4903c
JH
1164# ifdef I_LIMITS
1165# include <limits.h>
1166# endif
1167# ifdef I_FLOAT
1168# include <float.h>
1169# endif
1170# ifndef HAS_LDBL_DIG
1171# if LONG_DOUBLESIZE == 10
1172# define LDBL_DIG 18 /* assume IEEE */
1173# else
1174# if LONG_DOUBLESIZE == 12
1175# define LDBL_DIG 18 /* gcc? */
1176# else
1177# if LONG_DOUBLESIZE == 16
1178# define LDBL_DIG 33 /* assume IEEE */
1179# else
1180# if LONG_DOUBLESIZE == DOUBLESIZE
1181# define LDBL_DIG DBL_DIG /* bummer */
1182# endif
1183# endif
1184# endif
1185# endif
1186# endif
2d4389e4
JH
1187#endif
1188
a22e52b9 1189typedef NVTYPE NV;
8175356b 1190
792d8dab
JH
1191#ifdef I_IEEEFP
1192# include <ieeefp.h>
1193#endif
923fc586 1194
65202027 1195#ifdef USE_LONG_DOUBLE
923fc586
JH
1196# ifdef I_SUNMATH
1197# include <sunmath.h>
1198# endif
2d4389e4 1199# define NV_DIG LDBL_DIG
d6c14000
JH
1200# ifdef LDBL_MANT_DIG
1201# define NV_MANT_DIG LDBL_MANT_DIG
1202# endif
06fc1729
JH
1203# ifdef LDBL_MIN
1204# define NV_MIN LDBL_MIN
1205# endif
1206# ifdef LDBL_MAX
1207# define NV_MAX LDBL_MAX
1208# endif
1209# ifdef LDBL_MIN_10_EXP
1210# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1211# endif
1212# ifdef LDBL_MAX_10_EXP
1213# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1214# endif
1215# ifdef LDBL_EPSILON
1216# define NV_EPSILON LDBL_EPSILON
1217# endif
f4a14a62
JH
1218# ifdef LDBL_MAX
1219# define NV_MAX LDBL_MAX
1220# define NV_MIN LDBL_MIN
1221# else
1222# ifdef HUGE_VALL
1223# define NV_MAX HUGE_VALL
1224# else
1225# ifdef HUGE_VAL
1226# define NV_MAX ((NV)HUGE_VAL)
1227# endif
1228# endif
1229# endif
68d4903c 1230# ifdef HAS_SQRTL
68d4903c
JH
1231# define Perl_cos cosl
1232# define Perl_sin sinl
1233# define Perl_sqrt sqrtl
1234# define Perl_exp expl
1235# define Perl_log logl
1236# define Perl_atan2 atan2l
1237# define Perl_pow powl
1238# define Perl_floor floorl
1239# define Perl_fmod fmodl
1240# endif
a3540c92
JH
1241/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1242# ifdef HAS_MODFL
1243# define Perl_modf(x,y) modfl(x,y)
e82e08d5
JH
1244# else
1245# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
a3540c92
JH
1246# endif
1247# ifdef HAS_FREXPL
dff3e0b8 1248# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5
JH
1249# else
1250# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
a3540c92 1251# endif
38dbb4c5 1252# ifndef Perl_isnan
758a5d79
JH
1253# ifdef HAS_ISNANL
1254# define Perl_isnan(x) isnanl(x)
1255# endif
1256# endif
1257# ifndef Perl_isinf
1258# ifdef HAS_FINITEL
1259# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1260# endif
1261# endif
65202027 1262#else
2d4389e4 1263# define NV_DIG DBL_DIG
d6c14000
JH
1264# ifdef DBL_MANT_DIG
1265# define NV_MANT_DIG DBL_MANT_DIG
1266# endif
06fc1729
JH
1267# ifdef DBL_MIN
1268# define NV_MIN DBL_MIN
1269# endif
1270# ifdef DBL_MAX
1271# define NV_MAX DBL_MAX
1272# endif
1273# ifdef DBL_MIN_10_EXP
1274# define NV_MIN_10_EXP DBL_MIN_10_EXP
1275# endif
1276# ifdef DBL_MAX_10_EXP
1277# define NV_MAX_10_EXP DBL_MAX_10_EXP
1278# endif
1279# ifdef DBL_EPSILON
1280# define NV_EPSILON DBL_EPSILON
1281# endif
f4a14a62
JH
1282# ifdef DBL_MAX
1283# define NV_MAX DBL_MAX
1284# define NV_MIN DBL_MIN
1285# else
1286# ifdef HUGE_VAL
1287# define NV_MAX HUGE_VAL
1288# endif
1289# endif
65202027
DS
1290# define Perl_cos cos
1291# define Perl_sin sin
1292# define Perl_sqrt sqrt
1293# define Perl_exp exp
1294# define Perl_log log
1295# define Perl_atan2 atan2
1296# define Perl_pow pow
1297# define Perl_floor floor
65202027 1298# define Perl_fmod fmod
a3540c92 1299# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1300# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1301#endif
1302
1303/* rumor has it that Win32 has _fpclass() */
1304
1305#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1306# ifdef I_IEEFP
1307# include <ieeefp.h>
1308# endif
1309# ifdef I_FP
1310# include <fp.h>
1311# endif
1312# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1313# define Perl_fp_class() fpclassl(x)
1314# else
1315# define Perl_fp_class() fpclass(x)
1316# endif
1317# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1318# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1319# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1320# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1321# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1322# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1323# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1324# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1325# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1326# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1327# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1328# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1329# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1330# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1331# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1332#endif
1333
7114a2d2 1334#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1335# include <math.h>
1336# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1337# include <fp_class.h>
1338# endif
1339# define Perl_fp_class(x) fp_class(x)
1340# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1341# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1342# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1343# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1344# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1345# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1346# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1347# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1348# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1349# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1350# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1351# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1352# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1353# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1354# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1355#endif
1356
1357#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1358# include <math.h>
1359# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1360# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1361# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1362# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1363# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1364# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1365#endif
1366
1367#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1368# include <math.h>
1369# ifndef _cplusplus
1370# define Perl_fp_class(x) class(x)
1371# else
1372# define Perl_fp_class(x) _class(x)
1373# endif
1374# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1375# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1376# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1377# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1378# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1379# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1380# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1381# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1382# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1383# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1384# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1385# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1386# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1387# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1388# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1389#endif
1390
1391/* rumor has it that Win32 has _isnan() */
1392
1393#ifndef Perl_isnan
a3540c92 1394# ifdef HAS_ISNAN
758a5d79
JH
1395# define Perl_isnan(x) isnan((NV)x)
1396# else
1397# ifdef Perl_fp_class_nan
1398# define Perl_isnan(x) Perl_fp_class_nan(x)
1399# else
1400# ifdef HAS_UNORDERED
1401# define Perl_isnan(x) unordered((x), 0.0)
1402# else
1403# define Perl_isnan(x) ((x)!=(x))
1404# endif
1405# endif
1406# endif
1407#endif
1408
ca6c63e1
JH
1409#ifdef UNDER_CE
1410int isnan(double d);
1411#endif
1412
758a5d79
JH
1413#ifndef Perl_isinf
1414# ifdef HAS_ISINF
1415# define Perl_isinf(x) isinf((NV)x)
a3540c92 1416# else
758a5d79
JH
1417# ifdef Perl_fp_class_inf
1418# define Perl_isinf(x) Perl_fp_class_inf(x)
1419# else
1420# define Perl_isinf(x) ((x)==NV_INF)
1421# endif
1422# endif
1423#endif
1424
1425#ifndef Perl_isfinite
1426# ifdef HAS_FINITE
1427# define Perl_isfinite(x) finite((NV)x)
1428# else
1429# ifdef HAS_ISFINITE
1430# define Perl_isfinite(x) isfinite(x)
1431# else
1432# ifdef Perl_fp_class_finite
1433# define Perl_isfinite(x) Perl_fp_class_finite(x)
1434# else
1435# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1436# endif
1437# endif
a3540c92 1438# endif
65202027
DS
1439#endif
1440
a36244b7
JH
1441/* The default is to use Perl's own atof() implementation (in numeric.c).
1442 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1443 * it is however best to use the native implementation of atof.
1444 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1445 * Some good tests to try out with either setting are t/base/num.t,
1446 * t/op/numconvert.t, and t/op/pack.t. */
1447
1448#ifndef USE_PERL_ATOF
1449# ifndef _UNICOS
1450# define USE_PERL_ATOF
1451# endif
1452#else
1453# if USE_PERL_ATOF == 0
1454# undef USE_PERL_ATOF
1455# endif
1456#endif
1457
1458#ifdef USE_PERL_ATOF
1459# define Perl_atof(s) Perl_my_atof(s)
1460# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1461#else
1462# define Perl_atof(s) (NV)atof(s)
1463# define Perl_atof2(s, n) ((n) = atof(s))
1464#endif
cf2093f6 1465
d460ef45 1466/* Previously these definitions used hardcoded figures.
760ac839
LW
1467 * It is hoped these formula are more portable, although
1468 * no data one way or another is presently known to me.
1469 * The "PERL_" names are used because these calculated constants
1470 * do not meet the ANSI requirements for LONG_MAX, etc., which
1471 * need to be constants acceptable to #if - kja
1472 * define PERL_LONG_MAX 2147483647L
1473 * define PERL_LONG_MIN (-LONG_MAX - 1)
1474 * define PERL ULONG_MAX 4294967295L
1475 */
1476
1477#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1478# include <limits.h>
1479#else
1480#ifdef I_VALUES
1481# include <values.h>
1482#endif
1483#endif
1484
99abf803
PP
1485/*
1486 * Try to figure out max and min values for the integral types. THE CORRECT
1487 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1488 * following hacks are used if neither limits.h or values.h provide them:
1489 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1490 * for types < int: (unsigned TYPE)~(unsigned)0
1491 * The argument to ~ must be unsigned so that later signed->unsigned
1492 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1493 * and it must not be smaller than int because ~ does integral promotion.
1494 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1495 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1496 * The latter is a hack which happens to work on some machines but
1497 * does *not* catch any random system, or things like integer types
1498 * with NaN if that is possible.
1499 *
1500 * All of the types are explicitly cast to prevent accidental loss of
1501 * numeric range, and in the hope that they will be less likely to confuse
1502 * over-eager optimizers.
1503 *
1504 */
27d4fb96 1505
99abf803
PP
1506#define PERL_UCHAR_MIN ((unsigned char)0)
1507
1508#ifdef UCHAR_MAX
1509# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1510#else
99abf803
PP
1511# ifdef MAXUCHAR
1512# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1513# else
99abf803 1514# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
1515# endif
1516#endif
d460ef45 1517
99abf803
PP
1518/*
1519 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1520 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1521 * depending on local options. Until Configure detects this (or at least
1522 * detects whether the "signed" keyword is available) the CHAR ranges
1523 * will not be included. UCHAR functions normally.
