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a0d0e21e 1/* perl.h
a687059c 2 *
bc89e66f 3 * Copyright (c) 1987-2001, 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
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41/* See L<perlguts/"The Perl API"> for detailed notes on
42 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
43
6f4183fe 44#ifdef USE_ITHREADS
acfe0abc 45# if !defined(MULTIPLICITY)
6f4183fe
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46# define MULTIPLICITY
47# endif
48#endif
49
4d1ff10f 50#ifdef USE_5005THREADS
c5be433b
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51# ifndef PERL_IMPLICIT_CONTEXT
52# define PERL_IMPLICIT_CONTEXT
53# endif
c5be433b
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54#endif
55
c5be433b
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56#if defined(MULTIPLICITY)
57# ifndef PERL_IMPLICIT_CONTEXT
58# define PERL_IMPLICIT_CONTEXT
59# endif
c5be433b
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60#endif
61
c5be433b 62#ifdef PERL_IMPLICIT_CONTEXT
4d1ff10f 63# ifdef USE_5005THREADS
c5be433b 64struct perl_thread;
24e8e624 65# define pTHX register struct perl_thread *thr PERL_UNUSED_DECL
c5be433b 66# define aTHX thr
411caa50 67# define dTHR dNOOP /* only backward compatibility */
fd89de3a 68# define dTHXa(a) pTHX = (struct perl_thread*)a
c5be433b 69# else
f63b9778
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70# ifndef MULTIPLICITY
71# define MULTIPLICITY
72# endif
24e8e624 73# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
c5be433b 74# define aTHX my_perl
fd89de3a 75# define dTHXa(a) pTHX = (PerlInterpreter*)a
c5be433b 76# endif
fd89de3a 77# define dTHX pTHX = PERL_GET_THX
c5be433b 78# define pTHX_ pTHX,
c5be433b 79# define aTHX_ aTHX,
894356b3
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80# define pTHX_1 2
81# define pTHX_2 3
82# define pTHX_3 4
83# define pTHX_4 5
c5be433b
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84#endif
85
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86#define STATIC static
87#define CPERLscope(x) x
565764a8 88#define CPERLarg void
76e3520e 89#define CPERLarg_
e3b8966e 90#define _CPERLarg
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91#define PERL_OBJECT_THIS
92#define _PERL_OBJECT_THIS
93#define PERL_OBJECT_THIS_
312caa8e 94#define CALL_FPTR(fptr) (*fptr)
76e3520e 95
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96#define CALLRUNOPS CALL_FPTR(PL_runops)
97#define CALLREGCOMP CALL_FPTR(PL_regcompp)
98#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
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99#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
100#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
101#define CALLREGFREE CALL_FPTR(PL_regfree)
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102
103#ifdef PERL_FLEXIBLE_EXCEPTIONS
104# define CALLPROTECT CALL_FPTR(PL_protect)
105#endif
312caa8e 106
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107#ifdef HASATTRIBUTE
108# define PERL_UNUSED_DECL __attribute__((unused))
109#else
110# define PERL_UNUSED_DECL
111#endif
112
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113/* gcc -Wall:
114 * for silencing unused variables that are actually used most of the time,
115 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
116 */
117#define PERL_UNUSED_VAR(var) if (0) var = var
118
0cb96387 119#define NOOP (void)0
44dbb695 120#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 121
0cb96387
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122#ifndef pTHX
123# define pTHX void
124# define pTHX_
0cb96387
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125# define aTHX
126# define aTHX_
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127# define dTHXa(a) dNOOP
128# define dTHX dNOOP
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129# define pTHX_1 1
130# define pTHX_2 2
131# define pTHX_3 3
132# define pTHX_4 4
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133#endif
134
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135/* these are only defined for compatibility; should not be used internally */
136#if !defined(pTHXo) && !defined(PERL_CORE)
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137# define pTHXo pTHX
138# define pTHXo_ pTHX_
0cb96387
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139# define aTHXo aTHX
140# define aTHXo_ aTHX_
c5be433b 141# define dTHXo dTHX
71d280e3 142# define dTHXoa(x) dTHXa(x)
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143#endif
144
145#ifndef pTHXx
146# define pTHXx register PerlInterpreter *my_perl
147# define pTHXx_ pTHXx,
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148# define aTHXx my_perl
149# define aTHXx_ aTHXx,
c5be433b 150# define dTHXx dTHX
22c35a8c 151#endif
71be2cbc 152
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153/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
154 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
155 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
156#ifdef PERL_IMPLICIT_SYS
157# define dTHXs dTHX
158#else
159# define dTHXs dNOOP
160#endif
161
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162#undef START_EXTERN_C
163#undef END_EXTERN_C
164#undef EXTERN_C
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165#ifdef __cplusplus
166# define START_EXTERN_C extern "C" {
167# define END_EXTERN_C }
168# define EXTERN_C extern "C"
169#else
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170# define START_EXTERN_C
171# define END_EXTERN_C
73c4f7a1 172# define EXTERN_C extern
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173#endif
174
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175#ifdef OP_IN_REGISTER
176# ifdef __GNUC__
177# define stringify_immed(s) #s
178# define stringify(s) stringify_immed(s)
d1ca3daa 179register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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180# endif
181#endif
182
728e2803 183/*
184 * STMT_START { statements; } STMT_END;
185 * can be used as a single statement, as in
186 * if (x) STMT_START { ... } STMT_END; else ...
187 *
188 * Trying to select a version that gives no warnings...
189 */
190#if !(defined(STMT_START) && defined(STMT_END))
169d69b2 191# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
728e2803 192# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
193# define STMT_END )
194# else
195 /* Now which other defined()s do we need here ??? */
196# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
197# define STMT_START if (1)
198# define STMT_END else (void)0
199# else
200# define STMT_START do
201# define STMT_END while (0)
202# endif
203# endif
204#endif
205
0cb96387 206#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 207#define WITH_THR(s) WITH_THX(s)
ea0efc06 208
55497cff 209/*
210 * SOFT_CAST can be used for args to prototyped functions to retain some
211 * type checking; it only casts if the compiler does not know prototypes.
212 */
213#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
214#define SOFT_CAST(type)
215#else
216#define SOFT_CAST(type) (type)
217#endif
79072805 218
6ee623d5 219#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
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220# define BYTEORDER 0x1234
221#endif
222
223/* Overall memory policy? */
224#ifndef CONSERVATIVE
225# define LIBERAL 1
226#endif
227
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228#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
229#define ASCIIish
230#else
231#undef ASCIIish
232#endif
233
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234/*
235 * The following contortions are brought to you on behalf of all the
236 * standards, semi-standards, de facto standards, not-so-de-facto standards
237 * of the world, as well as all the other botches anyone ever thought of.
238 * The basic theory is that if we work hard enough here, the rest of the
239 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
240 */
ac58e20f 241
ee0007ab 242/* define this once if either system, instead of cluttering up the src */
2986a63f 243#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
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244#define DOSISH 1
245#endif
246
2986a63f 247#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
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248# define STANDARD_C 1
249#endif
250
2986a63f 251#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
68dc0745 252# define DONT_DECLARE_STD 1
253#endif
254
352d5a3a 255#if defined(HASVOLATILE) || defined(STANDARD_C)
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256# ifdef __cplusplus
257# define VOL // to temporarily suppress warnings
258# else
259# define VOL volatile
260# endif
663a0e37 261#else
79072805 262# define VOL
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263#endif
264
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265#define TAINT (PL_tainted = TRUE)
266#define TAINT_NOT (PL_tainted = FALSE)
267#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
268#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 269#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 270
d460ef45 271/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 272 defines move there? If so, I could simplify this a lot. --AD 9/96.
273*/
274/* Process group stuff changed from traditional BSD to POSIX.
275 perlfunc.pod documents the traditional BSD-style syntax, so we'll
276 try to preserve that, if possible.
277*/
278#ifdef HAS_SETPGID
279# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 280#else
a6e633de 281# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
282# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
283# else
284# ifdef HAS_SETPGRP2 /* DG/UX */
285# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
286# endif
287# endif
288#endif
289#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
290# define HAS_SETPGRP /* Well, effectively it does . . . */
291#endif
292
293/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
294 our life easier :-) so we'll try it.
295*/
296#ifdef HAS_GETPGID
297# define BSD_GETPGRP(pid) getpgid((pid))
298#else
299# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
300# define BSD_GETPGRP(pid) getpgrp((pid))
301# else
302# ifdef HAS_GETPGRP2 /* DG/UX */
303# define BSD_GETPGRP(pid) getpgrp2((pid))
304# endif
305# endif
306#endif
307#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
308# define HAS_GETPGRP /* Well, effectively it does . . . */
309#endif
310
d460ef45 311/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 312 have different behaviors, but perl.h used to define USE_BSDPGRP
313 (prior to 5.003_05) so some extension might depend on it.
314*/
315#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
316# ifndef USE_BSDPGRP
317# define USE_BSDPGRP
318# endif
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319#endif
320
3d62afa2 321/* Use the reentrant APIs like localtime_r and getpwent_r */
d80aa559
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322/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
323#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(WIN32)
d8916601 324# define USE_REENTRANT_API
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325#endif
326
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327/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
328 pthread.h must be included before all other header files.
329*/
4d1ff10f 330#if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) \
1feb2720 331 && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
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332# include <pthread.h>
333#endif
334
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335#ifndef _TYPES_ /* If types.h defines this it's easy. */
336# ifndef major /* Does everyone's types.h define this? */
337# include <sys/types.h>
c07a80fd 338# endif
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339#endif
340
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341#ifdef __cplusplus
342# ifndef I_STDARG
343# define I_STDARG 1
344# endif
345#endif
346
347#ifdef I_STDARG
348# include <stdarg.h>
349#else
350# ifdef I_VARARGS
351# include <varargs.h>
352# endif
353#endif
354
4633a7c4 355#ifdef USE_NEXT_CTYPE
0c30d9ec 356
092bebab
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357#if NX_CURRENT_COMPILER_RELEASE >= 500
358# include <bsd/ctypes.h>
359#else
360# if NX_CURRENT_COMPILER_RELEASE >= 400
361# include <objc/NXCType.h>
362# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
363# include <appkit/NXCType.h>
364# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
365#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 366
367#else /* !USE_NEXT_CTYPE */
fe14fcc3 368#include <ctype.h>
0c30d9ec 369#endif /* USE_NEXT_CTYPE */
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370
371#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
372#undef METHOD
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373#endif
374
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375#ifdef PERL_MICRO
376# define NO_LOCALE
377#endif
378
4633a7c4 379#ifdef I_LOCALE
36477c24 380# include <locale.h>
4633a7c4
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381#endif
382
36477c24 383#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
384# define USE_LOCALE
385# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
386 && defined(HAS_STRXFRM)
387# define USE_LOCALE_COLLATE
388# endif
389# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
390# define USE_LOCALE_CTYPE
391# endif
392# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
393# define USE_LOCALE_NUMERIC
394# endif
395#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 396
fe14fcc3 397#include <setjmp.h>
79072805 398
a0d0e21e 399#ifdef I_SYS_PARAM
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400# ifdef PARAM_NEEDS_TYPES
401# include <sys/types.h>
402# endif
403# include <sys/param.h>
352d5a3a 404#endif
79072805 405
79072805 406/* Use all the "standard" definitions? */
a0d0e21e 407#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 408# include <stdlib.h>
ff68c719 409#endif
03a14243 410
3f270f98
JH
411/* If this causes problems, set i_unistd=undef in the hint file. */
412#ifdef I_UNISTD
413# include <unistd.h>
414#endif
415
7114a2d2 416#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
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417int syscall(int, ...);
418#endif
419
7114a2d2 420#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 421int usleep(unsigned int);
2ef53570
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422#endif
423
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424#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
425# define MYSWAP
426#endif
427
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428/* Cannot include embed.h here on Win32 as win32.h has not
429 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
430 */
96e176bf 431#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
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432# include "embed.h"
433#endif
434
c31fac66
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435#define MEM_SIZE Size_t
436
51371543
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437#if defined(STANDARD_C) && defined(I_STDDEF)
438# include <stddef.h>
439# define STRUCT_OFFSET(s,m) offsetof(s,m)
440#else
441# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
442#endif
443
444#if defined(I_STRING) || defined(__cplusplus)
445# include <string.h>
446#else
447# include <strings.h>
448#endif
449
55497cff 450/* This comes after <stdlib.h> so we don't try to change the standard
451 * library prototypes; we'll use our own in proto.h instead. */
03a14243 452
4633a7c4 453#ifdef MYMALLOC
86058a2d 454# ifdef PERL_POLLUTE_MALLOC
ee13e175 455# ifndef PERL_EXTMALLOC_DEF
86058a2d
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456# define Perl_malloc malloc
457# define Perl_calloc calloc
458# define Perl_realloc realloc
459# define Perl_mfree free
ee13e175 460# endif
86058a2d
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461# else
462# define EMBEDMYMALLOC /* for compatibility */
463# endif
20ce7b12
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464Malloc_t Perl_malloc (MEM_SIZE nbytes);
465Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
466Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
86058a2d
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467/* 'mfree' rather than 'free', since there is already a 'perl_free'
468 * that causes clashes with case-insensitive linkers */
20ce7b12 469Free_t Perl_mfree (Malloc_t where);
55497cff 470
827e134a
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471typedef struct perl_mstats perl_mstats_t;
472
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473# define safemalloc Perl_malloc
474# define safecalloc Perl_calloc
475# define saferealloc Perl_realloc
476# define safefree Perl_mfree
f2517201
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477#else /* MYMALLOC */
478# define safemalloc safesysmalloc
479# define safecalloc safesyscalloc
480# define saferealloc safesysrealloc
481# define safefree safesysfree
55497cff 482#endif /* MYMALLOC */
4633a7c4 483
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484#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
485#define strchr index
486#define strrchr rindex
487#endif
488
16d20bd9
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489#ifdef I_MEMORY
490# include <memory.h>
491#endif
492
fe14fcc3 493#ifdef HAS_MEMCPY
85e6fe83 494# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 495# ifndef memcpy
20ce7b12 496 extern char * memcpy (char*, char*, int);
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497# endif
498# endif
499#else
500# ifndef memcpy
501# ifdef HAS_BCOPY
502# define memcpy(d,s,l) bcopy(s,d,l)
503# else
504# define memcpy(d,s,l) my_bcopy(s,d,l)
505# endif
506# endif
507#endif /* HAS_MEMCPY */
fe14fcc3 508
ee0007ab 509#ifdef HAS_MEMSET
85e6fe83 510# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 511# ifndef memset
20ce7b12 512 extern char *memset (char*, int, int);
ee0007ab
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513# endif
514# endif
ee0007ab 515#else
12ae5dfc 516# undef memset
fc36a67e 517# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
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518#endif /* HAS_MEMSET */
519
85e6fe83 520#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 521# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
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522# define memmove(d,s,l) bcopy(s,d,l)
523# else
2304df62 524# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 525# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 526# else
79072805 527# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 528# endif
352d5a3a 529# endif
d9d8d8de 530#endif
ee0007ab 531
36477c24 532#if defined(mips) && defined(ultrix) && !defined(__STDC__)
533# undef HAS_MEMCMP
534#endif
535
536#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 537# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 538# ifndef memcmp
20ce7b12 539 extern int memcmp (char*, char*, int);
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540# endif
541# endif
36477c24 542# ifdef BUGGY_MSC
543 # pragma function(memcmp)
544# endif
ee0007ab
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545#else
546# ifndef memcmp
ecfc5424 547# define memcmp my_memcmp
352d5a3a 548# endif
36477c24 549#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 550
fc36a67e 551#ifndef memzero
c635e13b 552# ifdef HAS_MEMSET
553# define memzero(d,l) memset(d,0,l)
79072805 554# else
c635e13b 555# ifdef HAS_BZERO
556# define memzero(d,l) bzero(d,l)
79072805 557# else
fc36a67e 558# define memzero(d,l) my_bzero(d,l)
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559# endif
560# endif
d9d8d8de 561#endif
378cc40b 562
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JH
563#ifndef memchr
564# ifndef HAS_MEMCHR
565# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
566# endif
567#endif
568
36477c24 569#ifndef HAS_BCMP
570# ifndef bcmp
571# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 572# endif
36477c24 573#endif /* !HAS_BCMP */
378cc40b 574
ae986130 575#ifdef I_NETINET_IN
79072805 576# include <netinet/in.h>
ae986130
LW
577#endif
578
28e8609d
JH
579#ifdef I_ARPA_INET
580# include <arpa/inet.h>
581#endif
582
84902520
TB
583#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
584/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
585 * (the neo-BSD seem to do this). */
586# undef SF_APPEND
587#endif
588
1aef975c 589#ifdef I_SYS_STAT
84902520 590# include <sys/stat.h>
1aef975c 591#endif
79072805 592
a0d0e21e
LW
593/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
594 like UTekV) are broken, sometimes giving false positives. Undefine
595 them here and let the code below set them to proper values.
596
597 The ghs macro stands for GreenHills Software C-1.8.5 which
598 is the C compiler for sysV88 and the various derivatives.
