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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
7114a2d2 416#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 417int syscall(int, ...);
418#endif
419
7114a2d2 420#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 421int usleep(unsigned int);
2ef53570
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
7114a2d2 806#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 807#include <sys/mode.h>
808#endif
809
c623bd54
LW		 810#ifndef S_IFMT
811# ifdef _S_IFMT
812# define S_IFMT _S_IFMT
813# else
814# define S_IFMT 0170000
815# endif
816#endif
817
818#ifndef S_ISDIR
819# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
820#endif
821
822#ifndef S_ISCHR
823# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
824#endif
825
826#ifndef S_ISBLK
fe14fcc3
LW		 827# ifdef S_IFBLK
828# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
829# else
830# define S_ISBLK(m) (0)
831# endif
c623bd54
LW		 832#endif
833
834#ifndef S_ISREG
835# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
836#endif
837
838#ifndef S_ISFIFO
fe14fcc3
LW		 839# ifdef S_IFIFO
840# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
841# else
842# define S_ISFIFO(m) (0)
843# endif
c623bd54
LW		 844#endif
845
846#ifndef S_ISLNK
847# ifdef _S_ISLNK
848# define S_ISLNK(m) _S_ISLNK(m)
849# else
850# ifdef _S_IFLNK
851# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
852# else
853# ifdef S_IFLNK
854# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
855# else
856# define S_ISLNK(m) (0)
857# endif
858# endif
859# endif
860#endif
861
862#ifndef S_ISSOCK
863# ifdef _S_ISSOCK
864# define S_ISSOCK(m) _S_ISSOCK(m)
865# else
866# ifdef _S_IFSOCK
867# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
868# else
869# ifdef S_IFSOCK
870# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
871# else
872# define S_ISSOCK(m) (0)
873# endif
874# endif
875# endif
876#endif
877
878#ifndef S_IRUSR
879# ifdef S_IREAD
880# define S_IRUSR S_IREAD
881# define S_IWUSR S_IWRITE
882# define S_IXUSR S_IEXEC
883# else
884# define S_IRUSR 0400
885# define S_IWUSR 0200
886# define S_IXUSR 0100
887# endif
fac7cdfc
JS		 888#endif
889
890#ifndef S_IRGRP
891# ifdef S_IRUSR
892# define S_IRGRP (S_IRUSR>>3)
893# define S_IWGRP (S_IWUSR>>3)
894# define S_IXGRP (S_IXUSR>>3)
895# else
896# define S_IRGRP 0040
897# define S_IWGRP 0020
898# define S_IXGRP 0010
899# endif
900#endif
901
902#ifndef S_IROTH
903# ifdef S_IRUSR
904# define S_IROTH (S_IRUSR>>6)
905# define S_IWOTH (S_IWUSR>>6)
906# define S_IXOTH (S_IXUSR>>6)
907# else
908# define S_IROTH 0040
909# define S_IWOTH 0020
910# define S_IXOTH 0010
911# endif
c623bd54
LW		 912#endif
913
914#ifndef S_ISUID
915# define S_ISUID 04000
916#endif
917
918#ifndef S_ISGID
919# define S_ISGID 02000
920#endif
921
ca6e1c26
JH		 922#ifndef S_IRWXU
923# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 924#endif
ca6e1c26
JH		 925
926#ifndef S_IRWXG
927# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 928#endif
ca6e1c26
JH		 929
930#ifndef S_IRWXO
931# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 932#endif
ca6e1c26
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
7114a2d2 1288#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 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
ca6c63e1
JH		 1363#ifdef UNDER_CE
1364int isnan(double d);
1365#endif
1366
758a5d79
JH		 1367#ifndef Perl_isinf
1368# ifdef HAS_ISINF
1369# define Perl_isinf(x) isinf((NV)x)
a3540c92 1370# else
758a5d79
JH		 1371# ifdef Perl_fp_class_inf
1372# define Perl_isinf(x) Perl_fp_class_inf(x)
1373# else
1374# define Perl_isinf(x) ((x)==NV_INF)
1375# endif
1376# endif
1377#endif
1378
1379#ifndef Perl_isfinite
1380# ifdef HAS_FINITE
1381# define Perl_isfinite(x) finite((NV)x)
1382# else
1383# ifdef HAS_ISFINITE
1384# define Perl_isfinite(x) isfinite(x)
1385# else
1386# ifdef Perl_fp_class_finite
1387# define Perl_isfinite(x) Perl_fp_class_finite(x)
1388# else
1389# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1390# endif
1391# endif
a3540c92 1392# endif
65202027
DS		 1393#endif
1394
1f727ac0
HS		 1395#define Perl_atof(s) Perl_my_atof(s)
1396#define Perl_atof2(s, np) Perl_my_atof2(s, np)
cf2093f6 1397
d460ef45 1398/* Previously these definitions used hardcoded figures.
760ac839
LW		 1399 * It is hoped these formula are more portable, although
1400 * no data one way or another is presently known to me.
1401 * The "PERL_" names are used because these calculated constants
1402 * do not meet the ANSI requirements for LONG_MAX, etc., which
1403 * need to be constants acceptable to #if - kja
1404 * define PERL_LONG_MAX 2147483647L
1405 * define PERL_LONG_MIN (-LONG_MAX - 1)
1406 * define PERL ULONG_MAX 4294967295L
1407 */
1408
1409#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1410# include <limits.h>
1411#else
1412#ifdef I_VALUES
1413# include <values.h>
1414#endif
1415#endif
1416
99abf803 1417/*
1418 * Try to figure out max and min values for the integral types. THE CORRECT
1419 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1420 * following hacks are used if neither limits.h or values.h provide them:
1421 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1422 * for types < int: (unsigned TYPE)~(unsigned)0
1423 * The argument to ~ must be unsigned so that later signed->unsigned
1424 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1425 * and it must not be smaller than int because ~ does integral promotion.
1426 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1427 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1428 * The latter is a hack which happens to work on some machines but
1429 * does *not* catch any random system, or things like integer types
1430 * with NaN if that is possible.
1431 *
1432 * All of the types are explicitly cast to prevent accidental loss of
1433 * numeric range, and in the hope that they will be less likely to confuse
1434 * over-eager optimizers.
1435 *
1436 */
27d4fb96 1437
99abf803 1438#define PERL_UCHAR_MIN ((unsigned char)0)
1439
1440#ifdef UCHAR_MAX
1441# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1442#else
99abf803 1443# ifdef MAXUCHAR
1444# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1445# else
99abf803 1446# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1447# endif
1448#endif
d460ef45 1449
99abf803 1450/*
1451 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1452 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1453 * depending on local options. Until Configure detects this (or at least
1454 * detects whether the "signed" keyword is available) the CHAR ranges
1455 * will not be included. UCHAR functions normally.
1456 * - kja
1457 */
27d4fb96 1458
99abf803 1459#define PERL_USHORT_MIN ((unsigned short)0)
1460
1461#ifdef USHORT_MAX
1462# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1463#else
99abf803 1464# ifdef MAXUSHORT
1465# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1466# else
ef2f54b0
CB		 1467# ifdef USHRT_MAX
1468# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1469# else
1470# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1471# endif
27d4fb96 1472# endif
1473#endif
1474
27d4fb96 1475#ifdef SHORT_MAX
99abf803 1476# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1477#else
1478# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1479# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1480# else
ef2f54b0
CB		 1481# ifdef SHRT_MAX
1482# define PERL_SHORT_MAX ((short)SHRT_MAX)
1483# else
1484# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1485# endif
27d4fb96 1486# endif
1487#endif
1488
1489#ifdef SHORT_MIN
99abf803 1490# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1491#else
1492# ifdef MINSHORT
99abf803 1493# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1494# else
ef2f54b0
CB		 1495# ifdef SHRT_MIN
1496# define PERL_SHORT_MIN ((short)SHRT_MIN)
1497# else
1498# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1499# endif
27d4fb96 1500# endif
1501#endif
1502
99abf803 1503#ifdef UINT_MAX
1504# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1505#else
99abf803 1506# ifdef MAXUINT
1507# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1508# else
99abf803 1509# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1510# endif
1511#endif
1512
99abf803 1513#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1514
1515#ifdef INT_MAX
99abf803 1516# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1517#else
1518# ifdef MAXINT /* Often used in <values.h> */
99abf803 1519# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1520# else
99abf803 1521# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1522# endif
1523#endif
1524
1525#ifdef INT_MIN
99abf803 1526# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1527#else
1528# ifdef MININT
99abf803 1529# define PERL_INT_MIN ((int)MININT)
27d4fb96 1530# else
1531# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1532# endif
1533#endif
1534
99abf803 1535#ifdef ULONG_MAX
1536# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1537#else
99abf803 1538# ifdef MAXULONG
1539# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1540# else
99abf803 1541# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1542# endif
1543#endif
1544
99abf803 1545#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1546
760ac839 1547#ifdef LONG_MAX
99abf803 1548# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1549#else
1550# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1551# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1552# else
99abf803 1553# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1554# endif
1555#endif
1556
1557#ifdef LONG_MIN
99abf803 1558# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1559#else
1560# ifdef MINLONG
99abf803 1561# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1562# else
27d4fb96 1563# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1564# endif
1565#endif
1566
d7d93a81 1567#ifdef UV_IS_QUAD
99abf803 1568
99abf803 1569# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1570# define PERL_UQUAD_MIN ((UV)0)
99abf803 1571# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1572# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1573
79072805
LW		 1574#endif
1575
880b20b6
IZ		 1576struct perl_mstats {
1577 UV *nfree;
1578 UV *ntotal;
1579 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1580 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1581 IV minbucket;
1582 /* Level 1 info */
1583 UV *bucket_mem_size;
1584 UV *bucket_available_size;
1585 UV nbuckets;
1586};
830247a4 1587struct RExC_state_t;
880b20b6 1588
ee0007ab 1589typedef MEM_SIZE STRLEN;
450a55e4 1590
79072805
LW		 1591typedef struct op OP;
1592typedef struct cop COP;
1593typedef struct unop UNOP;
1594typedef struct binop BINOP;
1595typedef struct listop LISTOP;
1596typedef struct logop LOGOP;
79072805
LW		 1597typedef struct pmop PMOP;
1598typedef struct svop SVOP;
7934575e 1599typedef struct padop PADOP;
79072805 1600typedef struct pvop PVOP;
79072805
LW		 1601typedef struct loop LOOP;
1602
93a17b20 1603typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1604
1605/* Amdahl's <ksync.h> has struct sv */
1606/* SGI's <sys/sema.h> has struct sv */
1607#if defined(UTS) || defined(__sgi)
1608# define STRUCT_SV perl_sv
b8d3c5db
JH		 1609#else
1610# define STRUCT_SV sv
1611#endif
1612typedef struct STRUCT_SV SV;
79072805
LW		 1613typedef struct av AV;
1614typedef struct hv HV;
1615typedef struct cv CV;
378cc40b 1616typedef struct regexp REGEXP;
79072805 1617typedef struct gp GP;
0c30d9ec 1618typedef struct gv GV;
8990e307 1619typedef struct io IO;
c09156bb 1620typedef struct context PERL_CONTEXT;
79072805
LW		 1621typedef struct block BLOCK;
1622
1623typedef struct magic MAGIC;
ed6116ce 1624typedef struct xrv XRV;
79072805
LW		 1625typedef struct xpv XPV;
1626typedef struct xpviv XPVIV;
ff68c719 1627typedef struct xpvuv XPVUV;
79072805
LW		 1628typedef struct xpvnv XPVNV;
1629typedef struct xpvmg XPVMG;
1630typedef struct xpvlv XPVLV;
1631typedef struct xpvav XPVAV;
1632typedef struct xpvhv XPVHV;
1633typedef struct xpvgv XPVGV;
1634typedef struct xpvcv XPVCV;
1635typedef struct xpvbm XPVBM;
1636typedef struct xpvfm XPVFM;
8990e307 1637typedef struct xpvio XPVIO;
79072805
LW		 1638typedef struct mgvtbl MGVTBL;
1639typedef union any ANY;
5f7fde29
GS		 1640typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1641typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1642typedef struct clone_params CLONE_PARAMS;
