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a0d0e21e 1/* perl.h
a687059c 2 *
bc89e66f 3 * Copyright (c) 1987-2001, Larry Wall
a687059c 4 *
352d5a3a
LW		 5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
8d063cd8 7 *
8d063cd8 8 */
85e6fe83
LW		 9#ifndef H_PERL
10#define H_PERL 1
8d063cd8 11
760ac839
LW		 12#ifdef PERL_FOR_X2P
13/*
d460ef45 14 * This file is being used for x2p stuff.
760ac839 15 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 16 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 17 */
55497cff 18#undef MULTIPLICITY
760ac839
LW		 19#undef USE_STDIO
20#define USE_STDIO
21#endif /* PERL_FOR_X2P */
22
0cb96387 23#define VOIDUSED 1
d460ef45 24#ifdef PERL_MICRO
12ae5dfc
JH		 25# include "uconfig.h"
26#else
27# include "config.h"
28#endif
0cb96387 29
aaacdc8b
GS		 30#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
31# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
32#endif
33
34/* XXX This next guard can disappear if the sources are revised
35 to use USE_5005THREADS throughout. -- A.D 1/6/2000
36*/
4d1ff10f
AB		 37#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
38# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
aaacdc8b
GS		 39#endif
40
2c2d71f5
JH		 41/* See L<perlguts/"The Perl API"> for detailed notes on
42 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
43
6f4183fe 44#ifdef USE_ITHREADS
acfe0abc 45# if !defined(MULTIPLICITY)
6f4183fe
GS		 46# define MULTIPLICITY
47# endif
48#endif
49
4d1ff10f 50#ifdef USE_5005THREADS
c5be433b
GS		 51# ifndef PERL_IMPLICIT_CONTEXT
52# define PERL_IMPLICIT_CONTEXT
53# endif
c5be433b
GS		 54#endif
55
c5be433b
GS		 56#if defined(MULTIPLICITY)
57# ifndef PERL_IMPLICIT_CONTEXT
58# define PERL_IMPLICIT_CONTEXT
59# endif
c5be433b
GS		 60#endif
61
c5be433b 62#ifdef PERL_IMPLICIT_CONTEXT
4d1ff10f 63# ifdef USE_5005THREADS
c5be433b 64struct perl_thread;
24e8e624 65# define pTHX register struct perl_thread *thr PERL_UNUSED_DECL
c5be433b 66# define aTHX thr
411caa50 67# define dTHR dNOOP /* only backward compatibility */
fd89de3a 68# define dTHXa(a) pTHX = (struct perl_thread*)a
c5be433b 69# else
f63b9778
GS		 70# ifndef MULTIPLICITY
71# define MULTIPLICITY
72# endif
24e8e624 73# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
c5be433b 74# define aTHX my_perl
fd89de3a 75# define dTHXa(a) pTHX = (PerlInterpreter*)a
c5be433b 76# endif
fd89de3a 77# define dTHX pTHX = PERL_GET_THX
c5be433b 78# define pTHX_ pTHX,
c5be433b 79# define aTHX_ aTHX,
894356b3
GS		 80# define pTHX_1 2
81# define pTHX_2 3
82# define pTHX_3 4
83# define pTHX_4 5
c5be433b
GS		 84#endif
85
76e3520e
GS		 86#define STATIC static
87#define CPERLscope(x) x
565764a8 88#define CPERLarg void
76e3520e 89#define CPERLarg_
e3b8966e 90#define _CPERLarg
1d583055
GS		 91#define PERL_OBJECT_THIS
92#define _PERL_OBJECT_THIS
93#define PERL_OBJECT_THIS_
312caa8e 94#define CALL_FPTR(fptr) (*fptr)
76e3520e 95
312caa8e
CS		 96#define CALLRUNOPS CALL_FPTR(PL_runops)
97#define CALLREGCOMP CALL_FPTR(PL_regcompp)
98#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 99#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
100#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
101#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8
GS		 102
103#ifdef PERL_FLEXIBLE_EXCEPTIONS
104# define CALLPROTECT CALL_FPTR(PL_protect)
105#endif
312caa8e 106
44dbb695
JH		 107#ifdef HASATTRIBUTE
108# define PERL_UNUSED_DECL __attribute__((unused))
109#else
110# define PERL_UNUSED_DECL
111#endif
112
349b520e
DM		 113/* gcc -Wall:
114 * for silencing unused variables that are actually used most of the time,
115 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
116 */
117#define PERL_UNUSED_VAR(var) if (0) var = var
118
0cb96387 119#define NOOP (void)0
44dbb695 120#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 121
0cb96387
GS		 122#ifndef pTHX
123# define pTHX void
124# define pTHX_
0cb96387
GS		 125# define aTHX
126# define aTHX_
0cb96387
GS		 127# define dTHXa(a) dNOOP
128# define dTHX dNOOP
894356b3
GS		 129# define pTHX_1 1
130# define pTHX_2 2
131# define pTHX_3 3
132# define pTHX_4 4
0cb96387
GS		 133#endif
134
b4f7f263
GS		 135/* these are only defined for compatibility; should not be used internally */
136#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 137# define pTHXo pTHX
138# define pTHXo_ pTHX_
0cb96387
GS		 139# define aTHXo aTHX
140# define aTHXo_ aTHX_
c5be433b 141# define dTHXo dTHX
71d280e3 142# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 143#endif
144
145#ifndef pTHXx
146# define pTHXx register PerlInterpreter *my_perl
147# define pTHXx_ pTHXx,
0cb96387
GS		 148# define aTHXx my_perl
149# define aTHXx_ aTHXx,
c5be433b 150# define dTHXx dTHX
22c35a8c 151#endif
71be2cbc 152
1de7c2ac
GS		 153/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
154 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
155 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
156#ifdef PERL_IMPLICIT_SYS
157# define dTHXs dTHX
158#else
159# define dTHXs dNOOP
160#endif
161
326b05e3
GS		 162#undef START_EXTERN_C
163#undef END_EXTERN_C
164#undef EXTERN_C
32f822de
GS		 165#ifdef __cplusplus
166# define START_EXTERN_C extern "C" {
167# define END_EXTERN_C }
168# define EXTERN_C extern "C"
169#else
d460ef45
NIS		 170# define START_EXTERN_C
171# define END_EXTERN_C
73c4f7a1 172# define EXTERN_C extern
32f822de
GS		 173#endif
174
462e5cf6
MB		 175#ifdef OP_IN_REGISTER
176# ifdef __GNUC__
177# define stringify_immed(s) #s
178# define stringify(s) stringify_immed(s)
d1ca3daa 179register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 180# endif
181#endif
182
728e2803 183/*
184 * STMT_START { statements; } STMT_END;
185 * can be used as a single statement, as in
186 * if (x) STMT_START { ... } STMT_END; else ...
187 *
188 * Trying to select a version that gives no warnings...
189 */
190#if !(defined(STMT_START) && defined(STMT_END))
169d69b2 191# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
728e2803 192# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
193# define STMT_END )
194# else
195 /* Now which other defined()s do we need here ??? */
196# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
197# define STMT_START if (1)
198# define STMT_END else (void)0
199# else
200# define STMT_START do
201# define STMT_END while (0)
202# endif
203# endif
204#endif
205
0cb96387 206#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 207#define WITH_THR(s) WITH_THX(s)
ea0efc06 208
55497cff 209/*
210 * SOFT_CAST can be used for args to prototyped functions to retain some
211 * type checking; it only casts if the compiler does not know prototypes.
212 */
213#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
214#define SOFT_CAST(type)
215#else
216#define SOFT_CAST(type) (type)
217#endif
79072805 218
6ee623d5 219#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
79072805
LW		 220# define BYTEORDER 0x1234
221#endif
222
223/* Overall memory policy? */
224#ifndef CONSERVATIVE
225# define LIBERAL 1
226#endif
227
8ada0baa
JH		 228#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
229#define ASCIIish
230#else
231#undef ASCIIish
232#endif
233
79072805
LW		 234/*
235 * The following contortions are brought to you on behalf of all the
236 * standards, semi-standards, de facto standards, not-so-de-facto standards
237 * of the world, as well as all the other botches anyone ever thought of.
238 * The basic theory is that if we work hard enough here, the rest of the
239 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
240 */
ac58e20f 241
ee0007ab 242/* define this once if either system, instead of cluttering up the src */
2986a63f 243#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 244#define DOSISH 1
245#endif
246
2986a63f 247#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 248# define STANDARD_C 1
249#endif
250
2986a63f 251#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
68dc0745 252# define DONT_DECLARE_STD 1
253#endif
254
352d5a3a 255#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805
LW		 256# ifdef __cplusplus
257# define VOL // to temporarily suppress warnings
258# else
259# define VOL volatile
260# endif
663a0e37 261#else
79072805 262# define VOL
663a0e37
LW		 263#endif
264
3280af22
NIS		 265#define TAINT (PL_tainted = TRUE)
266#define TAINT_NOT (PL_tainted = FALSE)
267#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
268#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 269#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 270
d460ef45 271/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 272 defines move there? If so, I could simplify this a lot. --AD 9/96.
273*/
274/* Process group stuff changed from traditional BSD to POSIX.
275 perlfunc.pod documents the traditional BSD-style syntax, so we'll
276 try to preserve that, if possible.
277*/
278#ifdef HAS_SETPGID
279# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 280#else
a6e633de 281# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
282# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
283# else
284# ifdef HAS_SETPGRP2 /* DG/UX */
285# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
286# endif
287# endif
288#endif
289#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
290# define HAS_SETPGRP /* Well, effectively it does . . . */
291#endif
292
293/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
294 our life easier :-) so we'll try it.
295*/
296#ifdef HAS_GETPGID
297# define BSD_GETPGRP(pid) getpgid((pid))
298#else
299# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
300# define BSD_GETPGRP(pid) getpgrp((pid))
301# else
302# ifdef HAS_GETPGRP2 /* DG/UX */
303# define BSD_GETPGRP(pid) getpgrp2((pid))
304# endif
305# endif
306#endif
307#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
308# define HAS_GETPGRP /* Well, effectively it does . . . */
309#endif
310
d460ef45 311/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 312 have different behaviors, but perl.h used to define USE_BSDPGRP
313 (prior to 5.003_05) so some extension might depend on it.
314*/
315#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
316# ifndef USE_BSDPGRP
317# define USE_BSDPGRP
318# endif
663a0e37
LW		 319#endif
320
3d62afa2 321/* Use the reentrant APIs like localtime_r and getpwent_r */
d80aa559
GS		 322/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
323#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(WIN32)
d8916601 324# define USE_REENTRANT_API
3d62afa2
JH		 325#endif
326
8ac5a1fe
MH		 327/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
328 pthread.h must be included before all other header files.
