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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2
JH		 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 * 2000, 2001, 2002, 2003, by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
ba979b31
NIS		 47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
6916a0ab
NIS		 51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
ba979b31
NIS		 53# endif
54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
GS		 58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
GS		 62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
GS		 66#endif
67
026fd48b
GH		 68/* undef WIN32 when building on Cygwin (for libwin32) - gph */
69#ifdef __CYGWIN__
70# undef WIN32
71# undef _WIN32
72#endif
73
10bc17b6
JH		 74/* Use the reentrant APIs like localtime_r and getpwent_r */
75/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 76#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 77# define USE_REENTRANT_API
78#endif
79
ac6bedea
JH		 80/* <--- here ends the logic shared by perl.h and makedef.pl */
81
af28e889 82/*
6239f2da
JH		 83 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
84 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 85 * __bsdi__ for BSD/OS
86 */
6239f2da 87#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 88# ifndef BSDish
89# define BSDish
90# endif
91#endif
92
c5be433b 93#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 94# ifndef MULTIPLICITY
95# define MULTIPLICITY
c5be433b 96# endif
3db8f154
MB		 97# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
98# define aTHX my_perl
99# define dTHXa(a) pTHX = (PerlInterpreter*)a
fd89de3a 100# define dTHX pTHX = PERL_GET_THX
c5be433b 101# define pTHX_ pTHX,
c5be433b 102# define aTHX_ aTHX,
894356b3
GS		 103# define pTHX_1 2
104# define pTHX_2 3
105# define pTHX_3 4
106# define pTHX_4 5
c5be433b
GS		 107#endif
108
76e3520e
GS		 109#define STATIC static
110#define CPERLscope(x) x
565764a8 111#define CPERLarg void
76e3520e 112#define CPERLarg_
e3b8966e 113#define _CPERLarg
1d583055
GS		 114#define PERL_OBJECT_THIS
115#define _PERL_OBJECT_THIS
116#define PERL_OBJECT_THIS_
312caa8e 117#define CALL_FPTR(fptr) (*fptr)
76e3520e 118
312caa8e
CS		 119#define CALLRUNOPS CALL_FPTR(PL_runops)
120#define CALLREGCOMP CALL_FPTR(PL_regcompp)
121#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 122#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
123#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
124#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8
GS		 125
126#ifdef PERL_FLEXIBLE_EXCEPTIONS
127# define CALLPROTECT CALL_FPTR(PL_protect)
128#endif
312caa8e 129
44dbb695 130#ifdef HASATTRIBUTE
3da75212
MB		 131# if defined(__GNUC__) && defined(__cplusplus)
132# define PERL_UNUSED_DECL
133# else
134# define PERL_UNUSED_DECL __attribute__((unused))
135# endif
44dbb695
JH		 136#else
137# define PERL_UNUSED_DECL
138#endif
139
349b520e
DM		 140/* gcc -Wall:
141 * for silencing unused variables that are actually used most of the time,
142 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
143 */
144#define PERL_UNUSED_VAR(var) if (0) var = var
145
0cb96387 146#define NOOP (void)0
44dbb695 147#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 148
0cb96387
GS		 149#ifndef pTHX
150# define pTHX void
151# define pTHX_
0cb96387
GS		 152# define aTHX
153# define aTHX_
0cb96387
GS		 154# define dTHXa(a) dNOOP
155# define dTHX dNOOP
894356b3
GS		 156# define pTHX_1 1
157# define pTHX_2 2
158# define pTHX_3 3
159# define pTHX_4 4
0cb96387
GS		 160#endif
161
b4f7f263
GS		 162/* these are only defined for compatibility; should not be used internally */
163#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 164# define pTHXo pTHX
165# define pTHXo_ pTHX_
0cb96387
GS		 166# define aTHXo aTHX
167# define aTHXo_ aTHX_
c5be433b 168# define dTHXo dTHX
71d280e3 169# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 170#endif
171
172#ifndef pTHXx
173# define pTHXx register PerlInterpreter *my_perl
174# define pTHXx_ pTHXx,
0cb96387
GS		 175# define aTHXx my_perl
176# define aTHXx_ aTHXx,
c5be433b 177# define dTHXx dTHX
22c35a8c 178#endif
71be2cbc 179
1de7c2ac
GS		 180/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
181 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
182 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
183#ifdef PERL_IMPLICIT_SYS
184# define dTHXs dTHX
185#else
186# define dTHXs dNOOP
187#endif
188
326b05e3
GS		 189#undef START_EXTERN_C
190#undef END_EXTERN_C
191#undef EXTERN_C
32f822de
GS		 192#ifdef __cplusplus
193# define START_EXTERN_C extern "C" {
194# define END_EXTERN_C }
195# define EXTERN_C extern "C"
196#else
d460ef45
NIS		 197# define START_EXTERN_C
198# define END_EXTERN_C
73c4f7a1 199# define EXTERN_C extern
32f822de
GS		 200#endif
201
462e5cf6
MB		 202#ifdef OP_IN_REGISTER
203# ifdef __GNUC__
204# define stringify_immed(s) #s
205# define stringify(s) stringify_immed(s)
d1ca3daa 206register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 207# endif
208#endif
209
5dc8bdac
JH		 210#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
211# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
212#endif
213
728e2803 214/*
215 * STMT_START { statements; } STMT_END;
216 * can be used as a single statement, as in
217 * if (x) STMT_START { ... } STMT_END; else ...
218 *
219 * Trying to select a version that gives no warnings...
220 */
221#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 222# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
728e2803 223# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
224# define STMT_END )
225# else
226 /* Now which other defined()s do we need here ??? */
93189314 227# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 228# define STMT_START if (1)
229# define STMT_END else (void)0
230# else
231# define STMT_START do
232# define STMT_END while (0)
233# endif
234# endif
235#endif
236
0cb96387 237#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 238#define WITH_THR(s) WITH_THX(s)
ea0efc06 239
55497cff 240/*
241 * SOFT_CAST can be used for args to prototyped functions to retain some
242 * type checking; it only casts if the compiler does not know prototypes.
243 */
244#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
245#define SOFT_CAST(type)
246#else
247#define SOFT_CAST(type) (type)
248#endif
79072805 249
99ec81d3
JH		 250/* Only these byteorders are really known and tested. */
251#if !(BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 || BYTEORDER == 0x4321 || BYTEORDER == 0x87654321)
252# error "UNKNOWN BYTEORDER!"
79072805
LW		 253#endif
254
255/* Overall memory policy? */
256#ifndef CONSERVATIVE
257# define LIBERAL 1
258#endif
259
8ada0baa
JH		 260#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
261#define ASCIIish
262#else
263#undef ASCIIish
264#endif
265
79072805
LW		 266/*
267 * The following contortions are brought to you on behalf of all the
268 * standards, semi-standards, de facto standards, not-so-de-facto standards
269 * of the world, as well as all the other botches anyone ever thought of.
270 * The basic theory is that if we work hard enough here, the rest of the
271 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
272 */
ac58e20f 273
ee0007ab 274/* define this once if either system, instead of cluttering up the src */
2986a63f 275#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 276#define DOSISH 1
277#endif
278
2986a63f 279#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 280# define STANDARD_C 1
281#endif
282
a03dbf46 283#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 284# define DONT_DECLARE_STD 1
285#endif
286
352d5a3a 287#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 288# ifdef __cplusplus
cb69f87a 289# define VOL /* to temporarily suppress warnings */
79072805
LW		 290# else
291# define VOL volatile
292# endif
663a0e37 293#else
79072805 294# define VOL
663a0e37
LW		 295#endif
296
3280af22
NIS		 297#define TAINT (PL_tainted = TRUE)
298#define TAINT_NOT (PL_tainted = FALSE)
299#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
300#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 301#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 302
d460ef45 303/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 304 defines move there? If so, I could simplify this a lot. --AD 9/96.
305*/
306/* Process group stuff changed from traditional BSD to POSIX.
307 perlfunc.pod documents the traditional BSD-style syntax, so we'll
308 try to preserve that, if possible.
309*/
310#ifdef HAS_SETPGID
311# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 312#else
a6e633de 313# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
314# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
315# else
316# ifdef HAS_SETPGRP2 /* DG/UX */
317# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
318# endif
319# endif
320#endif
321#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
322# define HAS_SETPGRP /* Well, effectively it does . . . */
323#endif
324
325/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
326 our life easier :-) so we'll try it.
327*/
328#ifdef HAS_GETPGID
329# define BSD_GETPGRP(pid) getpgid((pid))
330#else
331# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
332# define BSD_GETPGRP(pid) getpgrp((pid))
333# else
334# ifdef HAS_GETPGRP2 /* DG/UX */
335# define BSD_GETPGRP(pid) getpgrp2((pid))
336# endif
337# endif
338#endif
339#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
340# define HAS_GETPGRP /* Well, effectively it does . . . */
341#endif
342
d460ef45 343/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 344 have different behaviors, but perl.h used to define USE_BSDPGRP
345 (prior to 5.003_05) so some extension might depend on it.
346*/
347#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
348# ifndef USE_BSDPGRP
349# define USE_BSDPGRP
350# endif
663a0e37
LW		 351#endif
352
8ac5a1fe
MH		 353/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
354 pthread.h must be included before all other header files.
355*/
3db8f154 356#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 357# include <pthread.h>
358#endif
359
760ac839
LW		 360#ifndef _TYPES_ /* If types.h defines this it's easy. */
361# ifndef major /* Does everyone's types.h define this? */
362# include <sys/types.h>
c07a80fd 363# endif
663a0e37
LW		 364#endif
365
760ac839
LW		 366#ifdef __cplusplus
367# ifndef I_STDARG
368# define I_STDARG 1
369# endif
370#endif
371
372#ifdef I_STDARG
373# include <stdarg.h>
374#else
375# ifdef I_VARARGS
376# include <varargs.h>
377# endif
378#endif
379
4633a7c4 380#ifdef USE_NEXT_CTYPE
0c30d9ec 381
092bebab
JH		 382#if NX_CURRENT_COMPILER_RELEASE >= 500
383# include <bsd/ctypes.h>
384#else
385# if NX_CURRENT_COMPILER_RELEASE >= 400
386# include <objc/NXCType.h>
387# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
388# include <appkit/NXCType.h>
389# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
390#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 391
392#else /* !USE_NEXT_CTYPE */
fe14fcc3 393#include <ctype.h>
0c30d9ec 394#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 395
396#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
397#undef METHOD
a0d0e21e
LW		 398#endif
399
12ae5dfc
JH		 400#ifdef PERL_MICRO
401# define NO_LOCALE
402#endif
403
4633a7c4 404#ifdef I_LOCALE
36477c24 405# include <locale.h>
4633a7c4
LW		 406#endif
407
36477c24 408#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
409# define USE_LOCALE
410# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
411 && defined(HAS_STRXFRM)
412# define USE_LOCALE_COLLATE
413# endif
414# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
415# define USE_LOCALE_CTYPE
416# endif
417# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
418# define USE_LOCALE_NUMERIC
419# endif
420#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 421
fe14fcc3 422#include <setjmp.h>
79072805 423
a0d0e21e 424#ifdef I_SYS_PARAM
79072805
LW		 425# ifdef PARAM_NEEDS_TYPES
426# include <sys/types.h>
427# endif
428# include <sys/param.h>
352d5a3a 429#endif
79072805 430
79072805 431/* Use all the "standard" definitions? */
a0d0e21e 432#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 433# include <stdlib.h>
ff68c719 434#endif
03a14243 435
3f270f98
JH		 436/* If this causes problems, set i_unistd=undef in the hint file. */
437#ifdef I_UNISTD
438# include <unistd.h>
439#endif
440
7114a2d2 441#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 442int syscall(int, ...);
443#endif
444
7114a2d2 445#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 446int usleep(unsigned int);
2ef53570
JH		 447#endif
448
9a34ef1d
GS		 449#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
450# define MYSWAP
451#endif
452
66a93824
NIS		 453/* Cannot include embed.h here on Win32 as win32.h has not
454 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
455 */
96e176bf 456#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 457# include "embed.h"
458#endif
459
c31fac66
GS		 460#define MEM_SIZE Size_t
461
51371543
GS		 462#if defined(STANDARD_C) && defined(I_STDDEF)
463# include <stddef.h>
464# define STRUCT_OFFSET(s,m) offsetof(s,m)
465#else
466# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
467#endif
468
469#if defined(I_STRING) || defined(__cplusplus)
470# include <string.h>
471#else
472# include <strings.h>
473#endif
474
55497cff 475/* This comes after <stdlib.h> so we don't try to change the standard
476 * library prototypes; we'll use our own in proto.h instead. */
03a14243 477
4633a7c4 478#ifdef MYMALLOC
86058a2d 479# ifdef PERL_POLLUTE_MALLOC
ee13e175 480# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 481# define Perl_malloc malloc
482# define Perl_calloc calloc
483# define Perl_realloc realloc
484# define Perl_mfree free
ee13e175 485# endif
86058a2d
GS		 486# else
487# define EMBEDMYMALLOC /* for compatibility */
488# endif
827e134a 489
651b9576
GS		 490# define safemalloc Perl_malloc
491# define safecalloc Perl_calloc
492# define saferealloc Perl_realloc
493# define safefree Perl_mfree
22f7c9c9
JH		 494# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
495 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
496 code; \
497 } STMT_END
498# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
499 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
500# define panic_write2(s) write(2, s, strlen(s))
501# define CHECK_MALLOC_TAINT(newval) \
502 CHECK_MALLOC_TOO_LATE_FOR_( \
503 if (newval) { \
504 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
505 exit(1); })
22f7c9c9 506# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 507 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 508 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
509 }} STMT_END;
f2517201
GS		 510#else /* MYMALLOC */
511# define safemalloc safesysmalloc
512# define safecalloc safesyscalloc
513# define saferealloc safesysrealloc
514# define safefree safesysfree
22f7c9c9
JH		 515# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
516# define CHECK_MALLOC_TAINT(newval) ((void)0)
517# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 518#endif /* MYMALLOC */
4633a7c4 519
22f7c9c9
JH		 520#define TOO_LATE_FOR_(ch,s) Perl_croak(aTHX_ "Too late for \"-%c\" option%s", (char)(ch), s)
521#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
522#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
523#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
524
a0d0e21e
LW		 525#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
526#define strchr index
527#define strrchr rindex
528#endif
529
16d20bd9
AD		 530#ifdef I_MEMORY
531# include <memory.h>
532#endif
533
fe14fcc3 534#ifdef HAS_MEMCPY
85e6fe83 535# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 536# ifndef memcpy
20ce7b12 537 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 538# endif
539# endif
540#else
541# ifndef memcpy
542# ifdef HAS_BCOPY
543# define memcpy(d,s,l) bcopy(s,d,l)
544# else
545# define memcpy(d,s,l) my_bcopy(s,d,l)
546# endif
547# endif
548#endif /* HAS_MEMCPY */
fe14fcc3 549
ee0007ab 550#ifdef HAS_MEMSET
85e6fe83 551# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 552# ifndef memset
20ce7b12 553 extern char *memset (char*, int, int);
ee0007ab
LW		 554# endif
555# endif
ee0007ab 556#else
12ae5dfc 557# undef memset
fc36a67e 558# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 559#endif /* HAS_MEMSET */
560
85e6fe83 561#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 562# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 563# define memmove(d,s,l) bcopy(s,d,l)
564# else
2304df62 565# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 566# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 567# else
79072805 568# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 569# endif
352d5a3a 570# endif
d9d8d8de 571#endif
ee0007ab 572
36477c24 573#if defined(mips) && defined(ultrix) && !defined(__STDC__)
574# undef HAS_MEMCMP
575#endif
576
577#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 578# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 579# ifndef memcmp
20ce7b12 580 extern int memcmp (char*, char*, int);
ee0007ab
LW		 581# endif
582# endif
36477c24 583# ifdef BUGGY_MSC
584 # pragma function(memcmp)
585# endif
ee0007ab
LW		 586#else
587# ifndef memcmp
ecfc5424 588# define memcmp my_memcmp
352d5a3a 589# endif
36477c24 590#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 591
fc36a67e 592#ifndef memzero
c635e13b 593# ifdef HAS_MEMSET
594# define memzero(d,l) memset(d,0,l)
79072805 595# else
c635e13b 596# ifdef HAS_BZERO
597# define memzero(d,l) bzero(d,l)
79072805 598# else
fc36a67e 599# define memzero(d,l) my_bzero(d,l)
79072805
LW		 600# endif
601# endif
d9d8d8de 602#endif
378cc40b 603
2f42fcb0 604#ifndef PERL_MICRO
0f27ced1
JH		 605#ifndef memchr
606# ifndef HAS_MEMCHR
607# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
608# endif
609#endif
2f42fcb0 610#endif
0f27ced1 611
36477c24 612#ifndef HAS_BCMP
613# ifndef bcmp
614# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 615# endif
36477c24 616#endif /* !HAS_BCMP */
378cc40b 617
ae986130 618#ifdef I_NETINET_IN
79072805 619# include <netinet/in.h>
ae986130
LW		 620#endif
621
28e8609d
JH		 622#ifdef I_ARPA_INET
623# include <arpa/inet.h>
624#endif
625
84902520
TB		 626#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
627/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
628 * (the neo-BSD seem to do this). */
629# undef SF_APPEND
630#endif
631
1aef975c 632#ifdef I_SYS_STAT
84902520 633# include <sys/stat.h>
1aef975c 634#endif
79072805 635
a0d0e21e
LW		 636/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
637 like UTekV) are broken, sometimes giving false positives. Undefine
638 them here and let the code below set them to proper values.
639
640 The ghs macro stands for GreenHills Software C-1.8.5 which
641 is the C compiler for sysV88 and the various derivatives.