1643
8d063cd8 1644
378cc40b 1645#include "handy.h"
a0d0e21e 1646
6b8eaf93 1647#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1648# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1649# define USE_64_BIT_RAWIO /* implicit */
1650# endif
4564133c
JH		 1651#endif
1652
6b8eaf93
JH		 1653/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1654 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1655 * however, because operating systems like to do that themself. */
1656#ifndef FSEEKSIZE
1657# ifdef HAS_FSEEKO
1658# define FSEEKSIZE LSEEKSIZE
1659# else
1660# define FSEEKSIZE LONGSIZE
d460ef45 1661# endif
6b8eaf93
JH		 1662#endif
1663
1664#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1665# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1666# define USE_64_BIT_STDIO /* implicit */
1667# endif
1668#endif
4564133c 1669
09458382 1670#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1671# ifdef HAS_OFF64_T
1672# undef Off_t
1673# define Off_t off64_t
1674# undef LSEEKSIZE
1675# define LSEEKSIZE 8
5ff3f7a4 1676# endif
d9b3e12d
JH		 1677/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1678 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1679 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1680# if defined(USE_OPEN64)
1681# define open open64
5ff3f7a4 1682# endif
d9b3e12d
JH		 1683# if defined(USE_LSEEK64)
1684# define lseek lseek64
6b8eaf93
JH		 1685# else
1686# if defined(USE_LLSEEK)
1687# define lseek llseek
1688# endif
d9b3e12d
JH		 1689# endif
1690# if defined(USE_STAT64)
1691# define stat stat64
1692# endif
1693# if defined(USE_FSTAT64)
1694# define fstat fstat64
1695# endif
1696# if defined(USE_LSTAT64)
1697# define lstat lstat64
1698# endif
1699# if defined(USE_FLOCK64)
1700# define flock flock64
1701# endif
1702# if defined(USE_LOCKF64)
1703# define lockf lockf64
1704# endif
1705# if defined(USE_FCNTL64)
1706# define fcntl fcntl64
1707# endif
1708# if defined(USE_TRUNCATE64)
1709# define truncate truncate64
1710# endif
1711# if defined(USE_FTRUNCATE64)
1712# define ftruncate ftruncate64
1713# endif
1714#endif
1715
1716#ifdef USE_64_BIT_STDIO
1717# ifdef HAS_FPOS64_T
1718# undef Fpos_t
1719# define Fpos_t fpos64_t
1720# endif
1721/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1722 * will trigger defines like the ones below. Some 64-bit environments,
1723 * however, do not. */
1724# if defined(USE_FOPEN64)
1725# define fopen fopen64
1726# endif
1727# if defined(USE_FSEEK64)
6b8eaf93 1728# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1729# endif
1730# if defined(USE_FTELL64)
6b8eaf93 1731# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1732# endif
1733# if defined(USE_FSETPOS64)
1734# define fsetpos fsetpos64
1735# endif
1736# if defined(USE_FGETPOS64)
1737# define fgetpos fgetpos64
1738# endif
1739# if defined(USE_TMPFILE64)
1740# define tmpfile tmpfile64
1741# endif
1742# if defined(USE_FREOPEN64)
1743# define freopen freopen64
5ff3f7a4
GS		 1744# endif
1745#endif
1746
af8b425d 1747#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1748# include "iperlsys.h"
1749#endif
1750
6f71a643
JH		 1751#if defined(__OPEN_VM)
1752# include "vmesa/vmesaish.h"
1753#endif
1754
748a9306 1755#ifdef DOSISH
4633a7c4
LW		 1756# if defined(OS2)
1757# include "os2ish.h"
1758# else
748a9306 1759# include "dosish.h"
4633a7c4 1760# endif
a0d0e21e 1761#else
748a9306
LW		 1762# if defined(VMS)
1763# include "vmsish.h"
96e176bf 1764# include "embed.h"
748a9306 1765# else
0c30d9ec 1766# if defined(PLAN9)
1767# include "./plan9/plan9ish.h"
1768# else
1d84e8df
JH		 1769# if defined(MPE)
1770# include "mpeix/mpeixish.h"
1771# else
495c5fdc
PG		 1772# if defined(__VOS__)
1773# include "vosish.h"
1774# else
4d2c4e07
OF		 1775# if defined(EPOC)
1776# include "epocish.h"
1777# else
cd39f2b6
JH		 1778# if defined(MACOS_TRADITIONAL)
1779# include "macos/macish.h"
2b3f4ecd
JH		 1780# ifndef NO_ENVIRON_ARRAY
1781# define NO_ENVIRON_ARRAY
1782# endif
cd39f2b6
JH		 1783# else
1784# include "unixish.h"
1785# endif
4d2c4e07 1786# endif
495c5fdc 1787# endif
1d84e8df 1788# endif
0c30d9ec 1789# endif
748a9306 1790# endif
13b6e58c
JH		 1791#endif
1792
1793#ifndef NO_ENVIRON_ARRAY
1794# define USE_ENVIRON_ARRAY
1795#endif
32f822de 1796
103a7189
JH		 1797#ifdef JPL
1798 /* E.g. JPL needs to operate on a copy of the real environment.
1799 * JDK 1.2 and 1.3 seem to get upset if the original environment
1800 * is diddled with. */
1801# define NEED_ENVIRON_DUP_FOR_MODIFY
1802#endif
1803
c77b533b
JH		 1804/*
1805 * initialise to avoid floating-point exceptions from overflow, etc
1806 */
1807#ifndef PERL_FPU_INIT
1808# ifdef HAS_FPSETMASK
1809# if HAS_FLOATINGPOINT_H
1810# include <floatingpoint.h>
1811# endif
1812# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1813# else
7014c407
JH		 1814# if defined(SIGFPE) && defined(SIG_IGN)
1815# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1816# else
1817# define PERL_FPU_INIT
1818# endif
c77b533b
JH		 1819# endif
1820#endif
1821
ed344e4f
IZ		 1822#ifndef PERL_SYS_INIT3
1823# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1824#endif
1825
be708cc0
JH		 1826#ifndef PERL_WRITE_MSG_TO_CONSOLE
1827# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1828#endif
1829
0f31cffe
GS		 1830#ifndef MAXPATHLEN
1831# ifdef PATH_MAX
b990c8b2
JH		 1832# ifdef _POSIX_PATH_MAX
1833# if PATH_MAX > _POSIX_PATH_MAX
1834/* MAXPATHLEN is supposed to include the final null character,
1835 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1836# define MAXPATHLEN (PATH_MAX+1)
1837# else
1838# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1839# endif
1840# else
1841# define MAXPATHLEN (PATH_MAX+1)
1842# endif
0f31cffe 1843# else
b990c8b2
JH		 1844# ifdef _POSIX_PATH_MAX
1845# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1846# else
1847# define MAXPATHLEN 1024 /* Err on the large side. */
1848# endif
0f31cffe
GS		 1849# endif
1850#endif
1851
d460ef45 1852/*
4d1ff10f 1853 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1854 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1855 * this results in many functions being undeclared which bothers C++
1856 * May make sense to have threads after "*ish.h" anyway
1857 */
1858
4d1ff10f
AB		 1859#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
1860# if defined(USE_5005THREADS)
79d59c5f
GS		 1861 /* pending resolution of licensing issues, we avoid the erstwhile
1862 * atomic.h everywhere */
1863# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1864# endif
2986a63f
JH		 1865# ifdef NETWARE
1866# include <nw5thread.h>
1867# else
32f822de
GS		 1868# ifdef FAKE_THREADS
1869# include "fakethr.h"
1870# else
1871# ifdef WIN32
1872# include <win32thread.h>
1873# else
dd96f567
IZ		 1874# ifdef OS2
1875# include "os2thread.h"
1876# else
7f3d1cf1 1877# ifdef I_MACH_CTHREADS
bdd66968 1878# include <mach/cthreads.h>
8f1f23e8 1879# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 1880# define MUTEX_INIT_CALLS_MALLOC
1881# endif
7f3d1cf1
BH		 1882typedef cthread_t perl_os_thread;
1883typedef mutex_t perl_mutex;
1884typedef condition_t perl_cond;
1885typedef void * perl_key;
1886# else /* Posix threads */
1f5ae88c
JH		 1887# ifdef I_PTHREAD
1888# include <pthread.h>
1889# endif
7f3d1cf1
BH		 1890typedef pthread_t perl_os_thread;
1891typedef pthread_mutex_t perl_mutex;
1892typedef pthread_cond_t perl_cond;
1893typedef pthread_key_t perl_key;
1894# endif /* I_MACH_CTHREADS */
dd96f567 1895# endif /* OS2 */
32f822de
GS		 1896# endif /* WIN32 */
1897# endif /* FAKE_THREADS */
2986a63f 1898#endif /* NETWARE */
4d1ff10f 1899#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 1900
66a93824 1901#if defined(WIN32)
1feb2720 1902# include "win32.h"
c5be433b
GS		 1903#endif
1904
2986a63f
JH		 1905#ifdef NETWARE
1906# include "netware.h"
1907#endif
1908
68dc0745 1909#ifdef VMS
6b88bc9c 1910# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 1911# define STATUS_NATIVE_EXPORT \
d98f61e7 1912 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 1913# define STATUS_NATIVE_SET(n) \
1914 STMT_START { \
6b88bc9c
GS		 1915 PL_statusvalue_vms = (n); \
1916 if ((I32)PL_statusvalue_vms == -1) \
3280af22 1917 PL_statusvalue = -1; \
6b88bc9c 1918 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 1919 PL_statusvalue = 0; \
6b88bc9c
GS		 1920 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
1921 PL_statusvalue = 1 << 8; \
68dc0745 1922 else \
6b88bc9c 1923 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 1924 } STMT_END
3280af22 1925# define STATUS_POSIX PL_statusvalue
68dc0745 1926# ifdef VMSISH_STATUS
1927# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1928# else
1929# define STATUS_CURRENT STATUS_POSIX
1930# endif
1931# define STATUS_POSIX_SET(n) \
1932 STMT_START { \
3280af22
NIS		 1933 PL_statusvalue = (n); \
1934 if (PL_statusvalue != -1) { \
1935 PL_statusvalue &= 0xFFFF; \
6b88bc9c 1936 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 1937 } \
6b88bc9c 1938 else PL_statusvalue_vms = -1; \
68dc0745 1939 } STMT_END
6b88bc9c
GS		 1940# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
1941# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 1942#else
1943# define STATUS_NATIVE STATUS_POSIX
1944# define STATUS_NATIVE_EXPORT STATUS_POSIX
1945# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 1946# define STATUS_POSIX PL_statusvalue
68dc0745 1947# define STATUS_POSIX_SET(n) \
1948 STMT_START { \
3280af22
NIS		 1949 PL_statusvalue = (n); \
1950 if (PL_statusvalue != -1) \
1951 PL_statusvalue &= 0xFFFF; \
68dc0745 1952 } STMT_END
1953# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 1954# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
1955# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 1956#endif
1957
cc3604b1
GS		 1958/* flags in PL_exit_flags for nature of exit() */
1959#define PERL_EXIT_EXPECTED 0x01
31d77e54 1960#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 1961
0b94c7bb 1962#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 1963# define MEMBER_TO_FPTR(name) name
1964#endif
1965
1966/* format to use for version numbers in file/directory names */
273cf8d1 1967/* XXX move to Configure? */
a7cb1f99 1968#ifndef PERL_FS_VER_FMT
273cf8d1 1969# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 1970#endif
1971
45bc9206 1972/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 1973 * performance issue, so we allow people to disable it. Also, if
1974 * we are using stdio, there are broken implementations of fflush(NULL)
1975 * out there, Solaris being the most prominent.
45bc9206
GS		 1976 */
1977#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 1978# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 1979# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 1980# else
1981# ifdef FFLUSH_ALL
1982# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 1983# else
c5be433b 1984# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 1985# endif
66fe083f 1986# endif
45bc9206
GS		 1987#endif
1988
7766f137
GS		 1989#ifndef PERL_WAIT_FOR_CHILDREN
1990# define PERL_WAIT_FOR_CHILDREN NOOP
1991#endif
1992
ba869deb 1993/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 1994#ifndef PERL_SET_INTERP
1995# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
1996#endif
1997
1998#ifndef PERL_GET_INTERP
1999# define PERL_GET_INTERP (PL_curinterp)
2000#endif
2001
54aff467 2002#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 2003# ifdef USE_5005THREADS
ba869deb 2004# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS		 2005# else
2006# ifdef MULTIPLICITY
ba869deb 2007# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS		 2008# endif
2009# endif
ba869deb
GS		 2010# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2011#endif
2012
894356b3
GS		 2013#ifndef SVf
2014# ifdef CHECK_FORMAT
2015# define SVf "p"
2016# else
2017# define SVf "_"
d460ef45 2018# endif
894356b3
GS		 2019#endif
2020
d2560b70
RB		 2021#ifndef UVf
2022# ifdef CHECK_FORMAT
2023# define UVf UVuf
2024# else
2025# define UVf "Vu"
d460ef45 2026# endif
d2560b70
RB		 2027#endif
2028
2029#ifndef VDf
2030# ifdef CHECK_FORMAT
2031# define VDf "p"
2032# else
2033# define VDf "vd"
d460ef45 2034# endif
d2560b70
RB		 2035#endif
2036
b3fe4827
RB		 2037#ifndef Nullformat
2038# ifdef CHECK_FORMAT
2039# define Nullformat "%s",""
2040# else
2041# define Nullformat Nullch
2042# endif
2043#endif
2044
3fc1aec6 2045/* Some unistd.h's give a prototype for pause() even though
2046 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2047 below to be rejected by the compiler. Sigh.
