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Unlean the leaning tower of Babel.
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
bc89e66f 3 * Copyright (c) 1987-2001, Larry Wall
a687059c 4 *
352d5a3a
LW		 5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
8d063cd8 7 *
8d063cd8 8 */
85e6fe83
LW		 9#ifndef H_PERL
10#define H_PERL 1
8d063cd8 11
760ac839
LW		 12#ifdef PERL_FOR_X2P
13/*
d460ef45 14 * This file is being used for x2p stuff.
760ac839 15 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 16 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 17 */
55497cff 18#undef MULTIPLICITY
760ac839
LW		 19#undef USE_STDIO
20#define USE_STDIO
21#endif /* PERL_FOR_X2P */
22
0cb96387 23#define VOIDUSED 1
d460ef45 24#ifdef PERL_MICRO
12ae5dfc
JH		 25# include "uconfig.h"
26#else
27# include "config.h"
28#endif
0cb96387 29
aaacdc8b
GS		 30#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
31# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
32#endif
33
34/* XXX This next guard can disappear if the sources are revised
35 to use USE_5005THREADS throughout. -- A.D 1/6/2000
36*/
4d1ff10f
AB		 37#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
38# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
aaacdc8b
GS		 39#endif
40
2c2d71f5
JH		 41/* See L<perlguts/"The Perl API"> for detailed notes on
42 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
43
6f4183fe 44#ifdef USE_ITHREADS
acfe0abc 45# if !defined(MULTIPLICITY)
6f4183fe
GS		 46# define MULTIPLICITY
47# endif
48#endif
49
4d1ff10f 50#ifdef USE_5005THREADS
c5be433b
GS		 51# ifndef PERL_IMPLICIT_CONTEXT
52# define PERL_IMPLICIT_CONTEXT
53# endif
c5be433b
GS		 54#endif
55
c5be433b
GS		 56#if defined(MULTIPLICITY)
57# ifndef PERL_IMPLICIT_CONTEXT
58# define PERL_IMPLICIT_CONTEXT
59# endif
c5be433b
GS		 60#endif
61
c5be433b 62#ifdef PERL_IMPLICIT_CONTEXT
4d1ff10f 63# ifdef USE_5005THREADS
c5be433b 64struct perl_thread;
24e8e624 65# define pTHX register struct perl_thread *thr PERL_UNUSED_DECL
c5be433b 66# define aTHX thr
411caa50 67# define dTHR dNOOP /* only backward compatibility */
fd89de3a 68# define dTHXa(a) pTHX = (struct perl_thread*)a
c5be433b 69# else
f63b9778
GS		 70# ifndef MULTIPLICITY
71# define MULTIPLICITY
72# endif
24e8e624 73# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
c5be433b 74# define aTHX my_perl
fd89de3a 75# define dTHXa(a) pTHX = (PerlInterpreter*)a
c5be433b 76# endif
fd89de3a 77# define dTHX pTHX = PERL_GET_THX
c5be433b 78# define pTHX_ pTHX,
c5be433b 79# define aTHX_ aTHX,
894356b3
GS		 80# define pTHX_1 2
81# define pTHX_2 3
82# define pTHX_3 4
83# define pTHX_4 5
c5be433b
GS		 84#endif
85
76e3520e
GS		 86#define STATIC static
87#define CPERLscope(x) x
565764a8 88#define CPERLarg void
76e3520e 89#define CPERLarg_
e3b8966e 90#define _CPERLarg
1d583055
GS		 91#define PERL_OBJECT_THIS
92#define _PERL_OBJECT_THIS
93#define PERL_OBJECT_THIS_
312caa8e 94#define CALL_FPTR(fptr) (*fptr)
76e3520e 95
312caa8e
CS		 96#define CALLRUNOPS CALL_FPTR(PL_runops)
97#define CALLREGCOMP CALL_FPTR(PL_regcompp)
98#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 99#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
100#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
101#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8
GS		 102
103#ifdef PERL_FLEXIBLE_EXCEPTIONS
104# define CALLPROTECT CALL_FPTR(PL_protect)
105#endif
312caa8e 106
44dbb695
JH		 107#ifdef HASATTRIBUTE
108# define PERL_UNUSED_DECL __attribute__((unused))
109#else
110# define PERL_UNUSED_DECL
111#endif
112
349b520e
DM		 113/* gcc -Wall:
114 * for silencing unused variables that are actually used most of the time,
115 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
116 */
117#define PERL_UNUSED_VAR(var) if (0) var = var
118
0cb96387 119#define NOOP (void)0
44dbb695 120#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 121
0cb96387
GS		 122#ifndef pTHX
123# define pTHX void
124# define pTHX_
0cb96387
GS		 125# define aTHX
126# define aTHX_
0cb96387
GS		 127# define dTHXa(a) dNOOP
128# define dTHX dNOOP
894356b3
GS		 129# define pTHX_1 1
130# define pTHX_2 2
131# define pTHX_3 3
132# define pTHX_4 4
0cb96387
GS		 133#endif
134
b4f7f263
GS		 135/* these are only defined for compatibility; should not be used internally */
136#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 137# define pTHXo pTHX
138# define pTHXo_ pTHX_
0cb96387
GS		 139# define aTHXo aTHX
140# define aTHXo_ aTHX_
c5be433b 141# define dTHXo dTHX
71d280e3 142# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 143#endif
144
145#ifndef pTHXx
146# define pTHXx register PerlInterpreter *my_perl
147# define pTHXx_ pTHXx,
0cb96387
GS		 148# define aTHXx my_perl
149# define aTHXx_ aTHXx,
c5be433b 150# define dTHXx dTHX
22c35a8c 151#endif
71be2cbc 152
1de7c2ac
GS		 153/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
154 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
155 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
156#ifdef PERL_IMPLICIT_SYS
157# define dTHXs dTHX
158#else
159# define dTHXs dNOOP
160#endif
161
326b05e3
GS		 162#undef START_EXTERN_C
163#undef END_EXTERN_C
164#undef EXTERN_C
32f822de
GS		 165#ifdef __cplusplus
166# define START_EXTERN_C extern "C" {
167# define END_EXTERN_C }
168# define EXTERN_C extern "C"
169#else
d460ef45
NIS		 170# define START_EXTERN_C
171# define END_EXTERN_C
73c4f7a1 172# define EXTERN_C extern
32f822de
GS		 173#endif
174
462e5cf6
MB		 175#ifdef OP_IN_REGISTER
176# ifdef __GNUC__
177# define stringify_immed(s) #s
178# define stringify(s) stringify_immed(s)
d1ca3daa 179register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 180# endif
181#endif
182
728e2803 183/*
184 * STMT_START { statements; } STMT_END;
185 * can be used as a single statement, as in
186 * if (x) STMT_START { ... } STMT_END; else ...
187 *
188 * Trying to select a version that gives no warnings...
189 */
190#if !(defined(STMT_START) && defined(STMT_END))
169d69b2 191# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
728e2803 192# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
193# define STMT_END )
194# else
195 /* Now which other defined()s do we need here ??? */
196# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
197# define STMT_START if (1)
198# define STMT_END else (void)0
199# else
200# define STMT_START do
201# define STMT_END while (0)
202# endif
203# endif
204#endif
205
0cb96387 206#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 207#define WITH_THR(s) WITH_THX(s)
ea0efc06 208
55497cff 209/*
210 * SOFT_CAST can be used for args to prototyped functions to retain some
211 * type checking; it only casts if the compiler does not know prototypes.
212 */
213#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
214#define SOFT_CAST(type)
215#else
216#define SOFT_CAST(type) (type)
217#endif
79072805 218
6ee623d5 219#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
79072805
LW		 220# define BYTEORDER 0x1234
221#endif
222
223/* Overall memory policy? */
224#ifndef CONSERVATIVE
225# define LIBERAL 1
226#endif
227
8ada0baa
JH		 228#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
229#define ASCIIish
230#else
231#undef ASCIIish
232#endif
233
79072805
LW		 234/*
235 * The following contortions are brought to you on behalf of all the
236 * standards, semi-standards, de facto standards, not-so-de-facto standards
237 * of the world, as well as all the other botches anyone ever thought of.
238 * The basic theory is that if we work hard enough here, the rest of the
239 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
240 */
ac58e20f 241
ee0007ab 242/* define this once if either system, instead of cluttering up the src */
2986a63f 243#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 244#define DOSISH 1
245#endif
246
2986a63f 247#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 248# define STANDARD_C 1
249#endif
250
2986a63f 251#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
68dc0745 252# define DONT_DECLARE_STD 1
253#endif
254
352d5a3a 255#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805
LW		 256# ifdef __cplusplus
257# define VOL // to temporarily suppress warnings
258# else
259# define VOL volatile
260# endif
663a0e37 261#else
79072805 262# define VOL
663a0e37
LW		 263#endif
264
3280af22
NIS		 265#define TAINT (PL_tainted = TRUE)
266#define TAINT_NOT (PL_tainted = FALSE)
267#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
268#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 269#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 270
d460ef45 271/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 272 defines move there? If so, I could simplify this a lot. --AD 9/96.
273*/
274/* Process group stuff changed from traditional BSD to POSIX.
275 perlfunc.pod documents the traditional BSD-style syntax, so we'll
276 try to preserve that, if possible.
277*/
278#ifdef HAS_SETPGID
279# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 280#else
a6e633de 281# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
282# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
283# else
284# ifdef HAS_SETPGRP2 /* DG/UX */
285# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
286# endif
287# endif
288#endif
289#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
290# define HAS_SETPGRP /* Well, effectively it does . . . */
291#endif
292
293/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
294 our life easier :-) so we'll try it.
295*/
296#ifdef HAS_GETPGID
297# define BSD_GETPGRP(pid) getpgid((pid))
298#else
299# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
300# define BSD_GETPGRP(pid) getpgrp((pid))
301# else
302# ifdef HAS_GETPGRP2 /* DG/UX */
303# define BSD_GETPGRP(pid) getpgrp2((pid))
304# endif
305# endif
306#endif
307#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
308# define HAS_GETPGRP /* Well, effectively it does . . . */
309#endif
310
d460ef45 311/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 312 have different behaviors, but perl.h used to define USE_BSDPGRP
313 (prior to 5.003_05) so some extension might depend on it.
314*/
315#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
316# ifndef USE_BSDPGRP
317# define USE_BSDPGRP
318# endif
663a0e37
LW		 319#endif
320
3d62afa2 321/* Use the reentrant APIs like localtime_r and getpwent_r */
d80aa559
GS		 322/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
323#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(WIN32)
d8916601 324# define USE_REENTRANT_API
3d62afa2
JH		 325#endif
326
8ac5a1fe
MH		 327/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
328 pthread.h must be included before all other header files.
329*/
4d1ff10f 330#if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) \
1feb2720 331 && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 332# include <pthread.h>
333#endif
334
760ac839
LW		 335#ifndef _TYPES_ /* If types.h defines this it's easy. */
336# ifndef major /* Does everyone's types.h define this? */
337# include <sys/types.h>
c07a80fd 338# endif
663a0e37
LW		 339#endif
340
760ac839
LW		 341#ifdef __cplusplus
342# ifndef I_STDARG
343# define I_STDARG 1
344# endif
345#endif
346
347#ifdef I_STDARG
348# include <stdarg.h>
349#else
350# ifdef I_VARARGS
351# include <varargs.h>
352# endif
353#endif
354
4633a7c4 355#ifdef USE_NEXT_CTYPE
0c30d9ec 356
092bebab
JH		 357#if NX_CURRENT_COMPILER_RELEASE >= 500
358# include <bsd/ctypes.h>
359#else
360# if NX_CURRENT_COMPILER_RELEASE >= 400
361# include <objc/NXCType.h>
362# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
363# include <appkit/NXCType.h>
364# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
365#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 366
367#else /* !USE_NEXT_CTYPE */
fe14fcc3 368#include <ctype.h>
0c30d9ec 369#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 370
371#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
372#undef METHOD
a0d0e21e
LW		 373#endif
374
12ae5dfc
JH		 375#ifdef PERL_MICRO
376# define NO_LOCALE
377#endif
378
4633a7c4 379#ifdef I_LOCALE
36477c24 380# include <locale.h>
4633a7c4
LW		 381#endif
382
36477c24 383#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
384# define USE_LOCALE
385# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
386 && defined(HAS_STRXFRM)
387# define USE_LOCALE_COLLATE
388# endif
389# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
390# define USE_LOCALE_CTYPE
391# endif
392# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
393# define USE_LOCALE_NUMERIC
394# endif
395#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 396
fe14fcc3 397#include <setjmp.h>
79072805 398
a0d0e21e 399#ifdef I_SYS_PARAM
79072805
LW		 400# ifdef PARAM_NEEDS_TYPES
401# include <sys/types.h>
402# endif
403# include <sys/param.h>
352d5a3a 404#endif
79072805 405
79072805 406/* Use all the "standard" definitions? */
a0d0e21e 407#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 408# include <stdlib.h>
ff68c719 409#endif
03a14243 410
3f270f98
JH		 411/* If this causes problems, set i_unistd=undef in the hint file. */
412#ifdef I_UNISTD
413# include <unistd.h>
414#endif
415
7114a2d2 416#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 417int syscall(int, ...);
418#endif
419
7114a2d2 420#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 421int usleep(unsigned int);
2ef53570
JH		 422#endif
423
9a34ef1d
GS		 424#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
425# define MYSWAP
426#endif
427
66a93824
NIS		 428/* Cannot include embed.h here on Win32 as win32.h has not
429 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
430 */
96e176bf 431#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 432# include "embed.h"
433#endif
434
c31fac66
GS		 435#define MEM_SIZE Size_t
436
51371543
GS		 437#if defined(STANDARD_C) && defined(I_STDDEF)
438# include <stddef.h>
439# define STRUCT_OFFSET(s,m) offsetof(s,m)
440#else
441# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
442#endif
443
444#if defined(I_STRING) || defined(__cplusplus)
445# include <string.h>
446#else
447# include <strings.h>
448#endif
449
55497cff 450/* This comes after <stdlib.h> so we don't try to change the standard
451 * library prototypes; we'll use our own in proto.h instead. */
03a14243 452
4633a7c4 453#ifdef MYMALLOC
86058a2d 454# ifdef PERL_POLLUTE_MALLOC
ee13e175 455# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 456# define Perl_malloc malloc
457# define Perl_calloc calloc
458# define Perl_realloc realloc
459# define Perl_mfree free
ee13e175 460# endif
86058a2d
GS		 461# else
462# define EMBEDMYMALLOC /* for compatibility */
463# endif
20ce7b12
GS		 464Malloc_t Perl_malloc (MEM_SIZE nbytes);
465Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
466Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
86058a2d
GS		 467/* 'mfree' rather than 'free', since there is already a 'perl_free'
468 * that causes clashes with case-insensitive linkers */
20ce7b12 469Free_t Perl_mfree (Malloc_t where);
55497cff 470
827e134a
GS		 471typedef struct perl_mstats perl_mstats_t;
472
651b9576
GS		 473# define safemalloc Perl_malloc
474# define safecalloc Perl_calloc
475# define saferealloc Perl_realloc
476# define safefree Perl_mfree
f2517201
GS		 477#else /* MYMALLOC */
478# define safemalloc safesysmalloc
479# define safecalloc safesyscalloc
480# define saferealloc safesysrealloc
481# define safefree safesysfree
55497cff 482#endif /* MYMALLOC */
4633a7c4 483
a0d0e21e
LW		 484#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
485#define strchr index
486#define strrchr rindex
487#endif
488
16d20bd9
AD		 489#ifdef I_MEMORY
490# include <memory.h>
491#endif
492
fe14fcc3 493#ifdef HAS_MEMCPY
85e6fe83 494# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 495# ifndef memcpy
20ce7b12 496 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 497# endif
498# endif
499#else
500# ifndef memcpy
501# ifdef HAS_BCOPY
502# define memcpy(d,s,l) bcopy(s,d,l)
503# else
504# define memcpy(d,s,l) my_bcopy(s,d,l)
505# endif
506# endif
507#endif /* HAS_MEMCPY */
fe14fcc3 508
ee0007ab 509#ifdef HAS_MEMSET
85e6fe83 510# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 511# ifndef memset
20ce7b12 512 extern char *memset (char*, int, int);
ee0007ab
LW		 513# endif
514# endif
ee0007ab 515#else
12ae5dfc 516# undef memset
fc36a67e 517# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 518#endif /* HAS_MEMSET */
519
85e6fe83 520#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 521# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 522# define memmove(d,s,l) bcopy(s,d,l)
523# else
2304df62 524# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 525# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 526# else
79072805 527# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 528# endif
352d5a3a 529# endif
d9d8d8de 530#endif
ee0007ab 531
36477c24 532#if defined(mips) && defined(ultrix) && !defined(__STDC__)
533# undef HAS_MEMCMP
534#endif
535
536#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 537# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 538# ifndef memcmp
20ce7b12 539 extern int memcmp (char*, char*, int);
ee0007ab
LW		 540# endif
541# endif
36477c24 542# ifdef BUGGY_MSC
543 # pragma function(memcmp)
544# endif
ee0007ab
LW		 545#else
546# ifndef memcmp
ecfc5424 547# define memcmp my_memcmp
352d5a3a 548# endif
36477c24 549#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 550
fc36a67e 551#ifndef memzero
c635e13b 552# ifdef HAS_MEMSET
553# define memzero(d,l) memset(d,0,l)
79072805 554# else
c635e13b 555# ifdef HAS_BZERO
556# define memzero(d,l) bzero(d,l)
79072805 557# else
fc36a67e 558# define memzero(d,l) my_bzero(d,l)
79072805
LW		 559# endif
560# endif
d9d8d8de 561#endif
378cc40b 562
0f27ced1
JH		 563#ifndef memchr
564# ifndef HAS_MEMCHR
565# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
566# endif
567#endif
568
36477c24 569#ifndef HAS_BCMP
570# ifndef bcmp
571# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 572# endif
36477c24 573#endif /* !HAS_BCMP */
378cc40b 574
ae986130 575#ifdef I_NETINET_IN
79072805 576# include <netinet/in.h>
ae986130
LW		 577#endif
578
28e8609d
JH		 579#ifdef I_ARPA_INET
580# include <arpa/inet.h>
581#endif
582
84902520
TB		 583#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
584/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
585 * (the neo-BSD seem to do this). */
586# undef SF_APPEND
587#endif
588
1aef975c 589#ifdef I_SYS_STAT
84902520 590# include <sys/stat.h>
1aef975c 591#endif
79072805 592
a0d0e21e
LW		 593/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
594 like UTekV) are broken, sometimes giving false positives. Undefine
595 them here and let the code below set them to proper values.
