This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Re: [perl #41491] Incorrect regexp warning.
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
7272f7c1 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 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 198
f8149455 199#define CALLREGCOMP(exp, xend, pm) Perl_pregcomp(aTHX_ (exp),(xend),(pm))
f9f4320a 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))
f8149455 211
de8c5301 212#define CALLREG_AS_STR(mg,lp,flags,haseval) \
f8149455 213 Perl_reg_stringify(aTHX_ (mg), (lp), (flags), (haseval))
de8c5301 214#define CALLREG_STRINGIFY(mg,lp,flags) CALLREG_AS_STR(mg,lp,flags,0)
f8149455
YO
215
216#define CALLREGFREE(prog) \
217 Perl_pregfree(aTHX_ (prog))
218
219#define CALLREGFREE_PVT(prog) \
220 if(prog) CALL_FPTR((prog)->engine->free)(aTHX_ (prog))
221
f9f4320a
YO
222#if defined(USE_ITHREADS)
223#define CALLREGDUPE(prog,param) \
f8149455
YO
224 Perl_re_dup(aTHX_ (prog),(param))
225
226#define CALLREGDUPE_PVT(prog,param) \
f2f78491 227 (prog ? CALL_FPTR((prog)->engine->dupe)(aTHX_ (prog),(param)) \
f9f4320a
YO
228 : (REGEXP *)NULL)
229#endif
14dd3ad8 230
a20207d7 231
bcdf7404 232
a20207d7
YO
233
234
5ba4cab2
SH
235/*
236 * Because of backward compatibility reasons the PERL_UNUSED_DECL
237 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
238 *
239 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 240 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH
241 * marking unused variables (they need e.g. a #pragma) and therefore
242 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
243 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
244 *
245 */
1266ad8c 246
9969cdde 247#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 248# ifdef __cplusplus
5ba4cab2 249# define PERL_UNUSED_DECL
5b2bd0a5 250# else
5ba4cab2 251# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS
252# endif
253#endif
44dbb695 254
5b2bd0a5 255#ifndef PERL_UNUSED_DECL
34659ad4 256# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 257# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 258# else
5ba4cab2 259# define PERL_UNUSED_DECL
b79c357a 260# endif
5b2bd0a5
AMS
261#endif
262
349b520e
DM
263/* gcc -Wall:
264 * for silencing unused variables that are actually used most of the time,
a0288114 265 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 266 */
53c1dcc0 267#ifndef PERL_UNUSED_ARG
c99ffe5e 268# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 269# include <note.h>
53c1dcc0 270# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 271# else
53c1dcc0 272# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL
273# endif
274#endif
53c1dcc0
AL
275#ifndef PERL_UNUSED_VAR
276# define PERL_UNUSED_VAR(x) ((void)x)
277#endif
ad73156c 278
96a5add6
AL
279#ifdef USE_ITHREADS
280# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
281#else
282# define PERL_UNUSED_CONTEXT
283#endif
284
6f207bd3 285#define NOOP /*EMPTY*/(void)0
6b484a99
JH
286#if !defined(HASATTRIBUTE_UNUSED) && defined(__cplusplus)
287#define dNOOP /*EMPTY*/(void)0 /* Older g++ has no __attribute((unused))__ */
288#else
6f207bd3 289#define dNOOP extern int /*@unused@*/ Perl___notused PERL_UNUSED_DECL
6b484a99 290#endif
71be2cbc 291
0cb96387 292#ifndef pTHX
e8dda941
JD
293/* Don't bother defining tTHX and sTHX; using them outside
294 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
295 */
0cb96387
GS
296# define pTHX void
297# define pTHX_
0cb96387
GS
298# define aTHX
299# define aTHX_
0cb96387
GS
300# define dTHXa(a) dNOOP
301# define dTHX dNOOP
894356b3
GS
302# define pTHX_1 1
303# define pTHX_2 2
304# define pTHX_3 3
305# define pTHX_4 4
3d42dc86
RGS
306# define pTHX_5 5
307# define pTHX_6 6
a3b680e6
AL
308# define pTHX_7 7
309# define pTHX_8 8
310# define pTHX_9 9
0cb96387
GS
311#endif
312
27da23d5
JH
313#ifndef dVAR
314# define dVAR dNOOP
315#endif
316
b4f7f263
GS
317/* these are only defined for compatibility; should not be used internally */
318#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS
319# define pTHXo pTHX
320# define pTHXo_ pTHX_
0cb96387
GS
321# define aTHXo aTHX
322# define aTHXo_ aTHX_
c5be433b 323# define dTHXo dTHX
71d280e3 324# define dTHXoa(x) dTHXa(x)
0cb96387
GS
325#endif
326
327#ifndef pTHXx
328# define pTHXx register PerlInterpreter *my_perl
329# define pTHXx_ pTHXx,
0cb96387
GS
330# define aTHXx my_perl
331# define aTHXx_ aTHXx,
c5be433b 332# define dTHXx dTHX
22c35a8c 333#endif
71be2cbc 334
1de7c2ac
GS
335/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
336 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
337 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
338#ifdef PERL_IMPLICIT_SYS
27da23d5
JH
339# ifdef PERL_GLOBAL_STRUCT_PRIVATE
340# define dTHXs dVAR; dTHX
341# else
342# define dTHXs dTHX
343# endif
1de7c2ac 344#else
27da23d5
JH
345# ifdef PERL_GLOBAL_STRUCT_PRIVATE
346# define dTHXs dVAR
347# else
348# define dTHXs dNOOP
349# endif
1de7c2ac
GS
350#endif
351
326b05e3
GS
352#undef START_EXTERN_C
353#undef END_EXTERN_C
354#undef EXTERN_C
32f822de
GS
355#ifdef __cplusplus
356# define START_EXTERN_C extern "C" {
357# define END_EXTERN_C }
358# define EXTERN_C extern "C"
359#else
d460ef45
NIS
360# define START_EXTERN_C
361# define END_EXTERN_C
73c4f7a1 362# define EXTERN_C extern
32f822de
GS
363#endif
364
27da23d5
JH
365/* Some platforms require marking function declarations
366 * for them to be exportable. Used in perlio.h, proto.h
367 * is handled either by the makedef.pl or by defining the
368 * PERL_CALLCONV to be something special. See also the
369 * definition of XS() in XSUB.h. */
370#ifndef PERL_EXPORT_C
a0c21aa1
JH
371# ifdef __cplusplus
372# define PERL_EXPORT_C extern "C"
373# else
374# define PERL_EXPORT_C extern
375# endif
27da23d5
JH
376#endif
377#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH
378# ifdef __cplusplus
379# define PERL_XS_EXPORT_C extern "C"
380# else
381# define PERL_XS_EXPORT_C
382# endif
27da23d5
JH
383#endif
384
462e5cf6
MB
385#ifdef OP_IN_REGISTER
386# ifdef __GNUC__
387# define stringify_immed(s) #s
388# define stringify(s) stringify_immed(s)
d1ca3daa 389register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB
390# endif
391#endif
392
e5afc1ae 393/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab
JH
394 * g++ allows them but seems to have problems with them
395 * (insane errors ensue). */
396#if defined(PERL_GCC_PEDANTIC) || (defined(__GNUC__) && defined(__cplusplus))
5b692037 397# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS
398# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
399# endif
5dc8bdac
JH
400#endif
401
5b692037
JH
402#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
403# ifndef PERL_USE_GCC_BRACE_GROUPS
404# define PERL_USE_GCC_BRACE_GROUPS
405# endif
406#endif
407
728e2803
PP
408/*
409 * STMT_START { statements; } STMT_END;
410 * can be used as a single statement, as in
411 * if (x) STMT_START { ... } STMT_END; else ...