599 This header file bug is corrected in gcc-2.5.8 and later versions.
600 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
601
602#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
603# undef S_ISDIR
604# undef S_ISCHR
605# undef S_ISBLK
606# undef S_ISREG
607# undef S_ISFIFO
608# undef S_ISLNK
ee0007ab 609#endif
135863df 610
663a0e37
LW
611#ifdef I_TIME
612# include <time.h>
ffed7fef 613#endif
663a0e37 614
fe14fcc3 615#ifdef I_SYS_TIME
85e6fe83 616# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
617# define KERNEL
618# endif
619# include <sys/time.h>
85e6fe83 620# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
621# undef KERNEL
622# endif
a687059c 623#endif
135863df 624
55497cff 625#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 626# include <sys/times.h>
d9d8d8de 627#endif
8d063cd8 628
fe14fcc3 629#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 630# undef HAS_STRERROR
663a0e37
LW
631#endif
632
633#include <errno.h>
1e743fda 634
acfe0abc 635#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
636# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
637#endif
638
4e0554ec
JH
639/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */
640#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
641# define _SOCKADDR_LEN
642#endif
643
8d3f517a 644#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
645# include <sys/socket.h>
646# if defined(USE_SOCKS) && defined(I_SOCKS)
647# if !defined(INCLUDE_PROTOTYPES)
648# define INCLUDE_PROTOTYPES /* for <socks.h> */
649# define PERL_SOCKS_NEED_PROTOTYPES
650# endif
4d1ff10f 651# ifdef USE_5005THREADS
c3dedce1 652# define PERL_USE_THREADS /* store our value */
4d1ff10f 653# undef USE_5005THREADS
c3dedce1 654# endif
1e743fda 655# include <socks.h>
4d1ff10f
AB
656# ifdef USE_5005THREADS
657# undef USE_5005THREADS /* socks.h does this on its own */
c3dedce1
JH
658# endif
659# ifdef PERL_USE_THREADS
4d1ff10f 660# define USE_5005THREADS /* restore our value */
c3dedce1
JH
661# undef PERL_USE_THREADS
662# endif
1e743fda
JH
663# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
664# undef INCLUDE_PROTOTYPES
665# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 666# endif
d460ef45 667# endif
1e743fda 668# ifdef I_NETDB
2986a63f
JH
669# ifdef NETWARE
670# include<stdio.h>
671# endif
1e743fda
JH
672# include <netdb.h>
673# endif
674# ifndef ENOTSOCK
675# ifdef I_NET_ERRNO
676# include <net/errno.h>
677# endif
678# endif
679#endif
680
fa0a29af 681/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 682 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 683#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH
684int sockatmark(int);
685#endif
686
1e743fda
JH
687#ifdef SETERRNO
688# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 689#endif
f86702cc 690
691#ifdef VMS
692# define SETERRNO(errcode,vmserrcode) \
693 STMT_START { \
694 set_errno(errcode); \
695 set_vaxc_errno(vmserrcode); \
696 } STMT_END
748a9306 697#else
aba27d88 698# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
748a9306 699#endif
ed6116ce 700
4d1ff10f 701#ifdef USE_5005THREADS
38a03e6e 702# define ERRSV (thr->errsv)
940cb80d
MB
703# define DEFSV THREADSV(0)
704# define SAVE_DEFSV save_threadsv(0)
38a03e6e 705#else
3280af22 706# define ERRSV GvSV(PL_errgv)
3280af22
NIS
707# define DEFSV GvSV(PL_defgv)
708# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
4d1ff10f 709#endif /* USE_5005THREADS */
38a03e6e 710
98eae8f5
GS
711#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
712
55497cff 713#ifndef errno
5ff3f7a4
GS
714 extern int errno; /* ANSI allows errno to be an lvalue expr.
715 * For example in multithreaded environments
716 * something like this might happen:
717 * extern int *_errno(void);
718 * #define errno (*_errno()) */
d9d8d8de 719#endif
663a0e37 720
2304df62 721#ifdef HAS_STRERROR
a0d0e21e 722# ifdef VMS
20ce7b12 723 char *strerror (int,...);
a0d0e21e 724# else
68dc0745 725#ifndef DONT_DECLARE_STD
20ce7b12 726 char *strerror (int);
68dc0745 727#endif
a0d0e21e 728# endif
2304df62
AD
729# ifndef Strerror
730# define Strerror strerror
731# endif
732#else
733# ifdef HAS_SYS_ERRLIST
79072805
LW
734 extern int sys_nerr;
735 extern char *sys_errlist[];
2304df62
AD
736# ifndef Strerror
737# define Strerror(e) \
79072805 738 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 739# endif
79072805 740# endif
35c8bce7 741#endif
663a0e37 742
2304df62 743#ifdef I_SYS_IOCTL
79072805
LW
744# ifndef _IOCTL_
745# include <sys/ioctl.h>
746# endif
a687059c
LW
747#endif
748
ee0007ab 749#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
750# ifdef HAS_SOCKETPAIR
751# undef HAS_SOCKETPAIR
752# endif
2304df62
AD
753# ifdef I_NDBM
754# undef I_NDBM
79072805 755# endif
a687059c
LW
756#endif
757
a687059c 758#if INTSIZE == 2
79072805
LW
759# define htoni htons
760# define ntohi ntohs
a687059c 761#else
79072805
LW
762# define htoni htonl
763# define ntohi ntohl
a687059c
LW
764#endif
765
a0d0e21e 766/* Configure already sets Direntry_t */
35c8bce7 767#if defined(I_DIRENT)
663a0e37 768# include <dirent.h>
8f1f23e8
W
769 /* NeXT needs dirent + sys/dir.h */
770# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
771# include <sys/dir.h>
772# endif
ae986130 773#else
fe14fcc3 774# ifdef I_SYS_NDIR
79a0689e 775# include <sys/ndir.h>
663a0e37 776# else
fe14fcc3 777# ifdef I_SYS_DIR
79a0689e
LW
778# ifdef hp9000s500
779# include <ndir.h> /* may be wrong in the future */
780# else
781# include <sys/dir.h>
782# endif
663a0e37
LW
783# endif
784# endif
4633a7c4 785#endif
a687059c 786
12ae5dfc
JH
787#ifdef PERL_MICRO
788# ifndef DIR
789# define DIR void
790# endif
791#endif
792
352d5a3a
LW
793#ifdef FPUTS_BOTCH
794/* work around botch in SunOS 4.0.1 and 4.0.2 */
795# ifndef fputs
79072805 796# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
797# endif
798#endif
799
c623bd54
LW
800/*
801 * The following gobbledygook brought to you on behalf of __STDC__.
802 * (I could just use #ifndef __STDC__, but this is more bulletproof
803 * in the face of half-implementations.)
804 */
805
7114a2d2 806#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
807#include <sys/mode.h>
808#endif
809
c623bd54
LW
810#ifndef S_IFMT
811# ifdef _S_IFMT
812# define S_IFMT _S_IFMT
813# else
814# define S_IFMT 0170000
815# endif
816#endif
817
818#ifndef S_ISDIR
819# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
820#endif
821
822#ifndef S_ISCHR
823# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
824#endif
825
826#ifndef S_ISBLK
fe14fcc3
LW
827# ifdef S_IFBLK
828# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
829# else
830# define S_ISBLK(m) (0)
831# endif
c623bd54
LW
832#endif
833
834#ifndef S_ISREG
835# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
836#endif
837
838#ifndef S_ISFIFO
fe14fcc3
LW
839# ifdef S_IFIFO
840# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
841# else
842# define S_ISFIFO(m) (0)
843# endif
c623bd54
LW
844#endif
845
846#ifndef S_ISLNK
847# ifdef _S_ISLNK
848# define S_ISLNK(m) _S_ISLNK(m)
849# else
850# ifdef _S_IFLNK
851# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
852# else
853# ifdef S_IFLNK
854# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
855# else
856# define S_ISLNK(m) (0)
857# endif
858# endif
859# endif
860#endif
861
862#ifndef S_ISSOCK
863# ifdef _S_ISSOCK
864# define S_ISSOCK(m) _S_ISSOCK(m)
865# else
866# ifdef _S_IFSOCK
867# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
868# else
869# ifdef S_IFSOCK
870# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
871# else
872# define S_ISSOCK(m) (0)
873# endif
874# endif
875# endif
876#endif
877
878#ifndef S_IRUSR
879# ifdef S_IREAD
880# define S_IRUSR S_IREAD
881# define S_IWUSR S_IWRITE
882# define S_IXUSR S_IEXEC
883# else
884# define S_IRUSR 0400
885# define S_IWUSR 0200
886# define S_IXUSR 0100
887# endif
fac7cdfc
JS
888#endif
889
890#ifndef S_IRGRP
891# ifdef S_IRUSR
892# define S_IRGRP (S_IRUSR>>3)
893# define S_IWGRP (S_IWUSR>>3)
894# define S_IXGRP (S_IXUSR>>3)
895# else
896# define S_IRGRP 0040
897# define S_IWGRP 0020
898# define S_IXGRP 0010
899# endif
900#endif
901
902#ifndef S_IROTH
903# ifdef S_IRUSR
904# define S_IROTH (S_IRUSR>>6)
905# define S_IWOTH (S_IWUSR>>6)
906# define S_IXOTH (S_IXUSR>>6)
907# else
908# define S_IROTH 0040
909# define S_IWOTH 0020
910# define S_IXOTH 0010
911# endif
c623bd54
LW
912#endif
913
914#ifndef S_ISUID
915# define S_ISUID 04000
916#endif
917
918#ifndef S_ISGID
919# define S_ISGID 02000
920#endif
921
ca6e1c26
JH
922#ifndef S_IRWXU
923# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 924#endif
ca6e1c26
JH
925
926#ifndef S_IRWXG
927# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 928#endif
ca6e1c26
JH
929
930#ifndef S_IRWXO
931# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 932#endif
ca6e1c26 933
c21fb2b8
JH
934/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
935 * which would get included through <sys/file.h >, but that is 3000
936 * lines in the future. --jhi */
937
938#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
939# define S_IREAD S_IRUSR
940#endif
941
c21fb2b8 942#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
943# define S_IWRITE S_IWUSR
944#endif
945
946#ifndef S_IEXEC
947# define S_IEXEC S_IXUSR
948#endif
949
79072805
LW
950#ifdef ff_next
951# undef ff_next
352d5a3a
LW
952#endif
953
a0d0e21e 954#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
955# define SLOPPYDIVIDE
956#endif
957
748a9306
LW
958#ifdef UV
959#undef UV
960#endif
961
c89df6bf
JH
962#ifdef SPRINTF_E_BUG
963# define sprintf UTS_sprintf_wrap
964#endif
965
c495e728
JH
966/* Configure gets this right but the UTS compiler gets it wrong.
967 -- Hal Morris <hom00@utsglobal.com> */
968#ifdef UTS
969# undef UVTYPE
970# define UVTYPE unsigned
971#endif
972
05f13f53 973/*
27d4fb96 974 The IV type is supposed to be long enough to hold any integral
975 value or a pointer.
976 --Andy Dougherty August 1996
977*/
978
a22e52b9
JH
979typedef IVTYPE IV;
980typedef UVTYPE UV;
8175356b 981
10cc9d2a 982#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 983# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
984# define IV_MAX INT64_MAX
985# define IV_MIN INT64_MIN
986# define UV_MAX UINT64_MAX
cae7ae48
JH
987# ifndef UINT64_MIN
988# define UINT64_MIN 0
989# endif
5ff3f7a4
GS
990# define UV_MIN UINT64_MIN
991# else
992# define IV_MAX PERL_QUAD_MAX
993# define IV_MIN PERL_QUAD_MIN
994# define UV_MAX PERL_UQUAD_MAX
995# define UV_MIN PERL_UQUAD_MIN
996# endif
cf2093f6
JH
997# define IV_IS_QUAD
998# define UV_IS_QUAD
79072805 999#else
8175356b 1000# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1001# define IV_MAX INT32_MAX
1002# define IV_MIN INT32_MIN
716026f9
DL
1003# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1004# define UV_MAX UINT32_MAX
1005# else
1006# define UV_MAX 4294967295U
1007# endif
cae7ae48
JH
1008# ifndef UINT32_MIN
1009# define UINT32_MIN 0
1010# endif
5ff3f7a4
GS
1011# define UV_MIN UINT32_MIN
1012# else
1013# define IV_MAX PERL_LONG_MAX
1014# define IV_MIN PERL_LONG_MIN
1015# define UV_MAX PERL_ULONG_MAX
1016# define UV_MIN PERL_ULONG_MIN
1017# endif
8175356b 1018# if IVSIZE == 8
cf2093f6
JH
1019# define IV_IS_QUAD
1020# define UV_IS_QUAD
de1c2614
JH
1021# ifndef HAS_QUAD
1022# define HAS_QUAD
1023# endif
cf2093f6
JH
1024# else
1025# undef IV_IS_QUAD
1026# undef UV_IS_QUAD
de1c2614 1027# undef HAS_QUAD
cf2093f6 1028# endif
79072805 1029#endif
d7d93a81 1030
6cde8aec 1031#if defined(uts) || defined(UTS)
11afe549
HM
1032# undef UV_MAX
1033# define UV_MAX (4294967295u)
20601011
JH
1034#endif
1035
cae7ae48 1036#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1037#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1038
28e5dec8 1039#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1040#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1041#endif
1042
d460ef45 1043/*
26bb67e2
JH
1044 * The macros INT2PTR and NUM2PTR are (despite their names)
1045 * bi-directional: they will convert int/float to or from pointers.
1046 * However the conversion to int/float are named explicitly:
1047 * PTR2IV, PTR2UV, PTR2NV.
1048 *
1049 * For int conversions we do not need two casts if pointers are
1050 * the same size as IV and UV. Otherwise we need an explicit
1051 * cast (PTRV) to avoid compiler warnings.
1052 */
56431972
RB
1053#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1054# define PTRV UV
1055# define INT2PTR(any,d) (any)(d)
1056#else
d460ef45 1057# if PTRSIZE == LONGSIZE
56431972 1058# define PTRV unsigned long
42718184 1059# else
56431972 1060# define PTRV unsigned
42718184 1061# endif
56431972 1062# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1063#endif
56431972
RB
1064#define NUM2PTR(any,d) (any)(PTRV)(d)
1065#define PTR2IV(p) INT2PTR(IV,p)
1066#define PTR2UV(p) INT2PTR(UV,p)
1067#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1068#if PTRSIZE == LONGSIZE
d2560b70
RB
1069# define PTR2ul(p) (unsigned long)(p)
1070#else
1071# define PTR2ul(p) INT2PTR(unsigned long,p)
1072#endif
d460ef45 1073
65202027 1074#ifdef USE_LONG_DOUBLE
1048ea30
JH
1075# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1076# define LONG_DOUBLE_EQUALS_DOUBLE
1077# endif
68d4903c 1078# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1079# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1080# endif
1081#endif
1082
2d4389e4
JH
1083#ifdef OVR_DBL_DIG
1084/* Use an overridden DBL_DIG */
1085# ifdef DBL_DIG
1086# undef DBL_DIG
1087# endif
1088# define DBL_DIG OVR_DBL_DIG
1089#else
1090/* The following is all to get DBL_DIG, in order to pick a nice
1091 default value for printing floating point numbers in Gconvert.
1092 (see config.h)
1093*/
1094#ifdef I_LIMITS
1095#include <limits.h>
1096#endif
1097#ifdef I_FLOAT
1098#include <float.h>
1099#endif
1100#ifndef HAS_DBL_DIG
1101#define DBL_DIG 15 /* A guess that works lots of places */
1102#endif
1103#endif
cbca01e1
JH
1104#ifdef I_FLOAT
1105#include <float.h>
1106#endif
1107#ifndef HAS_DBL_DIG
1108#define DBL_DIG 15 /* A guess that works lots of places */
1109#endif
2d4389e4
JH
1110
1111#ifdef OVR_LDBL_DIG
1112/* Use an overridden LDBL_DIG */
1113# ifdef LDBL_DIG
1114# undef LDBL_DIG
1115# endif
1116# define LDBL_DIG OVR_LDBL_DIG
1117#else
1118/* The following is all to get LDBL_DIG, in order to pick a nice
1119 default value for printing floating point numbers in Gconvert.
