This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
https://perl5.git.perl.org / perl5.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
And then finally cond_wait cond_signal and cond_broadcast are now implmented.
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
bc89e66f 3 * Copyright (c) 1987-2001, Larry Wall
a687059c 4 *
352d5a3a
LW		 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
LW		 9#ifndef H_PERL
10#define H_PERL 1
8d063cd8 11
760ac839
LW		 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
760ac839
LW		 19#undef USE_STDIO
20#define USE_STDIO
21#endif /* PERL_FOR_X2P */
22
0cb96387 23#define VOIDUSED 1
d460ef45 24#ifdef PERL_MICRO
12ae5dfc
JH		 25# include "uconfig.h"
26#else
27# include "config.h"
28#endif
0cb96387 29
aaacdc8b
GS		 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*/
4d1ff10f
AB		 37#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
38# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
aaacdc8b
GS		 39#endif
40
2c2d71f5
JH		 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
GS		 46# define MULTIPLICITY
47# endif
48#endif
49
4d1ff10f 50#ifdef USE_5005THREADS
c5be433b
GS		 51# ifndef PERL_IMPLICIT_CONTEXT
52# define PERL_IMPLICIT_CONTEXT
53# endif
c5be433b
GS		 54#endif
55
c5be433b
GS		 56#if defined(MULTIPLICITY)
57# ifndef PERL_IMPLICIT_CONTEXT
58# define PERL_IMPLICIT_CONTEXT
59# endif
c5be433b
GS		 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
GS		 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
GS		 80# define pTHX_1 2
81# define pTHX_2 3
82# define pTHX_3 4
83# define pTHX_4 5
c5be433b
GS		 84#endif
85
76e3520e
GS		 86#define STATIC static
87#define CPERLscope(x) x
565764a8 88#define CPERLarg void
76e3520e 89#define CPERLarg_
e3b8966e 90#define _CPERLarg
1d583055
GS		 91#define PERL_OBJECT_THIS
92#define _PERL_OBJECT_THIS
93#define PERL_OBJECT_THIS_
312caa8e 94#define CALL_FPTR(fptr) (*fptr)
76e3520e 95
312caa8e
CS		 96#define CALLRUNOPS CALL_FPTR(PL_runops)
97#define CALLREGCOMP CALL_FPTR(PL_regcompp)
98#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 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)
14dd3ad8
GS		 102
103#ifdef PERL_FLEXIBLE_EXCEPTIONS
104# define CALLPROTECT CALL_FPTR(PL_protect)
105#endif
312caa8e 106
44dbb695
JH		 107#ifdef HASATTRIBUTE
108# define PERL_UNUSED_DECL __attribute__((unused))
109#else
110# define PERL_UNUSED_DECL
111#endif
112
349b520e
DM		 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
GS		 122#ifndef pTHX
123# define pTHX void
124# define pTHX_
0cb96387
GS		 125# define aTHX
126# define aTHX_
0cb96387
GS		 127# define dTHXa(a) dNOOP
128# define dTHX dNOOP
894356b3
GS		 129# define pTHX_1 1
130# define pTHX_2 2
131# define pTHX_3 3
132# define pTHX_4 4
0cb96387
GS		 133#endif
134
b4f7f263
GS		 135/* these are only defined for compatibility; should not be used internally */
136#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 137# define pTHXo pTHX
138# define pTHXo_ pTHX_
0cb96387
GS		 139# define aTHXo aTHX
140# define aTHXo_ aTHX_
c5be433b 141# define dTHXo dTHX
71d280e3 142# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 143#endif
144
145#ifndef pTHXx
146# define pTHXx register PerlInterpreter *my_perl
147# define pTHXx_ pTHXx,
0cb96387
GS		 148# define aTHXx my_perl
149# define aTHXx_ aTHXx,
c5be433b 150# define dTHXx dTHX
22c35a8c 151#endif
71be2cbc 152
1de7c2ac
GS		 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
326b05e3
GS		 162#undef START_EXTERN_C
163#undef END_EXTERN_C
164#undef EXTERN_C
32f822de
GS		 165#ifdef __cplusplus
166# define START_EXTERN_C extern "C" {
167# define END_EXTERN_C }
168# define EXTERN_C extern "C"
169#else
d460ef45
NIS		 170# define START_EXTERN_C
171# define END_EXTERN_C
73c4f7a1 172# define EXTERN_C extern
32f822de
GS		 173#endif
174
462e5cf6
MB		 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));
462e5cf6
MB		 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 */
79072805
LW		 220# define BYTEORDER 0x1234
221#endif
222
223/* Overall memory policy? */
224#ifndef CONSERVATIVE
225# define LIBERAL 1
226#endif
227
8ada0baa
JH		 228#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
229#define ASCIIish
230#else
231#undef ASCIIish
232#endif
233
79072805
LW		 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)
ee0007ab
LW		 244#define DOSISH 1
245#endif
246
2986a63f 247#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 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)
79072805
LW		 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
663a0e37
LW		 263#endif
264
3280af22
NIS		 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
663a0e37
LW		 319#endif
320
3d62afa2 321/* Use the reentrant APIs like localtime_r and getpwent_r */
d80aa559
GS		 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
3d62afa2
JH		 325#endif
326
8ac5a1fe
MH		 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
MH		 332# include <pthread.h>
333#endif
334
760ac839
LW		 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
663a0e37
LW		 339#endif
340
760ac839
LW		 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
JH		 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 */
a0d0e21e
LW		 370
371#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
372#undef METHOD
a0d0e21e
LW		 373#endif
374
12ae5dfc
JH		 375#ifdef PERL_MICRO
376# define NO_LOCALE
377#endif
378
4633a7c4 379#ifdef I_LOCALE
36477c24 380# include <locale.h>
4633a7c4
LW		 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
79072805
LW		 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
fa0a29af 416#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
2ef53570
JH		 417int syscall(int, ...);
418#endif
419
fa0a29af
JH		 420#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
421int usleep(unsigned int);
2ef53570
JH		 422#endif
423
9a34ef1d
GS		 424#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
425# define MYSWAP
426#endif
427
66a93824
NIS		 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))
cea2e8a9
GS		 432# include "embed.h"
433#endif
434
c31fac66
GS		 435#define MEM_SIZE Size_t
436
51371543
GS		 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
GS		 456# define Perl_malloc malloc
457# define Perl_calloc calloc
458# define Perl_realloc realloc
459# define Perl_mfree free
ee13e175 460# endif
86058a2d
GS		 461# else
462# define EMBEDMYMALLOC /* for compatibility */
463# endif
20ce7b12
GS		 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
GS		 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
GS		 471typedef struct perl_mstats perl_mstats_t;
472
651b9576
GS		 473# define safemalloc Perl_malloc
474# define safecalloc Perl_calloc
475# define saferealloc Perl_realloc
476# define safefree Perl_mfree
f2517201
GS		 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
a0d0e21e
LW		 484#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
485#define strchr index
486#define strrchr rindex
487#endif
488
16d20bd9
AD		 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);
ee0007ab
LW		 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
LW		 513# endif
514# endif
ee0007ab 515#else
12ae5dfc 516# undef memset
fc36a67e 517# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 518#endif /* HAS_MEMSET */
519
85e6fe83 520#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 521# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 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);
ee0007ab
LW		 540# endif
541# endif
36477c24 542# ifdef BUGGY_MSC
543 # pragma function(memcmp)
544# endif
ee0007ab
LW		 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)
79072805
LW		 559# endif
560# endif
d9d8d8de 561#endif
378cc40b 562
0f27ced1
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
ca6e1c26
JH		 806#ifdef I_SYSMODE
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
JH		 933
934#ifndef S_IREAD
935# define S_IREAD S_IRUSR
936#endif
937
938#ifndef S_IWRITE
939# define S_IWRITE S_IWUSR
940#endif
941
942#ifndef S_IEXEC
943# define S_IEXEC S_IXUSR
944#endif
945
79072805
LW		 946#ifdef ff_next
947# undef ff_next
352d5a3a
LW		 948#endif
949
a0d0e21e 950#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 951# define SLOPPYDIVIDE
952#endif
953
748a9306
LW		 954#ifdef UV
955#undef UV
956#endif
957
c89df6bf
JH		 958#ifdef SPRINTF_E_BUG
959# define sprintf UTS_sprintf_wrap
960#endif
961
c495e728
JH		 962/* Configure gets this right but the UTS compiler gets it wrong.
963 -- Hal Morris <hom00@utsglobal.com> */
964#ifdef UTS
965# undef UVTYPE
966# define UVTYPE unsigned
967#endif
968
05f13f53 969/*
27d4fb96 970 The IV type is supposed to be long enough to hold any integral
971 value or a pointer.
972 --Andy Dougherty August 1996
973*/
974
a22e52b9
JH		 975typedef IVTYPE IV;
976typedef UVTYPE UV;
8175356b 977
10cc9d2a 978#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 979# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 980# define IV_MAX INT64_MAX
981# define IV_MIN INT64_MIN
982# define UV_MAX UINT64_MAX
cae7ae48
JH		 983# ifndef UINT64_MIN
984# define UINT64_MIN 0
985# endif
5ff3f7a4
GS		 986# define UV_MIN UINT64_MIN
987# else
988# define IV_MAX PERL_QUAD_MAX
989# define IV_MIN PERL_QUAD_MIN
990# define UV_MAX PERL_UQUAD_MAX
991# define UV_MIN PERL_UQUAD_MIN
992# endif
cf2093f6
JH		 993# define IV_IS_QUAD
994# define UV_IS_QUAD
79072805 995#else
8175356b 996# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 997# define IV_MAX INT32_MAX
998# define IV_MIN INT32_MIN
716026f9
DL		 999# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1000# define UV_MAX UINT32_MAX
1001# else
1002# define UV_MAX 4294967295U
1003# endif
cae7ae48
JH		 1004# ifndef UINT32_MIN
1005# define UINT32_MIN 0
1006# endif
5ff3f7a4
GS		 1007# define UV_MIN UINT32_MIN
1008# else
1009# define IV_MAX PERL_LONG_MAX
1010# define IV_MIN PERL_LONG_MIN
1011# define UV_MAX PERL_ULONG_MAX
1012# define UV_MIN PERL_ULONG_MIN
1013# endif
8175356b 1014# if IVSIZE == 8
cf2093f6
JH		 1015# define IV_IS_QUAD
1016# define UV_IS_QUAD
de1c2614
JH		 1017# ifndef HAS_QUAD
1018# define HAS_QUAD
1019# endif
cf2093f6
JH		 1020# else
1021# undef IV_IS_QUAD
1022# undef UV_IS_QUAD
de1c2614 1023# undef HAS_QUAD
cf2093f6 1024# endif
79072805 1025#endif
d7d93a81 1026
6cde8aec 1027#if defined(uts) || defined(UTS)
11afe549
HM		 1028# undef UV_MAX
1029# define UV_MAX (4294967295u)
20601011
JH		 1030#endif
1031
cae7ae48 1032#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1033#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1034
28e5dec8 1035#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1036#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1037#endif
1038
d460ef45 1039/*
26bb67e2
JH		 1040 * The macros INT2PTR and NUM2PTR are (despite their names)
1041 * bi-directional: they will convert int/float to or from pointers.
1042 * However the conversion to int/float are named explicitly:
1043 * PTR2IV, PTR2UV, PTR2NV.
1044 *
1045 * For int conversions we do not need two casts if pointers are
1046 * the same size as IV and UV. Otherwise we need an explicit
1047 * cast (PTRV) to avoid compiler warnings.
1048 */
56431972
RB		 1049#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1050# define PTRV UV
1051# define INT2PTR(any,d) (any)(d)
1052#else
d460ef45 1053# if PTRSIZE == LONGSIZE
56431972 1054# define PTRV unsigned long
42718184 1055# else
56431972 1056# define PTRV unsigned
42718184 1057# endif
56431972 1058# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1059#endif
56431972
RB		 1060#define NUM2PTR(any,d) (any)(PTRV)(d)
1061#define PTR2IV(p) INT2PTR(IV,p)
1062#define PTR2UV(p) INT2PTR(UV,p)
1063#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1064#if PTRSIZE == LONGSIZE
d2560b70
RB		 1065# define PTR2ul(p) (unsigned long)(p)
1066#else
1067# define PTR2ul(p) INT2PTR(unsigned long,p)
1068#endif
d460ef45 1069
65202027 1070#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1071# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1072# define LONG_DOUBLE_EQUALS_DOUBLE
1073# endif
68d4903c 1074# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1075# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1076# endif
1077#endif
1078
2d4389e4
JH		 1079#ifdef OVR_DBL_DIG
1080/* Use an overridden DBL_DIG */
1081# ifdef DBL_DIG
1082# undef DBL_DIG
1083# endif
1084# define DBL_DIG OVR_DBL_DIG
1085#else
1086/* The following is all to get DBL_DIG, in order to pick a nice
1087 default value for printing floating point numbers in Gconvert.
1088 (see config.h)
1089*/
1090#ifdef I_LIMITS
1091#include <limits.h>
1092#endif
1093#ifdef I_FLOAT
1094#include <float.h>
1095#endif
1096#ifndef HAS_DBL_DIG
1097#define DBL_DIG 15 /* A guess that works lots of places */
1098#endif
1099#endif
cbca01e1
JH		 1100#ifdef I_FLOAT
1101#include <float.h>
1102#endif
1103#ifndef HAS_DBL_DIG
1104#define DBL_DIG 15 /* A guess that works lots of places */
1105#endif
2d4389e4
JH		 1106
1107#ifdef OVR_LDBL_DIG
1108/* Use an overridden LDBL_DIG */
1109# ifdef LDBL_DIG
1110# undef LDBL_DIG
1111# endif
1112# define LDBL_DIG OVR_LDBL_DIG
1113#else
1114/* The following is all to get LDBL_DIG, in order to pick a nice
1115 default value for printing floating point numbers in Gconvert.
