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a0d0e21e 1/* perl.h
a687059c 2 *
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3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 * 2000, 2001, 2002, 2003, by Larry Wall and others
a687059c 5 *
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6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
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11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
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14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
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21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
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25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
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29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
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35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
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40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
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43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
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47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
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51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
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53# endif
54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
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58# define MULTIPLICITY
59# endif
60#endif
61
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62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
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66#endif
67
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68/* undef WIN32 when building on Cygwin (for libwin32) - gph */
69#ifdef __CYGWIN__
70# undef WIN32
71# undef _WIN32
72#endif
73
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74/* Use the reentrant APIs like localtime_r and getpwent_r */
75/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
9366f0ec 76#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(__APPLE__)
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77# define USE_REENTRANT_API
78#endif
79
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80/* <--- here ends the logic shared by perl.h and makedef.pl */
81
c5be433b 82#ifdef PERL_IMPLICIT_CONTEXT
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83# ifndef MULTIPLICITY
84# define MULTIPLICITY
c5be433b 85# endif
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86# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
87# define aTHX my_perl
88# define dTHXa(a) pTHX = (PerlInterpreter*)a
fd89de3a 89# define dTHX pTHX = PERL_GET_THX
c5be433b 90# define pTHX_ pTHX,
c5be433b 91# define aTHX_ aTHX,
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92# define pTHX_1 2
93# define pTHX_2 3
94# define pTHX_3 4
95# define pTHX_4 5
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96#endif
97
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98#define STATIC static
99#define CPERLscope(x) x
565764a8 100#define CPERLarg void
76e3520e 101#define CPERLarg_
e3b8966e 102#define _CPERLarg
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103#define PERL_OBJECT_THIS
104#define _PERL_OBJECT_THIS
105#define PERL_OBJECT_THIS_
312caa8e 106#define CALL_FPTR(fptr) (*fptr)
76e3520e 107
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108#define CALLRUNOPS CALL_FPTR(PL_runops)
109#define CALLREGCOMP CALL_FPTR(PL_regcompp)
110#define CALLREGEXEC CALL_FPTR(PL_regexecp)
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111#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
112#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
113#define CALLREGFREE CALL_FPTR(PL_regfree)
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114
115#ifdef PERL_FLEXIBLE_EXCEPTIONS
116# define CALLPROTECT CALL_FPTR(PL_protect)
117#endif
312caa8e 118
44dbb695 119#ifdef HASATTRIBUTE
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120# if defined(__GNUC__) && defined(__cplusplus)
121# define PERL_UNUSED_DECL
122# else
123# define PERL_UNUSED_DECL __attribute__((unused))
124# endif
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125#else
126# define PERL_UNUSED_DECL
127#endif
128
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129/* gcc -Wall:
130 * for silencing unused variables that are actually used most of the time,
131 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
132 */
133#define PERL_UNUSED_VAR(var) if (0) var = var
134
0cb96387 135#define NOOP (void)0
44dbb695 136#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 137
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138#ifndef pTHX
139# define pTHX void
140# define pTHX_
0cb96387
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141# define aTHX
142# define aTHX_
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143# define dTHXa(a) dNOOP
144# define dTHX dNOOP
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145# define pTHX_1 1
146# define pTHX_2 2
147# define pTHX_3 3
148# define pTHX_4 4
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149#endif
150
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151/* these are only defined for compatibility; should not be used internally */
152#if !defined(pTHXo) && !defined(PERL_CORE)
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153# define pTHXo pTHX
154# define pTHXo_ pTHX_
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155# define aTHXo aTHX
156# define aTHXo_ aTHX_
c5be433b 157# define dTHXo dTHX
71d280e3 158# define dTHXoa(x) dTHXa(x)
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159#endif
160
161#ifndef pTHXx
162# define pTHXx register PerlInterpreter *my_perl
163# define pTHXx_ pTHXx,
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164# define aTHXx my_perl
165# define aTHXx_ aTHXx,
c5be433b 166# define dTHXx dTHX
22c35a8c 167#endif
71be2cbc 168
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169/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
170 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
171 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
172#ifdef PERL_IMPLICIT_SYS
173# define dTHXs dTHX
174#else
175# define dTHXs dNOOP
176#endif
177
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178#undef START_EXTERN_C
179#undef END_EXTERN_C
180#undef EXTERN_C
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181#ifdef __cplusplus
182# define START_EXTERN_C extern "C" {
183# define END_EXTERN_C }
184# define EXTERN_C extern "C"
185#else
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186# define START_EXTERN_C
187# define END_EXTERN_C
73c4f7a1 188# define EXTERN_C extern
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189#endif
190
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191#ifdef OP_IN_REGISTER
192# ifdef __GNUC__
193# define stringify_immed(s) #s
194# define stringify(s) stringify_immed(s)
d1ca3daa 195register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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196# endif
197#endif
198
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199/*
200 * STMT_START { statements; } STMT_END;
201 * can be used as a single statement, as in
202 * if (x) STMT_START { ... } STMT_END; else ...
203 *
204 * Trying to select a version that gives no warnings...
205 */
206#if !(defined(STMT_START) && defined(STMT_END))
93189314 207# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(PERL_GCC_PEDANTIC) && !defined(__cplusplus)
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208# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
209# define STMT_END )
210# else
211 /* Now which other defined()s do we need here ??? */
93189314 212# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
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213# define STMT_START if (1)
214# define STMT_END else (void)0
215# else
216# define STMT_START do
217# define STMT_END while (0)
218# endif
219# endif
220#endif
221
0cb96387 222#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 223#define WITH_THR(s) WITH_THX(s)
ea0efc06 224
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225/*
226 * SOFT_CAST can be used for args to prototyped functions to retain some
227 * type checking; it only casts if the compiler does not know prototypes.
228 */
229#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
230#define SOFT_CAST(type)
231#else
232#define SOFT_CAST(type) (type)
233#endif
79072805 234
6ee623d5 235#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
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236# define BYTEORDER 0x1234
237#endif
238
239/* Overall memory policy? */
240#ifndef CONSERVATIVE
241# define LIBERAL 1
242#endif
243
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244#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
245#define ASCIIish
246#else
247#undef ASCIIish
248#endif
249
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250/*
251 * The following contortions are brought to you on behalf of all the
252 * standards, semi-standards, de facto standards, not-so-de-facto standards
253 * of the world, as well as all the other botches anyone ever thought of.
254 * The basic theory is that if we work hard enough here, the rest of the
255 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
256 */
ac58e20f 257
ee0007ab 258/* define this once if either system, instead of cluttering up the src */
2986a63f 259#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
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260#define DOSISH 1
261#endif
262
2986a63f 263#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
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264# define STANDARD_C 1
265#endif
266
2986a63f 267#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
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268# define DONT_DECLARE_STD 1
269#endif
270
352d5a3a 271#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 272# ifdef __cplusplus
cb69f87a 273# define VOL /* to temporarily suppress warnings */
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274# else
275# define VOL volatile
276# endif
663a0e37 277#else
79072805 278# define VOL
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279#endif
280
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281#define TAINT (PL_tainted = TRUE)
282#define TAINT_NOT (PL_tainted = FALSE)
283#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
284#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 285#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 286
d460ef45 287/* XXX All process group stuff is handled in pp_sys.c. Should these
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288 defines move there? If so, I could simplify this a lot. --AD 9/96.
289*/
290/* Process group stuff changed from traditional BSD to POSIX.
291 perlfunc.pod documents the traditional BSD-style syntax, so we'll
292 try to preserve that, if possible.
293*/
294#ifdef HAS_SETPGID
295# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 296#else
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297# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
298# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
299# else
300# ifdef HAS_SETPGRP2 /* DG/UX */
301# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
302# endif
303# endif
304#endif
305#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
306# define HAS_SETPGRP /* Well, effectively it does . . . */
307#endif
308
309/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
310 our life easier :-) so we'll try it.
311*/
312#ifdef HAS_GETPGID
313# define BSD_GETPGRP(pid) getpgid((pid))
314#else
315# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
316# define BSD_GETPGRP(pid) getpgrp((pid))
317# else
318# ifdef HAS_GETPGRP2 /* DG/UX */
319# define BSD_GETPGRP(pid) getpgrp2((pid))
320# endif
321# endif
322#endif
323#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
324# define HAS_GETPGRP /* Well, effectively it does . . . */
325#endif
326
d460ef45 327/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
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328 have different behaviors, but perl.h used to define USE_BSDPGRP
329 (prior to 5.003_05) so some extension might depend on it.
330*/
331#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
332# ifndef USE_BSDPGRP
333# define USE_BSDPGRP
334# endif
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335#endif
336
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337/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
338 pthread.h must be included before all other header files.
339*/
3db8f154 340#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
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341# include <pthread.h>
342#endif
343
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344#ifndef _TYPES_ /* If types.h defines this it's easy. */
345# ifndef major /* Does everyone's types.h define this? */
346# include <sys/types.h>
c07a80fd 347# endif
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348#endif
349
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350#ifdef __cplusplus
351# ifndef I_STDARG
352# define I_STDARG 1
353# endif
354#endif
355
356#ifdef I_STDARG
357# include <stdarg.h>
358#else
359# ifdef I_VARARGS
360# include <varargs.h>
361# endif
362#endif
363
4633a7c4 364#ifdef USE_NEXT_CTYPE
0c30d9ec 365
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366#if NX_CURRENT_COMPILER_RELEASE >= 500
367# include <bsd/ctypes.h>
368#else
369# if NX_CURRENT_COMPILER_RELEASE >= 400
370# include <objc/NXCType.h>
371# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
372# include <appkit/NXCType.h>
373# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
374#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
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375
376#else /* !USE_NEXT_CTYPE */
fe14fcc3 377#include <ctype.h>
0c30d9ec 378#endif /* USE_NEXT_CTYPE */
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379
380#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
381#undef METHOD
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382#endif
383
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384#ifdef PERL_MICRO
385# define NO_LOCALE
386#endif
387
4633a7c4 388#ifdef I_LOCALE
36477c24 389# include <locale.h>
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390#endif
391
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392#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
393# define USE_LOCALE
394# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
395 && defined(HAS_STRXFRM)
396# define USE_LOCALE_COLLATE
397# endif
398# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
399# define USE_LOCALE_CTYPE
400# endif
401# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
402# define USE_LOCALE_NUMERIC
403# endif
404#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 405
fe14fcc3 406#include <setjmp.h>
79072805 407
a0d0e21e 408#ifdef I_SYS_PARAM
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409# ifdef PARAM_NEEDS_TYPES
410# include <sys/types.h>
411# endif
412# include <sys/param.h>
352d5a3a 413#endif
79072805 414
79072805 415/* Use all the "standard" definitions? */
a0d0e21e 416#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 417# include <stdlib.h>
ff68c719 418#endif
03a14243 419
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420/* If this causes problems, set i_unistd=undef in the hint file. */
421#ifdef I_UNISTD
422# include <unistd.h>
423#endif
424
7114a2d2 425#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
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426int syscall(int, ...);
427#endif
428
7114a2d2 429#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 430int usleep(unsigned int);
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431#endif
432
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433#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
434# define MYSWAP
435#endif
436
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437/* Cannot include embed.h here on Win32 as win32.h has not
438 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
439 */
96e176bf 440#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
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441# include "embed.h"
442#endif
443
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444#define MEM_SIZE Size_t
445
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446#if defined(STANDARD_C) && defined(I_STDDEF)
447# include <stddef.h>
448# define STRUCT_OFFSET(s,m) offsetof(s,m)
449#else
450# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
451#endif
452
453#if defined(I_STRING) || defined(__cplusplus)
454# include <string.h>
455#else
456# include <strings.h>
457#endif
458
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459/* This comes after <stdlib.h> so we don't try to change the standard
460 * library prototypes; we'll use our own in proto.h instead. */
03a14243 461
4633a7c4 462#ifdef MYMALLOC
86058a2d 463# ifdef PERL_POLLUTE_MALLOC
ee13e175 464# ifndef PERL_EXTMALLOC_DEF
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465# define Perl_malloc malloc
466# define Perl_calloc calloc
467# define Perl_realloc realloc
468# define Perl_mfree free
ee13e175 469# endif
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470# else
471# define EMBEDMYMALLOC /* for compatibility */
472# endif
993c6a59 473START_EXTERN_C
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474Malloc_t Perl_malloc (MEM_SIZE nbytes);
475Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
476Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
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477/* 'mfree' rather than 'free', since there is already a 'perl_free'
478 * that causes clashes with case-insensitive linkers */
20ce7b12 479Free_t Perl_mfree (Malloc_t where);
993c6a59 480END_EXTERN_C
55497cff 481
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482typedef struct perl_mstats perl_mstats_t;
483
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484# define safemalloc Perl_malloc
485# define safecalloc Perl_calloc
486# define saferealloc Perl_realloc
487# define safefree Perl_mfree
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488#else /* MYMALLOC */
489# define safemalloc safesysmalloc
490# define safecalloc safesyscalloc
491# define saferealloc safesysrealloc
492# define safefree safesysfree
55497cff 493#endif /* MYMALLOC */
4633a7c4 494
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495#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
496#define strchr index
497#define strrchr rindex
498#endif
499
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500#ifdef I_MEMORY
501# include <memory.h>
502#endif
503
fe14fcc3 504#ifdef HAS_MEMCPY
85e6fe83 505# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 506# ifndef memcpy
20ce7b12 507 extern char * memcpy (char*, char*, int);
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508# endif
509# endif
510#else
511# ifndef memcpy
512# ifdef HAS_BCOPY
513# define memcpy(d,s,l) bcopy(s,d,l)
514# else
515# define memcpy(d,s,l) my_bcopy(s,d,l)
516# endif
517# endif
518#endif /* HAS_MEMCPY */
fe14fcc3 519
ee0007ab 520#ifdef HAS_MEMSET
85e6fe83 521# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 522# ifndef memset
20ce7b12 523 extern char *memset (char*, int, int);
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524# endif
525# endif
ee0007ab 526#else
12ae5dfc 527# undef memset
fc36a67e 528# define memset(d,c,l) my_memset(d,c,l)
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529#endif /* HAS_MEMSET */
530
85e6fe83 531#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 532# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
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533# define memmove(d,s,l) bcopy(s,d,l)
534# else
2304df62 535# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 536# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 537# else
79072805 538# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 539# endif
352d5a3a 540# endif
d9d8d8de 541#endif
ee0007ab 542
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PP
543#if defined(mips) && defined(ultrix) && !defined(__STDC__)
544# undef HAS_MEMCMP
545#endif
546
547#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 548# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 549# ifndef memcmp
20ce7b12 550 extern int memcmp (char*, char*, int);
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551# endif
552# endif
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553# ifdef BUGGY_MSC
554 # pragma function(memcmp)
555# endif
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556#else
557# ifndef memcmp
ecfc5424 558# define memcmp my_memcmp
352d5a3a 559# endif
36477c24 560#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 561
fc36a67e 562#ifndef memzero
c635e13b
PP
563# ifdef HAS_MEMSET
564# define memzero(d,l) memset(d,0,l)
79072805 565# else
c635e13b
PP
566# ifdef HAS_BZERO
567# define memzero(d,l) bzero(d,l)
79072805 568# else
fc36a67e 569# define memzero(d,l) my_bzero(d,l)
79072805
LW
570# endif
571# endif
d9d8d8de 572#endif
378cc40b 573
0f27ced1
JH
574#ifndef memchr
575# ifndef HAS_MEMCHR
576# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
577# endif
578#endif
579
36477c24
PP
580#ifndef HAS_BCMP
581# ifndef bcmp
582# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 583# endif
36477c24 584#endif /* !HAS_BCMP */
378cc40b 585
ae986130 586#ifdef I_NETINET_IN
79072805 587# include <netinet/in.h>
ae986130
LW
588#endif
589
28e8609d
JH
590#ifdef I_ARPA_INET
591# include <arpa/inet.h>
592#endif
593
84902520
TB
594#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
595/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
596 * (the neo-BSD seem to do this). */
597# undef SF_APPEND
598#endif
599
1aef975c 600#ifdef I_SYS_STAT
84902520 601# include <sys/stat.h>
1aef975c 602#endif
79072805 603
a0d0e21e
LW
604/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
605 like UTekV) are broken, sometimes giving false positives. Undefine
606 them here and let the code below set them to proper values.