3fc1aec6 2048*/
2049#ifdef HAS_PAUSE
2050#define Pause pause
2051#else
2052#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2053#endif
2054
2055#ifndef IOCPARM_LEN
2056# ifdef IOCPARM_MASK
2057 /* on BSDish systes we're safe */
2058# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2059# else
2060 /* otherwise guess at what's safe */
2061# define IOCPARM_LEN(x) 256
2062# endif
a0d0e21e
LW		 2063#endif
2064
1761cee5 2065#if defined(__CYGWIN__)
521e0776
GS		 2066/* USEMYBINMODE
2067 * This symbol, if defined, indicates that the program should
16fe6d59 2068 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2069 * that a file is in "binary" mode -- that is, that no translation
2070 * of bytes occurs on read or write operations.
2071 */
2072# define USEMYBINMODE / **/
16fe6d59
GS		 2073# define my_binmode(fp, iotype, mode) \
2074 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2075#endif
2076
cea2e8a9
GS		 2077#ifdef UNION_ANY_DEFINITION
2078UNION_ANY_DEFINITION;
2079#else
2080union any {
2081 void* any_ptr;
2082 I32 any_i32;
2083 IV any_iv;
2084 long any_long;
c76ac1ee 2085 void (*any_dptr) (void*);
acfe0abc 2086 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2087};
2088#endif
2089
4d1ff10f 2090#ifdef USE_5005THREADS
cea2e8a9
GS		 2091#define ARGSproto struct perl_thread *thr
2092#else
2093#define ARGSproto
4d1ff10f 2094#endif /* USE_5005THREADS */
cea2e8a9 2095
acfe0abc 2096typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2097
2098#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2099#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2100#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2101
af8b425d 2102#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2103# include "iperlsys.h"
2104#endif
378cc40b 2105#include "regexp.h"
79072805 2106#include "sv.h"
378cc40b 2107#include "util.h"
8d063cd8 2108#include "form.h"
79072805
LW		 2109#include "gv.h"
2110#include "cv.h"
abdd5c84 2111#include "opnames.h"
79072805
LW		 2112#include "op.h"
2113#include "cop.h"
2114#include "av.h"
2115#include "hv.h"
2116#include "mg.h"
2117#include "scope.h"
4438c4b7 2118#include "warnings.h"
a0ed51b3 2119#include "utf8.h"
cd1ee231 2120#include "sharedsv.h"
8d063cd8 2121
7fae4e64
GS		 2122/* Current curly descriptor */
2123typedef struct curcur CURCUR;
2124struct curcur {
2125 int parenfloor; /* how far back to strip paren data */
2126 int cur; /* how many instances of scan we've matched */
2127 int min; /* the minimal number of scans to match */
2128 int max; /* the maximal number of scans to match */
2129 int minmod; /* whether to work our way up or down */
2130 regnode * scan; /* the thing to match */
2131 regnode * next; /* what has to match after it */
2132 char * lastloc; /* where we started matching this scan */
2133 CURCUR * oldcc; /* current curly before we started this one */
2134};
2135
2136typedef struct _sublex_info SUBLEXINFO;
2137struct _sublex_info {
2138 I32 super_state; /* lexer state to save */
2139 I32 sub_inwhat; /* "lex_inwhat" to use */
2140 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2141 char *super_bufptr; /* PL_bufptr that was */
2142 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2143};
2144
455ece5e 2145typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2146
2c2d71f5 2147struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2148struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2149
2150typedef I32 CHECKPOINT;
76e3520e 2151
5f7fde29
GS		 2152struct ptr_tbl_ent {
2153 struct ptr_tbl_ent* next;
2154 void* oldval;
2155 void* newval;
d18c6117
GS		 2156};
2157
5f7fde29
GS		 2158struct ptr_tbl {
2159 struct ptr_tbl_ent** tbl_ary;
2160 UV tbl_max;
2161 UV tbl_items;
d18c6117
GS		 2162};
2163
450a55e4 2164#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2165# define I286
2166#endif
2167
fe14fcc3
LW		 2168#if defined(htonl) && !defined(HAS_HTONL)
2169#define HAS_HTONL
ae986130 2170#endif
fe14fcc3
LW		 2171#if defined(htons) && !defined(HAS_HTONS)
2172#define HAS_HTONS
ae986130 2173#endif
fe14fcc3
LW		 2174#if defined(ntohl) && !defined(HAS_NTOHL)
2175#define HAS_NTOHL
ae986130 2176#endif
fe14fcc3
LW		 2177#if defined(ntohs) && !defined(HAS_NTOHS)
2178#define HAS_NTOHS
ae986130 2179#endif
fe14fcc3 2180#ifndef HAS_HTONL
d9d8d8de 2181#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2182#define HAS_HTONS
2183#define HAS_HTONL
2184#define HAS_NTOHS
2185#define HAS_NTOHL
a687059c
LW		 2186#define MYSWAP
2187#define htons my_swap
2188#define htonl my_htonl
2189#define ntohs my_swap
2190#define ntohl my_ntohl
2191#endif
2192#else
d9d8d8de 2193#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2194#undef HAS_HTONS
2195#undef HAS_HTONL
2196#undef HAS_NTOHS
2197#undef HAS_NTOHL
a687059c
LW		 2198#endif
2199#endif
2200
988174c1
LW		 2201/*
2202 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2203 * -DWS
2204 */
2205#if BYTEORDER != 0x1234
2206# define HAS_VTOHL
2207# define HAS_VTOHS
2208# define HAS_HTOVL
2209# define HAS_HTOVS
c67712b2 2210# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2211# define vtohl(x) ((((x)&0xFF)<<24) \
2212 +(((x)>>24)&0xFF) \
2213 +(((x)&0x0000FF00)<<8) \
2214 +(((x)&0x00FF0000)>>8) )
2215# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2216# define htovl(x) vtohl(x)
2217# define htovs(x) vtohs(x)
2218# endif
2219 /* otherwise default to functions in util.c */
2220#endif
2221
3bb7c1b4
JH		 2222/* *MAX Plus 1. A floating point value.
2223 Hopefully expressed in a way that dodgy floating point can't mess up.
2224 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2225 is added to it
2226 May find that some broken compiler will want the value cast to I32.
2227 [after the shift, as signed >> may not be as secure as unsigned >>]
2228*/
2229#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2230#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2231/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2232 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2233 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2234*/
2235#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2236
3bb7c1b4
JH		 2237#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2238#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2239#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2240
2241/* This may look like unnecessary jumping through hoops, but converting
2242 out of range floating point values to integers *is* undefined behaviour,
2243 and it is starting to bite.
2244*/
2245#ifndef CAST_INLINE
65202027 2246#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2247#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2248#define I_V(what) (cast_iv((NV)(what)))
2249#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2250#else
2251#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2252 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2253 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2254#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2255 : ((n) < U32_MAX_P1 ? (U32) (n) \
2256 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2257#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2258 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2259 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2260#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2261 : ((n) < UV_MAX_P1 ? (UV) (n) \
2262 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2263#endif
2264
2265#define U_S(what) ((U16)U_32(what))
2266#define U_I(what) ((unsigned int)U_32(what))
2267#define U_L(what) U_32(what)
ed6116ce 2268
2d4389e4
JH		 2269/* These do not care about the fractional part, only about the range. */
2270#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2271#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2272
25da4f38
IZ		 2273/* Used with UV/IV arguments: */
2274 /* XXXX: need to speed it up */
2275#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2276#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2277
352d5a3a
LW		 2278#ifndef MAXSYSFD
2279# define MAXSYSFD 2
2280#endif
ee0007ab 2281
79072805 2282#ifndef __cplusplus
e1caacb4 2283#ifndef UNDER_CE
20ce7b12
GS		 2284Uid_t getuid (void);
2285Uid_t geteuid (void);
2286Gid_t getgid (void);
2287Gid_t getegid (void);
79072805 2288#endif
e1caacb4 2289#endif
8d063cd8 2290
0c30d9ec 2291#ifndef Perl_debug_log
bf49b057
GS		 2292# define Perl_debug_log PerlIO_stderr()
2293#endif
2294
2295#ifndef Perl_error_log
2296# define Perl_error_log (PL_stderrgv \
01bb7c6d 2297 && GvIOp(PL_stderrgv) \
42de951c 2298 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2299 ? IoOFP(GvIOp(PL_stderrgv)) \
2300 : PerlIO_stderr())
0c30d9ec 2301#endif
3967c732 2302
aea4f609
DM		 2303
2304#define DEBUG_p_FLAG 0x00000001 /* 1 */
2305#define DEBUG_s_FLAG 0x00000002 /* 2 */
2306#define DEBUG_l_FLAG 0x00000004 /* 4 */
2307#define DEBUG_t_FLAG 0x00000008 /* 8 */
2308#define DEBUG_o_FLAG 0x00000010 /* 16 */
2309#define DEBUG_c_FLAG 0x00000020 /* 32 */
2310#define DEBUG_P_FLAG 0x00000040 /* 64 */
2311#define DEBUG_m_FLAG 0x00000080 /* 128 */
2312#define DEBUG_f_FLAG 0x00000100 /* 256 */
2313#define DEBUG_r_FLAG 0x00000200 /* 512 */
2314#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2315#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2316#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2317#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2318#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2319#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2320#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2321#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8
DM		 2322#define DEBUG_R_FLAG 0x00040000 /* 262144 */
2323#define DEBUG_MASK 0x0007FFFF /* mask of all the standard flags */
aea4f609
DM		 2324
2325#define DEBUG_DB_RECURSE_FLAG 0x40000000
2326#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? */
2327
2328
3967c732 2329#ifdef DEBUGGING
aea4f609
DM		 2330
2331# undef YYDEBUG
2332# define YYDEBUG 1
2333
2334# define DEBUG_p_TEST (PL_debug & DEBUG_p_FLAG)
2335# define DEBUG_s_TEST (PL_debug & DEBUG_s_FLAG)
2336# define DEBUG_l_TEST (PL_debug & DEBUG_l_FLAG)
2337# define DEBUG_t_TEST (PL_debug & DEBUG_t_FLAG)
2338# define DEBUG_o_TEST (PL_debug & DEBUG_o_FLAG)
2339# define DEBUG_c_TEST (PL_debug & DEBUG_c_FLAG)
2340# define DEBUG_P_TEST (PL_debug & DEBUG_P_FLAG)
2341# define DEBUG_m_TEST (PL_debug & DEBUG_m_FLAG)
2342# define DEBUG_f_TEST (PL_debug & DEBUG_f_FLAG)
2343# define DEBUG_r_TEST (PL_debug & DEBUG_r_FLAG)
2344# define DEBUG_x_TEST (PL_debug & DEBUG_x_FLAG)
2345# define DEBUG_u_TEST (PL_debug & DEBUG_u_FLAG)
2346# define DEBUG_L_TEST (PL_debug & DEBUG_L_FLAG)
2347# define DEBUG_H_TEST (PL_debug & DEBUG_H_FLAG)
2348# define DEBUG_X_TEST (PL_debug & DEBUG_X_FLAG)
2349# define DEBUG_D_TEST (PL_debug & DEBUG_D_FLAG)
2350# define DEBUG_S_TEST (PL_debug & DEBUG_S_FLAG)
2351# define DEBUG_T_TEST (PL_debug & DEBUG_T_FLAG)
04932ac8 2352# define DEBUG_R_TEST (PL_debug & DEBUG_R_FLAG)
aea4f609
DM		 2353
2354# define DEB(a) a
2355# define DEBUG(a) if (PL_debug) a
2356# define DEBUG_p(a) if (DEBUG_p_TEST) a
2357# define DEBUG_s(a) if (DEBUG_s_TEST) a
2358# define DEBUG_l(a) if (DEBUG_l_TEST) a
2359# define DEBUG_t(a) if (DEBUG_t_TEST) a
2360# define DEBUG_o(a) if (DEBUG_o_TEST) a
2361# define DEBUG_c(a) if (DEBUG_c_TEST) a
2362# define DEBUG_P(a) if (DEBUG_P_TEST) a
2363
969058bb
VK		 2364 /* Temporarily turn off memory debugging in case the a
2365 * does memory allocation, either directly or indirectly. */
acfe0abc 2366# define DEBUG_m(a) \
0b250b9e 2367 STMT_START { \
aea4f609 2368 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2369 } STMT_END
aea4f609 2370
5f80b19c
AMS		 2371# define DEBUG__(t, a) \
2372 STMT_START { \
2373 if (t) STMT_START {a;} STMT_END; \
2374 } STMT_END
2375
2376# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2377# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2378# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2379# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2380# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2381# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2382# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2383# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2384
4d1ff10f 2385# ifdef USE_5005THREADS
5f80b19c 2386# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ		 2387# else
2388# define DEBUG_S(a)
2389# endif
aea4f609 2390
5f80b19c
AMS		 2391# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2392# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
aea4f609
DM		 2393
2394#else /* DEBUGGING */
2395
2396# define DEBUG_p_TEST (0)
2397# define DEBUG_s_TEST (0)
2398# define DEBUG_l_TEST (0)
2399# define DEBUG_t_TEST (0)
2400# define DEBUG_o_TEST (0)
2401# define DEBUG_c_TEST (0)
2402# define DEBUG_P_TEST (0)
2403# define DEBUG_m_TEST (0)
2404# define DEBUG_f_TEST (0)
2405# define DEBUG_r_TEST (0)
2406# define DEBUG_x_TEST (0)
2407# define DEBUG_u_TEST (0)
2408# define DEBUG_L_TEST (0)
2409# define DEBUG_H_TEST (0)
2410# define DEBUG_X_TEST (0)
2411# define DEBUG_D_TEST (0)
2412# define DEBUG_S_TEST (0)
2413# define DEBUG_T_TEST (0)
04932ac8 2414# define DEBUG_R_TEST (0)
aea4f609
DM		 2415
2416# define DEB(a)
2417# define DEBUG(a)
2418# define DEBUG_p(a)
2419# define DEBUG_s(a)
2420# define DEBUG_l(a)
2421# define DEBUG_t(a)
2422# define DEBUG_o(a)
2423# define DEBUG_c(a)
2424# define DEBUG_P(a)
2425# define DEBUG_m(a)
2426# define DEBUG_f(a)
2427# define DEBUG_r(a)
2428# define DEBUG_x(a)
2429# define DEBUG_u(a)
2430# define DEBUG_L(a)
2431# define DEBUG_H(a)
2432# define DEBUG_X(a)
2433# define DEBUG_D(a)
2434# define DEBUG_S(a)
2435# define DEBUG_T(a)
04932ac8 2436# define DEBUG_R(a)
aea4f609
DM		 2437#endif /* DEBUGGING */
2438
2439
d1be9408 2440/* These constants should be used in preference to raw characters
14befaf4
DM		 2441 * when using magic. Note that some perl guts still assume
2442 * certain character properties of these constants, namely that
2443 * isUPPER() and toLOWER() may do useful mappings.