596
597 The ghs macro stands for GreenHills Software C-1.8.5 which
598 is the C compiler for sysV88 and the various derivatives.
599 This header file bug is corrected in gcc-2.5.8 and later versions.
600 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
601
602#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 603# undef S_ISDIR
604# undef S_ISCHR
605# undef S_ISBLK
606# undef S_ISREG
607# undef S_ISFIFO
608# undef S_ISLNK
ee0007ab 609#endif
135863df 610
663a0e37
LW		 611#ifdef I_TIME
612# include <time.h>
ffed7fef 613#endif
663a0e37 614
fe14fcc3 615#ifdef I_SYS_TIME
85e6fe83 616# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 617# define KERNEL
618# endif
619# include <sys/time.h>
85e6fe83 620# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 621# undef KERNEL
622# endif
a687059c 623#endif
135863df 624
55497cff 625#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 626# include <sys/times.h>
d9d8d8de 627#endif
8d063cd8 628
fe14fcc3 629#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 630# undef HAS_STRERROR
663a0e37
LW		 631#endif
632
633#include <errno.h>
1e743fda 634
acfe0abc 635#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 636# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
637#endif
638
4e0554ec
JH		 639/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */
640#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
641# define _SOCKADDR_LEN
642#endif
643
8d3f517a 644#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 645# include <sys/socket.h>
646# if defined(USE_SOCKS) && defined(I_SOCKS)
647# if !defined(INCLUDE_PROTOTYPES)
648# define INCLUDE_PROTOTYPES /* for <socks.h> */
649# define PERL_SOCKS_NEED_PROTOTYPES
650# endif
4d1ff10f 651# ifdef USE_5005THREADS
c3dedce1 652# define PERL_USE_THREADS /* store our value */
4d1ff10f 653# undef USE_5005THREADS
c3dedce1 654# endif
1e743fda 655# include <socks.h>
4d1ff10f
AB		 656# ifdef USE_5005THREADS
657# undef USE_5005THREADS /* socks.h does this on its own */
c3dedce1
JH		 658# endif
659# ifdef PERL_USE_THREADS
4d1ff10f 660# define USE_5005THREADS /* restore our value */
c3dedce1
JH		 661# undef PERL_USE_THREADS
662# endif
1e743fda
JH		 663# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
664# undef INCLUDE_PROTOTYPES
665# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 666# endif
d460ef45 667# endif
1e743fda 668# ifdef I_NETDB
2986a63f
JH		 669# ifdef NETWARE
670# include<stdio.h>
671# endif
1e743fda
JH		 672# include <netdb.h>
673# endif
674# ifndef ENOTSOCK
675# ifdef I_NET_ERRNO
676# include <net/errno.h>
677# endif
678# endif
679#endif
680
fa0a29af 681/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 682 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 683#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH		 684int sockatmark(int);
685#endif
686
1e743fda
JH		 687#ifdef SETERRNO
688# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 689#endif
f86702cc 690
691#ifdef VMS
692# define SETERRNO(errcode,vmserrcode) \
693 STMT_START { \
694 set_errno(errcode); \
695 set_vaxc_errno(vmserrcode); \
696 } STMT_END
748a9306 697#else
aba27d88 698# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
748a9306 699#endif
ed6116ce 700
4d1ff10f 701#ifdef USE_5005THREADS
38a03e6e 702# define ERRSV (thr->errsv)
940cb80d
MB		 703# define DEFSV THREADSV(0)
704# define SAVE_DEFSV save_threadsv(0)
38a03e6e 705#else
3280af22 706# define ERRSV GvSV(PL_errgv)
3280af22
NIS		 707# define DEFSV GvSV(PL_defgv)
708# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
4d1ff10f 709#endif /* USE_5005THREADS */
38a03e6e 710
98eae8f5
GS		 711#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
712
55497cff 713#ifndef errno
5ff3f7a4
GS		 714 extern int errno; /* ANSI allows errno to be an lvalue expr.
715 * For example in multithreaded environments
716 * something like this might happen:
717 * extern int *_errno(void);
718 * #define errno (*_errno()) */
d9d8d8de 719#endif
663a0e37 720
2304df62 721#ifdef HAS_STRERROR
a0d0e21e 722# ifdef VMS
20ce7b12 723 char *strerror (int,...);
a0d0e21e 724# else
68dc0745 725#ifndef DONT_DECLARE_STD
20ce7b12 726 char *strerror (int);
68dc0745 727#endif
a0d0e21e 728# endif
2304df62
AD		 729# ifndef Strerror
730# define Strerror strerror
731# endif
732#else
733# ifdef HAS_SYS_ERRLIST
79072805
LW		 734 extern int sys_nerr;
735 extern char *sys_errlist[];
2304df62
AD		 736# ifndef Strerror
737# define Strerror(e) \
79072805 738 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 739# endif
79072805 740# endif
35c8bce7 741#endif
663a0e37 742
2304df62 743#ifdef I_SYS_IOCTL
79072805
LW		 744# ifndef _IOCTL_
745# include <sys/ioctl.h>
746# endif
a687059c
LW		 747#endif
748
ee0007ab 749#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 750# ifdef HAS_SOCKETPAIR
751# undef HAS_SOCKETPAIR
752# endif
2304df62
AD		 753# ifdef I_NDBM
754# undef I_NDBM
79072805 755# endif
a687059c
LW		 756#endif
757
a687059c 758#if INTSIZE == 2
79072805
LW		 759# define htoni htons
760# define ntohi ntohs
a687059c 761#else
79072805
LW		 762# define htoni htonl
763# define ntohi ntohl
a687059c
LW		 764#endif
765
a0d0e21e 766/* Configure already sets Direntry_t */
35c8bce7 767#if defined(I_DIRENT)
663a0e37 768# include <dirent.h>
8f1f23e8
W		 769 /* NeXT needs dirent + sys/dir.h */
770# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 771# include <sys/dir.h>
772# endif
ae986130 773#else
fe14fcc3 774# ifdef I_SYS_NDIR
79a0689e 775# include <sys/ndir.h>
663a0e37 776# else
fe14fcc3 777# ifdef I_SYS_DIR
79a0689e
LW		 778# ifdef hp9000s500
779# include <ndir.h> /* may be wrong in the future */
780# else
781# include <sys/dir.h>
782# endif
663a0e37
LW		 783# endif
784# endif
4633a7c4 785#endif
a687059c 786
12ae5dfc
JH		 787#ifdef PERL_MICRO
788# ifndef DIR
789# define DIR void
790# endif
791#endif
792
352d5a3a
LW		 793#ifdef FPUTS_BOTCH
794/* work around botch in SunOS 4.0.1 and 4.0.2 */
795# ifndef fputs
79072805 796# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 797# endif
798#endif
799
c623bd54
LW		 800/*
801 * The following gobbledygook brought to you on behalf of __STDC__.
802 * (I could just use #ifndef __STDC__, but this is more bulletproof
803 * in the face of half-implementations.)
804 */
805
7114a2d2 806#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 807#include <sys/mode.h>
808#endif
809
c623bd54
LW		 810#ifndef S_IFMT
811# ifdef _S_IFMT
812# define S_IFMT _S_IFMT
813# else
814# define S_IFMT 0170000
815# endif
816#endif
817
818#ifndef S_ISDIR
819# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
820#endif
821
822#ifndef S_ISCHR
823# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
824#endif
825
826#ifndef S_ISBLK
fe14fcc3
LW		 827# ifdef S_IFBLK
828# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
829# else
830# define S_ISBLK(m) (0)
831# endif
c623bd54
LW		 832#endif
833
834#ifndef S_ISREG
835# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
836#endif
837
838#ifndef S_ISFIFO
fe14fcc3
LW		 839# ifdef S_IFIFO
840# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
841# else
842# define S_ISFIFO(m) (0)
843# endif
c623bd54
LW		 844#endif
845
846#ifndef S_ISLNK
847# ifdef _S_ISLNK
848# define S_ISLNK(m) _S_ISLNK(m)
849# else
850# ifdef _S_IFLNK
851# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
852# else
853# ifdef S_IFLNK
854# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
855# else
856# define S_ISLNK(m) (0)
857# endif
858# endif
859# endif
860#endif
861
862#ifndef S_ISSOCK
863# ifdef _S_ISSOCK
864# define S_ISSOCK(m) _S_ISSOCK(m)
865# else
866# ifdef _S_IFSOCK
867# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
868# else
869# ifdef S_IFSOCK
870# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
871# else
872# define S_ISSOCK(m) (0)
873# endif
874# endif
875# endif
876#endif
877
878#ifndef S_IRUSR
879# ifdef S_IREAD
880# define S_IRUSR S_IREAD
881# define S_IWUSR S_IWRITE
882# define S_IXUSR S_IEXEC
883# else
884# define S_IRUSR 0400
885# define S_IWUSR 0200
886# define S_IXUSR 0100
887# endif
fac7cdfc
JS		 888#endif
889
890#ifndef S_IRGRP
891# ifdef S_IRUSR
892# define S_IRGRP (S_IRUSR>>3)
893# define S_IWGRP (S_IWUSR>>3)
894# define S_IXGRP (S_IXUSR>>3)
895# else
896# define S_IRGRP 0040
897# define S_IWGRP 0020
898# define S_IXGRP 0010
899# endif
900#endif
901
902#ifndef S_IROTH
903# ifdef S_IRUSR
904# define S_IROTH (S_IRUSR>>6)
905# define S_IWOTH (S_IWUSR>>6)
906# define S_IXOTH (S_IXUSR>>6)
907# else
908# define S_IROTH 0040
909# define S_IWOTH 0020
910# define S_IXOTH 0010
911# endif
c623bd54
LW		 912#endif
913
914#ifndef S_ISUID
915# define S_ISUID 04000
916#endif
917
918#ifndef S_ISGID
919# define S_ISGID 02000
920#endif
921
ca6e1c26
JH		 922#ifndef S_IRWXU
923# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 924#endif
ca6e1c26
JH		 925
926#ifndef S_IRWXG
927# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 928#endif
ca6e1c26
JH		 929
930#ifndef S_IRWXO
931# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 932#endif
ca6e1c26 933
c21fb2b8
JH		 934/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
935 * which would get included through <sys/file.h >, but that is 3000
936 * lines in the future. --jhi */
937
938#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 939# define S_IREAD S_IRUSR
940#endif
941
c21fb2b8 942#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 943# define S_IWRITE S_IWUSR
944#endif
945
946#ifndef S_IEXEC
947# define S_IEXEC S_IXUSR
948#endif
949
79072805
LW		 950#ifdef ff_next
951# undef ff_next
352d5a3a
LW		 952#endif
953
a0d0e21e 954#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 955# define SLOPPYDIVIDE
956#endif
957
748a9306
LW		 958#ifdef UV
959#undef UV
960#endif
961
c89df6bf
JH		 962#ifdef SPRINTF_E_BUG
963# define sprintf UTS_sprintf_wrap
964#endif
965
c495e728
JH		 966/* Configure gets this right but the UTS compiler gets it wrong.
967 -- Hal Morris <hom00@utsglobal.com> */
968#ifdef UTS
969# undef UVTYPE
970# define UVTYPE unsigned
971#endif
972
05f13f53 973/*
27d4fb96 974 The IV type is supposed to be long enough to hold any integral
975 value or a pointer.
976 --Andy Dougherty August 1996
977*/
978
a22e52b9
JH		 979typedef IVTYPE IV;
980typedef UVTYPE UV;
8175356b 981
10cc9d2a 982#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 983# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 984# define IV_MAX INT64_MAX
985# define IV_MIN INT64_MIN
986# define UV_MAX UINT64_MAX
cae7ae48
JH		 987# ifndef UINT64_MIN
988# define UINT64_MIN 0
989# endif
5ff3f7a4
GS		 990# define UV_MIN UINT64_MIN
991# else
992# define IV_MAX PERL_QUAD_MAX
993# define IV_MIN PERL_QUAD_MIN
994# define UV_MAX PERL_UQUAD_MAX
995# define UV_MIN PERL_UQUAD_MIN
996# endif
cf2093f6
JH		 997# define IV_IS_QUAD
998# define UV_IS_QUAD
79072805 999#else
8175356b 1000# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1001# define IV_MAX INT32_MAX
1002# define IV_MIN INT32_MIN
716026f9
DL		 1003# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1004# define UV_MAX UINT32_MAX
1005# else
1006# define UV_MAX 4294967295U
1007# endif
cae7ae48
JH		 1008# ifndef UINT32_MIN
1009# define UINT32_MIN 0
1010# endif
5ff3f7a4
GS		 1011# define UV_MIN UINT32_MIN
1012# else
1013# define IV_MAX PERL_LONG_MAX
1014# define IV_MIN PERL_LONG_MIN
1015# define UV_MAX PERL_ULONG_MAX
1016# define UV_MIN PERL_ULONG_MIN
1017# endif
8175356b 1018# if IVSIZE == 8
cf2093f6
JH		 1019# define IV_IS_QUAD
1020# define UV_IS_QUAD
de1c2614
JH		 1021# ifndef HAS_QUAD
1022# define HAS_QUAD
1023# endif
cf2093f6
JH		 1024# else
1025# undef IV_IS_QUAD
1026# undef UV_IS_QUAD
de1c2614 1027# undef HAS_QUAD
cf2093f6 1028# endif
79072805 1029#endif
d7d93a81 1030
6cde8aec 1031#if defined(uts) || defined(UTS)
11afe549
HM		 1032# undef UV_MAX
1033# define UV_MAX (4294967295u)
20601011
JH		 1034#endif
1035
cae7ae48 1036#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1037#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1038
28e5dec8 1039#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1040#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1041#endif
1042
d460ef45 1043/*
26bb67e2
JH		 1044 * The macros INT2PTR and NUM2PTR are (despite their names)
1045 * bi-directional: they will convert int/float to or from pointers.