607
608 The ghs macro stands for GreenHills Software C-1.8.5 which
609 is the C compiler for sysV88 and the various derivatives.
610 This header file bug is corrected in gcc-2.5.8 and later versions.
611 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
612
613#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
614# undef S_ISDIR
615# undef S_ISCHR
616# undef S_ISBLK
617# undef S_ISREG
618# undef S_ISFIFO
619# undef S_ISLNK
ee0007ab 620#endif
135863df 621
663a0e37
LW
622#ifdef I_TIME
623# include <time.h>
ffed7fef 624#endif
663a0e37 625
fe14fcc3 626#ifdef I_SYS_TIME
85e6fe83 627# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
628# define KERNEL
629# endif
630# include <sys/time.h>
85e6fe83 631# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
632# undef KERNEL
633# endif
a687059c 634#endif
135863df 635
55497cff 636#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 637# include <sys/times.h>
d9d8d8de 638#endif
8d063cd8 639
fe14fcc3 640#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 641# undef HAS_STRERROR
663a0e37
LW
642#endif
643
644#include <errno.h>
1e743fda 645
acfe0abc 646#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
647# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
648#endif
649
4e0554ec
JH
650/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */
651#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
652# define _SOCKADDR_LEN
653#endif
654
8d3f517a 655#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
656# include <sys/socket.h>
657# if defined(USE_SOCKS) && defined(I_SOCKS)
658# if !defined(INCLUDE_PROTOTYPES)
659# define INCLUDE_PROTOTYPES /* for <socks.h> */
660# define PERL_SOCKS_NEED_PROTOTYPES
661# endif
662# include <socks.h>
663# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
664# undef INCLUDE_PROTOTYPES
665# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 666# endif
d460ef45 667# endif
1e743fda 668# ifdef I_NETDB
2986a63f
JH
669# ifdef NETWARE
670# include<stdio.h>
671# endif
1e743fda
JH
672# include <netdb.h>
673# endif
674# ifndef ENOTSOCK
675# ifdef I_NET_ERRNO
676# include <net/errno.h>
677# endif
678# endif
679#endif
680
fa0a29af 681/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 682 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 683#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH
684int sockatmark(int);
685#endif
686
1e743fda
JH
687#ifdef SETERRNO
688# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 689#endif
f86702cc
PP
690
691#ifdef VMS
692# define SETERRNO(errcode,vmserrcode) \
693 STMT_START { \
694 set_errno(errcode); \
695 set_vaxc_errno(vmserrcode); \
696 } STMT_END
93189314
JH
697# define LIB_INVARG LIB$_INVARG
698# define RMS_DIR RMS$_DIR
699# define RMS_FAC RMS$_FAC
700# define RMS_FEX RMS$_FEX
701# define RMS_FNF RMS$_FNF
702# define RMS_IFI RMS$_IFI
703# define RMS_ISI RMS$_ISI
704# define RMS_PRV RMS$_PRV
705# define SS_ACCVIO SS$_ACCVIO
706# define SS_DEVOFFLINE SS$_DEVOFFLINE
707# define SS_IVCHAN SS$_IVCHAN
708# define SS_NORMAL SS$_NORMAL
748a9306 709#else
aba27d88 710# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
711# define LIB_INVARG 0
712# define RMS_DIR 0
713# define RMS_FAC 0
714# define RMS_FEX 0
715# define RMS_FNF 0
716# define RMS_IFI 0
717# define RMS_ISI 0
718# define RMS_PRV 0
719# define SS_ACCVIO 0
720# define SS_DEVOFFLINE 0
721# define SS_IVCHAN 0
722# define SS_NORMAL 0
748a9306 723#endif
ed6116ce 724
3db8f154
MB
725#define ERRSV GvSV(PL_errgv)
726#define DEFSV GvSV(PL_defgv)
727#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 728
98eae8f5
GS
729#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
730
55497cff 731#ifndef errno
5ff3f7a4
GS
732 extern int errno; /* ANSI allows errno to be an lvalue expr.
733 * For example in multithreaded environments
734 * something like this might happen:
735 * extern int *_errno(void);
736 * #define errno (*_errno()) */
d9d8d8de 737#endif
663a0e37 738
2304df62 739#ifdef HAS_STRERROR
a0d0e21e 740# ifdef VMS
20ce7b12 741 char *strerror (int,...);
a0d0e21e 742# else
68dc0745 743#ifndef DONT_DECLARE_STD
20ce7b12 744 char *strerror (int);
68dc0745 745#endif
a0d0e21e 746# endif
2304df62
AD
747# ifndef Strerror
748# define Strerror strerror
749# endif
750#else
751# ifdef HAS_SYS_ERRLIST
79072805
LW
752 extern int sys_nerr;
753 extern char *sys_errlist[];
2304df62
AD
754# ifndef Strerror
755# define Strerror(e) \
79072805 756 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 757# endif
79072805 758# endif
35c8bce7 759#endif
663a0e37 760
2304df62 761#ifdef I_SYS_IOCTL
79072805
LW
762# ifndef _IOCTL_
763# include <sys/ioctl.h>
764# endif
a687059c
LW
765#endif
766
ee0007ab 767#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
768# ifdef HAS_SOCKETPAIR
769# undef HAS_SOCKETPAIR
770# endif
2304df62
AD
771# ifdef I_NDBM
772# undef I_NDBM
79072805 773# endif
a687059c
LW
774#endif
775
02fc2eee
NC
776#ifndef HAS_SOCKETPAIR
777# ifdef HAS_SOCKET
778# define socketpair Perl_my_socketpair
779# endif
780#endif
781
a687059c 782#if INTSIZE == 2
79072805
LW
783# define htoni htons
784# define ntohi ntohs
a687059c 785#else
79072805
LW
786# define htoni htonl
787# define ntohi ntohl
a687059c
LW
788#endif
789
a0d0e21e 790/* Configure already sets Direntry_t */
35c8bce7 791#if defined(I_DIRENT)
663a0e37 792# include <dirent.h>
8f1f23e8
W
793 /* NeXT needs dirent + sys/dir.h */
794# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
795# include <sys/dir.h>
796# endif
ae986130 797#else
fe14fcc3 798# ifdef I_SYS_NDIR
79a0689e 799# include <sys/ndir.h>
663a0e37 800# else
fe14fcc3 801# ifdef I_SYS_DIR
79a0689e
LW
802# ifdef hp9000s500
803# include <ndir.h> /* may be wrong in the future */
804# else
805# include <sys/dir.h>
806# endif
663a0e37
LW
807# endif
808# endif
4633a7c4 809#endif
a687059c 810
12ae5dfc
JH
811#ifdef PERL_MICRO
812# ifndef DIR
813# define DIR void
814# endif
815#endif
816
352d5a3a
LW
817#ifdef FPUTS_BOTCH
818/* work around botch in SunOS 4.0.1 and 4.0.2 */
819# ifndef fputs
79072805 820# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
821# endif
822#endif
823
c623bd54
LW
824/*
825 * The following gobbledygook brought to you on behalf of __STDC__.
826 * (I could just use #ifndef __STDC__, but this is more bulletproof
827 * in the face of half-implementations.)
828 */
829
7114a2d2 830#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
831#include <sys/mode.h>
832#endif
833
c623bd54
LW
834#ifndef S_IFMT
835# ifdef _S_IFMT
836# define S_IFMT _S_IFMT
837# else
838# define S_IFMT 0170000
839# endif
840#endif
841
842#ifndef S_ISDIR
843# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
844#endif
845
846#ifndef S_ISCHR
847# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
848#endif
849
850#ifndef S_ISBLK
fe14fcc3
LW
851# ifdef S_IFBLK
852# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
853# else
854# define S_ISBLK(m) (0)
855# endif
c623bd54
LW
856#endif
857
858#ifndef S_ISREG
859# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
860#endif
861
862#ifndef S_ISFIFO
fe14fcc3
LW
863# ifdef S_IFIFO
864# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
865# else
866# define S_ISFIFO(m) (0)
867# endif
c623bd54
LW
868#endif
869
870#ifndef S_ISLNK
871# ifdef _S_ISLNK
872# define S_ISLNK(m) _S_ISLNK(m)
873# else
874# ifdef _S_IFLNK
875# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
876# else
877# ifdef S_IFLNK
878# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
879# else
880# define S_ISLNK(m) (0)
881# endif
882# endif
883# endif
884#endif
885
886#ifndef S_ISSOCK
887# ifdef _S_ISSOCK
888# define S_ISSOCK(m) _S_ISSOCK(m)
889# else
890# ifdef _S_IFSOCK
891# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
892# else
893# ifdef S_IFSOCK
894# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
895# else
896# define S_ISSOCK(m) (0)
897# endif
898# endif
899# endif
900#endif
901
902#ifndef S_IRUSR
903# ifdef S_IREAD
904# define S_IRUSR S_IREAD
905# define S_IWUSR S_IWRITE
906# define S_IXUSR S_IEXEC
907# else
908# define S_IRUSR 0400
909# define S_IWUSR 0200
910# define S_IXUSR 0100
911# endif
fac7cdfc 912#endif
913
914#ifndef S_IRGRP
915# ifdef S_IRUSR
916# define S_IRGRP (S_IRUSR>>3)
917# define S_IWGRP (S_IWUSR>>3)
918# define S_IXGRP (S_IXUSR>>3)
919# else
920# define S_IRGRP 0040
921# define S_IWGRP 0020
922# define S_IXGRP 0010
923# endif
924#endif
925
926#ifndef S_IROTH
927# ifdef S_IRUSR
928# define S_IROTH (S_IRUSR>>6)
929# define S_IWOTH (S_IWUSR>>6)
930# define S_IXOTH (S_IXUSR>>6)
931# else
932# define S_IROTH 0040
933# define S_IWOTH 0020
934# define S_IXOTH 0010
935# endif
c623bd54
LW
936#endif
937
938#ifndef S_ISUID
939# define S_ISUID 04000
940#endif
941
942#ifndef S_ISGID
943# define S_ISGID 02000
944#endif
945
ca6e1c26
JH
946#ifndef S_IRWXU
947# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 948#endif
ca6e1c26
JH
949
950#ifndef S_IRWXG
951# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 952#endif
ca6e1c26
JH
953
954#ifndef S_IRWXO
955# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 956#endif
ca6e1c26 957
c21fb2b8
JH
958/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
959 * which would get included through <sys/file.h >, but that is 3000
960 * lines in the future. --jhi */
961
962#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
963# define S_IREAD S_IRUSR
964#endif
965
c21fb2b8 966#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
967# define S_IWRITE S_IWUSR
968#endif
969
970#ifndef S_IEXEC
971# define S_IEXEC S_IXUSR
972#endif
973
79072805
LW
974#ifdef ff_next
975# undef ff_next
352d5a3a
LW
976#endif
977
a0d0e21e 978#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
979# define SLOPPYDIVIDE
980#endif
981
748a9306
LW
982#ifdef UV
983#undef UV
984#endif
985
c89df6bf
JH
986#ifdef SPRINTF_E_BUG
987# define sprintf UTS_sprintf_wrap
988#endif
989
c495e728
JH
990/* Configure gets this right but the UTS compiler gets it wrong.
991 -- Hal Morris <hom00@utsglobal.com> */
992#ifdef UTS
993# undef UVTYPE
994# define UVTYPE unsigned
995#endif
996
05f13f53 997/*
27d4fb96
PP
998 The IV type is supposed to be long enough to hold any integral
999 value or a pointer.
1000 --Andy Dougherty August 1996
1001*/
1002
a22e52b9
JH
1003typedef IVTYPE IV;
1004typedef UVTYPE UV;
8175356b 1005
10cc9d2a 1006#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1007# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1008# define IV_MAX INT64_MAX
1009# define IV_MIN INT64_MIN
1010# define UV_MAX UINT64_MAX
cae7ae48
JH
1011# ifndef UINT64_MIN
1012# define UINT64_MIN 0
1013# endif
5ff3f7a4
GS
1014# define UV_MIN UINT64_MIN
1015# else
1016# define IV_MAX PERL_QUAD_MAX
1017# define IV_MIN PERL_QUAD_MIN
1018# define UV_MAX PERL_UQUAD_MAX
1019# define UV_MIN PERL_UQUAD_MIN
1020# endif
cf2093f6
JH
1021# define IV_IS_QUAD
1022# define UV_IS_QUAD
79072805 1023#else
8175356b 1024# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1025# define IV_MAX INT32_MAX
1026# define IV_MIN INT32_MIN
716026f9
DL
1027# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1028# define UV_MAX UINT32_MAX
1029# else
1030# define UV_MAX 4294967295U
1031# endif
cae7ae48
JH
1032# ifndef UINT32_MIN
1033# define UINT32_MIN 0
1034# endif
5ff3f7a4
GS
1035# define UV_MIN UINT32_MIN
1036# else
1037# define IV_MAX PERL_LONG_MAX
1038# define IV_MIN PERL_LONG_MIN
1039# define UV_MAX PERL_ULONG_MAX
1040# define UV_MIN PERL_ULONG_MIN
1041# endif
8175356b 1042# if IVSIZE == 8
cf2093f6
JH
1043# define IV_IS_QUAD
1044# define UV_IS_QUAD
de1c2614
JH
1045# ifndef HAS_QUAD
1046# define HAS_QUAD
1047# endif
cf2093f6
JH
1048# else
1049# undef IV_IS_QUAD
1050# undef UV_IS_QUAD
de1c2614 1051# undef HAS_QUAD
cf2093f6 1052# endif
79072805 1053#endif
d7d93a81 1054
6cde8aec 1055#if defined(uts) || defined(UTS)
11afe549
HM
1056# undef UV_MAX
1057# define UV_MAX (4294967295u)
20601011
JH
1058#endif
1059
cae7ae48 1060#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1061#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1062
28e5dec8 1063#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1064#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1065#endif
1066
d460ef45 1067/*
26bb67e2
JH
1068 * The macros INT2PTR and NUM2PTR are (despite their names)
1069 * bi-directional: they will convert int/float to or from pointers.
1070 * However the conversion to int/float are named explicitly:
1071 * PTR2IV, PTR2UV, PTR2NV.
1072 *
1073 * For int conversions we do not need two casts if pointers are
1074 * the same size as IV and UV. Otherwise we need an explicit
1075 * cast (PTRV) to avoid compiler warnings.
