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a0d0e21e 1/* perl.h
a687059c 2 *
4c79ee7a 3 * Copyright (c) 1987-2003, 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
2c2d71f5
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39/* See L<perlguts/"The Perl API"> for detailed notes on
40 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
41
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42/* Note that from here --> to <-- the same logic is
43 * repeated in makedef.pl, so be certain to update
44 * both places when editing. */
45
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46#ifdef PERL_IMPLICIT_SYS
47/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
48 so use slab allocator to avoid lots of MUTEX overhead
49 */
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50# ifndef PL_OP_SLAB_ALLOC
51# define PL_OP_SLAB_ALLOC
ba979b31
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52# endif
53#endif
54
6f4183fe 55#ifdef USE_ITHREADS
acfe0abc 56# if !defined(MULTIPLICITY)
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57# define MULTIPLICITY
58# endif
59#endif
60
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61#if defined(MULTIPLICITY)
62# ifndef PERL_IMPLICIT_CONTEXT
63# define PERL_IMPLICIT_CONTEXT
64# endif
c5be433b
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65#endif
66
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67/* undef WIN32 when building on Cygwin (for libwin32) - gph */
68#ifdef __CYGWIN__
69# undef WIN32
70# undef _WIN32
71#endif
72
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73/* Use the reentrant APIs like localtime_r and getpwent_r */
74/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
9366f0ec 75#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(__APPLE__)
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76# define USE_REENTRANT_API
77#endif
78
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79/* <--- here ends the logic shared by perl.h and makedef.pl */
80
c5be433b 81#ifdef PERL_IMPLICIT_CONTEXT
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82# ifndef MULTIPLICITY
83# define MULTIPLICITY
c5be433b 84# endif
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85# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
86# define aTHX my_perl
87# define dTHXa(a) pTHX = (PerlInterpreter*)a
fd89de3a 88# define dTHX pTHX = PERL_GET_THX
c5be433b 89# define pTHX_ pTHX,
c5be433b 90# define aTHX_ aTHX,
894356b3
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91# define pTHX_1 2
92# define pTHX_2 3
93# define pTHX_3 4
94# define pTHX_4 5
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95#endif
96
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97#define STATIC static
98#define CPERLscope(x) x
565764a8 99#define CPERLarg void
76e3520e 100#define CPERLarg_
e3b8966e 101#define _CPERLarg
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102#define PERL_OBJECT_THIS
103#define _PERL_OBJECT_THIS
104#define PERL_OBJECT_THIS_
312caa8e 105#define CALL_FPTR(fptr) (*fptr)
76e3520e 106
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107#define CALLRUNOPS CALL_FPTR(PL_runops)
108#define CALLREGCOMP CALL_FPTR(PL_regcompp)
109#define CALLREGEXEC CALL_FPTR(PL_regexecp)
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110#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
111#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
112#define CALLREGFREE CALL_FPTR(PL_regfree)
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113
114#ifdef PERL_FLEXIBLE_EXCEPTIONS
115# define CALLPROTECT CALL_FPTR(PL_protect)
116#endif
312caa8e 117
44dbb695 118#ifdef HASATTRIBUTE
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119# if defined(__GNUC__) && defined(__cplusplus)
120# define PERL_UNUSED_DECL
121# else
122# define PERL_UNUSED_DECL __attribute__((unused))
123# endif
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124#else
125# define PERL_UNUSED_DECL
126#endif
127
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128/* gcc -Wall:
129 * for silencing unused variables that are actually used most of the time,
130 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
131 */
132#define PERL_UNUSED_VAR(var) if (0) var = var
133
0cb96387 134#define NOOP (void)0
44dbb695 135#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 136
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137#ifndef pTHX
138# define pTHX void
139# define pTHX_
0cb96387
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140# define aTHX
141# define aTHX_
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142# define dTHXa(a) dNOOP
143# define dTHX dNOOP
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144# define pTHX_1 1
145# define pTHX_2 2
146# define pTHX_3 3
147# define pTHX_4 4
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148#endif
149
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150/* these are only defined for compatibility; should not be used internally */
151#if !defined(pTHXo) && !defined(PERL_CORE)
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152# define pTHXo pTHX
153# define pTHXo_ pTHX_
0cb96387
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154# define aTHXo aTHX
155# define aTHXo_ aTHX_
c5be433b 156# define dTHXo dTHX
71d280e3 157# define dTHXoa(x) dTHXa(x)
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158#endif
159
160#ifndef pTHXx
161# define pTHXx register PerlInterpreter *my_perl
162# define pTHXx_ pTHXx,
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163# define aTHXx my_perl
164# define aTHXx_ aTHXx,
c5be433b 165# define dTHXx dTHX
22c35a8c 166#endif
71be2cbc 167
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168/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
169 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
170 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
171#ifdef PERL_IMPLICIT_SYS
172# define dTHXs dTHX
173#else
174# define dTHXs dNOOP
175#endif
176
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177#undef START_EXTERN_C
178#undef END_EXTERN_C
179#undef EXTERN_C
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180#ifdef __cplusplus
181# define START_EXTERN_C extern "C" {
182# define END_EXTERN_C }
183# define EXTERN_C extern "C"
184#else
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185# define START_EXTERN_C
186# define END_EXTERN_C
73c4f7a1 187# define EXTERN_C extern
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188#endif
189
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190#ifdef OP_IN_REGISTER
191# ifdef __GNUC__
192# define stringify_immed(s) #s
193# define stringify(s) stringify_immed(s)
d1ca3daa 194register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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195# endif
196#endif
197
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198/*
199 * STMT_START { statements; } STMT_END;
200 * can be used as a single statement, as in
201 * if (x) STMT_START { ... } STMT_END; else ...
202 *
203 * Trying to select a version that gives no warnings...
204 */
205#if !(defined(STMT_START) && defined(STMT_END))
93189314 206# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(PERL_GCC_PEDANTIC) && !defined(__cplusplus)
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207# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
208# define STMT_END )
209# else
210 /* Now which other defined()s do we need here ??? */
93189314 211# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
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212# define STMT_START if (1)
213# define STMT_END else (void)0
214# else
215# define STMT_START do
216# define STMT_END while (0)
217# endif
218# endif
219#endif
220
0cb96387 221#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 222#define WITH_THR(s) WITH_THX(s)
ea0efc06 223
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224/*
225 * SOFT_CAST can be used for args to prototyped functions to retain some
226 * type checking; it only casts if the compiler does not know prototypes.
227 */
228#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
229#define SOFT_CAST(type)
230#else
231#define SOFT_CAST(type) (type)
232#endif
79072805 233
6ee623d5 234#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
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235# define BYTEORDER 0x1234
236#endif
237
238/* Overall memory policy? */
239#ifndef CONSERVATIVE
240# define LIBERAL 1
241#endif
242
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243#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
244#define ASCIIish
245#else
246#undef ASCIIish
247#endif
248
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249/*
250 * The following contortions are brought to you on behalf of all the
251 * standards, semi-standards, de facto standards, not-so-de-facto standards
252 * of the world, as well as all the other botches anyone ever thought of.
253 * The basic theory is that if we work hard enough here, the rest of the
254 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
255 */
ac58e20f 256
ee0007ab 257/* define this once if either system, instead of cluttering up the src */
2986a63f 258#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
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259#define DOSISH 1
260#endif
261
2986a63f 262#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
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263# define STANDARD_C 1
264#endif
265
2986a63f 266#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
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267# define DONT_DECLARE_STD 1
268#endif
269
352d5a3a 270#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 271# ifdef __cplusplus
cb69f87a 272# define VOL /* to temporarily suppress warnings */
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273# else
274# define VOL volatile
275# endif
663a0e37 276#else
79072805 277# define VOL
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278#endif
279
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280#define TAINT (PL_tainted = TRUE)
281#define TAINT_NOT (PL_tainted = FALSE)
282#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
283#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 284#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 285
d460ef45 286/* XXX All process group stuff is handled in pp_sys.c. Should these
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PP
287 defines move there? If so, I could simplify this a lot. --AD 9/96.
288*/
289/* Process group stuff changed from traditional BSD to POSIX.
290 perlfunc.pod documents the traditional BSD-style syntax, so we'll
291 try to preserve that, if possible.
292*/
293#ifdef HAS_SETPGID
294# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 295#else
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296# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
297# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
298# else
299# ifdef HAS_SETPGRP2 /* DG/UX */
300# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
301# endif
302# endif
303#endif
304#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
305# define HAS_SETPGRP /* Well, effectively it does . . . */
306#endif
307
308/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
309 our life easier :-) so we'll try it.
310*/
311#ifdef HAS_GETPGID
312# define BSD_GETPGRP(pid) getpgid((pid))
313#else
314# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
315# define BSD_GETPGRP(pid) getpgrp((pid))
316# else
317# ifdef HAS_GETPGRP2 /* DG/UX */
318# define BSD_GETPGRP(pid) getpgrp2((pid))
319# endif
320# endif
321#endif
322#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
323# define HAS_GETPGRP /* Well, effectively it does . . . */
324#endif
325
d460ef45 326/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
327 have different behaviors, but perl.h used to define USE_BSDPGRP
328 (prior to 5.003_05) so some extension might depend on it.
329*/
330#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
331# ifndef USE_BSDPGRP
332# define USE_BSDPGRP
333# endif
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334#endif
335
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336/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
337 pthread.h must be included before all other header files.
338*/
3db8f154 339#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
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340# include <pthread.h>
341#endif
342
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343#ifndef _TYPES_ /* If types.h defines this it's easy. */
344# ifndef major /* Does everyone's types.h define this? */
345# include <sys/types.h>
c07a80fd 346# endif
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347#endif
348
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349#ifdef __cplusplus
350# ifndef I_STDARG
351# define I_STDARG 1
352# endif
353#endif
354
355#ifdef I_STDARG
356# include <stdarg.h>
357#else
358# ifdef I_VARARGS
359# include <varargs.h>
360# endif
361#endif
362
4633a7c4 363#ifdef USE_NEXT_CTYPE
0c30d9ec 364
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365#if NX_CURRENT_COMPILER_RELEASE >= 500
366# include <bsd/ctypes.h>
367#else
368# if NX_CURRENT_COMPILER_RELEASE >= 400
369# include <objc/NXCType.h>
370# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
371# include <appkit/NXCType.h>
372# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
373#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
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374
375#else /* !USE_NEXT_CTYPE */
fe14fcc3 376#include <ctype.h>
0c30d9ec 377#endif /* USE_NEXT_CTYPE */
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378
379#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
380#undef METHOD
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381#endif
382
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383#ifdef PERL_MICRO
384# define NO_LOCALE
385#endif
386
4633a7c4 387#ifdef I_LOCALE
36477c24 388# include <locale.h>
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389#endif
390
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391#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
392# define USE_LOCALE
393# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
394 && defined(HAS_STRXFRM)
395# define USE_LOCALE_COLLATE
396# endif
397# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
398# define USE_LOCALE_CTYPE
399# endif
400# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
401# define USE_LOCALE_NUMERIC
402# endif
403#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 404
fe14fcc3 405#include <setjmp.h>
79072805 406
a0d0e21e 407#ifdef I_SYS_PARAM
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408# ifdef PARAM_NEEDS_TYPES
409# include <sys/types.h>
410# endif
411# include <sys/param.h>
352d5a3a 412#endif
79072805 413
79072805 414/* Use all the "standard" definitions? */
a0d0e21e 415#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 416# include <stdlib.h>
ff68c719 417#endif
03a14243 418
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419/* If this causes problems, set i_unistd=undef in the hint file. */
420#ifdef I_UNISTD
421# include <unistd.h>
422#endif
423
7114a2d2 424#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
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425int syscall(int, ...);
426#endif
427
7114a2d2 428#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 429int usleep(unsigned int);
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430#endif
431
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432#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
433# define MYSWAP
434#endif
435
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436/* Cannot include embed.h here on Win32 as win32.h has not
437 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
438 */
96e176bf 439#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
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440# include "embed.h"
441#endif
442
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443#define MEM_SIZE Size_t
444
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445#if defined(STANDARD_C) && defined(I_STDDEF)
446# include <stddef.h>
447# define STRUCT_OFFSET(s,m) offsetof(s,m)
448#else
449# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
450#endif
451
452#if defined(I_STRING) || defined(__cplusplus)
453# include <string.h>
454#else
455# include <strings.h>
456#endif
457
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458/* This comes after <stdlib.h> so we don't try to change the standard
459 * library prototypes; we'll use our own in proto.h instead. */
03a14243 460
4633a7c4 461#ifdef MYMALLOC
86058a2d 462# ifdef PERL_POLLUTE_MALLOC
ee13e175 463# ifndef PERL_EXTMALLOC_DEF
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464# define Perl_malloc malloc
465# define Perl_calloc calloc
466# define Perl_realloc realloc
467# define Perl_mfree free
ee13e175 468# endif
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469# else
470# define EMBEDMYMALLOC /* for compatibility */
471# endif
993c6a59 472START_EXTERN_C
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473Malloc_t Perl_malloc (MEM_SIZE nbytes);
474Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
475Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
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476/* 'mfree' rather than 'free', since there is already a 'perl_free'
477 * that causes clashes with case-insensitive linkers */
20ce7b12 478Free_t Perl_mfree (Malloc_t where);
993c6a59 479END_EXTERN_C
55497cff 480
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481typedef struct perl_mstats perl_mstats_t;
482
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483# define safemalloc Perl_malloc
484# define safecalloc Perl_calloc
485# define saferealloc Perl_realloc
486# define safefree Perl_mfree
f2517201
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487#else /* MYMALLOC */
488# define safemalloc safesysmalloc
489# define safecalloc safesyscalloc
490# define saferealloc safesysrealloc
491# define safefree safesysfree
55497cff 492#endif /* MYMALLOC */
4633a7c4 493
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494#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
495#define strchr index
496#define strrchr rindex
497#endif
498
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499#ifdef I_MEMORY
500# include <memory.h>
501#endif
502
fe14fcc3 503#ifdef HAS_MEMCPY
85e6fe83 504# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 505# ifndef memcpy
20ce7b12 506 extern char * memcpy (char*, char*, int);
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507# endif
508# endif
509#else
510# ifndef memcpy
511# ifdef HAS_BCOPY
512# define memcpy(d,s,l) bcopy(s,d,l)
513# else
514# define memcpy(d,s,l) my_bcopy(s,d,l)
515# endif
516# endif
517#endif /* HAS_MEMCPY */
fe14fcc3 518
ee0007ab 519#ifdef HAS_MEMSET
85e6fe83 520# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 521# ifndef memset
20ce7b12 522 extern char *memset (char*, int, int);
ee0007ab
LW
523# endif
524# endif
ee0007ab 525#else
12ae5dfc 526# undef memset
fc36a67e 527# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
528#endif /* HAS_MEMSET */
529
85e6fe83 530#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 531# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
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532# define memmove(d,s,l) bcopy(s,d,l)
533# else
2304df62 534# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 535# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 536# else
79072805 537# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 538# endif
352d5a3a 539# endif
d9d8d8de 540#endif
ee0007ab 541
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PP
542#if defined(mips) && defined(ultrix) && !defined(__STDC__)
543# undef HAS_MEMCMP
544#endif
545
546#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 547# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 548# ifndef memcmp
20ce7b12 549 extern int memcmp (char*, char*, int);
ee0007ab
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550# endif
551# endif
36477c24
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552# ifdef BUGGY_MSC
553 # pragma function(memcmp)
554# endif
ee0007ab
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555#else
556# ifndef memcmp
ecfc5424 557# define memcmp my_memcmp
352d5a3a 558# endif
36477c24 559#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 560
fc36a67e 561#ifndef memzero
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PP
562# ifdef HAS_MEMSET
563# define memzero(d,l) memset(d,0,l)
79072805 564# else
c635e13b
PP
565# ifdef HAS_BZERO
566# define memzero(d,l) bzero(d,l)
79072805 567# else
fc36a67e 568# define memzero(d,l) my_bzero(d,l)
79072805
LW
569# endif
570# endif
d9d8d8de 571#endif
378cc40b 572
0f27ced1
JH
573#ifndef memchr
574# ifndef HAS_MEMCHR
575# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
576# endif
577#endif
578
36477c24
PP
579#ifndef HAS_BCMP
580# ifndef bcmp
581# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 582# endif
36477c24 583#endif /* !HAS_BCMP */
378cc40b 584
ae986130 585#ifdef I_NETINET_IN
79072805 586# include <netinet/in.h>
ae986130
LW
587#endif
588
28e8609d
JH
589#ifdef I_ARPA_INET
590# include <arpa/inet.h>
591#endif
592
84902520
TB
593#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
594/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
595 * (the neo-BSD seem to do this). */
596# undef SF_APPEND
597#endif
598
1aef975c 599#ifdef I_SYS_STAT
84902520 600# include <sys/stat.h>
1aef975c 601#endif
79072805 602
a0d0e21e
LW
603/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
604 like UTekV) are broken, sometimes giving false positives. Undefine
605 them here and let the code below set them to proper values.