412 *
413 * Trying to select a version that gives no warnings...
414 */
415#if !(defined(STMT_START) && defined(STMT_END))
5b692037 416# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 417# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
418# define STMT_END )
419# else
420 /* Now which other defined()s do we need here ??? */
93189314 421# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803
PP
422# define STMT_START if (1)
423# define STMT_END else (void)0
424# else
425# define STMT_START do
426# define STMT_END while (0)
427# endif
428# endif
429#endif
430
0cb96387 431#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 432#define WITH_THR(s) WITH_THX(s)
ea0efc06 433
d6f9c181
JH
434#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
435# define BYTEORDER 0x1234
79072805
LW
436#endif
437
438/* Overall memory policy? */
439#ifndef CONSERVATIVE
440# define LIBERAL 1
441#endif
442
8ada0baa
JH
443#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
444#define ASCIIish
445#else
446#undef ASCIIish
447#endif
448
79072805
LW
449/*
450 * The following contortions are brought to you on behalf of all the
451 * standards, semi-standards, de facto standards, not-so-de-facto standards
452 * of the world, as well as all the other botches anyone ever thought of.
453 * The basic theory is that if we work hard enough here, the rest of the
454 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
455 */
ac58e20f 456
ee0007ab 457/* define this once if either system, instead of cluttering up the src */
2986a63f 458#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
459#define DOSISH 1
460#endif
461
fb38d079 462#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW
463# define STANDARD_C 1
464#endif
465
9969cdde 466#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
467# define DONT_DECLARE_STD 1
468#endif
469
352d5a3a 470#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 471# ifdef __cplusplus
cb69f87a 472# define VOL /* to temporarily suppress warnings */
79072805
LW
473# else
474# define VOL volatile
475# endif
663a0e37 476#else
79072805 477# define VOL
663a0e37
LW
478#endif
479
3280af22
NIS
480#define TAINT (PL_tainted = TRUE)
481#define TAINT_NOT (PL_tainted = FALSE)
482#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
483#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 484#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 485
d460ef45 486/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
487 defines move there? If so, I could simplify this a lot. --AD 9/96.
488*/
489/* Process group stuff changed from traditional BSD to POSIX.
490 perlfunc.pod documents the traditional BSD-style syntax, so we'll
491 try to preserve that, if possible.
492*/
493#ifdef HAS_SETPGID
494# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 495#else
a6e633de
PP
496# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
497# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
498# else
499# ifdef HAS_SETPGRP2 /* DG/UX */
500# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
501# endif
502# endif
503#endif
504#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
505# define HAS_SETPGRP /* Well, effectively it does . . . */
506#endif
507
508/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
509 our life easier :-) so we'll try it.
510*/
511#ifdef HAS_GETPGID
512# define BSD_GETPGRP(pid) getpgid((pid))
513#else
514# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
515# define BSD_GETPGRP(pid) getpgrp((pid))
516# else
517# ifdef HAS_GETPGRP2 /* DG/UX */
518# define BSD_GETPGRP(pid) getpgrp2((pid))
519# endif
520# endif
521#endif
522#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
523# define HAS_GETPGRP /* Well, effectively it does . . . */
524#endif
525
d460ef45 526/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
527 have different behaviors, but perl.h used to define USE_BSDPGRP
528 (prior to 5.003_05) so some extension might depend on it.
529*/
530#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
531# ifndef USE_BSDPGRP
532# define USE_BSDPGRP
533# endif
663a0e37
LW
534#endif
535
8ac5a1fe
MH
536/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
537 pthread.h must be included before all other header files.
538*/
3db8f154 539#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
540# include <pthread.h>
541#endif
542
760ac839
LW
543#ifndef _TYPES_ /* If types.h defines this it's easy. */
544# ifndef major /* Does everyone's types.h define this? */
545# include <sys/types.h>
c07a80fd 546# endif
663a0e37
LW
547#endif
548
760ac839
LW
549#ifdef __cplusplus
550# ifndef I_STDARG
551# define I_STDARG 1
552# endif
553#endif
554
555#ifdef I_STDARG
556# include <stdarg.h>
557#else
558# ifdef I_VARARGS
559# include <varargs.h>
560# endif
561#endif
562
4633a7c4 563#ifdef USE_NEXT_CTYPE
0c30d9ec 564
092bebab
JH
565#if NX_CURRENT_COMPILER_RELEASE >= 500
566# include <bsd/ctypes.h>
567#else
568# if NX_CURRENT_COMPILER_RELEASE >= 400
569# include <objc/NXCType.h>
570# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
571# include <appkit/NXCType.h>
572# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
573#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
574
575#else /* !USE_NEXT_CTYPE */
fe14fcc3 576#include <ctype.h>
0c30d9ec 577#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
578
579#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
580#undef METHOD
a0d0e21e
LW
581#endif
582
12ae5dfc
JH
583#ifdef PERL_MICRO
584# define NO_LOCALE
585#endif
586
4633a7c4 587#ifdef I_LOCALE
36477c24 588# include <locale.h>
4633a7c4
LW
589#endif
590
36477c24
PP
591#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
592# define USE_LOCALE
593# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
594 && defined(HAS_STRXFRM)
595# define USE_LOCALE_COLLATE
596# endif
597# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
598# define USE_LOCALE_CTYPE
599# endif
600# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
601# define USE_LOCALE_NUMERIC
602# endif
603#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 604
fe14fcc3 605#include <setjmp.h>
79072805 606
a0d0e21e 607#ifdef I_SYS_PARAM
79072805
LW
608# ifdef PARAM_NEEDS_TYPES
609# include <sys/types.h>
610# endif
611# include <sys/param.h>
352d5a3a 612#endif
79072805 613
79072805 614/* Use all the "standard" definitions? */
a0d0e21e 615#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 616# include <stdlib.h>
ff68c719 617#endif
03a14243 618
3f270f98
JH
619/* If this causes problems, set i_unistd=undef in the hint file. */
620#ifdef I_UNISTD
621# include <unistd.h>
622#endif
623
9969cdde 624#ifdef __SYMBIAN32__
27da23d5
JH
625# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
626#endif
627
7114a2d2 628#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 629EXTERN_C int syscall(int, ...);
2ef53570
JH
630#endif
631
7114a2d2 632#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 633EXTERN_C int usleep(unsigned int);
2ef53570
JH
634#endif
635
9a34ef1d
GS
636#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
637# define MYSWAP
638#endif
639
1109a392
MHM
640#ifdef PERL_CORE
641
642/* macros for correct constant construction */
643# if INTSIZE >= 2
644# define U16_CONST(x) ((U16)x##U)
645# else
646# define U16_CONST(x) ((U16)x##UL)
647# endif
648
649# if INTSIZE >= 4
650# define U32_CONST(x) ((U32)x##U)
651# else
652# define U32_CONST(x) ((U32)x##UL)
653# endif
654
655# ifdef HAS_QUAD
656# if INTSIZE >= 8
657# define U64_CONST(x) ((U64)x##U)
658# elif LONGSIZE >= 8
659# define U64_CONST(x) ((U64)x##UL)