1116 (see config.h)
1117*/
68d4903c
JH		 1118# ifdef I_LIMITS
1119# include <limits.h>
1120# endif
1121# ifdef I_FLOAT
1122# include <float.h>
1123# endif
1124# ifndef HAS_LDBL_DIG
1125# if LONG_DOUBLESIZE == 10
1126# define LDBL_DIG 18 /* assume IEEE */
1127# else
1128# if LONG_DOUBLESIZE == 12
1129# define LDBL_DIG 18 /* gcc? */
1130# else
1131# if LONG_DOUBLESIZE == 16
1132# define LDBL_DIG 33 /* assume IEEE */
1133# else
1134# if LONG_DOUBLESIZE == DOUBLESIZE
1135# define LDBL_DIG DBL_DIG /* bummer */
1136# endif
1137# endif
1138# endif
1139# endif
1140# endif
2d4389e4
JH		 1141#endif
1142
a22e52b9 1143typedef NVTYPE NV;
8175356b 1144
792d8dab
JH		 1145#ifdef I_IEEEFP
1146# include <ieeefp.h>
1147#endif
923fc586 1148
65202027 1149#ifdef USE_LONG_DOUBLE
923fc586
JH		 1150# ifdef I_SUNMATH
1151# include <sunmath.h>
1152# endif
2d4389e4 1153# define NV_DIG LDBL_DIG
d6c14000
JH		 1154# ifdef LDBL_MANT_DIG
1155# define NV_MANT_DIG LDBL_MANT_DIG
1156# endif
06fc1729
JH		 1157# ifdef LDBL_MIN
1158# define NV_MIN LDBL_MIN
1159# endif
1160# ifdef LDBL_MAX
1161# define NV_MAX LDBL_MAX
1162# endif
1163# ifdef LDBL_MIN_10_EXP
1164# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1165# endif
1166# ifdef LDBL_MAX_10_EXP
1167# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1168# endif
1169# ifdef LDBL_EPSILON
1170# define NV_EPSILON LDBL_EPSILON
1171# endif
f4a14a62
JH		 1172# ifdef LDBL_MAX
1173# define NV_MAX LDBL_MAX
1174# define NV_MIN LDBL_MIN
1175# else
1176# ifdef HUGE_VALL
1177# define NV_MAX HUGE_VALL
1178# else
1179# ifdef HUGE_VAL
1180# define NV_MAX ((NV)HUGE_VAL)
1181# endif
1182# endif
1183# endif
68d4903c 1184# ifdef HAS_SQRTL
68d4903c
JH		 1185# define Perl_cos cosl
1186# define Perl_sin sinl
1187# define Perl_sqrt sqrtl
1188# define Perl_exp expl
1189# define Perl_log logl
1190# define Perl_atan2 atan2l
1191# define Perl_pow powl
1192# define Perl_floor floorl
1193# define Perl_fmod fmodl
1194# endif
a3540c92
JH		 1195/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1196# ifdef HAS_MODFL
1197# define Perl_modf(x,y) modfl(x,y)
e82e08d5
JH		 1198# else
1199# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
a3540c92
JH		 1200# endif
1201# ifdef HAS_FREXPL
dff3e0b8 1202# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5
JH		 1203# else
1204# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
a3540c92 1205# endif
758a5d79
JH		 1206# ifndef Perl_isinf
1207# ifdef HAS_ISNANL
1208# define Perl_isnan(x) isnanl(x)
1209# endif
1210# endif
1211# ifndef Perl_isinf
1212# ifdef HAS_FINITEL
1213# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1214# endif
1215# endif
65202027 1216#else
2d4389e4 1217# define NV_DIG DBL_DIG
d6c14000
JH		 1218# ifdef DBL_MANT_DIG
1219# define NV_MANT_DIG DBL_MANT_DIG
1220# endif
06fc1729
JH		 1221# ifdef DBL_MIN
1222# define NV_MIN DBL_MIN
1223# endif
1224# ifdef DBL_MAX
1225# define NV_MAX DBL_MAX
1226# endif
1227# ifdef DBL_MIN_10_EXP
1228# define NV_MIN_10_EXP DBL_MIN_10_EXP
1229# endif
1230# ifdef DBL_MAX_10_EXP
1231# define NV_MAX_10_EXP DBL_MAX_10_EXP
1232# endif
1233# ifdef DBL_EPSILON
1234# define NV_EPSILON DBL_EPSILON
1235# endif
f4a14a62
JH		 1236# ifdef DBL_MAX
1237# define NV_MAX DBL_MAX
1238# define NV_MIN DBL_MIN
1239# else
1240# ifdef HUGE_VAL
1241# define NV_MAX HUGE_VAL
1242# endif
1243# endif
65202027
DS		 1244# define Perl_cos cos
1245# define Perl_sin sin
1246# define Perl_sqrt sqrt
1247# define Perl_exp exp
1248# define Perl_log log
1249# define Perl_atan2 atan2
1250# define Perl_pow pow
1251# define Perl_floor floor
65202027 1252# define Perl_fmod fmod
a3540c92 1253# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1254# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1255#endif
1256
1257/* rumor has it that Win32 has _fpclass() */
1258
1259#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1260# ifdef I_IEEFP
1261# include <ieeefp.h>
1262# endif
1263# ifdef I_FP
1264# include <fp.h>
1265# endif
1266# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1267# define Perl_fp_class() fpclassl(x)
1268# else
1269# define Perl_fp_class() fpclass(x)
1270# endif
1271# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1272# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1273# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1274# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1275# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1276# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1277# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1278# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1279# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1280# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1281# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1282# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1283# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1284# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1285# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1286#endif
1287
1288#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
1289# include <math.h>
1290# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1291# include <fp_class.h>
1292# endif
1293# define Perl_fp_class(x) fp_class(x)
1294# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1295# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1296# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1297# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1298# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1299# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1300# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1301# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1302# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1303# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1304# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1305# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1306# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1307# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1308# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1309#endif
1310
1311#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1312# include <math.h>
1313# define Perl_fp_class(x) fpclassify(x)
1314# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN|FP|_fp_classify(x)==QNAN)
1315# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1316# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1317# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1318# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1319#endif
1320
1321#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1322# include <math.h>
1323# ifndef _cplusplus
1324# define Perl_fp_class(x) class(x)
1325# else
1326# define Perl_fp_class(x) _class(x)
1327# endif
1328# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1329# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1330# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1331# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1332# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1333# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1334# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1335# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1336# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1337# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1338# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1339# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1340# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1341# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1342# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1343#endif
1344
1345/* rumor has it that Win32 has _isnan() */
1346
1347#ifndef Perl_isnan
a3540c92 1348# ifdef HAS_ISNAN
758a5d79
JH		 1349# define Perl_isnan(x) isnan((NV)x)
1350# else
1351# ifdef Perl_fp_class_nan
1352# define Perl_isnan(x) Perl_fp_class_nan(x)
1353# else
1354# ifdef HAS_UNORDERED
1355# define Perl_isnan(x) unordered((x), 0.0)
1356# else
1357# define Perl_isnan(x) ((x)!=(x))
1358# endif
1359# endif
1360# endif
1361#endif
1362
1363#ifndef Perl_isinf
1364# ifdef HAS_ISINF
1365# define Perl_isinf(x) isinf((NV)x)
a3540c92 1366# else
758a5d79
JH		 1367# ifdef Perl_fp_class_inf
1368# define Perl_isinf(x) Perl_fp_class_inf(x)
1369# else
1370# define Perl_isinf(x) ((x)==NV_INF)
1371# endif
1372# endif
1373#endif
1374
1375#ifndef Perl_isfinite
1376# ifdef HAS_FINITE
1377# define Perl_isfinite(x) finite((NV)x)
1378# else
1379# ifdef HAS_ISFINITE
1380# define Perl_isfinite(x) isfinite(x)
1381# else
1382# ifdef Perl_fp_class_finite
1383# define Perl_isfinite(x) Perl_fp_class_finite(x)
1384# else
1385# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1386# endif
1387# endif
a3540c92 1388# endif
65202027
DS		 1389#endif
1390
1f727ac0
HS		 1391#define Perl_atof(s) Perl_my_atof(s)
1392#define Perl_atof2(s, np) Perl_my_atof2(s, np)
cf2093f6 1393
d460ef45 1394/* Previously these definitions used hardcoded figures.
760ac839
LW		 1395 * It is hoped these formula are more portable, although
1396 * no data one way or another is presently known to me.
1397 * The "PERL_" names are used because these calculated constants
1398 * do not meet the ANSI requirements for LONG_MAX, etc., which
1399 * need to be constants acceptable to #if - kja
1400 * define PERL_LONG_MAX 2147483647L
1401 * define PERL_LONG_MIN (-LONG_MAX - 1)
1402 * define PERL ULONG_MAX 4294967295L
1403 */
1404
1405#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1406# include <limits.h>
1407#else
1408#ifdef I_VALUES
1409# include <values.h>
1410#endif
1411#endif
1412
99abf803 1413/*
1414 * Try to figure out max and min values for the integral types. THE CORRECT
1415 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1416 * following hacks are used if neither limits.h or values.h provide them:
1417 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1418 * for types < int: (unsigned TYPE)~(unsigned)0
1419 * The argument to ~ must be unsigned so that later signed->unsigned
1420 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1421 * and it must not be smaller than int because ~ does integral promotion.
1422 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1423 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1424 * The latter is a hack which happens to work on some machines but
1425 * does *not* catch any random system, or things like integer types
1426 * with NaN if that is possible.
1427 *
1428 * All of the types are explicitly cast to prevent accidental loss of
1429 * numeric range, and in the hope that they will be less likely to confuse
1430 * over-eager optimizers.
1431 *
1432 */
27d4fb96 1433
99abf803 1434#define PERL_UCHAR_MIN ((unsigned char)0)
1435
1436#ifdef UCHAR_MAX
1437# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1438#else
99abf803 1439# ifdef MAXUCHAR
1440# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1441# else
99abf803 1442# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1443# endif
1444#endif
d460ef45 1445
99abf803 1446/*
1447 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1448 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1449 * depending on local options. Until Configure detects this (or at least
1450 * detects whether the "signed" keyword is available) the CHAR ranges
1451 * will not be included. UCHAR functions normally.
1452 * - kja
1453 */
27d4fb96 1454
99abf803 1455#define PERL_USHORT_MIN ((unsigned short)0)
1456
1457#ifdef USHORT_MAX
1458# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1459#else
99abf803 1460# ifdef MAXUSHORT
1461# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1462# else
ef2f54b0
CB		 1463# ifdef USHRT_MAX
1464# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1465# else
1466# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1467# endif
27d4fb96 1468# endif
1469#endif
1470
27d4fb96 1471#ifdef SHORT_MAX
99abf803 1472# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1473#else
1474# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1475# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1476# else
ef2f54b0
CB		 1477# ifdef SHRT_MAX
1478# define PERL_SHORT_MAX ((short)SHRT_MAX)
1479# else
1480# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1481# endif
27d4fb96 1482# endif
1483#endif
1484
1485#ifdef SHORT_MIN
99abf803 1486# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1487#else
1488# ifdef MINSHORT
99abf803 1489# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1490# else
ef2f54b0
CB		 1491# ifdef SHRT_MIN
1492# define PERL_SHORT_MIN ((short)SHRT_MIN)
1493# else
1494# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1495# endif
27d4fb96 1496# endif
1497#endif
1498
99abf803 1499#ifdef UINT_MAX
1500# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1501#else
99abf803 1502# ifdef MAXUINT
1503# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1504# else
99abf803 1505# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1506# endif
1507#endif
1508
99abf803 1509#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1510
1511#ifdef INT_MAX
99abf803 1512# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1513#else
1514# ifdef MAXINT /* Often used in <values.h> */
99abf803 1515# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1516# else
99abf803 1517# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1518# endif
1519#endif
1520
1521#ifdef INT_MIN
99abf803 1522# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1523#else
1524# ifdef MININT
99abf803 1525# define PERL_INT_MIN ((int)MININT)
27d4fb96 1526# else
1527# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1528# endif
1529#endif
1530
99abf803 1531#ifdef ULONG_MAX
1532# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1533#else
99abf803 1534# ifdef MAXULONG
1535# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1536# else
99abf803 1537# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1538# endif
1539#endif
1540
99abf803 1541#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1542
760ac839 1543#ifdef LONG_MAX
99abf803 1544# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1545#else
1546# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1547# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1548# else
99abf803 1549# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1550# endif
1551#endif
1552
1553#ifdef LONG_MIN
99abf803 1554# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1555#else
1556# ifdef MINLONG
99abf803 1557# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1558# else
27d4fb96 1559# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1560# endif
1561#endif
1562
d7d93a81 1563#ifdef UV_IS_QUAD
99abf803 1564
99abf803 1565# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1566# define PERL_UQUAD_MIN ((UV)0)
99abf803 1567# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1568# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1569
79072805
LW		 1570#endif
1571
880b20b6
IZ		 1572struct perl_mstats {
1573 UV *nfree;
1574 UV *ntotal;
1575 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1576 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1577 IV minbucket;
1578 /* Level 1 info */
1579 UV *bucket_mem_size;
1580 UV *bucket_available_size;