642 This header file bug is corrected in gcc-2.5.8 and later versions.
643 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
644
645#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 646# undef S_ISDIR
647# undef S_ISCHR
648# undef S_ISBLK
649# undef S_ISREG
650# undef S_ISFIFO
651# undef S_ISLNK
ee0007ab 652#endif
135863df 653
663a0e37
LW		 654#ifdef I_TIME
655# include <time.h>
ffed7fef 656#endif
663a0e37 657
fe14fcc3 658#ifdef I_SYS_TIME
85e6fe83 659# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 660# define KERNEL
661# endif
662# include <sys/time.h>
85e6fe83 663# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 664# undef KERNEL
665# endif
a687059c 666#endif
135863df 667
55497cff 668#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 669# include <sys/times.h>
d9d8d8de 670#endif
8d063cd8 671
fe14fcc3 672#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 673# undef HAS_STRERROR
663a0e37
LW		 674#endif
675
676#include <errno.h>
1e743fda 677
acfe0abc 678#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 679# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
680#endif
681
8cfab5ff
JH		 682/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
683 * This is important for using IPv6.
684 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
685 * a bad idea since it breaks send() and recv(). */
686#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
687# define _SOCKADDR_LEN
688#endif
689
8d3f517a 690#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 691# include <sys/socket.h>
692# if defined(USE_SOCKS) && defined(I_SOCKS)
693# if !defined(INCLUDE_PROTOTYPES)
694# define INCLUDE_PROTOTYPES /* for <socks.h> */
695# define PERL_SOCKS_NEED_PROTOTYPES
696# endif
697# include <socks.h>
698# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
699# undef INCLUDE_PROTOTYPES
700# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 701# endif
d460ef45 702# endif
1e743fda 703# ifdef I_NETDB
2986a63f
JH		 704# ifdef NETWARE
705# include<stdio.h>
706# endif
1e743fda
JH		 707# include <netdb.h>
708# endif
709# ifndef ENOTSOCK
710# ifdef I_NET_ERRNO
711# include <net/errno.h>
712# endif
713# endif
714#endif
715
fa0a29af 716/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 717 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 718#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH		 719int sockatmark(int);
720#endif
721
1e743fda
JH		 722#ifdef SETERRNO
723# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 724#endif
f86702cc 725
726#ifdef VMS
727# define SETERRNO(errcode,vmserrcode) \
728 STMT_START { \
729 set_errno(errcode); \
730 set_vaxc_errno(vmserrcode); \
731 } STMT_END
93189314
JH		 732# define LIB_INVARG LIB$_INVARG
733# define RMS_DIR RMS$_DIR
734# define RMS_FAC RMS$_FAC
735# define RMS_FEX RMS$_FEX
736# define RMS_FNF RMS$_FNF
737# define RMS_IFI RMS$_IFI
738# define RMS_ISI RMS$_ISI
739# define RMS_PRV RMS$_PRV
740# define SS_ACCVIO SS$_ACCVIO
741# define SS_DEVOFFLINE SS$_DEVOFFLINE
742# define SS_IVCHAN SS$_IVCHAN
743# define SS_NORMAL SS$_NORMAL
748a9306 744#else
aba27d88 745# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 746# define LIB_INVARG 0
747# define RMS_DIR 0
748# define RMS_FAC 0
749# define RMS_FEX 0
750# define RMS_FNF 0
751# define RMS_IFI 0
752# define RMS_ISI 0
753# define RMS_PRV 0
754# define SS_ACCVIO 0
755# define SS_DEVOFFLINE 0
756# define SS_IVCHAN 0
757# define SS_NORMAL 0
748a9306 758#endif
ed6116ce 759
3db8f154
MB		 760#define ERRSV GvSV(PL_errgv)
761#define DEFSV GvSV(PL_defgv)
762#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 763
98eae8f5
GS		 764#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
765
55497cff 766#ifndef errno
5ff3f7a4
GS		 767 extern int errno; /* ANSI allows errno to be an lvalue expr.
768 * For example in multithreaded environments
769 * something like this might happen:
770 * extern int *_errno(void);
771 * #define errno (*_errno()) */
d9d8d8de 772#endif
663a0e37 773
2304df62 774#ifdef HAS_STRERROR
a0d0e21e 775# ifdef VMS
20ce7b12 776 char *strerror (int,...);
a0d0e21e 777# else
68dc0745 778#ifndef DONT_DECLARE_STD
20ce7b12 779 char *strerror (int);
68dc0745 780#endif
a0d0e21e 781# endif
2304df62
AD		 782# ifndef Strerror
783# define Strerror strerror
784# endif
785#else
786# ifdef HAS_SYS_ERRLIST
79072805
LW		 787 extern int sys_nerr;
788 extern char *sys_errlist[];
2304df62
AD		 789# ifndef Strerror
790# define Strerror(e) \
79072805 791 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 792# endif
79072805 793# endif
35c8bce7 794#endif
663a0e37 795
2304df62 796#ifdef I_SYS_IOCTL
79072805
LW		 797# ifndef _IOCTL_
798# include <sys/ioctl.h>
799# endif
a687059c
LW		 800#endif
801
ee0007ab 802#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 803# ifdef HAS_SOCKETPAIR
804# undef HAS_SOCKETPAIR
805# endif
2304df62
AD		 806# ifdef I_NDBM
807# undef I_NDBM
79072805 808# endif
a687059c
LW		 809#endif
810
02fc2eee
NC		 811#ifndef HAS_SOCKETPAIR
812# ifdef HAS_SOCKET
813# define socketpair Perl_my_socketpair
814# endif
815#endif
816
a687059c 817#if INTSIZE == 2
79072805
LW		 818# define htoni htons
819# define ntohi ntohs
a687059c 820#else
79072805
LW		 821# define htoni htonl
822# define ntohi ntohl
a687059c
LW		 823#endif
824
a0d0e21e 825/* Configure already sets Direntry_t */
35c8bce7 826#if defined(I_DIRENT)
663a0e37 827# include <dirent.h>
8f1f23e8
W		 828 /* NeXT needs dirent + sys/dir.h */
829# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 830# include <sys/dir.h>
831# endif
ae986130 832#else
fe14fcc3 833# ifdef I_SYS_NDIR
79a0689e 834# include <sys/ndir.h>
663a0e37 835# else
fe14fcc3 836# ifdef I_SYS_DIR
79a0689e
LW		 837# ifdef hp9000s500
838# include <ndir.h> /* may be wrong in the future */
839# else
840# include <sys/dir.h>
841# endif
663a0e37
LW		 842# endif
843# endif
4633a7c4 844#endif
a687059c 845
12ae5dfc
JH		 846#ifdef PERL_MICRO
847# ifndef DIR
848# define DIR void
849# endif
850#endif
851
352d5a3a
LW		 852#ifdef FPUTS_BOTCH
853/* work around botch in SunOS 4.0.1 and 4.0.2 */
854# ifndef fputs
79072805 855# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 856# endif
857#endif
858
c623bd54
LW		 859/*
860 * The following gobbledygook brought to you on behalf of __STDC__.
861 * (I could just use #ifndef __STDC__, but this is more bulletproof
862 * in the face of half-implementations.)
863 */
864
7114a2d2 865#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 866#include <sys/mode.h>
867#endif
868
c623bd54
LW		 869#ifndef S_IFMT
870# ifdef _S_IFMT
871# define S_IFMT _S_IFMT
872# else
873# define S_IFMT 0170000
874# endif
875#endif
876
877#ifndef S_ISDIR
878# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
879#endif
880
881#ifndef S_ISCHR
882# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
883#endif
884
885#ifndef S_ISBLK
fe14fcc3
LW		 886# ifdef S_IFBLK
887# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
888# else
889# define S_ISBLK(m) (0)
890# endif
c623bd54
LW		 891#endif
892
893#ifndef S_ISREG
894# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
895#endif
896
897#ifndef S_ISFIFO
fe14fcc3
LW		 898# ifdef S_IFIFO
899# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
900# else
901# define S_ISFIFO(m) (0)
902# endif
c623bd54
LW		 903#endif
904
905#ifndef S_ISLNK
906# ifdef _S_ISLNK
907# define S_ISLNK(m) _S_ISLNK(m)
908# else
909# ifdef _S_IFLNK
910# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
911# else
912# ifdef S_IFLNK
913# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
914# else
915# define S_ISLNK(m) (0)
916# endif
917# endif
918# endif
919#endif
920
921#ifndef S_ISSOCK
922# ifdef _S_ISSOCK
923# define S_ISSOCK(m) _S_ISSOCK(m)
924# else
925# ifdef _S_IFSOCK
926# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
927# else
928# ifdef S_IFSOCK
929# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
930# else
931# define S_ISSOCK(m) (0)
932# endif
933# endif
934# endif
935#endif
936
937#ifndef S_IRUSR
938# ifdef S_IREAD
939# define S_IRUSR S_IREAD
940# define S_IWUSR S_IWRITE
941# define S_IXUSR S_IEXEC
942# else
943# define S_IRUSR 0400
944# define S_IWUSR 0200
945# define S_IXUSR 0100
946# endif
fac7cdfc
JS		 947#endif
948
949#ifndef S_IRGRP
950# ifdef S_IRUSR
951# define S_IRGRP (S_IRUSR>>3)
952# define S_IWGRP (S_IWUSR>>3)
953# define S_IXGRP (S_IXUSR>>3)
954# else
955# define S_IRGRP 0040
956# define S_IWGRP 0020
957# define S_IXGRP 0010
958# endif
959#endif
960
961#ifndef S_IROTH
962# ifdef S_IRUSR
963# define S_IROTH (S_IRUSR>>6)
964# define S_IWOTH (S_IWUSR>>6)
965# define S_IXOTH (S_IXUSR>>6)
966# else
967# define S_IROTH 0040
968# define S_IWOTH 0020
969# define S_IXOTH 0010
970# endif
c623bd54
LW		 971#endif
972
973#ifndef S_ISUID
974# define S_ISUID 04000
975#endif
976
977#ifndef S_ISGID
978# define S_ISGID 02000
979#endif
980
ca6e1c26
JH		 981#ifndef S_IRWXU
982# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 983#endif
ca6e1c26
JH		 984
985#ifndef S_IRWXG
986# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 987#endif
ca6e1c26
JH		 988
989#ifndef S_IRWXO
990# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 991#endif
ca6e1c26 992
c21fb2b8
JH		 993/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
994 * which would get included through <sys/file.h >, but that is 3000
995 * lines in the future. --jhi */
996
997#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 998# define S_IREAD S_IRUSR
999#endif
1000
c21fb2b8 1001#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1002# define S_IWRITE S_IWUSR
1003#endif
1004
1005#ifndef S_IEXEC
1006# define S_IEXEC S_IXUSR
1007#endif
1008
79072805
LW		 1009#ifdef ff_next
1010# undef ff_next
352d5a3a
LW		 1011#endif
1012
a0d0e21e 1013#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1014# define SLOPPYDIVIDE
1015#endif
1016
748a9306
LW		 1017#ifdef UV
1018#undef UV
1019#endif
1020
c89df6bf
JH		 1021#ifdef SPRINTF_E_BUG
1022# define sprintf UTS_sprintf_wrap
1023#endif
1024
c495e728
JH		 1025/* Configure gets this right but the UTS compiler gets it wrong.
1026 -- Hal Morris <hom00@utsglobal.com> */
1027#ifdef UTS
1028# undef UVTYPE
1029# define UVTYPE unsigned
1030#endif
1031
05f13f53 1032/*
27d4fb96 1033 The IV type is supposed to be long enough to hold any integral
1034 value or a pointer.
1035 --Andy Dougherty August 1996
1036*/
1037
a22e52b9
JH		 1038typedef IVTYPE IV;
1039typedef UVTYPE UV;
8175356b 1040
10cc9d2a 1041#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1042# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1043# define IV_MAX INT64_MAX
1044# define IV_MIN INT64_MIN
1045# define UV_MAX UINT64_MAX
cae7ae48
JH		 1046# ifndef UINT64_MIN
1047# define UINT64_MIN 0
1048# endif
5ff3f7a4
GS		 1049# define UV_MIN UINT64_MIN
1050# else
1051# define IV_MAX PERL_QUAD_MAX
1052# define IV_MIN PERL_QUAD_MIN
1053# define UV_MAX PERL_UQUAD_MAX
1054# define UV_MIN PERL_UQUAD_MIN
1055# endif
cf2093f6
JH		 1056# define IV_IS_QUAD
1057# define UV_IS_QUAD
79072805 1058#else
8175356b 1059# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1060# define IV_MAX INT32_MAX
1061# define IV_MIN INT32_MIN
716026f9
DL		 1062# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1063# define UV_MAX UINT32_MAX
1064# else
1065# define UV_MAX 4294967295U
1066# endif
cae7ae48
JH		 1067# ifndef UINT32_MIN
1068# define UINT32_MIN 0
1069# endif
5ff3f7a4
GS		 1070# define UV_MIN UINT32_MIN
1071# else
1072# define IV_MAX PERL_LONG_MAX
1073# define IV_MIN PERL_LONG_MIN
1074# define UV_MAX PERL_ULONG_MAX
1075# define UV_MIN PERL_ULONG_MIN
1076# endif
8175356b 1077# if IVSIZE == 8
cf2093f6
JH		 1078# define IV_IS_QUAD
1079# define UV_IS_QUAD
de1c2614
JH		 1080# ifndef HAS_QUAD
1081# define HAS_QUAD
1082# endif
cf2093f6
JH		 1083# else
1084# undef IV_IS_QUAD
1085# undef UV_IS_QUAD
de1c2614 1086# undef HAS_QUAD
cf2093f6 1087# endif
79072805 1088#endif
d7d93a81 1089
6cde8aec 1090#if defined(uts) || defined(UTS)
11afe549
HM		 1091# undef UV_MAX
1092# define UV_MAX (4294967295u)
20601011
JH		 1093#endif
1094
cae7ae48 1095#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1096#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1097
28e5dec8 1098#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1099#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1100#endif
1101
d460ef45 1102/*
26bb67e2
JH		 1103 * The macros INT2PTR and NUM2PTR are (despite their names)
1104 * bi-directional: they will convert int/float to or from pointers.
1105 * However the conversion to int/float are named explicitly:
1106 * PTR2IV, PTR2UV, PTR2NV.
1107 *
1108 * For int conversions we do not need two casts if pointers are
1109 * the same size as IV and UV. Otherwise we need an explicit
1110 * cast (PTRV) to avoid compiler warnings.
1111 */
56431972
RB		 1112#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1113# define PTRV UV
1114# define INT2PTR(any,d) (any)(d)
1115#else
d460ef45 1116# if PTRSIZE == LONGSIZE
56431972 1117# define PTRV unsigned long
42718184 1118# else
56431972 1119# define PTRV unsigned
42718184 1120# endif
56431972 1121# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1122#endif
56431972
RB		 1123#define NUM2PTR(any,d) (any)(PTRV)(d)
1124#define PTR2IV(p) INT2PTR(IV,p)
1125#define PTR2UV(p) INT2PTR(UV,p)
1126#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1127#if PTRSIZE == LONGSIZE
d2560b70
RB		 1128# define PTR2ul(p) (unsigned long)(p)
1129#else
1130# define PTR2ul(p) INT2PTR(unsigned long,p)
1131#endif
d460ef45 1132
65202027 1133#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1134# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1135# define LONG_DOUBLE_EQUALS_DOUBLE
1136# endif
68d4903c 1137# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1138# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1139# endif
1140#endif
1141
2d4389e4
JH		 1142#ifdef OVR_DBL_DIG
1143/* Use an overridden DBL_DIG */
1144# ifdef DBL_DIG
1145# undef DBL_DIG
1146# endif
1147# define DBL_DIG OVR_DBL_DIG
1148#else
1149/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1150 default value for printing floating point numbers in Gconvert
1151 (see config.h). (It also has other uses, such as figuring out if
1152 a given precision of printing can be done with a double instead of
1153 a long double - Allen).
2d4389e4
JH		 1154*/
1155#ifdef I_LIMITS
1156#include <limits.h>
1157#endif
1158#ifdef I_FLOAT
1159#include <float.h>
1160#endif
1161#ifndef HAS_DBL_DIG
1162#define DBL_DIG 15 /* A guess that works lots of places */
1163#endif
1164#endif
cbca01e1
JH		 1165#ifdef I_FLOAT
1166#include <float.h>
1167#endif
1168#ifndef HAS_DBL_DIG
1169#define DBL_DIG 15 /* A guess that works lots of places */
1170#endif
2d4389e4
JH		 1171
1172#ifdef OVR_LDBL_DIG
1173/* Use an overridden LDBL_DIG */
1174# ifdef LDBL_DIG
1175# undef LDBL_DIG
1176# endif
1177# define LDBL_DIG OVR_LDBL_DIG
1178#else
1179/* The following is all to get LDBL_DIG, in order to pick a nice
1180 default value for printing floating point numbers in Gconvert.
