This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Use Perl_croak_nocontext() rather than Perl_croak() for the snprintf()
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
54ca4ee7 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 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
b0f06652
VK
37# ifndef USE_CROSS_COMPILE
38# include "config.h"
39# else
40# include "xconfig.h"
41# endif
12ae5dfc 42#endif
0cb96387 43
2c2d71f5
JH
44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH
47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
894ccb8c
JH
51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
ba979b31
NIS
58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS
62# define MULTIPLICITY
63# endif
64#endif
65
27da23d5
JH
66#ifdef PERL_GLOBAL_STRUCT_PRIVATE
67# ifndef PERL_GLOBAL_STRUCT
68# define PERL_GLOBAL_STRUCT
69# endif
70#endif
97aff369 71
27da23d5
JH
72#ifdef PERL_GLOBAL_STRUCT
73# ifndef MULTIPLICITY
74# define MULTIPLICITY
75# endif
76#endif
77
97aff369
JH
78#ifdef MULTIPLICITY
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
82#endif
83
026fd48b
GH
84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
27da23d5
JH
90#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
91# ifndef SYMBIAN
92# define SYMBIAN
93# endif
94#endif
95
a0fd4948 96#ifdef __SYMBIAN32__
27da23d5
JH
97# include "symbian/symbian_proto.h"
98#endif
99
100/* Any stack-challenged places. The limit varies (and often
101 * is configurable), but using more than a kilobyte of stack
102 * is usually dubious in these systems. */
a0fd4948 103#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH
104/* EPOC/Symbian: need to work around the SDK features. *
105 * On WINS: MS VC5 generates calls to _chkstk, *
106 * if a "large" stack frame is allocated. *
107 * gcc on MARM does not generate calls like these. */
108# define USE_HEAP_INSTEAD_OF_STACK
109#endif
110
111#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 112/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 113#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH
114# define USE_REENTRANT_API
115#endif
116
ac6bedea
JH
117/* <--- here ends the logic shared by perl.h and makedef.pl */
118
af28e889 119/*
6239f2da
JH
120 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
121 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH
122 * __bsdi__ for BSD/OS
123 */
6239f2da 124#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH
125# ifndef BSDish
126# define BSDish
127# endif
128#endif
129
27da23d5
JH
130#ifdef PERL_GLOBAL_STRUCT
131# ifndef PERL_GET_VARS
132# ifdef PERL_GLOBAL_STRUCT_PRIVATE
133 extern struct perl_vars* Perl_GetVarsPrivate();
134# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
135# ifndef PERLIO_FUNCS_CONST
136# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
137# endif
138# else
139# define PERL_GET_VARS() PL_VarsPtr
140# endif
141# endif
142#endif
143
7a89be66 144#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH
145
146#ifdef PERL_GLOBAL_STRUCT
147# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
148#else
149# define dVAR dNOOP
150#endif
151
c5be433b 152#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB
153# ifndef MULTIPLICITY
154# define MULTIPLICITY
c5be433b 155# endif
e8dda941 156# define tTHX PerlInterpreter*
5ba4cab2 157# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 158# define aTHX my_perl
27da23d5 159# ifdef PERL_GLOBAL_STRUCT
e8dda941 160# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 161# else
e8dda941 162# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH
163# endif
164# ifdef PERL_GLOBAL_STRUCT
165# define dTHX dVAR; pTHX = PERL_GET_THX
166# else
167# define dTHX pTHX = PERL_GET_THX
168# endif
c5be433b 169# define pTHX_ pTHX,
c5be433b 170# define aTHX_ aTHX,
4373e329 171# define pTHX_1 2
894356b3
GS
172# define pTHX_2 3
173# define pTHX_3 4
174# define pTHX_4 5
4373e329
AL
175# define pTHX_5 6
176# define pTHX_6 7
a3b680e6
AL
177# define pTHX_7 8
178# define pTHX_8 9
179# define pTHX_9 10
e8dda941
JD
180# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
181# define PERL_TRACK_MEMPOOL
182# endif
183#else
184# undef PERL_TRACK_MEMPOOL
c5be433b
GS
185#endif
186
76e3520e
GS
187#define STATIC static
188#define CPERLscope(x) x
565764a8 189#define CPERLarg void
76e3520e 190#define CPERLarg_
e3b8966e 191#define _CPERLarg
1d583055
GS
192#define PERL_OBJECT_THIS
193#define _PERL_OBJECT_THIS
194#define PERL_OBJECT_THIS_
312caa8e 195#define CALL_FPTR(fptr) (*fptr)
76e3520e 196
312caa8e 197#define CALLRUNOPS CALL_FPTR(PL_runops)
f9f4320a
YO
198
199#define CALLREGCOMP(exp, xend, pm) Perl_pregcomp(aTHX_ exp,xend,pm)
200
f2f78491
YO
201#define CALLREGCOMP_ENG(prog, exp, xend, pm) \
202 CALL_FPTR(((prog)->comp))(aTHX_ exp, xend, pm)
f9f4320a 203#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
f2f78491 204 CALL_FPTR((prog)->engine->exec)(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO
205 (strbeg),(minend),(screamer),(data),(flags))
206#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
f2f78491 207 CALL_FPTR((prog)->engine->intuit)(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO
208 (strend),(flags),(data))
209#define CALLREG_INTUIT_STRING(prog) \
f2f78491 210 CALL_FPTR((prog)->engine->checkstr)(aTHX_ (prog))
f9f4320a 211#define CALLREGFREE(prog) \
f2f78491 212 if(prog) CALL_FPTR((prog)->engine->free)(aTHX_ (prog))
f9f4320a
YO
213#if defined(USE_ITHREADS)
214#define CALLREGDUPE(prog,param) \
f2f78491 215 (prog ? CALL_FPTR((prog)->engine->dupe)(aTHX_ (prog),(param)) \
f9f4320a
YO
216 : (REGEXP *)NULL)
217#endif
14dd3ad8 218
5ba4cab2
SH
219/*
220 * Because of backward compatibility reasons the PERL_UNUSED_DECL
221 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
222 *
223 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 224 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH
225 * marking unused variables (they need e.g. a #pragma) and therefore
226 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
227 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
228 *
229 */
1266ad8c 230
9969cdde 231#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 232# ifdef __cplusplus
5ba4cab2 233# define PERL_UNUSED_DECL
5b2bd0a5 234# else
5ba4cab2 235# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS
236# endif
237#endif
44dbb695 238
5b2bd0a5 239#ifndef PERL_UNUSED_DECL
34659ad4 240# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 241# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 242# else
5ba4cab2 243# define PERL_UNUSED_DECL
b79c357a 244# endif
5b2bd0a5
AMS
245#endif
246
349b520e
DM
247/* gcc -Wall:
248 * for silencing unused variables that are actually used most of the time,
a0288114 249 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 250 */
53c1dcc0 251#ifndef PERL_UNUSED_ARG
c99ffe5e 252# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 253# include <note.h>
53c1dcc0 254# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 255# else
53c1dcc0 256# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL
257# endif
258#endif
53c1dcc0
AL
259#ifndef PERL_UNUSED_VAR
260# define PERL_UNUSED_VAR(x) ((void)x)
261#endif
ad73156c 262
96a5add6
AL
263#ifdef USE_ITHREADS
264# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
265#else
266# define PERL_UNUSED_CONTEXT
267#endif
268
6f207bd3 269#define NOOP /*EMPTY*/(void)0
6b484a99
JH
270#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
271#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
272#else
6f207bd3 273#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 274#endif
71be2cbc 275
0cb96387 276#ifndef pTHX
e8dda941
JD
277/* Don't bother defining tTHX and sTHX; using them outside
278 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
279 */
0cb96387
GS
280# define pTHX void
281# define pTHX_
0cb96387
GS
282# define aTHX
283# define aTHX_
0cb96387
GS
284# define dTHXa(a) dNOOP
285# define dTHX dNOOP
894356b3
GS
286# define pTHX_1 1
287# define pTHX_2 2
288# define pTHX_3 3
289# define pTHX_4 4
3d42dc86
RGS
290# define pTHX_5 5
291# define pTHX_6 6
a3b680e6
AL
292# define pTHX_7 7
293# define pTHX_8 8
294# define pTHX_9 9
0cb96387
GS
295#endif
296
27da23d5
JH
297#ifndef dVAR
298# define dVAR dNOOP
299#endif
300
b4f7f263
GS
301/* these are only defined for compatibility; should not be used internally */
302#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS
303# define pTHXo pTHX
304# define pTHXo_ pTHX_
0cb96387
GS
305# define aTHXo aTHX
306# define aTHXo_ aTHX_
c5be433b 307# define dTHXo dTHX
71d280e3 308# define dTHXoa(x) dTHXa(x)
0cb96387
GS
309#endif
310
311#ifndef pTHXx
312# define pTHXx register PerlInterpreter *my_perl
313# define pTHXx_ pTHXx,
0cb96387
GS
314# define aTHXx my_perl
315# define aTHXx_ aTHXx,
c5be433b 316# define dTHXx dTHX
22c35a8c 317#endif
71be2cbc 318
1de7c2ac
GS
319/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
320 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
321 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
322#ifdef PERL_IMPLICIT_SYS
27da23d5
JH
323# ifdef PERL_GLOBAL_STRUCT_PRIVATE
324# define dTHXs dVAR; dTHX
325# else
326# define dTHXs dTHX
327# endif
1de7c2ac 328#else
27da23d5
JH
329# ifdef PERL_GLOBAL_STRUCT_PRIVATE
330# define dTHXs dVAR
331# else
332# define dTHXs dNOOP
333# endif
1de7c2ac
GS
334#endif
335
326b05e3
GS
336#undef START_EXTERN_C
337#undef END_EXTERN_C
338#undef EXTERN_C
32f822de
GS
339#ifdef __cplusplus
340# define START_EXTERN_C extern "C" {
341# define END_EXTERN_C }
342# define EXTERN_C extern "C"
343#else
d460ef45
NIS
344# define START_EXTERN_C
345# define END_EXTERN_C
73c4f7a1 346# define EXTERN_C extern
32f822de
GS
347#endif
348
27da23d5
JH
349/* Some platforms require marking function declarations
350 * for them to be exportable. Used in perlio.h, proto.h
351 * is handled either by the makedef.pl or by defining the
352 * PERL_CALLCONV to be something special. See also the
353 * definition of XS() in XSUB.h. */
354#ifndef PERL_EXPORT_C
a0c21aa1
JH
355# ifdef __cplusplus
356# define PERL_EXPORT_C extern "C"
357# else
358# define PERL_EXPORT_C extern
359# endif
27da23d5
JH
360#endif
361#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH
362# ifdef __cplusplus
363# define PERL_XS_EXPORT_C extern "C"
364# else
365# define PERL_XS_EXPORT_C
366# endif
27da23d5
JH
367#endif
368
462e5cf6
MB
369#ifdef OP_IN_REGISTER
370# ifdef __GNUC__
371# define stringify_immed(s) #s
372# define stringify(s) stringify_immed(s)
d1ca3daa 373register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB
374# endif
375#endif
376
b1e55cab
JH
377/* gcc (-ansi) -pedantic doesn't allow gcc brace groups,
378 * g++ allows them but seems to have problems with them
379 * (insane errors ensue). */
380#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus))
5b692037 381# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS
382# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
383# endif
5dc8bdac
JH
384#endif
385
5b692037
JH
386#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
387# ifndef PERL_USE_GCC_BRACE_GROUPS
388# define PERL_USE_GCC_BRACE_GROUPS
389# endif
390#endif
391
728e2803
PP
392/*
393 * STMT_START { statements; } STMT_END;
394 * can be used as a single statement, as in
395 * if (x) STMT_START { ... } STMT_END; else ...
396 *
397 * Trying to select a version that gives no warnings...
398 */
399#if !(defined(STMT_START) && defined(STMT_END))
5b692037 400# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 401# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
402# define STMT_END )
403# else
404 /* Now which other defined()s do we need here ??? */
93189314 405# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803
PP
406# define STMT_START if (1)
407# define STMT_END else (void)0
408# else
409# define STMT_START do
410# define STMT_END while (0)
411# endif
412# endif
413#endif
414
0cb96387 415#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 416#define WITH_THR(s) WITH_THX(s)
ea0efc06 417
d6f9c181
JH
418#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
419# define BYTEORDER 0x1234
79072805
LW
420#endif
421
422/* Overall memory policy? */
423#ifndef CONSERVATIVE
424# define LIBERAL 1
425#endif
426
8ada0baa
JH
427#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
428#define ASCIIish
429#else
430#undef ASCIIish
431#endif
432
79072805
LW
433/*
434 * The following contortions are brought to you on behalf of all the
435 * standards, semi-standards, de facto standards, not-so-de-facto standards
436 * of the world, as well as all the other botches anyone ever thought of.
437 * The basic theory is that if we work hard enough here, the rest of the
438 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
439 */
ac58e20f 440
ee0007ab 441/* define this once if either system, instead of cluttering up the src */
2986a63f 442#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
443#define DOSISH 1
444#endif
445
fb38d079 446#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW
447# define STANDARD_C 1
448#endif
449
9969cdde 450#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
451# define DONT_DECLARE_STD 1
452#endif
453
352d5a3a 454#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 455# ifdef __cplusplus
cb69f87a 456# define VOL /* to temporarily suppress warnings */
79072805
LW
457# else
458# define VOL volatile
459# endif
663a0e37 460#else
79072805 461# define VOL
663a0e37
LW
462#endif
463
3280af22
NIS
464#define TAINT (PL_tainted = TRUE)
465#define TAINT_NOT (PL_tainted = FALSE)
466#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
467#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 468#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 469
d460ef45 470/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
471 defines move there? If so, I could simplify this a lot. --AD 9/96.
472*/
473/* Process group stuff changed from traditional BSD to POSIX.
474 perlfunc.pod documents the traditional BSD-style syntax, so we'll
475 try to preserve that, if possible.
476*/
477#ifdef HAS_SETPGID
478# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 479#else
a6e633de
PP
480# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
481# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
482# else
483# ifdef HAS_SETPGRP2 /* DG/UX */
484# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
485# endif
486# endif
487#endif
488#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
489# define HAS_SETPGRP /* Well, effectively it does . . . */
490#endif
491
492/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
493 our life easier :-) so we'll try it.
494*/
495#ifdef HAS_GETPGID
496# define BSD_GETPGRP(pid) getpgid((pid))
497#else
498# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
499# define BSD_GETPGRP(pid) getpgrp((pid))
500# else
501# ifdef HAS_GETPGRP2 /* DG/UX */
502# define BSD_GETPGRP(pid) getpgrp2((pid))
503# endif
504# endif
505#endif
506#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
507# define HAS_GETPGRP /* Well, effectively it does . . . */
508#endif
509
d460ef45 510/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
511 have different behaviors, but perl.h used to define USE_BSDPGRP
512 (prior to 5.003_05) so some extension might depend on it.
513*/
514#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
515# ifndef USE_BSDPGRP
516# define USE_BSDPGRP
517# endif
663a0e37
LW
518#endif
519
8ac5a1fe
MH
520/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
521 pthread.h must be included before all other header files.