1581 UV nbuckets;
1582};
830247a4 1583struct RExC_state_t;
880b20b6 1584
ee0007ab 1585typedef MEM_SIZE STRLEN;
450a55e4 1586
79072805
LW		 1587typedef struct op OP;
1588typedef struct cop COP;
1589typedef struct unop UNOP;
1590typedef struct binop BINOP;
1591typedef struct listop LISTOP;
1592typedef struct logop LOGOP;
79072805
LW		 1593typedef struct pmop PMOP;
1594typedef struct svop SVOP;
7934575e 1595typedef struct padop PADOP;
79072805 1596typedef struct pvop PVOP;
79072805
LW		 1597typedef struct loop LOOP;
1598
93a17b20 1599typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1600
1601/* Amdahl's <ksync.h> has struct sv */
1602/* SGI's <sys/sema.h> has struct sv */
1603#if defined(UTS) || defined(__sgi)
1604# define STRUCT_SV perl_sv
b8d3c5db
JH		 1605#else
1606# define STRUCT_SV sv
1607#endif
1608typedef struct STRUCT_SV SV;
79072805
LW		 1609typedef struct av AV;
1610typedef struct hv HV;
1611typedef struct cv CV;
378cc40b 1612typedef struct regexp REGEXP;
79072805 1613typedef struct gp GP;
0c30d9ec 1614typedef struct gv GV;
8990e307 1615typedef struct io IO;
c09156bb 1616typedef struct context PERL_CONTEXT;
79072805
LW		 1617typedef struct block BLOCK;
1618
1619typedef struct magic MAGIC;
ed6116ce 1620typedef struct xrv XRV;
79072805
LW		 1621typedef struct xpv XPV;
1622typedef struct xpviv XPVIV;
ff68c719 1623typedef struct xpvuv XPVUV;
79072805
LW		 1624typedef struct xpvnv XPVNV;
1625typedef struct xpvmg XPVMG;
1626typedef struct xpvlv XPVLV;
1627typedef struct xpvav XPVAV;
1628typedef struct xpvhv XPVHV;
1629typedef struct xpvgv XPVGV;
1630typedef struct xpvcv XPVCV;
1631typedef struct xpvbm XPVBM;
1632typedef struct xpvfm XPVFM;
8990e307 1633typedef struct xpvio XPVIO;
79072805
LW		 1634typedef struct mgvtbl MGVTBL;
1635typedef union any ANY;
5f7fde29
GS		 1636typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1637typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1638typedef struct clone_params CLONE_PARAMS;
1639
8d063cd8 1640
378cc40b 1641#include "handy.h"
a0d0e21e 1642
6b8eaf93 1643#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1644# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1645# define USE_64_BIT_RAWIO /* implicit */
1646# endif
4564133c
JH		 1647#endif
1648
6b8eaf93
JH		 1649/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1650 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1651 * however, because operating systems like to do that themself. */
1652#ifndef FSEEKSIZE
1653# ifdef HAS_FSEEKO
1654# define FSEEKSIZE LSEEKSIZE
1655# else
1656# define FSEEKSIZE LONGSIZE
d460ef45 1657# endif
6b8eaf93
JH		 1658#endif
1659
1660#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1661# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1662# define USE_64_BIT_STDIO /* implicit */
1663# endif
1664#endif
4564133c 1665
09458382 1666#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1667# ifdef HAS_OFF64_T
1668# undef Off_t
1669# define Off_t off64_t
1670# undef LSEEKSIZE
1671# define LSEEKSIZE 8
5ff3f7a4 1672# endif
d9b3e12d
JH		 1673/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1674 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1675 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1676# if defined(USE_OPEN64)
1677# define open open64
5ff3f7a4 1678# endif
d9b3e12d
JH		 1679# if defined(USE_LSEEK64)
1680# define lseek lseek64
6b8eaf93
JH		 1681# else
1682# if defined(USE_LLSEEK)
1683# define lseek llseek
1684# endif
d9b3e12d
JH		 1685# endif
1686# if defined(USE_STAT64)
1687# define stat stat64
1688# endif
1689# if defined(USE_FSTAT64)
1690# define fstat fstat64
1691# endif
1692# if defined(USE_LSTAT64)
1693# define lstat lstat64
1694# endif
1695# if defined(USE_FLOCK64)
1696# define flock flock64
1697# endif
1698# if defined(USE_LOCKF64)
1699# define lockf lockf64
1700# endif
1701# if defined(USE_FCNTL64)
1702# define fcntl fcntl64
1703# endif
1704# if defined(USE_TRUNCATE64)
1705# define truncate truncate64
1706# endif
1707# if defined(USE_FTRUNCATE64)
1708# define ftruncate ftruncate64
1709# endif
1710#endif
1711
1712#ifdef USE_64_BIT_STDIO
1713# ifdef HAS_FPOS64_T
1714# undef Fpos_t
1715# define Fpos_t fpos64_t
1716# endif
1717/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1718 * will trigger defines like the ones below. Some 64-bit environments,
1719 * however, do not. */
1720# if defined(USE_FOPEN64)
1721# define fopen fopen64
1722# endif
1723# if defined(USE_FSEEK64)
6b8eaf93 1724# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1725# endif
1726# if defined(USE_FTELL64)
6b8eaf93 1727# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1728# endif
1729# if defined(USE_FSETPOS64)
1730# define fsetpos fsetpos64
1731# endif
1732# if defined(USE_FGETPOS64)
1733# define fgetpos fgetpos64
1734# endif
1735# if defined(USE_TMPFILE64)
1736# define tmpfile tmpfile64
1737# endif
1738# if defined(USE_FREOPEN64)
1739# define freopen freopen64
5ff3f7a4
GS		 1740# endif
1741#endif
1742
af8b425d 1743#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1744# include "iperlsys.h"
1745#endif
1746
6f71a643
JH		 1747#if defined(__OPEN_VM)
1748# include "vmesa/vmesaish.h"
1749#endif
1750
748a9306 1751#ifdef DOSISH
4633a7c4
LW		 1752# if defined(OS2)
1753# include "os2ish.h"
1754# else
748a9306 1755# include "dosish.h"
4633a7c4 1756# endif
a0d0e21e 1757#else
748a9306
LW		 1758# if defined(VMS)
1759# include "vmsish.h"
96e176bf 1760# include "embed.h"
748a9306 1761# else
0c30d9ec 1762# if defined(PLAN9)
1763# include "./plan9/plan9ish.h"
1764# else
1d84e8df
JH		 1765# if defined(MPE)
1766# include "mpeix/mpeixish.h"
1767# else
495c5fdc
PG		 1768# if defined(__VOS__)
1769# include "vosish.h"
1770# else
4d2c4e07
OF		 1771# if defined(EPOC)
1772# include "epocish.h"
1773# else
cd39f2b6
JH		 1774# if defined(MACOS_TRADITIONAL)
1775# include "macos/macish.h"
2b3f4ecd
JH		 1776# ifndef NO_ENVIRON_ARRAY
1777# define NO_ENVIRON_ARRAY
1778# endif
cd39f2b6
JH		 1779# else
1780# include "unixish.h"
1781# endif
4d2c4e07 1782# endif
495c5fdc 1783# endif
1d84e8df 1784# endif
0c30d9ec 1785# endif
748a9306 1786# endif
13b6e58c
JH		 1787#endif
1788
1789#ifndef NO_ENVIRON_ARRAY
1790# define USE_ENVIRON_ARRAY
1791#endif
32f822de 1792
103a7189
JH		 1793#ifdef JPL
1794 /* E.g. JPL needs to operate on a copy of the real environment.
1795 * JDK 1.2 and 1.3 seem to get upset if the original environment
1796 * is diddled with. */
1797# define NEED_ENVIRON_DUP_FOR_MODIFY
1798#endif
1799
c77b533b
JH		 1800/*
1801 * initialise to avoid floating-point exceptions from overflow, etc
1802 */
1803#ifndef PERL_FPU_INIT
1804# ifdef HAS_FPSETMASK
1805# if HAS_FLOATINGPOINT_H
1806# include <floatingpoint.h>
1807# endif
1808# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1809# else
7014c407
JH		 1810# if defined(SIGFPE) && defined(SIG_IGN)
1811# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1812# else
1813# define PERL_FPU_INIT
1814# endif
c77b533b
JH		 1815# endif
1816#endif
1817
ed344e4f
IZ		 1818#ifndef PERL_SYS_INIT3
1819# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1820#endif
1821
be708cc0
JH		 1822#ifndef PERL_WRITE_MSG_TO_CONSOLE
1823# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1824#endif
1825
0f31cffe
GS		 1826#ifndef MAXPATHLEN
1827# ifdef PATH_MAX
b990c8b2
JH		 1828# ifdef _POSIX_PATH_MAX
1829# if PATH_MAX > _POSIX_PATH_MAX
1830/* MAXPATHLEN is supposed to include the final null character,
1831 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1832# define MAXPATHLEN (PATH_MAX+1)
1833# else
1834# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1835# endif
1836# else
1837# define MAXPATHLEN (PATH_MAX+1)
1838# endif
0f31cffe 1839# else
b990c8b2
JH		 1840# ifdef _POSIX_PATH_MAX
1841# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1842# else
1843# define MAXPATHLEN 1024 /* Err on the large side. */
1844# endif
0f31cffe
GS		 1845# endif
1846#endif
1847
d460ef45 1848/*
4d1ff10f 1849 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1850 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1851 * this results in many functions being undeclared which bothers C++
1852 * May make sense to have threads after "*ish.h" anyway
1853 */
1854
4d1ff10f
AB		 1855#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
1856# if defined(USE_5005THREADS)
79d59c5f
GS		 1857 /* pending resolution of licensing issues, we avoid the erstwhile
1858 * atomic.h everywhere */
1859# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1860# endif
2986a63f
JH		 1861# ifdef NETWARE
1862# include <nw5thread.h>
1863# else
32f822de
GS		 1864# ifdef FAKE_THREADS
1865# include "fakethr.h"
1866# else
1867# ifdef WIN32
1868# include <win32thread.h>
1869# else
dd96f567
IZ		 1870# ifdef OS2
1871# include "os2thread.h"
1872# else
7f3d1cf1 1873# ifdef I_MACH_CTHREADS
bdd66968 1874# include <mach/cthreads.h>
8f1f23e8 1875# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 1876# define MUTEX_INIT_CALLS_MALLOC
1877# endif
7f3d1cf1
BH		 1878typedef cthread_t perl_os_thread;
1879typedef mutex_t perl_mutex;
1880typedef condition_t perl_cond;
1881typedef void * perl_key;
1882# else /* Posix threads */
1f5ae88c
JH		 1883# ifdef I_PTHREAD
1884# include <pthread.h>
1885# endif
7f3d1cf1
BH		 1886typedef pthread_t perl_os_thread;
1887typedef pthread_mutex_t perl_mutex;
1888typedef pthread_cond_t perl_cond;
1889typedef pthread_key_t perl_key;
1890# endif /* I_MACH_CTHREADS */
dd96f567 1891# endif /* OS2 */
32f822de
GS		 1892# endif /* WIN32 */
1893# endif /* FAKE_THREADS */
2986a63f 1894#endif /* NETWARE */
4d1ff10f 1895#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 1896
66a93824 1897#if defined(WIN32)
1feb2720 1898# include "win32.h"
c5be433b
GS		 1899#endif
1900
2986a63f
JH		 1901#ifdef NETWARE
1902# include "netware.h"
1903#endif
1904
68dc0745 1905#ifdef VMS
6b88bc9c 1906# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 1907# define STATUS_NATIVE_EXPORT \
d98f61e7 1908 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 1909# define STATUS_NATIVE_SET(n) \
1910 STMT_START { \
6b88bc9c
GS		 1911 PL_statusvalue_vms = (n); \
1912 if ((I32)PL_statusvalue_vms == -1) \
3280af22 1913 PL_statusvalue = -1; \
6b88bc9c 1914 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 1915 PL_statusvalue = 0; \
6b88bc9c
GS		 1916 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
1917 PL_statusvalue = 1 << 8; \
68dc0745 1918 else \
6b88bc9c 1919 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 1920 } STMT_END
3280af22 1921# define STATUS_POSIX PL_statusvalue
68dc0745 1922# ifdef VMSISH_STATUS
1923# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1924# else
1925# define STATUS_CURRENT STATUS_POSIX
1926# endif
1927# define STATUS_POSIX_SET(n) \
1928 STMT_START { \
3280af22
NIS		 1929 PL_statusvalue = (n); \
1930 if (PL_statusvalue != -1) { \
1931 PL_statusvalue &= 0xFFFF; \
6b88bc9c 1932 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 1933 } \
6b88bc9c 1934 else PL_statusvalue_vms = -1; \
68dc0745 1935 } STMT_END
6b88bc9c
GS		 1936# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
1937# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 1938#else
1939# define STATUS_NATIVE STATUS_POSIX
1940# define STATUS_NATIVE_EXPORT STATUS_POSIX
1941# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 1942# define STATUS_POSIX PL_statusvalue
68dc0745 1943# define STATUS_POSIX_SET(n) \
1944 STMT_START { \
3280af22
NIS		 1945 PL_statusvalue = (n); \
1946 if (PL_statusvalue != -1) \
1947 PL_statusvalue &= 0xFFFF; \
68dc0745 1948 } STMT_END
1949# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 1950# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
1951# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 1952#endif
1953
cc3604b1
GS		 1954/* flags in PL_exit_flags for nature of exit() */
1955#define PERL_EXIT_EXPECTED 0x01
31d77e54 1956#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 1957
0b94c7bb 1958#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 1959# define MEMBER_TO_FPTR(name) name
1960#endif
1961
1962/* format to use for version numbers in file/directory names */
273cf8d1 1963/* XXX move to Configure? */
a7cb1f99 1964#ifndef PERL_FS_VER_FMT
273cf8d1 1965# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 1966#endif
1967
45bc9206 1968/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 1969 * performance issue, so we allow people to disable it. Also, if
1970 * we are using stdio, there are broken implementations of fflush(NULL)
1971 * out there, Solaris being the most prominent.
45bc9206
GS		 1972 */
1973#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 1974# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 1975# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 1976# else
1977# ifdef FFLUSH_ALL
1978# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 1979# else
c5be433b 1980# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 1981# endif
66fe083f 1982# endif
45bc9206
GS		 1983#endif
1984
7766f137
GS		 1985#ifndef PERL_WAIT_FOR_CHILDREN
1986# define PERL_WAIT_FOR_CHILDREN NOOP
1987#endif
1988
ba869deb 1989/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 1990#ifndef PERL_SET_INTERP
1991# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
1992#endif
1993
1994#ifndef PERL_GET_INTERP
1995# define PERL_GET_INTERP (PL_curinterp)
1996#endif
1997
54aff467 1998#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 1999# ifdef USE_5005THREADS
ba869deb 2000# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS		 2001# else
2002# ifdef MULTIPLICITY
ba869deb 2003# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS		 2004# endif
2005# endif
ba869deb
GS		 2006# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2007#endif
2008
894356b3
GS		 2009#ifndef SVf
2010# ifdef CHECK_FORMAT
2011# define SVf "p"
2012# else
2013# define SVf "_"
d460ef45 2014# endif
894356b3
GS		 2015#endif
2016
d2560b70
RB		 2017#ifndef UVf
2018# ifdef CHECK_FORMAT
2019# define UVf UVuf
2020# else
2021# define UVf "Vu"
d460ef45 2022# endif
d2560b70
RB		 2023#endif
2024
2025#ifndef VDf
2026# ifdef CHECK_FORMAT
2027# define VDf "p"
2028# else
2029# define VDf "vd"
d460ef45 2030# endif
d2560b70
RB		 2031#endif
2032
b3fe4827
RB		 2033#ifndef Nullformat
2034# ifdef CHECK_FORMAT
2035# define Nullformat "%s",""
2036# else
2037# define Nullformat Nullch
2038# endif
2039#endif
2040
3fc1aec6 2041/* Some unistd.h's give a prototype for pause() even though
2042 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2043 below to be rejected by the compiler. Sigh.
3fc1aec6 2044*/
2045#ifdef HAS_PAUSE
2046#define Pause pause
2047#else
2048#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2049#endif
2050
2051#ifndef IOCPARM_LEN
2052# ifdef IOCPARM_MASK
2053 /* on BSDish systes we're safe */
2054# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2055# else
2056 /* otherwise guess at what's safe */
2057# define IOCPARM_LEN(x) 256
2058# endif
a0d0e21e
LW		 2059#endif
2060
1761cee5 2061#if defined(__CYGWIN__)
521e0776
GS		 2062/* USEMYBINMODE
2063 * This symbol, if defined, indicates that the program should
16fe6d59 2064 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2065 * that a file is in "binary" mode -- that is, that no translation
2066 * of bytes occurs on read or write operations.