329*/
4d1ff10f 330#if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) \
1feb2720 331 && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 332# include <pthread.h>
333#endif
334
760ac839
LW		 335#ifndef _TYPES_ /* If types.h defines this it's easy. */
336# ifndef major /* Does everyone's types.h define this? */
337# include <sys/types.h>
c07a80fd 338# endif
663a0e37
LW		 339#endif
340
760ac839
LW		 341#ifdef __cplusplus
342# ifndef I_STDARG
343# define I_STDARG 1
344# endif
345#endif
346
347#ifdef I_STDARG
348# include <stdarg.h>
349#else
350# ifdef I_VARARGS
351# include <varargs.h>
352# endif
353#endif
354
4633a7c4 355#ifdef USE_NEXT_CTYPE
0c30d9ec 356
092bebab
JH		 357#if NX_CURRENT_COMPILER_RELEASE >= 500
358# include <bsd/ctypes.h>
359#else
360# if NX_CURRENT_COMPILER_RELEASE >= 400
361# include <objc/NXCType.h>
362# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
363# include <appkit/NXCType.h>
364# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
365#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 366
367#else /* !USE_NEXT_CTYPE */
fe14fcc3 368#include <ctype.h>
0c30d9ec 369#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 370
371#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
372#undef METHOD
a0d0e21e
LW		 373#endif
374
12ae5dfc
JH		 375#ifdef PERL_MICRO
376# define NO_LOCALE
377#endif
378
4633a7c4 379#ifdef I_LOCALE
36477c24 380# include <locale.h>
4633a7c4
LW		 381#endif
382
36477c24 383#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
384# define USE_LOCALE
385# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
386 && defined(HAS_STRXFRM)
387# define USE_LOCALE_COLLATE
388# endif
389# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
390# define USE_LOCALE_CTYPE
391# endif
392# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
393# define USE_LOCALE_NUMERIC
394# endif
395#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 396
fe14fcc3 397#include <setjmp.h>
79072805 398
a0d0e21e 399#ifdef I_SYS_PARAM
79072805
LW		 400# ifdef PARAM_NEEDS_TYPES
401# include <sys/types.h>
402# endif
403# include <sys/param.h>
352d5a3a 404#endif
79072805 405
79072805 406/* Use all the "standard" definitions? */
a0d0e21e 407#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 408# include <stdlib.h>
ff68c719 409#endif
03a14243 410
3f270f98
JH		 411/* If this causes problems, set i_unistd=undef in the hint file. */
412#ifdef I_UNISTD
413# include <unistd.h>
414#endif
415
7114a2d2 416#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 417int syscall(int, ...);
418#endif
419
7114a2d2 420#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 421int usleep(unsigned int);
2ef53570
JH		 422#endif
423
9a34ef1d
GS		 424#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
425# define MYSWAP
426#endif
427
66a93824
NIS		 428/* Cannot include embed.h here on Win32 as win32.h has not
429 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
430 */
96e176bf 431#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 432# include "embed.h"
433#endif
434
c31fac66
GS		 435#define MEM_SIZE Size_t
436
51371543
GS		 437#if defined(STANDARD_C) && defined(I_STDDEF)
438# include <stddef.h>
439# define STRUCT_OFFSET(s,m) offsetof(s,m)
440#else
441# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
442#endif
443
444#if defined(I_STRING) || defined(__cplusplus)
445# include <string.h>
446#else
447# include <strings.h>
448#endif
449
55497cff 450/* This comes after <stdlib.h> so we don't try to change the standard
451 * library prototypes; we'll use our own in proto.h instead. */
03a14243 452
4633a7c4 453#ifdef MYMALLOC
86058a2d 454# ifdef PERL_POLLUTE_MALLOC
ee13e175 455# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 456# define Perl_malloc malloc
457# define Perl_calloc calloc
458# define Perl_realloc realloc
459# define Perl_mfree free
ee13e175 460# endif
86058a2d
GS		 461# else
462# define EMBEDMYMALLOC /* for compatibility */
463# endif
20ce7b12
GS		 464Malloc_t Perl_malloc (MEM_SIZE nbytes);
465Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
466Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
86058a2d
GS		 467/* 'mfree' rather than 'free', since there is already a 'perl_free'
468 * that causes clashes with case-insensitive linkers */
20ce7b12 469Free_t Perl_mfree (Malloc_t where);
55497cff 470
827e134a
GS		 471typedef struct perl_mstats perl_mstats_t;
472
651b9576
GS		 473# define safemalloc Perl_malloc
474# define safecalloc Perl_calloc
475# define saferealloc Perl_realloc
476# define safefree Perl_mfree
f2517201
GS		 477#else /* MYMALLOC */
478# define safemalloc safesysmalloc
479# define safecalloc safesyscalloc
480# define saferealloc safesysrealloc
481# define safefree safesysfree
55497cff 482#endif /* MYMALLOC */
4633a7c4 483
a0d0e21e
LW		 484#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
485#define strchr index
486#define strrchr rindex
487#endif
488
16d20bd9
AD		 489#ifdef I_MEMORY
490# include <memory.h>
491#endif
492
fe14fcc3 493#ifdef HAS_MEMCPY
85e6fe83 494# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 495# ifndef memcpy
20ce7b12 496 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 497# endif
498# endif
499#else
500# ifndef memcpy
501# ifdef HAS_BCOPY
502# define memcpy(d,s,l) bcopy(s,d,l)
503# else
504# define memcpy(d,s,l) my_bcopy(s,d,l)
505# endif
506# endif
507#endif /* HAS_MEMCPY */
fe14fcc3 508
ee0007ab 509#ifdef HAS_MEMSET
85e6fe83 510# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 511# ifndef memset
20ce7b12 512 extern char *memset (char*, int, int);
ee0007ab
LW		 513# endif
514# endif
ee0007ab 515#else
12ae5dfc 516# undef memset
fc36a67e 517# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 518#endif /* HAS_MEMSET */
519
85e6fe83 520#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 521# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 522# define memmove(d,s,l) bcopy(s,d,l)
523# else
2304df62 524# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 525# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 526# else
79072805 527# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 528# endif
352d5a3a 529# endif
d9d8d8de 530#endif
ee0007ab 531
36477c24 532#if defined(mips) && defined(ultrix) && !defined(__STDC__)
533# undef HAS_MEMCMP
534#endif
535
536#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 537# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 538# ifndef memcmp
20ce7b12 539 extern int memcmp (char*, char*, int);
ee0007ab
LW		 540# endif
541# endif
36477c24 542# ifdef BUGGY_MSC
543 # pragma function(memcmp)
544# endif
ee0007ab
LW		 545#else
546# ifndef memcmp
ecfc5424 547# define memcmp my_memcmp
352d5a3a 548# endif
36477c24 549#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 550
fc36a67e 551#ifndef memzero
c635e13b 552# ifdef HAS_MEMSET
553# define memzero(d,l) memset(d,0,l)
79072805 554# else
c635e13b 555# ifdef HAS_BZERO
556# define memzero(d,l) bzero(d,l)
79072805 557# else
fc36a67e 558# define memzero(d,l) my_bzero(d,l)
79072805
LW		 559# endif
560# endif
d9d8d8de 561#endif
378cc40b 562
0f27ced1
JH		 563#ifndef memchr
564# ifndef HAS_MEMCHR
565# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
566# endif
567#endif
568
36477c24 569#ifndef HAS_BCMP
570# ifndef bcmp
571# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 572# endif
36477c24 573#endif /* !HAS_BCMP */
378cc40b 574
ae986130 575#ifdef I_NETINET_IN
79072805 576# include <netinet/in.h>
ae986130
LW		 577#endif
578
28e8609d
JH		 579#ifdef I_ARPA_INET
580# include <arpa/inet.h>
581#endif
582
84902520
TB		 583#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
584/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
585 * (the neo-BSD seem to do this). */
586# undef SF_APPEND
587#endif
588
1aef975c 589#ifdef I_SYS_STAT
84902520 590# include <sys/stat.h>
1aef975c 591#endif
79072805 592
a0d0e21e
LW		 593/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
594 like UTekV) are broken, sometimes giving false positives. Undefine
595 them here and let the code below set them to proper values.
596
597 The ghs macro stands for GreenHills Software C-1.8.5 which
598 is the C compiler for sysV88 and the various derivatives.
599 This header file bug is corrected in gcc-2.5.8 and later versions.
600 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
601
602#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 603# undef S_ISDIR
604# undef S_ISCHR
605# undef S_ISBLK
606# undef S_ISREG
607# undef S_ISFIFO
608# undef S_ISLNK
ee0007ab 609#endif
135863df 610
663a0e37
LW		 611#ifdef I_TIME
612# include <time.h>
ffed7fef 613#endif
663a0e37 614
fe14fcc3 615#ifdef I_SYS_TIME
85e6fe83 616# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 617# define KERNEL
618# endif
619# include <sys/time.h>
85e6fe83 620# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 621# undef KERNEL
622# endif
a687059c 623#endif
135863df 624
55497cff 625#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 626# include <sys/times.h>
d9d8d8de 627#endif
8d063cd8 628
fe14fcc3 629#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 630# undef HAS_STRERROR
663a0e37
LW		 631#endif
632
633#include <errno.h>
1e743fda 634
acfe0abc 635#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 636# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
637#endif
638
4e0554ec
JH		 639/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */
640#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
641# define _SOCKADDR_LEN
642#endif
643
8d3f517a 644#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 645# include <sys/socket.h>
646# if defined(USE_SOCKS) && defined(I_SOCKS)
647# if !defined(INCLUDE_PROTOTYPES)
648# define INCLUDE_PROTOTYPES /* for <socks.h> */
649# define PERL_SOCKS_NEED_PROTOTYPES
650# endif
4d1ff10f 651# ifdef USE_5005THREADS
c3dedce1 652# define PERL_USE_THREADS /* store our value */
4d1ff10f 653# undef USE_5005THREADS
c3dedce1 654# endif
1e743fda 655# include <socks.h>
4d1ff10f
AB		 656# ifdef USE_5005THREADS
657# undef USE_5005THREADS /* socks.h does this on its own */
c3dedce1
JH		 658# endif
659# ifdef PERL_USE_THREADS
4d1ff10f 660# define USE_5005THREADS /* restore our value */
c3dedce1
JH		 661# undef PERL_USE_THREADS
662# endif
1e743fda
JH		 663# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
664# undef INCLUDE_PROTOTYPES
665# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 666# endif
d460ef45 667# endif
1e743fda 668# ifdef I_NETDB
2986a63f
JH		 669# ifdef NETWARE
670# include<stdio.h>
671# endif
1e743fda
JH		 672# include <netdb.h>
673# endif
674# ifndef ENOTSOCK
675# ifdef I_NET_ERRNO
676# include <net/errno.h>
677# endif
678# endif
679#endif
680
fa0a29af 681/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 682 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 683#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH		 684int sockatmark(int);
685#endif
686
1e743fda
JH		 687#ifdef SETERRNO
688# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 689#endif
f86702cc 690
691#ifdef VMS
692# define SETERRNO(errcode,vmserrcode) \
693 STMT_START { \
694 set_errno(errcode); \
695 set_vaxc_errno(vmserrcode); \
696 } STMT_END
748a9306 697#else
aba27d88 698# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
748a9306 699#endif
ed6116ce 700
4d1ff10f 701#ifdef USE_5005THREADS
38a03e6e 702# define ERRSV (thr->errsv)
940cb80d
MB		 703# define DEFSV THREADSV(0)
704# define SAVE_DEFSV save_threadsv(0)
38a03e6e 705#else
3280af22 706# define ERRSV GvSV(PL_errgv)
3280af22
NIS		 707# define DEFSV GvSV(PL_defgv)
708# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
4d1ff10f 709#endif /* USE_5005THREADS */
38a03e6e 710
98eae8f5
GS		 711#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
712
55497cff 713#ifndef errno
5ff3f7a4
GS		 714 extern int errno; /* ANSI allows errno to be an lvalue expr.
715 * For example in multithreaded environments
716 * something like this might happen:
717 * extern int *_errno(void);
718 * #define errno (*_errno()) */
d9d8d8de 719#endif
663a0e37 720
2304df62 721#ifdef HAS_STRERROR
a0d0e21e 722# ifdef VMS
20ce7b12 723 char *strerror (int,...);
a0d0e21e 724# else
68dc0745 725#ifndef DONT_DECLARE_STD
20ce7b12 726 char *strerror (int);
68dc0745 727#endif
a0d0e21e 728# endif
2304df62
AD		 729# ifndef Strerror
730# define Strerror strerror
731# endif
732#else
733# ifdef HAS_SYS_ERRLIST
79072805
LW		 734 extern int sys_nerr;
735 extern char *sys_errlist[];
2304df62
AD		 736# ifndef Strerror
737# define Strerror(e) \
79072805 738 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 739# endif
79072805 740# endif
35c8bce7 741#endif
663a0e37 742
2304df62 743#ifdef I_SYS_IOCTL
79072805
LW		 744# ifndef _IOCTL_
745# include <sys/ioctl.h>
746# endif
a687059c
LW		 747#endif
748
ee0007ab 749#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 750# ifdef HAS_SOCKETPAIR
751# undef HAS_SOCKETPAIR
752# endif
2304df62
AD		 753# ifdef I_NDBM
754# undef I_NDBM
79072805 755# endif
a687059c
LW		 756#endif
757
a687059c 758#if INTSIZE == 2
79072805
LW		 759# define htoni htons
760# define ntohi ntohs
a687059c 761#else
79072805
LW		 762# define htoni htonl
763# define ntohi ntohl
a687059c
LW		 764#endif
765
a0d0e21e 766/* Configure already sets Direntry_t */
35c8bce7 767#if defined(I_DIRENT)
663a0e37 768# include <dirent.h>
8f1f23e8
W		 769 /* NeXT needs dirent + sys/dir.h */
770# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 771# include <sys/dir.h>
772# endif
ae986130 773#else
fe14fcc3 774# ifdef I_SYS_NDIR
79a0689e 775# include <sys/ndir.h>
663a0e37 776# else
fe14fcc3 777# ifdef I_SYS_DIR
79a0689e
LW		 778# ifdef hp9000s500
779# include <ndir.h> /* may be wrong in the future */
780# else
781# include <sys/dir.h>
782# endif
663a0e37
LW		 783# endif
784# endif
4633a7c4 785#endif
a687059c 786
12ae5dfc
JH		 787#ifdef PERL_MICRO
788# ifndef DIR
789# define DIR void
790# endif
791#endif
792
352d5a3a
LW		 793#ifdef FPUTS_BOTCH
794/* work around botch in SunOS 4.0.1 and 4.0.2 */
795# ifndef fputs
79072805 796# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 797# endif
798#endif
799
c623bd54
LW		 800/*
801 * The following gobbledygook brought to you on behalf of __STDC__.
802 * (I could just use #ifndef __STDC__, but this is more bulletproof
803 * in the face of half-implementations.)
804 */
805
7114a2d2 806#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 807#include <sys/mode.h>
808#endif
809
c623bd54
LW		 810#ifndef S_IFMT
811# ifdef _S_IFMT
812# define S_IFMT _S_IFMT
813# else
814# define S_IFMT 0170000
815# endif
816#endif
817
818#ifndef S_ISDIR
819# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
820#endif
821
822#ifndef S_ISCHR
823# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
824#endif
825
826#ifndef S_ISBLK
fe14fcc3
LW		 827# ifdef S_IFBLK
828# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
829# else
830# define S_ISBLK(m) (0)
831# endif
c623bd54
LW		 832#endif
833
834#ifndef S_ISREG
835# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
836#endif
837
838#ifndef S_ISFIFO
fe14fcc3
LW		 839# ifdef S_IFIFO
840# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
841# else
842# define S_ISFIFO(m) (0)
843# endif
c623bd54
LW		 844#endif
845
846#ifndef S_ISLNK
847# ifdef _S_ISLNK
848# define S_ISLNK(m) _S_ISLNK(m)
849# else
850# ifdef _S_IFLNK
851# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
852# else
853# ifdef S_IFLNK
854# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
855# else
856# define S_ISLNK(m) (0)
857# endif
858# endif
859# endif
860#endif
861
862#ifndef S_ISSOCK
863# ifdef _S_ISSOCK
864# define S_ISSOCK(m) _S_ISSOCK(m)
865# else
866# ifdef _S_IFSOCK
867# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
868# else
869# ifdef S_IFSOCK
870# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
871# else
872# define S_ISSOCK(m) (0)
873# endif
874# endif
875# endif
876#endif
877
878#ifndef S_IRUSR
879# ifdef S_IREAD
880# define S_IRUSR S_IREAD
881# define S_IWUSR S_IWRITE
882# define S_IXUSR S_IEXEC
883# else
884# define S_IRUSR 0400
885# define S_IWUSR 0200
886# define S_IXUSR 0100
887# endif
fac7cdfc
JS		 888#endif
889
890#ifndef S_IRGRP
891# ifdef S_IRUSR
892# define S_IRGRP (S_IRUSR>>3)
893# define S_IWGRP (S_IWUSR>>3)
894# define S_IXGRP (S_IXUSR>>3)
895# else
896# define S_IRGRP 0040
897# define S_IWGRP 0020
898# define S_IXGRP 0010
899# endif
900#endif
901
902#ifndef S_IROTH
903# ifdef S_IRUSR
904# define S_IROTH (S_IRUSR>>6)
905# define S_IWOTH (S_IWUSR>>6)
906# define S_IXOTH (S_IXUSR>>6)
907# else
908# define S_IROTH 0040
909# define S_IWOTH 0020
910# define S_IXOTH 0010
911# endif
c623bd54
LW		 912#endif
913
914#ifndef S_ISUID
915# define S_ISUID 04000
916#endif
917
918#ifndef S_ISGID
919# define S_ISGID 02000
920#endif
921
ca6e1c26
JH		 922#ifndef S_IRWXU
923# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 924#endif
ca6e1c26
JH		 925
926#ifndef S_IRWXG
927# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 928#endif
ca6e1c26
JH		 929
930#ifndef S_IRWXO
931# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 932#endif
ca6e1c26 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
JH		 1755#if defined(__OPEN_VM)
1756# include "vmesa/vmesaish.h"
1757#endif
1758
748a9306 1759#ifdef DOSISH
4633a7c4
LW		 1760# if defined(OS2)
1761# include "os2ish.h"
1762# else
748a9306 1763# include "dosish.h"
4633a7c4 1764# endif
a0d0e21e 1765#else
748a9306
LW		 1766# if defined(VMS)
1767# include "vmsish.h"
96e176bf 1768# include "embed.h"
748a9306 1769# else
0c30d9ec 1770# if defined(PLAN9)
1771# include "./plan9/plan9ish.h"
1772# else
1d84e8df
JH		 1773# if defined(MPE)
1774# include "mpeix/mpeixish.h"
1775# else
495c5fdc
PG		 1776# if defined(__VOS__)
1777# include "vosish.h"
1778# else
4d2c4e07
OF		 1779# if defined(EPOC)
1780# include "epocish.h"
1781# else
cd39f2b6
JH		 1782# if defined(MACOS_TRADITIONAL)
1783# include "macos/macish.h"
2b3f4ecd
JH		 1784# ifndef NO_ENVIRON_ARRAY
1785# define NO_ENVIRON_ARRAY
1786# endif
cd39f2b6
JH		 1787# else
1788# include "unixish.h"
1789# endif
4d2c4e07 1790# endif
495c5fdc 1791# endif
1d84e8df 1792# endif
0c30d9ec 1793# endif
748a9306 1794# endif
13b6e58c
JH		 1795#endif
1796
1797#ifndef NO_ENVIRON_ARRAY
1798# define USE_ENVIRON_ARRAY
1799#endif
32f822de 1800
103a7189
JH		 1801#ifdef JPL
1802 /* E.g. JPL needs to operate on a copy of the real environment.