522*/
3db8f154 523#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
524# include <pthread.h>
525#endif
526
760ac839
LW
527#ifndef _TYPES_ /* If types.h defines this it's easy. */
528# ifndef major /* Does everyone's types.h define this? */
529# include <sys/types.h>
c07a80fd 530# endif
663a0e37
LW
531#endif
532
760ac839
LW
533#ifdef __cplusplus
534# ifndef I_STDARG
535# define I_STDARG 1
536# endif
537#endif
538
539#ifdef I_STDARG
540# include <stdarg.h>
541#else
542# ifdef I_VARARGS
543# include <varargs.h>
544# endif
545#endif
546
4633a7c4 547#ifdef USE_NEXT_CTYPE
0c30d9ec 548
092bebab
JH
549#if NX_CURRENT_COMPILER_RELEASE >= 500
550# include <bsd/ctypes.h>
551#else
552# if NX_CURRENT_COMPILER_RELEASE >= 400
553# include <objc/NXCType.h>
554# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
555# include <appkit/NXCType.h>
556# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
557#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
558
559#else /* !USE_NEXT_CTYPE */
fe14fcc3 560#include <ctype.h>
0c30d9ec 561#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
562
563#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
564#undef METHOD
a0d0e21e
LW
565#endif
566
12ae5dfc
JH
567#ifdef PERL_MICRO
568# define NO_LOCALE
569#endif
570
4633a7c4 571#ifdef I_LOCALE
36477c24 572# include <locale.h>
4633a7c4
LW
573#endif
574
36477c24
PP
575#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
576# define USE_LOCALE
577# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
578 && defined(HAS_STRXFRM)
579# define USE_LOCALE_COLLATE
580# endif
581# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
582# define USE_LOCALE_CTYPE
583# endif
584# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
585# define USE_LOCALE_NUMERIC
586# endif
587#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 588
fe14fcc3 589#include <setjmp.h>
79072805 590
a0d0e21e 591#ifdef I_SYS_PARAM
79072805
LW
592# ifdef PARAM_NEEDS_TYPES
593# include <sys/types.h>
594# endif
595# include <sys/param.h>
352d5a3a 596#endif
79072805 597
79072805 598/* Use all the "standard" definitions? */
a0d0e21e 599#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 600# include <stdlib.h>
ff68c719 601#endif
03a14243 602
3f270f98
JH
603/* If this causes problems, set i_unistd=undef in the hint file. */
604#ifdef I_UNISTD
605# include <unistd.h>
606#endif
607
9969cdde 608#ifdef __SYMBIAN32__
27da23d5
JH
609# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
610#endif
611
7114a2d2 612#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 613EXTERN_C int syscall(int, ...);
2ef53570
JH
614#endif
615
7114a2d2 616#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 617EXTERN_C int usleep(unsigned int);
2ef53570
JH
618#endif
619
9a34ef1d
GS
620#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
621# define MYSWAP
622#endif
623
1109a392
MHM
624#ifdef PERL_CORE
625
626/* macros for correct constant construction */
627# if INTSIZE >= 2
628# define U16_CONST(x) ((U16)x##U)
629# else
630# define U16_CONST(x) ((U16)x##UL)
631# endif
632
633# if INTSIZE >= 4
634# define U32_CONST(x) ((U32)x##U)
635# else
636# define U32_CONST(x) ((U32)x##UL)
637# endif
638
639# ifdef HAS_QUAD
640# if INTSIZE >= 8
641# define U64_CONST(x) ((U64)x##U)
642# elif LONGSIZE >= 8
643# define U64_CONST(x) ((U64)x##UL)
644# elif QUADKIND == QUAD_IS_LONG_LONG
645# define U64_CONST(x) ((U64)x##ULL)
646# else /* best guess we can make */
647# define U64_CONST(x) ((U64)x##UL)
648# endif
649# endif
650
651/* byte-swapping functions for big-/little-endian conversion */
652# define _swab_16_(x) ((U16)( \
653 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
654 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
655
656# define _swab_32_(x) ((U32)( \
657 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
658 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
659 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
660 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
661
662# ifdef HAS_QUAD
663# define _swab_64_(x) ((U64)( \
664 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
665 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
666 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
667 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
668 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
669 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
670 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
671 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
672# endif
673
674/*----------------------------------------------------------------------------*/
675# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
676/*----------------------------------------------------------------------------*/
677# define my_htole16(x) (x)
678# define my_letoh16(x) (x)
679# define my_htole32(x) (x)
680# define my_letoh32(x) (x)
681# define my_htobe16(x) _swab_16_(x)
682# define my_betoh16(x) _swab_16_(x)
683# define my_htobe32(x) _swab_32_(x)
684# define my_betoh32(x) _swab_32_(x)
685# ifdef HAS_QUAD
686# define my_htole64(x) (x)
687# define my_letoh64(x) (x)
688# define my_htobe64(x) _swab_64_(x)
689# define my_betoh64(x) _swab_64_(x)
690# endif
691# define my_htoles(x) (x)
692# define my_letohs(x) (x)
693# define my_htolei(x) (x)
694# define my_letohi(x) (x)
695# define my_htolel(x) (x)
696# define my_letohl(x) (x)
697# if SHORTSIZE == 1
698# define my_htobes(x) (x)
699# define my_betohs(x) (x)
700# elif SHORTSIZE == 2
701# define my_htobes(x) _swab_16_(x)
702# define my_betohs(x) _swab_16_(x)
703# elif SHORTSIZE == 4
704# define my_htobes(x) _swab_32_(x)
705# define my_betohs(x) _swab_32_(x)
706# elif SHORTSIZE == 8
707# define my_htobes(x) _swab_64_(x)
708# define my_betohs(x) _swab_64_(x)
709# else
710# define PERL_NEED_MY_HTOBES
711# define PERL_NEED_MY_BETOHS
712# endif
713# if INTSIZE == 1
714# define my_htobei(x) (x)
715# define my_betohi(x) (x)
716# elif INTSIZE == 2
717# define my_htobei(x) _swab_16_(x)
718# define my_betohi(x) _swab_16_(x)
719# elif INTSIZE == 4
720# define my_htobei(x) _swab_32_(x)
721# define my_betohi(x) _swab_32_(x)
722# elif INTSIZE == 8
723# define my_htobei(x) _swab_64_(x)
724# define my_betohi(x) _swab_64_(x)
725# else
726# define PERL_NEED_MY_HTOBEI
727# define PERL_NEED_MY_BETOHI
728# endif
729# if LONGSIZE == 1
730# define my_htobel(x) (x)
731# define my_betohl(x) (x)
732# elif LONGSIZE == 2
733# define my_htobel(x) _swab_16_(x)
734# define my_betohl(x) _swab_16_(x)
735# elif LONGSIZE == 4
736# define my_htobel(x) _swab_32_(x)
737# define my_betohl(x) _swab_32_(x)
738# elif LONGSIZE == 8
739# define my_htobel(x) _swab_64_(x)
740# define my_betohl(x) _swab_64_(x)
741# else
742# define PERL_NEED_MY_HTOBEL
743# define PERL_NEED_MY_BETOHL
744# endif
745# define my_htolen(p,n) NOOP
746# define my_letohn(p,n) NOOP
747# define my_htoben(p,n) my_swabn(p,n)
748# define my_betohn(p,n) my_swabn(p,n)
749/*----------------------------------------------------------------------------*/
750# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
751/*----------------------------------------------------------------------------*/
752# define my_htobe16(x) (x)
753# define my_betoh16(x) (x)
754# define my_htobe32(x) (x)
755# define my_betoh32(x) (x)
756# define my_htole16(x) _swab_16_(x)
757# define my_letoh16(x) _swab_16_(x)
758# define my_htole32(x) _swab_32_(x)
759# define my_letoh32(x) _swab_32_(x)
760# ifdef HAS_QUAD
761# define my_htobe64(x) (x)
762# define my_betoh64(x) (x)
763# define my_htole64(x) _swab_64_(x)
764# define my_letoh64(x) _swab_64_(x)
765# endif
766# define my_htobes(x) (x)
767# define my_betohs(x) (x)
768# define my_htobei(x) (x)
769# define my_betohi(x) (x)
770# define my_htobel(x) (x)
771# define my_betohl(x) (x)
772# if SHORTSIZE == 1
773# define my_htoles(x) (x)
774# define my_letohs(x) (x)
775# elif SHORTSIZE == 2
776# define my_htoles(x) _swab_16_(x)
777# define my_letohs(x) _swab_16_(x)
778# elif SHORTSIZE == 4
779# define my_htoles(x) _swab_32_(x)
780# define my_letohs(x) _swab_32_(x)
781# elif SHORTSIZE == 8
782# define my_htoles(x) _swab_64_(x)
783# define my_letohs(x) _swab_64_(x)
784# else
785# define PERL_NEED_MY_HTOLES
786# define PERL_NEED_MY_LETOHS
787# endif
788# if INTSIZE == 1
789# define my_htolei(x) (x)
790# define my_letohi(x) (x)
791# elif INTSIZE == 2
792# define my_htolei(x) _swab_16_(x)
793# define my_letohi(x) _swab_16_(x)
794# elif INTSIZE == 4
795# define my_htolei(x) _swab_32_(x)
796# define my_letohi(x) _swab_32_(x)
797# elif INTSIZE == 8
798# define my_htolei(x) _swab_64_(x)
799# define my_letohi(x) _swab_64_(x)
800# else
801# define PERL_NEED_MY_HTOLEI
802# define PERL_NEED_MY_LETOHI
803# endif
804# if LONGSIZE == 1
805# define my_htolel(x) (x)
806# define my_letohl(x) (x)
807# elif LONGSIZE == 2
808# define my_htolel(x) _swab_16_(x)
809# define my_letohl(x) _swab_16_(x)
810# elif LONGSIZE == 4
811# define my_htolel(x) _swab_32_(x)
812# define my_letohl(x) _swab_32_(x)
813# elif LONGSIZE == 8
814# define my_htolel(x) _swab_64_(x)
815# define my_letohl(x) _swab_64_(x)
816# else
817# define PERL_NEED_MY_HTOLEL
818# define PERL_NEED_MY_LETOHL
819# endif
820# define my_htolen(p,n) my_swabn(p,n)
821# define my_letohn(p,n) my_swabn(p,n)
822# define my_htoben(p,n) NOOP
823# define my_betohn(p,n) NOOP
824/*----------------------------------------------------------------------------*/
825# else /* all other byte-orders */
826/*----------------------------------------------------------------------------*/
827# define PERL_NEED_MY_HTOLE16
828# define PERL_NEED_MY_LETOH16
829# define PERL_NEED_MY_HTOBE16
830# define PERL_NEED_MY_BETOH16
831# define PERL_NEED_MY_HTOLE32
832# define PERL_NEED_MY_LETOH32
833# define PERL_NEED_MY_HTOBE32
834# define PERL_NEED_MY_BETOH32
835# ifdef HAS_QUAD
836# define PERL_NEED_MY_HTOLE64
837# define PERL_NEED_MY_LETOH64
838# define PERL_NEED_MY_HTOBE64
839# define PERL_NEED_MY_BETOH64
840# endif
841# define PERL_NEED_MY_HTOLES
842# define PERL_NEED_MY_LETOHS
843# define PERL_NEED_MY_HTOBES
844# define PERL_NEED_MY_BETOHS
845# define PERL_NEED_MY_HTOLEI
846# define PERL_NEED_MY_LETOHI
847# define PERL_NEED_MY_HTOBEI
848# define PERL_NEED_MY_BETOHI
849# define PERL_NEED_MY_HTOLEL
850# define PERL_NEED_MY_LETOHL
851# define PERL_NEED_MY_HTOBEL
852# define PERL_NEED_MY_BETOHL
853/*----------------------------------------------------------------------------*/
854# endif /* end of byte-order macros */
855/*----------------------------------------------------------------------------*/
856
9c17f24a
NC
857/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
858 at least on FreeBSD. YMMV, so experiment. */
859#ifndef PERL_ARENA_SIZE
860#define PERL_ARENA_SIZE 4080
861#endif
862
1109a392
MHM
863#endif /* PERL_CORE */
864
bdf3085f
NC
865/* We no longer default to creating a new SV for GvSV.
866 Do this before embed. */
867#ifndef PERL_CREATE_GVSV
7459f06b
NC
868# ifndef PERL_DONT_CREATE_GVSV
869# define PERL_DONT_CREATE_GVSV
870# endif
bdf3085f
NC
871#endif
872
ca0c25f6
NC
873#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
874#define PERL_USES_PL_PIDSTATUS
875#endif
876
a62746fa
RGS
877#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
878#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
879#endif
880
66a93824
NIS
881/* Cannot include embed.h here on Win32 as win32.h has not
882 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
883 */
96e176bf 884#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 885# include "embed.h"
eb8433b7
NC
886# ifndef PERL_MAD
887# undef op_getmad
b3f24c00 888# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 889# endif
cea2e8a9
GS
890#endif
891
c31fac66
GS
892#define MEM_SIZE Size_t
893
1936d2a7
NC
894/* Round all values passed to malloc up, by default to a multiple of
895 sizeof(size_t)
896*/
897#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
898#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
899#endif
900
51371543
GS
901#if defined(STANDARD_C) && defined(I_STDDEF)
902# include <stddef.h>
903# define STRUCT_OFFSET(s,m) offsetof(s,m)
904#else
905# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
906#endif
907
9969cdde 908#ifndef __SYMBIAN32__
27da23d5
JH
909# if defined(I_STRING) || defined(__cplusplus)
910# include <string.h>
911# else
912# include <strings.h>
913# endif
51371543
GS
914#endif
915
55497cff
PP
916/* This comes after <stdlib.h> so we don't try to change the standard
917 * library prototypes; we'll use our own in proto.h instead. */
03a14243 918
4633a7c4 919#ifdef MYMALLOC
86058a2d 920# ifdef PERL_POLLUTE_MALLOC
ee13e175 921# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
922# define Perl_malloc malloc
923# define Perl_calloc calloc
924# define Perl_realloc realloc
925# define Perl_mfree free
ee13e175 926# endif
86058a2d
GS
927# else
928# define EMBEDMYMALLOC /* for compatibility */
929# endif
827e134a 930
651b9576
GS
931# define safemalloc Perl_malloc
932# define safecalloc Perl_calloc
933# define saferealloc Perl_realloc
934# define safefree Perl_mfree
22f7c9c9
JH
935# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
936 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
937 code; \
938 } STMT_END
939# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
940 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
941# define panic_write2(s) write(2, s, strlen(s))
942# define CHECK_MALLOC_TAINT(newval) \
943 CHECK_MALLOC_TOO_LATE_FOR_( \
944 if (newval) { \
945 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
946 exit(1); })
22f7c9c9 947# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 948 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
949 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
950 }} STMT_END;
f2517201
GS
951#else /* MYMALLOC */
952# define safemalloc safesysmalloc
953# define safecalloc safesyscalloc
954# define saferealloc safesysrealloc
955# define safefree safesysfree
22f7c9c9
JH
956# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
957# define CHECK_MALLOC_TAINT(newval) ((void)0)
958# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 959#endif /* MYMALLOC */
4633a7c4 960
27da23d5 961#define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
22f7c9c9
JH
962#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
963#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
964#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
965
a0d0e21e
LW
966#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
967#define strchr index
968#define strrchr rindex
969#endif
970
16d20bd9
AD
971#ifdef I_MEMORY
972# include <memory.h>
973#endif
974
fe14fcc3 975#ifdef HAS_MEMCPY
85e6fe83 976# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 977# ifndef memcpy
20ce7b12 978 extern char * memcpy (char*, char*, int);
ee0007ab
LW
979# endif
980# endif
981#else
982# ifndef memcpy
983# ifdef HAS_BCOPY
984# define memcpy(d,s,l) bcopy(s,d,l)
985# else
986# define memcpy(d,s,l) my_bcopy(s,d,l)
987# endif
988# endif
989#endif /* HAS_MEMCPY */
fe14fcc3 990
ee0007ab 991#ifdef HAS_MEMSET
85e6fe83 992# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 993# ifndef memset
20ce7b12 994 extern char *memset (char*, int, int);
ee0007ab
LW
995# endif
996# endif
ee0007ab 997#else
12ae5dfc 998# undef memset
fc36a67e 999# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
1000#endif /* HAS_MEMSET */
1001
85e6fe83 1002#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1003# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
1004# define memmove(d,s,l) bcopy(s,d,l)
1005# else
2304df62 1006# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1007# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1008# else
79072805 1009# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1010# endif
352d5a3a 1011# endif
d9d8d8de 1012#endif
ee0007ab 1013
36477c24
PP
1014#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1015# undef HAS_MEMCMP
1016#endif
1017
1018#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1019# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1020# ifndef memcmp
20ce7b12 1021 extern int memcmp (char*, char*, int);
ee0007ab
LW
1022# endif
1023# endif
36477c24 1024# ifdef BUGGY_MSC
7e4e8c89 1025# pragma function(memcmp)
36477c24 1026# endif
ee0007ab
LW
1027#else
1028# ifndef memcmp
ecfc5424 1029# define memcmp my_memcmp
352d5a3a 1030# endif
36477c24 1031#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1032
fc36a67e 1033#ifndef memzero
c635e13b
PP
1034# ifdef HAS_MEMSET
1035# define memzero(d,l) memset(d,0,l)
79072805 1036# else
c635e13b
PP
1037# ifdef HAS_BZERO
1038# define memzero(d,l) bzero(d,l)
79072805 1039# else
fc36a67e 1040# define memzero(d,l) my_bzero(d,l)
79072805
LW
1041# endif
1042# endif
d9d8d8de 1043#endif
378cc40b 1044
2f42fcb0 1045#ifndef PERL_MICRO
0f27ced1
JH
1046#ifndef memchr
1047# ifndef HAS_MEMCHR
1048# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1049# endif
1050#endif
2f42fcb0 1051#endif
0f27ced1 1052
36477c24
PP
1053#ifndef HAS_BCMP
1054# ifndef bcmp
1055# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1056# endif
36477c24 1057#endif /* !HAS_BCMP */
378cc40b 1058
ae986130 1059#ifdef I_NETINET_IN
79072805 1060# include <netinet/in.h>
ae986130
LW
1061#endif
1062
28e8609d
JH
1063#ifdef I_ARPA_INET
1064# include <arpa/inet.h>
1065#endif
1066
84902520
TB
1067#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1068/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1069 * (the neo-BSD seem to do this). */
1070# undef SF_APPEND
1071#endif
1072
1aef975c 1073#ifdef I_SYS_STAT
84902520 1074# include <sys/stat.h>
1aef975c 1075#endif
79072805 1076
a0d0e21e
LW
1077/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1078 like UTekV) are broken, sometimes giving false positives. Undefine
1079 them here and let the code below set them to proper values.