606
607 The ghs macro stands for GreenHills Software C-1.8.5 which
608 is the C compiler for sysV88 and the various derivatives.
609 This header file bug is corrected in gcc-2.5.8 and later versions.
610 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
611
612#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
613# undef S_ISDIR
614# undef S_ISCHR
615# undef S_ISBLK
616# undef S_ISREG
617# undef S_ISFIFO
618# undef S_ISLNK
ee0007ab 619#endif
135863df 620
663a0e37
LW
621#ifdef I_TIME
622# include <time.h>
ffed7fef 623#endif
663a0e37 624
fe14fcc3 625#ifdef I_SYS_TIME
85e6fe83 626# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
627# define KERNEL
628# endif
629# include <sys/time.h>
85e6fe83 630# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
631# undef KERNEL
632# endif
a687059c 633#endif
135863df 634
55497cff 635#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 636# include <sys/times.h>
d9d8d8de 637#endif
8d063cd8 638
fe14fcc3 639#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 640# undef HAS_STRERROR
663a0e37
LW
641#endif
642
643#include <errno.h>
1e743fda 644
acfe0abc 645#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
646# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
647#endif
648
4e0554ec
JH
649/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */
650#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
651# define _SOCKADDR_LEN
652#endif
653
8d3f517a 654#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
655# include <sys/socket.h>
656# if defined(USE_SOCKS) && defined(I_SOCKS)
657# if !defined(INCLUDE_PROTOTYPES)
658# define INCLUDE_PROTOTYPES /* for <socks.h> */
659# define PERL_SOCKS_NEED_PROTOTYPES
660# endif
661# include <socks.h>
662# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
663# undef INCLUDE_PROTOTYPES
664# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 665# endif
d460ef45 666# endif
1e743fda 667# ifdef I_NETDB
2986a63f
JH
668# ifdef NETWARE
669# include<stdio.h>
670# endif
1e743fda
JH
671# include <netdb.h>
672# endif
673# ifndef ENOTSOCK
674# ifdef I_NET_ERRNO
675# include <net/errno.h>
676# endif
677# endif
678#endif
679
fa0a29af 680/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 681 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 682#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH
683int sockatmark(int);
684#endif
685
1e743fda
JH
686#ifdef SETERRNO
687# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 688#endif
f86702cc
PP
689
690#ifdef VMS
691# define SETERRNO(errcode,vmserrcode) \
692 STMT_START { \
693 set_errno(errcode); \
694 set_vaxc_errno(vmserrcode); \
695 } STMT_END
93189314
JH
696# define LIB_INVARG LIB$_INVARG
697# define RMS_DIR RMS$_DIR
698# define RMS_FAC RMS$_FAC
699# define RMS_FEX RMS$_FEX
700# define RMS_FNF RMS$_FNF
701# define RMS_IFI RMS$_IFI
702# define RMS_ISI RMS$_ISI
703# define RMS_PRV RMS$_PRV
704# define SS_ACCVIO SS$_ACCVIO
705# define SS_DEVOFFLINE SS$_DEVOFFLINE
706# define SS_IVCHAN SS$_IVCHAN
707# define SS_NORMAL SS$_NORMAL
748a9306 708#else
aba27d88 709# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
710# define LIB_INVARG 0
711# define RMS_DIR 0
712# define RMS_FAC 0
713# define RMS_FEX 0
714# define RMS_FNF 0
715# define RMS_IFI 0
716# define RMS_ISI 0
717# define RMS_PRV 0
718# define SS_ACCVIO 0
719# define SS_DEVOFFLINE 0
720# define SS_IVCHAN 0
721# define SS_NORMAL 0
748a9306 722#endif
ed6116ce 723
3db8f154
MB
724#define ERRSV GvSV(PL_errgv)
725#define DEFSV GvSV(PL_defgv)
726#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 727
98eae8f5
GS
728#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
729
55497cff 730#ifndef errno
5ff3f7a4
GS
731 extern int errno; /* ANSI allows errno to be an lvalue expr.
732 * For example in multithreaded environments
733 * something like this might happen:
734 * extern int *_errno(void);
735 * #define errno (*_errno()) */
d9d8d8de 736#endif
663a0e37 737
2304df62 738#ifdef HAS_STRERROR
a0d0e21e 739# ifdef VMS
20ce7b12 740 char *strerror (int,...);
a0d0e21e 741# else
68dc0745 742#ifndef DONT_DECLARE_STD
20ce7b12 743 char *strerror (int);
68dc0745 744#endif
a0d0e21e 745# endif
2304df62
AD
746# ifndef Strerror
747# define Strerror strerror
748# endif
749#else
750# ifdef HAS_SYS_ERRLIST
79072805
LW
751 extern int sys_nerr;
752 extern char *sys_errlist[];
2304df62
AD
753# ifndef Strerror
754# define Strerror(e) \
79072805 755 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 756# endif
79072805 757# endif
35c8bce7 758#endif
663a0e37 759
2304df62 760#ifdef I_SYS_IOCTL
79072805
LW
761# ifndef _IOCTL_
762# include <sys/ioctl.h>
763# endif
a687059c
LW
764#endif
765
ee0007ab 766#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
767# ifdef HAS_SOCKETPAIR
768# undef HAS_SOCKETPAIR
769# endif
2304df62
AD
770# ifdef I_NDBM
771# undef I_NDBM
79072805 772# endif
a687059c
LW
773#endif
774
02fc2eee
NC
775#ifndef HAS_SOCKETPAIR
776# ifdef HAS_SOCKET
777# define socketpair Perl_my_socketpair
778# endif
779#endif
780
a687059c 781#if INTSIZE == 2
79072805
LW
782# define htoni htons
783# define ntohi ntohs
a687059c 784#else
79072805
LW
785# define htoni htonl
786# define ntohi ntohl
a687059c
LW
787#endif
788
a0d0e21e 789/* Configure already sets Direntry_t */
35c8bce7 790#if defined(I_DIRENT)
663a0e37 791# include <dirent.h>
8f1f23e8
W
792 /* NeXT needs dirent + sys/dir.h */
793# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
794# include <sys/dir.h>
795# endif
ae986130 796#else
fe14fcc3 797# ifdef I_SYS_NDIR
79a0689e 798# include <sys/ndir.h>
663a0e37 799# else
fe14fcc3 800# ifdef I_SYS_DIR
79a0689e
LW
801# ifdef hp9000s500
802# include <ndir.h> /* may be wrong in the future */
803# else
804# include <sys/dir.h>
805# endif
663a0e37
LW
806# endif
807# endif
4633a7c4 808#endif
a687059c 809
12ae5dfc
JH
810#ifdef PERL_MICRO
811# ifndef DIR
812# define DIR void
813# endif
814#endif
815
352d5a3a
LW
816#ifdef FPUTS_BOTCH
817/* work around botch in SunOS 4.0.1 and 4.0.2 */
818# ifndef fputs
79072805 819# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
820# endif
821#endif
822
c623bd54
LW
823/*
824 * The following gobbledygook brought to you on behalf of __STDC__.
825 * (I could just use #ifndef __STDC__, but this is more bulletproof
826 * in the face of half-implementations.)
827 */
828
7114a2d2 829#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
830#include <sys/mode.h>
831#endif
832
c623bd54
LW
833#ifndef S_IFMT
834# ifdef _S_IFMT
835# define S_IFMT _S_IFMT
836# else
837# define S_IFMT 0170000
838# endif
839#endif
840
841#ifndef S_ISDIR
842# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
843#endif
844
845#ifndef S_ISCHR
846# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
847#endif
848
849#ifndef S_ISBLK
fe14fcc3
LW
850# ifdef S_IFBLK
851# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
852# else
853# define S_ISBLK(m) (0)
854# endif
c623bd54
LW
855#endif
856
857#ifndef S_ISREG
858# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
859#endif
860
861#ifndef S_ISFIFO
fe14fcc3
LW
862# ifdef S_IFIFO
863# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
864# else
865# define S_ISFIFO(m) (0)
866# endif
c623bd54
LW
867#endif
868
869#ifndef S_ISLNK
870# ifdef _S_ISLNK
871# define S_ISLNK(m) _S_ISLNK(m)
872# else
873# ifdef _S_IFLNK
874# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
875# else
876# ifdef S_IFLNK
877# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
878# else
879# define S_ISLNK(m) (0)
880# endif
881# endif
882# endif
883#endif
884
885#ifndef S_ISSOCK
886# ifdef _S_ISSOCK
887# define S_ISSOCK(m) _S_ISSOCK(m)
888# else
889# ifdef _S_IFSOCK
890# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
891# else
892# ifdef S_IFSOCK
893# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
894# else
895# define S_ISSOCK(m) (0)
896# endif
897# endif
898# endif
899#endif
900
901#ifndef S_IRUSR
902# ifdef S_IREAD
903# define S_IRUSR S_IREAD
904# define S_IWUSR S_IWRITE
905# define S_IXUSR S_IEXEC
906# else
907# define S_IRUSR 0400
908# define S_IWUSR 0200
909# define S_IXUSR 0100
910# endif
fac7cdfc 911#endif
912
913#ifndef S_IRGRP
914# ifdef S_IRUSR
915# define S_IRGRP (S_IRUSR>>3)
916# define S_IWGRP (S_IWUSR>>3)
917# define S_IXGRP (S_IXUSR>>3)
918# else
919# define S_IRGRP 0040
920# define S_IWGRP 0020
921# define S_IXGRP 0010
922# endif
923#endif
924
925#ifndef S_IROTH
926# ifdef S_IRUSR
927# define S_IROTH (S_IRUSR>>6)
928# define S_IWOTH (S_IWUSR>>6)
929# define S_IXOTH (S_IXUSR>>6)
930# else
931# define S_IROTH 0040
932# define S_IWOTH 0020
933# define S_IXOTH 0010
934# endif
c623bd54
LW
935#endif
936
937#ifndef S_ISUID
938# define S_ISUID 04000
939#endif
940
941#ifndef S_ISGID
942# define S_ISGID 02000
943#endif
944
ca6e1c26
JH
945#ifndef S_IRWXU
946# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 947#endif
ca6e1c26
JH
948
949#ifndef S_IRWXG
950# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 951#endif
ca6e1c26
JH
952
953#ifndef S_IRWXO
954# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 955#endif
ca6e1c26 956
c21fb2b8
JH
957/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
958 * which would get included through <sys/file.h >, but that is 3000
959 * lines in the future. --jhi */
960
961#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
962# define S_IREAD S_IRUSR
963#endif
964
c21fb2b8 965#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
966# define S_IWRITE S_IWUSR
967#endif
968
969#ifndef S_IEXEC
970# define S_IEXEC S_IXUSR
971#endif
972
79072805
LW
973#ifdef ff_next
974# undef ff_next
352d5a3a
LW
975#endif
976
a0d0e21e 977#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
978# define SLOPPYDIVIDE
979#endif
980
748a9306
LW
981#ifdef UV
982#undef UV
983#endif
984
c89df6bf
JH
985#ifdef SPRINTF_E_BUG
986# define sprintf UTS_sprintf_wrap
987#endif
988
c495e728
JH
989/* Configure gets this right but the UTS compiler gets it wrong.
990 -- Hal Morris <hom00@utsglobal.com> */
991#ifdef UTS
992# undef UVTYPE
993# define UVTYPE unsigned
994#endif
995
05f13f53 996/*
27d4fb96
PP
997 The IV type is supposed to be long enough to hold any integral
998 value or a pointer.
999 --Andy Dougherty August 1996
1000*/
1001
a22e52b9
JH
1002typedef IVTYPE IV;
1003typedef UVTYPE UV;
8175356b 1004
10cc9d2a 1005#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1006# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1007# define IV_MAX INT64_MAX
1008# define IV_MIN INT64_MIN
1009# define UV_MAX UINT64_MAX
cae7ae48
JH
1010# ifndef UINT64_MIN
1011# define UINT64_MIN 0
1012# endif
5ff3f7a4
GS
1013# define UV_MIN UINT64_MIN
1014# else
1015# define IV_MAX PERL_QUAD_MAX
1016# define IV_MIN PERL_QUAD_MIN
1017# define UV_MAX PERL_UQUAD_MAX
1018# define UV_MIN PERL_UQUAD_MIN
1019# endif
cf2093f6
JH
1020# define IV_IS_QUAD
1021# define UV_IS_QUAD
79072805 1022#else
8175356b 1023# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1024# define IV_MAX INT32_MAX
1025# define IV_MIN INT32_MIN
716026f9
DL
1026# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1027# define UV_MAX UINT32_MAX
1028# else
1029# define UV_MAX 4294967295U
1030# endif
cae7ae48
JH
1031# ifndef UINT32_MIN
1032# define UINT32_MIN 0
1033# endif
5ff3f7a4
GS
1034# define UV_MIN UINT32_MIN
1035# else
1036# define IV_MAX PERL_LONG_MAX
1037# define IV_MIN PERL_LONG_MIN
1038# define UV_MAX PERL_ULONG_MAX
1039# define UV_MIN PERL_ULONG_MIN
1040# endif
8175356b 1041# if IVSIZE == 8
cf2093f6
JH
1042# define IV_IS_QUAD
1043# define UV_IS_QUAD
de1c2614
JH
1044# ifndef HAS_QUAD
1045# define HAS_QUAD
1046# endif
cf2093f6
JH
1047# else
1048# undef IV_IS_QUAD
1049# undef UV_IS_QUAD
de1c2614 1050# undef HAS_QUAD
cf2093f6 1051# endif
79072805 1052#endif
d7d93a81 1053
6cde8aec 1054#if defined(uts) || defined(UTS)
11afe549
HM
1055# undef UV_MAX
1056# define UV_MAX (4294967295u)
20601011
JH
1057#endif
1058
cae7ae48 1059#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1060#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1061
28e5dec8 1062#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1063#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1064#endif
1065
d460ef45 1066/*
26bb67e2
JH
1067 * The macros INT2PTR and NUM2PTR are (despite their names)
1068 * bi-directional: they will convert int/float to or from pointers.
1069 * However the conversion to int/float are named explicitly:
1070 * PTR2IV, PTR2UV, PTR2NV.