660# elif QUADKIND == QUAD_IS_LONG_LONG
661# define U64_CONST(x) ((U64)x##ULL)
662# else /* best guess we can make */
663# define U64_CONST(x) ((U64)x##UL)
664# endif
665# endif
666
667/* byte-swapping functions for big-/little-endian conversion */
668# define _swab_16_(x) ((U16)( \
669 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
670 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
671
672# define _swab_32_(x) ((U32)( \
673 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
674 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
675 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
676 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
677
678# ifdef HAS_QUAD
679# define _swab_64_(x) ((U64)( \
680 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
681 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
682 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
683 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
684 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
685 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
686 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
687 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
688# endif
689
690/*----------------------------------------------------------------------------*/
691# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
692/*----------------------------------------------------------------------------*/
693# define my_htole16(x) (x)
694# define my_letoh16(x) (x)
695# define my_htole32(x) (x)
696# define my_letoh32(x) (x)
697# define my_htobe16(x) _swab_16_(x)
698# define my_betoh16(x) _swab_16_(x)
699# define my_htobe32(x) _swab_32_(x)
700# define my_betoh32(x) _swab_32_(x)
701# ifdef HAS_QUAD
702# define my_htole64(x) (x)
703# define my_letoh64(x) (x)
704# define my_htobe64(x) _swab_64_(x)
705# define my_betoh64(x) _swab_64_(x)
706# endif
707# define my_htoles(x) (x)
708# define my_letohs(x) (x)
709# define my_htolei(x) (x)
710# define my_letohi(x) (x)
711# define my_htolel(x) (x)
712# define my_letohl(x) (x)
713# if SHORTSIZE == 1
714# define my_htobes(x) (x)
715# define my_betohs(x) (x)
716# elif SHORTSIZE == 2
717# define my_htobes(x) _swab_16_(x)
718# define my_betohs(x) _swab_16_(x)
719# elif SHORTSIZE == 4
720# define my_htobes(x) _swab_32_(x)
721# define my_betohs(x) _swab_32_(x)
722# elif SHORTSIZE == 8
723# define my_htobes(x) _swab_64_(x)
724# define my_betohs(x) _swab_64_(x)
725# else
726# define PERL_NEED_MY_HTOBES
727# define PERL_NEED_MY_BETOHS
728# endif
729# if INTSIZE == 1
730# define my_htobei(x) (x)
731# define my_betohi(x) (x)
732# elif INTSIZE == 2
733# define my_htobei(x) _swab_16_(x)
734# define my_betohi(x) _swab_16_(x)
735# elif INTSIZE == 4
736# define my_htobei(x) _swab_32_(x)
737# define my_betohi(x) _swab_32_(x)
738# elif INTSIZE == 8
739# define my_htobei(x) _swab_64_(x)
740# define my_betohi(x) _swab_64_(x)
741# else
742# define PERL_NEED_MY_HTOBEI
743# define PERL_NEED_MY_BETOHI
744# endif
745# if LONGSIZE == 1
746# define my_htobel(x) (x)
747# define my_betohl(x) (x)
748# elif LONGSIZE == 2
749# define my_htobel(x) _swab_16_(x)
750# define my_betohl(x) _swab_16_(x)
751# elif LONGSIZE == 4
752# define my_htobel(x) _swab_32_(x)
753# define my_betohl(x) _swab_32_(x)
754# elif LONGSIZE == 8
755# define my_htobel(x) _swab_64_(x)
756# define my_betohl(x) _swab_64_(x)
757# else
758# define PERL_NEED_MY_HTOBEL
759# define PERL_NEED_MY_BETOHL
760# endif
761# define my_htolen(p,n) NOOP
762# define my_letohn(p,n) NOOP
763# define my_htoben(p,n) my_swabn(p,n)
764# define my_betohn(p,n) my_swabn(p,n)
765/*----------------------------------------------------------------------------*/
766# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
767/*----------------------------------------------------------------------------*/
768# define my_htobe16(x) (x)
769# define my_betoh16(x) (x)
770# define my_htobe32(x) (x)
771# define my_betoh32(x) (x)
772# define my_htole16(x) _swab_16_(x)
773# define my_letoh16(x) _swab_16_(x)
774# define my_htole32(x) _swab_32_(x)
775# define my_letoh32(x) _swab_32_(x)
776# ifdef HAS_QUAD
777# define my_htobe64(x) (x)
778# define my_betoh64(x) (x)
779# define my_htole64(x) _swab_64_(x)
780# define my_letoh64(x) _swab_64_(x)
781# endif
782# define my_htobes(x) (x)
783# define my_betohs(x) (x)
784# define my_htobei(x) (x)
785# define my_betohi(x) (x)
786# define my_htobel(x) (x)
787# define my_betohl(x) (x)
788# if SHORTSIZE == 1
789# define my_htoles(x) (x)
790# define my_letohs(x) (x)
791# elif SHORTSIZE == 2
792# define my_htoles(x) _swab_16_(x)
793# define my_letohs(x) _swab_16_(x)
794# elif SHORTSIZE == 4
795# define my_htoles(x) _swab_32_(x)
796# define my_letohs(x) _swab_32_(x)
797# elif SHORTSIZE == 8
798# define my_htoles(x) _swab_64_(x)
799# define my_letohs(x) _swab_64_(x)
800# else
801# define PERL_NEED_MY_HTOLES
802# define PERL_NEED_MY_LETOHS
803# endif
804# if INTSIZE == 1
805# define my_htolei(x) (x)
806# define my_letohi(x) (x)
807# elif INTSIZE == 2
808# define my_htolei(x) _swab_16_(x)
809# define my_letohi(x) _swab_16_(x)
810# elif INTSIZE == 4
811# define my_htolei(x) _swab_32_(x)
812# define my_letohi(x) _swab_32_(x)
813# elif INTSIZE == 8
814# define my_htolei(x) _swab_64_(x)
815# define my_letohi(x) _swab_64_(x)
816# else
817# define PERL_NEED_MY_HTOLEI
818# define PERL_NEED_MY_LETOHI
819# endif
820# if LONGSIZE == 1
821# define my_htolel(x) (x)
822# define my_letohl(x) (x)
823# elif LONGSIZE == 2
824# define my_htolel(x) _swab_16_(x)
825# define my_letohl(x) _swab_16_(x)
826# elif LONGSIZE == 4
827# define my_htolel(x) _swab_32_(x)
828# define my_letohl(x) _swab_32_(x)
829# elif LONGSIZE == 8
830# define my_htolel(x) _swab_64_(x)
831# define my_letohl(x) _swab_64_(x)
832# else
833# define PERL_NEED_MY_HTOLEL
834# define PERL_NEED_MY_LETOHL
835# endif
836# define my_htolen(p,n) my_swabn(p,n)
837# define my_letohn(p,n) my_swabn(p,n)
838# define my_htoben(p,n) NOOP
839# define my_betohn(p,n) NOOP
840/*----------------------------------------------------------------------------*/
841# else /* all other byte-orders */
842/*----------------------------------------------------------------------------*/
843# define PERL_NEED_MY_HTOLE16
844# define PERL_NEED_MY_LETOH16
845# define PERL_NEED_MY_HTOBE16
846# define PERL_NEED_MY_BETOH16
847# define PERL_NEED_MY_HTOLE32
848# define PERL_NEED_MY_LETOH32
849# define PERL_NEED_MY_HTOBE32
850# define PERL_NEED_MY_BETOH32
851# ifdef HAS_QUAD
852# define PERL_NEED_MY_HTOLE64
853# define PERL_NEED_MY_LETOH64
854# define PERL_NEED_MY_HTOBE64
855# define PERL_NEED_MY_BETOH64
856# endif
857# define PERL_NEED_MY_HTOLES
858# define PERL_NEED_MY_LETOHS
859# define PERL_NEED_MY_HTOBES
860# define PERL_NEED_MY_BETOHS
861# define PERL_NEED_MY_HTOLEI
862# define PERL_NEED_MY_LETOHI
863# define PERL_NEED_MY_HTOBEI
864# define PERL_NEED_MY_BETOHI
865# define PERL_NEED_MY_HTOLEL
866# define PERL_NEED_MY_LETOHL
867# define PERL_NEED_MY_HTOBEL
868# define PERL_NEED_MY_BETOHL
869/*----------------------------------------------------------------------------*/
870# endif /* end of byte-order macros */
871/*----------------------------------------------------------------------------*/
872
9c17f24a
NC
873/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
874 at least on FreeBSD. YMMV, so experiment. */
875#ifndef PERL_ARENA_SIZE
876#define PERL_ARENA_SIZE 4080
877#endif
878
1109a392
MHM
879#endif /* PERL_CORE */
880
bdf3085f
NC
881/* We no longer default to creating a new SV for GvSV.
