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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 256# ifdef __cplusplus
cb69f87a 257# define VOL /* to temporarily suppress warnings */
79072805
LW		 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
02fc2eee
NC		 758#ifndef HAS_SOCKETPAIR
759# ifdef HAS_SOCKET
760# define socketpair Perl_my_socketpair
761# endif
762#endif
763
a687059c 764#if INTSIZE == 2
79072805
LW		 765# define htoni htons
766# define ntohi ntohs
a687059c 767#else
79072805
LW		 768# define htoni htonl
769# define ntohi ntohl
a687059c
LW		 770#endif
771
a0d0e21e 772/* Configure already sets Direntry_t */
35c8bce7 773#if defined(I_DIRENT)
663a0e37 774# include <dirent.h>
8f1f23e8
W		 775 /* NeXT needs dirent + sys/dir.h */
776# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 777# include <sys/dir.h>
778# endif
ae986130 779#else
fe14fcc3 780# ifdef I_SYS_NDIR
79a0689e 781# include <sys/ndir.h>
663a0e37 782# else
fe14fcc3 783# ifdef I_SYS_DIR
79a0689e
LW		 784# ifdef hp9000s500
785# include <ndir.h> /* may be wrong in the future */
786# else
787# include <sys/dir.h>
788# endif
663a0e37
LW		 789# endif
790# endif
4633a7c4 791#endif
a687059c 792
12ae5dfc
JH		 793#ifdef PERL_MICRO
794# ifndef DIR
795# define DIR void
796# endif
797#endif
798
352d5a3a
LW		 799#ifdef FPUTS_BOTCH
800/* work around botch in SunOS 4.0.1 and 4.0.2 */
801# ifndef fputs
79072805 802# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 803# endif
804#endif
805
c623bd54
LW		 806/*
807 * The following gobbledygook brought to you on behalf of __STDC__.
808 * (I could just use #ifndef __STDC__, but this is more bulletproof
809 * in the face of half-implementations.)
810 */
811
7114a2d2 812#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 813#include <sys/mode.h>
814#endif
815
c623bd54
LW		 816#ifndef S_IFMT
817# ifdef _S_IFMT
818# define S_IFMT _S_IFMT
819# else
820# define S_IFMT 0170000
821# endif
822#endif
823
824#ifndef S_ISDIR
825# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
826#endif
827
828#ifndef S_ISCHR
829# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
830#endif
831
832#ifndef S_ISBLK
fe14fcc3
LW		 833# ifdef S_IFBLK
834# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
835# else
836# define S_ISBLK(m) (0)
837# endif
c623bd54
LW		 838#endif
839
840#ifndef S_ISREG
841# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
842#endif
843
844#ifndef S_ISFIFO
fe14fcc3
LW		 845# ifdef S_IFIFO
846# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
847# else
848# define S_ISFIFO(m) (0)
849# endif
c623bd54
LW		 850#endif
851
852#ifndef S_ISLNK
853# ifdef _S_ISLNK
854# define S_ISLNK(m) _S_ISLNK(m)
855# else
856# ifdef _S_IFLNK
857# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
858# else
859# ifdef S_IFLNK
860# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
861# else
862# define S_ISLNK(m) (0)
863# endif
864# endif
865# endif
866#endif
867
868#ifndef S_ISSOCK
869# ifdef _S_ISSOCK
870# define S_ISSOCK(m) _S_ISSOCK(m)
871# else
872# ifdef _S_IFSOCK
873# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
874# else
875# ifdef S_IFSOCK
876# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
877# else
878# define S_ISSOCK(m) (0)
879# endif
880# endif
881# endif
882#endif
883
884#ifndef S_IRUSR
885# ifdef S_IREAD
886# define S_IRUSR S_IREAD
887# define S_IWUSR S_IWRITE
888# define S_IXUSR S_IEXEC
889# else
890# define S_IRUSR 0400
891# define S_IWUSR 0200
892# define S_IXUSR 0100
893# endif
fac7cdfc
JS		 894#endif
895
896#ifndef S_IRGRP
897# ifdef S_IRUSR
898# define S_IRGRP (S_IRUSR>>3)
899# define S_IWGRP (S_IWUSR>>3)
900# define S_IXGRP (S_IXUSR>>3)
901# else
902# define S_IRGRP 0040
903# define S_IWGRP 0020
904# define S_IXGRP 0010
905# endif
906#endif
907
908#ifndef S_IROTH
909# ifdef S_IRUSR
910# define S_IROTH (S_IRUSR>>6)
911# define S_IWOTH (S_IWUSR>>6)
912# define S_IXOTH (S_IXUSR>>6)
913# else
914# define S_IROTH 0040
915# define S_IWOTH 0020
916# define S_IXOTH 0010
917# endif
c623bd54
LW		 918#endif
919
920#ifndef S_ISUID
921# define S_ISUID 04000
922#endif
923
924#ifndef S_ISGID
925# define S_ISGID 02000
926#endif
927
ca6e1c26
JH		 928#ifndef S_IRWXU
929# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 930#endif
ca6e1c26
JH		 931
932#ifndef S_IRWXG
933# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 934#endif
ca6e1c26
JH		 935
936#ifndef S_IRWXO
937# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 938#endif
ca6e1c26 939
c21fb2b8
JH		 940/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
941 * which would get included through <sys/file.h >, but that is 3000
942 * lines in the future. --jhi */
943
944#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 945# define S_IREAD S_IRUSR
946#endif
947
c21fb2b8 948#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 949# define S_IWRITE S_IWUSR
950#endif
951
952#ifndef S_IEXEC
953# define S_IEXEC S_IXUSR
954#endif
955
79072805
LW		 956#ifdef ff_next
957# undef ff_next
352d5a3a
LW		 958#endif
959
a0d0e21e 960#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 961# define SLOPPYDIVIDE
962#endif
963
748a9306
LW		 964#ifdef UV
965#undef UV
966#endif
967
c89df6bf
JH		 968#ifdef SPRINTF_E_BUG
969# define sprintf UTS_sprintf_wrap
970#endif
971
c495e728
JH		 972/* Configure gets this right but the UTS compiler gets it wrong.
973 -- Hal Morris <hom00@utsglobal.com> */
974#ifdef UTS
975# undef UVTYPE
976# define UVTYPE unsigned
977#endif
978
05f13f53 979/*
27d4fb96 980 The IV type is supposed to be long enough to hold any integral
981 value or a pointer.
982 --Andy Dougherty August 1996
983*/
984
a22e52b9
JH		 985typedef IVTYPE IV;
986typedef UVTYPE UV;
8175356b 987
10cc9d2a 988#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 989# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 990# define IV_MAX INT64_MAX
991# define IV_MIN INT64_MIN
992# define UV_MAX UINT64_MAX
cae7ae48
JH		 993# ifndef UINT64_MIN
994# define UINT64_MIN 0
995# endif
5ff3f7a4
GS		 996# define UV_MIN UINT64_MIN
997# else
998# define IV_MAX PERL_QUAD_MAX
999# define IV_MIN PERL_QUAD_MIN
1000# define UV_MAX PERL_UQUAD_MAX
1001# define UV_MIN PERL_UQUAD_MIN
1002# endif
cf2093f6
JH		 1003# define IV_IS_QUAD
1004# define UV_IS_QUAD
79072805 1005#else
8175356b 1006# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1007# define IV_MAX INT32_MAX
1008# define IV_MIN INT32_MIN
716026f9
DL		 1009# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1010# define UV_MAX UINT32_MAX
1011# else
1012# define UV_MAX 4294967295U
1013# endif
cae7ae48
JH		 1014# ifndef UINT32_MIN
1015# define UINT32_MIN 0
1016# endif
5ff3f7a4
GS		 1017# define UV_MIN UINT32_MIN
1018# else
1019# define IV_MAX PERL_LONG_MAX
1020# define IV_MIN PERL_LONG_MIN
1021# define UV_MAX PERL_ULONG_MAX
1022# define UV_MIN PERL_ULONG_MIN
1023# endif
8175356b 1024# if IVSIZE == 8
cf2093f6
JH		 1025# define IV_IS_QUAD
1026# define UV_IS_QUAD
de1c2614
JH		 1027# ifndef HAS_QUAD
1028# define HAS_QUAD
1029# endif
cf2093f6
JH		 1030# else
1031# undef IV_IS_QUAD
1032# undef UV_IS_QUAD
de1c2614 1033# undef HAS_QUAD
cf2093f6 1034# endif
79072805 1035#endif
d7d93a81 1036
6cde8aec 1037#if defined(uts) || defined(UTS)
11afe549
HM		 1038# undef UV_MAX
1039# define UV_MAX (4294967295u)
20601011
JH		 1040#endif
1041
cae7ae48 1042#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1043#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1044
28e5dec8 1045#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1046#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1047#endif
1048
d460ef45 1049/*
26bb67e2
JH		 1050 * The macros INT2PTR and NUM2PTR are (despite their names)
1051 * bi-directional: they will convert int/float to or from pointers.
1052 * However the conversion to int/float are named explicitly:
1053 * PTR2IV, PTR2UV, PTR2NV.
1054 *
1055 * For int conversions we do not need two casts if pointers are
1056 * the same size as IV and UV. Otherwise we need an explicit
1057 * cast (PTRV) to avoid compiler warnings.
1058 */
56431972
RB		 1059#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1060# define PTRV UV
1061# define INT2PTR(any,d) (any)(d)
1062#else
d460ef45 1063# if PTRSIZE == LONGSIZE
56431972 1064# define PTRV unsigned long
42718184 1065# else
56431972 1066# define PTRV unsigned
42718184 1067# endif
56431972 1068# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1069#endif
56431972
RB		 1070#define NUM2PTR(any,d) (any)(PTRV)(d)
1071#define PTR2IV(p) INT2PTR(IV,p)
1072#define PTR2UV(p) INT2PTR(UV,p)
1073#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1074#if PTRSIZE == LONGSIZE
d2560b70
RB		 1075# define PTR2ul(p) (unsigned long)(p)
1076#else
1077# define PTR2ul(p) INT2PTR(unsigned long,p)
1078#endif
d460ef45 1079
65202027 1080#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1081# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1082# define LONG_DOUBLE_EQUALS_DOUBLE
1083# endif
68d4903c 1084# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1085# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1086# endif
1087#endif
1088
2d4389e4
JH		 1089#ifdef OVR_DBL_DIG
1090/* Use an overridden DBL_DIG */
1091# ifdef DBL_DIG
1092# undef DBL_DIG
1093# endif
1094# define DBL_DIG OVR_DBL_DIG
1095#else
1096/* The following is all to get DBL_DIG, in order to pick a nice
1097 default value for printing floating point numbers in Gconvert.
1098 (see config.h)
1099*/
1100#ifdef I_LIMITS
1101#include <limits.h>
1102#endif
1103#ifdef I_FLOAT
1104#include <float.h>
1105#endif
1106#ifndef HAS_DBL_DIG
1107#define DBL_DIG 15 /* A guess that works lots of places */
1108#endif
1109#endif
cbca01e1
JH		 1110#ifdef I_FLOAT
1111#include <float.h>
1112#endif
1113#ifndef HAS_DBL_DIG
1114#define DBL_DIG 15 /* A guess that works lots of places */
1115#endif
2d4389e4
JH		 1116
1117#ifdef OVR_LDBL_DIG
1118/* Use an overridden LDBL_DIG */
1119# ifdef LDBL_DIG
1120# undef LDBL_DIG
1121# endif
1122# define LDBL_DIG OVR_LDBL_DIG
1123#else
1124/* The following is all to get LDBL_DIG, in order to pick a nice
1125 default value for printing floating point numbers in Gconvert.