1046 * However the conversion to int/float are named explicitly:
1047 * PTR2IV, PTR2UV, PTR2NV.
1048 *
1049 * For int conversions we do not need two casts if pointers are
1050 * the same size as IV and UV. Otherwise we need an explicit
1051 * cast (PTRV) to avoid compiler warnings.
1052 */
56431972
RB		 1053#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1054# define PTRV UV
1055# define INT2PTR(any,d) (any)(d)
1056#else
d460ef45 1057# if PTRSIZE == LONGSIZE
56431972 1058# define PTRV unsigned long
42718184 1059# else
56431972 1060# define PTRV unsigned
42718184 1061# endif
56431972 1062# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1063#endif
56431972
RB		 1064#define NUM2PTR(any,d) (any)(PTRV)(d)
1065#define PTR2IV(p) INT2PTR(IV,p)
1066#define PTR2UV(p) INT2PTR(UV,p)
1067#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1068#if PTRSIZE == LONGSIZE
d2560b70
RB		 1069# define PTR2ul(p) (unsigned long)(p)
1070#else
1071# define PTR2ul(p) INT2PTR(unsigned long,p)
1072#endif
d460ef45 1073
65202027 1074#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1075# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1076# define LONG_DOUBLE_EQUALS_DOUBLE
1077# endif
68d4903c 1078# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1079# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1080# endif
1081#endif
1082
2d4389e4
JH		 1083#ifdef OVR_DBL_DIG
1084/* Use an overridden DBL_DIG */
1085# ifdef DBL_DIG
1086# undef DBL_DIG
1087# endif
1088# define DBL_DIG OVR_DBL_DIG
1089#else
1090/* The following is all to get DBL_DIG, in order to pick a nice
1091 default value for printing floating point numbers in Gconvert.
1092 (see config.h)
1093*/
1094#ifdef I_LIMITS
1095#include <limits.h>
1096#endif
1097#ifdef I_FLOAT
1098#include <float.h>
1099#endif
1100#ifndef HAS_DBL_DIG
1101#define DBL_DIG 15 /* A guess that works lots of places */
1102#endif
1103#endif
cbca01e1
JH		 1104#ifdef I_FLOAT
1105#include <float.h>
1106#endif
1107#ifndef HAS_DBL_DIG
1108#define DBL_DIG 15 /* A guess that works lots of places */
1109#endif
2d4389e4
JH		 1110
1111#ifdef OVR_LDBL_DIG
1112/* Use an overridden LDBL_DIG */
1113# ifdef LDBL_DIG
1114# undef LDBL_DIG
1115# endif
1116# define LDBL_DIG OVR_LDBL_DIG
1117#else
1118/* The following is all to get LDBL_DIG, in order to pick a nice
1119 default value for printing floating point numbers in Gconvert.
1120 (see config.h)
1121*/
68d4903c
JH		 1122# ifdef I_LIMITS
1123# include <limits.h>
1124# endif
1125# ifdef I_FLOAT
1126# include <float.h>
1127# endif
1128# ifndef HAS_LDBL_DIG
1129# if LONG_DOUBLESIZE == 10
1130# define LDBL_DIG 18 /* assume IEEE */
1131# else
1132# if LONG_DOUBLESIZE == 12
1133# define LDBL_DIG 18 /* gcc? */
1134# else
1135# if LONG_DOUBLESIZE == 16
1136# define LDBL_DIG 33 /* assume IEEE */
1137# else
1138# if LONG_DOUBLESIZE == DOUBLESIZE
1139# define LDBL_DIG DBL_DIG /* bummer */
1140# endif
1141# endif
1142# endif
1143# endif
1144# endif
2d4389e4
JH		 1145#endif
1146
a22e52b9 1147typedef NVTYPE NV;
8175356b 1148
792d8dab
JH		 1149#ifdef I_IEEEFP
1150# include <ieeefp.h>
1151#endif
923fc586 1152
65202027 1153#ifdef USE_LONG_DOUBLE
923fc586
JH		 1154# ifdef I_SUNMATH
1155# include <sunmath.h>
1156# endif
2d4389e4 1157# define NV_DIG LDBL_DIG
d6c14000
JH		 1158# ifdef LDBL_MANT_DIG
1159# define NV_MANT_DIG LDBL_MANT_DIG
1160# endif
06fc1729
JH		 1161# ifdef LDBL_MIN
1162# define NV_MIN LDBL_MIN
1163# endif
1164# ifdef LDBL_MAX
1165# define NV_MAX LDBL_MAX
1166# endif
1167# ifdef LDBL_MIN_10_EXP
1168# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1169# endif
1170# ifdef LDBL_MAX_10_EXP
1171# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1172# endif
1173# ifdef LDBL_EPSILON
1174# define NV_EPSILON LDBL_EPSILON
1175# endif
f4a14a62
JH		 1176# ifdef LDBL_MAX
1177# define NV_MAX LDBL_MAX
1178# define NV_MIN LDBL_MIN
1179# else
1180# ifdef HUGE_VALL
1181# define NV_MAX HUGE_VALL
1182# else
1183# ifdef HUGE_VAL
1184# define NV_MAX ((NV)HUGE_VAL)
1185# endif
1186# endif
1187# endif
68d4903c 1188# ifdef HAS_SQRTL
68d4903c
JH		 1189# define Perl_cos cosl
1190# define Perl_sin sinl
1191# define Perl_sqrt sqrtl
1192# define Perl_exp expl
1193# define Perl_log logl
1194# define Perl_atan2 atan2l
1195# define Perl_pow powl
1196# define Perl_floor floorl
1197# define Perl_fmod fmodl
1198# endif
a3540c92
JH		 1199/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1200# ifdef HAS_MODFL
1201# define Perl_modf(x,y) modfl(x,y)
e82e08d5
JH		 1202# else
1203# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
a3540c92
JH		 1204# endif
1205# ifdef HAS_FREXPL
dff3e0b8 1206# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5
JH		 1207# else
1208# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
a3540c92 1209# endif
758a5d79
JH		 1210# ifndef Perl_isinf
1211# ifdef HAS_ISNANL
1212# define Perl_isnan(x) isnanl(x)
1213# endif
1214# endif
1215# ifndef Perl_isinf
1216# ifdef HAS_FINITEL
1217# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1218# endif
1219# endif
65202027 1220#else
2d4389e4 1221# define NV_DIG DBL_DIG
d6c14000
JH		 1222# ifdef DBL_MANT_DIG
1223# define NV_MANT_DIG DBL_MANT_DIG
1224# endif
06fc1729
JH		 1225# ifdef DBL_MIN
1226# define NV_MIN DBL_MIN
1227# endif
1228# ifdef DBL_MAX
1229# define NV_MAX DBL_MAX
1230# endif
1231# ifdef DBL_MIN_10_EXP
1232# define NV_MIN_10_EXP DBL_MIN_10_EXP
1233# endif
1234# ifdef DBL_MAX_10_EXP
1235# define NV_MAX_10_EXP DBL_MAX_10_EXP
1236# endif
1237# ifdef DBL_EPSILON
1238# define NV_EPSILON DBL_EPSILON
1239# endif
f4a14a62
JH		 1240# ifdef DBL_MAX
1241# define NV_MAX DBL_MAX
1242# define NV_MIN DBL_MIN
1243# else
1244# ifdef HUGE_VAL
1245# define NV_MAX HUGE_VAL
1246# endif
1247# endif
65202027
DS		 1248# define Perl_cos cos
1249# define Perl_sin sin
1250# define Perl_sqrt sqrt
1251# define Perl_exp exp
1252# define Perl_log log
1253# define Perl_atan2 atan2
1254# define Perl_pow pow
1255# define Perl_floor floor
65202027 1256# define Perl_fmod fmod
a3540c92 1257# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1258# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1259#endif
1260
1261/* rumor has it that Win32 has _fpclass() */
1262
1263#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1264# ifdef I_IEEFP
1265# include <ieeefp.h>
1266# endif
1267# ifdef I_FP
1268# include <fp.h>
1269# endif
1270# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1271# define Perl_fp_class() fpclassl(x)
1272# else
1273# define Perl_fp_class() fpclass(x)
1274# endif
1275# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1276# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1277# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1278# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1279# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1280# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1281# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1282# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1283# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1284# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1285# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1286# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1287# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1288# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1289# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1290#endif
1291
7114a2d2 1292#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1293# include <math.h>
1294# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1295# include <fp_class.h>
1296# endif
1297# define Perl_fp_class(x) fp_class(x)
1298# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1299# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1300# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1301# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1302# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1303# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1304# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1305# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1306# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1307# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1308# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1309# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1310# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1311# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1312# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1313#endif
1314
1315#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1316# include <math.h>
1317# define Perl_fp_class(x) fpclassify(x)
1318# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN|FP|_fp_classify(x)==QNAN)
1319# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1320# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1321# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1322# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1323#endif
1324
1325#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1326# include <math.h>
1327# ifndef _cplusplus
1328# define Perl_fp_class(x) class(x)
1329# else
1330# define Perl_fp_class(x) _class(x)
1331# endif
1332# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1333# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1334# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1335# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1336# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1337# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1338# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1339# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1340# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1341# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1342# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1343# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1344# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1345# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1346# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1347#endif
1348
1349/* rumor has it that Win32 has _isnan() */
1350
1351#ifndef Perl_isnan
a3540c92 1352# ifdef HAS_ISNAN
758a5d79
JH		 1353# define Perl_isnan(x) isnan((NV)x)
1354# else
1355# ifdef Perl_fp_class_nan
1356# define Perl_isnan(x) Perl_fp_class_nan(x)
1357# else
1358# ifdef HAS_UNORDERED
1359# define Perl_isnan(x) unordered((x), 0.0)
1360# else
1361# define Perl_isnan(x) ((x)!=(x))
1362# endif
1363# endif
1364# endif
1365#endif
1366
ca6c63e1
JH		 1367#ifdef UNDER_CE
1368int isnan(double d);
1369#endif
1370
758a5d79
JH		 1371#ifndef Perl_isinf
1372# ifdef HAS_ISINF
1373# define Perl_isinf(x) isinf((NV)x)
a3540c92 1374# else
758a5d79
JH		 1375# ifdef Perl_fp_class_inf
1376# define Perl_isinf(x) Perl_fp_class_inf(x)
1377# else
1378# define Perl_isinf(x) ((x)==NV_INF)
1379# endif
1380# endif
1381#endif
1382
1383#ifndef Perl_isfinite
1384# ifdef HAS_FINITE
1385# define Perl_isfinite(x) finite((NV)x)
1386# else
1387# ifdef HAS_ISFINITE
1388# define Perl_isfinite(x) isfinite(x)
1389# else
1390# ifdef Perl_fp_class_finite
1391# define Perl_isfinite(x) Perl_fp_class_finite(x)
1392# else
1393# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1394# endif
1395# endif
a3540c92 1396# endif
65202027
DS		 1397#endif
1398
1f727ac0
HS		 1399#define Perl_atof(s) Perl_my_atof(s)
1400#define Perl_atof2(s, np) Perl_my_atof2(s, np)
cf2093f6 1401
d460ef45 1402/* Previously these definitions used hardcoded figures.
760ac839
LW		 1403 * It is hoped these formula are more portable, although
1404 * no data one way or another is presently known to me.
1405 * The "PERL_" names are used because these calculated constants
1406 * do not meet the ANSI requirements for LONG_MAX, etc., which
1407 * need to be constants acceptable to #if - kja
1408 * define PERL_LONG_MAX 2147483647L
1409 * define PERL_LONG_MIN (-LONG_MAX - 1)
1410 * define PERL ULONG_MAX 4294967295L
1411 */
1412
1413#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1414# include <limits.h>
1415#else
1416#ifdef I_VALUES
1417# include <values.h>
1418#endif
1419#endif
1420
99abf803 1421/*
1422 * Try to figure out max and min values for the integral types. THE CORRECT
1423 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1424 * following hacks are used if neither limits.h or values.h provide them:
1425 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1426 * for types < int: (unsigned TYPE)~(unsigned)0
1427 * The argument to ~ must be unsigned so that later signed->unsigned
1428 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1429 * and it must not be smaller than int because ~ does integral promotion.
1430 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1431 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1432 * The latter is a hack which happens to work on some machines but
1433 * does *not* catch any random system, or things like integer types
1434 * with NaN if that is possible.
1435 *
1436 * All of the types are explicitly cast to prevent accidental loss of
1437 * numeric range, and in the hope that they will be less likely to confuse
1438 * over-eager optimizers.
1439 *
1440 */
27d4fb96 1441
99abf803 1442#define PERL_UCHAR_MIN ((unsigned char)0)
1443
1444#ifdef UCHAR_MAX
1445# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1446#else
99abf803 1447# ifdef MAXUCHAR
1448# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1449# else
99abf803 1450# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1451# endif
1452#endif
d460ef45 1453
99abf803 1454/*
1455 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1456 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1457 * depending on local options. Until Configure detects this (or at least
1458 * detects whether the "signed" keyword is available) the CHAR ranges
1459 * will not be included. UCHAR functions normally.