1120 (see config.h)
1121*/
68d4903c
JH
1122# ifdef I_LIMITS
1123# include <limits.h>
1124# endif
1125# ifdef I_FLOAT
1126# include <float.h>
1127# endif
1128# ifndef HAS_LDBL_DIG
1129# if LONG_DOUBLESIZE == 10
1130# define LDBL_DIG 18 /* assume IEEE */
1131# else
1132# if LONG_DOUBLESIZE == 12
1133# define LDBL_DIG 18 /* gcc? */
1134# else
1135# if LONG_DOUBLESIZE == 16
1136# define LDBL_DIG 33 /* assume IEEE */
1137# else
1138# if LONG_DOUBLESIZE == DOUBLESIZE
1139# define LDBL_DIG DBL_DIG /* bummer */
1140# endif
1141# endif
1142# endif
1143# endif
1144# endif
2d4389e4
JH
1145#endif
1146
a22e52b9 1147typedef NVTYPE NV;
8175356b 1148
792d8dab
JH
1149#ifdef I_IEEEFP
1150# include <ieeefp.h>
1151#endif
923fc586 1152
65202027 1153#ifdef USE_LONG_DOUBLE
923fc586
JH
1154# ifdef I_SUNMATH
1155# include <sunmath.h>
1156# endif
2d4389e4 1157# define NV_DIG LDBL_DIG
d6c14000
JH
1158# ifdef LDBL_MANT_DIG
1159# define NV_MANT_DIG LDBL_MANT_DIG
1160# endif
06fc1729
JH
1161# ifdef LDBL_MIN
1162# define NV_MIN LDBL_MIN
1163# endif
1164# ifdef LDBL_MAX
1165# define NV_MAX LDBL_MAX
1166# endif
1167# ifdef LDBL_MIN_10_EXP
1168# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1169# endif
1170# ifdef LDBL_MAX_10_EXP
1171# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1172# endif
1173# ifdef LDBL_EPSILON
1174# define NV_EPSILON LDBL_EPSILON
1175# endif
f4a14a62
JH
1176# ifdef LDBL_MAX
1177# define NV_MAX LDBL_MAX
1178# define NV_MIN LDBL_MIN
1179# else
1180# ifdef HUGE_VALL
1181# define NV_MAX HUGE_VALL
1182# else
1183# ifdef HUGE_VAL
1184# define NV_MAX ((NV)HUGE_VAL)
1185# endif
1186# endif
1187# endif
68d4903c 1188# ifdef HAS_SQRTL
68d4903c
JH
1189# define Perl_cos cosl
1190# define Perl_sin sinl
1191# define Perl_sqrt sqrtl
1192# define Perl_exp expl
1193# define Perl_log logl
1194# define Perl_atan2 atan2l
1195# define Perl_pow powl
1196# define Perl_floor floorl
1197# define Perl_fmod fmodl
1198# endif
a3540c92
JH
1199/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1200# ifdef HAS_MODFL
1201# define Perl_modf(x,y) modfl(x,y)
e82e08d5
JH
1202# else
1203# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
a3540c92
JH
1204# endif
1205# ifdef HAS_FREXPL
dff3e0b8 1206# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5
JH
1207# else
1208# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
a3540c92 1209# endif
758a5d79
JH
1210# ifndef Perl_isinf
1211# ifdef HAS_ISNANL
1212# define Perl_isnan(x) isnanl(x)
1213# endif
1214# endif
1215# ifndef Perl_isinf
1216# ifdef HAS_FINITEL
1217# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1218# endif
1219# endif
65202027 1220#else
2d4389e4 1221# define NV_DIG DBL_DIG
d6c14000
JH
1222# ifdef DBL_MANT_DIG
1223# define NV_MANT_DIG DBL_MANT_DIG
1224# endif
06fc1729
JH
1225# ifdef DBL_MIN
1226# define NV_MIN DBL_MIN
1227# endif
1228# ifdef DBL_MAX
1229# define NV_MAX DBL_MAX
1230# endif
1231# ifdef DBL_MIN_10_EXP
1232# define NV_MIN_10_EXP DBL_MIN_10_EXP
1233# endif
1234# ifdef DBL_MAX_10_EXP
1235# define NV_MAX_10_EXP DBL_MAX_10_EXP
1236# endif
1237# ifdef DBL_EPSILON
1238# define NV_EPSILON DBL_EPSILON
1239# endif
f4a14a62
JH
1240# ifdef DBL_MAX
1241# define NV_MAX DBL_MAX
1242# define NV_MIN DBL_MIN
1243# else
1244# ifdef HUGE_VAL
1245# define NV_MAX HUGE_VAL
1246# endif
1247# endif
65202027
DS
1248# define Perl_cos cos
1249# define Perl_sin sin
1250# define Perl_sqrt sqrt
1251# define Perl_exp exp
1252# define Perl_log log
1253# define Perl_atan2 atan2
1254# define Perl_pow pow
1255# define Perl_floor floor
65202027 1256# define Perl_fmod fmod
a3540c92 1257# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1258# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1259#endif
1260
1261/* rumor has it that Win32 has _fpclass() */
1262
1263#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1264# ifdef I_IEEFP
1265# include <ieeefp.h>
1266# endif
1267# ifdef I_FP
1268# include <fp.h>
1269# endif
1270# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1271# define Perl_fp_class() fpclassl(x)
1272# else
1273# define Perl_fp_class() fpclass(x)
1274# endif
1275# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1276# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1277# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1278# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1279# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1280# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1281# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1282# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1283# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1284# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1285# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1286# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1287# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1288# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1289# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1290#endif
1291
7114a2d2 1292#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1293# include <math.h>
1294# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1295# include <fp_class.h>
1296# endif
1297# define Perl_fp_class(x) fp_class(x)
1298# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1299# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1300# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1301# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1302# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1303# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1304# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1305# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1306# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1307# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1308# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1309# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1310# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1311# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1312# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1313#endif
1314
1315#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1316# include <math.h>
1317# define Perl_fp_class(x) fpclassify(x)
1318# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN|FP|_fp_classify(x)==QNAN)
1319# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1320# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1321# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1322# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1323#endif
1324
1325#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1326# include <math.h>
1327# ifndef _cplusplus
1328# define Perl_fp_class(x) class(x)
1329# else
1330# define Perl_fp_class(x) _class(x)
1331# endif
1332# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1333# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1334# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1335# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1336# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1337# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1338# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1339# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1340# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1341# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1342# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1343# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1344# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1345# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1346# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1347#endif
1348
1349/* rumor has it that Win32 has _isnan() */
1350
1351#ifndef Perl_isnan
a3540c92 1352# ifdef HAS_ISNAN
758a5d79
JH
1353# define Perl_isnan(x) isnan((NV)x)
1354# else
1355# ifdef Perl_fp_class_nan
1356# define Perl_isnan(x) Perl_fp_class_nan(x)
1357# else
1358# ifdef HAS_UNORDERED
1359# define Perl_isnan(x) unordered((x), 0.0)
1360# else
1361# define Perl_isnan(x) ((x)!=(x))
1362# endif
1363# endif
1364# endif
1365#endif
1366
ca6c63e1
JH
1367#ifdef UNDER_CE
1368int isnan(double d);
1369#endif
1370
758a5d79
JH
1371#ifndef Perl_isinf
1372# ifdef HAS_ISINF
1373# define Perl_isinf(x) isinf((NV)x)
a3540c92 1374# else
758a5d79
JH
1375# ifdef Perl_fp_class_inf
1376# define Perl_isinf(x) Perl_fp_class_inf(x)
1377# else
1378# define Perl_isinf(x) ((x)==NV_INF)
1379# endif
1380# endif
1381#endif
1382
1383#ifndef Perl_isfinite
1384# ifdef HAS_FINITE
1385# define Perl_isfinite(x) finite((NV)x)
1386# else
1387# ifdef HAS_ISFINITE
1388# define Perl_isfinite(x) isfinite(x)
1389# else
1390# ifdef Perl_fp_class_finite
1391# define Perl_isfinite(x) Perl_fp_class_finite(x)
1392# else
1393# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1394# endif
1395# endif
a3540c92 1396# endif
65202027
DS
1397#endif
1398
1f727ac0
HS
1399#define Perl_atof(s) Perl_my_atof(s)
1400#define Perl_atof2(s, np) Perl_my_atof2(s, np)
cf2093f6 1401
d460ef45 1402/* Previously these definitions used hardcoded figures.
760ac839
LW
1403 * It is hoped these formula are more portable, although
1404 * no data one way or another is presently known to me.
1405 * The "PERL_" names are used because these calculated constants
1406 * do not meet the ANSI requirements for LONG_MAX, etc., which
1407 * need to be constants acceptable to #if - kja
1408 * define PERL_LONG_MAX 2147483647L
1409 * define PERL_LONG_MIN (-LONG_MAX - 1)
1410 * define PERL ULONG_MAX 4294967295L
1411 */
1412
1413#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1414# include <limits.h>
1415#else
1416#ifdef I_VALUES
1417# include <values.h>
1418#endif
1419#endif
1420
99abf803 1421/*
1422 * Try to figure out max and min values for the integral types. THE CORRECT
1423 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1424 * following hacks are used if neither limits.h or values.h provide them:
1425 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1426 * for types < int: (unsigned TYPE)~(unsigned)0
1427 * The argument to ~ must be unsigned so that later signed->unsigned
1428 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1429 * and it must not be smaller than int because ~ does integral promotion.
1430 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1431 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1432 * The latter is a hack which happens to work on some machines but
1433 * does *not* catch any random system, or things like integer types
1434 * with NaN if that is possible.
1435 *
1436 * All of the types are explicitly cast to prevent accidental loss of
1437 * numeric range, and in the hope that they will be less likely to confuse
1438 * over-eager optimizers.
1439 *
1440 */
27d4fb96 1441
99abf803 1442#define PERL_UCHAR_MIN ((unsigned char)0)
1443
1444#ifdef UCHAR_MAX
1445# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1446#else
99abf803 1447# ifdef MAXUCHAR
1448# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1449# else
99abf803 1450# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1451# endif
1452#endif
d460ef45 1453
99abf803 1454/*
1455 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1456 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1457 * depending on local options. Until Configure detects this (or at least
1458 * detects whether the "signed" keyword is available) the CHAR ranges
1459 * will not be included. UCHAR functions normally.
1460 * - kja
1461 */
27d4fb96 1462
99abf803 1463#define PERL_USHORT_MIN ((unsigned short)0)
1464
1465#ifdef USHORT_MAX
1466# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1467#else
99abf803 1468# ifdef MAXUSHORT
1469# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1470# else
ef2f54b0
CB
1471# ifdef USHRT_MAX
1472# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1473# else
1474# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1475# endif
27d4fb96 1476# endif
1477#endif
1478
27d4fb96 1479#ifdef SHORT_MAX
99abf803 1480# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1481#else
1482# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1483# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1484# else
ef2f54b0
CB
1485# ifdef SHRT_MAX
1486# define PERL_SHORT_MAX ((short)SHRT_MAX)
1487# else
1488# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1489# endif
27d4fb96 1490# endif
1491#endif
1492
1493#ifdef SHORT_MIN
99abf803 1494# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1495#else
1496# ifdef MINSHORT
99abf803 1497# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1498# else
ef2f54b0
CB
1499# ifdef SHRT_MIN
1500# define PERL_SHORT_MIN ((short)SHRT_MIN)
1501# else
1502# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1503# endif
27d4fb96 1504# endif
1505#endif
1506
99abf803 1507#ifdef UINT_MAX
1508# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1509#else
99abf803 1510# ifdef MAXUINT
1511# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1512# else
99abf803 1513# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1514# endif
1515#endif
1516
99abf803 1517#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1518
1519#ifdef INT_MAX
99abf803 1520# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1521#else
1522# ifdef MAXINT /* Often used in <values.h> */
99abf803 1523# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1524# else
99abf803 1525# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1526# endif
1527#endif
1528
1529#ifdef INT_MIN
99abf803 1530# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1531#else
1532# ifdef MININT
99abf803 1533# define PERL_INT_MIN ((int)MININT)
27d4fb96 1534# else
1535# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1536# endif
1537#endif
1538
99abf803 1539#ifdef ULONG_MAX
1540# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1541#else
99abf803 1542# ifdef MAXULONG
1543# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1544# else
99abf803 1545# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1546# endif
1547#endif
1548
99abf803 1549#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1550
760ac839 1551#ifdef LONG_MAX
99abf803 1552# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
1553#else
1554# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1555# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1556# else
99abf803 1557# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
1558# endif
1559#endif
1560
1561#ifdef LONG_MIN
99abf803 1562# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
1563#else
1564# ifdef MINLONG
99abf803 1565# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1566# else
27d4fb96 1567# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
1568# endif
1569#endif
1570
d7d93a81 1571#ifdef UV_IS_QUAD
99abf803 1572
99abf803 1573# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1574# define PERL_UQUAD_MIN ((UV)0)
99abf803 1575# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1576# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1577
79072805
LW
1578#endif
1579
880b20b6
IZ
1580struct perl_mstats {
1581 UV *nfree;
1582 UV *ntotal;
1583 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1584 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1585 IV minbucket;
1586 /* Level 1 info */
1587 UV *bucket_mem_size;
1588 UV *bucket_available_size;
1589 UV nbuckets;
1590};
830247a4 1591struct RExC_state_t;
880b20b6 1592
ee0007ab 1593typedef MEM_SIZE STRLEN;
450a55e4 1594
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LW
1595typedef struct op OP;
1596typedef struct cop COP;
1597typedef struct unop UNOP;
1598typedef struct binop BINOP;
1599typedef struct listop LISTOP;
1600typedef struct logop LOGOP;
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1601typedef struct pmop PMOP;
1602typedef struct svop SVOP;
7934575e 1603typedef struct padop PADOP;
79072805 1604typedef struct pvop PVOP;
79072805
LW
1605typedef struct loop LOOP;
1606
93a17b20 1607typedef struct interpreter PerlInterpreter;
d2b3f365
SS
1608
1609/* Amdahl's <ksync.h> has struct sv */
1610/* SGI's <sys/sema.h> has struct sv */
1611#if defined(UTS) || defined(__sgi)
1612# define STRUCT_SV perl_sv
b8d3c5db
JH
1613#else
1614# define STRUCT_SV sv
1615#endif
1616typedef struct STRUCT_SV SV;
79072805
LW
1617typedef struct av AV;
1618typedef struct hv HV;
1619typedef struct cv CV;
378cc40b 1620typedef struct regexp REGEXP;
79072805 1621typedef struct gp GP;
0c30d9ec 1622typedef struct gv GV;
8990e307 1623typedef struct io IO;
c09156bb 1624typedef struct context PERL_CONTEXT;
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LW
1625typedef struct block BLOCK;
1626
1627typedef struct magic MAGIC;
ed6116ce 1628typedef struct xrv XRV;
79072805
LW
1629typedef struct xpv XPV;
1630typedef struct xpviv XPVIV;
ff68c719 1631typedef struct xpvuv XPVUV;
79072805
LW
1632typedef struct xpvnv XPVNV;
1633typedef struct xpvmg XPVMG;
1634typedef struct xpvlv XPVLV;
1635typedef struct xpvav XPVAV;
1636typedef struct xpvhv XPVHV;
1637typedef struct xpvgv XPVGV;
1638typedef struct xpvcv XPVCV;
1639typedef struct xpvbm XPVBM;
1640typedef struct xpvfm XPVFM;
8990e307 1641typedef struct xpvio XPVIO;
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LW
1642typedef struct mgvtbl MGVTBL;
1643typedef union any ANY;
5f7fde29
GS
1644typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1645typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
1646typedef struct clone_params CLONE_PARAMS;
1647
8d063cd8 1648
378cc40b 1649#include "handy.h"
a0d0e21e 1650
6b8eaf93 1651#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
1652# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1653# define USE_64_BIT_RAWIO /* implicit */