2444 *
2445 * Update the magic_names table in dump.c when adding/amending these
2446 */
2447
2448#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2449#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2450#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2451#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2452#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2453#define PERL_MAGIC_regdata 'D' /* Regex match position data
2454 (@+ and @- vars) */
2455#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2456#define PERL_MAGIC_env 'E' /* %ENV hash */
2457#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2458#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2459#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2460#define PERL_MAGIC_isa 'I' /* @ISA array */
2461#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2462#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2463#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2464#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
2465#define PERL_MAGIC_mutex 'm' /* ??? */
2466#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2467#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2468#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2469#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2470#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2471#define PERL_MAGIC_sig 'S' /* %SIG hash */
2472#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2473#define PERL_MAGIC_taint 't' /* Taintedness */
2474#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
2475#define PERL_MAGIC_vec 'v' /* vec() lvalue */
2476#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2477#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2478 smart parameter vivification */
2479#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2480#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2481#define PERL_MAGIC_pos '.' /* pos() lvalue */
2482#define PERL_MAGIC_backref '<' /* ??? */
2483#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2484
2485
fe14fcc3 2486#define YYMAXDEPTH 300
8d063cd8 2487
a6e633de 2488#ifndef assert /* <assert.h> might have been included somehow */
79072805
LW		 2489#define assert(what) DEB( { \
2490 if (!(what)) { \
cea2e8a9 2491 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2492 __FILE__, __LINE__); \
cea2e8a9 2493 PerlProc_exit(1); \
79072805 2494 }})
a6e633de 2495#endif
8d063cd8 2496
450a55e4 2497struct ufuncs {
24f81a43
DM		 2498 I32 (*uf_val)(pTHX_ IV, SV*);
2499 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2500 IV uf_index;
450a55e4
LW		 2501};
2502
14befaf4 2503/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2504 * XS code wanting to be backward compatible can do something
2505 * like the following:
c745e42c 2506
24f81a43 2507#ifndef PERL_MG_UFUNC
24f81a43
DM		 2508#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2509#endif
2510
2511static PERL_MG_UFUNC(foo_get, index, val)
2512{
2513 sv_setsv(val, ...);
2514 return TRUE;
2515}
2516
2517-- Doug MacEachern
2518
2519*/
2520
fc9c74e6 2521#ifndef PERL_MG_UFUNC
24f81a43 2522#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2523#endif
24f81a43 2524
fe14fcc3 2525/* Fix these up for __STDC__ */
68dc0745 2526#ifndef DONT_DECLARE_STD
20ce7b12 2527char *mktemp (char*);
37bd1396 2528#ifndef atof
20ce7b12 2529double atof (const char*);
a0d0e21e 2530#endif
37bd1396 2531#endif
79072805 2532
352d5a3a 2533#ifndef STANDARD_C
fe14fcc3 2534/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2535Time_t time();
8d063cd8 2536struct tm *gmtime(), *localtime();
092bebab 2537#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2538char *(strchr)(), *(strrchr)();
2539char *(strcpy)(), *(strcat)();
2540#else
93a17b20 2541char *strchr(), *strrchr();
378cc40b 2542char *strcpy(), *strcat();
9d116dd7 2543#endif
352d5a3a 2544#endif /* ! STANDARD_C */
8d063cd8 2545
79072805
LW		 2546
2547#ifdef I_MATH
2548# include <math.h>
2549#else
32f822de 2550START_EXTERN_C
20ce7b12
GS		 2551 double exp (double);
2552 double log (double);
2553 double log10 (double);
2554 double sqrt (double);
2555 double frexp (double,int*);
2556 double ldexp (double,int);
2557 double modf (double,double*);
2558 double sin (double);
2559 double cos (double);
2560 double atan2 (double,double);
2561 double pow (double,double);
32f822de 2562END_EXTERN_C
79072805
LW		 2563#endif
2564
aa8b85de
JH		 2565#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2566# define NV_INF LDBL_INFINITY
2567#endif
2568#if !defined(NV_INF) && defined(DBL_INFINITY)
2569# define NV_INF (NV)DBL_INFINITY
2570#endif
2571#if !defined(NV_INF) && defined(INFINITY)
2572# define NV_INF (NV)INFINITY
2573#endif
2574#if !defined(NV_INF) && defined(INF)
2575# define NV_INF (NV)INF
2576#endif
2577#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2578# define NV_INF (NV)HUGE_VALL
2579#endif
2580#if !defined(NV_INF) && defined(HUGE_VAL)
2581# define NV_INF (NV)HUGE_VAL
2582#endif
2583
2584#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2585# if !defined(NV_NAN) && defined(LDBL_NAN)
2586# define NV_NAN LDBL_NAN
2587# endif
2588# if !defined(NV_NAN) && defined(LDBL_QNAN)
2589# define NV_NAN LDBL_QNAN
2590# endif
2591# if !defined(NV_NAN) && defined(LDBL_SNAN)
2592# define NV_NAN LDBL_SNAN
2593# endif
2594#endif
2595#if !defined(NV_NAN) && defined(DBL_NAN)
2596# define NV_NAN (NV)DBL_NAN
2597#endif
2598#if !defined(NV_NAN) && defined(DBL_QNAN)
2599# define NV_NAN (NV)DBL_QNAN
2600#endif
2601#if !defined(NV_NAN) && defined(DBL_SNAN)
2602# define NV_NAN (NV)DBL_SNAN
2603#endif
2604#if !defined(NV_NAN) && defined(QNAN)
2605# define NV_NAN (NV)QNAN
2606#endif
2607#if !defined(NV_NAN) && defined(SNAN)
2608# define NV_NAN (NV)SNAN
2609#endif
2610#if !defined(NV_NAN) && defined(NAN)
2611# define NV_NAN (NV)NAN
2612#endif
2613
a0d0e21e 2614#ifndef __cplusplus
8f1f23e8 2615# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2616char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2617# else
fd8cd3a3 2618# if !defined(WIN32) && !defined(VMS)
20ce7b12 2619char *crypt (const char*, const char*);
5014db98 2620# endif /* !WIN32 */
8f1f23e8 2621# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2622# ifndef DONT_DECLARE_STD
2623# ifndef getenv
20ce7b12 2624char *getenv (const char*);
26618a56 2625# endif /* !getenv */
28ca6303 2626# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2627# ifdef _FILE_OFFSET_BITS
28ca6303 2628# if _FILE_OFFSET_BITS == 64
20ce7b12 2629Off_t lseek (int,Off_t,int);
0fc67700
JH		 2630# endif
2631# endif
bf0c440f 2632# endif
26618a56 2633# endif /* !DONT_DECLARE_STD */
20ce7b12 2634char *getlogin (void);
26618a56 2635#endif /* !__cplusplus */
79072805 2636
16d20bd9 2637#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2638#define UNLINK unlnk
20ce7b12 2639I32 unlnk (char*);
8d063cd8 2640#else
80252599 2641#define UNLINK PerlLIO_unlink
8d063cd8 2642#endif
a687059c 2643
fa0a29af
JH		 2644/* some versions of glibc are missing the setresuid() proto */
2645#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2646int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2647#endif
fa0a29af
JH		 2648/* some versions of glibc are missing the setresgid() proto */
2649#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2650int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2651#endif
2652
fe14fcc3 2653#ifndef HAS_SETREUID
85e6fe83
LW		 2654# ifdef HAS_SETRESUID
2655# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2656# define HAS_SETREUID
2657# endif
a687059c 2658#endif
fe14fcc3 2659#ifndef HAS_SETREGID
85e6fe83
LW		 2660# ifdef HAS_SETRESGID
2661# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2662# define HAS_SETREGID
2663# endif
a687059c 2664#endif
ee0007ab 2665
d543acb6 2666/* Sighandler_t defined in iperlsys.h */
ff68c719 2667
2668#ifdef HAS_SIGACTION
2669typedef struct sigaction Sigsave_t;
2670#else
2671typedef Sighandler_t Sigsave_t;
2672#endif
2673
ee0007ab
LW		 2674#define SCAN_DEF 0
2675#define SCAN_TR 1
2676#define SCAN_REPL 2
79072805
LW		 2677
2678#ifdef DEBUGGING
4633a7c4 2679# ifndef register
a0d0e21e
LW		 2680# define register
2681# endif
2682# define PAD_SV(po) pad_sv(po)
cea2e8a9 2683# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2684#else
6b88bc9c 2685# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2686# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2687#endif
2688
18f739ee 2689#ifdef MYMALLOC
772fe5b3 2690# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2691# define MALLOC_INIT \
2692 STMT_START { \
2693 PL_malloc_mutex = NULL; \
2694 MUTEX_INIT(&PL_malloc_mutex); \
2695 } STMT_END
2696# define MALLOC_TERM \
2697 STMT_START { \
2698 perl_mutex tmp = PL_malloc_mutex; \
2699 PL_malloc_mutex = NULL; \
2700 MUTEX_DESTROY(&tmp); \
2701 } STMT_END
2702# else
2703# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2704# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2705# endif
18f739ee
IZ		 2706#else
2707# define MALLOC_INIT
2708# define MALLOC_TERM
2709#endif
2710
b6d9d515 2711
0cb96387
GS		 2712typedef int (CPERLscope(*runops_proc_t)) (pTHX);
2713typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2714
940cb80d 2715/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2716#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2717
8f1f23e8
W		 2718/* NeXT has problems with crt0.o globals */
2719#if defined(__DYNAMIC__) && \
2720 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2721# if defined(NeXT) || defined(__NeXT)
2722# include <mach-o/dyld.h>
2723# define environ (*environ_pointer)
0c30d9ec 2724EXT char *** environ_pointer;
8f1f23e8 2725# else
82cabb9e 2726# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W		 2727# include <crt_externs.h> /* for the env array */
2728# define environ (*_NSGetEnviron())
2729# endif
0c30d9ec 2730# endif
8f1f23e8
W		 2731#else
2732 /* VMS and some other platforms don't use the environ array */
13b6e58c 2733# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2734# if !defined(DONT_DECLARE_STD) || \
2735 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2736 defined(__sgi) || \
d460ef45 2737 defined(__DGUX)
8f1f23e8 2738extern char ** environ; /* environment variables supplied via exec */
a6c40364 2739# endif
8f1f23e8
W		 2740# endif
2741#endif
79072805 2742
73c4f7a1
GS		 2743START_EXTERN_C
2744
79072805 2745/* handy constants */
22c35a8c 2746EXTCONST char PL_warn_uninit[]
b89fed5f 2747 INIT("Use of uninitialized value%s%s");
22c35a8c 2748EXTCONST char PL_warn_nosemi[]
463ee0b2 2749 INIT("Semicolon seems to be missing");
22c35a8c 2750EXTCONST char PL_warn_reserved[]
463ee0b2 2751 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2752EXTCONST char PL_warn_nl[]
93a17b20 2753 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2754EXTCONST char PL_no_wrongref[]
a0d0e21e 2755 INIT("Can't use %s ref as %s ref");
22c35a8c 2756EXTCONST char PL_no_symref[]
748a9306 2757 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2758EXTCONST char PL_no_usym[]
8990e307 2759 INIT("Can't use an undefined value as %s reference");
22c35a8c 2760EXTCONST char PL_no_aelem[]