1076 */
56431972
RB
1077#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1078# define PTRV UV
1079# define INT2PTR(any,d) (any)(d)
1080#else
d460ef45 1081# if PTRSIZE == LONGSIZE
56431972 1082# define PTRV unsigned long
42718184 1083# else
56431972 1084# define PTRV unsigned
42718184 1085# endif
56431972 1086# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1087#endif
56431972
RB
1088#define NUM2PTR(any,d) (any)(PTRV)(d)
1089#define PTR2IV(p) INT2PTR(IV,p)
1090#define PTR2UV(p) INT2PTR(UV,p)
1091#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1092#if PTRSIZE == LONGSIZE
d2560b70
RB
1093# define PTR2ul(p) (unsigned long)(p)
1094#else
1095# define PTR2ul(p) INT2PTR(unsigned long,p)
1096#endif
d460ef45 1097
65202027 1098#ifdef USE_LONG_DOUBLE
1048ea30
JH
1099# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1100# define LONG_DOUBLE_EQUALS_DOUBLE
1101# endif
68d4903c 1102# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1103# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1104# endif
1105#endif
1106
2d4389e4
JH
1107#ifdef OVR_DBL_DIG
1108/* Use an overridden DBL_DIG */
1109# ifdef DBL_DIG
1110# undef DBL_DIG
1111# endif
1112# define DBL_DIG OVR_DBL_DIG
1113#else
1114/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1115 default value for printing floating point numbers in Gconvert
1116 (see config.h). (It also has other uses, such as figuring out if
1117 a given precision of printing can be done with a double instead of
1118 a long double - Allen).
2d4389e4
JH
1119*/
1120#ifdef I_LIMITS
1121#include <limits.h>
1122#endif
1123#ifdef I_FLOAT
1124#include <float.h>
1125#endif
1126#ifndef HAS_DBL_DIG
1127#define DBL_DIG 15 /* A guess that works lots of places */
1128#endif
1129#endif
cbca01e1
JH
1130#ifdef I_FLOAT
1131#include <float.h>
1132#endif
1133#ifndef HAS_DBL_DIG
1134#define DBL_DIG 15 /* A guess that works lots of places */
1135#endif
2d4389e4
JH
1136
1137#ifdef OVR_LDBL_DIG
1138/* Use an overridden LDBL_DIG */
1139# ifdef LDBL_DIG
1140# undef LDBL_DIG
1141# endif
1142# define LDBL_DIG OVR_LDBL_DIG
1143#else
1144/* The following is all to get LDBL_DIG, in order to pick a nice
1145 default value for printing floating point numbers in Gconvert.
1146 (see config.h)
1147*/
68d4903c
JH
1148# ifdef I_LIMITS
1149# include <limits.h>
1150# endif
1151# ifdef I_FLOAT
1152# include <float.h>
1153# endif
1154# ifndef HAS_LDBL_DIG
1155# if LONG_DOUBLESIZE == 10
1156# define LDBL_DIG 18 /* assume IEEE */
1157# else
1158# if LONG_DOUBLESIZE == 12
1159# define LDBL_DIG 18 /* gcc? */
1160# else
1161# if LONG_DOUBLESIZE == 16
1162# define LDBL_DIG 33 /* assume IEEE */
1163# else
1164# if LONG_DOUBLESIZE == DOUBLESIZE
1165# define LDBL_DIG DBL_DIG /* bummer */
1166# endif
1167# endif
1168# endif
1169# endif
1170# endif
2d4389e4
JH
1171#endif
1172
20f6aaab
AS
1173/*
1174 * This is for making sure we have a good DBL_MAX value, if possible,
1175 * either for usage as NV_MAX or for usage in figuring out if we can
1176 * fit a given long double into a double, if bug-fixing makes it
1177 * necessary to do so. - Allen <allens@cpan.org>
1178 */
1179
205f51d8
AS
1180#ifdef I_LIMITS
1181# include <limits.h>
20f6aaab
AS
1182#endif
1183
205f51d8
AS
1184#ifdef I_VALUES
1185# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1186# include <values.h>
1187# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1188# define DBL_MAX MAXDOUBLE
1189# endif
1190# if defined(MINDOUBLE) && !defined(DBL_MIN)
1191# define DBL_MIN MINDOUBLE
1192# endif
1193# endif
1194#endif /* defined(I_VALUES) */
1195
a22e52b9 1196typedef NVTYPE NV;
8175356b 1197
792d8dab
JH
1198#ifdef I_IEEEFP
1199# include <ieeefp.h>
1200#endif
923fc586 1201
65202027 1202#ifdef USE_LONG_DOUBLE
923fc586
JH
1203# ifdef I_SUNMATH
1204# include <sunmath.h>
1205# endif
2d4389e4 1206# define NV_DIG LDBL_DIG
d6c14000
JH
1207# ifdef LDBL_MANT_DIG
1208# define NV_MANT_DIG LDBL_MANT_DIG
1209# endif
06fc1729
JH
1210# ifdef LDBL_MIN
1211# define NV_MIN LDBL_MIN
1212# endif
1213# ifdef LDBL_MAX
1214# define NV_MAX LDBL_MAX
1215# endif
1216# ifdef LDBL_MIN_10_EXP
1217# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1218# endif
1219# ifdef LDBL_MAX_10_EXP
1220# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1221# endif
1222# ifdef LDBL_EPSILON
1223# define NV_EPSILON LDBL_EPSILON
1224# endif
f4a14a62
JH
1225# ifdef LDBL_MAX
1226# define NV_MAX LDBL_MAX
20f6aaab 1227/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1228# else
1229# ifdef HUGE_VALL
1230# define NV_MAX HUGE_VALL
1231# else
1232# ifdef HUGE_VAL
1233# define NV_MAX ((NV)HUGE_VAL)
1234# endif
1235# endif
1236# endif
68d4903c 1237# ifdef HAS_SQRTL
68d4903c
JH
1238# define Perl_cos cosl
1239# define Perl_sin sinl
1240# define Perl_sqrt sqrtl
1241# define Perl_exp expl
1242# define Perl_log logl
1243# define Perl_atan2 atan2l
1244# define Perl_pow powl
1245# define Perl_floor floorl
1246# define Perl_fmod fmodl
1247# endif
a3540c92
JH
1248/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1249# ifdef HAS_MODFL
1250# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1251/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1252 prototype in <math.h> */
1253# ifndef HAS_MODFL_PROTO
1254long double modfl(long double, long double *);
1255# endif
03476e8e
JH
1256# else
1257# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1258 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1259# define Perl_modf(x,y) Perl_my_modfl(x,y)
1260# endif
a3540c92
JH
1261# endif
1262# ifdef HAS_FREXPL
dff3e0b8 1263# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1264# else
1265# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1266 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1267# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1268# endif
a3540c92 1269# endif
38dbb4c5 1270# ifndef Perl_isnan
758a5d79
JH
1271# ifdef HAS_ISNANL
1272# define Perl_isnan(x) isnanl(x)
1273# endif
1274# endif
1275# ifndef Perl_isinf
1276# ifdef HAS_FINITEL
1277# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1278# endif
1279# endif
65202027 1280#else
2d4389e4 1281# define NV_DIG DBL_DIG
d6c14000
JH
1282# ifdef DBL_MANT_DIG
1283# define NV_MANT_DIG DBL_MANT_DIG
1284# endif
06fc1729
JH
1285# ifdef DBL_MIN
1286# define NV_MIN DBL_MIN
1287# endif
1288# ifdef DBL_MAX
1289# define NV_MAX DBL_MAX
1290# endif
1291# ifdef DBL_MIN_10_EXP
1292# define NV_MIN_10_EXP DBL_MIN_10_EXP
1293# endif
1294# ifdef DBL_MAX_10_EXP
1295# define NV_MAX_10_EXP DBL_MAX_10_EXP
1296# endif
1297# ifdef DBL_EPSILON
1298# define NV_EPSILON DBL_EPSILON
1299# endif
205f51d8 1300# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1301# define NV_MAX DBL_MAX
1302# define NV_MIN DBL_MIN
1303# else
1304# ifdef HUGE_VAL
1305# define NV_MAX HUGE_VAL
1306# endif
1307# endif
65202027
DS
1308# define Perl_cos cos
1309# define Perl_sin sin
1310# define Perl_sqrt sqrt
1311# define Perl_exp exp
1312# define Perl_log log
1313# define Perl_atan2 atan2
1314# define Perl_pow pow
1315# define Perl_floor floor
65202027 1316# define Perl_fmod fmod
a3540c92 1317# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1318# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1319#endif
1320
1321/* rumor has it that Win32 has _fpclass() */
1322
205f51d8
AS
1323/* SGI has fpclassl... but not with the same result values,
1324 * and it's via a typedef (not via #define), so will need to redo Configure
1325 * to use. Not worth the trouble, IMO, at least until the below is used
1326 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1327 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1328 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1329
758a5d79
JH
1330#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1331# ifdef I_IEEFP
1332# include <ieeefp.h>
1333# endif
1334# ifdef I_FP
1335# include <fp.h>
1336# endif
1337# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1338# define Perl_fp_class() fpclassl(x)
1339# else
1340# define Perl_fp_class() fpclass(x)
1341# endif
1342# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1343# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1344# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1345# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1346# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1347# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1348# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1349# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1350# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1351# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1352# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1353# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1354# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1355# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1356# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1357#endif
1358
7114a2d2 1359#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1360# include <math.h>
1361# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1362# include <fp_class.h>
1363# endif
1364# define Perl_fp_class(x) fp_class(x)
1365# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1366# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1367# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1368# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1369# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1370# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1371# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1372# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1373# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1374# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1375# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1376# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1377# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1378# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1379# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1380#endif
1381
1382#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1383# include <math.h>
1384# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1385# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1386# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1387# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1388# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1389# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1390#endif
1391
1392#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1393# include <math.h>
1394# ifndef _cplusplus
1395# define Perl_fp_class(x) class(x)
1396# else
1397# define Perl_fp_class(x) _class(x)
1398# endif
1399# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1400# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1401# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1402# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1403# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1404# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1405# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1406# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1407# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1408# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1409# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1410# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1411# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1412# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1413# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1414#endif
1415
1416/* rumor has it that Win32 has _isnan() */
1417
1418#ifndef Perl_isnan
a3540c92 1419# ifdef HAS_ISNAN
758a5d79
JH
1420# define Perl_isnan(x) isnan((NV)x)
1421# else
1422# ifdef Perl_fp_class_nan
1423# define Perl_isnan(x) Perl_fp_class_nan(x)
1424# else
1425# ifdef HAS_UNORDERED
1426# define Perl_isnan(x) unordered((x), 0.0)
1427# else
1428# define Perl_isnan(x) ((x)!=(x))
1429# endif
1430# endif
1431# endif
1432#endif
1433
ca6c63e1
JH
1434#ifdef UNDER_CE
1435int isnan(double d);
1436#endif
1437
758a5d79
JH
1438#ifndef Perl_isinf
1439# ifdef HAS_ISINF
1440# define Perl_isinf(x) isinf((NV)x)
a3540c92 1441# else
758a5d79
JH
1442# ifdef Perl_fp_class_inf
1443# define Perl_isinf(x) Perl_fp_class_inf(x)
1444# else
1445# define Perl_isinf(x) ((x)==NV_INF)
1446# endif
1447# endif
1448#endif
1449
1450#ifndef Perl_isfinite
1451# ifdef HAS_FINITE
1452# define Perl_isfinite(x) finite((NV)x)
1453# else
1454# ifdef HAS_ISFINITE
1455# define Perl_isfinite(x) isfinite(x)
1456# else
1457# ifdef Perl_fp_class_finite
1458# define Perl_isfinite(x) Perl_fp_class_finite(x)
1459# else
1460# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1461# endif
1462# endif
a3540c92 1463# endif
65202027
DS
1464#endif
1465
a36244b7
JH
1466/* The default is to use Perl's own atof() implementation (in numeric.c).
1467 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1468 * it is however best to use the native implementation of atof.
1469 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1470 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
1471 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1472 * you may need to be using a different function than atof! */
a36244b7
JH
1473
1474#ifndef USE_PERL_ATOF
1475# ifndef _UNICOS
1476# define USE_PERL_ATOF
1477# endif
1478#else
1479# if USE_PERL_ATOF == 0
1480# undef USE_PERL_ATOF
1481# endif
1482#endif
1483
1484#ifdef USE_PERL_ATOF
1485# define Perl_atof(s) Perl_my_atof(s)
1486# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1487#else
1488# define Perl_atof(s) (NV)atof(s)
1489# define Perl_atof2(s, n) ((n) = atof(s))
1490#endif
cf2093f6 1491
d460ef45 1492/* Previously these definitions used hardcoded figures.
760ac839
LW
1493 * It is hoped these formula are more portable, although
1494 * no data one way or another is presently known to me.
1495 * The "PERL_" names are used because these calculated constants
1496 * do not meet the ANSI requirements for LONG_MAX, etc., which
1497 * need to be constants acceptable to #if - kja
1498 * define PERL_LONG_MAX 2147483647L
1499 * define PERL_LONG_MIN (-LONG_MAX - 1)
1500 * define PERL ULONG_MAX 4294967295L
1501 */
1502
1503#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1504# include <limits.h>
760ac839 1505#endif
205f51d8
AS
1506/* Included values.h above if necessary; still including limits.h down here,
1507 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1508
99abf803
PP
1509/*
1510 * Try to figure out max and min values for the integral types. THE CORRECT
1511 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1512 * following hacks are used if neither limits.h or values.h provide them:
1513 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1514 * for types < int: (unsigned TYPE)~(unsigned)0
1515 * The argument to ~ must be unsigned so that later signed->unsigned
1516 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1517 * and it must not be smaller than int because ~ does integral promotion.
1518 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1519 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1520 * The latter is a hack which happens to work on some machines but
1521 * does *not* catch any random system, or things like integer types
1522 * with NaN if that is possible.
1523 *
1524 * All of the types are explicitly cast to prevent accidental loss of
1525 * numeric range, and in the hope that they will be less likely to confuse
1526 * over-eager optimizers.
1527 *
1528 */
27d4fb96 1529
99abf803
PP
1530#define PERL_UCHAR_MIN ((unsigned char)0)
1531
1532#ifdef UCHAR_MAX
1533# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1534#else
99abf803
PP
1535# ifdef MAXUCHAR
1536# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1537# else
99abf803 1538# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
1539# endif
1540#endif
d460ef45 1541
99abf803
PP
1542/*
1543 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1544 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1545 * depending on local options. Until Configure detects this (or at least
1546 * detects whether the "signed" keyword is available) the CHAR ranges
1547 * will not be included. UCHAR functions normally.
