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a0d0e21e 1/* perl.h
a687059c 2 *
be3c0a43 3 * Copyright (c) 1987-2002, Larry Wall
a687059c 4 *
352d5a3a
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5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
8d063cd8 7 *
8d063cd8 8 */
85e6fe83
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9#ifndef H_PERL
10#define H_PERL 1
8d063cd8 11
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12#ifdef PERL_FOR_X2P
13/*
d460ef45 14 * This file is being used for x2p stuff.
760ac839 15 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 16 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 17 */
55497cff 18#undef MULTIPLICITY
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19#undef USE_STDIO
20#define USE_STDIO
21#endif /* PERL_FOR_X2P */
22
0cb96387 23#define VOIDUSED 1
d460ef45 24#ifdef PERL_MICRO
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25# include "uconfig.h"
26#else
27# include "config.h"
28#endif
0cb96387 29
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30#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
31# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
32#endif
33
34/* XXX This next guard can disappear if the sources are revised
35 to use USE_5005THREADS throughout. -- A.D 1/6/2000
36*/
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37#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
38# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
aaacdc8b
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39#endif
40
2c2d71f5
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41/* See L<perlguts/"The Perl API"> for detailed notes on
42 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
43
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44#ifdef PERL_IMPLICIT_SYS
45/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
46 so use slab allocator to avoid lots of MUTEX overhead
47 */
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48# ifndef PL_OP_SLAB_ALLOC
49# define PL_OP_SLAB_ALLOC
ba979b31
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50# endif
51#endif
52
6f4183fe 53#ifdef USE_ITHREADS
acfe0abc 54# if !defined(MULTIPLICITY)
6f4183fe
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55# define MULTIPLICITY
56# endif
57#endif
58
4d1ff10f 59#ifdef USE_5005THREADS
c5be433b
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60# ifndef PERL_IMPLICIT_CONTEXT
61# define PERL_IMPLICIT_CONTEXT
62# endif
c5be433b
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63#endif
64
c5be433b
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65#if defined(MULTIPLICITY)
66# ifndef PERL_IMPLICIT_CONTEXT
67# define PERL_IMPLICIT_CONTEXT
68# endif
c5be433b
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69#endif
70
c5be433b 71#ifdef PERL_IMPLICIT_CONTEXT
4d1ff10f 72# ifdef USE_5005THREADS
c5be433b 73struct perl_thread;
24e8e624 74# define pTHX register struct perl_thread *thr PERL_UNUSED_DECL
c5be433b 75# define aTHX thr
411caa50 76# define dTHR dNOOP /* only backward compatibility */
fd89de3a 77# define dTHXa(a) pTHX = (struct perl_thread*)a
c5be433b 78# else
f63b9778
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79# ifndef MULTIPLICITY
80# define MULTIPLICITY
81# endif
24e8e624 82# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
c5be433b 83# define aTHX my_perl
fd89de3a 84# define dTHXa(a) pTHX = (PerlInterpreter*)a
c5be433b 85# endif
fd89de3a 86# define dTHX pTHX = PERL_GET_THX
c5be433b 87# define pTHX_ pTHX,
c5be433b 88# define aTHX_ aTHX,
894356b3
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89# define pTHX_1 2
90# define pTHX_2 3
91# define pTHX_3 4
92# define pTHX_4 5
c5be433b
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93#endif
94
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95#define STATIC static
96#define CPERLscope(x) x
565764a8 97#define CPERLarg void
76e3520e 98#define CPERLarg_
e3b8966e 99#define _CPERLarg
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100#define PERL_OBJECT_THIS
101#define _PERL_OBJECT_THIS
102#define PERL_OBJECT_THIS_
312caa8e 103#define CALL_FPTR(fptr) (*fptr)
76e3520e 104
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105#define CALLRUNOPS CALL_FPTR(PL_runops)
106#define CALLREGCOMP CALL_FPTR(PL_regcompp)
107#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
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108#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
109#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
110#define CALLREGFREE CALL_FPTR(PL_regfree)
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111
112#ifdef PERL_FLEXIBLE_EXCEPTIONS
113# define CALLPROTECT CALL_FPTR(PL_protect)
114#endif
312caa8e 115
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116#ifdef HASATTRIBUTE
117# define PERL_UNUSED_DECL __attribute__((unused))
118#else
119# define PERL_UNUSED_DECL
120#endif
121
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122/* gcc -Wall:
123 * for silencing unused variables that are actually used most of the time,
124 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
125 */
126#define PERL_UNUSED_VAR(var) if (0) var = var
127
0cb96387 128#define NOOP (void)0
44dbb695 129#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 130
0cb96387
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131#ifndef pTHX
132# define pTHX void
133# define pTHX_
0cb96387
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134# define aTHX
135# define aTHX_
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136# define dTHXa(a) dNOOP
137# define dTHX dNOOP
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138# define pTHX_1 1
139# define pTHX_2 2
140# define pTHX_3 3
141# define pTHX_4 4
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142#endif
143
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144/* these are only defined for compatibility; should not be used internally */
145#if !defined(pTHXo) && !defined(PERL_CORE)
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146# define pTHXo pTHX
147# define pTHXo_ pTHX_
0cb96387
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148# define aTHXo aTHX
149# define aTHXo_ aTHX_
c5be433b 150# define dTHXo dTHX
71d280e3 151# define dTHXoa(x) dTHXa(x)
0cb96387
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152#endif
153
154#ifndef pTHXx
155# define pTHXx register PerlInterpreter *my_perl
156# define pTHXx_ pTHXx,
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157# define aTHXx my_perl
158# define aTHXx_ aTHXx,
c5be433b 159# define dTHXx dTHX
22c35a8c 160#endif
71be2cbc 161
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162/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
163 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
164 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
165#ifdef PERL_IMPLICIT_SYS
166# define dTHXs dTHX
167#else
168# define dTHXs dNOOP
169#endif
170
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171#undef START_EXTERN_C
172#undef END_EXTERN_C
173#undef EXTERN_C
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174#ifdef __cplusplus
175# define START_EXTERN_C extern "C" {
176# define END_EXTERN_C }
177# define EXTERN_C extern "C"
178#else
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179# define START_EXTERN_C
180# define END_EXTERN_C
73c4f7a1 181# define EXTERN_C extern
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182#endif
183
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184#ifdef OP_IN_REGISTER
185# ifdef __GNUC__
186# define stringify_immed(s) #s
187# define stringify(s) stringify_immed(s)
d1ca3daa 188register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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189# endif
190#endif
191
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192/*
193 * STMT_START { statements; } STMT_END;
194 * can be used as a single statement, as in
195 * if (x) STMT_START { ... } STMT_END; else ...
196 *
197 * Trying to select a version that gives no warnings...
198 */
199#if !(defined(STMT_START) && defined(STMT_END))
169d69b2 200# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
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PP
201# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
202# define STMT_END )
203# else
204 /* Now which other defined()s do we need here ??? */
205# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
206# define STMT_START if (1)
207# define STMT_END else (void)0
208# else
209# define STMT_START do
210# define STMT_END while (0)
211# endif
212# endif
213#endif
214
0cb96387 215#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 216#define WITH_THR(s) WITH_THX(s)
ea0efc06 217
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218/*
219 * SOFT_CAST can be used for args to prototyped functions to retain some
220 * type checking; it only casts if the compiler does not know prototypes.
221 */
222#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
223#define SOFT_CAST(type)
224#else
225#define SOFT_CAST(type) (type)
226#endif
79072805 227
6ee623d5 228#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
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229# define BYTEORDER 0x1234
230#endif
231
232/* Overall memory policy? */
233#ifndef CONSERVATIVE
234# define LIBERAL 1
235#endif
236
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237#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
238#define ASCIIish
239#else
240#undef ASCIIish
241#endif
242
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243/*
244 * The following contortions are brought to you on behalf of all the
245 * standards, semi-standards, de facto standards, not-so-de-facto standards
246 * of the world, as well as all the other botches anyone ever thought of.
247 * The basic theory is that if we work hard enough here, the rest of the
248 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
249 */
ac58e20f 250
ee0007ab 251/* define this once if either system, instead of cluttering up the src */
2986a63f 252#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
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253#define DOSISH 1
254#endif
255
2986a63f 256#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
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257# define STANDARD_C 1
258#endif
259
2986a63f 260#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
68dc0745
PP
261# define DONT_DECLARE_STD 1
262#endif
263
352d5a3a 264#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 265# ifdef __cplusplus
cb69f87a 266# define VOL /* to temporarily suppress warnings */
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267# else
268# define VOL volatile
269# endif
663a0e37 270#else
79072805 271# define VOL
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272#endif
273
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274#define TAINT (PL_tainted = TRUE)
275#define TAINT_NOT (PL_tainted = FALSE)
276#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
277#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 278#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 279
d460ef45 280/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
281 defines move there? If so, I could simplify this a lot. --AD 9/96.
282*/
283/* Process group stuff changed from traditional BSD to POSIX.
284 perlfunc.pod documents the traditional BSD-style syntax, so we'll
285 try to preserve that, if possible.
286*/
287#ifdef HAS_SETPGID
288# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 289#else
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PP
290# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
291# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
292# else
293# ifdef HAS_SETPGRP2 /* DG/UX */
294# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
295# endif
296# endif
297#endif
298#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
299# define HAS_SETPGRP /* Well, effectively it does . . . */
300#endif
301
302/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
303 our life easier :-) so we'll try it.
304*/
305#ifdef HAS_GETPGID
306# define BSD_GETPGRP(pid) getpgid((pid))
307#else
308# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
309# define BSD_GETPGRP(pid) getpgrp((pid))
310# else
311# ifdef HAS_GETPGRP2 /* DG/UX */
312# define BSD_GETPGRP(pid) getpgrp2((pid))
313# endif
314# endif
315#endif
316#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
317# define HAS_GETPGRP /* Well, effectively it does . . . */
318#endif
319
d460ef45 320/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
321 have different behaviors, but perl.h used to define USE_BSDPGRP
322 (prior to 5.003_05) so some extension might depend on it.
323*/
324#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
325# ifndef USE_BSDPGRP
326# define USE_BSDPGRP
327# endif
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328#endif
329
3d62afa2 330/* Use the reentrant APIs like localtime_r and getpwent_r */
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331/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
332#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(WIN32)
d8916601 333# define USE_REENTRANT_API
3d62afa2
JH
334#endif
335
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336/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
337 pthread.h must be included before all other header files.
338*/
4d1ff10f 339#if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) \
1feb2720 340 && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
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MH
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
092bebab
JH
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
a0d0e21e
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382#endif
383
12ae5dfc
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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>
4633a7c4
LW
390#endif
391
36477c24
PP
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
79072805
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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
3f270f98
JH
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)
2ef53570
JH
426int syscall(int, ...);
427#endif
428
7114a2d2 429#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 430int usleep(unsigned int);
2ef53570
JH
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))
cea2e8a9
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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
55497cff
PP
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
86058a2d
GS
465# define Perl_malloc malloc
466# define Perl_calloc calloc
467# define Perl_realloc realloc
468# define Perl_mfree free
ee13e175 469# endif
86058a2d
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470# else
471# define EMBEDMYMALLOC /* for compatibility */
472# endif
20ce7b12
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473Malloc_t Perl_malloc (MEM_SIZE nbytes);
474Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
475Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
86058a2d
GS
476/* 'mfree' rather than 'free', since there is already a 'perl_free'
477 * that causes clashes with case-insensitive linkers */
20ce7b12 478Free_t Perl_mfree (Malloc_t where);
55497cff 479
827e134a
GS
480typedef struct perl_mstats perl_mstats_t;
481
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482# define safemalloc Perl_malloc
483# define safecalloc Perl_calloc
484# define saferealloc Perl_realloc
485# define safefree Perl_mfree
f2517201
GS
486#else /* MYMALLOC */
487# define safemalloc safesysmalloc
488# define safecalloc safesyscalloc
489# define saferealloc safesysrealloc
490# define safefree safesysfree
55497cff 491#endif /* MYMALLOC */
4633a7c4 492
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LW
493#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
494#define strchr index
495#define strrchr rindex
496#endif
497
16d20bd9
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498#ifdef I_MEMORY
499# include <memory.h>
500#endif
501
fe14fcc3 502#ifdef HAS_MEMCPY
85e6fe83 503# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 504# ifndef memcpy
20ce7b12 505 extern char * memcpy (char*, char*, int);
ee0007ab
LW
506# endif
507# endif
508#else
509# ifndef memcpy
510# ifdef HAS_BCOPY
511# define memcpy(d,s,l) bcopy(s,d,l)
512# else
513# define memcpy(d,s,l) my_bcopy(s,d,l)
514# endif
515# endif
516#endif /* HAS_MEMCPY */
fe14fcc3 517
ee0007ab 518#ifdef HAS_MEMSET
85e6fe83 519# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 520# ifndef memset
20ce7b12 521 extern char *memset (char*, int, int);
ee0007ab
LW
522# endif
523# endif
ee0007ab 524#else
12ae5dfc 525# undef memset
fc36a67e 526# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
527#endif /* HAS_MEMSET */
528
85e6fe83 529#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 530# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
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531# define memmove(d,s,l) bcopy(s,d,l)
532# else
2304df62 533# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 534# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 535# else
79072805 536# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 537# endif
352d5a3a 538# endif
d9d8d8de 539#endif
ee0007ab 540
36477c24
PP
541#if defined(mips) && defined(ultrix) && !defined(__STDC__)
542# undef HAS_MEMCMP
543#endif
544
545#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 546# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 547# ifndef memcmp
20ce7b12 548 extern int memcmp (char*, char*, int);
ee0007ab
LW
549# endif
550# endif
36477c24
PP
551# ifdef BUGGY_MSC
552 # pragma function(memcmp)
553# endif
ee0007ab
LW
554#else
555# ifndef memcmp
ecfc5424 556# define memcmp my_memcmp
352d5a3a 557# endif
36477c24 558#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 559
fc36a67e 560#ifndef memzero
c635e13b
PP
561# ifdef HAS_MEMSET
562# define memzero(d,l) memset(d,0,l)
79072805 563# else
c635e13b
PP
564# ifdef HAS_BZERO
565# define memzero(d,l) bzero(d,l)
79072805 566# else
fc36a67e 567# define memzero(d,l) my_bzero(d,l)
79072805
LW
568# endif
569# endif
d9d8d8de 570#endif
378cc40b 571
0f27ced1
JH
572#ifndef memchr
573# ifndef HAS_MEMCHR
574# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
575# endif
576#endif
577
36477c24
PP
578#ifndef HAS_BCMP
579# ifndef bcmp
580# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 581# endif
36477c24 582#endif /* !HAS_BCMP */
378cc40b 583
ae986130 584#ifdef I_NETINET_IN
79072805 585# include <netinet/in.h>
ae986130
LW
586#endif
587
28e8609d
JH
588#ifdef I_ARPA_INET
589# include <arpa/inet.h>
590#endif
591
84902520
TB
592#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
593/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
594 * (the neo-BSD seem to do this). */
595# undef SF_APPEND
596#endif
597
1aef975c 598#ifdef I_SYS_STAT
84902520 599# include <sys/stat.h>
1aef975c 600#endif
79072805 601
a0d0e21e
LW
602/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
603 like UTekV) are broken, sometimes giving false positives. Undefine
604 them here and let the code below set them to proper values.
605
606 The ghs macro stands for GreenHills Software C-1.8.5 which
607 is the C compiler for sysV88 and the various derivatives.