1181 (see config.h)
1182*/
68d4903c
JH		 1183# ifdef I_LIMITS
1184# include <limits.h>
1185# endif
1186# ifdef I_FLOAT
1187# include <float.h>
1188# endif
1189# ifndef HAS_LDBL_DIG
1190# if LONG_DOUBLESIZE == 10
1191# define LDBL_DIG 18 /* assume IEEE */
1192# else
1193# if LONG_DOUBLESIZE == 12
1194# define LDBL_DIG 18 /* gcc? */
1195# else
1196# if LONG_DOUBLESIZE == 16
1197# define LDBL_DIG 33 /* assume IEEE */
1198# else
1199# if LONG_DOUBLESIZE == DOUBLESIZE
1200# define LDBL_DIG DBL_DIG /* bummer */
1201# endif
1202# endif
1203# endif
1204# endif
1205# endif
2d4389e4
JH		 1206#endif
1207
20f6aaab
AS		 1208/*
1209 * This is for making sure we have a good DBL_MAX value, if possible,
1210 * either for usage as NV_MAX or for usage in figuring out if we can
1211 * fit a given long double into a double, if bug-fixing makes it
1212 * necessary to do so. - Allen <allens@cpan.org>
1213 */
1214
205f51d8
AS		 1215#ifdef I_LIMITS
1216# include <limits.h>
20f6aaab
AS		 1217#endif
1218
205f51d8
AS		 1219#ifdef I_VALUES
1220# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1221# include <values.h>
1222# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1223# define DBL_MAX MAXDOUBLE
1224# endif
1225# if defined(MINDOUBLE) && !defined(DBL_MIN)
1226# define DBL_MIN MINDOUBLE
1227# endif
1228# endif
1229#endif /* defined(I_VALUES) */
1230
a22e52b9 1231typedef NVTYPE NV;
8175356b 1232
792d8dab
JH		 1233#ifdef I_IEEEFP
1234# include <ieeefp.h>
1235#endif
923fc586 1236
65202027 1237#ifdef USE_LONG_DOUBLE
923fc586
JH		 1238# ifdef I_SUNMATH
1239# include <sunmath.h>
1240# endif
2d4389e4 1241# define NV_DIG LDBL_DIG
d6c14000
JH		 1242# ifdef LDBL_MANT_DIG
1243# define NV_MANT_DIG LDBL_MANT_DIG
1244# endif
06fc1729
JH		 1245# ifdef LDBL_MIN
1246# define NV_MIN LDBL_MIN
1247# endif
1248# ifdef LDBL_MAX
1249# define NV_MAX LDBL_MAX
1250# endif
1251# ifdef LDBL_MIN_10_EXP
1252# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1253# endif
1254# ifdef LDBL_MAX_10_EXP
1255# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1256# endif
1257# ifdef LDBL_EPSILON
1258# define NV_EPSILON LDBL_EPSILON
1259# endif
f4a14a62
JH		 1260# ifdef LDBL_MAX
1261# define NV_MAX LDBL_MAX
20f6aaab 1262/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1263# else
1264# ifdef HUGE_VALL
1265# define NV_MAX HUGE_VALL
1266# else
1267# ifdef HUGE_VAL
1268# define NV_MAX ((NV)HUGE_VAL)
1269# endif
1270# endif
1271# endif
68d4903c 1272# ifdef HAS_SQRTL
68d4903c
JH		 1273# define Perl_cos cosl
1274# define Perl_sin sinl
1275# define Perl_sqrt sqrtl
1276# define Perl_exp expl
1277# define Perl_log logl
1278# define Perl_atan2 atan2l
1279# define Perl_pow powl
1280# define Perl_floor floorl
1281# define Perl_fmod fmodl
1282# endif
a3540c92
JH		 1283/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1284# ifdef HAS_MODFL
1285# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1286/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1287 prototype in <math.h> */
1288# ifndef HAS_MODFL_PROTO
1289long double modfl(long double, long double *);
1290# endif
03476e8e
JH		 1291# else
1292# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1293 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1294# define Perl_modf(x,y) Perl_my_modfl(x,y)
1295# endif
a3540c92
JH		 1296# endif
1297# ifdef HAS_FREXPL
dff3e0b8 1298# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1299# else
1300# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1301 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1302# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1303# endif
a3540c92 1304# endif
38dbb4c5 1305# ifndef Perl_isnan
758a5d79
JH		 1306# ifdef HAS_ISNANL
1307# define Perl_isnan(x) isnanl(x)
1308# endif
1309# endif
1310# ifndef Perl_isinf
1311# ifdef HAS_FINITEL
1312# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1313# endif
1314# endif
65202027 1315#else
2d4389e4 1316# define NV_DIG DBL_DIG
d6c14000
JH		 1317# ifdef DBL_MANT_DIG
1318# define NV_MANT_DIG DBL_MANT_DIG
1319# endif
06fc1729
JH		 1320# ifdef DBL_MIN
1321# define NV_MIN DBL_MIN
1322# endif
1323# ifdef DBL_MAX
1324# define NV_MAX DBL_MAX
1325# endif
1326# ifdef DBL_MIN_10_EXP
1327# define NV_MIN_10_EXP DBL_MIN_10_EXP
1328# endif
1329# ifdef DBL_MAX_10_EXP
1330# define NV_MAX_10_EXP DBL_MAX_10_EXP
1331# endif
1332# ifdef DBL_EPSILON
1333# define NV_EPSILON DBL_EPSILON
1334# endif
205f51d8 1335# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1336# define NV_MAX DBL_MAX
1337# define NV_MIN DBL_MIN
1338# else
1339# ifdef HUGE_VAL
1340# define NV_MAX HUGE_VAL
1341# endif
1342# endif
65202027
DS		 1343# define Perl_cos cos
1344# define Perl_sin sin
1345# define Perl_sqrt sqrt
1346# define Perl_exp exp
1347# define Perl_log log
1348# define Perl_atan2 atan2
1349# define Perl_pow pow
1350# define Perl_floor floor
65202027 1351# define Perl_fmod fmod
a3540c92 1352# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1353# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1354#endif
1355
1356/* rumor has it that Win32 has _fpclass() */
1357
205f51d8
AS		 1358/* SGI has fpclassl... but not with the same result values,
1359 * and it's via a typedef (not via #define), so will need to redo Configure
1360 * to use. Not worth the trouble, IMO, at least until the below is used
1361 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1362 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1363 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1364
758a5d79
JH		 1365#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1366# ifdef I_IEEFP
1367# include <ieeefp.h>
1368# endif
1369# ifdef I_FP
1370# include <fp.h>
1371# endif
1372# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1373# define Perl_fp_class() fpclassl(x)
1374# else
1375# define Perl_fp_class() fpclass(x)
1376# endif
1377# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1378# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1379# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1380# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1381# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1382# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1383# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1384# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1385# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1386# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1387# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1388# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1389# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1390# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1391# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1392#endif
1393
7114a2d2 1394#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1395# include <math.h>
1396# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1397# include <fp_class.h>
1398# endif
1399# define Perl_fp_class(x) fp_class(x)
1400# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1401# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1402# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1403# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1404# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1405# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1406# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1407# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1408# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1409# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1410# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1411# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1412# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1413# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1414# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1415#endif
1416
1417#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1418# include <math.h>
1419# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1420# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1421# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1422# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1423# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1424# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1425#endif
1426
1427#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1428# include <math.h>
1429# ifndef _cplusplus
1430# define Perl_fp_class(x) class(x)
1431# else
1432# define Perl_fp_class(x) _class(x)
1433# endif
1434# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1435# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1436# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1437# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1438# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1439# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1440# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1441# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1442# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1443# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1444# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1445# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1446# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1447# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1448# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1449#endif
1450
1451/* rumor has it that Win32 has _isnan() */
1452
1453#ifndef Perl_isnan
a3540c92 1454# ifdef HAS_ISNAN
758a5d79
JH		 1455# define Perl_isnan(x) isnan((NV)x)
1456# else
1457# ifdef Perl_fp_class_nan
1458# define Perl_isnan(x) Perl_fp_class_nan(x)
1459# else
1460# ifdef HAS_UNORDERED
1461# define Perl_isnan(x) unordered((x), 0.0)
1462# else
1463# define Perl_isnan(x) ((x)!=(x))
1464# endif
1465# endif
1466# endif
1467#endif
1468
ca6c63e1
JH		 1469#ifdef UNDER_CE
1470int isnan(double d);
1471#endif
1472
758a5d79
JH		 1473#ifndef Perl_isinf
1474# ifdef HAS_ISINF
1475# define Perl_isinf(x) isinf((NV)x)
a3540c92 1476# else
758a5d79
JH		 1477# ifdef Perl_fp_class_inf
1478# define Perl_isinf(x) Perl_fp_class_inf(x)
1479# else
1480# define Perl_isinf(x) ((x)==NV_INF)
1481# endif
1482# endif
1483#endif
1484
1485#ifndef Perl_isfinite
1486# ifdef HAS_FINITE
1487# define Perl_isfinite(x) finite((NV)x)
1488# else
1489# ifdef HAS_ISFINITE
1490# define Perl_isfinite(x) isfinite(x)
1491# else
1492# ifdef Perl_fp_class_finite
1493# define Perl_isfinite(x) Perl_fp_class_finite(x)
1494# else
1495# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1496# endif
1497# endif
a3540c92 1498# endif
65202027
DS		 1499#endif
1500
a36244b7
JH		 1501/* The default is to use Perl's own atof() implementation (in numeric.c).
1502 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1503 * it is however best to use the native implementation of atof.
1504 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1505 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1506 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1507 * you may need to be using a different function than atof! */
a36244b7
JH		 1508
1509#ifndef USE_PERL_ATOF
1510# ifndef _UNICOS
1511# define USE_PERL_ATOF
1512# endif
1513#else
1514# if USE_PERL_ATOF == 0
1515# undef USE_PERL_ATOF
1516# endif
1517#endif
1518
1519#ifdef USE_PERL_ATOF
1520# define Perl_atof(s) Perl_my_atof(s)
1521# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1522#else
1523# define Perl_atof(s) (NV)atof(s)
1524# define Perl_atof2(s, n) ((n) = atof(s))
1525#endif
cf2093f6 1526
d460ef45 1527/* Previously these definitions used hardcoded figures.
760ac839
LW		 1528 * It is hoped these formula are more portable, although
1529 * no data one way or another is presently known to me.
1530 * The "PERL_" names are used because these calculated constants
1531 * do not meet the ANSI requirements for LONG_MAX, etc., which
1532 * need to be constants acceptable to #if - kja
1533 * define PERL_LONG_MAX 2147483647L
1534 * define PERL_LONG_MIN (-LONG_MAX - 1)
1535 * define PERL ULONG_MAX 4294967295L
1536 */
1537
1538#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1539# include <limits.h>
760ac839 1540#endif
205f51d8
AS		 1541/* Included values.h above if necessary; still including limits.h down here,
1542 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1543
99abf803 1544/*
1545 * Try to figure out max and min values for the integral types. THE CORRECT
1546 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1547 * following hacks are used if neither limits.h or values.h provide them:
1548 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1549 * for types < int: (unsigned TYPE)~(unsigned)0
1550 * The argument to ~ must be unsigned so that later signed->unsigned
1551 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1552 * and it must not be smaller than int because ~ does integral promotion.
1553 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1554 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1555 * The latter is a hack which happens to work on some machines but
1556 * does *not* catch any random system, or things like integer types
1557 * with NaN if that is possible.
1558 *
1559 * All of the types are explicitly cast to prevent accidental loss of
1560 * numeric range, and in the hope that they will be less likely to confuse
1561 * over-eager optimizers.
1562 *
1563 */
27d4fb96 1564
99abf803 1565#define PERL_UCHAR_MIN ((unsigned char)0)
1566
1567#ifdef UCHAR_MAX
1568# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1569#else
99abf803 1570# ifdef MAXUCHAR
1571# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1572# else
99abf803 1573# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1574# endif
1575#endif
d460ef45 1576
99abf803 1577/*
1578 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1579 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1580 * depending on local options. Until Configure detects this (or at least
1581 * detects whether the "signed" keyword is available) the CHAR ranges
1582 * will not be included. UCHAR functions normally.
1583 * - kja
1584 */
27d4fb96 1585
99abf803 1586#define PERL_USHORT_MIN ((unsigned short)0)
1587
1588#ifdef USHORT_MAX
1589# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1590#else
99abf803 1591# ifdef MAXUSHORT
1592# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1593# else
ef2f54b0
CB		 1594# ifdef USHRT_MAX
1595# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1596# else
1597# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1598# endif
27d4fb96 1599# endif
1600#endif
1601
27d4fb96 1602#ifdef SHORT_MAX
99abf803 1603# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1604#else
1605# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1606# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1607# else
ef2f54b0
CB		 1608# ifdef SHRT_MAX
1609# define PERL_SHORT_MAX ((short)SHRT_MAX)
1610# else
1611# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1612# endif
27d4fb96 1613# endif
1614#endif
1615
1616#ifdef SHORT_MIN
99abf803 1617# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1618#else
1619# ifdef MINSHORT
99abf803 1620# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1621# else
ef2f54b0
CB		 1622# ifdef SHRT_MIN
1623# define PERL_SHORT_MIN ((short)SHRT_MIN)
1624# else
1625# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1626# endif
27d4fb96 1627# endif
1628#endif
1629
99abf803 1630#ifdef UINT_MAX
1631# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1632#else
99abf803 1633# ifdef MAXUINT
1634# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1635# else
99abf803 1636# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1637# endif
1638#endif
1639
99abf803 1640#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1641
1642#ifdef INT_MAX
99abf803 1643# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1644#else
1645# ifdef MAXINT /* Often used in <values.h> */
99abf803 1646# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1647# else
99abf803 1648# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1649# endif
1650#endif
1651
1652#ifdef INT_MIN
99abf803 1653# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1654#else
1655# ifdef MININT
99abf803 1656# define PERL_INT_MIN ((int)MININT)
27d4fb96 1657# else
1658# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1659# endif
1660#endif
1661
99abf803 1662#ifdef ULONG_MAX
1663# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1664#else
99abf803 1665# ifdef MAXULONG
1666# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1667# else
99abf803 1668# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1669# endif
1670#endif
1671
99abf803 1672#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1673
760ac839 1674#ifdef LONG_MAX
99abf803 1675# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1676#else
1677# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1678# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1679# else
99abf803 1680# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1681# endif
1682#endif
1683
1684#ifdef LONG_MIN
99abf803 1685# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1686#else
1687# ifdef MINLONG
99abf803 1688# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1689# else
27d4fb96 1690# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1691# endif
1692#endif
1693
d7d93a81 1694#ifdef UV_IS_QUAD
99abf803 1695
99abf803 1696# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1697# define PERL_UQUAD_MIN ((UV)0)
99abf803 1698# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1699# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1700
79072805
LW		 1701#endif
1702
22f7c9c9
JH		 1703#ifdef MYMALLOC
1704# include "malloc_ctl.h"
1705#endif
1706
830247a4 1707struct RExC_state_t;
880b20b6 1708
ee0007ab 1709typedef MEM_SIZE STRLEN;
450a55e4 1710
79072805
LW		 1711typedef struct op OP;
1712typedef struct cop COP;
1713typedef struct unop UNOP;
1714typedef struct binop BINOP;
1715typedef struct listop LISTOP;
1716typedef struct logop LOGOP;
79072805
LW		 1717typedef struct pmop PMOP;
1718typedef struct svop SVOP;
7934575e 1719typedef struct padop PADOP;
79072805 1720typedef struct pvop PVOP;
79072805
LW		 1721typedef struct loop LOOP;
1722
93a17b20 1723typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1724
1725/* Amdahl's <ksync.h> has struct sv */
1726/* SGI's <sys/sema.h> has struct sv */
1727#if defined(UTS) || defined(__sgi)
1728# define STRUCT_SV perl_sv
b8d3c5db
JH		 1729#else
1730# define STRUCT_SV sv
1731#endif
1732typedef struct STRUCT_SV SV;
79072805
LW		 1733typedef struct av AV;
1734typedef struct hv HV;
1735typedef struct cv CV;
378cc40b 1736typedef struct regexp REGEXP;
79072805 1737typedef struct gp GP;
0c30d9ec 1738typedef struct gv GV;
8990e307 1739typedef struct io IO;
c09156bb 1740typedef struct context PERL_CONTEXT;
79072805
LW		 1741typedef struct block BLOCK;
1742
1743typedef struct magic MAGIC;
ed6116ce 1744typedef struct xrv XRV;
79072805
LW		 1745typedef struct xpv XPV;
1746typedef struct xpviv XPVIV;
ff68c719 1747typedef struct xpvuv XPVUV;
79072805
LW		 1748typedef struct xpvnv XPVNV;
1749typedef struct xpvmg XPVMG;
1750typedef struct xpvlv XPVLV;
1751typedef struct xpvav XPVAV;
1752typedef struct xpvhv XPVHV;
1753typedef struct xpvgv XPVGV;
1754typedef struct xpvcv XPVCV;
1755typedef struct xpvbm XPVBM;
1756typedef struct xpvfm XPVFM;
8990e307 1757typedef struct xpvio XPVIO;
79072805
LW		 1758typedef struct mgvtbl MGVTBL;
1759typedef union any ANY;
5f7fde29
GS		 1760typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1761typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1762typedef struct clone_params CLONE_PARAMS;
1763
8d063cd8 1764
378cc40b 1765#include "handy.h"
a0d0e21e 1766
6b8eaf93 1767#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1768# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1769# define USE_64_BIT_RAWIO /* implicit */
1770# endif
4564133c
JH		 1771#endif
1772
6b8eaf93
JH		 1773/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1774 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1775 * however, because operating systems like to do that themself. */
1776#ifndef FSEEKSIZE
1777# ifdef HAS_FSEEKO
1778# define FSEEKSIZE LSEEKSIZE
1779# else
1780# define FSEEKSIZE LONGSIZE
d460ef45 1781# endif
6b8eaf93
JH		 1782#endif
1783
1784#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1785# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1786# define USE_64_BIT_STDIO /* implicit */
1787# endif
1788#endif
4564133c 1789
09458382 1790#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1791# ifdef HAS_OFF64_T
1792# undef Off_t
1793# define Off_t off64_t
1794# undef LSEEKSIZE
1795# define LSEEKSIZE 8
5ff3f7a4 1796# endif
d9b3e12d
JH		 1797/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1798 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1799 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1800# if defined(USE_OPEN64)
1801# define open open64
5ff3f7a4 1802# endif
d9b3e12d
JH		 1803# if defined(USE_LSEEK64)
1804# define lseek lseek64
6b8eaf93
JH		 1805# else
1806# if defined(USE_LLSEEK)
1807# define lseek llseek
1808# endif
d9b3e12d
JH		 1809# endif
1810# if defined(USE_STAT64)
1811# define stat stat64
1812# endif
1813# if defined(USE_FSTAT64)
1814# define fstat fstat64
1815# endif
1816# if defined(USE_LSTAT64)
1817# define lstat lstat64
1818# endif
1819# if defined(USE_FLOCK64)
1820# define flock flock64
1821# endif
1822# if defined(USE_LOCKF64)
1823# define lockf lockf64
1824# endif
1825# if defined(USE_FCNTL64)
1826# define fcntl fcntl64
1827# endif
1828# if defined(USE_TRUNCATE64)
1829# define truncate truncate64
1830# endif
1831# if defined(USE_FTRUNCATE64)
1832# define ftruncate ftruncate64
1833# endif
1834#endif
1835
1836#ifdef USE_64_BIT_STDIO
1837# ifdef HAS_FPOS64_T
1838# undef Fpos_t
1839# define Fpos_t fpos64_t
1840# endif
1841/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1842 * will trigger defines like the ones below. Some 64-bit environments,
1843 * however, do not. */
1844# if defined(USE_FOPEN64)
1845# define fopen fopen64
1846# endif
1847# if defined(USE_FSEEK64)
6b8eaf93 1848# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1849# endif
1850# if defined(USE_FTELL64)
6b8eaf93 1851# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1852# endif
1853# if defined(USE_FSETPOS64)
1854# define fsetpos fsetpos64
1855# endif
1856# if defined(USE_FGETPOS64)
1857# define fgetpos fgetpos64
1858# endif
1859# if defined(USE_TMPFILE64)
1860# define tmpfile tmpfile64
1861# endif
1862# if defined(USE_FREOPEN64)
1863# define freopen freopen64
5ff3f7a4
GS		 1864# endif
1865#endif
1866
af8b425d 1867#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1868# include "iperlsys.h"
1869#endif
1870
6f71a643 1871#if defined(__OPEN_VM)
19848b3f
JH		 1872# include "vmesa/vmesaish.h"
1873# define ISHISH "vmesa"
6f71a643
JH		 1874#endif
1875
748a9306 1876#ifdef DOSISH
19848b3f
JH		 1877# if defined(OS2)
1878# include "os2ish.h"
1879# else
1880# include "dosish.h"
1881# endif
1882# define ISHISH "dos"
1883#endif
1884
1885#if defined(VMS)
748a9306 1886# include "vmsish.h"
96e176bf 1887# include "embed.h"
19848b3f
JH		 1888# define ISHISH "vms"
1889#endif
1890
1891#if defined(PLAN9)
1892# include "./plan9/plan9ish.h"
1893# define ISHISH "plan9"
1894#endif
1895
1896#if defined(MPE)
1897# include "mpeix/mpeixish.h"
1898# define ISHISH "mpeix"
1899#endif
1900
1901#if defined(__VOS__)
196918b0
PG		 1902# ifdef __GNUC__
1903# include "./vos/vosish.h"
1904# else
1905# include "vos/vosish.h"
1906# endif
19848b3f
JH		 1907# define ISHISH "vos"
1908#endif
1909
1910#if defined(EPOC)
1911# include "epocish.h"
1912# define ISHISH "epoc"
1913#endif
1914
1915#if defined(MACOS_TRADITIONAL)
1916# include "macos/macish.h"
1917# ifndef NO_ENVIRON_ARRAY
1918# define NO_ENVIRON_ARRAY
0c30d9ec 1919# endif
19848b3f
JH		 1920# define ISHISH "macos classic"
1921#endif
1922
efca5cc6
JH		 1923#if defined(__BEOS__)
1924# include "beos/beosish.h"
1925# define ISHISH "beos"
1926#endif
1927
19848b3f
JH		 1928#ifndef ISHISH
1929# include "unixish.h"
1930# define ISHISH "unix"
13b6e58c
JH		 1931#endif
1932
1933#ifndef NO_ENVIRON_ARRAY
1934# define USE_ENVIRON_ARRAY
1935#endif
32f822de 1936
c77b533b
JH		 1937/*
1938 * initialise to avoid floating-point exceptions from overflow, etc
1939 */
1940#ifndef PERL_FPU_INIT
1941# ifdef HAS_FPSETMASK
1942# if HAS_FLOATINGPOINT_H
1943# include <floatingpoint.h>
1944# endif
1945# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1946# else
2f42fcb0 1947# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 1948# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 1949# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
1950# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 1951# else
1952# define PERL_FPU_INIT
2f42fcb0 1953
7014c407 1954# endif
c77b533b
JH		 1955# endif
1956#endif
b35112e7
CS		 1957#ifndef PERL_FPU_PRE_EXEC
1958# define PERL_FPU_PRE_EXEC {
1959# define PERL_FPU_POST_EXEC }
1960#endif
c77b533b 1961
ed344e4f
IZ		 1962#ifndef PERL_SYS_INIT3
1963# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1964#endif
1965
be708cc0
JH		 1966#ifndef PERL_WRITE_MSG_TO_CONSOLE
1967# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1968#endif
1969
0f31cffe
GS		 1970#ifndef MAXPATHLEN
1971# ifdef PATH_MAX
b990c8b2
JH		 1972# ifdef _POSIX_PATH_MAX
1973# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 1974/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
1975 * included the null byte or not. Later amendments of POSIX,
1976 * XPG4, the Austin Group, and the Single UNIX Specification
1977 * all explicitly include the null byte in the PATH_MAX.