882 Do this before embed. */
883#ifndef PERL_CREATE_GVSV
7459f06b
NC
884# ifndef PERL_DONT_CREATE_GVSV
885# define PERL_DONT_CREATE_GVSV
886# endif
bdf3085f
NC
887#endif
888
ca0c25f6
NC
889#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
890#define PERL_USES_PL_PIDSTATUS
891#endif
892
a62746fa
RGS
893#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
894#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
895#endif
896
66a93824
NIS
897/* Cannot include embed.h here on Win32 as win32.h has not
898 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
899 */
96e176bf 900#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9 901# include "embed.h"
eb8433b7
NC
902# ifndef PERL_MAD
903# undef op_getmad
b3f24c00 904# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 905# endif
cea2e8a9
GS
906#endif
907
c31fac66
GS
908#define MEM_SIZE Size_t
909
1936d2a7
NC
910/* Round all values passed to malloc up, by default to a multiple of
911 sizeof(size_t)
912*/
913#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
914#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
915#endif
916
51371543
GS
917#if defined(STANDARD_C) && defined(I_STDDEF)
918# include <stddef.h>
919# define STRUCT_OFFSET(s,m) offsetof(s,m)
920#else
921# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
922#endif
923
9969cdde 924#ifndef __SYMBIAN32__
27da23d5
JH
925# if defined(I_STRING) || defined(__cplusplus)
926# include <string.h>
927# else
928# include <strings.h>
929# endif
51371543
GS
930#endif
931
55497cff
PP
932/* This comes after <stdlib.h> so we don't try to change the standard
933 * library prototypes; we'll use our own in proto.h instead. */
03a14243 934
4633a7c4 935#ifdef MYMALLOC
86058a2d 936# ifdef PERL_POLLUTE_MALLOC
ee13e175 937# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
938# define Perl_malloc malloc
939# define Perl_calloc calloc
940# define Perl_realloc realloc
941# define Perl_mfree free
ee13e175 942# endif
86058a2d
GS
943# else
944# define EMBEDMYMALLOC /* for compatibility */
945# endif
827e134a 946
651b9576
GS
947# define safemalloc Perl_malloc
948# define safecalloc Perl_calloc
949# define saferealloc Perl_realloc
950# define safefree Perl_mfree
22f7c9c9
JH
951# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
952 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
953 code; \
954 } STMT_END
955# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
956 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
957# define panic_write2(s) write(2, s, strlen(s))
958# define CHECK_MALLOC_TAINT(newval) \
959 CHECK_MALLOC_TOO_LATE_FOR_( \
960 if (newval) { \
961 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
962 exit(1); })
22f7c9c9 963# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 964 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
965 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
966 }} STMT_END;
f2517201
GS
967#else /* MYMALLOC */
968# define safemalloc safesysmalloc
969# define safecalloc safesyscalloc
970# define saferealloc safesysrealloc
971# define safefree safesysfree
22f7c9c9
JH
972# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
973# define CHECK_MALLOC_TAINT(newval) ((void)0)
974# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 975#endif /* MYMALLOC */
4633a7c4 976
27da23d5 977#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
978#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
979#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
980#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
981
a0d0e21e
LW
982#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
983#define strchr index
984#define strrchr rindex
985#endif
986
16d20bd9
AD
987#ifdef I_MEMORY
988# include <memory.h>
989#endif
990
fe14fcc3 991#ifdef HAS_MEMCPY
85e6fe83 992# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 993# ifndef memcpy
20ce7b12 994 extern char * memcpy (char*, char*, int);
ee0007ab
LW
995# endif
996# endif
997#else
998# ifndef memcpy
999# ifdef HAS_BCOPY
1000# define memcpy(d,s,l) bcopy(s,d,l)
1001# else
1002# define memcpy(d,s,l) my_bcopy(s,d,l)
1003# endif
1004# endif
1005#endif /* HAS_MEMCPY */
fe14fcc3 1006
ee0007ab 1007#ifdef HAS_MEMSET
85e6fe83 1008# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1009# ifndef memset
20ce7b12 1010 extern char *memset (char*, int, int);
ee0007ab
LW
1011# endif
1012# endif
ee0007ab 1013#else
12ae5dfc 1014# undef memset
fc36a67e 1015# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
1016#endif /* HAS_MEMSET */
1017
85e6fe83 1018#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1019# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
1020# define memmove(d,s,l) bcopy(s,d,l)
1021# else
2304df62 1022# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1023# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1024# else
79072805 1025# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1026# endif
352d5a3a 1027# endif
d9d8d8de 1028#endif
ee0007ab 1029
36477c24
PP
1030#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1031# undef HAS_MEMCMP
1032#endif
1033
1034#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1035# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1036# ifndef memcmp
20ce7b12 1037 extern int memcmp (char*, char*, int);
ee0007ab
LW
1038# endif
1039# endif
36477c24 1040# ifdef BUGGY_MSC
7e4e8c89 1041# pragma function(memcmp)
36477c24 1042# endif
ee0007ab
LW
1043#else
1044# ifndef memcmp
ecfc5424 1045# define memcmp my_memcmp
352d5a3a 1046# endif
36477c24 1047#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1048
fc36a67e 1049#ifndef memzero
c635e13b
PP
1050# ifdef HAS_MEMSET
1051# define memzero(d,l) memset(d,0,l)
79072805 1052# else
c635e13b
PP
1053# ifdef HAS_BZERO
1054# define memzero(d,l) bzero(d,l)
79072805 1055# else
fc36a67e 1056# define memzero(d,l) my_bzero(d,l)
79072805
LW
1057# endif
1058# endif
d9d8d8de 1059#endif
378cc40b 1060
2f42fcb0 1061#ifndef PERL_MICRO
0f27ced1
JH
1062#ifndef memchr
1063# ifndef HAS_MEMCHR
1064# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1065# endif
1066#endif
2f42fcb0 1067#endif
0f27ced1 1068
36477c24
PP
1069#ifndef HAS_BCMP
1070# ifndef bcmp
1071# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1072# endif
36477c24 1073#endif /* !HAS_BCMP */
378cc40b 1074
ae986130 1075#ifdef I_NETINET_IN
79072805 1076# include <netinet/in.h>
ae986130
LW
1077#endif
1078
28e8609d
JH
1079#ifdef I_ARPA_INET
1080# include <arpa/inet.h>
1081#endif
1082
84902520
TB
1083#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1084/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1085 * (the neo-BSD seem to do this). */
1086# undef SF_APPEND
1087#endif
1088
1aef975c 1089#ifdef I_SYS_STAT
84902520 1090# include <sys/stat.h>
1aef975c 1091#endif
79072805 1092
a0d0e21e
LW
1093/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1094 like UTekV) are broken, sometimes giving false positives. Undefine
1095 them here and let the code below set them to proper values.
1096
1097 The ghs macro stands for GreenHills Software C-1.8.5 which
1098 is the C compiler for sysV88 and the various derivatives.