1803 * JDK 1.2 and 1.3 seem to get upset if the original environment
1804 * is diddled with. */
1805# define NEED_ENVIRON_DUP_FOR_MODIFY
1806#endif
1807
c77b533b
JH		 1808/*
1809 * initialise to avoid floating-point exceptions from overflow, etc
1810 */
1811#ifndef PERL_FPU_INIT
1812# ifdef HAS_FPSETMASK
1813# if HAS_FLOATINGPOINT_H
1814# include <floatingpoint.h>
1815# endif
1816# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1817# else
7014c407
JH		 1818# if defined(SIGFPE) && defined(SIG_IGN)
1819# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1820# else
1821# define PERL_FPU_INIT
1822# endif
c77b533b
JH		 1823# endif
1824#endif
1825
ed344e4f
IZ		 1826#ifndef PERL_SYS_INIT3
1827# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1828#endif
1829
be708cc0
JH		 1830#ifndef PERL_WRITE_MSG_TO_CONSOLE
1831# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1832#endif
1833
0f31cffe
GS		 1834#ifndef MAXPATHLEN
1835# ifdef PATH_MAX
b990c8b2
JH		 1836# ifdef _POSIX_PATH_MAX
1837# if PATH_MAX > _POSIX_PATH_MAX
1838/* MAXPATHLEN is supposed to include the final null character,
1839 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1840# define MAXPATHLEN (PATH_MAX+1)
1841# else
1842# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1843# endif
1844# else
1845# define MAXPATHLEN (PATH_MAX+1)
1846# endif
0f31cffe 1847# else
b990c8b2
JH		 1848# ifdef _POSIX_PATH_MAX
1849# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1850# else
1851# define MAXPATHLEN 1024 /* Err on the large side. */
1852# endif
0f31cffe
GS		 1853# endif
1854#endif
1855
d460ef45 1856/*
4d1ff10f 1857 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1858 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1859 * this results in many functions being undeclared which bothers C++
1860 * May make sense to have threads after "*ish.h" anyway
1861 */
1862
4d1ff10f
AB		 1863#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
1864# if defined(USE_5005THREADS)
79d59c5f
GS		 1865 /* pending resolution of licensing issues, we avoid the erstwhile
1866 * atomic.h everywhere */
1867# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1868# endif
2986a63f
JH		 1869# ifdef NETWARE
1870# include <nw5thread.h>
1871# else
32f822de
GS		 1872# ifdef FAKE_THREADS
1873# include "fakethr.h"
1874# else
1875# ifdef WIN32
1876# include <win32thread.h>
1877# else
dd96f567
IZ		 1878# ifdef OS2
1879# include "os2thread.h"
1880# else
7f3d1cf1 1881# ifdef I_MACH_CTHREADS
bdd66968 1882# include <mach/cthreads.h>
8f1f23e8 1883# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 1884# define MUTEX_INIT_CALLS_MALLOC
1885# endif
7f3d1cf1
BH		 1886typedef cthread_t perl_os_thread;
1887typedef mutex_t perl_mutex;
1888typedef condition_t perl_cond;
1889typedef void * perl_key;
1890# else /* Posix threads */
1f5ae88c
JH		 1891# ifdef I_PTHREAD
1892# include <pthread.h>
1893# endif
7f3d1cf1
BH		 1894typedef pthread_t perl_os_thread;
1895typedef pthread_mutex_t perl_mutex;
1896typedef pthread_cond_t perl_cond;
1897typedef pthread_key_t perl_key;
1898# endif /* I_MACH_CTHREADS */
dd96f567 1899# endif /* OS2 */
32f822de
GS		 1900# endif /* WIN32 */
1901# endif /* FAKE_THREADS */
2986a63f 1902#endif /* NETWARE */
4d1ff10f 1903#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 1904
66a93824 1905#if defined(WIN32)
1feb2720 1906# include "win32.h"
c5be433b
GS		 1907#endif
1908
2986a63f
JH		 1909#ifdef NETWARE
1910# include "netware.h"
1911#endif
1912
68dc0745 1913#ifdef VMS
6b88bc9c 1914# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 1915# define STATUS_NATIVE_EXPORT \
d98f61e7 1916 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 1917# define STATUS_NATIVE_SET(n) \
1918 STMT_START { \
6b88bc9c
GS		 1919 PL_statusvalue_vms = (n); \
1920 if ((I32)PL_statusvalue_vms == -1) \
3280af22 1921 PL_statusvalue = -1; \
6b88bc9c 1922 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 1923 PL_statusvalue = 0; \
6b88bc9c
GS		 1924 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
1925 PL_statusvalue = 1 << 8; \
68dc0745 1926 else \
6b88bc9c 1927 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 1928 } STMT_END
3280af22 1929# define STATUS_POSIX PL_statusvalue
68dc0745 1930# ifdef VMSISH_STATUS
1931# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1932# else
1933# define STATUS_CURRENT STATUS_POSIX
1934# endif
1935# define STATUS_POSIX_SET(n) \
1936 STMT_START { \
3280af22
NIS		 1937 PL_statusvalue = (n); \
1938 if (PL_statusvalue != -1) { \
1939 PL_statusvalue &= 0xFFFF; \
6b88bc9c 1940 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 1941 } \
6b88bc9c 1942 else PL_statusvalue_vms = -1; \
68dc0745 1943 } STMT_END
6b88bc9c
GS		 1944# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
1945# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 1946#else
1947# define STATUS_NATIVE STATUS_POSIX
1948# define STATUS_NATIVE_EXPORT STATUS_POSIX
1949# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 1950# define STATUS_POSIX PL_statusvalue
68dc0745 1951# define STATUS_POSIX_SET(n) \
1952 STMT_START { \
3280af22
NIS		 1953 PL_statusvalue = (n); \
1954 if (PL_statusvalue != -1) \
1955 PL_statusvalue &= 0xFFFF; \
68dc0745 1956 } STMT_END
1957# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 1958# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
1959# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 1960#endif
1961
cc3604b1
GS		 1962/* flags in PL_exit_flags for nature of exit() */
1963#define PERL_EXIT_EXPECTED 0x01
31d77e54 1964#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 1965
0b94c7bb 1966#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 1967# define MEMBER_TO_FPTR(name) name
1968#endif
1969
1970/* format to use for version numbers in file/directory names */
273cf8d1 1971/* XXX move to Configure? */
a7cb1f99 1972#ifndef PERL_FS_VER_FMT
273cf8d1 1973# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 1974#endif
1975
45bc9206 1976/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 1977 * performance issue, so we allow people to disable it. Also, if
1978 * we are using stdio, there are broken implementations of fflush(NULL)
1979 * out there, Solaris being the most prominent.
45bc9206
GS		 1980 */
1981#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 1982# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 1983# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 1984# else
1985# ifdef FFLUSH_ALL
1986# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 1987# else
c5be433b 1988# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 1989# endif
66fe083f 1990# endif
45bc9206
GS		 1991#endif
1992
7766f137
GS		 1993#ifndef PERL_WAIT_FOR_CHILDREN
1994# define PERL_WAIT_FOR_CHILDREN NOOP
1995#endif
1996
ba869deb 1997/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 1998#ifndef PERL_SET_INTERP
1999# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2000#endif
2001
2002#ifndef PERL_GET_INTERP
2003# define PERL_GET_INTERP (PL_curinterp)
2004#endif
2005
54aff467 2006#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 2007# ifdef USE_5005THREADS
ba869deb 2008# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS		 2009# else
2010# ifdef MULTIPLICITY
ba869deb 2011# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS		 2012# endif
2013# endif
ba869deb
GS		 2014# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2015#endif
2016
894356b3
GS		 2017#ifndef SVf
2018# ifdef CHECK_FORMAT
2019# define SVf "p"
2020# else
2021# define SVf "_"
d460ef45 2022# endif
894356b3
GS		 2023#endif
2024
d2560b70
RB		 2025#ifndef UVf
2026# ifdef CHECK_FORMAT
2027# define UVf UVuf
2028# else
2029# define UVf "Vu"
d460ef45 2030# endif
d2560b70
RB		 2031#endif
2032
2033#ifndef VDf
2034# ifdef CHECK_FORMAT
2035# define VDf "p"
2036# else
2037# define VDf "vd"
d460ef45 2038# endif
d2560b70
RB		 2039#endif
2040
b3fe4827
RB		 2041#ifndef Nullformat
2042# ifdef CHECK_FORMAT
2043# define Nullformat "%s",""
2044# else
2045# define Nullformat Nullch
2046# endif
2047#endif
2048
3fc1aec6 2049/* Some unistd.h's give a prototype for pause() even though
2050 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2051 below to be rejected by the compiler. Sigh.
3fc1aec6 2052*/
2053#ifdef HAS_PAUSE
2054#define Pause pause
2055#else
2056#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2057#endif
2058
2059#ifndef IOCPARM_LEN
2060# ifdef IOCPARM_MASK
2061 /* on BSDish systes we're safe */
2062# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2063# else
2064 /* otherwise guess at what's safe */
2065# define IOCPARM_LEN(x) 256
2066# endif
a0d0e21e
LW		 2067#endif
2068
1761cee5 2069#if defined(__CYGWIN__)
521e0776
GS		 2070/* USEMYBINMODE
2071 * This symbol, if defined, indicates that the program should
16fe6d59 2072 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2073 * that a file is in "binary" mode -- that is, that no translation
2074 * of bytes occurs on read or write operations.
2075 */
2076# define USEMYBINMODE / **/
16fe6d59
GS		 2077# define my_binmode(fp, iotype, mode) \
2078 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2079#endif
2080
cea2e8a9
GS		 2081#ifdef UNION_ANY_DEFINITION
2082UNION_ANY_DEFINITION;
2083#else
2084union any {
2085 void* any_ptr;
2086 I32 any_i32;
2087 IV any_iv;
2088 long any_long;
c76ac1ee 2089 void (*any_dptr) (void*);
acfe0abc 2090 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2091};
2092#endif
2093
4d1ff10f 2094#ifdef USE_5005THREADS
cea2e8a9
GS		 2095#define ARGSproto struct perl_thread *thr
2096#else
2097#define ARGSproto
4d1ff10f 2098#endif /* USE_5005THREADS */
cea2e8a9 2099
acfe0abc 2100typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2101
2102#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2103#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2104#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2105
af8b425d 2106#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2107# include "iperlsys.h"
2108#endif
378cc40b 2109#include "regexp.h"
79072805 2110#include "sv.h"
378cc40b 2111#include "util.h"
8d063cd8 2112#include "form.h"
79072805
LW		 2113#include "gv.h"
2114#include "cv.h"
abdd5c84 2115#include "opnames.h"
79072805
LW		 2116#include "op.h"
2117#include "cop.h"
2118#include "av.h"
2119#include "hv.h"
2120#include "mg.h"
2121#include "scope.h"
4438c4b7 2122#include "warnings.h"
a0ed51b3 2123#include "utf8.h"
cd1ee231 2124#include "sharedsv.h"
8d063cd8 2125
7fae4e64
GS		 2126/* Current curly descriptor */
2127typedef struct curcur CURCUR;
2128struct curcur {
2129 int parenfloor; /* how far back to strip paren data */
2130 int cur; /* how many instances of scan we've matched */
2131 int min; /* the minimal number of scans to match */
2132 int max; /* the maximal number of scans to match */
2133 int minmod; /* whether to work our way up or down */
2134 regnode * scan; /* the thing to match */
2135 regnode * next; /* what has to match after it */
2136 char * lastloc; /* where we started matching this scan */
2137 CURCUR * oldcc; /* current curly before we started this one */
2138};
2139
2140typedef struct _sublex_info SUBLEXINFO;
2141struct _sublex_info {
2142 I32 super_state; /* lexer state to save */
2143 I32 sub_inwhat; /* "lex_inwhat" to use */
2144 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2145 char *super_bufptr; /* PL_bufptr that was */
2146 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2147};
2148
455ece5e 2149typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2150
2c2d71f5 2151struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2152struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2153
2154typedef I32 CHECKPOINT;
76e3520e 2155
5f7fde29
GS		 2156struct ptr_tbl_ent {
2157 struct ptr_tbl_ent* next;
2158 void* oldval;
2159 void* newval;
d18c6117
GS		 2160};
2161
5f7fde29
GS		 2162struct ptr_tbl {
2163 struct ptr_tbl_ent** tbl_ary;
2164 UV tbl_max;
2165 UV tbl_items;
d18c6117
GS		 2166};
2167
450a55e4 2168#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2169# define I286
2170#endif
2171
fe14fcc3
LW		 2172#if defined(htonl) && !defined(HAS_HTONL)
2173#define HAS_HTONL
ae986130 2174#endif
fe14fcc3
LW		 2175#if defined(htons) && !defined(HAS_HTONS)
2176#define HAS_HTONS
ae986130 2177#endif
fe14fcc3
LW		 2178#if defined(ntohl) && !defined(HAS_NTOHL)
2179#define HAS_NTOHL
ae986130 2180#endif
fe14fcc3
LW		 2181#if defined(ntohs) && !defined(HAS_NTOHS)
2182#define HAS_NTOHS
ae986130 2183#endif
fe14fcc3 2184#ifndef HAS_HTONL
d9d8d8de 2185#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2186#define HAS_HTONS
2187#define HAS_HTONL
2188#define HAS_NTOHS
2189#define HAS_NTOHL
a687059c
LW		 2190#define MYSWAP
2191#define htons my_swap
2192#define htonl my_htonl
2193#define ntohs my_swap
2194#define ntohl my_ntohl
2195#endif
2196#else
d9d8d8de 2197#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2198#undef HAS_HTONS
2199#undef HAS_HTONL
2200#undef HAS_NTOHS
2201#undef HAS_NTOHL
a687059c
LW		 2202#endif
2203#endif
2204
988174c1
LW		 2205/*
2206 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2207 * -DWS
2208 */
2209#if BYTEORDER != 0x1234
2210# define HAS_VTOHL
2211# define HAS_VTOHS
2212# define HAS_HTOVL
2213# define HAS_HTOVS
c67712b2 2214# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2215# define vtohl(x) ((((x)&0xFF)<<24) \
2216 +(((x)>>24)&0xFF) \
2217 +(((x)&0x0000FF00)<<8) \
2218 +(((x)&0x00FF0000)>>8) )
2219# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2220# define htovl(x) vtohl(x)
2221# define htovs(x) vtohs(x)
2222# endif
2223 /* otherwise default to functions in util.c */
2224#endif
2225
3bb7c1b4
JH		 2226/* *MAX Plus 1. A floating point value.