1548 * - kja
1549 */
27d4fb96 1550
99abf803
PP
1551#define PERL_USHORT_MIN ((unsigned short)0)
1552
1553#ifdef USHORT_MAX
1554# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1555#else
99abf803
PP
1556# ifdef MAXUSHORT
1557# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1558# else
ef2f54b0
CB
1559# ifdef USHRT_MAX
1560# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1561# else
1562# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1563# endif
27d4fb96
PP
1564# endif
1565#endif
1566
27d4fb96 1567#ifdef SHORT_MAX
99abf803 1568# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
1569#else
1570# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1571# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1572# else
ef2f54b0
CB
1573# ifdef SHRT_MAX
1574# define PERL_SHORT_MAX ((short)SHRT_MAX)
1575# else
1576# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1577# endif
27d4fb96
PP
1578# endif
1579#endif
1580
1581#ifdef SHORT_MIN
99abf803 1582# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
1583#else
1584# ifdef MINSHORT
99abf803 1585# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1586# else
ef2f54b0
CB
1587# ifdef SHRT_MIN
1588# define PERL_SHORT_MIN ((short)SHRT_MIN)
1589# else
1590# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1591# endif
27d4fb96
PP
1592# endif
1593#endif
1594
99abf803
PP
1595#ifdef UINT_MAX
1596# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1597#else
99abf803
PP
1598# ifdef MAXUINT
1599# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1600# else
99abf803 1601# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
1602# endif
1603#endif
1604
99abf803 1605#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
1606
1607#ifdef INT_MAX
99abf803 1608# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
1609#else
1610# ifdef MAXINT /* Often used in <values.h> */
99abf803 1611# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1612# else
99abf803 1613# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
1614# endif
1615#endif
1616
1617#ifdef INT_MIN
99abf803 1618# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
1619#else
1620# ifdef MININT
99abf803 1621# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
1622# else
1623# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1624# endif
1625#endif
1626
99abf803
PP
1627#ifdef ULONG_MAX
1628# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1629#else
99abf803
PP
1630# ifdef MAXULONG
1631# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1632# else
99abf803 1633# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
1634# endif
1635#endif
1636
99abf803 1637#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1638
760ac839 1639#ifdef LONG_MAX
99abf803 1640# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
1641#else
1642# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1643# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1644# else
99abf803 1645# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
1646# endif
1647#endif
1648
1649#ifdef LONG_MIN
99abf803 1650# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
1651#else
1652# ifdef MINLONG
99abf803 1653# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1654# else
27d4fb96 1655# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
1656# endif
1657#endif
1658
d7d93a81 1659#ifdef UV_IS_QUAD
99abf803 1660
99abf803 1661# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1662# define PERL_UQUAD_MIN ((UV)0)
99abf803 1663# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1664# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1665
79072805
LW
1666#endif
1667
880b20b6
IZ
1668struct perl_mstats {
1669 UV *nfree;
1670 UV *ntotal;
1671 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1672 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1673 IV minbucket;
1674 /* Level 1 info */
1675 UV *bucket_mem_size;
1676 UV *bucket_available_size;
1677 UV nbuckets;
1678};
830247a4 1679struct RExC_state_t;
880b20b6 1680
ee0007ab 1681typedef MEM_SIZE STRLEN;
450a55e4 1682
79072805
LW
1683typedef struct op OP;
1684typedef struct cop COP;
1685typedef struct unop UNOP;
1686typedef struct binop BINOP;
1687typedef struct listop LISTOP;
1688typedef struct logop LOGOP;
79072805
LW
1689typedef struct pmop PMOP;
1690typedef struct svop SVOP;
7934575e 1691typedef struct padop PADOP;
79072805 1692typedef struct pvop PVOP;
79072805
LW
1693typedef struct loop LOOP;
1694
93a17b20 1695typedef struct interpreter PerlInterpreter;
d2b3f365
SS
1696
1697/* Amdahl's <ksync.h> has struct sv */
1698/* SGI's <sys/sema.h> has struct sv */
1699#if defined(UTS) || defined(__sgi)
1700# define STRUCT_SV perl_sv
b8d3c5db
JH
1701#else
1702# define STRUCT_SV sv
1703#endif
1704typedef struct STRUCT_SV SV;
79072805
LW
1705typedef struct av AV;
1706typedef struct hv HV;
1707typedef struct cv CV;
378cc40b 1708typedef struct regexp REGEXP;
79072805 1709typedef struct gp GP;
0c30d9ec 1710typedef struct gv GV;
8990e307 1711typedef struct io IO;
c09156bb 1712typedef struct context PERL_CONTEXT;
79072805
LW
1713typedef struct block BLOCK;
1714
1715typedef struct magic MAGIC;
ed6116ce 1716typedef struct xrv XRV;
79072805
LW
1717typedef struct xpv XPV;
1718typedef struct xpviv XPVIV;
ff68c719 1719typedef struct xpvuv XPVUV;
79072805
LW
1720typedef struct xpvnv XPVNV;
1721typedef struct xpvmg XPVMG;
1722typedef struct xpvlv XPVLV;
1723typedef struct xpvav XPVAV;
1724typedef struct xpvhv XPVHV;
1725typedef struct xpvgv XPVGV;
1726typedef struct xpvcv XPVCV;
1727typedef struct xpvbm XPVBM;
1728typedef struct xpvfm XPVFM;
8990e307 1729typedef struct xpvio XPVIO;
79072805
LW
1730typedef struct mgvtbl MGVTBL;
1731typedef union any ANY;
5f7fde29
GS
1732typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1733typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
1734typedef struct clone_params CLONE_PARAMS;
1735
8d063cd8 1736
378cc40b 1737#include "handy.h"
a0d0e21e 1738
6b8eaf93 1739#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
1740# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1741# define USE_64_BIT_RAWIO /* implicit */
1742# endif
4564133c
JH
1743#endif
1744
6b8eaf93
JH
1745/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1746 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1747 * however, because operating systems like to do that themself. */
1748#ifndef FSEEKSIZE
1749# ifdef HAS_FSEEKO
1750# define FSEEKSIZE LSEEKSIZE
1751# else
1752# define FSEEKSIZE LONGSIZE
d460ef45 1753# endif
6b8eaf93
JH
1754#endif
1755
1756#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
1757# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1758# define USE_64_BIT_STDIO /* implicit */
1759# endif
1760#endif
4564133c 1761
09458382 1762#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
1763# ifdef HAS_OFF64_T
1764# undef Off_t
1765# define Off_t off64_t
1766# undef LSEEKSIZE
1767# define LSEEKSIZE 8
5ff3f7a4 1768# endif
d9b3e12d
JH
1769/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1770 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1771 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
1772# if defined(USE_OPEN64)
1773# define open open64
5ff3f7a4 1774# endif
d9b3e12d
JH
1775# if defined(USE_LSEEK64)
1776# define lseek lseek64
6b8eaf93
JH
1777# else
1778# if defined(USE_LLSEEK)
1779# define lseek llseek
1780# endif
d9b3e12d
JH
1781# endif
1782# if defined(USE_STAT64)
1783# define stat stat64
1784# endif
1785# if defined(USE_FSTAT64)
1786# define fstat fstat64
1787# endif
1788# if defined(USE_LSTAT64)
1789# define lstat lstat64
1790# endif
1791# if defined(USE_FLOCK64)
1792# define flock flock64
1793# endif
1794# if defined(USE_LOCKF64)
1795# define lockf lockf64
1796# endif
1797# if defined(USE_FCNTL64)
1798# define fcntl fcntl64
1799# endif
1800# if defined(USE_TRUNCATE64)
1801# define truncate truncate64
1802# endif
1803# if defined(USE_FTRUNCATE64)
1804# define ftruncate ftruncate64
1805# endif
1806#endif
1807
1808#ifdef USE_64_BIT_STDIO
1809# ifdef HAS_FPOS64_T
1810# undef Fpos_t
1811# define Fpos_t fpos64_t
1812# endif
1813/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1814 * will trigger defines like the ones below. Some 64-bit environments,
1815 * however, do not. */
1816# if defined(USE_FOPEN64)
1817# define fopen fopen64
1818# endif
1819# if defined(USE_FSEEK64)
6b8eaf93 1820# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
1821# endif
1822# if defined(USE_FTELL64)
6b8eaf93 1823# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
1824# endif
1825# if defined(USE_FSETPOS64)
1826# define fsetpos fsetpos64
1827# endif
1828# if defined(USE_FGETPOS64)
1829# define fgetpos fgetpos64
1830# endif
1831# if defined(USE_TMPFILE64)
1832# define tmpfile tmpfile64
1833# endif
1834# if defined(USE_FREOPEN64)
1835# define freopen freopen64
5ff3f7a4
GS
1836# endif
1837#endif
1838
af8b425d 1839#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
1840# include "iperlsys.h"
1841#endif
1842
6f71a643 1843#if defined(__OPEN_VM)
19848b3f
JH
1844# include "vmesa/vmesaish.h"
1845# define ISHISH "vmesa"
6f71a643
JH
1846#endif
1847
748a9306 1848#ifdef DOSISH
19848b3f
JH
1849# if defined(OS2)
1850# include "os2ish.h"
1851# else
1852# include "dosish.h"
1853# endif
1854# define ISHISH "dos"
1855#endif
1856
1857#if defined(VMS)
748a9306 1858# include "vmsish.h"
96e176bf 1859# include "embed.h"
19848b3f
JH
1860# define ISHISH "vms"
1861#endif
1862
1863#if defined(PLAN9)
1864# include "./plan9/plan9ish.h"
1865# define ISHISH "plan9"
1866#endif
1867
1868#if defined(MPE)
1869# include "mpeix/mpeixish.h"
1870# define ISHISH "mpeix"
1871#endif
1872
1873#if defined(__VOS__)
196918b0
PG
1874# ifdef __GNUC__
1875# include "./vos/vosish.h"
1876# else
1877# include "vos/vosish.h"
1878# endif
19848b3f
JH
1879# define ISHISH "vos"
1880#endif
1881
1882#if defined(EPOC)
1883# include "epocish.h"
1884# define ISHISH "epoc"
1885#endif
1886
1887#if defined(MACOS_TRADITIONAL)
1888# include "macos/macish.h"
1889# ifndef NO_ENVIRON_ARRAY
1890# define NO_ENVIRON_ARRAY
0c30d9ec 1891# endif
19848b3f
JH
1892# define ISHISH "macos classic"
1893#endif
1894
efca5cc6
JH
1895#if defined(__BEOS__)
1896# include "beos/beosish.h"
1897# define ISHISH "beos"
1898#endif
1899
19848b3f
JH
1900#ifndef ISHISH
1901# include "unixish.h"
1902# define ISHISH "unix"
13b6e58c
JH
1903#endif
1904
1905#ifndef NO_ENVIRON_ARRAY
1906# define USE_ENVIRON_ARRAY
1907#endif
32f822de 1908
c77b533b
JH
1909/*
1910 * initialise to avoid floating-point exceptions from overflow, etc
1911 */
1912#ifndef PERL_FPU_INIT
1913# ifdef HAS_FPSETMASK
1914# if HAS_FLOATINGPOINT_H
1915# include <floatingpoint.h>
1916# endif
1917# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1918# else
7014c407
JH
1919# if defined(SIGFPE) && defined(SIG_IGN)
1920# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1921# else
1922# define PERL_FPU_INIT
1923# endif
c77b533b
JH
1924# endif
1925#endif
1926
ed344e4f
IZ
1927#ifndef PERL_SYS_INIT3
1928# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1929#endif
1930
be708cc0
JH
1931#ifndef PERL_WRITE_MSG_TO_CONSOLE
1932# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1933#endif
1934
0f31cffe
GS
1935#ifndef MAXPATHLEN
1936# ifdef PATH_MAX
b990c8b2
JH
1937# ifdef _POSIX_PATH_MAX
1938# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
1939/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
1940 * included the null byte or not. Later amendments of POSIX,
1941 * XPG4, the Austin Group, and the Single UNIX Specification
1942 * all explicitly include the null byte in the PATH_MAX.
1943 * Ditto for _POSIX_PATH_MAX. */
1944# define MAXPATHLEN PATH_MAX
b990c8b2 1945# else
09448d78 1946# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
1947# endif
1948# else
1949# define MAXPATHLEN (PATH_MAX+1)
1950# endif
0f31cffe 1951# else
b990c8b2 1952# ifdef _POSIX_PATH_MAX
09448d78 1953# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
1954# else
1955# define MAXPATHLEN 1024 /* Err on the large side. */
1956# endif
0f31cffe
GS
1957# endif
1958#endif
1959
3db8f154 1960/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1961 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
1962 * this results in many functions being undeclared which bothers C++
1963 * May make sense to have threads after "*ish.h" anyway
1964 */
1965
3db8f154 1966#if defined(USE_ITHREADS)
2986a63f
JH
1967# ifdef NETWARE
1968# include <nw5thread.h>
1969# else
32f822de
GS
1970# ifdef FAKE_THREADS
1971# include "fakethr.h"
1972# else
1973# ifdef WIN32
1974# include <win32thread.h>
1975# else
dd96f567
IZ
1976# ifdef OS2
1977# include "os2thread.h"
1978# else
7f3d1cf1 1979# ifdef I_MACH_CTHREADS
bdd66968 1980# include <mach/cthreads.h>
8f1f23e8 1981# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
1982# define MUTEX_INIT_CALLS_MALLOC
1983# endif
7f3d1cf1
BH
1984typedef cthread_t perl_os_thread;
1985typedef mutex_t perl_mutex;
1986typedef condition_t perl_cond;
1987typedef void * perl_key;
1988# else /* Posix threads */
1f5ae88c
JH
1989# ifdef I_PTHREAD
1990# include <pthread.h>
1991# endif
7f3d1cf1
BH
1992typedef pthread_t perl_os_thread;
1993typedef pthread_mutex_t perl_mutex;
1994typedef pthread_cond_t perl_cond;
1995typedef pthread_key_t perl_key;
1996# endif /* I_MACH_CTHREADS */
dd96f567 1997# endif /* OS2 */
32f822de
GS
1998# endif /* WIN32 */
1999# endif /* FAKE_THREADS */
2986a63f 2000#endif /* NETWARE */
3db8f154 2001#endif /* USE_ITHREADS */
c5be433b 2002
66a93824 2003#if defined(WIN32)
1feb2720 2004# include "win32.h"
c5be433b
GS
2005#endif
2006
2986a63f
JH
2007#ifdef NETWARE
2008# include "netware.h"
2009#endif
2010
68dc0745 2011#ifdef VMS
6b88bc9c 2012# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2013# define STATUS_NATIVE_EXPORT \
d98f61e7 2014 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745
PP
2015# define STATUS_NATIVE_SET(n) \
2016 STMT_START { \
6b88bc9c
GS
2017 PL_statusvalue_vms = (n); \
2018 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2019 PL_statusvalue = -1; \
6b88bc9c 2020 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2021 PL_statusvalue = 0; \
6b88bc9c
GS
2022 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2023 PL_statusvalue = 1 << 8; \
68dc0745 2024 else \
6b88bc9c 2025 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2026 } STMT_END
3280af22 2027# define STATUS_POSIX PL_statusvalue
68dc0745
PP
2028# ifdef VMSISH_STATUS
2029# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2030# else
2031# define STATUS_CURRENT STATUS_POSIX
2032# endif
2033# define STATUS_POSIX_SET(n) \
2034 STMT_START { \
3280af22
NIS
2035 PL_statusvalue = (n); \
2036 if (PL_statusvalue != -1) { \
2037 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2038 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2039 } \
6b88bc9c 2040 else PL_statusvalue_vms = -1; \
68dc0745 2041 } STMT_END
6b88bc9c
GS
2042# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2043# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745
PP
2044#else
2045# define STATUS_NATIVE STATUS_POSIX
2046# define STATUS_NATIVE_EXPORT STATUS_POSIX
2047# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2048# define STATUS_POSIX PL_statusvalue
68dc0745
PP
2049# define STATUS_POSIX_SET(n) \
2050 STMT_START { \
3280af22
NIS
2051 PL_statusvalue = (n); \
2052 if (PL_statusvalue != -1) \
2053 PL_statusvalue &= 0xFFFF; \
68dc0745
PP
2054 } STMT_END
2055# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS
2056# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2057# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745
PP
2058#endif
2059
cc3604b1
GS
2060/* flags in PL_exit_flags for nature of exit() */
2061#define PERL_EXIT_EXPECTED 0x01
31d77e54 2062#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2063
0b94c7bb 2064#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2065# define MEMBER_TO_FPTR(name) name
2066#endif
2067
2068/* format to use for version numbers in file/directory names */
273cf8d1 2069/* XXX move to Configure? */
a7cb1f99 2070#ifndef PERL_FS_VER_FMT
273cf8d1 2071# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2072#endif
2073
45bc9206 2074/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2075 * performance issue, so we allow people to disable it. Also, if
2076 * we are using stdio, there are broken implementations of fflush(NULL)
2077 * out there, Solaris being the most prominent.