1099 This header file bug is corrected in gcc-2.5.8 and later versions.
1100 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1101
1102#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
1103# undef S_ISDIR
1104# undef S_ISCHR
1105# undef S_ISBLK
1106# undef S_ISREG
1107# undef S_ISFIFO
1108# undef S_ISLNK
ee0007ab 1109#endif
135863df 1110
663a0e37
LW
1111#ifdef I_TIME
1112# include <time.h>
ffed7fef 1113#endif
663a0e37 1114
fe14fcc3 1115#ifdef I_SYS_TIME
85e6fe83 1116# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1117# define KERNEL
1118# endif
1119# include <sys/time.h>
85e6fe83 1120# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1121# undef KERNEL
1122# endif
a687059c 1123#endif
135863df 1124
55497cff 1125#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1126# include <sys/times.h>
d9d8d8de 1127#endif
8d063cd8 1128
fe14fcc3 1129#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1130# undef HAS_STRERROR
663a0e37
LW
1131#endif
1132
1133#include <errno.h>
1e743fda 1134
acfe0abc 1135#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1136# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1137#endif
1138
8cfab5ff
JH
1139/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1140 * This is important for using IPv6.
1141 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1142 * a bad idea since it breaks send() and recv(). */
1143#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1144# define _SOCKADDR_LEN
1145#endif
1146
8d3f517a 1147#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
1148# include <sys/socket.h>
1149# if defined(USE_SOCKS) && defined(I_SOCKS)
1150# if !defined(INCLUDE_PROTOTYPES)
1151# define INCLUDE_PROTOTYPES /* for <socks.h> */
1152# define PERL_SOCKS_NEED_PROTOTYPES
1153# endif
1154# include <socks.h>
1155# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1156# undef INCLUDE_PROTOTYPES
1157# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1158# endif
d460ef45 1159# endif
1e743fda 1160# ifdef I_NETDB
2986a63f
JH
1161# ifdef NETWARE
1162# include<stdio.h>
1163# endif
1e743fda
JH
1164# include <netdb.h>
1165# endif
1166# ifndef ENOTSOCK
1167# ifdef I_NET_ERRNO
1168# include <net/errno.h>
1169# endif
1170# endif
1171#endif
1172
fa0a29af 1173/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1174 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1175 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1176#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1177# if defined(__THROW) && defined(__GLIBC__)
1178int sockatmark(int) __THROW;
1179# else
2ef53570 1180int sockatmark(int);
29820b6d 1181# endif
2ef53570
JH
1182#endif
1183
7e827271 1184#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
1185EXTERN_C int fchdir(int);
1186EXTERN_C int flock(int, int);
1187EXTERN_C int fseeko(FILE *, off_t, int);
1188EXTERN_C off_t ftello(FILE *);
1189#endif
1190
7e827271 1191#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1192EXTERN_C char *crypt(const char *, const char *);
7e827271 1193EXTERN_C char **environ;
1ccb7c8d
JH
1194#endif
1195
b91fbb93
SP
1196#if defined(__OpenBSD__) && defined(__cplusplus)
1197EXTERN_C char **environ;
1198#endif
1199
667e2948
SP
1200#if defined(__CYGWIN__) && defined(__cplusplus)
1201EXTERN_C char *crypt(const char *, const char *);
1202#endif
1203
1e743fda
JH
1204#ifdef SETERRNO
1205# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1206#endif
f86702cc
PP
1207
1208#ifdef VMS
1209# define SETERRNO(errcode,vmserrcode) \
1210 STMT_START { \
1211 set_errno(errcode); \
1212 set_vaxc_errno(vmserrcode); \
1213 } STMT_END
93189314
JH
1214# define LIB_INVARG LIB$_INVARG
1215# define RMS_DIR RMS$_DIR
1216# define RMS_FAC RMS$_FAC
1217# define RMS_FEX RMS$_FEX
1218# define RMS_FNF RMS$_FNF
1219# define RMS_IFI RMS$_IFI
1220# define RMS_ISI RMS$_ISI
1221# define RMS_PRV RMS$_PRV
1222# define SS_ACCVIO SS$_ACCVIO
1223# define SS_DEVOFFLINE SS$_DEVOFFLINE
1224# define SS_IVCHAN SS$_IVCHAN
1225# define SS_NORMAL SS$_NORMAL
748a9306 1226#else
aba27d88 1227# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH
1228# define LIB_INVARG 0
1229# define RMS_DIR 0
1230# define RMS_FAC 0
1231# define RMS_FEX 0
1232# define RMS_FNF 0
1233# define RMS_IFI 0
1234# define RMS_ISI 0
1235# define RMS_PRV 0
1236# define SS_ACCVIO 0
1237# define SS_DEVOFFLINE 0
1238# define SS_IVCHAN 0
1239# define SS_NORMAL 0
748a9306 1240#endif
ed6116ce 1241
3db8f154 1242#define ERRSV GvSV(PL_errgv)
e203899d
NC
1243/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1244#define DEFSV GvSVn(PL_defgv)
3db8f154 1245#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1246
98eae8f5
GS
1247#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1248
55497cff 1249#ifndef errno
5ff3f7a4
GS
1250 extern int errno; /* ANSI allows errno to be an lvalue expr.
1251 * For example in multithreaded environments
1252 * something like this might happen:
1253 * extern int *_errno(void);
1254 * #define errno (*_errno()) */
d9d8d8de 1255#endif
663a0e37 1256
2304df62 1257#ifdef HAS_STRERROR
a0d0e21e 1258# ifdef VMS
20ce7b12 1259 char *strerror (int,...);
a0d0e21e 1260# else
68dc0745 1261#ifndef DONT_DECLARE_STD
20ce7b12 1262 char *strerror (int);
68dc0745 1263#endif
a0d0e21e 1264# endif
2304df62
AD
1265# ifndef Strerror
1266# define Strerror strerror
1267# endif
1268#else
1269# ifdef HAS_SYS_ERRLIST
79072805
LW
1270 extern int sys_nerr;
1271 extern char *sys_errlist[];
2304df62
AD
1272# ifndef Strerror
1273# define Strerror(e) \
79072805 1274 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1275# endif
79072805 1276# endif
35c8bce7 1277#endif
663a0e37 1278
2304df62 1279#ifdef I_SYS_IOCTL
79072805
LW
1280# ifndef _IOCTL_
1281# include <sys/ioctl.h>
1282# endif
a687059c
LW
1283#endif
1284
ee0007ab 1285#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1286# ifdef HAS_SOCKETPAIR
1287# undef HAS_SOCKETPAIR
1288# endif
2304df62
AD
1289# ifdef I_NDBM
1290# undef I_NDBM
79072805 1291# endif
a687059c
LW
1292#endif
1293
02fc2eee
NC
1294#ifndef HAS_SOCKETPAIR
1295# ifdef HAS_SOCKET
1296# define socketpair Perl_my_socketpair
1297# endif
1298#endif
1299
a687059c 1300#if INTSIZE == 2
79072805
LW
1301# define htoni htons
1302# define ntohi ntohs
a687059c 1303#else
79072805
LW
1304# define htoni htonl
1305# define ntohi ntohl
a687059c
LW
1306#endif
1307
a0d0e21e 1308/* Configure already sets Direntry_t */
35c8bce7 1309#if defined(I_DIRENT)
663a0e37 1310# include <dirent.h>
8f1f23e8
W
1311 /* NeXT needs dirent + sys/dir.h */
1312# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1313# include <sys/dir.h>
1314# endif
ae986130 1315#else
fe14fcc3 1316# ifdef I_SYS_NDIR
79a0689e 1317# include <sys/ndir.h>
663a0e37 1318# else
fe14fcc3 1319# ifdef I_SYS_DIR
79a0689e
LW
1320# ifdef hp9000s500
1321# include <ndir.h> /* may be wrong in the future */
1322# else
1323# include <sys/dir.h>
1324# endif
663a0e37
LW
1325# endif
1326# endif
4633a7c4 1327#endif
a687059c 1328
12ae5dfc
JH
1329#ifdef PERL_MICRO
1330# ifndef DIR
1331# define DIR void
1332# endif
1333#endif
1334
352d5a3a
LW
1335#ifdef FPUTS_BOTCH
1336/* work around botch in SunOS 4.0.1 and 4.0.2 */
1337# ifndef fputs
79072805 1338# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
1339# endif
1340#endif
1341
c623bd54
LW
1342/*
1343 * The following gobbledygook brought to you on behalf of __STDC__.