1080
1081 The ghs macro stands for GreenHills Software C-1.8.5 which
1082 is the C compiler for sysV88 and the various derivatives.
1083 This header file bug is corrected in gcc-2.5.8 and later versions.
1084 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1085
1086#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1087# undef S_ISDIR
1088# undef S_ISCHR
1089# undef S_ISBLK
1090# undef S_ISREG
1091# undef S_ISFIFO
1092# undef S_ISLNK
ee0007ab 1093#endif
135863df 1094
663a0e37
LW
1095#ifdef I_TIME
1096# include <time.h>
ffed7fef 1097#endif
663a0e37 1098
fe14fcc3 1099#ifdef I_SYS_TIME
85e6fe83 1100# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1101# define KERNEL
1102# endif
1103# include <sys/time.h>
85e6fe83 1104# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1105# undef KERNEL
1106# endif
a687059c 1107#endif
135863df 1108
55497cff 1109#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1110# include <sys/times.h>
d9d8d8de 1111#endif
8d063cd8 1112
fe14fcc3 1113#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1114# undef HAS_STRERROR
663a0e37
LW
1115#endif
1116
1117#include <errno.h>
1e743fda 1118
acfe0abc 1119#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1120# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1121#endif
1122
8cfab5ff
JH
1123/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1124 * This is important for using IPv6.
1125 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1126 * a bad idea since it breaks send() and recv(). */
1127#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1128# define _SOCKADDR_LEN
1129#endif
1130
8d3f517a 1131#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1132# include <sys/socket.h>
1133# if defined(USE_SOCKS) && defined(I_SOCKS)
1134# if !defined(INCLUDE_PROTOTYPES)
1135# define INCLUDE_PROTOTYPES /* for <socks.h> */
1136# define PERL_SOCKS_NEED_PROTOTYPES
1137# endif
1138# include <socks.h>
1139# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1140# undef INCLUDE_PROTOTYPES
1141# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1142# endif
d460ef45 1143# endif
1e743fda 1144# ifdef I_NETDB
2986a63f
JH
1145# ifdef NETWARE
1146# include<stdio.h>
1147# endif
1e743fda
JH
1148# include <netdb.h>
1149# endif
1150# ifndef ENOTSOCK
1151# ifdef I_NET_ERRNO
1152# include <net/errno.h>
1153# endif
1154# endif
1155#endif
1156
fa0a29af 1157/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1158 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1159 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1160#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1161# if defined(__THROW) && defined(__GLIBC__)
1162int sockatmark(int) __THROW;
1163# else
2ef53570 1164int sockatmark(int);
29820b6d 1165# endif
2ef53570
JH
1166#endif
1167
7e827271 1168#if defined(__osf__) && defined(__cplusplus) && !defined(_XOPEN_SOURCE_EXTENDED) /* Tru64 "cxx" (C++), see hints/dec_osf.sh for why the _XOPEN_SOURCE_EXTENDED cannot be defined. */
45d3b546
JH
1169EXTERN_C int fchdir(int);
1170EXTERN_C int flock(int, int);
1171EXTERN_C int fseeko(FILE *, off_t, int);
1172EXTERN_C off_t ftello(FILE *);
1173#endif
1174
7e827271 1175#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1176EXTERN_C char *crypt(const char *, const char *);
7e827271 1177EXTERN_C char **environ;
1ccb7c8d
JH
1178#endif
1179
1e743fda
JH
1180#ifdef SETERRNO
1181# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1182#endif
f86702cc
PP
1183
1184#ifdef VMS
1185# define SETERRNO(errcode,vmserrcode) \
1186 STMT_START { \
1187 set_errno(errcode); \
1188 set_vaxc_errno(vmserrcode); \
1189 } STMT_END
93189314
JH
1190# define LIB_INVARG LIB$_INVARG
1191# define RMS_DIR RMS$_DIR
1192# define RMS_FAC RMS$_FAC
1193# define RMS_FEX RMS$_FEX
1194# define RMS_FNF RMS$_FNF
1195# define RMS_IFI RMS$_IFI
1196# define RMS_ISI RMS$_ISI
1197# define RMS_PRV RMS$_PRV
1198# define SS_ACCVIO SS$_ACCVIO
1199# define SS_DEVOFFLINE SS$_DEVOFFLINE
1200# define SS_IVCHAN SS$_IVCHAN
1201# define SS_NORMAL SS$_NORMAL
748a9306 1202#else
aba27d88 1203# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
1204# define LIB_INVARG 0
1205# define RMS_DIR 0
1206# define RMS_FAC 0
1207# define RMS_FEX 0
1208# define RMS_FNF 0
1209# define RMS_IFI 0
1210# define RMS_ISI 0
1211# define RMS_PRV 0
1212# define SS_ACCVIO 0
1213# define SS_DEVOFFLINE 0
1214# define SS_IVCHAN 0
1215# define SS_NORMAL 0
748a9306 1216#endif
ed6116ce 1217
3db8f154 1218#define ERRSV GvSV(PL_errgv)
e203899d
NC
1219/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1220#define DEFSV GvSVn(PL_defgv)
3db8f154 1221#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1222
98eae8f5
GS
1223#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1224
55497cff 1225#ifndef errno
5ff3f7a4
GS
1226 extern int errno; /* ANSI allows errno to be an lvalue expr.
1227 * For example in multithreaded environments
1228 * something like this might happen:
1229 * extern int *_errno(void);
1230 * #define errno (*_errno()) */
d9d8d8de 1231#endif
663a0e37 1232
2304df62 1233#ifdef HAS_STRERROR
a0d0e21e 1234# ifdef VMS
20ce7b12 1235 char *strerror (int,...);
a0d0e21e 1236# else
68dc0745 1237#ifndef DONT_DECLARE_STD
20ce7b12 1238 char *strerror (int);
68dc0745 1239#endif
a0d0e21e 1240# endif
2304df62
AD
1241# ifndef Strerror
1242# define Strerror strerror
1243# endif
1244#else
1245# ifdef HAS_SYS_ERRLIST
79072805
LW
1246 extern int sys_nerr;
1247 extern char *sys_errlist[];
2304df62
AD
1248# ifndef Strerror
1249# define Strerror(e) \
79072805 1250 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1251# endif
79072805 1252# endif
35c8bce7 1253#endif
663a0e37 1254
2304df62 1255#ifdef I_SYS_IOCTL
79072805
LW
1256# ifndef _IOCTL_
1257# include <sys/ioctl.h>
1258# endif
a687059c
LW
1259#endif
1260
ee0007ab 1261#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1262# ifdef HAS_SOCKETPAIR
1263# undef HAS_SOCKETPAIR
1264# endif
2304df62
AD
1265# ifdef I_NDBM
1266# undef I_NDBM
79072805 1267# endif
a687059c
LW
1268#endif
1269
02fc2eee
NC
1270#ifndef HAS_SOCKETPAIR
1271# ifdef HAS_SOCKET
1272# define socketpair Perl_my_socketpair
1273# endif
1274#endif
1275
a687059c 1276#if INTSIZE == 2
79072805
LW
1277# define htoni htons
1278# define ntohi ntohs
a687059c 1279#else
79072805
LW
1280# define htoni htonl
1281# define ntohi ntohl
a687059c
LW
1282#endif
1283
a0d0e21e 1284/* Configure already sets Direntry_t */
35c8bce7 1285#if defined(I_DIRENT)
663a0e37 1286# include <dirent.h>
8f1f23e8
W
1287 /* NeXT needs dirent + sys/dir.h */
1288# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1289# include <sys/dir.h>
1290# endif
ae986130 1291#else
fe14fcc3 1292# ifdef I_SYS_NDIR
79a0689e 1293# include <sys/ndir.h>
663a0e37 1294# else
fe14fcc3 1295# ifdef I_SYS_DIR
79a0689e
LW
1296# ifdef hp9000s500
1297# include <ndir.h> /* may be wrong in the future */
1298# else
1299# include <sys/dir.h>
1300# endif
663a0e37
LW
1301# endif
1302# endif
4633a7c4 1303#endif
a687059c 1304
12ae5dfc
JH
1305#ifdef PERL_MICRO
1306# ifndef DIR
1307# define DIR void
1308# endif
1309#endif
1310
352d5a3a
LW
1311#ifdef FPUTS_BOTCH
1312/* work around botch in SunOS 4.0.1 and 4.0.2 */
1313# ifndef fputs
79072805 1314# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1315# endif
1316#endif
1317
c623bd54
LW
1318/*
1319 * The following gobbledygook brought to you on behalf of __STDC__.
1320 * (I could just use #ifndef __STDC__, but this is more bulletproof
1321 * in the face of half-implementations.)
1322 */
1323
7114a2d2 1324#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1325#include <sys/mode.h>
1326#endif
1327
c623bd54
LW
1328#ifndef S_IFMT
1329# ifdef _S_IFMT
1330# define S_IFMT _S_IFMT
1331# else
1332# define S_IFMT 0170000
1333# endif
1334#endif
1335
1336#ifndef S_ISDIR
1337# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1338#endif
1339
1340#ifndef S_ISCHR
1341# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1342#endif
1343
1344#ifndef S_ISBLK
fe14fcc3
LW
1345# ifdef S_IFBLK
1346# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1347# else
1348# define S_ISBLK(m) (0)
1349# endif
c623bd54
LW
1350#endif
1351
1352#ifndef S_ISREG
1353# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1354#endif
1355
1356#ifndef S_ISFIFO
fe14fcc3
LW
1357# ifdef S_IFIFO
1358# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1359# else
1360# define S_ISFIFO(m) (0)
1361# endif
c623bd54
LW
1362#endif
1363
1364#ifndef S_ISLNK
1365# ifdef _S_ISLNK
1366# define S_ISLNK(m) _S_ISLNK(m)
1367# else
1368# ifdef _S_IFLNK
1369# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1370# else
1371# ifdef S_IFLNK
1372# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1373# else
1374# define S_ISLNK(m) (0)
1375# endif
1376# endif
1377# endif
1378#endif
1379
1380#ifndef S_ISSOCK
1381# ifdef _S_ISSOCK
1382# define S_ISSOCK(m) _S_ISSOCK(m)
1383# else
1384# ifdef _S_IFSOCK
1385# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1386# else
1387# ifdef S_IFSOCK
1388# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1389# else
1390# define S_ISSOCK(m) (0)
1391# endif
1392# endif
1393# endif
1394#endif
1395
1396#ifndef S_IRUSR
1397# ifdef S_IREAD
1398# define S_IRUSR S_IREAD
1399# define S_IWUSR S_IWRITE
1400# define S_IXUSR S_IEXEC
1401# else
1402# define S_IRUSR 0400
1403# define S_IWUSR 0200
1404# define S_IXUSR 0100
1405# endif
fac7cdfc 1406#endif
1407
1408#ifndef S_IRGRP
1409# ifdef S_IRUSR
1410# define S_IRGRP (S_IRUSR>>3)
1411# define S_IWGRP (S_IWUSR>>3)
1412# define S_IXGRP (S_IXUSR>>3)
1413# else
1414# define S_IRGRP 0040
1415# define S_IWGRP 0020
1416# define S_IXGRP 0010
1417# endif
1418#endif
1419
1420#ifndef S_IROTH
1421# ifdef S_IRUSR
1422# define S_IROTH (S_IRUSR>>6)
1423# define S_IWOTH (S_IWUSR>>6)
1424# define S_IXOTH (S_IXUSR>>6)
1425# else
1426# define S_IROTH 0040
1427# define S_IWOTH 0020
1428# define S_IXOTH 0010
1429# endif
c623bd54
LW
1430#endif
1431
1432#ifndef S_ISUID
1433# define S_ISUID 04000
1434#endif
1435
1436#ifndef S_ISGID
1437# define S_ISGID 02000
1438#endif
1439
ca6e1c26
JH
1440#ifndef S_IRWXU
1441# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1442#endif
ca6e1c26
JH
1443
1444#ifndef S_IRWXG
1445# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1446#endif
ca6e1c26
JH
1447
1448#ifndef S_IRWXO
1449# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1450#endif
ca6e1c26 1451
c21fb2b8
JH
1452/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1453 * which would get included through <sys/file.h >, but that is 3000
1454 * lines in the future. --jhi */
1455
1456#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1457# define S_IREAD S_IRUSR
1458#endif
1459
c21fb2b8 1460#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1461# define S_IWRITE S_IWUSR
1462#endif
1463
1464#ifndef S_IEXEC
1465# define S_IEXEC S_IXUSR
1466#endif
1467
79072805
LW
1468#ifdef ff_next
1469# undef ff_next
352d5a3a
LW
1470#endif
1471
a0d0e21e 1472#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1473# define SLOPPYDIVIDE
1474#endif
1475
748a9306
LW
1476#ifdef UV
1477#undef UV
1478#endif
1479
c89df6bf
JH
1480#ifdef SPRINTF_E_BUG
1481# define sprintf UTS_sprintf_wrap
1482#endif
1483
ce582cee
NC
1484/* For the times when you want the return value of sprintf, and you want it
1485 to be the length. Can't have a thread variable passed in, because C89 has
1486 no varargs macros.