608 This header file bug is corrected in gcc-2.5.8 and later versions.
609 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
610
611#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
612# undef S_ISDIR
613# undef S_ISCHR
614# undef S_ISBLK
615# undef S_ISREG
616# undef S_ISFIFO
617# undef S_ISLNK
ee0007ab 618#endif
135863df 619
663a0e37
LW
620#ifdef I_TIME
621# include <time.h>
ffed7fef 622#endif
663a0e37 623
fe14fcc3 624#ifdef I_SYS_TIME
85e6fe83 625# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
626# define KERNEL
627# endif
628# include <sys/time.h>
85e6fe83 629# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
630# undef KERNEL
631# endif
a687059c 632#endif
135863df 633
55497cff 634#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 635# include <sys/times.h>
d9d8d8de 636#endif
8d063cd8 637
fe14fcc3 638#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 639# undef HAS_STRERROR
663a0e37
LW
640#endif
641
642#include <errno.h>
1e743fda 643
acfe0abc 644#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
645# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
646#endif
647
4e0554ec
JH
648/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */
649#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
650# define _SOCKADDR_LEN
651#endif
652
8d3f517a 653#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
654# include <sys/socket.h>
655# if defined(USE_SOCKS) && defined(I_SOCKS)
656# if !defined(INCLUDE_PROTOTYPES)
657# define INCLUDE_PROTOTYPES /* for <socks.h> */
658# define PERL_SOCKS_NEED_PROTOTYPES
659# endif
4d1ff10f 660# ifdef USE_5005THREADS
c3dedce1 661# define PERL_USE_THREADS /* store our value */
4d1ff10f 662# undef USE_5005THREADS
c3dedce1 663# endif
1e743fda 664# include <socks.h>
4d1ff10f
AB
665# ifdef USE_5005THREADS
666# undef USE_5005THREADS /* socks.h does this on its own */
c3dedce1
JH
667# endif
668# ifdef PERL_USE_THREADS
4d1ff10f 669# define USE_5005THREADS /* restore our value */
c3dedce1
JH
670# undef PERL_USE_THREADS
671# endif
1e743fda
JH
672# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
673# undef INCLUDE_PROTOTYPES
674# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 675# endif
d460ef45 676# endif
1e743fda 677# ifdef I_NETDB
2986a63f
JH
678# ifdef NETWARE
679# include<stdio.h>
680# endif
1e743fda
JH
681# include <netdb.h>
682# endif
683# ifndef ENOTSOCK
684# ifdef I_NET_ERRNO
685# include <net/errno.h>
686# endif
687# endif
688#endif
689
fa0a29af 690/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 691 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 692#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH
693int sockatmark(int);
694#endif
695
1e743fda
JH
696#ifdef SETERRNO
697# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 698#endif
f86702cc
PP
699
700#ifdef VMS
701# define SETERRNO(errcode,vmserrcode) \
702 STMT_START { \
703 set_errno(errcode); \
704 set_vaxc_errno(vmserrcode); \
705 } STMT_END
748a9306 706#else
aba27d88 707# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
748a9306 708#endif
ed6116ce 709
4d1ff10f 710#ifdef USE_5005THREADS
38a03e6e 711# define ERRSV (thr->errsv)
940cb80d
MB
712# define DEFSV THREADSV(0)
713# define SAVE_DEFSV save_threadsv(0)
38a03e6e 714#else
3280af22 715# define ERRSV GvSV(PL_errgv)
3280af22
NIS
716# define DEFSV GvSV(PL_defgv)
717# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
4d1ff10f 718#endif /* USE_5005THREADS */
38a03e6e 719
98eae8f5
GS
720#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
721
55497cff 722#ifndef errno
5ff3f7a4
GS
723 extern int errno; /* ANSI allows errno to be an lvalue expr.
724 * For example in multithreaded environments
725 * something like this might happen:
726 * extern int *_errno(void);
727 * #define errno (*_errno()) */
d9d8d8de 728#endif
663a0e37 729
2304df62 730#ifdef HAS_STRERROR
a0d0e21e 731# ifdef VMS
20ce7b12 732 char *strerror (int,...);
a0d0e21e 733# else
68dc0745 734#ifndef DONT_DECLARE_STD
20ce7b12 735 char *strerror (int);
68dc0745 736#endif
a0d0e21e 737# endif
2304df62
AD
738# ifndef Strerror
739# define Strerror strerror
740# endif
741#else
742# ifdef HAS_SYS_ERRLIST
79072805
LW
743 extern int sys_nerr;
744 extern char *sys_errlist[];
2304df62
AD
745# ifndef Strerror
746# define Strerror(e) \
79072805 747 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 748# endif
79072805 749# endif
35c8bce7 750#endif
663a0e37 751
2304df62 752#ifdef I_SYS_IOCTL
79072805
LW
753# ifndef _IOCTL_
754# include <sys/ioctl.h>
755# endif
a687059c
LW
756#endif
757
ee0007ab 758#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
759# ifdef HAS_SOCKETPAIR
760# undef HAS_SOCKETPAIR
761# endif
2304df62
AD
762# ifdef I_NDBM
763# undef I_NDBM
79072805 764# endif
a687059c
LW
765#endif
766
02fc2eee
NC
767#ifndef HAS_SOCKETPAIR
768# ifdef HAS_SOCKET
769# define socketpair Perl_my_socketpair
770# endif
771#endif
772
a687059c 773#if INTSIZE == 2
79072805
LW
774# define htoni htons
775# define ntohi ntohs
a687059c 776#else
79072805
LW
777# define htoni htonl
778# define ntohi ntohl
a687059c
LW
779#endif
780
a0d0e21e 781/* Configure already sets Direntry_t */
35c8bce7 782#if defined(I_DIRENT)
663a0e37 783# include <dirent.h>
8f1f23e8
W
784 /* NeXT needs dirent + sys/dir.h */
785# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
786# include <sys/dir.h>
787# endif
ae986130 788#else
fe14fcc3 789# ifdef I_SYS_NDIR
79a0689e 790# include <sys/ndir.h>
663a0e37 791# else
fe14fcc3 792# ifdef I_SYS_DIR
79a0689e
LW
793# ifdef hp9000s500
794# include <ndir.h> /* may be wrong in the future */
795# else
796# include <sys/dir.h>
797# endif
663a0e37
LW
798# endif
799# endif
4633a7c4 800#endif
a687059c 801
12ae5dfc
JH
802#ifdef PERL_MICRO
803# ifndef DIR
804# define DIR void
805# endif
806#endif
807
352d5a3a
LW
808#ifdef FPUTS_BOTCH
809/* work around botch in SunOS 4.0.1 and 4.0.2 */
810# ifndef fputs
79072805 811# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
812# endif
813#endif
814
c623bd54
LW
815/*
816 * The following gobbledygook brought to you on behalf of __STDC__.
817 * (I could just use #ifndef __STDC__, but this is more bulletproof
818 * in the face of half-implementations.)
819 */
820
7114a2d2 821#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
822#include <sys/mode.h>
823#endif
824
c623bd54
LW
825#ifndef S_IFMT
826# ifdef _S_IFMT
827# define S_IFMT _S_IFMT
828# else
829# define S_IFMT 0170000
830# endif
831#endif
832
833#ifndef S_ISDIR
834# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
835#endif
836
837#ifndef S_ISCHR
838# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
839#endif
840
841#ifndef S_ISBLK
fe14fcc3
LW
842# ifdef S_IFBLK
843# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
844# else
845# define S_ISBLK(m) (0)
846# endif
c623bd54
LW
847#endif
848
849#ifndef S_ISREG
850# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
851#endif
852
853#ifndef S_ISFIFO
fe14fcc3
LW
854# ifdef S_IFIFO
855# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
856# else
857# define S_ISFIFO(m) (0)
858# endif
c623bd54
LW
859#endif
860
861#ifndef S_ISLNK
862# ifdef _S_ISLNK
863# define S_ISLNK(m) _S_ISLNK(m)
864# else
865# ifdef _S_IFLNK
866# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
867# else
868# ifdef S_IFLNK
869# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
870# else
871# define S_ISLNK(m) (0)
872# endif
873# endif
874# endif
875#endif
876
877#ifndef S_ISSOCK
878# ifdef _S_ISSOCK
879# define S_ISSOCK(m) _S_ISSOCK(m)
880# else
881# ifdef _S_IFSOCK
882# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
883# else
884# ifdef S_IFSOCK
885# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
886# else
887# define S_ISSOCK(m) (0)
888# endif
889# endif
890# endif
891#endif
892
893#ifndef S_IRUSR
894# ifdef S_IREAD
895# define S_IRUSR S_IREAD
896# define S_IWUSR S_IWRITE
897# define S_IXUSR S_IEXEC
898# else
899# define S_IRUSR 0400
900# define S_IWUSR 0200
901# define S_IXUSR 0100
902# endif
fac7cdfc 903#endif
904
905#ifndef S_IRGRP
906# ifdef S_IRUSR
907# define S_IRGRP (S_IRUSR>>3)
908# define S_IWGRP (S_IWUSR>>3)
909# define S_IXGRP (S_IXUSR>>3)
910# else
911# define S_IRGRP 0040
912# define S_IWGRP 0020
913# define S_IXGRP 0010
914# endif
915#endif
916
917#ifndef S_IROTH
918# ifdef S_IRUSR
919# define S_IROTH (S_IRUSR>>6)
920# define S_IWOTH (S_IWUSR>>6)
921# define S_IXOTH (S_IXUSR>>6)
922# else
923# define S_IROTH 0040
924# define S_IWOTH 0020
925# define S_IXOTH 0010
926# endif
c623bd54
LW
927#endif
928
929#ifndef S_ISUID
930# define S_ISUID 04000
931#endif
932
933#ifndef S_ISGID
934# define S_ISGID 02000
935#endif
936
ca6e1c26
JH
937#ifndef S_IRWXU
938# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 939#endif
ca6e1c26
JH
940
941#ifndef S_IRWXG
942# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 943#endif
ca6e1c26
JH
944
945#ifndef S_IRWXO
946# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 947#endif
ca6e1c26 948
c21fb2b8
JH
949/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
950 * which would get included through <sys/file.h >, but that is 3000
951 * lines in the future. --jhi */
952
953#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
954# define S_IREAD S_IRUSR
955#endif
956
c21fb2b8 957#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
958# define S_IWRITE S_IWUSR
959#endif
960
961#ifndef S_IEXEC
962# define S_IEXEC S_IXUSR
963#endif
964
79072805
LW
965#ifdef ff_next
966# undef ff_next
352d5a3a
LW
967#endif
968
a0d0e21e 969#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
970# define SLOPPYDIVIDE
971#endif
972
748a9306
LW
973#ifdef UV
974#undef UV
975#endif
976
c89df6bf
JH
977#ifdef SPRINTF_E_BUG
978# define sprintf UTS_sprintf_wrap
979#endif
980
c495e728
JH
981/* Configure gets this right but the UTS compiler gets it wrong.
982 -- Hal Morris <hom00@utsglobal.com> */
983#ifdef UTS
984# undef UVTYPE
985# define UVTYPE unsigned
986#endif
987
05f13f53 988/*
27d4fb96
PP
989 The IV type is supposed to be long enough to hold any integral
990 value or a pointer.
991 --Andy Dougherty August 1996
992*/
993
a22e52b9
JH
994typedef IVTYPE IV;
995typedef UVTYPE UV;
8175356b 996
10cc9d2a 997#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 998# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
999# define IV_MAX INT64_MAX
1000# define IV_MIN INT64_MIN
1001# define UV_MAX UINT64_MAX
cae7ae48
JH
1002# ifndef UINT64_MIN
1003# define UINT64_MIN 0
1004# endif
5ff3f7a4
GS
1005# define UV_MIN UINT64_MIN
1006# else
1007# define IV_MAX PERL_QUAD_MAX
1008# define IV_MIN PERL_QUAD_MIN
1009# define UV_MAX PERL_UQUAD_MAX
1010# define UV_MIN PERL_UQUAD_MIN
1011# endif
cf2093f6
JH
1012# define IV_IS_QUAD
1013# define UV_IS_QUAD
79072805 1014#else
8175356b 1015# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1016# define IV_MAX INT32_MAX
1017# define IV_MIN INT32_MIN
716026f9
DL
1018# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1019# define UV_MAX UINT32_MAX
1020# else
1021# define UV_MAX 4294967295U
1022# endif
cae7ae48
JH
1023# ifndef UINT32_MIN
1024# define UINT32_MIN 0
1025# endif
5ff3f7a4
GS
1026# define UV_MIN UINT32_MIN
1027# else
1028# define IV_MAX PERL_LONG_MAX
1029# define IV_MIN PERL_LONG_MIN
1030# define UV_MAX PERL_ULONG_MAX
1031# define UV_MIN PERL_ULONG_MIN
1032# endif
8175356b 1033# if IVSIZE == 8
cf2093f6
JH
1034# define IV_IS_QUAD
1035# define UV_IS_QUAD
de1c2614
JH
1036# ifndef HAS_QUAD
1037# define HAS_QUAD
1038# endif
cf2093f6
JH
1039# else
1040# undef IV_IS_QUAD
1041# undef UV_IS_QUAD
de1c2614 1042# undef HAS_QUAD
cf2093f6 1043# endif
79072805 1044#endif
d7d93a81 1045
6cde8aec 1046#if defined(uts) || defined(UTS)
11afe549
HM
1047# undef UV_MAX
1048# define UV_MAX (4294967295u)
20601011
JH
1049#endif
1050
cae7ae48 1051#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1052#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1053
28e5dec8 1054#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1055#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1056#endif
1057
d460ef45 1058/*
26bb67e2
JH
1059 * The macros INT2PTR and NUM2PTR are (despite their names)
1060 * bi-directional: they will convert int/float to or from pointers.
1061 * However the conversion to int/float are named explicitly:
1062 * PTR2IV, PTR2UV, PTR2NV.
1063 *
1064 * For int conversions we do not need two casts if pointers are
1065 * the same size as IV and UV. Otherwise we need an explicit
1066 * cast (PTRV) to avoid compiler warnings.
1067 */
56431972
RB
1068#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1069# define PTRV UV
1070# define INT2PTR(any,d) (any)(d)
1071#else
d460ef45 1072# if PTRSIZE == LONGSIZE
56431972 1073# define PTRV unsigned long
42718184 1074# else
56431972 1075# define PTRV unsigned
42718184 1076# endif
56431972 1077# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1078#endif
56431972
RB
1079#define NUM2PTR(any,d) (any)(PTRV)(d)
1080#define PTR2IV(p) INT2PTR(IV,p)
1081#define PTR2UV(p) INT2PTR(UV,p)
1082#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1083#if PTRSIZE == LONGSIZE
d2560b70
RB
1084# define PTR2ul(p) (unsigned long)(p)
1085#else
1086# define PTR2ul(p) INT2PTR(unsigned long,p)
1087#endif
d460ef45 1088
65202027 1089#ifdef USE_LONG_DOUBLE
1048ea30
JH
1090# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1091# define LONG_DOUBLE_EQUALS_DOUBLE
1092# endif
68d4903c 1093# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1094# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1095# endif
1096#endif
1097
2d4389e4
JH
1098#ifdef OVR_DBL_DIG
1099/* Use an overridden DBL_DIG */
1100# ifdef DBL_DIG
1101# undef DBL_DIG
1102# endif
1103# define DBL_DIG OVR_DBL_DIG
1104#else
1105/* The following is all to get DBL_DIG, in order to pick a nice
1106 default value for printing floating point numbers in Gconvert.