1071 *
1072 * For int conversions we do not need two casts if pointers are
1073 * the same size as IV and UV. Otherwise we need an explicit
1074 * cast (PTRV) to avoid compiler warnings.
1075 */
56431972
RB
1076#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1077# define PTRV UV
1078# define INT2PTR(any,d) (any)(d)
1079#else
d460ef45 1080# if PTRSIZE == LONGSIZE
56431972 1081# define PTRV unsigned long
42718184 1082# else
56431972 1083# define PTRV unsigned
42718184 1084# endif
56431972 1085# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1086#endif
56431972
RB
1087#define NUM2PTR(any,d) (any)(PTRV)(d)
1088#define PTR2IV(p) INT2PTR(IV,p)
1089#define PTR2UV(p) INT2PTR(UV,p)
1090#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1091#if PTRSIZE == LONGSIZE
d2560b70
RB
1092# define PTR2ul(p) (unsigned long)(p)
1093#else
1094# define PTR2ul(p) INT2PTR(unsigned long,p)
1095#endif
d460ef45 1096
65202027 1097#ifdef USE_LONG_DOUBLE
1048ea30
JH
1098# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1099# define LONG_DOUBLE_EQUALS_DOUBLE
1100# endif
68d4903c 1101# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1102# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1103# endif
1104#endif
1105
2d4389e4
JH
1106#ifdef OVR_DBL_DIG
1107/* Use an overridden DBL_DIG */
1108# ifdef DBL_DIG
1109# undef DBL_DIG
1110# endif
1111# define DBL_DIG OVR_DBL_DIG
1112#else
1113/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1114 default value for printing floating point numbers in Gconvert
1115 (see config.h). (It also has other uses, such as figuring out if
1116 a given precision of printing can be done with a double instead of
1117 a long double - Allen).
2d4389e4
JH
1118*/
1119#ifdef I_LIMITS
1120#include <limits.h>
1121#endif
1122#ifdef I_FLOAT
1123#include <float.h>
1124#endif
1125#ifndef HAS_DBL_DIG
1126#define DBL_DIG 15 /* A guess that works lots of places */
1127#endif
1128#endif
cbca01e1
JH
1129#ifdef I_FLOAT
1130#include <float.h>
1131#endif
1132#ifndef HAS_DBL_DIG
1133#define DBL_DIG 15 /* A guess that works lots of places */
1134#endif
2d4389e4
JH
1135
1136#ifdef OVR_LDBL_DIG
1137/* Use an overridden LDBL_DIG */
1138# ifdef LDBL_DIG
1139# undef LDBL_DIG
1140# endif
1141# define LDBL_DIG OVR_LDBL_DIG
1142#else
1143/* The following is all to get LDBL_DIG, in order to pick a nice
1144 default value for printing floating point numbers in Gconvert.
1145 (see config.h)
1146*/
68d4903c
JH
1147# ifdef I_LIMITS
1148# include <limits.h>
1149# endif
1150# ifdef I_FLOAT
1151# include <float.h>
1152# endif
1153# ifndef HAS_LDBL_DIG
1154# if LONG_DOUBLESIZE == 10
1155# define LDBL_DIG 18 /* assume IEEE */
1156# else
1157# if LONG_DOUBLESIZE == 12
1158# define LDBL_DIG 18 /* gcc? */
1159# else
1160# if LONG_DOUBLESIZE == 16
1161# define LDBL_DIG 33 /* assume IEEE */
1162# else
1163# if LONG_DOUBLESIZE == DOUBLESIZE
1164# define LDBL_DIG DBL_DIG /* bummer */
1165# endif
1166# endif
1167# endif
1168# endif
1169# endif
2d4389e4
JH
1170#endif
1171
20f6aaab
AS
1172/*
1173 * This is for making sure we have a good DBL_MAX value, if possible,
1174 * either for usage as NV_MAX or for usage in figuring out if we can
1175 * fit a given long double into a double, if bug-fixing makes it
1176 * necessary to do so. - Allen <allens@cpan.org>
1177 */
1178
205f51d8
AS
1179#ifdef I_LIMITS
1180# include <limits.h>
20f6aaab
AS
1181#endif
1182
205f51d8
AS
1183#ifdef I_VALUES
1184# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1185# include <values.h>
1186# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1187# define DBL_MAX MAXDOUBLE
1188# endif
1189# if defined(MINDOUBLE) && !defined(DBL_MIN)
1190# define DBL_MIN MINDOUBLE
1191# endif
1192# endif
1193#endif /* defined(I_VALUES) */
1194
a22e52b9 1195typedef NVTYPE NV;
8175356b 1196
792d8dab
JH
1197#ifdef I_IEEEFP
1198# include <ieeefp.h>
1199#endif
923fc586 1200
65202027 1201#ifdef USE_LONG_DOUBLE
923fc586
JH
1202# ifdef I_SUNMATH
1203# include <sunmath.h>
1204# endif
2d4389e4 1205# define NV_DIG LDBL_DIG
d6c14000
JH
1206# ifdef LDBL_MANT_DIG
1207# define NV_MANT_DIG LDBL_MANT_DIG
1208# endif
06fc1729
JH
1209# ifdef LDBL_MIN
1210# define NV_MIN LDBL_MIN
1211# endif
1212# ifdef LDBL_MAX
1213# define NV_MAX LDBL_MAX
1214# endif
1215# ifdef LDBL_MIN_10_EXP
1216# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1217# endif
1218# ifdef LDBL_MAX_10_EXP
1219# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1220# endif
1221# ifdef LDBL_EPSILON
1222# define NV_EPSILON LDBL_EPSILON
1223# endif
f4a14a62
JH
1224# ifdef LDBL_MAX
1225# define NV_MAX LDBL_MAX
20f6aaab 1226/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1227# else
1228# ifdef HUGE_VALL
1229# define NV_MAX HUGE_VALL
1230# else
1231# ifdef HUGE_VAL
1232# define NV_MAX ((NV)HUGE_VAL)
1233# endif
1234# endif
1235# endif
68d4903c 1236# ifdef HAS_SQRTL
68d4903c
JH
1237# define Perl_cos cosl
1238# define Perl_sin sinl
1239# define Perl_sqrt sqrtl
1240# define Perl_exp expl
1241# define Perl_log logl
1242# define Perl_atan2 atan2l
1243# define Perl_pow powl
1244# define Perl_floor floorl
1245# define Perl_fmod fmodl
1246# endif
a3540c92
JH
1247/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1248# ifdef HAS_MODFL
1249# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1250/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1251 prototype in <math.h> */
1252# ifndef HAS_MODFL_PROTO
1253long double modfl(long double, long double *);
1254# endif
e82e08d5
JH
1255# else
1256# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
a3540c92
JH
1257# endif
1258# ifdef HAS_FREXPL
dff3e0b8 1259# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5
JH
1260# else
1261# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
a3540c92 1262# endif
38dbb4c5 1263# ifndef Perl_isnan
758a5d79
JH
1264# ifdef HAS_ISNANL
1265# define Perl_isnan(x) isnanl(x)
1266# endif
1267# endif
1268# ifndef Perl_isinf
1269# ifdef HAS_FINITEL
1270# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1271# endif
1272# endif
65202027 1273#else
2d4389e4 1274# define NV_DIG DBL_DIG
d6c14000
JH
1275# ifdef DBL_MANT_DIG
1276# define NV_MANT_DIG DBL_MANT_DIG
1277# endif
06fc1729
JH
1278# ifdef DBL_MIN
1279# define NV_MIN DBL_MIN
1280# endif
1281# ifdef DBL_MAX
1282# define NV_MAX DBL_MAX
1283# endif
1284# ifdef DBL_MIN_10_EXP
1285# define NV_MIN_10_EXP DBL_MIN_10_EXP
1286# endif
1287# ifdef DBL_MAX_10_EXP
1288# define NV_MAX_10_EXP DBL_MAX_10_EXP
1289# endif
1290# ifdef DBL_EPSILON
1291# define NV_EPSILON DBL_EPSILON
1292# endif
205f51d8 1293# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1294# define NV_MAX DBL_MAX
1295# define NV_MIN DBL_MIN
1296# else
1297# ifdef HUGE_VAL
1298# define NV_MAX HUGE_VAL
1299# endif
1300# endif
65202027
DS
1301# define Perl_cos cos
1302# define Perl_sin sin
1303# define Perl_sqrt sqrt
1304# define Perl_exp exp
1305# define Perl_log log
1306# define Perl_atan2 atan2
1307# define Perl_pow pow
1308# define Perl_floor floor
65202027 1309# define Perl_fmod fmod
a3540c92 1310# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1311# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1312#endif
1313
1314/* rumor has it that Win32 has _fpclass() */
1315
205f51d8
AS
1316/* SGI has fpclassl... but not with the same result values,
1317 * and it's via a typedef (not via #define), so will need to redo Configure
1318 * to use. Not worth the trouble, IMO, at least until the below is used
1319 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1320 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1321 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1322
758a5d79
JH
1323#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1324# ifdef I_IEEFP
1325# include <ieeefp.h>
1326# endif
1327# ifdef I_FP
1328# include <fp.h>
1329# endif
1330# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1331# define Perl_fp_class() fpclassl(x)
1332# else
1333# define Perl_fp_class() fpclass(x)
1334# endif
1335# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1336# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1337# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1338# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1339# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1340# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1341# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1342# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1343# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1344# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1345# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1346# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1347# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1348# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1349# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1350#endif
1351
7114a2d2 1352#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1353# include <math.h>
1354# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1355# include <fp_class.h>
1356# endif
1357# define Perl_fp_class(x) fp_class(x)
1358# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1359# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1360# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1361# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1362# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1363# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1364# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1365# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1366# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1367# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1368# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1369# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1370# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1371# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1372# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1373#endif
1374
1375#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1376# include <math.h>
1377# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1378# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1379# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1380# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1381# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1382# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1383#endif
1384
1385#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1386# include <math.h>
1387# ifndef _cplusplus
1388# define Perl_fp_class(x) class(x)
1389# else
1390# define Perl_fp_class(x) _class(x)
1391# endif
1392# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1393# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1394# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1395# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1396# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1397# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1398# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1399# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1400# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1401# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1402# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1403# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1404# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1405# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1406# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1407#endif
1408
1409/* rumor has it that Win32 has _isnan() */
1410
1411#ifndef Perl_isnan
a3540c92 1412# ifdef HAS_ISNAN
758a5d79
JH
1413# define Perl_isnan(x) isnan((NV)x)
1414# else
1415# ifdef Perl_fp_class_nan
1416# define Perl_isnan(x) Perl_fp_class_nan(x)
1417# else
1418# ifdef HAS_UNORDERED
1419# define Perl_isnan(x) unordered((x), 0.0)
1420# else
1421# define Perl_isnan(x) ((x)!=(x))
1422# endif
1423# endif
1424# endif
1425#endif
1426
ca6c63e1
JH
1427#ifdef UNDER_CE
1428int isnan(double d);
1429#endif
1430
758a5d79
JH
1431#ifndef Perl_isinf
1432# ifdef HAS_ISINF
1433# define Perl_isinf(x) isinf((NV)x)
a3540c92 1434# else
758a5d79
JH
1435# ifdef Perl_fp_class_inf
1436# define Perl_isinf(x) Perl_fp_class_inf(x)
1437# else
1438# define Perl_isinf(x) ((x)==NV_INF)
1439# endif
1440# endif
1441#endif
1442
1443#ifndef Perl_isfinite
1444# ifdef HAS_FINITE
1445# define Perl_isfinite(x) finite((NV)x)
1446# else
1447# ifdef HAS_ISFINITE
1448# define Perl_isfinite(x) isfinite(x)
1449# else
1450# ifdef Perl_fp_class_finite
1451# define Perl_isfinite(x) Perl_fp_class_finite(x)
1452# else
1453# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1454# endif
1455# endif
a3540c92 1456# endif
65202027
DS
1457#endif
1458
a36244b7
JH
1459/* The default is to use Perl's own atof() implementation (in numeric.c).
1460 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1461 * it is however best to use the native implementation of atof.
1462 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1463 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
1464 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1465 * you may need to be using a different function than atof! */
a36244b7
JH
1466
1467#ifndef USE_PERL_ATOF
1468# ifndef _UNICOS
1469# define USE_PERL_ATOF
1470# endif
1471#else
1472# if USE_PERL_ATOF == 0
1473# undef USE_PERL_ATOF
1474# endif
1475#endif
1476
1477#ifdef USE_PERL_ATOF
1478# define Perl_atof(s) Perl_my_atof(s)
1479# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1480#else
1481# define Perl_atof(s) (NV)atof(s)
1482# define Perl_atof2(s, n) ((n) = atof(s))
1483#endif
cf2093f6 1484
d460ef45 1485/* Previously these definitions used hardcoded figures.
760ac839
LW
1486 * It is hoped these formula are more portable, although
1487 * no data one way or another is presently known to me.
1488 * The "PERL_" names are used because these calculated constants
1489 * do not meet the ANSI requirements for LONG_MAX, etc., which
1490 * need to be constants acceptable to #if - kja
1491 * define PERL_LONG_MAX 2147483647L
1492 * define PERL_LONG_MIN (-LONG_MAX - 1)
1493 * define PERL ULONG_MAX 4294967295L
1494 */
1495
1496#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1497# include <limits.h>
760ac839 1498#endif
205f51d8
AS
1499/* Included values.h above if necessary; still including limits.h down here,
1500 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1501
99abf803
PP
1502/*
1503 * Try to figure out max and min values for the integral types. THE CORRECT
1504 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1505 * following hacks are used if neither limits.h or values.h provide them:
1506 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1507 * for types < int: (unsigned TYPE)~(unsigned)0
1508 * The argument to ~ must be unsigned so that later signed->unsigned
1509 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1510 * and it must not be smaller than int because ~ does integral promotion.
1511 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1512 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1513 * The latter is a hack which happens to work on some machines but
1514 * does *not* catch any random system, or things like integer types
1515 * with NaN if that is possible.
1516 *
1517 * All of the types are explicitly cast to prevent accidental loss of
1518 * numeric range, and in the hope that they will be less likely to confuse
1519 * over-eager optimizers.
1520 *
1521 */
27d4fb96 1522
99abf803
PP
1523#define PERL_UCHAR_MIN ((unsigned char)0)
1524
1525#ifdef UCHAR_MAX
1526# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1527#else
99abf803
PP
1528# ifdef MAXUCHAR
1529# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1530# else
99abf803 1531# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
1532# endif
1533#endif
d460ef45 1534
99abf803
PP
1535/*
1536 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1537 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1538 * depending on local options. Until Configure detects this (or at least
1539 * detects whether the "signed" keyword is available) the CHAR ranges
1540 * will not be included. UCHAR functions normally.