1978 * Ditto for _POSIX_PATH_MAX. */
1979# define MAXPATHLEN PATH_MAX
b990c8b2 1980# else
09448d78 1981# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1982# endif
1983# else
1984# define MAXPATHLEN (PATH_MAX+1)
1985# endif
0f31cffe 1986# else
b990c8b2 1987# ifdef _POSIX_PATH_MAX
09448d78 1988# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1989# else
1990# define MAXPATHLEN 1024 /* Err on the large side. */
1991# endif
0f31cffe
GS		 1992# endif
1993#endif
1994
3db8f154 1995/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1996 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1997 * this results in many functions being undeclared which bothers C++
1998 * May make sense to have threads after "*ish.h" anyway
1999 */
2000
3db8f154 2001#if defined(USE_ITHREADS)
2986a63f
JH		 2002# ifdef NETWARE
2003# include <nw5thread.h>
2004# else
32f822de
GS		 2005# ifdef FAKE_THREADS
2006# include "fakethr.h"
2007# else
2008# ifdef WIN32
2009# include <win32thread.h>
2010# else
dd96f567
IZ		 2011# ifdef OS2
2012# include "os2thread.h"
2013# else
7f3d1cf1 2014# ifdef I_MACH_CTHREADS
bdd66968 2015# include <mach/cthreads.h>
8f1f23e8 2016# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2017# define MUTEX_INIT_CALLS_MALLOC
2018# endif
7f3d1cf1
BH		 2019typedef cthread_t perl_os_thread;
2020typedef mutex_t perl_mutex;
2021typedef condition_t perl_cond;
2022typedef void * perl_key;
2023# else /* Posix threads */
1f5ae88c
JH		 2024# ifdef I_PTHREAD
2025# include <pthread.h>
2026# endif
7f3d1cf1
BH		 2027typedef pthread_t perl_os_thread;
2028typedef pthread_mutex_t perl_mutex;
2029typedef pthread_cond_t perl_cond;
2030typedef pthread_key_t perl_key;
2031# endif /* I_MACH_CTHREADS */
dd96f567 2032# endif /* OS2 */
32f822de
GS		 2033# endif /* WIN32 */
2034# endif /* FAKE_THREADS */
2986a63f 2035#endif /* NETWARE */
3db8f154 2036#endif /* USE_ITHREADS */
c5be433b 2037
66a93824 2038#if defined(WIN32)
1feb2720 2039# include "win32.h"
c5be433b
GS		 2040#endif
2041
2986a63f
JH		 2042#ifdef NETWARE
2043# include "netware.h"
2044#endif
2045
68dc0745 2046#ifdef VMS
6b88bc9c 2047# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2048# define STATUS_NATIVE_EXPORT \
d98f61e7 2049 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2050# define STATUS_NATIVE_SET(n) \
2051 STMT_START { \
6b88bc9c
GS		 2052 PL_statusvalue_vms = (n); \
2053 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2054 PL_statusvalue = -1; \
6b88bc9c 2055 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2056 PL_statusvalue = 0; \
6b88bc9c
GS		 2057 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2058 PL_statusvalue = 1 << 8; \
68dc0745 2059 else \
6b88bc9c 2060 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2061 } STMT_END
3280af22 2062# define STATUS_POSIX PL_statusvalue
68dc0745 2063# ifdef VMSISH_STATUS
2064# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2065# else
2066# define STATUS_CURRENT STATUS_POSIX
2067# endif
2068# define STATUS_POSIX_SET(n) \
2069 STMT_START { \
3280af22
NIS		 2070 PL_statusvalue = (n); \
2071 if (PL_statusvalue != -1) { \
2072 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2073 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2074 } \
6b88bc9c 2075 else PL_statusvalue_vms = -1; \
68dc0745 2076 } STMT_END
6b88bc9c
GS		 2077# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2078# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2079#else
2080# define STATUS_NATIVE STATUS_POSIX
2081# define STATUS_NATIVE_EXPORT STATUS_POSIX
2082# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2083# define STATUS_POSIX PL_statusvalue
68dc0745 2084# define STATUS_POSIX_SET(n) \
2085 STMT_START { \
3280af22
NIS		 2086 PL_statusvalue = (n); \
2087 if (PL_statusvalue != -1) \
2088 PL_statusvalue &= 0xFFFF; \
68dc0745 2089 } STMT_END
2090# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2091# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2092# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2093#endif
2094
cc3604b1
GS		 2095/* flags in PL_exit_flags for nature of exit() */
2096#define PERL_EXIT_EXPECTED 0x01
31d77e54 2097#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2098
0b94c7bb 2099#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2100# define MEMBER_TO_FPTR(name) name
2101#endif
2102
2103/* format to use for version numbers in file/directory names */
273cf8d1 2104/* XXX move to Configure? */
a7cb1f99 2105#ifndef PERL_FS_VER_FMT
273cf8d1 2106# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2107#endif
2108
45bc9206 2109/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2110 * performance issue, so we allow people to disable it. Also, if
2111 * we are using stdio, there are broken implementations of fflush(NULL)
2112 * out there, Solaris being the most prominent.
45bc9206
GS		 2113 */
2114#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2115# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2116# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2117# else
2118# ifdef FFLUSH_ALL
2119# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2120# else
c5be433b 2121# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2122# endif
66fe083f 2123# endif
45bc9206
GS		 2124#endif
2125
7766f137
GS		 2126#ifndef PERL_WAIT_FOR_CHILDREN
2127# define PERL_WAIT_FOR_CHILDREN NOOP
2128#endif
2129
ba869deb 2130/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2131#ifndef PERL_SET_INTERP
2132# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2133#endif
2134
2135#ifndef PERL_GET_INTERP
2136# define PERL_GET_INTERP (PL_curinterp)
2137#endif
2138
54aff467 2139#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2140# ifdef MULTIPLICITY
ba869deb 2141# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2142# endif
ba869deb
GS		 2143# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2144#endif
2145
894356b3
GS		 2146#ifndef SVf
2147# ifdef CHECK_FORMAT
2148# define SVf "p"
84c133a0
RB		 2149# ifndef SVf256
2150# define SVf256 SVf
2151# endif
894356b3
GS		 2152# else
2153# define SVf "_"
d460ef45 2154# endif
894356b3
GS		 2155#endif
2156
84c133a0
RB		 2157#ifndef SVf256
2158# define SVf256 ".256"SVf
2159#endif
2160
d2560b70
RB		 2161#ifndef UVf
2162# ifdef CHECK_FORMAT
2163# define UVf UVuf
2164# else
2165# define UVf "Vu"
d460ef45 2166# endif
d2560b70
RB		 2167#endif
2168
2169#ifndef VDf
2170# ifdef CHECK_FORMAT
2171# define VDf "p"
2172# else
2173# define VDf "vd"
d460ef45 2174# endif
d2560b70
RB		 2175#endif
2176
b3fe4827
RB		 2177#ifndef Nullformat
2178# ifdef CHECK_FORMAT
2179# define Nullformat "%s",""
2180# else
2181# define Nullformat Nullch
2182# endif
2183#endif
2184
287c8091
RB		 2185#ifndef __attribute__format__
2186# ifdef CHECK_FORMAT
2187# define __attribute__format__(x,y,z) __attribute__((__format__(x,y,z)))
2188# else
2189# define __attribute__format__(x,y,z)
2190# endif
2191#endif
2192
3fc1aec6 2193/* Some unistd.h's give a prototype for pause() even though
2194 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2195 below to be rejected by the compiler. Sigh.
3fc1aec6 2196*/
2197#ifdef HAS_PAUSE
2198#define Pause pause
2199#else
2200#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2201#endif
2202
2203#ifndef IOCPARM_LEN
2204# ifdef IOCPARM_MASK
2205 /* on BSDish systes we're safe */
2206# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2207# else
2208 /* otherwise guess at what's safe */
2209# define IOCPARM_LEN(x) 256
2210# endif
a0d0e21e
LW		 2211#endif
2212
1761cee5 2213#if defined(__CYGWIN__)
521e0776
GS		 2214/* USEMYBINMODE
2215 * This symbol, if defined, indicates that the program should
16fe6d59 2216 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2217 * that a file is in "binary" mode -- that is, that no translation
2218 * of bytes occurs on read or write operations.
2219 */
36894f0b 2220# define USEMYBINMODE /**/
77a40698 2221# include <io.h> /* for setmode() prototype */
16fe6d59 2222# define my_binmode(fp, iotype, mode) \
77a40698 2223 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2224#endif
2225
88d10794
JH		 2226#ifdef __CYGWIN__
2227void init_os_extras(void);
2228#endif
2229
cea2e8a9
GS		 2230#ifdef UNION_ANY_DEFINITION
2231UNION_ANY_DEFINITION;
2232#else
2233union any {
2234 void* any_ptr;
2235 I32 any_i32;
2236 IV any_iv;
2237 long any_long;
9febdf04 2238 bool any_bool;
c76ac1ee 2239 void (*any_dptr) (void*);
acfe0abc 2240 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2241};
2242#endif
2243
acfe0abc 2244typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2245
2246#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2247#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2248#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2249
c5078cac
JH		 2250#if defined(_AIX) && !defined(_AIX43)
2251#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2252/* We cannot include <crypt.h> to get the struct crypt_data
2253 * because of setkey prototype problems when threading */
2254typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2255 /* From OSF, Not needed in AIX
2256 char C[28], D[28];
2257 */
2258 char E[48];
2259 char KS[16][48];
2260 char block[66];
2261 char iobuf[16];
2262} CRYPTD;
2263#endif /* threading */
2264#endif /* AIX */
2265
af8b425d 2266#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2267# include "iperlsys.h"
2268#endif
504f80c1 2269
d10dc2ae
JH		 2270/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2271 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2272 * defined by Configure, despite their names being similar to the
2273 * other defines like USE_ITHREADS. Configure in fact knows nothing
2274 * about the randomised hashes. Therefore to enable/disable the hash
2275 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2276#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2277# define USE_HASH_SEED
504f80c1
JH		 2278#endif
2279
378cc40b 2280#include "regexp.h"
79072805 2281#include "sv.h"
378cc40b 2282#include "util.h"
8d063cd8 2283#include "form.h"
79072805 2284#include "gv.h"
dd2155a4 2285#include "pad.h"
79072805 2286#include "cv.h"
abdd5c84 2287#include "opnames.h"
79072805
LW		 2288#include "op.h"
2289#include "cop.h"
2290#include "av.h"
2291#include "hv.h"
2292#include "mg.h"
2293#include "scope.h"
4438c4b7 2294#include "warnings.h"
a0ed51b3 2295#include "utf8.h"
8d063cd8 2296
7fae4e64
GS		 2297/* Current curly descriptor */
2298typedef struct curcur CURCUR;
2299struct curcur {
2300 int parenfloor; /* how far back to strip paren data */
2301 int cur; /* how many instances of scan we've matched */
2302 int min; /* the minimal number of scans to match */
2303 int max; /* the maximal number of scans to match */
2304 int minmod; /* whether to work our way up or down */
2305 regnode * scan; /* the thing to match */
2306 regnode * next; /* what has to match after it */
2307 char * lastloc; /* where we started matching this scan */
2308 CURCUR * oldcc; /* current curly before we started this one */
2309};
2310
2311typedef struct _sublex_info SUBLEXINFO;
2312struct _sublex_info {
2313 I32 super_state; /* lexer state to save */
2314 I32 sub_inwhat; /* "lex_inwhat" to use */
2315 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2316 char *super_bufptr; /* PL_bufptr that was */
2317 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2318};
2319
455ece5e 2320typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2321
2c2d71f5 2322struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2323struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2324
2325typedef I32 CHECKPOINT;
76e3520e 2326
5f7fde29
GS		 2327struct ptr_tbl_ent {
2328 struct ptr_tbl_ent* next;
2329 void* oldval;
2330 void* newval;
d18c6117
GS		 2331};
2332
5f7fde29
GS		 2333struct ptr_tbl {
2334 struct ptr_tbl_ent** tbl_ary;
2335 UV tbl_max;
2336 UV tbl_items;
d18c6117
GS		 2337};
2338
450a55e4 2339#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2340# define I286
2341#endif
2342
fe14fcc3
LW		 2343#if defined(htonl) && !defined(HAS_HTONL)
2344#define HAS_HTONL
ae986130 2345#endif
fe14fcc3
LW		 2346#if defined(htons) && !defined(HAS_HTONS)
2347#define HAS_HTONS
ae986130 2348#endif
fe14fcc3
LW		 2349#if defined(ntohl) && !defined(HAS_NTOHL)
2350#define HAS_NTOHL
ae986130 2351#endif
fe14fcc3
LW		 2352#if defined(ntohs) && !defined(HAS_NTOHS)
2353#define HAS_NTOHS
ae986130 2354#endif
fe14fcc3 2355#ifndef HAS_HTONL
d9d8d8de 2356#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2357#define HAS_HTONS
2358#define HAS_HTONL
2359#define HAS_NTOHS
2360#define HAS_NTOHL
a687059c
LW		 2361#define MYSWAP
2362#define htons my_swap
2363#define htonl my_htonl
2364#define ntohs my_swap
2365#define ntohl my_ntohl
2366#endif
2367#else
d9d8d8de 2368#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2369#undef HAS_HTONS
2370#undef HAS_HTONL
2371#undef HAS_NTOHS
2372#undef HAS_NTOHL
a687059c
LW		 2373#endif
2374#endif
2375
988174c1
LW		 2376/*
2377 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2378 * -DWS
2379 */
2380#if BYTEORDER != 0x1234
2381# define HAS_VTOHL
2382# define HAS_VTOHS
2383# define HAS_HTOVL
2384# define HAS_HTOVS
c67712b2 2385# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2386# define vtohl(x) ((((x)&0xFF)<<24) \
2387 +(((x)>>24)&0xFF) \
2388 +(((x)&0x0000FF00)<<8) \
2389 +(((x)&0x00FF0000)>>8) )
2390# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2391# define htovl(x) vtohl(x)
2392# define htovs(x) vtohs(x)
2393# endif
2394 /* otherwise default to functions in util.c */
2a8c3029 2395#ifndef htovs
c623ac67
GS		 2396short htovs(short n);
2397short vtohs(short n);
2398long htovl(long n);
2399long vtohl(long n);
988174c1 2400#endif
2a8c3029 2401#endif
988174c1 2402
3bb7c1b4
JH		 2403/* *MAX Plus 1. A floating point value.