2067 */
2068# define USEMYBINMODE / **/
16fe6d59
GS		 2069# define my_binmode(fp, iotype, mode) \
2070 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2071#endif
2072
cea2e8a9
GS		 2073#ifdef UNION_ANY_DEFINITION
2074UNION_ANY_DEFINITION;
2075#else
2076union any {
2077 void* any_ptr;
2078 I32 any_i32;
2079 IV any_iv;
2080 long any_long;
c76ac1ee 2081 void (*any_dptr) (void*);
acfe0abc 2082 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2083};
2084#endif
2085
4d1ff10f 2086#ifdef USE_5005THREADS
cea2e8a9
GS		 2087#define ARGSproto struct perl_thread *thr
2088#else
2089#define ARGSproto
4d1ff10f 2090#endif /* USE_5005THREADS */
cea2e8a9 2091
acfe0abc 2092typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2093
2094#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2095#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2096#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2097
af8b425d 2098#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2099# include "iperlsys.h"
2100#endif
378cc40b 2101#include "regexp.h"
79072805 2102#include "sv.h"
378cc40b 2103#include "util.h"
8d063cd8 2104#include "form.h"
79072805
LW		 2105#include "gv.h"
2106#include "cv.h"
abdd5c84 2107#include "opnames.h"
79072805
LW		 2108#include "op.h"
2109#include "cop.h"
2110#include "av.h"
2111#include "hv.h"
2112#include "mg.h"
2113#include "scope.h"
4438c4b7 2114#include "warnings.h"
a0ed51b3 2115#include "utf8.h"
cd1ee231 2116#include "sharedsv.h"
8d063cd8 2117
7fae4e64
GS		 2118/* Current curly descriptor */
2119typedef struct curcur CURCUR;
2120struct curcur {
2121 int parenfloor; /* how far back to strip paren data */
2122 int cur; /* how many instances of scan we've matched */
2123 int min; /* the minimal number of scans to match */
2124 int max; /* the maximal number of scans to match */
2125 int minmod; /* whether to work our way up or down */
2126 regnode * scan; /* the thing to match */
2127 regnode * next; /* what has to match after it */
2128 char * lastloc; /* where we started matching this scan */
2129 CURCUR * oldcc; /* current curly before we started this one */
2130};
2131
2132typedef struct _sublex_info SUBLEXINFO;
2133struct _sublex_info {
2134 I32 super_state; /* lexer state to save */
2135 I32 sub_inwhat; /* "lex_inwhat" to use */
2136 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2137 char *super_bufptr; /* PL_bufptr that was */
2138 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2139};
2140
455ece5e 2141typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2142
2c2d71f5 2143struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2144struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2145
2146typedef I32 CHECKPOINT;
76e3520e 2147
5f7fde29
GS		 2148struct ptr_tbl_ent {
2149 struct ptr_tbl_ent* next;
2150 void* oldval;
2151 void* newval;
d18c6117
GS		 2152};
2153
5f7fde29
GS		 2154struct ptr_tbl {
2155 struct ptr_tbl_ent** tbl_ary;
2156 UV tbl_max;
2157 UV tbl_items;
d18c6117
GS		 2158};
2159
450a55e4 2160#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2161# define I286
2162#endif
2163
fe14fcc3
LW		 2164#if defined(htonl) && !defined(HAS_HTONL)
2165#define HAS_HTONL
ae986130 2166#endif
fe14fcc3
LW		 2167#if defined(htons) && !defined(HAS_HTONS)
2168#define HAS_HTONS
ae986130 2169#endif
fe14fcc3
LW		 2170#if defined(ntohl) && !defined(HAS_NTOHL)
2171#define HAS_NTOHL
ae986130 2172#endif
fe14fcc3
LW		 2173#if defined(ntohs) && !defined(HAS_NTOHS)
2174#define HAS_NTOHS
ae986130 2175#endif
fe14fcc3 2176#ifndef HAS_HTONL
d9d8d8de 2177#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2178#define HAS_HTONS
2179#define HAS_HTONL
2180#define HAS_NTOHS
2181#define HAS_NTOHL
a687059c
LW		 2182#define MYSWAP
2183#define htons my_swap
2184#define htonl my_htonl
2185#define ntohs my_swap
2186#define ntohl my_ntohl
2187#endif
2188#else
d9d8d8de 2189#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2190#undef HAS_HTONS
2191#undef HAS_HTONL
2192#undef HAS_NTOHS
2193#undef HAS_NTOHL
a687059c
LW		 2194#endif
2195#endif
2196
988174c1
LW		 2197/*
2198 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2199 * -DWS
2200 */
2201#if BYTEORDER != 0x1234
2202# define HAS_VTOHL
2203# define HAS_VTOHS
2204# define HAS_HTOVL
2205# define HAS_HTOVS
c67712b2 2206# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2207# define vtohl(x) ((((x)&0xFF)<<24) \
2208 +(((x)>>24)&0xFF) \
2209 +(((x)&0x0000FF00)<<8) \
2210 +(((x)&0x00FF0000)>>8) )
2211# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2212# define htovl(x) vtohl(x)
2213# define htovs(x) vtohs(x)
2214# endif
2215 /* otherwise default to functions in util.c */
2216#endif
2217
3bb7c1b4
JH		 2218/* *MAX Plus 1. A floating point value.
2219 Hopefully expressed in a way that dodgy floating point can't mess up.
2220 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2221 is added to it
2222 May find that some broken compiler will want the value cast to I32.
2223 [after the shift, as signed >> may not be as secure as unsigned >>]
2224*/
2225#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2226#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2227/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2228 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2229 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2230*/
2231#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2232
3bb7c1b4
JH		 2233#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2234#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2235#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2236
2237/* This may look like unnecessary jumping through hoops, but converting
2238 out of range floating point values to integers *is* undefined behaviour,
2239 and it is starting to bite.
2240*/
2241#ifndef CAST_INLINE
65202027 2242#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2243#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2244#define I_V(what) (cast_iv((NV)(what)))
2245#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2246#else
2247#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2248 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2249 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2250#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2251 : ((n) < U32_MAX_P1 ? (U32) (n) \
2252 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2253#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2254 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2255 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2256#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2257 : ((n) < UV_MAX_P1 ? (UV) (n) \
2258 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2259#endif
2260
2261#define U_S(what) ((U16)U_32(what))
2262#define U_I(what) ((unsigned int)U_32(what))
2263#define U_L(what) U_32(what)
ed6116ce 2264
2d4389e4
JH		 2265/* These do not care about the fractional part, only about the range. */
2266#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2267#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2268
25da4f38
IZ		 2269/* Used with UV/IV arguments: */
2270 /* XXXX: need to speed it up */
2271#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2272#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2273
352d5a3a
LW		 2274#ifndef MAXSYSFD
2275# define MAXSYSFD 2
2276#endif
ee0007ab 2277
79072805 2278#ifndef __cplusplus
e1caacb4 2279#ifndef UNDER_CE
20ce7b12
GS		 2280Uid_t getuid (void);
2281Uid_t geteuid (void);
2282Gid_t getgid (void);
2283Gid_t getegid (void);
79072805 2284#endif
e1caacb4 2285#endif
8d063cd8 2286
0c30d9ec 2287#ifndef Perl_debug_log
bf49b057
GS		 2288# define Perl_debug_log PerlIO_stderr()
2289#endif
2290
2291#ifndef Perl_error_log
2292# define Perl_error_log (PL_stderrgv \
01bb7c6d 2293 && GvIOp(PL_stderrgv) \
42de951c 2294 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2295 ? IoOFP(GvIOp(PL_stderrgv)) \
2296 : PerlIO_stderr())
0c30d9ec 2297#endif
3967c732 2298
aea4f609
DM		 2299
2300#define DEBUG_p_FLAG 0x00000001 /* 1 */
2301#define DEBUG_s_FLAG 0x00000002 /* 2 */
2302#define DEBUG_l_FLAG 0x00000004 /* 4 */
2303#define DEBUG_t_FLAG 0x00000008 /* 8 */
2304#define DEBUG_o_FLAG 0x00000010 /* 16 */
2305#define DEBUG_c_FLAG 0x00000020 /* 32 */
2306#define DEBUG_P_FLAG 0x00000040 /* 64 */
2307#define DEBUG_m_FLAG 0x00000080 /* 128 */
2308#define DEBUG_f_FLAG 0x00000100 /* 256 */
2309#define DEBUG_r_FLAG 0x00000200 /* 512 */
2310#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2311#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2312#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2313#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2314#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2315#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2316#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2317#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8
DM		 2318#define DEBUG_R_FLAG 0x00040000 /* 262144 */
2319#define DEBUG_MASK 0x0007FFFF /* mask of all the standard flags */
aea4f609
DM		 2320
2321#define DEBUG_DB_RECURSE_FLAG 0x40000000
2322#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? */
2323
2324
3967c732 2325#ifdef DEBUGGING
aea4f609
DM		 2326
2327# undef YYDEBUG
2328# define YYDEBUG 1
2329
2330# define DEBUG_p_TEST (PL_debug & DEBUG_p_FLAG)
2331# define DEBUG_s_TEST (PL_debug & DEBUG_s_FLAG)
2332# define DEBUG_l_TEST (PL_debug & DEBUG_l_FLAG)
2333# define DEBUG_t_TEST (PL_debug & DEBUG_t_FLAG)
2334# define DEBUG_o_TEST (PL_debug & DEBUG_o_FLAG)
2335# define DEBUG_c_TEST (PL_debug & DEBUG_c_FLAG)
2336# define DEBUG_P_TEST (PL_debug & DEBUG_P_FLAG)
2337# define DEBUG_m_TEST (PL_debug & DEBUG_m_FLAG)
2338# define DEBUG_f_TEST (PL_debug & DEBUG_f_FLAG)
2339# define DEBUG_r_TEST (PL_debug & DEBUG_r_FLAG)
2340# define DEBUG_x_TEST (PL_debug & DEBUG_x_FLAG)
2341# define DEBUG_u_TEST (PL_debug & DEBUG_u_FLAG)
2342# define DEBUG_L_TEST (PL_debug & DEBUG_L_FLAG)
2343# define DEBUG_H_TEST (PL_debug & DEBUG_H_FLAG)
2344# define DEBUG_X_TEST (PL_debug & DEBUG_X_FLAG)
2345# define DEBUG_D_TEST (PL_debug & DEBUG_D_FLAG)
2346# define DEBUG_S_TEST (PL_debug & DEBUG_S_FLAG)
2347# define DEBUG_T_TEST (PL_debug & DEBUG_T_FLAG)
04932ac8 2348# define DEBUG_R_TEST (PL_debug & DEBUG_R_FLAG)
aea4f609
DM		 2349
2350# define DEB(a) a
2351# define DEBUG(a) if (PL_debug) a
2352# define DEBUG_p(a) if (DEBUG_p_TEST) a
2353# define DEBUG_s(a) if (DEBUG_s_TEST) a
2354# define DEBUG_l(a) if (DEBUG_l_TEST) a
2355# define DEBUG_t(a) if (DEBUG_t_TEST) a
2356# define DEBUG_o(a) if (DEBUG_o_TEST) a
2357# define DEBUG_c(a) if (DEBUG_c_TEST) a
2358# define DEBUG_P(a) if (DEBUG_P_TEST) a
2359
969058bb
VK		 2360 /* Temporarily turn off memory debugging in case the a
2361 * does memory allocation, either directly or indirectly. */
acfe0abc 2362# define DEBUG_m(a) \
0b250b9e 2363 STMT_START { \
aea4f609 2364 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2365 } STMT_END
aea4f609 2366
5f80b19c
AMS		 2367# define DEBUG__(t, a) \
2368 STMT_START { \
2369 if (t) STMT_START {a;} STMT_END; \
2370 } STMT_END
2371
2372# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2373# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2374# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2375# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2376# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2377# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2378# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2379# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2380
4d1ff10f 2381# ifdef USE_5005THREADS
5f80b19c 2382# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ		 2383# else
2384# define DEBUG_S(a)
2385# endif
aea4f609 2386
5f80b19c
AMS		 2387# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2388# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
aea4f609
DM		 2389
2390#else /* DEBUGGING */
2391
2392# define DEBUG_p_TEST (0)
2393# define DEBUG_s_TEST (0)
2394# define DEBUG_l_TEST (0)
2395# define DEBUG_t_TEST (0)
2396# define DEBUG_o_TEST (0)
2397# define DEBUG_c_TEST (0)
2398# define DEBUG_P_TEST (0)
2399# define DEBUG_m_TEST (0)
2400# define DEBUG_f_TEST (0)
2401# define DEBUG_r_TEST (0)
2402# define DEBUG_x_TEST (0)
2403# define DEBUG_u_TEST (0)
2404# define DEBUG_L_TEST (0)
2405# define DEBUG_H_TEST (0)
2406# define DEBUG_X_TEST (0)
2407# define DEBUG_D_TEST (0)
2408# define DEBUG_S_TEST (0)
2409# define DEBUG_T_TEST (0)
04932ac8 2410# define DEBUG_R_TEST (0)
aea4f609
DM		 2411
2412# define DEB(a)
2413# define DEBUG(a)
2414# define DEBUG_p(a)
2415# define DEBUG_s(a)
2416# define DEBUG_l(a)
2417# define DEBUG_t(a)
2418# define DEBUG_o(a)
2419# define DEBUG_c(a)
2420# define DEBUG_P(a)
2421# define DEBUG_m(a)
2422# define DEBUG_f(a)
2423# define DEBUG_r(a)
2424# define DEBUG_x(a)
2425# define DEBUG_u(a)
2426# define DEBUG_L(a)
2427# define DEBUG_H(a)
2428# define DEBUG_X(a)
2429# define DEBUG_D(a)
2430# define DEBUG_S(a)
2431# define DEBUG_T(a)
04932ac8 2432# define DEBUG_R(a)
aea4f609
DM		 2433#endif /* DEBUGGING */
2434
2435
14befaf4
DM		 2436/* These constants should be used in preference to to raw characters
2437 * when using magic. Note that some perl guts still assume
2438 * certain character properties of these constants, namely that
2439 * isUPPER() and toLOWER() may do useful mappings.