93a17b20 2761 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2762EXTCONST char PL_no_helem[]
93a17b20 2763 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2764EXTCONST char PL_no_modify[]
93a17b20 2765 INIT("Modification of a read-only value attempted");
22c35a8c 2766EXTCONST char PL_no_mem[]
93a17b20 2767 INIT("Out of memory!\n");
22c35a8c 2768EXTCONST char PL_no_security[]
463ee0b2 2769 INIT("Insecure dependency in %s%s");
22c35a8c 2770EXTCONST char PL_no_sock_func[]
93a17b20 2771 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2772EXTCONST char PL_no_dir_func[]
93a17b20 2773 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2774EXTCONST char PL_no_func[]
93a17b20 2775 INIT("The %s function is unimplemented");
22c35a8c 2776EXTCONST char PL_no_myglob[]
748a9306 2777 INIT("\"my\" variable %s can't be in a package");
93a17b20 2778
7575fa06 2779EXTCONST char PL_uuemap[65]
80252599
GS		 2780 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2781
2782
79072805 2783#ifdef DOINIT
22c35a8c
GS		 2784EXT char *PL_sig_name[] = { SIG_NAME };
2785EXT int PL_sig_num[] = { SIG_NUM };
79072805 2786#else
22c35a8c
GS		 2787EXT char *PL_sig_name[];
2788EXT int PL_sig_num[];
79072805
LW		 2789#endif
2790
3bd709b1 2791/* fast conversion and case folding tables */
bbce6d69 2792
79072805 2793#ifdef DOINIT
9d116dd7 2794#ifdef EBCDIC
22c35a8c 2795EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 2796 0, 1, 2, 3, 4, 5, 6, 7,
2797 8, 9, 10, 11, 12, 13, 14, 15,
2798 16, 17, 18, 19, 20, 21, 22, 23,
2799 24, 25, 26, 27, 28, 29, 30, 31,
2800 32, 33, 34, 35, 36, 37, 38, 39,
2801 40, 41, 42, 43, 44, 45, 46, 47,
2802 48, 49, 50, 51, 52, 53, 54, 55,
2803 56, 57, 58, 59, 60, 61, 62, 63,
2804 64, 65, 66, 67, 68, 69, 70, 71,
2805 72, 73, 74, 75, 76, 77, 78, 79,
2806 80, 81, 82, 83, 84, 85, 86, 87,
2807 88, 89, 90, 91, 92, 93, 94, 95,
2808 96, 97, 98, 99, 100, 101, 102, 103,
2809 104, 105, 106, 107, 108, 109, 110, 111,
2810 112, 113, 114, 115, 116, 117, 118, 119,
2811 120, 121, 122, 123, 124, 125, 126, 127,
2812 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2813 'H', 'I', 138, 139, 140, 141, 142, 143,
2814 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2815 'Q', 'R', 154, 155, 156, 157, 158, 159,
2816 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2817 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2818 176, 177, 178, 179, 180, 181, 182, 183,
2819 184, 185, 186, 187, 188, 189, 190, 191,
2820 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2821 'h', 'i', 202, 203, 204, 205, 206, 207,
2822 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2823 'q', 'r', 218, 219, 220, 221, 222, 223,
2824 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2825 'y', 'z', 234, 235, 236, 237, 238, 239,
2826 240, 241, 242, 243, 244, 245, 246, 247,
2827 248, 249, 250, 251, 252, 253, 254, 255
2828};
2829#else /* ascii rather than ebcdic */
22c35a8c 2830EXTCONST unsigned char PL_fold[] = {
79072805
LW		 2831 0, 1, 2, 3, 4, 5, 6, 7,
2832 8, 9, 10, 11, 12, 13, 14, 15,
2833 16, 17, 18, 19, 20, 21, 22, 23,
2834 24, 25, 26, 27, 28, 29, 30, 31,
2835 32, 33, 34, 35, 36, 37, 38, 39,
2836 40, 41, 42, 43, 44, 45, 46, 47,
2837 48, 49, 50, 51, 52, 53, 54, 55,
2838 56, 57, 58, 59, 60, 61, 62, 63,
2839 64, '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', 91, 92, 93, 94, 95,
2843 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2844 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2845 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2846 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2847 128, 129, 130, 131, 132, 133, 134, 135,
2848 136, 137, 138, 139, 140, 141, 142, 143,
2849 144, 145, 146, 147, 148, 149, 150, 151,
2850 152, 153, 154, 155, 156, 157, 158, 159,
2851 160, 161, 162, 163, 164, 165, 166, 167,
2852 168, 169, 170, 171, 172, 173, 174, 175,
2853 176, 177, 178, 179, 180, 181, 182, 183,
2854 184, 185, 186, 187, 188, 189, 190, 191,
2855 192, 193, 194, 195, 196, 197, 198, 199,
2856 200, 201, 202, 203, 204, 205, 206, 207,
2857 208, 209, 210, 211, 212, 213, 214, 215,
2858 216, 217, 218, 219, 220, 221, 222, 223,
2859 224, 225, 226, 227, 228, 229, 230, 231,
2860 232, 233, 234, 235, 236, 237, 238, 239,
2861 240, 241, 242, 243, 244, 245, 246, 247,
2862 248, 249, 250, 251, 252, 253, 254, 255
2863};
9d116dd7 2864#endif /* !EBCDIC */
79072805 2865#else
22c35a8c 2866EXTCONST unsigned char PL_fold[];
79072805
LW		 2867#endif
2868
2869#ifdef DOINIT
22c35a8c 2870EXT unsigned char PL_fold_locale[] = {
79072805
LW		 2871 0, 1, 2, 3, 4, 5, 6, 7,
2872 8, 9, 10, 11, 12, 13, 14, 15,
2873 16, 17, 18, 19, 20, 21, 22, 23,
2874 24, 25, 26, 27, 28, 29, 30, 31,
2875 32, 33, 34, 35, 36, 37, 38, 39,
2876 40, 41, 42, 43, 44, 45, 46, 47,
2877 48, 49, 50, 51, 52, 53, 54, 55,
2878 56, 57, 58, 59, 60, 61, 62, 63,
2879 64, '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', 91, 92, 93, 94, 95,
2883 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2884 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2885 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2886 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2887 128, 129, 130, 131, 132, 133, 134, 135,
2888 136, 137, 138, 139, 140, 141, 142, 143,
2889 144, 145, 146, 147, 148, 149, 150, 151,
2890 152, 153, 154, 155, 156, 157, 158, 159,
2891 160, 161, 162, 163, 164, 165, 166, 167,
2892 168, 169, 170, 171, 172, 173, 174, 175,
2893 176, 177, 178, 179, 180, 181, 182, 183,
2894 184, 185, 186, 187, 188, 189, 190, 191,
2895 192, 193, 194, 195, 196, 197, 198, 199,
2896 200, 201, 202, 203, 204, 205, 206, 207,
2897 208, 209, 210, 211, 212, 213, 214, 215,
2898 216, 217, 218, 219, 220, 221, 222, 223,
2899 224, 225, 226, 227, 228, 229, 230, 231,
2900 232, 233, 234, 235, 236, 237, 238, 239,
2901 240, 241, 242, 243, 244, 245, 246, 247,
2902 248, 249, 250, 251, 252, 253, 254, 255
2903};
2904#else
22c35a8c 2905EXT unsigned char PL_fold_locale[];
79072805
LW		 2906#endif
2907
2908#ifdef DOINIT
9d116dd7 2909#ifdef EBCDIC
22c35a8c 2910EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 2911 1, 2, 84, 151, 154, 155, 156, 157,
2912 165, 246, 250, 3, 158, 7, 18, 29,
2913 40, 51, 62, 73, 85, 96, 107, 118,
2914 129, 140, 147, 148, 149, 150, 152, 153,
2915 255, 6, 8, 9, 10, 11, 12, 13,
2916 14, 15, 24, 25, 26, 27, 28, 226,
2917 29, 30, 31, 32, 33, 43, 44, 45,
2918 46, 47, 48, 49, 50, 76, 77, 78,
2919 79, 80, 81, 82, 83, 84, 85, 86,
2920 87, 94, 95, 234, 181, 233, 187, 190,
2921 180, 96, 97, 98, 99, 100, 101, 102,
2922 104, 112, 182, 174, 236, 232, 229, 103,
2923 228, 226, 114, 115, 116, 117, 118, 119,
2924 120, 121, 122, 235, 176, 230, 194, 162,
2925 130, 131, 132, 133, 134, 135, 136, 137,
2926 138, 139, 201, 205, 163, 217, 220, 224,
2927 5, 248, 227, 244, 242, 255, 241, 231,
2928 240, 253, 16, 197, 19, 20, 21, 187,
2929 23, 169, 210, 245, 237, 249, 247, 239,
2930 168, 252, 34, 196, 36, 37, 38, 39,
2931 41, 42, 251, 254, 238, 223, 221, 213,
2932 225, 177, 52, 53, 54, 55, 56, 57,
2933 58, 59, 60, 61, 63, 64, 65, 66,
2934 67, 68, 69, 70, 71, 72, 74, 75,
2935 205, 208, 186, 202, 200, 218, 198, 179,
2936 178, 214, 88, 89, 90, 91, 92, 93,
2937 217, 166, 170, 207, 199, 209, 206, 204,
2938 160, 212, 105, 106, 108, 109, 110, 111,
2939 203, 113, 216, 215, 192, 175, 193, 243,
2940 172, 161, 123, 124, 125, 126, 127, 128,
2941 222, 219, 211, 195, 188, 193, 185, 184,
2942 191, 183, 141, 142, 143, 144, 145, 146
2943};
2944#else /* ascii rather than ebcdic */
22c35a8c 2945EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 2946 1, 2, 84, 151, 154, 155, 156, 157,
2947 165, 246, 250, 3, 158, 7, 18, 29,
2948 40, 51, 62, 73, 85, 96, 107, 118,
2949 129, 140, 147, 148, 149, 150, 152, 153,
2950 255, 182, 224, 205, 174, 176, 180, 217,
2951 233, 232, 236, 187, 235, 228, 234, 226,
2952 222, 219, 211, 195, 188, 193, 185, 184,
2953 191, 183, 201, 229, 181, 220, 194, 162,
2954 163, 208, 186, 202, 200, 218, 198, 179,
2955 178, 214, 166, 170, 207, 199, 209, 206,
2956 204, 160, 212, 216, 215, 192, 175, 173,
2957 243, 172, 161, 190, 203, 189, 164, 230,
2958 167, 248, 227, 244, 242, 255, 241, 231,
2959 240, 253, 169, 210, 245, 237, 249, 247,
2960 239, 168, 252, 251, 254, 238, 223, 221,
2961 213, 225, 177, 197, 171, 196, 159, 4,
2962 5, 6, 8, 9, 10, 11, 12, 13,
2963 14, 15, 16, 17, 19, 20, 21, 22,
2964 23, 24, 25, 26, 27, 28, 30, 31,
2965 32, 33, 34, 35, 36, 37, 38, 39,
2966 41, 42, 43, 44, 45, 46, 47, 48,
2967 49, 50, 52, 53, 54, 55, 56, 57,
2968 58, 59, 60, 61, 63, 64, 65, 66,
2969 67, 68, 69, 70, 71, 72, 74, 75,
2970 76, 77, 78, 79, 80, 81, 82, 83,
2971 86, 87, 88, 89, 90, 91, 92, 93,
2972 94, 95, 97, 98, 99, 100, 101, 102,
2973 103, 104, 105, 106, 108, 109, 110, 111,
2974 112, 113, 114, 115, 116, 117, 119, 120,
2975 121, 122, 123, 124, 125, 126, 127, 128,
2976 130, 131, 132, 133, 134, 135, 136, 137,
2977 138, 139, 141, 142, 143, 144, 145, 146
2978};
9d116dd7 2979#endif
79072805 2980#else
22c35a8c 2981EXTCONST unsigned char PL_freq[];
79072805
LW		 2982#endif
2983
8990e307
LW		 2984#ifdef DEBUGGING
2985#ifdef DOINIT
22c35a8c 2986EXTCONST char* PL_block_type[] = {
8990e307
LW		 2987 "NULL",
2988 "SUB",
2989 "EVAL",
2990 "LOOP",
2991 "SUBST",
2992 "BLOCK",
2993};
2994#else
22c35a8c 2995EXTCONST char* PL_block_type[];
8990e307
LW		 2996#endif
2997#endif
2998
73c4f7a1
GS		 2999END_EXTERN_C
3000
79072805
LW		 3001/*****************************************************************************/
3002/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3003/*****************************************************************************/
8990e307 3004/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3005
a0d0e21e
LW		 3006#include "perly.h"
3007
fb73857a 3008#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3009
79072805
LW		 3010typedef enum {
3011 XOPERATOR,
3012 XTERM,
79072805 3013 XREF,
8990e307 3014 XSTATE,
a0d0e21e 3015 XBLOCK,
09bef843
SB		 3016 XATTRBLOCK,
3017 XATTRTERM,
a0d0e21e 3018 XTERMBLOCK
79072805
LW		 3019} expectation;
3020
dc9e4912
GS		 3021enum { /* pass one of these to get_vtbl */
3022 want_vtbl_sv,
3023 want_vtbl_env,
3024 want_vtbl_envelem,
3025 want_vtbl_sig,
3026 want_vtbl_sigelem,
3027 want_vtbl_pack,
3028 want_vtbl_packelem,
3029 want_vtbl_dbline,
3030 want_vtbl_isa,
3031 want_vtbl_isaelem,
3032 want_vtbl_arylen,
3033 want_vtbl_glob,
3034 want_vtbl_mglob,
3035 want_vtbl_nkeys,
3036 want_vtbl_taint,
3037 want_vtbl_substr,
3038 want_vtbl_vec,
3039 want_vtbl_pos,
3040 want_vtbl_bm,
3041 want_vtbl_fm,
3042 want_vtbl_uvar,
3043 want_vtbl_defelem,
3044 want_vtbl_regexp,
3045 want_vtbl_collxfrm,
3046 want_vtbl_amagic,
3047 want_vtbl_amagicelem,
4d1ff10f 3048#ifdef USE_5005THREADS
dc9e4912
GS		 3049 want_vtbl_mutex,
3050#endif
3051 want_vtbl_regdata,
810b8aa5
GS		 3052 want_vtbl_regdatum,
3053 want_vtbl_backref
dc9e4912
GS		 3054};
3055
85e6fe83
LW		 3056 /* Note: the lowest 8 bits are reserved for
3057 stuffing into op->op_private */
f3aa04c2 3058#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW		 3059#define HINT_INTEGER 0x00000001
3060#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH		 3061#define HINT_LOCALE 0x00000004