1107 (see config.h)
1108*/
1109#ifdef I_LIMITS
1110#include <limits.h>
1111#endif
1112#ifdef I_FLOAT
1113#include <float.h>
1114#endif
1115#ifndef HAS_DBL_DIG
1116#define DBL_DIG 15 /* A guess that works lots of places */
1117#endif
1118#endif
cbca01e1
JH
1119#ifdef I_FLOAT
1120#include <float.h>
1121#endif
1122#ifndef HAS_DBL_DIG
1123#define DBL_DIG 15 /* A guess that works lots of places */
1124#endif
2d4389e4
JH
1125
1126#ifdef OVR_LDBL_DIG
1127/* Use an overridden LDBL_DIG */
1128# ifdef LDBL_DIG
1129# undef LDBL_DIG
1130# endif
1131# define LDBL_DIG OVR_LDBL_DIG
1132#else
1133/* The following is all to get LDBL_DIG, in order to pick a nice
1134 default value for printing floating point numbers in Gconvert.
1135 (see config.h)
1136*/
68d4903c
JH
1137# ifdef I_LIMITS
1138# include <limits.h>
1139# endif
1140# ifdef I_FLOAT
1141# include <float.h>
1142# endif
1143# ifndef HAS_LDBL_DIG
1144# if LONG_DOUBLESIZE == 10
1145# define LDBL_DIG 18 /* assume IEEE */
1146# else
1147# if LONG_DOUBLESIZE == 12
1148# define LDBL_DIG 18 /* gcc? */
1149# else
1150# if LONG_DOUBLESIZE == 16
1151# define LDBL_DIG 33 /* assume IEEE */
1152# else
1153# if LONG_DOUBLESIZE == DOUBLESIZE
1154# define LDBL_DIG DBL_DIG /* bummer */
1155# endif
1156# endif
1157# endif
1158# endif
1159# endif
2d4389e4
JH
1160#endif
1161
a22e52b9 1162typedef NVTYPE NV;
8175356b 1163
792d8dab
JH
1164#ifdef I_IEEEFP
1165# include <ieeefp.h>
1166#endif
923fc586 1167
65202027 1168#ifdef USE_LONG_DOUBLE
923fc586
JH
1169# ifdef I_SUNMATH
1170# include <sunmath.h>
1171# endif
2d4389e4 1172# define NV_DIG LDBL_DIG
d6c14000
JH
1173# ifdef LDBL_MANT_DIG
1174# define NV_MANT_DIG LDBL_MANT_DIG
1175# endif
06fc1729
JH
1176# ifdef LDBL_MIN
1177# define NV_MIN LDBL_MIN
1178# endif
1179# ifdef LDBL_MAX
1180# define NV_MAX LDBL_MAX
1181# endif
1182# ifdef LDBL_MIN_10_EXP
1183# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1184# endif
1185# ifdef LDBL_MAX_10_EXP
1186# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1187# endif
1188# ifdef LDBL_EPSILON
1189# define NV_EPSILON LDBL_EPSILON
1190# endif
f4a14a62
JH
1191# ifdef LDBL_MAX
1192# define NV_MAX LDBL_MAX
1193# define NV_MIN LDBL_MIN
1194# else
1195# ifdef HUGE_VALL
1196# define NV_MAX HUGE_VALL
1197# else
1198# ifdef HUGE_VAL
1199# define NV_MAX ((NV)HUGE_VAL)
1200# endif
1201# endif
1202# endif
68d4903c 1203# ifdef HAS_SQRTL
68d4903c
JH
1204# define Perl_cos cosl
1205# define Perl_sin sinl
1206# define Perl_sqrt sqrtl
1207# define Perl_exp expl
1208# define Perl_log logl
1209# define Perl_atan2 atan2l
1210# define Perl_pow powl
1211# define Perl_floor floorl
1212# define Perl_fmod fmodl
1213# endif
a3540c92
JH
1214/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1215# ifdef HAS_MODFL
1216# define Perl_modf(x,y) modfl(x,y)
e82e08d5
JH
1217# else
1218# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
a3540c92
JH
1219# endif
1220# ifdef HAS_FREXPL
dff3e0b8 1221# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5
JH
1222# else
1223# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
a3540c92 1224# endif
758a5d79
JH
1225# ifndef Perl_isinf
1226# ifdef HAS_ISNANL
1227# define Perl_isnan(x) isnanl(x)
1228# endif
1229# endif
1230# ifndef Perl_isinf
1231# ifdef HAS_FINITEL
1232# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1233# endif
1234# endif
65202027 1235#else
2d4389e4 1236# define NV_DIG DBL_DIG
d6c14000
JH
1237# ifdef DBL_MANT_DIG
1238# define NV_MANT_DIG DBL_MANT_DIG
1239# endif
06fc1729
JH
1240# ifdef DBL_MIN
1241# define NV_MIN DBL_MIN
1242# endif
1243# ifdef DBL_MAX
1244# define NV_MAX DBL_MAX
1245# endif
1246# ifdef DBL_MIN_10_EXP
1247# define NV_MIN_10_EXP DBL_MIN_10_EXP
1248# endif
1249# ifdef DBL_MAX_10_EXP
1250# define NV_MAX_10_EXP DBL_MAX_10_EXP
1251# endif
1252# ifdef DBL_EPSILON
1253# define NV_EPSILON DBL_EPSILON
1254# endif
f4a14a62
JH
1255# ifdef DBL_MAX
1256# define NV_MAX DBL_MAX
1257# define NV_MIN DBL_MIN
1258# else
1259# ifdef HUGE_VAL
1260# define NV_MAX HUGE_VAL
1261# endif
1262# endif
65202027
DS
1263# define Perl_cos cos
1264# define Perl_sin sin
1265# define Perl_sqrt sqrt
1266# define Perl_exp exp
1267# define Perl_log log
1268# define Perl_atan2 atan2
1269# define Perl_pow pow
1270# define Perl_floor floor
65202027 1271# define Perl_fmod fmod
a3540c92 1272# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1273# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1274#endif
1275
1276/* rumor has it that Win32 has _fpclass() */
1277
1278#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1279# ifdef I_IEEFP
1280# include <ieeefp.h>
1281# endif
1282# ifdef I_FP
1283# include <fp.h>
1284# endif
1285# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1286# define Perl_fp_class() fpclassl(x)
1287# else
1288# define Perl_fp_class() fpclass(x)
1289# endif
1290# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1291# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1292# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1293# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1294# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1295# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1296# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1297# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1298# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1299# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1300# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1301# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1302# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1303# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1304# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1305#endif
1306
7114a2d2 1307#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1308# include <math.h>
1309# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1310# include <fp_class.h>
1311# endif
1312# define Perl_fp_class(x) fp_class(x)
1313# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1314# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1315# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1316# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1317# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1318# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1319# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1320# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1321# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1322# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1323# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1324# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1325# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1326# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1327# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1328#endif
1329
1330#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1331# include <math.h>
1332# define Perl_fp_class(x) fpclassify(x)
1333# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN|FP|_fp_classify(x)==QNAN)
1334# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1335# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1336# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1337# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1338#endif
1339
1340#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1341# include <math.h>
1342# ifndef _cplusplus
1343# define Perl_fp_class(x) class(x)
1344# else
1345# define Perl_fp_class(x) _class(x)
1346# endif
1347# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1348# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1349# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1350# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1351# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1352# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1353# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1354# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1355# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1356# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1357# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1358# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1359# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1360# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1361# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1362#endif
1363
1364/* rumor has it that Win32 has _isnan() */
1365
1366#ifndef Perl_isnan
a3540c92 1367# ifdef HAS_ISNAN
758a5d79
JH
1368# define Perl_isnan(x) isnan((NV)x)
1369# else
1370# ifdef Perl_fp_class_nan
1371# define Perl_isnan(x) Perl_fp_class_nan(x)
1372# else
1373# ifdef HAS_UNORDERED
1374# define Perl_isnan(x) unordered((x), 0.0)
1375# else
1376# define Perl_isnan(x) ((x)!=(x))
1377# endif
1378# endif
1379# endif
1380#endif
1381
ca6c63e1
JH
1382#ifdef UNDER_CE
1383int isnan(double d);
1384#endif
1385
758a5d79
JH
1386#ifndef Perl_isinf
1387# ifdef HAS_ISINF
1388# define Perl_isinf(x) isinf((NV)x)
a3540c92 1389# else
758a5d79
JH
1390# ifdef Perl_fp_class_inf
1391# define Perl_isinf(x) Perl_fp_class_inf(x)
1392# else
1393# define Perl_isinf(x) ((x)==NV_INF)
1394# endif
1395# endif
1396#endif
1397
1398#ifndef Perl_isfinite
1399# ifdef HAS_FINITE
1400# define Perl_isfinite(x) finite((NV)x)
1401# else
1402# ifdef HAS_ISFINITE
1403# define Perl_isfinite(x) isfinite(x)
1404# else
1405# ifdef Perl_fp_class_finite
1406# define Perl_isfinite(x) Perl_fp_class_finite(x)
1407# else
1408# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1409# endif
1410# endif
a3540c92 1411# endif
65202027
DS
1412#endif
1413
1f727ac0
HS
1414#define Perl_atof(s) Perl_my_atof(s)
1415#define Perl_atof2(s, np) Perl_my_atof2(s, np)
cf2093f6 1416
d460ef45 1417/* Previously these definitions used hardcoded figures.
760ac839
LW
1418 * It is hoped these formula are more portable, although
1419 * no data one way or another is presently known to me.
1420 * The "PERL_" names are used because these calculated constants
1421 * do not meet the ANSI requirements for LONG_MAX, etc., which
1422 * need to be constants acceptable to #if - kja
1423 * define PERL_LONG_MAX 2147483647L
1424 * define PERL_LONG_MIN (-LONG_MAX - 1)
1425 * define PERL ULONG_MAX 4294967295L
1426 */
1427
1428#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1429# include <limits.h>
1430#else
1431#ifdef I_VALUES
1432# include <values.h>
1433#endif
1434#endif
1435
99abf803
PP
1436/*
1437 * Try to figure out max and min values for the integral types. THE CORRECT
1438 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1439 * following hacks are used if neither limits.h or values.h provide them:
1440 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1441 * for types < int: (unsigned TYPE)~(unsigned)0
1442 * The argument to ~ must be unsigned so that later signed->unsigned
1443 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1444 * and it must not be smaller than int because ~ does integral promotion.
1445 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1446 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1447 * The latter is a hack which happens to work on some machines but
1448 * does *not* catch any random system, or things like integer types
1449 * with NaN if that is possible.
1450 *
1451 * All of the types are explicitly cast to prevent accidental loss of
1452 * numeric range, and in the hope that they will be less likely to confuse
1453 * over-eager optimizers.
1454 *
1455 */
27d4fb96 1456
99abf803
PP
1457#define PERL_UCHAR_MIN ((unsigned char)0)
1458
1459#ifdef UCHAR_MAX
1460# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1461#else
99abf803
PP
1462# ifdef MAXUCHAR
1463# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1464# else
99abf803 1465# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
1466# endif
1467#endif
d460ef45 1468
99abf803
PP
1469/*
1470 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1471 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1472 * depending on local options. Until Configure detects this (or at least
1473 * detects whether the "signed" keyword is available) the CHAR ranges
1474 * will not be included. UCHAR functions normally.