2440 *
2441 * Update the magic_names table in dump.c when adding/amending these
2442 */
2443
2444#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2445#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2446#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2447#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2448#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2449#define PERL_MAGIC_regdata 'D' /* Regex match position data
2450 (@+ and @- vars) */
2451#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2452#define PERL_MAGIC_env 'E' /* %ENV hash */
2453#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2454#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2455#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2456#define PERL_MAGIC_isa 'I' /* @ISA array */
2457#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2458#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2459#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2460#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
2461#define PERL_MAGIC_mutex 'm' /* ??? */
2462#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2463#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2464#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2465#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2466#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2467#define PERL_MAGIC_sig 'S' /* %SIG hash */
2468#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2469#define PERL_MAGIC_taint 't' /* Taintedness */
2470#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
2471#define PERL_MAGIC_vec 'v' /* vec() lvalue */
2472#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2473#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2474 smart parameter vivification */
2475#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2476#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2477#define PERL_MAGIC_pos '.' /* pos() lvalue */
2478#define PERL_MAGIC_backref '<' /* ??? */
2479#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2480
2481
fe14fcc3 2482#define YYMAXDEPTH 300
8d063cd8 2483
a6e633de 2484#ifndef assert /* <assert.h> might have been included somehow */
79072805
LW		 2485#define assert(what) DEB( { \
2486 if (!(what)) { \
cea2e8a9 2487 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2488 __FILE__, __LINE__); \
cea2e8a9 2489 PerlProc_exit(1); \
79072805 2490 }})
a6e633de 2491#endif
8d063cd8 2492
450a55e4 2493struct ufuncs {
24f81a43
DM		 2494 I32 (*uf_val)(pTHX_ IV, SV*);
2495 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2496 IV uf_index;
450a55e4
LW		 2497};
2498
14befaf4 2499/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2500 * XS code wanting to be backward compatible can do something
2501 * like the following:
c745e42c 2502
24f81a43 2503#ifndef PERL_MG_UFUNC
24f81a43
DM		 2504#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2505#endif
2506
2507static PERL_MG_UFUNC(foo_get, index, val)
2508{
2509 sv_setsv(val, ...);
2510 return TRUE;
2511}
2512
2513-- Doug MacEachern
2514
2515*/
2516
fc9c74e6 2517#ifndef PERL_MG_UFUNC
24f81a43 2518#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2519#endif
24f81a43 2520
fe14fcc3 2521/* Fix these up for __STDC__ */
68dc0745 2522#ifndef DONT_DECLARE_STD
20ce7b12 2523char *mktemp (char*);
37bd1396 2524#ifndef atof
20ce7b12 2525double atof (const char*);
a0d0e21e 2526#endif
37bd1396 2527#endif
79072805 2528
352d5a3a 2529#ifndef STANDARD_C
fe14fcc3 2530/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2531Time_t time();
8d063cd8 2532struct tm *gmtime(), *localtime();
092bebab 2533#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2534char *(strchr)(), *(strrchr)();
2535char *(strcpy)(), *(strcat)();
2536#else
93a17b20 2537char *strchr(), *strrchr();
378cc40b 2538char *strcpy(), *strcat();
9d116dd7 2539#endif
352d5a3a 2540#endif /* ! STANDARD_C */
8d063cd8 2541
79072805
LW		 2542
2543#ifdef I_MATH
2544# include <math.h>
2545#else
32f822de 2546START_EXTERN_C
20ce7b12
GS		 2547 double exp (double);
2548 double log (double);
2549 double log10 (double);
2550 double sqrt (double);
2551 double frexp (double,int*);
2552 double ldexp (double,int);
2553 double modf (double,double*);
2554 double sin (double);
2555 double cos (double);
2556 double atan2 (double,double);
2557 double pow (double,double);
32f822de 2558END_EXTERN_C
79072805
LW		 2559#endif
2560
aa8b85de
JH		 2561#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2562# define NV_INF LDBL_INFINITY
2563#endif
2564#if !defined(NV_INF) && defined(DBL_INFINITY)
2565# define NV_INF (NV)DBL_INFINITY
2566#endif
2567#if !defined(NV_INF) && defined(INFINITY)
2568# define NV_INF (NV)INFINITY
2569#endif
2570#if !defined(NV_INF) && defined(INF)
2571# define NV_INF (NV)INF
2572#endif
2573#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2574# define NV_INF (NV)HUGE_VALL
2575#endif
2576#if !defined(NV_INF) && defined(HUGE_VAL)
2577# define NV_INF (NV)HUGE_VAL
2578#endif
2579
2580#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2581# if !defined(NV_NAN) && defined(LDBL_NAN)
2582# define NV_NAN LDBL_NAN
2583# endif
2584# if !defined(NV_NAN) && defined(LDBL_QNAN)
2585# define NV_NAN LDBL_QNAN
2586# endif
2587# if !defined(NV_NAN) && defined(LDBL_SNAN)
2588# define NV_NAN LDBL_SNAN
2589# endif
2590#endif
2591#if !defined(NV_NAN) && defined(DBL_NAN)
2592# define NV_NAN (NV)DBL_NAN
2593#endif
2594#if !defined(NV_NAN) && defined(DBL_QNAN)
2595# define NV_NAN (NV)DBL_QNAN
2596#endif
2597#if !defined(NV_NAN) && defined(DBL_SNAN)
2598# define NV_NAN (NV)DBL_SNAN
2599#endif
2600#if !defined(NV_NAN) && defined(QNAN)
2601# define NV_NAN (NV)QNAN
2602#endif
2603#if !defined(NV_NAN) && defined(SNAN)
2604# define NV_NAN (NV)SNAN
2605#endif
2606#if !defined(NV_NAN) && defined(NAN)
2607# define NV_NAN (NV)NAN
2608#endif
2609
a0d0e21e 2610#ifndef __cplusplus
8f1f23e8 2611# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2612char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2613# else
fd8cd3a3 2614# if !defined(WIN32) && !defined(VMS)
20ce7b12 2615char *crypt (const char*, const char*);
5014db98 2616# endif /* !WIN32 */
8f1f23e8 2617# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2618# ifndef DONT_DECLARE_STD
2619# ifndef getenv
20ce7b12 2620char *getenv (const char*);
26618a56 2621# endif /* !getenv */
28ca6303 2622# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2623# ifdef _FILE_OFFSET_BITS
28ca6303 2624# if _FILE_OFFSET_BITS == 64
20ce7b12 2625Off_t lseek (int,Off_t,int);
0fc67700
JH		 2626# endif
2627# endif
bf0c440f 2628# endif
26618a56 2629# endif /* !DONT_DECLARE_STD */
20ce7b12 2630char *getlogin (void);
26618a56 2631#endif /* !__cplusplus */
79072805 2632
16d20bd9 2633#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2634#define UNLINK unlnk
20ce7b12 2635I32 unlnk (char*);
8d063cd8 2636#else
80252599 2637#define UNLINK PerlLIO_unlink
8d063cd8 2638#endif
a687059c 2639
fa0a29af
JH		 2640/* some versions of glibc are missing the setresuid() proto */
2641#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2642int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2643#endif
fa0a29af
JH		 2644/* some versions of glibc are missing the setresgid() proto */
2645#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2646int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2647#endif
2648
fe14fcc3 2649#ifndef HAS_SETREUID
85e6fe83
LW		 2650# ifdef HAS_SETRESUID
2651# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2652# define HAS_SETREUID
2653# endif
a687059c 2654#endif
fe14fcc3 2655#ifndef HAS_SETREGID
85e6fe83
LW		 2656# ifdef HAS_SETRESGID
2657# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2658# define HAS_SETREGID
2659# endif
a687059c 2660#endif
ee0007ab 2661
d543acb6 2662/* Sighandler_t defined in iperlsys.h */
ff68c719 2663
2664#ifdef HAS_SIGACTION
2665typedef struct sigaction Sigsave_t;
2666#else
2667typedef Sighandler_t Sigsave_t;
2668#endif
2669
ee0007ab
LW		 2670#define SCAN_DEF 0
2671#define SCAN_TR 1
2672#define SCAN_REPL 2
79072805
LW		 2673
2674#ifdef DEBUGGING
4633a7c4 2675# ifndef register
a0d0e21e
LW		 2676# define register
2677# endif
2678# define PAD_SV(po) pad_sv(po)
cea2e8a9 2679# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2680#else
6b88bc9c 2681# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2682# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2683#endif
2684
18f739ee 2685#ifdef MYMALLOC
772fe5b3 2686# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2687# define MALLOC_INIT \
2688 STMT_START { \
2689 PL_malloc_mutex = NULL; \
2690 MUTEX_INIT(&PL_malloc_mutex); \
2691 } STMT_END
2692# define MALLOC_TERM \
2693 STMT_START { \
2694 perl_mutex tmp = PL_malloc_mutex; \
2695 PL_malloc_mutex = NULL; \
2696 MUTEX_DESTROY(&tmp); \
2697 } STMT_END
2698# else
2699# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2700# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2701# endif
18f739ee
IZ		 2702#else
2703# define MALLOC_INIT
2704# define MALLOC_TERM
2705#endif
2706
b6d9d515 2707
0cb96387
GS		 2708typedef int (CPERLscope(*runops_proc_t)) (pTHX);
2709typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2710
940cb80d 2711/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2712#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2713
8f1f23e8
W		 2714/* NeXT has problems with crt0.o globals */
2715#if defined(__DYNAMIC__) && \
2716 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2717# if defined(NeXT) || defined(__NeXT)
2718# include <mach-o/dyld.h>
2719# define environ (*environ_pointer)
0c30d9ec 2720EXT char *** environ_pointer;
8f1f23e8 2721# else
82cabb9e 2722# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W		 2723# include <crt_externs.h> /* for the env array */
2724# define environ (*_NSGetEnviron())
2725# endif
0c30d9ec 2726# endif
8f1f23e8
W		 2727#else
2728 /* VMS and some other platforms don't use the environ array */
13b6e58c 2729# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2730# if !defined(DONT_DECLARE_STD) || \
2731 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2732 defined(__sgi) || \
d460ef45 2733 defined(__DGUX)
8f1f23e8 2734extern char ** environ; /* environment variables supplied via exec */
a6c40364 2735# endif
8f1f23e8
W		 2736# endif
2737#endif
79072805 2738
73c4f7a1
GS		 2739START_EXTERN_C
2740
79072805 2741/* handy constants */
22c35a8c 2742EXTCONST char PL_warn_uninit[]
b89fed5f 2743 INIT("Use of uninitialized value%s%s");
22c35a8c 2744EXTCONST char PL_warn_nosemi[]
463ee0b2 2745 INIT("Semicolon seems to be missing");
22c35a8c 2746EXTCONST char PL_warn_reserved[]
463ee0b2 2747 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2748EXTCONST char PL_warn_nl[]
93a17b20 2749 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2750EXTCONST char PL_no_wrongref[]
a0d0e21e 2751 INIT("Can't use %s ref as %s ref");
22c35a8c 2752EXTCONST char PL_no_symref[]
748a9306 2753 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2754EXTCONST char PL_no_usym[]
8990e307 2755 INIT("Can't use an undefined value as %s reference");
22c35a8c 2756EXTCONST char PL_no_aelem[]
93a17b20 2757 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2758EXTCONST char PL_no_helem[]
93a17b20 2759 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2760EXTCONST char PL_no_modify[]
93a17b20 2761 INIT("Modification of a read-only value attempted");
22c35a8c 2762EXTCONST char PL_no_mem[]
93a17b20 2763 INIT("Out of memory!\n");
22c35a8c 2764EXTCONST char PL_no_security[]
463ee0b2 2765 INIT("Insecure dependency in %s%s");
22c35a8c 2766EXTCONST char PL_no_sock_func[]
93a17b20 2767 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2768EXTCONST char PL_no_dir_func[]
93a17b20 2769 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2770EXTCONST char PL_no_func[]
93a17b20 2771 INIT("The %s function is unimplemented");
22c35a8c 2772EXTCONST char PL_no_myglob[]
748a9306 2773 INIT("\"my\" variable %s can't be in a package");
93a17b20 2774
7575fa06 2775EXTCONST char PL_uuemap[65]
80252599
GS		 2776 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2777
2778
79072805 2779#ifdef DOINIT
22c35a8c
GS		 2780EXT char *PL_sig_name[] = { SIG_NAME };
2781EXT int PL_sig_num[] = { SIG_NUM };
79072805 2782#else
22c35a8c
GS		 2783EXT char *PL_sig_name[];
2784EXT int PL_sig_num[];
79072805
LW		 2785#endif
2786
3bd709b1 2787/* fast conversion and case folding tables */
bbce6d69 2788
79072805 2789#ifdef DOINIT
9d116dd7 2790#ifdef EBCDIC
22c35a8c 2791EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 2792 0, 1, 2, 3, 4, 5, 6, 7,
2793 8, 9, 10, 11, 12, 13, 14, 15,
2794 16, 17, 18, 19, 20, 21, 22, 23,
2795 24, 25, 26, 27, 28, 29, 30, 31,
2796 32, 33, 34, 35, 36, 37, 38, 39,
2797 40, 41, 42, 43, 44, 45, 46, 47,
2798 48, 49, 50, 51, 52, 53, 54, 55,
2799 56, 57, 58, 59, 60, 61, 62, 63,
2800 64, 65, 66, 67, 68, 69, 70, 71,
2801 72, 73, 74, 75, 76, 77, 78, 79,
2802 80, 81, 82, 83, 84, 85, 86, 87,
2803 88, 89, 90, 91, 92, 93, 94, 95,
2804 96, 97, 98, 99, 100, 101, 102, 103,