3062#define HINT_BYTES 0x00000008
393fec97 3063/* #define HINT_notused10 0x00000010 */
a0ed51b3 3064 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW		 3065
3066#define HINT_BLOCK_SCOPE 0x00000100
3067#define HINT_STRICT_SUBS 0x00000200
3068#define HINT_STRICT_VARS 0x00000400
3069
b3ac6de7
IZ		 3070#define HINT_NEW_INTEGER 0x00001000
3071#define HINT_NEW_FLOAT 0x00002000
3072#define HINT_NEW_BINARY 0x00004000
3073#define HINT_NEW_STRING 0x00008000
3074#define HINT_NEW_RE 0x00010000
3075#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3076
b3eb6a9b 3077#define HINT_RE_TAINT 0x00100000
e4d48cc9 3078#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3079
5ff3f7a4 3080#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3081#define HINT_UTF8 0x00800000
5ff3f7a4 3082
8bfdd7d9 3083/* Various states of the input record separator SV (rs) */
d4cce5f1 3084#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3085#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3086#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3087#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3088
56953603 3089/* Enable variables which are pointers to functions */
a2efc822 3090typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3091typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3092typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3093 char* strend, char* strbeg, I32 minend,
3094 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3095typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3096 char *strpos, char *strend,
3097 U32 flags,
3098 struct re_scream_pos_data_s *d);
3099typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3100typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3101
c76ac1ee 3102typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3103typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3104typedef void (*SVFUNC_t) (pTHX_ SV*);
3105typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3106typedef void (*XSINIT_t) (pTHX);
3107typedef void (*ATEXIT_t) (pTHX_ void*);
3108typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3109
22239a37
NIS		 3110/* Set up PERLVAR macros for populating structs */
3111#define PERLVAR(var,type) type var;
51371543 3112#define PERLVARA(var,n,type) type var[n];
22239a37 3113#define PERLVARI(var,type,init) type var;
3fe35a81 3114#define PERLVARIC(var,type,init) type var;
22239a37 3115
58a50f62
GS		 3116/* Interpreter exitlist entry */
3117typedef struct exitlistentry {
acfe0abc 3118 void (*fn) (pTHX_ void*);
58a50f62
GS		 3119 void *ptr;
3120} PerlExitListEntry;
3121
22239a37
NIS		 3122#ifdef PERL_GLOBAL_STRUCT
3123struct perl_vars {
7766f137 3124# include "perlvars.h"
22239a37
NIS		 3125};
3126
7766f137 3127# ifdef PERL_CORE
533c011a
NIS		 3128EXT struct perl_vars PL_Vars;
3129EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3130# else /* PERL_CORE */
3131# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3132EXT
7766f137 3133# endif /* WIN32 */
533c011a 3134struct perl_vars *PL_VarsPtr;
7766f137
GS		 3135# define PL_Vars (*((PL_VarsPtr) \
3136 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3137# endif /* PERL_CORE */
22239a37
NIS		 3138#endif /* PERL_GLOBAL_STRUCT */
3139
acfe0abc 3140#if defined(MULTIPLICITY)
d460ef45 3141/* If we have multiple interpreters define a struct
d4cce5f1 3142 holding variables which must be per-interpreter
d460ef45 3143 If we don't have threads anything that would have
d4cce5f1
NIS		 3144 be per-thread is per-interpreter.
3145*/
3146
79072805 3147struct interpreter {
4d1ff10f 3148# ifndef USE_5005THREADS
7766f137
GS		 3149# include "thrdvar.h"
3150# endif
3151# include "intrpvar.h"
3152/*
3153 * The following is a buffer where new variables must
acfe0abc 3154 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3155 */
3156PERLVARA(object_compatibility,30, char)
49f531da 3157};
d4cce5f1 3158
79072805 3159#else
49f531da
NIS		 3160struct interpreter {
3161 char broiled;
3162};
acfe0abc 3163#endif /* MULTIPLICITY */
79072805 3164
4d1ff10f 3165#ifdef USE_5005THREADS
d4cce5f1
NIS		 3166/* If we have threads define a struct with all the variables
3167 * that have to be per-thread
49f531da 3168 */
8023c3ce 3169
79072805 3170
49f531da 3171struct perl_thread {
49f531da 3172#include "thrdvar.h"
79072805 3173};
d4cce5f1 3174
22fae026
TM		 3175typedef struct perl_thread *Thread;
3176
3177#else
3178typedef void *Thread;
22239a37
NIS		 3179#endif
3180
3181/* Done with PERLVAR macros for now ... */
d4cce5f1 3182#undef PERLVAR
51371543 3183#undef PERLVARA
d4cce5f1 3184#undef PERLVARI
3fe35a81 3185#undef PERLVARIC
79072805 3186
22239a37 3187#include "thread.h"
79072805 3188#include "pp.h"
864dbfa3
GS		 3189
3190#ifndef PERL_CALLCONV
3191# define PERL_CALLCONV
d460ef45 3192#endif
864dbfa3 3193
65f19062
GS		 3194#ifndef NEXT30_NO_ATTRIBUTE
3195# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3196# ifdef __attribute__ /* Avoid possible redefinition errors */
3197# undef __attribute__
3198# endif
3199# define __attribute__(attr)
3200# endif
3201#endif
3202
0cb96387
GS		 3203#undef PERL_CKDEF
3204#undef PERL_PPDEF
3205#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3206#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3207
7766f137 3208#include "proto.h"
864dbfa3 3209
0cb96387 3210/* this has structure inits, so it cannot be included before here */
acfe0abc 3211#include "opcode.h"
864dbfa3 3212
d4cce5f1
NIS		 3213/* The following must follow proto.h as #defines mess up syntax */
3214
22c35a8c
GS		 3215#if !defined(PERL_FOR_X2P)
3216# include "embedvar.h"
3217#endif
d4cce5f1 3218
d460ef45 3219/* Now include all the 'global' variables
d4cce5f1 3220 * If we don't have threads or multiple interpreters
d460ef45 3221 * these include variables that would have been their struct-s
d4cce5f1 3222 */
d460ef45 3223
533c011a 3224#define PERLVAR(var,type) EXT type PL_##var;
51371543 3225#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3226#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3227#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3228
acfe0abc 3229#if !defined(MULTIPLICITY)
7766f137 3230START_EXTERN_C
066ef5b5 3231# include "intrpvar.h"
4d1ff10f 3232# ifndef USE_5005THREADS
066ef5b5
GS		 3233# include "thrdvar.h"
3234# endif
7766f137 3235END_EXTERN_C
22239a37
NIS		 3236#endif
3237
acfe0abc 3238#if defined(WIN32)
66a93824 3239/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3240# include "embed.h"
acfe0abc 3241#endif
22239a37 3242
c5be433b
GS		 3243#ifndef PERL_GLOBAL_STRUCT
3244START_EXTERN_C
3245
3246# include "perlvars.h"
3247
3248END_EXTERN_C
3249#endif
3250
d4cce5f1 3251#undef PERLVAR
51371543 3252#undef PERLVARA
d4cce5f1 3253#undef PERLVARI
0f3f18a6 3254#undef PERLVARIC
79072805 3255
73c4f7a1
GS		 3256START_EXTERN_C
3257
79072805 3258#ifdef DOINIT
bbce6d69 3259
2b260de0
GS		 3260EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
3261 MEMBER_TO_FPTR(Perl_magic_set),
3262 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3263 0, 0};
2b260de0
GS		 3264EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3265 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3266 0};
2b260de0
GS		 3267EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3268 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3269 0};
22c35a8c 3270EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3271#ifdef PERL_MICRO
3272EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3273#else
2b260de0
GS		 3274EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3275 MEMBER_TO_FPTR(Perl_magic_setsig),
3276 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3277 0};
64ca3a65 3278#endif
2b260de0 3279EXT MGVTBL PL_vtbl_pack = {0, 0, MEMBER_TO_FPTR(Perl_magic_sizepack), MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3280 0};
2b260de0
GS		 3281EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
3282 MEMBER_TO_FPTR(Perl_magic_setpack),
3283 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3284 0};
2b260de0 3285EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3286 0, 0, 0};
2b260de0
GS		 3287EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3288 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3289 0};
2b260de0 3290EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3291 0, 0, 0};
2b260de0
GS		 3292EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3293 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3294 0, 0, 0};
2b260de0
GS		 3295EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3296 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3297 0, 0, 0};
2b260de0 3298EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3299 0, 0, 0};
2b260de0
GS		 3300EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3301 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3302 0, 0, 0};
2b260de0 3303EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3304 0, 0, 0};
2b260de0 3305EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr), MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3306 0, 0, 0};
2b260de0
GS		 3307EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
3308 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3309 0, 0, 0};
2b260de0
GS		 3310EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3311 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3312 0, 0, 0};
2b260de0 3313EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3314 0, 0, 0};
2b260de0 3315EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3316 0, 0, 0};
2b260de0
GS		 3317EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3318 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3319 0, 0, 0};
4d1ff10f 3320#ifdef USE_5005THREADS
2b260de0 3321EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0, MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3322#endif /* USE_5005THREADS */
2b260de0 3323EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3324 0, 0, 0};
a0d0e21e 3325
2b260de0
GS		 3326EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3327EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3328EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3329 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3330
36477c24 3331#ifdef USE_LOCALE_COLLATE
22c35a8c 3332EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3333 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3334 0, 0, 0};
3335#endif
a0d0e21e 3336
2b260de0
GS		 3337EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3338 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3339EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3340 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3341
810b8aa5 3342EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3343 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3344
d460ef45
NIS		 3345EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3346 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3347
bbce6d69 3348#else /* !DOINIT */
3349
22c35a8c
GS		 3350EXT MGVTBL PL_vtbl_sv;
3351EXT MGVTBL PL_vtbl_env;
3352EXT MGVTBL PL_vtbl_envelem;
3353EXT MGVTBL PL_vtbl_sig;
3354EXT MGVTBL PL_vtbl_sigelem;
3355EXT MGVTBL PL_vtbl_pack;