1126 (see config.h)
1127*/
68d4903c
JH		 1128# ifdef I_LIMITS
1129# include <limits.h>
1130# endif
1131# ifdef I_FLOAT
1132# include <float.h>
1133# endif
1134# ifndef HAS_LDBL_DIG
1135# if LONG_DOUBLESIZE == 10
1136# define LDBL_DIG 18 /* assume IEEE */
1137# else
1138# if LONG_DOUBLESIZE == 12
1139# define LDBL_DIG 18 /* gcc? */
1140# else
1141# if LONG_DOUBLESIZE == 16
1142# define LDBL_DIG 33 /* assume IEEE */
1143# else
1144# if LONG_DOUBLESIZE == DOUBLESIZE
1145# define LDBL_DIG DBL_DIG /* bummer */
1146# endif
1147# endif
1148# endif
1149# endif
1150# endif
2d4389e4
JH		 1151#endif
1152
a22e52b9 1153typedef NVTYPE NV;
8175356b 1154
792d8dab
JH		 1155#ifdef I_IEEEFP
1156# include <ieeefp.h>
1157#endif
923fc586 1158
65202027 1159#ifdef USE_LONG_DOUBLE
923fc586
JH		 1160# ifdef I_SUNMATH
1161# include <sunmath.h>
1162# endif
2d4389e4 1163# define NV_DIG LDBL_DIG
d6c14000
JH		 1164# ifdef LDBL_MANT_DIG
1165# define NV_MANT_DIG LDBL_MANT_DIG
1166# endif
06fc1729
JH		 1167# ifdef LDBL_MIN
1168# define NV_MIN LDBL_MIN
1169# endif
1170# ifdef LDBL_MAX
1171# define NV_MAX LDBL_MAX
1172# endif
1173# ifdef LDBL_MIN_10_EXP
1174# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1175# endif
1176# ifdef LDBL_MAX_10_EXP
1177# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1178# endif
1179# ifdef LDBL_EPSILON
1180# define NV_EPSILON LDBL_EPSILON
1181# endif
f4a14a62
JH		 1182# ifdef LDBL_MAX
1183# define NV_MAX LDBL_MAX
1184# define NV_MIN LDBL_MIN
1185# else
1186# ifdef HUGE_VALL
1187# define NV_MAX HUGE_VALL
1188# else
1189# ifdef HUGE_VAL
1190# define NV_MAX ((NV)HUGE_VAL)
1191# endif
1192# endif
1193# endif
68d4903c 1194# ifdef HAS_SQRTL
68d4903c
JH		 1195# define Perl_cos cosl
1196# define Perl_sin sinl
1197# define Perl_sqrt sqrtl
1198# define Perl_exp expl
1199# define Perl_log logl
1200# define Perl_atan2 atan2l
1201# define Perl_pow powl
1202# define Perl_floor floorl
1203# define Perl_fmod fmodl
1204# endif
a3540c92
JH		 1205/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1206# ifdef HAS_MODFL
1207# define Perl_modf(x,y) modfl(x,y)
e82e08d5
JH		 1208# else
1209# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
a3540c92
JH		 1210# endif
1211# ifdef HAS_FREXPL
dff3e0b8 1212# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5
JH		 1213# else
1214# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
a3540c92 1215# endif
758a5d79
JH		 1216# ifndef Perl_isinf
1217# ifdef HAS_ISNANL
1218# define Perl_isnan(x) isnanl(x)
1219# endif
1220# endif
1221# ifndef Perl_isinf
1222# ifdef HAS_FINITEL
1223# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1224# endif
1225# endif
65202027 1226#else
2d4389e4 1227# define NV_DIG DBL_DIG
d6c14000
JH		 1228# ifdef DBL_MANT_DIG
1229# define NV_MANT_DIG DBL_MANT_DIG
1230# endif
06fc1729
JH		 1231# ifdef DBL_MIN
1232# define NV_MIN DBL_MIN
1233# endif
1234# ifdef DBL_MAX
1235# define NV_MAX DBL_MAX
1236# endif
1237# ifdef DBL_MIN_10_EXP
1238# define NV_MIN_10_EXP DBL_MIN_10_EXP
1239# endif
1240# ifdef DBL_MAX_10_EXP
1241# define NV_MAX_10_EXP DBL_MAX_10_EXP
1242# endif
1243# ifdef DBL_EPSILON
1244# define NV_EPSILON DBL_EPSILON
1245# endif
f4a14a62
JH		 1246# ifdef DBL_MAX
1247# define NV_MAX DBL_MAX
1248# define NV_MIN DBL_MIN
1249# else
1250# ifdef HUGE_VAL
1251# define NV_MAX HUGE_VAL
1252# endif
1253# endif
65202027
DS		 1254# define Perl_cos cos
1255# define Perl_sin sin
1256# define Perl_sqrt sqrt
1257# define Perl_exp exp
1258# define Perl_log log
1259# define Perl_atan2 atan2
1260# define Perl_pow pow
1261# define Perl_floor floor
65202027 1262# define Perl_fmod fmod
a3540c92 1263# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1264# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1265#endif
1266
1267/* rumor has it that Win32 has _fpclass() */
1268
1269#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1270# ifdef I_IEEFP
1271# include <ieeefp.h>
1272# endif
1273# ifdef I_FP
1274# include <fp.h>
1275# endif
1276# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1277# define Perl_fp_class() fpclassl(x)
1278# else
1279# define Perl_fp_class() fpclass(x)
1280# endif
1281# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1282# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1283# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1284# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1285# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1286# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1287# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1288# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1289# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1290# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1291# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1292# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1293# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1294# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1295# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1296#endif
1297
7114a2d2 1298#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1299# include <math.h>
1300# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1301# include <fp_class.h>
1302# endif
1303# define Perl_fp_class(x) fp_class(x)
1304# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1305# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1306# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1307# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1308# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1309# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1310# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1311# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1312# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1313# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1314# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1315# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1316# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1317# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1318# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1319#endif
1320
1321#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1322# include <math.h>
1323# define Perl_fp_class(x) fpclassify(x)
1324# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN|FP|_fp_classify(x)==QNAN)
1325# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1326# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1327# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1328# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1329#endif
1330
1331#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1332# include <math.h>
1333# ifndef _cplusplus
1334# define Perl_fp_class(x) class(x)
1335# else
1336# define Perl_fp_class(x) _class(x)
1337# endif
1338# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1339# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1340# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1341# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1342# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1343# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1344# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1345# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1346# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1347# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1348# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1349# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1350# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1351# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1352# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1353#endif
1354
1355/* rumor has it that Win32 has _isnan() */
1356
1357#ifndef Perl_isnan
a3540c92 1358# ifdef HAS_ISNAN
758a5d79
JH		 1359# define Perl_isnan(x) isnan((NV)x)
1360# else
1361# ifdef Perl_fp_class_nan
1362# define Perl_isnan(x) Perl_fp_class_nan(x)
1363# else
1364# ifdef HAS_UNORDERED
1365# define Perl_isnan(x) unordered((x), 0.0)
1366# else
1367# define Perl_isnan(x) ((x)!=(x))
1368# endif
1369# endif
1370# endif
1371#endif
1372
ca6c63e1
JH		 1373#ifdef UNDER_CE
1374int isnan(double d);
1375#endif
1376
758a5d79
JH		 1377#ifndef Perl_isinf
1378# ifdef HAS_ISINF
1379# define Perl_isinf(x) isinf((NV)x)
a3540c92 1380# else
758a5d79
JH		 1381# ifdef Perl_fp_class_inf
1382# define Perl_isinf(x) Perl_fp_class_inf(x)
1383# else
1384# define Perl_isinf(x) ((x)==NV_INF)
1385# endif
1386# endif
1387#endif
1388
1389#ifndef Perl_isfinite
1390# ifdef HAS_FINITE
1391# define Perl_isfinite(x) finite((NV)x)
1392# else
1393# ifdef HAS_ISFINITE
1394# define Perl_isfinite(x) isfinite(x)
1395# else
1396# ifdef Perl_fp_class_finite
1397# define Perl_isfinite(x) Perl_fp_class_finite(x)
1398# else
1399# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1400# endif
1401# endif
a3540c92 1402# endif
65202027
DS		 1403#endif
1404
1f727ac0
HS		 1405#define Perl_atof(s) Perl_my_atof(s)
1406#define Perl_atof2(s, np) Perl_my_atof2(s, np)
cf2093f6 1407
d460ef45 1408/* Previously these definitions used hardcoded figures.
760ac839
LW		 1409 * It is hoped these formula are more portable, although
1410 * no data one way or another is presently known to me.
1411 * The "PERL_" names are used because these calculated constants
1412 * do not meet the ANSI requirements for LONG_MAX, etc., which
1413 * need to be constants acceptable to #if - kja
1414 * define PERL_LONG_MAX 2147483647L
1415 * define PERL_LONG_MIN (-LONG_MAX - 1)
1416 * define PERL ULONG_MAX 4294967295L
1417 */
1418
1419#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1420# include <limits.h>
1421#else
1422#ifdef I_VALUES
1423# include <values.h>
1424#endif
1425#endif
1426
99abf803 1427/*
1428 * Try to figure out max and min values for the integral types. THE CORRECT
1429 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1430 * following hacks are used if neither limits.h or values.h provide them:
1431 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1432 * for types < int: (unsigned TYPE)~(unsigned)0
1433 * The argument to ~ must be unsigned so that later signed->unsigned
1434 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1435 * and it must not be smaller than int because ~ does integral promotion.
1436 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1437 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1438 * The latter is a hack which happens to work on some machines but
1439 * does *not* catch any random system, or things like integer types
1440 * with NaN if that is possible.
1441 *
1442 * All of the types are explicitly cast to prevent accidental loss of
1443 * numeric range, and in the hope that they will be less likely to confuse
1444 * over-eager optimizers.
1445 *
1446 */
27d4fb96 1447
99abf803 1448#define PERL_UCHAR_MIN ((unsigned char)0)
1449
1450#ifdef UCHAR_MAX
1451# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1452#else
99abf803 1453# ifdef MAXUCHAR
1454# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1455# else
99abf803 1456# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1457# endif
1458#endif
d460ef45 1459
99abf803 1460/*
1461 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1462 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1463 * depending on local options. Until Configure detects this (or at least
1464 * detects whether the "signed" keyword is available) the CHAR ranges
1465 * will not be included. UCHAR functions normally.
1466 * - kja
1467 */
27d4fb96 1468
99abf803 1469#define PERL_USHORT_MIN ((unsigned short)0)
1470
1471#ifdef USHORT_MAX
1472# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1473#else
99abf803 1474# ifdef MAXUSHORT
1475# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1476# else
ef2f54b0
CB		 1477# ifdef USHRT_MAX
1478# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1479# else
1480# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1481# endif
27d4fb96 1482# endif
1483#endif
1484
27d4fb96 1485#ifdef SHORT_MAX
99abf803 1486# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1487#else
1488# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1489# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1490# else
ef2f54b0
CB		 1491# ifdef SHRT_MAX
1492# define PERL_SHORT_MAX ((short)SHRT_MAX)
1493# else
1494# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1495# endif
27d4fb96 1496# endif
1497#endif
1498
1499#ifdef SHORT_MIN
99abf803 1500# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1501#else
1502# ifdef MINSHORT
99abf803 1503# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1504# else
ef2f54b0
CB		 1505# ifdef SHRT_MIN
1506# define PERL_SHORT_MIN ((short)SHRT_MIN)
1507# else
1508# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1509# endif
27d4fb96 1510# endif
1511#endif
1512
99abf803 1513#ifdef UINT_MAX
1514# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1515#else
99abf803 1516# ifdef MAXUINT
1517# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1518# else
99abf803 1519# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1520# endif
1521#endif
1522
99abf803 1523#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1524
1525#ifdef INT_MAX
99abf803 1526# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1527#else
1528# ifdef MAXINT /* Often used in <values.h> */
99abf803 1529# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1530# else
99abf803 1531# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1532# endif
1533#endif
1534
1535#ifdef INT_MIN
99abf803 1536# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1537#else
1538# ifdef MININT
99abf803 1539# define PERL_INT_MIN ((int)MININT)
27d4fb96 1540# else
1541# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1542# endif
1543#endif
1544
99abf803 1545#ifdef ULONG_MAX
1546# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1547#else
99abf803 1548# ifdef MAXULONG
1549# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1550# else