45bc9206
GS
2078 */
2079#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2080# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2081# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2082# else
2083# ifdef FFLUSH_ALL
2084# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2085# else
c5be433b 2086# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2087# endif
66fe083f 2088# endif
45bc9206
GS
2089#endif
2090
7766f137
GS
2091#ifndef PERL_WAIT_FOR_CHILDREN
2092# define PERL_WAIT_FOR_CHILDREN NOOP
2093#endif
2094
ba869deb 2095/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2096#ifndef PERL_SET_INTERP
2097# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2098#endif
2099
2100#ifndef PERL_GET_INTERP
2101# define PERL_GET_INTERP (PL_curinterp)
2102#endif
2103
54aff467 2104#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2105# ifdef MULTIPLICITY
ba869deb 2106# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2107# endif
ba869deb
GS
2108# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2109#endif
2110
894356b3
GS
2111#ifndef SVf
2112# ifdef CHECK_FORMAT
2113# define SVf "p"
2114# else
2115# define SVf "_"
d460ef45 2116# endif
894356b3
GS
2117#endif
2118
d2560b70
RB
2119#ifndef UVf
2120# ifdef CHECK_FORMAT
2121# define UVf UVuf
2122# else
2123# define UVf "Vu"
d460ef45 2124# endif
d2560b70
RB
2125#endif
2126
2127#ifndef VDf
2128# ifdef CHECK_FORMAT
2129# define VDf "p"
2130# else
2131# define VDf "vd"
d460ef45 2132# endif
d2560b70
RB
2133#endif
2134
b3fe4827
RB
2135#ifndef Nullformat
2136# ifdef CHECK_FORMAT
2137# define Nullformat "%s",""
2138# else
2139# define Nullformat Nullch
2140# endif
2141#endif
2142
287c8091
RB
2143#ifndef __attribute__format__
2144# ifdef CHECK_FORMAT
2145# define __attribute__format__(x,y,z) __attribute__((__format__(x,y,z)))
2146# else
2147# define __attribute__format__(x,y,z)
2148# endif
2149#endif
2150
3fc1aec6
PP
2151/* Some unistd.h's give a prototype for pause() even though
2152 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2153 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
2154*/
2155#ifdef HAS_PAUSE
2156#define Pause pause
2157#else
2158#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2159#endif
2160
2161#ifndef IOCPARM_LEN
2162# ifdef IOCPARM_MASK
2163 /* on BSDish systes we're safe */
2164# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2165# else
2166 /* otherwise guess at what's safe */
2167# define IOCPARM_LEN(x) 256
2168# endif
a0d0e21e
LW
2169#endif
2170
1761cee5 2171#if defined(__CYGWIN__)
521e0776
GS
2172/* USEMYBINMODE
2173 * This symbol, if defined, indicates that the program should
16fe6d59 2174 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2175 * that a file is in "binary" mode -- that is, that no translation
2176 * of bytes occurs on read or write operations.
2177 */
2178# define USEMYBINMODE / **/
77a40698 2179# include <io.h> /* for setmode() prototype */
16fe6d59 2180# define my_binmode(fp, iotype, mode) \
77a40698 2181 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
2182#endif
2183
88d10794
JH
2184#ifdef __CYGWIN__
2185void init_os_extras(void);
2186#endif
2187
cea2e8a9
GS
2188#ifdef UNION_ANY_DEFINITION
2189UNION_ANY_DEFINITION;
2190#else
2191union any {
2192 void* any_ptr;
2193 I32 any_i32;
2194 IV any_iv;
2195 long any_long;
9febdf04 2196 bool any_bool;
c76ac1ee 2197 void (*any_dptr) (void*);
acfe0abc 2198 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2199};
2200#endif
2201
acfe0abc 2202typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2203
2204#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2205#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2206#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2207
c5078cac
JH
2208#if defined(_AIX) && !defined(_AIX43)
2209#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2210/* We cannot include <crypt.h> to get the struct crypt_data
2211 * because of setkey prototype problems when threading */
2212typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2213 /* From OSF, Not needed in AIX
2214 char C[28], D[28];
2215 */
2216 char E[48];
2217 char KS[16][48];
2218 char block[66];
2219 char iobuf[16];
2220} CRYPTD;
2221#endif /* threading */
2222#endif /* AIX */
2223
af8b425d 2224#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2225# include "iperlsys.h"
2226#endif
378cc40b 2227#include "regexp.h"
79072805 2228#include "sv.h"
378cc40b 2229#include "util.h"
8d063cd8 2230#include "form.h"
79072805 2231#include "gv.h"
dd2155a4 2232#include "pad.h"
79072805 2233#include "cv.h"
abdd5c84 2234#include "opnames.h"
79072805
LW
2235#include "op.h"
2236#include "cop.h"
2237#include "av.h"
2238#include "hv.h"
2239#include "mg.h"
2240#include "scope.h"
4438c4b7 2241#include "warnings.h"
a0ed51b3 2242#include "utf8.h"
8d063cd8 2243
7fae4e64
GS
2244/* Current curly descriptor */
2245typedef struct curcur CURCUR;
2246struct curcur {
2247 int parenfloor; /* how far back to strip paren data */
2248 int cur; /* how many instances of scan we've matched */
2249 int min; /* the minimal number of scans to match */
2250 int max; /* the maximal number of scans to match */
2251 int minmod; /* whether to work our way up or down */
2252 regnode * scan; /* the thing to match */
2253 regnode * next; /* what has to match after it */
2254 char * lastloc; /* where we started matching this scan */
2255 CURCUR * oldcc; /* current curly before we started this one */
2256};
2257
2258typedef struct _sublex_info SUBLEXINFO;
2259struct _sublex_info {
2260 I32 super_state; /* lexer state to save */
2261 I32 sub_inwhat; /* "lex_inwhat" to use */
2262 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2263 char *super_bufptr; /* PL_bufptr that was */
2264 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2265};
2266
455ece5e 2267typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2268
2c2d71f5 2269struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2270struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2271
2272typedef I32 CHECKPOINT;
76e3520e 2273
5f7fde29
GS
2274struct ptr_tbl_ent {
2275 struct ptr_tbl_ent* next;
2276 void* oldval;
2277 void* newval;
d18c6117
GS
2278};
2279
5f7fde29
GS
2280struct ptr_tbl {
2281 struct ptr_tbl_ent** tbl_ary;
2282 UV tbl_max;
2283 UV tbl_items;
d18c6117
GS
2284};
2285
450a55e4 2286#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2287# define I286
2288#endif
2289
fe14fcc3
LW
2290#if defined(htonl) && !defined(HAS_HTONL)
2291#define HAS_HTONL
ae986130 2292#endif
fe14fcc3
LW
2293#if defined(htons) && !defined(HAS_HTONS)
2294#define HAS_HTONS
ae986130 2295#endif
fe14fcc3
LW
2296#if defined(ntohl) && !defined(HAS_NTOHL)
2297#define HAS_NTOHL
ae986130 2298#endif
fe14fcc3
LW
2299#if defined(ntohs) && !defined(HAS_NTOHS)
2300#define HAS_NTOHS
ae986130 2301#endif
fe14fcc3 2302#ifndef HAS_HTONL
d9d8d8de 2303#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2304#define HAS_HTONS
2305#define HAS_HTONL
2306#define HAS_NTOHS
2307#define HAS_NTOHL
a687059c
LW
2308#define MYSWAP
2309#define htons my_swap
2310#define htonl my_htonl
2311#define ntohs my_swap
2312#define ntohl my_ntohl
2313#endif
2314#else
d9d8d8de 2315#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2316#undef HAS_HTONS
2317#undef HAS_HTONL
2318#undef HAS_NTOHS
2319#undef HAS_NTOHL
a687059c
LW
2320#endif
2321#endif
2322
988174c1
LW
2323/*
2324 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2325 * -DWS
2326 */
2327#if BYTEORDER != 0x1234
2328# define HAS_VTOHL
2329# define HAS_VTOHS
2330# define HAS_HTOVL
2331# define HAS_HTOVS
c67712b2 2332# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2333# define vtohl(x) ((((x)&0xFF)<<24) \
2334 +(((x)>>24)&0xFF) \
2335 +(((x)&0x0000FF00)<<8) \
2336 +(((x)&0x00FF0000)>>8) )
2337# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2338# define htovl(x) vtohl(x)
2339# define htovs(x) vtohs(x)
2340# endif
2341 /* otherwise default to functions in util.c */
2a8c3029 2342#ifndef htovs
c623ac67
GS
2343short htovs(short n);
2344short vtohs(short n);
2345long htovl(long n);
2346long vtohl(long n);
988174c1 2347#endif
2a8c3029 2348#endif
988174c1 2349
3bb7c1b4
JH
2350/* *MAX Plus 1. A floating point value.
2351 Hopefully expressed in a way that dodgy floating point can't mess up.
2352 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2353 is added to it
2354 May find that some broken compiler will want the value cast to I32.
2355 [after the shift, as signed >> may not be as secure as unsigned >>]
2356*/
2357#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2358#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2359/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2360 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2361 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2362*/
2363#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2364
3bb7c1b4
JH
2365#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2366#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2367#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2368
2369/* This may look like unnecessary jumping through hoops, but converting
2370 out of range floating point values to integers *is* undefined behaviour,
2371 and it is starting to bite.
2372*/
2373#ifndef CAST_INLINE
65202027 2374#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2375#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
2376#define I_V(what) (cast_iv((NV)(what)))
2377#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
2378#else
2379#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2380 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2381 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2382#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2383 : ((n) < U32_MAX_P1 ? (U32) (n) \
2384 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2385#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2386 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2387 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2388#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2389 : ((n) < UV_MAX_P1 ? (UV) (n) \
2390 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2391#endif
2392
2393#define U_S(what) ((U16)U_32(what))
2394#define U_I(what) ((unsigned int)U_32(what))
2395#define U_L(what) U_32(what)
ed6116ce 2396
2d4389e4
JH
2397/* These do not care about the fractional part, only about the range. */
2398#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2399#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2400
25da4f38
IZ
2401/* Used with UV/IV arguments: */
2402 /* XXXX: need to speed it up */
2403#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2404#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2405
352d5a3a
LW
2406#ifndef MAXSYSFD
2407# define MAXSYSFD 2
2408#endif
ee0007ab 2409
79072805 2410#ifndef __cplusplus
e1caacb4 2411#ifndef UNDER_CE
20ce7b12
GS
2412Uid_t getuid (void);
2413Uid_t geteuid (void);
2414Gid_t getgid (void);
2415Gid_t getegid (void);
79072805 2416#endif
e1caacb4 2417#endif
8d063cd8 2418
0c30d9ec 2419#ifndef Perl_debug_log
bf49b057
GS
2420# define Perl_debug_log PerlIO_stderr()
2421#endif
2422
2423#ifndef Perl_error_log
2424# define Perl_error_log (PL_stderrgv \
6b78add2 2425 && isGV(PL_stderrgv) \
01bb7c6d 2426 && GvIOp(PL_stderrgv) \
42de951c 2427 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
2428 ? IoOFP(GvIOp(PL_stderrgv)) \
2429 : PerlIO_stderr())
0c30d9ec 2430#endif
3967c732 2431
aea4f609
DM
2432
2433#define DEBUG_p_FLAG 0x00000001 /* 1 */
2434#define DEBUG_s_FLAG 0x00000002 /* 2 */
2435#define DEBUG_l_FLAG 0x00000004 /* 4 */
2436#define DEBUG_t_FLAG 0x00000008 /* 8 */
2437#define DEBUG_o_FLAG 0x00000010 /* 16 */
2438#define DEBUG_c_FLAG 0x00000020 /* 32 */
2439#define DEBUG_P_FLAG 0x00000040 /* 64 */
2440#define DEBUG_m_FLAG 0x00000080 /* 128 */
2441#define DEBUG_f_FLAG 0x00000100 /* 256 */
2442#define DEBUG_r_FLAG 0x00000200 /* 512 */
2443#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2444#define DEBUG_u_FLAG 0x00000800 /* 2048 */
aea4f609
DM
2445#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2446#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2447#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2448#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2449#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2450#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2451#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2452#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2453#define DEBUG_C_FLAG 0x00200000 /*2097152 */
7bab3ede 2454#define DEBUG_MASK 0x003FEFFF /* mask of all the standard flags */
aea4f609
DM
2455
2456#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
2457#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2458 that something was done? */
aea4f609 2459
bd16a5f0
IZ
2460# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2461# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2462# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2463# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2464# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2465# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2466# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2467# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2468# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2469# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2470# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2471# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ
2472# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2473# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2474# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2475# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2476# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2477# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2478# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2479# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2480# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
dd2155a4 2481# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2482
3967c732 2483#ifdef DEBUGGING
aea4f609
DM
2484
2485# undef YYDEBUG
2486# define YYDEBUG 1
2487
bd16a5f0
IZ
2488# define DEBUG_p_TEST DEBUG_p_TEST_
2489# define DEBUG_s_TEST DEBUG_s_TEST_
2490# define DEBUG_l_TEST DEBUG_l_TEST_
2491# define DEBUG_t_TEST DEBUG_t_TEST_
2492# define DEBUG_o_TEST DEBUG_o_TEST_
2493# define DEBUG_c_TEST DEBUG_c_TEST_
2494# define DEBUG_P_TEST DEBUG_P_TEST_
2495# define DEBUG_m_TEST DEBUG_m_TEST_
2496# define DEBUG_f_TEST DEBUG_f_TEST_
2497# define DEBUG_r_TEST DEBUG_r_TEST_
2498# define DEBUG_x_TEST DEBUG_x_TEST_
2499# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ
2500# define DEBUG_H_TEST DEBUG_H_TEST_
2501# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2502# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
2503# define DEBUG_D_TEST DEBUG_D_TEST_
2504# define DEBUG_S_TEST DEBUG_S_TEST_
2505# define DEBUG_T_TEST DEBUG_T_TEST_
2506# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2507# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2508# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2509# define DEBUG_C_TEST DEBUG_C_TEST_
aea4f609
DM
2510
2511# define DEB(a) a
2512# define DEBUG(a) if (PL_debug) a
2513# define DEBUG_p(a) if (DEBUG_p_TEST) a
2514# define DEBUG_s(a) if (DEBUG_s_TEST) a
2515# define DEBUG_l(a) if (DEBUG_l_TEST) a
2516# define DEBUG_t(a) if (DEBUG_t_TEST) a
2517# define DEBUG_o(a) if (DEBUG_o_TEST) a
2518# define DEBUG_c(a) if (DEBUG_c_TEST) a
2519# define DEBUG_P(a) if (DEBUG_P_TEST) a
2520
969058bb
VK
2521 /* Temporarily turn off memory debugging in case the a
2522 * does memory allocation, either directly or indirectly. */
acfe0abc 2523# define DEBUG_m(a) \
0b250b9e 2524 STMT_START { \
aea4f609 2525 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2526 } STMT_END
aea4f609 2527
5f80b19c
AMS
2528# define DEBUG__(t, a) \
2529 STMT_START { \
2530 if (t) STMT_START {a;} STMT_END; \
2531 } STMT_END
2532
2533# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2534# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2535# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2536# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS
2537# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2538# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2539# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2540# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2541
3db8f154 2542# define DEBUG_S(a)
aea4f609 2543
5f80b19c
AMS
2544# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2545# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2546# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2547# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
aea4f609
DM
2548
2549#else /* DEBUGGING */
2550
2551# define DEBUG_p_TEST (0)
2552# define DEBUG_s_TEST (0)
2553# define DEBUG_l_TEST (0)
2554# define DEBUG_t_TEST (0)
2555# define DEBUG_o_TEST (0)
2556# define DEBUG_c_TEST (0)
2557# define DEBUG_P_TEST (0)
2558# define DEBUG_m_TEST (0)
2559# define DEBUG_f_TEST (0)
2560# define DEBUG_r_TEST (0)
2561# define DEBUG_x_TEST (0)
2562# define DEBUG_u_TEST (0)
aea4f609
DM
2563# define DEBUG_H_TEST (0)
2564# define DEBUG_X_TEST (0)
dd2155a4 2565# define DEBUG_Xv_TEST (0)
aea4f609
DM
2566# define DEBUG_D_TEST (0)
2567# define DEBUG_S_TEST (0)
2568# define DEBUG_T_TEST (0)
04932ac8 2569# define DEBUG_R_TEST (0)
1045810a 2570# define DEBUG_J_TEST (0)
d6721266 2571# define DEBUG_v_TEST (0)
46187eeb 2572# define DEBUG_C_TEST (0)
aea4f609
DM
2573
2574# define DEB(a)
2575# define DEBUG(a)
2576# define DEBUG_p(a)
2577# define DEBUG_s(a)
2578# define DEBUG_l(a)
2579# define DEBUG_t(a)
2580# define DEBUG_o(a)
2581# define DEBUG_c(a)
2582# define DEBUG_P(a)
2583# define DEBUG_m(a)
2584# define DEBUG_f(a)
2585# define DEBUG_r(a)
2586# define DEBUG_x(a)
2587# define DEBUG_u(a)
aea4f609
DM
2588# define DEBUG_H(a)
2589# define DEBUG_X(a)
dd2155a4 2590# define DEBUG_Xv(a)
aea4f609
DM
2591# define DEBUG_D(a)
2592# define DEBUG_S(a)
2593# define DEBUG_T(a)
04932ac8 2594# define DEBUG_R(a)
d6721266 2595# define DEBUG_v(a)
46187eeb 2596# define DEBUG_C(a)
aea4f609
DM
2597#endif /* DEBUGGING */
2598
2599
d1be9408 2600/* These constants should be used in preference to raw characters
14befaf4
DM
2601 * when using magic. Note that some perl guts still assume
2602 * certain character properties of these constants, namely that
2603 * isUPPER() and toLOWER() may do useful mappings.