2404 Hopefully expressed in a way that dodgy floating point can't mess up.
2405 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2406 is added to it
2407 May find that some broken compiler will want the value cast to I32.
2408 [after the shift, as signed >> may not be as secure as unsigned >>]
2409*/
2410#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2411#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2412/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2413 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2414 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2415*/
2416#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2417
3bb7c1b4
JH		 2418#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2419#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2420#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2421
2422/* This may look like unnecessary jumping through hoops, but converting
2423 out of range floating point values to integers *is* undefined behaviour,
2424 and it is starting to bite.
2425*/
2426#ifndef CAST_INLINE
65202027 2427#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2428#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2429#define I_V(what) (cast_iv((NV)(what)))
2430#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2431#else
2432#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2433 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2434 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2435#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2436 : ((n) < U32_MAX_P1 ? (U32) (n) \
2437 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2438#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2439 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2440 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2441#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2442 : ((n) < UV_MAX_P1 ? (UV) (n) \
2443 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2444#endif
2445
2446#define U_S(what) ((U16)U_32(what))
2447#define U_I(what) ((unsigned int)U_32(what))
2448#define U_L(what) U_32(what)
ed6116ce 2449
2d4389e4
JH		 2450/* These do not care about the fractional part, only about the range. */
2451#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2452#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2453
25da4f38
IZ		 2454/* Used with UV/IV arguments: */
2455 /* XXXX: need to speed it up */
2456#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2457#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2458
352d5a3a
LW		 2459#ifndef MAXSYSFD
2460# define MAXSYSFD 2
2461#endif
ee0007ab 2462
79072805 2463#ifndef __cplusplus
e1caacb4 2464#ifndef UNDER_CE
20ce7b12
GS		 2465Uid_t getuid (void);
2466Uid_t geteuid (void);
2467Gid_t getgid (void);
2468Gid_t getegid (void);
79072805 2469#endif
e1caacb4 2470#endif
8d063cd8 2471
0c30d9ec 2472#ifndef Perl_debug_log
bf49b057
GS		 2473# define Perl_debug_log PerlIO_stderr()
2474#endif
2475
2476#ifndef Perl_error_log
2477# define Perl_error_log (PL_stderrgv \
6b78add2 2478 && isGV(PL_stderrgv) \
01bb7c6d 2479 && GvIOp(PL_stderrgv) \
42de951c 2480 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2481 ? IoOFP(GvIOp(PL_stderrgv)) \
2482 : PerlIO_stderr())
0c30d9ec 2483#endif
3967c732 2484
aea4f609
DM		 2485
2486#define DEBUG_p_FLAG 0x00000001 /* 1 */
2487#define DEBUG_s_FLAG 0x00000002 /* 2 */
2488#define DEBUG_l_FLAG 0x00000004 /* 4 */
2489#define DEBUG_t_FLAG 0x00000008 /* 8 */
2490#define DEBUG_o_FLAG 0x00000010 /* 16 */
2491#define DEBUG_c_FLAG 0x00000020 /* 32 */
2492#define DEBUG_P_FLAG 0x00000040 /* 64 */
2493#define DEBUG_m_FLAG 0x00000080 /* 128 */
2494#define DEBUG_f_FLAG 0x00000100 /* 256 */
2495#define DEBUG_r_FLAG 0x00000200 /* 512 */
2496#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2497#define DEBUG_u_FLAG 0x00000800 /* 2048 */
aea4f609
DM		 2498#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2499#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2500#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2501#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2502#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2503#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2504#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2505#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2506#define DEBUG_C_FLAG 0x00200000 /*2097152 */
7bab3ede 2507#define DEBUG_MASK 0x003FEFFF /* mask of all the standard flags */
aea4f609
DM		 2508
2509#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2510#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2511 that something was done? */
aea4f609 2512
bd16a5f0
IZ		 2513# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2514# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2515# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2516# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2517# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2518# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2519# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2520# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2521# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2522# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2523# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2524# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2525# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2526# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2527# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2528# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2529# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2530# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2531# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2532# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2533# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
dd2155a4 2534# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2535
3967c732 2536#ifdef DEBUGGING
aea4f609
DM		 2537
2538# undef YYDEBUG
2539# define YYDEBUG 1
2540
bd16a5f0
IZ		 2541# define DEBUG_p_TEST DEBUG_p_TEST_
2542# define DEBUG_s_TEST DEBUG_s_TEST_
2543# define DEBUG_l_TEST DEBUG_l_TEST_
2544# define DEBUG_t_TEST DEBUG_t_TEST_
2545# define DEBUG_o_TEST DEBUG_o_TEST_
2546# define DEBUG_c_TEST DEBUG_c_TEST_
2547# define DEBUG_P_TEST DEBUG_P_TEST_
2548# define DEBUG_m_TEST DEBUG_m_TEST_
2549# define DEBUG_f_TEST DEBUG_f_TEST_
2550# define DEBUG_r_TEST DEBUG_r_TEST_
2551# define DEBUG_x_TEST DEBUG_x_TEST_
2552# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 2553# define DEBUG_H_TEST DEBUG_H_TEST_
2554# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2555# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 2556# define DEBUG_D_TEST DEBUG_D_TEST_
2557# define DEBUG_S_TEST DEBUG_S_TEST_
2558# define DEBUG_T_TEST DEBUG_T_TEST_
2559# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2560# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2561# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2562# define DEBUG_C_TEST DEBUG_C_TEST_
aea4f609 2563
488b0c7a
JH		 2564# define PERL_DEB(a) a
2565# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 2566# define DEBUG_p(a) if (DEBUG_p_TEST) a
2567# define DEBUG_s(a) if (DEBUG_s_TEST) a
2568# define DEBUG_l(a) if (DEBUG_l_TEST) a
2569# define DEBUG_t(a) if (DEBUG_t_TEST) a
2570# define DEBUG_o(a) if (DEBUG_o_TEST) a
2571# define DEBUG_c(a) if (DEBUG_c_TEST) a
2572# define DEBUG_P(a) if (DEBUG_P_TEST) a
2573
969058bb
VK		 2574 /* Temporarily turn off memory debugging in case the a
2575 * does memory allocation, either directly or indirectly. */
acfe0abc 2576# define DEBUG_m(a) \
0b250b9e 2577 STMT_START { \
aea4f609 2578 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2579 } STMT_END
aea4f609 2580
5f80b19c
AMS		 2581# define DEBUG__(t, a) \
2582 STMT_START { \
2583 if (t) STMT_START {a;} STMT_END; \
2584 } STMT_END
2585
2586# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2587# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2588# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2589# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 2590# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2591# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2592# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2593# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2594
3db8f154 2595# define DEBUG_S(a)
aea4f609 2596
5f80b19c
AMS		 2597# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2598# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2599# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2600# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
aea4f609
DM		 2601
2602#else /* DEBUGGING */
2603
2604# define DEBUG_p_TEST (0)
2605# define DEBUG_s_TEST (0)
2606# define DEBUG_l_TEST (0)
2607# define DEBUG_t_TEST (0)
2608# define DEBUG_o_TEST (0)
2609# define DEBUG_c_TEST (0)
2610# define DEBUG_P_TEST (0)
2611# define DEBUG_m_TEST (0)
2612# define DEBUG_f_TEST (0)
2613# define DEBUG_r_TEST (0)
2614# define DEBUG_x_TEST (0)
2615# define DEBUG_u_TEST (0)
aea4f609
DM		 2616# define DEBUG_H_TEST (0)
2617# define DEBUG_X_TEST (0)
dd2155a4 2618# define DEBUG_Xv_TEST (0)
aea4f609
DM		 2619# define DEBUG_D_TEST (0)
2620# define DEBUG_S_TEST (0)
2621# define DEBUG_T_TEST (0)
04932ac8 2622# define DEBUG_R_TEST (0)
1045810a 2623# define DEBUG_J_TEST (0)
d6721266 2624# define DEBUG_v_TEST (0)
46187eeb 2625# define DEBUG_C_TEST (0)
aea4f609 2626
488b0c7a
JH		 2627# define PERL_DEB(a)
2628# define PERL_DEBUG(a)
aea4f609
DM		 2629# define DEBUG_p(a)
2630# define DEBUG_s(a)
2631# define DEBUG_l(a)
2632# define DEBUG_t(a)
2633# define DEBUG_o(a)
2634# define DEBUG_c(a)
2635# define DEBUG_P(a)
2636# define DEBUG_m(a)
2637# define DEBUG_f(a)
2638# define DEBUG_r(a)
2639# define DEBUG_x(a)
2640# define DEBUG_u(a)
aea4f609
DM		 2641# define DEBUG_H(a)
2642# define DEBUG_X(a)
dd2155a4 2643# define DEBUG_Xv(a)
aea4f609
DM		 2644# define DEBUG_D(a)
2645# define DEBUG_S(a)
2646# define DEBUG_T(a)
04932ac8 2647# define DEBUG_R(a)
d6721266 2648# define DEBUG_v(a)
46187eeb 2649# define DEBUG_C(a)
aea4f609
DM		 2650#endif /* DEBUGGING */
2651
2652
b4ab917c
DM		 2653#define DEBUG_SCOPE(where) \
2654 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
2655 where, PL_scopestack_ix, __FILE__, __LINE__)));
2656
2657
2658
2659
d1be9408 2660/* These constants should be used in preference to raw characters
14befaf4
DM		 2661 * when using magic. Note that some perl guts still assume
2662 * certain character properties of these constants, namely that
2663 * isUPPER() and toLOWER() may do useful mappings.
2664 *
2665 * Update the magic_names table in dump.c when adding/amending these
2666 */
2667
2668#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2669#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2670#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2671#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2672#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2673#define PERL_MAGIC_regdata 'D' /* Regex match position data
2674 (@+ and @- vars) */
2675#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2676#define PERL_MAGIC_env 'E' /* %ENV hash */
2677#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2678#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2679#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2680#define PERL_MAGIC_isa 'I' /* @ISA array */
2681#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2682#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2683#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2684#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2685#define PERL_MAGIC_mutex 'm' /* for lock op */
2686#define PERL_MAGIC_shared 'N' /* Shared between threads */
2687#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2688#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2689#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2690#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2691#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2692#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2693#define PERL_MAGIC_sig 'S' /* %SIG hash */
2694#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2695#define PERL_MAGIC_taint 't' /* Taintedness */
2696#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2697#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2698#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2699#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 2700#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 2701#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2702#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2703 smart parameter vivification */
2704#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2705#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2706#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2707#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2708#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2709
2710
fe14fcc3 2711#define YYMAXDEPTH 300
8d063cd8 2712
a6e633de 2713#ifndef assert /* <assert.h> might have been included somehow */
a446a88f 2714#ifdef DEBUGGING
488b0c7a 2715#define assert(what) PERL_DEB( { \
a446a88f
NIS		 2716 if (!(what)) { \
2717 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2718 __FILE__, __LINE__); \
2719 PerlProc_exit(1); \
2720 }})
2721#else
488b0c7a 2722#define assert(what) PERL_DEB( { \
79072805 2723 if (!(what)) { \
cea2e8a9 2724 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2725 __FILE__, __LINE__); \
cea2e8a9 2726 PerlProc_exit(1); \
79072805 2727 }})
a6e633de 2728#endif
a446a88f 2729#endif
8d063cd8 2730
450a55e4 2731struct ufuncs {
24f81a43
DM		 2732 I32 (*uf_val)(pTHX_ IV, SV*);
2733 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2734 IV uf_index;
450a55e4
LW		 2735};
2736
14befaf4 2737/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2738 * XS code wanting to be backward compatible can do something
2739 * like the following:
c745e42c 2740
24f81a43 2741#ifndef PERL_MG_UFUNC
24f81a43
DM		 2742#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2743#endif
2744
2745static PERL_MG_UFUNC(foo_get, index, val)
2746{
2747 sv_setsv(val, ...);
2748 return TRUE;
2749}
2750
2751-- Doug MacEachern
2752
2753*/
2754
fc9c74e6 2755#ifndef PERL_MG_UFUNC
24f81a43 2756#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2757#endif
24f81a43 2758
fe14fcc3 2759/* Fix these up for __STDC__ */
68dc0745 2760#ifndef DONT_DECLARE_STD
20ce7b12 2761char *mktemp (char*);
37bd1396 2762#ifndef atof
20ce7b12 2763double atof (const char*);
a0d0e21e 2764#endif
37bd1396 2765#endif
79072805 2766
352d5a3a 2767#ifndef STANDARD_C
fe14fcc3 2768/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2769Time_t time();
8d063cd8 2770struct tm *gmtime(), *localtime();
092bebab 2771#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2772char *(strchr)(), *(strrchr)();
2773char *(strcpy)(), *(strcat)();
2774#else
93a17b20 2775char *strchr(), *strrchr();
378cc40b 2776char *strcpy(), *strcat();
9d116dd7 2777#endif
352d5a3a 2778#endif /* ! STANDARD_C */
8d063cd8 2779
79072805
LW		 2780
2781#ifdef I_MATH
2782# include <math.h>
2783#else
32f822de 2784START_EXTERN_C
20ce7b12
GS		 2785 double exp (double);
2786 double log (double);
2787 double log10 (double);
2788 double sqrt (double);
2789 double frexp (double,int*);
2790 double ldexp (double,int);
2791 double modf (double,double*);
2792 double sin (double);
2793 double cos (double);
2794 double atan2 (double,double);
2795 double pow (double,double);
32f822de 2796END_EXTERN_C
79072805
LW		 2797#endif
2798
aa8b85de
JH		 2799#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2800# define NV_INF LDBL_INFINITY
2801#endif
2802#if !defined(NV_INF) && defined(DBL_INFINITY)
2803# define NV_INF (NV)DBL_INFINITY
2804#endif
2805#if !defined(NV_INF) && defined(INFINITY)
2806# define NV_INF (NV)INFINITY
2807#endif
2808#if !defined(NV_INF) && defined(INF)
2809# define NV_INF (NV)INF
2810#endif
2811#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2812# define NV_INF (NV)HUGE_VALL
2813#endif
2814#if !defined(NV_INF) && defined(HUGE_VAL)
2815# define NV_INF (NV)HUGE_VAL
2816#endif
2817
2818#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2819# if !defined(NV_NAN) && defined(LDBL_NAN)
2820# define NV_NAN LDBL_NAN
2821# endif
2822# if !defined(NV_NAN) && defined(LDBL_QNAN)
2823# define NV_NAN LDBL_QNAN
2824# endif
2825# if !defined(NV_NAN) && defined(LDBL_SNAN)
2826# define NV_NAN LDBL_SNAN
2827# endif
2828#endif
2829#if !defined(NV_NAN) && defined(DBL_NAN)
2830# define NV_NAN (NV)DBL_NAN
2831#endif
2832#if !defined(NV_NAN) && defined(DBL_QNAN)
2833# define NV_NAN (NV)DBL_QNAN
2834#endif
2835#if !defined(NV_NAN) && defined(DBL_SNAN)
2836# define NV_NAN (NV)DBL_SNAN
2837#endif
2838#if !defined(NV_NAN) && defined(QNAN)
2839# define NV_NAN (NV)QNAN
2840#endif
2841#if !defined(NV_NAN) && defined(SNAN)
2842# define NV_NAN (NV)SNAN
2843#endif
2844#if !defined(NV_NAN) && defined(NAN)
2845# define NV_NAN (NV)NAN
2846#endif
2847
a0d0e21e 2848#ifndef __cplusplus
8f1f23e8 2849# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2850char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2851# else
fd8cd3a3 2852# if !defined(WIN32) && !defined(VMS)
10bc17b6 2853#ifndef crypt
20ce7b12 2854char *crypt (const char*, const char*);
10bc17b6 2855#endif
5014db98 2856# endif /* !WIN32 */
8f1f23e8 2857# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2858# ifndef DONT_DECLARE_STD
2859# ifndef getenv
20ce7b12 2860char *getenv (const char*);
26618a56 2861# endif /* !getenv */
28ca6303 2862# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2863# ifdef _FILE_OFFSET_BITS
28ca6303 2864# if _FILE_OFFSET_BITS == 64
20ce7b12 2865Off_t lseek (int,Off_t,int);
0fc67700
JH		 2866# endif
2867# endif
bf0c440f 2868# endif
26618a56 2869# endif /* !DONT_DECLARE_STD */
10bc17b6 2870#ifndef getlogin
20ce7b12 2871char *getlogin (void);
10bc17b6 2872#endif
26618a56 2873#endif /* !__cplusplus */
79072805 2874
16d20bd9 2875#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2876#define UNLINK unlnk
20ce7b12 2877I32 unlnk (char*);
8d063cd8 2878#else
80252599 2879#define UNLINK PerlLIO_unlink
8d063cd8 2880#endif
a687059c 2881
fa0a29af
JH		 2882/* some versions of glibc are missing the setresuid() proto */
2883#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2884int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2885#endif
fa0a29af
JH		 2886/* some versions of glibc are missing the setresgid() proto */
2887#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2888int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2889#endif
2890
fe14fcc3 2891#ifndef HAS_SETREUID
85e6fe83
LW		 2892# ifdef HAS_SETRESUID
2893# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2894# define HAS_SETREUID
2895# endif
a687059c 2896#endif
fe14fcc3 2897#ifndef HAS_SETREGID
85e6fe83
LW		 2898# ifdef HAS_SETRESGID
2899# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2900# define HAS_SETREGID
2901# endif
a687059c 2902#endif
ee0007ab 2903
d543acb6 2904/* Sighandler_t defined in iperlsys.h */
ff68c719 2905
2906#ifdef HAS_SIGACTION
2907typedef struct sigaction Sigsave_t;
2908#else
2909typedef Sighandler_t Sigsave_t;
2910#endif
2911
ee0007ab