2227 Hopefully expressed in a way that dodgy floating point can't mess up.
2228 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2229 is added to it
2230 May find that some broken compiler will want the value cast to I32.
2231 [after the shift, as signed >> may not be as secure as unsigned >>]
2232*/
2233#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2234#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2235/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2236 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2237 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2238*/
2239#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2240
3bb7c1b4
JH		 2241#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2242#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2243#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2244
2245/* This may look like unnecessary jumping through hoops, but converting
2246 out of range floating point values to integers *is* undefined behaviour,
2247 and it is starting to bite.
2248*/
2249#ifndef CAST_INLINE
65202027 2250#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2251#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2252#define I_V(what) (cast_iv((NV)(what)))
2253#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2254#else
2255#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2256 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2257 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2258#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2259 : ((n) < U32_MAX_P1 ? (U32) (n) \
2260 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2261#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2262 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2263 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2264#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2265 : ((n) < UV_MAX_P1 ? (UV) (n) \
2266 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2267#endif
2268
2269#define U_S(what) ((U16)U_32(what))
2270#define U_I(what) ((unsigned int)U_32(what))
2271#define U_L(what) U_32(what)
ed6116ce 2272
2d4389e4
JH		 2273/* These do not care about the fractional part, only about the range. */
2274#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2275#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2276
25da4f38
IZ		 2277/* Used with UV/IV arguments: */
2278 /* XXXX: need to speed it up */
2279#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2280#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2281
352d5a3a
LW		 2282#ifndef MAXSYSFD
2283# define MAXSYSFD 2
2284#endif
ee0007ab 2285
79072805 2286#ifndef __cplusplus
e1caacb4 2287#ifndef UNDER_CE
20ce7b12
GS		 2288Uid_t getuid (void);
2289Uid_t geteuid (void);
2290Gid_t getgid (void);
2291Gid_t getegid (void);
79072805 2292#endif
e1caacb4 2293#endif
8d063cd8 2294
0c30d9ec 2295#ifndef Perl_debug_log
bf49b057
GS		 2296# define Perl_debug_log PerlIO_stderr()
2297#endif
2298
2299#ifndef Perl_error_log
2300# define Perl_error_log (PL_stderrgv \
01bb7c6d 2301 && GvIOp(PL_stderrgv) \
42de951c 2302 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2303 ? IoOFP(GvIOp(PL_stderrgv)) \
2304 : PerlIO_stderr())
0c30d9ec 2305#endif
3967c732 2306
aea4f609
DM		 2307
2308#define DEBUG_p_FLAG 0x00000001 /* 1 */
2309#define DEBUG_s_FLAG 0x00000002 /* 2 */
2310#define DEBUG_l_FLAG 0x00000004 /* 4 */
2311#define DEBUG_t_FLAG 0x00000008 /* 8 */
2312#define DEBUG_o_FLAG 0x00000010 /* 16 */
2313#define DEBUG_c_FLAG 0x00000020 /* 32 */
2314#define DEBUG_P_FLAG 0x00000040 /* 64 */
2315#define DEBUG_m_FLAG 0x00000080 /* 128 */
2316#define DEBUG_f_FLAG 0x00000100 /* 256 */
2317#define DEBUG_r_FLAG 0x00000200 /* 512 */
2318#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2319#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2320#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2321#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2322#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2323#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2324#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2325#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8
DM		 2326#define DEBUG_R_FLAG 0x00040000 /* 262144 */
2327#define DEBUG_MASK 0x0007FFFF /* mask of all the standard flags */
aea4f609
DM		 2328
2329#define DEBUG_DB_RECURSE_FLAG 0x40000000
2330#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? */
2331
2332
bd16a5f0
IZ		 2333# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2334# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2335# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2336# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2337# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2338# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2339# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2340# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2341# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2342# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2343# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2344# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
2345# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
2346# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2347# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2348# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2349# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2350# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2351# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
2352
3967c732 2353#ifdef DEBUGGING
aea4f609
DM		 2354
2355# undef YYDEBUG
2356# define YYDEBUG 1
2357
bd16a5f0
IZ		 2358# define DEBUG_p_TEST DEBUG_p_TEST_
2359# define DEBUG_s_TEST DEBUG_s_TEST_
2360# define DEBUG_l_TEST DEBUG_l_TEST_
2361# define DEBUG_t_TEST DEBUG_t_TEST_
2362# define DEBUG_o_TEST DEBUG_o_TEST_
2363# define DEBUG_c_TEST DEBUG_c_TEST_
2364# define DEBUG_P_TEST DEBUG_P_TEST_
2365# define DEBUG_m_TEST DEBUG_m_TEST_
2366# define DEBUG_f_TEST DEBUG_f_TEST_
2367# define DEBUG_r_TEST DEBUG_r_TEST_
2368# define DEBUG_x_TEST DEBUG_x_TEST_
2369# define DEBUG_u_TEST DEBUG_u_TEST_
2370# define DEBUG_L_TEST DEBUG_L_TEST_
2371# define DEBUG_H_TEST DEBUG_H_TEST_
2372# define DEBUG_X_TEST DEBUG_X_TEST_
2373# define DEBUG_D_TEST DEBUG_D_TEST_
2374# define DEBUG_S_TEST DEBUG_S_TEST_
2375# define DEBUG_T_TEST DEBUG_T_TEST_
2376# define DEBUG_R_TEST DEBUG_R_TEST_
aea4f609
DM		 2377
2378# define DEB(a) a
2379# define DEBUG(a) if (PL_debug) a
2380# define DEBUG_p(a) if (DEBUG_p_TEST) a
2381# define DEBUG_s(a) if (DEBUG_s_TEST) a
2382# define DEBUG_l(a) if (DEBUG_l_TEST) a
2383# define DEBUG_t(a) if (DEBUG_t_TEST) a
2384# define DEBUG_o(a) if (DEBUG_o_TEST) a
2385# define DEBUG_c(a) if (DEBUG_c_TEST) a
2386# define DEBUG_P(a) if (DEBUG_P_TEST) a
2387
969058bb
VK		 2388 /* Temporarily turn off memory debugging in case the a
2389 * does memory allocation, either directly or indirectly. */
acfe0abc 2390# define DEBUG_m(a) \
0b250b9e 2391 STMT_START { \
aea4f609 2392 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2393 } STMT_END
aea4f609 2394
5f80b19c
AMS		 2395# define DEBUG__(t, a) \
2396 STMT_START { \
2397 if (t) STMT_START {a;} STMT_END; \
2398 } STMT_END
2399
2400# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2401# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2402# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2403# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2404# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2405# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2406# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2407# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2408
4d1ff10f 2409# ifdef USE_5005THREADS
5f80b19c 2410# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ		 2411# else
2412# define DEBUG_S(a)
2413# endif
aea4f609 2414
5f80b19c
AMS		 2415# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2416# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
aea4f609
DM		 2417
2418#else /* DEBUGGING */
2419
2420# define DEBUG_p_TEST (0)
2421# define DEBUG_s_TEST (0)
2422# define DEBUG_l_TEST (0)
2423# define DEBUG_t_TEST (0)
2424# define DEBUG_o_TEST (0)
2425# define DEBUG_c_TEST (0)
2426# define DEBUG_P_TEST (0)
2427# define DEBUG_m_TEST (0)
2428# define DEBUG_f_TEST (0)
2429# define DEBUG_r_TEST (0)
2430# define DEBUG_x_TEST (0)
2431# define DEBUG_u_TEST (0)
2432# define DEBUG_L_TEST (0)
2433# define DEBUG_H_TEST (0)
2434# define DEBUG_X_TEST (0)
2435# define DEBUG_D_TEST (0)
2436# define DEBUG_S_TEST (0)
2437# define DEBUG_T_TEST (0)
04932ac8 2438# define DEBUG_R_TEST (0)
aea4f609
DM		 2439
2440# define DEB(a)
2441# define DEBUG(a)
2442# define DEBUG_p(a)
2443# define DEBUG_s(a)
2444# define DEBUG_l(a)
2445# define DEBUG_t(a)
2446# define DEBUG_o(a)
2447# define DEBUG_c(a)
2448# define DEBUG_P(a)
2449# define DEBUG_m(a)
2450# define DEBUG_f(a)
2451# define DEBUG_r(a)
2452# define DEBUG_x(a)
2453# define DEBUG_u(a)
2454# define DEBUG_L(a)
2455# define DEBUG_H(a)
2456# define DEBUG_X(a)
2457# define DEBUG_D(a)
2458# define DEBUG_S(a)
2459# define DEBUG_T(a)
04932ac8 2460# define DEBUG_R(a)
aea4f609
DM		 2461#endif /* DEBUGGING */
2462
2463
d1be9408 2464/* These constants should be used in preference to raw characters
14befaf4
DM		 2465 * when using magic. Note that some perl guts still assume
2466 * certain character properties of these constants, namely that
2467 * isUPPER() and toLOWER() may do useful mappings.