1460 * - kja
1461 */
27d4fb96 1462
99abf803 1463#define PERL_USHORT_MIN ((unsigned short)0)
1464
1465#ifdef USHORT_MAX
1466# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1467#else
99abf803 1468# ifdef MAXUSHORT
1469# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1470# else
ef2f54b0
CB		 1471# ifdef USHRT_MAX
1472# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1473# else
1474# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1475# endif
27d4fb96 1476# endif
1477#endif
1478
27d4fb96 1479#ifdef SHORT_MAX
99abf803 1480# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1481#else
1482# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1483# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1484# else
ef2f54b0
CB		 1485# ifdef SHRT_MAX
1486# define PERL_SHORT_MAX ((short)SHRT_MAX)
1487# else
1488# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1489# endif
27d4fb96 1490# endif
1491#endif
1492
1493#ifdef SHORT_MIN
99abf803 1494# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1495#else
1496# ifdef MINSHORT
99abf803 1497# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1498# else
ef2f54b0
CB		 1499# ifdef SHRT_MIN
1500# define PERL_SHORT_MIN ((short)SHRT_MIN)
1501# else
1502# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1503# endif
27d4fb96 1504# endif
1505#endif
1506
99abf803 1507#ifdef UINT_MAX
1508# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1509#else
99abf803 1510# ifdef MAXUINT
1511# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1512# else
99abf803 1513# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1514# endif
1515#endif
1516
99abf803 1517#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1518
1519#ifdef INT_MAX
99abf803 1520# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1521#else
1522# ifdef MAXINT /* Often used in <values.h> */
99abf803 1523# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1524# else
99abf803 1525# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1526# endif
1527#endif
1528
1529#ifdef INT_MIN
99abf803 1530# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1531#else
1532# ifdef MININT
99abf803 1533# define PERL_INT_MIN ((int)MININT)
27d4fb96 1534# else
1535# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1536# endif
1537#endif
1538
99abf803 1539#ifdef ULONG_MAX
1540# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1541#else
99abf803 1542# ifdef MAXULONG
1543# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1544# else
99abf803 1545# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1546# endif
1547#endif
1548
99abf803 1549#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1550
760ac839 1551#ifdef LONG_MAX
99abf803 1552# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1553#else
1554# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1555# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1556# else
99abf803 1557# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1558# endif
1559#endif
1560
1561#ifdef LONG_MIN
99abf803 1562# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1563#else
1564# ifdef MINLONG
99abf803 1565# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1566# else
27d4fb96 1567# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1568# endif
1569#endif
1570
d7d93a81 1571#ifdef UV_IS_QUAD
99abf803 1572
99abf803 1573# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1574# define PERL_UQUAD_MIN ((UV)0)
99abf803 1575# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1576# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1577
79072805
LW		 1578#endif
1579
880b20b6
IZ		 1580struct perl_mstats {
1581 UV *nfree;
1582 UV *ntotal;
1583 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1584 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1585 IV minbucket;
1586 /* Level 1 info */
1587 UV *bucket_mem_size;
1588 UV *bucket_available_size;
1589 UV nbuckets;
1590};
830247a4 1591struct RExC_state_t;
880b20b6 1592
ee0007ab 1593typedef MEM_SIZE STRLEN;
450a55e4 1594
79072805
LW		 1595typedef struct op OP;
1596typedef struct cop COP;
1597typedef struct unop UNOP;
1598typedef struct binop BINOP;
1599typedef struct listop LISTOP;
1600typedef struct logop LOGOP;
79072805
LW		 1601typedef struct pmop PMOP;
1602typedef struct svop SVOP;
7934575e 1603typedef struct padop PADOP;
79072805 1604typedef struct pvop PVOP;
79072805
LW		 1605typedef struct loop LOOP;
1606
93a17b20 1607typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1608
1609/* Amdahl's <ksync.h> has struct sv */
1610/* SGI's <sys/sema.h> has struct sv */
1611#if defined(UTS) || defined(__sgi)
1612# define STRUCT_SV perl_sv
b8d3c5db
JH		 1613#else
1614# define STRUCT_SV sv
1615#endif
1616typedef struct STRUCT_SV SV;
79072805
LW		 1617typedef struct av AV;
1618typedef struct hv HV;
1619typedef struct cv CV;
378cc40b 1620typedef struct regexp REGEXP;
79072805 1621typedef struct gp GP;
0c30d9ec 1622typedef struct gv GV;
8990e307 1623typedef struct io IO;
c09156bb 1624typedef struct context PERL_CONTEXT;
79072805
LW		 1625typedef struct block BLOCK;
1626
1627typedef struct magic MAGIC;
ed6116ce 1628typedef struct xrv XRV;
79072805
LW		 1629typedef struct xpv XPV;
1630typedef struct xpviv XPVIV;
ff68c719 1631typedef struct xpvuv XPVUV;
79072805
LW		 1632typedef struct xpvnv XPVNV;
1633typedef struct xpvmg XPVMG;
1634typedef struct xpvlv XPVLV;
1635typedef struct xpvav XPVAV;
1636typedef struct xpvhv XPVHV;
1637typedef struct xpvgv XPVGV;
1638typedef struct xpvcv XPVCV;
1639typedef struct xpvbm XPVBM;
1640typedef struct xpvfm XPVFM;
8990e307 1641typedef struct xpvio XPVIO;
79072805
LW		 1642typedef struct mgvtbl MGVTBL;
1643typedef union any ANY;
5f7fde29
GS		 1644typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1645typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1646typedef struct clone_params CLONE_PARAMS;
1647
8d063cd8 1648
378cc40b 1649#include "handy.h"
a0d0e21e 1650
6b8eaf93 1651#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1652# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1653# define USE_64_BIT_RAWIO /* implicit */
1654# endif
4564133c
JH		 1655#endif
1656
6b8eaf93
JH		 1657/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1658 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1659 * however, because operating systems like to do that themself. */
1660#ifndef FSEEKSIZE
1661# ifdef HAS_FSEEKO
1662# define FSEEKSIZE LSEEKSIZE
1663# else
1664# define FSEEKSIZE LONGSIZE
d460ef45 1665# endif
6b8eaf93
JH		 1666#endif
1667
1668#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1669# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1670# define USE_64_BIT_STDIO /* implicit */
1671# endif
1672#endif
4564133c 1673
09458382 1674#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1675# ifdef HAS_OFF64_T
1676# undef Off_t
1677# define Off_t off64_t
1678# undef LSEEKSIZE
1679# define LSEEKSIZE 8
5ff3f7a4 1680# endif
d9b3e12d
JH		 1681/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1682 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1683 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1684# if defined(USE_OPEN64)
1685# define open open64
5ff3f7a4 1686# endif
d9b3e12d
JH		 1687# if defined(USE_LSEEK64)
1688# define lseek lseek64
6b8eaf93
JH		 1689# else
1690# if defined(USE_LLSEEK)
1691# define lseek llseek
1692# endif
d9b3e12d
JH		 1693# endif
1694# if defined(USE_STAT64)
1695# define stat stat64
1696# endif
1697# if defined(USE_FSTAT64)
1698# define fstat fstat64
1699# endif
1700# if defined(USE_LSTAT64)
1701# define lstat lstat64
1702# endif
1703# if defined(USE_FLOCK64)
1704# define flock flock64
1705# endif
1706# if defined(USE_LOCKF64)
1707# define lockf lockf64
1708# endif
1709# if defined(USE_FCNTL64)
1710# define fcntl fcntl64
1711# endif
1712# if defined(USE_TRUNCATE64)
1713# define truncate truncate64
1714# endif
1715# if defined(USE_FTRUNCATE64)
1716# define ftruncate ftruncate64
1717# endif
1718#endif
1719
1720#ifdef USE_64_BIT_STDIO
1721# ifdef HAS_FPOS64_T
1722# undef Fpos_t
1723# define Fpos_t fpos64_t
1724# endif
1725/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1726 * will trigger defines like the ones below. Some 64-bit environments,
1727 * however, do not. */
1728# if defined(USE_FOPEN64)
1729# define fopen fopen64
1730# endif
1731# if defined(USE_FSEEK64)
6b8eaf93 1732# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1733# endif
1734# if defined(USE_FTELL64)
6b8eaf93 1735# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1736# endif
1737# if defined(USE_FSETPOS64)
1738# define fsetpos fsetpos64
1739# endif
1740# if defined(USE_FGETPOS64)
1741# define fgetpos fgetpos64
1742# endif
1743# if defined(USE_TMPFILE64)
1744# define tmpfile tmpfile64
1745# endif
1746# if defined(USE_FREOPEN64)
1747# define freopen freopen64
5ff3f7a4
GS		 1748# endif
1749#endif
1750
af8b425d 1751#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1752# include "iperlsys.h"
1753#endif
1754
6f71a643 1755#if defined(__OPEN_VM)
19848b3f
JH		 1756# include "vmesa/vmesaish.h"
1757# define ISHISH "vmesa"
6f71a643
JH		 1758#endif
1759
748a9306 1760#ifdef DOSISH
19848b3f
JH		 1761# if defined(OS2)
1762# include "os2ish.h"
1763# else
1764# include "dosish.h"
1765# endif
1766# define ISHISH "dos"
1767#endif
1768
1769#if defined(VMS)
748a9306 1770# include "vmsish.h"
96e176bf 1771# include "embed.h"
19848b3f
JH		 1772# define ISHISH "vms"
1773#endif
1774
1775#if defined(PLAN9)
1776# include "./plan9/plan9ish.h"
1777# define ISHISH "plan9"
1778#endif
1779
1780#if defined(MPE)
1781# include "mpeix/mpeixish.h"
1782# define ISHISH "mpeix"
1783#endif
1784
1785#if defined(__VOS__)
1786# include "vosish.h"
1787# define ISHISH "vos"
1788#endif
1789
1790#if defined(EPOC)
1791# include "epocish.h"
1792# define ISHISH "epoc"
1793#endif
1794
1795#if defined(MACOS_TRADITIONAL)
1796# include "macos/macish.h"
1797# ifndef NO_ENVIRON_ARRAY
1798# define NO_ENVIRON_ARRAY
0c30d9ec 1799# endif
19848b3f
JH		 1800# define ISHISH "macos classic"
1801#endif
1802
1803#ifndef ISHISH
1804# include "unixish.h"
1805# define ISHISH "unix"
13b6e58c
JH		 1806#endif
1807
1808#ifndef NO_ENVIRON_ARRAY
1809# define USE_ENVIRON_ARRAY
1810#endif
32f822de 1811
103a7189
JH		 1812#ifdef JPL
1813 /* E.g. JPL needs to operate on a copy of the real environment.
1814 * JDK 1.2 and 1.3 seem to get upset if the original environment
1815 * is diddled with. */
1816# define NEED_ENVIRON_DUP_FOR_MODIFY
1817#endif
1818
c77b533b
JH		 1819/*
1820 * initialise to avoid floating-point exceptions from overflow, etc
1821 */
1822#ifndef PERL_FPU_INIT
1823# ifdef HAS_FPSETMASK
1824# if HAS_FLOATINGPOINT_H
1825# include <floatingpoint.h>
1826# endif
1827# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1828# else
7014c407
JH		 1829# if defined(SIGFPE) && defined(SIG_IGN)
1830# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1831# else
1832# define PERL_FPU_INIT
1833# endif
c77b533b
JH		 1834# endif
1835#endif
1836
ed344e4f
IZ		 1837#ifndef PERL_SYS_INIT3
1838# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1839#endif
1840
be708cc0
JH		 1841#ifndef PERL_WRITE_MSG_TO_CONSOLE
1842# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1843#endif
1844
0f31cffe
GS		 1845#ifndef MAXPATHLEN
1846# ifdef PATH_MAX
b990c8b2
JH		 1847# ifdef _POSIX_PATH_MAX
1848# if PATH_MAX > _POSIX_PATH_MAX
1849/* MAXPATHLEN is supposed to include the final null character,
1850 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1851# define MAXPATHLEN (PATH_MAX+1)
1852# else
1853# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1854# endif
1855# else
1856# define MAXPATHLEN (PATH_MAX+1)
1857# endif
0f31cffe 1858# else
b990c8b2
JH		 1859# ifdef _POSIX_PATH_MAX
1860# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1861# else
1862# define MAXPATHLEN 1024 /* Err on the large side. */
1863# endif
0f31cffe
GS		 1864# endif
1865#endif
1866
d460ef45 1867/*
4d1ff10f 1868 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1869 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1870 * this results in many functions being undeclared which bothers C++
1871 * May make sense to have threads after "*ish.h" anyway
1872 */
1873
4d1ff10f
AB		 1874#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
1875# if defined(USE_5005THREADS)
79d59c5f
GS		 1876 /* pending resolution of licensing issues, we avoid the erstwhile
1877 * atomic.h everywhere */
1878# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1879# endif
2986a63f
JH		 1880# ifdef NETWARE
1881# include <nw5thread.h>
1882# else
32f822de
GS		 1883# ifdef FAKE_THREADS
1884# include "fakethr.h"
1885# else
1886# ifdef WIN32
1887# include <win32thread.h>
1888# else
dd96f567
IZ		 1889# ifdef OS2
1890# include "os2thread.h"
1891# else
7f3d1cf1 1892# ifdef I_MACH_CTHREADS
bdd66968 1893# include <mach/cthreads.h>
8f1f23e8 1894# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 1895# define MUTEX_INIT_CALLS_MALLOC
1896# endif
7f3d1cf1
BH		 1897typedef cthread_t perl_os_thread;
1898typedef mutex_t perl_mutex;
1899typedef condition_t perl_cond;
1900typedef void * perl_key;
1901# else /* Posix threads */
1f5ae88c
JH		 1902# ifdef I_PTHREAD
1903# include <pthread.h>
1904# endif
7f3d1cf1
BH		 1905typedef pthread_t perl_os_thread;
1906typedef pthread_mutex_t perl_mutex;
1907typedef pthread_cond_t perl_cond;
1908typedef pthread_key_t perl_key;
1909# endif /* I_MACH_CTHREADS */
dd96f567 1910# endif /* OS2 */
32f822de
GS		 1911# endif /* WIN32 */
1912# endif /* FAKE_THREADS */
2986a63f 1913#endif /* NETWARE */
4d1ff10f 1914#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 1915
66a93824 1916#if defined(WIN32)
1feb2720 1917# include "win32.h"
c5be433b
GS		 1918#endif
1919
2986a63f
JH		 1920#ifdef NETWARE
1921# include "netware.h"
1922#endif
1923
68dc0745 1924#ifdef VMS
6b88bc9c 1925# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 1926# define STATUS_NATIVE_EXPORT \
d98f61e7 1927 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 1928# define STATUS_NATIVE_SET(n) \
1929 STMT_START { \
6b88bc9c
GS		 1930 PL_statusvalue_vms = (n); \
1931 if ((I32)PL_statusvalue_vms == -1) \
3280af22 1932 PL_statusvalue = -1; \
6b88bc9c 1933 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 1934 PL_statusvalue = 0; \
6b88bc9c
GS		 1935 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
1936 PL_statusvalue = 1 << 8; \
68dc0745 1937 else \
6b88bc9c 1938 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 1939 } STMT_END
3280af22 1940# define STATUS_POSIX PL_statusvalue
68dc0745 1941# ifdef VMSISH_STATUS
1942# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1943# else
1944# define STATUS_CURRENT STATUS_POSIX
1945# endif
1946# define STATUS_POSIX_SET(n) \
1947 STMT_START { \
3280af22
NIS		 1948 PL_statusvalue = (n); \
1949 if (PL_statusvalue != -1) { \
1950 PL_statusvalue &= 0xFFFF; \
6b88bc9c 1951 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 1952 } \
6b88bc9c 1953 else PL_statusvalue_vms = -1; \
68dc0745 1954 } STMT_END
6b88bc9c
GS		 1955# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
1956# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 1957#else
1958# define STATUS_NATIVE STATUS_POSIX
1959# define STATUS_NATIVE_EXPORT STATUS_POSIX
1960# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 1961# define STATUS_POSIX PL_statusvalue
68dc0745 1962# define STATUS_POSIX_SET(n) \
1963 STMT_START { \
3280af22
NIS		 1964 PL_statusvalue = (n); \
1965 if (PL_statusvalue != -1) \
1966 PL_statusvalue &= 0xFFFF; \
68dc0745 1967 } STMT_END
1968# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 1969# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
1970# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 1971#endif
1972
cc3604b1
GS		 1973/* flags in PL_exit_flags for nature of exit() */
1974#define PERL_EXIT_EXPECTED 0x01
31d77e54 1975#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 1976
0b94c7bb 1977#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 1978# define MEMBER_TO_FPTR(name) name
1979#endif
1980
1981/* format to use for version numbers in file/directory names */
273cf8d1 1982/* XXX move to Configure? */
a7cb1f99 1983#ifndef PERL_FS_VER_FMT
273cf8d1 1984# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 1985#endif
1986
45bc9206 1987/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 1988 * performance issue, so we allow people to disable it. Also, if
1989 * we are using stdio, there are broken implementations of fflush(NULL)
1990 * out there, Solaris being the most prominent.
45bc9206
GS		 1991 */
1992#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 1993# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 1994# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 1995# else
1996# ifdef FFLUSH_ALL
1997# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 1998# else
c5be433b 1999# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2000# endif
66fe083f 2001# endif
45bc9206
GS		 2002#endif
2003
7766f137
GS		 2004#ifndef PERL_WAIT_FOR_CHILDREN
2005# define PERL_WAIT_FOR_CHILDREN NOOP
2006#endif
2007
ba869deb 2008/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2009#ifndef PERL_SET_INTERP
2010# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2011#endif
2012
2013#ifndef PERL_GET_INTERP
2014# define PERL_GET_INTERP (PL_curinterp)
2015#endif
2016
54aff467 2017#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 2018# ifdef USE_5005THREADS
ba869deb 2019# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS		 2020# else
2021# ifdef MULTIPLICITY
ba869deb 2022# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS		 2023# endif
2024# endif
ba869deb
GS		 2025# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2026#endif
2027
894356b3
GS		 2028#ifndef SVf
2029# ifdef CHECK_FORMAT
2030# define SVf "p"
2031# else
2032# define SVf "_"
d460ef45 2033# endif
894356b3
GS		 2034#endif
2035
d2560b70
RB		 2036#ifndef UVf
2037# ifdef CHECK_FORMAT
2038# define UVf UVuf
2039# else
2040# define UVf "Vu"
d460ef45 2041# endif
d2560b70
RB		 2042#endif
2043
2044#ifndef VDf
2045# ifdef CHECK_FORMAT
2046# define VDf "p"
2047# else
2048# define VDf "vd"
d460ef45 2049# endif
d2560b70
RB		 2050#endif
2051
b3fe4827
RB		 2052#ifndef Nullformat
2053# ifdef CHECK_FORMAT
2054# define Nullformat "%s",""
2055# else
2056# define Nullformat Nullch
2057# endif
2058#endif
2059
3fc1aec6 2060/* Some unistd.h's give a prototype for pause() even though
2061 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2062 below to be rejected by the compiler. Sigh.