1541 * - kja
1542 */
27d4fb96 1543
99abf803
PP
1544#define PERL_USHORT_MIN ((unsigned short)0)
1545
1546#ifdef USHORT_MAX
1547# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1548#else
99abf803
PP
1549# ifdef MAXUSHORT
1550# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1551# else
ef2f54b0
CB
1552# ifdef USHRT_MAX
1553# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1554# else
1555# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1556# endif
27d4fb96
PP
1557# endif
1558#endif
1559
27d4fb96 1560#ifdef SHORT_MAX
99abf803 1561# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
1562#else
1563# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1564# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1565# else
ef2f54b0
CB
1566# ifdef SHRT_MAX
1567# define PERL_SHORT_MAX ((short)SHRT_MAX)
1568# else
1569# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1570# endif
27d4fb96
PP
1571# endif
1572#endif
1573
1574#ifdef SHORT_MIN
99abf803 1575# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
1576#else
1577# ifdef MINSHORT
99abf803 1578# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1579# else
ef2f54b0
CB
1580# ifdef SHRT_MIN
1581# define PERL_SHORT_MIN ((short)SHRT_MIN)
1582# else
1583# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1584# endif
27d4fb96
PP
1585# endif
1586#endif
1587
99abf803
PP
1588#ifdef UINT_MAX
1589# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1590#else
99abf803
PP
1591# ifdef MAXUINT
1592# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1593# else
99abf803 1594# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
1595# endif
1596#endif
1597
99abf803 1598#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
1599
1600#ifdef INT_MAX
99abf803 1601# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
1602#else
1603# ifdef MAXINT /* Often used in <values.h> */
99abf803 1604# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1605# else
99abf803 1606# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
1607# endif
1608#endif
1609
1610#ifdef INT_MIN
99abf803 1611# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
1612#else
1613# ifdef MININT
99abf803 1614# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
1615# else
1616# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1617# endif
1618#endif
1619
99abf803
PP
1620#ifdef ULONG_MAX
1621# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1622#else
99abf803
PP
1623# ifdef MAXULONG
1624# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1625# else
99abf803 1626# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
1627# endif
1628#endif
1629
99abf803 1630#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1631
760ac839 1632#ifdef LONG_MAX
99abf803 1633# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
1634#else
1635# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1636# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1637# else
99abf803 1638# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
1639# endif
1640#endif
1641
1642#ifdef LONG_MIN
99abf803 1643# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
1644#else
1645# ifdef MINLONG
99abf803 1646# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1647# else
27d4fb96 1648# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
1649# endif
1650#endif
1651
d7d93a81 1652#ifdef UV_IS_QUAD
99abf803 1653
99abf803 1654# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1655# define PERL_UQUAD_MIN ((UV)0)
99abf803 1656# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1657# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1658
79072805
LW
1659#endif
1660
880b20b6
IZ
1661struct perl_mstats {
1662 UV *nfree;
1663 UV *ntotal;
1664 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1665 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1666 IV minbucket;
1667 /* Level 1 info */
1668 UV *bucket_mem_size;
1669 UV *bucket_available_size;
1670 UV nbuckets;
1671};
830247a4 1672struct RExC_state_t;
880b20b6 1673
ee0007ab 1674typedef MEM_SIZE STRLEN;
450a55e4 1675
79072805
LW
1676typedef struct op OP;
1677typedef struct cop COP;
1678typedef struct unop UNOP;
1679typedef struct binop BINOP;
1680typedef struct listop LISTOP;
1681typedef struct logop LOGOP;
79072805
LW
1682typedef struct pmop PMOP;
1683typedef struct svop SVOP;
7934575e 1684typedef struct padop PADOP;
79072805 1685typedef struct pvop PVOP;
79072805
LW
1686typedef struct loop LOOP;
1687
93a17b20 1688typedef struct interpreter PerlInterpreter;
d2b3f365
SS
1689
1690/* Amdahl's <ksync.h> has struct sv */
1691/* SGI's <sys/sema.h> has struct sv */
1692#if defined(UTS) || defined(__sgi)
1693# define STRUCT_SV perl_sv
b8d3c5db
JH
1694#else
1695# define STRUCT_SV sv
1696#endif
1697typedef struct STRUCT_SV SV;
79072805
LW
1698typedef struct av AV;
1699typedef struct hv HV;
1700typedef struct cv CV;
378cc40b 1701typedef struct regexp REGEXP;
79072805 1702typedef struct gp GP;
0c30d9ec 1703typedef struct gv GV;
8990e307 1704typedef struct io IO;
c09156bb 1705typedef struct context PERL_CONTEXT;
79072805
LW
1706typedef struct block BLOCK;
1707
1708typedef struct magic MAGIC;
ed6116ce 1709typedef struct xrv XRV;
79072805
LW
1710typedef struct xpv XPV;
1711typedef struct xpviv XPVIV;
ff68c719 1712typedef struct xpvuv XPVUV;
79072805
LW
1713typedef struct xpvnv XPVNV;
1714typedef struct xpvmg XPVMG;
1715typedef struct xpvlv XPVLV;
1716typedef struct xpvav XPVAV;
1717typedef struct xpvhv XPVHV;
1718typedef struct xpvgv XPVGV;
1719typedef struct xpvcv XPVCV;
1720typedef struct xpvbm XPVBM;
1721typedef struct xpvfm XPVFM;
8990e307 1722typedef struct xpvio XPVIO;
79072805
LW
1723typedef struct mgvtbl MGVTBL;
1724typedef union any ANY;
5f7fde29
GS
1725typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1726typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
1727typedef struct clone_params CLONE_PARAMS;
1728
8d063cd8 1729
378cc40b 1730#include "handy.h"
a0d0e21e 1731
6b8eaf93 1732#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
1733# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1734# define USE_64_BIT_RAWIO /* implicit */
1735# endif
4564133c
JH
1736#endif
1737
6b8eaf93
JH
1738/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1739 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1740 * however, because operating systems like to do that themself. */
1741#ifndef FSEEKSIZE
1742# ifdef HAS_FSEEKO
1743# define FSEEKSIZE LSEEKSIZE
1744# else
1745# define FSEEKSIZE LONGSIZE
d460ef45 1746# endif
6b8eaf93
JH
1747#endif
1748
1749#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
1750# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1751# define USE_64_BIT_STDIO /* implicit */
1752# endif
1753#endif
4564133c 1754
09458382 1755#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
1756# ifdef HAS_OFF64_T
1757# undef Off_t
1758# define Off_t off64_t
1759# undef LSEEKSIZE
1760# define LSEEKSIZE 8
5ff3f7a4 1761# endif
d9b3e12d
JH
1762/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1763 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1764 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
1765# if defined(USE_OPEN64)
1766# define open open64
5ff3f7a4 1767# endif
d9b3e12d
JH
1768# if defined(USE_LSEEK64)
1769# define lseek lseek64
6b8eaf93
JH
1770# else
1771# if defined(USE_LLSEEK)
1772# define lseek llseek
1773# endif
d9b3e12d
JH
1774# endif
1775# if defined(USE_STAT64)
1776# define stat stat64
1777# endif
1778# if defined(USE_FSTAT64)
1779# define fstat fstat64
1780# endif
1781# if defined(USE_LSTAT64)
1782# define lstat lstat64
1783# endif
1784# if defined(USE_FLOCK64)
1785# define flock flock64
1786# endif
1787# if defined(USE_LOCKF64)
1788# define lockf lockf64
1789# endif
1790# if defined(USE_FCNTL64)
1791# define fcntl fcntl64
1792# endif
1793# if defined(USE_TRUNCATE64)
1794# define truncate truncate64
1795# endif
1796# if defined(USE_FTRUNCATE64)
1797# define ftruncate ftruncate64
1798# endif
1799#endif
1800
1801#ifdef USE_64_BIT_STDIO
1802# ifdef HAS_FPOS64_T
1803# undef Fpos_t
1804# define Fpos_t fpos64_t
1805# endif
1806/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1807 * will trigger defines like the ones below. Some 64-bit environments,
1808 * however, do not. */
1809# if defined(USE_FOPEN64)
1810# define fopen fopen64
1811# endif
1812# if defined(USE_FSEEK64)
6b8eaf93 1813# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
1814# endif
1815# if defined(USE_FTELL64)
6b8eaf93 1816# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
1817# endif
1818# if defined(USE_FSETPOS64)
1819# define fsetpos fsetpos64
1820# endif
1821# if defined(USE_FGETPOS64)
1822# define fgetpos fgetpos64
1823# endif
1824# if defined(USE_TMPFILE64)
1825# define tmpfile tmpfile64
1826# endif
1827# if defined(USE_FREOPEN64)
1828# define freopen freopen64
5ff3f7a4
GS
1829# endif
1830#endif
1831
af8b425d 1832#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
1833# include "iperlsys.h"
1834#endif
1835
6f71a643 1836#if defined(__OPEN_VM)
19848b3f
JH
1837# include "vmesa/vmesaish.h"
1838# define ISHISH "vmesa"
6f71a643
JH
1839#endif
1840
748a9306 1841#ifdef DOSISH
19848b3f
JH
1842# if defined(OS2)
1843# include "os2ish.h"
1844# else
1845# include "dosish.h"
1846# endif
1847# define ISHISH "dos"
1848#endif
1849
1850#if defined(VMS)
748a9306 1851# include "vmsish.h"
96e176bf 1852# include "embed.h"
19848b3f
JH
1853# define ISHISH "vms"
1854#endif
1855
1856#if defined(PLAN9)
1857# include "./plan9/plan9ish.h"
1858# define ISHISH "plan9"
1859#endif
1860
1861#if defined(MPE)
1862# include "mpeix/mpeixish.h"
1863# define ISHISH "mpeix"
1864#endif
1865
1866#if defined(__VOS__)
196918b0
PG
1867# ifdef __GNUC__
1868# include "./vos/vosish.h"
1869# else
1870# include "vos/vosish.h"
1871# endif
19848b3f
JH
1872# define ISHISH "vos"
1873#endif
1874
1875#if defined(EPOC)
1876# include "epocish.h"
1877# define ISHISH "epoc"
1878#endif
1879
1880#if defined(MACOS_TRADITIONAL)
1881# include "macos/macish.h"
1882# ifndef NO_ENVIRON_ARRAY
1883# define NO_ENVIRON_ARRAY
0c30d9ec 1884# endif
19848b3f
JH
1885# define ISHISH "macos classic"
1886#endif
1887
efca5cc6
JH
1888#if defined(__BEOS__)
1889# include "beos/beosish.h"
1890# define ISHISH "beos"
1891#endif
1892
19848b3f
JH
1893#ifndef ISHISH
1894# include "unixish.h"
1895# define ISHISH "unix"
13b6e58c
JH
1896#endif
1897
1898#ifndef NO_ENVIRON_ARRAY
1899# define USE_ENVIRON_ARRAY
1900#endif
32f822de 1901
c77b533b
JH
1902/*
1903 * initialise to avoid floating-point exceptions from overflow, etc
1904 */
1905#ifndef PERL_FPU_INIT
1906# ifdef HAS_FPSETMASK
1907# if HAS_FLOATINGPOINT_H
1908# include <floatingpoint.h>
1909# endif
1910# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1911# else
7014c407
JH
1912# if defined(SIGFPE) && defined(SIG_IGN)
1913# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1914# else
1915# define PERL_FPU_INIT
1916# endif
c77b533b
JH
1917# endif
1918#endif
1919
ed344e4f
IZ
1920#ifndef PERL_SYS_INIT3
1921# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1922#endif
1923
be708cc0
JH
1924#ifndef PERL_WRITE_MSG_TO_CONSOLE
1925# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1926#endif
1927
0f31cffe
GS
1928#ifndef MAXPATHLEN
1929# ifdef PATH_MAX
b990c8b2
JH
1930# ifdef _POSIX_PATH_MAX
1931# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
1932/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
1933 * included the null byte or not. Later amendments of POSIX,
1934 * XPG4, the Austin Group, and the Single UNIX Specification
1935 * all explicitly include the null byte in the PATH_MAX.
1936 * Ditto for _POSIX_PATH_MAX. */
1937# define MAXPATHLEN PATH_MAX
b990c8b2 1938# else
09448d78 1939# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
1940# endif
1941# else
1942# define MAXPATHLEN (PATH_MAX+1)
1943# endif
0f31cffe 1944# else
b990c8b2 1945# ifdef _POSIX_PATH_MAX
09448d78 1946# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
1947# else
1948# define MAXPATHLEN 1024 /* Err on the large side. */
1949# endif
0f31cffe
GS
1950# endif
1951#endif
1952
3db8f154 1953/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1954 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
1955 * this results in many functions being undeclared which bothers C++
1956 * May make sense to have threads after "*ish.h" anyway
1957 */
1958
3db8f154 1959#if defined(USE_ITHREADS)
2986a63f
JH
1960# ifdef NETWARE
1961# include <nw5thread.h>
1962# else
32f822de
GS
1963# ifdef FAKE_THREADS
1964# include "fakethr.h"
1965# else
1966# ifdef WIN32
1967# include <win32thread.h>
1968# else
dd96f567
IZ
1969# ifdef OS2
1970# include "os2thread.h"
1971# else
7f3d1cf1 1972# ifdef I_MACH_CTHREADS
bdd66968 1973# include <mach/cthreads.h>
8f1f23e8 1974# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
1975# define MUTEX_INIT_CALLS_MALLOC
1976# endif
7f3d1cf1
BH
1977typedef cthread_t perl_os_thread;
1978typedef mutex_t perl_mutex;
1979typedef condition_t perl_cond;
1980typedef void * perl_key;
1981# else /* Posix threads */
1f5ae88c
JH
1982# ifdef I_PTHREAD
1983# include <pthread.h>
1984# endif
7f3d1cf1
BH
1985typedef pthread_t perl_os_thread;
1986typedef pthread_mutex_t perl_mutex;
1987typedef pthread_cond_t perl_cond;
1988typedef pthread_key_t perl_key;
1989# endif /* I_MACH_CTHREADS */
dd96f567 1990# endif /* OS2 */
32f822de
GS
1991# endif /* WIN32 */
1992# endif /* FAKE_THREADS */
2986a63f 1993#endif /* NETWARE */
3db8f154 1994#endif /* USE_ITHREADS */
c5be433b 1995
66a93824 1996#if defined(WIN32)
1feb2720 1997# include "win32.h"
c5be433b
GS
1998#endif
1999
2986a63f
JH
2000#ifdef NETWARE
2001# include "netware.h"
2002#endif
2003
68dc0745 2004#ifdef VMS
6b88bc9c 2005# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2006# define STATUS_NATIVE_EXPORT \
d98f61e7 2007 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745
PP
2008# define STATUS_NATIVE_SET(n) \
2009 STMT_START { \
6b88bc9c
GS
2010 PL_statusvalue_vms = (n); \
2011 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2012 PL_statusvalue = -1; \
6b88bc9c 2013 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2014 PL_statusvalue = 0; \
6b88bc9c
GS
2015 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2016 PL_statusvalue = 1 << 8; \
68dc0745 2017 else \
6b88bc9c 2018 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2019 } STMT_END
3280af22 2020# define STATUS_POSIX PL_statusvalue
68dc0745
PP
2021# ifdef VMSISH_STATUS
2022# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2023# else
2024# define STATUS_CURRENT STATUS_POSIX
2025# endif
2026# define STATUS_POSIX_SET(n) \
2027 STMT_START { \
3280af22
NIS
2028 PL_statusvalue = (n); \
2029 if (PL_statusvalue != -1) { \
2030 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2031 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2032 } \
6b88bc9c 2033 else PL_statusvalue_vms = -1; \
68dc0745 2034 } STMT_END
6b88bc9c
GS
2035# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2036# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745
PP
2037#else
2038# define STATUS_NATIVE STATUS_POSIX
2039# define STATUS_NATIVE_EXPORT STATUS_POSIX
2040# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2041# define STATUS_POSIX PL_statusvalue
68dc0745
PP
2042# define STATUS_POSIX_SET(n) \
2043 STMT_START { \
3280af22
NIS
2044 PL_statusvalue = (n); \
2045 if (PL_statusvalue != -1) \
2046 PL_statusvalue &= 0xFFFF; \
68dc0745
PP
2047 } STMT_END
2048# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS
2049# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2050# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745
PP
2051#endif
2052
cc3604b1
GS
2053/* flags in PL_exit_flags for nature of exit() */
2054#define PERL_EXIT_EXPECTED 0x01
31d77e54 2055#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2056
0b94c7bb 2057#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2058# define MEMBER_TO_FPTR(name) name
2059#endif
2060
2061/* format to use for version numbers in file/directory names */
273cf8d1 2062/* XXX move to Configure? */
a7cb1f99 2063#ifndef PERL_FS_VER_FMT
273cf8d1 2064# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2065#endif
2066
45bc9206 2067/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2068 * performance issue, so we allow people to disable it. Also, if
2069 * we are using stdio, there are broken implementations of fflush(NULL)
2070 * out there, Solaris being the most prominent.