1475 * - kja
1476 */
27d4fb96 1477
99abf803
PP
1478#define PERL_USHORT_MIN ((unsigned short)0)
1479
1480#ifdef USHORT_MAX
1481# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1482#else
99abf803
PP
1483# ifdef MAXUSHORT
1484# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1485# else
ef2f54b0
CB
1486# ifdef USHRT_MAX
1487# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1488# else
1489# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1490# endif
27d4fb96
PP
1491# endif
1492#endif
1493
27d4fb96 1494#ifdef SHORT_MAX
99abf803 1495# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
1496#else
1497# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1498# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1499# else
ef2f54b0
CB
1500# ifdef SHRT_MAX
1501# define PERL_SHORT_MAX ((short)SHRT_MAX)
1502# else
1503# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1504# endif
27d4fb96
PP
1505# endif
1506#endif
1507
1508#ifdef SHORT_MIN
99abf803 1509# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
1510#else
1511# ifdef MINSHORT
99abf803 1512# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1513# else
ef2f54b0
CB
1514# ifdef SHRT_MIN
1515# define PERL_SHORT_MIN ((short)SHRT_MIN)
1516# else
1517# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1518# endif
27d4fb96
PP
1519# endif
1520#endif
1521
99abf803
PP
1522#ifdef UINT_MAX
1523# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1524#else
99abf803
PP
1525# ifdef MAXUINT
1526# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1527# else
99abf803 1528# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
1529# endif
1530#endif
1531
99abf803 1532#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
1533
1534#ifdef INT_MAX
99abf803 1535# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
1536#else
1537# ifdef MAXINT /* Often used in <values.h> */
99abf803 1538# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1539# else
99abf803 1540# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
1541# endif
1542#endif
1543
1544#ifdef INT_MIN
99abf803 1545# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
1546#else
1547# ifdef MININT
99abf803 1548# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
1549# else
1550# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1551# endif
1552#endif
1553
99abf803
PP
1554#ifdef ULONG_MAX
1555# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1556#else
99abf803
PP
1557# ifdef MAXULONG
1558# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1559# else
99abf803 1560# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
1561# endif
1562#endif
1563
99abf803 1564#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1565
760ac839 1566#ifdef LONG_MAX
99abf803 1567# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
1568#else
1569# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1570# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1571# else
99abf803 1572# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
1573# endif
1574#endif
1575
1576#ifdef LONG_MIN
99abf803 1577# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
1578#else
1579# ifdef MINLONG
99abf803 1580# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1581# else
27d4fb96 1582# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
1583# endif
1584#endif
1585
d7d93a81 1586#ifdef UV_IS_QUAD
99abf803 1587
99abf803 1588# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1589# define PERL_UQUAD_MIN ((UV)0)
99abf803 1590# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1591# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1592
79072805
LW
1593#endif
1594
880b20b6
IZ
1595struct perl_mstats {
1596 UV *nfree;
1597 UV *ntotal;
1598 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1599 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1600 IV minbucket;
1601 /* Level 1 info */
1602 UV *bucket_mem_size;
1603 UV *bucket_available_size;
1604 UV nbuckets;
1605};
830247a4 1606struct RExC_state_t;
880b20b6 1607
ee0007ab 1608typedef MEM_SIZE STRLEN;
450a55e4 1609
79072805
LW
1610typedef struct op OP;
1611typedef struct cop COP;
1612typedef struct unop UNOP;
1613typedef struct binop BINOP;
1614typedef struct listop LISTOP;
1615typedef struct logop LOGOP;
79072805
LW
1616typedef struct pmop PMOP;
1617typedef struct svop SVOP;
7934575e 1618typedef struct padop PADOP;
79072805 1619typedef struct pvop PVOP;
79072805
LW
1620typedef struct loop LOOP;
1621
93a17b20 1622typedef struct interpreter PerlInterpreter;
d2b3f365
SS
1623
1624/* Amdahl's <ksync.h> has struct sv */
1625/* SGI's <sys/sema.h> has struct sv */
1626#if defined(UTS) || defined(__sgi)
1627# define STRUCT_SV perl_sv
b8d3c5db
JH
1628#else
1629# define STRUCT_SV sv
1630#endif
1631typedef struct STRUCT_SV SV;
79072805
LW
1632typedef struct av AV;
1633typedef struct hv HV;
1634typedef struct cv CV;
378cc40b 1635typedef struct regexp REGEXP;
79072805 1636typedef struct gp GP;
0c30d9ec 1637typedef struct gv GV;
8990e307 1638typedef struct io IO;
c09156bb 1639typedef struct context PERL_CONTEXT;
79072805
LW
1640typedef struct block BLOCK;
1641
1642typedef struct magic MAGIC;
ed6116ce 1643typedef struct xrv XRV;
79072805
LW
1644typedef struct xpv XPV;
1645typedef struct xpviv XPVIV;
ff68c719 1646typedef struct xpvuv XPVUV;
79072805
LW
1647typedef struct xpvnv XPVNV;
1648typedef struct xpvmg XPVMG;
1649typedef struct xpvlv XPVLV;
1650typedef struct xpvav XPVAV;
1651typedef struct xpvhv XPVHV;
1652typedef struct xpvgv XPVGV;
1653typedef struct xpvcv XPVCV;
1654typedef struct xpvbm XPVBM;
1655typedef struct xpvfm XPVFM;
8990e307 1656typedef struct xpvio XPVIO;
79072805
LW
1657typedef struct mgvtbl MGVTBL;
1658typedef union any ANY;
5f7fde29
GS
1659typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1660typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
1661typedef struct clone_params CLONE_PARAMS;
1662
8d063cd8 1663
378cc40b 1664#include "handy.h"
a0d0e21e 1665
6b8eaf93 1666#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
1667# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1668# define USE_64_BIT_RAWIO /* implicit */
1669# endif
4564133c
JH
1670#endif
1671
6b8eaf93
JH
1672/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1673 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1674 * however, because operating systems like to do that themself. */
1675#ifndef FSEEKSIZE
1676# ifdef HAS_FSEEKO
1677# define FSEEKSIZE LSEEKSIZE
1678# else
1679# define FSEEKSIZE LONGSIZE
d460ef45 1680# endif
6b8eaf93
JH
1681#endif
1682
1683#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
1684# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1685# define USE_64_BIT_STDIO /* implicit */
1686# endif
1687#endif
4564133c 1688
09458382 1689#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
1690# ifdef HAS_OFF64_T
1691# undef Off_t
1692# define Off_t off64_t
1693# undef LSEEKSIZE
1694# define LSEEKSIZE 8
5ff3f7a4 1695# endif
d9b3e12d
JH
1696/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1697 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1698 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
1699# if defined(USE_OPEN64)
1700# define open open64
5ff3f7a4 1701# endif
d9b3e12d
JH
1702# if defined(USE_LSEEK64)
1703# define lseek lseek64
6b8eaf93
JH
1704# else
1705# if defined(USE_LLSEEK)
1706# define lseek llseek
1707# endif
d9b3e12d
JH
1708# endif
1709# if defined(USE_STAT64)
1710# define stat stat64
1711# endif
1712# if defined(USE_FSTAT64)
1713# define fstat fstat64
1714# endif
1715# if defined(USE_LSTAT64)
1716# define lstat lstat64
1717# endif
1718# if defined(USE_FLOCK64)
1719# define flock flock64
1720# endif
1721# if defined(USE_LOCKF64)
1722# define lockf lockf64
1723# endif
1724# if defined(USE_FCNTL64)
1725# define fcntl fcntl64
1726# endif
1727# if defined(USE_TRUNCATE64)
1728# define truncate truncate64
1729# endif
1730# if defined(USE_FTRUNCATE64)
1731# define ftruncate ftruncate64
1732# endif
1733#endif
1734
1735#ifdef USE_64_BIT_STDIO
1736# ifdef HAS_FPOS64_T
1737# undef Fpos_t
1738# define Fpos_t fpos64_t
1739# endif
1740/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1741 * will trigger defines like the ones below. Some 64-bit environments,
1742 * however, do not. */
1743# if defined(USE_FOPEN64)
1744# define fopen fopen64
1745# endif
1746# if defined(USE_FSEEK64)
6b8eaf93 1747# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
1748# endif
1749# if defined(USE_FTELL64)
6b8eaf93 1750# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
1751# endif
1752# if defined(USE_FSETPOS64)
1753# define fsetpos fsetpos64
1754# endif
1755# if defined(USE_FGETPOS64)
1756# define fgetpos fgetpos64
1757# endif
1758# if defined(USE_TMPFILE64)
1759# define tmpfile tmpfile64
1760# endif
1761# if defined(USE_FREOPEN64)
1762# define freopen freopen64
5ff3f7a4
GS
1763# endif
1764#endif
1765
af8b425d 1766#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
1767# include "iperlsys.h"
1768#endif
1769
6f71a643 1770#if defined(__OPEN_VM)
19848b3f
JH
1771# include "vmesa/vmesaish.h"
1772# define ISHISH "vmesa"
6f71a643
JH
1773#endif
1774
748a9306 1775#ifdef DOSISH
19848b3f
JH
1776# if defined(OS2)
1777# include "os2ish.h"
1778# else
1779# include "dosish.h"
1780# endif
1781# define ISHISH "dos"
1782#endif
1783
1784#if defined(VMS)
748a9306 1785# include "vmsish.h"
96e176bf 1786# include "embed.h"
19848b3f
JH
1787# define ISHISH "vms"
1788#endif
1789
1790#if defined(PLAN9)
1791# include "./plan9/plan9ish.h"
1792# define ISHISH "plan9"
1793#endif
1794
1795#if defined(MPE)
1796# include "mpeix/mpeixish.h"
1797# define ISHISH "mpeix"
1798#endif
1799
1800#if defined(__VOS__)
196918b0
PG
1801# ifdef __GNUC__
1802# include "./vos/vosish.h"
1803# else
1804# include "vos/vosish.h"
1805# endif
19848b3f
JH
1806# define ISHISH "vos"
1807#endif
1808
1809#if defined(EPOC)
1810# include "epocish.h"
1811# define ISHISH "epoc"
1812#endif
1813
1814#if defined(MACOS_TRADITIONAL)
1815# include "macos/macish.h"
1816# ifndef NO_ENVIRON_ARRAY
1817# define NO_ENVIRON_ARRAY
0c30d9ec 1818# endif
19848b3f
JH
1819# define ISHISH "macos classic"
1820#endif
1821
efca5cc6
JH
1822#if defined(__BEOS__)
1823# include "beos/beosish.h"
1824# define ISHISH "beos"
1825#endif
1826
19848b3f
JH
1827#ifndef ISHISH
1828# include "unixish.h"
1829# define ISHISH "unix"
13b6e58c
JH
1830#endif
1831
1832#ifndef NO_ENVIRON_ARRAY
1833# define USE_ENVIRON_ARRAY
1834#endif
32f822de 1835
c77b533b
JH
1836/*
1837 * initialise to avoid floating-point exceptions from overflow, etc
1838 */
1839#ifndef PERL_FPU_INIT
1840# ifdef HAS_FPSETMASK
1841# if HAS_FLOATINGPOINT_H
1842# include <floatingpoint.h>
1843# endif
1844# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1845# else
7014c407
JH
1846# if defined(SIGFPE) && defined(SIG_IGN)
1847# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1848# else
1849# define PERL_FPU_INIT
1850# endif
c77b533b
JH
1851# endif
1852#endif
1853
ed344e4f
IZ
1854#ifndef PERL_SYS_INIT3
1855# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1856#endif
1857
be708cc0
JH
1858#ifndef PERL_WRITE_MSG_TO_CONSOLE
1859# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1860#endif
1861
0f31cffe
GS
1862#ifndef MAXPATHLEN
1863# ifdef PATH_MAX
b990c8b2
JH
1864# ifdef _POSIX_PATH_MAX
1865# if PATH_MAX > _POSIX_PATH_MAX
1866/* MAXPATHLEN is supposed to include the final null character,
1867 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1868# define MAXPATHLEN (PATH_MAX+1)
1869# else
1870# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1871# endif
1872# else
1873# define MAXPATHLEN (PATH_MAX+1)
1874# endif
0f31cffe 1875# else
b990c8b2
JH
1876# ifdef _POSIX_PATH_MAX
1877# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1878# else
1879# define MAXPATHLEN 1024 /* Err on the large side. */
1880# endif
0f31cffe
GS
1881# endif
1882#endif
1883
d460ef45 1884/*
4d1ff10f 1885 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1886 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
1887 * this results in many functions being undeclared which bothers C++
1888 * May make sense to have threads after "*ish.h" anyway
1889 */
1890
4d1ff10f
AB
1891#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
1892# if defined(USE_5005THREADS)
79d59c5f
GS
1893 /* pending resolution of licensing issues, we avoid the erstwhile
1894 * atomic.h everywhere */
1895# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1896# endif
2986a63f
JH
1897# ifdef NETWARE
1898# include <nw5thread.h>
1899# else
32f822de
GS
1900# ifdef FAKE_THREADS
1901# include "fakethr.h"
1902# else
1903# ifdef WIN32
1904# include <win32thread.h>
1905# else
dd96f567
IZ
1906# ifdef OS2
1907# include "os2thread.h"
1908# else
7f3d1cf1 1909# ifdef I_MACH_CTHREADS
bdd66968 1910# include <mach/cthreads.h>
8f1f23e8 1911# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
1912# define MUTEX_INIT_CALLS_MALLOC
1913# endif
7f3d1cf1
BH
1914typedef cthread_t perl_os_thread;
1915typedef mutex_t perl_mutex;
1916typedef condition_t perl_cond;
1917typedef void * perl_key;
1918# else /* Posix threads */
1f5ae88c
JH
1919# ifdef I_PTHREAD
1920# include <pthread.h>
1921# endif
7f3d1cf1
BH
1922typedef pthread_t perl_os_thread;
1923typedef pthread_mutex_t perl_mutex;
1924typedef pthread_cond_t perl_cond;
1925typedef pthread_key_t perl_key;
1926# endif /* I_MACH_CTHREADS */
dd96f567 1927# endif /* OS2 */
32f822de
GS
1928# endif /* WIN32 */
1929# endif /* FAKE_THREADS */
2986a63f 1930#endif /* NETWARE */
4d1ff10f 1931#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 1932
66a93824 1933#if defined(WIN32)
1feb2720 1934# include "win32.h"
c5be433b
GS
1935#endif
1936
2986a63f
JH
1937#ifdef NETWARE
1938# include "netware.h"
1939#endif
1940
68dc0745 1941#ifdef VMS
6b88bc9c 1942# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 1943# define STATUS_NATIVE_EXPORT \
d98f61e7 1944 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745
PP
1945# define STATUS_NATIVE_SET(n) \
1946 STMT_START { \
6b88bc9c
GS
1947 PL_statusvalue_vms = (n); \
1948 if ((I32)PL_statusvalue_vms == -1) \
3280af22 1949 PL_statusvalue = -1; \
6b88bc9c 1950 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 1951 PL_statusvalue = 0; \
6b88bc9c
GS
1952 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
1953 PL_statusvalue = 1 << 8; \
68dc0745 1954 else \
6b88bc9c 1955 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 1956 } STMT_END
3280af22 1957# define STATUS_POSIX PL_statusvalue
68dc0745
PP
1958# ifdef VMSISH_STATUS
1959# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1960# else
1961# define STATUS_CURRENT STATUS_POSIX
1962# endif
1963# define STATUS_POSIX_SET(n) \
1964 STMT_START { \
3280af22
NIS
1965 PL_statusvalue = (n); \
1966 if (PL_statusvalue != -1) { \
1967 PL_statusvalue &= 0xFFFF; \
6b88bc9c 1968 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 1969 } \
6b88bc9c 1970 else PL_statusvalue_vms = -1; \
68dc0745 1971 } STMT_END
6b88bc9c
GS
1972# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
1973# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745
PP
1974#else
1975# define STATUS_NATIVE STATUS_POSIX
1976# define STATUS_NATIVE_EXPORT STATUS_POSIX
1977# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 1978# define STATUS_POSIX PL_statusvalue
68dc0745
PP
1979# define STATUS_POSIX_SET(n) \
1980 STMT_START { \
3280af22
NIS
1981 PL_statusvalue = (n); \
1982 if (PL_statusvalue != -1) \
1983 PL_statusvalue &= 0xFFFF; \
68dc0745
PP
1984 } STMT_END
1985# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS
1986# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
1987# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745
PP
1988#endif
1989
cc3604b1
GS
1990/* flags in PL_exit_flags for nature of exit() */
1991#define PERL_EXIT_EXPECTED 0x01
31d77e54 1992#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 1993
0b94c7bb 1994#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
1995# define MEMBER_TO_FPTR(name) name
1996#endif
1997
1998/* format to use for version numbers in file/directory names */
273cf8d1 1999/* XXX move to Configure? */
a7cb1f99 2000#ifndef PERL_FS_VER_FMT
273cf8d1 2001# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2002#endif
2003
45bc9206 2004/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2005 * performance issue, so we allow people to disable it. Also, if
2006 * we are using stdio, there are broken implementations of fflush(NULL)
2007 * out there, Solaris being the most prominent.
45bc9206
GS
2008 */
2009#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2010# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2011# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2012# else
2013# ifdef FFLUSH_ALL
2014# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2015# else
c5be433b 2016# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2017# endif
66fe083f 2018# endif
45bc9206
GS
2019#endif
2020
7766f137
GS
2021#ifndef PERL_WAIT_FOR_CHILDREN
2022# define PERL_WAIT_FOR_CHILDREN NOOP
2023#endif
2024
ba869deb 2025/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2026#ifndef PERL_SET_INTERP
2027# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2028#endif
2029
2030#ifndef PERL_GET_INTERP
2031# define PERL_GET_INTERP (PL_curinterp)
2032#endif
2033
54aff467 2034#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 2035# ifdef USE_5005THREADS
ba869deb 2036# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS
2037# else
2038# ifdef MULTIPLICITY
ba869deb 2039# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS
2040# endif
2041# endif
ba869deb
GS
2042# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2043#endif
2044
894356b3
GS
2045#ifndef SVf
2046# ifdef CHECK_FORMAT
2047# define SVf "p"
2048# else
2049# define SVf "_"
d460ef45 2050# endif
894356b3
GS
2051#endif
2052
d2560b70
RB
2053#ifndef UVf
2054# ifdef CHECK_FORMAT
2055# define UVf UVuf
2056# else
2057# define UVf "Vu"
d460ef45 2058# endif
d2560b70
RB
2059#endif
2060
2061#ifndef VDf
2062# ifdef CHECK_FORMAT
2063# define VDf "p"
2064# else
2065# define VDf "vd"
d460ef45 2066# endif
d2560b70
RB
2067#endif
2068
b3fe4827
RB
2069#ifndef Nullformat
2070# ifdef CHECK_FORMAT
2071# define Nullformat "%s",""
2072# else
2073# define Nullformat Nullch
2074# endif
2075#endif
2076
3fc1aec6
PP
2077/* Some unistd.h's give a prototype for pause() even though
2078 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2079 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
2080*/
2081#ifdef HAS_PAUSE
2082#define Pause pause
2083#else
2084#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2085#endif
2086
2087#ifndef IOCPARM_LEN
2088# ifdef IOCPARM_MASK
2089 /* on BSDish systes we're safe */
2090# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2091# else
2092 /* otherwise guess at what's safe */
2093# define IOCPARM_LEN(x) 256
2094# endif
a0d0e21e
LW
2095#endif
2096
1761cee5 2097#if defined(__CYGWIN__)
521e0776
GS
2098/* USEMYBINMODE
2099 * This symbol, if defined, indicates that the program should
16fe6d59 2100 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2101 * that a file is in "binary" mode -- that is, that no translation
2102 * of bytes occurs on read or write operations.