3fc1aec6 2063*/
2064#ifdef HAS_PAUSE
2065#define Pause pause
2066#else
2067#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2068#endif
2069
2070#ifndef IOCPARM_LEN
2071# ifdef IOCPARM_MASK
2072 /* on BSDish systes we're safe */
2073# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2074# else
2075 /* otherwise guess at what's safe */
2076# define IOCPARM_LEN(x) 256
2077# endif
a0d0e21e
LW		 2078#endif
2079
1761cee5 2080#if defined(__CYGWIN__)
521e0776
GS		 2081/* USEMYBINMODE
2082 * This symbol, if defined, indicates that the program should
16fe6d59 2083 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2084 * that a file is in "binary" mode -- that is, that no translation
2085 * of bytes occurs on read or write operations.
2086 */
2087# define USEMYBINMODE / **/
16fe6d59
GS		 2088# define my_binmode(fp, iotype, mode) \
2089 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2090#endif
2091
cea2e8a9
GS		 2092#ifdef UNION_ANY_DEFINITION
2093UNION_ANY_DEFINITION;
2094#else
2095union any {
2096 void* any_ptr;
2097 I32 any_i32;
2098 IV any_iv;
2099 long any_long;
c76ac1ee 2100 void (*any_dptr) (void*);
acfe0abc 2101 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2102};
2103#endif
2104
4d1ff10f 2105#ifdef USE_5005THREADS
cea2e8a9
GS		 2106#define ARGSproto struct perl_thread *thr
2107#else
2108#define ARGSproto
4d1ff10f 2109#endif /* USE_5005THREADS */
cea2e8a9 2110
acfe0abc 2111typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2112
2113#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2114#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2115#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2116
af8b425d 2117#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2118# include "iperlsys.h"
2119#endif
378cc40b 2120#include "regexp.h"
79072805 2121#include "sv.h"
378cc40b 2122#include "util.h"
8d063cd8 2123#include "form.h"
79072805
LW		 2124#include "gv.h"
2125#include "cv.h"
abdd5c84 2126#include "opnames.h"
79072805
LW		 2127#include "op.h"
2128#include "cop.h"
2129#include "av.h"
2130#include "hv.h"
2131#include "mg.h"
2132#include "scope.h"
4438c4b7 2133#include "warnings.h"
a0ed51b3 2134#include "utf8.h"
cd1ee231 2135#include "sharedsv.h"
8d063cd8 2136
7fae4e64
GS		 2137/* Current curly descriptor */
2138typedef struct curcur CURCUR;
2139struct curcur {
2140 int parenfloor; /* how far back to strip paren data */
2141 int cur; /* how many instances of scan we've matched */
2142 int min; /* the minimal number of scans to match */
2143 int max; /* the maximal number of scans to match */
2144 int minmod; /* whether to work our way up or down */
2145 regnode * scan; /* the thing to match */
2146 regnode * next; /* what has to match after it */
2147 char * lastloc; /* where we started matching this scan */
2148 CURCUR * oldcc; /* current curly before we started this one */
2149};
2150
2151typedef struct _sublex_info SUBLEXINFO;
2152struct _sublex_info {
2153 I32 super_state; /* lexer state to save */
2154 I32 sub_inwhat; /* "lex_inwhat" to use */
2155 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2156 char *super_bufptr; /* PL_bufptr that was */
2157 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2158};
2159
455ece5e 2160typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2161
2c2d71f5 2162struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2163struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2164
2165typedef I32 CHECKPOINT;
76e3520e 2166
5f7fde29
GS		 2167struct ptr_tbl_ent {
2168 struct ptr_tbl_ent* next;
2169 void* oldval;
2170 void* newval;
d18c6117
GS		 2171};
2172
5f7fde29
GS		 2173struct ptr_tbl {
2174 struct ptr_tbl_ent** tbl_ary;
2175 UV tbl_max;
2176 UV tbl_items;
d18c6117
GS		 2177};
2178
450a55e4 2179#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2180# define I286
2181#endif
2182
fe14fcc3
LW		 2183#if defined(htonl) && !defined(HAS_HTONL)
2184#define HAS_HTONL
ae986130 2185#endif
fe14fcc3
LW		 2186#if defined(htons) && !defined(HAS_HTONS)
2187#define HAS_HTONS
ae986130 2188#endif
fe14fcc3
LW		 2189#if defined(ntohl) && !defined(HAS_NTOHL)
2190#define HAS_NTOHL
ae986130 2191#endif
fe14fcc3
LW		 2192#if defined(ntohs) && !defined(HAS_NTOHS)
2193#define HAS_NTOHS
ae986130 2194#endif
fe14fcc3 2195#ifndef HAS_HTONL
d9d8d8de 2196#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2197#define HAS_HTONS
2198#define HAS_HTONL
2199#define HAS_NTOHS
2200#define HAS_NTOHL
a687059c
LW		 2201#define MYSWAP
2202#define htons my_swap
2203#define htonl my_htonl
2204#define ntohs my_swap
2205#define ntohl my_ntohl
2206#endif
2207#else
d9d8d8de 2208#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2209#undef HAS_HTONS
2210#undef HAS_HTONL
2211#undef HAS_NTOHS
2212#undef HAS_NTOHL
a687059c
LW		 2213#endif
2214#endif
2215
988174c1
LW		 2216/*
2217 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2218 * -DWS
2219 */
2220#if BYTEORDER != 0x1234
2221# define HAS_VTOHL
2222# define HAS_VTOHS
2223# define HAS_HTOVL
2224# define HAS_HTOVS
c67712b2 2225# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2226# define vtohl(x) ((((x)&0xFF)<<24) \
2227 +(((x)>>24)&0xFF) \
2228 +(((x)&0x0000FF00)<<8) \
2229 +(((x)&0x00FF0000)>>8) )
2230# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2231# define htovl(x) vtohl(x)
2232# define htovs(x) vtohs(x)
2233# endif
2234 /* otherwise default to functions in util.c */
2235#endif
2236
3bb7c1b4
JH		 2237/* *MAX Plus 1. A floating point value.
2238 Hopefully expressed in a way that dodgy floating point can't mess up.
2239 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2240 is added to it
2241 May find that some broken compiler will want the value cast to I32.
2242 [after the shift, as signed >> may not be as secure as unsigned >>]
2243*/
2244#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2245#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2246/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2247 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2248 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2249*/
2250#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2251
3bb7c1b4
JH		 2252#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2253#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2254#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2255
2256/* This may look like unnecessary jumping through hoops, but converting
2257 out of range floating point values to integers *is* undefined behaviour,
2258 and it is starting to bite.
2259*/
2260#ifndef CAST_INLINE
65202027 2261#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2262#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2263#define I_V(what) (cast_iv((NV)(what)))
2264#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2265#else
2266#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2267 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2268 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2269#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2270 : ((n) < U32_MAX_P1 ? (U32) (n) \
2271 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2272#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2273 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2274 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2275#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2276 : ((n) < UV_MAX_P1 ? (UV) (n) \
2277 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2278#endif
2279
2280#define U_S(what) ((U16)U_32(what))
2281#define U_I(what) ((unsigned int)U_32(what))
2282#define U_L(what) U_32(what)
ed6116ce 2283
2d4389e4
JH		 2284/* These do not care about the fractional part, only about the range. */
2285#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2286#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2287
25da4f38
IZ		 2288/* Used with UV/IV arguments: */
2289 /* XXXX: need to speed it up */
2290#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2291#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2292
352d5a3a
LW		 2293#ifndef MAXSYSFD
2294# define MAXSYSFD 2
2295#endif
ee0007ab 2296
79072805 2297#ifndef __cplusplus
e1caacb4 2298#ifndef UNDER_CE
20ce7b12
GS		 2299Uid_t getuid (void);
2300Uid_t geteuid (void);
2301Gid_t getgid (void);
2302Gid_t getegid (void);
79072805 2303#endif
e1caacb4 2304#endif
8d063cd8 2305
0c30d9ec 2306#ifndef Perl_debug_log
bf49b057
GS		 2307# define Perl_debug_log PerlIO_stderr()
2308#endif
2309
2310#ifndef Perl_error_log
2311# define Perl_error_log (PL_stderrgv \
01bb7c6d 2312 && GvIOp(PL_stderrgv) \
42de951c 2313 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2314 ? IoOFP(GvIOp(PL_stderrgv)) \
2315 : PerlIO_stderr())
0c30d9ec 2316#endif
3967c732 2317
aea4f609
DM		 2318
2319#define DEBUG_p_FLAG 0x00000001 /* 1 */
2320#define DEBUG_s_FLAG 0x00000002 /* 2 */
2321#define DEBUG_l_FLAG 0x00000004 /* 4 */
2322#define DEBUG_t_FLAG 0x00000008 /* 8 */
2323#define DEBUG_o_FLAG 0x00000010 /* 16 */
2324#define DEBUG_c_FLAG 0x00000020 /* 32 */
2325#define DEBUG_P_FLAG 0x00000040 /* 64 */
2326#define DEBUG_m_FLAG 0x00000080 /* 128 */
2327#define DEBUG_f_FLAG 0x00000100 /* 256 */
2328#define DEBUG_r_FLAG 0x00000200 /* 512 */
2329#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2330#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2331#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2332#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2333#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2334#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2335#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2336#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8
DM		 2337#define DEBUG_R_FLAG 0x00040000 /* 262144 */
2338#define DEBUG_MASK 0x0007FFFF /* mask of all the standard flags */
aea4f609
DM		 2339
2340#define DEBUG_DB_RECURSE_FLAG 0x40000000
2341#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? */
2342
2343
bd16a5f0
IZ		 2344# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2345# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2346# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2347# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2348# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2349# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2350# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2351# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2352# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2353# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2354# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2355# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
2356# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
2357# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2358# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2359# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2360# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2361# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2362# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
2363
3967c732 2364#ifdef DEBUGGING
aea4f609
DM		 2365
2366# undef YYDEBUG
2367# define YYDEBUG 1
2368
bd16a5f0
IZ		 2369# define DEBUG_p_TEST DEBUG_p_TEST_
2370# define DEBUG_s_TEST DEBUG_s_TEST_
2371# define DEBUG_l_TEST DEBUG_l_TEST_
2372# define DEBUG_t_TEST DEBUG_t_TEST_
2373# define DEBUG_o_TEST DEBUG_o_TEST_
2374# define DEBUG_c_TEST DEBUG_c_TEST_
2375# define DEBUG_P_TEST DEBUG_P_TEST_
2376# define DEBUG_m_TEST DEBUG_m_TEST_
2377# define DEBUG_f_TEST DEBUG_f_TEST_
2378# define DEBUG_r_TEST DEBUG_r_TEST_
2379# define DEBUG_x_TEST DEBUG_x_TEST_
2380# define DEBUG_u_TEST DEBUG_u_TEST_
2381# define DEBUG_L_TEST DEBUG_L_TEST_
2382# define DEBUG_H_TEST DEBUG_H_TEST_
2383# define DEBUG_X_TEST DEBUG_X_TEST_
2384# define DEBUG_D_TEST DEBUG_D_TEST_
2385# define DEBUG_S_TEST DEBUG_S_TEST_
2386# define DEBUG_T_TEST DEBUG_T_TEST_
2387# define DEBUG_R_TEST DEBUG_R_TEST_
aea4f609
DM		 2388
2389# define DEB(a) a
2390# define DEBUG(a) if (PL_debug) a
2391# define DEBUG_p(a) if (DEBUG_p_TEST) a
2392# define DEBUG_s(a) if (DEBUG_s_TEST) a
2393# define DEBUG_l(a) if (DEBUG_l_TEST) a
2394# define DEBUG_t(a) if (DEBUG_t_TEST) a
2395# define DEBUG_o(a) if (DEBUG_o_TEST) a
2396# define DEBUG_c(a) if (DEBUG_c_TEST) a
2397# define DEBUG_P(a) if (DEBUG_P_TEST) a
2398
969058bb
VK		 2399 /* Temporarily turn off memory debugging in case the a
2400 * does memory allocation, either directly or indirectly. */
acfe0abc 2401# define DEBUG_m(a) \
0b250b9e 2402 STMT_START { \
aea4f609 2403 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2404 } STMT_END
aea4f609 2405
5f80b19c
AMS		 2406# define DEBUG__(t, a) \
2407 STMT_START { \
2408 if (t) STMT_START {a;} STMT_END; \
2409 } STMT_END
2410
2411# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2412# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2413# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2414# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2415# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2416# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2417# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2418# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2419
4d1ff10f 2420# ifdef USE_5005THREADS
5f80b19c 2421# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ		 2422# else
2423# define DEBUG_S(a)
2424# endif
aea4f609 2425
5f80b19c
AMS		 2426# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2427# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
aea4f609
DM		 2428
2429#else /* DEBUGGING */
2430
2431# define DEBUG_p_TEST (0)
2432# define DEBUG_s_TEST (0)
2433# define DEBUG_l_TEST (0)
2434# define DEBUG_t_TEST (0)
2435# define DEBUG_o_TEST (0)
2436# define DEBUG_c_TEST (0)
2437# define DEBUG_P_TEST (0)
2438# define DEBUG_m_TEST (0)
2439# define DEBUG_f_TEST (0)
2440# define DEBUG_r_TEST (0)
2441# define DEBUG_x_TEST (0)
2442# define DEBUG_u_TEST (0)
2443# define DEBUG_L_TEST (0)
2444# define DEBUG_H_TEST (0)
2445# define DEBUG_X_TEST (0)
2446# define DEBUG_D_TEST (0)
2447# define DEBUG_S_TEST (0)
2448# define DEBUG_T_TEST (0)
04932ac8 2449# define DEBUG_R_TEST (0)
aea4f609
DM		 2450
2451# define DEB(a)
2452# define DEBUG(a)
2453# define DEBUG_p(a)
2454# define DEBUG_s(a)
2455# define DEBUG_l(a)
2456# define DEBUG_t(a)
2457# define DEBUG_o(a)
2458# define DEBUG_c(a)
2459# define DEBUG_P(a)
2460# define DEBUG_m(a)
2461# define DEBUG_f(a)
2462# define DEBUG_r(a)
2463# define DEBUG_x(a)
2464# define DEBUG_u(a)
2465# define DEBUG_L(a)
2466# define DEBUG_H(a)
2467# define DEBUG_X(a)
2468# define DEBUG_D(a)
2469# define DEBUG_S(a)
2470# define DEBUG_T(a)
04932ac8 2471# define DEBUG_R(a)
aea4f609
DM		 2472#endif /* DEBUGGING */
2473
2474
d1be9408 2475/* These constants should be used in preference to raw characters
14befaf4
DM		 2476 * when using magic. Note that some perl guts still assume
2477 * certain character properties of these constants, namely that
2478 * isUPPER() and toLOWER() may do useful mappings.