45bc9206
GS
2071 */
2072#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2073# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2074# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2075# else
2076# ifdef FFLUSH_ALL
2077# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2078# else
c5be433b 2079# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2080# endif
66fe083f 2081# endif
45bc9206
GS
2082#endif
2083
7766f137
GS
2084#ifndef PERL_WAIT_FOR_CHILDREN
2085# define PERL_WAIT_FOR_CHILDREN NOOP
2086#endif
2087
ba869deb 2088/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2089#ifndef PERL_SET_INTERP
2090# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2091#endif
2092
2093#ifndef PERL_GET_INTERP
2094# define PERL_GET_INTERP (PL_curinterp)
2095#endif
2096
54aff467 2097#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2098# ifdef MULTIPLICITY
ba869deb 2099# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2100# endif
ba869deb
GS
2101# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2102#endif
2103
894356b3
GS
2104#ifndef SVf
2105# ifdef CHECK_FORMAT
2106# define SVf "p"
2107# else
2108# define SVf "_"
d460ef45 2109# endif
894356b3
GS
2110#endif
2111
d2560b70
RB
2112#ifndef UVf
2113# ifdef CHECK_FORMAT
2114# define UVf UVuf
2115# else
2116# define UVf "Vu"
d460ef45 2117# endif
d2560b70
RB
2118#endif
2119
2120#ifndef VDf
2121# ifdef CHECK_FORMAT
2122# define VDf "p"
2123# else
2124# define VDf "vd"
d460ef45 2125# endif
d2560b70
RB
2126#endif
2127
b3fe4827
RB
2128#ifndef Nullformat
2129# ifdef CHECK_FORMAT
2130# define Nullformat "%s",""
2131# else
2132# define Nullformat Nullch
2133# endif
2134#endif
2135
3fc1aec6
PP
2136/* Some unistd.h's give a prototype for pause() even though
2137 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2138 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
2139*/
2140#ifdef HAS_PAUSE
2141#define Pause pause
2142#else
2143#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2144#endif
2145
2146#ifndef IOCPARM_LEN
2147# ifdef IOCPARM_MASK
2148 /* on BSDish systes we're safe */
2149# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2150# else
2151 /* otherwise guess at what's safe */
2152# define IOCPARM_LEN(x) 256
2153# endif
a0d0e21e
LW
2154#endif
2155
1761cee5 2156#if defined(__CYGWIN__)
521e0776
GS
2157/* USEMYBINMODE
2158 * This symbol, if defined, indicates that the program should
16fe6d59 2159 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2160 * that a file is in "binary" mode -- that is, that no translation
2161 * of bytes occurs on read or write operations.
2162 */
2163# define USEMYBINMODE / **/
16fe6d59
GS
2164# define my_binmode(fp, iotype, mode) \
2165 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
2166#endif
2167
88d10794
JH
2168#ifdef __CYGWIN__
2169void init_os_extras(void);
2170#endif
2171
cea2e8a9
GS
2172#ifdef UNION_ANY_DEFINITION
2173UNION_ANY_DEFINITION;
2174#else
2175union any {
2176 void* any_ptr;
2177 I32 any_i32;
2178 IV any_iv;
2179 long any_long;
9febdf04 2180 bool any_bool;
c76ac1ee 2181 void (*any_dptr) (void*);
acfe0abc 2182 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2183};
2184#endif
2185
acfe0abc 2186typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2187
2188#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2189#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2190#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2191
c5078cac
JH
2192#if defined(_AIX) && !defined(_AIX43)
2193#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2194/* We cannot include <crypt.h> to get the struct crypt_data
2195 * because of setkey prototype problems when threading */
2196typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2197 /* From OSF, Not needed in AIX
2198 char C[28], D[28];
2199 */
2200 char E[48];
2201 char KS[16][48];
2202 char block[66];
2203 char iobuf[16];
2204} CRYPTD;
2205#endif /* threading */
2206#endif /* AIX */
2207
af8b425d 2208#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2209# include "iperlsys.h"
2210#endif
378cc40b 2211#include "regexp.h"
79072805 2212#include "sv.h"
378cc40b 2213#include "util.h"
8d063cd8 2214#include "form.h"
79072805 2215#include "gv.h"
dd2155a4 2216#include "pad.h"
79072805 2217#include "cv.h"
abdd5c84 2218#include "opnames.h"
79072805
LW
2219#include "op.h"
2220#include "cop.h"
2221#include "av.h"
2222#include "hv.h"
2223#include "mg.h"
2224#include "scope.h"
4438c4b7 2225#include "warnings.h"
a0ed51b3 2226#include "utf8.h"
8d063cd8 2227
7fae4e64
GS
2228/* Current curly descriptor */
2229typedef struct curcur CURCUR;
2230struct curcur {
2231 int parenfloor; /* how far back to strip paren data */
2232 int cur; /* how many instances of scan we've matched */
2233 int min; /* the minimal number of scans to match */
2234 int max; /* the maximal number of scans to match */
2235 int minmod; /* whether to work our way up or down */
2236 regnode * scan; /* the thing to match */
2237 regnode * next; /* what has to match after it */
2238 char * lastloc; /* where we started matching this scan */
2239 CURCUR * oldcc; /* current curly before we started this one */
2240};
2241
2242typedef struct _sublex_info SUBLEXINFO;
2243struct _sublex_info {
2244 I32 super_state; /* lexer state to save */
2245 I32 sub_inwhat; /* "lex_inwhat" to use */
2246 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2247 char *super_bufptr; /* PL_bufptr that was */
2248 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2249};
2250
455ece5e 2251typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2252
2c2d71f5 2253struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2254struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2255
2256typedef I32 CHECKPOINT;
76e3520e 2257
5f7fde29
GS
2258struct ptr_tbl_ent {
2259 struct ptr_tbl_ent* next;
2260 void* oldval;
2261 void* newval;
d18c6117
GS
2262};
2263
5f7fde29
GS
2264struct ptr_tbl {
2265 struct ptr_tbl_ent** tbl_ary;
2266 UV tbl_max;
2267 UV tbl_items;
d18c6117
GS
2268};
2269
450a55e4 2270#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2271# define I286
2272#endif
2273
fe14fcc3
LW
2274#if defined(htonl) && !defined(HAS_HTONL)
2275#define HAS_HTONL
ae986130 2276#endif
fe14fcc3
LW
2277#if defined(htons) && !defined(HAS_HTONS)
2278#define HAS_HTONS
ae986130 2279#endif
fe14fcc3
LW
2280#if defined(ntohl) && !defined(HAS_NTOHL)
2281#define HAS_NTOHL
ae986130 2282#endif
fe14fcc3
LW
2283#if defined(ntohs) && !defined(HAS_NTOHS)
2284#define HAS_NTOHS
ae986130 2285#endif
fe14fcc3 2286#ifndef HAS_HTONL
d9d8d8de 2287#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2288#define HAS_HTONS
2289#define HAS_HTONL
2290#define HAS_NTOHS
2291#define HAS_NTOHL
a687059c
LW
2292#define MYSWAP
2293#define htons my_swap
2294#define htonl my_htonl
2295#define ntohs my_swap
2296#define ntohl my_ntohl
2297#endif
2298#else
d9d8d8de 2299#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2300#undef HAS_HTONS
2301#undef HAS_HTONL
2302#undef HAS_NTOHS
2303#undef HAS_NTOHL
a687059c
LW
2304#endif
2305#endif
2306
988174c1
LW
2307/*
2308 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2309 * -DWS
2310 */
2311#if BYTEORDER != 0x1234
2312# define HAS_VTOHL
2313# define HAS_VTOHS
2314# define HAS_HTOVL
2315# define HAS_HTOVS
c67712b2 2316# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2317# define vtohl(x) ((((x)&0xFF)<<24) \
2318 +(((x)>>24)&0xFF) \
2319 +(((x)&0x0000FF00)<<8) \
2320 +(((x)&0x00FF0000)>>8) )
2321# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2322# define htovl(x) vtohl(x)
2323# define htovs(x) vtohs(x)
2324# endif
2325 /* otherwise default to functions in util.c */
2a8c3029 2326#ifndef htovs
c623ac67
GS
2327short htovs(short n);
2328short vtohs(short n);
2329long htovl(long n);
2330long vtohl(long n);
988174c1 2331#endif
2a8c3029 2332#endif
988174c1 2333
3bb7c1b4
JH
2334/* *MAX Plus 1. A floating point value.
2335 Hopefully expressed in a way that dodgy floating point can't mess up.
2336 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2337 is added to it
2338 May find that some broken compiler will want the value cast to I32.
2339 [after the shift, as signed >> may not be as secure as unsigned >>]
2340*/
2341#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2342#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2343/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2344 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2345 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2346*/
2347#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2348
3bb7c1b4
JH
2349#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2350#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2351#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2352
2353/* This may look like unnecessary jumping through hoops, but converting
2354 out of range floating point values to integers *is* undefined behaviour,
2355 and it is starting to bite.
2356*/
2357#ifndef CAST_INLINE
65202027 2358#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2359#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
2360#define I_V(what) (cast_iv((NV)(what)))
2361#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
2362#else
2363#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2364 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2365 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2366#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2367 : ((n) < U32_MAX_P1 ? (U32) (n) \
2368 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2369#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2370 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2371 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2372#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2373 : ((n) < UV_MAX_P1 ? (UV) (n) \
2374 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2375#endif
2376
2377#define U_S(what) ((U16)U_32(what))
2378#define U_I(what) ((unsigned int)U_32(what))
2379#define U_L(what) U_32(what)
ed6116ce 2380
2d4389e4
JH
2381/* These do not care about the fractional part, only about the range. */
2382#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2383#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2384
25da4f38
IZ
2385/* Used with UV/IV arguments: */
2386 /* XXXX: need to speed it up */
2387#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2388#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2389
352d5a3a
LW
2390#ifndef MAXSYSFD
2391# define MAXSYSFD 2
2392#endif
ee0007ab 2393
79072805 2394#ifndef __cplusplus
e1caacb4 2395#ifndef UNDER_CE
20ce7b12
GS
2396Uid_t getuid (void);
2397Uid_t geteuid (void);
2398Gid_t getgid (void);
2399Gid_t getegid (void);
79072805 2400#endif
e1caacb4 2401#endif
8d063cd8 2402
0c30d9ec 2403#ifndef Perl_debug_log
bf49b057
GS
2404# define Perl_debug_log PerlIO_stderr()
2405#endif
2406
2407#ifndef Perl_error_log
2408# define Perl_error_log (PL_stderrgv \
6b78add2 2409 && isGV(PL_stderrgv) \
01bb7c6d 2410 && GvIOp(PL_stderrgv) \
42de951c 2411 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
2412 ? IoOFP(GvIOp(PL_stderrgv)) \
2413 : PerlIO_stderr())
0c30d9ec 2414#endif
3967c732 2415
aea4f609
DM
2416
2417#define DEBUG_p_FLAG 0x00000001 /* 1 */
2418#define DEBUG_s_FLAG 0x00000002 /* 2 */
2419#define DEBUG_l_FLAG 0x00000004 /* 4 */
2420#define DEBUG_t_FLAG 0x00000008 /* 8 */
2421#define DEBUG_o_FLAG 0x00000010 /* 16 */
2422#define DEBUG_c_FLAG 0x00000020 /* 32 */
2423#define DEBUG_P_FLAG 0x00000040 /* 64 */
2424#define DEBUG_m_FLAG 0x00000080 /* 128 */
2425#define DEBUG_f_FLAG 0x00000100 /* 256 */
2426#define DEBUG_r_FLAG 0x00000200 /* 512 */
2427#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2428#define DEBUG_u_FLAG 0x00000800 /* 2048 */
aea4f609
DM
2429#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2430#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2431#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2432#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2433#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2434#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2435#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2436#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2437#define DEBUG_C_FLAG 0x00200000 /*2097152 */
7bab3ede 2438#define DEBUG_MASK 0x003FEFFF /* mask of all the standard flags */
aea4f609
DM
2439
2440#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
2441#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2442 that something was done? */
aea4f609 2443
bd16a5f0
IZ
2444# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2445# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2446# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2447# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2448# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2449# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2450# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2451# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2452# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2453# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2454# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2455# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ
2456# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2457# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2458# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2459# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2460# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2461# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2462# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2463# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2464# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
dd2155a4 2465# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2466
3967c732 2467#ifdef DEBUGGING
aea4f609
DM
2468
2469# undef YYDEBUG
2470# define YYDEBUG 1
2471
bd16a5f0
IZ
2472# define DEBUG_p_TEST DEBUG_p_TEST_
2473# define DEBUG_s_TEST DEBUG_s_TEST_
2474# define DEBUG_l_TEST DEBUG_l_TEST_
2475# define DEBUG_t_TEST DEBUG_t_TEST_
2476# define DEBUG_o_TEST DEBUG_o_TEST_
2477# define DEBUG_c_TEST DEBUG_c_TEST_
2478# define DEBUG_P_TEST DEBUG_P_TEST_
2479# define DEBUG_m_TEST DEBUG_m_TEST_
2480# define DEBUG_f_TEST DEBUG_f_TEST_
2481# define DEBUG_r_TEST DEBUG_r_TEST_
2482# define DEBUG_x_TEST DEBUG_x_TEST_
2483# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ
2484# define DEBUG_H_TEST DEBUG_H_TEST_
2485# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2486# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
2487# define DEBUG_D_TEST DEBUG_D_TEST_
2488# define DEBUG_S_TEST DEBUG_S_TEST_
2489# define DEBUG_T_TEST DEBUG_T_TEST_
2490# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2491# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2492# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2493# define DEBUG_C_TEST DEBUG_C_TEST_
aea4f609
DM
2494
2495# define DEB(a) a
2496# define DEBUG(a) if (PL_debug) a
2497# define DEBUG_p(a) if (DEBUG_p_TEST) a
2498# define DEBUG_s(a) if (DEBUG_s_TEST) a
2499# define DEBUG_l(a) if (DEBUG_l_TEST) a
2500# define DEBUG_t(a) if (DEBUG_t_TEST) a
2501# define DEBUG_o(a) if (DEBUG_o_TEST) a
2502# define DEBUG_c(a) if (DEBUG_c_TEST) a
2503# define DEBUG_P(a) if (DEBUG_P_TEST) a
2504
969058bb
VK
2505 /* Temporarily turn off memory debugging in case the a
2506 * does memory allocation, either directly or indirectly. */
acfe0abc 2507# define DEBUG_m(a) \
0b250b9e 2508 STMT_START { \
aea4f609 2509 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2510 } STMT_END
aea4f609 2511
5f80b19c
AMS
2512# define DEBUG__(t, a) \
2513 STMT_START { \
2514 if (t) STMT_START {a;} STMT_END; \
2515 } STMT_END
2516
2517# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2518# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2519# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2520# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS
2521# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2522# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2523# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2524# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2525
3db8f154 2526# define DEBUG_S(a)
aea4f609 2527
5f80b19c
AMS
2528# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2529# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2530# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2531# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
aea4f609
DM
2532
2533#else /* DEBUGGING */
2534
2535# define DEBUG_p_TEST (0)
2536# define DEBUG_s_TEST (0)
2537# define DEBUG_l_TEST (0)
2538# define DEBUG_t_TEST (0)
2539# define DEBUG_o_TEST (0)
2540# define DEBUG_c_TEST (0)
2541# define DEBUG_P_TEST (0)
2542# define DEBUG_m_TEST (0)
2543# define DEBUG_f_TEST (0)
2544# define DEBUG_r_TEST (0)
2545# define DEBUG_x_TEST (0)
2546# define DEBUG_u_TEST (0)
aea4f609
DM
2547# define DEBUG_H_TEST (0)
2548# define DEBUG_X_TEST (0)
dd2155a4 2549# define DEBUG_Xv_TEST (0)
aea4f609
DM
2550# define DEBUG_D_TEST (0)
2551# define DEBUG_S_TEST (0)
2552# define DEBUG_T_TEST (0)
04932ac8 2553# define DEBUG_R_TEST (0)
1045810a 2554# define DEBUG_J_TEST (0)
d6721266 2555# define DEBUG_v_TEST (0)
46187eeb 2556# define DEBUG_C_TEST (0)
aea4f609
DM
2557
2558# define DEB(a)
2559# define DEBUG(a)
2560# define DEBUG_p(a)
2561# define DEBUG_s(a)
2562# define DEBUG_l(a)
2563# define DEBUG_t(a)
2564# define DEBUG_o(a)
2565# define DEBUG_c(a)
2566# define DEBUG_P(a)
2567# define DEBUG_m(a)
2568# define DEBUG_f(a)
2569# define DEBUG_r(a)
2570# define DEBUG_x(a)
2571# define DEBUG_u(a)
aea4f609
DM
2572# define DEBUG_H(a)
2573# define DEBUG_X(a)
dd2155a4 2574# define DEBUG_Xv(a)
aea4f609
DM
2575# define DEBUG_D(a)
2576# define DEBUG_S(a)
2577# define DEBUG_T(a)
04932ac8 2578# define DEBUG_R(a)
d6721266 2579# define DEBUG_v(a)
46187eeb 2580# define DEBUG_C(a)
aea4f609
DM
2581#endif /* DEBUGGING */
2582
2583
d1be9408 2584/* These constants should be used in preference to raw characters
14befaf4
DM
2585 * when using magic. Note that some perl guts still assume
2586 * certain character properties of these constants, namely that
2587 * isUPPER() and toLOWER() may do useful mappings.