2103 */
2104# define USEMYBINMODE / **/
16fe6d59
GS
2105# define my_binmode(fp, iotype, mode) \
2106 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
2107#endif
2108
cea2e8a9
GS
2109#ifdef UNION_ANY_DEFINITION
2110UNION_ANY_DEFINITION;
2111#else
2112union any {
2113 void* any_ptr;
2114 I32 any_i32;
2115 IV any_iv;
2116 long any_long;
c76ac1ee 2117 void (*any_dptr) (void*);
acfe0abc 2118 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2119};
2120#endif
2121
4d1ff10f 2122#ifdef USE_5005THREADS
cea2e8a9
GS
2123#define ARGSproto struct perl_thread *thr
2124#else
2125#define ARGSproto
4d1ff10f 2126#endif /* USE_5005THREADS */
cea2e8a9 2127
acfe0abc 2128typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2129
2130#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2131#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2132#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2133
af8b425d 2134#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2135# include "iperlsys.h"
2136#endif
378cc40b 2137#include "regexp.h"
79072805 2138#include "sv.h"
378cc40b 2139#include "util.h"
8d063cd8 2140#include "form.h"
79072805
LW
2141#include "gv.h"
2142#include "cv.h"
abdd5c84 2143#include "opnames.h"
79072805
LW
2144#include "op.h"
2145#include "cop.h"
2146#include "av.h"
2147#include "hv.h"
2148#include "mg.h"
2149#include "scope.h"
4438c4b7 2150#include "warnings.h"
a0ed51b3 2151#include "utf8.h"
cd1ee231 2152#include "sharedsv.h"
8d063cd8 2153
7fae4e64
GS
2154/* Current curly descriptor */
2155typedef struct curcur CURCUR;
2156struct curcur {
2157 int parenfloor; /* how far back to strip paren data */
2158 int cur; /* how many instances of scan we've matched */
2159 int min; /* the minimal number of scans to match */
2160 int max; /* the maximal number of scans to match */
2161 int minmod; /* whether to work our way up or down */
2162 regnode * scan; /* the thing to match */
2163 regnode * next; /* what has to match after it */
2164 char * lastloc; /* where we started matching this scan */
2165 CURCUR * oldcc; /* current curly before we started this one */
2166};
2167
2168typedef struct _sublex_info SUBLEXINFO;
2169struct _sublex_info {
2170 I32 super_state; /* lexer state to save */
2171 I32 sub_inwhat; /* "lex_inwhat" to use */
2172 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2173 char *super_bufptr; /* PL_bufptr that was */
2174 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2175};
2176
455ece5e 2177typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2178
2c2d71f5 2179struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2180struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2181
2182typedef I32 CHECKPOINT;
76e3520e 2183
5f7fde29
GS
2184struct ptr_tbl_ent {
2185 struct ptr_tbl_ent* next;
2186 void* oldval;
2187 void* newval;
d18c6117
GS
2188};
2189
5f7fde29
GS
2190struct ptr_tbl {
2191 struct ptr_tbl_ent** tbl_ary;
2192 UV tbl_max;
2193 UV tbl_items;
d18c6117
GS
2194};
2195
450a55e4 2196#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2197# define I286
2198#endif
2199
fe14fcc3
LW
2200#if defined(htonl) && !defined(HAS_HTONL)
2201#define HAS_HTONL
ae986130 2202#endif
fe14fcc3
LW
2203#if defined(htons) && !defined(HAS_HTONS)
2204#define HAS_HTONS
ae986130 2205#endif
fe14fcc3
LW
2206#if defined(ntohl) && !defined(HAS_NTOHL)
2207#define HAS_NTOHL
ae986130 2208#endif
fe14fcc3
LW
2209#if defined(ntohs) && !defined(HAS_NTOHS)
2210#define HAS_NTOHS
ae986130 2211#endif
fe14fcc3 2212#ifndef HAS_HTONL
d9d8d8de 2213#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2214#define HAS_HTONS
2215#define HAS_HTONL
2216#define HAS_NTOHS
2217#define HAS_NTOHL
a687059c
LW
2218#define MYSWAP
2219#define htons my_swap
2220#define htonl my_htonl
2221#define ntohs my_swap
2222#define ntohl my_ntohl
2223#endif
2224#else
d9d8d8de 2225#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2226#undef HAS_HTONS
2227#undef HAS_HTONL
2228#undef HAS_NTOHS
2229#undef HAS_NTOHL
a687059c
LW
2230#endif
2231#endif
2232
988174c1
LW
2233/*
2234 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2235 * -DWS
2236 */
2237#if BYTEORDER != 0x1234
2238# define HAS_VTOHL
2239# define HAS_VTOHS
2240# define HAS_HTOVL
2241# define HAS_HTOVS
c67712b2 2242# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2243# define vtohl(x) ((((x)&0xFF)<<24) \
2244 +(((x)>>24)&0xFF) \
2245 +(((x)&0x0000FF00)<<8) \
2246 +(((x)&0x00FF0000)>>8) )
2247# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2248# define htovl(x) vtohl(x)
2249# define htovs(x) vtohs(x)
2250# endif
2251 /* otherwise default to functions in util.c */
2252#endif
2253
3bb7c1b4
JH
2254/* *MAX Plus 1. A floating point value.
2255 Hopefully expressed in a way that dodgy floating point can't mess up.
2256 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2257 is added to it
2258 May find that some broken compiler will want the value cast to I32.
2259 [after the shift, as signed >> may not be as secure as unsigned >>]
2260*/
2261#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2262#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2263/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2264 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2265 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2266*/
2267#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2268
3bb7c1b4
JH
2269#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2270#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2271#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2272
2273/* This may look like unnecessary jumping through hoops, but converting
2274 out of range floating point values to integers *is* undefined behaviour,
2275 and it is starting to bite.
2276*/
2277#ifndef CAST_INLINE
65202027 2278#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2279#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
2280#define I_V(what) (cast_iv((NV)(what)))
2281#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
2282#else
2283#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2284 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2285 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2286#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2287 : ((n) < U32_MAX_P1 ? (U32) (n) \
2288 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2289#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2290 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2291 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2292#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2293 : ((n) < UV_MAX_P1 ? (UV) (n) \
2294 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2295#endif
2296
2297#define U_S(what) ((U16)U_32(what))
2298#define U_I(what) ((unsigned int)U_32(what))
2299#define U_L(what) U_32(what)
ed6116ce 2300
2d4389e4
JH
2301/* These do not care about the fractional part, only about the range. */
2302#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2303#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2304
25da4f38
IZ
2305/* Used with UV/IV arguments: */
2306 /* XXXX: need to speed it up */
2307#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2308#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2309
352d5a3a
LW
2310#ifndef MAXSYSFD
2311# define MAXSYSFD 2
2312#endif
ee0007ab 2313
79072805 2314#ifndef __cplusplus
e1caacb4 2315#ifndef UNDER_CE
20ce7b12
GS
2316Uid_t getuid (void);
2317Uid_t geteuid (void);
2318Gid_t getgid (void);
2319Gid_t getegid (void);
79072805 2320#endif
e1caacb4 2321#endif
8d063cd8 2322
0c30d9ec 2323#ifndef Perl_debug_log
bf49b057
GS
2324# define Perl_debug_log PerlIO_stderr()
2325#endif
2326
2327#ifndef Perl_error_log
2328# define Perl_error_log (PL_stderrgv \
01bb7c6d 2329 && GvIOp(PL_stderrgv) \
42de951c 2330 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
2331 ? IoOFP(GvIOp(PL_stderrgv)) \
2332 : PerlIO_stderr())
0c30d9ec 2333#endif
3967c732 2334
aea4f609
DM
2335
2336#define DEBUG_p_FLAG 0x00000001 /* 1 */
2337#define DEBUG_s_FLAG 0x00000002 /* 2 */
2338#define DEBUG_l_FLAG 0x00000004 /* 4 */
2339#define DEBUG_t_FLAG 0x00000008 /* 8 */
2340#define DEBUG_o_FLAG 0x00000010 /* 16 */
2341#define DEBUG_c_FLAG 0x00000020 /* 32 */
2342#define DEBUG_P_FLAG 0x00000040 /* 64 */
2343#define DEBUG_m_FLAG 0x00000080 /* 128 */
2344#define DEBUG_f_FLAG 0x00000100 /* 256 */
2345#define DEBUG_r_FLAG 0x00000200 /* 512 */
2346#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2347#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2348#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2349#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2350#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2351#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2352#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2353#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8
DM
2354#define DEBUG_R_FLAG 0x00040000 /* 262144 */
2355#define DEBUG_MASK 0x0007FFFF /* mask of all the standard flags */
aea4f609
DM
2356
2357#define DEBUG_DB_RECURSE_FLAG 0x40000000
2358#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? */
2359
2360
bd16a5f0
IZ
2361# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2362# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2363# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2364# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2365# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2366# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2367# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2368# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2369# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2370# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2371# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2372# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
2373# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
2374# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2375# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2376# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2377# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2378# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2379# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
2380
3967c732 2381#ifdef DEBUGGING
aea4f609
DM
2382
2383# undef YYDEBUG
2384# define YYDEBUG 1
2385
bd16a5f0
IZ
2386# define DEBUG_p_TEST DEBUG_p_TEST_
2387# define DEBUG_s_TEST DEBUG_s_TEST_
2388# define DEBUG_l_TEST DEBUG_l_TEST_
2389# define DEBUG_t_TEST DEBUG_t_TEST_
2390# define DEBUG_o_TEST DEBUG_o_TEST_
2391# define DEBUG_c_TEST DEBUG_c_TEST_
2392# define DEBUG_P_TEST DEBUG_P_TEST_
2393# define DEBUG_m_TEST DEBUG_m_TEST_
2394# define DEBUG_f_TEST DEBUG_f_TEST_
2395# define DEBUG_r_TEST DEBUG_r_TEST_
2396# define DEBUG_x_TEST DEBUG_x_TEST_
2397# define DEBUG_u_TEST DEBUG_u_TEST_
2398# define DEBUG_L_TEST DEBUG_L_TEST_
2399# define DEBUG_H_TEST DEBUG_H_TEST_
2400# define DEBUG_X_TEST DEBUG_X_TEST_
2401# define DEBUG_D_TEST DEBUG_D_TEST_
2402# define DEBUG_S_TEST DEBUG_S_TEST_
2403# define DEBUG_T_TEST DEBUG_T_TEST_
2404# define DEBUG_R_TEST DEBUG_R_TEST_
aea4f609
DM
2405
2406# define DEB(a) a
2407# define DEBUG(a) if (PL_debug) a
2408# define DEBUG_p(a) if (DEBUG_p_TEST) a
2409# define DEBUG_s(a) if (DEBUG_s_TEST) a
2410# define DEBUG_l(a) if (DEBUG_l_TEST) a
2411# define DEBUG_t(a) if (DEBUG_t_TEST) a
2412# define DEBUG_o(a) if (DEBUG_o_TEST) a
2413# define DEBUG_c(a) if (DEBUG_c_TEST) a
2414# define DEBUG_P(a) if (DEBUG_P_TEST) a
2415
969058bb
VK
2416 /* Temporarily turn off memory debugging in case the a
2417 * does memory allocation, either directly or indirectly. */
acfe0abc 2418# define DEBUG_m(a) \
0b250b9e 2419 STMT_START { \
aea4f609 2420 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2421 } STMT_END
aea4f609 2422
5f80b19c
AMS
2423# define DEBUG__(t, a) \
2424 STMT_START { \
2425 if (t) STMT_START {a;} STMT_END; \
2426 } STMT_END
2427
2428# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2429# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2430# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2431# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2432# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2433# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2434# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2435# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2436
4d1ff10f 2437# ifdef USE_5005THREADS
5f80b19c 2438# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ
2439# else
2440# define DEBUG_S(a)
2441# endif
aea4f609 2442
5f80b19c
AMS
2443# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2444# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
aea4f609
DM
2445
2446#else /* DEBUGGING */
2447
2448# define DEBUG_p_TEST (0)
2449# define DEBUG_s_TEST (0)
2450# define DEBUG_l_TEST (0)
2451# define DEBUG_t_TEST (0)
2452# define DEBUG_o_TEST (0)
2453# define DEBUG_c_TEST (0)
2454# define DEBUG_P_TEST (0)
2455# define DEBUG_m_TEST (0)
2456# define DEBUG_f_TEST (0)
2457# define DEBUG_r_TEST (0)
2458# define DEBUG_x_TEST (0)
2459# define DEBUG_u_TEST (0)
2460# define DEBUG_L_TEST (0)
2461# define DEBUG_H_TEST (0)
2462# define DEBUG_X_TEST (0)
2463# define DEBUG_D_TEST (0)
2464# define DEBUG_S_TEST (0)
2465# define DEBUG_T_TEST (0)
04932ac8 2466# define DEBUG_R_TEST (0)
aea4f609
DM
2467
2468# define DEB(a)
2469# define DEBUG(a)
2470# define DEBUG_p(a)
2471# define DEBUG_s(a)
2472# define DEBUG_l(a)
2473# define DEBUG_t(a)
2474# define DEBUG_o(a)
2475# define DEBUG_c(a)
2476# define DEBUG_P(a)
2477# define DEBUG_m(a)
2478# define DEBUG_f(a)
2479# define DEBUG_r(a)
2480# define DEBUG_x(a)
2481# define DEBUG_u(a)
2482# define DEBUG_L(a)
2483# define DEBUG_H(a)
2484# define DEBUG_X(a)
2485# define DEBUG_D(a)
2486# define DEBUG_S(a)
2487# define DEBUG_T(a)
04932ac8 2488# define DEBUG_R(a)
aea4f609
DM
2489#endif /* DEBUGGING */
2490
2491
d1be9408 2492/* These constants should be used in preference to raw characters
14befaf4
DM
2493 * when using magic. Note that some perl guts still assume
2494 * certain character properties of these constants, namely that
2495 * isUPPER() and toLOWER() may do useful mappings.