1487*/
1488#ifdef SPRINTF_RETURNS_STRLEN
1489# define my_sprintf sprintf
1490#else
1491# define my_sprintf Perl_my_sprintf
1492#endif
1493
5b692037
JH
1494/*
1495 * If we have v?snprintf() and the C99 variadic macros, we can just
1496 * use just the v?snprintf(). It is nice to try to trap the buffer
1497 * overflow, however, so if we are DEBUGGING, and we cannot use the
1498 * gcc brace groups, then use the function wrappers which try to trap
1499 * the overflow. If we can use the gcc brace groups, we can try that
1500 * even with the version that uses the C99 variadic macros.
1501 */
1502
1208b3dd
JH
1503/* Note that we do not check against snprintf()/vsnprintf() returning
1504 * negative values because that is non-standard behaviour and we use
1505 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1506 * that should be true only if the snprintf()/vsnprintf() are true
1507 * to the standard. */
1508
dfeee9b1 1509#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1510# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1511# define my_snprintf(buffer, len, ...) ({ int __len__ = snprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: snprintf buffer overflow"); __len__; })
1208b3dd 1512# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1513# else
1514# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1515# endif
1516#else
1517# define my_snprintf Perl_my_snprintf
1208b3dd 1518# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1519#endif
1520
dfeee9b1 1521#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1522# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1523# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1524# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1525# else
1526# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1527# endif
1528#else
1529# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1530# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1531#endif
d9fad198 1532
a6cc4119
SP
1533#ifdef HAS_STRLCAT
1534# define my_strlcat strlcat
1535#else
1536# define my_strlcat Perl_my_strlcat
1537#endif
1538
1539#ifdef HAS_STRLCPY
1540# define my_strlcpy strlcpy
1541#else
1542# define my_strlcpy Perl_my_strlcpy
1543#endif
1544
c495e728
JH
1545/* Configure gets this right but the UTS compiler gets it wrong.
1546 -- Hal Morris <hom00@utsglobal.com> */
1547#ifdef UTS
1548# undef UVTYPE
1549# define UVTYPE unsigned
1550#endif
1551
05f13f53 1552/*
27d4fb96
PP
1553 The IV type is supposed to be long enough to hold any integral
1554 value or a pointer.
1555 --Andy Dougherty August 1996
1556*/
1557
a22e52b9
JH
1558typedef IVTYPE IV;
1559typedef UVTYPE UV;
8175356b 1560
10cc9d2a 1561#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1562# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1563# define IV_MAX INT64_MAX
1564# define IV_MIN INT64_MIN
1565# define UV_MAX UINT64_MAX
cae7ae48
JH
1566# ifndef UINT64_MIN
1567# define UINT64_MIN 0
1568# endif
5ff3f7a4
GS
1569# define UV_MIN UINT64_MIN
1570# else
1571# define IV_MAX PERL_QUAD_MAX
1572# define IV_MIN PERL_QUAD_MIN
1573# define UV_MAX PERL_UQUAD_MAX
1574# define UV_MIN PERL_UQUAD_MIN
1575# endif
cf2093f6
JH
1576# define IV_IS_QUAD
1577# define UV_IS_QUAD
79072805 1578#else
8175356b 1579# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1580# define IV_MAX INT32_MAX
1581# define IV_MIN INT32_MIN
716026f9
DL
1582# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1583# define UV_MAX UINT32_MAX
1584# else
1585# define UV_MAX 4294967295U
1586# endif
cae7ae48
JH
1587# ifndef UINT32_MIN
1588# define UINT32_MIN 0
1589# endif
5ff3f7a4
GS
1590# define UV_MIN UINT32_MIN
1591# else
1592# define IV_MAX PERL_LONG_MAX
1593# define IV_MIN PERL_LONG_MIN
1594# define UV_MAX PERL_ULONG_MAX
1595# define UV_MIN PERL_ULONG_MIN
1596# endif
8175356b 1597# if IVSIZE == 8
cf2093f6
JH
1598# define IV_IS_QUAD
1599# define UV_IS_QUAD
de1c2614
JH
1600# ifndef HAS_QUAD
1601# define HAS_QUAD
1602# endif
cf2093f6
JH
1603# else
1604# undef IV_IS_QUAD
1605# undef UV_IS_QUAD
de1c2614 1606# undef HAS_QUAD
cf2093f6 1607# endif
79072805 1608#endif
d7d93a81 1609
1109a392
MHM
1610#ifndef HAS_QUAD
1611# undef PERL_NEED_MY_HTOLE64
1612# undef PERL_NEED_MY_LETOH64
1613# undef PERL_NEED_MY_HTOBE64
1614# undef PERL_NEED_MY_BETOH64
1615#endif
1616
6cde8aec 1617#if defined(uts) || defined(UTS)
11afe549
HM
1618# undef UV_MAX
1619# define UV_MAX (4294967295u)
20601011
JH
1620#endif
1621
cae7ae48 1622#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1623#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1624
28e5dec8 1625#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1626#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1627#endif
1628
d460ef45 1629/*
26bb67e2
JH
1630 * The macros INT2PTR and NUM2PTR are (despite their names)
1631 * bi-directional: they will convert int/float to or from pointers.
1632 * However the conversion to int/float are named explicitly:
1633 * PTR2IV, PTR2UV, PTR2NV.
1634 *
1635 * For int conversions we do not need two casts if pointers are
1636 * the same size as IV and UV. Otherwise we need an explicit
1637 * cast (PTRV) to avoid compiler warnings.
1638 */
56431972
RB
1639#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1640# define PTRV UV
1641# define INT2PTR(any,d) (any)(d)
1642#else
d460ef45 1643# if PTRSIZE == LONGSIZE
56431972 1644# define PTRV unsigned long
e91e3b10 1645# define PTR2ul(p) (unsigned long)(p)
42718184 1646# else
56431972 1647# define PTRV unsigned
42718184 1648# endif
e91e3b10
RB
1649#endif
1650
1651#ifndef INT2PTR
56431972 1652# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1653#endif
e91e3b10
RB
1654
1655#ifndef PTR2ul
1656# define PTR2ul(p) INT2PTR(unsigned long,p)
1657#endif
1658
56431972
RB
1659#define NUM2PTR(any,d) (any)(PTRV)(d)
1660#define PTR2IV(p) INT2PTR(IV,p)
1661#define PTR2UV(p) INT2PTR(UV,p)
1662#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1663#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1664
8141890a
JH
1665/* According to strict ANSI C89 one cannot freely cast between
1666 * data pointers and function (code) pointers. There are at least
1667 * two ways around this. One (used below) is to do two casts,
1668 * first the other pointer to an (unsigned) integer, and then
1669 * the integer to the other pointer. The other way would be
1670 * to use unions to "overlay" the pointers. For an example of
1671 * the latter technique, see union dirpu in struct xpvio in sv.h.
1672 * The only feasible use is probably temporarily storing
1673 * function pointers in a data pointer (such as a void pointer). */
1674
e91e3b10
RB
1675#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1676#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1677
65202027 1678#ifdef USE_LONG_DOUBLE
1048ea30
JH
1679# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1680# define LONG_DOUBLE_EQUALS_DOUBLE
1681# endif
68d4903c 1682# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1683# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1684# endif
1685#endif
1686
2d4389e4
JH
1687#ifdef OVR_DBL_DIG
1688/* Use an overridden DBL_DIG */
1689# ifdef DBL_DIG
1690# undef DBL_DIG
1691# endif
1692# define DBL_DIG OVR_DBL_DIG
1693#else
1694/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1695 default value for printing floating point numbers in Gconvert
1696 (see config.h). (It also has other uses, such as figuring out if
1697 a given precision of printing can be done with a double instead of
1698 a long double - Allen).
2d4389e4
JH
1699*/
1700#ifdef I_LIMITS
1701#include <limits.h>
1702#endif
1703#ifdef I_FLOAT
1704#include <float.h>
1705#endif
1706#ifndef HAS_DBL_DIG
1707#define DBL_DIG 15 /* A guess that works lots of places */
1708#endif
1709#endif
cbca01e1
JH
1710#ifdef I_FLOAT
1711#include <float.h>
1712#endif
1713#ifndef HAS_DBL_DIG
1714#define DBL_DIG 15 /* A guess that works lots of places */
1715#endif
2d4389e4
JH
1716
1717#ifdef OVR_LDBL_DIG
1718/* Use an overridden LDBL_DIG */
1719# ifdef LDBL_DIG
1720# undef LDBL_DIG
1721# endif
1722# define LDBL_DIG OVR_LDBL_DIG
1723#else
1724/* The following is all to get LDBL_DIG, in order to pick a nice
1725 default value for printing floating point numbers in Gconvert.
1726 (see config.h)
1727*/
68d4903c
JH
1728# ifdef I_LIMITS
1729# include <limits.h>
1730# endif
1731# ifdef I_FLOAT
1732# include <float.h>
1733# endif
1734# ifndef HAS_LDBL_DIG
1735# if LONG_DOUBLESIZE == 10
1736# define LDBL_DIG 18 /* assume IEEE */
1737# else
1738# if LONG_DOUBLESIZE == 12
1739# define LDBL_DIG 18 /* gcc? */
1740# else
1741# if LONG_DOUBLESIZE == 16
1742# define LDBL_DIG 33 /* assume IEEE */
1743# else
1744# if LONG_DOUBLESIZE == DOUBLESIZE
1745# define LDBL_DIG DBL_DIG /* bummer */
1746# endif
1747# endif
1748# endif
1749# endif
1750# endif
2d4389e4
JH
1751#endif
1752
20f6aaab
AS
1753/*
1754 * This is for making sure we have a good DBL_MAX value, if possible,
1755 * either for usage as NV_MAX or for usage in figuring out if we can
1756 * fit a given long double into a double, if bug-fixing makes it
1757 * necessary to do so. - Allen <allens@cpan.org>
1758 */
1759
205f51d8
AS
1760#ifdef I_LIMITS
1761# include <limits.h>
20f6aaab
AS
1762#endif
1763
205f51d8
AS
1764#ifdef I_VALUES
1765# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1766# include <values.h>
1767# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1768# define DBL_MAX MAXDOUBLE
1769# endif
1770# if defined(MINDOUBLE) && !defined(DBL_MIN)
1771# define DBL_MIN MINDOUBLE
1772# endif
1773# endif
1774#endif /* defined(I_VALUES) */
1775
a22e52b9 1776typedef NVTYPE NV;
8175356b 1777
792d8dab
JH
1778#ifdef I_IEEEFP
1779# include <ieeefp.h>
1780#endif
923fc586 1781
65202027 1782#ifdef USE_LONG_DOUBLE
923fc586
JH
1783# ifdef I_SUNMATH
1784# include <sunmath.h>
1785# endif
2d4389e4 1786# define NV_DIG LDBL_DIG
d6c14000
JH
1787# ifdef LDBL_MANT_DIG
1788# define NV_MANT_DIG LDBL_MANT_DIG
1789# endif
06fc1729
JH
1790# ifdef LDBL_MIN
1791# define NV_MIN LDBL_MIN
1792# endif
1793# ifdef LDBL_MAX
1794# define NV_MAX LDBL_MAX
1795# endif
1796# ifdef LDBL_MIN_10_EXP
1797# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1798# endif
1799# ifdef LDBL_MAX_10_EXP
1800# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1801# endif
1802# ifdef LDBL_EPSILON
1803# define NV_EPSILON LDBL_EPSILON
1804# endif
f4a14a62
JH
1805# ifdef LDBL_MAX
1806# define NV_MAX LDBL_MAX
20f6aaab 1807/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1808# else
1809# ifdef HUGE_VALL
1810# define NV_MAX HUGE_VALL
1811# else
1812# ifdef HUGE_VAL
1813# define NV_MAX ((NV)HUGE_VAL)
1814# endif
1815# endif
1816# endif
68d4903c 1817# ifdef HAS_SQRTL
68d4903c
JH
1818# define Perl_cos cosl
1819# define Perl_sin sinl
1820# define Perl_sqrt sqrtl
1821# define Perl_exp expl
1822# define Perl_log logl
1823# define Perl_atan2 atan2l
1824# define Perl_pow powl
1825# define Perl_floor floorl
1bbae031 1826# define Perl_ceil ceill
68d4903c
JH
1827# define Perl_fmod fmodl
1828# endif
a3540c92
JH
1829/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1830# ifdef HAS_MODFL
1831# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1832/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1833 prototype in <math.h> */
1834# ifndef HAS_MODFL_PROTO
a221a8a5 1835EXTERN_C long double modfl(long double, long double *);
51997bc3 1836# endif
03476e8e
JH
1837# else
1838# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1839 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1840# define Perl_modf(x,y) Perl_my_modfl(x,y)
1841# endif
a3540c92
JH
1842# endif
1843# ifdef HAS_FREXPL
dff3e0b8 1844# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1845# else
1846# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1847 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1848# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1849# endif
a3540c92 1850# endif
38dbb4c5 1851# ifndef Perl_isnan
758a5d79
JH
1852# ifdef HAS_ISNANL
1853# define Perl_isnan(x) isnanl(x)
1854# endif
1855# endif
1856# ifndef Perl_isinf
1857# ifdef HAS_FINITEL
1858# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1859# endif
1860# endif
65202027 1861#else
2d4389e4 1862# define NV_DIG DBL_DIG
d6c14000
JH
1863# ifdef DBL_MANT_DIG
1864# define NV_MANT_DIG DBL_MANT_DIG
1865# endif
06fc1729
JH
1866# ifdef DBL_MIN
1867# define NV_MIN DBL_MIN
1868# endif
1869# ifdef DBL_MAX
1870# define NV_MAX DBL_MAX
1871# endif
1872# ifdef DBL_MIN_10_EXP
1873# define NV_MIN_10_EXP DBL_MIN_10_EXP
1874# endif
1875# ifdef DBL_MAX_10_EXP
1876# define NV_MAX_10_EXP DBL_MAX_10_EXP
1877# endif
1878# ifdef DBL_EPSILON
1879# define NV_EPSILON DBL_EPSILON
1880# endif
205f51d8 1881# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1882# define NV_MAX DBL_MAX
1883# define NV_MIN DBL_MIN
1884# else
1885# ifdef HUGE_VAL
1886# define NV_MAX HUGE_VAL
1887# endif
1888# endif
65202027
DS
1889# define Perl_cos cos
1890# define Perl_sin sin
1891# define Perl_sqrt sqrt
1892# define Perl_exp exp
1893# define Perl_log log
1894# define Perl_atan2 atan2
1895# define Perl_pow pow
1896# define Perl_floor floor
1bbae031 1897# define Perl_ceil ceil
65202027 1898# define Perl_fmod fmod
a3540c92 1899# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1900# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1901#endif
1902
1903/* rumor has it that Win32 has _fpclass() */
1904
205f51d8
AS
1905/* SGI has fpclassl... but not with the same result values,
1906 * and it's via a typedef (not via #define), so will need to redo Configure
1907 * to use. Not worth the trouble, IMO, at least until the below is used
1908 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1909 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1910 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1911
758a5d79
JH
1912#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1913# ifdef I_IEEFP
1914# include <ieeefp.h>
1915# endif
1916# ifdef I_FP
1917# include <fp.h>
1918# endif
1919# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1920# define Perl_fp_class() fpclassl(x)
1921# else
1922# define Perl_fp_class() fpclass(x)
1923# endif
1924# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1925# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1926# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1927# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1928# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1929# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1930# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1931# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1932# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1933# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1934# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1935# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1936# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1937# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1938# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1939#endif
1940
7114a2d2 1941#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1942# include <math.h>
1943# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1944# include <fp_class.h>
1945# endif
1946# define Perl_fp_class(x) fp_class(x)
1947# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1948# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1949# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1950# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1951# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1952# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1953# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1954# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1955# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1956# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1957# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1958# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1959# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1960# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1961# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1962#endif
1963
1964#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1965# include <math.h>
1966# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1967# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1968# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1969# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1970# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1971# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1972#endif
1973
1974#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1975# include <math.h>
1976# ifndef _cplusplus
1977# define Perl_fp_class(x) class(x)
1978# else
1979# define Perl_fp_class(x) _class(x)
1980# endif
1981# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1982# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1983# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1984# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1985# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1986# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1987# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1988# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1989# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1990# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1991# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1992# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1993# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1994# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1995# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1996#endif
1997
1998/* rumor has it that Win32 has _isnan() */
1999
2000#ifndef Perl_isnan
a3540c92 2001# ifdef HAS_ISNAN
758a5d79
JH
2002# define Perl_isnan(x) isnan((NV)x)
2003# else
2004# ifdef Perl_fp_class_nan
2005# define Perl_isnan(x) Perl_fp_class_nan(x)
2006# else
2007# ifdef HAS_UNORDERED
2008# define Perl_isnan(x) unordered((x), 0.0)
2009# else
2010# define Perl_isnan(x) ((x)!=(x))
2011# endif
2012# endif
2013# endif
2014#endif
2015
ca6c63e1
JH
2016#ifdef UNDER_CE
2017int isnan(double d);
2018#endif
2019
758a5d79
JH
2020#ifndef Perl_isinf
2021# ifdef HAS_ISINF
2022# define Perl_isinf(x) isinf((NV)x)
a3540c92 2023# else
758a5d79
JH
2024# ifdef Perl_fp_class_inf
2025# define Perl_isinf(x) Perl_fp_class_inf(x)
2026# else
2027# define Perl_isinf(x) ((x)==NV_INF)
2028# endif
2029# endif
2030#endif
2031
2032#ifndef Perl_isfinite
2033# ifdef HAS_FINITE
2034# define Perl_isfinite(x) finite((NV)x)
2035# else
2036# ifdef HAS_ISFINITE
2037# define Perl_isfinite(x) isfinite(x)
2038# else
2039# ifdef Perl_fp_class_finite
2040# define Perl_isfinite(x) Perl_fp_class_finite(x)
2041# else
2042# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2043# endif
2044# endif
a3540c92 2045# endif
65202027
DS
2046#endif
2047
a36244b7
JH
2048/* The default is to use Perl's own atof() implementation (in numeric.c).