99abf803 1551# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1552# endif
1553#endif
1554
99abf803 1555#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1556
760ac839 1557#ifdef LONG_MAX
99abf803 1558# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1559#else
1560# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1561# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1562# else
99abf803 1563# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1564# endif
1565#endif
1566
1567#ifdef LONG_MIN
99abf803 1568# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1569#else
1570# ifdef MINLONG
99abf803 1571# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1572# else
27d4fb96 1573# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1574# endif
1575#endif
1576
d7d93a81 1577#ifdef UV_IS_QUAD
99abf803 1578
99abf803 1579# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1580# define PERL_UQUAD_MIN ((UV)0)
99abf803 1581# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1582# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1583
79072805
LW		 1584#endif
1585
880b20b6
IZ		 1586struct perl_mstats {
1587 UV *nfree;
1588 UV *ntotal;
1589 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1590 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1591 IV minbucket;
1592 /* Level 1 info */
1593 UV *bucket_mem_size;
1594 UV *bucket_available_size;
1595 UV nbuckets;
1596};
830247a4 1597struct RExC_state_t;
880b20b6 1598
ee0007ab 1599typedef MEM_SIZE STRLEN;
450a55e4 1600
79072805
LW		 1601typedef struct op OP;
1602typedef struct cop COP;
1603typedef struct unop UNOP;
1604typedef struct binop BINOP;
1605typedef struct listop LISTOP;
1606typedef struct logop LOGOP;
79072805
LW		 1607typedef struct pmop PMOP;
1608typedef struct svop SVOP;
7934575e 1609typedef struct padop PADOP;
79072805 1610typedef struct pvop PVOP;
79072805
LW		 1611typedef struct loop LOOP;
1612
93a17b20 1613typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1614
1615/* Amdahl's <ksync.h> has struct sv */
1616/* SGI's <sys/sema.h> has struct sv */
1617#if defined(UTS) || defined(__sgi)
1618# define STRUCT_SV perl_sv
b8d3c5db
JH		 1619#else
1620# define STRUCT_SV sv
1621#endif
1622typedef struct STRUCT_SV SV;
79072805
LW		 1623typedef struct av AV;
1624typedef struct hv HV;
1625typedef struct cv CV;
378cc40b 1626typedef struct regexp REGEXP;
79072805 1627typedef struct gp GP;
0c30d9ec 1628typedef struct gv GV;
8990e307 1629typedef struct io IO;
c09156bb 1630typedef struct context PERL_CONTEXT;
79072805
LW		 1631typedef struct block BLOCK;
1632
1633typedef struct magic MAGIC;
ed6116ce 1634typedef struct xrv XRV;
79072805
LW		 1635typedef struct xpv XPV;
1636typedef struct xpviv XPVIV;
ff68c719 1637typedef struct xpvuv XPVUV;
79072805
LW		 1638typedef struct xpvnv XPVNV;
1639typedef struct xpvmg XPVMG;
1640typedef struct xpvlv XPVLV;
1641typedef struct xpvav XPVAV;
1642typedef struct xpvhv XPVHV;
1643typedef struct xpvgv XPVGV;
1644typedef struct xpvcv XPVCV;
1645typedef struct xpvbm XPVBM;
1646typedef struct xpvfm XPVFM;
8990e307 1647typedef struct xpvio XPVIO;
79072805
LW		 1648typedef struct mgvtbl MGVTBL;
1649typedef union any ANY;
5f7fde29
GS		 1650typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1651typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1652typedef struct clone_params CLONE_PARAMS;
1653
8d063cd8 1654
378cc40b 1655#include "handy.h"
a0d0e21e 1656
6b8eaf93 1657#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1658# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1659# define USE_64_BIT_RAWIO /* implicit */
1660# endif
4564133c
JH		 1661#endif
1662
6b8eaf93
JH		 1663/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1664 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1665 * however, because operating systems like to do that themself. */
1666#ifndef FSEEKSIZE
1667# ifdef HAS_FSEEKO
1668# define FSEEKSIZE LSEEKSIZE
1669# else
1670# define FSEEKSIZE LONGSIZE
d460ef45 1671# endif
6b8eaf93
JH		 1672#endif
1673
1674#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1675# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1676# define USE_64_BIT_STDIO /* implicit */
1677# endif
1678#endif
4564133c 1679
09458382 1680#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1681# ifdef HAS_OFF64_T
1682# undef Off_t
1683# define Off_t off64_t
1684# undef LSEEKSIZE
1685# define LSEEKSIZE 8
5ff3f7a4 1686# endif
d9b3e12d
JH		 1687/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1688 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1689 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1690# if defined(USE_OPEN64)
1691# define open open64
5ff3f7a4 1692# endif
d9b3e12d
JH		 1693# if defined(USE_LSEEK64)
1694# define lseek lseek64
6b8eaf93
JH		 1695# else
1696# if defined(USE_LLSEEK)
1697# define lseek llseek
1698# endif
d9b3e12d
JH		 1699# endif
1700# if defined(USE_STAT64)
1701# define stat stat64
1702# endif
1703# if defined(USE_FSTAT64)
1704# define fstat fstat64
1705# endif
1706# if defined(USE_LSTAT64)
1707# define lstat lstat64
1708# endif
1709# if defined(USE_FLOCK64)
1710# define flock flock64
1711# endif
1712# if defined(USE_LOCKF64)
1713# define lockf lockf64
1714# endif
1715# if defined(USE_FCNTL64)
1716# define fcntl fcntl64
1717# endif
1718# if defined(USE_TRUNCATE64)
1719# define truncate truncate64
1720# endif
1721# if defined(USE_FTRUNCATE64)
1722# define ftruncate ftruncate64
1723# endif
1724#endif
1725
1726#ifdef USE_64_BIT_STDIO
1727# ifdef HAS_FPOS64_T
1728# undef Fpos_t
1729# define Fpos_t fpos64_t
1730# endif
1731/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1732 * will trigger defines like the ones below. Some 64-bit environments,
1733 * however, do not. */
1734# if defined(USE_FOPEN64)
1735# define fopen fopen64
1736# endif
1737# if defined(USE_FSEEK64)
6b8eaf93 1738# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1739# endif
1740# if defined(USE_FTELL64)
6b8eaf93 1741# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1742# endif
1743# if defined(USE_FSETPOS64)
1744# define fsetpos fsetpos64
1745# endif
1746# if defined(USE_FGETPOS64)
1747# define fgetpos fgetpos64
1748# endif
1749# if defined(USE_TMPFILE64)
1750# define tmpfile tmpfile64
1751# endif
1752# if defined(USE_FREOPEN64)
1753# define freopen freopen64
5ff3f7a4
GS		 1754# endif
1755#endif
1756
af8b425d 1757#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1758# include "iperlsys.h"
1759#endif
1760
6f71a643 1761#if defined(__OPEN_VM)
19848b3f
JH		 1762# include "vmesa/vmesaish.h"
1763# define ISHISH "vmesa"
6f71a643
JH		 1764#endif
1765
748a9306 1766#ifdef DOSISH
19848b3f
JH		 1767# if defined(OS2)
1768# include "os2ish.h"
1769# else
1770# include "dosish.h"
1771# endif
1772# define ISHISH "dos"
1773#endif
1774
1775#if defined(VMS)
748a9306 1776# include "vmsish.h"
96e176bf 1777# include "embed.h"
19848b3f
JH		 1778# define ISHISH "vms"
1779#endif
1780
1781#if defined(PLAN9)
1782# include "./plan9/plan9ish.h"
1783# define ISHISH "plan9"
1784#endif
1785
1786#if defined(MPE)
1787# include "mpeix/mpeixish.h"
1788# define ISHISH "mpeix"
1789#endif
1790
1791#if defined(__VOS__)
36df99d6 1792# include "./vos/vosish.h"
19848b3f
JH		 1793# define ISHISH "vos"
1794#endif
1795
1796#if defined(EPOC)
1797# include "epocish.h"
1798# define ISHISH "epoc"
1799#endif
1800
1801#if defined(MACOS_TRADITIONAL)
1802# include "macos/macish.h"
1803# ifndef NO_ENVIRON_ARRAY
1804# define NO_ENVIRON_ARRAY
0c30d9ec 1805# endif
19848b3f
JH		 1806# define ISHISH "macos classic"
1807#endif
1808
efca5cc6
JH		 1809#if defined(__BEOS__)
1810# include "beos/beosish.h"
1811# define ISHISH "beos"
1812#endif
1813
19848b3f
JH		 1814#ifndef ISHISH
1815# include "unixish.h"
1816# define ISHISH "unix"
13b6e58c
JH		 1817#endif
1818
1819#ifndef NO_ENVIRON_ARRAY
1820# define USE_ENVIRON_ARRAY
1821#endif
32f822de 1822
c77b533b
JH		 1823/*
1824 * initialise to avoid floating-point exceptions from overflow, etc
1825 */
1826#ifndef PERL_FPU_INIT
1827# ifdef HAS_FPSETMASK
1828# if HAS_FLOATINGPOINT_H
1829# include <floatingpoint.h>
1830# endif
1831# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1832# else
7014c407
JH		 1833# if defined(SIGFPE) && defined(SIG_IGN)
1834# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1835# else
1836# define PERL_FPU_INIT
1837# endif
c77b533b
JH		 1838# endif
1839#endif
1840
ed344e4f
IZ		 1841#ifndef PERL_SYS_INIT3
1842# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1843#endif
1844
be708cc0
JH		 1845#ifndef PERL_WRITE_MSG_TO_CONSOLE
1846# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1847#endif
1848
0f31cffe
GS		 1849#ifndef MAXPATHLEN
1850# ifdef PATH_MAX
b990c8b2
JH		 1851# ifdef _POSIX_PATH_MAX
1852# if PATH_MAX > _POSIX_PATH_MAX
1853/* MAXPATHLEN is supposed to include the final null character,
1854 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1855# define MAXPATHLEN (PATH_MAX+1)
1856# else
1857# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1858# endif
1859# else
1860# define MAXPATHLEN (PATH_MAX+1)
1861# endif
0f31cffe 1862# else
b990c8b2
JH		 1863# ifdef _POSIX_PATH_MAX
1864# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1865# else
1866# define MAXPATHLEN 1024 /* Err on the large side. */
1867# endif
0f31cffe
GS		 1868# endif
1869#endif
1870
d460ef45 1871/*
4d1ff10f 1872 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1873 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1874 * this results in many functions being undeclared which bothers C++
1875 * May make sense to have threads after "*ish.h" anyway
1876 */
1877
4d1ff10f
AB		 1878#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
1879# if defined(USE_5005THREADS)
79d59c5f
GS		 1880 /* pending resolution of licensing issues, we avoid the erstwhile
1881 * atomic.h everywhere */
1882# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1883# endif
2986a63f
JH		 1884# ifdef NETWARE
1885# include <nw5thread.h>
1886# else
32f822de
GS		 1887# ifdef FAKE_THREADS
1888# include "fakethr.h"
1889# else
1890# ifdef WIN32
1891# include <win32thread.h>
1892# else
dd96f567
IZ		 1893# ifdef OS2
1894# include "os2thread.h"
1895# else
7f3d1cf1 1896# ifdef I_MACH_CTHREADS
bdd66968 1897# include <mach/cthreads.h>
8f1f23e8 1898# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 1899# define MUTEX_INIT_CALLS_MALLOC
1900# endif
7f3d1cf1
BH		 1901typedef cthread_t perl_os_thread;
1902typedef mutex_t perl_mutex;
1903typedef condition_t perl_cond;
1904typedef void * perl_key;
1905# else /* Posix threads */
1f5ae88c
JH		 1906# ifdef I_PTHREAD
1907# include <pthread.h>
1908# endif
7f3d1cf1
BH		 1909typedef pthread_t perl_os_thread;
1910typedef pthread_mutex_t perl_mutex;
1911typedef pthread_cond_t perl_cond;
1912typedef pthread_key_t perl_key;
1913# endif /* I_MACH_CTHREADS */
dd96f567 1914# endif /* OS2 */
32f822de
GS		 1915# endif /* WIN32 */
1916# endif /* FAKE_THREADS */
2986a63f 1917#endif /* NETWARE */
4d1ff10f 1918#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 1919
66a93824 1920#if defined(WIN32)
1feb2720 1921# include "win32.h"
c5be433b
GS		 1922#endif
1923
2986a63f
JH		 1924#ifdef NETWARE
1925# include "netware.h"
1926#endif
1927
68dc0745 1928#ifdef VMS
6b88bc9c 1929# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 1930# define STATUS_NATIVE_EXPORT \
d98f61e7 1931 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 1932# define STATUS_NATIVE_SET(n) \
1933 STMT_START { \
6b88bc9c
GS		 1934 PL_statusvalue_vms = (n); \
1935 if ((I32)PL_statusvalue_vms == -1) \
3280af22 1936 PL_statusvalue = -1; \
6b88bc9c 1937 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 1938 PL_statusvalue = 0; \
6b88bc9c
GS		 1939 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
1940 PL_statusvalue = 1 << 8; \
68dc0745 1941 else \
6b88bc9c 1942 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 1943 } STMT_END
3280af22 1944# define STATUS_POSIX PL_statusvalue
68dc0745 1945# ifdef VMSISH_STATUS
1946# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1947# else
1948# define STATUS_CURRENT STATUS_POSIX
1949# endif
1950# define STATUS_POSIX_SET(n) \
1951 STMT_START { \
3280af22
NIS		 1952 PL_statusvalue = (n); \
1953 if (PL_statusvalue != -1) { \
1954 PL_statusvalue &= 0xFFFF; \
6b88bc9c 1955 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 1956 } \
6b88bc9c 1957 else PL_statusvalue_vms = -1; \
68dc0745 1958 } STMT_END
6b88bc9c
GS		 1959# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
1960# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 1961#else
1962# define STATUS_NATIVE STATUS_POSIX
1963# define STATUS_NATIVE_EXPORT STATUS_POSIX
1964# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 1965# define STATUS_POSIX PL_statusvalue
68dc0745 1966# define STATUS_POSIX_SET(n) \
1967 STMT_START { \
3280af22
NIS		 1968 PL_statusvalue = (n); \
1969 if (PL_statusvalue != -1) \
1970 PL_statusvalue &= 0xFFFF; \
68dc0745 1971 } STMT_END
1972# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 1973# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
1974# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 1975#endif
1976
cc3604b1
GS		 1977/* flags in PL_exit_flags for nature of exit() */
1978#define PERL_EXIT_EXPECTED 0x01
31d77e54 1979#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 1980
0b94c7bb 1981#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 1982# define MEMBER_TO_FPTR(name) name
1983#endif
1984
1985/* format to use for version numbers in file/directory names */
273cf8d1 1986/* XXX move to Configure? */
a7cb1f99 1987#ifndef PERL_FS_VER_FMT
273cf8d1 1988# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 1989#endif
1990
45bc9206 1991/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 1992 * performance issue, so we allow people to disable it. Also, if
1993 * we are using stdio, there are broken implementations of fflush(NULL)
1994 * out there, Solaris being the most prominent.