1344 * (I could just use #ifndef __STDC__, but this is more bulletproof
1345 * in the face of half-implementations.)
1346 */
1347
7114a2d2 1348#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH
1349#include <sys/mode.h>
1350#endif
1351
c623bd54
LW
1352#ifndef S_IFMT
1353# ifdef _S_IFMT
1354# define S_IFMT _S_IFMT
1355# else
1356# define S_IFMT 0170000
1357# endif
1358#endif
1359
1360#ifndef S_ISDIR
1361# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1362#endif
1363
1364#ifndef S_ISCHR
1365# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1366#endif
1367
1368#ifndef S_ISBLK
fe14fcc3
LW
1369# ifdef S_IFBLK
1370# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1371# else
1372# define S_ISBLK(m) (0)
1373# endif
c623bd54
LW
1374#endif
1375
1376#ifndef S_ISREG
1377# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1378#endif
1379
1380#ifndef S_ISFIFO
fe14fcc3
LW
1381# ifdef S_IFIFO
1382# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1383# else
1384# define S_ISFIFO(m) (0)
1385# endif
c623bd54
LW
1386#endif
1387
1388#ifndef S_ISLNK
1389# ifdef _S_ISLNK
1390# define S_ISLNK(m) _S_ISLNK(m)
1391# else
1392# ifdef _S_IFLNK
1393# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1394# else
1395# ifdef S_IFLNK
1396# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1397# else
1398# define S_ISLNK(m) (0)
1399# endif
1400# endif
1401# endif
1402#endif
1403
1404#ifndef S_ISSOCK
1405# ifdef _S_ISSOCK
1406# define S_ISSOCK(m) _S_ISSOCK(m)
1407# else
1408# ifdef _S_IFSOCK
1409# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1410# else
1411# ifdef S_IFSOCK
1412# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1413# else
1414# define S_ISSOCK(m) (0)
1415# endif
1416# endif
1417# endif
1418#endif
1419
1420#ifndef S_IRUSR
1421# ifdef S_IREAD
1422# define S_IRUSR S_IREAD
1423# define S_IWUSR S_IWRITE
1424# define S_IXUSR S_IEXEC
1425# else
1426# define S_IRUSR 0400
1427# define S_IWUSR 0200
1428# define S_IXUSR 0100
1429# endif
fac7cdfc 1430#endif
1431
1432#ifndef S_IRGRP
1433# ifdef S_IRUSR
1434# define S_IRGRP (S_IRUSR>>3)
1435# define S_IWGRP (S_IWUSR>>3)
1436# define S_IXGRP (S_IXUSR>>3)
1437# else
1438# define S_IRGRP 0040
1439# define S_IWGRP 0020
1440# define S_IXGRP 0010
1441# endif
1442#endif
1443
1444#ifndef S_IROTH
1445# ifdef S_IRUSR
1446# define S_IROTH (S_IRUSR>>6)
1447# define S_IWOTH (S_IWUSR>>6)
1448# define S_IXOTH (S_IXUSR>>6)
1449# else
1450# define S_IROTH 0040
1451# define S_IWOTH 0020
1452# define S_IXOTH 0010
1453# endif
c623bd54
LW
1454#endif
1455
1456#ifndef S_ISUID
1457# define S_ISUID 04000
1458#endif
1459
1460#ifndef S_ISGID
1461# define S_ISGID 02000
1462#endif
1463
ca6e1c26
JH
1464#ifndef S_IRWXU
1465# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1466#endif
ca6e1c26
JH
1467
1468#ifndef S_IRWXG
1469# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1470#endif
ca6e1c26
JH
1471
1472#ifndef S_IRWXO
1473# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1474#endif
ca6e1c26 1475
c21fb2b8
JH
1476/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1477 * which would get included through <sys/file.h >, but that is 3000
1478 * lines in the future. --jhi */
1479
1480#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH
1481# define S_IREAD S_IRUSR
1482#endif
1483
c21fb2b8 1484#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH
1485# define S_IWRITE S_IWUSR
1486#endif
1487
1488#ifndef S_IEXEC
1489# define S_IEXEC S_IXUSR
1490#endif
1491
79072805
LW
1492#ifdef ff_next
1493# undef ff_next
352d5a3a
LW
1494#endif
1495
a0d0e21e 1496#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1497# define SLOPPYDIVIDE
1498#endif
1499
748a9306
LW
1500#ifdef UV
1501#undef UV
1502#endif
1503
c89df6bf
JH
1504#ifdef SPRINTF_E_BUG
1505# define sprintf UTS_sprintf_wrap
1506#endif
1507
ce582cee
NC
1508/* For the times when you want the return value of sprintf, and you want it
1509 to be the length. Can't have a thread variable passed in, because C89 has
1510 no varargs macros.
1511*/
1512#ifdef SPRINTF_RETURNS_STRLEN
1513# define my_sprintf sprintf
1514#else
1515# define my_sprintf Perl_my_sprintf
1516#endif
1517
5b692037
JH
1518/*
1519 * If we have v?snprintf() and the C99 variadic macros, we can just
1520 * use just the v?snprintf(). It is nice to try to trap the buffer
1521 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1522 * gcc statement expressions, then use the function wrappers which try
1523 * to trap the overflow. If we can use the gcc statement expressions,
1524 * we can try that even with the version that uses the C99 variadic
1525 * macros.
5b692037
JH
1526 */
1527
1208b3dd
JH
1528/* Note that we do not check against snprintf()/vsnprintf() returning
1529 * negative values because that is non-standard behaviour and we use
1530 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1531 * that should be true only if the snprintf()/vsnprintf() are true
1532 * to the standard. */
1533
dfeee9b1 1534#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1535# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1536# 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 1537# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1538# else
1539# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1540# endif
1541#else
1542# define my_snprintf Perl_my_snprintf
1208b3dd 1543# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1544#endif
1545
dfeee9b1 1546#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1547# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1548# 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 1549# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1550# else
1551# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1552# endif
1553#else
1554# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1555# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1556#endif
d9fad198 1557
a6cc4119
SP
1558#ifdef HAS_STRLCAT
1559# define my_strlcat strlcat
1560#else
1561# define my_strlcat Perl_my_strlcat
1562#endif
1563
1564#ifdef HAS_STRLCPY
1565# define my_strlcpy strlcpy
1566#else
1567# define my_strlcpy Perl_my_strlcpy
1568#endif
1569
c495e728
JH
1570/* Configure gets this right but the UTS compiler gets it wrong.
1571 -- Hal Morris <hom00@utsglobal.com> */
1572#ifdef UTS
1573# undef UVTYPE
1574# define UVTYPE unsigned
1575#endif
1576
05f13f53 1577/*
27d4fb96
PP
1578 The IV type is supposed to be long enough to hold any integral
1579 value or a pointer.