2049 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2050 * it is however best to use the native implementation of atof.
2051 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2052 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2053 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2054 * you may need to be using a different function than atof! */
a36244b7
JH
2055
2056#ifndef USE_PERL_ATOF
2057# ifndef _UNICOS
2058# define USE_PERL_ATOF
2059# endif
2060#else
2061# if USE_PERL_ATOF == 0
2062# undef USE_PERL_ATOF
2063# endif
2064#endif
2065
2066#ifdef USE_PERL_ATOF
2067# define Perl_atof(s) Perl_my_atof(s)
2068# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2069#else
2070# define Perl_atof(s) (NV)atof(s)
2071# define Perl_atof2(s, n) ((n) = atof(s))
2072#endif
cf2093f6 2073
d460ef45 2074/* Previously these definitions used hardcoded figures.
760ac839
LW
2075 * It is hoped these formula are more portable, although
2076 * no data one way or another is presently known to me.
2077 * The "PERL_" names are used because these calculated constants
2078 * do not meet the ANSI requirements for LONG_MAX, etc., which
2079 * need to be constants acceptable to #if - kja
2080 * define PERL_LONG_MAX 2147483647L
2081 * define PERL_LONG_MIN (-LONG_MAX - 1)
2082 * define PERL ULONG_MAX 4294967295L
2083 */
2084
2085#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2086# include <limits.h>
760ac839 2087#endif
205f51d8
AS
2088/* Included values.h above if necessary; still including limits.h down here,
2089 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2090
99abf803
PP
2091/*
2092 * Try to figure out max and min values for the integral types. THE CORRECT
2093 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2094 * following hacks are used if neither limits.h or values.h provide them:
2095 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2096 * for types < int: (unsigned TYPE)~(unsigned)0
2097 * The argument to ~ must be unsigned so that later signed->unsigned
2098 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2099 * and it must not be smaller than int because ~ does integral promotion.
2100 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2101 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2102 * The latter is a hack which happens to work on some machines but
2103 * does *not* catch any random system, or things like integer types
2104 * with NaN if that is possible.
2105 *
2106 * All of the types are explicitly cast to prevent accidental loss of
2107 * numeric range, and in the hope that they will be less likely to confuse
2108 * over-eager optimizers.
2109 *
2110 */
27d4fb96 2111
99abf803
PP
2112#define PERL_UCHAR_MIN ((unsigned char)0)
2113
2114#ifdef UCHAR_MAX
2115# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2116#else
99abf803
PP
2117# ifdef MAXUCHAR
2118# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2119# else
99abf803 2120# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2121# endif
2122#endif
d460ef45 2123
99abf803
PP
2124/*
2125 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2126 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2127 * depending on local options. Until Configure detects this (or at least
2128 * detects whether the "signed" keyword is available) the CHAR ranges
2129 * will not be included. UCHAR functions normally.
2130 * - kja
2131 */
27d4fb96 2132
99abf803
PP
2133#define PERL_USHORT_MIN ((unsigned short)0)
2134
2135#ifdef USHORT_MAX
2136# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2137#else
99abf803
PP
2138# ifdef MAXUSHORT
2139# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2140# else
ef2f54b0
CB
2141# ifdef USHRT_MAX
2142# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2143# else
2144# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2145# endif
27d4fb96
PP
2146# endif
2147#endif
2148
27d4fb96 2149#ifdef SHORT_MAX
99abf803 2150# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2151#else
2152# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2153# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2154# else
ef2f54b0
CB
2155# ifdef SHRT_MAX
2156# define PERL_SHORT_MAX ((short)SHRT_MAX)
2157# else
2158# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2159# endif
27d4fb96
PP
2160# endif
2161#endif
2162
2163#ifdef SHORT_MIN
99abf803 2164# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2165#else
2166# ifdef MINSHORT
99abf803 2167# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2168# else
ef2f54b0
CB
2169# ifdef SHRT_MIN
2170# define PERL_SHORT_MIN ((short)SHRT_MIN)
2171# else
2172# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2173# endif
27d4fb96
PP
2174# endif
2175#endif
2176
99abf803
PP
2177#ifdef UINT_MAX
2178# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2179#else
99abf803
PP
2180# ifdef MAXUINT
2181# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2182# else
99abf803 2183# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2184# endif
2185#endif
2186
99abf803 2187#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2188
2189#ifdef INT_MAX
99abf803 2190# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2191#else
2192# ifdef MAXINT /* Often used in <values.h> */
99abf803 2193# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2194# else
99abf803 2195# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2196# endif
2197#endif
2198
2199#ifdef INT_MIN
99abf803 2200# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2201#else
2202# ifdef MININT
99abf803 2203# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2204# else
2205# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2206# endif
2207#endif
2208
99abf803
PP
2209#ifdef ULONG_MAX
2210# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2211#else
99abf803
PP
2212# ifdef MAXULONG
2213# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2214# else
99abf803 2215# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2216# endif
2217#endif
2218
99abf803 2219#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2220
760ac839 2221#ifdef LONG_MAX
99abf803 2222# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2223#else
2224# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2225# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2226# else
99abf803 2227# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2228# endif
2229#endif
2230
2231#ifdef LONG_MIN
99abf803 2232# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2233#else
2234# ifdef MINLONG
99abf803 2235# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2236# else
27d4fb96 2237# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2238# endif
2239#endif
2240
d7d93a81 2241#ifdef UV_IS_QUAD
99abf803 2242
99abf803 2243# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2244# define PERL_UQUAD_MIN ((UV)0)
99abf803 2245# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2246# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2247
79072805
LW
2248#endif
2249
22f7c9c9
JH
2250#ifdef MYMALLOC
2251# include "malloc_ctl.h"
2252#endif
2253
830247a4 2254struct RExC_state_t;
8e11feef 2255struct _reg_trie_data;
880b20b6 2256
ee0007ab 2257typedef MEM_SIZE STRLEN;
450a55e4 2258
598921a7
NC
2259#ifdef PERL_MAD
2260typedef struct token TOKEN;
2261typedef struct madprop MADPROP;
2262typedef struct nexttoken NEXTTOKE;
2263#endif
79072805
LW
2264typedef struct op OP;
2265typedef struct cop COP;
2266typedef struct unop UNOP;
2267typedef struct binop BINOP;
2268typedef struct listop LISTOP;
2269typedef struct logop LOGOP;
79072805
LW
2270typedef struct pmop PMOP;
2271typedef struct svop SVOP;
7934575e 2272typedef struct padop PADOP;
79072805 2273typedef struct pvop PVOP;
79072805
LW
2274typedef struct loop LOOP;
2275
cd1541b2
NC
2276typedef struct interpreter PerlInterpreter;
2277
d2b3f365
SS
2278/* Amdahl's <ksync.h> has struct sv */
2279/* SGI's <sys/sema.h> has struct sv */
2280#if defined(UTS) || defined(__sgi)
2281# define STRUCT_SV perl_sv
b8d3c5db
JH
2282#else
2283# define STRUCT_SV sv
2284#endif
2285typedef struct STRUCT_SV SV;
79072805
LW
2286typedef struct av AV;
2287typedef struct hv HV;
2288typedef struct cv CV;
378cc40b 2289typedef struct regexp REGEXP;
79072805 2290typedef struct gp GP;
0c30d9ec 2291typedef struct gv GV;
8990e307 2292typedef struct io IO;
c09156bb 2293typedef struct context PERL_CONTEXT;
79072805
LW
2294typedef struct block BLOCK;
2295
2296typedef struct magic MAGIC;
2297typedef struct xpv XPV;
2298typedef struct xpviv XPVIV;
ff68c719 2299typedef struct xpvuv XPVUV;
79072805
LW
2300typedef struct xpvnv XPVNV;
2301typedef struct xpvmg XPVMG;
2302typedef struct xpvlv XPVLV;
2303typedef struct xpvav XPVAV;
2304typedef struct xpvhv XPVHV;
2305typedef struct xpvgv XPVGV;
2306typedef struct xpvcv XPVCV;
2307typedef struct xpvbm XPVBM;
2308typedef struct xpvfm XPVFM;
8990e307 2309typedef struct xpvio XPVIO;
79072805
LW
2310typedef struct mgvtbl MGVTBL;
2311typedef union any ANY;
5f7fde29
GS
2312typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2313typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2314typedef struct clone_params CLONE_PARAMS;
2315
378cc40b 2316#include "handy.h"
a0d0e21e 2317
6b8eaf93 2318#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2319# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2320# define USE_64_BIT_RAWIO /* implicit */
2321# endif
4564133c
JH
2322#endif
2323
6b8eaf93
JH
2324/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2325 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2326 * however, because operating systems like to do that themself. */
2327#ifndef FSEEKSIZE
2328# ifdef HAS_FSEEKO
2329# define FSEEKSIZE LSEEKSIZE
2330# else
2331# define FSEEKSIZE LONGSIZE
d460ef45 2332# endif
6b8eaf93
JH
2333#endif
2334
2335#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2336# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2337# define USE_64_BIT_STDIO /* implicit */
2338# endif
2339#endif
4564133c 2340
09458382 2341#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2342# ifdef HAS_OFF64_T
2343# undef Off_t
2344# define Off_t off64_t
2345# undef LSEEKSIZE
2346# define LSEEKSIZE 8
5ff3f7a4 2347# endif
d9b3e12d
JH
2348/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2349 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2350 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2351# if defined(USE_OPEN64)
2352# define open open64
5ff3f7a4 2353# endif
d9b3e12d
JH
2354# if defined(USE_LSEEK64)
2355# define lseek lseek64
6b8eaf93
JH
2356# else
2357# if defined(USE_LLSEEK)
2358# define lseek llseek
2359# endif
d9b3e12d
JH
2360# endif
2361# if defined(USE_STAT64)
2362# define stat stat64
2363# endif
2364# if defined(USE_FSTAT64)
2365# define fstat fstat64
2366# endif
2367# if defined(USE_LSTAT64)
2368# define lstat lstat64
2369# endif
2370# if defined(USE_FLOCK64)
2371# define flock flock64
2372# endif
2373# if defined(USE_LOCKF64)
2374# define lockf lockf64
2375# endif
2376# if defined(USE_FCNTL64)
2377# define fcntl fcntl64
2378# endif
2379# if defined(USE_TRUNCATE64)
2380# define truncate truncate64
2381# endif
2382# if defined(USE_FTRUNCATE64)
2383# define ftruncate ftruncate64
2384# endif
2385#endif
2386
2387#ifdef USE_64_BIT_STDIO
2388# ifdef HAS_FPOS64_T
2389# undef Fpos_t
2390# define Fpos_t fpos64_t
2391# endif
2392/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2393 * will trigger defines like the ones below. Some 64-bit environments,
2394 * however, do not. */
2395# if defined(USE_FOPEN64)
2396# define fopen fopen64
2397# endif
2398# if defined(USE_FSEEK64)
6b8eaf93 2399# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2400# endif
2401# if defined(USE_FTELL64)
6b8eaf93 2402# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2403# endif
2404# if defined(USE_FSETPOS64)
2405# define fsetpos fsetpos64
2406# endif
2407# if defined(USE_FGETPOS64)
2408# define fgetpos fgetpos64
2409# endif
2410# if defined(USE_TMPFILE64)
2411# define tmpfile tmpfile64
2412# endif
2413# if defined(USE_FREOPEN64)
2414# define freopen freopen64
5ff3f7a4
GS
2415# endif
2416#endif
2417
af8b425d 2418#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2419# include "iperlsys.h"
2420#endif
2421
6f71a643 2422#if defined(__OPEN_VM)
19848b3f
JH
2423# include "vmesa/vmesaish.h"
2424# define ISHISH "vmesa"
6f71a643
JH
2425#endif
2426
748a9306 2427#ifdef DOSISH
19848b3f
JH
2428# if defined(OS2)
2429# include "os2ish.h"
2430# else
2431# include "dosish.h"
2432# endif
2433# define ISHISH "dos"
2434#endif
2435
2436#if defined(VMS)
748a9306 2437# include "vmsish.h"
96e176bf 2438# include "embed.h"
eb8433b7
NC
2439# ifndef PERL_MAD
2440# undef op_getmad
b3f24c00 2441# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2442# endif
19848b3f
JH
2443# define ISHISH "vms"
2444#endif
2445
2446#if defined(PLAN9)
2447# include "./plan9/plan9ish.h"
2448# define ISHISH "plan9"
2449#endif
2450
2451#if defined(MPE)
2452# include "mpeix/mpeixish.h"
2453# define ISHISH "mpeix"
2454#endif
2455
2456#if defined(__VOS__)
196918b0
PG
2457# ifdef __GNUC__
2458# include "./vos/vosish.h"
2459# else
2460# include "vos/vosish.h"
2461# endif
19848b3f
JH
2462# define ISHISH "vos"
2463#endif
2464
2465#if defined(EPOC)
2466# include "epocish.h"
2467# define ISHISH "epoc"
2468#endif
2469
9969cdde 2470#ifdef __SYMBIAN32__
27da23d5
JH
2471# include "symbian/symbianish.h"
2472# include "embed.h"
eb8433b7
NC
2473# ifndef PERL_MAD
2474# undef op_getmad
b3f24c00 2475# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2476# endif
27da23d5
JH
2477# define ISHISH "symbian"
2478#endif
2479
19848b3f
JH
2480#if defined(MACOS_TRADITIONAL)
2481# include "macos/macish.h"
2482# ifndef NO_ENVIRON_ARRAY
2483# define NO_ENVIRON_ARRAY
0c30d9ec 2484# endif
19848b3f
JH
2485# define ISHISH "macos classic"
2486#endif
2487
efca5cc6
JH
2488#if defined(__BEOS__)
2489# include "beos/beosish.h"
2490# define ISHISH "beos"
2491#endif
2492
19848b3f
JH
2493#ifndef ISHISH
2494# include "unixish.h"
2495# define ISHISH "unix"
13b6e58c
JH
2496#endif
2497
2946a158
JH
2498/* NSIG logic from Configure --> */
2499/* Strange style to avoid deeply-nested #if/#else/#endif */
2500#ifndef NSIG
2501# ifdef _NSIG
2502# define NSIG (_NSIG)
2503# endif
2504#endif
2505
2506#ifndef NSIG
2507# ifdef SIGMAX
2508# define NSIG (SIGMAX+1)
2509# endif
2510#endif
2511
2512#ifndef NSIG
2513# ifdef SIG_MAX
2514# define NSIG (SIG_MAX+1)
2515# endif
2516#endif
2517
2518#ifndef NSIG
2519# ifdef _SIG_MAX
2520# define NSIG (_SIG_MAX+1)
2521# endif
2522#endif
2523
2524#ifndef NSIG
2525# ifdef MAXSIG
2526# define NSIG (MAXSIG+1)
2527# endif
2528#endif
2529
2530#ifndef NSIG
2531# ifdef MAX_SIG
2532# define NSIG (MAX_SIG+1)
2533# endif
2534#endif
2535
2536#ifndef NSIG
2537# ifdef SIGARRAYSIZE
2538# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2539# endif
2540#endif
2541
2542#ifndef NSIG
2543# ifdef _sys_nsig
2544# define NSIG (_sys_nsig) /* Solaris 2.5 */
2545# endif
2546#endif
2547
2548/* Default to some arbitrary number that's big enough to get most
2549 of the common signals.