LW		 2912#define SCAN_DEF 0
2913#define SCAN_TR 1
2914#define SCAN_REPL 2
79072805
LW		 2915
2916#ifdef DEBUGGING
4633a7c4 2917# ifndef register
a0d0e21e
LW		 2918# define register
2919# endif
cea2e8a9 2920# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2921#else
cea2e8a9 2922# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2923#endif
2924
18f739ee 2925#ifdef MYMALLOC
772fe5b3 2926# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2927# define MALLOC_INIT \
2928 STMT_START { \
2929 PL_malloc_mutex = NULL; \
2930 MUTEX_INIT(&PL_malloc_mutex); \
2931 } STMT_END
2932# define MALLOC_TERM \
2933 STMT_START { \
2934 perl_mutex tmp = PL_malloc_mutex; \
2935 PL_malloc_mutex = NULL; \
2936 MUTEX_DESTROY(&tmp); \
2937 } STMT_END
2938# else
2939# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2940# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2941# endif
18f739ee
IZ		 2942#else
2943# define MALLOC_INIT
2944# define MALLOC_TERM
2945#endif
2946
b6d9d515 2947
0cb96387 2948typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2949typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2950typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2951typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2952
940cb80d 2953/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2954#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2955
8f1f23e8
W		 2956/* NeXT has problems with crt0.o globals */
2957#if defined(__DYNAMIC__) && \
6239f2da 2958 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 2959# if defined(NeXT) || defined(__NeXT)
2960# include <mach-o/dyld.h>
2961# define environ (*environ_pointer)
0c30d9ec 2962EXT char *** environ_pointer;
8f1f23e8 2963# else
6239f2da 2964# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 2965# include <crt_externs.h> /* for the env array */
2966# define environ (*_NSGetEnviron())
2967# endif
0c30d9ec 2968# endif
8f1f23e8
W		 2969#else
2970 /* VMS and some other platforms don't use the environ array */
13b6e58c 2971# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2972# if !defined(DONT_DECLARE_STD) || \
2973 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2974 defined(__sgi) || \
d460ef45 2975 defined(__DGUX)
8f1f23e8 2976extern char ** environ; /* environment variables supplied via exec */
a6c40364 2977# endif
8f1f23e8
W		 2978# endif
2979#endif
79072805 2980
73c4f7a1
GS		 2981START_EXTERN_C
2982
79072805 2983/* handy constants */
22c35a8c 2984EXTCONST char PL_warn_uninit[]
b89fed5f 2985 INIT("Use of uninitialized value%s%s");
22c35a8c 2986EXTCONST char PL_warn_nosemi[]
463ee0b2 2987 INIT("Semicolon seems to be missing");
22c35a8c 2988EXTCONST char PL_warn_reserved[]
463ee0b2 2989 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2990EXTCONST char PL_warn_nl[]
93a17b20 2991 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2992EXTCONST char PL_no_wrongref[]
a0d0e21e 2993 INIT("Can't use %s ref as %s ref");
22c35a8c 2994EXTCONST char PL_no_symref[]
748a9306 2995 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2996EXTCONST char PL_no_usym[]
8990e307 2997 INIT("Can't use an undefined value as %s reference");
22c35a8c 2998EXTCONST char PL_no_aelem[]
93a17b20 2999 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 3000EXTCONST char PL_no_helem[]
93a17b20 3001 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 3002EXTCONST char PL_no_modify[]
93a17b20 3003 INIT("Modification of a read-only value attempted");
22c35a8c 3004EXTCONST char PL_no_mem[]
93a17b20 3005 INIT("Out of memory!\n");
22c35a8c 3006EXTCONST char PL_no_security[]
463ee0b2 3007 INIT("Insecure dependency in %s%s");
22c35a8c 3008EXTCONST char PL_no_sock_func[]
93a17b20 3009 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3010EXTCONST char PL_no_dir_func[]
93a17b20 3011 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3012EXTCONST char PL_no_func[]
93a17b20 3013 INIT("The %s function is unimplemented");
22c35a8c 3014EXTCONST char PL_no_myglob[]
748a9306 3015 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3016EXTCONST char PL_no_localize_ref[]
3017 INIT("Can't localize through a reference");
93a17b20 3018
7575fa06 3019EXTCONST char PL_uuemap[65]
80252599
GS		 3020 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3021
3022
79072805 3023#ifdef DOINIT
22c35a8c
GS		 3024EXT char *PL_sig_name[] = { SIG_NAME };
3025EXT int PL_sig_num[] = { SIG_NUM };
79072805 3026#else
22c35a8c
GS		 3027EXT char *PL_sig_name[];
3028EXT int PL_sig_num[];
79072805
LW		 3029#endif
3030
3bd709b1 3031/* fast conversion and case folding tables */
bbce6d69 3032
79072805 3033#ifdef DOINIT
9d116dd7 3034#ifdef EBCDIC
22c35a8c 3035EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3036 0, 1, 2, 3, 4, 5, 6, 7,
3037 8, 9, 10, 11, 12, 13, 14, 15,
3038 16, 17, 18, 19, 20, 21, 22, 23,
3039 24, 25, 26, 27, 28, 29, 30, 31,
3040 32, 33, 34, 35, 36, 37, 38, 39,
3041 40, 41, 42, 43, 44, 45, 46, 47,
3042 48, 49, 50, 51, 52, 53, 54, 55,
3043 56, 57, 58, 59, 60, 61, 62, 63,
3044 64, 65, 66, 67, 68, 69, 70, 71,
3045 72, 73, 74, 75, 76, 77, 78, 79,
3046 80, 81, 82, 83, 84, 85, 86, 87,
3047 88, 89, 90, 91, 92, 93, 94, 95,
3048 96, 97, 98, 99, 100, 101, 102, 103,
3049 104, 105, 106, 107, 108, 109, 110, 111,
3050 112, 113, 114, 115, 116, 117, 118, 119,
3051 120, 121, 122, 123, 124, 125, 126, 127,
3052 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3053 'H', 'I', 138, 139, 140, 141, 142, 143,
3054 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3055 'Q', 'R', 154, 155, 156, 157, 158, 159,
3056 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3057 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3058 176, 177, 178, 179, 180, 181, 182, 183,
3059 184, 185, 186, 187, 188, 189, 190, 191,
3060 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3061 'h', 'i', 202, 203, 204, 205, 206, 207,
3062 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3063 'q', 'r', 218, 219, 220, 221, 222, 223,
3064 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3065 'y', 'z', 234, 235, 236, 237, 238, 239,
3066 240, 241, 242, 243, 244, 245, 246, 247,
3067 248, 249, 250, 251, 252, 253, 254, 255
3068};
3069#else /* ascii rather than ebcdic */
22c35a8c 3070EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3071 0, 1, 2, 3, 4, 5, 6, 7,
3072 8, 9, 10, 11, 12, 13, 14, 15,
3073 16, 17, 18, 19, 20, 21, 22, 23,
3074 24, 25, 26, 27, 28, 29, 30, 31,
3075 32, 33, 34, 35, 36, 37, 38, 39,
3076 40, 41, 42, 43, 44, 45, 46, 47,
3077 48, 49, 50, 51, 52, 53, 54, 55,
3078 56, 57, 58, 59, 60, 61, 62, 63,
3079 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3080 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3081 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3082 'x', 'y', 'z', 91, 92, 93, 94, 95,
3083 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3084 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3085 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3086 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3087 128, 129, 130, 131, 132, 133, 134, 135,
3088 136, 137, 138, 139, 140, 141, 142, 143,
3089 144, 145, 146, 147, 148, 149, 150, 151,
3090 152, 153, 154, 155, 156, 157, 158, 159,
3091 160, 161, 162, 163, 164, 165, 166, 167,
3092 168, 169, 170, 171, 172, 173, 174, 175,
3093 176, 177, 178, 179, 180, 181, 182, 183,
3094 184, 185, 186, 187, 188, 189, 190, 191,
3095 192, 193, 194, 195, 196, 197, 198, 199,
3096 200, 201, 202, 203, 204, 205, 206, 207,
3097 208, 209, 210, 211, 212, 213, 214, 215,
3098 216, 217, 218, 219, 220, 221, 222, 223,
3099 224, 225, 226, 227, 228, 229, 230, 231,
3100 232, 233, 234, 235, 236, 237, 238, 239,
3101 240, 241, 242, 243, 244, 245, 246, 247,
3102 248, 249, 250, 251, 252, 253, 254, 255
3103};
9d116dd7 3104#endif /* !EBCDIC */
79072805 3105#else
22c35a8c 3106EXTCONST unsigned char PL_fold[];
79072805
LW		 3107#endif
3108
3109#ifdef DOINIT
22c35a8c 3110EXT unsigned char PL_fold_locale[] = {
79072805
LW		 3111 0, 1, 2, 3, 4, 5, 6, 7,
3112 8, 9, 10, 11, 12, 13, 14, 15,
3113 16, 17, 18, 19, 20, 21, 22, 23,
3114 24, 25, 26, 27, 28, 29, 30, 31,
3115 32, 33, 34, 35, 36, 37, 38, 39,
3116 40, 41, 42, 43, 44, 45, 46, 47,
3117 48, 49, 50, 51, 52, 53, 54, 55,
3118 56, 57, 58, 59, 60, 61, 62, 63,
3119 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3120 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3121 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3122 'x', 'y', 'z', 91, 92, 93, 94, 95,
3123 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3124 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3125 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3126 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3127 128, 129, 130, 131, 132, 133, 134, 135,
3128 136, 137, 138, 139, 140, 141, 142, 143,
3129 144, 145, 146, 147, 148, 149, 150, 151,
3130 152, 153, 154, 155, 156, 157, 158, 159,
3131 160, 161, 162, 163, 164, 165, 166, 167,
3132 168, 169, 170, 171, 172, 173, 174, 175,
3133 176, 177, 178, 179, 180, 181, 182, 183,
3134 184, 185, 186, 187, 188, 189, 190, 191,
3135 192, 193, 194, 195, 196, 197, 198, 199,
3136 200, 201, 202, 203, 204, 205, 206, 207,
3137 208, 209, 210, 211, 212, 213, 214, 215,
3138 216, 217, 218, 219, 220, 221, 222, 223,
3139 224, 225, 226, 227, 228, 229, 230, 231,
3140 232, 233, 234, 235, 236, 237, 238, 239,
3141 240, 241, 242, 243, 244, 245, 246, 247,
3142 248, 249, 250, 251, 252, 253, 254, 255
3143};
3144#else
22c35a8c 3145EXT unsigned char PL_fold_locale[];
79072805
LW		 3146#endif
3147
3148#ifdef DOINIT
9d116dd7 3149#ifdef EBCDIC
22c35a8c 3150EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3151 1, 2, 84, 151, 154, 155, 156, 157,
3152 165, 246, 250, 3, 158, 7, 18, 29,
3153 40, 51, 62, 73, 85, 96, 107, 118,
3154 129, 140, 147, 148, 149, 150, 152, 153,
3155 255, 6, 8, 9, 10, 11, 12, 13,
3156 14, 15, 24, 25, 26, 27, 28, 226,
3157 29, 30, 31, 32, 33, 43, 44, 45,
3158 46, 47, 48, 49, 50, 76, 77, 78,
3159 79, 80, 81, 82, 83, 84, 85, 86,
3160 87, 94, 95, 234, 181, 233, 187, 190,
3161 180, 96, 97, 98, 99, 100, 101, 102,
3162 104, 112, 182, 174, 236, 232, 229, 103,
3163 228, 226, 114, 115, 116, 117, 118, 119,
3164 120, 121, 122, 235, 176, 230, 194, 162,
3165 130, 131, 132, 133, 134, 135, 136, 137,
3166 138, 139, 201, 205, 163, 217, 220, 224,
3167 5, 248, 227, 244, 242, 255, 241, 231,
3168 240, 253, 16, 197, 19, 20, 21, 187,
3169 23, 169, 210, 245, 237, 249, 247, 239,
3170 168, 252, 34, 196, 36, 37, 38, 39,
3171 41, 42, 251, 254, 238, 223, 221, 213,
3172 225, 177, 52, 53, 54, 55, 56, 57,
3173 58, 59, 60, 61, 63, 64, 65, 66,
3174 67, 68, 69, 70, 71, 72, 74, 75,
3175 205, 208, 186, 202, 200, 218, 198, 179,
3176 178, 214, 88, 89, 90, 91, 92, 93,
3177 217, 166, 170, 207, 199, 209, 206, 204,
3178 160, 212, 105, 106, 108, 109, 110, 111,
3179 203, 113, 216, 215, 192, 175, 193, 243,
3180 172, 161, 123, 124, 125, 126, 127, 128,
3181 222, 219, 211, 195, 188, 193, 185, 184,
3182 191, 183, 141, 142, 143, 144, 145, 146
3183};
3184#else /* ascii rather than ebcdic */
22c35a8c 3185EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3186 1, 2, 84, 151, 154, 155, 156, 157,
3187 165, 246, 250, 3, 158, 7, 18, 29,
3188 40, 51, 62, 73, 85, 96, 107, 118,
3189 129, 140, 147, 148, 149, 150, 152, 153,
3190 255, 182, 224, 205, 174, 176, 180, 217,
3191 233, 232, 236, 187, 235, 228, 234, 226,
3192 222, 219, 211, 195, 188, 193, 185, 184,
3193 191, 183, 201, 229, 181, 220, 194, 162,
3194 163, 208, 186, 202, 200, 218, 198, 179,
3195 178, 214, 166, 170, 207, 199, 209, 206,
3196 204, 160, 212, 216, 215, 192, 175, 173,
3197 243, 172, 161, 190, 203, 189, 164, 230,
3198 167, 248, 227, 244, 242, 255, 241, 231,
3199 240, 253, 169, 210, 245, 237, 249, 247,
3200 239, 168, 252, 251, 254, 238, 223, 221,
3201 213, 225, 177, 197, 171, 196, 159, 4,
3202 5, 6, 8, 9, 10, 11, 12, 13,
3203 14, 15, 16, 17, 19, 20, 21, 22,
3204 23, 24, 25, 26, 27, 28, 30, 31,
3205 32, 33, 34, 35, 36, 37, 38, 39,
3206 41, 42, 43, 44, 45, 46, 47, 48,
3207 49, 50, 52, 53, 54, 55, 56, 57,
3208 58, 59, 60, 61, 63, 64, 65, 66,
3209 67, 68, 69, 70, 71, 72, 74, 75,
3210 76, 77, 78, 79, 80, 81, 82, 83,
3211 86, 87, 88, 89, 90, 91, 92, 93,
3212 94, 95, 97, 98, 99, 100, 101, 102,
3213 103, 104, 105, 106, 108, 109, 110, 111,
3214 112, 113, 114, 115, 116, 117, 119, 120,
3215 121, 122, 123, 124, 125, 126, 127, 128,
3216 130, 131, 132, 133, 134, 135, 136, 137,
3217 138, 139, 141, 142, 143, 144, 145, 146
3218};
9d116dd7 3219#endif
79072805 3220#else
22c35a8c 3221EXTCONST unsigned char PL_freq[];
79072805
LW		 3222#endif
3223
8990e307
LW		 3224#ifdef DEBUGGING
3225#ifdef DOINIT
22c35a8c 3226EXTCONST char* PL_block_type[] = {
8990e307
LW		 3227 "NULL",
3228 "SUB",
3229 "EVAL",
3230 "LOOP",
3231 "SUBST",
3232 "BLOCK",
3233};
3234#else
22c35a8c 3235EXTCONST char* PL_block_type[];
8990e307
LW		 3236#endif
3237#endif
3238
73c4f7a1
GS		 3239END_EXTERN_C
3240
79072805
LW		 3241/*****************************************************************************/
3242/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3243/*****************************************************************************/
8990e307 3244/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3245
a0d0e21e
LW		 3246#include "perly.h"
3247
fb73857a 3248#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3249
79072805
LW		 3250typedef enum {
3251 XOPERATOR,
3252 XTERM,
79072805 3253 XREF,
8990e307 3254 XSTATE,
a0d0e21e 3255 XBLOCK,
09bef843
SB		 3256 XATTRBLOCK,
3257 XATTRTERM,
6f33ba73
RGS		 3258 XTERMBLOCK,
3259 XTERMORDORDOR /* evil hack */
27308ded 3260 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3261} expectation;
3262
dc9e4912
GS		 3263enum { /* pass one of these to get_vtbl */
3264 want_vtbl_sv,
3265 want_vtbl_env,
3266 want_vtbl_envelem,
3267 want_vtbl_sig,
3268 want_vtbl_sigelem,
3269 want_vtbl_pack,
3270 want_vtbl_packelem,
3271 want_vtbl_dbline,
3272 want_vtbl_isa,
3273 want_vtbl_isaelem,
3274 want_vtbl_arylen,
3275 want_vtbl_glob,
3276 want_vtbl_mglob,
3277 want_vtbl_nkeys,
3278 want_vtbl_taint,
3279 want_vtbl_substr,
3280 want_vtbl_vec,
3281 want_vtbl_pos,
3282 want_vtbl_bm,
3283 want_vtbl_fm,
3284 want_vtbl_uvar,
3285 want_vtbl_defelem,
3286 want_vtbl_regexp,
3287 want_vtbl_collxfrm,
3288 want_vtbl_amagic,
3289 want_vtbl_amagicelem,
dc9e4912 3290 want_vtbl_regdata,
810b8aa5 3291 want_vtbl_regdatum,
7e8c5dac
HS		 3292 want_vtbl_backref,
3293 want_vtbl_utf8
dc9e4912
GS		 3294};
3295
85e6fe83
LW		 3296 /* Note: the lowest 8 bits are reserved for
3297 stuffing into op->op_private */
f3aa04c2 3298#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3299#define HINT_INTEGER 0x00000001 /* integer pragma */
3300#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3301#define HINT_LOCALE 0x00000004 /* locale pragma */
3302#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3303/* #define HINT_notused10 0x00000010 */
a0ed51b3 3304 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3305 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3306
3307#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3308#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3309#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3310
9cfe5470 3311/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3312#define HINT_NEW_INTEGER 0x00001000
3313#define HINT_NEW_FLOAT 0x00002000
3314#define HINT_NEW_BINARY 0x00004000
3315#define HINT_NEW_STRING 0x00008000
3316#define HINT_NEW_RE 0x00010000
3317#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3318
9cfe5470
RGS		 3319#define HINT_RE_TAINT 0x00100000 /* re pragma */
3320#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3321
9cfe5470
RGS		 3322#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3323#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3324
8fa7688f 3325/* assertions pragma */
06492da6 3326#define HINT_ASSERTING 0x01000000
8fa7688f 3327#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3328
9cfe5470 3329/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3330#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3331#define HINT_SORT_QUICKSORT 0x00000001
3332#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3333#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3334
8bfdd7d9 3335/* Various states of the input record separator SV (rs) */
d4cce5f1 3336#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3337#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3338#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3339#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3340
128e8167 3341/* A struct for keeping various DEBUGGING related stuff,
ce333219 3342 * neatly packed. Currently only scratch variables for
128e8167
JH		 3343 * constructing debug output are included. Needed always,
3344 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3345struct perl_debug_pad {
3346 SV pad[3];
3347};
3348
3349#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3350#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3351
56953603 3352/* Enable variables which are pointers to functions */
a2efc822 3353typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3354typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3355typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3356 char* strend, char* strbeg, I32 minend,
3357 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3358typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3359 char *strpos, char *strend,
3360 U32 flags,
3361 struct re_scream_pos_data_s *d);
3362typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3363typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3364
c76ac1ee 3365typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3366typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3367typedef void (*SVFUNC_t) (pTHX_ SV*);
3368typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3369typedef void (*XSINIT_t) (pTHX);
3370typedef void (*ATEXIT_t) (pTHX_ void*);
3371typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3372
22239a37
NIS		 3373/* Set up PERLVAR macros for populating structs */
3374#define PERLVAR(var,type) type var;
51371543 3375#define PERLVARA(var,n,type) type var[n];
22239a37 3376#define PERLVARI(var,type,init) type var;
3fe35a81 3377#define PERLVARIC(var,type,init) type var;
22239a37 3378
58a50f62
GS		 3379/* Interpreter exitlist entry */
3380typedef struct exitlistentry {
acfe0abc 3381 void (*fn) (pTHX_ void*);
58a50f62
GS		 3382 void *ptr;
3383} PerlExitListEntry;
3384
22239a37
NIS		 3385#ifdef PERL_GLOBAL_STRUCT
3386struct perl_vars {
7766f137 3387# include "perlvars.h"
22239a37
NIS		 3388};
3389
7766f137 3390# ifdef PERL_CORE
533c011a
NIS		 3391EXT struct perl_vars PL_Vars;
3392EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3393# else /* PERL_CORE */
3394# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3395EXT
7766f137 3396# endif /* WIN32 */
533c011a 3397struct perl_vars *PL_VarsPtr;
7766f137
GS		 3398# define PL_Vars (*((PL_VarsPtr) \
3399 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3400# endif /* PERL_CORE */
22239a37
NIS		 3401#endif /* PERL_GLOBAL_STRUCT */
3402
acfe0abc 3403#if defined(MULTIPLICITY)
d460ef45 3404/* If we have multiple interpreters define a struct
d4cce5f1 3405 holding variables which must be per-interpreter
d460ef45 3406 If we don't have threads anything that would have
d4cce5f1
NIS		 3407 be per-thread is per-interpreter.