2479 *
2480 * Update the magic_names table in dump.c when adding/amending these
2481 */
2482
2483#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2484#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2485#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2486#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2487#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2488#define PERL_MAGIC_regdata 'D' /* Regex match position data
2489 (@+ and @- vars) */
2490#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2491#define PERL_MAGIC_env 'E' /* %ENV hash */
2492#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2493#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2494#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2495#define PERL_MAGIC_isa 'I' /* @ISA array */
2496#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2497#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2498#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2499#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
2500#define PERL_MAGIC_mutex 'm' /* ??? */
2501#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2502#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2503#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2504#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2505#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2506#define PERL_MAGIC_sig 'S' /* %SIG hash */
2507#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2508#define PERL_MAGIC_taint 't' /* Taintedness */
2509#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
2510#define PERL_MAGIC_vec 'v' /* vec() lvalue */
2511#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2512#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2513 smart parameter vivification */
2514#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2515#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2516#define PERL_MAGIC_pos '.' /* pos() lvalue */
2517#define PERL_MAGIC_backref '<' /* ??? */
2518#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2519
2520
fe14fcc3 2521#define YYMAXDEPTH 300
8d063cd8 2522
a6e633de 2523#ifndef assert /* <assert.h> might have been included somehow */
79072805
LW		 2524#define assert(what) DEB( { \
2525 if (!(what)) { \
cea2e8a9 2526 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2527 __FILE__, __LINE__); \
cea2e8a9 2528 PerlProc_exit(1); \
79072805 2529 }})
a6e633de 2530#endif
8d063cd8 2531
450a55e4 2532struct ufuncs {
24f81a43
DM		 2533 I32 (*uf_val)(pTHX_ IV, SV*);
2534 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2535 IV uf_index;
450a55e4
LW		 2536};
2537
14befaf4 2538/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2539 * XS code wanting to be backward compatible can do something
2540 * like the following:
c745e42c 2541
24f81a43 2542#ifndef PERL_MG_UFUNC
24f81a43
DM		 2543#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2544#endif
2545
2546static PERL_MG_UFUNC(foo_get, index, val)
2547{
2548 sv_setsv(val, ...);
2549 return TRUE;
2550}
2551
2552-- Doug MacEachern
2553
2554*/
2555
fc9c74e6 2556#ifndef PERL_MG_UFUNC
24f81a43 2557#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2558#endif
24f81a43 2559
fe14fcc3 2560/* Fix these up for __STDC__ */
68dc0745 2561#ifndef DONT_DECLARE_STD
20ce7b12 2562char *mktemp (char*);
37bd1396 2563#ifndef atof
20ce7b12 2564double atof (const char*);
a0d0e21e 2565#endif
37bd1396 2566#endif
79072805 2567
352d5a3a 2568#ifndef STANDARD_C
fe14fcc3 2569/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2570Time_t time();
8d063cd8 2571struct tm *gmtime(), *localtime();
092bebab 2572#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2573char *(strchr)(), *(strrchr)();
2574char *(strcpy)(), *(strcat)();
2575#else
93a17b20 2576char *strchr(), *strrchr();
378cc40b 2577char *strcpy(), *strcat();
9d116dd7 2578#endif
352d5a3a 2579#endif /* ! STANDARD_C */
8d063cd8 2580
79072805
LW		 2581
2582#ifdef I_MATH
2583# include <math.h>
2584#else
32f822de 2585START_EXTERN_C
20ce7b12
GS		 2586 double exp (double);
2587 double log (double);
2588 double log10 (double);
2589 double sqrt (double);
2590 double frexp (double,int*);
2591 double ldexp (double,int);
2592 double modf (double,double*);
2593 double sin (double);
2594 double cos (double);
2595 double atan2 (double,double);
2596 double pow (double,double);
32f822de 2597END_EXTERN_C
79072805
LW		 2598#endif
2599
aa8b85de
JH		 2600#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2601# define NV_INF LDBL_INFINITY
2602#endif
2603#if !defined(NV_INF) && defined(DBL_INFINITY)
2604# define NV_INF (NV)DBL_INFINITY
2605#endif
2606#if !defined(NV_INF) && defined(INFINITY)
2607# define NV_INF (NV)INFINITY
2608#endif
2609#if !defined(NV_INF) && defined(INF)
2610# define NV_INF (NV)INF
2611#endif
2612#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2613# define NV_INF (NV)HUGE_VALL
2614#endif
2615#if !defined(NV_INF) && defined(HUGE_VAL)
2616# define NV_INF (NV)HUGE_VAL
2617#endif
2618
2619#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2620# if !defined(NV_NAN) && defined(LDBL_NAN)
2621# define NV_NAN LDBL_NAN
2622# endif
2623# if !defined(NV_NAN) && defined(LDBL_QNAN)
2624# define NV_NAN LDBL_QNAN
2625# endif
2626# if !defined(NV_NAN) && defined(LDBL_SNAN)
2627# define NV_NAN LDBL_SNAN
2628# endif
2629#endif
2630#if !defined(NV_NAN) && defined(DBL_NAN)
2631# define NV_NAN (NV)DBL_NAN
2632#endif
2633#if !defined(NV_NAN) && defined(DBL_QNAN)
2634# define NV_NAN (NV)DBL_QNAN
2635#endif
2636#if !defined(NV_NAN) && defined(DBL_SNAN)
2637# define NV_NAN (NV)DBL_SNAN
2638#endif
2639#if !defined(NV_NAN) && defined(QNAN)
2640# define NV_NAN (NV)QNAN
2641#endif
2642#if !defined(NV_NAN) && defined(SNAN)
2643# define NV_NAN (NV)SNAN
2644#endif
2645#if !defined(NV_NAN) && defined(NAN)
2646# define NV_NAN (NV)NAN
2647#endif
2648
a0d0e21e 2649#ifndef __cplusplus
8f1f23e8 2650# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2651char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2652# else
fd8cd3a3 2653# if !defined(WIN32) && !defined(VMS)
20ce7b12 2654char *crypt (const char*, const char*);
5014db98 2655# endif /* !WIN32 */
8f1f23e8 2656# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2657# ifndef DONT_DECLARE_STD
2658# ifndef getenv
20ce7b12 2659char *getenv (const char*);
26618a56 2660# endif /* !getenv */
28ca6303 2661# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2662# ifdef _FILE_OFFSET_BITS
28ca6303 2663# if _FILE_OFFSET_BITS == 64
20ce7b12 2664Off_t lseek (int,Off_t,int);
0fc67700
JH		 2665# endif
2666# endif
bf0c440f 2667# endif
26618a56 2668# endif /* !DONT_DECLARE_STD */
20ce7b12 2669char *getlogin (void);
26618a56 2670#endif /* !__cplusplus */
79072805 2671
16d20bd9 2672#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2673#define UNLINK unlnk
20ce7b12 2674I32 unlnk (char*);
8d063cd8 2675#else
80252599 2676#define UNLINK PerlLIO_unlink
8d063cd8 2677#endif
a687059c 2678
fa0a29af
JH		 2679/* some versions of glibc are missing the setresuid() proto */
2680#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2681int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2682#endif
fa0a29af
JH		 2683/* some versions of glibc are missing the setresgid() proto */
2684#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2685int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2686#endif
2687
fe14fcc3 2688#ifndef HAS_SETREUID
85e6fe83
LW		 2689# ifdef HAS_SETRESUID
2690# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2691# define HAS_SETREUID
2692# endif
a687059c 2693#endif
fe14fcc3 2694#ifndef HAS_SETREGID
85e6fe83
LW		 2695# ifdef HAS_SETRESGID
2696# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2697# define HAS_SETREGID
2698# endif
a687059c 2699#endif
ee0007ab 2700
d543acb6 2701/* Sighandler_t defined in iperlsys.h */
ff68c719 2702
2703#ifdef HAS_SIGACTION
2704typedef struct sigaction Sigsave_t;
2705#else
2706typedef Sighandler_t Sigsave_t;
2707#endif
2708
ee0007ab
LW		 2709#define SCAN_DEF 0
2710#define SCAN_TR 1
2711#define SCAN_REPL 2
79072805
LW		 2712
2713#ifdef DEBUGGING
4633a7c4 2714# ifndef register
a0d0e21e
LW		 2715# define register
2716# endif
2717# define PAD_SV(po) pad_sv(po)
cea2e8a9 2718# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2719#else
6b88bc9c 2720# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2721# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2722#endif
2723
18f739ee 2724#ifdef MYMALLOC
772fe5b3 2725# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2726# define MALLOC_INIT \
2727 STMT_START { \
2728 PL_malloc_mutex = NULL; \
2729 MUTEX_INIT(&PL_malloc_mutex); \
2730 } STMT_END
2731# define MALLOC_TERM \
2732 STMT_START { \
2733 perl_mutex tmp = PL_malloc_mutex; \
2734 PL_malloc_mutex = NULL; \
2735 MUTEX_DESTROY(&tmp); \
2736 } STMT_END
2737# else
2738# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2739# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2740# endif
18f739ee
IZ		 2741#else
2742# define MALLOC_INIT
2743# define MALLOC_TERM
2744#endif
2745
b6d9d515 2746
0cb96387
GS		 2747typedef int (CPERLscope(*runops_proc_t)) (pTHX);
2748typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2749
940cb80d 2750/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2751#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2752
8f1f23e8
W		 2753/* NeXT has problems with crt0.o globals */
2754#if defined(__DYNAMIC__) && \
2755 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2756# if defined(NeXT) || defined(__NeXT)
2757# include <mach-o/dyld.h>
2758# define environ (*environ_pointer)
0c30d9ec 2759EXT char *** environ_pointer;
8f1f23e8 2760# else
82cabb9e 2761# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W		 2762# include <crt_externs.h> /* for the env array */
2763# define environ (*_NSGetEnviron())
2764# endif
0c30d9ec 2765# endif
8f1f23e8
W		 2766#else
2767 /* VMS and some other platforms don't use the environ array */
13b6e58c 2768# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2769# if !defined(DONT_DECLARE_STD) || \
2770 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2771 defined(__sgi) || \
d460ef45 2772 defined(__DGUX)
8f1f23e8 2773extern char ** environ; /* environment variables supplied via exec */
a6c40364 2774# endif
8f1f23e8
W		 2775# endif
2776#endif
79072805 2777
73c4f7a1
GS		 2778START_EXTERN_C
2779
79072805 2780/* handy constants */
22c35a8c 2781EXTCONST char PL_warn_uninit[]
b89fed5f 2782 INIT("Use of uninitialized value%s%s");
22c35a8c 2783EXTCONST char PL_warn_nosemi[]
463ee0b2 2784 INIT("Semicolon seems to be missing");
22c35a8c 2785EXTCONST char PL_warn_reserved[]
463ee0b2 2786 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2787EXTCONST char PL_warn_nl[]
93a17b20 2788 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2789EXTCONST char PL_no_wrongref[]
a0d0e21e 2790 INIT("Can't use %s ref as %s ref");
22c35a8c 2791EXTCONST char PL_no_symref[]
748a9306 2792 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2793EXTCONST char PL_no_usym[]
8990e307 2794 INIT("Can't use an undefined value as %s reference");
22c35a8c 2795EXTCONST char PL_no_aelem[]
93a17b20 2796 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2797EXTCONST char PL_no_helem[]
93a17b20 2798 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2799EXTCONST char PL_no_modify[]
93a17b20 2800 INIT("Modification of a read-only value attempted");
22c35a8c 2801EXTCONST char PL_no_mem[]
93a17b20 2802 INIT("Out of memory!\n");
22c35a8c 2803EXTCONST char PL_no_security[]
463ee0b2 2804 INIT("Insecure dependency in %s%s");
22c35a8c 2805EXTCONST char PL_no_sock_func[]
93a17b20 2806 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2807EXTCONST char PL_no_dir_func[]
93a17b20 2808 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2809EXTCONST char PL_no_func[]
93a17b20 2810 INIT("The %s function is unimplemented");
22c35a8c 2811EXTCONST char PL_no_myglob[]
748a9306 2812 INIT("\"my\" variable %s can't be in a package");
93a17b20 2813
7575fa06 2814EXTCONST char PL_uuemap[65]
80252599
GS		 2815 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2816
2817
79072805 2818#ifdef DOINIT
22c35a8c
GS		 2819EXT char *PL_sig_name[] = { SIG_NAME };
2820EXT int PL_sig_num[] = { SIG_NUM };
79072805 2821#else
22c35a8c
GS		 2822EXT char *PL_sig_name[];
2823EXT int PL_sig_num[];
79072805
LW		 2824#endif
2825
3bd709b1 2826/* fast conversion and case folding tables */
bbce6d69 2827
79072805 2828#ifdef DOINIT
9d116dd7 2829#ifdef EBCDIC
22c35a8c 2830EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 2831 0, 1, 2, 3, 4, 5, 6, 7,
2832 8, 9, 10, 11, 12, 13, 14, 15,
2833 16, 17, 18, 19, 20, 21, 22, 23,
2834 24, 25, 26, 27, 28, 29, 30, 31,
2835 32, 33, 34, 35, 36, 37, 38, 39,
2836 40, 41, 42, 43, 44, 45, 46, 47,
2837 48, 49, 50, 51, 52, 53, 54, 55,
2838 56, 57, 58, 59, 60, 61, 62, 63,
2839 64, 65, 66, 67, 68, 69, 70, 71,
2840 72, 73, 74, 75, 76, 77, 78, 79,
2841 80, 81, 82, 83, 84, 85, 86, 87,
2842 88, 89, 90, 91, 92, 93, 94, 95,
2843 96, 97, 98, 99, 100, 101, 102, 103,
2844 104, 105, 106, 107, 108, 109, 110, 111,
2845 112, 113, 114, 115, 116, 117, 118, 119,
2846 120, 121, 122, 123, 124, 125, 126, 127,
2847 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2848 'H', 'I', 138, 139, 140, 141, 142, 143,