1524 * - kja
1525 */
27d4fb96 1526
99abf803
PP
1527#define PERL_USHORT_MIN ((unsigned short)0)
1528
1529#ifdef USHORT_MAX
1530# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1531#else
99abf803
PP
1532# ifdef MAXUSHORT
1533# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1534# else
ef2f54b0
CB
1535# ifdef USHRT_MAX
1536# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1537# else
1538# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1539# endif
27d4fb96
PP
1540# endif
1541#endif
1542
27d4fb96 1543#ifdef SHORT_MAX
99abf803 1544# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
1545#else
1546# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1547# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1548# else
ef2f54b0
CB
1549# ifdef SHRT_MAX
1550# define PERL_SHORT_MAX ((short)SHRT_MAX)
1551# else
1552# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1553# endif
27d4fb96
PP
1554# endif
1555#endif
1556
1557#ifdef SHORT_MIN
99abf803 1558# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
1559#else
1560# ifdef MINSHORT
99abf803 1561# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1562# else
ef2f54b0
CB
1563# ifdef SHRT_MIN
1564# define PERL_SHORT_MIN ((short)SHRT_MIN)
1565# else
1566# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1567# endif
27d4fb96
PP
1568# endif
1569#endif
1570
99abf803
PP
1571#ifdef UINT_MAX
1572# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1573#else
99abf803
PP
1574# ifdef MAXUINT
1575# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1576# else
99abf803 1577# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
1578# endif
1579#endif
1580
99abf803 1581#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
1582
1583#ifdef INT_MAX
99abf803 1584# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
1585#else
1586# ifdef MAXINT /* Often used in <values.h> */
99abf803 1587# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1588# else
99abf803 1589# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
1590# endif
1591#endif
1592
1593#ifdef INT_MIN
99abf803 1594# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
1595#else
1596# ifdef MININT
99abf803 1597# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
1598# else
1599# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1600# endif
1601#endif
1602
99abf803
PP
1603#ifdef ULONG_MAX
1604# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1605#else
99abf803
PP
1606# ifdef MAXULONG
1607# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1608# else
99abf803 1609# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
1610# endif
1611#endif
1612
99abf803 1613#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1614
760ac839 1615#ifdef LONG_MAX
99abf803 1616# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
1617#else
1618# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1619# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1620# else
99abf803 1621# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
1622# endif
1623#endif
1624
1625#ifdef LONG_MIN
99abf803 1626# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
1627#else
1628# ifdef MINLONG
99abf803 1629# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1630# else
27d4fb96 1631# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
1632# endif
1633#endif
1634
d7d93a81 1635#ifdef UV_IS_QUAD
99abf803 1636
99abf803 1637# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1638# define PERL_UQUAD_MIN ((UV)0)
99abf803 1639# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1640# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1641
79072805
LW
1642#endif
1643
880b20b6
IZ
1644struct perl_mstats {
1645 UV *nfree;
1646 UV *ntotal;
1647 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1648 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1649 IV minbucket;
1650 /* Level 1 info */
1651 UV *bucket_mem_size;
1652 UV *bucket_available_size;
1653 UV nbuckets;
1654};
830247a4 1655struct RExC_state_t;
880b20b6 1656
ee0007ab 1657typedef MEM_SIZE STRLEN;
450a55e4 1658
79072805
LW
1659typedef struct op OP;
1660typedef struct cop COP;
1661typedef struct unop UNOP;
1662typedef struct binop BINOP;
1663typedef struct listop LISTOP;
1664typedef struct logop LOGOP;
79072805
LW
1665typedef struct pmop PMOP;
1666typedef struct svop SVOP;
7934575e 1667typedef struct padop PADOP;
79072805 1668typedef struct pvop PVOP;
79072805
LW
1669typedef struct loop LOOP;
1670
93a17b20 1671typedef struct interpreter PerlInterpreter;
d2b3f365
SS
1672
1673/* Amdahl's <ksync.h> has struct sv */
1674/* SGI's <sys/sema.h> has struct sv */
1675#if defined(UTS) || defined(__sgi)
1676# define STRUCT_SV perl_sv
b8d3c5db
JH
1677#else
1678# define STRUCT_SV sv
1679#endif
1680typedef struct STRUCT_SV SV;
79072805
LW
1681typedef struct av AV;
1682typedef struct hv HV;
1683typedef struct cv CV;
378cc40b 1684typedef struct regexp REGEXP;
79072805 1685typedef struct gp GP;
0c30d9ec 1686typedef struct gv GV;
8990e307 1687typedef struct io IO;
c09156bb 1688typedef struct context PERL_CONTEXT;
79072805
LW
1689typedef struct block BLOCK;
1690
1691typedef struct magic MAGIC;
ed6116ce 1692typedef struct xrv XRV;
79072805
LW
1693typedef struct xpv XPV;
1694typedef struct xpviv XPVIV;
ff68c719 1695typedef struct xpvuv XPVUV;
79072805
LW
1696typedef struct xpvnv XPVNV;
1697typedef struct xpvmg XPVMG;
1698typedef struct xpvlv XPVLV;
1699typedef struct xpvav XPVAV;
1700typedef struct xpvhv XPVHV;
1701typedef struct xpvgv XPVGV;
1702typedef struct xpvcv XPVCV;
1703typedef struct xpvbm XPVBM;
1704typedef struct xpvfm XPVFM;
8990e307 1705typedef struct xpvio XPVIO;
79072805
LW
1706typedef struct mgvtbl MGVTBL;
1707typedef union any ANY;
5f7fde29
GS
1708typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1709typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
1710typedef struct clone_params CLONE_PARAMS;
1711
8d063cd8 1712
378cc40b 1713#include "handy.h"
a0d0e21e 1714
6b8eaf93 1715#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
1716# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1717# define USE_64_BIT_RAWIO /* implicit */
1718# endif
4564133c
JH
1719#endif
1720
6b8eaf93
JH
1721/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1722 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1723 * however, because operating systems like to do that themself. */
1724#ifndef FSEEKSIZE
1725# ifdef HAS_FSEEKO
1726# define FSEEKSIZE LSEEKSIZE
1727# else
1728# define FSEEKSIZE LONGSIZE
d460ef45 1729# endif
6b8eaf93
JH
1730#endif
1731
1732#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
1733# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1734# define USE_64_BIT_STDIO /* implicit */
1735# endif
1736#endif
4564133c 1737
09458382 1738#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
1739# ifdef HAS_OFF64_T
1740# undef Off_t
1741# define Off_t off64_t
1742# undef LSEEKSIZE
1743# define LSEEKSIZE 8
5ff3f7a4 1744# endif
d9b3e12d
JH
1745/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1746 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1747 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
1748# if defined(USE_OPEN64)
1749# define open open64
5ff3f7a4 1750# endif
d9b3e12d
JH
1751# if defined(USE_LSEEK64)
1752# define lseek lseek64
6b8eaf93
JH
1753# else
1754# if defined(USE_LLSEEK)
1755# define lseek llseek
1756# endif
d9b3e12d
JH
1757# endif
1758# if defined(USE_STAT64)
1759# define stat stat64
1760# endif
1761# if defined(USE_FSTAT64)
1762# define fstat fstat64
1763# endif
1764# if defined(USE_LSTAT64)
1765# define lstat lstat64
1766# endif
1767# if defined(USE_FLOCK64)
1768# define flock flock64
1769# endif
1770# if defined(USE_LOCKF64)
1771# define lockf lockf64
1772# endif
1773# if defined(USE_FCNTL64)
1774# define fcntl fcntl64
1775# endif
1776# if defined(USE_TRUNCATE64)
1777# define truncate truncate64
1778# endif
1779# if defined(USE_FTRUNCATE64)
1780# define ftruncate ftruncate64
1781# endif
1782#endif
1783
1784#ifdef USE_64_BIT_STDIO
1785# ifdef HAS_FPOS64_T
1786# undef Fpos_t
1787# define Fpos_t fpos64_t
1788# endif
1789/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1790 * will trigger defines like the ones below. Some 64-bit environments,
1791 * however, do not. */
1792# if defined(USE_FOPEN64)
1793# define fopen fopen64
1794# endif
1795# if defined(USE_FSEEK64)
6b8eaf93 1796# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
1797# endif
1798# if defined(USE_FTELL64)
6b8eaf93 1799# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
1800# endif
1801# if defined(USE_FSETPOS64)
1802# define fsetpos fsetpos64
1803# endif
1804# if defined(USE_FGETPOS64)
1805# define fgetpos fgetpos64
1806# endif
1807# if defined(USE_TMPFILE64)
1808# define tmpfile tmpfile64
1809# endif
1810# if defined(USE_FREOPEN64)
1811# define freopen freopen64
5ff3f7a4
GS
1812# endif
1813#endif
1814
af8b425d 1815#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
1816# include "iperlsys.h"
1817#endif
1818
6f71a643 1819#if defined(__OPEN_VM)
19848b3f
JH
1820# include "vmesa/vmesaish.h"
1821# define ISHISH "vmesa"
6f71a643
JH
1822#endif
1823
748a9306 1824#ifdef DOSISH
19848b3f
JH
1825# if defined(OS2)
1826# include "os2ish.h"
1827# else
1828# include "dosish.h"
1829# endif
1830# define ISHISH "dos"
1831#endif
1832
1833#if defined(VMS)
748a9306 1834# include "vmsish.h"
96e176bf 1835# include "embed.h"
19848b3f
JH
1836# define ISHISH "vms"
1837#endif
1838
1839#if defined(PLAN9)
1840# include "./plan9/plan9ish.h"
1841# define ISHISH "plan9"
1842#endif
1843
1844#if defined(MPE)
1845# include "mpeix/mpeixish.h"
1846# define ISHISH "mpeix"
1847#endif
1848
1849#if defined(__VOS__)
196918b0
PG
1850# ifdef __GNUC__
1851# include "./vos/vosish.h"
1852# else
1853# include "vos/vosish.h"
1854# endif
19848b3f
JH
1855# define ISHISH "vos"
1856#endif
1857
1858#if defined(EPOC)
1859# include "epocish.h"
1860# define ISHISH "epoc"
1861#endif
1862
1863#if defined(MACOS_TRADITIONAL)
1864# include "macos/macish.h"
1865# ifndef NO_ENVIRON_ARRAY
1866# define NO_ENVIRON_ARRAY
0c30d9ec 1867# endif
19848b3f
JH
1868# define ISHISH "macos classic"
1869#endif
1870
efca5cc6
JH
1871#if defined(__BEOS__)
1872# include "beos/beosish.h"
1873# define ISHISH "beos"
1874#endif
1875
19848b3f
JH
1876#ifndef ISHISH
1877# include "unixish.h"
1878# define ISHISH "unix"
13b6e58c
JH
1879#endif
1880
1881#ifndef NO_ENVIRON_ARRAY
1882# define USE_ENVIRON_ARRAY
1883#endif
32f822de 1884
c77b533b
JH
1885/*
1886 * initialise to avoid floating-point exceptions from overflow, etc
1887 */
1888#ifndef PERL_FPU_INIT
1889# ifdef HAS_FPSETMASK
1890# if HAS_FLOATINGPOINT_H
1891# include <floatingpoint.h>
1892# endif
1893# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1894# else
7014c407
JH
1895# if defined(SIGFPE) && defined(SIG_IGN)
1896# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1897# else
1898# define PERL_FPU_INIT
1899# endif
c77b533b
JH
1900# endif
1901#endif
1902
ed344e4f
IZ
1903#ifndef PERL_SYS_INIT3
1904# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1905#endif
1906
be708cc0
JH
1907#ifndef PERL_WRITE_MSG_TO_CONSOLE
1908# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1909#endif
1910
0f31cffe
GS
1911#ifndef MAXPATHLEN
1912# ifdef PATH_MAX
b990c8b2
JH
1913# ifdef _POSIX_PATH_MAX
1914# if PATH_MAX > _POSIX_PATH_MAX
1915/* MAXPATHLEN is supposed to include the final null character,
1916 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1917# define MAXPATHLEN (PATH_MAX+1)
1918# else
1919# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1920# endif
1921# else
1922# define MAXPATHLEN (PATH_MAX+1)
1923# endif
0f31cffe 1924# else
b990c8b2
JH
1925# ifdef _POSIX_PATH_MAX
1926# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1927# else
1928# define MAXPATHLEN 1024 /* Err on the large side. */
1929# endif
0f31cffe
GS
1930# endif
1931#endif
1932
d460ef45 1933/*
4d1ff10f 1934 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1935 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
1936 * this results in many functions being undeclared which bothers C++
1937 * May make sense to have threads after "*ish.h" anyway
1938 */
1939
4d1ff10f
AB
1940#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
1941# if defined(USE_5005THREADS)
79d59c5f
GS