1654# endif
4564133c
JH
1655#endif
1656
6b8eaf93
JH
1657/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1658 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1659 * however, because operating systems like to do that themself. */
1660#ifndef FSEEKSIZE
1661# ifdef HAS_FSEEKO
1662# define FSEEKSIZE LSEEKSIZE
1663# else
1664# define FSEEKSIZE LONGSIZE
d460ef45 1665# endif
6b8eaf93
JH
1666#endif
1667
1668#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
1669# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1670# define USE_64_BIT_STDIO /* implicit */
1671# endif
1672#endif
4564133c 1673
09458382 1674#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
1675# ifdef HAS_OFF64_T
1676# undef Off_t
1677# define Off_t off64_t
1678# undef LSEEKSIZE
1679# define LSEEKSIZE 8
5ff3f7a4 1680# endif
d9b3e12d
JH
1681/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1682 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1683 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
1684# if defined(USE_OPEN64)
1685# define open open64
5ff3f7a4 1686# endif
d9b3e12d
JH
1687# if defined(USE_LSEEK64)
1688# define lseek lseek64
6b8eaf93
JH
1689# else
1690# if defined(USE_LLSEEK)
1691# define lseek llseek
1692# endif
d9b3e12d
JH
1693# endif
1694# if defined(USE_STAT64)
1695# define stat stat64
1696# endif
1697# if defined(USE_FSTAT64)
1698# define fstat fstat64
1699# endif
1700# if defined(USE_LSTAT64)
1701# define lstat lstat64
1702# endif
1703# if defined(USE_FLOCK64)
1704# define flock flock64
1705# endif
1706# if defined(USE_LOCKF64)
1707# define lockf lockf64
1708# endif
1709# if defined(USE_FCNTL64)
1710# define fcntl fcntl64
1711# endif
1712# if defined(USE_TRUNCATE64)
1713# define truncate truncate64
1714# endif
1715# if defined(USE_FTRUNCATE64)
1716# define ftruncate ftruncate64
1717# endif
1718#endif
1719
1720#ifdef USE_64_BIT_STDIO
1721# ifdef HAS_FPOS64_T
1722# undef Fpos_t
1723# define Fpos_t fpos64_t
1724# endif
1725/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1726 * will trigger defines like the ones below. Some 64-bit environments,
1727 * however, do not. */
1728# if defined(USE_FOPEN64)
1729# define fopen fopen64
1730# endif
1731# if defined(USE_FSEEK64)
6b8eaf93 1732# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
1733# endif
1734# if defined(USE_FTELL64)
6b8eaf93 1735# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
1736# endif
1737# if defined(USE_FSETPOS64)
1738# define fsetpos fsetpos64
1739# endif
1740# if defined(USE_FGETPOS64)
1741# define fgetpos fgetpos64
1742# endif
1743# if defined(USE_TMPFILE64)
1744# define tmpfile tmpfile64
1745# endif
1746# if defined(USE_FREOPEN64)
1747# define freopen freopen64
5ff3f7a4
GS
1748# endif
1749#endif
1750
af8b425d 1751#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
1752# include "iperlsys.h"
1753#endif
1754
6f71a643 1755#if defined(__OPEN_VM)
19848b3f
JH
1756# include "vmesa/vmesaish.h"
1757# define ISHISH "vmesa"
6f71a643
JH
1758#endif
1759
748a9306 1760#ifdef DOSISH
19848b3f
JH
1761# if defined(OS2)
1762# include "os2ish.h"
1763# else
1764# include "dosish.h"
1765# endif
1766# define ISHISH "dos"
1767#endif
1768
1769#if defined(VMS)
748a9306 1770# include "vmsish.h"
96e176bf 1771# include "embed.h"
19848b3f
JH
1772# define ISHISH "vms"
1773#endif
1774
1775#if defined(PLAN9)
1776# include "./plan9/plan9ish.h"
1777# define ISHISH "plan9"
1778#endif
1779
1780#if defined(MPE)
1781# include "mpeix/mpeixish.h"
1782# define ISHISH "mpeix"
1783#endif
1784
1785#if defined(__VOS__)
1786# include "vosish.h"
1787# define ISHISH "vos"
1788#endif
1789
1790#if defined(EPOC)
1791# include "epocish.h"
1792# define ISHISH "epoc"
1793#endif
1794
1795#if defined(MACOS_TRADITIONAL)
1796# include "macos/macish.h"
1797# ifndef NO_ENVIRON_ARRAY
1798# define NO_ENVIRON_ARRAY
0c30d9ec 1799# endif
19848b3f
JH
1800# define ISHISH "macos classic"
1801#endif
1802
efca5cc6
JH
1803#if defined(__BEOS__)
1804# include "beos/beosish.h"
1805# define ISHISH "beos"
1806#endif
1807
19848b3f
JH
1808#ifndef ISHISH
1809# include "unixish.h"
1810# define ISHISH "unix"
13b6e58c
JH
1811#endif
1812
1813#ifndef NO_ENVIRON_ARRAY
1814# define USE_ENVIRON_ARRAY
1815#endif
32f822de 1816
c77b533b
JH
1817/*
1818 * initialise to avoid floating-point exceptions from overflow, etc
1819 */
1820#ifndef PERL_FPU_INIT
1821# ifdef HAS_FPSETMASK
1822# if HAS_FLOATINGPOINT_H
1823# include <floatingpoint.h>
1824# endif
1825# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1826# else
7014c407
JH
1827# if defined(SIGFPE) && defined(SIG_IGN)
1828# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1829# else
1830# define PERL_FPU_INIT
1831# endif
c77b533b
JH
1832# endif
1833#endif
1834
ed344e4f
IZ
1835#ifndef PERL_SYS_INIT3
1836# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1837#endif
1838
be708cc0
JH
1839#ifndef PERL_WRITE_MSG_TO_CONSOLE
1840# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1841#endif
1842
0f31cffe
GS
1843#ifndef MAXPATHLEN
1844# ifdef PATH_MAX
b990c8b2
JH
1845# ifdef _POSIX_PATH_MAX
1846# if PATH_MAX > _POSIX_PATH_MAX
1847/* MAXPATHLEN is supposed to include the final null character,
1848 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1849# define MAXPATHLEN (PATH_MAX+1)
1850# else
1851# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1852# endif
1853# else
1854# define MAXPATHLEN (PATH_MAX+1)
1855# endif
0f31cffe 1856# else
b990c8b2
JH
1857# ifdef _POSIX_PATH_MAX
1858# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1859# else
1860# define MAXPATHLEN 1024 /* Err on the large side. */
1861# endif
0f31cffe
GS
1862# endif
1863#endif
1864
d460ef45 1865/*
4d1ff10f 1866 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1867 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
1868 * this results in many functions being undeclared which bothers C++
1869 * May make sense to have threads after "*ish.h" anyway
1870 */
1871
4d1ff10f
AB
1872#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
1873# if defined(USE_5005THREADS)
79d59c5f
GS
1874 /* pending resolution of licensing issues, we avoid the erstwhile
1875 * atomic.h everywhere */
1876# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1877# endif
2986a63f
JH
1878# ifdef NETWARE
1879# include <nw5thread.h>
1880# else
32f822de
GS
1881# ifdef FAKE_THREADS
1882# include "fakethr.h"
1883# else
1884# ifdef WIN32
1885# include <win32thread.h>
1886# else
dd96f567
IZ
1887# ifdef OS2
1888# include "os2thread.h"
1889# else
7f3d1cf1 1890# ifdef I_MACH_CTHREADS
bdd66968 1891# include <mach/cthreads.h>
8f1f23e8 1892# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
1893# define MUTEX_INIT_CALLS_MALLOC
1894# endif
7f3d1cf1
BH
1895typedef cthread_t perl_os_thread;
1896typedef mutex_t perl_mutex;
1897typedef condition_t perl_cond;
1898typedef void * perl_key;
1899# else /* Posix threads */
1f5ae88c
JH
1900# ifdef I_PTHREAD
1901# include <pthread.h>
1902# endif
7f3d1cf1
BH
1903typedef pthread_t perl_os_thread;
1904typedef pthread_mutex_t perl_mutex;
1905typedef pthread_cond_t perl_cond;
1906typedef pthread_key_t perl_key;
1907# endif /* I_MACH_CTHREADS */
dd96f567 1908# endif /* OS2 */
32f822de
GS
1909# endif /* WIN32 */
1910# endif /* FAKE_THREADS */
2986a63f 1911#endif /* NETWARE */
4d1ff10f 1912#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 1913
66a93824 1914#if defined(WIN32)
1feb2720 1915# include "win32.h"
c5be433b
GS
1916#endif
1917
2986a63f
JH
1918#ifdef NETWARE
1919# include "netware.h"
1920#endif
1921
68dc0745 1922#ifdef VMS
6b88bc9c 1923# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 1924# define STATUS_NATIVE_EXPORT \
d98f61e7 1925 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 1926# define STATUS_NATIVE_SET(n) \
1927 STMT_START { \
6b88bc9c
GS
1928 PL_statusvalue_vms = (n); \
1929 if ((I32)PL_statusvalue_vms == -1) \
3280af22 1930 PL_statusvalue = -1; \
6b88bc9c 1931 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 1932 PL_statusvalue = 0; \
6b88bc9c
GS
1933 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
1934 PL_statusvalue = 1 << 8; \
68dc0745 1935 else \
6b88bc9c 1936 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 1937 } STMT_END
3280af22 1938# define STATUS_POSIX PL_statusvalue
68dc0745 1939# ifdef VMSISH_STATUS
1940# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1941# else
1942# define STATUS_CURRENT STATUS_POSIX
1943# endif
1944# define STATUS_POSIX_SET(n) \
1945 STMT_START { \
3280af22
NIS
1946 PL_statusvalue = (n); \
1947 if (PL_statusvalue != -1) { \
1948 PL_statusvalue &= 0xFFFF; \
6b88bc9c 1949 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 1950 } \
6b88bc9c 1951 else PL_statusvalue_vms = -1; \
68dc0745 1952 } STMT_END
6b88bc9c
GS
1953# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
1954# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 1955#else
1956# define STATUS_NATIVE STATUS_POSIX
1957# define STATUS_NATIVE_EXPORT STATUS_POSIX
1958# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 1959# define STATUS_POSIX PL_statusvalue
68dc0745 1960# define STATUS_POSIX_SET(n) \
1961 STMT_START { \
3280af22
NIS
1962 PL_statusvalue = (n); \
1963 if (PL_statusvalue != -1) \
1964 PL_statusvalue &= 0xFFFF; \
68dc0745 1965 } STMT_END
1966# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS
1967# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
1968# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 1969#endif
1970
cc3604b1
GS
1971/* flags in PL_exit_flags for nature of exit() */
1972#define PERL_EXIT_EXPECTED 0x01
31d77e54 1973#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 1974
0b94c7bb 1975#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
1976# define MEMBER_TO_FPTR(name) name
1977#endif
1978
1979/* format to use for version numbers in file/directory names */
273cf8d1 1980/* XXX move to Configure? */
a7cb1f99 1981#ifndef PERL_FS_VER_FMT
273cf8d1 1982# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
1983#endif
1984
45bc9206 1985/* This defines a way to flush all output buffers. This may be a
76549fef
JH
1986 * performance issue, so we allow people to disable it. Also, if
1987 * we are using stdio, there are broken implementations of fflush(NULL)
1988 * out there, Solaris being the most prominent.
45bc9206
GS
1989 */
1990#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 1991# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 1992# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
1993# else
1994# ifdef FFLUSH_ALL
1995# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 1996# else
c5be433b 1997# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 1998# endif
66fe083f 1999# endif
45bc9206
GS
2000#endif
2001
7766f137
GS
2002#ifndef PERL_WAIT_FOR_CHILDREN
2003# define PERL_WAIT_FOR_CHILDREN NOOP
2004#endif
2005
ba869deb 2006/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2007#ifndef PERL_SET_INTERP
2008# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2009#endif
2010
2011#ifndef PERL_GET_INTERP
2012# define PERL_GET_INTERP (PL_curinterp)
2013#endif
2014
54aff467 2015#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 2016# ifdef USE_5005THREADS
ba869deb 2017# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS
2018# else
2019# ifdef MULTIPLICITY
ba869deb 2020# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS
2021# endif
2022# endif
ba869deb
GS
2023# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2024#endif
2025
894356b3
GS
2026#ifndef SVf
2027# ifdef CHECK_FORMAT
2028# define SVf "p"
2029# else
2030# define SVf "_"
d460ef45 2031# endif
894356b3
GS
2032#endif
2033
d2560b70
RB
2034#ifndef UVf
2035# ifdef CHECK_FORMAT
2036# define UVf UVuf
2037# else
2038# define UVf "Vu"
d460ef45 2039# endif
d2560b70
RB
2040#endif
2041
2042#ifndef VDf
2043# ifdef CHECK_FORMAT
2044# define VDf "p"
2045# else
2046# define VDf "vd"
d460ef45 2047# endif
d2560b70
RB
2048#endif
2049
b3fe4827
RB
2050#ifndef Nullformat
2051# ifdef CHECK_FORMAT
2052# define Nullformat "%s",""
2053# else
2054# define Nullformat Nullch
2055# endif
2056#endif
2057
3fc1aec6 2058/* Some unistd.h's give a prototype for pause() even though
2059 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2060 below to be rejected by the compiler. Sigh.
3fc1aec6 2061*/
2062#ifdef HAS_PAUSE
2063#define Pause pause
2064#else
2065#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2066#endif
2067
2068#ifndef IOCPARM_LEN
2069# ifdef IOCPARM_MASK
2070 /* on BSDish systes we're safe */
2071# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2072# else
2073 /* otherwise guess at what's safe */
2074# define IOCPARM_LEN(x) 256
2075# endif
a0d0e21e
LW
2076#endif
2077
1761cee5 2078#if defined(__CYGWIN__)
521e0776
GS
2079/* USEMYBINMODE
2080 * This symbol, if defined, indicates that the program should
16fe6d59 2081 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2082 * that a file is in "binary" mode -- that is, that no translation
2083 * of bytes occurs on read or write operations.
2084 */
2085# define USEMYBINMODE / **/
16fe6d59
GS
2086# define my_binmode(fp, iotype, mode) \
2087 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2088#endif
2089
cea2e8a9
GS
2090#ifdef UNION_ANY_DEFINITION
2091UNION_ANY_DEFINITION;
2092#else
2093union any {
2094 void* any_ptr;
2095 I32 any_i32;
2096 IV any_iv;
2097 long any_long;
c76ac1ee 2098 void (*any_dptr) (void*);
acfe0abc 2099 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2100};
2101#endif
2102
4d1ff10f 2103#ifdef USE_5005THREADS
cea2e8a9
GS
2104#define ARGSproto struct perl_thread *thr
2105#else
2106#define ARGSproto
4d1ff10f 2107#endif /* USE_5005THREADS */
cea2e8a9 2108
acfe0abc 2109typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2110
2111#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2112#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2113#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2114
af8b425d 2115#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2116# include "iperlsys.h"
2117#endif
378cc40b 2118#include "regexp.h"
79072805 2119#include "sv.h"
378cc40b 2120#include "util.h"
8d063cd8 2121#include "form.h"
79072805
LW
2122#include "gv.h"
2123#include "cv.h"
abdd5c84 2124#include "opnames.h"
79072805
LW
2125#include "op.h"
2126#include "cop.h"
2127#include "av.h"
2128#include "hv.h"
2129#include "mg.h"
2130#include "scope.h"
4438c4b7 2131#include "warnings.h"
a0ed51b3 2132#include "utf8.h"
cd1ee231 2133#include "sharedsv.h"
8d063cd8 2134
7fae4e64
GS
2135/* Current curly descriptor */
2136typedef struct curcur CURCUR;
2137struct curcur {
2138 int parenfloor; /* how far back to strip paren data */
2139 int cur; /* how many instances of scan we've matched */
2140 int min; /* the minimal number of scans to match */
2141 int max; /* the maximal number of scans to match */
2142 int minmod; /* whether to work our way up or down */
2143 regnode * scan; /* the thing to match */
2144 regnode * next; /* what has to match after it */
2145 char * lastloc; /* where we started matching this scan */
2146 CURCUR * oldcc; /* current curly before we started this one */
2147};
2148
2149typedef struct _sublex_info SUBLEXINFO;
2150struct _sublex_info {
2151 I32 super_state; /* lexer state to save */
2152 I32 sub_inwhat; /* "lex_inwhat" to use */
2153 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2154 char *super_bufptr; /* PL_bufptr that was */
2155 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2156};
2157
455ece5e 2158typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2159
2c2d71f5 2160struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2161struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2162
2163typedef I32 CHECKPOINT;
76e3520e 2164
5f7fde29
GS
2165struct ptr_tbl_ent {
2166 struct ptr_tbl_ent* next;
2167 void* oldval;
2168 void* newval;
d18c6117
GS
2169};
2170
5f7fde29
GS
2171struct ptr_tbl {
2172 struct ptr_tbl_ent** tbl_ary;
2173 UV tbl_max;
2174 UV tbl_items;
d18c6117
GS
2175};
2176
450a55e4 2177#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2178# define I286
2179#endif
2180
fe14fcc3
LW
2181#if defined(htonl) && !defined(HAS_HTONL)
2182#define HAS_HTONL
ae986130 2183#endif
fe14fcc3
LW
2184#if defined(htons) && !defined(HAS_HTONS)
2185#define HAS_HTONS
ae986130 2186#endif
fe14fcc3
LW
2187#if defined(ntohl) && !defined(HAS_NTOHL)
2188#define HAS_NTOHL
ae986130 2189#endif
fe14fcc3
LW
2190#if defined(ntohs) && !defined(HAS_NTOHS)
2191#define HAS_NTOHS
ae986130 2192#endif
fe14fcc3 2193#ifndef HAS_HTONL
d9d8d8de 2194#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2195#define HAS_HTONS
2196#define HAS_HTONL
2197#define HAS_NTOHS
2198#define HAS_NTOHL
a687059c
LW
2199#define MYSWAP
2200#define htons my_swap
2201#define htonl my_htonl
2202#define ntohs my_swap
2203#define ntohl my_ntohl
2204#endif
2205#else
d9d8d8de 2206#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2207#undef HAS_HTONS
2208#undef HAS_HTONL
2209#undef HAS_NTOHS
2210#undef HAS_NTOHL
a687059c
LW
2211#endif
2212#endif
2213
988174c1
LW
2214/*
2215 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2216 * -DWS
2217 */
2218#if BYTEORDER != 0x1234
2219# define HAS_VTOHL
2220# define HAS_VTOHS
2221# define HAS_HTOVL
2222# define HAS_HTOVS
c67712b2 2223# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2224# define vtohl(x) ((((x)&0xFF)<<24) \
2225 +(((x)>>24)&0xFF) \
2226 +(((x)&0x0000FF00)<<8) \
2227 +(((x)&0x00FF0000)>>8) )
2228# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2229# define htovl(x) vtohl(x)
2230# define htovs(x) vtohs(x)
2231# endif
2232 /* otherwise default to functions in util.c */
2233#endif
2234
3bb7c1b4
JH
2235/* *MAX Plus 1. A floating point value.