3356EXT MGVTBL PL_vtbl_packelem;
3357EXT MGVTBL PL_vtbl_dbline;
3358EXT MGVTBL PL_vtbl_isa;
3359EXT MGVTBL PL_vtbl_isaelem;
3360EXT MGVTBL PL_vtbl_arylen;
3361EXT MGVTBL PL_vtbl_glob;
3362EXT MGVTBL PL_vtbl_mglob;
3363EXT MGVTBL PL_vtbl_nkeys;
3364EXT MGVTBL PL_vtbl_taint;
3365EXT MGVTBL PL_vtbl_substr;
3366EXT MGVTBL PL_vtbl_vec;
3367EXT MGVTBL PL_vtbl_pos;
3368EXT MGVTBL PL_vtbl_bm;
3369EXT MGVTBL PL_vtbl_fm;
3370EXT MGVTBL PL_vtbl_uvar;
d460ef45 3371EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3372
4d1ff10f 3373#ifdef USE_5005THREADS
22c35a8c 3374EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3375#endif /* USE_5005THREADS */
f93b4edd 3376
22c35a8c
GS		 3377EXT MGVTBL PL_vtbl_defelem;
3378EXT MGVTBL PL_vtbl_regexp;
3379EXT MGVTBL PL_vtbl_regdata;
3380EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3381
36477c24 3382#ifdef USE_LOCALE_COLLATE
22c35a8c 3383EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3384#endif
a0d0e21e 3385
22c35a8c
GS		 3386EXT MGVTBL PL_vtbl_amagic;
3387EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3388
810b8aa5
GS		 3389EXT MGVTBL PL_vtbl_backref;
3390
bbce6d69 3391#endif /* !DOINIT */
85e6fe83 3392
f5284f61
IZ		 3393enum {
3394 fallback_amg, abs_amg,
3395 bool__amg, nomethod_amg,
3396 string_amg, numer_amg,
3397 add_amg, add_ass_amg,
3398 subtr_amg, subtr_ass_amg,
3399 mult_amg, mult_ass_amg,
3400 div_amg, div_ass_amg,
3401 modulo_amg, modulo_ass_amg,
3402 pow_amg, pow_ass_amg,
3403 lshift_amg, lshift_ass_amg,
3404 rshift_amg, rshift_ass_amg,
3405 band_amg, band_ass_amg,
3406 bor_amg, bor_ass_amg,
3407 bxor_amg, bxor_ass_amg,
3408 lt_amg, le_amg,
3409 gt_amg, ge_amg,
3410 eq_amg, ne_amg,
3411 ncmp_amg, scmp_amg,
3412 slt_amg, sle_amg,
3413 sgt_amg, sge_amg,
3414 seq_amg, sne_amg,
3415 not_amg, compl_amg,
3416 inc_amg, dec_amg,
3417 atan2_amg, cos_amg,
3418 sin_amg, exp_amg,
3419 log_amg, sqrt_amg,
3420 repeat_amg, repeat_ass_amg,
3421 concat_amg, concat_ass_amg,
3422 copy_amg, neg_amg,
3423 to_sv_amg, to_av_amg,
3424 to_hv_amg, to_gv_amg,
d460ef45 3425 to_cv_amg, iter_amg,
f216259d
IZ		 3426 int_amg, DESTROY_amg,
3427 max_amg_code
64a0062a 3428 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3429};
3430
3431#define NofAMmeth max_amg_code
89ffc314 3432#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3433
a0d0e21e 3434#ifdef DOINIT
22c35a8c 3435EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3436 /* Names kept in the symbol table. fallback => "()", the rest has
3437 "(" prepended. The only other place in perl which knows about
3438 this convention is AMG_id2name (used for debugging output and
3439 'nomethod' only), the only other place which has it hardwired is
3440 overload.pm. */
3441 "()", "(abs", /* "fallback" should be the first. */
3442 "(bool", "(nomethod",
3443 "(\"\"", "(0+",
3444 "(+", "(+=",
3445 "(-", "(-=",
3446 "(*", "(*=",
3447 "(/", "(/=",
3448 "(%", "(%=",
3449 "(**", "(**=",
3450 "(<<", "(<<=",
3451 "(>>", "(>>=",
3452 "(&", "(&=",
3453 "(|", "(|=",
3454 "(^", "(^=",
3455 "(<", "(<=",
3456 "(>", "(>=",
3457 "(==", "(!=",
3458 "(<=>", "(cmp",
3459 "(lt", "(le",
3460 "(gt", "(ge",
3461 "(eq", "(ne",
3462 "(!", "(~",
3463 "(++", "(--",
3464 "(atan2", "(cos",
3465 "(sin", "(exp",
3466 "(log", "(sqrt",
3467 "(x", "(x=",
3468 "(.", "(.=",
3469 "(=", "(neg",
3470 "(${}", "(@{}",
3471 "(%{}", "(*{}",
3472 "(&{}", "(<>",
f216259d 3473 "(int", "DESTROY",
a0d0e21e
LW		 3474};
3475#else
22c35a8c 3476EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3477#endif /* def INITAMAGIC */
3478
73c4f7a1
GS		 3479END_EXTERN_C
3480
a6006777 3481struct am_table {
a0d0e21e
LW		 3482 long was_ok_sub;
3483 long was_ok_am;
a6006777 3484 U32 flags;
3485 CV* table[NofAMmeth];
a0d0e21e
LW		 3486 long fallback;
3487};
a6006777 3488struct am_table_short {
3489 long was_ok_sub;
3490 long was_ok_am;
3491 U32 flags;
3492};
a0d0e21e 3493typedef struct am_table AMT;
a6006777 3494typedef struct am_table_short AMTS;
a0d0e21e
LW		 3495
3496#define AMGfallNEVER 1
3497#define AMGfallNO 2
3498#define AMGfallYES 3
3499
a6006777 3500#define AMTf_AMAGIC 1
32251b26 3501#define AMTf_OVERLOADED 2
a6006777 3502#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3503#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3504#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3505#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3506#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3507#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3508
32251b26 3509#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3510
3511/*
3512 * some compilers like to redefine cos et alia as faster
3513 * (and less accurate?) versions called F_cos et cetera (Quidquid
3514 * latine dictum sit, altum viditur.) This trick collides with
3515 * the Perl overloading (amg). The following #defines fool both.
3516 */
3517
3518#ifdef _FASTMATH
3519# ifdef atan2
3520# define F_atan2_amg atan2_amg
3521# endif
3522# ifdef cos
3523# define F_cos_amg cos_amg
3524# endif
3525# ifdef exp
3526# define F_exp_amg exp_amg
3527# endif
3528# ifdef log
3529# define F_log_amg log_amg
3530# endif
3531# ifdef pow
3532# define F_pow_amg pow_amg
3533# endif
3534# ifdef sin
3535# define F_sin_amg sin_amg
3536# endif
3537# ifdef sqrt
3538# define F_sqrt_amg sqrt_amg
3539# endif
3540#endif /* _FASTMATH */
3541
83ee9e09
GS		 3542#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3543 PERLDBf_NOOPT | PERLDBf_INTER | \
3544 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3545 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3546 /* No _NONAME, _GOTO */
3547#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3548#define PERLDBf_LINE 0x02 /* Keep line # */
3549#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3550#define PERLDBf_INTER 0x08 /* Preserve more data for
3551 later inspections */
3552#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3553#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3554#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3555#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3556#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3557#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3558
3280af22
NIS		 3559#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3560#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3561#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3562#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3563#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3564#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3565#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3566#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3567#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3568#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3569
bbce6d69 3570
36477c24 3571#ifdef USE_LOCALE_NUMERIC
bbce6d69 3572
36477c24 3573#define SET_NUMERIC_STANDARD() \
ff4fed7c 3574 set_numeric_standard();
36477c24 3575
3576#define SET_NUMERIC_LOCAL() \
ff4fed7c 3577 set_numeric_local();
bbce6d69 3578
2de3dbcc
JH		 3579#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3580#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3581
3582#define IN_LOCALE \
3583 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3584
f93f4e46 3585#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3586 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3587 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3588
3589#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3590 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3591 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3592
3593#define RESTORE_NUMERIC_LOCAL() \
3594 if (was_local) SET_NUMERIC_LOCAL();
3595
3596#define RESTORE_NUMERIC_STANDARD() \
3597 if (was_standard) SET_NUMERIC_STANDARD();
3598
5b877257 3599#define Atof my_atof
097ee67d 3600
36477c24 3601#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3602
097ee67d
JH		 3603#define SET_NUMERIC_STANDARD() /**/
3604#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3605#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3606#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3607#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3608#define RESTORE_NUMERIC_LOCAL() /**/
3609#define RESTORE_NUMERIC_STANDARD() /**/
65202027 3610#define Atof Perl_atof
ad3e0f90 3611#define IN_LOCALE_RUNTIME 0
bbce6d69 3612
36477c24 3613#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3614
079290de 3615#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3616# ifdef __hpux
3617# define strtoll __strtoll /* secret handshake */
3618# endif
079290de
GS		 3619# if !defined(Strtol) && defined(HAS_STRTOLL)
3620# define Strtol strtoll
ad551343 3621# endif
28e5dec8
JH		 3622# if !defined(Strtol) && defined(HAS_STRTOQ)
3623# define Strtol strtoq
3624# endif
ff935051 3625/* is there atoq() anywhere? */
15b99d39 3626#endif
079290de
GS		 3627#if !defined(Strtol) && defined(HAS_STRTOL)
3628# define Strtol strtol
3629#endif
3630#ifndef Atol
3631/* It would be more fashionable to use Strtol() to define atol()
3632 * (as is done for Atoul(), see below) but for backward compatibility
3633 * we just assume atol(). */
76b882ba
JH		 3634# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
3635# define Atol atoll
3636# else
3637# define Atol atol
3638# endif
cf2093f6
JH		 3639#endif
3640
55eb892c 3641#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3642# ifdef __hpux
3643# define strtoull __strtoull /* secret handshake */
3644# endif
ad551343 3645# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3646# define Strtoul strtoull
15b99d39 3647# endif
079290de
GS		 3648# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3649# define Strtoul strtouq
3650# endif
76d49b1c 3651/* is there atouq() anywhere? */
ad551343 3652#endif
079290de
GS		 3653#if !defined(Strtoul) && defined(HAS_STRTOUL)
3654# define Strtoul strtoul
cf2093f6 3655#endif
079290de
GS		 3656#ifndef Atoul
3657# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3658#endif
cf2093f6 3659
e5c9fcd0 3660#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
d460ef45
NIS		 3661/*
3662 * Now we have __attribute__ out of the way
3663 * Remap printf
760ac839 3664 */
39455587 3665#undef printf
c745e42c
NIS		 3666#ifdef __GNUC__
3667#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3668#else
760ac839
LW		 3669#define printf PerlIO_stdoutf
3670#endif
c745e42c 3671#endif
760ac839 3672
06d86050
GS		 3673/* if these never got defined, they need defaults */
3674#ifndef PERL_SET_CONTEXT
3675# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3676#endif
3677
3678#ifndef PERL_GET_CONTEXT
3679# define PERL_GET_CONTEXT PERL_GET_INTERP
3680#endif
3681
3682#ifndef PERL_GET_THX
3683# define PERL_GET_THX ((void*)NULL)
3684#endif
3685
3686#ifndef PERL_SET_THX
3687# define PERL_SET_THX(t) NOOP
3688#endif
3689
a868473f
NIS		 3690#ifndef PERL_SCRIPT_MODE
3691#define PERL_SCRIPT_MODE "r"
3692#endif
3693
fba3b22e 3694/*
da927450
JH		 3695 * Some operating systems are stingy with stack allocation,
3696 * so perl may have to guard against stack overflow.