1942 /* pending resolution of licensing issues, we avoid the erstwhile
1943 * atomic.h everywhere */
1944# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1945# endif
2986a63f
JH
1946# ifdef NETWARE
1947# include <nw5thread.h>
1948# else
32f822de
GS
1949# ifdef FAKE_THREADS
1950# include "fakethr.h"
1951# else
1952# ifdef WIN32
1953# include <win32thread.h>
1954# else
dd96f567
IZ
1955# ifdef OS2
1956# include "os2thread.h"
1957# else
7f3d1cf1 1958# ifdef I_MACH_CTHREADS
bdd66968 1959# include <mach/cthreads.h>
8f1f23e8 1960# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
1961# define MUTEX_INIT_CALLS_MALLOC
1962# endif
7f3d1cf1
BH
1963typedef cthread_t perl_os_thread;
1964typedef mutex_t perl_mutex;
1965typedef condition_t perl_cond;
1966typedef void * perl_key;
1967# else /* Posix threads */
1f5ae88c
JH
1968# ifdef I_PTHREAD
1969# include <pthread.h>
1970# endif
7f3d1cf1
BH
1971typedef pthread_t perl_os_thread;
1972typedef pthread_mutex_t perl_mutex;
1973typedef pthread_cond_t perl_cond;
1974typedef pthread_key_t perl_key;
1975# endif /* I_MACH_CTHREADS */
dd96f567 1976# endif /* OS2 */
32f822de
GS
1977# endif /* WIN32 */
1978# endif /* FAKE_THREADS */
2986a63f 1979#endif /* NETWARE */
4d1ff10f 1980#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 1981
66a93824 1982#if defined(WIN32)
1feb2720 1983# include "win32.h"
c5be433b
GS
1984#endif
1985
2986a63f
JH
1986#ifdef NETWARE
1987# include "netware.h"
1988#endif
1989
68dc0745 1990#ifdef VMS
6b88bc9c 1991# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 1992# define STATUS_NATIVE_EXPORT \
d98f61e7 1993 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745
PP
1994# define STATUS_NATIVE_SET(n) \
1995 STMT_START { \
6b88bc9c
GS
1996 PL_statusvalue_vms = (n); \
1997 if ((I32)PL_statusvalue_vms == -1) \
3280af22 1998 PL_statusvalue = -1; \
6b88bc9c 1999 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2000 PL_statusvalue = 0; \
6b88bc9c
GS
2001 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2002 PL_statusvalue = 1 << 8; \
68dc0745 2003 else \
6b88bc9c 2004 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2005 } STMT_END
3280af22 2006# define STATUS_POSIX PL_statusvalue
68dc0745
PP
2007# ifdef VMSISH_STATUS
2008# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2009# else
2010# define STATUS_CURRENT STATUS_POSIX
2011# endif
2012# define STATUS_POSIX_SET(n) \
2013 STMT_START { \
3280af22
NIS
2014 PL_statusvalue = (n); \
2015 if (PL_statusvalue != -1) { \
2016 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2017 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2018 } \
6b88bc9c 2019 else PL_statusvalue_vms = -1; \
68dc0745 2020 } STMT_END
6b88bc9c
GS
2021# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2022# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745
PP
2023#else
2024# define STATUS_NATIVE STATUS_POSIX
2025# define STATUS_NATIVE_EXPORT STATUS_POSIX
2026# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2027# define STATUS_POSIX PL_statusvalue
68dc0745
PP
2028# define STATUS_POSIX_SET(n) \
2029 STMT_START { \
3280af22
NIS
2030 PL_statusvalue = (n); \
2031 if (PL_statusvalue != -1) \
2032 PL_statusvalue &= 0xFFFF; \
68dc0745
PP
2033 } STMT_END
2034# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS
2035# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2036# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745
PP
2037#endif
2038
cc3604b1
GS
2039/* flags in PL_exit_flags for nature of exit() */
2040#define PERL_EXIT_EXPECTED 0x01
31d77e54 2041#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2042
0b94c7bb 2043#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2044# define MEMBER_TO_FPTR(name) name
2045#endif
2046
2047/* format to use for version numbers in file/directory names */
273cf8d1 2048/* XXX move to Configure? */
a7cb1f99 2049#ifndef PERL_FS_VER_FMT
273cf8d1 2050# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2051#endif
2052
45bc9206 2053/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2054 * performance issue, so we allow people to disable it. Also, if
2055 * we are using stdio, there are broken implementations of fflush(NULL)
2056 * out there, Solaris being the most prominent.
45bc9206
GS
2057 */
2058#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2059# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2060# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2061# else
2062# ifdef FFLUSH_ALL
2063# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2064# else
c5be433b 2065# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2066# endif
66fe083f 2067# endif
45bc9206
GS
2068#endif
2069
7766f137
GS
2070#ifndef PERL_WAIT_FOR_CHILDREN
2071# define PERL_WAIT_FOR_CHILDREN NOOP
2072#endif
2073
ba869deb 2074/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2075#ifndef PERL_SET_INTERP
2076# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2077#endif
2078
2079#ifndef PERL_GET_INTERP
2080# define PERL_GET_INTERP (PL_curinterp)
2081#endif
2082
54aff467 2083#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 2084# ifdef USE_5005THREADS
ba869deb 2085# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS
2086# else
2087# ifdef MULTIPLICITY
ba869deb 2088# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS
2089# endif
2090# endif
ba869deb
GS
2091# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2092#endif
2093
894356b3
GS
2094#ifndef SVf
2095# ifdef CHECK_FORMAT
2096# define SVf "p"
2097# else
2098# define SVf "_"
d460ef45 2099# endif
894356b3
GS
2100#endif
2101
d2560b70
RB
2102#ifndef UVf
2103# ifdef CHECK_FORMAT
2104# define UVf UVuf
2105# else
2106# define UVf "Vu"
d460ef45 2107# endif
d2560b70
RB
2108#endif
2109
2110#ifndef VDf
2111# ifdef CHECK_FORMAT
2112# define VDf "p"
2113# else
2114# define VDf "vd"
d460ef45 2115# endif
d2560b70
RB
2116#endif
2117
b3fe4827
RB
2118#ifndef Nullformat
2119# ifdef CHECK_FORMAT
2120# define Nullformat "%s",""
2121# else
2122# define Nullformat Nullch
2123# endif
2124#endif
2125
3fc1aec6
PP
2126/* Some unistd.h's give a prototype for pause() even though
2127 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2128 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
2129*/
2130#ifdef HAS_PAUSE
2131#define Pause pause
2132#else
2133#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2134#endif
2135
2136#ifndef IOCPARM_LEN
2137# ifdef IOCPARM_MASK
2138 /* on BSDish systes we're safe */
2139# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2140# else
2141 /* otherwise guess at what's safe */
2142# define IOCPARM_LEN(x) 256
2143# endif
a0d0e21e
LW
2144#endif
2145
1761cee5 2146#if defined(__CYGWIN__)
521e0776
GS
2147/* USEMYBINMODE
2148 * This symbol, if defined, indicates that the program should
16fe6d59 2149 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2150 * that a file is in "binary" mode -- that is, that no translation
2151 * of bytes occurs on read or write operations.
2152 */
2153# define USEMYBINMODE / **/
16fe6d59
GS
2154# define my_binmode(fp, iotype, mode) \
2155 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
2156#endif
2157
cea2e8a9
GS
2158#ifdef UNION_ANY_DEFINITION
2159UNION_ANY_DEFINITION;
2160#else
2161union any {
2162 void* any_ptr;
2163 I32 any_i32;
2164 IV any_iv;
2165 long any_long;
c76ac1ee 2166 void (*any_dptr) (void*);
acfe0abc 2167 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2168};
2169#endif
2170
4d1ff10f 2171#ifdef USE_5005THREADS
cea2e8a9
GS
2172#define ARGSproto struct perl_thread *thr
2173#else
2174#define ARGSproto
4d1ff10f 2175#endif /* USE_5005THREADS */
cea2e8a9 2176
acfe0abc 2177typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2178
2179#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2180#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2181#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2182
c5078cac
JH
2183#if defined(_AIX) && !defined(_AIX43)
2184#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2185/* We cannot include <crypt.h> to get the struct crypt_data
2186 * because of setkey prototype problems when threading */
2187typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2188 /* From OSF, Not needed in AIX
2189 char C[28], D[28];
2190 */
2191 char E[48];
2192 char KS[16][48];
2193 char block[66];
2194 char iobuf[16];
2195} CRYPTD;
2196#endif /* threading */
2197#endif /* AIX */
2198
af8b425d 2199#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2200# include "iperlsys.h"
2201#endif
378cc40b 2202#include "regexp.h"
79072805 2203#include "sv.h"
378cc40b 2204#include "util.h"
8d063cd8 2205#include "form.h"
79072805
LW
2206#include "gv.h"
2207#include "cv.h"
abdd5c84 2208#include "opnames.h"
79072805
LW
2209#include "op.h"
2210#include "cop.h"
2211#include "av.h"
2212#include "hv.h"
2213#include "mg.h"
2214#include "scope.h"
4438c4b7 2215#include "warnings.h"
a0ed51b3 2216#include "utf8.h"
8d063cd8 2217
7fae4e64
GS
2218/* Current curly descriptor */
2219typedef struct curcur CURCUR;
2220struct curcur {
2221 int parenfloor; /* how far back to strip paren data */
2222 int cur; /* how many instances of scan we've matched */
2223 int min; /* the minimal number of scans to match */
2224 int max; /* the maximal number of scans to match */
2225 int minmod; /* whether to work our way up or down */
2226 regnode * scan; /* the thing to match */
2227 regnode * next; /* what has to match after it */
2228 char * lastloc; /* where we started matching this scan */
2229 CURCUR * oldcc; /* current curly before we started this one */
2230};
2231
2232typedef struct _sublex_info SUBLEXINFO;
2233struct _sublex_info {
2234 I32 super_state; /* lexer state to save */
2235 I32 sub_inwhat; /* "lex_inwhat" to use */
2236 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2237 char *super_bufptr; /* PL_bufptr that was */
2238 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2239};
2240
455ece5e 2241typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2242
2c2d71f5 2243struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2244struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2245
2246typedef I32 CHECKPOINT;
76e3520e 2247
5f7fde29
GS
2248struct ptr_tbl_ent {
2249 struct ptr_tbl_ent* next;
2250 void* oldval;
2251 void* newval;
d18c6117
GS
2252};
2253
5f7fde29
GS
2254struct ptr_tbl {
2255 struct ptr_tbl_ent** tbl_ary;
2256 UV tbl_max;
2257 UV tbl_items;
d18c6117
GS
2258};
2259
450a55e4 2260#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2261# define I286
2262#endif
2263
fe14fcc3
LW
2264#if defined(htonl) && !defined(HAS_HTONL)
2265#define HAS_HTONL
ae986130 2266#endif
fe14fcc3
LW
2267#if defined(htons) && !defined(HAS_HTONS)
2268#define HAS_HTONS
ae986130 2269#endif
fe14fcc3
LW
2270#if defined(ntohl) && !defined(HAS_NTOHL)
2271#define HAS_NTOHL
ae986130 2272#endif
fe14fcc3
LW
2273#if defined(ntohs) && !defined(HAS_NTOHS)
2274#define HAS_NTOHS
ae986130 2275#endif
fe14fcc3 2276#ifndef HAS_HTONL
d9d8d8de 2277#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2278#define HAS_HTONS
2279#define HAS_HTONL
2280#define HAS_NTOHS
2281#define HAS_NTOHL
a687059c
LW
2282#define MYSWAP
2283#define htons my_swap
2284#define htonl my_htonl
2285#define ntohs my_swap
2286#define ntohl my_ntohl
2287#endif
2288#else
d9d8d8de 2289#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2290#undef HAS_HTONS
2291#undef HAS_HTONL
2292#undef HAS_NTOHS
2293#undef HAS_NTOHL
a687059c
LW
2294#endif
2295#endif
2296
988174c1
LW
2297/*
2298 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2299 * -DWS
2300 */
2301#if BYTEORDER != 0x1234
2302# define HAS_VTOHL
2303# define HAS_VTOHS
2304# define HAS_HTOVL
2305# define HAS_HTOVS
c67712b2 2306# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2307# define vtohl(x) ((((x)&0xFF)<<24) \
2308 +(((x)>>24)&0xFF) \
2309 +(((x)&0x0000FF00)<<8) \
2310 +(((x)&0x00FF0000)>>8) )
2311# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2312# define htovl(x) vtohl(x)
2313# define htovs(x) vtohs(x)
2314# endif
2315 /* otherwise default to functions in util.c */
2a8c3029 2316#ifndef htovs
c623ac67
GS
2317short htovs(short n);
2318short vtohs(short n);
2319long htovl(long n);
2320long vtohl(long n);
988174c1 2321#endif
2a8c3029 2322#endif
988174c1 2323
3bb7c1b4
JH
2324/* *MAX Plus 1. A floating point value.