2604 *
2605 * Update the magic_names table in dump.c when adding/amending these
2606 */
2607
2608#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2609#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2610#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2611#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2612#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2613#define PERL_MAGIC_regdata 'D' /* Regex match position data
2614 (@+ and @- vars) */
2615#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2616#define PERL_MAGIC_env 'E' /* %ENV hash */
2617#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2618#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2619#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2620#define PERL_MAGIC_isa 'I' /* @ISA array */
2621#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2622#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2623#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2624#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
2625#define PERL_MAGIC_mutex 'm' /* for lock op */
2626#define PERL_MAGIC_shared 'N' /* Shared between threads */
2627#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
2628#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2629#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2630#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2631#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2632#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2633#define PERL_MAGIC_sig 'S' /* %SIG hash */
2634#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2635#define PERL_MAGIC_taint 't' /* Taintedness */
2636#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2637#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2638#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2639#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 2640#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
2641#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2642#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2643 smart parameter vivification */
2644#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2645#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2646#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2647#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM
2648#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2649
2650
fe14fcc3 2651#define YYMAXDEPTH 300
8d063cd8 2652
a6e633de 2653#ifndef assert /* <assert.h> might have been included somehow */
a446a88f
NIS
2654#ifdef DEBUGGING
2655#define assert(what) DEB( { \
2656 if (!(what)) { \
2657 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2658 __FILE__, __LINE__); \
2659 PerlProc_exit(1); \
2660 }})
2661#else
79072805
LW
2662#define assert(what) DEB( { \
2663 if (!(what)) { \
cea2e8a9 2664 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2665 __FILE__, __LINE__); \
cea2e8a9 2666 PerlProc_exit(1); \
79072805 2667 }})
a6e633de 2668#endif
a446a88f 2669#endif
8d063cd8 2670
450a55e4 2671struct ufuncs {
24f81a43
DM
2672 I32 (*uf_val)(pTHX_ IV, SV*);
2673 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2674 IV uf_index;
450a55e4
LW
2675};
2676
14befaf4 2677/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
2678 * XS code wanting to be backward compatible can do something
2679 * like the following:
c745e42c 2680
24f81a43 2681#ifndef PERL_MG_UFUNC
24f81a43
DM
2682#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2683#endif
2684
2685static PERL_MG_UFUNC(foo_get, index, val)
2686{
2687 sv_setsv(val, ...);
2688 return TRUE;
2689}
2690
2691-- Doug MacEachern
2692
2693*/
2694
fc9c74e6 2695#ifndef PERL_MG_UFUNC
24f81a43 2696#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2697#endif
24f81a43 2698
fe14fcc3 2699/* Fix these up for __STDC__ */
68dc0745 2700#ifndef DONT_DECLARE_STD
20ce7b12 2701char *mktemp (char*);
37bd1396 2702#ifndef atof
20ce7b12 2703double atof (const char*);
a0d0e21e 2704#endif
37bd1396 2705#endif
79072805 2706
352d5a3a 2707#ifndef STANDARD_C
fe14fcc3 2708/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2709Time_t time();
8d063cd8 2710struct tm *gmtime(), *localtime();
092bebab 2711#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
2712char *(strchr)(), *(strrchr)();
2713char *(strcpy)(), *(strcat)();
2714#else
93a17b20 2715char *strchr(), *strrchr();
378cc40b 2716char *strcpy(), *strcat();
9d116dd7 2717#endif
352d5a3a 2718#endif /* ! STANDARD_C */
8d063cd8 2719
79072805
LW
2720
2721#ifdef I_MATH
2722# include <math.h>
2723#else
32f822de 2724START_EXTERN_C
20ce7b12
GS
2725 double exp (double);
2726 double log (double);
2727 double log10 (double);
2728 double sqrt (double);
2729 double frexp (double,int*);
2730 double ldexp (double,int);
2731 double modf (double,double*);
2732 double sin (double);
2733 double cos (double);
2734 double atan2 (double,double);
2735 double pow (double,double);
32f822de 2736END_EXTERN_C
79072805
LW
2737#endif
2738
aa8b85de
JH
2739#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2740# define NV_INF LDBL_INFINITY
2741#endif
2742#if !defined(NV_INF) && defined(DBL_INFINITY)
2743# define NV_INF (NV)DBL_INFINITY
2744#endif
2745#if !defined(NV_INF) && defined(INFINITY)
2746# define NV_INF (NV)INFINITY
2747#endif
2748#if !defined(NV_INF) && defined(INF)
2749# define NV_INF (NV)INF
2750#endif
2751#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2752# define NV_INF (NV)HUGE_VALL
2753#endif
2754#if !defined(NV_INF) && defined(HUGE_VAL)
2755# define NV_INF (NV)HUGE_VAL
2756#endif
2757
2758#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2759# if !defined(NV_NAN) && defined(LDBL_NAN)
2760# define NV_NAN LDBL_NAN
2761# endif
2762# if !defined(NV_NAN) && defined(LDBL_QNAN)
2763# define NV_NAN LDBL_QNAN
2764# endif
2765# if !defined(NV_NAN) && defined(LDBL_SNAN)
2766# define NV_NAN LDBL_SNAN
2767# endif
2768#endif
2769#if !defined(NV_NAN) && defined(DBL_NAN)
2770# define NV_NAN (NV)DBL_NAN
2771#endif
2772#if !defined(NV_NAN) && defined(DBL_QNAN)
2773# define NV_NAN (NV)DBL_QNAN
2774#endif
2775#if !defined(NV_NAN) && defined(DBL_SNAN)
2776# define NV_NAN (NV)DBL_SNAN
2777#endif
2778#if !defined(NV_NAN) && defined(QNAN)
2779# define NV_NAN (NV)QNAN
2780#endif
2781#if !defined(NV_NAN) && defined(SNAN)
2782# define NV_NAN (NV)SNAN
2783#endif
2784#if !defined(NV_NAN) && defined(NAN)
2785# define NV_NAN (NV)NAN
2786#endif
2787
a0d0e21e 2788#ifndef __cplusplus
8f1f23e8 2789# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2790char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2791# else
fd8cd3a3 2792# if !defined(WIN32) && !defined(VMS)
10bc17b6 2793#ifndef crypt
20ce7b12 2794char *crypt (const char*, const char*);
10bc17b6 2795#endif
5014db98 2796# endif /* !WIN32 */
8f1f23e8 2797# endif /* !NeXT && !__NeXT__ */
26618a56
GS
2798# ifndef DONT_DECLARE_STD
2799# ifndef getenv
20ce7b12 2800char *getenv (const char*);
26618a56 2801# endif /* !getenv */
28ca6303 2802# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2803# ifdef _FILE_OFFSET_BITS
28ca6303 2804# if _FILE_OFFSET_BITS == 64
20ce7b12 2805Off_t lseek (int,Off_t,int);
0fc67700
JH
2806# endif
2807# endif
bf0c440f 2808# endif
26618a56 2809# endif /* !DONT_DECLARE_STD */
10bc17b6 2810#ifndef getlogin
20ce7b12 2811char *getlogin (void);
10bc17b6 2812#endif
26618a56 2813#endif /* !__cplusplus */
79072805 2814
16d20bd9 2815#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2816#define UNLINK unlnk
20ce7b12 2817I32 unlnk (char*);
8d063cd8 2818#else
80252599 2819#define UNLINK PerlLIO_unlink
8d063cd8 2820#endif
a687059c 2821
fa0a29af
JH
2822/* some versions of glibc are missing the setresuid() proto */
2823#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
2824int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2825#endif
fa0a29af
JH
2826/* some versions of glibc are missing the setresgid() proto */
2827#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
2828int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2829#endif
2830
fe14fcc3 2831#ifndef HAS_SETREUID
85e6fe83
LW
2832# ifdef HAS_SETRESUID
2833# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2834# define HAS_SETREUID
2835# endif
a687059c 2836#endif
fe14fcc3 2837#ifndef HAS_SETREGID
85e6fe83
LW
2838# ifdef HAS_SETRESGID
2839# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2840# define HAS_SETREGID
2841# endif
a687059c 2842#endif
ee0007ab 2843
d543acb6 2844/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
2845
2846#ifdef HAS_SIGACTION
2847typedef struct sigaction Sigsave_t;
2848#else
2849typedef Sighandler_t Sigsave_t;
2850#endif
2851
ee0007ab
LW
2852#define SCAN_DEF 0
2853#define SCAN_TR 1
2854#define SCAN_REPL 2
79072805
LW
2855
2856#ifdef DEBUGGING
4633a7c4 2857# ifndef register
a0d0e21e
LW
2858# define register
2859# endif
cea2e8a9 2860# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2861#else
cea2e8a9 2862# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
2863#endif
2864
18f739ee 2865#ifdef MYMALLOC
772fe5b3 2866# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
2867# define MALLOC_INIT \
2868 STMT_START { \
2869 PL_malloc_mutex = NULL; \
2870 MUTEX_INIT(&PL_malloc_mutex); \
2871 } STMT_END
2872# define MALLOC_TERM \
2873 STMT_START { \
2874 perl_mutex tmp = PL_malloc_mutex; \
2875 PL_malloc_mutex = NULL; \
2876 MUTEX_DESTROY(&tmp); \
2877 } STMT_END
2878# else
2879# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2880# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2881# endif
18f739ee
IZ
2882#else
2883# define MALLOC_INIT
2884# define MALLOC_TERM
2885#endif
2886
b6d9d515 2887
0cb96387 2888typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2889typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2890typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2891typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2892
940cb80d 2893/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2894#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2895
8f1f23e8
W
2896/* NeXT has problems with crt0.o globals */
2897#if defined(__DYNAMIC__) && \
2898 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2899# if defined(NeXT) || defined(__NeXT)
2900# include <mach-o/dyld.h>
2901# define environ (*environ_pointer)
0c30d9ec 2902EXT char *** environ_pointer;
8f1f23e8 2903# else
82cabb9e 2904# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W
2905# include <crt_externs.h> /* for the env array */
2906# define environ (*_NSGetEnviron())
2907# endif
0c30d9ec 2908# endif
8f1f23e8
W
2909#else
2910 /* VMS and some other platforms don't use the environ array */
13b6e58c 2911# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
2912# if !defined(DONT_DECLARE_STD) || \
2913 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2914 defined(__sgi) || \
d460ef45 2915 defined(__DGUX)
8f1f23e8 2916extern char ** environ; /* environment variables supplied via exec */
a6c40364 2917# endif
8f1f23e8
W
2918# endif
2919#endif
79072805 2920
73c4f7a1
GS
2921START_EXTERN_C
2922
79072805 2923/* handy constants */
22c35a8c 2924EXTCONST char PL_warn_uninit[]
b89fed5f 2925 INIT("Use of uninitialized value%s%s");
22c35a8c 2926EXTCONST char PL_warn_nosemi[]
463ee0b2 2927 INIT("Semicolon seems to be missing");
22c35a8c 2928EXTCONST char PL_warn_reserved[]
463ee0b2 2929 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2930EXTCONST char PL_warn_nl[]
93a17b20 2931 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2932EXTCONST char PL_no_wrongref[]
a0d0e21e 2933 INIT("Can't use %s ref as %s ref");
22c35a8c 2934EXTCONST char PL_no_symref[]
748a9306 2935 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2936EXTCONST char PL_no_usym[]
8990e307 2937 INIT("Can't use an undefined value as %s reference");
22c35a8c 2938EXTCONST char PL_no_aelem[]
93a17b20 2939 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2940EXTCONST char PL_no_helem[]
93a17b20 2941 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2942EXTCONST char PL_no_modify[]
93a17b20 2943 INIT("Modification of a read-only value attempted");
22c35a8c 2944EXTCONST char PL_no_mem[]
93a17b20 2945 INIT("Out of memory!\n");
22c35a8c 2946EXTCONST char PL_no_security[]
463ee0b2 2947 INIT("Insecure dependency in %s%s");
22c35a8c 2948EXTCONST char PL_no_sock_func[]
93a17b20 2949 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2950EXTCONST char PL_no_dir_func[]
93a17b20 2951 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2952EXTCONST char PL_no_func[]
93a17b20 2953 INIT("The %s function is unimplemented");
22c35a8c 2954EXTCONST char PL_no_myglob[]
748a9306 2955 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS
2956EXTCONST char PL_no_localize_ref[]
2957 INIT("Can't localize through a reference");
93a17b20 2958
7575fa06 2959EXTCONST char PL_uuemap[65]
80252599
GS
2960 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2961
2962
79072805 2963#ifdef DOINIT
22c35a8c
GS
2964EXT char *PL_sig_name[] = { SIG_NAME };
2965EXT int PL_sig_num[] = { SIG_NUM };
79072805 2966#else
22c35a8c
GS
2967EXT char *PL_sig_name[];
2968EXT int PL_sig_num[];
79072805
LW
2969#endif
2970
3bd709b1 2971/* fast conversion and case folding tables */
bbce6d69 2972
79072805 2973#ifdef DOINIT
9d116dd7 2974#ifdef EBCDIC
22c35a8c 2975EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
2976 0, 1, 2, 3, 4, 5, 6, 7,
2977 8, 9, 10, 11, 12, 13, 14, 15,
2978 16, 17, 18, 19, 20, 21, 22, 23,
2979 24, 25, 26, 27, 28, 29, 30, 31,
2980 32, 33, 34, 35, 36, 37, 38, 39,
2981 40, 41, 42, 43, 44, 45, 46, 47,
2982 48, 49, 50, 51, 52, 53, 54, 55,
2983 56, 57, 58, 59, 60, 61, 62, 63,
2984 64, 65, 66, 67, 68, 69, 70, 71,
2985 72, 73, 74, 75, 76, 77, 78, 79,
2986 80, 81, 82, 83, 84, 85, 86, 87,
2987 88, 89, 90, 91, 92, 93, 94, 95,
2988 96, 97, 98, 99, 100, 101, 102, 103,
2989 104, 105, 106, 107, 108, 109, 110, 111,
2990 112, 113, 114, 115, 116, 117, 118, 119,
2991 120, 121, 122, 123, 124, 125, 126, 127,