2236 Hopefully expressed in a way that dodgy floating point can't mess up.
2237 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2238 is added to it
2239 May find that some broken compiler will want the value cast to I32.
2240 [after the shift, as signed >> may not be as secure as unsigned >>]
2241*/
2242#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2243#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2244/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2245 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2246 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2247*/
2248#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2249
3bb7c1b4
JH
2250#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2251#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2252#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2253
2254/* This may look like unnecessary jumping through hoops, but converting
2255 out of range floating point values to integers *is* undefined behaviour,
2256 and it is starting to bite.
2257*/
2258#ifndef CAST_INLINE
65202027 2259#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2260#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
2261#define I_V(what) (cast_iv((NV)(what)))
2262#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
2263#else
2264#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2265 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2266 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2267#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2268 : ((n) < U32_MAX_P1 ? (U32) (n) \
2269 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2270#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2271 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2272 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2273#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2274 : ((n) < UV_MAX_P1 ? (UV) (n) \
2275 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2276#endif
2277
2278#define U_S(what) ((U16)U_32(what))
2279#define U_I(what) ((unsigned int)U_32(what))
2280#define U_L(what) U_32(what)
ed6116ce 2281
2d4389e4
JH
2282/* These do not care about the fractional part, only about the range. */
2283#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2284#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2285
25da4f38
IZ
2286/* Used with UV/IV arguments: */
2287 /* XXXX: need to speed it up */
2288#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2289#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2290
352d5a3a
LW
2291#ifndef MAXSYSFD
2292# define MAXSYSFD 2
2293#endif
ee0007ab 2294
79072805 2295#ifndef __cplusplus
e1caacb4 2296#ifndef UNDER_CE
20ce7b12
GS
2297Uid_t getuid (void);
2298Uid_t geteuid (void);
2299Gid_t getgid (void);
2300Gid_t getegid (void);
79072805 2301#endif
e1caacb4 2302#endif
8d063cd8 2303
0c30d9ec 2304#ifndef Perl_debug_log
bf49b057
GS
2305# define Perl_debug_log PerlIO_stderr()
2306#endif
2307
2308#ifndef Perl_error_log
2309# define Perl_error_log (PL_stderrgv \
01bb7c6d 2310 && GvIOp(PL_stderrgv) \
42de951c 2311 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
2312 ? IoOFP(GvIOp(PL_stderrgv)) \
2313 : PerlIO_stderr())
0c30d9ec 2314#endif
3967c732 2315
aea4f609
DM
2316
2317#define DEBUG_p_FLAG 0x00000001 /* 1 */
2318#define DEBUG_s_FLAG 0x00000002 /* 2 */
2319#define DEBUG_l_FLAG 0x00000004 /* 4 */
2320#define DEBUG_t_FLAG 0x00000008 /* 8 */
2321#define DEBUG_o_FLAG 0x00000010 /* 16 */
2322#define DEBUG_c_FLAG 0x00000020 /* 32 */
2323#define DEBUG_P_FLAG 0x00000040 /* 64 */
2324#define DEBUG_m_FLAG 0x00000080 /* 128 */
2325#define DEBUG_f_FLAG 0x00000100 /* 256 */
2326#define DEBUG_r_FLAG 0x00000200 /* 512 */
2327#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2328#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2329#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2330#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2331#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2332#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2333#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2334#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8
DM
2335#define DEBUG_R_FLAG 0x00040000 /* 262144 */
2336#define DEBUG_MASK 0x0007FFFF /* mask of all the standard flags */
aea4f609
DM
2337
2338#define DEBUG_DB_RECURSE_FLAG 0x40000000
2339#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? */
2340
2341
bd16a5f0
IZ
2342# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2343# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2344# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2345# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2346# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2347# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2348# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2349# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2350# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2351# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2352# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2353# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
2354# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
2355# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2356# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2357# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2358# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2359# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2360# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
2361
3967c732 2362#ifdef DEBUGGING
aea4f609
DM
2363
2364# undef YYDEBUG
2365# define YYDEBUG 1
2366
bd16a5f0
IZ
2367# define DEBUG_p_TEST DEBUG_p_TEST_
2368# define DEBUG_s_TEST DEBUG_s_TEST_
2369# define DEBUG_l_TEST DEBUG_l_TEST_
2370# define DEBUG_t_TEST DEBUG_t_TEST_
2371# define DEBUG_o_TEST DEBUG_o_TEST_
2372# define DEBUG_c_TEST DEBUG_c_TEST_
2373# define DEBUG_P_TEST DEBUG_P_TEST_
2374# define DEBUG_m_TEST DEBUG_m_TEST_
2375# define DEBUG_f_TEST DEBUG_f_TEST_
2376# define DEBUG_r_TEST DEBUG_r_TEST_
2377# define DEBUG_x_TEST DEBUG_x_TEST_
2378# define DEBUG_u_TEST DEBUG_u_TEST_
2379# define DEBUG_L_TEST DEBUG_L_TEST_
2380# define DEBUG_H_TEST DEBUG_H_TEST_
2381# define DEBUG_X_TEST DEBUG_X_TEST_
2382# define DEBUG_D_TEST DEBUG_D_TEST_
2383# define DEBUG_S_TEST DEBUG_S_TEST_
2384# define DEBUG_T_TEST DEBUG_T_TEST_
2385# define DEBUG_R_TEST DEBUG_R_TEST_
aea4f609
DM
2386
2387# define DEB(a) a
2388# define DEBUG(a) if (PL_debug) a
2389# define DEBUG_p(a) if (DEBUG_p_TEST) a
2390# define DEBUG_s(a) if (DEBUG_s_TEST) a
2391# define DEBUG_l(a) if (DEBUG_l_TEST) a
2392# define DEBUG_t(a) if (DEBUG_t_TEST) a
2393# define DEBUG_o(a) if (DEBUG_o_TEST) a
2394# define DEBUG_c(a) if (DEBUG_c_TEST) a
2395# define DEBUG_P(a) if (DEBUG_P_TEST) a
2396
969058bb
VK
2397 /* Temporarily turn off memory debugging in case the a
2398 * does memory allocation, either directly or indirectly. */
acfe0abc 2399# define DEBUG_m(a) \
0b250b9e 2400 STMT_START { \
aea4f609 2401 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2402 } STMT_END
aea4f609 2403
5f80b19c
AMS
2404# define DEBUG__(t, a) \
2405 STMT_START { \
2406 if (t) STMT_START {a;} STMT_END; \
2407 } STMT_END
2408
2409# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2410# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2411# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2412# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2413# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2414# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2415# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2416# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2417
4d1ff10f 2418# ifdef USE_5005THREADS
5f80b19c 2419# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ
2420# else
2421# define DEBUG_S(a)
2422# endif
aea4f609 2423
5f80b19c
AMS
2424# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2425# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
aea4f609
DM
2426
2427#else /* DEBUGGING */
2428
2429# define DEBUG_p_TEST (0)
2430# define DEBUG_s_TEST (0)
2431# define DEBUG_l_TEST (0)
2432# define DEBUG_t_TEST (0)
2433# define DEBUG_o_TEST (0)
2434# define DEBUG_c_TEST (0)
2435# define DEBUG_P_TEST (0)
2436# define DEBUG_m_TEST (0)
2437# define DEBUG_f_TEST (0)
2438# define DEBUG_r_TEST (0)
2439# define DEBUG_x_TEST (0)
2440# define DEBUG_u_TEST (0)
2441# define DEBUG_L_TEST (0)
2442# define DEBUG_H_TEST (0)
2443# define DEBUG_X_TEST (0)
2444# define DEBUG_D_TEST (0)
2445# define DEBUG_S_TEST (0)
2446# define DEBUG_T_TEST (0)
04932ac8 2447# define DEBUG_R_TEST (0)
aea4f609
DM
2448
2449# define DEB(a)
2450# define DEBUG(a)
2451# define DEBUG_p(a)
2452# define DEBUG_s(a)
2453# define DEBUG_l(a)
2454# define DEBUG_t(a)
2455# define DEBUG_o(a)
2456# define DEBUG_c(a)
2457# define DEBUG_P(a)
2458# define DEBUG_m(a)
2459# define DEBUG_f(a)
2460# define DEBUG_r(a)
2461# define DEBUG_x(a)
2462# define DEBUG_u(a)
2463# define DEBUG_L(a)
2464# define DEBUG_H(a)
2465# define DEBUG_X(a)
2466# define DEBUG_D(a)
2467# define DEBUG_S(a)
2468# define DEBUG_T(a)
04932ac8 2469# define DEBUG_R(a)
aea4f609
DM
2470#endif /* DEBUGGING */
2471
2472
d1be9408 2473/* These constants should be used in preference to raw characters
14befaf4
DM
2474 * when using magic. Note that some perl guts still assume
2475 * certain character properties of these constants, namely that
2476 * isUPPER() and toLOWER() may do useful mappings.
2477 *
2478 * Update the magic_names table in dump.c when adding/amending these
2479 */
2480
2481#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2482#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2483#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2484#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2485#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2486#define PERL_MAGIC_regdata 'D' /* Regex match position data
2487 (@+ and @- vars) */
2488#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2489#define PERL_MAGIC_env 'E' /* %ENV hash */
2490#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2491#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2492#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2493#define PERL_MAGIC_isa 'I' /* @ISA array */
2494#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2495#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2496#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2497#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
2498#define PERL_MAGIC_mutex 'm' /* ??? */
2499#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2500#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2501#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2502#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2503#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2504#define PERL_MAGIC_sig 'S' /* %SIG hash */
2505#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2506#define PERL_MAGIC_taint 't' /* Taintedness */
2507#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
2508#define PERL_MAGIC_vec 'v' /* vec() lvalue */
2509#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2510#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2511 smart parameter vivification */
2512#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2513#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2514#define PERL_MAGIC_pos '.' /* pos() lvalue */
2515#define PERL_MAGIC_backref '<' /* ??? */
2516#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2517
2518
fe14fcc3 2519#define YYMAXDEPTH 300
8d063cd8 2520
a6e633de 2521#ifndef assert /* <assert.h> might have been included somehow */
79072805
LW
2522#define assert(what) DEB( { \
2523 if (!(what)) { \
cea2e8a9 2524 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2525 __FILE__, __LINE__); \
cea2e8a9 2526 PerlProc_exit(1); \
79072805 2527 }})
a6e633de 2528#endif
8d063cd8 2529
450a55e4 2530struct ufuncs {
24f81a43
DM
2531 I32 (*uf_val)(pTHX_ IV, SV*);
2532 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2533 IV uf_index;
450a55e4
LW
2534};
2535
14befaf4 2536/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
2537 * XS code wanting to be backward compatible can do something
2538 * like the following:
c745e42c 2539
24f81a43 2540#ifndef PERL_MG_UFUNC
24f81a43
DM
2541#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2542#endif
2543
2544static PERL_MG_UFUNC(foo_get, index, val)
2545{
2546 sv_setsv(val, ...);
2547 return TRUE;
2548}
2549
2550-- Doug MacEachern
2551
2552*/
2553
fc9c74e6 2554#ifndef PERL_MG_UFUNC
24f81a43 2555#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2556#endif
24f81a43 2557
fe14fcc3 2558/* Fix these up for __STDC__ */
68dc0745 2559#ifndef DONT_DECLARE_STD
20ce7b12 2560char *mktemp (char*);
37bd1396 2561#ifndef atof
20ce7b12 2562double atof (const char*);
a0d0e21e 2563#endif
37bd1396 2564#endif
79072805 2565
352d5a3a 2566#ifndef STANDARD_C
fe14fcc3 2567/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2568Time_t time();
8d063cd8 2569struct tm *gmtime(), *localtime();
092bebab 2570#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
2571char *(strchr)(), *(strrchr)();
2572char *(strcpy)(), *(strcat)();
2573#else
93a17b20 2574char *strchr(), *strrchr();
378cc40b 2575char *strcpy(), *strcat();
9d116dd7 2576#endif
352d5a3a 2577#endif /* ! STANDARD_C */
8d063cd8 2578
79072805
LW
2579
2580#ifdef I_MATH
2581# include <math.h>
2582#else
32f822de 2583START_EXTERN_C
20ce7b12
GS
2584 double exp (double);
2585 double log (double);
2586 double log10 (double);
2587 double sqrt (double);
2588 double frexp (double,int*);
2589 double ldexp (double,int);
2590 double modf (double,double*);
2591 double sin (double);
2592 double cos (double);
2593 double atan2 (double,double);
2594 double pow (double,double);
32f822de 2595END_EXTERN_C
79072805
LW
2596#endif
2597
aa8b85de
JH
2598#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2599# define NV_INF LDBL_INFINITY
2600#endif
2601#if !defined(NV_INF) && defined(DBL_INFINITY)
2602# define NV_INF (NV)DBL_INFINITY
2603#endif
2604#if !defined(NV_INF) && defined(INFINITY)
2605# define NV_INF (NV)INFINITY
2606#endif
2607#if !defined(NV_INF) && defined(INF)
2608# define NV_INF (NV)INF
2609#endif
2610#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2611# define NV_INF (NV)HUGE_VALL
2612#endif
2613#if !defined(NV_INF) && defined(HUGE_VAL)
2614# define NV_INF (NV)HUGE_VAL
2615#endif
2616
2617#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2618# if !defined(NV_NAN) && defined(LDBL_NAN)
2619# define NV_NAN LDBL_NAN
2620# endif
2621# if !defined(NV_NAN) && defined(LDBL_QNAN)
2622# define NV_NAN LDBL_QNAN
2623# endif
2624# if !defined(NV_NAN) && defined(LDBL_SNAN)
2625# define NV_NAN LDBL_SNAN
2626# endif
2627#endif
2628#if !defined(NV_NAN) && defined(DBL_NAN)
2629# define NV_NAN (NV)DBL_NAN
2630#endif
2631#if !defined(NV_NAN) && defined(DBL_QNAN)
2632# define NV_NAN (NV)DBL_QNAN
2633#endif
2634#if !defined(NV_NAN) && defined(DBL_SNAN)
2635# define NV_NAN (NV)DBL_SNAN
2636#endif
2637#if !defined(NV_NAN) && defined(QNAN)
2638# define NV_NAN (NV)QNAN
2639#endif
2640#if !defined(NV_NAN) && defined(SNAN)
2641# define NV_NAN (NV)SNAN
2642#endif
2643#if !defined(NV_NAN) && defined(NAN)
2644# define NV_NAN (NV)NAN
2645#endif
2646
a0d0e21e 2647#ifndef __cplusplus
8f1f23e8 2648# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2649char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2650# else
fd8cd3a3 2651# if !defined(WIN32) && !defined(VMS)
20ce7b12 2652char *crypt (const char*, const char*);
5014db98 2653# endif /* !WIN32 */
8f1f23e8 2654# endif /* !NeXT && !__NeXT__ */
26618a56
GS
2655# ifndef DONT_DECLARE_STD
2656# ifndef getenv
20ce7b12 2657char *getenv (const char*);
26618a56 2658# endif /* !getenv */
28ca6303 2659# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2660# ifdef _FILE_OFFSET_BITS
28ca6303 2661# if _FILE_OFFSET_BITS == 64
20ce7b12 2662Off_t lseek (int,Off_t,int);
0fc67700
JH
2663# endif
2664# endif
bf0c440f 2665# endif
26618a56 2666# endif /* !DONT_DECLARE_STD */
20ce7b12 2667char *getlogin (void);
26618a56 2668#endif /* !__cplusplus */
79072805 2669
16d20bd9 2670#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2671#define UNLINK unlnk
20ce7b12 2672I32 unlnk (char*);
8d063cd8 2673#else
80252599 2674#define UNLINK PerlLIO_unlink
8d063cd8 2675#endif
a687059c 2676
fa0a29af
JH
2677/* some versions of glibc are missing the setresuid() proto */
2678#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
2679int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2680#endif
fa0a29af
JH
2681/* some versions of glibc are missing the setresgid() proto */
2682#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
2683int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2684#endif
2685
fe14fcc3 2686#ifndef HAS_SETREUID
85e6fe83
LW
2687# ifdef HAS_SETRESUID
2688# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2689# define HAS_SETREUID
2690# endif
a687059c 2691#endif
fe14fcc3 2692#ifndef HAS_SETREGID
85e6fe83
LW
2693# ifdef HAS_SETRESGID
2694# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2695# define HAS_SETREGID
2696# endif
a687059c 2697#endif
ee0007ab 2698
d543acb6 2699/* Sighandler_t defined in iperlsys.h */
ff68c719 2700
2701#ifdef HAS_SIGACTION
2702typedef struct sigaction Sigsave_t;
2703#else
2704typedef Sighandler_t Sigsave_t;
2705#endif
2706
ee0007ab
LW
2707#define SCAN_DEF 0
2708#define SCAN_TR 1
2709#define SCAN_REPL 2
79072805
LW
2710
2711#ifdef DEBUGGING
4633a7c4 2712# ifndef register
a0d0e21e
LW
2713# define register
2714# endif
2715# define PAD_SV(po) pad_sv(po)
cea2e8a9 2716# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2717#else
6b88bc9c 2718# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2719# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
2720#endif
2721
18f739ee 2722#ifdef MYMALLOC
772fe5b3 2723# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
2724# define MALLOC_INIT \
2725 STMT_START { \
2726 PL_malloc_mutex = NULL; \