2325 Hopefully expressed in a way that dodgy floating point can't mess up.
2326 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2327 is added to it
2328 May find that some broken compiler will want the value cast to I32.
2329 [after the shift, as signed >> may not be as secure as unsigned >>]
2330*/
2331#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2332#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2333/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2334 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2335 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2336*/
2337#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2338
3bb7c1b4
JH
2339#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2340#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2341#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2342
2343/* This may look like unnecessary jumping through hoops, but converting
2344 out of range floating point values to integers *is* undefined behaviour,
2345 and it is starting to bite.
2346*/
2347#ifndef CAST_INLINE
65202027 2348#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2349#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
2350#define I_V(what) (cast_iv((NV)(what)))
2351#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
2352#else
2353#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2354 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2355 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2356#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2357 : ((n) < U32_MAX_P1 ? (U32) (n) \
2358 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2359#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2360 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2361 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2362#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2363 : ((n) < UV_MAX_P1 ? (UV) (n) \
2364 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2365#endif
2366
2367#define U_S(what) ((U16)U_32(what))
2368#define U_I(what) ((unsigned int)U_32(what))
2369#define U_L(what) U_32(what)
ed6116ce 2370
2d4389e4
JH
2371/* These do not care about the fractional part, only about the range. */
2372#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2373#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2374
25da4f38
IZ
2375/* Used with UV/IV arguments: */
2376 /* XXXX: need to speed it up */
2377#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2378#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2379
352d5a3a
LW
2380#ifndef MAXSYSFD
2381# define MAXSYSFD 2
2382#endif
ee0007ab 2383
79072805 2384#ifndef __cplusplus
e1caacb4 2385#ifndef UNDER_CE
20ce7b12
GS
2386Uid_t getuid (void);
2387Uid_t geteuid (void);
2388Gid_t getgid (void);
2389Gid_t getegid (void);
79072805 2390#endif
e1caacb4 2391#endif
8d063cd8 2392
0c30d9ec 2393#ifndef Perl_debug_log
bf49b057
GS
2394# define Perl_debug_log PerlIO_stderr()
2395#endif
2396
2397#ifndef Perl_error_log
2398# define Perl_error_log (PL_stderrgv \
6b78add2 2399 && isGV(PL_stderrgv) \
01bb7c6d 2400 && GvIOp(PL_stderrgv) \
42de951c 2401 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
2402 ? IoOFP(GvIOp(PL_stderrgv)) \
2403 : PerlIO_stderr())
0c30d9ec 2404#endif
3967c732 2405
aea4f609
DM
2406
2407#define DEBUG_p_FLAG 0x00000001 /* 1 */
2408#define DEBUG_s_FLAG 0x00000002 /* 2 */
2409#define DEBUG_l_FLAG 0x00000004 /* 4 */
2410#define DEBUG_t_FLAG 0x00000008 /* 8 */
2411#define DEBUG_o_FLAG 0x00000010 /* 16 */
2412#define DEBUG_c_FLAG 0x00000020 /* 32 */
2413#define DEBUG_P_FLAG 0x00000040 /* 64 */
2414#define DEBUG_m_FLAG 0x00000080 /* 128 */
2415#define DEBUG_f_FLAG 0x00000100 /* 256 */
2416#define DEBUG_r_FLAG 0x00000200 /* 512 */
2417#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2418#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2419#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2420#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2421#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2422#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2423#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2424#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2425#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a
IZ
2426#define DEBUG_J_FLAG 0x00080000 /* 524288 */
2427#define DEBUG_MASK 0x000FFFFF /* mask of all the standard flags */
aea4f609
DM
2428
2429#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
2430#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2431 that something was done? */
aea4f609 2432
bd16a5f0
IZ
2433# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2434# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2435# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2436# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2437# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2438# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2439# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2440# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2441# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2442# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2443# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2444# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
2445# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
2446# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2447# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2448# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2449# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2450# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2451# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2452# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
bd16a5f0 2453
3967c732 2454#ifdef DEBUGGING
aea4f609
DM
2455
2456# undef YYDEBUG
2457# define YYDEBUG 1
2458
bd16a5f0
IZ
2459# define DEBUG_p_TEST DEBUG_p_TEST_
2460# define DEBUG_s_TEST DEBUG_s_TEST_
2461# define DEBUG_l_TEST DEBUG_l_TEST_
2462# define DEBUG_t_TEST DEBUG_t_TEST_
2463# define DEBUG_o_TEST DEBUG_o_TEST_
2464# define DEBUG_c_TEST DEBUG_c_TEST_
2465# define DEBUG_P_TEST DEBUG_P_TEST_
2466# define DEBUG_m_TEST DEBUG_m_TEST_
2467# define DEBUG_f_TEST DEBUG_f_TEST_
2468# define DEBUG_r_TEST DEBUG_r_TEST_
2469# define DEBUG_x_TEST DEBUG_x_TEST_
2470# define DEBUG_u_TEST DEBUG_u_TEST_
2471# define DEBUG_L_TEST DEBUG_L_TEST_
2472# define DEBUG_H_TEST DEBUG_H_TEST_
2473# define DEBUG_X_TEST DEBUG_X_TEST_
2474# define DEBUG_D_TEST DEBUG_D_TEST_
2475# define DEBUG_S_TEST DEBUG_S_TEST_
2476# define DEBUG_T_TEST DEBUG_T_TEST_
2477# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2478# define DEBUG_J_TEST DEBUG_J_TEST_
aea4f609
DM
2479
2480# define DEB(a) a
2481# define DEBUG(a) if (PL_debug) a
2482# define DEBUG_p(a) if (DEBUG_p_TEST) a
2483# define DEBUG_s(a) if (DEBUG_s_TEST) a
2484# define DEBUG_l(a) if (DEBUG_l_TEST) a
2485# define DEBUG_t(a) if (DEBUG_t_TEST) a
2486# define DEBUG_o(a) if (DEBUG_o_TEST) a
2487# define DEBUG_c(a) if (DEBUG_c_TEST) a
2488# define DEBUG_P(a) if (DEBUG_P_TEST) a
2489
969058bb
VK
2490 /* Temporarily turn off memory debugging in case the a
2491 * does memory allocation, either directly or indirectly. */
acfe0abc 2492# define DEBUG_m(a) \
0b250b9e 2493 STMT_START { \
aea4f609 2494 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2495 } STMT_END
aea4f609 2496
5f80b19c
AMS
2497# define DEBUG__(t, a) \
2498 STMT_START { \
2499 if (t) STMT_START {a;} STMT_END; \
2500 } STMT_END
2501
2502# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2503# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2504# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2505# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2506# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2507# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2508# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2509# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2510
4d1ff10f 2511# ifdef USE_5005THREADS
5f80b19c 2512# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ
2513# else
2514# define DEBUG_S(a)
2515# endif
aea4f609 2516
5f80b19c
AMS
2517# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2518# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
aea4f609
DM
2519
2520#else /* DEBUGGING */
2521
2522# define DEBUG_p_TEST (0)
2523# define DEBUG_s_TEST (0)
2524# define DEBUG_l_TEST (0)
2525# define DEBUG_t_TEST (0)
2526# define DEBUG_o_TEST (0)
2527# define DEBUG_c_TEST (0)
2528# define DEBUG_P_TEST (0)
2529# define DEBUG_m_TEST (0)
2530# define DEBUG_f_TEST (0)
2531# define DEBUG_r_TEST (0)
2532# define DEBUG_x_TEST (0)
2533# define DEBUG_u_TEST (0)
2534# define DEBUG_L_TEST (0)
2535# define DEBUG_H_TEST (0)
2536# define DEBUG_X_TEST (0)
2537# define DEBUG_D_TEST (0)
2538# define DEBUG_S_TEST (0)
2539# define DEBUG_T_TEST (0)
04932ac8 2540# define DEBUG_R_TEST (0)
1045810a 2541# define DEBUG_J_TEST (0)
aea4f609
DM
2542
2543# define DEB(a)
2544# define DEBUG(a)
2545# define DEBUG_p(a)
2546# define DEBUG_s(a)
2547# define DEBUG_l(a)
2548# define DEBUG_t(a)
2549# define DEBUG_o(a)
2550# define DEBUG_c(a)
2551# define DEBUG_P(a)
2552# define DEBUG_m(a)
2553# define DEBUG_f(a)
2554# define DEBUG_r(a)
2555# define DEBUG_x(a)
2556# define DEBUG_u(a)
2557# define DEBUG_L(a)
2558# define DEBUG_H(a)
2559# define DEBUG_X(a)
2560# define DEBUG_D(a)
2561# define DEBUG_S(a)
2562# define DEBUG_T(a)
04932ac8 2563# define DEBUG_R(a)
aea4f609
DM
2564#endif /* DEBUGGING */
2565
2566
d1be9408 2567/* These constants should be used in preference to raw characters
14befaf4
DM
2568 * when using magic. Note that some perl guts still assume
2569 * certain character properties of these constants, namely that
2570 * isUPPER() and toLOWER() may do useful mappings.