2992 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2993 'H', 'I', 138, 139, 140, 141, 142, 143,
2994 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2995 'Q', 'R', 154, 155, 156, 157, 158, 159,
2996 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2997 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2998 176, 177, 178, 179, 180, 181, 182, 183,
2999 184, 185, 186, 187, 188, 189, 190, 191,
3000 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3001 'h', 'i', 202, 203, 204, 205, 206, 207,
3002 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3003 'q', 'r', 218, 219, 220, 221, 222, 223,
3004 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3005 'y', 'z', 234, 235, 236, 237, 238, 239,
3006 240, 241, 242, 243, 244, 245, 246, 247,
3007 248, 249, 250, 251, 252, 253, 254, 255
3008};
3009#else /* ascii rather than ebcdic */
22c35a8c 3010EXTCONST unsigned char PL_fold[] = {
79072805
LW
3011 0, 1, 2, 3, 4, 5, 6, 7,
3012 8, 9, 10, 11, 12, 13, 14, 15,
3013 16, 17, 18, 19, 20, 21, 22, 23,
3014 24, 25, 26, 27, 28, 29, 30, 31,
3015 32, 33, 34, 35, 36, 37, 38, 39,
3016 40, 41, 42, 43, 44, 45, 46, 47,
3017 48, 49, 50, 51, 52, 53, 54, 55,
3018 56, 57, 58, 59, 60, 61, 62, 63,
3019 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3020 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3021 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3022 'x', 'y', 'z', 91, 92, 93, 94, 95,
3023 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3024 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3025 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3026 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3027 128, 129, 130, 131, 132, 133, 134, 135,
3028 136, 137, 138, 139, 140, 141, 142, 143,
3029 144, 145, 146, 147, 148, 149, 150, 151,
3030 152, 153, 154, 155, 156, 157, 158, 159,
3031 160, 161, 162, 163, 164, 165, 166, 167,
3032 168, 169, 170, 171, 172, 173, 174, 175,
3033 176, 177, 178, 179, 180, 181, 182, 183,
3034 184, 185, 186, 187, 188, 189, 190, 191,
3035 192, 193, 194, 195, 196, 197, 198, 199,
3036 200, 201, 202, 203, 204, 205, 206, 207,
3037 208, 209, 210, 211, 212, 213, 214, 215,
3038 216, 217, 218, 219, 220, 221, 222, 223,
3039 224, 225, 226, 227, 228, 229, 230, 231,
3040 232, 233, 234, 235, 236, 237, 238, 239,
3041 240, 241, 242, 243, 244, 245, 246, 247,
3042 248, 249, 250, 251, 252, 253, 254, 255
3043};
9d116dd7 3044#endif /* !EBCDIC */
79072805 3045#else
22c35a8c 3046EXTCONST unsigned char PL_fold[];
79072805
LW
3047#endif
3048
3049#ifdef DOINIT
22c35a8c 3050EXT unsigned char PL_fold_locale[] = {
79072805
LW
3051 0, 1, 2, 3, 4, 5, 6, 7,
3052 8, 9, 10, 11, 12, 13, 14, 15,
3053 16, 17, 18, 19, 20, 21, 22, 23,
3054 24, 25, 26, 27, 28, 29, 30, 31,
3055 32, 33, 34, 35, 36, 37, 38, 39,
3056 40, 41, 42, 43, 44, 45, 46, 47,
3057 48, 49, 50, 51, 52, 53, 54, 55,
3058 56, 57, 58, 59, 60, 61, 62, 63,
3059 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3060 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3061 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3062 'x', 'y', 'z', 91, 92, 93, 94, 95,
3063 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3064 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3065 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3066 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3067 128, 129, 130, 131, 132, 133, 134, 135,
3068 136, 137, 138, 139, 140, 141, 142, 143,
3069 144, 145, 146, 147, 148, 149, 150, 151,
3070 152, 153, 154, 155, 156, 157, 158, 159,
3071 160, 161, 162, 163, 164, 165, 166, 167,
3072 168, 169, 170, 171, 172, 173, 174, 175,
3073 176, 177, 178, 179, 180, 181, 182, 183,
3074 184, 185, 186, 187, 188, 189, 190, 191,
3075 192, 193, 194, 195, 196, 197, 198, 199,
3076 200, 201, 202, 203, 204, 205, 206, 207,
3077 208, 209, 210, 211, 212, 213, 214, 215,
3078 216, 217, 218, 219, 220, 221, 222, 223,
3079 224, 225, 226, 227, 228, 229, 230, 231,
3080 232, 233, 234, 235, 236, 237, 238, 239,
3081 240, 241, 242, 243, 244, 245, 246, 247,
3082 248, 249, 250, 251, 252, 253, 254, 255
3083};
3084#else
22c35a8c 3085EXT unsigned char PL_fold_locale[];
79072805
LW
3086#endif
3087
3088#ifdef DOINIT
9d116dd7 3089#ifdef EBCDIC
22c35a8c 3090EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
3091 1, 2, 84, 151, 154, 155, 156, 157,
3092 165, 246, 250, 3, 158, 7, 18, 29,
3093 40, 51, 62, 73, 85, 96, 107, 118,
3094 129, 140, 147, 148, 149, 150, 152, 153,
3095 255, 6, 8, 9, 10, 11, 12, 13,
3096 14, 15, 24, 25, 26, 27, 28, 226,
3097 29, 30, 31, 32, 33, 43, 44, 45,
3098 46, 47, 48, 49, 50, 76, 77, 78,
3099 79, 80, 81, 82, 83, 84, 85, 86,
3100 87, 94, 95, 234, 181, 233, 187, 190,
3101 180, 96, 97, 98, 99, 100, 101, 102,
3102 104, 112, 182, 174, 236, 232, 229, 103,
3103 228, 226, 114, 115, 116, 117, 118, 119,
3104 120, 121, 122, 235, 176, 230, 194, 162,
3105 130, 131, 132, 133, 134, 135, 136, 137,
3106 138, 139, 201, 205, 163, 217, 220, 224,
3107 5, 248, 227, 244, 242, 255, 241, 231,
3108 240, 253, 16, 197, 19, 20, 21, 187,
3109 23, 169, 210, 245, 237, 249, 247, 239,
3110 168, 252, 34, 196, 36, 37, 38, 39,
3111 41, 42, 251, 254, 238, 223, 221, 213,
3112 225, 177, 52, 53, 54, 55, 56, 57,
3113 58, 59, 60, 61, 63, 64, 65, 66,
3114 67, 68, 69, 70, 71, 72, 74, 75,
3115 205, 208, 186, 202, 200, 218, 198, 179,
3116 178, 214, 88, 89, 90, 91, 92, 93,
3117 217, 166, 170, 207, 199, 209, 206, 204,
3118 160, 212, 105, 106, 108, 109, 110, 111,
3119 203, 113, 216, 215, 192, 175, 193, 243,
3120 172, 161, 123, 124, 125, 126, 127, 128,
3121 222, 219, 211, 195, 188, 193, 185, 184,
3122 191, 183, 141, 142, 143, 144, 145, 146
3123};
3124#else /* ascii rather than ebcdic */
22c35a8c 3125EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
3126 1, 2, 84, 151, 154, 155, 156, 157,
3127 165, 246, 250, 3, 158, 7, 18, 29,
3128 40, 51, 62, 73, 85, 96, 107, 118,
3129 129, 140, 147, 148, 149, 150, 152, 153,
3130 255, 182, 224, 205, 174, 176, 180, 217,
3131 233, 232, 236, 187, 235, 228, 234, 226,
3132 222, 219, 211, 195, 188, 193, 185, 184,
3133 191, 183, 201, 229, 181, 220, 194, 162,
3134 163, 208, 186, 202, 200, 218, 198, 179,
3135 178, 214, 166, 170, 207, 199, 209, 206,
3136 204, 160, 212, 216, 215, 192, 175, 173,
3137 243, 172, 161, 190, 203, 189, 164, 230,
3138 167, 248, 227, 244, 242, 255, 241, 231,
3139 240, 253, 169, 210, 245, 237, 249, 247,
3140 239, 168, 252, 251, 254, 238, 223, 221,
3141 213, 225, 177, 197, 171, 196, 159, 4,
3142 5, 6, 8, 9, 10, 11, 12, 13,
3143 14, 15, 16, 17, 19, 20, 21, 22,
3144 23, 24, 25, 26, 27, 28, 30, 31,
3145 32, 33, 34, 35, 36, 37, 38, 39,
3146 41, 42, 43, 44, 45, 46, 47, 48,
3147 49, 50, 52, 53, 54, 55, 56, 57,
3148 58, 59, 60, 61, 63, 64, 65, 66,
3149 67, 68, 69, 70, 71, 72, 74, 75,
3150 76, 77, 78, 79, 80, 81, 82, 83,
3151 86, 87, 88, 89, 90, 91, 92, 93,
3152 94, 95, 97, 98, 99, 100, 101, 102,
3153 103, 104, 105, 106, 108, 109, 110, 111,
3154 112, 113, 114, 115, 116, 117, 119, 120,
3155 121, 122, 123, 124, 125, 126, 127, 128,
3156 130, 131, 132, 133, 134, 135, 136, 137,
3157 138, 139, 141, 142, 143, 144, 145, 146
3158};
9d116dd7 3159#endif
79072805 3160#else
22c35a8c 3161EXTCONST unsigned char PL_freq[];
79072805
LW
3162#endif
3163
8990e307
LW
3164#ifdef DEBUGGING
3165#ifdef DOINIT
22c35a8c 3166EXTCONST char* PL_block_type[] = {
8990e307
LW
3167 "NULL",
3168 "SUB",
3169 "EVAL",
3170 "LOOP",
3171 "SUBST",
3172 "BLOCK",
3173};
3174#else
22c35a8c 3175EXTCONST char* PL_block_type[];
8990e307
LW
3176#endif
3177#endif
3178
73c4f7a1
GS
3179END_EXTERN_C
3180
79072805
LW
3181/*****************************************************************************/
3182/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3183/*****************************************************************************/
8990e307 3184/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3185
a0d0e21e
LW
3186#include "perly.h"
3187
fb73857a
PP
3188#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3189
79072805
LW
3190typedef enum {
3191 XOPERATOR,
3192 XTERM,
79072805 3193 XREF,
8990e307 3194 XSTATE,
a0d0e21e 3195 XBLOCK,
09bef843
SB
3196 XATTRBLOCK,
3197 XATTRTERM,
6f33ba73
RGS
3198 XTERMBLOCK,
3199 XTERMORDORDOR /* evil hack */
27308ded 3200 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW
3201} expectation;
3202
dc9e4912
GS
3203enum { /* pass one of these to get_vtbl */
3204 want_vtbl_sv,
3205 want_vtbl_env,
3206 want_vtbl_envelem,
3207 want_vtbl_sig,
3208 want_vtbl_sigelem,
3209 want_vtbl_pack,
3210 want_vtbl_packelem,
3211 want_vtbl_dbline,
3212 want_vtbl_isa,
3213 want_vtbl_isaelem,
3214 want_vtbl_arylen,
3215 want_vtbl_glob,
3216 want_vtbl_mglob,
3217 want_vtbl_nkeys,
3218 want_vtbl_taint,
3219 want_vtbl_substr,
3220 want_vtbl_vec,
3221 want_vtbl_pos,
3222 want_vtbl_bm,
3223 want_vtbl_fm,
3224 want_vtbl_uvar,
3225 want_vtbl_defelem,
3226 want_vtbl_regexp,
3227 want_vtbl_collxfrm,
3228 want_vtbl_amagic,
3229 want_vtbl_amagicelem,
dc9e4912 3230 want_vtbl_regdata,
810b8aa5 3231 want_vtbl_regdatum,
7e8c5dac
HS
3232 want_vtbl_backref,
3233 want_vtbl_utf8
dc9e4912
GS
3234};
3235
85e6fe83
LW
3236 /* Note: the lowest 8 bits are reserved for
3237 stuffing into op->op_private */
f3aa04c2 3238#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS
3239#define HINT_INTEGER 0x00000001 /* integer pragma */
3240#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3241#define HINT_LOCALE 0x00000004 /* locale pragma */
3242#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3243/* #define HINT_notused10 0x00000010 */
a0ed51b3 3244 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3245 /* currently defined by vms/vmsish.h */
85e6fe83
LW
3246
3247#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS
3248#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3249#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3250
9cfe5470 3251/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ
3252#define HINT_NEW_INTEGER 0x00001000
3253#define HINT_NEW_FLOAT 0x00002000
3254#define HINT_NEW_BINARY 0x00004000
3255#define HINT_NEW_STRING 0x00008000
3256#define HINT_NEW_RE 0x00010000
3257#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3258
9cfe5470
RGS
3259#define HINT_RE_TAINT 0x00100000 /* re pragma */
3260#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3261
9cfe5470
RGS
3262#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3263#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3264
8fa7688f 3265/* assertions pragma */
06492da6 3266#define HINT_ASSERTING 0x01000000
8fa7688f 3267#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3268
9cfe5470 3269/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH
3270#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3271#define HINT_SORT_QUICKSORT 0x00000001
3272#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3273#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3274
8bfdd7d9 3275/* Various states of the input record separator SV (rs) */
d4cce5f1 3276#define RsSNARF(sv) (! SvOK(sv))
af7d13df
G
3277#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3278#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3279#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3280
128e8167 3281/* A struct for keeping various DEBUGGING related stuff,
ce333219 3282 * neatly packed. Currently only scratch variables for
128e8167
JH
3283 * constructing debug output are included. Needed always,
3284 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH
3285struct perl_debug_pad {
3286 SV pad[3];
3287};
3288
3289#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3290#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3291
56953603 3292/* Enable variables which are pointers to functions */
a2efc822 3293typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS
3294typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3295typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3296 char* strend, char* strbeg, I32 minend,
3297 SV* screamer, void* data, U32 flags);
f722798b
IZ
3298typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3299 char *strpos, char *strend,
3300 U32 flags,
3301 struct re_scream_pos_data_s *d);
3302typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3303typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3304
c76ac1ee 3305typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS
3306typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3307typedef void (*SVFUNC_t) (pTHX_ SV*);
3308typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3309typedef void (*XSINIT_t) (pTHX);
3310typedef void (*ATEXIT_t) (pTHX_ void*);
3311typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3312
22239a37
NIS
3313/* Set up PERLVAR macros for populating structs */
3314#define PERLVAR(var,type) type var;
51371543 3315#define PERLVARA(var,n,type) type var[n];
22239a37 3316#define PERLVARI(var,type,init) type var;
3fe35a81 3317#define PERLVARIC(var,type,init) type var;
22239a37 3318
58a50f62
GS
3319/* Interpreter exitlist entry */
3320typedef struct exitlistentry {
acfe0abc 3321 void (*fn) (pTHX_ void*);
58a50f62
GS
3322 void *ptr;
3323} PerlExitListEntry;
3324
22239a37
NIS
3325#ifdef PERL_GLOBAL_STRUCT
3326struct perl_vars {
7766f137 3327# include "perlvars.h"
22239a37
NIS
3328};
3329
7766f137 3330# ifdef PERL_CORE
533c011a
NIS
3331EXT struct perl_vars PL_Vars;
3332EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS
3333# else /* PERL_CORE */
3334# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3335EXT
7766f137 3336# endif /* WIN32 */
533c011a 3337struct perl_vars *PL_VarsPtr;
7766f137
GS
3338# define PL_Vars (*((PL_VarsPtr) \
3339 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3340# endif /* PERL_CORE */
22239a37
NIS
3341#endif /* PERL_GLOBAL_STRUCT */
3342
acfe0abc 3343#if defined(MULTIPLICITY)
d460ef45 3344/* If we have multiple interpreters define a struct
d4cce5f1 3345 holding variables which must be per-interpreter
d460ef45 3346 If we don't have threads anything that would have
d4cce5f1
NIS
3347 be per-thread is per-interpreter.