2805 104, 105, 106, 107, 108, 109, 110, 111,
2806 112, 113, 114, 115, 116, 117, 118, 119,
2807 120, 121, 122, 123, 124, 125, 126, 127,
2808 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2809 'H', 'I', 138, 139, 140, 141, 142, 143,
2810 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2811 'Q', 'R', 154, 155, 156, 157, 158, 159,
2812 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2813 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2814 176, 177, 178, 179, 180, 181, 182, 183,
2815 184, 185, 186, 187, 188, 189, 190, 191,
2816 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2817 'h', 'i', 202, 203, 204, 205, 206, 207,
2818 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2819 'q', 'r', 218, 219, 220, 221, 222, 223,
2820 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2821 'y', 'z', 234, 235, 236, 237, 238, 239,
2822 240, 241, 242, 243, 244, 245, 246, 247,
2823 248, 249, 250, 251, 252, 253, 254, 255
2824};
2825#else /* ascii rather than ebcdic */
22c35a8c 2826EXTCONST unsigned char PL_fold[] = {
79072805
LW		 2827 0, 1, 2, 3, 4, 5, 6, 7,
2828 8, 9, 10, 11, 12, 13, 14, 15,
2829 16, 17, 18, 19, 20, 21, 22, 23,
2830 24, 25, 26, 27, 28, 29, 30, 31,
2831 32, 33, 34, 35, 36, 37, 38, 39,
2832 40, 41, 42, 43, 44, 45, 46, 47,
2833 48, 49, 50, 51, 52, 53, 54, 55,
2834 56, 57, 58, 59, 60, 61, 62, 63,
2835 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2836 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2837 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2838 'x', 'y', 'z', 91, 92, 93, 94, 95,
2839 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2840 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2841 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2842 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2843 128, 129, 130, 131, 132, 133, 134, 135,
2844 136, 137, 138, 139, 140, 141, 142, 143,
2845 144, 145, 146, 147, 148, 149, 150, 151,
2846 152, 153, 154, 155, 156, 157, 158, 159,
2847 160, 161, 162, 163, 164, 165, 166, 167,
2848 168, 169, 170, 171, 172, 173, 174, 175,
2849 176, 177, 178, 179, 180, 181, 182, 183,
2850 184, 185, 186, 187, 188, 189, 190, 191,
2851 192, 193, 194, 195, 196, 197, 198, 199,
2852 200, 201, 202, 203, 204, 205, 206, 207,
2853 208, 209, 210, 211, 212, 213, 214, 215,
2854 216, 217, 218, 219, 220, 221, 222, 223,
2855 224, 225, 226, 227, 228, 229, 230, 231,
2856 232, 233, 234, 235, 236, 237, 238, 239,
2857 240, 241, 242, 243, 244, 245, 246, 247,
2858 248, 249, 250, 251, 252, 253, 254, 255
2859};
9d116dd7 2860#endif /* !EBCDIC */
79072805 2861#else
22c35a8c 2862EXTCONST unsigned char PL_fold[];
79072805
LW		 2863#endif
2864
2865#ifdef DOINIT
22c35a8c 2866EXT unsigned char PL_fold_locale[] = {
79072805
LW		 2867 0, 1, 2, 3, 4, 5, 6, 7,
2868 8, 9, 10, 11, 12, 13, 14, 15,
2869 16, 17, 18, 19, 20, 21, 22, 23,
2870 24, 25, 26, 27, 28, 29, 30, 31,
2871 32, 33, 34, 35, 36, 37, 38, 39,
2872 40, 41, 42, 43, 44, 45, 46, 47,
2873 48, 49, 50, 51, 52, 53, 54, 55,
2874 56, 57, 58, 59, 60, 61, 62, 63,
2875 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2876 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2877 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2878 'x', 'y', 'z', 91, 92, 93, 94, 95,
2879 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2880 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2881 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2882 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2883 128, 129, 130, 131, 132, 133, 134, 135,
2884 136, 137, 138, 139, 140, 141, 142, 143,
2885 144, 145, 146, 147, 148, 149, 150, 151,
2886 152, 153, 154, 155, 156, 157, 158, 159,
2887 160, 161, 162, 163, 164, 165, 166, 167,
2888 168, 169, 170, 171, 172, 173, 174, 175,
2889 176, 177, 178, 179, 180, 181, 182, 183,
2890 184, 185, 186, 187, 188, 189, 190, 191,
2891 192, 193, 194, 195, 196, 197, 198, 199,
2892 200, 201, 202, 203, 204, 205, 206, 207,
2893 208, 209, 210, 211, 212, 213, 214, 215,
2894 216, 217, 218, 219, 220, 221, 222, 223,
2895 224, 225, 226, 227, 228, 229, 230, 231,
2896 232, 233, 234, 235, 236, 237, 238, 239,
2897 240, 241, 242, 243, 244, 245, 246, 247,
2898 248, 249, 250, 251, 252, 253, 254, 255
2899};
2900#else
22c35a8c 2901EXT unsigned char PL_fold_locale[];
79072805
LW		 2902#endif
2903
2904#ifdef DOINIT
9d116dd7 2905#ifdef EBCDIC
22c35a8c 2906EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 2907 1, 2, 84, 151, 154, 155, 156, 157,
2908 165, 246, 250, 3, 158, 7, 18, 29,
2909 40, 51, 62, 73, 85, 96, 107, 118,
2910 129, 140, 147, 148, 149, 150, 152, 153,
2911 255, 6, 8, 9, 10, 11, 12, 13,
2912 14, 15, 24, 25, 26, 27, 28, 226,
2913 29, 30, 31, 32, 33, 43, 44, 45,
2914 46, 47, 48, 49, 50, 76, 77, 78,
2915 79, 80, 81, 82, 83, 84, 85, 86,
2916 87, 94, 95, 234, 181, 233, 187, 190,
2917 180, 96, 97, 98, 99, 100, 101, 102,
2918 104, 112, 182, 174, 236, 232, 229, 103,
2919 228, 226, 114, 115, 116, 117, 118, 119,
2920 120, 121, 122, 235, 176, 230, 194, 162,
2921 130, 131, 132, 133, 134, 135, 136, 137,
2922 138, 139, 201, 205, 163, 217, 220, 224,
2923 5, 248, 227, 244, 242, 255, 241, 231,
2924 240, 253, 16, 197, 19, 20, 21, 187,
2925 23, 169, 210, 245, 237, 249, 247, 239,
2926 168, 252, 34, 196, 36, 37, 38, 39,
2927 41, 42, 251, 254, 238, 223, 221, 213,
2928 225, 177, 52, 53, 54, 55, 56, 57,
2929 58, 59, 60, 61, 63, 64, 65, 66,
2930 67, 68, 69, 70, 71, 72, 74, 75,
2931 205, 208, 186, 202, 200, 218, 198, 179,
2932 178, 214, 88, 89, 90, 91, 92, 93,
2933 217, 166, 170, 207, 199, 209, 206, 204,
2934 160, 212, 105, 106, 108, 109, 110, 111,
2935 203, 113, 216, 215, 192, 175, 193, 243,
2936 172, 161, 123, 124, 125, 126, 127, 128,
2937 222, 219, 211, 195, 188, 193, 185, 184,
2938 191, 183, 141, 142, 143, 144, 145, 146
2939};
2940#else /* ascii rather than ebcdic */
22c35a8c 2941EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 2942 1, 2, 84, 151, 154, 155, 156, 157,
2943 165, 246, 250, 3, 158, 7, 18, 29,
2944 40, 51, 62, 73, 85, 96, 107, 118,
2945 129, 140, 147, 148, 149, 150, 152, 153,
2946 255, 182, 224, 205, 174, 176, 180, 217,
2947 233, 232, 236, 187, 235, 228, 234, 226,
2948 222, 219, 211, 195, 188, 193, 185, 184,
2949 191, 183, 201, 229, 181, 220, 194, 162,
2950 163, 208, 186, 202, 200, 218, 198, 179,
2951 178, 214, 166, 170, 207, 199, 209, 206,
2952 204, 160, 212, 216, 215, 192, 175, 173,
2953 243, 172, 161, 190, 203, 189, 164, 230,
2954 167, 248, 227, 244, 242, 255, 241, 231,
2955 240, 253, 169, 210, 245, 237, 249, 247,
2956 239, 168, 252, 251, 254, 238, 223, 221,
2957 213, 225, 177, 197, 171, 196, 159, 4,
2958 5, 6, 8, 9, 10, 11, 12, 13,
2959 14, 15, 16, 17, 19, 20, 21, 22,
2960 23, 24, 25, 26, 27, 28, 30, 31,
2961 32, 33, 34, 35, 36, 37, 38, 39,
2962 41, 42, 43, 44, 45, 46, 47, 48,
2963 49, 50, 52, 53, 54, 55, 56, 57,
2964 58, 59, 60, 61, 63, 64, 65, 66,
2965 67, 68, 69, 70, 71, 72, 74, 75,
2966 76, 77, 78, 79, 80, 81, 82, 83,
2967 86, 87, 88, 89, 90, 91, 92, 93,
2968 94, 95, 97, 98, 99, 100, 101, 102,
2969 103, 104, 105, 106, 108, 109, 110, 111,
2970 112, 113, 114, 115, 116, 117, 119, 120,
2971 121, 122, 123, 124, 125, 126, 127, 128,
2972 130, 131, 132, 133, 134, 135, 136, 137,
2973 138, 139, 141, 142, 143, 144, 145, 146
2974};
9d116dd7 2975#endif
79072805 2976#else
22c35a8c 2977EXTCONST unsigned char PL_freq[];
79072805
LW		 2978#endif
2979
8990e307
LW		 2980#ifdef DEBUGGING
2981#ifdef DOINIT
22c35a8c 2982EXTCONST char* PL_block_type[] = {
8990e307
LW		 2983 "NULL",
2984 "SUB",
2985 "EVAL",
2986 "LOOP",
2987 "SUBST",
2988 "BLOCK",
2989};
2990#else
22c35a8c 2991EXTCONST char* PL_block_type[];
8990e307
LW		 2992#endif
2993#endif
2994
73c4f7a1
GS		 2995END_EXTERN_C
2996
79072805
LW		 2997/*****************************************************************************/
2998/* This lexer/parser stuff is currently global since yacc is hard to reenter */
2999/*****************************************************************************/
8990e307 3000/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3001
a0d0e21e
LW		 3002#include "perly.h"
3003
fb73857a 3004#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3005
79072805
LW		 3006typedef enum {
3007 XOPERATOR,
3008 XTERM,
79072805 3009 XREF,
8990e307 3010 XSTATE,
a0d0e21e 3011 XBLOCK,
09bef843
SB		 3012 XATTRBLOCK,
3013 XATTRTERM,
a0d0e21e 3014 XTERMBLOCK
79072805
LW		 3015} expectation;
3016
dc9e4912
GS		 3017enum { /* pass one of these to get_vtbl */
3018 want_vtbl_sv,
3019 want_vtbl_env,
3020 want_vtbl_envelem,
3021 want_vtbl_sig,
3022 want_vtbl_sigelem,
3023 want_vtbl_pack,
3024 want_vtbl_packelem,
3025 want_vtbl_dbline,
3026 want_vtbl_isa,
3027 want_vtbl_isaelem,
3028 want_vtbl_arylen,
3029 want_vtbl_glob,
3030 want_vtbl_mglob,
3031 want_vtbl_nkeys,
3032 want_vtbl_taint,
3033 want_vtbl_substr,
3034 want_vtbl_vec,
3035 want_vtbl_pos,
3036 want_vtbl_bm,
3037 want_vtbl_fm,
3038 want_vtbl_uvar,
3039 want_vtbl_defelem,
3040 want_vtbl_regexp,
3041 want_vtbl_collxfrm,
3042 want_vtbl_amagic,
3043 want_vtbl_amagicelem,
4d1ff10f 3044#ifdef USE_5005THREADS
dc9e4912
GS		 3045 want_vtbl_mutex,
3046#endif
3047 want_vtbl_regdata,
810b8aa5
GS		 3048 want_vtbl_regdatum,
3049 want_vtbl_backref
dc9e4912
GS		 3050};
3051
85e6fe83
LW		 3052 /* Note: the lowest 8 bits are reserved for
3053 stuffing into op->op_private */
f3aa04c2 3054#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW		 3055#define HINT_INTEGER 0x00000001
3056#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH		 3057#define HINT_LOCALE 0x00000004
3058#define HINT_BYTES 0x00000008
393fec97 3059/* #define HINT_notused10 0x00000010 */
a0ed51b3 3060 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW		 3061
3062#define HINT_BLOCK_SCOPE 0x00000100
3063#define HINT_STRICT_SUBS 0x00000200
3064#define HINT_STRICT_VARS 0x00000400
3065
b3ac6de7
IZ		 3066#define HINT_NEW_INTEGER 0x00001000
3067#define HINT_NEW_FLOAT 0x00002000
3068#define HINT_NEW_BINARY 0x00004000
3069#define HINT_NEW_STRING 0x00008000
3070#define HINT_NEW_RE 0x00010000
3071#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3072
b3eb6a9b 3073#define HINT_RE_TAINT 0x00100000
e4d48cc9 3074#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3075
5ff3f7a4 3076#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3077#define HINT_UTF8 0x00800000
5ff3f7a4 3078
8bfdd7d9 3079/* Various states of the input record separator SV (rs) */
d4cce5f1 3080#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3081#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3082#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3083#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3084
56953603 3085/* Enable variables which are pointers to functions */
a2efc822 3086typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3087typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3088typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3089 char* strend, char* strbeg, I32 minend,
3090 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3091typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3092 char *strpos, char *strend,
3093 U32 flags,
3094 struct re_scream_pos_data_s *d);
3095typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3096typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3097
c76ac1ee 3098typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3099typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3100typedef void (*SVFUNC_t) (pTHX_ SV*);
3101typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3102typedef void (*XSINIT_t) (pTHX);
3103typedef void (*ATEXIT_t) (pTHX_ void*);
3104typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3105
22239a37
NIS		 3106/* Set up PERLVAR macros for populating structs */
3107#define PERLVAR(var,type) type var;
51371543 3108#define PERLVARA(var,n,type) type var[n];
22239a37 3109#define PERLVARI(var,type,init) type var;
3fe35a81 3110#define PERLVARIC(var,type,init) type var;
22239a37 3111
58a50f62
GS		 3112/* Interpreter exitlist entry */
3113typedef struct exitlistentry {
acfe0abc 3114 void (*fn) (pTHX_ void*);
58a50f62
GS		 3115 void *ptr;
3116} PerlExitListEntry;
3117
22239a37
NIS		 3118#ifdef PERL_GLOBAL_STRUCT
3119struct perl_vars {
7766f137 3120# include "perlvars.h"
22239a37
NIS		 3121};
3122
7766f137 3123# ifdef PERL_CORE
533c011a
NIS		 3124EXT struct perl_vars PL_Vars;
3125EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3126# else /* PERL_CORE */
3127# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3128EXT
7766f137 3129# endif /* WIN32 */
533c011a 3130struct perl_vars *PL_VarsPtr;
7766f137
GS		 3131# define PL_Vars (*((PL_VarsPtr) \
3132 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3133# endif /* PERL_CORE */
22239a37
NIS		 3134#endif /* PERL_GLOBAL_STRUCT */
3135
acfe0abc 3136#if defined(MULTIPLICITY)
d460ef45 3137/* If we have multiple interpreters define a struct
d4cce5f1 3138 holding variables which must be per-interpreter
d460ef45 3139 If we don't have threads anything that would have
d4cce5f1
NIS		 3140 be per-thread is per-interpreter.