3697 */
3698#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3699#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3700#endif
3701
3702/*
3703 * Some nonpreemptive operating systems find it convenient to
3704 * check for asynchronous conditions after each op execution.
3705 * Keep this check simple, or it may slow down execution
3706 * massively.
3707 */
ce08f86c 3708
1d615522
JH		 3709#ifndef PERL_MICRO
3710# ifndef PERL_OLD_SIGNALS
2986a63f
JH		 3711# ifndef PERL_ASYNC_CHECK
3712# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3713# endif
1d615522 3714# endif
ce08f86c
NIS		 3715#endif
3716
da927450 3717#ifndef PERL_ASYNC_CHECK
1d615522 3718# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3719#endif
3720
3721/*
3722 * On some operating systems, a memory allocation may succeed,
3723 * but put the process too close to the system's comfort limit.
3724 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3725 * it to NULL.
3726 */
3727#ifndef PERL_ALLOC_CHECK
c2af87cb 3728#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3729#endif
3730
3731/*
fba3b22e
MB		 3732 * nice_chunk and nice_chunk size need to be set
3733 * and queried under the protection of sv_mutex
3734 */
30ad99e7
MJD		 3735#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3736 void *new_chunk; \
3737 U32 new_chunk_size; \
3738 LOCK_SV_MUTEX; \
3739 new_chunk = (void *)(chunk); \
3740 new_chunk_size = (chunk_size); \
3741 if (new_chunk_size > PL_nice_chunk_size) { \
3742 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
3743 PL_nice_chunk = new_chunk; \
3744 PL_nice_chunk_size = new_chunk_size; \
3745 } else { \
3746 Safefree(chunk); \
3747 } \
3748 UNLOCK_SV_MUTEX; \
3749 } STMT_END
fba3b22e 3750
bd89102f
AD		 3751#ifdef HAS_SEM
3752# include <sys/ipc.h>
3753# include <sys/sem.h>
3754# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
3755 union semun {
dbba660d
TC		 3756 int val;
3757 struct semid_ds *buf;
3758 unsigned short *array;
bd89102f
AD		 3759 };
3760# endif
3761# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 3762# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
3763 union gccbug_semun {
3764 int val;
3765 struct semid_ds *buf;
3766 unsigned short *array;
3767 char __dummy[5];
3768 };
3769# define semun gccbug_semun
3770# endif
bd89102f
AD		 3771# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
3772# else
3773# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 3774# ifdef EXTRA_F_IN_SEMUN_BUF
3775# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
3776# else
3777# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
3778# endif
bd89102f
AD		 3779# endif
3780# endif
bd89102f 3781#endif
49f531da 3782
89ca4ac7
JH		 3783/*
3784 * Boilerplate macros for initializing and accessing interpreter-local
3785 * data from C. All statics in extensions should be reworked to use
3786 * this, if you want to make the extension thread-safe. See ext/re/re.xs
3787 * for an example of the use of these macros.
3788 *
3789 * Code that uses these macros is responsible for the following:
3790 * 1. #define MY_CXT_KEY to a unique string, e.g. "DynaLoader_guts"
3791 * 2. Declare a typedef named my_cxt_t that is a structure that contains
3792 * all the data that needs to be interpreter-local.
3793 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
3794 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
3795 * (typically put in the BOOT: section).
3796 * 5. Use the members of the my_cxt_t structure everywhere as
3797 * MY_CXT.member.
3798 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
3799 * access MY_CXT.
3800 */
3801
fc958cd2 3802#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 3803
3804/* This must appear in all extensions that define a my_cxt_t structure,
3805 * right after the definition (i.e. at file scope). The non-threads
3806 * case below uses it to declare the data as static. */
3807#define START_MY_CXT
3808
3809/* Fetches the SV that keeps the per-interpreter data. */
3810#define dMY_CXT_SV \
3811 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
3812 sizeof(MY_CXT_KEY)-1, TRUE)
3813
3814/* This declaration should be used within all functions that use the
3815 * interpreter-local data. */
3816#define dMY_CXT \
3817 dMY_CXT_SV; \
ec0e15e0 3818 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 3819
3820/* Creates and zeroes the per-interpreter data.
3821 * (We allocate my_cxtp in a Perl SV so that it will be released when
3822 * the interpreter goes away.) */
3823#define MY_CXT_INIT \
3824 dMY_CXT_SV; \
3825 /* newSV() allocates one more than needed */ \
3826 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
3827 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 3828 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 3829
3830/* This macro must be used to access members of the my_cxt_t structure.
3831 * e.g. MYCXT.some_data */
3832#define MY_CXT (*my_cxtp)
3833
3834/* Judicious use of these macros can reduce the number of times dMY_CXT
3835 * is used. Use is similar to pTHX, aTHX etc. */
3836#define pMY_CXT my_cxt_t *my_cxtp
3837#define pMY_CXT_ pMY_CXT,
3838#define _pMY_CXT ,pMY_CXT
3839#define aMY_CXT my_cxtp
3840#define aMY_CXT_ aMY_CXT,
3841#define _aMY_CXT ,aMY_CXT
3842
3843#else /* USE_ITHREADS */
3844
3845#define START_MY_CXT static my_cxt_t my_cxt;
3846#define dMY_CXT_SV dNOOP
3847#define dMY_CXT dNOOP
3848#define MY_CXT_INIT NOOP
3849#define MY_CXT my_cxt
3850
3851#define pMY_CXT void
3852#define pMY_CXT_
3853#define _pMY_CXT
3854#define aMY_CXT
3855#define aMY_CXT_
3856#define _aMY_CXT
3857
3858#endif /* !defined(USE_ITHREADS) */
3859
9a34ef1d
GS		 3860#ifdef I_FCNTL
3861# include <fcntl.h>
9a34ef1d
GS		 3862#endif
3863
3864#ifdef I_SYS_FILE
3865# include <sys/file.h>
3866#endif
3867
fa0a29af 3868#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 3869int flock(int fd, int op);
3870#endif
3871
fe52b3b7
GS		 3872#ifndef O_RDONLY
3873/* Assume UNIX defaults */
3874# define O_RDONLY 0000
3875# define O_WRONLY 0001
3876# define O_RDWR 0002
3877# define O_CREAT 0100
3878#endif
9a34ef1d 3879
16fe6d59
GS		 3880#ifndef O_BINARY
3881# define O_BINARY 0
3882#endif
3883
3884#ifndef O_TEXT
3885# define O_TEXT 0
3886#endif
3887
104d25b7
JH		 3888#ifdef IAMSUID
3889
3890#ifdef I_SYS_STATVFS
9f982a77
IG		 3891# if defined(PERL_SCO) && !defined(_SVID3)
3892# define _SVID3
3893# endif
32b3cf08
JH		 3894# include <sys/statvfs.h> /* for f?statvfs() */
3895#endif
3896#ifdef I_SYS_MOUNT
3897# include <sys/mount.h> /* for *BSD f?statfs() */
3898#endif
3899#ifdef I_MNTENT
3900# include <mntent.h> /* for getmntent() */
104d25b7 3901#endif
0545a864
JH		 3902#ifdef I_SYS_STATFS
3903# include <sys/statfs.h> /* for some statfs() */
3904#endif
3905#ifdef I_SYS_VFS
8d9e1a19
GS		 3906# ifdef __sgi
3907# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
3908# endif
3909# include <sys/vfs.h> /* for some statfs() */
3910# ifdef __sgi
3911# undef IRIX_sv
3912# endif
0545a864
JH		 3913#endif
3914#ifdef I_USTAT
3915# include <ustat.h> /* for ustat() */
3916#endif
3917
3918#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
3919# define PERL_MOUNT_NOSUID MOUNT_NOSUID
3920#endif
3921#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
3922# define PERL_MOUNT_NOSUID MNT_NOSUID
3923#endif
3924#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
3925# define PERL_MOUNT_NOSUID MS_NOSUID
3926#endif
3927#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
3928# define PERL_MOUNT_NOSUID M_NOSUID
3929#endif
104d25b7
JH		 3930
3931#endif /* IAMSUID */
3932
4bc88a62
PS		 3933#ifdef I_LIBUTIL
3934# include <libutil.h> /* setproctitle() in some FreeBSDs */
3935#endif
3936
b4748376
NIS		 3937#ifndef EXEC_ARGV_CAST
3938#define EXEC_ARGV_CAST(x) x
3939#endif
3940
dd5dc04f
JH		 3941#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
3942 int). value returned in pointed-
3943 to UV */
3944#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
3945#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
3946#define IS_NUMBER_NEG 0x08 /* leading minus sign */
3947#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 3948#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 3949
3950#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
3951
53305cf1
NC		 3952/* Input flags: */
3953#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 3954#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
53305cf1
NC		 3955/* Output flags: */
3956#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
3957
2c4f7f0e
DM		 3958/* to let user control profiling */
3959#ifdef PERL_GPROF_CONTROL
3960extern void moncontrol(int);
3961#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
3962#else
3963#define PERL_GPROF_MONCONTROL(x)
3964#endif
3965
4d8076ea 3966/* and finally... */
cceca5ed 3967#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 3968#include "patchlevel.h"
cceca5ed 3969#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 3970
43999f95 3971/* Mention
d460ef45 3972
43999f95 3973 NV_PRESERVES_UV
fe749a9f 3974
fe749a9f
JH		 3975 HAS_MKSTEMP
3976 HAS_MKSTEMPS
3977 HAS_MKDTEMP
3978
49dabb45
JH		 3979 HAS_GETCWD
3980
d59b5429 3981 HAS_MMAP
fe749a9f
JH		 3982 HAS_MPROTECT
3983 HAS_MSYNC
1e8c3fde 3984 HAS_MADVISE
fe749a9f
JH		 3985 HAS_MUNMAP
3986 I_SYSMMAN
3987 Mmap_t
3988
6b4667fc
A		 3989 NVef
3990 NVff
3991 NVgf
3992
4e0554ec
JH		 3993 HAS_USLEEP
3994 HAS_UALARM
3995
3996 HAS_SETITIMER
3997 HAS_GETITIMER
3998
3999 HAS_SENDMSG
4000 HAS_RECVMSG
4001 HAS_READV
4002 HAS_WRITEV
4003 I_SYSUIO
4004 HAS_STRUCT_MSGHDR
4005 HAS_STRUCT_CMSGHDR
4006
2765b840
JH		 4007 HAS_NL_LANGINFO
4008
43999f95
JH		 4009 so that Configure picks them up. */
4010
e1caacb4
JH		 4011#ifdef UNDER_CE
4012#include "wince.h"
4013#endif
4014
d02ee443
JH		 4015/* ISO 6429 NEL - C1 control NExt Line */
4016/* See http://www.unicode.org/unicode/reports/tr13/ */
4017#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4018# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4019# define NEXT_LINE_CHAR 0x15
4020# else /* CDRA */
4021# define NEXT_LINE_CHAR 0x25
4022# endif
4023#else
4024# define NEXT_LINE_CHAR 0x85
4025#endif
4026
4027/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4028#define UNICODE_LINE_SEPA_0 0xE2
4029#define UNICODE_LINE_SEPA_1 0x80
4030#define UNICODE_LINE_SEPA_2 0xA8
4031#define UNICODE_PARA_SEPA_0 0xE2
4032#define UNICODE_PARA_SEPA_1 0x80
4033#define UNICODE_PARA_SEPA_2 0xA9
4034
85e6fe83 4035#endif /* Include guard */
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