2468 *
2469 * Update the magic_names table in dump.c when adding/amending these
2470 */
2471
2472#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2473#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2474#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2475#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2476#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2477#define PERL_MAGIC_regdata 'D' /* Regex match position data
2478 (@+ and @- vars) */
2479#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2480#define PERL_MAGIC_env 'E' /* %ENV hash */
2481#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2482#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2483#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2484#define PERL_MAGIC_isa 'I' /* @ISA array */
2485#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2486#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2487#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2488#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
2489#define PERL_MAGIC_mutex 'm' /* ??? */
2490#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2491#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2492#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2493#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2494#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2495#define PERL_MAGIC_sig 'S' /* %SIG hash */
2496#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2497#define PERL_MAGIC_taint 't' /* Taintedness */
2498#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
2499#define PERL_MAGIC_vec 'v' /* vec() lvalue */
2500#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2501#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2502 smart parameter vivification */
2503#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2504#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2505#define PERL_MAGIC_pos '.' /* pos() lvalue */
2506#define PERL_MAGIC_backref '<' /* ??? */
2507#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2508
2509
fe14fcc3 2510#define YYMAXDEPTH 300
8d063cd8 2511
a6e633de 2512#ifndef assert /* <assert.h> might have been included somehow */
79072805
LW		 2513#define assert(what) DEB( { \
2514 if (!(what)) { \
cea2e8a9 2515 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2516 __FILE__, __LINE__); \
cea2e8a9 2517 PerlProc_exit(1); \
79072805 2518 }})
a6e633de 2519#endif
8d063cd8 2520
450a55e4 2521struct ufuncs {
24f81a43
DM		 2522 I32 (*uf_val)(pTHX_ IV, SV*);
2523 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2524 IV uf_index;
450a55e4
LW		 2525};
2526
14befaf4 2527/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2528 * XS code wanting to be backward compatible can do something
2529 * like the following:
c745e42c 2530
24f81a43 2531#ifndef PERL_MG_UFUNC
24f81a43
DM		 2532#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2533#endif
2534
2535static PERL_MG_UFUNC(foo_get, index, val)
2536{
2537 sv_setsv(val, ...);
2538 return TRUE;
2539}
2540
2541-- Doug MacEachern
2542
2543*/
2544
fc9c74e6 2545#ifndef PERL_MG_UFUNC
24f81a43 2546#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2547#endif
24f81a43 2548
fe14fcc3 2549/* Fix these up for __STDC__ */
68dc0745 2550#ifndef DONT_DECLARE_STD
20ce7b12 2551char *mktemp (char*);
37bd1396 2552#ifndef atof
20ce7b12 2553double atof (const char*);
a0d0e21e 2554#endif
37bd1396 2555#endif
79072805 2556
352d5a3a 2557#ifndef STANDARD_C
fe14fcc3 2558/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2559Time_t time();
8d063cd8 2560struct tm *gmtime(), *localtime();
092bebab 2561#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2562char *(strchr)(), *(strrchr)();
2563char *(strcpy)(), *(strcat)();
2564#else
93a17b20 2565char *strchr(), *strrchr();
378cc40b 2566char *strcpy(), *strcat();
9d116dd7 2567#endif
352d5a3a 2568#endif /* ! STANDARD_C */
8d063cd8 2569
79072805
LW		 2570
2571#ifdef I_MATH
2572# include <math.h>
2573#else
32f822de 2574START_EXTERN_C
20ce7b12
GS		 2575 double exp (double);
2576 double log (double);
2577 double log10 (double);
2578 double sqrt (double);
2579 double frexp (double,int*);
2580 double ldexp (double,int);
2581 double modf (double,double*);
2582 double sin (double);
2583 double cos (double);
2584 double atan2 (double,double);
2585 double pow (double,double);
32f822de 2586END_EXTERN_C
79072805
LW		 2587#endif
2588
aa8b85de
JH		 2589#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2590# define NV_INF LDBL_INFINITY
2591#endif
2592#if !defined(NV_INF) && defined(DBL_INFINITY)
2593# define NV_INF (NV)DBL_INFINITY
2594#endif
2595#if !defined(NV_INF) && defined(INFINITY)
2596# define NV_INF (NV)INFINITY
2597#endif
2598#if !defined(NV_INF) && defined(INF)
2599# define NV_INF (NV)INF
2600#endif
2601#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2602# define NV_INF (NV)HUGE_VALL
2603#endif
2604#if !defined(NV_INF) && defined(HUGE_VAL)
2605# define NV_INF (NV)HUGE_VAL
2606#endif
2607
2608#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2609# if !defined(NV_NAN) && defined(LDBL_NAN)
2610# define NV_NAN LDBL_NAN
2611# endif
2612# if !defined(NV_NAN) && defined(LDBL_QNAN)
2613# define NV_NAN LDBL_QNAN
2614# endif
2615# if !defined(NV_NAN) && defined(LDBL_SNAN)
2616# define NV_NAN LDBL_SNAN
2617# endif
2618#endif
2619#if !defined(NV_NAN) && defined(DBL_NAN)
2620# define NV_NAN (NV)DBL_NAN
2621#endif
2622#if !defined(NV_NAN) && defined(DBL_QNAN)
2623# define NV_NAN (NV)DBL_QNAN
2624#endif
2625#if !defined(NV_NAN) && defined(DBL_SNAN)
2626# define NV_NAN (NV)DBL_SNAN
2627#endif
2628#if !defined(NV_NAN) && defined(QNAN)
2629# define NV_NAN (NV)QNAN
2630#endif
2631#if !defined(NV_NAN) && defined(SNAN)
2632# define NV_NAN (NV)SNAN
2633#endif
2634#if !defined(NV_NAN) && defined(NAN)
2635# define NV_NAN (NV)NAN
2636#endif
2637
a0d0e21e 2638#ifndef __cplusplus
8f1f23e8 2639# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2640char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2641# else
fd8cd3a3 2642# if !defined(WIN32) && !defined(VMS)
20ce7b12 2643char *crypt (const char*, const char*);
5014db98 2644# endif /* !WIN32 */
8f1f23e8 2645# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2646# ifndef DONT_DECLARE_STD
2647# ifndef getenv
20ce7b12 2648char *getenv (const char*);
26618a56 2649# endif /* !getenv */
28ca6303 2650# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2651# ifdef _FILE_OFFSET_BITS
28ca6303 2652# if _FILE_OFFSET_BITS == 64
20ce7b12 2653Off_t lseek (int,Off_t,int);
0fc67700
JH		 2654# endif
2655# endif
bf0c440f 2656# endif
26618a56 2657# endif /* !DONT_DECLARE_STD */
20ce7b12 2658char *getlogin (void);
26618a56 2659#endif /* !__cplusplus */
79072805 2660
16d20bd9 2661#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2662#define UNLINK unlnk
20ce7b12 2663I32 unlnk (char*);
8d063cd8 2664#else
80252599 2665#define UNLINK PerlLIO_unlink
8d063cd8 2666#endif
a687059c 2667
fa0a29af
JH		 2668/* some versions of glibc are missing the setresuid() proto */
2669#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2670int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2671#endif
fa0a29af
JH		 2672/* some versions of glibc are missing the setresgid() proto */
2673#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2674int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2675#endif
2676
fe14fcc3 2677#ifndef HAS_SETREUID
85e6fe83
LW		 2678# ifdef HAS_SETRESUID
2679# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2680# define HAS_SETREUID
2681# endif
a687059c 2682#endif
fe14fcc3 2683#ifndef HAS_SETREGID
85e6fe83
LW		 2684# ifdef HAS_SETRESGID
2685# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2686# define HAS_SETREGID
2687# endif
a687059c 2688#endif
ee0007ab 2689
d543acb6 2690/* Sighandler_t defined in iperlsys.h */
ff68c719 2691
2692#ifdef HAS_SIGACTION
2693typedef struct sigaction Sigsave_t;
2694#else
2695typedef Sighandler_t Sigsave_t;
2696#endif
2697
ee0007ab
LW		 2698#define SCAN_DEF 0
2699#define SCAN_TR 1
2700#define SCAN_REPL 2
79072805
LW		 2701
2702#ifdef DEBUGGING
4633a7c4 2703# ifndef register
a0d0e21e
LW		 2704# define register
2705# endif
2706# define PAD_SV(po) pad_sv(po)
cea2e8a9 2707# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2708#else
6b88bc9c 2709# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2710# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2711#endif
2712
18f739ee 2713#ifdef MYMALLOC
772fe5b3 2714# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2715# define MALLOC_INIT \
2716 STMT_START { \
2717 PL_malloc_mutex = NULL; \
2718 MUTEX_INIT(&PL_malloc_mutex); \
2719 } STMT_END
2720# define MALLOC_TERM \
2721 STMT_START { \
2722 perl_mutex tmp = PL_malloc_mutex; \
2723 PL_malloc_mutex = NULL; \
2724 MUTEX_DESTROY(&tmp); \
2725 } STMT_END
2726# else
2727# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2728# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2729# endif
18f739ee
IZ		 2730#else
2731# define MALLOC_INIT
2732# define MALLOC_TERM
2733#endif
2734
b6d9d515 2735
0cb96387
GS		 2736typedef int (CPERLscope(*runops_proc_t)) (pTHX);
2737typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2738
940cb80d 2739/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2740#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2741
8f1f23e8
W		 2742/* NeXT has problems with crt0.o globals */
2743#if defined(__DYNAMIC__) && \
2744 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2745# if defined(NeXT) || defined(__NeXT)
2746# include <mach-o/dyld.h>
2747# define environ (*environ_pointer)
0c30d9ec 2748EXT char *** environ_pointer;
8f1f23e8 2749# else
82cabb9e 2750# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W		 2751# include <crt_externs.h> /* for the env array */
2752# define environ (*_NSGetEnviron())
2753# endif
0c30d9ec 2754# endif
8f1f23e8
W		 2755#else
2756 /* VMS and some other platforms don't use the environ array */
13b6e58c 2757# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2758# if !defined(DONT_DECLARE_STD) || \
2759 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2760 defined(__sgi) || \
d460ef45 2761 defined(__DGUX)
8f1f23e8 2762extern char ** environ; /* environment variables supplied via exec */
a6c40364 2763# endif
8f1f23e8
W		 2764# endif
2765#endif
79072805 2766
73c4f7a1
GS		 2767START_EXTERN_C
2768
79072805 2769/* handy constants */
22c35a8c 2770EXTCONST char PL_warn_uninit[]
b89fed5f 2771 INIT("Use of uninitialized value%s%s");
22c35a8c 2772EXTCONST char PL_warn_nosemi[]
463ee0b2 2773 INIT("Semicolon seems to be missing");
22c35a8c 2774EXTCONST char PL_warn_reserved[]
463ee0b2 2775 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2776EXTCONST char PL_warn_nl[]
93a17b20 2777 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2778EXTCONST char PL_no_wrongref[]
a0d0e21e 2779 INIT("Can't use %s ref as %s ref");
22c35a8c 2780EXTCONST char PL_no_symref[]
748a9306 2781 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2782EXTCONST char PL_no_usym[]
8990e307 2783 INIT("Can't use an undefined value as %s reference");
22c35a8c 2784EXTCONST char PL_no_aelem[]
93a17b20 2785 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2786EXTCONST char PL_no_helem[]
93a17b20 2787 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2788EXTCONST char PL_no_modify[]
93a17b20 2789 INIT("Modification of a read-only value attempted");
22c35a8c 2790EXTCONST char PL_no_mem[]
93a17b20 2791 INIT("Out of memory!\n");
22c35a8c 2792EXTCONST char PL_no_security[]
463ee0b2 2793 INIT("Insecure dependency in %s%s");
22c35a8c 2794EXTCONST char PL_no_sock_func[]
93a17b20 2795 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2796EXTCONST char PL_no_dir_func[]
93a17b20 2797 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2798EXTCONST char PL_no_func[]
93a17b20 2799 INIT("The %s function is unimplemented");
22c35a8c 2800EXTCONST char PL_no_myglob[]
748a9306 2801 INIT("\"my\" variable %s can't be in a package");
93a17b20 2802
7575fa06 2803EXTCONST char PL_uuemap[65]
80252599
GS		 2804 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2805
2806
79072805 2807#ifdef DOINIT
22c35a8c
GS		 2808EXT char *PL_sig_name[] = { SIG_NAME };
2809EXT int PL_sig_num[] = { SIG_NUM };
79072805 2810#else
22c35a8c
GS		 2811EXT char *PL_sig_name[];
2812EXT int PL_sig_num[];
79072805
LW		 2813#endif
2814
3bd709b1 2815/* fast conversion and case folding tables */
bbce6d69 2816
79072805 2817#ifdef DOINIT
9d116dd7 2818#ifdef EBCDIC
22c35a8c 2819EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 2820 0, 1, 2, 3, 4, 5, 6, 7,
2821 8, 9, 10, 11, 12, 13, 14, 15,
2822 16, 17, 18, 19, 20, 21, 22, 23,
2823 24, 25, 26, 27, 28, 29, 30, 31,
2824 32, 33, 34, 35, 36, 37, 38, 39,
2825 40, 41, 42, 43, 44, 45, 46, 47,
2826 48, 49, 50, 51, 52, 53, 54, 55,
2827 56, 57, 58, 59, 60, 61, 62, 63,
2828 64, 65, 66, 67, 68, 69, 70, 71,
2829 72, 73, 74, 75, 76, 77, 78, 79,
2830 80, 81, 82, 83, 84, 85, 86, 87,
2831 88, 89, 90, 91, 92, 93, 94, 95,
2832 96, 97, 98, 99, 100, 101, 102, 103,
2833 104, 105, 106, 107, 108, 109, 110, 111,
2834 112, 113, 114, 115, 116, 117, 118, 119,
2835 120, 121, 122, 123, 124, 125, 126, 127,
2836 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2837 'H', 'I', 138, 139, 140, 141, 142, 143,
2838 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2839 'Q', 'R', 154, 155, 156, 157, 158, 159,