2849 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2850 'Q', 'R', 154, 155, 156, 157, 158, 159,
2851 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2852 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2853 176, 177, 178, 179, 180, 181, 182, 183,
2854 184, 185, 186, 187, 188, 189, 190, 191,
2855 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2856 'h', 'i', 202, 203, 204, 205, 206, 207,
2857 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2858 'q', 'r', 218, 219, 220, 221, 222, 223,
2859 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2860 'y', 'z', 234, 235, 236, 237, 238, 239,
2861 240, 241, 242, 243, 244, 245, 246, 247,
2862 248, 249, 250, 251, 252, 253, 254, 255
2863};
2864#else /* ascii rather than ebcdic */
22c35a8c 2865EXTCONST unsigned char PL_fold[] = {
79072805
LW		 2866 0, 1, 2, 3, 4, 5, 6, 7,
2867 8, 9, 10, 11, 12, 13, 14, 15,
2868 16, 17, 18, 19, 20, 21, 22, 23,
2869 24, 25, 26, 27, 28, 29, 30, 31,
2870 32, 33, 34, 35, 36, 37, 38, 39,
2871 40, 41, 42, 43, 44, 45, 46, 47,
2872 48, 49, 50, 51, 52, 53, 54, 55,
2873 56, 57, 58, 59, 60, 61, 62, 63,
2874 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2875 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2876 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2877 'x', 'y', 'z', 91, 92, 93, 94, 95,
2878 96, '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', 123, 124, 125, 126, 127,
2882 128, 129, 130, 131, 132, 133, 134, 135,
2883 136, 137, 138, 139, 140, 141, 142, 143,
2884 144, 145, 146, 147, 148, 149, 150, 151,
2885 152, 153, 154, 155, 156, 157, 158, 159,
2886 160, 161, 162, 163, 164, 165, 166, 167,
2887 168, 169, 170, 171, 172, 173, 174, 175,
2888 176, 177, 178, 179, 180, 181, 182, 183,
2889 184, 185, 186, 187, 188, 189, 190, 191,
2890 192, 193, 194, 195, 196, 197, 198, 199,
2891 200, 201, 202, 203, 204, 205, 206, 207,
2892 208, 209, 210, 211, 212, 213, 214, 215,
2893 216, 217, 218, 219, 220, 221, 222, 223,
2894 224, 225, 226, 227, 228, 229, 230, 231,
2895 232, 233, 234, 235, 236, 237, 238, 239,
2896 240, 241, 242, 243, 244, 245, 246, 247,
2897 248, 249, 250, 251, 252, 253, 254, 255
2898};
9d116dd7 2899#endif /* !EBCDIC */
79072805 2900#else
22c35a8c 2901EXTCONST unsigned char PL_fold[];
79072805
LW		 2902#endif
2903
2904#ifdef DOINIT
22c35a8c 2905EXT unsigned char PL_fold_locale[] = {
79072805
LW		 2906 0, 1, 2, 3, 4, 5, 6, 7,
2907 8, 9, 10, 11, 12, 13, 14, 15,
2908 16, 17, 18, 19, 20, 21, 22, 23,
2909 24, 25, 26, 27, 28, 29, 30, 31,
2910 32, 33, 34, 35, 36, 37, 38, 39,
2911 40, 41, 42, 43, 44, 45, 46, 47,
2912 48, 49, 50, 51, 52, 53, 54, 55,
2913 56, 57, 58, 59, 60, 61, 62, 63,
2914 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2915 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2916 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2917 'x', 'y', 'z', 91, 92, 93, 94, 95,
2918 96, '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', 123, 124, 125, 126, 127,
2922 128, 129, 130, 131, 132, 133, 134, 135,
2923 136, 137, 138, 139, 140, 141, 142, 143,
2924 144, 145, 146, 147, 148, 149, 150, 151,
2925 152, 153, 154, 155, 156, 157, 158, 159,
2926 160, 161, 162, 163, 164, 165, 166, 167,
2927 168, 169, 170, 171, 172, 173, 174, 175,
2928 176, 177, 178, 179, 180, 181, 182, 183,
2929 184, 185, 186, 187, 188, 189, 190, 191,
2930 192, 193, 194, 195, 196, 197, 198, 199,
2931 200, 201, 202, 203, 204, 205, 206, 207,
2932 208, 209, 210, 211, 212, 213, 214, 215,
2933 216, 217, 218, 219, 220, 221, 222, 223,
2934 224, 225, 226, 227, 228, 229, 230, 231,
2935 232, 233, 234, 235, 236, 237, 238, 239,
2936 240, 241, 242, 243, 244, 245, 246, 247,
2937 248, 249, 250, 251, 252, 253, 254, 255
2938};
2939#else
22c35a8c 2940EXT unsigned char PL_fold_locale[];
79072805
LW		 2941#endif
2942
2943#ifdef DOINIT
9d116dd7 2944#ifdef EBCDIC
22c35a8c 2945EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 2946 1, 2, 84, 151, 154, 155, 156, 157,
2947 165, 246, 250, 3, 158, 7, 18, 29,
2948 40, 51, 62, 73, 85, 96, 107, 118,
2949 129, 140, 147, 148, 149, 150, 152, 153,
2950 255, 6, 8, 9, 10, 11, 12, 13,
2951 14, 15, 24, 25, 26, 27, 28, 226,
2952 29, 30, 31, 32, 33, 43, 44, 45,
2953 46, 47, 48, 49, 50, 76, 77, 78,
2954 79, 80, 81, 82, 83, 84, 85, 86,
2955 87, 94, 95, 234, 181, 233, 187, 190,
2956 180, 96, 97, 98, 99, 100, 101, 102,
2957 104, 112, 182, 174, 236, 232, 229, 103,
2958 228, 226, 114, 115, 116, 117, 118, 119,
2959 120, 121, 122, 235, 176, 230, 194, 162,
2960 130, 131, 132, 133, 134, 135, 136, 137,
2961 138, 139, 201, 205, 163, 217, 220, 224,
2962 5, 248, 227, 244, 242, 255, 241, 231,
2963 240, 253, 16, 197, 19, 20, 21, 187,
2964 23, 169, 210, 245, 237, 249, 247, 239,
2965 168, 252, 34, 196, 36, 37, 38, 39,
2966 41, 42, 251, 254, 238, 223, 221, 213,
2967 225, 177, 52, 53, 54, 55, 56, 57,
2968 58, 59, 60, 61, 63, 64, 65, 66,
2969 67, 68, 69, 70, 71, 72, 74, 75,
2970 205, 208, 186, 202, 200, 218, 198, 179,
2971 178, 214, 88, 89, 90, 91, 92, 93,
2972 217, 166, 170, 207, 199, 209, 206, 204,
2973 160, 212, 105, 106, 108, 109, 110, 111,
2974 203, 113, 216, 215, 192, 175, 193, 243,
2975 172, 161, 123, 124, 125, 126, 127, 128,
2976 222, 219, 211, 195, 188, 193, 185, 184,
2977 191, 183, 141, 142, 143, 144, 145, 146
2978};
2979#else /* ascii rather than ebcdic */
22c35a8c 2980EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 2981 1, 2, 84, 151, 154, 155, 156, 157,
2982 165, 246, 250, 3, 158, 7, 18, 29,
2983 40, 51, 62, 73, 85, 96, 107, 118,
2984 129, 140, 147, 148, 149, 150, 152, 153,
2985 255, 182, 224, 205, 174, 176, 180, 217,
2986 233, 232, 236, 187, 235, 228, 234, 226,
2987 222, 219, 211, 195, 188, 193, 185, 184,
2988 191, 183, 201, 229, 181, 220, 194, 162,
2989 163, 208, 186, 202, 200, 218, 198, 179,
2990 178, 214, 166, 170, 207, 199, 209, 206,
2991 204, 160, 212, 216, 215, 192, 175, 173,
2992 243, 172, 161, 190, 203, 189, 164, 230,
2993 167, 248, 227, 244, 242, 255, 241, 231,
2994 240, 253, 169, 210, 245, 237, 249, 247,
2995 239, 168, 252, 251, 254, 238, 223, 221,
2996 213, 225, 177, 197, 171, 196, 159, 4,
2997 5, 6, 8, 9, 10, 11, 12, 13,
2998 14, 15, 16, 17, 19, 20, 21, 22,
2999 23, 24, 25, 26, 27, 28, 30, 31,
3000 32, 33, 34, 35, 36, 37, 38, 39,
3001 41, 42, 43, 44, 45, 46, 47, 48,
3002 49, 50, 52, 53, 54, 55, 56, 57,
3003 58, 59, 60, 61, 63, 64, 65, 66,
3004 67, 68, 69, 70, 71, 72, 74, 75,
3005 76, 77, 78, 79, 80, 81, 82, 83,
3006 86, 87, 88, 89, 90, 91, 92, 93,
3007 94, 95, 97, 98, 99, 100, 101, 102,
3008 103, 104, 105, 106, 108, 109, 110, 111,
3009 112, 113, 114, 115, 116, 117, 119, 120,
3010 121, 122, 123, 124, 125, 126, 127, 128,
3011 130, 131, 132, 133, 134, 135, 136, 137,
3012 138, 139, 141, 142, 143, 144, 145, 146
3013};
9d116dd7 3014#endif
79072805 3015#else
22c35a8c 3016EXTCONST unsigned char PL_freq[];
79072805
LW		 3017#endif
3018
8990e307
LW		 3019#ifdef DEBUGGING
3020#ifdef DOINIT
22c35a8c 3021EXTCONST char* PL_block_type[] = {
8990e307
LW		 3022 "NULL",
3023 "SUB",
3024 "EVAL",
3025 "LOOP",
3026 "SUBST",
3027 "BLOCK",
3028};
3029#else
22c35a8c 3030EXTCONST char* PL_block_type[];
8990e307
LW		 3031#endif
3032#endif
3033
73c4f7a1
GS		 3034END_EXTERN_C
3035
79072805
LW		 3036/*****************************************************************************/
3037/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3038/*****************************************************************************/
8990e307 3039/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3040
a0d0e21e
LW		 3041#include "perly.h"
3042
fb73857a 3043#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3044
79072805
LW		 3045typedef enum {
3046 XOPERATOR,
3047 XTERM,
79072805 3048 XREF,
8990e307 3049 XSTATE,
a0d0e21e 3050 XBLOCK,
09bef843
SB		 3051 XATTRBLOCK,
3052 XATTRTERM,
a0d0e21e 3053 XTERMBLOCK
79072805
LW		 3054} expectation;
3055
dc9e4912
GS		 3056enum { /* pass one of these to get_vtbl */
3057 want_vtbl_sv,
3058 want_vtbl_env,
3059 want_vtbl_envelem,
3060 want_vtbl_sig,
3061 want_vtbl_sigelem,
3062 want_vtbl_pack,
3063 want_vtbl_packelem,
3064 want_vtbl_dbline,
3065 want_vtbl_isa,
3066 want_vtbl_isaelem,
3067 want_vtbl_arylen,
3068 want_vtbl_glob,
3069 want_vtbl_mglob,
3070 want_vtbl_nkeys,
3071 want_vtbl_taint,
3072 want_vtbl_substr,
3073 want_vtbl_vec,
3074 want_vtbl_pos,
3075 want_vtbl_bm,
3076 want_vtbl_fm,
3077 want_vtbl_uvar,
3078 want_vtbl_defelem,
3079 want_vtbl_regexp,
3080 want_vtbl_collxfrm,
3081 want_vtbl_amagic,
3082 want_vtbl_amagicelem,
4d1ff10f 3083#ifdef USE_5005THREADS
dc9e4912
GS		 3084 want_vtbl_mutex,
3085#endif
3086 want_vtbl_regdata,
810b8aa5
GS		 3087 want_vtbl_regdatum,
3088 want_vtbl_backref
dc9e4912
GS		 3089};
3090
85e6fe83
LW		 3091 /* Note: the lowest 8 bits are reserved for
3092 stuffing into op->op_private */
f3aa04c2 3093#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW		 3094#define HINT_INTEGER 0x00000001
3095#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH		 3096#define HINT_LOCALE 0x00000004
3097#define HINT_BYTES 0x00000008
393fec97 3098/* #define HINT_notused10 0x00000010 */
a0ed51b3 3099 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW		 3100
3101#define HINT_BLOCK_SCOPE 0x00000100
3102#define HINT_STRICT_SUBS 0x00000200
3103#define HINT_STRICT_VARS 0x00000400
3104
b3ac6de7
IZ		 3105#define HINT_NEW_INTEGER 0x00001000
3106#define HINT_NEW_FLOAT 0x00002000
3107#define HINT_NEW_BINARY 0x00004000
3108#define HINT_NEW_STRING 0x00008000
3109#define HINT_NEW_RE 0x00010000
3110#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3111
b3eb6a9b 3112#define HINT_RE_TAINT 0x00100000
e4d48cc9 3113#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3114
5ff3f7a4 3115#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3116#define HINT_UTF8 0x00800000
5ff3f7a4 3117
84d4ea48
JH		 3118#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3119#define HINT_SORT_QUICKSORT 0x00000001
3120#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3121#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3122
8bfdd7d9 3123/* Various states of the input record separator SV (rs) */
d4cce5f1 3124#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3125#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3126#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3127#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3128
128e8167 3129/* A struct for keeping various DEBUGGING related stuff,
ce333219 3130 * neatly packed. Currently only scratch variables for
128e8167
JH		 3131 * constructing debug output are included. Needed always,
3132 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3133struct perl_debug_pad {
3134 SV pad[3];
3135};
3136
3137#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
3138#define PERL_DEBUG_PAD_ZERO(i) (sv_setpvn(PERL_DEBUG_PAD(i), "", 0), PERL_DEBUG_PAD(i))
ce333219 3139
56953603 3140/* Enable variables which are pointers to functions */
a2efc822 3141typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3142typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3143typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3144 char* strend, char* strbeg, I32 minend,
3145 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3146typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3147 char *strpos, char *strend,
3148 U32 flags,
3149 struct re_scream_pos_data_s *d);
3150typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3151typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3152
c76ac1ee 3153typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3154typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3155typedef void (*SVFUNC_t) (pTHX_ SV*);
3156typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3157typedef void (*XSINIT_t) (pTHX);
3158typedef void (*ATEXIT_t) (pTHX_ void*);
3159typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3160
22239a37
NIS		 3161/* Set up PERLVAR macros for populating structs */
3162#define PERLVAR(var,type) type var;
51371543 3163#define PERLVARA(var,n,type) type var[n];
22239a37 3164#define PERLVARI(var,type,init) type var;
3fe35a81 3165#define PERLVARIC(var,type,init) type var;
22239a37 3166
58a50f62
GS		 3167/* Interpreter exitlist entry */
3168typedef struct exitlistentry {
acfe0abc 3169 void (*fn) (pTHX_ void*);
58a50f62
GS		 3170 void *ptr;
3171} PerlExitListEntry;
3172
22239a37
NIS		 3173#ifdef PERL_GLOBAL_STRUCT
3174struct perl_vars {
7766f137 3175# include "perlvars.h"
22239a37
NIS		 3176};
3177
7766f137 3178# ifdef PERL_CORE
533c011a
NIS		 3179EXT struct perl_vars PL_Vars;
3180EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3181# else /* PERL_CORE */
3182# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3183EXT
7766f137 3184# endif /* WIN32 */
533c011a 3185struct perl_vars *PL_VarsPtr;
7766f137
GS		 3186# define PL_Vars (*((PL_VarsPtr) \
3187 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3188# endif /* PERL_CORE */
22239a37
NIS		 3189#endif /* PERL_GLOBAL_STRUCT */
3190
acfe0abc 3191#if defined(MULTIPLICITY)
d460ef45 3192/* If we have multiple interpreters define a struct
d4cce5f1 3193 holding variables which must be per-interpreter
d460ef45 3194 If we don't have threads anything that would have
d4cce5f1
NIS		 3195 be per-thread is per-interpreter.