2588 *
2589 * Update the magic_names table in dump.c when adding/amending these
2590 */
2591
2592#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2593#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2594#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2595#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2596#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2597#define PERL_MAGIC_regdata 'D' /* Regex match position data
2598 (@+ and @- vars) */
2599#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2600#define PERL_MAGIC_env 'E' /* %ENV hash */
2601#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2602#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2603#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2604#define PERL_MAGIC_isa 'I' /* @ISA array */
2605#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2606#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2607#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2608#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
2609#define PERL_MAGIC_mutex 'm' /* for lock op */
2610#define PERL_MAGIC_shared 'N' /* Shared between threads */
2611#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
2612#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2613#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2614#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2615#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2616#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2617#define PERL_MAGIC_sig 'S' /* %SIG hash */
2618#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2619#define PERL_MAGIC_taint 't' /* Taintedness */
2620#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2621#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2622#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2623#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 2624#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
2625#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2626#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2627 smart parameter vivification */
2628#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2629#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2630#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2631#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM
2632#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2633
2634
fe14fcc3 2635#define YYMAXDEPTH 300
8d063cd8 2636
a6e633de 2637#ifndef assert /* <assert.h> might have been included somehow */
a446a88f
NIS
2638#ifdef DEBUGGING
2639#define assert(what) DEB( { \
2640 if (!(what)) { \
2641 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2642 __FILE__, __LINE__); \
2643 PerlProc_exit(1); \
2644 }})
2645#else
79072805
LW
2646#define assert(what) DEB( { \
2647 if (!(what)) { \
cea2e8a9 2648 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2649 __FILE__, __LINE__); \
cea2e8a9 2650 PerlProc_exit(1); \
79072805 2651 }})
a6e633de 2652#endif
a446a88f 2653#endif
8d063cd8 2654
450a55e4 2655struct ufuncs {
24f81a43
DM
2656 I32 (*uf_val)(pTHX_ IV, SV*);
2657 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2658 IV uf_index;
450a55e4
LW
2659};
2660
14befaf4 2661/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
2662 * XS code wanting to be backward compatible can do something
2663 * like the following:
c745e42c 2664
24f81a43 2665#ifndef PERL_MG_UFUNC
24f81a43
DM
2666#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2667#endif
2668
2669static PERL_MG_UFUNC(foo_get, index, val)
2670{
2671 sv_setsv(val, ...);
2672 return TRUE;
2673}
2674
2675-- Doug MacEachern
2676
2677*/
2678
fc9c74e6 2679#ifndef PERL_MG_UFUNC
24f81a43 2680#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2681#endif
24f81a43 2682
fe14fcc3 2683/* Fix these up for __STDC__ */
68dc0745 2684#ifndef DONT_DECLARE_STD
20ce7b12 2685char *mktemp (char*);
37bd1396 2686#ifndef atof
20ce7b12 2687double atof (const char*);
a0d0e21e 2688#endif
37bd1396 2689#endif
79072805 2690
352d5a3a 2691#ifndef STANDARD_C
fe14fcc3 2692/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2693Time_t time();
8d063cd8 2694struct tm *gmtime(), *localtime();
092bebab 2695#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
2696char *(strchr)(), *(strrchr)();
2697char *(strcpy)(), *(strcat)();
2698#else
93a17b20 2699char *strchr(), *strrchr();
378cc40b 2700char *strcpy(), *strcat();
9d116dd7 2701#endif
352d5a3a 2702#endif /* ! STANDARD_C */
8d063cd8 2703
79072805
LW
2704
2705#ifdef I_MATH
2706# include <math.h>
2707#else
32f822de 2708START_EXTERN_C
20ce7b12
GS
2709 double exp (double);
2710 double log (double);
2711 double log10 (double);
2712 double sqrt (double);
2713 double frexp (double,int*);
2714 double ldexp (double,int);
2715 double modf (double,double*);
2716 double sin (double);
2717 double cos (double);
2718 double atan2 (double,double);
2719 double pow (double,double);
32f822de 2720END_EXTERN_C
79072805
LW
2721#endif
2722
aa8b85de
JH
2723#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2724# define NV_INF LDBL_INFINITY
2725#endif
2726#if !defined(NV_INF) && defined(DBL_INFINITY)
2727# define NV_INF (NV)DBL_INFINITY
2728#endif
2729#if !defined(NV_INF) && defined(INFINITY)
2730# define NV_INF (NV)INFINITY
2731#endif
2732#if !defined(NV_INF) && defined(INF)
2733# define NV_INF (NV)INF
2734#endif
2735#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2736# define NV_INF (NV)HUGE_VALL
2737#endif
2738#if !defined(NV_INF) && defined(HUGE_VAL)
2739# define NV_INF (NV)HUGE_VAL
2740#endif
2741
2742#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2743# if !defined(NV_NAN) && defined(LDBL_NAN)
2744# define NV_NAN LDBL_NAN
2745# endif
2746# if !defined(NV_NAN) && defined(LDBL_QNAN)
2747# define NV_NAN LDBL_QNAN
2748# endif
2749# if !defined(NV_NAN) && defined(LDBL_SNAN)
2750# define NV_NAN LDBL_SNAN
2751# endif
2752#endif
2753#if !defined(NV_NAN) && defined(DBL_NAN)
2754# define NV_NAN (NV)DBL_NAN
2755#endif
2756#if !defined(NV_NAN) && defined(DBL_QNAN)
2757# define NV_NAN (NV)DBL_QNAN
2758#endif
2759#if !defined(NV_NAN) && defined(DBL_SNAN)
2760# define NV_NAN (NV)DBL_SNAN
2761#endif
2762#if !defined(NV_NAN) && defined(QNAN)
2763# define NV_NAN (NV)QNAN
2764#endif
2765#if !defined(NV_NAN) && defined(SNAN)
2766# define NV_NAN (NV)SNAN
2767#endif
2768#if !defined(NV_NAN) && defined(NAN)
2769# define NV_NAN (NV)NAN
2770#endif
2771
a0d0e21e 2772#ifndef __cplusplus
8f1f23e8 2773# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2774char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2775# else
fd8cd3a3 2776# if !defined(WIN32) && !defined(VMS)
10bc17b6 2777#ifndef crypt
20ce7b12 2778char *crypt (const char*, const char*);
10bc17b6 2779#endif
5014db98 2780# endif /* !WIN32 */
8f1f23e8 2781# endif /* !NeXT && !__NeXT__ */
26618a56
GS
2782# ifndef DONT_DECLARE_STD
2783# ifndef getenv
20ce7b12 2784char *getenv (const char*);
26618a56 2785# endif /* !getenv */
28ca6303 2786# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2787# ifdef _FILE_OFFSET_BITS
28ca6303 2788# if _FILE_OFFSET_BITS == 64
20ce7b12 2789Off_t lseek (int,Off_t,int);
0fc67700
JH
2790# endif
2791# endif
bf0c440f 2792# endif
26618a56 2793# endif /* !DONT_DECLARE_STD */
10bc17b6 2794#ifndef getlogin
20ce7b12 2795char *getlogin (void);
10bc17b6 2796#endif
26618a56 2797#endif /* !__cplusplus */
79072805 2798
16d20bd9 2799#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2800#define UNLINK unlnk
20ce7b12 2801I32 unlnk (char*);
8d063cd8 2802#else
80252599 2803#define UNLINK PerlLIO_unlink
8d063cd8 2804#endif
a687059c 2805
fa0a29af
JH
2806/* some versions of glibc are missing the setresuid() proto */
2807#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
2808int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2809#endif
fa0a29af
JH
2810/* some versions of glibc are missing the setresgid() proto */
2811#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
2812int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2813#endif
2814
fe14fcc3 2815#ifndef HAS_SETREUID
85e6fe83
LW
2816# ifdef HAS_SETRESUID
2817# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2818# define HAS_SETREUID
2819# endif
a687059c 2820#endif
fe14fcc3 2821#ifndef HAS_SETREGID
85e6fe83
LW
2822# ifdef HAS_SETRESGID
2823# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2824# define HAS_SETREGID
2825# endif
a687059c 2826#endif
ee0007ab 2827
d543acb6 2828/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
2829
2830#ifdef HAS_SIGACTION
2831typedef struct sigaction Sigsave_t;
2832#else
2833typedef Sighandler_t Sigsave_t;
2834#endif
2835
ee0007ab
LW
2836#define SCAN_DEF 0
2837#define SCAN_TR 1
2838#define SCAN_REPL 2
79072805
LW
2839
2840#ifdef DEBUGGING
4633a7c4 2841# ifndef register
a0d0e21e
LW
2842# define register
2843# endif
cea2e8a9 2844# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2845#else
cea2e8a9 2846# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
2847#endif
2848
18f739ee 2849#ifdef MYMALLOC
772fe5b3 2850# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
2851# define MALLOC_INIT \
2852 STMT_START { \
2853 PL_malloc_mutex = NULL; \
2854 MUTEX_INIT(&PL_malloc_mutex); \
2855 } STMT_END
2856# define MALLOC_TERM \
2857 STMT_START { \
2858 perl_mutex tmp = PL_malloc_mutex; \
2859 PL_malloc_mutex = NULL; \
2860 MUTEX_DESTROY(&tmp); \
2861 } STMT_END
2862# else
2863# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2864# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2865# endif
18f739ee
IZ
2866#else
2867# define MALLOC_INIT
2868# define MALLOC_TERM
2869#endif
2870
b6d9d515 2871
0cb96387 2872typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2873typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2874typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2875typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2876
940cb80d 2877/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2878#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2879
8f1f23e8
W
2880/* NeXT has problems with crt0.o globals */
2881#if defined(__DYNAMIC__) && \
2882 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2883# if defined(NeXT) || defined(__NeXT)
2884# include <mach-o/dyld.h>
2885# define environ (*environ_pointer)
0c30d9ec 2886EXT char *** environ_pointer;
8f1f23e8 2887# else
82cabb9e 2888# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W
2889# include <crt_externs.h> /* for the env array */
2890# define environ (*_NSGetEnviron())
2891# endif
0c30d9ec 2892# endif
8f1f23e8
W
2893#else
2894 /* VMS and some other platforms don't use the environ array */
13b6e58c 2895# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
2896# if !defined(DONT_DECLARE_STD) || \
2897 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2898 defined(__sgi) || \
d460ef45 2899 defined(__DGUX)
8f1f23e8 2900extern char ** environ; /* environment variables supplied via exec */
a6c40364 2901# endif
8f1f23e8
W
2902# endif
2903#endif
79072805 2904
73c4f7a1
GS
2905START_EXTERN_C
2906
79072805 2907/* handy constants */
22c35a8c 2908EXTCONST char PL_warn_uninit[]
b89fed5f 2909 INIT("Use of uninitialized value%s%s");
22c35a8c 2910EXTCONST char PL_warn_nosemi[]
463ee0b2 2911 INIT("Semicolon seems to be missing");
22c35a8c 2912EXTCONST char PL_warn_reserved[]
463ee0b2 2913 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2914EXTCONST char PL_warn_nl[]
93a17b20 2915 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2916EXTCONST char PL_no_wrongref[]
a0d0e21e 2917 INIT("Can't use %s ref as %s ref");
22c35a8c 2918EXTCONST char PL_no_symref[]
748a9306 2919 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2920EXTCONST char PL_no_usym[]
8990e307 2921 INIT("Can't use an undefined value as %s reference");
22c35a8c 2922EXTCONST char PL_no_aelem[]
93a17b20 2923 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2924EXTCONST char PL_no_helem[]
93a17b20 2925 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2926EXTCONST char PL_no_modify[]
93a17b20 2927 INIT("Modification of a read-only value attempted");
22c35a8c 2928EXTCONST char PL_no_mem[]
93a17b20 2929 INIT("Out of memory!\n");
22c35a8c 2930EXTCONST char PL_no_security[]
463ee0b2 2931 INIT("Insecure dependency in %s%s");
22c35a8c 2932EXTCONST char PL_no_sock_func[]
93a17b20 2933 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2934EXTCONST char PL_no_dir_func[]
93a17b20 2935 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2936EXTCONST char PL_no_func[]
93a17b20 2937 INIT("The %s function is unimplemented");
22c35a8c 2938EXTCONST char PL_no_myglob[]
748a9306 2939 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS
2940EXTCONST char PL_no_localize_ref[]
2941 INIT("Can't localize through a reference");
93a17b20 2942
7575fa06 2943EXTCONST char PL_uuemap[65]
80252599
GS
2944 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2945
2946
79072805 2947#ifdef DOINIT
22c35a8c
GS
2948EXT char *PL_sig_name[] = { SIG_NAME };
2949EXT int PL_sig_num[] = { SIG_NUM };
79072805 2950#else
22c35a8c
GS
2951EXT char *PL_sig_name[];
2952EXT int PL_sig_num[];
79072805
LW
2953#endif
2954
3bd709b1 2955/* fast conversion and case folding tables */
bbce6d69 2956
79072805 2957#ifdef DOINIT
9d116dd7 2958#ifdef EBCDIC
22c35a8c 2959EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
2960 0, 1, 2, 3, 4, 5, 6, 7,
2961 8, 9, 10, 11, 12, 13, 14, 15,
2962 16, 17, 18, 19, 20, 21, 22, 23,
2963 24, 25, 26, 27, 28, 29, 30, 31,
2964 32, 33, 34, 35, 36, 37, 38, 39,
2965 40, 41, 42, 43, 44, 45, 46, 47,
2966 48, 49, 50, 51, 52, 53, 54, 55,
2967 56, 57, 58, 59, 60, 61, 62, 63,
2968 64, 65, 66, 67, 68, 69, 70, 71,
2969 72, 73, 74, 75, 76, 77, 78, 79,
2970 80, 81, 82, 83, 84, 85, 86, 87,
2971 88, 89, 90, 91, 92, 93, 94, 95,
2972 96, 97, 98, 99, 100, 101, 102, 103,
2973 104, 105, 106, 107, 108, 109, 110, 111,
2974 112, 113, 114, 115, 116, 117, 118, 119,
2975 120, 121, 122, 123, 124, 125, 126, 127,