2550*/
2551#ifndef NSIG
2552# define NSIG 50
2553#endif
2554/* <-- NSIG logic from Configure */
2555
13b6e58c
JH
2556#ifndef NO_ENVIRON_ARRAY
2557# define USE_ENVIRON_ARRAY
2558#endif
32f822de 2559
c77b533b
JH
2560/*
2561 * initialise to avoid floating-point exceptions from overflow, etc
2562 */
2563#ifndef PERL_FPU_INIT
2564# ifdef HAS_FPSETMASK
2565# if HAS_FLOATINGPOINT_H
2566# include <floatingpoint.h>
2567# endif
2568# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2569# else
2f42fcb0 2570# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
8aad04aa 2571# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN);
b35112e7
CS
2572# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2573# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2574# else
2575# define PERL_FPU_INIT
2f42fcb0 2576
7014c407 2577# endif
c77b533b
JH
2578# endif
2579#endif
b35112e7
CS
2580#ifndef PERL_FPU_PRE_EXEC
2581# define PERL_FPU_PRE_EXEC {
2582# define PERL_FPU_POST_EXEC }
2583#endif
c77b533b 2584
ed344e4f
IZ
2585#ifndef PERL_SYS_INIT3
2586# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2587#endif
2588
be708cc0
JH
2589#ifndef PERL_WRITE_MSG_TO_CONSOLE
2590# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2591#endif
2592
0f31cffe
GS
2593#ifndef MAXPATHLEN
2594# ifdef PATH_MAX
b990c8b2
JH
2595# ifdef _POSIX_PATH_MAX
2596# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2597/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2598 * included the null byte or not. Later amendments of POSIX,
2599 * XPG4, the Austin Group, and the Single UNIX Specification
2600 * all explicitly include the null byte in the PATH_MAX.
2601 * Ditto for _POSIX_PATH_MAX. */
2602# define MAXPATHLEN PATH_MAX
b990c8b2 2603# else
09448d78 2604# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2605# endif
2606# else
2607# define MAXPATHLEN (PATH_MAX+1)
2608# endif
0f31cffe 2609# else
b990c8b2 2610# ifdef _POSIX_PATH_MAX
09448d78 2611# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2612# else
2613# define MAXPATHLEN 1024 /* Err on the large side. */
2614# endif
0f31cffe
GS
2615# endif
2616#endif
2617
c80263a8
SH
2618/* In case Configure was not used (we are using a "canned config"
2619 * such as Win32, or a cross-compilation setup, for example) try going
2620 * by the gcc major and minor versions. One useful URL is
2621 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2622 * but contrary to this information warn_unused_result seems
2623 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2624 * Also, when building extensions with an installed perl, this allows
2625 * the user to upgrade gcc and get the right attributes, rather than
2626 * relying on the list generated at Configure time. --AD
c80263a8
SH
2627 * Set these up now otherwise we get confused when some of the <*thread.h>
2628 * includes below indirectly pull in <perlio.h> (which needs to know if we
2629 * have HASATTRIBUTE_FORMAT).
2630 */
2631
fc2007d4 2632#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH
2633# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2634# define HASATTRIBUTE_FORMAT
2635# endif
2636# if __GNUC__ >= 3 /* 3.0 -> */
2637# define HASATTRIBUTE_MALLOC
2638# endif
2639# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2640# define HASATTRIBUTE_NONNULL
2641# endif
2642# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2643# define HASATTRIBUTE_NORETURN
2644# endif
2645# if __GNUC__ >= 3 /* gcc 3.0 -> */
2646# define HASATTRIBUTE_PURE
2647# endif
42bf5550 2648# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2649# define HASATTRIBUTE_UNUSED
2650# endif
d324fe49
AD
2651# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2652# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2653# endif
c80263a8
SH
2654# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2655# define HASATTRIBUTE_WARN_UNUSED_RESULT
2656# endif
2657#endif
2658
3db8f154 2659/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2660 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2661 * this results in many functions being undeclared which bothers C++
2662 * May make sense to have threads after "*ish.h" anyway
2663 */
2664
3db8f154 2665#if defined(USE_ITHREADS)
2986a63f
JH
2666# ifdef NETWARE
2667# include <nw5thread.h>
2668# else
32f822de
GS
2669# ifdef FAKE_THREADS
2670# include "fakethr.h"
2671# else
2672# ifdef WIN32
2673# include <win32thread.h>
2674# else
dd96f567
IZ
2675# ifdef OS2
2676# include "os2thread.h"
2677# else
7f3d1cf1 2678# ifdef I_MACH_CTHREADS
bdd66968 2679# include <mach/cthreads.h>
8f1f23e8 2680# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2681# define MUTEX_INIT_CALLS_MALLOC
2682# endif
7f3d1cf1
BH
2683typedef cthread_t perl_os_thread;
2684typedef mutex_t perl_mutex;
2685typedef condition_t perl_cond;
2686typedef void * perl_key;
2687# else /* Posix threads */
1f5ae88c
JH
2688# ifdef I_PTHREAD
2689# include <pthread.h>
2690# endif
7f3d1cf1
BH
2691typedef pthread_t perl_os_thread;
2692typedef pthread_mutex_t perl_mutex;
2693typedef pthread_cond_t perl_cond;
2694typedef pthread_key_t perl_key;
2695# endif /* I_MACH_CTHREADS */
dd96f567 2696# endif /* OS2 */
32f822de
GS
2697# endif /* WIN32 */
2698# endif /* FAKE_THREADS */
2986a63f 2699#endif /* NETWARE */
3db8f154 2700#endif /* USE_ITHREADS */
c5be433b 2701
66a93824 2702#if defined(WIN32)
1feb2720 2703# include "win32.h"
c5be433b
GS
2704#endif
2705
2986a63f
JH
2706#ifdef NETWARE
2707# include "netware.h"
2708#endif
2709
e5218da5 2710#define STATUS_UNIX PL_statusvalue
68dc0745 2711#ifdef VMS
6b88bc9c 2712# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2713/*
2714 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2715 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2716 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2717 * be updated also.
2718 */
2719# include <stsdef.h>
2720# include <ssdef.h>
2721/* Presume this because if VMS changes it, it will require a new
2722 * set of APIs for waiting on children for binary compatibility.
2723 */
2724# define child_offset_bits (8)
2725# ifndef C_FAC_POSIX
2726# define C_FAC_POSIX 0x35A000
2727# endif
2728
2729/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2730 * platform from the existing UNIX or Native status values.
2731 */
2732
37038d91 2733# define STATUS_EXIT \
7a7fd8e0
JM
2734 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2735 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2736
7a7fd8e0 2737
fb38d079
JM
2738/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2739 * exit code and shifts the UNIX value over the correct number of bits to
2740 * be a child status. Usually the number of bits is 8, but that could be
2741 * platform dependent. The NATIVE status code is presumed to have either
2742 * from a child process.
7a7fd8e0
JM
2743 */
2744
fb38d079
JM
2745/* This is complicated. The child processes return a true native VMS
2746 status which must be saved. But there is an assumption in Perl that
2747 the UNIX child status has some relationship to errno values, so
2748 Perl tries to translate it to text in some of the tests.
2749 In order to get the string translation correct, for the error, errno
2750 must be EVMSERR, but that generates a different text message
2751 than what the test programs are expecting. So an errno value must
2752 be derived from the native status value when an error occurs.
2753 That will hide the true native status message. With this version of
2754 perl, the true native child status can always be retrieved so that
2755 is not a problem. But in this case, Pl_statusvalue and errno may
2756 have different values in them.
2757 */
7a7fd8e0 2758
fb38d079 2759# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2760 STMT_START { \
2fbb330f
JM
2761 I32 evalue = (I32)n; \
2762 if (evalue == EVMSERR) { \
2763 PL_statusvalue_vms = vaxc$errno; \
2764 PL_statusvalue = evalue; \
7a7fd8e0 2765 } else { \
2fbb330f 2766 PL_statusvalue_vms = evalue; \
fb38d079 2767 if (evalue == -1) { \
3280af22 2768 PL_statusvalue = -1; \
7a7fd8e0
JM
2769 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2770 } else \
fb38d079 2771 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2772 set_vaxc_errno(evalue); \
fb38d079
JM
2773 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2774 set_errno(EVMSERR); \
2775 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2776 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2777 } \
68dc0745 2778 } STMT_END
7a7fd8e0 2779
68dc0745 2780# ifdef VMSISH_STATUS
e5218da5 2781# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2782# else
e5218da5 2783# define STATUS_CURRENT STATUS_UNIX
68dc0745 2784# endif
7a7fd8e0
JM
2785
2786 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2787 * the NATIVE status to an equivalent value. Can not be used to translate
2788 * exit code values as exit code values are not guaranteed to have any
2789 * relationship at all to errno values.
2790 * This is used when Perl is forcing errno to have a specific value.
2791 */
e5218da5 2792# define STATUS_UNIX_SET(n) \
68dc0745 2793 STMT_START { \
7a7fd8e0 2794 I32 evalue = (I32)n; \
0968cdad 2795 PL_statusvalue = evalue; \
3280af22 2796 if (PL_statusvalue != -1) { \
0968cdad
JM
2797 if (PL_statusvalue != EVMSERR) { \
2798 PL_statusvalue &= 0xFFFF; \
2799 if (MY_POSIX_EXIT) \
2800 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2801 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2802 } \
2803 else { \
2804 PL_statusvalue_vms = vaxc$errno; \
2805 } \
68dc0745 2806 } \
0968cdad
JM
2807 else PL_statusvalue_vms = SS$_ABORT; \
2808 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2809 } STMT_END
2810
2811 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2812 * the NATIVE error status based on it. It does not assume that
fb38d079
JM
2813 * the UNIX/POSIX exit codes have any relationship to errno, except
2814 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM
2815 * with the Perl VMS documentation, any other code sets the NATIVE
2816 * status to a failure code of SS$_ABORT.
fb38d079
JM
2817 *
2818 * In the new POSIX EXIT mode, native status will be set so that the
2819 * actual exit code will can be retrieved by the calling program or
2820 * shell.
2821 *
2822 * If the exit code is not clearly a UNIX parent or child exit status,
2823 * it will be passed through as a VMS status.
7a7fd8e0
JM
2824 */
2825
fb38d079 2826# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2827 STMT_START { \
2828 I32 evalue = (I32)n; \
2829 PL_statusvalue = evalue; \
fb38d079
JM
2830 if (evalue != -1) { \
2831 if (evalue <= 0xFF00) { \
2832 if (evalue > 0xFF) \
2833 evalue = (evalue >> child_offset_bits) & 0xFF; \
2834 if (evalue == 0) \
2835 PL_statusvalue_vms == SS$_NORMAL; \
2836 else \
2837 if (MY_POSIX_EXIT) \
2838 PL_statusvalue_vms = \
2839 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2840 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2841 else \
6ac6a52b 2842 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM
2843 } else { /* forgive them Perl, for they have sinned */ \
2844 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2845 else PL_statusvalue_vms = vaxc$errno; \
2846 /* And obviously used a VMS status value instead of UNIX */ \
2847 PL_statusvalue = EVMSERR; \
2848 } \
7a7fd8e0
JM
2849 } \
2850 else PL_statusvalue_vms = SS$_ABORT; \
2851 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2852 } STMT_END
fb38d079 2853
6ac6a52b
JM
2854 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2855 * and sets the NATIVE error status based on it. This special case
2856 * is needed to maintain compatibility with past VMS behavior.
2857 *
2858 * In the default mode on VMS, this number is passed through as
2859 * both the NATIVE and UNIX status. Which makes it different
2860 * that the STATUS_UNIX_EXIT_SET.
2861 *
2862 * In the new POSIX EXIT mode, native status will be set so that the
2863 * actual exit code will can be retrieved by the calling program or
2864 * shell.