2571 *
2572 * Update the magic_names table in dump.c when adding/amending these
2573 */
2574
2575#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2576#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2577#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2578#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2579#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2580#define PERL_MAGIC_regdata 'D' /* Regex match position data
2581 (@+ and @- vars) */
2582#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2583#define PERL_MAGIC_env 'E' /* %ENV hash */
2584#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2585#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2586#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2587#define PERL_MAGIC_isa 'I' /* @ISA array */
2588#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2589#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2590#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2591#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
2592#define PERL_MAGIC_mutex 'm' /* for lock op */
2593#define PERL_MAGIC_shared 'N' /* Shared between threads */
2594#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
2595#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2596#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2597#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2598#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2599#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2600#define PERL_MAGIC_sig 'S' /* %SIG hash */
2601#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2602#define PERL_MAGIC_taint 't' /* Taintedness */
2603#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2604#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4
DM
2605#define PERL_MAGIC_vec 'v' /* vec() lvalue */
2606#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2607#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2608 smart parameter vivification */
2609#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2610#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2611#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2612#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM
2613#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2614
2615
fe14fcc3 2616#define YYMAXDEPTH 300
8d063cd8 2617
a6e633de 2618#ifndef assert /* <assert.h> might have been included somehow */
a446a88f
NIS
2619#ifdef DEBUGGING
2620#define assert(what) DEB( { \
2621 if (!(what)) { \
2622 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2623 __FILE__, __LINE__); \
2624 PerlProc_exit(1); \
2625 }})
2626#else
79072805
LW
2627#define assert(what) DEB( { \
2628 if (!(what)) { \
cea2e8a9 2629 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2630 __FILE__, __LINE__); \
cea2e8a9 2631 PerlProc_exit(1); \
79072805 2632 }})
a6e633de 2633#endif
a446a88f 2634#endif
8d063cd8 2635
450a55e4 2636struct ufuncs {
24f81a43
DM
2637 I32 (*uf_val)(pTHX_ IV, SV*);
2638 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2639 IV uf_index;
450a55e4
LW
2640};
2641
14befaf4 2642/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
2643 * XS code wanting to be backward compatible can do something
2644 * like the following:
c745e42c 2645
24f81a43 2646#ifndef PERL_MG_UFUNC
24f81a43
DM
2647#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2648#endif
2649
2650static PERL_MG_UFUNC(foo_get, index, val)
2651{
2652 sv_setsv(val, ...);
2653 return TRUE;
2654}
2655
2656-- Doug MacEachern
2657
2658*/
2659
fc9c74e6 2660#ifndef PERL_MG_UFUNC
24f81a43 2661#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2662#endif
24f81a43 2663
fe14fcc3 2664/* Fix these up for __STDC__ */
68dc0745 2665#ifndef DONT_DECLARE_STD
20ce7b12 2666char *mktemp (char*);
37bd1396 2667#ifndef atof
20ce7b12 2668double atof (const char*);
a0d0e21e 2669#endif
37bd1396 2670#endif
79072805 2671
352d5a3a 2672#ifndef STANDARD_C
fe14fcc3 2673/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2674Time_t time();
8d063cd8 2675struct tm *gmtime(), *localtime();
092bebab 2676#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
2677char *(strchr)(), *(strrchr)();
2678char *(strcpy)(), *(strcat)();
2679#else
93a17b20 2680char *strchr(), *strrchr();
378cc40b 2681char *strcpy(), *strcat();
9d116dd7 2682#endif
352d5a3a 2683#endif /* ! STANDARD_C */
8d063cd8 2684
79072805
LW
2685
2686#ifdef I_MATH
2687# include <math.h>
2688#else
32f822de 2689START_EXTERN_C
20ce7b12
GS
2690 double exp (double);
2691 double log (double);
2692 double log10 (double);
2693 double sqrt (double);
2694 double frexp (double,int*);
2695 double ldexp (double,int);
2696 double modf (double,double*);
2697 double sin (double);
2698 double cos (double);
2699 double atan2 (double,double);
2700 double pow (double,double);
32f822de 2701END_EXTERN_C
79072805
LW
2702#endif
2703
aa8b85de
JH
2704#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2705# define NV_INF LDBL_INFINITY
2706#endif
2707#if !defined(NV_INF) && defined(DBL_INFINITY)
2708# define NV_INF (NV)DBL_INFINITY
2709#endif
2710#if !defined(NV_INF) && defined(INFINITY)
2711# define NV_INF (NV)INFINITY
2712#endif
2713#if !defined(NV_INF) && defined(INF)
2714# define NV_INF (NV)INF
2715#endif
2716#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2717# define NV_INF (NV)HUGE_VALL
2718#endif
2719#if !defined(NV_INF) && defined(HUGE_VAL)
2720# define NV_INF (NV)HUGE_VAL
2721#endif
2722
2723#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2724# if !defined(NV_NAN) && defined(LDBL_NAN)
2725# define NV_NAN LDBL_NAN
2726# endif
2727# if !defined(NV_NAN) && defined(LDBL_QNAN)
2728# define NV_NAN LDBL_QNAN
2729# endif
2730# if !defined(NV_NAN) && defined(LDBL_SNAN)
2731# define NV_NAN LDBL_SNAN
2732# endif
2733#endif
2734#if !defined(NV_NAN) && defined(DBL_NAN)
2735# define NV_NAN (NV)DBL_NAN
2736#endif
2737#if !defined(NV_NAN) && defined(DBL_QNAN)
2738# define NV_NAN (NV)DBL_QNAN
2739#endif
2740#if !defined(NV_NAN) && defined(DBL_SNAN)
2741# define NV_NAN (NV)DBL_SNAN
2742#endif
2743#if !defined(NV_NAN) && defined(QNAN)
2744# define NV_NAN (NV)QNAN
2745#endif
2746#if !defined(NV_NAN) && defined(SNAN)
2747# define NV_NAN (NV)SNAN
2748#endif
2749#if !defined(NV_NAN) && defined(NAN)
2750# define NV_NAN (NV)NAN
2751#endif
2752
a0d0e21e 2753#ifndef __cplusplus
8f1f23e8 2754# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2755char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2756# else
fd8cd3a3 2757# if !defined(WIN32) && !defined(VMS)
10bc17b6 2758#ifndef crypt
20ce7b12 2759char *crypt (const char*, const char*);
10bc17b6 2760#endif
5014db98 2761# endif /* !WIN32 */
8f1f23e8 2762# endif /* !NeXT && !__NeXT__ */
26618a56
GS
2763# ifndef DONT_DECLARE_STD
2764# ifndef getenv
20ce7b12 2765char *getenv (const char*);
26618a56 2766# endif /* !getenv */
28ca6303 2767# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2768# ifdef _FILE_OFFSET_BITS
28ca6303 2769# if _FILE_OFFSET_BITS == 64
20ce7b12 2770Off_t lseek (int,Off_t,int);
0fc67700
JH
2771# endif
2772# endif
bf0c440f 2773# endif
26618a56 2774# endif /* !DONT_DECLARE_STD */
10bc17b6 2775#ifndef getlogin
20ce7b12 2776char *getlogin (void);
10bc17b6 2777#endif
26618a56 2778#endif /* !__cplusplus */
79072805 2779
16d20bd9 2780#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2781#define UNLINK unlnk
20ce7b12 2782I32 unlnk (char*);
8d063cd8 2783#else
80252599 2784#define UNLINK PerlLIO_unlink
8d063cd8 2785#endif
a687059c 2786
fa0a29af
JH
2787/* some versions of glibc are missing the setresuid() proto */
2788#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
2789int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2790#endif
fa0a29af
JH
2791/* some versions of glibc are missing the setresgid() proto */
2792#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
2793int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2794#endif
2795
fe14fcc3 2796#ifndef HAS_SETREUID
85e6fe83
LW
2797# ifdef HAS_SETRESUID
2798# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2799# define HAS_SETREUID
2800# endif
a687059c 2801#endif
fe14fcc3 2802#ifndef HAS_SETREGID
85e6fe83
LW
2803# ifdef HAS_SETRESGID
2804# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2805# define HAS_SETREGID
2806# endif
a687059c 2807#endif
ee0007ab 2808
d543acb6 2809/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
2810
2811#ifdef HAS_SIGACTION
2812typedef struct sigaction Sigsave_t;
2813#else
2814typedef Sighandler_t Sigsave_t;
2815#endif
2816
ee0007ab
LW
2817#define SCAN_DEF 0
2818#define SCAN_TR 1
2819#define SCAN_REPL 2
79072805
LW
2820
2821#ifdef DEBUGGING
4633a7c4 2822# ifndef register
a0d0e21e
LW
2823# define register
2824# endif
2825# define PAD_SV(po) pad_sv(po)
cea2e8a9 2826# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2827#else
6b88bc9c 2828# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2829# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
2830#endif
2831
18f739ee 2832#ifdef MYMALLOC
772fe5b3 2833# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
2834# define MALLOC_INIT \
2835 STMT_START { \
2836 PL_malloc_mutex = NULL; \
2837 MUTEX_INIT(&PL_malloc_mutex); \
2838 } STMT_END
2839# define MALLOC_TERM \
2840 STMT_START { \
2841 perl_mutex tmp = PL_malloc_mutex; \
2842 PL_malloc_mutex = NULL; \
2843 MUTEX_DESTROY(&tmp); \
2844 } STMT_END
2845# else
2846# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2847# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2848# endif
18f739ee
IZ
2849#else
2850# define MALLOC_INIT
2851# define MALLOC_TERM
2852#endif
2853
b6d9d515 2854
0cb96387 2855typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2856typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2857typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2858typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2859
940cb80d 2860/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2861#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2862
8f1f23e8
W
2863/* NeXT has problems with crt0.o globals */
2864#if defined(__DYNAMIC__) && \
2865 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2866# if defined(NeXT) || defined(__NeXT)
2867# include <mach-o/dyld.h>
2868# define environ (*environ_pointer)
0c30d9ec 2869EXT char *** environ_pointer;
8f1f23e8 2870# else
82cabb9e 2871# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W
2872# include <crt_externs.h> /* for the env array */
2873# define environ (*_NSGetEnviron())
2874# endif
0c30d9ec 2875# endif
8f1f23e8
W
2876#else
2877 /* VMS and some other platforms don't use the environ array */
13b6e58c 2878# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
2879# if !defined(DONT_DECLARE_STD) || \