2496 *
2497 * Update the magic_names table in dump.c when adding/amending these
2498 */
2499
2500#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2501#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2502#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2503#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2504#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2505#define PERL_MAGIC_regdata 'D' /* Regex match position data
2506 (@+ and @- vars) */
2507#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2508#define PERL_MAGIC_env 'E' /* %ENV hash */
2509#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2510#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2511#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2512#define PERL_MAGIC_isa 'I' /* @ISA array */
2513#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2514#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2515#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2516#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
2517#define PERL_MAGIC_mutex 'm' /* ??? */
2518#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2519#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2520#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2521#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2522#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2523#define PERL_MAGIC_sig 'S' /* %SIG hash */
2524#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2525#define PERL_MAGIC_taint 't' /* Taintedness */
2526#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
2527#define PERL_MAGIC_vec 'v' /* vec() lvalue */
2528#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2529#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2530 smart parameter vivification */
2531#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2532#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2533#define PERL_MAGIC_pos '.' /* pos() lvalue */
2534#define PERL_MAGIC_backref '<' /* ??? */
2535#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2536
2537
fe14fcc3 2538#define YYMAXDEPTH 300
8d063cd8 2539
a6e633de 2540#ifndef assert /* <assert.h> might have been included somehow */
79072805
LW
2541#define assert(what) DEB( { \
2542 if (!(what)) { \
cea2e8a9 2543 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2544 __FILE__, __LINE__); \
cea2e8a9 2545 PerlProc_exit(1); \
79072805 2546 }})
a6e633de 2547#endif
8d063cd8 2548
450a55e4 2549struct ufuncs {
24f81a43
DM
2550 I32 (*uf_val)(pTHX_ IV, SV*);
2551 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2552 IV uf_index;
450a55e4
LW
2553};
2554
14befaf4 2555/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
2556 * XS code wanting to be backward compatible can do something
2557 * like the following:
c745e42c 2558
24f81a43 2559#ifndef PERL_MG_UFUNC
24f81a43
DM
2560#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2561#endif
2562
2563static PERL_MG_UFUNC(foo_get, index, val)
2564{
2565 sv_setsv(val, ...);
2566 return TRUE;
2567}
2568
2569-- Doug MacEachern
2570
2571*/
2572
fc9c74e6 2573#ifndef PERL_MG_UFUNC
24f81a43 2574#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2575#endif
24f81a43 2576
fe14fcc3 2577/* Fix these up for __STDC__ */
68dc0745 2578#ifndef DONT_DECLARE_STD
20ce7b12 2579char *mktemp (char*);
37bd1396 2580#ifndef atof
20ce7b12 2581double atof (const char*);
a0d0e21e 2582#endif
37bd1396 2583#endif
79072805 2584
352d5a3a 2585#ifndef STANDARD_C
fe14fcc3 2586/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2587Time_t time();
8d063cd8 2588struct tm *gmtime(), *localtime();
092bebab 2589#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
2590char *(strchr)(), *(strrchr)();
2591char *(strcpy)(), *(strcat)();
2592#else
93a17b20 2593char *strchr(), *strrchr();
378cc40b 2594char *strcpy(), *strcat();
9d116dd7 2595#endif
352d5a3a 2596#endif /* ! STANDARD_C */
8d063cd8 2597
79072805
LW
2598
2599#ifdef I_MATH
2600# include <math.h>
2601#else
32f822de 2602START_EXTERN_C
20ce7b12
GS
2603 double exp (double);
2604 double log (double);
2605 double log10 (double);
2606 double sqrt (double);
2607 double frexp (double,int*);
2608 double ldexp (double,int);
2609 double modf (double,double*);
2610 double sin (double);
2611 double cos (double);
2612 double atan2 (double,double);
2613 double pow (double,double);
32f822de 2614END_EXTERN_C
79072805
LW
2615#endif
2616
aa8b85de
JH
2617#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2618# define NV_INF LDBL_INFINITY
2619#endif
2620#if !defined(NV_INF) && defined(DBL_INFINITY)
2621# define NV_INF (NV)DBL_INFINITY
2622#endif
2623#if !defined(NV_INF) && defined(INFINITY)
2624# define NV_INF (NV)INFINITY
2625#endif
2626#if !defined(NV_INF) && defined(INF)
2627# define NV_INF (NV)INF
2628#endif
2629#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2630# define NV_INF (NV)HUGE_VALL
2631#endif
2632#if !defined(NV_INF) && defined(HUGE_VAL)
2633# define NV_INF (NV)HUGE_VAL
2634#endif
2635
2636#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2637# if !defined(NV_NAN) && defined(LDBL_NAN)
2638# define NV_NAN LDBL_NAN
2639# endif
2640# if !defined(NV_NAN) && defined(LDBL_QNAN)
2641# define NV_NAN LDBL_QNAN
2642# endif
2643# if !defined(NV_NAN) && defined(LDBL_SNAN)
2644# define NV_NAN LDBL_SNAN
2645# endif
2646#endif
2647#if !defined(NV_NAN) && defined(DBL_NAN)
2648# define NV_NAN (NV)DBL_NAN
2649#endif
2650#if !defined(NV_NAN) && defined(DBL_QNAN)
2651# define NV_NAN (NV)DBL_QNAN
2652#endif
2653#if !defined(NV_NAN) && defined(DBL_SNAN)
2654# define NV_NAN (NV)DBL_SNAN
2655#endif
2656#if !defined(NV_NAN) && defined(QNAN)
2657# define NV_NAN (NV)QNAN
2658#endif
2659#if !defined(NV_NAN) && defined(SNAN)
2660# define NV_NAN (NV)SNAN
2661#endif
2662#if !defined(NV_NAN) && defined(NAN)
2663# define NV_NAN (NV)NAN
2664#endif
2665
a0d0e21e 2666#ifndef __cplusplus
8f1f23e8 2667# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2668char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2669# else
fd8cd3a3 2670# if !defined(WIN32) && !defined(VMS)
20ce7b12 2671char *crypt (const char*, const char*);
5014db98 2672# endif /* !WIN32 */
8f1f23e8 2673# endif /* !NeXT && !__NeXT__ */
26618a56
GS
2674# ifndef DONT_DECLARE_STD
2675# ifndef getenv
20ce7b12 2676char *getenv (const char*);
26618a56 2677# endif /* !getenv */
28ca6303 2678# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2679# ifdef _FILE_OFFSET_BITS
28ca6303 2680# if _FILE_OFFSET_BITS == 64
20ce7b12 2681Off_t lseek (int,Off_t,int);
0fc67700
JH
2682# endif
2683# endif
bf0c440f 2684# endif
26618a56 2685# endif /* !DONT_DECLARE_STD */
20ce7b12 2686char *getlogin (void);
26618a56 2687#endif /* !__cplusplus */
79072805 2688
16d20bd9 2689#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2690#define UNLINK unlnk
20ce7b12 2691I32 unlnk (char*);
8d063cd8 2692#else
80252599 2693#define UNLINK PerlLIO_unlink
8d063cd8 2694#endif
a687059c 2695
fa0a29af
JH
2696/* some versions of glibc are missing the setresuid() proto */
2697#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
2698int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2699#endif
fa0a29af
JH
2700/* some versions of glibc are missing the setresgid() proto */
2701#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
2702int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2703#endif
2704
fe14fcc3 2705#ifndef HAS_SETREUID
85e6fe83
LW
2706# ifdef HAS_SETRESUID
2707# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2708# define HAS_SETREUID
2709# endif
a687059c 2710#endif
fe14fcc3 2711#ifndef HAS_SETREGID
85e6fe83
LW
2712# ifdef HAS_SETRESGID
2713# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2714# define HAS_SETREGID
2715# endif
a687059c 2716#endif
ee0007ab 2717
d543acb6 2718/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
2719
2720#ifdef HAS_SIGACTION
2721typedef struct sigaction Sigsave_t;
2722#else
2723typedef Sighandler_t Sigsave_t;
2724#endif
2725
ee0007ab
LW
2726#define SCAN_DEF 0
2727#define SCAN_TR 1
2728#define SCAN_REPL 2
79072805
LW
2729
2730#ifdef DEBUGGING
4633a7c4 2731# ifndef register
a0d0e21e
LW
2732# define register
2733# endif
2734# define PAD_SV(po) pad_sv(po)
cea2e8a9 2735# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2736#else
6b88bc9c 2737# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2738# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
2739#endif
2740
18f739ee 2741#ifdef MYMALLOC
772fe5b3 2742# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
2743# define MALLOC_INIT \
2744 STMT_START { \
2745 PL_malloc_mutex = NULL; \
2746 MUTEX_INIT(&PL_malloc_mutex); \
2747 } STMT_END
2748# define MALLOC_TERM \
2749 STMT_START { \
2750 perl_mutex tmp = PL_malloc_mutex; \
2751 PL_malloc_mutex = NULL; \
2752 MUTEX_DESTROY(&tmp); \
2753 } STMT_END
2754# else
2755# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2756# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2757# endif
18f739ee
IZ
2758#else
2759# define MALLOC_INIT
2760# define MALLOC_TERM
2761#endif
2762
b6d9d515 2763
0cb96387
GS
2764typedef int (CPERLscope(*runops_proc_t)) (pTHX);
2765typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2766
940cb80d 2767/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2768#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2769
8f1f23e8
W
2770/* NeXT has problems with crt0.o globals */
2771#if defined(__DYNAMIC__) && \
2772 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2773# if defined(NeXT) || defined(__NeXT)
2774# include <mach-o/dyld.h>
2775# define environ (*environ_pointer)
0c30d9ec 2776EXT char *** environ_pointer;
8f1f23e8 2777# else
82cabb9e 2778# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W
2779# include <crt_externs.h> /* for the env array */
2780# define environ (*_NSGetEnviron())
2781# endif
0c30d9ec 2782# endif
8f1f23e8
W
2783#else
2784 /* VMS and some other platforms don't use the environ array */
13b6e58c 2785# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
2786# if !defined(DONT_DECLARE_STD) || \
2787 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2788 defined(__sgi) || \
d460ef45 2789 defined(__DGUX)
8f1f23e8 2790extern char ** environ; /* environment variables supplied via exec */
a6c40364 2791# endif
8f1f23e8
W
2792# endif
2793#endif
79072805 2794
73c4f7a1
GS
2795START_EXTERN_C
2796
79072805 2797/* handy constants */
22c35a8c 2798EXTCONST char PL_warn_uninit[]
b89fed5f 2799 INIT("Use of uninitialized value%s%s");
22c35a8c 2800EXTCONST char PL_warn_nosemi[]
463ee0b2 2801 INIT("Semicolon seems to be missing");
22c35a8c 2802EXTCONST char PL_warn_reserved[]
463ee0b2 2803 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2804EXTCONST char PL_warn_nl[]
93a17b20 2805 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2806EXTCONST char PL_no_wrongref[]
a0d0e21e 2807 INIT("Can't use %s ref as %s ref");
22c35a8c 2808EXTCONST char PL_no_symref[]
748a9306 2809 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2810EXTCONST char PL_no_usym[]
8990e307 2811 INIT("Can't use an undefined value as %s reference");
22c35a8c 2812EXTCONST char PL_no_aelem[]
93a17b20 2813 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2814EXTCONST char PL_no_helem[]
93a17b20 2815 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2816EXTCONST char PL_no_modify[]
93a17b20 2817 INIT("Modification of a read-only value attempted");
22c35a8c 2818EXTCONST char PL_no_mem[]
93a17b20 2819 INIT("Out of memory!\n");
22c35a8c 2820EXTCONST char PL_no_security[]
463ee0b2 2821 INIT("Insecure dependency in %s%s");
22c35a8c 2822EXTCONST char PL_no_sock_func[]
93a17b20 2823 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2824EXTCONST char PL_no_dir_func[]
93a17b20 2825 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2826EXTCONST char PL_no_func[]
93a17b20 2827 INIT("The %s function is unimplemented");
22c35a8c 2828EXTCONST char PL_no_myglob[]
748a9306 2829 INIT("\"my\" variable %s can't be in a package");
93a17b20 2830
7575fa06 2831EXTCONST char PL_uuemap[65]
80252599
GS
2832 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2833
2834
79072805 2835#ifdef DOINIT
22c35a8c
GS
2836EXT char *PL_sig_name[] = { SIG_NAME };
2837EXT int PL_sig_num[] = { SIG_NUM };
79072805 2838#else
22c35a8c
GS
2839EXT char *PL_sig_name[];
2840EXT int PL_sig_num[];
79072805
LW
2841#endif
2842
3bd709b1 2843/* fast conversion and case folding tables */
bbce6d69 2844
79072805 2845#ifdef DOINIT
9d116dd7 2846#ifdef EBCDIC
22c35a8c 2847EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
2848 0, 1, 2, 3, 4, 5, 6, 7,
2849 8, 9, 10, 11, 12, 13, 14, 15,
2850 16, 17, 18, 19, 20, 21, 22, 23,
2851 24, 25, 26, 27, 28, 29, 30, 31,
2852 32, 33, 34, 35, 36, 37, 38, 39,
2853 40, 41, 42, 43, 44, 45, 46, 47,
2854 48, 49, 50, 51, 52, 53, 54, 55,
2855 56, 57, 58, 59, 60, 61, 62, 63,
2856 64, 65, 66, 67, 68, 69, 70, 71,
2857 72, 73, 74, 75, 76, 77, 78, 79,
2858 80, 81, 82, 83, 84, 85, 86, 87,
2859 88, 89, 90, 91, 92, 93, 94, 95,
2860 96, 97, 98, 99, 100, 101, 102, 103,
2861 104, 105, 106, 107, 108, 109, 110, 111,
2862 112, 113, 114, 115, 116, 117, 118, 119,
2863 120, 121, 122, 123, 124, 125, 126, 127,
2864 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2865 'H', 'I', 138, 139, 140, 141, 142, 143,
2866 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2867 'Q', 'R', 154, 155, 156, 157, 158, 159,