45bc9206
GS		 1995 */
1996#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 1997# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 1998# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 1999# else
2000# ifdef FFLUSH_ALL
2001# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2002# else
c5be433b 2003# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2004# endif
66fe083f 2005# endif
45bc9206
GS		 2006#endif
2007
7766f137
GS		 2008#ifndef PERL_WAIT_FOR_CHILDREN
2009# define PERL_WAIT_FOR_CHILDREN NOOP
2010#endif
2011
ba869deb 2012/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2013#ifndef PERL_SET_INTERP
2014# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2015#endif
2016
2017#ifndef PERL_GET_INTERP
2018# define PERL_GET_INTERP (PL_curinterp)
2019#endif
2020
54aff467 2021#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 2022# ifdef USE_5005THREADS
ba869deb 2023# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS		 2024# else
2025# ifdef MULTIPLICITY
ba869deb 2026# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS		 2027# endif
2028# endif
ba869deb
GS		 2029# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2030#endif
2031
894356b3
GS		 2032#ifndef SVf
2033# ifdef CHECK_FORMAT
2034# define SVf "p"
2035# else
2036# define SVf "_"
d460ef45 2037# endif
894356b3
GS		 2038#endif
2039
d2560b70
RB		 2040#ifndef UVf
2041# ifdef CHECK_FORMAT
2042# define UVf UVuf
2043# else
2044# define UVf "Vu"
d460ef45 2045# endif
d2560b70
RB		 2046#endif
2047
2048#ifndef VDf
2049# ifdef CHECK_FORMAT
2050# define VDf "p"
2051# else
2052# define VDf "vd"
d460ef45 2053# endif
d2560b70
RB		 2054#endif
2055
b3fe4827
RB		 2056#ifndef Nullformat
2057# ifdef CHECK_FORMAT
2058# define Nullformat "%s",""
2059# else
2060# define Nullformat Nullch
2061# endif
2062#endif
2063
3fc1aec6 2064/* Some unistd.h's give a prototype for pause() even though
2065 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2066 below to be rejected by the compiler. Sigh.
3fc1aec6 2067*/
2068#ifdef HAS_PAUSE
2069#define Pause pause
2070#else
2071#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2072#endif
2073
2074#ifndef IOCPARM_LEN
2075# ifdef IOCPARM_MASK
2076 /* on BSDish systes we're safe */
2077# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2078# else
2079 /* otherwise guess at what's safe */
2080# define IOCPARM_LEN(x) 256
2081# endif
a0d0e21e
LW		 2082#endif
2083
1761cee5 2084#if defined(__CYGWIN__)
521e0776
GS		 2085/* USEMYBINMODE
2086 * This symbol, if defined, indicates that the program should
16fe6d59 2087 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2088 * that a file is in "binary" mode -- that is, that no translation
2089 * of bytes occurs on read or write operations.
2090 */
2091# define USEMYBINMODE / **/
16fe6d59
GS		 2092# define my_binmode(fp, iotype, mode) \
2093 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2094#endif
2095
cea2e8a9
GS		 2096#ifdef UNION_ANY_DEFINITION
2097UNION_ANY_DEFINITION;
2098#else
2099union any {
2100 void* any_ptr;
2101 I32 any_i32;
2102 IV any_iv;
2103 long any_long;
c76ac1ee 2104 void (*any_dptr) (void*);
acfe0abc 2105 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2106};
2107#endif
2108
4d1ff10f 2109#ifdef USE_5005THREADS
cea2e8a9
GS		 2110#define ARGSproto struct perl_thread *thr
2111#else
2112#define ARGSproto
4d1ff10f 2113#endif /* USE_5005THREADS */
cea2e8a9 2114
acfe0abc 2115typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2116
2117#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2118#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2119#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2120
af8b425d 2121#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2122# include "iperlsys.h"
2123#endif
378cc40b 2124#include "regexp.h"
79072805 2125#include "sv.h"
378cc40b 2126#include "util.h"
8d063cd8 2127#include "form.h"
79072805
LW		 2128#include "gv.h"
2129#include "cv.h"
abdd5c84 2130#include "opnames.h"
79072805
LW		 2131#include "op.h"
2132#include "cop.h"
2133#include "av.h"
2134#include "hv.h"
2135#include "mg.h"
2136#include "scope.h"
4438c4b7 2137#include "warnings.h"
a0ed51b3 2138#include "utf8.h"
cd1ee231 2139#include "sharedsv.h"
8d063cd8 2140
7fae4e64
GS		 2141/* Current curly descriptor */
2142typedef struct curcur CURCUR;
2143struct curcur {
2144 int parenfloor; /* how far back to strip paren data */
2145 int cur; /* how many instances of scan we've matched */
2146 int min; /* the minimal number of scans to match */
2147 int max; /* the maximal number of scans to match */
2148 int minmod; /* whether to work our way up or down */
2149 regnode * scan; /* the thing to match */
2150 regnode * next; /* what has to match after it */
2151 char * lastloc; /* where we started matching this scan */
2152 CURCUR * oldcc; /* current curly before we started this one */
2153};
2154
2155typedef struct _sublex_info SUBLEXINFO;
2156struct _sublex_info {
2157 I32 super_state; /* lexer state to save */
2158 I32 sub_inwhat; /* "lex_inwhat" to use */
2159 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2160 char *super_bufptr; /* PL_bufptr that was */
2161 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2162};
2163
455ece5e 2164typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2165
2c2d71f5 2166struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2167struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2168
2169typedef I32 CHECKPOINT;
76e3520e 2170
5f7fde29
GS		 2171struct ptr_tbl_ent {
2172 struct ptr_tbl_ent* next;
2173 void* oldval;
2174 void* newval;
d18c6117
GS		 2175};
2176
5f7fde29
GS		 2177struct ptr_tbl {
2178 struct ptr_tbl_ent** tbl_ary;
2179 UV tbl_max;
2180 UV tbl_items;
d18c6117
GS		 2181};
2182
450a55e4 2183#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2184# define I286
2185#endif
2186
fe14fcc3
LW		 2187#if defined(htonl) && !defined(HAS_HTONL)
2188#define HAS_HTONL
ae986130 2189#endif
fe14fcc3
LW		 2190#if defined(htons) && !defined(HAS_HTONS)
2191#define HAS_HTONS
ae986130 2192#endif
fe14fcc3
LW		 2193#if defined(ntohl) && !defined(HAS_NTOHL)
2194#define HAS_NTOHL
ae986130 2195#endif
fe14fcc3
LW		 2196#if defined(ntohs) && !defined(HAS_NTOHS)
2197#define HAS_NTOHS
ae986130 2198#endif
fe14fcc3 2199#ifndef HAS_HTONL
d9d8d8de 2200#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2201#define HAS_HTONS
2202#define HAS_HTONL
2203#define HAS_NTOHS
2204#define HAS_NTOHL
a687059c
LW		 2205#define MYSWAP
2206#define htons my_swap
2207#define htonl my_htonl
2208#define ntohs my_swap
2209#define ntohl my_ntohl
2210#endif
2211#else
d9d8d8de 2212#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2213#undef HAS_HTONS
2214#undef HAS_HTONL
2215#undef HAS_NTOHS
2216#undef HAS_NTOHL
a687059c
LW		 2217#endif
2218#endif
2219
988174c1
LW		 2220/*
2221 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2222 * -DWS
2223 */
2224#if BYTEORDER != 0x1234
2225# define HAS_VTOHL
2226# define HAS_VTOHS
2227# define HAS_HTOVL
2228# define HAS_HTOVS
c67712b2 2229# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2230# define vtohl(x) ((((x)&0xFF)<<24) \
2231 +(((x)>>24)&0xFF) \
2232 +(((x)&0x0000FF00)<<8) \
2233 +(((x)&0x00FF0000)>>8) )
2234# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2235# define htovl(x) vtohl(x)
2236# define htovs(x) vtohs(x)
2237# endif
2238 /* otherwise default to functions in util.c */
2239#endif
2240
3bb7c1b4
JH		 2241/* *MAX Plus 1. A floating point value.
2242 Hopefully expressed in a way that dodgy floating point can't mess up.
2243 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2244 is added to it
2245 May find that some broken compiler will want the value cast to I32.
2246 [after the shift, as signed >> may not be as secure as unsigned >>]
2247*/
2248#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2249#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2250/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2251 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2252 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2253*/
2254#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2255
3bb7c1b4
JH		 2256#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2257#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2258#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2259
2260/* This may look like unnecessary jumping through hoops, but converting
2261 out of range floating point values to integers *is* undefined behaviour,
2262 and it is starting to bite.
2263*/
2264#ifndef CAST_INLINE
65202027 2265#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2266#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2267#define I_V(what) (cast_iv((NV)(what)))
2268#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2269#else
2270#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2271 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2272 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2273#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2274 : ((n) < U32_MAX_P1 ? (U32) (n) \
2275 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2276#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2277 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2278 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2279#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2280 : ((n) < UV_MAX_P1 ? (UV) (n) \
2281 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2282#endif
2283
2284#define U_S(what) ((U16)U_32(what))
2285#define U_I(what) ((unsigned int)U_32(what))
2286#define U_L(what) U_32(what)
ed6116ce 2287
2d4389e4
JH		 2288/* These do not care about the fractional part, only about the range. */
2289#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2290#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2291
25da4f38
IZ		 2292/* Used with UV/IV arguments: */
2293 /* XXXX: need to speed it up */
2294#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2295#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2296
352d5a3a
LW		 2297#ifndef MAXSYSFD
2298# define MAXSYSFD 2
2299#endif
ee0007ab 2300
79072805 2301#ifndef __cplusplus
e1caacb4 2302#ifndef UNDER_CE
20ce7b12
GS		 2303Uid_t getuid (void);
2304Uid_t geteuid (void);
2305Gid_t getgid (void);
2306Gid_t getegid (void);
79072805 2307#endif
e1caacb4 2308#endif
8d063cd8 2309
0c30d9ec 2310#ifndef Perl_debug_log
bf49b057
GS		 2311# define Perl_debug_log PerlIO_stderr()
2312#endif
2313
2314#ifndef Perl_error_log
2315# define Perl_error_log (PL_stderrgv \
01bb7c6d 2316 && GvIOp(PL_stderrgv) \
42de951c 2317 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2318 ? IoOFP(GvIOp(PL_stderrgv)) \
2319 : PerlIO_stderr())
0c30d9ec 2320#endif
3967c732 2321
aea4f609
DM		 2322
2323#define DEBUG_p_FLAG 0x00000001 /* 1 */
2324#define DEBUG_s_FLAG 0x00000002 /* 2 */
2325#define DEBUG_l_FLAG 0x00000004 /* 4 */
2326#define DEBUG_t_FLAG 0x00000008 /* 8 */
2327#define DEBUG_o_FLAG 0x00000010 /* 16 */
2328#define DEBUG_c_FLAG 0x00000020 /* 32 */
2329#define DEBUG_P_FLAG 0x00000040 /* 64 */
2330#define DEBUG_m_FLAG 0x00000080 /* 128 */
2331#define DEBUG_f_FLAG 0x00000100 /* 256 */
2332#define DEBUG_r_FLAG 0x00000200 /* 512 */
2333#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2334#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2335#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2336#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2337#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2338#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2339#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2340#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8
DM		 2341#define DEBUG_R_FLAG 0x00040000 /* 262144 */
2342#define DEBUG_MASK 0x0007FFFF /* mask of all the standard flags */
aea4f609
DM		 2343
2344#define DEBUG_DB_RECURSE_FLAG 0x40000000
2345#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? */
2346
2347
bd16a5f0
IZ		 2348# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2349# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2350# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2351# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2352# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2353# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2354# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2355# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2356# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2357# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2358# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2359# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
2360# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
2361# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2362# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2363# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2364# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2365# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2366# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
2367
3967c732 2368#ifdef DEBUGGING
aea4f609
DM		 2369
2370# undef YYDEBUG
2371# define YYDEBUG 1
2372
bd16a5f0
IZ		 2373# define DEBUG_p_TEST DEBUG_p_TEST_
2374# define DEBUG_s_TEST DEBUG_s_TEST_
2375# define DEBUG_l_TEST DEBUG_l_TEST_
2376# define DEBUG_t_TEST DEBUG_t_TEST_
2377# define DEBUG_o_TEST DEBUG_o_TEST_
2378# define DEBUG_c_TEST DEBUG_c_TEST_
2379# define DEBUG_P_TEST DEBUG_P_TEST_
2380# define DEBUG_m_TEST DEBUG_m_TEST_
2381# define DEBUG_f_TEST DEBUG_f_TEST_
2382# define DEBUG_r_TEST DEBUG_r_TEST_
2383# define DEBUG_x_TEST DEBUG_x_TEST_
2384# define DEBUG_u_TEST DEBUG_u_TEST_
2385# define DEBUG_L_TEST DEBUG_L_TEST_
2386# define DEBUG_H_TEST DEBUG_H_TEST_
2387# define DEBUG_X_TEST DEBUG_X_TEST_
2388# define DEBUG_D_TEST DEBUG_D_TEST_
2389# define DEBUG_S_TEST DEBUG_S_TEST_
2390# define DEBUG_T_TEST DEBUG_T_TEST_
2391# define DEBUG_R_TEST DEBUG_R_TEST_
aea4f609
DM		 2392
2393# define DEB(a) a
2394# define DEBUG(a) if (PL_debug) a
2395# define DEBUG_p(a) if (DEBUG_p_TEST) a
2396# define DEBUG_s(a) if (DEBUG_s_TEST) a
2397# define DEBUG_l(a) if (DEBUG_l_TEST) a
2398# define DEBUG_t(a) if (DEBUG_t_TEST) a
2399# define DEBUG_o(a) if (DEBUG_o_TEST) a
2400# define DEBUG_c(a) if (DEBUG_c_TEST) a
2401# define DEBUG_P(a) if (DEBUG_P_TEST) a
2402
969058bb
VK		 2403 /* Temporarily turn off memory debugging in case the a
2404 * does memory allocation, either directly or indirectly. */
acfe0abc 2405# define DEBUG_m(a) \
0b250b9e 2406 STMT_START { \
aea4f609 2407 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2408 } STMT_END
aea4f609 2409
5f80b19c
AMS		 2410# define DEBUG__(t, a) \
2411 STMT_START { \
2412 if (t) STMT_START {a;} STMT_END; \
2413 } STMT_END
2414
2415# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2416# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2417# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2418# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2419# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2420# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2421# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2422# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2423
4d1ff10f 2424# ifdef USE_5005THREADS
5f80b19c 2425# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ		 2426# else
2427# define DEBUG_S(a)
2428# endif
aea4f609 2429
5f80b19c
AMS		 2430# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2431# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
aea4f609
DM		 2432
2433#else /* DEBUGGING */
2434
2435# define DEBUG_p_TEST (0)
2436# define DEBUG_s_TEST (0)
2437# define DEBUG_l_TEST (0)
2438# define DEBUG_t_TEST (0)
2439# define DEBUG_o_TEST (0)
2440# define DEBUG_c_TEST (0)
2441# define DEBUG_P_TEST (0)
2442# define DEBUG_m_TEST (0)
2443# define DEBUG_f_TEST (0)
2444# define DEBUG_r_TEST (0)
2445# define DEBUG_x_TEST (0)
2446# define DEBUG_u_TEST (0)
2447# define DEBUG_L_TEST (0)
2448# define DEBUG_H_TEST (0)
2449# define DEBUG_X_TEST (0)
2450# define DEBUG_D_TEST (0)
2451# define DEBUG_S_TEST (0)
2452# define DEBUG_T_TEST (0)
04932ac8 2453# define DEBUG_R_TEST (0)
aea4f609
DM		 2454
2455# define DEB(a)
2456# define DEBUG(a)
2457# define DEBUG_p(a)
2458# define DEBUG_s(a)
2459# define DEBUG_l(a)
2460# define DEBUG_t(a)
2461# define DEBUG_o(a)
2462# define DEBUG_c(a)
2463# define DEBUG_P(a)
2464# define DEBUG_m(a)
2465# define DEBUG_f(a)
2466# define DEBUG_r(a)
2467# define DEBUG_x(a)
2468# define DEBUG_u(a)
2469# define DEBUG_L(a)
2470# define DEBUG_H(a)
2471# define DEBUG_X(a)
2472# define DEBUG_D(a)
2473# define DEBUG_S(a)
2474# define DEBUG_T(a)
04932ac8 2475# define DEBUG_R(a)
aea4f609
DM		 2476#endif /* DEBUGGING */
2477
2478
d1be9408 2479/* These constants should be used in preference to raw characters
14befaf4
DM		 2480 * when using magic. Note that some perl guts still assume
2481 * certain character properties of these constants, namely that
2482 * isUPPER() and toLOWER() may do useful mappings.