2880 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2881 defined(__sgi) || \
d460ef45 2882 defined(__DGUX)
8f1f23e8 2883extern char ** environ; /* environment variables supplied via exec */
a6c40364 2884# endif
8f1f23e8
W
2885# endif
2886#endif
79072805 2887
73c4f7a1
GS
2888START_EXTERN_C
2889
79072805 2890/* handy constants */
22c35a8c 2891EXTCONST char PL_warn_uninit[]
b89fed5f 2892 INIT("Use of uninitialized value%s%s");
22c35a8c 2893EXTCONST char PL_warn_nosemi[]
463ee0b2 2894 INIT("Semicolon seems to be missing");
22c35a8c 2895EXTCONST char PL_warn_reserved[]
463ee0b2 2896 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2897EXTCONST char PL_warn_nl[]
93a17b20 2898 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2899EXTCONST char PL_no_wrongref[]
a0d0e21e 2900 INIT("Can't use %s ref as %s ref");
22c35a8c 2901EXTCONST char PL_no_symref[]
748a9306 2902 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2903EXTCONST char PL_no_usym[]
8990e307 2904 INIT("Can't use an undefined value as %s reference");
22c35a8c 2905EXTCONST char PL_no_aelem[]
93a17b20 2906 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2907EXTCONST char PL_no_helem[]
93a17b20 2908 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2909EXTCONST char PL_no_modify[]
93a17b20 2910 INIT("Modification of a read-only value attempted");
22c35a8c 2911EXTCONST char PL_no_mem[]
93a17b20 2912 INIT("Out of memory!\n");
22c35a8c 2913EXTCONST char PL_no_security[]
463ee0b2 2914 INIT("Insecure dependency in %s%s");
22c35a8c 2915EXTCONST char PL_no_sock_func[]
93a17b20 2916 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2917EXTCONST char PL_no_dir_func[]
93a17b20 2918 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2919EXTCONST char PL_no_func[]
93a17b20 2920 INIT("The %s function is unimplemented");
22c35a8c 2921EXTCONST char PL_no_myglob[]
748a9306 2922 INIT("\"my\" variable %s can't be in a package");
93a17b20 2923
7575fa06 2924EXTCONST char PL_uuemap[65]
80252599
GS
2925 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2926
2927
79072805 2928#ifdef DOINIT
22c35a8c
GS
2929EXT char *PL_sig_name[] = { SIG_NAME };
2930EXT int PL_sig_num[] = { SIG_NUM };
79072805 2931#else
22c35a8c
GS
2932EXT char *PL_sig_name[];
2933EXT int PL_sig_num[];
79072805
LW
2934#endif
2935
3bd709b1 2936/* fast conversion and case folding tables */
bbce6d69 2937
79072805 2938#ifdef DOINIT
9d116dd7 2939#ifdef EBCDIC
22c35a8c 2940EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
2941 0, 1, 2, 3, 4, 5, 6, 7,
2942 8, 9, 10, 11, 12, 13, 14, 15,
2943 16, 17, 18, 19, 20, 21, 22, 23,
2944 24, 25, 26, 27, 28, 29, 30, 31,
2945 32, 33, 34, 35, 36, 37, 38, 39,
2946 40, 41, 42, 43, 44, 45, 46, 47,
2947 48, 49, 50, 51, 52, 53, 54, 55,
2948 56, 57, 58, 59, 60, 61, 62, 63,
2949 64, 65, 66, 67, 68, 69, 70, 71,
2950 72, 73, 74, 75, 76, 77, 78, 79,
2951 80, 81, 82, 83, 84, 85, 86, 87,
2952 88, 89, 90, 91, 92, 93, 94, 95,
2953 96, 97, 98, 99, 100, 101, 102, 103,
2954 104, 105, 106, 107, 108, 109, 110, 111,
2955 112, 113, 114, 115, 116, 117, 118, 119,
2956 120, 121, 122, 123, 124, 125, 126, 127,
2957 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2958 'H', 'I', 138, 139, 140, 141, 142, 143,
2959 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2960 'Q', 'R', 154, 155, 156, 157, 158, 159,
2961 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2962 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2963 176, 177, 178, 179, 180, 181, 182, 183,
2964 184, 185, 186, 187, 188, 189, 190, 191,
2965 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2966 'h', 'i', 202, 203, 204, 205, 206, 207,
2967 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2968 'q', 'r', 218, 219, 220, 221, 222, 223,
2969 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2970 'y', 'z', 234, 235, 236, 237, 238, 239,
2971 240, 241, 242, 243, 244, 245, 246, 247,
2972 248, 249, 250, 251, 252, 253, 254, 255
2973};
2974#else /* ascii rather than ebcdic */
22c35a8c 2975EXTCONST unsigned char PL_fold[] = {
79072805
LW
2976 0, 1, 2, 3, 4, 5, 6, 7,
2977 8, 9, 10, 11, 12, 13, 14, 15,
2978 16, 17, 18, 19, 20, 21, 22, 23,
2979 24, 25, 26, 27, 28, 29, 30, 31,
2980 32, 33, 34, 35, 36, 37, 38, 39,
2981 40, 41, 42, 43, 44, 45, 46, 47,
2982 48, 49, 50, 51, 52, 53, 54, 55,
2983 56, 57, 58, 59, 60, 61, 62, 63,
2984 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2985 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2986 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2987 'x', 'y', 'z', 91, 92, 93, 94, 95,
2988 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2989 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2990 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2991 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2992 128, 129, 130, 131, 132, 133, 134, 135,
2993 136, 137, 138, 139, 140, 141, 142, 143,
2994 144, 145, 146, 147, 148, 149, 150, 151,
2995 152, 153, 154, 155, 156, 157, 158, 159,
2996 160, 161, 162, 163, 164, 165, 166, 167,
2997 168, 169, 170, 171, 172, 173, 174, 175,
2998 176, 177, 178, 179, 180, 181, 182, 183,
2999 184, 185, 186, 187, 188, 189, 190, 191,
3000 192, 193, 194, 195, 196, 197, 198, 199,
3001 200, 201, 202, 203, 204, 205, 206, 207,
3002 208, 209, 210, 211, 212, 213, 214, 215,
3003 216, 217, 218, 219, 220, 221, 222, 223,
3004 224, 225, 226, 227, 228, 229, 230, 231,
3005 232, 233, 234, 235, 236, 237, 238, 239,
3006 240, 241, 242, 243, 244, 245, 246, 247,
3007 248, 249, 250, 251, 252, 253, 254, 255
3008};
9d116dd7 3009#endif /* !EBCDIC */
79072805 3010#else
22c35a8c 3011EXTCONST unsigned char PL_fold[];
79072805
LW
3012#endif
3013
3014#ifdef DOINIT
22c35a8c 3015EXT unsigned char PL_fold_locale[] = {
79072805
LW
3016 0, 1, 2, 3, 4, 5, 6, 7,
3017 8, 9, 10, 11, 12, 13, 14, 15,
3018 16, 17, 18, 19, 20, 21, 22, 23,
3019 24, 25, 26, 27, 28, 29, 30, 31,
3020 32, 33, 34, 35, 36, 37, 38, 39,
3021 40, 41, 42, 43, 44, 45, 46, 47,
3022 48, 49, 50, 51, 52, 53, 54, 55,
3023 56, 57, 58, 59, 60, 61, 62, 63,
3024 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3025 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3026 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3027 'x', 'y', 'z', 91, 92, 93, 94, 95,
3028 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3029 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3030 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3031 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3032 128, 129, 130, 131, 132, 133, 134, 135,
3033 136, 137, 138, 139, 140, 141, 142, 143,
3034 144, 145, 146, 147, 148, 149, 150, 151,
3035 152, 153, 154, 155, 156, 157, 158, 159,
3036 160, 161, 162, 163, 164, 165, 166, 167,
3037 168, 169, 170, 171, 172, 173, 174, 175,
3038 176, 177, 178, 179, 180, 181, 182, 183,
3039 184, 185, 186, 187, 188, 189, 190, 191,
3040 192, 193, 194, 195, 196, 197, 198, 199,
3041 200, 201, 202, 203, 204, 205, 206, 207,
3042 208, 209, 210, 211, 212, 213, 214, 215,
3043 216, 217, 218, 219, 220, 221, 222, 223,
3044 224, 225, 226, 227, 228, 229, 230, 231,
3045 232, 233, 234, 235, 236, 237, 238, 239,
3046 240, 241, 242, 243, 244, 245, 246, 247,
3047 248, 249, 250, 251, 252, 253, 254, 255
3048};
3049#else
22c35a8c 3050EXT unsigned char PL_fold_locale[];
79072805
LW
3051#endif
3052
3053#ifdef DOINIT
9d116dd7 3054#ifdef EBCDIC
22c35a8c 3055EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
3056 1, 2, 84, 151, 154, 155, 156, 157,
3057 165, 246, 250, 3, 158, 7, 18, 29,
3058 40, 51, 62, 73, 85, 96, 107, 118,
3059 129, 140, 147, 148, 149, 150, 152, 153,
3060 255, 6, 8, 9, 10, 11, 12, 13,
3061 14, 15, 24, 25, 26, 27, 28, 226,
3062 29, 30, 31, 32, 33, 43, 44, 45,
3063 46, 47, 48, 49, 50, 76, 77, 78,
3064 79, 80, 81, 82, 83, 84, 85, 86,
3065 87, 94, 95, 234, 181, 233, 187, 190,
3066 180, 96, 97, 98, 99, 100, 101, 102,
3067 104, 112, 182, 174, 236, 232, 229, 103,
3068 228, 226, 114, 115, 116, 117, 118, 119,
3069 120, 121, 122, 235, 176, 230, 194, 162,
3070 130, 131, 132, 133, 134, 135, 136, 137,
3071 138, 139, 201, 205, 163, 217, 220, 224,
3072 5, 248, 227, 244, 242, 255, 241, 231,
3073 240, 253, 16, 197, 19, 20, 21, 187,
3074 23, 169, 210, 245, 237, 249, 247, 239,
3075 168, 252, 34, 196, 36, 37, 38, 39,
3076 41, 42, 251, 254, 238, 223, 221, 213,
3077 225, 177, 52, 53, 54, 55, 56, 57,
3078 58, 59, 60, 61, 63, 64, 65, 66,
3079 67, 68, 69, 70, 71, 72, 74, 75,
3080 205, 208, 186, 202, 200, 218, 198, 179,
3081 178, 214, 88, 89, 90, 91, 92, 93,
3082 217, 166, 170, 207, 199, 209, 206, 204,
3083 160, 212, 105, 106, 108, 109, 110, 111,
3084 203, 113, 216, 215, 192, 175, 193, 243,
3085 172, 161, 123, 124, 125, 126, 127, 128,
3086 222, 219, 211, 195, 188, 193, 185, 184,
3087 191, 183, 141, 142, 143, 144, 145, 146
3088};
3089#else /* ascii rather than ebcdic */
22c35a8c 3090EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
3091 1, 2, 84, 151, 154, 155, 156, 157,
3092 165, 246, 250, 3, 158, 7, 18, 29,
3093 40, 51, 62, 73, 85, 96, 107, 118,
3094 129, 140, 147, 148, 149, 150, 152, 153,
3095 255, 182, 224, 205, 174, 176, 180, 217,
3096 233, 232, 236, 187, 235, 228, 234, 226,
3097 222, 219, 211, 195, 188, 193, 185, 184,
3098 191, 183, 201, 229, 181, 220, 194, 162,
3099 163, 208, 186, 202, 200, 218, 198, 179,
3100 178, 214, 166, 170, 207, 199, 209, 206,
3101 204, 160, 212, 216, 215, 192, 175, 173,
3102 243, 172, 161, 190, 203, 189, 164, 230,
3103 167, 248, 227, 244, 242, 255, 241, 231,
3104 240, 253, 169, 210, 245, 237, 249, 247,
3105 239, 168, 252, 251, 254, 238, 223, 221,
3106 213, 225, 177, 197, 171, 196, 159, 4,
3107 5, 6, 8, 9, 10, 11, 12, 13,
3108 14, 15, 16, 17, 19, 20, 21, 22,
3109 23, 24, 25, 26, 27, 28, 30, 31,
3110 32, 33, 34, 35, 36, 37, 38, 39,
3111 41, 42, 43, 44, 45, 46, 47, 48,
3112 49, 50, 52, 53, 54, 55, 56, 57,
3113 58, 59, 60, 61, 63, 64, 65, 66,
3114 67, 68, 69, 70, 71, 72, 74, 75,
3115 76, 77, 78, 79, 80, 81, 82, 83,
3116 86, 87, 88, 89, 90, 91, 92, 93,
3117 94, 95, 97, 98, 99, 100, 101, 102,
3118 103, 104, 105, 106, 108, 109, 110, 111,
3119 112, 113, 114, 115, 116, 117, 119, 120,
3120 121, 122, 123, 124, 125, 126, 127, 128,
3121 130, 131, 132, 133, 134, 135, 136, 137,
3122 138, 139, 141, 142, 143, 144, 145, 146
3123};
9d116dd7 3124#endif
79072805 3125#else
22c35a8c 3126EXTCONST unsigned char PL_freq[];
79072805
LW
3127#endif
3128
8990e307
LW
3129#ifdef DEBUGGING
3130#ifdef DOINIT
22c35a8c 3131EXTCONST char* PL_block_type[] = {
8990e307
LW
3132 "NULL",
3133 "SUB",
3134 "EVAL",
3135 "LOOP",
3136 "SUBST",
3137 "BLOCK",
3138};
3139#else
22c35a8c 3140EXTCONST char* PL_block_type[];
8990e307
LW
3141#endif
3142#endif
3143
73c4f7a1
GS
3144END_EXTERN_C
3145
79072805
LW
3146/*****************************************************************************/