2976 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2977 'H', 'I', 138, 139, 140, 141, 142, 143,
2978 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2979 'Q', 'R', 154, 155, 156, 157, 158, 159,
2980 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2981 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2982 176, 177, 178, 179, 180, 181, 182, 183,
2983 184, 185, 186, 187, 188, 189, 190, 191,
2984 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2985 'h', 'i', 202, 203, 204, 205, 206, 207,
2986 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2987 'q', 'r', 218, 219, 220, 221, 222, 223,
2988 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2989 'y', 'z', 234, 235, 236, 237, 238, 239,
2990 240, 241, 242, 243, 244, 245, 246, 247,
2991 248, 249, 250, 251, 252, 253, 254, 255
2992};
2993#else /* ascii rather than ebcdic */
22c35a8c 2994EXTCONST unsigned char PL_fold[] = {
79072805
LW
2995 0, 1, 2, 3, 4, 5, 6, 7,
2996 8, 9, 10, 11, 12, 13, 14, 15,
2997 16, 17, 18, 19, 20, 21, 22, 23,
2998 24, 25, 26, 27, 28, 29, 30, 31,
2999 32, 33, 34, 35, 36, 37, 38, 39,
3000 40, 41, 42, 43, 44, 45, 46, 47,
3001 48, 49, 50, 51, 52, 53, 54, 55,
3002 56, 57, 58, 59, 60, 61, 62, 63,
3003 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3004 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3005 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3006 'x', 'y', 'z', 91, 92, 93, 94, 95,
3007 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3008 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3009 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3010 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3011 128, 129, 130, 131, 132, 133, 134, 135,
3012 136, 137, 138, 139, 140, 141, 142, 143,
3013 144, 145, 146, 147, 148, 149, 150, 151,
3014 152, 153, 154, 155, 156, 157, 158, 159,
3015 160, 161, 162, 163, 164, 165, 166, 167,
3016 168, 169, 170, 171, 172, 173, 174, 175,
3017 176, 177, 178, 179, 180, 181, 182, 183,
3018 184, 185, 186, 187, 188, 189, 190, 191,
3019 192, 193, 194, 195, 196, 197, 198, 199,
3020 200, 201, 202, 203, 204, 205, 206, 207,
3021 208, 209, 210, 211, 212, 213, 214, 215,
3022 216, 217, 218, 219, 220, 221, 222, 223,
3023 224, 225, 226, 227, 228, 229, 230, 231,
3024 232, 233, 234, 235, 236, 237, 238, 239,
3025 240, 241, 242, 243, 244, 245, 246, 247,
3026 248, 249, 250, 251, 252, 253, 254, 255
3027};
9d116dd7 3028#endif /* !EBCDIC */
79072805 3029#else
22c35a8c 3030EXTCONST unsigned char PL_fold[];
79072805
LW
3031#endif
3032
3033#ifdef DOINIT
22c35a8c 3034EXT unsigned char PL_fold_locale[] = {
79072805
LW
3035 0, 1, 2, 3, 4, 5, 6, 7,
3036 8, 9, 10, 11, 12, 13, 14, 15,
3037 16, 17, 18, 19, 20, 21, 22, 23,
3038 24, 25, 26, 27, 28, 29, 30, 31,
3039 32, 33, 34, 35, 36, 37, 38, 39,
3040 40, 41, 42, 43, 44, 45, 46, 47,
3041 48, 49, 50, 51, 52, 53, 54, 55,
3042 56, 57, 58, 59, 60, 61, 62, 63,
3043 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3044 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3045 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3046 'x', 'y', 'z', 91, 92, 93, 94, 95,
3047 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3048 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3049 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3050 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3051 128, 129, 130, 131, 132, 133, 134, 135,
3052 136, 137, 138, 139, 140, 141, 142, 143,
3053 144, 145, 146, 147, 148, 149, 150, 151,
3054 152, 153, 154, 155, 156, 157, 158, 159,
3055 160, 161, 162, 163, 164, 165, 166, 167,
3056 168, 169, 170, 171, 172, 173, 174, 175,
3057 176, 177, 178, 179, 180, 181, 182, 183,
3058 184, 185, 186, 187, 188, 189, 190, 191,
3059 192, 193, 194, 195, 196, 197, 198, 199,
3060 200, 201, 202, 203, 204, 205, 206, 207,
3061 208, 209, 210, 211, 212, 213, 214, 215,
3062 216, 217, 218, 219, 220, 221, 222, 223,
3063 224, 225, 226, 227, 228, 229, 230, 231,
3064 232, 233, 234, 235, 236, 237, 238, 239,
3065 240, 241, 242, 243, 244, 245, 246, 247,
3066 248, 249, 250, 251, 252, 253, 254, 255
3067};
3068#else
22c35a8c 3069EXT unsigned char PL_fold_locale[];
79072805
LW
3070#endif
3071
3072#ifdef DOINIT
9d116dd7 3073#ifdef EBCDIC
22c35a8c 3074EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
3075 1, 2, 84, 151, 154, 155, 156, 157,
3076 165, 246, 250, 3, 158, 7, 18, 29,
3077 40, 51, 62, 73, 85, 96, 107, 118,
3078 129, 140, 147, 148, 149, 150, 152, 153,
3079 255, 6, 8, 9, 10, 11, 12, 13,
3080 14, 15, 24, 25, 26, 27, 28, 226,
3081 29, 30, 31, 32, 33, 43, 44, 45,
3082 46, 47, 48, 49, 50, 76, 77, 78,
3083 79, 80, 81, 82, 83, 84, 85, 86,
3084 87, 94, 95, 234, 181, 233, 187, 190,
3085 180, 96, 97, 98, 99, 100, 101, 102,
3086 104, 112, 182, 174, 236, 232, 229, 103,
3087 228, 226, 114, 115, 116, 117, 118, 119,
3088 120, 121, 122, 235, 176, 230, 194, 162,
3089 130, 131, 132, 133, 134, 135, 136, 137,
3090 138, 139, 201, 205, 163, 217, 220, 224,
3091 5, 248, 227, 244, 242, 255, 241, 231,
3092 240, 253, 16, 197, 19, 20, 21, 187,
3093 23, 169, 210, 245, 237, 249, 247, 239,
3094 168, 252, 34, 196, 36, 37, 38, 39,
3095 41, 42, 251, 254, 238, 223, 221, 213,
3096 225, 177, 52, 53, 54, 55, 56, 57,
3097 58, 59, 60, 61, 63, 64, 65, 66,
3098 67, 68, 69, 70, 71, 72, 74, 75,
3099 205, 208, 186, 202, 200, 218, 198, 179,
3100 178, 214, 88, 89, 90, 91, 92, 93,
3101 217, 166, 170, 207, 199, 209, 206, 204,
3102 160, 212, 105, 106, 108, 109, 110, 111,
3103 203, 113, 216, 215, 192, 175, 193, 243,
3104 172, 161, 123, 124, 125, 126, 127, 128,
3105 222, 219, 211, 195, 188, 193, 185, 184,
3106 191, 183, 141, 142, 143, 144, 145, 146
3107};
3108#else /* ascii rather than ebcdic */
22c35a8c 3109EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
3110 1, 2, 84, 151, 154, 155, 156, 157,
3111 165, 246, 250, 3, 158, 7, 18, 29,
3112 40, 51, 62, 73, 85, 96, 107, 118,
3113 129, 140, 147, 148, 149, 150, 152, 153,
3114 255, 182, 224, 205, 174, 176, 180, 217,
3115 233, 232, 236, 187, 235, 228, 234, 226,
3116 222, 219, 211, 195, 188, 193, 185, 184,
3117 191, 183, 201, 229, 181, 220, 194, 162,
3118 163, 208, 186, 202, 200, 218, 198, 179,
3119 178, 214, 166, 170, 207, 199, 209, 206,
3120 204, 160, 212, 216, 215, 192, 175, 173,
3121 243, 172, 161, 190, 203, 189, 164, 230,
3122 167, 248, 227, 244, 242, 255, 241, 231,
3123 240, 253, 169, 210, 245, 237, 249, 247,
3124 239, 168, 252, 251, 254, 238, 223, 221,
3125 213, 225, 177, 197, 171, 196, 159, 4,
3126 5, 6, 8, 9, 10, 11, 12, 13,
3127 14, 15, 16, 17, 19, 20, 21, 22,
3128 23, 24, 25, 26, 27, 28, 30, 31,
3129 32, 33, 34, 35, 36, 37, 38, 39,
3130 41, 42, 43, 44, 45, 46, 47, 48,
3131 49, 50, 52, 53, 54, 55, 56, 57,
3132 58, 59, 60, 61, 63, 64, 65, 66,
3133 67, 68, 69, 70, 71, 72, 74, 75,
3134 76, 77, 78, 79, 80, 81, 82, 83,
3135 86, 87, 88, 89, 90, 91, 92, 93,
3136 94, 95, 97, 98, 99, 100, 101, 102,
3137 103, 104, 105, 106, 108, 109, 110, 111,
3138 112, 113, 114, 115, 116, 117, 119, 120,
3139 121, 122, 123, 124, 125, 126, 127, 128,
3140 130, 131, 132, 133, 134, 135, 136, 137,
3141 138, 139, 141, 142, 143, 144, 145, 146
3142};
9d116dd7 3143#endif
79072805 3144#else
22c35a8c 3145EXTCONST unsigned char PL_freq[];
79072805
LW
3146#endif
3147
8990e307
LW
3148#ifdef DEBUGGING
3149#ifdef DOINIT
22c35a8c 3150EXTCONST char* PL_block_type[] = {
8990e307
LW
3151 "NULL",
3152 "SUB",
3153 "EVAL",
3154 "LOOP",
3155 "SUBST",
3156 "BLOCK",
3157};
3158#else
22c35a8c 3159EXTCONST char* PL_block_type[];
8990e307
LW
3160#endif
3161#endif
3162
73c4f7a1
GS
3163END_EXTERN_C
3164
79072805
LW
3165/*****************************************************************************/
3166/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3167/*****************************************************************************/
8990e307 3168/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3169
a0d0e21e
LW
3170#include "perly.h"
3171
fb73857a
PP
3172#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3173
79072805
LW
3174typedef enum {
3175 XOPERATOR,
3176 XTERM,
79072805 3177 XREF,
8990e307 3178 XSTATE,
a0d0e21e 3179 XBLOCK,
09bef843
SB
3180 XATTRBLOCK,
3181 XATTRTERM,
6f33ba73
RGS
3182 XTERMBLOCK,
3183 XTERMORDORDOR /* evil hack */
79072805
LW
3184} expectation;
3185
dc9e4912
GS
3186enum { /* pass one of these to get_vtbl */
3187 want_vtbl_sv,
3188 want_vtbl_env,
3189 want_vtbl_envelem,
3190 want_vtbl_sig,
3191 want_vtbl_sigelem,
3192 want_vtbl_pack,
3193 want_vtbl_packelem,
3194 want_vtbl_dbline,
3195 want_vtbl_isa,
3196 want_vtbl_isaelem,
3197 want_vtbl_arylen,
3198 want_vtbl_glob,
3199 want_vtbl_mglob,
3200 want_vtbl_nkeys,
3201 want_vtbl_taint,
3202 want_vtbl_substr,
3203 want_vtbl_vec,
3204 want_vtbl_pos,
3205 want_vtbl_bm,
3206 want_vtbl_fm,
3207 want_vtbl_uvar,
3208 want_vtbl_defelem,
3209 want_vtbl_regexp,
3210 want_vtbl_collxfrm,
3211 want_vtbl_amagic,
3212 want_vtbl_amagicelem,
dc9e4912 3213 want_vtbl_regdata,
810b8aa5 3214 want_vtbl_regdatum,
7e8c5dac
HS
3215 want_vtbl_backref,
3216 want_vtbl_utf8
dc9e4912
GS
3217};
3218
85e6fe83
LW
3219 /* Note: the lowest 8 bits are reserved for
3220 stuffing into op->op_private */
f3aa04c2 3221#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS
3222#define HINT_INTEGER 0x00000001 /* integer pragma */
3223#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3224#define HINT_LOCALE 0x00000004 /* locale pragma */
3225#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3226/* #define HINT_notused10 0x00000010 */
a0ed51b3 3227 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3228 /* currently defined by vms/vmsish.h */
85e6fe83
LW
3229
3230#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS
3231#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3232#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3233
9cfe5470 3234/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ
3235#define HINT_NEW_INTEGER 0x00001000
3236#define HINT_NEW_FLOAT 0x00002000
3237#define HINT_NEW_BINARY 0x00004000
3238#define HINT_NEW_STRING 0x00008000
3239#define HINT_NEW_RE 0x00010000
3240#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3241
9cfe5470
RGS
3242#define HINT_RE_TAINT 0x00100000 /* re pragma */
3243#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3244
9cfe5470
RGS
3245#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3246#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3247
8fa7688f 3248/* assertions pragma */
06492da6 3249#define HINT_ASSERTING 0x01000000
8fa7688f 3250#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3251
9cfe5470 3252/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH
3253#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3254#define HINT_SORT_QUICKSORT 0x00000001
3255#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3256#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3257
8bfdd7d9 3258/* Various states of the input record separator SV (rs) */
d4cce5f1 3259#define RsSNARF(sv) (! SvOK(sv))
af7d13df
G
3260#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3261#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3262#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3263
128e8167 3264/* A struct for keeping various DEBUGGING related stuff,
ce333219 3265 * neatly packed. Currently only scratch variables for
128e8167
JH
3266 * constructing debug output are included. Needed always,
3267 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH
3268struct perl_debug_pad {
3269 SV pad[3];
3270};
3271
3272#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3273#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3274
56953603 3275/* Enable variables which are pointers to functions */
a2efc822 3276typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS
3277typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3278typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3279 char* strend, char* strbeg, I32 minend,
3280 SV* screamer, void* data, U32 flags);
f722798b
IZ
3281typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3282 char *strpos, char *strend,
3283 U32 flags,
3284 struct re_scream_pos_data_s *d);
3285typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3286typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3287
c76ac1ee 3288typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS
3289typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3290typedef void (*SVFUNC_t) (pTHX_ SV*);
3291typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3292typedef void (*XSINIT_t) (pTHX);
3293typedef void (*ATEXIT_t) (pTHX_ void*);
3294typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3295
22239a37
NIS
3296/* Set up PERLVAR macros for populating structs */
3297#define PERLVAR(var,type) type var;
51371543 3298#define PERLVARA(var,n,type) type var[n];
22239a37 3299#define PERLVARI(var,type,init) type var;
3fe35a81 3300#define PERLVARIC(var,type,init) type var;
22239a37 3301
58a50f62
GS
3302/* Interpreter exitlist entry */
3303typedef struct exitlistentry {
acfe0abc 3304 void (*fn) (pTHX_ void*);
58a50f62
GS
3305 void *ptr;
3306} PerlExitListEntry;
3307
22239a37
NIS
3308#ifdef PERL_GLOBAL_STRUCT
3309struct perl_vars {
7766f137 3310# include "perlvars.h"
22239a37
NIS
3311};
3312
7766f137 3313# ifdef PERL_CORE
533c011a
NIS
3314EXT struct perl_vars PL_Vars;
3315EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS
3316# else /* PERL_CORE */
3317# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3318EXT
7766f137 3319# endif /* WIN32 */
533c011a 3320struct perl_vars *PL_VarsPtr;
7766f137
GS
3321# define PL_Vars (*((PL_VarsPtr) \
3322 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3323# endif /* PERL_CORE */
22239a37
NIS
3324#endif /* PERL_GLOBAL_STRUCT */
3325
acfe0abc 3326#if defined(MULTIPLICITY)
d460ef45 3327/* If we have multiple interpreters define a struct
d4cce5f1 3328 holding variables which must be per-interpreter
d460ef45 3329 If we don't have threads anything that would have
d4cce5f1
NIS
3330 be per-thread is per-interpreter.