2483 *
2484 * Update the magic_names table in dump.c when adding/amending these
2485 */
2486
2487#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2488#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2489#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2490#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2491#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2492#define PERL_MAGIC_regdata 'D' /* Regex match position data
2493 (@+ and @- vars) */
2494#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2495#define PERL_MAGIC_env 'E' /* %ENV hash */
2496#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2497#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2498#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2499#define PERL_MAGIC_isa 'I' /* @ISA array */
2500#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2501#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2502#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2503#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
2504#define PERL_MAGIC_mutex 'm' /* ??? */
2505#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2506#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2507#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2508#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2509#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2510#define PERL_MAGIC_sig 'S' /* %SIG hash */
2511#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2512#define PERL_MAGIC_taint 't' /* Taintedness */
2513#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
2514#define PERL_MAGIC_vec 'v' /* vec() lvalue */
2515#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2516#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2517 smart parameter vivification */
2518#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2519#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2520#define PERL_MAGIC_pos '.' /* pos() lvalue */
2521#define PERL_MAGIC_backref '<' /* ??? */
2522#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2523
2524
fe14fcc3 2525#define YYMAXDEPTH 300
8d063cd8 2526
a6e633de 2527#ifndef assert /* <assert.h> might have been included somehow */
79072805
LW		 2528#define assert(what) DEB( { \
2529 if (!(what)) { \
cea2e8a9 2530 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2531 __FILE__, __LINE__); \
cea2e8a9 2532 PerlProc_exit(1); \
79072805 2533 }})
a6e633de 2534#endif
8d063cd8 2535
450a55e4 2536struct ufuncs {
24f81a43
DM		 2537 I32 (*uf_val)(pTHX_ IV, SV*);
2538 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2539 IV uf_index;
450a55e4
LW		 2540};
2541
14befaf4 2542/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2543 * XS code wanting to be backward compatible can do something
2544 * like the following:
c745e42c 2545
24f81a43 2546#ifndef PERL_MG_UFUNC
24f81a43
DM		 2547#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2548#endif
2549
2550static PERL_MG_UFUNC(foo_get, index, val)
2551{
2552 sv_setsv(val, ...);
2553 return TRUE;
2554}
2555
2556-- Doug MacEachern
2557
2558*/
2559
fc9c74e6 2560#ifndef PERL_MG_UFUNC
24f81a43 2561#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2562#endif
24f81a43 2563
fe14fcc3 2564/* Fix these up for __STDC__ */
68dc0745 2565#ifndef DONT_DECLARE_STD
20ce7b12 2566char *mktemp (char*);
37bd1396 2567#ifndef atof
20ce7b12 2568double atof (const char*);
a0d0e21e 2569#endif
37bd1396 2570#endif
79072805 2571
352d5a3a 2572#ifndef STANDARD_C
fe14fcc3 2573/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2574Time_t time();
8d063cd8 2575struct tm *gmtime(), *localtime();
092bebab 2576#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2577char *(strchr)(), *(strrchr)();
2578char *(strcpy)(), *(strcat)();
2579#else
93a17b20 2580char *strchr(), *strrchr();
378cc40b 2581char *strcpy(), *strcat();
9d116dd7 2582#endif
352d5a3a 2583#endif /* ! STANDARD_C */
8d063cd8 2584
79072805
LW		 2585
2586#ifdef I_MATH
2587# include <math.h>
2588#else
32f822de 2589START_EXTERN_C
20ce7b12
GS		 2590 double exp (double);
2591 double log (double);
2592 double log10 (double);
2593 double sqrt (double);
2594 double frexp (double,int*);
2595 double ldexp (double,int);
2596 double modf (double,double*);
2597 double sin (double);
2598 double cos (double);
2599 double atan2 (double,double);
2600 double pow (double,double);
32f822de 2601END_EXTERN_C
79072805
LW		 2602#endif
2603
aa8b85de
JH		 2604#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2605# define NV_INF LDBL_INFINITY
2606#endif
2607#if !defined(NV_INF) && defined(DBL_INFINITY)
2608# define NV_INF (NV)DBL_INFINITY
2609#endif
2610#if !defined(NV_INF) && defined(INFINITY)
2611# define NV_INF (NV)INFINITY
2612#endif
2613#if !defined(NV_INF) && defined(INF)
2614# define NV_INF (NV)INF
2615#endif
2616#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2617# define NV_INF (NV)HUGE_VALL
2618#endif
2619#if !defined(NV_INF) && defined(HUGE_VAL)
2620# define NV_INF (NV)HUGE_VAL
2621#endif
2622
2623#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2624# if !defined(NV_NAN) && defined(LDBL_NAN)
2625# define NV_NAN LDBL_NAN
2626# endif
2627# if !defined(NV_NAN) && defined(LDBL_QNAN)
2628# define NV_NAN LDBL_QNAN
2629# endif
2630# if !defined(NV_NAN) && defined(LDBL_SNAN)
2631# define NV_NAN LDBL_SNAN
2632# endif
2633#endif
2634#if !defined(NV_NAN) && defined(DBL_NAN)
2635# define NV_NAN (NV)DBL_NAN
2636#endif
2637#if !defined(NV_NAN) && defined(DBL_QNAN)
2638# define NV_NAN (NV)DBL_QNAN
2639#endif
2640#if !defined(NV_NAN) && defined(DBL_SNAN)
2641# define NV_NAN (NV)DBL_SNAN
2642#endif
2643#if !defined(NV_NAN) && defined(QNAN)
2644# define NV_NAN (NV)QNAN
2645#endif
2646#if !defined(NV_NAN) && defined(SNAN)
2647# define NV_NAN (NV)SNAN
2648#endif
2649#if !defined(NV_NAN) && defined(NAN)
2650# define NV_NAN (NV)NAN
2651#endif
2652
a0d0e21e 2653#ifndef __cplusplus
8f1f23e8 2654# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2655char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2656# else
fd8cd3a3 2657# if !defined(WIN32) && !defined(VMS)
20ce7b12 2658char *crypt (const char*, const char*);
5014db98 2659# endif /* !WIN32 */
8f1f23e8 2660# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2661# ifndef DONT_DECLARE_STD
2662# ifndef getenv
20ce7b12 2663char *getenv (const char*);
26618a56 2664# endif /* !getenv */
28ca6303 2665# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2666# ifdef _FILE_OFFSET_BITS
28ca6303 2667# if _FILE_OFFSET_BITS == 64
20ce7b12 2668Off_t lseek (int,Off_t,int);
0fc67700
JH		 2669# endif
2670# endif
bf0c440f 2671# endif
26618a56 2672# endif /* !DONT_DECLARE_STD */
20ce7b12 2673char *getlogin (void);
26618a56 2674#endif /* !__cplusplus */
79072805 2675
16d20bd9 2676#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2677#define UNLINK unlnk
20ce7b12 2678I32 unlnk (char*);
8d063cd8 2679#else
80252599 2680#define UNLINK PerlLIO_unlink
8d063cd8 2681#endif
a687059c 2682
fa0a29af
JH		 2683/* some versions of glibc are missing the setresuid() proto */
2684#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2685int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2686#endif
fa0a29af
JH		 2687/* some versions of glibc are missing the setresgid() proto */
2688#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2689int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2690#endif
2691
fe14fcc3 2692#ifndef HAS_SETREUID
85e6fe83
LW		 2693# ifdef HAS_SETRESUID
2694# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2695# define HAS_SETREUID
2696# endif
a687059c 2697#endif
fe14fcc3 2698#ifndef HAS_SETREGID
85e6fe83
LW		 2699# ifdef HAS_SETRESGID
2700# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2701# define HAS_SETREGID
2702# endif
a687059c 2703#endif
ee0007ab 2704
d543acb6 2705/* Sighandler_t defined in iperlsys.h */
ff68c719 2706
2707#ifdef HAS_SIGACTION
2708typedef struct sigaction Sigsave_t;
2709#else
2710typedef Sighandler_t Sigsave_t;
2711#endif
2712
ee0007ab
LW		 2713#define SCAN_DEF 0
2714#define SCAN_TR 1
2715#define SCAN_REPL 2
79072805
LW		 2716
2717#ifdef DEBUGGING
4633a7c4 2718# ifndef register
a0d0e21e
LW		 2719# define register
2720# endif
2721# define PAD_SV(po) pad_sv(po)
cea2e8a9 2722# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2723#else
6b88bc9c 2724# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2725# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2726#endif
2727
18f739ee 2728#ifdef MYMALLOC
772fe5b3 2729# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2730# define MALLOC_INIT \
2731 STMT_START { \
2732 PL_malloc_mutex = NULL; \
2733 MUTEX_INIT(&PL_malloc_mutex); \
2734 } STMT_END
2735# define MALLOC_TERM \
2736 STMT_START { \
2737 perl_mutex tmp = PL_malloc_mutex; \
2738 PL_malloc_mutex = NULL; \
2739 MUTEX_DESTROY(&tmp); \
2740 } STMT_END
2741# else
2742# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2743# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2744# endif
18f739ee
IZ		 2745#else
2746# define MALLOC_INIT
2747# define MALLOC_TERM
2748#endif
2749
b6d9d515 2750
0cb96387
GS		 2751typedef int (CPERLscope(*runops_proc_t)) (pTHX);
2752typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2753
940cb80d 2754/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2755#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2756
8f1f23e8
W		 2757/* NeXT has problems with crt0.o globals */
2758#if defined(__DYNAMIC__) && \
2759 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2760# if defined(NeXT) || defined(__NeXT)
2761# include <mach-o/dyld.h>
2762# define environ (*environ_pointer)
0c30d9ec 2763EXT char *** environ_pointer;
8f1f23e8 2764# else
82cabb9e 2765# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W		 2766# include <crt_externs.h> /* for the env array */
2767# define environ (*_NSGetEnviron())
2768# endif
0c30d9ec 2769# endif
8f1f23e8
W		 2770#else
2771 /* VMS and some other platforms don't use the environ array */
13b6e58c 2772# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2773# if !defined(DONT_DECLARE_STD) || \
2774 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2775 defined(__sgi) || \
d460ef45 2776 defined(__DGUX)
8f1f23e8 2777extern char ** environ; /* environment variables supplied via exec */
a6c40364 2778# endif
8f1f23e8
W		 2779# endif
2780#endif
79072805 2781
73c4f7a1
GS		 2782START_EXTERN_C
2783
79072805 2784/* handy constants */
22c35a8c 2785EXTCONST char PL_warn_uninit[]
b89fed5f 2786 INIT("Use of uninitialized value%s%s");
22c35a8c 2787EXTCONST char PL_warn_nosemi[]
463ee0b2 2788 INIT("Semicolon seems to be missing");
22c35a8c 2789EXTCONST char PL_warn_reserved[]
463ee0b2 2790 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2791EXTCONST char PL_warn_nl[]
93a17b20 2792 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2793EXTCONST char PL_no_wrongref[]
a0d0e21e 2794 INIT("Can't use %s ref as %s ref");
22c35a8c 2795EXTCONST char PL_no_symref[]
748a9306 2796 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2797EXTCONST char PL_no_usym[]
8990e307 2798 INIT("Can't use an undefined value as %s reference");
22c35a8c 2799EXTCONST char PL_no_aelem[]
93a17b20 2800 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2801EXTCONST char PL_no_helem[]
93a17b20 2802 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2803EXTCONST char PL_no_modify[]
93a17b20 2804 INIT("Modification of a read-only value attempted");
22c35a8c 2805EXTCONST char PL_no_mem[]
93a17b20 2806 INIT("Out of memory!\n");
22c35a8c 2807EXTCONST char PL_no_security[]