2840 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2841 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2842 176, 177, 178, 179, 180, 181, 182, 183,
2843 184, 185, 186, 187, 188, 189, 190, 191,
2844 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2845 'h', 'i', 202, 203, 204, 205, 206, 207,
2846 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2847 'q', 'r', 218, 219, 220, 221, 222, 223,
2848 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2849 'y', 'z', 234, 235, 236, 237, 238, 239,
2850 240, 241, 242, 243, 244, 245, 246, 247,
2851 248, 249, 250, 251, 252, 253, 254, 255
2852};
2853#else /* ascii rather than ebcdic */
22c35a8c 2854EXTCONST unsigned char PL_fold[] = {
79072805
LW		 2855 0, 1, 2, 3, 4, 5, 6, 7,
2856 8, 9, 10, 11, 12, 13, 14, 15,
2857 16, 17, 18, 19, 20, 21, 22, 23,
2858 24, 25, 26, 27, 28, 29, 30, 31,
2859 32, 33, 34, 35, 36, 37, 38, 39,
2860 40, 41, 42, 43, 44, 45, 46, 47,
2861 48, 49, 50, 51, 52, 53, 54, 55,
2862 56, 57, 58, 59, 60, 61, 62, 63,
2863 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2864 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2865 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2866 'x', 'y', 'z', 91, 92, 93, 94, 95,
2867 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2868 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2869 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2870 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2871 128, 129, 130, 131, 132, 133, 134, 135,
2872 136, 137, 138, 139, 140, 141, 142, 143,
2873 144, 145, 146, 147, 148, 149, 150, 151,
2874 152, 153, 154, 155, 156, 157, 158, 159,
2875 160, 161, 162, 163, 164, 165, 166, 167,
2876 168, 169, 170, 171, 172, 173, 174, 175,
2877 176, 177, 178, 179, 180, 181, 182, 183,
2878 184, 185, 186, 187, 188, 189, 190, 191,
2879 192, 193, 194, 195, 196, 197, 198, 199,
2880 200, 201, 202, 203, 204, 205, 206, 207,
2881 208, 209, 210, 211, 212, 213, 214, 215,
2882 216, 217, 218, 219, 220, 221, 222, 223,
2883 224, 225, 226, 227, 228, 229, 230, 231,
2884 232, 233, 234, 235, 236, 237, 238, 239,
2885 240, 241, 242, 243, 244, 245, 246, 247,
2886 248, 249, 250, 251, 252, 253, 254, 255
2887};
9d116dd7 2888#endif /* !EBCDIC */
79072805 2889#else
22c35a8c 2890EXTCONST unsigned char PL_fold[];
79072805
LW		 2891#endif
2892
2893#ifdef DOINIT
22c35a8c 2894EXT unsigned char PL_fold_locale[] = {
79072805
LW		 2895 0, 1, 2, 3, 4, 5, 6, 7,
2896 8, 9, 10, 11, 12, 13, 14, 15,
2897 16, 17, 18, 19, 20, 21, 22, 23,
2898 24, 25, 26, 27, 28, 29, 30, 31,
2899 32, 33, 34, 35, 36, 37, 38, 39,
2900 40, 41, 42, 43, 44, 45, 46, 47,
2901 48, 49, 50, 51, 52, 53, 54, 55,
2902 56, 57, 58, 59, 60, 61, 62, 63,
2903 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2904 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2905 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2906 'x', 'y', 'z', 91, 92, 93, 94, 95,
2907 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2908 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2909 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2910 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2911 128, 129, 130, 131, 132, 133, 134, 135,
2912 136, 137, 138, 139, 140, 141, 142, 143,
2913 144, 145, 146, 147, 148, 149, 150, 151,
2914 152, 153, 154, 155, 156, 157, 158, 159,
2915 160, 161, 162, 163, 164, 165, 166, 167,
2916 168, 169, 170, 171, 172, 173, 174, 175,
2917 176, 177, 178, 179, 180, 181, 182, 183,
2918 184, 185, 186, 187, 188, 189, 190, 191,
2919 192, 193, 194, 195, 196, 197, 198, 199,
2920 200, 201, 202, 203, 204, 205, 206, 207,
2921 208, 209, 210, 211, 212, 213, 214, 215,
2922 216, 217, 218, 219, 220, 221, 222, 223,
2923 224, 225, 226, 227, 228, 229, 230, 231,
2924 232, 233, 234, 235, 236, 237, 238, 239,
2925 240, 241, 242, 243, 244, 245, 246, 247,
2926 248, 249, 250, 251, 252, 253, 254, 255
2927};
2928#else
22c35a8c 2929EXT unsigned char PL_fold_locale[];
79072805
LW		 2930#endif
2931
2932#ifdef DOINIT
9d116dd7 2933#ifdef EBCDIC
22c35a8c 2934EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 2935 1, 2, 84, 151, 154, 155, 156, 157,
2936 165, 246, 250, 3, 158, 7, 18, 29,
2937 40, 51, 62, 73, 85, 96, 107, 118,
2938 129, 140, 147, 148, 149, 150, 152, 153,
2939 255, 6, 8, 9, 10, 11, 12, 13,
2940 14, 15, 24, 25, 26, 27, 28, 226,
2941 29, 30, 31, 32, 33, 43, 44, 45,
2942 46, 47, 48, 49, 50, 76, 77, 78,
2943 79, 80, 81, 82, 83, 84, 85, 86,
2944 87, 94, 95, 234, 181, 233, 187, 190,
2945 180, 96, 97, 98, 99, 100, 101, 102,
2946 104, 112, 182, 174, 236, 232, 229, 103,
2947 228, 226, 114, 115, 116, 117, 118, 119,
2948 120, 121, 122, 235, 176, 230, 194, 162,
2949 130, 131, 132, 133, 134, 135, 136, 137,
2950 138, 139, 201, 205, 163, 217, 220, 224,
2951 5, 248, 227, 244, 242, 255, 241, 231,
2952 240, 253, 16, 197, 19, 20, 21, 187,
2953 23, 169, 210, 245, 237, 249, 247, 239,
2954 168, 252, 34, 196, 36, 37, 38, 39,
2955 41, 42, 251, 254, 238, 223, 221, 213,
2956 225, 177, 52, 53, 54, 55, 56, 57,
2957 58, 59, 60, 61, 63, 64, 65, 66,
2958 67, 68, 69, 70, 71, 72, 74, 75,
2959 205, 208, 186, 202, 200, 218, 198, 179,
2960 178, 214, 88, 89, 90, 91, 92, 93,
2961 217, 166, 170, 207, 199, 209, 206, 204,
2962 160, 212, 105, 106, 108, 109, 110, 111,
2963 203, 113, 216, 215, 192, 175, 193, 243,
2964 172, 161, 123, 124, 125, 126, 127, 128,
2965 222, 219, 211, 195, 188, 193, 185, 184,
2966 191, 183, 141, 142, 143, 144, 145, 146
2967};
2968#else /* ascii rather than ebcdic */
22c35a8c 2969EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 2970 1, 2, 84, 151, 154, 155, 156, 157,
2971 165, 246, 250, 3, 158, 7, 18, 29,
2972 40, 51, 62, 73, 85, 96, 107, 118,
2973 129, 140, 147, 148, 149, 150, 152, 153,
2974 255, 182, 224, 205, 174, 176, 180, 217,
2975 233, 232, 236, 187, 235, 228, 234, 226,
2976 222, 219, 211, 195, 188, 193, 185, 184,
2977 191, 183, 201, 229, 181, 220, 194, 162,
2978 163, 208, 186, 202, 200, 218, 198, 179,
2979 178, 214, 166, 170, 207, 199, 209, 206,
2980 204, 160, 212, 216, 215, 192, 175, 173,
2981 243, 172, 161, 190, 203, 189, 164, 230,
2982 167, 248, 227, 244, 242, 255, 241, 231,
2983 240, 253, 169, 210, 245, 237, 249, 247,
2984 239, 168, 252, 251, 254, 238, 223, 221,
2985 213, 225, 177, 197, 171, 196, 159, 4,
2986 5, 6, 8, 9, 10, 11, 12, 13,
2987 14, 15, 16, 17, 19, 20, 21, 22,
2988 23, 24, 25, 26, 27, 28, 30, 31,
2989 32, 33, 34, 35, 36, 37, 38, 39,
2990 41, 42, 43, 44, 45, 46, 47, 48,
2991 49, 50, 52, 53, 54, 55, 56, 57,
2992 58, 59, 60, 61, 63, 64, 65, 66,
2993 67, 68, 69, 70, 71, 72, 74, 75,
2994 76, 77, 78, 79, 80, 81, 82, 83,
2995 86, 87, 88, 89, 90, 91, 92, 93,
2996 94, 95, 97, 98, 99, 100, 101, 102,
2997 103, 104, 105, 106, 108, 109, 110, 111,
2998 112, 113, 114, 115, 116, 117, 119, 120,
2999 121, 122, 123, 124, 125, 126, 127, 128,
3000 130, 131, 132, 133, 134, 135, 136, 137,
3001 138, 139, 141, 142, 143, 144, 145, 146
3002};
9d116dd7 3003#endif
79072805 3004#else
22c35a8c 3005EXTCONST unsigned char PL_freq[];
79072805
LW		 3006#endif
3007
8990e307
LW		 3008#ifdef DEBUGGING
3009#ifdef DOINIT
22c35a8c 3010EXTCONST char* PL_block_type[] = {
8990e307
LW		 3011 "NULL",
3012 "SUB",
3013 "EVAL",
3014 "LOOP",
3015 "SUBST",
3016 "BLOCK",
3017};
3018#else
22c35a8c 3019EXTCONST char* PL_block_type[];
8990e307
LW		 3020#endif
3021#endif
3022
73c4f7a1
GS		 3023END_EXTERN_C
3024
79072805
LW		 3025/*****************************************************************************/
3026/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3027/*****************************************************************************/
8990e307 3028/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3029
a0d0e21e
LW		 3030#include "perly.h"
3031
fb73857a 3032#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3033
79072805
LW		 3034typedef enum {
3035 XOPERATOR,
3036 XTERM,
79072805 3037 XREF,
8990e307 3038 XSTATE,
a0d0e21e 3039 XBLOCK,
09bef843
SB		 3040 XATTRBLOCK,
3041 XATTRTERM,
a0d0e21e 3042 XTERMBLOCK
79072805
LW		 3043} expectation;
3044
dc9e4912
GS		 3045enum { /* pass one of these to get_vtbl */
3046 want_vtbl_sv,
3047 want_vtbl_env,
3048 want_vtbl_envelem,
3049 want_vtbl_sig,
3050 want_vtbl_sigelem,
3051 want_vtbl_pack,
3052 want_vtbl_packelem,
3053 want_vtbl_dbline,
3054 want_vtbl_isa,
3055 want_vtbl_isaelem,
3056 want_vtbl_arylen,
3057 want_vtbl_glob,
3058 want_vtbl_mglob,
3059 want_vtbl_nkeys,
3060 want_vtbl_taint,
3061 want_vtbl_substr,
3062 want_vtbl_vec,
3063 want_vtbl_pos,
3064 want_vtbl_bm,
3065 want_vtbl_fm,
3066 want_vtbl_uvar,
3067 want_vtbl_defelem,
3068 want_vtbl_regexp,
3069 want_vtbl_collxfrm,
3070 want_vtbl_amagic,
3071 want_vtbl_amagicelem,
4d1ff10f 3072#ifdef USE_5005THREADS
dc9e4912
GS		 3073 want_vtbl_mutex,
3074#endif
3075 want_vtbl_regdata,
810b8aa5
GS		 3076 want_vtbl_regdatum,
3077 want_vtbl_backref
dc9e4912
GS		 3078};
3079
85e6fe83
LW		 3080 /* Note: the lowest 8 bits are reserved for
3081 stuffing into op->op_private */
f3aa04c2 3082#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW		 3083#define HINT_INTEGER 0x00000001
3084#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH		 3085#define HINT_LOCALE 0x00000004
3086#define HINT_BYTES 0x00000008
393fec97 3087/* #define HINT_notused10 0x00000010 */
a0ed51b3 3088 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW		 3089
3090#define HINT_BLOCK_SCOPE 0x00000100
3091#define HINT_STRICT_SUBS 0x00000200
3092#define HINT_STRICT_VARS 0x00000400
3093
b3ac6de7
IZ		 3094#define HINT_NEW_INTEGER 0x00001000
3095#define HINT_NEW_FLOAT 0x00002000
3096#define HINT_NEW_BINARY 0x00004000
3097#define HINT_NEW_STRING 0x00008000
3098#define HINT_NEW_RE 0x00010000
3099#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3100
b3eb6a9b 3101#define HINT_RE_TAINT 0x00100000
e4d48cc9 3102#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3103
5ff3f7a4 3104#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3105#define HINT_UTF8 0x00800000
5ff3f7a4 3106
84d4ea48
JH		 3107#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3108#define HINT_SORT_QUICKSORT 0x00000001
3109#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3110#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3111
8bfdd7d9 3112/* Various states of the input record separator SV (rs) */
d4cce5f1 3113#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3114#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3115#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3116#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3117
128e8167 3118/* A struct for keeping various DEBUGGING related stuff,
ce333219 3119 * neatly packed. Currently only scratch variables for
128e8167
JH		 3120 * constructing debug output are included. Needed always,
3121 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3122struct perl_debug_pad {
3123 SV pad[3];
3124};
3125
3126#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
3127#define PERL_DEBUG_PAD_ZERO(i) (sv_setpvn(PERL_DEBUG_PAD(i), "", 0), PERL_DEBUG_PAD(i))
ce333219 3128
56953603 3129/* Enable variables which are pointers to functions */
a2efc822 3130typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3131typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3132typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3133 char* strend, char* strbeg, I32 minend,
3134 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3135typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3136 char *strpos, char *strend,
3137 U32 flags,
3138 struct re_scream_pos_data_s *d);
3139typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3140typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3141
c76ac1ee 3142typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3143typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3144typedef void (*SVFUNC_t) (pTHX_ SV*);
3145typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3146typedef void (*XSINIT_t) (pTHX);
3147typedef void (*ATEXIT_t) (pTHX_ void*);
3148typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3149
22239a37
NIS		 3150/* Set up PERLVAR macros for populating structs */
3151#define PERLVAR(var,type) type var;
51371543 3152#define PERLVARA(var,n,type) type var[n];
22239a37 3153#define PERLVARI(var,type,init) type var;
3fe35a81 3154#define PERLVARIC(var,type,init) type var;
22239a37 3155
58a50f62
GS		 3156/* Interpreter exitlist entry */
3157typedef struct exitlistentry {
acfe0abc 3158 void (*fn) (pTHX_ void*);
58a50f62
GS		 3159 void *ptr;
3160} PerlExitListEntry;
3161
22239a37
NIS		 3162#ifdef PERL_GLOBAL_STRUCT
3163struct perl_vars {
7766f137 3164# include "perlvars.h"
22239a37
NIS		 3165};
3166
7766f137 3167# ifdef PERL_CORE
533c011a
NIS		 3168EXT struct perl_vars PL_Vars;
3169EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3170# else /* PERL_CORE */
3171# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3172EXT
7766f137 3173# endif /* WIN32 */
533c011a 3174struct perl_vars *PL_VarsPtr;
7766f137
GS		 3175# define PL_Vars (*((PL_VarsPtr) \
3176 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3177# endif /* PERL_CORE */
22239a37
NIS		 3178#endif /* PERL_GLOBAL_STRUCT */
3179
acfe0abc 3180#if defined(MULTIPLICITY)
d460ef45 3181/* If we have multiple interpreters define a struct
d4cce5f1 3182 holding variables which must be per-interpreter
d460ef45 3183 If we don't have threads anything that would have
d4cce5f1
NIS		 3184 be per-thread is per-interpreter.