2865 *
2866 */
2867
2868# define STATUS_EXIT_SET(n) \
2869 STMT_START { \
2870 I32 evalue = (I32)n; \
2871 PL_statusvalue = evalue; \
2872 if (MY_POSIX_EXIT) \
2873 PL_statusvalue_vms = \
2874 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2875 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM
2876 else \
2877 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2878 set_vaxc_errno(PL_statusvalue_vms); \
2879 } STMT_END
2880
fb38d079
JM
2881
2882 /* This macro forces a success status */
7a7fd8e0
JM
2883# define STATUS_ALL_SUCCESS \
2884 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2885
2886 /* This macro forces a failure status */
7a7fd8e0
JM
2887# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2888 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2889 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2890
68dc0745 2891#else
e5218da5 2892# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2893# if defined(WCOREDUMP)
37038d91 2894# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2895 STMT_START { \
2896 PL_statusvalue_posix = (n); \
2897 if (PL_statusvalue_posix == -1) \
2898 PL_statusvalue = -1; \
2899 else { \
2900 PL_statusvalue = \
2901 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2902 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2903 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2904 } \
2905 } STMT_END
2906# elif defined(WIFEXITED)
37038d91 2907# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2908 STMT_START { \
2909 PL_statusvalue_posix = (n); \
2910 if (PL_statusvalue_posix == -1) \
2911 PL_statusvalue = -1; \
2912 else { \
2913 PL_statusvalue = \
2914 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2915 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2916 } \
2917 } STMT_END
2918# else
37038d91 2919# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2920 STMT_START { \
2921 PL_statusvalue_posix = (n); \
2922 if (PL_statusvalue_posix == -1) \
2923 PL_statusvalue = -1; \
2924 else { \
2925 PL_statusvalue = \
2926 PL_statusvalue_posix & 0xFFFF; \
2927 } \
2928 } STMT_END
2929# endif
2930# define STATUS_UNIX_SET(n) \
68dc0745 2931 STMT_START { \
3280af22
NIS
2932 PL_statusvalue = (n); \
2933 if (PL_statusvalue != -1) \
2934 PL_statusvalue &= 0xFFFF; \
68dc0745 2935 } STMT_END
7a7fd8e0 2936# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2937# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2938# define STATUS_CURRENT STATUS_UNIX
37038d91 2939# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2940# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2941# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2942#endif
2943
cc3604b1
GS
2944/* flags in PL_exit_flags for nature of exit() */
2945#define PERL_EXIT_EXPECTED 0x01
31d77e54 2946#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2947
0b94c7bb 2948#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2949# define MEMBER_TO_FPTR(name) name
2950#endif
2951
2952/* format to use for version numbers in file/directory names */
273cf8d1 2953/* XXX move to Configure? */
a7cb1f99 2954#ifndef PERL_FS_VER_FMT
273cf8d1 2955# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2956#endif
2957
45bc9206 2958/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2959 * performance issue, so we allow people to disable it. Also, if
2960 * we are using stdio, there are broken implementations of fflush(NULL)
2961 * out there, Solaris being the most prominent.
45bc9206
GS
2962 */
2963#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2964# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2965# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2966# else
2967# ifdef FFLUSH_ALL
2968# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2969# else
c5be433b 2970# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2971# endif
66fe083f 2972# endif
45bc9206
GS
2973#endif
2974
7766f137
GS
2975#ifndef PERL_WAIT_FOR_CHILDREN
2976# define PERL_WAIT_FOR_CHILDREN NOOP
2977#endif
2978
ba869deb 2979/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2980#ifndef PERL_SET_INTERP
2981# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2982#endif
2983
2984#ifndef PERL_GET_INTERP
2985# define PERL_GET_INTERP (PL_curinterp)
2986#endif
2987
54aff467 2988#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2989# ifdef MULTIPLICITY
ba869deb 2990# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2991# endif
ba869deb
GS
2992# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2993#endif
2994
8896765a
RB
2995/*
2996 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2997 All that is required is that the perl source does not
8896765a
RB
2998 use "%-p" or "%-<number>p" or "%<number>p" formats.
2999 These formats will still work in perl code.
3000 See comments in sv.c for futher details.
3001
3002 -DvdNUMBER=<number> can be used to redefine VDf
3003
3004 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
3005 which works properly but gives compiler warnings
3006
3007 Robin Barker 2005-07-14
0dbb1585 3008*/
8896765a
RB
3009
3010#ifndef SVf_
63ce7bf0 3011# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3012#endif
3013
8896765a 3014#ifndef SVf
104abab4 3015# define SVf "-p"
d2560b70
RB
3016#endif
3017
014ead4b 3018#ifndef SVf32
8896765a 3019# define SVf32 SVf_(32)
014ead4b
RB
3020#endif
3021
3022#ifndef SVf256
8896765a
RB
3023# define SVf256 SVf_(256)
3024#endif
3025
3026#ifndef vdNUMBER
3027# define vdNUMBER 1
3028#endif
3029
3030#ifndef VDf
3031# if vdNUMBER
63ce7bf0 3032# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB
3033# else
3034# define VDf "vd"
3035# endif
014ead4b
RB
3036#endif
3037
f5992bc4 3038/* not used; but needed for backward compatibilty with XS code? - RMB */
014ead4b
RB
3039#ifndef UVf
3040# define UVf UVuf
d2560b70
RB
3041#endif
3042
0dbb1585
AL
3043#ifdef HASATTRIBUTE_FORMAT
3044# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3045#endif
3046#ifdef HASATTRIBUTE_MALLOC
77785eea 3047# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3048#endif
0dbb1585 3049#ifdef HASATTRIBUTE_NONNULL
abb2c242 3050# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3051#endif
0dbb1585 3052#ifdef HASATTRIBUTE_NORETURN
abb2c242 3053# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3054#endif
0dbb1585 3055#ifdef HASATTRIBUTE_PURE
abb2c242 3056# define __attribute__pure__ __attribute__((pure))
f22be1b8 3057#endif
0dbb1585
AL
3058#ifdef HASATTRIBUTE_UNUSED
3059# define __attribute__unused__ __attribute__((unused))
3060#endif
3061#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3062# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3063#endif
3064
0dbb1585
AL
3065/* If we haven't defined the attributes yet, define them to blank. */
3066#ifndef __attribute__format__
3067# define __attribute__format__(x,y,z)
3068#endif
f22be1b8 3069#ifndef __attribute__malloc__
abb2c242 3070# define __attribute__malloc__
f22be1b8
JH
3071#endif
3072#ifndef __attribute__nonnull__
abb2c242 3073# define __attribute__nonnull__(a)
f22be1b8
JH
3074#endif
3075#ifndef __attribute__noreturn__
abb2c242 3076# define __attribute__noreturn__
f22be1b8
JH
3077#endif
3078#ifndef __attribute__pure__
abb2c242 3079# define __attribute__pure__
f22be1b8 3080#endif
0dbb1585
AL
3081#ifndef __attribute__unused__
3082# define __attribute__unused__
3083#endif
f22be1b8 3084#ifndef __attribute__warn_unused_result__
abb2c242
JH
3085# define __attribute__warn_unused_result__
3086#endif
3087
0dbb1585
AL
3088/* For functions that are marked as __attribute__noreturn__, it's not
3089 appropriate to call return. In either case, include the lint directive.
3090 */
3091#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3092# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3093#else
b37c2d43 3094# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH
3095#endif
3096
635aebb7 3097#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3098# define EXPECT(expr,val) __builtin_expect(expr,val)
3099#else
3100# define EXPECT(expr,val) (expr)
3101#endif
3102#define LIKELY(cond) EXPECT(cond,1)
3103#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL
3104#ifdef HAS_BUILTIN_CHOOSE_EXPR
3105/* placeholder */
3106#endif
b37c2d43 3107
3fc1aec6
PP
3108/* Some unistd.h's give a prototype for pause() even though
3109 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3110 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3111*/
3112#ifdef HAS_PAUSE
3113#define Pause pause
3114#else
3115#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3116#endif
3117
3118#ifndef IOCPARM_LEN
3119# ifdef IOCPARM_MASK
61f1c44b 3120 /* on BSDish systems we're safe */
748a9306
LW
3121# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3122# else
61f1c44b 3123# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3124 /* on Linux systems we're safe; except when we're not [perl #38223] */
3125# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3126# else
748a9306 3127 /* otherwise guess at what's safe */
61f1c44b
JVD
3128# define IOCPARM_LEN(x) 256
3129# endif
748a9306 3130# endif
a0d0e21e
LW
3131#endif
3132
1761cee5 3133#if defined(__CYGWIN__)
521e0776
GS
3134/* USEMYBINMODE
3135 * This symbol, if defined, indicates that the program should
16fe6d59 3136 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3137 * that a file is in "binary" mode -- that is, that no translation
3138 * of bytes occurs on read or write operations.
3139 */
36894f0b 3140# define USEMYBINMODE /**/
77a40698 3141# include <io.h> /* for setmode() prototype */
16fe6d59 3142# define my_binmode(fp, iotype, mode) \
77a40698 3143 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3144#endif
3145
88d10794
JH
3146#ifdef __CYGWIN__
3147void init_os_extras(void);
3148#endif
3149
cea2e8a9
GS
3150#ifdef UNION_ANY_DEFINITION
3151UNION_ANY_DEFINITION;
3152#else
3153union any {
3154 void* any_ptr;
3155 I32 any_i32;
3156 IV any_iv;
3157 long any_long;
9febdf04 3158 bool any_bool;
c76ac1ee 3159 void (*any_dptr) (void*);
acfe0abc 3160 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3161};
3162#endif
3163
acfe0abc 3164typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3165
3166#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3167#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3168#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3169
c5078cac
JH
3170#if defined(_AIX) && !defined(_AIX43)
3171#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3172/* We cannot include <crypt.h> to get the struct crypt_data
3173 * because of setkey prototype problems when threading */
3174typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3175 /* From OSF, Not needed in AIX
3176 char C[28], D[28];
3177 */
3178 char E[48];
3179 char KS[16][48];
3180 char block[66];
3181 char iobuf[16];
3182} CRYPTD;
3183#endif /* threading */
3184#endif /* AIX */
3185
af8b425d 3186#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
3187# include "iperlsys.h"
3188#endif
504f80c1 3189
d10dc2ae
JH
3190/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3191 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3192 * defined by Configure, despite their names being similar to the
3193 * other defines like USE_ITHREADS. Configure in fact knows nothing
3194 * about the randomised hashes. Therefore to enable/disable the hash
3195 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3196#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3197# define USE_HASH_SEED
504f80c1
JH
3198#endif
3199
598921a7
NC
3200/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3201 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3202 * it's not really needed.
3203 */
3204#if defined(WIN32)
3205# define YYTOKENTYPE
3206#endif
3207#include "perly.h"
3208
3209#ifdef PERL_MAD
3210struct nexttoken {
3211 YYSTYPE next_val; /* value of next token, if any */
3212 I32 next_type; /* type of next token */
3213 MADPROP *next_mad; /* everything else about that token */
3214};
3215#endif
3216
378cc40b 3217#include "regexp.h"
79072805 3218#include "sv.h"
378cc40b 3219#include "util.h"
8d063cd8 3220#include "form.h"
79072805 3221#include "gv.h"
dd2155a4 3222#include "pad.h"
79072805 3223#include "cv.h"
abdd5c84 3224#include "opnames.h"
79072805 3225#include "op.h"
b3ca2e83 3226#include "hv.h"
79072805
LW
3227#include "cop.h"
3228#include "av.h"
79072805
LW
3229#include "mg.h"
3230#include "scope.h"
4438c4b7 3231#include "warnings.h"
a0ed51b3 3232#include "utf8.h"
8d063cd8 3233
7fae4e64
GS
3234
3235typedef struct _sublex_info SUBLEXINFO;
3236struct _sublex_info {
3237 I32 super_state; /* lexer state to save */
3238 I32 sub_inwhat; /* "lex_inwhat" to use */
3239 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
3240 char *super_bufptr; /* PL_bufptr that was */
3241 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
3242};
3243
455ece5e 3244typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3245
2c2d71f5 3246struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3247struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3248
6f51351d
NC
3249/* Keep next first in this structure, because sv_free_arenas take
3250 advantage of this to share code between the pte arenas and the SV
3251 body arenas */
5f7fde29
GS
3252struct ptr_tbl_ent {
3253 struct ptr_tbl_ent* next;
53c1dcc0 3254 const void* oldval;
5f7fde29 3255 void* newval;
d18c6117
GS
3256};
3257
5f7fde29
GS
3258struct ptr_tbl {
3259 struct ptr_tbl_ent** tbl_ary;
3260 UV tbl_max;
3261 UV tbl_items;
d18c6117
GS
3262};
3263
450a55e4 3264#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
3265# define I286
3266#endif
3267
fe14fcc3
LW
3268#if defined(htonl) && !defined(HAS_HTONL)
3269#define HAS_HTONL
ae986130 3270#endif
fe14fcc3
LW
3271#if defined(htons) && !defined(HAS_HTONS)
3272#define HAS_HTONS
ae986130 3273#endif
fe14fcc3
LW
3274#if defined(ntohl) && !defined(HAS_NTOHL)
3275#define HAS_NTOHL
ae986130 3276#endif
fe14fcc3
LW
3277#if defined(ntohs) && !defined(HAS_NTOHS)
3278#define HAS_NTOHS
ae986130 3279#endif
fe14fcc3 3280#ifndef HAS_HTONL
d9d8d8de 3281#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
3282#define HAS_HTONS
3283#define HAS_HTONL
3284#define HAS_NTOHS
3285#define HAS_NTOHL
a687059c
LW
3286#define MYSWAP
3287#define htons my_swap
3288#define htonl my_htonl
3289#define ntohs my_swap
3290#define ntohl my_ntohl
3291#endif
3292#else
d9d8d8de 3293#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
3294#undef HAS_HTONS
3295#undef HAS_HTONL
3296#undef HAS_NTOHS
3297#undef HAS_NTOHL
a687059c
LW
3298#endif
3299#endif
3300
988174c1
LW
3301/*
3302 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3303 * -DWS
3304 */
3305#if BYTEORDER != 0x1234
3306# define HAS_VTOHL
3307# define HAS_VTOHS
3308# define HAS_HTOVL
3309# define HAS_HTOVS
c67712b2 3310# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3311# define vtohl(x) ((((x)&0xFF)<<24) \
3312 +(((x)>>24)&0xFF) \
3313 +(((x)&0x0000FF00)<<8) \
3314 +(((x)&0x00FF0000)>>8) )
3315# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3316# define htovl(x) vtohl(x)
3317# define htovs(x) vtohs(x)
3318# endif
3319 /* otherwise default to functions in util.c */
2a8c3029 3320#ifndef htovs
c623ac67
GS
3321short htovs(short n);
3322short vtohs(short n);
3323long htovl(long n);
3324long vtohl(long n);
988174c1 3325#endif
2a8c3029 3326#endif
988174c1 3327
3bb7c1b4
JH
3328/* *MAX Plus 1. A floating point value.
3329 Hopefully expressed in a way that dodgy floating point can't mess up.
3330 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3331 is added to it
3332 May find that some broken compiler will want the value cast to I32.
3333 [after the shift, as signed >> may not be as secure as unsigned >>]
3334*/
3335#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3336#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3337/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3338 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3339 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3340*/
3341#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3342
3bb7c1b4
JH
3343#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3344#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3345#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3346
3347/* This may look like unnecessary jumping through hoops, but converting
3348 out of range floating point values to integers *is* undefined behaviour,
3349 and it is starting to bite.