3348*/
3349
79072805 3350struct interpreter {
3db8f154 3351# include "thrdvar.h"
7766f137
GS
3352# include "intrpvar.h"
3353/*
3354 * The following is a buffer where new variables must
acfe0abc 3355 * be defined to maintain binary compatibility with previous versions
7766f137
GS
3356 */
3357PERLVARA(object_compatibility,30, char)
49f531da 3358};
d4cce5f1 3359
79072805 3360#else
49f531da
NIS
3361struct interpreter {
3362 char broiled;
3363};
acfe0abc 3364#endif /* MULTIPLICITY */
79072805 3365
22fae026 3366typedef void *Thread;
22239a37
NIS
3367
3368/* Done with PERLVAR macros for now ... */
d4cce5f1 3369#undef PERLVAR
51371543 3370#undef PERLVARA
d4cce5f1 3371#undef PERLVARI
3fe35a81 3372#undef PERLVARIC
79072805 3373
49704364
LW
3374/* Types used by pack/unpack */
3375typedef enum {
3376 e_no_len, /* no length */
3377 e_number, /* number, [] */
3378 e_star /* asterisk */
3379} howlen_t;
3380
3381typedef struct {
3382 char* patptr; /* current template char */
3383 char* patend; /* one after last char */
3384 char* grpbeg; /* 1st char of ()-group */
3385 char* grpend; /* end of ()-group */
3386 I32 code; /* template code (!) */
3387 I32 length; /* length/repeat count */
3388 howlen_t howlen; /* how length is given */
3389 int level; /* () nesting level */
3390 U32 flags; /* /=4, comma=2, pack=1 */
3391} tempsym_t;
3392
22239a37 3393#include "thread.h"
79072805 3394#include "pp.h"
864dbfa3
GS
3395
3396#ifndef PERL_CALLCONV
3397# define PERL_CALLCONV
d460ef45 3398#endif
864dbfa3 3399
65f19062
GS
3400#ifndef NEXT30_NO_ATTRIBUTE
3401# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3402# ifdef __attribute__ /* Avoid possible redefinition errors */
3403# undef __attribute__
3404# endif
3405# define __attribute__(attr)
3406# endif
3407#endif
3408
0cb96387
GS
3409#undef PERL_CKDEF
3410#undef PERL_PPDEF
3411#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3412#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3413
7766f137 3414#include "proto.h"
864dbfa3 3415
0cb96387 3416/* this has structure inits, so it cannot be included before here */
acfe0abc 3417#include "opcode.h"
864dbfa3 3418
d4cce5f1
NIS
3419/* The following must follow proto.h as #defines mess up syntax */
3420
22c35a8c
GS
3421#if !defined(PERL_FOR_X2P)
3422# include "embedvar.h"
3423#endif
d4cce5f1 3424
d460ef45 3425/* Now include all the 'global' variables
d4cce5f1 3426 * If we don't have threads or multiple interpreters
d460ef45 3427 * these include variables that would have been their struct-s
d4cce5f1 3428 */
d460ef45 3429
533c011a 3430#define PERLVAR(var,type) EXT type PL_##var;
51371543 3431#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS
3432#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3433#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3434
acfe0abc 3435#if !defined(MULTIPLICITY)
7766f137 3436START_EXTERN_C
066ef5b5 3437# include "intrpvar.h"
3db8f154 3438# include "thrdvar.h"
7766f137 3439END_EXTERN_C
22239a37
NIS
3440#endif
3441
acfe0abc 3442#if defined(WIN32)
66a93824 3443/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3444# include "embed.h"
acfe0abc 3445#endif
22239a37 3446
c5be433b
GS
3447#ifndef PERL_GLOBAL_STRUCT
3448START_EXTERN_C
3449
3450# include "perlvars.h"
3451
3452END_EXTERN_C
3453#endif
3454
d4cce5f1 3455#undef PERLVAR
51371543 3456#undef PERLVARA
d4cce5f1 3457#undef PERLVARI
0f3f18a6 3458#undef PERLVARIC
79072805 3459
73c4f7a1
GS
3460START_EXTERN_C
3461
79072805 3462#ifdef DOINIT
bbce6d69 3463
68795e93 3464EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS
3465 MEMBER_TO_FPTR(Perl_magic_set),
3466 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3467 0, 0};
2b260de0
GS
3468EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3469 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3470 0};
2b260de0
GS
3471EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3472 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3473 0};
22c35a8c 3474EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH
3475#ifdef PERL_MICRO
3476EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3477#else
2b260de0
GS
3478EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3479 MEMBER_TO_FPTR(Perl_magic_setsig),
3480 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3481 0};
64ca3a65 3482#endif
68795e93
NIS
3483EXT MGVTBL PL_vtbl_pack = {0, 0,
3484 MEMBER_TO_FPTR(Perl_magic_sizepack),
3485 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3486 0};
2b260de0 3487EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3488 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3489 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3490 0};
2b260de0 3491EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3492 0, 0, 0};
2b260de0
GS
3493EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3494 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3495 0};
2b260de0 3496EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3497 0, 0, 0};
2b260de0
GS
3498EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3499 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3500 0, 0, 0};
2b260de0
GS
3501EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3502 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3503 0, 0, 0};
2b260de0 3504EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3505 0, 0, 0};
2b260de0
GS
3506EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3507 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3508 0, 0, 0};
68795e93
NIS
3509EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3510 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3511 0, 0, 0};
68795e93
NIS
3512EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3513 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3514 0, 0, 0};
2b260de0 3515EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3516 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3517 0, 0, 0};
2b260de0
GS
3518EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3519 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3520 0, 0, 0};
2b260de0 3521EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3522 0, 0, 0};
2b260de0 3523EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3524 0, 0, 0};
2b260de0
GS
3525EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3526 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3527 0, 0, 0};
68795e93
NIS
3528EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3529 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3530 0, 0, 0};
a0d0e21e 3531
faf82a0b 3532EXT MGVTBL PL_vtbl_regexp = {0, MEMBER_TO_FPTR(Perl_magic_setregexp),0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
2b260de0 3533EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG
3534EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3535 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3536
36477c24 3537#ifdef USE_LOCALE_COLLATE
22c35a8c 3538EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3539 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69
PP
3540 0, 0, 0};
3541#endif
a0d0e21e 3542
2b260de0
GS
3543EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3544 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3545EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3546 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3547
810b8aa5 3548EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3549 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3550
d460ef45
NIS
3551EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3552 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3553
7e8c5dac
HS
3554EXT MGVTBL PL_vtbl_utf8 = {0,
3555 MEMBER_TO_FPTR(Perl_magic_setutf8),
3556 0, 0, 0};
3557
bbce6d69
PP
3558#else /* !DOINIT */
3559
22c35a8c
GS
3560EXT MGVTBL PL_vtbl_sv;
3561EXT MGVTBL PL_vtbl_env;
3562EXT MGVTBL PL_vtbl_envelem;
3563EXT MGVTBL PL_vtbl_sig;
3564EXT MGVTBL PL_vtbl_sigelem;
3565EXT MGVTBL PL_vtbl_pack;
3566EXT MGVTBL PL_vtbl_packelem;
3567EXT MGVTBL PL_vtbl_dbline;
3568EXT MGVTBL PL_vtbl_isa;
3569EXT MGVTBL PL_vtbl_isaelem;
3570EXT MGVTBL PL_vtbl_arylen;
3571EXT MGVTBL PL_vtbl_glob;
3572EXT MGVTBL PL_vtbl_mglob;
3573EXT MGVTBL PL_vtbl_nkeys;
3574EXT MGVTBL PL_vtbl_taint;
3575EXT MGVTBL PL_vtbl_substr;
3576EXT MGVTBL PL_vtbl_vec;
3577EXT MGVTBL PL_vtbl_pos;
3578EXT MGVTBL PL_vtbl_bm;
3579EXT MGVTBL PL_vtbl_fm;
3580EXT MGVTBL PL_vtbl_uvar;
d460ef45 3581EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3582
22c35a8c
GS
3583EXT MGVTBL PL_vtbl_defelem;
3584EXT MGVTBL PL_vtbl_regexp;
3585EXT MGVTBL PL_vtbl_regdata;
3586EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3587
36477c24 3588#ifdef USE_LOCALE_COLLATE
22c35a8c 3589EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3590#endif
a0d0e21e 3591
22c35a8c
GS
3592EXT MGVTBL PL_vtbl_amagic;
3593EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3594
810b8aa5 3595EXT MGVTBL PL_vtbl_backref;
7e8c5dac 3596EXT MGVTBL PL_vtbl_utf8;
810b8aa5 3597
bbce6d69 3598#endif /* !DOINIT */
85e6fe83 3599
f5284f61
IZ
3600enum {
3601 fallback_amg, abs_amg,
3602 bool__amg, nomethod_amg,
3603 string_amg, numer_amg,
3604 add_amg, add_ass_amg,
3605 subtr_amg, subtr_ass_amg,
3606 mult_amg, mult_ass_amg,
3607 div_amg, div_ass_amg,
3608 modulo_amg, modulo_ass_amg,
3609 pow_amg, pow_ass_amg,
3610 lshift_amg, lshift_ass_amg,
3611 rshift_amg, rshift_ass_amg,
3612 band_amg, band_ass_amg,
3613 bor_amg, bor_ass_amg,
3614 bxor_amg, bxor_ass_amg,
3615 lt_amg, le_amg,
3616 gt_amg, ge_amg,
3617 eq_amg, ne_amg,
3618 ncmp_amg, scmp_amg,
3619 slt_amg, sle_amg,
3620 sgt_amg, sge_amg,
3621 seq_amg, sne_amg,
3622 not_amg, compl_amg,
3623 inc_amg, dec_amg,
3624 atan2_amg, cos_amg,
3625 sin_amg, exp_amg,
3626 log_amg, sqrt_amg,
3627 repeat_amg, repeat_ass_amg,
3628 concat_amg, concat_ass_amg,
3629 copy_amg, neg_amg,
3630 to_sv_amg, to_av_amg,
3631 to_hv_amg, to_gv_amg,
d460ef45 3632 to_cv_amg, iter_amg,
f216259d
IZ
3633 int_amg, DESTROY_amg,
3634 max_amg_code
64a0062a 3635 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ
3636};
3637
3638#define NofAMmeth max_amg_code
89ffc314 3639#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3640
a0d0e21e 3641#ifdef DOINIT
22c35a8c 3642EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ
3643 /* Names kept in the symbol table. fallback => "()", the rest has
3644 "(" prepended. The only other place in perl which knows about
3645 this convention is AMG_id2name (used for debugging output and
3646 'nomethod' only), the only other place which has it hardwired is
3647 overload.pm. */
3648 "()", "(abs", /* "fallback" should be the first. */
3649 "(bool", "(nomethod",
3650 "(\"\"", "(0+",
3651 "(+", "(+=",
3652 "(-", "(-=",
3653 "(*", "(*=",
3654 "(/", "(/=",
3655 "(%", "(%=",
3656 "(**", "(**=",
3657 "(<<", "(<<=",
3658 "(>>", "(>>=",
3659 "(&", "(&=",
3660 "(|", "(|=",
3661 "(^", "(^=",
3662 "(<", "(<=",
3663 "(>", "(>=",
3664 "(==", "(!=",
3665 "(<=>", "(cmp",
3666 "(lt", "(le",
3667 "(gt", "(ge",
3668 "(eq", "(ne",
3669 "(!", "(~",
3670 "(++", "(--",
3671 "(atan2", "(cos",
3672 "(sin", "(exp",
3673 "(log", "(sqrt",
3674 "(x", "(x=",
3675 "(.", "(.=",
3676 "(=", "(neg",
3677 "(${}", "(@{}",
3678 "(%{}", "(*{}",
3679 "(&{}", "(<>",
f216259d 3680 "(int", "DESTROY",
a0d0e21e
LW
3681};
3682#else
22c35a8c 3683EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW
3684#endif /* def INITAMAGIC */
3685
73c4f7a1
GS
3686END_EXTERN_C
3687
a6006777 3688struct am_table {
eb160463 3689 U32 was_ok_sub;
a0d0e21e 3690 long was_ok_am;
a6006777
PP
3691 U32 flags;
3692 CV* table[NofAMmeth];
a0d0e21e
LW
3693 long fallback;
3694};
a6006777 3695struct am_table_short {
eb160463 3696 U32 was_ok_sub;
a6006777
PP
3697 long was_ok_am;
3698 U32 flags;
3699};
a0d0e21e 3700typedef struct am_table AMT;
a6006777 3701typedef struct am_table_short AMTS;
a0d0e21e
LW
3702
3703#define AMGfallNEVER 1
3704#define AMGfallNO 2
3705#define AMGfallYES 3
3706
a6006777 3707#define AMTf_AMAGIC 1
32251b26 3708#define AMTf_OVERLOADED 2
a6006777
PP
3709#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3710#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3711#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ
3712#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3713#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3714#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3715
32251b26 3716#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH
3717
3718/*
3719 * some compilers like to redefine cos et alia as faster
3720 * (and less accurate?) versions called F_cos et cetera (Quidquid
3721 * latine dictum sit, altum viditur.) This trick collides with
3722 * the Perl overloading (amg). The following #defines fool both.
3723 */
3724
3725#ifdef _FASTMATH
3726# ifdef atan2
3727# define F_atan2_amg atan2_amg
3728# endif
3729# ifdef cos
3730# define F_cos_amg cos_amg
3731# endif
3732# ifdef exp
3733# define F_exp_amg exp_amg
3734# endif
3735# ifdef log
3736# define F_log_amg log_amg
3737# endif
3738# ifdef pow
3739# define F_pow_amg pow_amg
3740# endif
3741# ifdef sin
3742# define F_sin_amg sin_amg
3743# endif
3744# ifdef sqrt
3745# define F_sqrt_amg sqrt_amg
3746# endif
3747#endif /* _FASTMATH */
3748
83ee9e09
GS
3749#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3750 PERLDBf_NOOPT | PERLDBf_INTER | \
3751 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF
3752 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
3753 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS
3754#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3755#define PERLDBf_LINE 0x02 /* Keep line # */