3408*/
3409
79072805 3410struct interpreter {
3db8f154 3411# include "thrdvar.h"
7766f137
GS		 3412# include "intrpvar.h"
3413/*
3414 * The following is a buffer where new variables must
acfe0abc 3415 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3416 */
3417PERLVARA(object_compatibility,30, char)
49f531da 3418};
d4cce5f1 3419
79072805 3420#else
49f531da
NIS		 3421struct interpreter {
3422 char broiled;
3423};
acfe0abc 3424#endif /* MULTIPLICITY */
79072805 3425
22fae026 3426typedef void *Thread;
22239a37
NIS		 3427
3428/* Done with PERLVAR macros for now ... */
d4cce5f1 3429#undef PERLVAR
51371543 3430#undef PERLVARA
d4cce5f1 3431#undef PERLVARI
3fe35a81 3432#undef PERLVARIC
79072805 3433
49704364
WL		 3434/* Types used by pack/unpack */
3435typedef enum {
3436 e_no_len, /* no length */
3437 e_number, /* number, [] */
3438 e_star /* asterisk */
3439} howlen_t;
3440
3441typedef struct {
3442 char* patptr; /* current template char */
3443 char* patend; /* one after last char */
3444 char* grpbeg; /* 1st char of ()-group */
3445 char* grpend; /* end of ()-group */
3446 I32 code; /* template code (!) */
3447 I32 length; /* length/repeat count */
3448 howlen_t howlen; /* how length is given */
3449 int level; /* () nesting level */
3450 U32 flags; /* /=4, comma=2, pack=1 */
3451} tempsym_t;
3452
22239a37 3453#include "thread.h"
79072805 3454#include "pp.h"
864dbfa3
GS		 3455
3456#ifndef PERL_CALLCONV
3457# define PERL_CALLCONV
d460ef45 3458#endif
864dbfa3 3459
65f19062
GS		 3460#ifndef NEXT30_NO_ATTRIBUTE
3461# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3462# ifdef __attribute__ /* Avoid possible redefinition errors */
3463# undef __attribute__
3464# endif
3465# define __attribute__(attr)
3466# endif
3467#endif
3468
0cb96387
GS		 3469#undef PERL_CKDEF
3470#undef PERL_PPDEF
3471#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3472#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3473
7766f137 3474#include "proto.h"
864dbfa3 3475
0cb96387 3476/* this has structure inits, so it cannot be included before here */
acfe0abc 3477#include "opcode.h"
864dbfa3 3478
d4cce5f1
NIS		 3479/* The following must follow proto.h as #defines mess up syntax */
3480
22c35a8c
GS		 3481#if !defined(PERL_FOR_X2P)
3482# include "embedvar.h"
3483#endif
d4cce5f1 3484
d460ef45 3485/* Now include all the 'global' variables
d4cce5f1 3486 * If we don't have threads or multiple interpreters
d460ef45 3487 * these include variables that would have been their struct-s
d4cce5f1 3488 */
d460ef45 3489
533c011a 3490#define PERLVAR(var,type) EXT type PL_##var;
51371543 3491#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3492#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3493#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3494
acfe0abc 3495#if !defined(MULTIPLICITY)
7766f137 3496START_EXTERN_C
066ef5b5 3497# include "intrpvar.h"
3db8f154 3498# include "thrdvar.h"
7766f137 3499END_EXTERN_C
22239a37
NIS		 3500#endif
3501
acfe0abc 3502#if defined(WIN32)
66a93824 3503/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3504# include "embed.h"
acfe0abc 3505#endif
22239a37 3506
c5be433b
GS		 3507#ifndef PERL_GLOBAL_STRUCT
3508START_EXTERN_C
3509
3510# include "perlvars.h"
3511
3512END_EXTERN_C
3513#endif
3514
d4cce5f1 3515#undef PERLVAR
51371543 3516#undef PERLVARA
d4cce5f1 3517#undef PERLVARI
0f3f18a6 3518#undef PERLVARIC
79072805 3519
73c4f7a1
GS		 3520START_EXTERN_C
3521
79072805 3522#ifdef DOINIT
bbce6d69 3523
68795e93 3524EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3525 MEMBER_TO_FPTR(Perl_magic_set),
3526 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3527 0, 0};
2b260de0
GS		 3528EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3529 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3530 0};
2b260de0
GS		 3531EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3532 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3533 0};
22c35a8c 3534EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3535#ifdef PERL_MICRO
3536EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3537#else
2b260de0
GS		 3538EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3539 MEMBER_TO_FPTR(Perl_magic_setsig),
3540 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3541 0};
64ca3a65 3542#endif
68795e93
NIS		 3543EXT MGVTBL PL_vtbl_pack = {0, 0,
3544 MEMBER_TO_FPTR(Perl_magic_sizepack),
3545 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3546 0};
2b260de0 3547EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3548 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3549 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3550 0};
2b260de0 3551EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3552 0, 0, 0};
2b260de0
GS		 3553EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3554 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3555 0};
2b260de0 3556EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3557 0, 0, 0};
2b260de0
GS		 3558EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3559 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3560 0, 0, 0};
2b260de0
GS		 3561EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3562 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3563 0, 0, 0};
2b260de0 3564EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3565 0, 0, 0};
2b260de0
GS		 3566EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3567 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3568 0, 0, 0};
68795e93
NIS		 3569EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3570 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3571 0, 0, 0};
68795e93
NIS		 3572EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3573 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3574 0, 0, 0};
2b260de0 3575EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3576 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3577 0, 0, 0};
2b260de0
GS		 3578EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3579 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3580 0, 0, 0};
2b260de0 3581EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3582 0, 0, 0};
2b260de0 3583EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3584 0, 0, 0};
2b260de0
GS		 3585EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3586 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3587 0, 0, 0};
68795e93
NIS		 3588EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3589 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3590 0, 0, 0};
a0d0e21e 3591
faf82a0b 3592EXT MGVTBL PL_vtbl_regexp = {0, MEMBER_TO_FPTR(Perl_magic_setregexp),0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
2b260de0 3593EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3594EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3595 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3596
36477c24 3597#ifdef USE_LOCALE_COLLATE
22c35a8c 3598EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3599 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3600 0, 0, 0};
3601#endif
a0d0e21e 3602
2b260de0
GS		 3603EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3604 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3605EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3606 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3607
810b8aa5 3608EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3609 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3610
d460ef45
NIS		 3611EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3612 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3613
7e8c5dac
HS		 3614EXT MGVTBL PL_vtbl_utf8 = {0,
3615 MEMBER_TO_FPTR(Perl_magic_setutf8),
3616 0, 0, 0};
3617
bbce6d69 3618#else /* !DOINIT */
3619
22c35a8c
GS		 3620EXT MGVTBL PL_vtbl_sv;
3621EXT MGVTBL PL_vtbl_env;
3622EXT MGVTBL PL_vtbl_envelem;
3623EXT MGVTBL PL_vtbl_sig;
3624EXT MGVTBL PL_vtbl_sigelem;
3625EXT MGVTBL PL_vtbl_pack;
3626EXT MGVTBL PL_vtbl_packelem;
3627EXT MGVTBL PL_vtbl_dbline;
3628EXT MGVTBL PL_vtbl_isa;
3629EXT MGVTBL PL_vtbl_isaelem;
3630EXT MGVTBL PL_vtbl_arylen;
3631EXT MGVTBL PL_vtbl_glob;
3632EXT MGVTBL PL_vtbl_mglob;
3633EXT MGVTBL PL_vtbl_nkeys;
3634EXT MGVTBL PL_vtbl_taint;
3635EXT MGVTBL PL_vtbl_substr;
3636EXT MGVTBL PL_vtbl_vec;
3637EXT MGVTBL PL_vtbl_pos;
3638EXT MGVTBL PL_vtbl_bm;
3639EXT MGVTBL PL_vtbl_fm;
3640EXT MGVTBL PL_vtbl_uvar;
d460ef45 3641EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3642
22c35a8c
GS		 3643EXT MGVTBL PL_vtbl_defelem;
3644EXT MGVTBL PL_vtbl_regexp;
3645EXT MGVTBL PL_vtbl_regdata;
3646EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3647
36477c24 3648#ifdef USE_LOCALE_COLLATE
22c35a8c 3649EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3650#endif
a0d0e21e 3651
22c35a8c
GS		 3652EXT MGVTBL PL_vtbl_amagic;
3653EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3654
810b8aa5 3655EXT MGVTBL PL_vtbl_backref;
7e8c5dac 3656EXT MGVTBL PL_vtbl_utf8;
810b8aa5 3657
bbce6d69 3658#endif /* !DOINIT */
85e6fe83 3659
f5284f61
IZ		 3660enum {
3661 fallback_amg, abs_amg,
3662 bool__amg, nomethod_amg,
3663 string_amg, numer_amg,
3664 add_amg, add_ass_amg,
3665 subtr_amg, subtr_ass_amg,
3666 mult_amg, mult_ass_amg,
3667 div_amg, div_ass_amg,
3668 modulo_amg, modulo_ass_amg,
3669 pow_amg, pow_ass_amg,
3670 lshift_amg, lshift_ass_amg,
3671 rshift_amg, rshift_ass_amg,
3672 band_amg, band_ass_amg,
3673 bor_amg, bor_ass_amg,
3674 bxor_amg, bxor_ass_amg,
3675 lt_amg, le_amg,
3676 gt_amg, ge_amg,
3677 eq_amg, ne_amg,
3678 ncmp_amg, scmp_amg,
3679 slt_amg, sle_amg,
3680 sgt_amg, sge_amg,
3681 seq_amg, sne_amg,
3682 not_amg, compl_amg,
3683 inc_amg, dec_amg,
3684 atan2_amg, cos_amg,
3685 sin_amg, exp_amg,
3686 log_amg, sqrt_amg,
3687 repeat_amg, repeat_ass_amg,
3688 concat_amg, concat_ass_amg,
3689 copy_amg, neg_amg,
3690 to_sv_amg, to_av_amg,
3691 to_hv_amg, to_gv_amg,
d460ef45 3692 to_cv_amg, iter_amg,
f216259d
IZ		 3693 int_amg, DESTROY_amg,
3694 max_amg_code
64a0062a 3695 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3696};
3697
3698#define NofAMmeth max_amg_code
89ffc314 3699#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3700
a0d0e21e 3701#ifdef DOINIT
22c35a8c 3702EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3703 /* Names kept in the symbol table. fallback => "()", the rest has
3704 "(" prepended. The only other place in perl which knows about
3705 this convention is AMG_id2name (used for debugging output and
3706 'nomethod' only), the only other place which has it hardwired is
3707 overload.pm. */
3708 "()", "(abs", /* "fallback" should be the first. */
3709 "(bool", "(nomethod",
3710 "(\"\"", "(0+",
3711 "(+", "(+=",
3712 "(-", "(-=",
3713 "(*", "(*=",
3714 "(/", "(/=",
3715 "(%", "(%=",
3716 "(**", "(**=",
3717 "(<<", "(<<=",
3718 "(>>", "(>>=",
3719 "(&", "(&=",
3720 "(|", "(|=",
3721 "(^", "(^=",
3722 "(<", "(<=",
3723 "(>", "(>=",
3724 "(==", "(!=",
3725 "(<=>", "(cmp",
3726 "(lt", "(le",
3727 "(gt", "(ge",
3728 "(eq", "(ne",
3729 "(!", "(~",
3730 "(++", "(--",
3731 "(atan2", "(cos",
3732 "(sin", "(exp",
3733 "(log", "(sqrt",
3734 "(x", "(x=",
3735 "(.", "(.=",
3736 "(=", "(neg",
3737 "(${}", "(@{}",
3738 "(%{}", "(*{}",
3739 "(&{}", "(<>",
f216259d 3740 "(int", "DESTROY",
a0d0e21e
LW		 3741};
3742#else
22c35a8c 3743EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3744#endif /* def INITAMAGIC */
3745
73c4f7a1
GS		 3746END_EXTERN_C
3747
a6006777 3748struct am_table {
eb160463 3749 U32 was_ok_sub;
a0d0e21e 3750 long was_ok_am;
a6006777 3751 U32 flags;
3752 CV* table[NofAMmeth];
a0d0e21e
LW		 3753 long fallback;
3754};
a6006777 3755struct am_table_short {
eb160463 3756 U32 was_ok_sub;
a6006777 3757 long was_ok_am;
3758 U32 flags;
3759};
a0d0e21e 3760typedef struct am_table AMT;
a6006777 3761typedef struct am_table_short AMTS;
a0d0e21e
LW		 3762
3763#define AMGfallNEVER 1
3764#define AMGfallNO 2
3765#define AMGfallYES 3
3766
a6006777 3767#define AMTf_AMAGIC 1
32251b26 3768#define AMTf_OVERLOADED 2
a6006777 3769#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3770#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3771#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3772#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3773#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3774#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3775
32251b26 3776#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3777
3778/*
3779 * some compilers like to redefine cos et alia as faster
3780 * (and less accurate?) versions called F_cos et cetera (Quidquid
3781 * latine dictum sit, altum viditur.) This trick collides with
3782 * the Perl overloading (amg). The following #defines fool both.