3196*/
3197
79072805 3198struct interpreter {
4d1ff10f 3199# ifndef USE_5005THREADS
7766f137
GS		 3200# include "thrdvar.h"
3201# endif
3202# include "intrpvar.h"
3203/*
3204 * The following is a buffer where new variables must
acfe0abc 3205 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3206 */
3207PERLVARA(object_compatibility,30, char)
49f531da 3208};
d4cce5f1 3209
79072805 3210#else
49f531da
NIS		 3211struct interpreter {
3212 char broiled;
3213};
acfe0abc 3214#endif /* MULTIPLICITY */
79072805 3215
4d1ff10f 3216#ifdef USE_5005THREADS
d4cce5f1
NIS		 3217/* If we have threads define a struct with all the variables
3218 * that have to be per-thread
49f531da 3219 */
8023c3ce 3220
79072805 3221
49f531da 3222struct perl_thread {
49f531da 3223#include "thrdvar.h"
79072805 3224};
d4cce5f1 3225
22fae026
TM		 3226typedef struct perl_thread *Thread;
3227
3228#else
3229typedef void *Thread;
22239a37
NIS		 3230#endif
3231
3232/* Done with PERLVAR macros for now ... */
d4cce5f1 3233#undef PERLVAR
51371543 3234#undef PERLVARA
d4cce5f1 3235#undef PERLVARI
3fe35a81 3236#undef PERLVARIC
79072805 3237
22239a37 3238#include "thread.h"
79072805 3239#include "pp.h"
864dbfa3
GS		 3240
3241#ifndef PERL_CALLCONV
3242# define PERL_CALLCONV
d460ef45 3243#endif
864dbfa3 3244
65f19062
GS		 3245#ifndef NEXT30_NO_ATTRIBUTE
3246# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3247# ifdef __attribute__ /* Avoid possible redefinition errors */
3248# undef __attribute__
3249# endif
3250# define __attribute__(attr)
3251# endif
3252#endif
3253
0cb96387
GS		 3254#undef PERL_CKDEF
3255#undef PERL_PPDEF
3256#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3257#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3258
7766f137 3259#include "proto.h"
864dbfa3 3260
0cb96387 3261/* this has structure inits, so it cannot be included before here */
acfe0abc 3262#include "opcode.h"
864dbfa3 3263
d4cce5f1
NIS		 3264/* The following must follow proto.h as #defines mess up syntax */
3265
22c35a8c
GS		 3266#if !defined(PERL_FOR_X2P)
3267# include "embedvar.h"
3268#endif
d4cce5f1 3269
d460ef45 3270/* Now include all the 'global' variables
d4cce5f1 3271 * If we don't have threads or multiple interpreters
d460ef45 3272 * these include variables that would have been their struct-s
d4cce5f1 3273 */
d460ef45 3274
533c011a 3275#define PERLVAR(var,type) EXT type PL_##var;
51371543 3276#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3277#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3278#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3279
acfe0abc 3280#if !defined(MULTIPLICITY)
7766f137 3281START_EXTERN_C
066ef5b5 3282# include "intrpvar.h"
4d1ff10f 3283# ifndef USE_5005THREADS
066ef5b5
GS		 3284# include "thrdvar.h"
3285# endif
7766f137 3286END_EXTERN_C
22239a37
NIS		 3287#endif
3288
acfe0abc 3289#if defined(WIN32)
66a93824 3290/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3291# include "embed.h"
acfe0abc 3292#endif
22239a37 3293
c5be433b
GS		 3294#ifndef PERL_GLOBAL_STRUCT
3295START_EXTERN_C
3296
3297# include "perlvars.h"
3298
3299END_EXTERN_C
3300#endif
3301
d4cce5f1 3302#undef PERLVAR
51371543 3303#undef PERLVARA
d4cce5f1 3304#undef PERLVARI
0f3f18a6 3305#undef PERLVARIC
79072805 3306
73c4f7a1
GS		 3307START_EXTERN_C
3308
79072805 3309#ifdef DOINIT
bbce6d69 3310
2b260de0
GS		 3311EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
3312 MEMBER_TO_FPTR(Perl_magic_set),
3313 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3314 0, 0};
2b260de0
GS		 3315EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3316 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3317 0};
2b260de0
GS		 3318EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3319 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3320 0};
22c35a8c 3321EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3322#ifdef PERL_MICRO
3323EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3324#else
2b260de0
GS		 3325EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3326 MEMBER_TO_FPTR(Perl_magic_setsig),
3327 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3328 0};
64ca3a65 3329#endif
2b260de0 3330EXT MGVTBL PL_vtbl_pack = {0, 0, MEMBER_TO_FPTR(Perl_magic_sizepack), MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3331 0};
2b260de0
GS		 3332EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
3333 MEMBER_TO_FPTR(Perl_magic_setpack),
3334 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3335 0};
2b260de0 3336EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3337 0, 0, 0};
2b260de0
GS		 3338EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3339 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3340 0};
2b260de0 3341EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3342 0, 0, 0};
2b260de0
GS		 3343EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3344 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3345 0, 0, 0};
2b260de0
GS		 3346EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3347 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3348 0, 0, 0};
2b260de0 3349EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3350 0, 0, 0};
2b260de0
GS		 3351EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3352 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3353 0, 0, 0};
2b260de0 3354EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3355 0, 0, 0};
2b260de0 3356EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr), MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3357 0, 0, 0};
2b260de0
GS		 3358EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
3359 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3360 0, 0, 0};
2b260de0
GS		 3361EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3362 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3363 0, 0, 0};
2b260de0 3364EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3365 0, 0, 0};
2b260de0 3366EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3367 0, 0, 0};
2b260de0
GS		 3368EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3369 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3370 0, 0, 0};
4d1ff10f 3371#ifdef USE_5005THREADS
2b260de0 3372EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0, MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3373#endif /* USE_5005THREADS */
2b260de0 3374EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3375 0, 0, 0};
a0d0e21e 3376
2b260de0
GS		 3377EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3378EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3379EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3380 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3381
36477c24 3382#ifdef USE_LOCALE_COLLATE
22c35a8c 3383EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3384 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3385 0, 0, 0};
3386#endif
a0d0e21e 3387
2b260de0
GS		 3388EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3389 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3390EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3391 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3392
810b8aa5 3393EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3394 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3395
d460ef45
NIS		 3396EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3397 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3398
bbce6d69 3399#else /* !DOINIT */
3400
22c35a8c
GS		 3401EXT MGVTBL PL_vtbl_sv;
3402EXT MGVTBL PL_vtbl_env;
3403EXT MGVTBL PL_vtbl_envelem;
3404EXT MGVTBL PL_vtbl_sig;
3405EXT MGVTBL PL_vtbl_sigelem;
3406EXT MGVTBL PL_vtbl_pack;
3407EXT MGVTBL PL_vtbl_packelem;
3408EXT MGVTBL PL_vtbl_dbline;
3409EXT MGVTBL PL_vtbl_isa;
3410EXT MGVTBL PL_vtbl_isaelem;
3411EXT MGVTBL PL_vtbl_arylen;
3412EXT MGVTBL PL_vtbl_glob;
3413EXT MGVTBL PL_vtbl_mglob;
3414EXT MGVTBL PL_vtbl_nkeys;
3415EXT MGVTBL PL_vtbl_taint;
3416EXT MGVTBL PL_vtbl_substr;
3417EXT MGVTBL PL_vtbl_vec;
3418EXT MGVTBL PL_vtbl_pos;
3419EXT MGVTBL PL_vtbl_bm;
3420EXT MGVTBL PL_vtbl_fm;
3421EXT MGVTBL PL_vtbl_uvar;
d460ef45 3422EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3423
4d1ff10f 3424#ifdef USE_5005THREADS
22c35a8c 3425EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3426#endif /* USE_5005THREADS */
f93b4edd 3427
22c35a8c
GS		 3428EXT MGVTBL PL_vtbl_defelem;
3429EXT MGVTBL PL_vtbl_regexp;
3430EXT MGVTBL PL_vtbl_regdata;
3431EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3432
36477c24 3433#ifdef USE_LOCALE_COLLATE
22c35a8c 3434EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3435#endif
a0d0e21e 3436
22c35a8c
GS		 3437EXT MGVTBL PL_vtbl_amagic;
3438EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3439
810b8aa5
GS		 3440EXT MGVTBL PL_vtbl_backref;
3441
bbce6d69 3442#endif /* !DOINIT */
85e6fe83 3443
f5284f61
IZ		 3444enum {
3445 fallback_amg, abs_amg,
3446 bool__amg, nomethod_amg,
3447 string_amg, numer_amg,
3448 add_amg, add_ass_amg,
3449 subtr_amg, subtr_ass_amg,
3450 mult_amg, mult_ass_amg,
3451 div_amg, div_ass_amg,
3452 modulo_amg, modulo_ass_amg,
3453 pow_amg, pow_ass_amg,
3454 lshift_amg, lshift_ass_amg,
3455 rshift_amg, rshift_ass_amg,
3456 band_amg, band_ass_amg,
3457 bor_amg, bor_ass_amg,
3458 bxor_amg, bxor_ass_amg,
3459 lt_amg, le_amg,
3460 gt_amg, ge_amg,
3461 eq_amg, ne_amg,
3462 ncmp_amg, scmp_amg,
3463 slt_amg, sle_amg,
3464 sgt_amg, sge_amg,
3465 seq_amg, sne_amg,
3466 not_amg, compl_amg,
3467 inc_amg, dec_amg,
3468 atan2_amg, cos_amg,
3469 sin_amg, exp_amg,
3470 log_amg, sqrt_amg,
3471 repeat_amg, repeat_ass_amg,
3472 concat_amg, concat_ass_amg,
3473 copy_amg, neg_amg,
3474 to_sv_amg, to_av_amg,
3475 to_hv_amg, to_gv_amg,
d460ef45 3476 to_cv_amg, iter_amg,
f216259d
IZ		 3477 int_amg, DESTROY_amg,
3478 max_amg_code
64a0062a 3479 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3480};
3481
3482#define NofAMmeth max_amg_code
89ffc314 3483#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3484
a0d0e21e 3485#ifdef DOINIT
22c35a8c 3486EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3487 /* Names kept in the symbol table. fallback => "()", the rest has
3488 "(" prepended. The only other place in perl which knows about
3489 this convention is AMG_id2name (used for debugging output and
3490 'nomethod' only), the only other place which has it hardwired is
3491 overload.pm. */
3492 "()", "(abs", /* "fallback" should be the first. */
3493 "(bool", "(nomethod",
3494 "(\"\"", "(0+",
3495 "(+", "(+=",
3496 "(-", "(-=",
3497 "(*", "(*=",
3498 "(/", "(/=",
3499 "(%", "(%=",
3500 "(**", "(**=",
3501 "(<<", "(<<=",
3502 "(>>", "(>>=",
3503 "(&", "(&=",
3504 "(|", "(|=",
3505 "(^", "(^=",
3506 "(<", "(<=",
3507 "(>", "(>=",
3508 "(==", "(!=",
3509 "(<=>", "(cmp",
3510 "(lt", "(le",
3511 "(gt", "(ge",
3512 "(eq", "(ne",
3513 "(!", "(~",
3514 "(++", "(--",
3515 "(atan2", "(cos",
3516 "(sin", "(exp",
3517 "(log", "(sqrt",
3518 "(x", "(x=",
3519 "(.", "(.=",
3520 "(=", "(neg",
3521 "(${}", "(@{}",
3522 "(%{}", "(*{}",
3523 "(&{}", "(<>",
f216259d 3524 "(int", "DESTROY",
a0d0e21e
LW		 3525};
3526#else
22c35a8c 3527EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3528#endif /* def INITAMAGIC */
3529
73c4f7a1
GS		 3530END_EXTERN_C
3531
a6006777 3532struct am_table {
a0d0e21e
LW		 3533 long was_ok_sub;
3534 long was_ok_am;
a6006777 3535 U32 flags;
3536 CV* table[NofAMmeth];
a0d0e21e
LW		 3537 long fallback;
3538};
a6006777 3539struct am_table_short {
3540 long was_ok_sub;
3541 long was_ok_am;
3542 U32 flags;
3543};
a0d0e21e 3544typedef struct am_table AMT;
a6006777 3545typedef struct am_table_short AMTS;
a0d0e21e
LW		 3546
3547#define AMGfallNEVER 1
3548#define AMGfallNO 2
3549#define AMGfallYES 3
3550
a6006777 3551#define AMTf_AMAGIC 1
32251b26 3552#define AMTf_OVERLOADED 2
a6006777 3553#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3554#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3555#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3556#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3557#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3558#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3559
32251b26 3560#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3561
3562/*
3563 * some compilers like to redefine cos et alia as faster
3564 * (and less accurate?) versions called F_cos et cetera (Quidquid
3565 * latine dictum sit, altum viditur.) This trick collides with
3566 * the Perl overloading (amg). The following #defines fool both.
3567 */
3568
3569#ifdef _FASTMATH
3570# ifdef atan2
3571# define F_atan2_amg atan2_amg
3572# endif
3573# ifdef cos
3574# define F_cos_amg cos_amg
3575# endif
3576# ifdef exp
3577# define F_exp_amg exp_amg
3578# endif
3579# ifdef log
3580# define F_log_amg log_amg
3581# endif
3582# ifdef pow
3583# define F_pow_amg pow_amg
3584# endif
3585# ifdef sin
3586# define F_sin_amg sin_amg
3587# endif
3588# ifdef sqrt
3589# define F_sqrt_amg sqrt_amg
3590# endif
3591#endif /* _FASTMATH */
3592
83ee9e09
GS		 3593#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3594 PERLDBf_NOOPT | PERLDBf_INTER | \
3595 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3596 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3597 /* No _NONAME, _GOTO */
3598#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3599#define PERLDBf_LINE 0x02 /* Keep line # */
3600#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3601#define PERLDBf_INTER 0x08 /* Preserve more data for
3602 later inspections */
3603#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3604#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3605#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3606#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3607#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3608#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3609
3280af22
NIS		 3610#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3611#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3612#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3613#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3614#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3615#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3616#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3617#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3618#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3619#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3620
bbce6d69 3621
36477c24 3622#ifdef USE_LOCALE_NUMERIC
bbce6d69 3623
36477c24 3624#define SET_NUMERIC_STANDARD() \
ff4fed7c 3625 set_numeric_standard();
36477c24 3626
3627#define SET_NUMERIC_LOCAL() \
ff4fed7c 3628 set_numeric_local();
bbce6d69 3629
2de3dbcc
JH		 3630#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3631#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3632
3633#define IN_LOCALE \
3634 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3635
f93f4e46 3636#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3637 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3638 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3639
3640#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3641 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3642 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3643
3644#define RESTORE_NUMERIC_LOCAL() \
3645 if (was_local) SET_NUMERIC_LOCAL();
3646
3647#define RESTORE_NUMERIC_STANDARD() \
3648 if (was_standard) SET_NUMERIC_STANDARD();
3649
5b877257 3650#define Atof my_atof
097ee67d 3651
36477c24 3652#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3653
097ee67d
JH		 3654#define SET_NUMERIC_STANDARD() /**/
3655#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3656#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3657#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3658#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3659#define RESTORE_NUMERIC_LOCAL() /**/
3660#define RESTORE_NUMERIC_STANDARD() /**/
65202027 3661#define Atof Perl_atof
ad3e0f90 3662#define IN_LOCALE_RUNTIME 0
bbce6d69 3663
36477c24 3664#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3665
079290de 3666#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3667# ifdef __hpux
3668# define strtoll __strtoll /* secret handshake */
3669# endif
079290de
GS		 3670# if !defined(Strtol) && defined(HAS_STRTOLL)
3671# define Strtol strtoll
ad551343 3672# endif
28e5dec8
JH		 3673# if !defined(Strtol) && defined(HAS_STRTOQ)
3674# define Strtol strtoq
3675# endif
ff935051 3676/* is there atoq() anywhere? */
15b99d39 3677#endif
079290de
GS		 3678#if !defined(Strtol) && defined(HAS_STRTOL)
3679# define Strtol strtol
3680#endif
3681#ifndef Atol
3682/* It would be more fashionable to use Strtol() to define atol()
3683 * (as is done for Atoul(), see below) but for backward compatibility
3684 * we just assume atol(). */
76b882ba
JH		 3685# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
3686# define Atol atoll
3687# else
3688# define Atol atol
3689# endif
cf2093f6
JH		 3690#endif
3691
55eb892c 3692#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3693# ifdef __hpux
3694# define strtoull __strtoull /* secret handshake */
3695# endif
ad551343 3696# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3697# define Strtoul strtoull
15b99d39 3698# endif
079290de
GS		 3699# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3700# define Strtoul strtouq
3701# endif
76d49b1c 3702/* is there atouq() anywhere? */
ad551343 3703#endif
079290de
GS		 3704#if !defined(Strtoul) && defined(HAS_STRTOUL)
3705# define Strtoul strtoul
cf2093f6 3706#endif
079290de
GS		 3707#ifndef Atoul
3708# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3709#endif
cf2093f6 3710
e5c9fcd0 3711#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
d460ef45
NIS		 3712/*
3713 * Now we have __attribute__ out of the way
3714 * Remap printf
760ac839 3715 */
39455587 3716#undef printf
c745e42c
NIS		 3717#ifdef __GNUC__
3718#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3719#else
760ac839
LW		 3720#define printf PerlIO_stdoutf
3721#endif
c745e42c 3722#endif
760ac839 3723
06d86050
GS		 3724/* if these never got defined, they need defaults */
3725#ifndef PERL_SET_CONTEXT
3726# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3727#endif
3728
3729#ifndef PERL_GET_CONTEXT
3730# define PERL_GET_CONTEXT PERL_GET_INTERP
3731#endif
3732
3733#ifndef PERL_GET_THX
3734# define PERL_GET_THX ((void*)NULL)
3735#endif
3736
3737#ifndef PERL_SET_THX
3738# define PERL_SET_THX(t) NOOP
3739#endif
3740
a868473f
NIS		 3741#ifndef PERL_SCRIPT_MODE
3742#define PERL_SCRIPT_MODE "r"
3743#endif
3744
fba3b22e 3745/*
da927450
JH		 3746 * Some operating systems are stingy with stack allocation,
3747 * so perl may have to guard against stack overflow.
3748 */
3749#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3750#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3751#endif
3752
3753/*
3754 * Some nonpreemptive operating systems find it convenient to
3755 * check for asynchronous conditions after each op execution.
3756 * Keep this check simple, or it may slow down execution
3757 * massively.
3758 */
ce08f86c 3759
1d615522
JH		 3760#ifndef PERL_MICRO
3761# ifndef PERL_OLD_SIGNALS
2986a63f
JH		 3762# ifndef PERL_ASYNC_CHECK
3763# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3764# endif
1d615522 3765# endif
ce08f86c
NIS		 3766#endif
3767
da927450 3768#ifndef PERL_ASYNC_CHECK
1d615522 3769# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3770#endif
3771