3185*/
3186
79072805 3187struct interpreter {
4d1ff10f 3188# ifndef USE_5005THREADS
7766f137
GS		 3189# include "thrdvar.h"
3190# endif
3191# include "intrpvar.h"
3192/*
3193 * The following is a buffer where new variables must
acfe0abc 3194 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3195 */
3196PERLVARA(object_compatibility,30, char)
49f531da 3197};
d4cce5f1 3198
79072805 3199#else
49f531da
NIS		 3200struct interpreter {
3201 char broiled;
3202};
acfe0abc 3203#endif /* MULTIPLICITY */
79072805 3204
4d1ff10f 3205#ifdef USE_5005THREADS
d4cce5f1
NIS		 3206/* If we have threads define a struct with all the variables
3207 * that have to be per-thread
49f531da 3208 */
8023c3ce 3209
79072805 3210
49f531da 3211struct perl_thread {
49f531da 3212#include "thrdvar.h"
79072805 3213};
d4cce5f1 3214
22fae026
TM		 3215typedef struct perl_thread *Thread;
3216
3217#else
3218typedef void *Thread;
22239a37
NIS		 3219#endif
3220
3221/* Done with PERLVAR macros for now ... */
d4cce5f1 3222#undef PERLVAR
51371543 3223#undef PERLVARA
d4cce5f1 3224#undef PERLVARI
3fe35a81 3225#undef PERLVARIC
79072805 3226
22239a37 3227#include "thread.h"
79072805 3228#include "pp.h"
864dbfa3
GS		 3229
3230#ifndef PERL_CALLCONV
3231# define PERL_CALLCONV
d460ef45 3232#endif
864dbfa3 3233
65f19062
GS		 3234#ifndef NEXT30_NO_ATTRIBUTE
3235# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3236# ifdef __attribute__ /* Avoid possible redefinition errors */
3237# undef __attribute__
3238# endif
3239# define __attribute__(attr)
3240# endif
3241#endif
3242
0cb96387
GS		 3243#undef PERL_CKDEF
3244#undef PERL_PPDEF
3245#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3246#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3247
7766f137 3248#include "proto.h"
864dbfa3 3249
0cb96387 3250/* this has structure inits, so it cannot be included before here */
acfe0abc 3251#include "opcode.h"
864dbfa3 3252
d4cce5f1
NIS		 3253/* The following must follow proto.h as #defines mess up syntax */
3254
22c35a8c
GS		 3255#if !defined(PERL_FOR_X2P)
3256# include "embedvar.h"
3257#endif
d4cce5f1 3258
d460ef45 3259/* Now include all the 'global' variables
d4cce5f1 3260 * If we don't have threads or multiple interpreters
d460ef45 3261 * these include variables that would have been their struct-s
d4cce5f1 3262 */
d460ef45 3263
533c011a 3264#define PERLVAR(var,type) EXT type PL_##var;
51371543 3265#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3266#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3267#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3268
acfe0abc 3269#if !defined(MULTIPLICITY)
7766f137 3270START_EXTERN_C
066ef5b5 3271# include "intrpvar.h"
4d1ff10f 3272# ifndef USE_5005THREADS
066ef5b5
GS		 3273# include "thrdvar.h"
3274# endif
7766f137 3275END_EXTERN_C
22239a37
NIS		 3276#endif
3277
acfe0abc 3278#if defined(WIN32)
66a93824 3279/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3280# include "embed.h"
acfe0abc 3281#endif
22239a37 3282
c5be433b
GS		 3283#ifndef PERL_GLOBAL_STRUCT
3284START_EXTERN_C
3285
3286# include "perlvars.h"
3287
3288END_EXTERN_C
3289#endif
3290
d4cce5f1 3291#undef PERLVAR
51371543 3292#undef PERLVARA
d4cce5f1 3293#undef PERLVARI
0f3f18a6 3294#undef PERLVARIC
79072805 3295
73c4f7a1
GS		 3296START_EXTERN_C
3297
79072805 3298#ifdef DOINIT
bbce6d69 3299
2b260de0
GS		 3300EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
3301 MEMBER_TO_FPTR(Perl_magic_set),
3302 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3303 0, 0};
2b260de0
GS		 3304EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3305 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3306 0};
2b260de0
GS		 3307EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3308 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3309 0};
22c35a8c 3310EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3311#ifdef PERL_MICRO
3312EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3313#else
2b260de0
GS		 3314EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3315 MEMBER_TO_FPTR(Perl_magic_setsig),
3316 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3317 0};
64ca3a65 3318#endif
2b260de0 3319EXT MGVTBL PL_vtbl_pack = {0, 0, MEMBER_TO_FPTR(Perl_magic_sizepack), MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3320 0};
2b260de0
GS		 3321EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
3322 MEMBER_TO_FPTR(Perl_magic_setpack),
3323 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3324 0};
2b260de0 3325EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3326 0, 0, 0};
2b260de0
GS		 3327EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3328 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3329 0};
2b260de0 3330EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3331 0, 0, 0};
2b260de0
GS		 3332EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3333 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3334 0, 0, 0};
2b260de0
GS		 3335EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3336 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3337 0, 0, 0};
2b260de0 3338EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3339 0, 0, 0};
2b260de0
GS		 3340EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3341 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3342 0, 0, 0};
2b260de0 3343EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3344 0, 0, 0};
2b260de0 3345EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr), MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3346 0, 0, 0};
2b260de0
GS		 3347EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
3348 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3349 0, 0, 0};
2b260de0
GS		 3350EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3351 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3352 0, 0, 0};
2b260de0 3353EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3354 0, 0, 0};
2b260de0 3355EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3356 0, 0, 0};
2b260de0
GS		 3357EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3358 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3359 0, 0, 0};
4d1ff10f 3360#ifdef USE_5005THREADS
2b260de0 3361EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0, MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3362#endif /* USE_5005THREADS */
2b260de0 3363EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3364 0, 0, 0};
a0d0e21e 3365
2b260de0
GS		 3366EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3367EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3368EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3369 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3370
36477c24 3371#ifdef USE_LOCALE_COLLATE
22c35a8c 3372EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3373 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3374 0, 0, 0};
3375#endif
a0d0e21e 3376
2b260de0
GS		 3377EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3378 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3379EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3380 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3381
810b8aa5 3382EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3383 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3384
d460ef45
NIS		 3385EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3386 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3387
bbce6d69 3388#else /* !DOINIT */
3389
22c35a8c
GS		 3390EXT MGVTBL PL_vtbl_sv;
3391EXT MGVTBL PL_vtbl_env;
3392EXT MGVTBL PL_vtbl_envelem;
3393EXT MGVTBL PL_vtbl_sig;
3394EXT MGVTBL PL_vtbl_sigelem;
3395EXT MGVTBL PL_vtbl_pack;
3396EXT MGVTBL PL_vtbl_packelem;
3397EXT MGVTBL PL_vtbl_dbline;
3398EXT MGVTBL PL_vtbl_isa;
3399EXT MGVTBL PL_vtbl_isaelem;
3400EXT MGVTBL PL_vtbl_arylen;
3401EXT MGVTBL PL_vtbl_glob;
3402EXT MGVTBL PL_vtbl_mglob;
3403EXT MGVTBL PL_vtbl_nkeys;
3404EXT MGVTBL PL_vtbl_taint;
3405EXT MGVTBL PL_vtbl_substr;
3406EXT MGVTBL PL_vtbl_vec;
3407EXT MGVTBL PL_vtbl_pos;
3408EXT MGVTBL PL_vtbl_bm;
3409EXT MGVTBL PL_vtbl_fm;
3410EXT MGVTBL PL_vtbl_uvar;
d460ef45 3411EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3412
4d1ff10f 3413#ifdef USE_5005THREADS
22c35a8c 3414EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3415#endif /* USE_5005THREADS */
f93b4edd 3416
22c35a8c
GS		 3417EXT MGVTBL PL_vtbl_defelem;
3418EXT MGVTBL PL_vtbl_regexp;
3419EXT MGVTBL PL_vtbl_regdata;
3420EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3421
36477c24 3422#ifdef USE_LOCALE_COLLATE
22c35a8c 3423EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3424#endif
a0d0e21e 3425
22c35a8c
GS		 3426EXT MGVTBL PL_vtbl_amagic;
3427EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3428
810b8aa5
GS		 3429EXT MGVTBL PL_vtbl_backref;
3430
bbce6d69 3431#endif /* !DOINIT */
85e6fe83 3432
f5284f61
IZ		 3433enum {
3434 fallback_amg, abs_amg,
3435 bool__amg, nomethod_amg,
3436 string_amg, numer_amg,
3437 add_amg, add_ass_amg,
3438 subtr_amg, subtr_ass_amg,
3439 mult_amg, mult_ass_amg,
3440 div_amg, div_ass_amg,
3441 modulo_amg, modulo_ass_amg,
3442 pow_amg, pow_ass_amg,
3443 lshift_amg, lshift_ass_amg,
3444 rshift_amg, rshift_ass_amg,
3445 band_amg, band_ass_amg,
3446 bor_amg, bor_ass_amg,
3447 bxor_amg, bxor_ass_amg,
3448 lt_amg, le_amg,
3449 gt_amg, ge_amg,
3450 eq_amg, ne_amg,
3451 ncmp_amg, scmp_amg,
3452 slt_amg, sle_amg,
3453 sgt_amg, sge_amg,
3454 seq_amg, sne_amg,
3455 not_amg, compl_amg,
3456 inc_amg, dec_amg,
3457 atan2_amg, cos_amg,
3458 sin_amg, exp_amg,
3459 log_amg, sqrt_amg,
3460 repeat_amg, repeat_ass_amg,
3461 concat_amg, concat_ass_amg,
3462 copy_amg, neg_amg,
3463 to_sv_amg, to_av_amg,
3464 to_hv_amg, to_gv_amg,
d460ef45 3465 to_cv_amg, iter_amg,
f216259d
IZ		 3466 int_amg, DESTROY_amg,
3467 max_amg_code
64a0062a 3468 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3469};
3470
3471#define NofAMmeth max_amg_code
89ffc314 3472#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3473
a0d0e21e 3474#ifdef DOINIT
22c35a8c 3475EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3476 /* Names kept in the symbol table. fallback => "()", the rest has
3477 "(" prepended. The only other place in perl which knows about
3478 this convention is AMG_id2name (used for debugging output and
3479 'nomethod' only), the only other place which has it hardwired is
3480 overload.pm. */
3481 "()", "(abs", /* "fallback" should be the first. */
3482 "(bool", "(nomethod",
3483 "(\"\"", "(0+",
3484 "(+", "(+=",
3485 "(-", "(-=",
3486 "(*", "(*=",
3487 "(/", "(/=",
3488 "(%", "(%=",
3489 "(**", "(**=",
3490 "(<<", "(<<=",
3491 "(>>", "(>>=",
3492 "(&", "(&=",
3493 "(|", "(|=",
3494 "(^", "(^=",
3495 "(<", "(<=",
3496 "(>", "(>=",
3497 "(==", "(!=",
3498 "(<=>", "(cmp",
3499 "(lt", "(le",
3500 "(gt", "(ge",
3501 "(eq", "(ne",
3502 "(!", "(~",
3503 "(++", "(--",
3504 "(atan2", "(cos",
3505 "(sin", "(exp",
3506 "(log", "(sqrt",
3507 "(x", "(x=",
3508 "(.", "(.=",
3509 "(=", "(neg",
3510 "(${}", "(@{}",
3511 "(%{}", "(*{}",
3512 "(&{}", "(<>",
f216259d 3513 "(int", "DESTROY",
a0d0e21e
LW		 3514};
3515#else
22c35a8c 3516EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3517#endif /* def INITAMAGIC */
3518
73c4f7a1
GS		 3519END_EXTERN_C
3520
a6006777 3521struct am_table {
a0d0e21e
LW		 3522 long was_ok_sub;
3523 long was_ok_am;
a6006777 3524 U32 flags;
3525 CV* table[NofAMmeth];
a0d0e21e
LW		 3526 long fallback;
3527};
a6006777 3528struct am_table_short {
3529 long was_ok_sub;
3530 long was_ok_am;
3531 U32 flags;
3532};
a0d0e21e 3533typedef struct am_table AMT;
a6006777 3534typedef struct am_table_short AMTS;
a0d0e21e
LW		 3535
3536#define AMGfallNEVER 1
3537#define AMGfallNO 2
3538#define AMGfallYES 3
3539
a6006777 3540#define AMTf_AMAGIC 1
32251b26 3541#define AMTf_OVERLOADED 2
a6006777 3542#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3543#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3544#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3545#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3546#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3547#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3548
32251b26 3549#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3550
3551/*
3552 * some compilers like to redefine cos et alia as faster
3553 * (and less accurate?) versions called F_cos et cetera (Quidquid
3554 * latine dictum sit, altum viditur.) This trick collides with
3555 * the Perl overloading (amg). The following #defines fool both.