463ee0b2 2808 INIT("Insecure dependency in %s%s");
22c35a8c 2809EXTCONST char PL_no_sock_func[]
93a17b20 2810 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2811EXTCONST char PL_no_dir_func[]
93a17b20 2812 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2813EXTCONST char PL_no_func[]
93a17b20 2814 INIT("The %s function is unimplemented");
22c35a8c 2815EXTCONST char PL_no_myglob[]
748a9306 2816 INIT("\"my\" variable %s can't be in a package");
93a17b20 2817
7575fa06 2818EXTCONST char PL_uuemap[65]
80252599
GS		 2819 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2820
2821
79072805 2822#ifdef DOINIT
22c35a8c
GS		 2823EXT char *PL_sig_name[] = { SIG_NAME };
2824EXT int PL_sig_num[] = { SIG_NUM };
79072805 2825#else
22c35a8c
GS		 2826EXT char *PL_sig_name[];
2827EXT int PL_sig_num[];
79072805
LW		 2828#endif
2829
3bd709b1 2830/* fast conversion and case folding tables */
bbce6d69 2831
79072805 2832#ifdef DOINIT
9d116dd7 2833#ifdef EBCDIC
22c35a8c 2834EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 2835 0, 1, 2, 3, 4, 5, 6, 7,
2836 8, 9, 10, 11, 12, 13, 14, 15,
2837 16, 17, 18, 19, 20, 21, 22, 23,
2838 24, 25, 26, 27, 28, 29, 30, 31,
2839 32, 33, 34, 35, 36, 37, 38, 39,
2840 40, 41, 42, 43, 44, 45, 46, 47,
2841 48, 49, 50, 51, 52, 53, 54, 55,
2842 56, 57, 58, 59, 60, 61, 62, 63,
2843 64, 65, 66, 67, 68, 69, 70, 71,
2844 72, 73, 74, 75, 76, 77, 78, 79,
2845 80, 81, 82, 83, 84, 85, 86, 87,
2846 88, 89, 90, 91, 92, 93, 94, 95,
2847 96, 97, 98, 99, 100, 101, 102, 103,
2848 104, 105, 106, 107, 108, 109, 110, 111,
2849 112, 113, 114, 115, 116, 117, 118, 119,
2850 120, 121, 122, 123, 124, 125, 126, 127,
2851 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2852 'H', 'I', 138, 139, 140, 141, 142, 143,
2853 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2854 'Q', 'R', 154, 155, 156, 157, 158, 159,
2855 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2856 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2857 176, 177, 178, 179, 180, 181, 182, 183,
2858 184, 185, 186, 187, 188, 189, 190, 191,
2859 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2860 'h', 'i', 202, 203, 204, 205, 206, 207,
2861 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2862 'q', 'r', 218, 219, 220, 221, 222, 223,
2863 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2864 'y', 'z', 234, 235, 236, 237, 238, 239,
2865 240, 241, 242, 243, 244, 245, 246, 247,
2866 248, 249, 250, 251, 252, 253, 254, 255
2867};
2868#else /* ascii rather than ebcdic */
22c35a8c 2869EXTCONST unsigned char PL_fold[] = {
79072805
LW		 2870 0, 1, 2, 3, 4, 5, 6, 7,
2871 8, 9, 10, 11, 12, 13, 14, 15,
2872 16, 17, 18, 19, 20, 21, 22, 23,
2873 24, 25, 26, 27, 28, 29, 30, 31,
2874 32, 33, 34, 35, 36, 37, 38, 39,
2875 40, 41, 42, 43, 44, 45, 46, 47,
2876 48, 49, 50, 51, 52, 53, 54, 55,
2877 56, 57, 58, 59, 60, 61, 62, 63,
2878 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2879 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2880 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2881 'x', 'y', 'z', 91, 92, 93, 94, 95,
2882 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2883 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2884 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2885 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2886 128, 129, 130, 131, 132, 133, 134, 135,
2887 136, 137, 138, 139, 140, 141, 142, 143,
2888 144, 145, 146, 147, 148, 149, 150, 151,
2889 152, 153, 154, 155, 156, 157, 158, 159,
2890 160, 161, 162, 163, 164, 165, 166, 167,
2891 168, 169, 170, 171, 172, 173, 174, 175,
2892 176, 177, 178, 179, 180, 181, 182, 183,
2893 184, 185, 186, 187, 188, 189, 190, 191,
2894 192, 193, 194, 195, 196, 197, 198, 199,
2895 200, 201, 202, 203, 204, 205, 206, 207,
2896 208, 209, 210, 211, 212, 213, 214, 215,
2897 216, 217, 218, 219, 220, 221, 222, 223,
2898 224, 225, 226, 227, 228, 229, 230, 231,
2899 232, 233, 234, 235, 236, 237, 238, 239,
2900 240, 241, 242, 243, 244, 245, 246, 247,
2901 248, 249, 250, 251, 252, 253, 254, 255
2902};
9d116dd7 2903#endif /* !EBCDIC */
79072805 2904#else
22c35a8c 2905EXTCONST unsigned char PL_fold[];
79072805
LW		 2906#endif
2907
2908#ifdef DOINIT
22c35a8c 2909EXT unsigned char PL_fold_locale[] = {
79072805
LW		 2910 0, 1, 2, 3, 4, 5, 6, 7,
2911 8, 9, 10, 11, 12, 13, 14, 15,
2912 16, 17, 18, 19, 20, 21, 22, 23,
2913 24, 25, 26, 27, 28, 29, 30, 31,
2914 32, 33, 34, 35, 36, 37, 38, 39,
2915 40, 41, 42, 43, 44, 45, 46, 47,
2916 48, 49, 50, 51, 52, 53, 54, 55,
2917 56, 57, 58, 59, 60, 61, 62, 63,
2918 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2919 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2920 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2921 'x', 'y', 'z', 91, 92, 93, 94, 95,
2922 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2923 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2924 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2925 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2926 128, 129, 130, 131, 132, 133, 134, 135,
2927 136, 137, 138, 139, 140, 141, 142, 143,
2928 144, 145, 146, 147, 148, 149, 150, 151,
2929 152, 153, 154, 155, 156, 157, 158, 159,
2930 160, 161, 162, 163, 164, 165, 166, 167,
2931 168, 169, 170, 171, 172, 173, 174, 175,
2932 176, 177, 178, 179, 180, 181, 182, 183,
2933 184, 185, 186, 187, 188, 189, 190, 191,
2934 192, 193, 194, 195, 196, 197, 198, 199,
2935 200, 201, 202, 203, 204, 205, 206, 207,
2936 208, 209, 210, 211, 212, 213, 214, 215,
2937 216, 217, 218, 219, 220, 221, 222, 223,
2938 224, 225, 226, 227, 228, 229, 230, 231,
2939 232, 233, 234, 235, 236, 237, 238, 239,
2940 240, 241, 242, 243, 244, 245, 246, 247,
2941 248, 249, 250, 251, 252, 253, 254, 255
2942};
2943#else
22c35a8c 2944EXT unsigned char PL_fold_locale[];
79072805
LW		 2945#endif
2946
2947#ifdef DOINIT
9d116dd7 2948#ifdef EBCDIC
22c35a8c 2949EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 2950 1, 2, 84, 151, 154, 155, 156, 157,
2951 165, 246, 250, 3, 158, 7, 18, 29,
2952 40, 51, 62, 73, 85, 96, 107, 118,
2953 129, 140, 147, 148, 149, 150, 152, 153,
2954 255, 6, 8, 9, 10, 11, 12, 13,
2955 14, 15, 24, 25, 26, 27, 28, 226,
2956 29, 30, 31, 32, 33, 43, 44, 45,
2957 46, 47, 48, 49, 50, 76, 77, 78,
2958 79, 80, 81, 82, 83, 84, 85, 86,
2959 87, 94, 95, 234, 181, 233, 187, 190,
2960 180, 96, 97, 98, 99, 100, 101, 102,
2961 104, 112, 182, 174, 236, 232, 229, 103,
2962 228, 226, 114, 115, 116, 117, 118, 119,
2963 120, 121, 122, 235, 176, 230, 194, 162,
2964 130, 131, 132, 133, 134, 135, 136, 137,
2965 138, 139, 201, 205, 163, 217, 220, 224,
2966 5, 248, 227, 244, 242, 255, 241, 231,
2967 240, 253, 16, 197, 19, 20, 21, 187,
2968 23, 169, 210, 245, 237, 249, 247, 239,
2969 168, 252, 34, 196, 36, 37, 38, 39,
2970 41, 42, 251, 254, 238, 223, 221, 213,
2971 225, 177, 52, 53, 54, 55, 56, 57,
2972 58, 59, 60, 61, 63, 64, 65, 66,
2973 67, 68, 69, 70, 71, 72, 74, 75,
2974 205, 208, 186, 202, 200, 218, 198, 179,
2975 178, 214, 88, 89, 90, 91, 92, 93,
2976 217, 166, 170, 207, 199, 209, 206, 204,
2977 160, 212, 105, 106, 108, 109, 110, 111,
2978 203, 113, 216, 215, 192, 175, 193, 243,
2979 172, 161, 123, 124, 125, 126, 127, 128,
2980 222, 219, 211, 195, 188, 193, 185, 184,
2981 191, 183, 141, 142, 143, 144, 145, 146
2982};
2983#else /* ascii rather than ebcdic */
22c35a8c 2984EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 2985 1, 2, 84, 151, 154, 155, 156, 157,
2986 165, 246, 250, 3, 158, 7, 18, 29,
2987 40, 51, 62, 73, 85, 96, 107, 118,
2988 129, 140, 147, 148, 149, 150, 152, 153,
2989 255, 182, 224, 205, 174, 176, 180, 217,
2990 233, 232, 236, 187, 235, 228, 234, 226,
2991 222, 219, 211, 195, 188, 193, 185, 184,
2992 191, 183, 201, 229, 181, 220, 194, 162,
2993 163, 208, 186, 202, 200, 218, 198, 179,
2994 178, 214, 166, 170, 207, 199, 209, 206,
2995 204, 160, 212, 216, 215, 192, 175, 173,
2996 243, 172, 161, 190, 203, 189, 164, 230,
2997 167, 248, 227, 244, 242, 255, 241, 231,
2998 240, 253, 169, 210, 245, 237, 249, 247,
2999 239, 168, 252, 251, 254, 238, 223, 221,
3000 213, 225, 177, 197, 171, 196, 159, 4,
3001 5, 6, 8, 9, 10, 11, 12, 13,
3002 14, 15, 16, 17, 19, 20, 21, 22,
3003 23, 24, 25, 26, 27, 28, 30, 31,
3004 32, 33, 34, 35, 36, 37, 38, 39,
3005 41, 42, 43, 44, 45, 46, 47, 48,
3006 49, 50, 52, 53, 54, 55, 56, 57,
3007 58, 59, 60, 61, 63, 64, 65, 66,
3008 67, 68, 69, 70, 71, 72, 74, 75,
3009 76, 77, 78, 79, 80, 81, 82, 83,
3010 86, 87, 88, 89, 90, 91, 92, 93,
3011 94, 95, 97, 98, 99, 100, 101, 102,
3012 103, 104, 105, 106, 108, 109, 110, 111,
3013 112, 113, 114, 115, 116, 117, 119, 120,
3014 121, 122, 123, 124, 125, 126, 127, 128,
3015 130, 131, 132, 133, 134, 135, 136, 137,
3016 138, 139, 141, 142, 143, 144, 145, 146
3017};
9d116dd7 3018#endif
79072805 3019#else
22c35a8c 3020EXTCONST unsigned char PL_freq[];
79072805
LW		 3021#endif
3022
8990e307
LW		 3023#ifdef DEBUGGING
3024#ifdef DOINIT
22c35a8c 3025EXTCONST char* PL_block_type[] = {
8990e307
LW		 3026 "NULL",
3027 "SUB",
3028 "EVAL",
3029 "LOOP",
3030 "SUBST",
3031 "BLOCK",
3032};
3033#else
22c35a8c 3034EXTCONST char* PL_block_type[];
8990e307
LW		 3035#endif
3036#endif
3037
73c4f7a1
GS		 3038END_EXTERN_C
3039
79072805
LW		 3040/*****************************************************************************/
3041/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3042/*****************************************************************************/
8990e307 3043/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3044
a0d0e21e
LW		 3045#include "perly.h"
3046
fb73857a 3047#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3048
79072805
LW		 3049typedef enum {
3050 XOPERATOR,
3051 XTERM,
79072805 3052 XREF,
8990e307 3053 XSTATE,
a0d0e21e 3054 XBLOCK,
09bef843
SB		 3055 XATTRBLOCK,
3056 XATTRTERM,
a0d0e21e 3057 XTERMBLOCK
79072805
LW		 3058} expectation;
3059
dc9e4912
GS		 3060enum { /* pass one of these to get_vtbl */
3061 want_vtbl_sv,
3062 want_vtbl_env,
3063 want_vtbl_envelem,
3064 want_vtbl_sig,
3065 want_vtbl_sigelem,
3066 want_vtbl_pack,
3067 want_vtbl_packelem,
3068 want_vtbl_dbline,
3069 want_vtbl_isa,
3070 want_vtbl_isaelem,
3071 want_vtbl_arylen,
3072 want_vtbl_glob,
3073 want_vtbl_mglob,
3074 want_vtbl_nkeys,
3075 want_vtbl_taint,
3076 want_vtbl_substr,
3077 want_vtbl_vec,
3078 want_vtbl_pos,
3079 want_vtbl_bm,
3080 want_vtbl_fm,
3081 want_vtbl_uvar,
3082 want_vtbl_defelem,
3083 want_vtbl_regexp,
3084 want_vtbl_collxfrm,
3085 want_vtbl_amagic,
3086 want_vtbl_amagicelem,
4d1ff10f 3087#ifdef USE_5005THREADS
dc9e4912
GS		 3088 want_vtbl_mutex,
3089#endif
3090 want_vtbl_regdata,
810b8aa5
GS		 3091 want_vtbl_regdatum,
3092 want_vtbl_backref
dc9e4912
GS		 3093};
3094
85e6fe83
LW		 3095 /* Note: the lowest 8 bits are reserved for
3096 stuffing into op->op_private */
f3aa04c2 3097#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW		 3098#define HINT_INTEGER 0x00000001
3099#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH		 3100#define HINT_LOCALE 0x00000004
3101#define HINT_BYTES 0x00000008
393fec97 3102/* #define HINT_notused10 0x00000010 */
a0ed51b3 3103 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW		 3104
3105#define HINT_BLOCK_SCOPE 0x00000100
3106#define HINT_STRICT_SUBS 0x00000200
3107#define HINT_STRICT_VARS 0x00000400
3108
b3ac6de7
IZ		 3109#define HINT_NEW_INTEGER 0x00001000
3110#define HINT_NEW_FLOAT 0x00002000
3111#define HINT_NEW_BINARY 0x00004000
3112#define HINT_NEW_STRING 0x00008000
3113#define HINT_NEW_RE 0x00010000
3114#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3115