2727 MUTEX_INIT(&PL_malloc_mutex); \
2728 } STMT_END
2729# define MALLOC_TERM \
2730 STMT_START { \
2731 perl_mutex tmp = PL_malloc_mutex; \
2732 PL_malloc_mutex = NULL; \
2733 MUTEX_DESTROY(&tmp); \
2734 } STMT_END
2735# else
2736# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2737# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2738# endif
18f739ee
IZ
2739#else
2740# define MALLOC_INIT
2741# define MALLOC_TERM
2742#endif
2743
b6d9d515 2744
0cb96387
GS
2745typedef int (CPERLscope(*runops_proc_t)) (pTHX);
2746typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2747
940cb80d 2748/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2749#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2750
8f1f23e8
W
2751/* NeXT has problems with crt0.o globals */
2752#if defined(__DYNAMIC__) && \
2753 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2754# if defined(NeXT) || defined(__NeXT)
2755# include <mach-o/dyld.h>
2756# define environ (*environ_pointer)
0c30d9ec 2757EXT char *** environ_pointer;
8f1f23e8 2758# else
82cabb9e 2759# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W
2760# include <crt_externs.h> /* for the env array */
2761# define environ (*_NSGetEnviron())
2762# endif
0c30d9ec 2763# endif
8f1f23e8
W
2764#else
2765 /* VMS and some other platforms don't use the environ array */
13b6e58c 2766# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
2767# if !defined(DONT_DECLARE_STD) || \
2768 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2769 defined(__sgi) || \
d460ef45 2770 defined(__DGUX)
8f1f23e8 2771extern char ** environ; /* environment variables supplied via exec */
a6c40364 2772# endif
8f1f23e8
W
2773# endif
2774#endif
79072805 2775
73c4f7a1
GS
2776START_EXTERN_C
2777
79072805 2778/* handy constants */
22c35a8c 2779EXTCONST char PL_warn_uninit[]
b89fed5f 2780 INIT("Use of uninitialized value%s%s");
22c35a8c 2781EXTCONST char PL_warn_nosemi[]
463ee0b2 2782 INIT("Semicolon seems to be missing");
22c35a8c 2783EXTCONST char PL_warn_reserved[]
463ee0b2 2784 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2785EXTCONST char PL_warn_nl[]
93a17b20 2786 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2787EXTCONST char PL_no_wrongref[]
a0d0e21e 2788 INIT("Can't use %s ref as %s ref");
22c35a8c 2789EXTCONST char PL_no_symref[]
748a9306 2790 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2791EXTCONST char PL_no_usym[]
8990e307 2792 INIT("Can't use an undefined value as %s reference");
22c35a8c 2793EXTCONST char PL_no_aelem[]
93a17b20 2794 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2795EXTCONST char PL_no_helem[]
93a17b20 2796 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2797EXTCONST char PL_no_modify[]
93a17b20 2798 INIT("Modification of a read-only value attempted");
22c35a8c 2799EXTCONST char PL_no_mem[]
93a17b20 2800 INIT("Out of memory!\n");
22c35a8c 2801EXTCONST char PL_no_security[]
463ee0b2 2802 INIT("Insecure dependency in %s%s");
22c35a8c 2803EXTCONST char PL_no_sock_func[]
93a17b20 2804 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2805EXTCONST char PL_no_dir_func[]
93a17b20 2806 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2807EXTCONST char PL_no_func[]
93a17b20 2808 INIT("The %s function is unimplemented");
22c35a8c 2809EXTCONST char PL_no_myglob[]
748a9306 2810 INIT("\"my\" variable %s can't be in a package");
93a17b20 2811
7575fa06 2812EXTCONST char PL_uuemap[65]
80252599
GS
2813 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2814
2815
79072805 2816#ifdef DOINIT
22c35a8c
GS
2817EXT char *PL_sig_name[] = { SIG_NAME };
2818EXT int PL_sig_num[] = { SIG_NUM };
79072805 2819#else
22c35a8c
GS
2820EXT char *PL_sig_name[];
2821EXT int PL_sig_num[];
79072805
LW
2822#endif
2823
3bd709b1 2824/* fast conversion and case folding tables */
bbce6d69 2825
79072805 2826#ifdef DOINIT
9d116dd7 2827#ifdef EBCDIC
22c35a8c 2828EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
2829 0, 1, 2, 3, 4, 5, 6, 7,
2830 8, 9, 10, 11, 12, 13, 14, 15,
2831 16, 17, 18, 19, 20, 21, 22, 23,
2832 24, 25, 26, 27, 28, 29, 30, 31,
2833 32, 33, 34, 35, 36, 37, 38, 39,
2834 40, 41, 42, 43, 44, 45, 46, 47,
2835 48, 49, 50, 51, 52, 53, 54, 55,
2836 56, 57, 58, 59, 60, 61, 62, 63,
2837 64, 65, 66, 67, 68, 69, 70, 71,
2838 72, 73, 74, 75, 76, 77, 78, 79,
2839 80, 81, 82, 83, 84, 85, 86, 87,
2840 88, 89, 90, 91, 92, 93, 94, 95,
2841 96, 97, 98, 99, 100, 101, 102, 103,
2842 104, 105, 106, 107, 108, 109, 110, 111,
2843 112, 113, 114, 115, 116, 117, 118, 119,
2844 120, 121, 122, 123, 124, 125, 126, 127,
2845 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2846 'H', 'I', 138, 139, 140, 141, 142, 143,
2847 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2848 'Q', 'R', 154, 155, 156, 157, 158, 159,
2849 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2850 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2851 176, 177, 178, 179, 180, 181, 182, 183,
2852 184, 185, 186, 187, 188, 189, 190, 191,
2853 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2854 'h', 'i', 202, 203, 204, 205, 206, 207,
2855 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2856 'q', 'r', 218, 219, 220, 221, 222, 223,
2857 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2858 'y', 'z', 234, 235, 236, 237, 238, 239,
2859 240, 241, 242, 243, 244, 245, 246, 247,
2860 248, 249, 250, 251, 252, 253, 254, 255
2861};
2862#else /* ascii rather than ebcdic */
22c35a8c 2863EXTCONST unsigned char PL_fold[] = {
79072805
LW
2864 0, 1, 2, 3, 4, 5, 6, 7,
2865 8, 9, 10, 11, 12, 13, 14, 15,
2866 16, 17, 18, 19, 20, 21, 22, 23,
2867 24, 25, 26, 27, 28, 29, 30, 31,
2868 32, 33, 34, 35, 36, 37, 38, 39,
2869 40, 41, 42, 43, 44, 45, 46, 47,
2870 48, 49, 50, 51, 52, 53, 54, 55,
2871 56, 57, 58, 59, 60, 61, 62, 63,
2872 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2873 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2874 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2875 'x', 'y', 'z', 91, 92, 93, 94, 95,
2876 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2877 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2878 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2879 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2880 128, 129, 130, 131, 132, 133, 134, 135,
2881 136, 137, 138, 139, 140, 141, 142, 143,
2882 144, 145, 146, 147, 148, 149, 150, 151,
2883 152, 153, 154, 155, 156, 157, 158, 159,
2884 160, 161, 162, 163, 164, 165, 166, 167,
2885 168, 169, 170, 171, 172, 173, 174, 175,
2886 176, 177, 178, 179, 180, 181, 182, 183,
2887 184, 185, 186, 187, 188, 189, 190, 191,
2888 192, 193, 194, 195, 196, 197, 198, 199,
2889 200, 201, 202, 203, 204, 205, 206, 207,
2890 208, 209, 210, 211, 212, 213, 214, 215,
2891 216, 217, 218, 219, 220, 221, 222, 223,
2892 224, 225, 226, 227, 228, 229, 230, 231,
2893 232, 233, 234, 235, 236, 237, 238, 239,
2894 240, 241, 242, 243, 244, 245, 246, 247,
2895 248, 249, 250, 251, 252, 253, 254, 255
2896};
9d116dd7 2897#endif /* !EBCDIC */
79072805 2898#else
22c35a8c 2899EXTCONST unsigned char PL_fold[];
79072805
LW
2900#endif
2901
2902#ifdef DOINIT
22c35a8c 2903EXT unsigned char PL_fold_locale[] = {
79072805
LW
2904 0, 1, 2, 3, 4, 5, 6, 7,
2905 8, 9, 10, 11, 12, 13, 14, 15,
2906 16, 17, 18, 19, 20, 21, 22, 23,
2907 24, 25, 26, 27, 28, 29, 30, 31,
2908 32, 33, 34, 35, 36, 37, 38, 39,
2909 40, 41, 42, 43, 44, 45, 46, 47,
2910 48, 49, 50, 51, 52, 53, 54, 55,
2911 56, 57, 58, 59, 60, 61, 62, 63,
2912 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2913 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2914 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2915 'x', 'y', 'z', 91, 92, 93, 94, 95,
2916 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2917 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2918 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2919 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2920 128, 129, 130, 131, 132, 133, 134, 135,
2921 136, 137, 138, 139, 140, 141, 142, 143,
2922 144, 145, 146, 147, 148, 149, 150, 151,
2923 152, 153, 154, 155, 156, 157, 158, 159,
2924 160, 161, 162, 163, 164, 165, 166, 167,
2925 168, 169, 170, 171, 172, 173, 174, 175,
2926 176, 177, 178, 179, 180, 181, 182, 183,
2927 184, 185, 186, 187, 188, 189, 190, 191,
2928 192, 193, 194, 195, 196, 197, 198, 199,
2929 200, 201, 202, 203, 204, 205, 206, 207,
2930 208, 209, 210, 211, 212, 213, 214, 215,
2931 216, 217, 218, 219, 220, 221, 222, 223,
2932 224, 225, 226, 227, 228, 229, 230, 231,
2933 232, 233, 234, 235, 236, 237, 238, 239,
2934 240, 241, 242, 243, 244, 245, 246, 247,
2935 248, 249, 250, 251, 252, 253, 254, 255
2936};
2937#else
22c35a8c 2938EXT unsigned char PL_fold_locale[];
79072805
LW
2939#endif
2940
2941#ifdef DOINIT
9d116dd7 2942#ifdef EBCDIC
22c35a8c 2943EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
2944 1, 2, 84, 151, 154, 155, 156, 157,
2945 165, 246, 250, 3, 158, 7, 18, 29,
2946 40, 51, 62, 73, 85, 96, 107, 118,
2947 129, 140, 147, 148, 149, 150, 152, 153,
2948 255, 6, 8, 9, 10, 11, 12, 13,
2949 14, 15, 24, 25, 26, 27, 28, 226,
2950 29, 30, 31, 32, 33, 43, 44, 45,
2951 46, 47, 48, 49, 50, 76, 77, 78,
2952 79, 80, 81, 82, 83, 84, 85, 86,
2953 87, 94, 95, 234, 181, 233, 187, 190,
2954 180, 96, 97, 98, 99, 100, 101, 102,
2955 104, 112, 182, 174, 236, 232, 229, 103,
2956 228, 226, 114, 115, 116, 117, 118, 119,
2957 120, 121, 122, 235, 176, 230, 194, 162,
2958 130, 131, 132, 133, 134, 135, 136, 137,
2959 138, 139, 201, 205, 163, 217, 220, 224,
2960 5, 248, 227, 244, 242, 255, 241, 231,
2961 240, 253, 16, 197, 19, 20, 21, 187,
2962 23, 169, 210, 245, 237, 249, 247, 239,
2963 168, 252, 34, 196, 36, 37, 38, 39,
2964 41, 42, 251, 254, 238, 223, 221, 213,
2965 225, 177, 52, 53, 54, 55, 56, 57,
2966 58, 59, 60, 61, 63, 64, 65, 66,
2967 67, 68, 69, 70, 71, 72, 74, 75,
2968 205, 208, 186, 202, 200, 218, 198, 179,
2969 178, 214, 88, 89, 90, 91, 92, 93,
2970 217, 166, 170, 207, 199, 209, 206, 204,
2971 160, 212, 105, 106, 108, 109, 110, 111,
2972 203, 113, 216, 215, 192, 175, 193, 243,
2973 172, 161, 123, 124, 125, 126, 127, 128,
2974 222, 219, 211, 195, 188, 193, 185, 184,
2975 191, 183, 141, 142, 143, 144, 145, 146
2976};
2977#else /* ascii rather than ebcdic */
22c35a8c 2978EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
2979 1, 2, 84, 151, 154, 155, 156, 157,
2980 165, 246, 250, 3, 158, 7, 18, 29,
2981 40, 51, 62, 73, 85, 96, 107, 118,
2982 129, 140, 147, 148, 149, 150, 152, 153,
2983 255, 182, 224, 205, 174, 176, 180, 217,
2984 233, 232, 236, 187, 235, 228, 234, 226,
2985 222, 219, 211, 195, 188, 193, 185, 184,
2986 191, 183, 201, 229, 181, 220, 194, 162,
2987 163, 208, 186, 202, 200, 218, 198, 179,
2988 178, 214, 166, 170, 207, 199, 209, 206,
2989 204, 160, 212, 216, 215, 192, 175, 173,
2990 243, 172, 161, 190, 203, 189, 164, 230,
2991 167, 248, 227, 244, 242, 255, 241, 231,
2992 240, 253, 169, 210, 245, 237, 249, 247,
2993 239, 168, 252, 251, 254, 238, 223, 221,
2994 213, 225, 177, 197, 171, 196, 159, 4,
2995 5, 6, 8, 9, 10, 11, 12, 13,
2996 14, 15, 16, 17, 19, 20, 21, 22,
2997 23, 24, 25, 26, 27, 28, 30, 31,
2998 32, 33, 34, 35, 36, 37, 38, 39,
2999 41, 42, 43, 44, 45, 46, 47, 48,
3000 49, 50, 52, 53, 54, 55, 56, 57,
3001 58, 59, 60, 61, 63, 64, 65, 66,
3002 67, 68, 69, 70, 71, 72, 74, 75,
3003 76, 77, 78, 79, 80, 81, 82, 83,
3004 86, 87, 88, 89, 90, 91, 92, 93,
3005 94, 95, 97, 98, 99, 100, 101, 102,
3006 103, 104, 105, 106, 108, 109, 110, 111,
3007 112, 113, 114, 115, 116, 117, 119, 120,
3008 121, 122, 123, 124, 125, 126, 127, 128,
3009 130, 131, 132, 133, 134, 135, 136, 137,
3010 138, 139, 141, 142, 143, 144, 145, 146
3011};
9d116dd7 3012#endif
79072805 3013#else
22c35a8c 3014EXTCONST unsigned char PL_freq[];
79072805
LW
3015#endif
3016
8990e307
LW
3017#ifdef DEBUGGING
3018#ifdef DOINIT
22c35a8c 3019EXTCONST char* PL_block_type[] = {
8990e307
LW
3020 "NULL",
3021 "SUB",
3022 "EVAL",
3023 "LOOP",
3024 "SUBST",
3025 "BLOCK",
3026};
3027#else
22c35a8c 3028EXTCONST char* PL_block_type[];
8990e307
LW
3029#endif
3030#endif
3031
73c4f7a1
GS
3032END_EXTERN_C
3033
79072805
LW
3034/*****************************************************************************/
3035/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3036/*****************************************************************************/
8990e307 3037/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3038
a0d0e21e
LW
3039#include "perly.h"
3040
fb73857a 3041#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3042
79072805
LW
3043typedef enum {
3044 XOPERATOR,
3045 XTERM,
79072805 3046 XREF,
8990e307 3047 XSTATE,
a0d0e21e 3048 XBLOCK,
09bef843
SB
3049 XATTRBLOCK,
3050 XATTRTERM,
a0d0e21e 3051 XTERMBLOCK
79072805
LW
3052} expectation;
3053
dc9e4912
GS
3054enum { /* pass one of these to get_vtbl */
3055 want_vtbl_sv,
3056 want_vtbl_env,
3057 want_vtbl_envelem,
3058 want_vtbl_sig,
3059 want_vtbl_sigelem,
3060 want_vtbl_pack,
3061 want_vtbl_packelem,
3062 want_vtbl_dbline,
3063 want_vtbl_isa,
3064 want_vtbl_isaelem,
3065 want_vtbl_arylen,
3066 want_vtbl_glob,
3067 want_vtbl_mglob,
3068 want_vtbl_nkeys,
3069 want_vtbl_taint,
3070 want_vtbl_substr,
3071 want_vtbl_vec,
3072 want_vtbl_pos,
3073 want_vtbl_bm,
3074 want_vtbl_fm,
3075 want_vtbl_uvar,
3076 want_vtbl_defelem,
3077 want_vtbl_regexp,
3078 want_vtbl_collxfrm,
3079 want_vtbl_amagic,
3080 want_vtbl_amagicelem,
4d1ff10f 3081#ifdef USE_5005THREADS
dc9e4912
GS
3082 want_vtbl_mutex,
3083#endif
3084 want_vtbl_regdata,
810b8aa5
GS
3085 want_vtbl_regdatum,
3086 want_vtbl_backref
dc9e4912
GS
3087};
3088
85e6fe83
LW
3089 /* Note: the lowest 8 bits are reserved for
3090 stuffing into op->op_private */
f3aa04c2 3091#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW
3092#define HINT_INTEGER 0x00000001
3093#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH
3094#define HINT_LOCALE 0x00000004
3095#define HINT_BYTES 0x00000008
393fec97 3096/* #define HINT_notused10 0x00000010 */
a0ed51b3 3097 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW
3098
3099#define HINT_BLOCK_SCOPE 0x00000100
3100#define HINT_STRICT_SUBS 0x00000200
3101#define HINT_STRICT_VARS 0x00000400
3102
b3ac6de7
IZ
3103#define HINT_NEW_INTEGER 0x00001000
3104#define HINT_NEW_FLOAT 0x00002000
3105#define HINT_NEW_BINARY 0x00004000
3106#define HINT_NEW_STRING 0x00008000
3107#define HINT_NEW_RE 0x00010000
3108#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3109
b3eb6a9b 3110#define HINT_RE_TAINT 0x00100000
e4d48cc9 3111#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3112
5ff3f7a4 3113#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3114#define HINT_UTF8 0x00800000
5ff3f7a4 3115
84d4ea48
JH
3116#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3117#define HINT_SORT_QUICKSORT 0x00000001
3118#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3119#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3120
8bfdd7d9 3121/* Various states of the input record separator SV (rs) */
d4cce5f1 3122#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG
3123#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3124#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3125#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3126
128e8167 3127/* A struct for keeping various DEBUGGING related stuff,
ce333219 3128 * neatly packed. Currently only scratch variables for
128e8167
JH
3129 * constructing debug output are included. Needed always,
3130 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH
3131struct perl_debug_pad {
3132 SV pad[3];
3133};
3134
3135#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
3136#define PERL_DEBUG_PAD_ZERO(i) (sv_setpvn(PERL_DEBUG_PAD(i), "", 0), PERL_DEBUG_PAD(i))
ce333219 3137
56953603 3138/* Enable variables which are pointers to functions */
a2efc822 3139typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS
3140typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3141typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3142 char* strend, char* strbeg, I32 minend,
3143 SV* screamer, void* data, U32 flags);
f722798b
IZ
3144typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3145 char *strpos, char *strend,
3146 U32 flags,
3147 struct re_scream_pos_data_s *d);
3148typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3149typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3150
c76ac1ee 3151typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS
3152typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3153typedef void (*SVFUNC_t) (pTHX_ SV*);
3154typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3155typedef void (*XSINIT_t) (pTHX);
3156typedef void (*ATEXIT_t) (pTHX_ void*);
3157typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3158
22239a37
NIS
3159/* Set up PERLVAR macros for populating structs */
3160#define PERLVAR(var,type) type var;
51371543 3161#define PERLVARA(var,n,type) type var[n];
22239a37 3162#define PERLVARI(var,type,init) type var;
3fe35a81 3163#define PERLVARIC(var,type,init) type var;
22239a37 3164
58a50f62
GS
3165/* Interpreter exitlist entry */
3166typedef struct exitlistentry {
acfe0abc 3167 void (*fn) (pTHX_ void*);
58a50f62
GS
3168 void *ptr;
3169} PerlExitListEntry;
3170
22239a37
NIS
3171#ifdef PERL_GLOBAL_STRUCT
3172struct perl_vars {
7766f137 3173# include "perlvars.h"
22239a37
NIS
3174};
3175
7766f137 3176# ifdef PERL_CORE
533c011a
NIS
3177EXT struct perl_vars PL_Vars;
3178EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS
3179# else /* PERL_CORE */
3180# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3181EXT
7766f137 3182# endif /* WIN32 */
533c011a 3183struct perl_vars *PL_VarsPtr;
7766f137
GS
3184# define PL_Vars (*((PL_VarsPtr) \
3185 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3186# endif /* PERL_CORE */
22239a37
NIS
3187#endif /* PERL_GLOBAL_STRUCT */
3188
acfe0abc 3189#if defined(MULTIPLICITY)
d460ef45 3190/* If we have multiple interpreters define a struct
d4cce5f1 3191 holding variables which must be per-interpreter
d460ef45 3192 If we don't have threads anything that would have
d4cce5f1
NIS
3193 be per-thread is per-interpreter.