3141*/
3142
79072805 3143struct interpreter {
4d1ff10f 3144# ifndef USE_5005THREADS
7766f137
GS		 3145# include "thrdvar.h"
3146# endif
3147# include "intrpvar.h"
3148/*
3149 * The following is a buffer where new variables must
acfe0abc 3150 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3151 */
3152PERLVARA(object_compatibility,30, char)
49f531da 3153};
d4cce5f1 3154
79072805 3155#else
49f531da
NIS		 3156struct interpreter {
3157 char broiled;
3158};
acfe0abc 3159#endif /* MULTIPLICITY */
79072805 3160
4d1ff10f 3161#ifdef USE_5005THREADS
d4cce5f1
NIS		 3162/* If we have threads define a struct with all the variables
3163 * that have to be per-thread
49f531da 3164 */
8023c3ce 3165
79072805 3166
49f531da 3167struct perl_thread {
49f531da 3168#include "thrdvar.h"
79072805 3169};
d4cce5f1 3170
22fae026
TM		 3171typedef struct perl_thread *Thread;
3172
3173#else
3174typedef void *Thread;
22239a37
NIS		 3175#endif
3176
3177/* Done with PERLVAR macros for now ... */
d4cce5f1 3178#undef PERLVAR
51371543 3179#undef PERLVARA
d4cce5f1 3180#undef PERLVARI
3fe35a81 3181#undef PERLVARIC
79072805 3182
22239a37 3183#include "thread.h"
79072805 3184#include "pp.h"
864dbfa3
GS		 3185
3186#ifndef PERL_CALLCONV
3187# define PERL_CALLCONV
d460ef45 3188#endif
864dbfa3 3189
65f19062
GS		 3190#ifndef NEXT30_NO_ATTRIBUTE
3191# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3192# ifdef __attribute__ /* Avoid possible redefinition errors */
3193# undef __attribute__
3194# endif
3195# define __attribute__(attr)
3196# endif
3197#endif
3198
0cb96387
GS		 3199#undef PERL_CKDEF
3200#undef PERL_PPDEF
3201#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3202#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3203
7766f137 3204#include "proto.h"
864dbfa3 3205
0cb96387 3206/* this has structure inits, so it cannot be included before here */
acfe0abc 3207#include "opcode.h"
864dbfa3 3208
d4cce5f1
NIS		 3209/* The following must follow proto.h as #defines mess up syntax */
3210
22c35a8c
GS		 3211#if !defined(PERL_FOR_X2P)
3212# include "embedvar.h"
3213#endif
d4cce5f1 3214
d460ef45 3215/* Now include all the 'global' variables
d4cce5f1 3216 * If we don't have threads or multiple interpreters
d460ef45 3217 * these include variables that would have been their struct-s
d4cce5f1 3218 */
d460ef45 3219
533c011a 3220#define PERLVAR(var,type) EXT type PL_##var;
51371543 3221#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3222#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3223#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3224
acfe0abc 3225#if !defined(MULTIPLICITY)
7766f137 3226START_EXTERN_C
066ef5b5 3227# include "intrpvar.h"
4d1ff10f 3228# ifndef USE_5005THREADS
066ef5b5
GS		 3229# include "thrdvar.h"
3230# endif
7766f137 3231END_EXTERN_C
22239a37
NIS		 3232#endif
3233
acfe0abc 3234#if defined(WIN32)
66a93824 3235/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3236# include "embed.h"
acfe0abc 3237#endif
22239a37 3238
c5be433b
GS		 3239#ifndef PERL_GLOBAL_STRUCT
3240START_EXTERN_C
3241
3242# include "perlvars.h"
3243
3244END_EXTERN_C
3245#endif
3246
d4cce5f1 3247#undef PERLVAR
51371543 3248#undef PERLVARA
d4cce5f1 3249#undef PERLVARI
0f3f18a6 3250#undef PERLVARIC
79072805 3251
73c4f7a1
GS		 3252START_EXTERN_C
3253
79072805 3254#ifdef DOINIT
bbce6d69 3255
2b260de0
GS		 3256EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
3257 MEMBER_TO_FPTR(Perl_magic_set),
3258 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3259 0, 0};
2b260de0
GS		 3260EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3261 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3262 0};
2b260de0
GS		 3263EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3264 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3265 0};
22c35a8c 3266EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3267#ifdef PERL_MICRO
3268EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3269#else
2b260de0
GS		 3270EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3271 MEMBER_TO_FPTR(Perl_magic_setsig),
3272 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3273 0};
64ca3a65 3274#endif
2b260de0 3275EXT MGVTBL PL_vtbl_pack = {0, 0, MEMBER_TO_FPTR(Perl_magic_sizepack), MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3276 0};
2b260de0
GS		 3277EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
3278 MEMBER_TO_FPTR(Perl_magic_setpack),
3279 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3280 0};
2b260de0 3281EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3282 0, 0, 0};
2b260de0
GS		 3283EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3284 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3285 0};
2b260de0 3286EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3287 0, 0, 0};
2b260de0
GS		 3288EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3289 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3290 0, 0, 0};
2b260de0
GS		 3291EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3292 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3293 0, 0, 0};
2b260de0 3294EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3295 0, 0, 0};
2b260de0
GS		 3296EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3297 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3298 0, 0, 0};
2b260de0 3299EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3300 0, 0, 0};
2b260de0 3301EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr), MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3302 0, 0, 0};
2b260de0
GS		 3303EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
3304 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3305 0, 0, 0};
2b260de0
GS		 3306EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3307 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3308 0, 0, 0};
2b260de0 3309EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3310 0, 0, 0};
2b260de0 3311EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3312 0, 0, 0};
2b260de0
GS		 3313EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3314 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3315 0, 0, 0};
4d1ff10f 3316#ifdef USE_5005THREADS
2b260de0 3317EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0, MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3318#endif /* USE_5005THREADS */
2b260de0 3319EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3320 0, 0, 0};
a0d0e21e 3321
2b260de0
GS		 3322EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3323EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3324EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3325 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3326
36477c24 3327#ifdef USE_LOCALE_COLLATE
22c35a8c 3328EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3329 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3330 0, 0, 0};
3331#endif
a0d0e21e 3332
2b260de0
GS		 3333EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3334 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3335EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3336 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3337
810b8aa5 3338EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3339 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3340
d460ef45
NIS		 3341EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3342 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3343
bbce6d69 3344#else /* !DOINIT */
3345
22c35a8c
GS		 3346EXT MGVTBL PL_vtbl_sv;
3347EXT MGVTBL PL_vtbl_env;
3348EXT MGVTBL PL_vtbl_envelem;
3349EXT MGVTBL PL_vtbl_sig;
3350EXT MGVTBL PL_vtbl_sigelem;
3351EXT MGVTBL PL_vtbl_pack;
3352EXT MGVTBL PL_vtbl_packelem;
3353EXT MGVTBL PL_vtbl_dbline;
3354EXT MGVTBL PL_vtbl_isa;
3355EXT MGVTBL PL_vtbl_isaelem;
3356EXT MGVTBL PL_vtbl_arylen;
3357EXT MGVTBL PL_vtbl_glob;
3358EXT MGVTBL PL_vtbl_mglob;
3359EXT MGVTBL PL_vtbl_nkeys;
3360EXT MGVTBL PL_vtbl_taint;
3361EXT MGVTBL PL_vtbl_substr;
3362EXT MGVTBL PL_vtbl_vec;
3363EXT MGVTBL PL_vtbl_pos;
3364EXT MGVTBL PL_vtbl_bm;
3365EXT MGVTBL PL_vtbl_fm;
3366EXT MGVTBL PL_vtbl_uvar;
d460ef45 3367EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3368
4d1ff10f 3369#ifdef USE_5005THREADS
22c35a8c 3370EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3371#endif /* USE_5005THREADS */
f93b4edd 3372
22c35a8c
GS		 3373EXT MGVTBL PL_vtbl_defelem;
3374EXT MGVTBL PL_vtbl_regexp;
3375EXT MGVTBL PL_vtbl_regdata;
3376EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3377
36477c24 3378#ifdef USE_LOCALE_COLLATE
22c35a8c 3379EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3380#endif
a0d0e21e 3381
22c35a8c
GS		 3382EXT MGVTBL PL_vtbl_amagic;
3383EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3384
810b8aa5
GS		 3385EXT MGVTBL PL_vtbl_backref;
3386
bbce6d69 3387#endif /* !DOINIT */
85e6fe83 3388
f5284f61
IZ		 3389enum {
3390 fallback_amg, abs_amg,
3391 bool__amg, nomethod_amg,
3392 string_amg, numer_amg,
3393 add_amg, add_ass_amg,
3394 subtr_amg, subtr_ass_amg,
3395 mult_amg, mult_ass_amg,
3396 div_amg, div_ass_amg,
3397 modulo_amg, modulo_ass_amg,
3398 pow_amg, pow_ass_amg,
3399 lshift_amg, lshift_ass_amg,
3400 rshift_amg, rshift_ass_amg,
3401 band_amg, band_ass_amg,
3402 bor_amg, bor_ass_amg,
3403 bxor_amg, bxor_ass_amg,
3404 lt_amg, le_amg,
3405 gt_amg, ge_amg,
3406 eq_amg, ne_amg,
3407 ncmp_amg, scmp_amg,
3408 slt_amg, sle_amg,
3409 sgt_amg, sge_amg,
3410 seq_amg, sne_amg,
3411 not_amg, compl_amg,
3412 inc_amg, dec_amg,
3413 atan2_amg, cos_amg,
3414 sin_amg, exp_amg,
3415 log_amg, sqrt_amg,
3416 repeat_amg, repeat_ass_amg,
3417 concat_amg, concat_ass_amg,
3418 copy_amg, neg_amg,
3419 to_sv_amg, to_av_amg,
3420 to_hv_amg, to_gv_amg,
d460ef45 3421 to_cv_amg, iter_amg,
f216259d
IZ		 3422 int_amg, DESTROY_amg,
3423 max_amg_code
64a0062a 3424 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3425};
3426
3427#define NofAMmeth max_amg_code
89ffc314 3428#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3429
a0d0e21e 3430#ifdef DOINIT
22c35a8c 3431EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3432 /* Names kept in the symbol table. fallback => "()", the rest has
3433 "(" prepended. The only other place in perl which knows about
3434 this convention is AMG_id2name (used for debugging output and
3435 'nomethod' only), the only other place which has it hardwired is
3436 overload.pm. */
3437 "()", "(abs", /* "fallback" should be the first. */
3438 "(bool", "(nomethod",
3439 "(\"\"", "(0+",
3440 "(+", "(+=",
3441 "(-", "(-=",
3442 "(*", "(*=",
3443 "(/", "(/=",
3444 "(%", "(%=",
3445 "(**", "(**=",
3446 "(<<", "(<<=",
3447 "(>>", "(>>=",
3448 "(&", "(&=",
3449 "(|", "(|=",
3450 "(^", "(^=",
3451 "(<", "(<=",
3452 "(>", "(>=",
3453 "(==", "(!=",
3454 "(<=>", "(cmp",
3455 "(lt", "(le",
3456 "(gt", "(ge",
3457 "(eq", "(ne",
3458 "(!", "(~",
3459 "(++", "(--",
3460 "(atan2", "(cos",
3461 "(sin", "(exp",
3462 "(log", "(sqrt",
3463 "(x", "(x=",
3464 "(.", "(.=",
3465 "(=", "(neg",
3466 "(${}", "(@{}",
3467 "(%{}", "(*{}",
3468 "(&{}", "(<>",
f216259d 3469 "(int", "DESTROY",
a0d0e21e
LW		 3470};
3471#else
22c35a8c 3472EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3473#endif /* def INITAMAGIC */
3474
73c4f7a1
GS		 3475END_EXTERN_C
3476
a6006777 3477struct am_table {
a0d0e21e
LW		 3478 long was_ok_sub;
3479 long was_ok_am;
a6006777 3480 U32 flags;
3481 CV* table[NofAMmeth];
a0d0e21e
LW		 3482 long fallback;
3483};
a6006777 3484struct am_table_short {
3485 long was_ok_sub;
3486 long was_ok_am;
3487 U32 flags;
3488};
a0d0e21e 3489typedef struct am_table AMT;
a6006777 3490typedef struct am_table_short AMTS;
a0d0e21e
LW		 3491
3492#define AMGfallNEVER 1
3493#define AMGfallNO 2
3494#define AMGfallYES 3
3495
a6006777 3496#define AMTf_AMAGIC 1
32251b26 3497#define AMTf_OVERLOADED 2
a6006777 3498#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3499#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3500#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3501#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3502#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3503#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3504
32251b26 3505#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3506
3507/*
3508 * some compilers like to redefine cos et alia as faster
3509 * (and less accurate?) versions called F_cos et cetera (Quidquid
3510 * latine dictum sit, altum viditur.) This trick collides with
3511 * the Perl overloading (amg). The following #defines fool both.