b3eb6a9b 3116#define HINT_RE_TAINT 0x00100000
e4d48cc9 3117#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3118
5ff3f7a4 3119#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3120#define HINT_UTF8 0x00800000
5ff3f7a4 3121
84d4ea48
JH		 3122#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3123#define HINT_SORT_QUICKSORT 0x00000001
3124#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3125#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3126
8bfdd7d9 3127/* Various states of the input record separator SV (rs) */
d4cce5f1 3128#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3129#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3130#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3131#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3132
128e8167 3133/* A struct for keeping various DEBUGGING related stuff,
ce333219 3134 * neatly packed. Currently only scratch variables for
128e8167
JH		 3135 * constructing debug output are included. Needed always,
3136 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3137struct perl_debug_pad {
3138 SV pad[3];
3139};
3140
3141#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
3142#define PERL_DEBUG_PAD_ZERO(i) (sv_setpvn(PERL_DEBUG_PAD(i), "", 0), PERL_DEBUG_PAD(i))
ce333219 3143
56953603 3144/* Enable variables which are pointers to functions */
a2efc822 3145typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3146typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3147typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3148 char* strend, char* strbeg, I32 minend,
3149 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3150typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3151 char *strpos, char *strend,
3152 U32 flags,
3153 struct re_scream_pos_data_s *d);
3154typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3155typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3156
c76ac1ee 3157typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3158typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3159typedef void (*SVFUNC_t) (pTHX_ SV*);
3160typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3161typedef void (*XSINIT_t) (pTHX);
3162typedef void (*ATEXIT_t) (pTHX_ void*);
3163typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3164
22239a37
NIS		 3165/* Set up PERLVAR macros for populating structs */
3166#define PERLVAR(var,type) type var;
51371543 3167#define PERLVARA(var,n,type) type var[n];
22239a37 3168#define PERLVARI(var,type,init) type var;
3fe35a81 3169#define PERLVARIC(var,type,init) type var;
22239a37 3170
58a50f62
GS		 3171/* Interpreter exitlist entry */
3172typedef struct exitlistentry {
acfe0abc 3173 void (*fn) (pTHX_ void*);
58a50f62
GS		 3174 void *ptr;
3175} PerlExitListEntry;
3176
22239a37
NIS		 3177#ifdef PERL_GLOBAL_STRUCT
3178struct perl_vars {
7766f137 3179# include "perlvars.h"
22239a37
NIS		 3180};
3181
7766f137 3182# ifdef PERL_CORE
533c011a
NIS		 3183EXT struct perl_vars PL_Vars;
3184EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3185# else /* PERL_CORE */
3186# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3187EXT
7766f137 3188# endif /* WIN32 */
533c011a 3189struct perl_vars *PL_VarsPtr;
7766f137
GS		 3190# define PL_Vars (*((PL_VarsPtr) \
3191 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3192# endif /* PERL_CORE */
22239a37
NIS		 3193#endif /* PERL_GLOBAL_STRUCT */
3194
acfe0abc 3195#if defined(MULTIPLICITY)
d460ef45 3196/* If we have multiple interpreters define a struct
d4cce5f1 3197 holding variables which must be per-interpreter
d460ef45 3198 If we don't have threads anything that would have
d4cce5f1
NIS		 3199 be per-thread is per-interpreter.
3200*/
3201
79072805 3202struct interpreter {
4d1ff10f 3203# ifndef USE_5005THREADS
7766f137
GS		 3204# include "thrdvar.h"
3205# endif
3206# include "intrpvar.h"
3207/*
3208 * The following is a buffer where new variables must
acfe0abc 3209 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3210 */
3211PERLVARA(object_compatibility,30, char)
49f531da 3212};
d4cce5f1 3213
79072805 3214#else
49f531da
NIS		 3215struct interpreter {
3216 char broiled;
3217};
acfe0abc 3218#endif /* MULTIPLICITY */
79072805 3219
4d1ff10f 3220#ifdef USE_5005THREADS
d4cce5f1
NIS		 3221/* If we have threads define a struct with all the variables
3222 * that have to be per-thread
49f531da 3223 */
8023c3ce 3224
79072805 3225
49f531da 3226struct perl_thread {
49f531da 3227#include "thrdvar.h"
79072805 3228};
d4cce5f1 3229
22fae026
TM		 3230typedef struct perl_thread *Thread;
3231
3232#else
3233typedef void *Thread;
22239a37
NIS		 3234#endif
3235
3236/* Done with PERLVAR macros for now ... */
d4cce5f1 3237#undef PERLVAR
51371543 3238#undef PERLVARA
d4cce5f1 3239#undef PERLVARI
3fe35a81 3240#undef PERLVARIC
79072805 3241
22239a37 3242#include "thread.h"
79072805 3243#include "pp.h"
864dbfa3
GS		 3244
3245#ifndef PERL_CALLCONV
3246# define PERL_CALLCONV
d460ef45 3247#endif
864dbfa3 3248
65f19062
GS		 3249#ifndef NEXT30_NO_ATTRIBUTE
3250# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3251# ifdef __attribute__ /* Avoid possible redefinition errors */
3252# undef __attribute__
3253# endif
3254# define __attribute__(attr)
3255# endif
3256#endif
3257
0cb96387
GS		 3258#undef PERL_CKDEF
3259#undef PERL_PPDEF
3260#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3261#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3262
7766f137 3263#include "proto.h"
864dbfa3 3264
0cb96387 3265/* this has structure inits, so it cannot be included before here */
acfe0abc 3266#include "opcode.h"
864dbfa3 3267
d4cce5f1
NIS		 3268/* The following must follow proto.h as #defines mess up syntax */
3269
22c35a8c
GS		 3270#if !defined(PERL_FOR_X2P)
3271# include "embedvar.h"
3272#endif
d4cce5f1 3273
d460ef45 3274/* Now include all the 'global' variables
d4cce5f1 3275 * If we don't have threads or multiple interpreters
d460ef45 3276 * these include variables that would have been their struct-s
d4cce5f1 3277 */
d460ef45 3278
533c011a 3279#define PERLVAR(var,type) EXT type PL_##var;
51371543 3280#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3281#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3282#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3283
acfe0abc 3284#if !defined(MULTIPLICITY)
7766f137 3285START_EXTERN_C
066ef5b5 3286# include "intrpvar.h"
4d1ff10f 3287# ifndef USE_5005THREADS
066ef5b5
GS		 3288# include "thrdvar.h"
3289# endif
7766f137 3290END_EXTERN_C
22239a37
NIS		 3291#endif
3292
acfe0abc 3293#if defined(WIN32)
66a93824 3294/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3295# include "embed.h"
acfe0abc 3296#endif
22239a37 3297
c5be433b
GS		 3298#ifndef PERL_GLOBAL_STRUCT
3299START_EXTERN_C
3300
3301# include "perlvars.h"
3302
3303END_EXTERN_C
3304#endif
3305
d4cce5f1 3306#undef PERLVAR
51371543 3307#undef PERLVARA
d4cce5f1 3308#undef PERLVARI
0f3f18a6 3309#undef PERLVARIC
79072805 3310
73c4f7a1
GS		 3311START_EXTERN_C
3312
79072805 3313#ifdef DOINIT
bbce6d69 3314
2b260de0
GS		 3315EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
3316 MEMBER_TO_FPTR(Perl_magic_set),
3317 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3318 0, 0};
2b260de0
GS		 3319EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3320 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3321 0};
2b260de0
GS		 3322EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3323 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3324 0};
22c35a8c 3325EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3326#ifdef PERL_MICRO
3327EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3328#else
2b260de0
GS		 3329EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3330 MEMBER_TO_FPTR(Perl_magic_setsig),
3331 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3332 0};
64ca3a65 3333#endif
2b260de0 3334EXT MGVTBL PL_vtbl_pack = {0, 0, MEMBER_TO_FPTR(Perl_magic_sizepack), MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3335 0};
2b260de0
GS		 3336EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
3337 MEMBER_TO_FPTR(Perl_magic_setpack),
3338 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3339 0};
2b260de0 3340EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3341 0, 0, 0};
2b260de0
GS		 3342EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3343 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3344 0};
2b260de0 3345EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3346 0, 0, 0};
2b260de0
GS		 3347EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3348 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3349 0, 0, 0};
2b260de0
GS		 3350EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3351 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3352 0, 0, 0};
2b260de0 3353EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3354 0, 0, 0};
2b260de0
GS		 3355EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3356 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3357 0, 0, 0};
2b260de0 3358EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3359 0, 0, 0};
2b260de0 3360EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr), MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3361 0, 0, 0};
2b260de0
GS		 3362EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
3363 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3364 0, 0, 0};
2b260de0
GS		 3365EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3366 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3367 0, 0, 0};
2b260de0 3368EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3369 0, 0, 0};
2b260de0 3370EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3371 0, 0, 0};
2b260de0
GS		 3372EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3373 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3374 0, 0, 0};
4d1ff10f 3375#ifdef USE_5005THREADS
2b260de0 3376EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0, MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3377#endif /* USE_5005THREADS */
2b260de0 3378EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3379 0, 0, 0};
a0d0e21e 3380
2b260de0
GS		 3381EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3382EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3383EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3384 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3385
36477c24 3386#ifdef USE_LOCALE_COLLATE
22c35a8c 3387EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3388 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3389 0, 0, 0};
3390#endif
a0d0e21e 3391
2b260de0
GS		 3392EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3393 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3394EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3395 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3396
810b8aa5 3397EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3398 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3399
d460ef45
NIS		 3400EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3401 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3402
bbce6d69 3403#else /* !DOINIT */
3404
22c35a8c
GS		 3405EXT MGVTBL PL_vtbl_sv;
3406EXT MGVTBL PL_vtbl_env;
3407EXT MGVTBL PL_vtbl_envelem;
3408EXT MGVTBL PL_vtbl_sig;
3409EXT MGVTBL PL_vtbl_sigelem;
3410EXT MGVTBL PL_vtbl_pack;
3411EXT MGVTBL PL_vtbl_packelem;
3412EXT MGVTBL PL_vtbl_dbline;
3413EXT MGVTBL PL_vtbl_isa;
3414EXT MGVTBL PL_vtbl_isaelem;
3415EXT MGVTBL PL_vtbl_arylen;
3416EXT MGVTBL PL_vtbl_glob;