3147/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3148/*****************************************************************************/
8990e307 3149/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3150
a0d0e21e
LW
3151#include "perly.h"
3152
fb73857a
PP
3153#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3154
79072805
LW
3155typedef enum {
3156 XOPERATOR,
3157 XTERM,
79072805 3158 XREF,
8990e307 3159 XSTATE,
a0d0e21e 3160 XBLOCK,
09bef843
SB
3161 XATTRBLOCK,
3162 XATTRTERM,
a0d0e21e 3163 XTERMBLOCK
79072805
LW
3164} expectation;
3165
dc9e4912
GS
3166enum { /* pass one of these to get_vtbl */
3167 want_vtbl_sv,
3168 want_vtbl_env,
3169 want_vtbl_envelem,
3170 want_vtbl_sig,
3171 want_vtbl_sigelem,
3172 want_vtbl_pack,
3173 want_vtbl_packelem,
3174 want_vtbl_dbline,
3175 want_vtbl_isa,
3176 want_vtbl_isaelem,
3177 want_vtbl_arylen,
3178 want_vtbl_glob,
3179 want_vtbl_mglob,
3180 want_vtbl_nkeys,
3181 want_vtbl_taint,
3182 want_vtbl_substr,
3183 want_vtbl_vec,
3184 want_vtbl_pos,
3185 want_vtbl_bm,
3186 want_vtbl_fm,
3187 want_vtbl_uvar,
3188 want_vtbl_defelem,
3189 want_vtbl_regexp,
3190 want_vtbl_collxfrm,
3191 want_vtbl_amagic,
3192 want_vtbl_amagicelem,
4d1ff10f 3193#ifdef USE_5005THREADS
dc9e4912
GS
3194 want_vtbl_mutex,
3195#endif
3196 want_vtbl_regdata,
810b8aa5
GS
3197 want_vtbl_regdatum,
3198 want_vtbl_backref
dc9e4912
GS
3199};
3200
85e6fe83
LW
3201 /* Note: the lowest 8 bits are reserved for
3202 stuffing into op->op_private */
f3aa04c2 3203#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW
3204#define HINT_INTEGER 0x00000001
3205#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH
3206#define HINT_LOCALE 0x00000004
3207#define HINT_BYTES 0x00000008
393fec97 3208/* #define HINT_notused10 0x00000010 */
a0ed51b3 3209 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW
3210
3211#define HINT_BLOCK_SCOPE 0x00000100
3212#define HINT_STRICT_SUBS 0x00000200
3213#define HINT_STRICT_VARS 0x00000400
3214
b3ac6de7
IZ
3215#define HINT_NEW_INTEGER 0x00001000
3216#define HINT_NEW_FLOAT 0x00002000
3217#define HINT_NEW_BINARY 0x00004000
3218#define HINT_NEW_STRING 0x00008000
3219#define HINT_NEW_RE 0x00010000
3220#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3221
b3eb6a9b 3222#define HINT_RE_TAINT 0x00100000
e4d48cc9 3223#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3224
5ff3f7a4 3225#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3226#define HINT_UTF8 0x00800000
5ff3f7a4 3227
84d4ea48
JH
3228#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3229#define HINT_SORT_QUICKSORT 0x00000001
3230#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3231#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3232
8bfdd7d9 3233/* Various states of the input record separator SV (rs) */
d4cce5f1 3234#define RsSNARF(sv) (! SvOK(sv))
af7d13df
G
3235#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3236#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3237#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3238
128e8167 3239/* A struct for keeping various DEBUGGING related stuff,
ce333219 3240 * neatly packed. Currently only scratch variables for
128e8167
JH
3241 * constructing debug output are included. Needed always,
3242 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH
3243struct perl_debug_pad {
3244 SV pad[3];
3245};
3246
3247#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3248#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3249
56953603 3250/* Enable variables which are pointers to functions */
a2efc822 3251typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS
3252typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3253typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3254 char* strend, char* strbeg, I32 minend,
3255 SV* screamer, void* data, U32 flags);
f722798b
IZ
3256typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3257 char *strpos, char *strend,
3258 U32 flags,
3259 struct re_scream_pos_data_s *d);
3260typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3261typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3262
c76ac1ee 3263typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS
3264typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3265typedef void (*SVFUNC_t) (pTHX_ SV*);
3266typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3267typedef void (*XSINIT_t) (pTHX);
3268typedef void (*ATEXIT_t) (pTHX_ void*);
3269typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3270
22239a37
NIS
3271/* Set up PERLVAR macros for populating structs */
3272#define PERLVAR(var,type) type var;
51371543 3273#define PERLVARA(var,n,type) type var[n];
22239a37 3274#define PERLVARI(var,type,init) type var;
3fe35a81 3275#define PERLVARIC(var,type,init) type var;
22239a37 3276
58a50f62
GS
3277/* Interpreter exitlist entry */
3278typedef struct exitlistentry {
acfe0abc 3279 void (*fn) (pTHX_ void*);
58a50f62
GS
3280 void *ptr;
3281} PerlExitListEntry;
3282
22239a37
NIS
3283#ifdef PERL_GLOBAL_STRUCT
3284struct perl_vars {
7766f137 3285# include "perlvars.h"
22239a37
NIS
3286};
3287
7766f137 3288# ifdef PERL_CORE
533c011a
NIS
3289EXT struct perl_vars PL_Vars;
3290EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS
3291# else /* PERL_CORE */
3292# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3293EXT
7766f137 3294# endif /* WIN32 */
533c011a 3295struct perl_vars *PL_VarsPtr;
7766f137
GS
3296# define PL_Vars (*((PL_VarsPtr) \
3297 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3298# endif /* PERL_CORE */
22239a37
NIS
3299#endif /* PERL_GLOBAL_STRUCT */
3300
acfe0abc 3301#if defined(MULTIPLICITY)
d460ef45 3302/* If we have multiple interpreters define a struct
d4cce5f1 3303 holding variables which must be per-interpreter
d460ef45 3304 If we don't have threads anything that would have
d4cce5f1
NIS
3305 be per-thread is per-interpreter.
3306*/
3307
79072805 3308struct interpreter {
4d1ff10f 3309# ifndef USE_5005THREADS
7766f137
GS
3310# include "thrdvar.h"
3311# endif
3312# include "intrpvar.h"
3313/*
3314 * The following is a buffer where new variables must
acfe0abc 3315 * be defined to maintain binary compatibility with previous versions
7766f137
GS
3316 */
3317PERLVARA(object_compatibility,30, char)
49f531da 3318};
d4cce5f1 3319
79072805 3320#else
49f531da
NIS
3321struct interpreter {
3322 char broiled;
3323};
acfe0abc 3324#endif /* MULTIPLICITY */
79072805 3325
4d1ff10f 3326#ifdef USE_5005THREADS
d4cce5f1
NIS
3327/* If we have threads define a struct with all the variables
3328 * that have to be per-thread
49f531da 3329 */
8023c3ce 3330
79072805 3331
49f531da 3332struct perl_thread {
49f531da 3333#include "thrdvar.h"
79072805 3334};
d4cce5f1 3335
22fae026
TM
3336typedef struct perl_thread *Thread;
3337
3338#else
3339typedef void *Thread;
22239a37
NIS
3340#endif
3341
3342/* Done with PERLVAR macros for now ... */
d4cce5f1 3343#undef PERLVAR
51371543 3344#undef PERLVARA
d4cce5f1 3345#undef PERLVARI
3fe35a81 3346#undef PERLVARIC
79072805 3347
22239a37 3348#include "thread.h"
79072805 3349#include "pp.h"
864dbfa3
GS
3350
3351#ifndef PERL_CALLCONV
3352# define PERL_CALLCONV
d460ef45 3353#endif
864dbfa3 3354
65f19062
GS
3355#ifndef NEXT30_NO_ATTRIBUTE
3356# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3357# ifdef __attribute__ /* Avoid possible redefinition errors */
3358# undef __attribute__
3359# endif
3360# define __attribute__(attr)
3361# endif
3362#endif
3363
0cb96387
GS
3364#undef PERL_CKDEF
3365#undef PERL_PPDEF
3366#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3367#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3368
7766f137 3369#include "proto.h"
864dbfa3 3370
0cb96387 3371/* this has structure inits, so it cannot be included before here */
acfe0abc 3372#include "opcode.h"
864dbfa3 3373
d4cce5f1
NIS
3374/* The following must follow proto.h as #defines mess up syntax */
3375
22c35a8c
GS
3376#if !defined(PERL_FOR_X2P)
3377# include "embedvar.h"
3378#endif
d4cce5f1 3379
d460ef45 3380/* Now include all the 'global' variables
d4cce5f1 3381 * If we don't have threads or multiple interpreters
d460ef45 3382 * these include variables that would have been their struct-s
d4cce5f1 3383 */
d460ef45 3384
533c011a 3385#define PERLVAR(var,type) EXT type PL_##var;
51371543 3386#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS
3387#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3388#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3389
acfe0abc 3390#if !defined(MULTIPLICITY)
7766f137 3391START_EXTERN_C
066ef5b5 3392# include "intrpvar.h"
4d1ff10f 3393# ifndef USE_5005THREADS
066ef5b5
GS
3394# include "thrdvar.h"
3395# endif
7766f137 3396END_EXTERN_C
22239a37
NIS
3397#endif
3398
acfe0abc 3399#if defined(WIN32)
66a93824 3400/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3401# include "embed.h"
acfe0abc 3402#endif
22239a37 3403
c5be433b
GS
3404#ifndef PERL_GLOBAL_STRUCT
3405START_EXTERN_C
3406
3407# include "perlvars.h"
3408
3409END_EXTERN_C
3410#endif
3411
d4cce5f1 3412#undef PERLVAR
51371543 3413#undef PERLVARA
d4cce5f1 3414#undef PERLVARI
0f3f18a6 3415#undef PERLVARIC
79072805 3416
73c4f7a1
GS
3417START_EXTERN_C
3418
79072805 3419#ifdef DOINIT
bbce6d69 3420
68795e93 3421EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS
3422 MEMBER_TO_FPTR(Perl_magic_set),
3423 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3424 0, 0};
2b260de0
GS
3425EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3426 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3427 0};
2b260de0
GS
3428EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3429 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3430 0};
22c35a8c 3431EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH
3432#ifdef PERL_MICRO
3433EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3434#else
2b260de0
GS
3435EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3436 MEMBER_TO_FPTR(Perl_magic_setsig),
3437 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3438 0};
64ca3a65 3439#endif
68795e93
NIS
3440EXT MGVTBL PL_vtbl_pack = {0, 0,
3441 MEMBER_TO_FPTR(Perl_magic_sizepack),
3442 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3443 0};
2b260de0 3444EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3445 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3446 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3447 0};
2b260de0 3448EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3449 0, 0, 0};
2b260de0
GS
3450EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3451 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3452 0};
2b260de0 3453EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3454 0, 0, 0};
2b260de0
GS