3331*/
3332
79072805 3333struct interpreter {
3db8f154 3334# include "thrdvar.h"
7766f137
GS
3335# include "intrpvar.h"
3336/*
3337 * The following is a buffer where new variables must
acfe0abc 3338 * be defined to maintain binary compatibility with previous versions
7766f137
GS
3339 */
3340PERLVARA(object_compatibility,30, char)
49f531da 3341};
d4cce5f1 3342
79072805 3343#else
49f531da
NIS
3344struct interpreter {
3345 char broiled;
3346};
acfe0abc 3347#endif /* MULTIPLICITY */
79072805 3348
22fae026 3349typedef void *Thread;
22239a37
NIS
3350
3351/* Done with PERLVAR macros for now ... */
d4cce5f1 3352#undef PERLVAR
51371543 3353#undef PERLVARA
d4cce5f1 3354#undef PERLVARI
3fe35a81 3355#undef PERLVARIC
79072805 3356
22239a37 3357#include "thread.h"
79072805 3358#include "pp.h"
864dbfa3
GS
3359
3360#ifndef PERL_CALLCONV
3361# define PERL_CALLCONV
d460ef45 3362#endif
864dbfa3 3363
65f19062
GS
3364#ifndef NEXT30_NO_ATTRIBUTE
3365# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3366# ifdef __attribute__ /* Avoid possible redefinition errors */
3367# undef __attribute__
3368# endif
3369# define __attribute__(attr)
3370# endif
3371#endif
3372
0cb96387
GS
3373#undef PERL_CKDEF
3374#undef PERL_PPDEF
3375#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3376#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3377
7766f137 3378#include "proto.h"
864dbfa3 3379
0cb96387 3380/* this has structure inits, so it cannot be included before here */
acfe0abc 3381#include "opcode.h"
864dbfa3 3382
d4cce5f1
NIS
3383/* The following must follow proto.h as #defines mess up syntax */
3384
22c35a8c
GS
3385#if !defined(PERL_FOR_X2P)
3386# include "embedvar.h"
3387#endif
d4cce5f1 3388
d460ef45 3389/* Now include all the 'global' variables
d4cce5f1 3390 * If we don't have threads or multiple interpreters
d460ef45 3391 * these include variables that would have been their struct-s
d4cce5f1 3392 */
d460ef45 3393
533c011a 3394#define PERLVAR(var,type) EXT type PL_##var;
51371543 3395#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS
3396#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3397#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3398
acfe0abc 3399#if !defined(MULTIPLICITY)
7766f137 3400START_EXTERN_C
066ef5b5 3401# include "intrpvar.h"
3db8f154 3402# include "thrdvar.h"
7766f137 3403END_EXTERN_C
22239a37
NIS
3404#endif
3405
acfe0abc 3406#if defined(WIN32)
66a93824 3407/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3408# include "embed.h"
acfe0abc 3409#endif
22239a37 3410
c5be433b
GS
3411#ifndef PERL_GLOBAL_STRUCT
3412START_EXTERN_C
3413
3414# include "perlvars.h"
3415
3416END_EXTERN_C
3417#endif
3418
d4cce5f1 3419#undef PERLVAR
51371543 3420#undef PERLVARA
d4cce5f1 3421#undef PERLVARI
0f3f18a6 3422#undef PERLVARIC
79072805 3423
73c4f7a1
GS
3424START_EXTERN_C
3425
79072805 3426#ifdef DOINIT
bbce6d69 3427
68795e93 3428EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS
3429 MEMBER_TO_FPTR(Perl_magic_set),
3430 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3431 0, 0};
2b260de0
GS
3432EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3433 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3434 0};
2b260de0
GS
3435EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3436 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3437 0};
22c35a8c 3438EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH
3439#ifdef PERL_MICRO
3440EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3441#else
2b260de0
GS
3442EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3443 MEMBER_TO_FPTR(Perl_magic_setsig),
3444 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3445 0};
64ca3a65 3446#endif
68795e93
NIS
3447EXT MGVTBL PL_vtbl_pack = {0, 0,
3448 MEMBER_TO_FPTR(Perl_magic_sizepack),
3449 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3450 0};
2b260de0 3451EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3452 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3453 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3454 0};
2b260de0 3455EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3456 0, 0, 0};
2b260de0
GS
3457EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3458 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3459 0};
2b260de0 3460EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3461 0, 0, 0};
2b260de0
GS
3462EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3463 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3464 0, 0, 0};
2b260de0
GS
3465EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3466 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3467 0, 0, 0};
2b260de0 3468EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3469 0, 0, 0};
2b260de0
GS
3470EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3471 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3472 0, 0, 0};
68795e93
NIS
3473EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3474 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3475 0, 0, 0};
68795e93
NIS
3476EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3477 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3478 0, 0, 0};
2b260de0 3479EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3480 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3481 0, 0, 0};
2b260de0
GS
3482EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3483 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3484 0, 0, 0};
2b260de0 3485EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3486 0, 0, 0};
2b260de0 3487EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3488 0, 0, 0};
2b260de0
GS
3489EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3490 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3491 0, 0, 0};
68795e93
NIS
3492EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3493 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3494 0, 0, 0};
a0d0e21e 3495
faf82a0b 3496EXT MGVTBL PL_vtbl_regexp = {0, MEMBER_TO_FPTR(Perl_magic_setregexp),0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
2b260de0 3497EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG
3498EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3499 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3500
36477c24 3501#ifdef USE_LOCALE_COLLATE
22c35a8c 3502EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3503 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69
PP
3504 0, 0, 0};
3505#endif
a0d0e21e 3506
2b260de0
GS
3507EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3508 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3509EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3510 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3511
810b8aa5 3512EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3513 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3514
d460ef45
NIS
3515EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3516 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3517
7e8c5dac
HS
3518EXT MGVTBL PL_vtbl_utf8 = {0,
3519 MEMBER_TO_FPTR(Perl_magic_setutf8),
3520 0, 0, 0};
3521
bbce6d69
PP
3522#else /* !DOINIT */
3523
22c35a8c
GS
3524EXT MGVTBL PL_vtbl_sv;
3525EXT MGVTBL PL_vtbl_env;
3526EXT MGVTBL PL_vtbl_envelem;
3527EXT MGVTBL PL_vtbl_sig;
3528EXT MGVTBL PL_vtbl_sigelem;
3529EXT MGVTBL PL_vtbl_pack;
3530EXT MGVTBL PL_vtbl_packelem;
3531EXT MGVTBL PL_vtbl_dbline;
3532EXT MGVTBL PL_vtbl_isa;
3533EXT MGVTBL PL_vtbl_isaelem;
3534EXT MGVTBL PL_vtbl_arylen;
3535EXT MGVTBL PL_vtbl_glob;
3536EXT MGVTBL PL_vtbl_mglob;
3537EXT MGVTBL PL_vtbl_nkeys;
3538EXT MGVTBL PL_vtbl_taint;
3539EXT MGVTBL PL_vtbl_substr;
3540EXT MGVTBL PL_vtbl_vec;
3541EXT MGVTBL PL_vtbl_pos;
3542EXT MGVTBL PL_vtbl_bm;
3543EXT MGVTBL PL_vtbl_fm;
3544EXT MGVTBL PL_vtbl_uvar;
d460ef45 3545EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3546
22c35a8c
GS
3547EXT MGVTBL PL_vtbl_defelem;
3548EXT MGVTBL PL_vtbl_regexp;
3549EXT MGVTBL PL_vtbl_regdata;
3550EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3551
36477c24 3552#ifdef USE_LOCALE_COLLATE
22c35a8c 3553EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3554#endif
a0d0e21e 3555
22c35a8c
GS
3556EXT MGVTBL PL_vtbl_amagic;
3557EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3558
810b8aa5 3559EXT MGVTBL PL_vtbl_backref;
7e8c5dac 3560EXT MGVTBL PL_vtbl_utf8;
810b8aa5 3561
bbce6d69 3562#endif /* !DOINIT */
85e6fe83 3563
f5284f61
IZ
3564enum {
3565 fallback_amg, abs_amg,
3566 bool__amg, nomethod_amg,
3567 string_amg, numer_amg,
3568 add_amg, add_ass_amg,
3569 subtr_amg, subtr_ass_amg,
3570 mult_amg, mult_ass_amg,
3571 div_amg, div_ass_amg,
3572 modulo_amg, modulo_ass_amg,
3573 pow_amg, pow_ass_amg,
3574 lshift_amg, lshift_ass_amg,
3575 rshift_amg, rshift_ass_amg,
3576 band_amg, band_ass_amg,
3577 bor_amg, bor_ass_amg,
3578 bxor_amg, bxor_ass_amg,
3579 lt_amg, le_amg,
3580 gt_amg, ge_amg,
3581 eq_amg, ne_amg,
3582 ncmp_amg, scmp_amg,
3583 slt_amg, sle_amg,
3584 sgt_amg, sge_amg,
3585 seq_amg, sne_amg,
3586 not_amg, compl_amg,
3587 inc_amg, dec_amg,
3588 atan2_amg, cos_amg,
3589 sin_amg, exp_amg,
3590 log_amg, sqrt_amg,
3591 repeat_amg, repeat_ass_amg,
3592 concat_amg, concat_ass_amg,
3593 copy_amg, neg_amg,
3594 to_sv_amg, to_av_amg,
3595 to_hv_amg, to_gv_amg,
d460ef45 3596 to_cv_amg, iter_amg,
f216259d
IZ
3597 int_amg, DESTROY_amg,
3598 max_amg_code
64a0062a 3599 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ
3600};
3601
3602#define NofAMmeth max_amg_code
89ffc314 3603#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3604
a0d0e21e 3605#ifdef DOINIT
22c35a8c 3606EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ
3607 /* Names kept in the symbol table. fallback => "()", the rest has
3608 "(" prepended. The only other place in perl which knows about
3609 this convention is AMG_id2name (used for debugging output and
3610 'nomethod' only), the only other place which has it hardwired is
3611 overload.pm. */
3612 "()", "(abs", /* "fallback" should be the first. */
3613 "(bool", "(nomethod",
3614 "(\"\"", "(0+",
3615 "(+", "(+=",
3616 "(-", "(-=",
3617 "(*", "(*=",
3618 "(/", "(/=",
3619 "(%", "(%=",
3620 "(**", "(**=",
3621 "(<<", "(<<=",
3622 "(>>", "(>>=",
3623 "(&", "(&=",
3624 "(|", "(|=",
3625 "(^", "(^=",
3626 "(<", "(<=",
3627 "(>", "(>=",
3628 "(==", "(!=",
3629 "(<=>", "(cmp",
3630 "(lt", "(le",
3631 "(gt", "(ge",
3632 "(eq", "(ne",
3633 "(!", "(~",
3634 "(++", "(--",
3635 "(atan2", "(cos",
3636 "(sin", "(exp",
3637 "(log", "(sqrt",
3638 "(x", "(x=",
3639 "(.", "(.=",
3640 "(=", "(neg",
3641 "(${}", "(@{}",
3642 "(%{}", "(*{}",
3643 "(&{}", "(<>",
f216259d 3644 "(int", "DESTROY",
a0d0e21e
LW
3645};
3646#else
22c35a8c 3647EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW
3648#endif /* def INITAMAGIC */
3649
73c4f7a1
GS
3650END_EXTERN_C
3651
a6006777 3652struct am_table {
eb160463 3653 U32 was_ok_sub;
a0d0e21e 3654 long was_ok_am;
a6006777
PP
3655 U32 flags;
3656 CV* table[NofAMmeth];
a0d0e21e
LW
3657 long fallback;
3658};
a6006777 3659struct am_table_short {
eb160463 3660 U32 was_ok_sub;
a6006777
PP
3661 long was_ok_am;
3662 U32 flags;
3663};
a0d0e21e 3664typedef struct am_table AMT;
a6006777 3665typedef struct am_table_short AMTS;
a0d0e21e
LW
3666
3667#define AMGfallNEVER 1
3668#define AMGfallNO 2
3669#define AMGfallYES 3
3670
a6006777 3671#define AMTf_AMAGIC 1
32251b26 3672#define AMTf_OVERLOADED 2
a6006777
PP
3673#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3674#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3675#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ
3676#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3677#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3678#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3679
32251b26 3680#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH
3681
3682/*
3683 * some compilers like to redefine cos et alia as faster
3684 * (and less accurate?) versions called F_cos et cetera (Quidquid
3685 * latine dictum sit, altum viditur.) This trick collides with
3686 * the Perl overloading (amg). The following #defines fool both.
3687 */
3688
3689#ifdef _FASTMATH
3690# ifdef atan2
3691# define F_atan2_amg atan2_amg
3692# endif
3693# ifdef cos
3694# define F_cos_amg cos_amg
3695# endif
3696# ifdef exp
3697# define F_exp_amg exp_amg
3698# endif
3699# ifdef log
3700# define F_log_amg log_amg
3701# endif
3702# ifdef pow
3703# define F_pow_amg pow_amg
3704# endif
3705# ifdef sin
3706# define F_sin_amg sin_amg
3707# endif
3708# ifdef sqrt
3709# define F_sqrt_amg sqrt_amg
3710# endif
3711#endif /* _FASTMATH */
3712
83ee9e09
GS
3713#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3714 PERLDBf_NOOPT | PERLDBf_INTER | \
3715 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF
3716 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
3717 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS
3718#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3719#define PERLDBf_LINE 0x02 /* Keep line # */
3720#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3721#define PERLDBf_INTER 0x08 /* Preserve more data for
3722 later inspections */
3723#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3724#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3725#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3726#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3727#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3728#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 3729#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 3730
3280af22
NIS
3731#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3732#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3733#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3734#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3735#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3736#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3737#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3738#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS
3739#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3740#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 3741#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 3742
36477c24 3743#ifdef USE_LOCALE_NUMERIC
bbce6d69 3744
36477c24 3745#define SET_NUMERIC_STANDARD() \
ff4fed7c 3746 set_numeric_standard();
36477c24
PP
3747
3748#define SET_NUMERIC_LOCAL() \
ff4fed7c 3749 set_numeric_local();
bbce6d69