3417EXT MGVTBL PL_vtbl_mglob;
3418EXT MGVTBL PL_vtbl_nkeys;
3419EXT MGVTBL PL_vtbl_taint;
3420EXT MGVTBL PL_vtbl_substr;
3421EXT MGVTBL PL_vtbl_vec;
3422EXT MGVTBL PL_vtbl_pos;
3423EXT MGVTBL PL_vtbl_bm;
3424EXT MGVTBL PL_vtbl_fm;
3425EXT MGVTBL PL_vtbl_uvar;
d460ef45 3426EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3427
4d1ff10f 3428#ifdef USE_5005THREADS
22c35a8c 3429EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3430#endif /* USE_5005THREADS */
f93b4edd 3431
22c35a8c
GS		 3432EXT MGVTBL PL_vtbl_defelem;
3433EXT MGVTBL PL_vtbl_regexp;
3434EXT MGVTBL PL_vtbl_regdata;
3435EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3436
36477c24 3437#ifdef USE_LOCALE_COLLATE
22c35a8c 3438EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3439#endif
a0d0e21e 3440
22c35a8c
GS		 3441EXT MGVTBL PL_vtbl_amagic;
3442EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3443
810b8aa5
GS		 3444EXT MGVTBL PL_vtbl_backref;
3445
bbce6d69 3446#endif /* !DOINIT */
85e6fe83 3447
f5284f61
IZ		 3448enum {
3449 fallback_amg, abs_amg,
3450 bool__amg, nomethod_amg,
3451 string_amg, numer_amg,
3452 add_amg, add_ass_amg,
3453 subtr_amg, subtr_ass_amg,
3454 mult_amg, mult_ass_amg,
3455 div_amg, div_ass_amg,
3456 modulo_amg, modulo_ass_amg,
3457 pow_amg, pow_ass_amg,
3458 lshift_amg, lshift_ass_amg,
3459 rshift_amg, rshift_ass_amg,
3460 band_amg, band_ass_amg,
3461 bor_amg, bor_ass_amg,
3462 bxor_amg, bxor_ass_amg,
3463 lt_amg, le_amg,
3464 gt_amg, ge_amg,
3465 eq_amg, ne_amg,
3466 ncmp_amg, scmp_amg,
3467 slt_amg, sle_amg,
3468 sgt_amg, sge_amg,
3469 seq_amg, sne_amg,
3470 not_amg, compl_amg,
3471 inc_amg, dec_amg,
3472 atan2_amg, cos_amg,
3473 sin_amg, exp_amg,
3474 log_amg, sqrt_amg,
3475 repeat_amg, repeat_ass_amg,
3476 concat_amg, concat_ass_amg,
3477 copy_amg, neg_amg,
3478 to_sv_amg, to_av_amg,
3479 to_hv_amg, to_gv_amg,
d460ef45 3480 to_cv_amg, iter_amg,
f216259d
IZ		 3481 int_amg, DESTROY_amg,
3482 max_amg_code
64a0062a 3483 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3484};
3485
3486#define NofAMmeth max_amg_code
89ffc314 3487#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3488
a0d0e21e 3489#ifdef DOINIT
22c35a8c 3490EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3491 /* Names kept in the symbol table. fallback => "()", the rest has
3492 "(" prepended. The only other place in perl which knows about
3493 this convention is AMG_id2name (used for debugging output and
3494 'nomethod' only), the only other place which has it hardwired is
3495 overload.pm. */
3496 "()", "(abs", /* "fallback" should be the first. */
3497 "(bool", "(nomethod",
3498 "(\"\"", "(0+",
3499 "(+", "(+=",
3500 "(-", "(-=",
3501 "(*", "(*=",
3502 "(/", "(/=",
3503 "(%", "(%=",
3504 "(**", "(**=",
3505 "(<<", "(<<=",
3506 "(>>", "(>>=",
3507 "(&", "(&=",
3508 "(|", "(|=",
3509 "(^", "(^=",
3510 "(<", "(<=",
3511 "(>", "(>=",
3512 "(==", "(!=",
3513 "(<=>", "(cmp",
3514 "(lt", "(le",
3515 "(gt", "(ge",
3516 "(eq", "(ne",
3517 "(!", "(~",
3518 "(++", "(--",
3519 "(atan2", "(cos",
3520 "(sin", "(exp",
3521 "(log", "(sqrt",
3522 "(x", "(x=",
3523 "(.", "(.=",
3524 "(=", "(neg",
3525 "(${}", "(@{}",
3526 "(%{}", "(*{}",
3527 "(&{}", "(<>",
f216259d 3528 "(int", "DESTROY",
a0d0e21e
LW		 3529};
3530#else
22c35a8c 3531EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3532#endif /* def INITAMAGIC */
3533
73c4f7a1
GS		 3534END_EXTERN_C
3535
a6006777 3536struct am_table {
a0d0e21e
LW		 3537 long was_ok_sub;
3538 long was_ok_am;
a6006777 3539 U32 flags;
3540 CV* table[NofAMmeth];
a0d0e21e
LW		 3541 long fallback;
3542};
a6006777 3543struct am_table_short {
3544 long was_ok_sub;
3545 long was_ok_am;
3546 U32 flags;
3547};
a0d0e21e 3548typedef struct am_table AMT;
a6006777 3549typedef struct am_table_short AMTS;
a0d0e21e
LW		 3550
3551#define AMGfallNEVER 1
3552#define AMGfallNO 2
3553#define AMGfallYES 3
3554
a6006777 3555#define AMTf_AMAGIC 1
32251b26 3556#define AMTf_OVERLOADED 2
a6006777 3557#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3558#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3559#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3560#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3561#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3562#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3563
32251b26 3564#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3565
3566/*
3567 * some compilers like to redefine cos et alia as faster
3568 * (and less accurate?) versions called F_cos et cetera (Quidquid
3569 * latine dictum sit, altum viditur.) This trick collides with
3570 * the Perl overloading (amg). The following #defines fool both.
3571 */
3572
3573#ifdef _FASTMATH
3574# ifdef atan2
3575# define F_atan2_amg atan2_amg
3576# endif
3577# ifdef cos
3578# define F_cos_amg cos_amg
3579# endif
3580# ifdef exp
3581# define F_exp_amg exp_amg
3582# endif
3583# ifdef log
3584# define F_log_amg log_amg
3585# endif
3586# ifdef pow
3587# define F_pow_amg pow_amg
3588# endif
3589# ifdef sin
3590# define F_sin_amg sin_amg
3591# endif
3592# ifdef sqrt
3593# define F_sqrt_amg sqrt_amg
3594# endif
3595#endif /* _FASTMATH */
3596
83ee9e09
GS		 3597#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3598 PERLDBf_NOOPT | PERLDBf_INTER | \
3599 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3600 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3601 /* No _NONAME, _GOTO */
3602#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3603#define PERLDBf_LINE 0x02 /* Keep line # */
3604#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3605#define PERLDBf_INTER 0x08 /* Preserve more data for
3606 later inspections */
3607#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3608#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3609#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3610#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3611#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3612#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3613
3280af22
NIS		 3614#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3615#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3616#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3617#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3618#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3619#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3620#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3621#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3622#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3623#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3624
bbce6d69 3625
36477c24 3626#ifdef USE_LOCALE_NUMERIC
bbce6d69 3627
36477c24 3628#define SET_NUMERIC_STANDARD() \
ff4fed7c 3629 set_numeric_standard();
36477c24 3630
3631#define SET_NUMERIC_LOCAL() \
ff4fed7c 3632 set_numeric_local();
bbce6d69 3633
2de3dbcc
JH		 3634#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3635#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3636
3637#define IN_LOCALE \
3638 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3639
f93f4e46 3640#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3641 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3642 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3643
3644#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3645 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3646 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3647
3648#define RESTORE_NUMERIC_LOCAL() \
3649 if (was_local) SET_NUMERIC_LOCAL();
3650
3651#define RESTORE_NUMERIC_STANDARD() \
3652 if (was_standard) SET_NUMERIC_STANDARD();
3653
5b877257 3654#define Atof my_atof
097ee67d 3655
36477c24 3656#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3657
097ee67d
JH		 3658#define SET_NUMERIC_STANDARD() /**/
3659#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3660#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3661#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3662#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3663#define RESTORE_NUMERIC_LOCAL() /**/
3664#define RESTORE_NUMERIC_STANDARD() /**/
65202027 3665#define Atof Perl_atof
ad3e0f90 3666#define IN_LOCALE_RUNTIME 0
bbce6d69 3667
36477c24 3668#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3669
079290de 3670#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3671# ifdef __hpux
3672# define strtoll __strtoll /* secret handshake */
3673# endif
079290de
GS		 3674# if !defined(Strtol) && defined(HAS_STRTOLL)
3675# define Strtol strtoll
ad551343 3676# endif
28e5dec8
JH		 3677# if !defined(Strtol) && defined(HAS_STRTOQ)
3678# define Strtol strtoq
3679# endif
ff935051 3680/* is there atoq() anywhere? */
15b99d39 3681#endif
079290de
GS		 3682#if !defined(Strtol) && defined(HAS_STRTOL)
3683# define Strtol strtol
3684#endif
3685#ifndef Atol
3686/* It would be more fashionable to use Strtol() to define atol()
3687 * (as is done for Atoul(), see below) but for backward compatibility
3688 * we just assume atol(). */
76b882ba
JH		 3689# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
3690# define Atol atoll
3691# else
3692# define Atol atol
3693# endif
cf2093f6
JH		 3694#endif
3695
55eb892c 3696#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3697# ifdef __hpux
3698# define strtoull __strtoull /* secret handshake */
3699# endif
ad551343 3700# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3701# define Strtoul strtoull
15b99d39 3702# endif
079290de
GS		 3703# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3704# define Strtoul strtouq
3705# endif
76d49b1c 3706/* is there atouq() anywhere? */
ad551343 3707#endif
079290de
GS		 3708#if !defined(Strtoul) && defined(HAS_STRTOUL)
3709# define Strtoul strtoul
cf2093f6 3710#endif
079290de
GS		 3711#ifndef Atoul
3712# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3713#endif
cf2093f6 3714
e5c9fcd0 3715#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
d460ef45
NIS		 3716/*
3717 * Now we have __attribute__ out of the way
3718 * Remap printf
760ac839 3719 */
39455587 3720#undef printf
c745e42c
NIS		 3721#ifdef __GNUC__
3722#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3723#else
760ac839
LW		 3724#define printf PerlIO_stdoutf
3725#endif
c745e42c 3726#endif
760ac839 3727
06d86050
GS		 3728/* if these never got defined, they need defaults */
3729#ifndef PERL_SET_CONTEXT
3730# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3731#endif
3732
3733#ifndef PERL_GET_CONTEXT
3734# define PERL_GET_CONTEXT PERL_GET_INTERP
3735#endif
3736
3737#ifndef PERL_GET_THX
3738# define PERL_GET_THX ((void*)NULL)
3739#endif
3740
3741#ifndef PERL_SET_THX
3742# define PERL_SET_THX(t) NOOP
3743#endif
3744
a868473f
NIS		 3745#ifndef PERL_SCRIPT_MODE
3746#define PERL_SCRIPT_MODE "r"
3747#endif
3748
fba3b22e 3749/*
da927450
JH		 3750 * Some operating systems are stingy with stack allocation,
3751 * so perl may have to guard against stack overflow.
3752 */
3753#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3754#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3755#endif
3756
3757/*
3758 * Some nonpreemptive operating systems find it convenient to
3759 * check for asynchronous conditions after each op execution.
3760 * Keep this check simple, or it may slow down execution
3761 * massively.
3762 */
ce08f86c 3763
1d615522
JH		 3764#ifndef PERL_MICRO
3765# ifndef PERL_OLD_SIGNALS
2986a63f
JH		 3766# ifndef PERL_ASYNC_CHECK
3767# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3768# endif
1d615522 3769# endif