2868 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2869 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2870 176, 177, 178, 179, 180, 181, 182, 183,
2871 184, 185, 186, 187, 188, 189, 190, 191,
2872 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2873 'h', 'i', 202, 203, 204, 205, 206, 207,
2874 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2875 'q', 'r', 218, 219, 220, 221, 222, 223,
2876 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2877 'y', 'z', 234, 235, 236, 237, 238, 239,
2878 240, 241, 242, 243, 244, 245, 246, 247,
2879 248, 249, 250, 251, 252, 253, 254, 255
2880};
2881#else /* ascii rather than ebcdic */
22c35a8c 2882EXTCONST unsigned char PL_fold[] = {
79072805
LW
2883 0, 1, 2, 3, 4, 5, 6, 7,
2884 8, 9, 10, 11, 12, 13, 14, 15,
2885 16, 17, 18, 19, 20, 21, 22, 23,
2886 24, 25, 26, 27, 28, 29, 30, 31,
2887 32, 33, 34, 35, 36, 37, 38, 39,
2888 40, 41, 42, 43, 44, 45, 46, 47,
2889 48, 49, 50, 51, 52, 53, 54, 55,
2890 56, 57, 58, 59, 60, 61, 62, 63,
2891 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2892 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2893 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2894 'x', 'y', 'z', 91, 92, 93, 94, 95,
2895 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2896 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2897 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2898 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2899 128, 129, 130, 131, 132, 133, 134, 135,
2900 136, 137, 138, 139, 140, 141, 142, 143,
2901 144, 145, 146, 147, 148, 149, 150, 151,
2902 152, 153, 154, 155, 156, 157, 158, 159,
2903 160, 161, 162, 163, 164, 165, 166, 167,
2904 168, 169, 170, 171, 172, 173, 174, 175,
2905 176, 177, 178, 179, 180, 181, 182, 183,
2906 184, 185, 186, 187, 188, 189, 190, 191,
2907 192, 193, 194, 195, 196, 197, 198, 199,
2908 200, 201, 202, 203, 204, 205, 206, 207,
2909 208, 209, 210, 211, 212, 213, 214, 215,
2910 216, 217, 218, 219, 220, 221, 222, 223,
2911 224, 225, 226, 227, 228, 229, 230, 231,
2912 232, 233, 234, 235, 236, 237, 238, 239,
2913 240, 241, 242, 243, 244, 245, 246, 247,
2914 248, 249, 250, 251, 252, 253, 254, 255
2915};
9d116dd7 2916#endif /* !EBCDIC */
79072805 2917#else
22c35a8c 2918EXTCONST unsigned char PL_fold[];
79072805
LW
2919#endif
2920
2921#ifdef DOINIT
22c35a8c 2922EXT unsigned char PL_fold_locale[] = {
79072805
LW
2923 0, 1, 2, 3, 4, 5, 6, 7,
2924 8, 9, 10, 11, 12, 13, 14, 15,
2925 16, 17, 18, 19, 20, 21, 22, 23,
2926 24, 25, 26, 27, 28, 29, 30, 31,
2927 32, 33, 34, 35, 36, 37, 38, 39,
2928 40, 41, 42, 43, 44, 45, 46, 47,
2929 48, 49, 50, 51, 52, 53, 54, 55,
2930 56, 57, 58, 59, 60, 61, 62, 63,
2931 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2932 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2933 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2934 'x', 'y', 'z', 91, 92, 93, 94, 95,
2935 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2936 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2937 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2938 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2939 128, 129, 130, 131, 132, 133, 134, 135,
2940 136, 137, 138, 139, 140, 141, 142, 143,
2941 144, 145, 146, 147, 148, 149, 150, 151,
2942 152, 153, 154, 155, 156, 157, 158, 159,
2943 160, 161, 162, 163, 164, 165, 166, 167,
2944 168, 169, 170, 171, 172, 173, 174, 175,
2945 176, 177, 178, 179, 180, 181, 182, 183,
2946 184, 185, 186, 187, 188, 189, 190, 191,
2947 192, 193, 194, 195, 196, 197, 198, 199,
2948 200, 201, 202, 203, 204, 205, 206, 207,
2949 208, 209, 210, 211, 212, 213, 214, 215,
2950 216, 217, 218, 219, 220, 221, 222, 223,
2951 224, 225, 226, 227, 228, 229, 230, 231,
2952 232, 233, 234, 235, 236, 237, 238, 239,
2953 240, 241, 242, 243, 244, 245, 246, 247,
2954 248, 249, 250, 251, 252, 253, 254, 255
2955};
2956#else
22c35a8c 2957EXT unsigned char PL_fold_locale[];
79072805
LW
2958#endif
2959
2960#ifdef DOINIT
9d116dd7 2961#ifdef EBCDIC
22c35a8c 2962EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
2963 1, 2, 84, 151, 154, 155, 156, 157,
2964 165, 246, 250, 3, 158, 7, 18, 29,
2965 40, 51, 62, 73, 85, 96, 107, 118,
2966 129, 140, 147, 148, 149, 150, 152, 153,
2967 255, 6, 8, 9, 10, 11, 12, 13,
2968 14, 15, 24, 25, 26, 27, 28, 226,
2969 29, 30, 31, 32, 33, 43, 44, 45,
2970 46, 47, 48, 49, 50, 76, 77, 78,
2971 79, 80, 81, 82, 83, 84, 85, 86,
2972 87, 94, 95, 234, 181, 233, 187, 190,
2973 180, 96, 97, 98, 99, 100, 101, 102,
2974 104, 112, 182, 174, 236, 232, 229, 103,
2975 228, 226, 114, 115, 116, 117, 118, 119,
2976 120, 121, 122, 235, 176, 230, 194, 162,
2977 130, 131, 132, 133, 134, 135, 136, 137,
2978 138, 139, 201, 205, 163, 217, 220, 224,
2979 5, 248, 227, 244, 242, 255, 241, 231,
2980 240, 253, 16, 197, 19, 20, 21, 187,
2981 23, 169, 210, 245, 237, 249, 247, 239,
2982 168, 252, 34, 196, 36, 37, 38, 39,
2983 41, 42, 251, 254, 238, 223, 221, 213,
2984 225, 177, 52, 53, 54, 55, 56, 57,
2985 58, 59, 60, 61, 63, 64, 65, 66,
2986 67, 68, 69, 70, 71, 72, 74, 75,
2987 205, 208, 186, 202, 200, 218, 198, 179,
2988 178, 214, 88, 89, 90, 91, 92, 93,
2989 217, 166, 170, 207, 199, 209, 206, 204,
2990 160, 212, 105, 106, 108, 109, 110, 111,
2991 203, 113, 216, 215, 192, 175, 193, 243,
2992 172, 161, 123, 124, 125, 126, 127, 128,
2993 222, 219, 211, 195, 188, 193, 185, 184,
2994 191, 183, 141, 142, 143, 144, 145, 146
2995};
2996#else /* ascii rather than ebcdic */
22c35a8c 2997EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
2998 1, 2, 84, 151, 154, 155, 156, 157,
2999 165, 246, 250, 3, 158, 7, 18, 29,
3000 40, 51, 62, 73, 85, 96, 107, 118,
3001 129, 140, 147, 148, 149, 150, 152, 153,
3002 255, 182, 224, 205, 174, 176, 180, 217,
3003 233, 232, 236, 187, 235, 228, 234, 226,
3004 222, 219, 211, 195, 188, 193, 185, 184,
3005 191, 183, 201, 229, 181, 220, 194, 162,
3006 163, 208, 186, 202, 200, 218, 198, 179,
3007 178, 214, 166, 170, 207, 199, 209, 206,
3008 204, 160, 212, 216, 215, 192, 175, 173,
3009 243, 172, 161, 190, 203, 189, 164, 230,
3010 167, 248, 227, 244, 242, 255, 241, 231,
3011 240, 253, 169, 210, 245, 237, 249, 247,
3012 239, 168, 252, 251, 254, 238, 223, 221,
3013 213, 225, 177, 197, 171, 196, 159, 4,
3014 5, 6, 8, 9, 10, 11, 12, 13,
3015 14, 15, 16, 17, 19, 20, 21, 22,
3016 23, 24, 25, 26, 27, 28, 30, 31,
3017 32, 33, 34, 35, 36, 37, 38, 39,
3018 41, 42, 43, 44, 45, 46, 47, 48,
3019 49, 50, 52, 53, 54, 55, 56, 57,
3020 58, 59, 60, 61, 63, 64, 65, 66,
3021 67, 68, 69, 70, 71, 72, 74, 75,
3022 76, 77, 78, 79, 80, 81, 82, 83,
3023 86, 87, 88, 89, 90, 91, 92, 93,
3024 94, 95, 97, 98, 99, 100, 101, 102,
3025 103, 104, 105, 106, 108, 109, 110, 111,
3026 112, 113, 114, 115, 116, 117, 119, 120,
3027 121, 122, 123, 124, 125, 126, 127, 128,
3028 130, 131, 132, 133, 134, 135, 136, 137,
3029 138, 139, 141, 142, 143, 144, 145, 146
3030};
9d116dd7 3031#endif
79072805 3032#else
22c35a8c 3033EXTCONST unsigned char PL_freq[];
79072805
LW
3034#endif
3035
8990e307
LW
3036#ifdef DEBUGGING
3037#ifdef DOINIT
22c35a8c 3038EXTCONST char* PL_block_type[] = {
8990e307
LW
3039 "NULL",
3040 "SUB",
3041 "EVAL",
3042 "LOOP",
3043 "SUBST",
3044 "BLOCK",
3045};
3046#else
22c35a8c 3047EXTCONST char* PL_block_type[];
8990e307
LW
3048#endif
3049#endif
3050
73c4f7a1
GS
3051END_EXTERN_C
3052
79072805
LW
3053/*****************************************************************************/
3054/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3055/*****************************************************************************/
8990e307 3056/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3057
a0d0e21e
LW
3058#include "perly.h"
3059
fb73857a
PP
3060#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3061
79072805
LW
3062typedef enum {
3063 XOPERATOR,
3064 XTERM,
79072805 3065 XREF,
8990e307 3066 XSTATE,
a0d0e21e 3067 XBLOCK,
09bef843
SB
3068 XATTRBLOCK,
3069 XATTRTERM,
a0d0e21e 3070 XTERMBLOCK
79072805
LW
3071} expectation;
3072
dc9e4912
GS
3073enum { /* pass one of these to get_vtbl */
3074 want_vtbl_sv,
3075 want_vtbl_env,
3076 want_vtbl_envelem,
3077 want_vtbl_sig,
3078 want_vtbl_sigelem,
3079 want_vtbl_pack,
3080 want_vtbl_packelem,
3081 want_vtbl_dbline,
3082 want_vtbl_isa,
3083 want_vtbl_isaelem,
3084 want_vtbl_arylen,
3085 want_vtbl_glob,
3086 want_vtbl_mglob,
3087 want_vtbl_nkeys,
3088 want_vtbl_taint,
3089 want_vtbl_substr,
3090 want_vtbl_vec,
3091 want_vtbl_pos,
3092 want_vtbl_bm,
3093 want_vtbl_fm,
3094 want_vtbl_uvar,
3095 want_vtbl_defelem,
3096 want_vtbl_regexp,
3097 want_vtbl_collxfrm,
3098 want_vtbl_amagic,
3099 want_vtbl_amagicelem,
4d1ff10f 3100#ifdef USE_5005THREADS
dc9e4912
GS
3101 want_vtbl_mutex,
3102#endif
3103 want_vtbl_regdata,
810b8aa5
GS
3104 want_vtbl_regdatum,
3105 want_vtbl_backref
dc9e4912
GS
3106};
3107
85e6fe83
LW
3108 /* Note: the lowest 8 bits are reserved for
3109 stuffing into op->op_private */
f3aa04c2 3110#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW
3111#define HINT_INTEGER 0x00000001
3112#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH
3113#define HINT_LOCALE 0x00000004
3114#define HINT_BYTES 0x00000008
393fec97 3115/* #define HINT_notused10 0x00000010 */
a0ed51b3 3116 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW
3117
3118#define HINT_BLOCK_SCOPE 0x00000100
3119#define HINT_STRICT_SUBS 0x00000200
3120#define HINT_STRICT_VARS 0x00000400
3121
b3ac6de7
IZ
3122#define HINT_NEW_INTEGER 0x00001000
3123#define HINT_NEW_FLOAT 0x00002000
3124#define HINT_NEW_BINARY 0x00004000
3125#define HINT_NEW_STRING 0x00008000
3126#define HINT_NEW_RE 0x00010000
3127#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3128
b3eb6a9b 3129#define HINT_RE_TAINT 0x00100000
e4d48cc9 3130#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3131
5ff3f7a4 3132#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3133#define HINT_UTF8 0x00800000
5ff3f7a4 3134
84d4ea48
JH
3135#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3136#define HINT_SORT_QUICKSORT 0x00000001
3137#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3138#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3139
8bfdd7d9 3140/* Various states of the input record separator SV (rs) */
d4cce5f1 3141#define RsSNARF(sv) (! SvOK(sv))
af7d13df
G
3142#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3143#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3144#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3145
128e8167 3146/* A struct for keeping various DEBUGGING related stuff,
ce333219 3147 * neatly packed. Currently only scratch variables for
128e8167
JH
3148 * constructing debug output are included. Needed always,
3149 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH
3150struct perl_debug_pad {
3151 SV pad[3];
3152};
3153
3154#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
3155#define PERL_DEBUG_PAD_ZERO(i) (sv_setpvn(PERL_DEBUG_PAD(i), "", 0), PERL_DEBUG_PAD(i))
ce333219 3156
56953603 3157/* Enable variables which are pointers to functions */
a2efc822 3158typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS
3159typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3160typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3161 char* strend, char* strbeg, I32 minend,
3162 SV* screamer, void* data, U32 flags);
f722798b
IZ
3163typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3164 char *strpos, char *strend,
3165 U32 flags,
3166 struct re_scream_pos_data_s *d);
3167typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3168typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3169
c76ac1ee 3170typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS
3171typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3172typedef void (*SVFUNC_t) (pTHX_ SV*);
3173typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3174typedef void (*XSINIT_t) (pTHX);
3175typedef void (*ATEXIT_t) (pTHX_ void*);
3176typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3177
22239a37
NIS
3178/* Set up PERLVAR macros for populating structs */
3179#define PERLVAR(var,type) type var;
51371543 3180#define PERLVARA(var,n,type) type var[n];
22239a37 3181#define PERLVARI(var,type,init) type var;
3fe35a81 3182#define PERLVARIC(var,type,init) type var;
22239a37 3183
58a50f62
GS
3184/* Interpreter exitlist entry */
3185typedef struct exitlistentry {
acfe0abc 3186 void (*fn) (pTHX_ void*);
58a50f62
GS
3187 void *ptr;
3188} PerlExitListEntry;
3189
22239a37
NIS
3190#ifdef PERL_GLOBAL_STRUCT
3191struct perl_vars {
7766f137 3192# include "perlvars.h"
22239a37
NIS
3193};
3194
7766f137 3195# ifdef PERL_CORE
533c011a
NIS
3196EXT struct perl_vars PL_Vars;
3197EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS
3198# else /* PERL_CORE */
3199# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3200EXT
7766f137 3201# endif /* WIN32 */
533c011a 3202struct perl_vars *PL_VarsPtr;
7766f137
GS
3203# define PL_Vars (*((PL_VarsPtr) \
3204 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3205# endif /* PERL_CORE */
22239a37
NIS
3206#endif /* PERL_GLOBAL_STRUCT */
3207
acfe0abc 3208#if defined(MULTIPLICITY)
d460ef45 3209/* If we have multiple interpreters define a struct
d4cce5f1 3210 holding variables which must be per-interpreter
d460ef45 3211 If we don't have threads anything that would have
d4cce5f1
NIS
3212 be per-thread is per-interpreter.