3512 */
3513
3514#ifdef _FASTMATH
3515# ifdef atan2
3516# define F_atan2_amg atan2_amg
3517# endif
3518# ifdef cos
3519# define F_cos_amg cos_amg
3520# endif
3521# ifdef exp
3522# define F_exp_amg exp_amg
3523# endif
3524# ifdef log
3525# define F_log_amg log_amg
3526# endif
3527# ifdef pow
3528# define F_pow_amg pow_amg
3529# endif
3530# ifdef sin
3531# define F_sin_amg sin_amg
3532# endif
3533# ifdef sqrt
3534# define F_sqrt_amg sqrt_amg
3535# endif
3536#endif /* _FASTMATH */
3537
83ee9e09
GS		 3538#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3539 PERLDBf_NOOPT | PERLDBf_INTER | \
3540 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3541 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3542 /* No _NONAME, _GOTO */
3543#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3544#define PERLDBf_LINE 0x02 /* Keep line # */
3545#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3546#define PERLDBf_INTER 0x08 /* Preserve more data for
3547 later inspections */
3548#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3549#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3550#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3551#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3552#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3553#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3554
3280af22
NIS		 3555#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3556#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3557#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3558#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3559#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3560#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3561#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3562#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3563#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3564#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3565
bbce6d69 3566
36477c24 3567#ifdef USE_LOCALE_NUMERIC
bbce6d69 3568
36477c24 3569#define SET_NUMERIC_STANDARD() \
ff4fed7c 3570 set_numeric_standard();
36477c24 3571
3572#define SET_NUMERIC_LOCAL() \
ff4fed7c 3573 set_numeric_local();
bbce6d69 3574
2de3dbcc
JH		 3575#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3576#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3577
3578#define IN_LOCALE \
3579 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3580
f93f4e46 3581#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3582 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3583 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3584
3585#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3586 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3587 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3588
3589#define RESTORE_NUMERIC_LOCAL() \
3590 if (was_local) SET_NUMERIC_LOCAL();
3591
3592#define RESTORE_NUMERIC_STANDARD() \
3593 if (was_standard) SET_NUMERIC_STANDARD();
3594
5b877257 3595#define Atof my_atof
097ee67d 3596
36477c24 3597#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3598
097ee67d
JH		 3599#define SET_NUMERIC_STANDARD() /**/
3600#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3601#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3602#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3603#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3604#define RESTORE_NUMERIC_LOCAL() /**/
3605#define RESTORE_NUMERIC_STANDARD() /**/
65202027 3606#define Atof Perl_atof
ad3e0f90 3607#define IN_LOCALE_RUNTIME 0
bbce6d69 3608
36477c24 3609#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3610
079290de 3611#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3612# ifdef __hpux
3613# define strtoll __strtoll /* secret handshake */
3614# endif
079290de
GS		 3615# if !defined(Strtol) && defined(HAS_STRTOLL)
3616# define Strtol strtoll
ad551343 3617# endif
28e5dec8
JH		 3618# if !defined(Strtol) && defined(HAS_STRTOQ)
3619# define Strtol strtoq
3620# endif
ff935051 3621/* is there atoq() anywhere? */
15b99d39 3622#endif
079290de
GS		 3623#if !defined(Strtol) && defined(HAS_STRTOL)
3624# define Strtol strtol
3625#endif
3626#ifndef Atol
3627/* It would be more fashionable to use Strtol() to define atol()
3628 * (as is done for Atoul(), see below) but for backward compatibility
3629 * we just assume atol(). */
76b882ba
JH		 3630# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
3631# define Atol atoll
3632# else
3633# define Atol atol
3634# endif
cf2093f6
JH		 3635#endif
3636
55eb892c 3637#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3638# ifdef __hpux
3639# define strtoull __strtoull /* secret handshake */
3640# endif
ad551343 3641# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3642# define Strtoul strtoull
15b99d39 3643# endif
079290de
GS		 3644# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3645# define Strtoul strtouq
3646# endif
76d49b1c 3647/* is there atouq() anywhere? */
ad551343 3648#endif
079290de
GS		 3649#if !defined(Strtoul) && defined(HAS_STRTOUL)
3650# define Strtoul strtoul
cf2093f6 3651#endif
079290de
GS		 3652#ifndef Atoul
3653# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3654#endif
cf2093f6 3655
e5c9fcd0 3656#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
d460ef45
NIS		 3657/*
3658 * Now we have __attribute__ out of the way
3659 * Remap printf
760ac839 3660 */
39455587 3661#undef printf
c745e42c
NIS		 3662#ifdef __GNUC__
3663#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3664#else
760ac839
LW		 3665#define printf PerlIO_stdoutf
3666#endif
c745e42c 3667#endif
760ac839 3668
06d86050
GS		 3669/* if these never got defined, they need defaults */
3670#ifndef PERL_SET_CONTEXT
3671# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3672#endif
3673
3674#ifndef PERL_GET_CONTEXT
3675# define PERL_GET_CONTEXT PERL_GET_INTERP
3676#endif
3677
3678#ifndef PERL_GET_THX
3679# define PERL_GET_THX ((void*)NULL)
3680#endif
3681
3682#ifndef PERL_SET_THX
3683# define PERL_SET_THX(t) NOOP
3684#endif
3685
a868473f
NIS		 3686#ifndef PERL_SCRIPT_MODE
3687#define PERL_SCRIPT_MODE "r"
3688#endif
3689
fba3b22e 3690/*
da927450
JH		 3691 * Some operating systems are stingy with stack allocation,
3692 * so perl may have to guard against stack overflow.
3693 */
3694#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3695#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3696#endif
3697
3698/*
3699 * Some nonpreemptive operating systems find it convenient to
3700 * check for asynchronous conditions after each op execution.
3701 * Keep this check simple, or it may slow down execution
3702 * massively.
3703 */
ce08f86c 3704
1d615522
JH		 3705#ifndef PERL_MICRO
3706# ifndef PERL_OLD_SIGNALS
2986a63f
JH		 3707# ifndef PERL_ASYNC_CHECK
3708# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3709# endif
1d615522 3710# endif
ce08f86c
NIS		 3711#endif
3712
da927450 3713#ifndef PERL_ASYNC_CHECK
1d615522 3714# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3715#endif
3716
3717/*
3718 * On some operating systems, a memory allocation may succeed,
3719 * but put the process too close to the system's comfort limit.
3720 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3721 * it to NULL.
3722 */
3723#ifndef PERL_ALLOC_CHECK
c2af87cb 3724#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3725#endif
3726
3727/*
fba3b22e
MB		 3728 * nice_chunk and nice_chunk size need to be set
3729 * and queried under the protection of sv_mutex
3730 */
30ad99e7
MJD		 3731#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3732 void *new_chunk; \
3733 U32 new_chunk_size; \
3734 LOCK_SV_MUTEX; \
3735 new_chunk = (void *)(chunk); \
3736 new_chunk_size = (chunk_size); \
3737 if (new_chunk_size > PL_nice_chunk_size) { \
3738 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
3739 PL_nice_chunk = new_chunk; \
3740 PL_nice_chunk_size = new_chunk_size; \
3741 } else { \
3742 Safefree(chunk); \
3743 } \
3744 UNLOCK_SV_MUTEX; \
3745 } STMT_END
fba3b22e 3746
bd89102f
AD		 3747#ifdef HAS_SEM
3748# include <sys/ipc.h>
3749# include <sys/sem.h>
3750# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
3751 union semun {
dbba660d
TC		 3752 int val;
3753 struct semid_ds *buf;
3754 unsigned short *array;
bd89102f
AD		 3755 };
3756# endif
3757# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 3758# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
3759 union gccbug_semun {
3760 int val;
3761 struct semid_ds *buf;
3762 unsigned short *array;
3763 char __dummy[5];
3764 };
3765# define semun gccbug_semun
3766# endif
bd89102f
AD		 3767# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
3768# else
3769# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 3770# ifdef EXTRA_F_IN_SEMUN_BUF
3771# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
3772# else
3773# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
3774# endif
bd89102f
AD		 3775# endif
3776# endif
bd89102f 3777#endif
49f531da 3778
89ca4ac7
JH		 3779/*
3780 * Boilerplate macros for initializing and accessing interpreter-local
3781 * data from C. All statics in extensions should be reworked to use
3782 * this, if you want to make the extension thread-safe. See ext/re/re.xs
3783 * for an example of the use of these macros.
3784 *
3785 * Code that uses these macros is responsible for the following:
3786 * 1. #define MY_CXT_KEY to a unique string, e.g. "DynaLoader_guts"
3787 * 2. Declare a typedef named my_cxt_t that is a structure that contains
3788 * all the data that needs to be interpreter-local.
3789 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
3790 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
3791 * (typically put in the BOOT: section).
3792 * 5. Use the members of the my_cxt_t structure everywhere as
3793 * MY_CXT.member.
3794 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
3795 * access MY_CXT.
3796 */
3797
fc958cd2 3798#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 3799
3800/* This must appear in all extensions that define a my_cxt_t structure,
3801 * right after the definition (i.e. at file scope). The non-threads
3802 * case below uses it to declare the data as static. */
3803#define START_MY_CXT
3804
3805/* Fetches the SV that keeps the per-interpreter data. */
3806#define dMY_CXT_SV \
3807 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
3808 sizeof(MY_CXT_KEY)-1, TRUE)
3809
3810/* This declaration should be used within all functions that use the
3811 * interpreter-local data. */
3812#define dMY_CXT \
3813 dMY_CXT_SV; \
3814 my_cxt_t *my_cxtp = (my_cxt_t*)SvUV(my_cxt_sv)
3815
3816/* Creates and zeroes the per-interpreter data.
3817 * (We allocate my_cxtp in a Perl SV so that it will be released when
3818 * the interpreter goes away.) */
3819#define MY_CXT_INIT \
3820 dMY_CXT_SV; \
3821 /* newSV() allocates one more than needed */ \
3822 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
3823 Zero(my_cxtp, 1, my_cxt_t); \
3824 sv_setuv(my_cxt_sv, (UV)my_cxtp)
3825
3826/* This macro must be used to access members of the my_cxt_t structure.
3827 * e.g. MYCXT.some_data */
3828#define MY_CXT (*my_cxtp)
3829
3830/* Judicious use of these macros can reduce the number of times dMY_CXT
3831 * is used. Use is similar to pTHX, aTHX etc. */
3832#define pMY_CXT my_cxt_t *my_cxtp
3833#define pMY_CXT_ pMY_CXT,
3834#define _pMY_CXT ,pMY_CXT
3835#define aMY_CXT my_cxtp
3836#define aMY_CXT_ aMY_CXT,
3837#define _aMY_CXT ,aMY_CXT
3838
3839#else /* USE_ITHREADS */
3840
3841#define START_MY_CXT static my_cxt_t my_cxt;
3842#define dMY_CXT_SV dNOOP
3843#define dMY_CXT dNOOP
3844#define MY_CXT_INIT NOOP
3845#define MY_CXT my_cxt
3846
3847#define pMY_CXT void
3848#define pMY_CXT_
3849#define _pMY_CXT
3850#define aMY_CXT
3851#define aMY_CXT_
3852#define _aMY_CXT
3853
3854#endif /* !defined(USE_ITHREADS) */
3855
9a34ef1d
GS		 3856#ifdef I_FCNTL
3857# include <fcntl.h>
9a34ef1d
GS		 3858#endif
3859
3860#ifdef I_SYS_FILE
3861# include <sys/file.h>
3862#endif
3863
fa0a29af 3864#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 3865int flock(int fd, int op);
3866#endif
3867
fe52b3b7
GS		 3868#ifndef O_RDONLY
3869/* Assume UNIX defaults */
3870# define O_RDONLY 0000
3871# define O_WRONLY 0001
3872# define O_RDWR 0002
3873# define O_CREAT 0100
3874#endif
9a34ef1d 3875
16fe6d59
GS		 3876#ifndef O_BINARY
3877# define O_BINARY 0
3878#endif
3879
3880#ifndef O_TEXT
3881# define O_TEXT 0
3882#endif
3883
104d25b7
JH		 3884#ifdef IAMSUID
3885
3886#ifdef I_SYS_STATVFS
9f982a77
IG		 3887# if defined(PERL_SCO) && !defined(_SVID3)
3888# define _SVID3
3889# endif
32b3cf08
JH		 3890# include <sys/statvfs.h> /* for f?statvfs() */
3891#endif
3892#ifdef I_SYS_MOUNT
3893# include <sys/mount.h> /* for *BSD f?statfs() */
3894#endif
3895#ifdef I_MNTENT
3896# include <mntent.h> /* for getmntent() */
104d25b7 3897#endif
0545a864
JH		 3898#ifdef I_SYS_STATFS
3899# include <sys/statfs.h> /* for some statfs() */
3900#endif
3901#ifdef I_SYS_VFS
8d9e1a19
GS		 3902# ifdef __sgi
3903# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
3904# endif
3905# include <sys/vfs.h> /* for some statfs() */
3906# ifdef __sgi
3907# undef IRIX_sv
3908# endif
0545a864
JH		 3909#endif
3910#ifdef I_USTAT
3911# include <ustat.h> /* for ustat() */
3912#endif
3913
3914#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
3915# define PERL_MOUNT_NOSUID MOUNT_NOSUID
3916#endif
3917#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
3918# define PERL_MOUNT_NOSUID MNT_NOSUID
3919#endif
3920#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
3921# define PERL_MOUNT_NOSUID MS_NOSUID
3922#endif
3923#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
3924# define PERL_MOUNT_NOSUID M_NOSUID
3925#endif
104d25b7
JH		 3926
3927#endif /* IAMSUID */
3928
4bc88a62
PS		 3929#ifdef I_LIBUTIL
3930# include <libutil.h> /* setproctitle() in some FreeBSDs */
3931#endif
3932
b4748376
NIS		 3933#ifndef EXEC_ARGV_CAST
3934#define EXEC_ARGV_CAST(x) x
3935#endif
3936
dd5dc04f
JH		 3937#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
3938 int). value returned in pointed-
3939 to UV */
3940#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
3941#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
3942#define IS_NUMBER_NEG 0x08 /* leading minus sign */
3943#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 3944#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 3945
3946#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
3947
53305cf1
NC		 3948/* Input flags: */
3949#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 3950#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
53305cf1
NC		 3951/* Output flags: */
3952#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
3953
2c4f7f0e
DM		 3954/* to let user control profiling */
3955#ifdef PERL_GPROF_CONTROL
3956extern void moncontrol(int);
3957#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
3958#else
3959#define PERL_GPROF_MONCONTROL(x)
3960#endif
3961
4d8076ea 3962/* and finally... */
cceca5ed 3963#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 3964#include "patchlevel.h"
cceca5ed 3965#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 3966
43999f95 3967/* Mention
d460ef45 3968
43999f95 3969 NV_PRESERVES_UV
fe749a9f 3970
fe749a9f
JH		 3971 HAS_MKSTEMP
3972 HAS_MKSTEMPS
3973 HAS_MKDTEMP
3974
49dabb45
JH		 3975 HAS_GETCWD
3976
d59b5429 3977 HAS_MMAP
fe749a9f
JH		 3978 HAS_MPROTECT
3979 HAS_MSYNC
1e8c3fde 3980 HAS_MADVISE
fe749a9f
JH		 3981 HAS_MUNMAP
3982 I_SYSMMAN
3983 Mmap_t
3984
6b4667fc
A		 3985 NVef
3986 NVff
3987 NVgf
3988
4e0554ec
JH		 3989 HAS_USLEEP
3990 HAS_UALARM
3991
3992 HAS_SETITIMER
3993 HAS_GETITIMER
3994
3995 HAS_SENDMSG
3996 HAS_RECVMSG
3997 HAS_READV
3998 HAS_WRITEV
3999 I_SYSUIO
4000 HAS_STRUCT_MSGHDR
4001 HAS_STRUCT_CMSGHDR
4002
2765b840
JH		 4003 HAS_NL_LANGINFO
4004
43999f95
JH		 4005 so that Configure picks them up. */
4006
e1caacb4
JH		 4007#ifdef UNDER_CE
4008#include "wince.h"
4009#endif
4010
85e6fe83 4011#endif /* Include guard */
Unnamed repository; edit this file 'description' to name the repository.