3455EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3456 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3457 0, 0, 0};
2b260de0
GS
3458EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3459 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3460 0, 0, 0};
2b260de0 3461EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3462 0, 0, 0};
2b260de0
GS
3463EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3464 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3465 0, 0, 0};
68795e93
NIS
3466EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3467 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3468 0, 0, 0};
68795e93
NIS
3469EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3470 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3471 0, 0, 0};
2b260de0 3472EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3473 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3474 0, 0, 0};
2b260de0
GS
3475EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3476 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3477 0, 0, 0};
2b260de0 3478EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3479 0, 0, 0};
2b260de0 3480EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3481 0, 0, 0};
2b260de0
GS
3482EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3483 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3484 0, 0, 0};
4d1ff10f 3485#ifdef USE_5005THREADS
68795e93
NIS
3486EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0,
3487 MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3488#endif /* USE_5005THREADS */
68795e93
NIS
3489EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3490 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3491 0, 0, 0};
a0d0e21e 3492
2b260de0
GS
3493EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3494EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG
3495EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3496 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3497
36477c24 3498#ifdef USE_LOCALE_COLLATE
22c35a8c 3499EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3500 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69
PP
3501 0, 0, 0};
3502#endif
a0d0e21e 3503
2b260de0
GS
3504EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3505 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3506EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3507 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3508
810b8aa5 3509EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3510 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3511
d460ef45
NIS
3512EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3513 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3514
bbce6d69
PP
3515#else /* !DOINIT */
3516
22c35a8c
GS
3517EXT MGVTBL PL_vtbl_sv;
3518EXT MGVTBL PL_vtbl_env;
3519EXT MGVTBL PL_vtbl_envelem;
3520EXT MGVTBL PL_vtbl_sig;
3521EXT MGVTBL PL_vtbl_sigelem;
3522EXT MGVTBL PL_vtbl_pack;
3523EXT MGVTBL PL_vtbl_packelem;
3524EXT MGVTBL PL_vtbl_dbline;
3525EXT MGVTBL PL_vtbl_isa;
3526EXT MGVTBL PL_vtbl_isaelem;
3527EXT MGVTBL PL_vtbl_arylen;
3528EXT MGVTBL PL_vtbl_glob;
3529EXT MGVTBL PL_vtbl_mglob;
3530EXT MGVTBL PL_vtbl_nkeys;
3531EXT MGVTBL PL_vtbl_taint;
3532EXT MGVTBL PL_vtbl_substr;
3533EXT MGVTBL PL_vtbl_vec;
3534EXT MGVTBL PL_vtbl_pos;
3535EXT MGVTBL PL_vtbl_bm;
3536EXT MGVTBL PL_vtbl_fm;
3537EXT MGVTBL PL_vtbl_uvar;
d460ef45 3538EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3539
4d1ff10f 3540#ifdef USE_5005THREADS
22c35a8c 3541EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3542#endif /* USE_5005THREADS */
f93b4edd 3543
22c35a8c
GS
3544EXT MGVTBL PL_vtbl_defelem;
3545EXT MGVTBL PL_vtbl_regexp;
3546EXT MGVTBL PL_vtbl_regdata;
3547EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3548
36477c24 3549#ifdef USE_LOCALE_COLLATE
22c35a8c 3550EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3551#endif
a0d0e21e 3552
22c35a8c
GS
3553EXT MGVTBL PL_vtbl_amagic;
3554EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3555
810b8aa5
GS
3556EXT MGVTBL PL_vtbl_backref;
3557
bbce6d69 3558#endif /* !DOINIT */
85e6fe83 3559
f5284f61
IZ
3560enum {
3561 fallback_amg, abs_amg,
3562 bool__amg, nomethod_amg,
3563 string_amg, numer_amg,
3564 add_amg, add_ass_amg,
3565 subtr_amg, subtr_ass_amg,
3566 mult_amg, mult_ass_amg,
3567 div_amg, div_ass_amg,
3568 modulo_amg, modulo_ass_amg,
3569 pow_amg, pow_ass_amg,
3570 lshift_amg, lshift_ass_amg,
3571 rshift_amg, rshift_ass_amg,
3572 band_amg, band_ass_amg,
3573 bor_amg, bor_ass_amg,
3574 bxor_amg, bxor_ass_amg,
3575 lt_amg, le_amg,
3576 gt_amg, ge_amg,
3577 eq_amg, ne_amg,
3578 ncmp_amg, scmp_amg,
3579 slt_amg, sle_amg,
3580 sgt_amg, sge_amg,
3581 seq_amg, sne_amg,
3582 not_amg, compl_amg,
3583 inc_amg, dec_amg,
3584 atan2_amg, cos_amg,
3585 sin_amg, exp_amg,
3586 log_amg, sqrt_amg,
3587 repeat_amg, repeat_ass_amg,
3588 concat_amg, concat_ass_amg,
3589 copy_amg, neg_amg,
3590 to_sv_amg, to_av_amg,
3591 to_hv_amg, to_gv_amg,
d460ef45 3592 to_cv_amg, iter_amg,
f216259d
IZ
3593 int_amg, DESTROY_amg,
3594 max_amg_code
64a0062a 3595 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ
3596};
3597
3598#define NofAMmeth max_amg_code
89ffc314 3599#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3600
a0d0e21e 3601#ifdef DOINIT
22c35a8c 3602EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ
3603 /* Names kept in the symbol table. fallback => "()", the rest has
3604 "(" prepended. The only other place in perl which knows about
3605 this convention is AMG_id2name (used for debugging output and
3606 'nomethod' only), the only other place which has it hardwired is
3607 overload.pm. */
3608 "()", "(abs", /* "fallback" should be the first. */
3609 "(bool", "(nomethod",
3610 "(\"\"", "(0+",
3611 "(+", "(+=",
3612 "(-", "(-=",
3613 "(*", "(*=",
3614 "(/", "(/=",
3615 "(%", "(%=",
3616 "(**", "(**=",
3617 "(<<", "(<<=",
3618 "(>>", "(>>=",
3619 "(&", "(&=",
3620 "(|", "(|=",
3621 "(^", "(^=",
3622 "(<", "(<=",
3623 "(>", "(>=",
3624 "(==", "(!=",
3625 "(<=>", "(cmp",
3626 "(lt", "(le",
3627 "(gt", "(ge",
3628 "(eq", "(ne",
3629 "(!", "(~",
3630 "(++", "(--",
3631 "(atan2", "(cos",
3632 "(sin", "(exp",
3633 "(log", "(sqrt",
3634 "(x", "(x=",
3635 "(.", "(.=",
3636 "(=", "(neg",
3637 "(${}", "(@{}",
3638 "(%{}", "(*{}",
3639 "(&{}", "(<>",
f216259d 3640 "(int", "DESTROY",
a0d0e21e
LW
3641};
3642#else
22c35a8c 3643EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW
3644#endif /* def INITAMAGIC */
3645
73c4f7a1
GS
3646END_EXTERN_C
3647
a6006777 3648struct am_table {
eb160463 3649 U32 was_ok_sub;
a0d0e21e 3650 long was_ok_am;
a6006777
PP
3651 U32 flags;
3652 CV* table[NofAMmeth];
a0d0e21e
LW
3653 long fallback;
3654};
a6006777 3655struct am_table_short {
eb160463 3656 U32 was_ok_sub;
a6006777
PP
3657 long was_ok_am;
3658 U32 flags;
3659};
a0d0e21e 3660typedef struct am_table AMT;
a6006777 3661typedef struct am_table_short AMTS;
a0d0e21e
LW
3662
3663#define AMGfallNEVER 1
3664#define AMGfallNO 2
3665#define AMGfallYES 3
3666
a6006777 3667#define AMTf_AMAGIC 1
32251b26 3668#define AMTf_OVERLOADED 2
a6006777
PP
3669#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3670#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3671#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ
3672#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3673#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3674#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3675
32251b26 3676#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH
3677
3678/*
3679 * some compilers like to redefine cos et alia as faster
3680 * (and less accurate?) versions called F_cos et cetera (Quidquid
3681 * latine dictum sit, altum viditur.) This trick collides with
3682 * the Perl overloading (amg). The following #defines fool both.
3683 */
3684
3685#ifdef _FASTMATH
3686# ifdef atan2
3687# define F_atan2_amg atan2_amg
3688# endif
3689# ifdef cos
3690# define F_cos_amg cos_amg
3691# endif
3692# ifdef exp
3693# define F_exp_amg exp_amg
3694# endif
3695# ifdef log
3696# define F_log_amg log_amg
3697# endif
3698# ifdef pow
3699# define F_pow_amg pow_amg
3700# endif
3701# ifdef sin
3702# define F_sin_amg sin_amg
3703# endif
3704# ifdef sqrt
3705# define F_sqrt_amg sqrt_amg
3706# endif
3707#endif /* _FASTMATH */
3708
83ee9e09
GS
3709#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3710 PERLDBf_NOOPT | PERLDBf_INTER | \
3711 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3712 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3713 /* No _NONAME, _GOTO */
3714#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3715#define PERLDBf_LINE 0x02 /* Keep line # */
3716#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3717#define PERLDBf_INTER 0x08 /* Preserve more data for
3718 later inspections */
3719#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3720#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3721#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3722#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3723#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3724#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3725
3280af22
NIS
3726#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3727#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3728#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3729#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3730#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3731#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3732#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3733#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS
3734#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3735#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3736
bbce6d69 3737
36477c24 3738#ifdef USE_LOCALE_NUMERIC
bbce6d69 3739
36477c24 3740#define SET_NUMERIC_STANDARD() \
ff4fed7c 3741 set_numeric_standard();
36477c24
PP
3742
3743#define SET_NUMERIC_LOCAL() \
ff4fed7c 3744 set_numeric_local();
bbce6d69 3745
2de3dbcc
JH
3746#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3747#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3748
3749#define IN_LOCALE \
3750 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3751
f93f4e46 3752#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3753 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3754 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK
3755
3756#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3757 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3758 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK
3759
3760#define RESTORE_NUMERIC_LOCAL() \
3761 if (was_local) SET_NUMERIC_LOCAL();
3762
3763#define RESTORE_NUMERIC_STANDARD() \