3783 */
3784
3785#ifdef _FASTMATH
3786# ifdef atan2
3787# define F_atan2_amg atan2_amg
3788# endif
3789# ifdef cos
3790# define F_cos_amg cos_amg
3791# endif
3792# ifdef exp
3793# define F_exp_amg exp_amg
3794# endif
3795# ifdef log
3796# define F_log_amg log_amg
3797# endif
3798# ifdef pow
3799# define F_pow_amg pow_amg
3800# endif
3801# ifdef sin
3802# define F_sin_amg sin_amg
3803# endif
3804# ifdef sqrt
3805# define F_sqrt_amg sqrt_amg
3806# endif
3807#endif /* _FASTMATH */
3808
83ee9e09
GS		 3809#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3810 PERLDBf_NOOPT | PERLDBf_INTER | \
3811 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 3812 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
3813 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 3814#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3815#define PERLDBf_LINE 0x02 /* Keep line # */
3816#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3817#define PERLDBf_INTER 0x08 /* Preserve more data for
3818 later inspections */
3819#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3820#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3821#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3822#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3823#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3824#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 3825#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 3826
3280af22
NIS		 3827#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3828#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3829#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3830#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3831#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3832#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3833#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3834#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3835#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3836#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 3837#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 3838
36477c24 3839#ifdef USE_LOCALE_NUMERIC
bbce6d69 3840
36477c24 3841#define SET_NUMERIC_STANDARD() \
ff4fed7c 3842 set_numeric_standard();
36477c24 3843
3844#define SET_NUMERIC_LOCAL() \
ff4fed7c 3845 set_numeric_local();
bbce6d69 3846
2de3dbcc
JH		 3847#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3848#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3849
3850#define IN_LOCALE \
3851 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3852
f93f4e46 3853#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3854 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3855 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3856
3857#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3858 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3859 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3860
3861#define RESTORE_NUMERIC_LOCAL() \
3862 if (was_local) SET_NUMERIC_LOCAL();
3863
3864#define RESTORE_NUMERIC_STANDARD() \
3865 if (was_standard) SET_NUMERIC_STANDARD();
3866
5b877257 3867#define Atof my_atof
097ee67d 3868
36477c24 3869#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3870
097ee67d
JH		 3871#define SET_NUMERIC_STANDARD() /**/
3872#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3873#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3874#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3875#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3876#define RESTORE_NUMERIC_LOCAL() /**/
3877#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 3878#define Atof my_atof
ad3e0f90 3879#define IN_LOCALE_RUNTIME 0
bbce6d69 3880
36477c24 3881#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3882
079290de 3883#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3884# ifdef __hpux
3885# define strtoll __strtoll /* secret handshake */
3886# endif
c623ac67
GS		 3887# ifdef WIN64
3888# define strtoll _strtoi64 /* secret handshake */
3889# endif
079290de
GS		 3890# if !defined(Strtol) && defined(HAS_STRTOLL)
3891# define Strtol strtoll
ad551343 3892# endif
28e5dec8
JH		 3893# if !defined(Strtol) && defined(HAS_STRTOQ)
3894# define Strtol strtoq
3895# endif
ff935051 3896/* is there atoq() anywhere? */
15b99d39 3897#endif
079290de
GS		 3898#if !defined(Strtol) && defined(HAS_STRTOL)
3899# define Strtol strtol
3900#endif
3901#ifndef Atol
3902/* It would be more fashionable to use Strtol() to define atol()
3903 * (as is done for Atoul(), see below) but for backward compatibility
3904 * we just assume atol(). */
76b882ba 3905# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 3906# ifdef WIN64
3907# define atoll _atoi64 /* secret handshake */
3908# endif
76b882ba
JH		 3909# define Atol atoll
3910# else
3911# define Atol atol
3912# endif
cf2093f6
JH		 3913#endif
3914
55eb892c 3915#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3916# ifdef __hpux
3917# define strtoull __strtoull /* secret handshake */
3918# endif
c623ac67
GS		 3919# ifdef WIN64
3920# define strtoull _strtoui64 /* secret handshake */
3921# endif
ad551343 3922# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3923# define Strtoul strtoull
15b99d39 3924# endif
079290de
GS		 3925# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3926# define Strtoul strtouq
3927# endif
76d49b1c 3928/* is there atouq() anywhere? */
ad551343 3929#endif
079290de
GS		 3930#if !defined(Strtoul) && defined(HAS_STRTOUL)
3931# define Strtoul strtoul
cf2093f6 3932#endif
a5523c5b
JH		 3933#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
3934# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
3935#endif
079290de
GS		 3936#ifndef Atoul
3937# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3938#endif
cf2093f6 3939
760ac839 3940
06d86050
GS		 3941/* if these never got defined, they need defaults */
3942#ifndef PERL_SET_CONTEXT
3943# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3944#endif
3945
3946#ifndef PERL_GET_CONTEXT
3947# define PERL_GET_CONTEXT PERL_GET_INTERP
3948#endif
3949
3950#ifndef PERL_GET_THX
3951# define PERL_GET_THX ((void*)NULL)
3952#endif
3953
3954#ifndef PERL_SET_THX
3955# define PERL_SET_THX(t) NOOP
3956#endif
3957
a868473f
NIS		 3958#ifndef PERL_SCRIPT_MODE
3959#define PERL_SCRIPT_MODE "r"
3960#endif
3961
fba3b22e 3962/*
da927450
JH		 3963 * Some operating systems are stingy with stack allocation,
3964 * so perl may have to guard against stack overflow.
3965 */
3966#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3967#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3968#endif
3969
3970/*
3971 * Some nonpreemptive operating systems find it convenient to
3972 * check for asynchronous conditions after each op execution.
3973 * Keep this check simple, or it may slow down execution
3974 * massively.
3975 */
ce08f86c 3976
1d615522 3977#ifndef PERL_MICRO
4ffa73a3
JH		 3978# ifndef PERL_ASYNC_CHECK
3979# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3980# endif
ce08f86c
NIS		 3981#endif
3982
da927450 3983#ifndef PERL_ASYNC_CHECK
1d615522 3984# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3985#endif
3986
3987/*
3988 * On some operating systems, a memory allocation may succeed,
3989 * but put the process too close to the system's comfort limit.
3990 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3991 * it to NULL.
3992 */
3993#ifndef PERL_ALLOC_CHECK
c2af87cb 3994#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3995#endif
3996
3997/*
fba3b22e
MB		 3998 * nice_chunk and nice_chunk size need to be set
3999 * and queried under the protection of sv_mutex
4000 */
30ad99e7
MJD		 4001#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
4002 void *new_chunk; \
4003 U32 new_chunk_size; \
4004 LOCK_SV_MUTEX; \
4005 new_chunk = (void *)(chunk); \
4006 new_chunk_size = (chunk_size); \
4007 if (new_chunk_size > PL_nice_chunk_size) { \
4008 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
4009 PL_nice_chunk = new_chunk; \
4010 PL_nice_chunk_size = new_chunk_size; \
4011 } else { \
4012 Safefree(chunk); \
4013 } \
4014 UNLOCK_SV_MUTEX; \
4015 } STMT_END
fba3b22e 4016
bd89102f
AD		 4017#ifdef HAS_SEM
4018# include <sys/ipc.h>
4019# include <sys/sem.h>
4020# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
4021 union semun {
dbba660d
TC		 4022 int val;
4023 struct semid_ds *buf;
4024 unsigned short *array;
bd89102f
AD		 4025 };
4026# endif
4027# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 4028# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
4029 union gccbug_semun {
4030 int val;
4031 struct semid_ds *buf;
4032 unsigned short *array;
4033 char __dummy[5];
4034 };
4035# define semun gccbug_semun
4036# endif
bd89102f
AD		 4037# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
4038# else
4039# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 4040# ifdef EXTRA_F_IN_SEMUN_BUF
4041# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
4042# else
4043# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
4044# endif
bd89102f
AD		 4045# endif
4046# endif
bd89102f 4047#endif
49f531da 4048
89ca4ac7
JH		 4049/*
4050 * Boilerplate macros for initializing and accessing interpreter-local
4051 * data from C. All statics in extensions should be reworked to use
4052 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 4053 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 4054 *
4055 * Code that uses these macros is responsible for the following:
43a739c2
JH		 4056 * 1. #define MY_CXT_KEY to a unique string, e.g.
4057 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 4058 * 2. Declare a typedef named my_cxt_t that is a structure that contains
4059 * all the data that needs to be interpreter-local.
4060 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
4061 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
4062 * (typically put in the BOOT: section).
4063 * 5. Use the members of the my_cxt_t structure everywhere as
4064 * MY_CXT.member.
4065 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
4066 * access MY_CXT.
4067 */
4068
fc958cd2 4069#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 4070
4071/* This must appear in all extensions that define a my_cxt_t structure,
4072 * right after the definition (i.e. at file scope). The non-threads
4073 * case below uses it to declare the data as static. */
4074#define START_MY_CXT
4075
4076/* Fetches the SV that keeps the per-interpreter data. */
4077#define dMY_CXT_SV \
4078 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
4079 sizeof(MY_CXT_KEY)-1, TRUE)
4080
4081/* This declaration should be used within all functions that use the
4082 * interpreter-local data. */
4083#define dMY_CXT \
4084 dMY_CXT_SV; \
ec0e15e0 4085 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 4086
4087/* Creates and zeroes the per-interpreter data.
4088 * (We allocate my_cxtp in a Perl SV so that it will be released when
4089 * the interpreter goes away.) */
4090#define MY_CXT_INIT \
4091 dMY_CXT_SV; \
4092 /* newSV() allocates one more than needed */ \
4093 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4094 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 4095 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 4096
4097/* This macro must be used to access members of the my_cxt_t structure.
4098 * e.g. MYCXT.some_data */
4099#define MY_CXT (*my_cxtp)
4100
4101/* Judicious use of these macros can reduce the number of times dMY_CXT
4102 * is used. Use is similar to pTHX, aTHX etc. */
4103#define pMY_CXT my_cxt_t *my_cxtp
4104#define pMY_CXT_ pMY_CXT,
4105#define _pMY_CXT ,pMY_CXT
4106#define aMY_CXT my_cxtp
4107#define aMY_CXT_ aMY_CXT,
4108#define _aMY_CXT ,aMY_CXT
4109
4110#else /* USE_ITHREADS */
4111
4112#define START_MY_CXT static my_cxt_t my_cxt;
4113#define dMY_CXT_SV dNOOP
4114#define dMY_CXT dNOOP
4115#define MY_CXT_INIT NOOP
4116#define MY_CXT my_cxt
4117
4118#define pMY_CXT void
4119#define pMY_CXT_
4120#define _pMY_CXT
4121#define aMY_CXT
4122#define aMY_CXT_
4123#define _aMY_CXT
4124
4125#endif /* !defined(USE_ITHREADS) */
4126
9a34ef1d
GS		 4127#ifdef I_FCNTL
4128# include <fcntl.h>
9a34ef1d
GS		 4129#endif
4130
4131#ifdef I_SYS_FILE
4132# include <sys/file.h>
4133#endif
4134
fa0a29af 4135#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4136int flock(int fd, int op);
4137#endif
4138
fe52b3b7
GS		 4139#ifndef O_RDONLY
4140/* Assume UNIX defaults */
4141# define O_RDONLY 0000
4142# define O_WRONLY 0001
4143# define O_RDWR 0002
4144# define O_CREAT 0100
4145#endif
9a34ef1d 4146
16fe6d59
GS		 4147#ifndef O_BINARY
4148# define O_BINARY 0
4149#endif
4150
4151#ifndef O_TEXT
4152# define O_TEXT 0
4153#endif
4154
6ce75a77
JH		 4155#if O_TEXT != O_BINARY
4156 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4157 * that is, you are somehow DOSish. */
538204d5 4158# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 4159 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4160 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4161 /* VOS has O_TEXT != O_BINARY, and they have effect,
4162 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4163 /* If you have O_TEXT different from your O_BINARY but you still are
4164 * not a CRLF shop. */
35990314 4165# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4166# else
4167 /* If you really are DOSish. */
4168# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4169# endif
4170#endif
4171
104d25b7
JH		 4172#ifdef IAMSUID
4173
4174#ifdef I_SYS_STATVFS
9f982a77
IG		 4175# if defined(PERL_SCO) && !defined(_SVID3)
4176# define _SVID3
4177# endif
32b3cf08
JH		 4178# include <sys/statvfs.h> /* for f?statvfs() */
4179#endif
4180#ifdef I_SYS_MOUNT
4181# include <sys/mount.h> /* for *BSD f?statfs() */
4182#endif
4183#ifdef I_MNTENT
4184# include <mntent.h> /* for getmntent() */
104d25b7 4185#endif
0545a864
JH		 4186#ifdef I_SYS_STATFS
4187# include <sys/statfs.h> /* for some statfs() */
4188#endif
4189#ifdef I_SYS_VFS
8d9e1a19
GS		 4190# ifdef __sgi
4191# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4192# endif
4193# include <sys/vfs.h> /* for some statfs() */
4194# ifdef __sgi
4195# undef IRIX_sv
4196# endif
0545a864
JH		 4197#endif
4198#ifdef I_USTAT
4199# include <ustat.h> /* for ustat() */
4200#endif
4201
4202#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4203# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4204#endif
4205#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4206# define PERL_MOUNT_NOSUID MNT_NOSUID
4207#endif
4208#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4209# define PERL_MOUNT_NOSUID MS_NOSUID
4210#endif
4211#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4212# define PERL_MOUNT_NOSUID M_NOSUID
4213#endif
104d25b7
JH		 4214
4215#endif /* IAMSUID */
4216
4bc88a62
PS		 4217#ifdef I_LIBUTIL
4218# include <libutil.h> /* setproctitle() in some FreeBSDs */
4219#endif
4220
b4748376
NIS		 4221#ifndef EXEC_ARGV_CAST
4222#define EXEC_ARGV_CAST(x) x
4223#endif
4224
dd5dc04f
JH		 4225#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4226 int). value returned in pointed-
4227 to UV */
4228#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4229#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4230#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4231#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4232#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4233
4234#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4235
53305cf1
NC		 4236/* Input flags: */
4237#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4238#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 4239#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 4240/* Output flags: */
4241#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4242
2c4f7f0e
DM		 4243/* to let user control profiling */
4244#ifdef PERL_GPROF_CONTROL
4245extern void moncontrol(int);
4246#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4247#else
4248#define PERL_GPROF_MONCONTROL(x)
4249#endif
4250
ae0e3d3b
JH		 4251#ifdef UNDER_CE
4252#include "wince.h"
4253#endif
4254
4255/* ISO 6429 NEL - C1 control NExt Line */
4256/* See http://www.unicode.org/unicode/reports/tr13/ */
4257#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4258# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4259# define NEXT_LINE_CHAR 0x15
4260# else /* CDRA */
4261# define NEXT_LINE_CHAR 0x25
4262# endif
4263#else
4264# define NEXT_LINE_CHAR 0x85
4265#endif
4266
4267/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4268#define UNICODE_LINE_SEPA_0 0xE2
4269#define UNICODE_LINE_SEPA_1 0x80
4270#define UNICODE_LINE_SEPA_2 0xA8
4271#define UNICODE_PARA_SEPA_0 0xE2
4272#define UNICODE_PARA_SEPA_1 0x80
4273#define UNICODE_PARA_SEPA_2 0xA9
4274
479b2847
GS		 4275#ifndef PIPESOCK_MODE
4276# define PIPESOCK_MODE
4277#endif
4278
7e8c5dac
HS		 4279#define PERL_MAGIC_UTF8_CACHESIZE 2
4280
a05d7ebb
JH		 4281#define PERL_UNICODE_STDIN_FLAG 0x0001
4282#define PERL_UNICODE_STDOUT_FLAG 0x0002
4283#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 4284#define PERL_UNICODE_IN_FLAG 0x0008
4285#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 4286#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 4287#define PERL_UNICODE_LOCALE_FLAG 0x0040
4288#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
4289
06e66572
JH		 4290#define PERL_UNICODE_STD_FLAG \
4291 (PERL_UNICODE_STDIN_FLAG | \
4292 PERL_UNICODE_STDOUT_FLAG | \
4293 PERL_UNICODE_STDERR_FLAG)
4294
4295#define PERL_UNICODE_INOUT_FLAG \
4296 (PERL_UNICODE_IN_FLAG | \
4297 PERL_UNICODE_OUT_FLAG)
4298
4299#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 4300 (PERL_UNICODE_STD_FLAG | \
4301 PERL_UNICODE_INOUT_FLAG | \
4302 PERL_UNICODE_LOCALE_FLAG)
4303
4304#define PERL_UNICODE_ALL_FLAGS 0x00ff
4305
4306#define PERL_UNICODE_STDIN 'I'
4307#define PERL_UNICODE_STDOUT 'O'
4308#define PERL_UNICODE_STDERR 'E'
4309#define PERL_UNICODE_STD 'S'
4310#define PERL_UNICODE_IN 'i'
4311#define PERL_UNICODE_OUT 'o'
4312#define PERL_UNICODE_INOUT 'D'
4313#define PERL_UNICODE_ARGV 'A'
4314#define PERL_UNICODE_LOCALE 'L'
4315#define PERL_UNICODE_WIDESYSCALLS 'W'
4316
4ffa73a3
JH		 4317#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
4318
16bd9a85
JH		 4319/* From sigaction(2) (FreeBSD man page):
4320 * | Signal routines normally execute with the signal that
4321 * | caused their invocation blocked, but other signals may
4322 * | yet occur.
4323 * Emulation of this behavior (from within Perl) is enabled
4324 * by defining PERL_BLOCK_SIGNALS.
4325 */
4326#define PERL_BLOCK_SIGNALS
4327
4328#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
4329# define PERL_BLOCKSIG_ADD(set,sig) \
4330 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
4331# define PERL_BLOCKSIG_BLOCK(set) \
4332 sigprocmask(SIG_BLOCK, &(set), NULL)
4333# define PERL_BLOCKSIG_UNBLOCK(set) \
4334 sigprocmask(SIG_UNBLOCK, &(set), NULL)
4335#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
4336
4337/* How about the old style of sigblock()? */
4338
4339#ifndef PERL_BLOCKSIG_ADD
4340# define PERL_BLOCKSIG_ADD(set, sig) NOOP
4341#endif
4342#ifndef PERL_BLOCKSIG_BLOCK
4343# define PERL_BLOCKSIG_BLOCK(set) NOOP
4344#endif
2bfba5f0 4345#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 4346# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
4347#endif
4348
32fdb065 4349/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 4350 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 4351#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
4352
4d8076ea 4353/* and finally... */
cceca5ed 4354#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4355#include "patchlevel.h"
cceca5ed 4356#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4357
43999f95 4358/* Mention
d460ef45 4359
43999f95 4360 NV_PRESERVES_UV
fe749a9f 4361
fe749a9f
JH		 4362 HAS_MKSTEMP
4363 HAS_MKSTEMPS
4364 HAS_MKDTEMP
4365
49dabb45
JH		 4366 HAS_GETCWD
4367
d59b5429 4368 HAS_MMAP
fe749a9f
JH		 4369 HAS_MPROTECT
4370 HAS_MSYNC
1e8c3fde 4371 HAS_MADVISE
fe749a9f
JH		 4372 HAS_MUNMAP
4373 I_SYSMMAN
4374 Mmap_t
4375
6b4667fc
A		 4376 NVef
4377 NVff
4378 NVgf
4379
4e0554ec 4380 HAS_UALARM
2d736872 4381 HAS_USLEEP
4e0554ec
JH		 4382
4383 HAS_SETITIMER
4384 HAS_GETITIMER
4385
4386 HAS_SENDMSG
4387 HAS_RECVMSG
4388 HAS_READV
4389 HAS_WRITEV
4390 I_SYSUIO
4391 HAS_STRUCT_MSGHDR
4392 HAS_STRUCT_CMSGHDR
4393
2765b840 4394 HAS_NL_LANGINFO
0a7020c9 4395
ae0e3d3b 4396 HAS_DIRFD
2765b840 4397
43999f95
JH		 4398 so that Configure picks them up. */
4399
85e6fe83 4400#endif /* Include guard */
ae0e3d3b 4401
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