3350*/
3351#ifndef CAST_INLINE
65202027 3352#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3353#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3354#define I_V(what) (cast_iv((NV)(what)))
3355#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3356#else
3357#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3358 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3359 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3360#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3361 : ((n) < U32_MAX_P1 ? (U32) (n) \
3362 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3363#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3364 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3365 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3366#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3367 : ((n) < UV_MAX_P1 ? (UV) (n) \
3368 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3369#endif
3370
3371#define U_S(what) ((U16)U_32(what))
3372#define U_I(what) ((unsigned int)U_32(what))
3373#define U_L(what) U_32(what)
ed6116ce 3374
2d4389e4
JH
3375/* These do not care about the fractional part, only about the range. */
3376#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3377#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3378
25da4f38
IZ
3379/* Used with UV/IV arguments: */
3380 /* XXXX: need to speed it up */
3381#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3382#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3383
352d5a3a
LW
3384#ifndef MAXSYSFD
3385# define MAXSYSFD 2
3386#endif
ee0007ab 3387
79072805 3388#ifndef __cplusplus
27da23d5 3389#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3390Uid_t getuid (void);
3391Uid_t geteuid (void);
3392Gid_t getgid (void);
3393Gid_t getegid (void);
79072805 3394#endif
e1caacb4 3395#endif
8d063cd8 3396
0c30d9ec 3397#ifndef Perl_debug_log
bf49b057
GS
3398# define Perl_debug_log PerlIO_stderr()
3399#endif
3400
3401#ifndef Perl_error_log
3402# define Perl_error_log (PL_stderrgv \
6b78add2 3403 && isGV(PL_stderrgv) \
01bb7c6d 3404 && GvIOp(PL_stderrgv) \
42de951c 3405 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3406 ? IoOFP(GvIOp(PL_stderrgv)) \
3407 : PerlIO_stderr())
0c30d9ec 3408#endif
3967c732 3409
aea4f609
DM
3410
3411#define DEBUG_p_FLAG 0x00000001 /* 1 */
3412#define DEBUG_s_FLAG 0x00000002 /* 2 */
3413#define DEBUG_l_FLAG 0x00000004 /* 4 */
3414#define DEBUG_t_FLAG 0x00000008 /* 8 */
3415#define DEBUG_o_FLAG 0x00000010 /* 16 */
3416#define DEBUG_c_FLAG 0x00000020 /* 32 */
3417#define DEBUG_P_FLAG 0x00000040 /* 64 */
3418#define DEBUG_m_FLAG 0x00000080 /* 128 */
3419#define DEBUG_f_FLAG 0x00000100 /* 256 */
3420#define DEBUG_r_FLAG 0x00000200 /* 512 */
3421#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3422#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3423/* U is reserved for Unofficial, exploratory hacking */
3424#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3425#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3426#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3427#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3428#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3429#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3430#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3431#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3432#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3433#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3434#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3435#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3436#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
3437
3438#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3439#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3440 that something was done? */
aea4f609 3441
bd16a5f0
IZ
3442# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3443# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3444# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3445# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3446# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3447# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3448# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3449# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3450# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3451# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3452# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3453# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3454# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3455# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3456# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3457# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3458# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3459# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3460# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3461# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3462# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3463# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3464# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3465# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3466# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3467
3967c732 3468#ifdef DEBUGGING
aea4f609 3469
bd16a5f0
IZ
3470# define DEBUG_p_TEST DEBUG_p_TEST_
3471# define DEBUG_s_TEST DEBUG_s_TEST_
3472# define DEBUG_l_TEST DEBUG_l_TEST_
3473# define DEBUG_t_TEST DEBUG_t_TEST_
3474# define DEBUG_o_TEST DEBUG_o_TEST_
3475# define DEBUG_c_TEST DEBUG_c_TEST_
3476# define DEBUG_P_TEST DEBUG_P_TEST_
3477# define DEBUG_m_TEST DEBUG_m_TEST_
3478# define DEBUG_f_TEST DEBUG_f_TEST_
3479# define DEBUG_r_TEST DEBUG_r_TEST_
3480# define DEBUG_x_TEST DEBUG_x_TEST_
3481# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3482# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3483# define DEBUG_H_TEST DEBUG_H_TEST_
3484# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3485# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
3486# define DEBUG_D_TEST DEBUG_D_TEST_
3487# define DEBUG_S_TEST DEBUG_S_TEST_
3488# define DEBUG_T_TEST DEBUG_T_TEST_
3489# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3490# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3491# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3492# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3493# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3494# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3495
488b0c7a
JH
3496# define PERL_DEB(a) a
3497# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3498# define DEBUG_p(a) if (DEBUG_p_TEST) a
3499# define DEBUG_s(a) if (DEBUG_s_TEST) a
3500# define DEBUG_l(a) if (DEBUG_l_TEST) a
3501# define DEBUG_t(a) if (DEBUG_t_TEST) a
3502# define DEBUG_o(a) if (DEBUG_o_TEST) a
3503# define DEBUG_c(a) if (DEBUG_c_TEST) a
3504# define DEBUG_P(a) if (DEBUG_P_TEST) a
3505
969058bb
VK
3506 /* Temporarily turn off memory debugging in case the a
3507 * does memory allocation, either directly or indirectly. */
acfe0abc 3508# define DEBUG_m(a) \
0b250b9e 3509 STMT_START { \
aea4f609 3510 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3511 } STMT_END
aea4f609 3512
5f80b19c
AMS
3513# define DEBUG__(t, a) \
3514 STMT_START { \
3515 if (t) STMT_START {a;} STMT_END; \
3516 } STMT_END
3517
3518# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3519#ifndef PERL_EXT_RE_BUILD
5f80b19c 3520# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3521#else
3522# define DEBUG_r(a) STMT_START {a;} STMT_END
3523#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3524# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3525# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3526# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3527# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3528# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3529# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3530# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3531
3db8f154 3532# define DEBUG_S(a)
aea4f609 3533
5f80b19c
AMS
3534# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3535# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3536# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3537# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3538# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3539# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3540
3541#else /* DEBUGGING */
3542
3543# define DEBUG_p_TEST (0)
3544# define DEBUG_s_TEST (0)
3545# define DEBUG_l_TEST (0)
3546# define DEBUG_t_TEST (0)
3547# define DEBUG_o_TEST (0)
3548# define DEBUG_c_TEST (0)
3549# define DEBUG_P_TEST (0)
3550# define DEBUG_m_TEST (0)
3551# define DEBUG_f_TEST (0)
3552# define DEBUG_r_TEST (0)
3553# define DEBUG_x_TEST (0)
3554# define DEBUG_u_TEST (0)
88d2d28a 3555# define DEBUG_U_TEST (0)
aea4f609
DM
3556# define DEBUG_H_TEST (0)
3557# define DEBUG_X_TEST (0)
dd2155a4 3558# define DEBUG_Xv_TEST (0)
aea4f609
DM
3559# define DEBUG_D_TEST (0)
3560# define DEBUG_S_TEST (0)
3561# define DEBUG_T_TEST (0)
04932ac8 3562# define DEBUG_R_TEST (0)
1045810a 3563# define DEBUG_J_TEST (0)
d6721266 3564# define DEBUG_v_TEST (0)
46187eeb 3565# define DEBUG_C_TEST (0)
ecae49c0
NC
3566# define DEBUG_A_TEST (0)
3567# define DEBUG_q_TEST (0)
aea4f609 3568
488b0c7a
JH
3569# define PERL_DEB(a)
3570# define PERL_DEBUG(a)
aea4f609
DM
3571# define DEBUG_p(a)
3572# define DEBUG_s(a)
3573# define DEBUG_l(a)
3574# define DEBUG_t(a)
3575# define DEBUG_o(a)
3576# define DEBUG_c(a)
3577# define DEBUG_P(a)
3578# define DEBUG_m(a)
3579# define DEBUG_f(a)
3580# define DEBUG_r(a)
3581# define DEBUG_x(a)
3582# define DEBUG_u(a)
88d2d28a 3583# define DEBUG_U(a)
aea4f609
DM
3584# define DEBUG_H(a)
3585# define DEBUG_X(a)
dd2155a4 3586# define DEBUG_Xv(a)
aea4f609
DM
3587# define DEBUG_D(a)
3588# define DEBUG_S(a)
3589# define DEBUG_T(a)
04932ac8 3590# define DEBUG_R(a)
d6721266 3591# define DEBUG_v(a)
46187eeb 3592# define DEBUG_C(a)
ecae49c0
NC
3593# define DEBUG_A(a)
3594# define DEBUG_q(a)
aea4f609
DM
3595#endif /* DEBUGGING */
3596
3597
b4ab917c
DM
3598#define DEBUG_SCOPE(where) \
3599 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3600 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM
3601
3602
3603
3604
d1be9408 3605/* These constants should be used in preference to raw characters
14befaf4
DM
3606 * when using magic. Note that some perl guts still assume
3607 * certain character properties of these constants, namely that
3608 * isUPPER() and toLOWER() may do useful mappings.
3609 *
3610 * Update the magic_names table in dump.c when adding/amending these
3611 */
3612
3613#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3614#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3615#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3616#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3617#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
81714fb9
YO
3618#define PERL_MAGIC_regdata_names '+' /* Regex named capture buffer hash
3619 (%+ support) */
14befaf4
DM
3620#define PERL_MAGIC_regdata 'D' /* Regex match position data
3621 (@+ and @- vars) */
3622#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3623#define PERL_MAGIC_env 'E' /* %ENV hash */
3624#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3625#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3626#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC
3627#define PERL_MAGIC_hints 'H' /* %^H hash */
3628#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM
3629#define PERL_MAGIC_isa 'I' /* @ISA array */
3630#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3631#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3632#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3633#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3634#define PERL_MAGIC_mutex 'm' /* for lock op */
3635#define PERL_MAGIC_shared 'N' /* Shared between threads */
3636#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3637#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3638#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3639#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3640#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3641#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3642#define PERL_MAGIC_sig 'S' /* %SIG hash */
3643#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3644#define PERL_MAGIC_taint 't' /* Taintedness */
3645#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3646#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3647#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3648#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3649#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3650#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3651#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3652 smart parameter vivification */
14befaf4
DM
3653#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3654#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3655#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3656#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3657#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3658#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM
3659#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3660
3661
a6e633de 3662#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3663#define assert(what) PERL_DEB( \
3664 ((what) ? ((void) 0) : \
67eb4d30 3665 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3666 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3667 (void) 0)))
a446a88f 3668#endif
8d063cd8 3669
450a55e4 3670struct ufuncs {
24f81a43
DM
3671 I32 (*uf_val)(pTHX_ IV, SV*);
3672 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3673 IV uf_index;
450a55e4
LW
3674};
3675
14befaf4 3676/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3677 * XS code wanting to be backward compatible can do something
3678 * like the following:
c745e42c 3679
24f81a43 3680#ifndef PERL_MG_UFUNC
24f81a43
DM
3681#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3682#endif
3683
3684static PERL_MG_UFUNC(foo_get, index, val)
3685{
3686 sv_setsv(val, ...);
3687 return TRUE;
3688}
3689
3690-- Doug MacEachern
3691
3692*/
3693
fc9c74e6 3694#ifndef PERL_MG_UFUNC
24f81a43 3695#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3696#endif
24f81a43 3697
fe14fcc3 3698/* Fix these up for __STDC__ */
68dc0745 3699#ifndef DONT_DECLARE_STD
20ce7b12 3700char *mktemp (char*);
37bd1396 3701#ifndef atof
20ce7b12 3702double atof (const char*);
a0d0e21e 3703#endif
37bd1396 3704#endif
79072805 3705
352d5a3a 3706#ifndef STANDARD_C
fe14fcc3 3707/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3708Time_t time();
8d063cd8 3709struct tm *gmtime(), *localtime();
092bebab 3710#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3711char *(strchr)(), *(strrchr)();
3712char *(strcpy)(), *(strcat)();
3713#else
93a17b20 3714char *strchr(), *strrchr();
378cc40b 3715char *strcpy(), *strcat();
9d116dd7 3716#endif
352d5a3a 3717#endif /* ! STANDARD_C */
8d063cd8 3718
79072805
LW
3719
3720#ifdef I_MATH
3721# include <math.h>
3722#else
32f822de 3723START_EXTERN_C
20ce7b12
GS
3724 double exp (double);
3725 double log (double);
3726 double log10 (double);
3727 double sqrt (double);
3728 double frexp (double,int*);
3729 double ldexp (double,int);
3730 double modf (double,double*);
3731 double sin (double);
3732 double cos (double);
3733 double atan2 (double,double);
3734 double pow (double,double);
32f822de 3735END_EXTERN_C
79072805
LW
3736#endif
3737
aa8b85de
JH
3738#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3739# define NV_INF LDBL_INFINITY
3740#endif
3741#if !defined(NV_INF) && defined(DBL_INFINITY)
3742# define NV_INF (NV)DBL_INFINITY
3743#endif
3744#if !defined(NV_INF) && defined(INFINITY)
3745# define NV_INF (NV)INFINITY
3746#endif
3747#if !defined(NV_INF) && defined(INF)
3748# define NV_INF (NV)INF
3749#endif
3750#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3751# define NV_INF (NV)HUGE_VALL
3752#endif
3753#if !defined(NV_INF) && defined(HUGE_VAL)
3754# define NV_INF (NV)HUGE_VAL
3755#endif
3756
3757#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3758# if !defined(NV_NAN) && defined(LDBL_NAN)
3759# define NV_NAN LDBL_NAN
3760# endif
3761# if !defined(NV_NAN) && defined(LDBL_QNAN)
3762# define NV_NAN LDBL_QNAN
3763# endif
3764# if !defined(NV_NAN) && defined(LDBL_SNAN)
3765# define NV_NAN LDBL_SNAN
3766# endif
3767#endif
3768#if !defined(NV_NAN) && defined(DBL_NAN)
3769# define NV_NAN (NV)DBL_NAN
3770#endif
3771#if !defined(NV_NAN) && defined(DBL_QNAN)
3772# define NV_NAN (NV)DBL_QNAN
3773#endif
3774#if !defined(NV_NAN) && defined(DBL_SNAN)
3775# define NV_NAN (NV)DBL_SNAN
3776#endif
3777#if !defined(NV_NAN) && defined(QNAN)
3778# define NV_NAN (NV)QNAN
3779#endif
3780#if !defined(NV_NAN) && defined(SNAN)
3781# define NV_NAN (NV)SNAN
3782#endif
3783#if !defined(NV_NAN) && defined(NAN)
3784# define NV_NAN (NV)NAN
3785#endif
3786
a0d0e21e 3787#ifndef __cplusplus
8f1f23e8 3788# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3789char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3790# else
fd8cd3a3 3791# if !defined(WIN32) && !defined(VMS)
10bc17b6 3792#ifndef crypt
20ce7b12 3793char *crypt (const char*, const char*);
10bc17b6 3794#endif
5014db98 3795# endif /* !WIN32 */
8f1f23e8 3796# endif /* !NeXT && !__NeXT__ */
26618a56
GS
3797# ifndef DONT_DECLARE_STD
3798# ifndef getenv
20ce7b12 3799char *getenv (const char*);
26618a56 3800# endif /* !getenv */
28ca6303 3801# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3802# ifdef _FILE_OFFSET_BITS
28ca6303 3803# if _FILE_OFFSET_BITS == 64
20ce7b12 3804Off_t lseek (int,Off_t,int);
0fc67700
JH