3213*/
3214
79072805 3215struct interpreter {
4d1ff10f 3216# ifndef USE_5005THREADS
7766f137
GS
3217# include "thrdvar.h"
3218# endif
3219# include "intrpvar.h"
3220/*
3221 * The following is a buffer where new variables must
acfe0abc 3222 * be defined to maintain binary compatibility with previous versions
7766f137
GS
3223 */
3224PERLVARA(object_compatibility,30, char)
49f531da 3225};
d4cce5f1 3226
79072805 3227#else
49f531da
NIS
3228struct interpreter {
3229 char broiled;
3230};
acfe0abc 3231#endif /* MULTIPLICITY */
79072805 3232
4d1ff10f 3233#ifdef USE_5005THREADS
d4cce5f1
NIS
3234/* If we have threads define a struct with all the variables
3235 * that have to be per-thread
49f531da 3236 */
8023c3ce 3237
79072805 3238
49f531da 3239struct perl_thread {
49f531da 3240#include "thrdvar.h"
79072805 3241};
d4cce5f1 3242
22fae026
TM
3243typedef struct perl_thread *Thread;
3244
3245#else
3246typedef void *Thread;
22239a37
NIS
3247#endif
3248
3249/* Done with PERLVAR macros for now ... */
d4cce5f1 3250#undef PERLVAR
51371543 3251#undef PERLVARA
d4cce5f1 3252#undef PERLVARI
3fe35a81 3253#undef PERLVARIC
79072805 3254
22239a37 3255#include "thread.h"
79072805 3256#include "pp.h"
864dbfa3
GS
3257
3258#ifndef PERL_CALLCONV
3259# define PERL_CALLCONV
d460ef45 3260#endif
864dbfa3 3261
65f19062
GS
3262#ifndef NEXT30_NO_ATTRIBUTE
3263# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3264# ifdef __attribute__ /* Avoid possible redefinition errors */
3265# undef __attribute__
3266# endif
3267# define __attribute__(attr)
3268# endif
3269#endif
3270
0cb96387
GS
3271#undef PERL_CKDEF
3272#undef PERL_PPDEF
3273#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3274#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3275
7766f137 3276#include "proto.h"
864dbfa3 3277
0cb96387 3278/* this has structure inits, so it cannot be included before here */
acfe0abc 3279#include "opcode.h"
864dbfa3 3280
d4cce5f1
NIS
3281/* The following must follow proto.h as #defines mess up syntax */
3282
22c35a8c
GS
3283#if !defined(PERL_FOR_X2P)
3284# include "embedvar.h"
3285#endif
d4cce5f1 3286
d460ef45 3287/* Now include all the 'global' variables
d4cce5f1 3288 * If we don't have threads or multiple interpreters
d460ef45 3289 * these include variables that would have been their struct-s
d4cce5f1 3290 */
d460ef45 3291
533c011a 3292#define PERLVAR(var,type) EXT type PL_##var;
51371543 3293#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS
3294#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3295#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3296
acfe0abc 3297#if !defined(MULTIPLICITY)
7766f137 3298START_EXTERN_C
066ef5b5 3299# include "intrpvar.h"
4d1ff10f 3300# ifndef USE_5005THREADS
066ef5b5
GS
3301# include "thrdvar.h"
3302# endif
7766f137 3303END_EXTERN_C
22239a37
NIS
3304#endif
3305
acfe0abc 3306#if defined(WIN32)
66a93824 3307/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3308# include "embed.h"
acfe0abc 3309#endif
22239a37 3310
c5be433b
GS
3311#ifndef PERL_GLOBAL_STRUCT
3312START_EXTERN_C
3313
3314# include "perlvars.h"
3315
3316END_EXTERN_C
3317#endif
3318
d4cce5f1 3319#undef PERLVAR
51371543 3320#undef PERLVARA
d4cce5f1 3321#undef PERLVARI
0f3f18a6 3322#undef PERLVARIC
79072805 3323
73c4f7a1
GS
3324START_EXTERN_C
3325
79072805 3326#ifdef DOINIT
bbce6d69 3327
2b260de0
GS
3328EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
3329 MEMBER_TO_FPTR(Perl_magic_set),
3330 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3331 0, 0};
2b260de0
GS
3332EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3333 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3334 0};
2b260de0
GS
3335EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3336 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3337 0};
22c35a8c 3338EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH
3339#ifdef PERL_MICRO
3340EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3341#else
2b260de0
GS
3342EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3343 MEMBER_TO_FPTR(Perl_magic_setsig),
3344 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3345 0};
64ca3a65 3346#endif
2b260de0 3347EXT MGVTBL PL_vtbl_pack = {0, 0, MEMBER_TO_FPTR(Perl_magic_sizepack), MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3348 0};
2b260de0
GS
3349EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
3350 MEMBER_TO_FPTR(Perl_magic_setpack),
3351 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3352 0};
2b260de0 3353EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3354 0, 0, 0};
2b260de0
GS
3355EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3356 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3357 0};
2b260de0 3358EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3359 0, 0, 0};
2b260de0
GS
3360EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3361 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3362 0, 0, 0};
2b260de0
GS
3363EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3364 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3365 0, 0, 0};
2b260de0 3366EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3367 0, 0, 0};
2b260de0
GS
3368EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3369 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3370 0, 0, 0};
2b260de0 3371EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3372 0, 0, 0};
2b260de0 3373EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr), MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3374 0, 0, 0};
2b260de0
GS
3375EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
3376 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3377 0, 0, 0};
2b260de0
GS
3378EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3379 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3380 0, 0, 0};
2b260de0 3381EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3382 0, 0, 0};
2b260de0 3383EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3384 0, 0, 0};
2b260de0
GS
3385EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3386 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3387 0, 0, 0};
4d1ff10f 3388#ifdef USE_5005THREADS
2b260de0 3389EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0, MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3390#endif /* USE_5005THREADS */
2b260de0 3391EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3392 0, 0, 0};
a0d0e21e 3393
2b260de0
GS
3394EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3395EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG
3396EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3397 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3398
36477c24 3399#ifdef USE_LOCALE_COLLATE
22c35a8c 3400EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3401 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69
PP
3402 0, 0, 0};
3403#endif
a0d0e21e 3404
2b260de0
GS
3405EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3406 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3407EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3408 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3409
810b8aa5 3410EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3411 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3412
d460ef45
NIS
3413EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3414 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3415
bbce6d69
PP
3416#else /* !DOINIT */
3417
22c35a8c
GS
3418EXT MGVTBL PL_vtbl_sv;
3419EXT MGVTBL PL_vtbl_env;
3420EXT MGVTBL PL_vtbl_envelem;
3421EXT MGVTBL PL_vtbl_sig;
3422EXT MGVTBL PL_vtbl_sigelem;
3423EXT MGVTBL PL_vtbl_pack;
3424EXT MGVTBL PL_vtbl_packelem;
3425EXT MGVTBL PL_vtbl_dbline;
3426EXT MGVTBL PL_vtbl_isa;
3427EXT MGVTBL PL_vtbl_isaelem;
3428EXT MGVTBL PL_vtbl_arylen;
3429EXT MGVTBL PL_vtbl_glob;
3430EXT MGVTBL PL_vtbl_mglob;
3431EXT MGVTBL PL_vtbl_nkeys;
3432EXT MGVTBL PL_vtbl_taint;
3433EXT MGVTBL PL_vtbl_substr;
3434EXT MGVTBL PL_vtbl_vec;
3435EXT MGVTBL PL_vtbl_pos;
3436EXT MGVTBL PL_vtbl_bm;
3437EXT MGVTBL PL_vtbl_fm;
3438EXT MGVTBL PL_vtbl_uvar;
d460ef45 3439EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3440
4d1ff10f 3441#ifdef USE_5005THREADS
22c35a8c 3442EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3443#endif /* USE_5005THREADS */
f93b4edd 3444
22c35a8c
GS
3445EXT MGVTBL PL_vtbl_defelem;
3446EXT MGVTBL PL_vtbl_regexp;
3447EXT MGVTBL PL_vtbl_regdata;
3448EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3449
36477c24 3450#ifdef USE_LOCALE_COLLATE
22c35a8c 3451EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3452#endif
a0d0e21e 3453
22c35a8c
GS
3454EXT MGVTBL PL_vtbl_amagic;
3455EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3456
810b8aa5
GS
3457EXT MGVTBL PL_vtbl_backref;
3458
bbce6d69 3459#endif /* !DOINIT */
85e6fe83 3460
f5284f61
IZ
3461enum {
3462 fallback_amg, abs_amg,
3463 bool__amg, nomethod_amg,
3464 string_amg, numer_amg,
3465 add_amg, add_ass_amg,
3466 subtr_amg, subtr_ass_amg,
3467 mult_amg, mult_ass_amg,
3468 div_amg, div_ass_amg,
3469 modulo_amg, modulo_ass_amg,
3470 pow_amg, pow_ass_amg,
3471 lshift_amg, lshift_ass_amg,
3472 rshift_amg, rshift_ass_amg,
3473 band_amg, band_ass_amg,
3474 bor_amg, bor_ass_amg,
3475 bxor_amg, bxor_ass_amg,
3476 lt_amg, le_amg,
3477 gt_amg, ge_amg,
3478 eq_amg, ne_amg,
3479 ncmp_amg, scmp_amg,
3480 slt_amg, sle_amg,
3481 sgt_amg, sge_amg,
3482 seq_amg, sne_amg,
3483 not_amg, compl_amg,
3484 inc_amg, dec_amg,
3485 atan2_amg, cos_amg,
3486 sin_amg, exp_amg,
3487 log_amg, sqrt_amg,
3488 repeat_amg, repeat_ass_amg,
3489 concat_amg, concat_ass_amg,
3490 copy_amg, neg_amg,
3491 to_sv_amg, to_av_amg,
3492 to_hv_amg, to_gv_amg,
d460ef45 3493 to_cv_amg, iter_amg,
f216259d
IZ
3494 int_amg, DESTROY_amg,
3495 max_amg_code
64a0062a 3496 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ
3497};
3498
3499#define NofAMmeth max_amg_code
89ffc314 3500#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3501
a0d0e21e 3502#ifdef DOINIT
22c35a8c 3503EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ
3504 /* Names kept in the symbol table. fallback => "()", the rest has
3505 "(" prepended. The only other place in perl which knows about
3506 this convention is AMG_id2name (used for debugging output and
3507 'nomethod' only), the only other place which has it hardwired is
3508 overload.pm. */
3509 "()", "(abs", /* "fallback" should be the first. */
3510 "(bool", "(nomethod",
3511 "(\"\"", "(0+",
3512 "(+", "(+=",
3513 "(-", "(-=",
3514 "(*", "(*=",
3515 "(/", "(/=",
3516 "(%", "(%=",
3517 "(**", "(**=",
3518 "(<<", "(<<=",
3519 "(>>", "(>>=",
3520 "(&", "(&=",
3521 "(|", "(|=",
3522 "(^", "(^=",
3523 "(<", "(<=",
3524 "(>", "(>=",
3525 "(==", "(!=",
3526 "(<=>", "(cmp",
3527 "(lt", "(le",
3528 "(gt", "(ge",
3529 "(eq", "(ne",
3530 "(!", "(~",
3531 "(++", "(--",
3532 "(atan2", "(cos",
3533 "(sin", "(exp",
3534 "(log", "(sqrt",
3535 "(x", "(x=",
3536 "(.", "(.=",
3537 "(=", "(neg",
3538 "(${}", "(@{}",
3539 "(%{}", "(*{}",
3540 "(&{}", "(<>",
f216259d 3541 "(int", "DESTROY",
a0d0e21e
LW
3542};
3543#else
22c35a8c 3544EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW
3545#endif /* def INITAMAGIC */
3546
73c4f7a1
GS
3547END_EXTERN_C
3548
a6006777 3549struct am_table {
a0d0e21e
LW
3550 long was_ok_sub;
3551 long was_ok_am;
a6006777
PP
3552 U32 flags;
3553 CV* table[NofAMmeth];
a0d0e21e
LW
3554 long fallback;
3555};
a6006777
PP
3556struct am_table_short {
3557 long was_ok_sub;
3558 long was_ok_am;
3559 U32 flags;
3560};
a0d0e21e 3561typedef struct am_table AMT;
a6006777 3562typedef struct am_table_short AMTS;
a0d0e21e
LW
3563
3564#define AMGfallNEVER 1
3565#define AMGfallNO 2
3566#define AMGfallYES 3
3567
a6006777 3568#define AMTf_AMAGIC 1
32251b26 3569#define AMTf_OVERLOADED 2
a6006777
PP
3570#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3571#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3572#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ
3573#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3574#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3575#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3576
32251b26 3577#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH
3578
3579/*
3580 * some compilers like to redefine cos et alia as faster
3581 * (and less accurate?) versions called F_cos et cetera (Quidquid
3582 * latine dictum sit, altum viditur.) This trick collides with
3583 * the Perl overloading (amg). The following #defines fool both.
3584 */
3585
3586#ifdef _FASTMATH
3587# ifdef atan2
3588# define F_atan2_amg atan2_amg
3589# endif
3590# ifdef cos
3591# define F_cos_amg cos_amg
3592# endif
3593# ifdef exp
3594# define F_exp_amg exp_amg
3595# endif
3596# ifdef log
3597# define F_log_amg log_amg
3598# endif
3599# ifdef pow
3600# define F_pow_amg pow_amg
3601# endif
3602# ifdef sin
3603# define F_sin_amg sin_amg
3604# endif
3605# ifdef sqrt
3606# define F_sqrt_amg sqrt_amg
3607# endif
3608#endif /* _FASTMATH */
3609
83ee9e09
GS
3610#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3611 PERLDBf_NOOPT | PERLDBf_INTER | \
3612 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3613 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3614 /* No _NONAME, _GOTO */
3615#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3616#define PERLDBf_LINE 0x02 /* Keep line # */
3617#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3618#define PERLDBf_INTER 0x08 /* Preserve more data for
3619 later inspections */
3620#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3621#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3622#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3623#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3624#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3625#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3626
3280af22
NIS
3627#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3628#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3629#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3630#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3631#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3632#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3633#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3634#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS
3635#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3636#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3637
bbce6d69 3638
36477c24 3639#ifdef USE_LOCALE_NUMERIC
bbce6d69 3640
36477c24 3641#define SET_NUMERIC_STANDARD() \
ff4fed7c 3642 set_numeric_standard();
36477c24
PP
3643
3644#define SET_NUMERIC_LOCAL() \
ff4fed7c 3645 set_numeric_local();
bbce6d69 3646
2de3dbcc
JH
3647#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3648#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3649
3650#define IN_LOCALE \
3651 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3652
f93f4e46 3653#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3654 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3655 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK
3656
3657#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3658 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3659 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK
3660
3661#define RESTORE_NUMERIC_LOCAL() \
3662 if (was_local) SET_NUMERIC_LOCAL();
3663
3664#define RESTORE_NUMERIC_STANDARD() \
3665 if (was_standard) SET_NUMERIC_STANDARD();
3666
5b877257 3667#define Atof my_atof
097ee67d 3668
36477c24 3669#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3670
097ee67d
JH
3671#define SET_NUMERIC_STANDARD() /**/
3672#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3673#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK
3674#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3675#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH
3676#define RESTORE_NUMERIC_LOCAL() /**/
3677#define RESTORE_NUMERIC_STANDARD() /**/
65202027 3678#define Atof Perl_atof
ad3e0f90 3679#define IN_LOCALE_RUNTIME 0
bbce6d69 3680
36477c24 3681#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3682
079290de 3683#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH
3684# ifdef __hpux
3685# define strtoll __strtoll /* secret handshake */
3686# endif
079290de
GS
3687# if !defined(Strtol) && defined(HAS_STRTOLL)
3688# define Strtol strtoll
ad551343 3689# endif
28e5dec8
JH
3690# if !defined(Strtol) && defined(HAS_STRTOQ)
3691# define Strtol strtoq
3692# endif
ff935051 3693/* is there atoq() anywhere? */
15b99d39 3694#endif
079290de
GS
3695#if !defined(Strtol) && defined(HAS_STRTOL)
3696# define Strtol strtol
3697#endif
3698#ifndef Atol
3699/* It would be more fashionable to use Strtol() to define atol()
3700 * (as is done for Atoul(), see below) but for backward compatibility
3701 * we just assume atol(). */
76b882ba
JH
3702# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
3703# define Atol atoll
3704# else
3705# define Atol atol
3706# endif
cf2093f6
JH
3707#endif
3708
55eb892c 3709#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH
3710# ifdef __hpux
3711# define strtoull __strtoull /* secret handshake */
3712# endif
ad551343 3713# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3714# define Strtoul strtoull
15b99d39 3715# endif
079290de
GS
3716# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3717# define Strtoul strtouq
3718# endif
76d49b1c 3719/* is there atouq() anywhere? */
ad551343 3720#endif
079290de
GS
3721#if !defined(Strtoul) && defined(HAS_STRTOUL)
3722# define Strtoul strtoul
cf2093f6 3723#endif
079290de
GS
3724#ifndef Atoul
3725# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3726#endif
cf2093f6 3727
e5c9fcd0 3728#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
d460ef45
NIS
3729/*
3730 * Now we have __attribute__ out of the way
3731 * Remap printf
760ac839 3732 */
39455587 3733#undef printf
c745e42c
NIS
3734#ifdef __GNUC__
3735#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3736#else
760ac839
LW
3737#define printf PerlIO_stdoutf
3738#endif
c745e42c 3739#endif
760ac839 3740
06d86050
GS
3741/* if these never got defined, they need defaults */
3742#ifndef PERL_SET_CONTEXT
3743# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3744#endif
3745
3746#ifndef PERL_GET_CONTEXT
3747# define PERL_GET_CONTEXT PERL_GET_INTERP
3748#endif
3749
3750#ifndef PERL_GET_THX
3751# define PERL_GET_THX ((void*)NULL)
3752#endif
3753
3754#ifndef PERL_SET_THX
3755# define PERL_SET_THX(t) NOOP
3756#endif
3757
a868473f
NIS
3758#ifndef PERL_SCRIPT_MODE
3759#define PERL_SCRIPT_MODE "r"
3760#endif
3761
fba3b22e 3762/*
da927450
JH
3763 * Some operating systems are stingy with stack allocation,
3764 * so perl may have to guard against stack overflow.