3194*/
3195
79072805 3196struct interpreter {
4d1ff10f 3197# ifndef USE_5005THREADS
7766f137
GS
3198# include "thrdvar.h"
3199# endif
3200# include "intrpvar.h"
3201/*
3202 * The following is a buffer where new variables must
acfe0abc 3203 * be defined to maintain binary compatibility with previous versions
7766f137
GS
3204 */
3205PERLVARA(object_compatibility,30, char)
49f531da 3206};
d4cce5f1 3207
79072805 3208#else
49f531da
NIS
3209struct interpreter {
3210 char broiled;
3211};
acfe0abc 3212#endif /* MULTIPLICITY */
79072805 3213
4d1ff10f 3214#ifdef USE_5005THREADS
d4cce5f1
NIS
3215/* If we have threads define a struct with all the variables
3216 * that have to be per-thread
49f531da 3217 */
8023c3ce 3218
79072805 3219
49f531da 3220struct perl_thread {
49f531da 3221#include "thrdvar.h"
79072805 3222};
d4cce5f1 3223
22fae026
TM
3224typedef struct perl_thread *Thread;
3225
3226#else
3227typedef void *Thread;
22239a37
NIS
3228#endif
3229
3230/* Done with PERLVAR macros for now ... */
d4cce5f1 3231#undef PERLVAR
51371543 3232#undef PERLVARA
d4cce5f1 3233#undef PERLVARI
3fe35a81 3234#undef PERLVARIC
79072805 3235
22239a37 3236#include "thread.h"
79072805 3237#include "pp.h"
864dbfa3
GS
3238
3239#ifndef PERL_CALLCONV
3240# define PERL_CALLCONV
d460ef45 3241#endif
864dbfa3 3242
65f19062
GS
3243#ifndef NEXT30_NO_ATTRIBUTE
3244# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3245# ifdef __attribute__ /* Avoid possible redefinition errors */
3246# undef __attribute__
3247# endif
3248# define __attribute__(attr)
3249# endif
3250#endif
3251
0cb96387
GS
3252#undef PERL_CKDEF
3253#undef PERL_PPDEF
3254#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3255#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3256
7766f137 3257#include "proto.h"
864dbfa3 3258
0cb96387 3259/* this has structure inits, so it cannot be included before here */
acfe0abc 3260#include "opcode.h"
864dbfa3 3261
d4cce5f1
NIS
3262/* The following must follow proto.h as #defines mess up syntax */
3263
22c35a8c
GS
3264#if !defined(PERL_FOR_X2P)
3265# include "embedvar.h"
3266#endif
d4cce5f1 3267
d460ef45 3268/* Now include all the 'global' variables
d4cce5f1 3269 * If we don't have threads or multiple interpreters
d460ef45 3270 * these include variables that would have been their struct-s
d4cce5f1 3271 */
d460ef45 3272
533c011a 3273#define PERLVAR(var,type) EXT type PL_##var;
51371543 3274#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS
3275#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3276#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3277
acfe0abc 3278#if !defined(MULTIPLICITY)
7766f137 3279START_EXTERN_C
066ef5b5 3280# include "intrpvar.h"
4d1ff10f 3281# ifndef USE_5005THREADS
066ef5b5
GS
3282# include "thrdvar.h"
3283# endif
7766f137 3284END_EXTERN_C
22239a37
NIS
3285#endif
3286
acfe0abc 3287#if defined(WIN32)
66a93824 3288/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3289# include "embed.h"
acfe0abc 3290#endif
22239a37 3291
c5be433b
GS
3292#ifndef PERL_GLOBAL_STRUCT
3293START_EXTERN_C
3294
3295# include "perlvars.h"
3296
3297END_EXTERN_C
3298#endif
3299
d4cce5f1 3300#undef PERLVAR
51371543 3301#undef PERLVARA
d4cce5f1 3302#undef PERLVARI
0f3f18a6 3303#undef PERLVARIC
79072805 3304
73c4f7a1
GS
3305START_EXTERN_C
3306
79072805 3307#ifdef DOINIT
bbce6d69 3308
2b260de0
GS
3309EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
3310 MEMBER_TO_FPTR(Perl_magic_set),
3311 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3312 0, 0};
2b260de0
GS
3313EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3314 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3315 0};
2b260de0
GS
3316EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3317 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3318 0};
22c35a8c 3319EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH
3320#ifdef PERL_MICRO
3321EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3322#else
2b260de0
GS
3323EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3324 MEMBER_TO_FPTR(Perl_magic_setsig),
3325 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3326 0};
64ca3a65 3327#endif
2b260de0 3328EXT MGVTBL PL_vtbl_pack = {0, 0, MEMBER_TO_FPTR(Perl_magic_sizepack), MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3329 0};
2b260de0
GS
3330EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
3331 MEMBER_TO_FPTR(Perl_magic_setpack),
3332 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3333 0};
2b260de0 3334EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3335 0, 0, 0};
2b260de0
GS
3336EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3337 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3338 0};
2b260de0 3339EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3340 0, 0, 0};
2b260de0
GS
3341EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3342 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3343 0, 0, 0};
2b260de0
GS
3344EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3345 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3346 0, 0, 0};
2b260de0 3347EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3348 0, 0, 0};
2b260de0
GS
3349EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3350 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3351 0, 0, 0};
2b260de0 3352EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3353 0, 0, 0};
2b260de0 3354EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr), MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3355 0, 0, 0};
2b260de0
GS
3356EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
3357 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3358 0, 0, 0};
2b260de0
GS
3359EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3360 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3361 0, 0, 0};
2b260de0 3362EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3363 0, 0, 0};
2b260de0 3364EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3365 0, 0, 0};
2b260de0
GS
3366EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3367 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3368 0, 0, 0};
4d1ff10f 3369#ifdef USE_5005THREADS
2b260de0 3370EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0, MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3371#endif /* USE_5005THREADS */
2b260de0 3372EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3373 0, 0, 0};
a0d0e21e 3374
2b260de0
GS
3375EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3376EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG
3377EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3378 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3379
36477c24 3380#ifdef USE_LOCALE_COLLATE
22c35a8c 3381EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3382 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3383 0, 0, 0};
3384#endif
a0d0e21e 3385
2b260de0
GS
3386EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3387 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3388EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3389 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3390
810b8aa5 3391EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3392 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3393
d460ef45
NIS
3394EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3395 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3396
bbce6d69 3397#else /* !DOINIT */
3398
22c35a8c
GS
3399EXT MGVTBL PL_vtbl_sv;
3400EXT MGVTBL PL_vtbl_env;
3401EXT MGVTBL PL_vtbl_envelem;
3402EXT MGVTBL PL_vtbl_sig;
3403EXT MGVTBL PL_vtbl_sigelem;
3404EXT MGVTBL PL_vtbl_pack;
3405EXT MGVTBL PL_vtbl_packelem;
3406EXT MGVTBL PL_vtbl_dbline;
3407EXT MGVTBL PL_vtbl_isa;
3408EXT MGVTBL PL_vtbl_isaelem;
3409EXT MGVTBL PL_vtbl_arylen;
3410EXT MGVTBL PL_vtbl_glob;
3411EXT MGVTBL PL_vtbl_mglob;
3412EXT MGVTBL PL_vtbl_nkeys;
3413EXT MGVTBL PL_vtbl_taint;
3414EXT MGVTBL PL_vtbl_substr;
3415EXT MGVTBL PL_vtbl_vec;
3416EXT MGVTBL PL_vtbl_pos;
3417EXT MGVTBL PL_vtbl_bm;
3418EXT MGVTBL PL_vtbl_fm;
3419EXT MGVTBL PL_vtbl_uvar;
d460ef45 3420EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3421
4d1ff10f 3422#ifdef USE_5005THREADS
22c35a8c 3423EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3424#endif /* USE_5005THREADS */
f93b4edd 3425
22c35a8c
GS
3426EXT MGVTBL PL_vtbl_defelem;
3427EXT MGVTBL PL_vtbl_regexp;
3428EXT MGVTBL PL_vtbl_regdata;
3429EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3430
36477c24 3431#ifdef USE_LOCALE_COLLATE
22c35a8c 3432EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3433#endif
a0d0e21e 3434
22c35a8c
GS
3435EXT MGVTBL PL_vtbl_amagic;
3436EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3437
810b8aa5
GS
3438EXT MGVTBL PL_vtbl_backref;
3439
bbce6d69 3440#endif /* !DOINIT */
85e6fe83 3441
f5284f61
IZ
3442enum {
3443 fallback_amg, abs_amg,
3444 bool__amg, nomethod_amg,
3445 string_amg, numer_amg,
3446 add_amg, add_ass_amg,
3447 subtr_amg, subtr_ass_amg,
3448 mult_amg, mult_ass_amg,
3449 div_amg, div_ass_amg,
3450 modulo_amg, modulo_ass_amg,
3451 pow_amg, pow_ass_amg,
3452 lshift_amg, lshift_ass_amg,
3453 rshift_amg, rshift_ass_amg,
3454 band_amg, band_ass_amg,
3455 bor_amg, bor_ass_amg,
3456 bxor_amg, bxor_ass_amg,
3457 lt_amg, le_amg,
3458 gt_amg, ge_amg,
3459 eq_amg, ne_amg,
3460 ncmp_amg, scmp_amg,
3461 slt_amg, sle_amg,
3462 sgt_amg, sge_amg,
3463 seq_amg, sne_amg,
3464 not_amg, compl_amg,
3465 inc_amg, dec_amg,
3466 atan2_amg, cos_amg,
3467 sin_amg, exp_amg,
3468 log_amg, sqrt_amg,
3469 repeat_amg, repeat_ass_amg,
3470 concat_amg, concat_ass_amg,
3471 copy_amg, neg_amg,
3472 to_sv_amg, to_av_amg,
3473 to_hv_amg, to_gv_amg,
d460ef45 3474 to_cv_amg, iter_amg,
f216259d
IZ
3475 int_amg, DESTROY_amg,
3476 max_amg_code
64a0062a 3477 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ
3478};
3479
3480#define NofAMmeth max_amg_code
89ffc314 3481#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3482
a0d0e21e 3483#ifdef DOINIT
22c35a8c 3484EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ
3485 /* Names kept in the symbol table. fallback => "()", the rest has
3486 "(" prepended. The only other place in perl which knows about
3487 this convention is AMG_id2name (used for debugging output and
3488 'nomethod' only), the only other place which has it hardwired is
3489 overload.pm. */
3490 "()", "(abs", /* "fallback" should be the first. */
3491 "(bool", "(nomethod",
3492 "(\"\"", "(0+",
3493 "(+", "(+=",
3494 "(-", "(-=",
3495 "(*", "(*=",
3496 "(/", "(/=",
3497 "(%", "(%=",
3498 "(**", "(**=",
3499 "(<<", "(<<=",
3500 "(>>", "(>>=",
3501 "(&", "(&=",
3502 "(|", "(|=",
3503 "(^", "(^=",
3504 "(<", "(<=",
3505 "(>", "(>=",
3506 "(==", "(!=",
3507 "(<=>", "(cmp",
3508 "(lt", "(le",
3509 "(gt", "(ge",
3510 "(eq", "(ne",
3511 "(!", "(~",
3512 "(++", "(--",
3513 "(atan2", "(cos",
3514 "(sin", "(exp",
3515 "(log", "(sqrt",
3516 "(x", "(x=",
3517 "(.", "(.=",
3518 "(=", "(neg",
3519 "(${}", "(@{}",
3520 "(%{}", "(*{}",
3521 "(&{}", "(<>",
f216259d 3522 "(int", "DESTROY",
a0d0e21e
LW
3523};
3524#else
22c35a8c 3525EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW
3526#endif /* def INITAMAGIC */
3527
73c4f7a1
GS
3528END_EXTERN_C
3529
a6006777 3530struct am_table {
a0d0e21e
LW
3531 long was_ok_sub;
3532 long was_ok_am;
a6006777 3533 U32 flags;
3534 CV* table[NofAMmeth];
a0d0e21e
LW
3535 long fallback;
3536};
a6006777 3537struct am_table_short {
3538 long was_ok_sub;
3539 long was_ok_am;
3540 U32 flags;
3541};
a0d0e21e 3542typedef struct am_table AMT;
a6006777 3543typedef struct am_table_short AMTS;
a0d0e21e
LW
3544
3545#define AMGfallNEVER 1
3546#define AMGfallNO 2
3547#define AMGfallYES 3
3548
a6006777 3549#define AMTf_AMAGIC 1
32251b26 3550#define AMTf_OVERLOADED 2
a6006777 3551#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3552#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3553#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ
3554#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3555#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3556#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3557
32251b26 3558#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH
3559
3560/*
3561 * some compilers like to redefine cos et alia as faster
3562 * (and less accurate?) versions called F_cos et cetera (Quidquid
3563 * latine dictum sit, altum viditur.) This trick collides with
3564 * the Perl overloading (amg). The following #defines fool both.