1580 --Andy Dougherty August 1996
1581*/
1582
a22e52b9
JH
1583typedef IVTYPE IV;
1584typedef UVTYPE UV;
8175356b 1585
10cc9d2a 1586#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1587# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1588# define IV_MAX INT64_MAX
1589# define IV_MIN INT64_MIN
1590# define UV_MAX UINT64_MAX
cae7ae48
JH
1591# ifndef UINT64_MIN
1592# define UINT64_MIN 0
1593# endif
5ff3f7a4
GS
1594# define UV_MIN UINT64_MIN
1595# else
1596# define IV_MAX PERL_QUAD_MAX
1597# define IV_MIN PERL_QUAD_MIN
1598# define UV_MAX PERL_UQUAD_MAX
1599# define UV_MIN PERL_UQUAD_MIN
1600# endif
cf2093f6
JH
1601# define IV_IS_QUAD
1602# define UV_IS_QUAD
79072805 1603#else
8175356b 1604# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1605# define IV_MAX INT32_MAX
1606# define IV_MIN INT32_MIN
716026f9
DL
1607# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1608# define UV_MAX UINT32_MAX
1609# else
1610# define UV_MAX 4294967295U
1611# endif
cae7ae48
JH
1612# ifndef UINT32_MIN
1613# define UINT32_MIN 0
1614# endif
5ff3f7a4
GS
1615# define UV_MIN UINT32_MIN
1616# else
1617# define IV_MAX PERL_LONG_MAX
1618# define IV_MIN PERL_LONG_MIN
1619# define UV_MAX PERL_ULONG_MAX
1620# define UV_MIN PERL_ULONG_MIN
1621# endif
8175356b 1622# if IVSIZE == 8
cf2093f6
JH
1623# define IV_IS_QUAD
1624# define UV_IS_QUAD
de1c2614
JH
1625# ifndef HAS_QUAD
1626# define HAS_QUAD
1627# endif
cf2093f6
JH
1628# else
1629# undef IV_IS_QUAD
1630# undef UV_IS_QUAD
de1c2614 1631# undef HAS_QUAD
cf2093f6 1632# endif
79072805 1633#endif
d7d93a81 1634
1109a392
MHM
1635#ifndef HAS_QUAD
1636# undef PERL_NEED_MY_HTOLE64
1637# undef PERL_NEED_MY_LETOH64
1638# undef PERL_NEED_MY_HTOBE64
1639# undef PERL_NEED_MY_BETOH64
1640#endif
1641
6cde8aec 1642#if defined(uts) || defined(UTS)
11afe549
HM
1643# undef UV_MAX
1644# define UV_MAX (4294967295u)
20601011
JH
1645#endif
1646
cae7ae48 1647#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1648#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1649
28e5dec8 1650#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1651#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1652#endif
1653
d460ef45 1654/*
26bb67e2
JH
1655 * The macros INT2PTR and NUM2PTR are (despite their names)
1656 * bi-directional: they will convert int/float to or from pointers.
1657 * However the conversion to int/float are named explicitly:
1658 * PTR2IV, PTR2UV, PTR2NV.
1659 *
1660 * For int conversions we do not need two casts if pointers are
1661 * the same size as IV and UV. Otherwise we need an explicit
1662 * cast (PTRV) to avoid compiler warnings.
1663 */
56431972
RB
1664#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1665# define PTRV UV
1666# define INT2PTR(any,d) (any)(d)
1667#else
d460ef45 1668# if PTRSIZE == LONGSIZE
56431972 1669# define PTRV unsigned long
e91e3b10 1670# define PTR2ul(p) (unsigned long)(p)
42718184 1671# else
56431972 1672# define PTRV unsigned
42718184 1673# endif
e91e3b10
RB
1674#endif
1675
1676#ifndef INT2PTR
56431972 1677# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1678#endif
e91e3b10
RB
1679
1680#ifndef PTR2ul
1681# define PTR2ul(p) INT2PTR(unsigned long,p)
1682#endif
1683
56431972
RB
1684#define NUM2PTR(any,d) (any)(PTRV)(d)
1685#define PTR2IV(p) INT2PTR(IV,p)
1686#define PTR2UV(p) INT2PTR(UV,p)
1687#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1688#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1689
8141890a
JH
1690/* According to strict ANSI C89 one cannot freely cast between
1691 * data pointers and function (code) pointers. There are at least
1692 * two ways around this. One (used below) is to do two casts,
1693 * first the other pointer to an (unsigned) integer, and then
1694 * the integer to the other pointer. The other way would be
1695 * to use unions to "overlay" the pointers. For an example of
1696 * the latter technique, see union dirpu in struct xpvio in sv.h.
1697 * The only feasible use is probably temporarily storing
1698 * function pointers in a data pointer (such as a void pointer). */
1699
e91e3b10
RB
1700#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1701#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1702
65202027 1703#ifdef USE_LONG_DOUBLE
1048ea30
JH
1704# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1705# define LONG_DOUBLE_EQUALS_DOUBLE
1706# endif
68d4903c 1707# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1708# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1709# endif
1710#endif
1711
2d4389e4
JH
1712#ifdef OVR_DBL_DIG
1713/* Use an overridden DBL_DIG */
1714# ifdef DBL_DIG
1715# undef DBL_DIG
1716# endif
1717# define DBL_DIG OVR_DBL_DIG
1718#else
1719/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1720 default value for printing floating point numbers in Gconvert
1721 (see config.h). (It also has other uses, such as figuring out if
1722 a given precision of printing can be done with a double instead of
1723 a long double - Allen).
2d4389e4
JH
1724*/
1725#ifdef I_LIMITS
1726#include <limits.h>
1727#endif
1728#ifdef I_FLOAT
1729#include <float.h>
1730#endif
1731#ifndef HAS_DBL_DIG
1732#define DBL_DIG 15 /* A guess that works lots of places */
1733#endif
1734#endif
1735
1736#ifdef OVR_LDBL_DIG
1737/* Use an overridden LDBL_DIG */
1738# ifdef LDBL_DIG
1739# undef LDBL_DIG
1740# endif
1741# define LDBL_DIG OVR_LDBL_DIG
1742#else
1743/* The following is all to get LDBL_DIG, in order to pick a nice
1744 default value for printing floating point numbers in Gconvert.