3556 */
3557
3558#ifdef _FASTMATH
3559# ifdef atan2
3560# define F_atan2_amg atan2_amg
3561# endif
3562# ifdef cos
3563# define F_cos_amg cos_amg
3564# endif
3565# ifdef exp
3566# define F_exp_amg exp_amg
3567# endif
3568# ifdef log
3569# define F_log_amg log_amg
3570# endif
3571# ifdef pow
3572# define F_pow_amg pow_amg
3573# endif
3574# ifdef sin
3575# define F_sin_amg sin_amg
3576# endif
3577# ifdef sqrt
3578# define F_sqrt_amg sqrt_amg
3579# endif
3580#endif /* _FASTMATH */
3581
83ee9e09
GS		 3582#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3583 PERLDBf_NOOPT | PERLDBf_INTER | \
3584 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3585 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3586 /* No _NONAME, _GOTO */
3587#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3588#define PERLDBf_LINE 0x02 /* Keep line # */
3589#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3590#define PERLDBf_INTER 0x08 /* Preserve more data for
3591 later inspections */
3592#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3593#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3594#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3595#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3596#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3597#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3598
3280af22
NIS		 3599#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3600#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3601#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3602#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3603#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3604#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3605#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3606#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3607#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3608#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3609
bbce6d69 3610
36477c24 3611#ifdef USE_LOCALE_NUMERIC
bbce6d69 3612
36477c24 3613#define SET_NUMERIC_STANDARD() \
ff4fed7c 3614 set_numeric_standard();
36477c24 3615
3616#define SET_NUMERIC_LOCAL() \
ff4fed7c 3617 set_numeric_local();
bbce6d69 3618
2de3dbcc
JH		 3619#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3620#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3621
3622#define IN_LOCALE \
3623 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3624
f93f4e46 3625#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3626 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3627 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3628
3629#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3630 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3631 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3632
3633#define RESTORE_NUMERIC_LOCAL() \
3634 if (was_local) SET_NUMERIC_LOCAL();
3635
3636#define RESTORE_NUMERIC_STANDARD() \
3637 if (was_standard) SET_NUMERIC_STANDARD();
3638
5b877257 3639#define Atof my_atof
097ee67d 3640
36477c24 3641#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3642
097ee67d
JH		 3643#define SET_NUMERIC_STANDARD() /**/
3644#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3645#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3646#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3647#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3648#define RESTORE_NUMERIC_LOCAL() /**/
3649#define RESTORE_NUMERIC_STANDARD() /**/
65202027 3650#define Atof Perl_atof
ad3e0f90 3651#define IN_LOCALE_RUNTIME 0
bbce6d69 3652
36477c24 3653#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3654
079290de 3655#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3656# ifdef __hpux
3657# define strtoll __strtoll /* secret handshake */
3658# endif
079290de
GS		 3659# if !defined(Strtol) && defined(HAS_STRTOLL)
3660# define Strtol strtoll
ad551343 3661# endif
28e5dec8
JH		 3662# if !defined(Strtol) && defined(HAS_STRTOQ)
3663# define Strtol strtoq
3664# endif
ff935051 3665/* is there atoq() anywhere? */
15b99d39 3666#endif
079290de
GS		 3667#if !defined(Strtol) && defined(HAS_STRTOL)
3668# define Strtol strtol
3669#endif
3670#ifndef Atol
3671/* It would be more fashionable to use Strtol() to define atol()
3672 * (as is done for Atoul(), see below) but for backward compatibility
3673 * we just assume atol(). */
76b882ba
JH		 3674# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
3675# define Atol atoll
3676# else
3677# define Atol atol
3678# endif
cf2093f6
JH		 3679#endif
3680
55eb892c 3681#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3682# ifdef __hpux
3683# define strtoull __strtoull /* secret handshake */
3684# endif
ad551343 3685# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3686# define Strtoul strtoull
15b99d39 3687# endif
079290de
GS		 3688# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3689# define Strtoul strtouq
3690# endif
76d49b1c 3691/* is there atouq() anywhere? */
ad551343 3692#endif
079290de
GS		 3693#if !defined(Strtoul) && defined(HAS_STRTOUL)
3694# define Strtoul strtoul
cf2093f6 3695#endif
079290de
GS		 3696#ifndef Atoul
3697# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3698#endif
cf2093f6 3699
e5c9fcd0 3700#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
d460ef45
NIS		 3701/*
3702 * Now we have __attribute__ out of the way
3703 * Remap printf
760ac839 3704 */
39455587 3705#undef printf
c745e42c
NIS		 3706#ifdef __GNUC__
3707#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3708#else
760ac839
LW		 3709#define printf PerlIO_stdoutf
3710#endif
c745e42c 3711#endif
760ac839 3712
06d86050
GS		 3713/* if these never got defined, they need defaults */
3714#ifndef PERL_SET_CONTEXT
3715# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3716#endif
3717
3718#ifndef PERL_GET_CONTEXT
3719# define PERL_GET_CONTEXT PERL_GET_INTERP
3720#endif
3721
3722#ifndef PERL_GET_THX
3723# define PERL_GET_THX ((void*)NULL)
3724#endif
3725
3726#ifndef PERL_SET_THX
3727# define PERL_SET_THX(t) NOOP
3728#endif
3729
a868473f
NIS		 3730#ifndef PERL_SCRIPT_MODE
3731#define PERL_SCRIPT_MODE "r"
3732#endif
3733
fba3b22e 3734/*
da927450
JH		 3735 * Some operating systems are stingy with stack allocation,
3736 * so perl may have to guard against stack overflow.
3737 */
3738#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3739#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3740#endif
3741
3742/*
3743 * Some nonpreemptive operating systems find it convenient to
3744 * check for asynchronous conditions after each op execution.
3745 * Keep this check simple, or it may slow down execution
3746 * massively.
3747 */
ce08f86c 3748
1d615522
JH		 3749#ifndef PERL_MICRO
3750# ifndef PERL_OLD_SIGNALS
2986a63f
JH		 3751# ifndef PERL_ASYNC_CHECK
3752# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3753# endif
1d615522 3754# endif
ce08f86c
NIS		 3755#endif
3756
da927450 3757#ifndef PERL_ASYNC_CHECK
1d615522 3758# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3759#endif
3760
3761/*
3762 * On some operating systems, a memory allocation may succeed,
3763 * but put the process too close to the system's comfort limit.
3764 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3765 * it to NULL.
3766 */
3767#ifndef PERL_ALLOC_CHECK
c2af87cb 3768#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3769#endif
3770
3771/*
fba3b22e
MB		 3772 * nice_chunk and nice_chunk size need to be set
3773 * and queried under the protection of sv_mutex
3774 */
30ad99e7
MJD		 3775#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3776 void *new_chunk; \
3777 U32 new_chunk_size; \
3778 LOCK_SV_MUTEX; \
3779 new_chunk = (void *)(chunk); \
3780 new_chunk_size = (chunk_size); \
3781 if (new_chunk_size > PL_nice_chunk_size) { \
3782 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
3783 PL_nice_chunk = new_chunk; \
3784 PL_nice_chunk_size = new_chunk_size; \
3785 } else { \
3786 Safefree(chunk); \
3787 } \
3788 UNLOCK_SV_MUTEX; \
3789 } STMT_END
fba3b22e 3790
bd89102f
AD		 3791#ifdef HAS_SEM
3792# include <sys/ipc.h>
3793# include <sys/sem.h>
3794# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
3795 union semun {
dbba660d
TC		 3796 int val;
3797 struct semid_ds *buf;
3798 unsigned short *array;
bd89102f
AD		 3799 };
3800# endif
3801# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 3802# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
3803 union gccbug_semun {
3804 int val;
3805 struct semid_ds *buf;
3806 unsigned short *array;
3807 char __dummy[5];
3808 };
3809# define semun gccbug_semun
3810# endif
bd89102f
AD		 3811# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
3812# else
3813# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 3814# ifdef EXTRA_F_IN_SEMUN_BUF
3815# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
3816# else
3817# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
3818# endif
bd89102f
AD		 3819# endif
3820# endif
bd89102f 3821#endif
49f531da 3822
89ca4ac7
JH		 3823/*
3824 * Boilerplate macros for initializing and accessing interpreter-local
3825 * data from C. All statics in extensions should be reworked to use
3826 * this, if you want to make the extension thread-safe. See ext/re/re.xs
3827 * for an example of the use of these macros.
3828 *
3829 * Code that uses these macros is responsible for the following:
3830 * 1. #define MY_CXT_KEY to a unique string, e.g. "DynaLoader_guts"
3831 * 2. Declare a typedef named my_cxt_t that is a structure that contains
3832 * all the data that needs to be interpreter-local.
3833 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
3834 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
3835 * (typically put in the BOOT: section).
3836 * 5. Use the members of the my_cxt_t structure everywhere as
3837 * MY_CXT.member.
3838 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
3839 * access MY_CXT.
3840 */
3841
fc958cd2 3842#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 3843
3844/* This must appear in all extensions that define a my_cxt_t structure,
3845 * right after the definition (i.e. at file scope). The non-threads
3846 * case below uses it to declare the data as static. */
3847#define START_MY_CXT
3848
3849/* Fetches the SV that keeps the per-interpreter data. */
3850#define dMY_CXT_SV \
3851 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
3852 sizeof(MY_CXT_KEY)-1, TRUE)
3853
3854/* This declaration should be used within all functions that use the
3855 * interpreter-local data. */
3856#define dMY_CXT \
3857 dMY_CXT_SV; \
ec0e15e0 3858 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 3859
3860/* Creates and zeroes the per-interpreter data.
3861 * (We allocate my_cxtp in a Perl SV so that it will be released when
3862 * the interpreter goes away.) */
3863#define MY_CXT_INIT \
3864 dMY_CXT_SV; \
3865 /* newSV() allocates one more than needed */ \
3866 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
3867 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 3868 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 3869
3870/* This macro must be used to access members of the my_cxt_t structure.
3871 * e.g. MYCXT.some_data */
3872#define MY_CXT (*my_cxtp)
3873
3874/* Judicious use of these macros can reduce the number of times dMY_CXT
3875 * is used. Use is similar to pTHX, aTHX etc. */
3876#define pMY_CXT my_cxt_t *my_cxtp
3877#define pMY_CXT_ pMY_CXT,
3878#define _pMY_CXT ,pMY_CXT
3879#define aMY_CXT my_cxtp
3880#define aMY_CXT_ aMY_CXT,
3881#define _aMY_CXT ,aMY_CXT
3882
3883#else /* USE_ITHREADS */
3884
3885#define START_MY_CXT static my_cxt_t my_cxt;
3886#define dMY_CXT_SV dNOOP
3887#define dMY_CXT dNOOP
3888#define MY_CXT_INIT NOOP
3889#define MY_CXT my_cxt
3890
3891#define pMY_CXT void
3892#define pMY_CXT_
3893#define _pMY_CXT
3894#define aMY_CXT
3895#define aMY_CXT_
3896#define _aMY_CXT
3897
3898#endif /* !defined(USE_ITHREADS) */
3899
9a34ef1d
GS		 3900#ifdef I_FCNTL
3901# include <fcntl.h>
9a34ef1d
GS		 3902#endif
3903
3904#ifdef I_SYS_FILE
3905# include <sys/file.h>
3906#endif
3907
fa0a29af 3908#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 3909int flock(int fd, int op);
3910#endif
3911
fe52b3b7
GS		 3912#ifndef O_RDONLY
3913/* Assume UNIX defaults */
3914# define O_RDONLY 0000
3915# define O_WRONLY 0001
3916# define O_RDWR 0002
3917# define O_CREAT 0100
3918#endif
9a34ef1d 3919
16fe6d59
GS		 3920#ifndef O_BINARY
3921# define O_BINARY 0
3922#endif
3923
3924#ifndef O_TEXT
3925# define O_TEXT 0
3926#endif
3927
104d25b7
JH		 3928#ifdef IAMSUID
3929
3930#ifdef I_SYS_STATVFS
9f982a77
IG		 3931# if defined(PERL_SCO) && !defined(_SVID3)
3932# define _SVID3
3933# endif
32b3cf08
JH		 3934# include <sys/statvfs.h> /* for f?statvfs() */
3935#endif
3936#ifdef I_SYS_MOUNT
3937# include <sys/mount.h> /* for *BSD f?statfs() */
3938#endif
3939#ifdef I_MNTENT
3940# include <mntent.h> /* for getmntent() */
104d25b7 3941#endif
0545a864
JH		 3942#ifdef I_SYS_STATFS
3943# include <sys/statfs.h> /* for some statfs() */
3944#endif
3945#ifdef I_SYS_VFS
8d9e1a19
GS		 3946# ifdef __sgi
3947# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
3948# endif
3949# include <sys/vfs.h> /* for some statfs() */
3950# ifdef __sgi
3951# undef IRIX_sv
3952# endif
0545a864
JH		 3953#endif
3954#ifdef I_USTAT
3955# include <ustat.h> /* for ustat() */
3956#endif
3957
3958#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
3959# define PERL_MOUNT_NOSUID MOUNT_NOSUID
3960#endif
3961#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
3962# define PERL_MOUNT_NOSUID MNT_NOSUID
3963#endif
3964#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
3965# define PERL_MOUNT_NOSUID MS_NOSUID
3966#endif
3967#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
3968# define PERL_MOUNT_NOSUID M_NOSUID
3969#endif
104d25b7
JH		 3970
3971#endif /* IAMSUID */
3972
4bc88a62
PS		 3973#ifdef I_LIBUTIL
3974# include <libutil.h> /* setproctitle() in some FreeBSDs */
3975#endif
3976
b4748376
NIS		 3977#ifndef EXEC_ARGV_CAST
3978#define EXEC_ARGV_CAST(x) x
3979#endif
3980
dd5dc04f
JH		 3981#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
3982 int). value returned in pointed-
3983 to UV */
3984#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
3985#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
3986#define IS_NUMBER_NEG 0x08 /* leading minus sign */
3987#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 3988#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 3989
3990#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
3991
53305cf1
NC		 3992/* Input flags: */
3993#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 3994#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
53305cf1
NC		 3995/* Output flags: */
3996#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
3997
2c4f7f0e
DM		 3998/* to let user control profiling */
3999#ifdef PERL_GPROF_CONTROL
4000extern void moncontrol(int);
4001#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4002#else
4003#define PERL_GPROF_MONCONTROL(x)
4004#endif
4005
ae0e3d3b
JH		 4006#ifdef UNDER_CE
4007#include "wince.h"
4008#endif
4009
4010/* ISO 6429 NEL - C1 control NExt Line */
4011/* See http://www.unicode.org/unicode/reports/tr13/ */
4012#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4013# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4014# define NEXT_LINE_CHAR 0x15
4015# else /* CDRA */
4016# define NEXT_LINE_CHAR 0x25
4017# endif
4018#else
4019# define NEXT_LINE_CHAR 0x85
4020#endif
4021
4022/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4023#define UNICODE_LINE_SEPA_0 0xE2
4024#define UNICODE_LINE_SEPA_1 0x80
4025#define UNICODE_LINE_SEPA_2 0xA8
4026#define UNICODE_PARA_SEPA_0 0xE2
4027#define UNICODE_PARA_SEPA_1 0x80
4028#define UNICODE_PARA_SEPA_2 0xA9
4029
4d8076ea 4030/* and finally... */
cceca5ed 4031#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4032#include "patchlevel.h"
cceca5ed 4033#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4034
43999f95 4035/* Mention
d460ef45 4036
43999f95 4037 NV_PRESERVES_UV
fe749a9f 4038
fe749a9f
JH		 4039 HAS_MKSTEMP
4040 HAS_MKSTEMPS
4041 HAS_MKDTEMP
4042
49dabb45
JH		 4043 HAS_GETCWD
4044
d59b5429 4045 HAS_MMAP
fe749a9f
JH		 4046 HAS_MPROTECT
4047 HAS_MSYNC
1e8c3fde 4048 HAS_MADVISE
fe749a9f
JH		 4049 HAS_MUNMAP
4050 I_SYSMMAN
4051 Mmap_t
4052
6b4667fc
A		 4053 NVef
4054 NVff
4055 NVgf
4056
4e0554ec
JH		 4057 HAS_USLEEP
4058 HAS_UALARM
4059
4060 HAS_SETITIMER
4061 HAS_GETITIMER
4062
4063 HAS_SENDMSG
4064 HAS_RECVMSG
4065 HAS_READV
4066 HAS_WRITEV
4067 I_SYSUIO
4068 HAS_STRUCT_MSGHDR
4069 HAS_STRUCT_CMSGHDR
4070
2765b840 4071 HAS_NL_LANGINFO
ae0e3d3b
JH		 4072
4073 HAS_DIRFD
2765b840 4074
43999f95
JH		 4075 so that Configure picks them up. */
4076
85e6fe83 4077#endif /* Include guard */
ae0e3d3b 4078
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