3565 */
3566
3567#ifdef _FASTMATH
3568# ifdef atan2
3569# define F_atan2_amg atan2_amg
3570# endif
3571# ifdef cos
3572# define F_cos_amg cos_amg
3573# endif
3574# ifdef exp
3575# define F_exp_amg exp_amg
3576# endif
3577# ifdef log
3578# define F_log_amg log_amg
3579# endif
3580# ifdef pow
3581# define F_pow_amg pow_amg
3582# endif
3583# ifdef sin
3584# define F_sin_amg sin_amg
3585# endif
3586# ifdef sqrt
3587# define F_sqrt_amg sqrt_amg
3588# endif
3589#endif /* _FASTMATH */
3590
83ee9e09
GS
3591#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3592 PERLDBf_NOOPT | PERLDBf_INTER | \
3593 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3594 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3595 /* No _NONAME, _GOTO */
3596#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3597#define PERLDBf_LINE 0x02 /* Keep line # */
3598#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3599#define PERLDBf_INTER 0x08 /* Preserve more data for
3600 later inspections */
3601#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3602#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3603#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3604#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3605#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3606#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3607
3280af22
NIS
3608#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3609#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3610#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3611#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3612#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3613#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3614#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3615#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS
3616#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3617#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3618
bbce6d69 3619
36477c24 3620#ifdef USE_LOCALE_NUMERIC
bbce6d69 3621
36477c24 3622#define SET_NUMERIC_STANDARD() \
ff4fed7c 3623 set_numeric_standard();
36477c24 3624
3625#define SET_NUMERIC_LOCAL() \
ff4fed7c 3626 set_numeric_local();
bbce6d69 3627
2de3dbcc
JH
3628#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3629#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3630
3631#define IN_LOCALE \
3632 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3633
f93f4e46 3634#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3635 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3636 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK
3637
3638#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3639 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3640 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK
3641
3642#define RESTORE_NUMERIC_LOCAL() \
3643 if (was_local) SET_NUMERIC_LOCAL();
3644
3645#define RESTORE_NUMERIC_STANDARD() \
3646 if (was_standard) SET_NUMERIC_STANDARD();
3647
5b877257 3648#define Atof my_atof
097ee67d 3649
36477c24 3650#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3651
097ee67d
JH
3652#define SET_NUMERIC_STANDARD() /**/
3653#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3654#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK
3655#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3656#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH
3657#define RESTORE_NUMERIC_LOCAL() /**/
3658#define RESTORE_NUMERIC_STANDARD() /**/
65202027 3659#define Atof Perl_atof
ad3e0f90 3660#define IN_LOCALE_RUNTIME 0
bbce6d69 3661
36477c24 3662#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3663
079290de 3664#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH
3665# ifdef __hpux
3666# define strtoll __strtoll /* secret handshake */
3667# endif
079290de
GS
3668# if !defined(Strtol) && defined(HAS_STRTOLL)
3669# define Strtol strtoll
ad551343 3670# endif
28e5dec8
JH
3671# if !defined(Strtol) && defined(HAS_STRTOQ)
3672# define Strtol strtoq
3673# endif
ff935051 3674/* is there atoq() anywhere? */
15b99d39 3675#endif
079290de
GS
3676#if !defined(Strtol) && defined(HAS_STRTOL)
3677# define Strtol strtol
3678#endif
3679#ifndef Atol
3680/* It would be more fashionable to use Strtol() to define atol()
3681 * (as is done for Atoul(), see below) but for backward compatibility
3682 * we just assume atol(). */
76b882ba
JH
3683# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
3684# define Atol atoll
3685# else
3686# define Atol atol
3687# endif
cf2093f6
JH
3688#endif
3689
55eb892c 3690#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH
3691# ifdef __hpux
3692# define strtoull __strtoull /* secret handshake */
3693# endif
ad551343 3694# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3695# define Strtoul strtoull
15b99d39 3696# endif
079290de
GS
3697# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3698# define Strtoul strtouq
3699# endif
76d49b1c 3700/* is there atouq() anywhere? */
ad551343 3701#endif
079290de
GS
3702#if !defined(Strtoul) && defined(HAS_STRTOUL)
3703# define Strtoul strtoul
cf2093f6 3704#endif
079290de
GS
3705#ifndef Atoul
3706# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3707#endif
cf2093f6 3708
e5c9fcd0 3709#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
d460ef45
NIS
3710/*
3711 * Now we have __attribute__ out of the way
3712 * Remap printf
760ac839 3713 */
39455587 3714#undef printf
c745e42c
NIS
3715#ifdef __GNUC__
3716#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3717#else
760ac839
LW
3718#define printf PerlIO_stdoutf
3719#endif
c745e42c 3720#endif
760ac839 3721
06d86050
GS
3722/* if these never got defined, they need defaults */
3723#ifndef PERL_SET_CONTEXT
3724# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3725#endif
3726
3727#ifndef PERL_GET_CONTEXT
3728# define PERL_GET_CONTEXT PERL_GET_INTERP
3729#endif
3730
3731#ifndef PERL_GET_THX
3732# define PERL_GET_THX ((void*)NULL)
3733#endif
3734
3735#ifndef PERL_SET_THX
3736# define PERL_SET_THX(t) NOOP
3737#endif
3738
a868473f
NIS
3739#ifndef PERL_SCRIPT_MODE
3740#define PERL_SCRIPT_MODE "r"
3741#endif
3742
fba3b22e 3743/*
da927450
JH
3744 * Some operating systems are stingy with stack allocation,
3745 * so perl may have to guard against stack overflow.
3746 */
3747#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3748#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH
3749#endif
3750
3751/*
3752 * Some nonpreemptive operating systems find it convenient to
3753 * check for asynchronous conditions after each op execution.
3754 * Keep this check simple, or it may slow down execution
3755 * massively.
3756 */
ce08f86c 3757
1d615522
JH
3758#ifndef PERL_MICRO
3759# ifndef PERL_OLD_SIGNALS
2986a63f
JH
3760# ifndef PERL_ASYNC_CHECK
3761# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3762# endif
1d615522 3763# endif
ce08f86c
NIS
3764#endif
3765
da927450 3766#ifndef PERL_ASYNC_CHECK
1d615522 3767# define PERL_ASYNC_CHECK() NOOP
da927450
JH
3768#endif
3769
3770/*
3771 * On some operating systems, a memory allocation may succeed,
3772 * but put the process too close to the system's comfort limit.
3773 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3774 * it to NULL.
3775 */
3776#ifndef PERL_ALLOC_CHECK
c2af87cb 3777#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH
3778#endif
3779
3780/*
fba3b22e
MB
3781 * nice_chunk and nice_chunk size need to be set
3782 * and queried under the protection of sv_mutex
3783 */
30ad99e7
MJD
3784#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3785 void *new_chunk; \
3786 U32 new_chunk_size; \
3787 LOCK_SV_MUTEX; \
3788 new_chunk = (void *)(chunk); \
3789 new_chunk_size = (chunk_size); \
3790 if (new_chunk_size > PL_nice_chunk_size) { \
3791 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
3792 PL_nice_chunk = new_chunk; \
3793 PL_nice_chunk_size = new_chunk_size; \
3794 } else { \
3795 Safefree(chunk); \
3796 } \
3797 UNLOCK_SV_MUTEX; \
3798 } STMT_END
fba3b22e 3799
bd89102f
AD
3800#ifdef HAS_SEM
3801# include <sys/ipc.h>
3802# include <sys/sem.h>
3803# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
3804 union semun {
dbba660d
TC
3805 int val;
3806 struct semid_ds *buf;
3807 unsigned short *array;
bd89102f
AD
3808 };
3809# endif
3810# ifdef USE_SEMCTL_SEMUN
dbba660d
TC
3811# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
3812 union gccbug_semun {
3813 int val;
3814 struct semid_ds *buf;
3815 unsigned short *array;
3816 char __dummy[5];
3817 };
3818# define semun gccbug_semun
3819# endif
bd89102f
AD
3820# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
3821# else
3822# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS
3823# ifdef EXTRA_F_IN_SEMUN_BUF
3824# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
3825# else
3826# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
3827# endif
bd89102f
AD
3828# endif
3829# endif
bd89102f 3830#endif
49f531da 3831
89ca4ac7
JH
3832/*
3833 * Boilerplate macros for initializing and accessing interpreter-local
3834 * data from C. All statics in extensions should be reworked to use
3835 * this, if you want to make the extension thread-safe. See ext/re/re.xs
3836 * for an example of the use of these macros.
3837 *
3838 * Code that uses these macros is responsible for the following:
3839 * 1. #define MY_CXT_KEY to a unique string, e.g. "DynaLoader_guts"
3840 * 2. Declare a typedef named my_cxt_t that is a structure that contains
3841 * all the data that needs to be interpreter-local.
3842 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
3843 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
3844 * (typically put in the BOOT: section).
3845 * 5. Use the members of the my_cxt_t structure everywhere as
3846 * MY_CXT.member.
3847 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
3848 * access MY_CXT.
3849 */
3850
fc958cd2 3851#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH
3852
3853/* This must appear in all extensions that define a my_cxt_t structure,
3854 * right after the definition (i.e. at file scope). The non-threads
3855 * case below uses it to declare the data as static. */
3856#define START_MY_CXT
3857
3858/* Fetches the SV that keeps the per-interpreter data. */
3859#define dMY_CXT_SV \
3860 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
3861 sizeof(MY_CXT_KEY)-1, TRUE)
3862
3863/* This declaration should be used within all functions that use the
3864 * interpreter-local data. */
3865#define dMY_CXT \
3866 dMY_CXT_SV; \
ec0e15e0 3867 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH
3868
3869/* Creates and zeroes the per-interpreter data.
3870 * (We allocate my_cxtp in a Perl SV so that it will be released when
3871 * the interpreter goes away.) */
3872#define MY_CXT_INIT \
3873 dMY_CXT_SV; \
3874 /* newSV() allocates one more than needed */ \
3875 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
3876 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 3877 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH
3878
3879/* This macro must be used to access members of the my_cxt_t structure.
3880 * e.g. MYCXT.some_data */
3881#define MY_CXT (*my_cxtp)
3882
3883/* Judicious use of these macros can reduce the number of times dMY_CXT
3884 * is used. Use is similar to pTHX, aTHX etc. */
3885#define pMY_CXT my_cxt_t *my_cxtp
3886#define pMY_CXT_ pMY_CXT,
3887#define _pMY_CXT ,pMY_CXT
3888#define aMY_CXT my_cxtp
3889#define aMY_CXT_ aMY_CXT,
3890#define _aMY_CXT ,aMY_CXT
3891
3892#else /* USE_ITHREADS */
3893
3894#define START_MY_CXT static my_cxt_t my_cxt;
3895#define dMY_CXT_SV dNOOP
3896#define dMY_CXT dNOOP
3897#define MY_CXT_INIT NOOP
3898#define MY_CXT my_cxt
3899
3900#define pMY_CXT void
3901#define pMY_CXT_
3902#define _pMY_CXT
3903#define aMY_CXT
3904#define aMY_CXT_
3905#define _aMY_CXT
3906
3907#endif /* !defined(USE_ITHREADS) */
3908
9a34ef1d
GS
3909#ifdef I_FCNTL
3910# include <fcntl.h>
9a34ef1d
GS
3911#endif
3912
3913#ifdef I_SYS_FILE
3914# include <sys/file.h>
3915#endif
3916
fa0a29af 3917#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH
3918int flock(int fd, int op);
3919#endif
3920
fe52b3b7
GS
3921#ifndef O_RDONLY
3922/* Assume UNIX defaults */
3923# define O_RDONLY 0000
3924# define O_WRONLY 0001
3925# define O_RDWR 0002
3926# define O_CREAT 0100
3927#endif
9a34ef1d 3928
16fe6d59
GS
3929#ifndef O_BINARY
3930# define O_BINARY 0
3931#endif
3932
3933#ifndef O_TEXT
3934# define O_TEXT 0
3935#endif
3936
6ce75a77
JH
3937#if O_TEXT != O_BINARY
3938 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
3939 * that is, you are somehow DOSish. */
3940# if !defined(__BEOS__)
35990314 3941# define PERLIO_USING_CRLF 1
6ce75a77
JH
3942# else
3943 /* If you have O_TEXT different from your O_BINARY but you still are
3944 * not a CRLF shop. */
35990314 3945# undef PERLIO_USING_CRLF
6ce75a77
JH
3946# endif
3947#endif
3948
104d25b7
JH
3949#ifdef IAMSUID
3950
3951#ifdef I_SYS_STATVFS
9f982a77
IG
3952# if defined(PERL_SCO) && !defined(_SVID3)
3953# define _SVID3
3954# endif
32b3cf08
JH
3955# include <sys/statvfs.h> /* for f?statvfs() */
3956#endif
3957#ifdef I_SYS_MOUNT
3958# include <sys/mount.h> /* for *BSD f?statfs() */
3959#endif
3960#ifdef I_MNTENT
3961# include <mntent.h> /* for getmntent() */
104d25b7 3962#endif
0545a864
JH
3963#ifdef I_SYS_STATFS
3964# include <sys/statfs.h> /* for some statfs() */
3965#endif
3966#ifdef I_SYS_VFS
8d9e1a19
GS
3967# ifdef __sgi
3968# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
3969# endif
3970# include <sys/vfs.h> /* for some statfs() */
3971# ifdef __sgi
3972# undef IRIX_sv
3973# endif
0545a864
JH
3974#endif
3975#ifdef I_USTAT
3976# include <ustat.h> /* for ustat() */
3977#endif
3978
3979#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
3980# define PERL_MOUNT_NOSUID MOUNT_NOSUID
3981#endif
3982#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
3983# define PERL_MOUNT_NOSUID MNT_NOSUID
3984#endif
3985#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
3986# define PERL_MOUNT_NOSUID MS_NOSUID
3987#endif
3988#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
3989# define PERL_MOUNT_NOSUID M_NOSUID
3990#endif
104d25b7
JH
3991
3992#endif /* IAMSUID */
3993
4bc88a62
PS
3994#ifdef I_LIBUTIL
3995# include <libutil.h> /* setproctitle() in some FreeBSDs */
3996#endif
3997
b4748376
NIS
3998#ifndef EXEC_ARGV_CAST
3999#define EXEC_ARGV_CAST(x) x
4000#endif
4001
dd5dc04f
JH
4002#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4003 int). value returned in pointed-
4004 to UV */
4005#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4006#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4007#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4008#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4009#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH
4010
4011#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4012
53305cf1
NC
4013/* Input flags: */
4014#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4015#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
53305cf1
NC
4016/* Output flags: */
4017#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4018
2c4f7f0e
DM
4019/* to let user control profiling */
4020#ifdef PERL_GPROF_CONTROL
4021extern void moncontrol(int);
4022#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4023#else
4024#define PERL_GPROF_MONCONTROL(x)
4025#endif
4026
ae0e3d3b
JH
4027#ifdef UNDER_CE
4028#include "wince.h"
4029#endif
4030
4031/* ISO 6429 NEL - C1 control NExt Line */
4032/* See http://www.unicode.org/unicode/reports/tr13/ */
4033#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4034# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4035# define NEXT_LINE_CHAR 0x15
4036# else /* CDRA */
4037# define NEXT_LINE_CHAR 0x25
4038# endif
4039#else
4040# define NEXT_LINE_CHAR 0x85
4041#endif
4042
4043/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4044#define UNICODE_LINE_SEPA_0 0xE2
4045#define UNICODE_LINE_SEPA_1 0x80
4046#define UNICODE_LINE_SEPA_2 0xA8
4047#define UNICODE_PARA_SEPA_0 0xE2
4048#define UNICODE_PARA_SEPA_1 0x80
4049#define UNICODE_PARA_SEPA_2 0xA9
4050
4d8076ea 4051/* and finally... */
cceca5ed 4052#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4053#include "patchlevel.h"
cceca5ed 4054#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4055
43999f95 4056/* Mention
d460ef45 4057
43999f95 4058 NV_PRESERVES_UV
fe749a9f 4059
fe749a9f
JH
4060 HAS_MKSTEMP
4061 HAS_MKSTEMPS
4062 HAS_MKDTEMP
4063
49dabb45
JH
4064 HAS_GETCWD
4065
d59b5429 4066 HAS_MMAP
fe749a9f
JH
4067 HAS_MPROTECT
4068 HAS_MSYNC
1e8c3fde 4069 HAS_MADVISE
fe749a9f
JH
4070 HAS_MUNMAP
4071 I_SYSMMAN
4072 Mmap_t
4073
6b4667fc
A
4074 NVef
4075 NVff
4076 NVgf
4077
4e0554ec
JH
4078 HAS_USLEEP
4079 HAS_UALARM
4080
4081 HAS_SETITIMER
4082 HAS_GETITIMER
4083
4084 HAS_SENDMSG
4085 HAS_RECVMSG
4086 HAS_READV
4087 HAS_WRITEV
4088 I_SYSUIO
4089 HAS_STRUCT_MSGHDR
4090 HAS_STRUCT_CMSGHDR
4091
2765b840 4092 HAS_NL_LANGINFO
ae0e3d3b
JH
4093
4094 HAS_DIRFD
2765b840 4095
43999f95
JH
4096 so that Configure picks them up. */
4097
85e6fe83 4098#endif /* Include guard */
ae0e3d3b 4099