1745 (see config.h)
1746*/
68d4903c
JH
1747# ifdef I_LIMITS
1748# include <limits.h>
1749# endif
1750# ifdef I_FLOAT
1751# include <float.h>
1752# endif
1753# ifndef HAS_LDBL_DIG
1754# if LONG_DOUBLESIZE == 10
1755# define LDBL_DIG 18 /* assume IEEE */
1756# else
1757# if LONG_DOUBLESIZE == 12
1758# define LDBL_DIG 18 /* gcc? */
1759# else
1760# if LONG_DOUBLESIZE == 16
1761# define LDBL_DIG 33 /* assume IEEE */
1762# else
1763# if LONG_DOUBLESIZE == DOUBLESIZE
1764# define LDBL_DIG DBL_DIG /* bummer */
1765# endif
1766# endif
1767# endif
1768# endif
1769# endif
2d4389e4
JH
1770#endif
1771
20f6aaab
AS
1772/*
1773 * This is for making sure we have a good DBL_MAX value, if possible,
1774 * either for usage as NV_MAX or for usage in figuring out if we can
1775 * fit a given long double into a double, if bug-fixing makes it
1776 * necessary to do so. - Allen <allens@cpan.org>
1777 */
1778
205f51d8
AS
1779#ifdef I_LIMITS
1780# include <limits.h>
20f6aaab
AS
1781#endif
1782
205f51d8
AS
1783#ifdef I_VALUES
1784# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1785# include <values.h>
1786# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1787# define DBL_MAX MAXDOUBLE
1788# endif
1789# if defined(MINDOUBLE) && !defined(DBL_MIN)
1790# define DBL_MIN MINDOUBLE
1791# endif
1792# endif
1793#endif /* defined(I_VALUES) */
1794
a22e52b9 1795typedef NVTYPE NV;
8175356b 1796
792d8dab
JH
1797#ifdef I_IEEEFP
1798# include <ieeefp.h>
1799#endif
923fc586 1800
65202027 1801#ifdef USE_LONG_DOUBLE
923fc586
JH
1802# ifdef I_SUNMATH
1803# include <sunmath.h>
1804# endif
2d4389e4 1805# define NV_DIG LDBL_DIG
d6c14000
JH
1806# ifdef LDBL_MANT_DIG
1807# define NV_MANT_DIG LDBL_MANT_DIG
1808# endif
06fc1729
JH
1809# ifdef LDBL_MIN
1810# define NV_MIN LDBL_MIN
1811# endif
1812# ifdef LDBL_MAX
1813# define NV_MAX LDBL_MAX
1814# endif
1815# ifdef LDBL_MIN_10_EXP
1816# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1817# endif
1818# ifdef LDBL_MAX_10_EXP
1819# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1820# endif
1821# ifdef LDBL_EPSILON
1822# define NV_EPSILON LDBL_EPSILON
1823# endif
f4a14a62
JH
1824# ifdef LDBL_MAX
1825# define NV_MAX LDBL_MAX
20f6aaab 1826/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1827# else
1828# ifdef HUGE_VALL
1829# define NV_MAX HUGE_VALL
1830# else
1831# ifdef HUGE_VAL
1832# define NV_MAX ((NV)HUGE_VAL)
1833# endif
1834# endif
1835# endif
68d4903c 1836# ifdef HAS_SQRTL
68d4903c
JH
1837# define Perl_cos cosl
1838# define Perl_sin sinl
1839# define Perl_sqrt sqrtl
1840# define Perl_exp expl
1841# define Perl_log logl
1842# define Perl_atan2 atan2l
1843# define Perl_pow powl
1844# define Perl_floor floorl
1bbae031 1845# define Perl_ceil ceill
68d4903c
JH
1846# define Perl_fmod fmodl
1847# endif
a3540c92
JH
1848/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1849# ifdef HAS_MODFL
1850# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1851/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1852 prototype in <math.h> */
1853# ifndef HAS_MODFL_PROTO
a221a8a5 1854EXTERN_C long double modfl(long double, long double *);
51997bc3 1855# endif
03476e8e
JH
1856# else
1857# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1858 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1859# define Perl_modf(x,y) Perl_my_modfl(x,y)
1860# endif
a3540c92
JH
1861# endif
1862# ifdef HAS_FREXPL
dff3e0b8 1863# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1864# else
1865# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1866 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1867# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1868# endif
a3540c92 1869# endif
38dbb4c5 1870# ifndef Perl_isnan
758a5d79
JH
1871# ifdef HAS_ISNANL
1872# define Perl_isnan(x) isnanl(x)
1873# endif
1874# endif
1875# ifndef Perl_isinf
1876# ifdef HAS_FINITEL
1877# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1878# endif
1879# endif
65202027 1880#else
2d4389e4 1881# define NV_DIG DBL_DIG
d6c14000
JH
1882# ifdef DBL_MANT_DIG
1883# define NV_MANT_DIG DBL_MANT_DIG
1884# endif
06fc1729
JH
1885# ifdef DBL_MIN
1886# define NV_MIN DBL_MIN
1887# endif
1888# ifdef DBL_MAX
1889# define NV_MAX DBL_MAX
1890# endif
1891# ifdef DBL_MIN_10_EXP
1892# define NV_MIN_10_EXP DBL_MIN_10_EXP
1893# endif
1894# ifdef DBL_MAX_10_EXP
1895# define NV_MAX_10_EXP DBL_MAX_10_EXP
1896# endif
1897# ifdef DBL_EPSILON
1898# define NV_EPSILON DBL_EPSILON
1899# endif
205f51d8 1900# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1901# define NV_MAX DBL_MAX
1902# define NV_MIN DBL_MIN
1903# else
1904# ifdef HUGE_VAL
1905# define NV_MAX HUGE_VAL
1906# endif
1907# endif
65202027
DS
1908# define Perl_cos cos
1909# define Perl_sin sin
1910# define Perl_sqrt sqrt
1911# define Perl_exp exp
1912# define Perl_log log
1913# define Perl_atan2 atan2
1914# define Perl_pow pow
1915# define Perl_floor floor
1bbae031 1916# define Perl_ceil ceil
65202027 1917# define Perl_fmod fmod
a3540c92 1918# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1919# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1920#endif
1921
1922/* rumor has it that Win32 has _fpclass() */
1923
205f51d8
AS
1924/* SGI has fpclassl... but not with the same result values,
1925 * and it's via a typedef (not via #define), so will need to redo Configure
1926 * to use. Not worth the trouble, IMO, at least until the below is used
1927 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1928 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1929 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1930
758a5d79
JH
1931#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1932# ifdef I_IEEFP
1933# include <ieeefp.h>
1934# endif
1935# ifdef I_FP
1936# include <fp.h>
1937# endif
1938# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1939# define Perl_fp_class() fpclassl(x)
1940# else
1941# define Perl_fp_class() fpclass(x)
1942# endif
1943# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1944# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1945# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1946# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1947# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1948# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1949# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1950# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1951# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1952# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1953# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1954# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1955# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1956# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1957# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1958#endif
1959
7114a2d2 1960#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH
1961# include <math.h>
1962# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1963# include <fp_class.h>
1964# endif
1965# define Perl_fp_class(x) fp_class(x)
1966# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1967# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1968# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1969# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1970# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1971# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1972# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1973# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1974# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1975# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1976# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1977# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1978# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1979# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1980# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1981#endif
1982
1983#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1984# include <math.h>
1985# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1986# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1987# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1988# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1989# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1990# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1991#endif
1992
1993#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1994# include <math.h>
1995# ifndef _cplusplus
1996# define Perl_fp_class(x) class(x)
1997# else
1998# define Perl_fp_class(x) _class(x)
1999# endif
2000# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2001# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2002# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2003# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2004# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2005# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2006# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2007# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2008# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2009# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2010# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2011# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2012# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2013# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2014# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2015#endif
2016
2017/* rumor has it that Win32 has _isnan() */
2018
2019#ifndef Perl_isnan
a3540c92 2020# ifdef HAS_ISNAN
758a5d79
JH
2021# define Perl_isnan(x) isnan((NV)x)
2022# else
2023# ifdef Perl_fp_class_nan
2024# define Perl_isnan(x) Perl_fp_class_nan(x)
2025# else
2026# ifdef HAS_UNORDERED
2027# define Perl_isnan(x) unordered((x), 0.0)
2028# else
2029# define Perl_isnan(x) ((x)!=(x))
2030# endif
2031# endif
2032# endif
2033#endif
2034
ca6c63e1
JH
2035#ifdef UNDER_CE
2036int isnan(double d);
2037#endif
2038
758a5d79
JH
2039#ifndef Perl_isinf
2040# ifdef HAS_ISINF
2041# define Perl_isinf(x) isinf((NV)x)
a3540c92 2042# else
758a5d79
JH
2043# ifdef Perl_fp_class_inf
2044# define Perl_isinf(x) Perl_fp_class_inf(x)
2045# else
2046# define Perl_isinf(x) ((x)==NV_INF)
2047# endif
2048# endif
2049#endif
2050
2051#ifndef Perl_isfinite
2052# ifdef HAS_FINITE
2053# define Perl_isfinite(x) finite((NV)x)
2054# else
2055# ifdef HAS_ISFINITE
2056# define Perl_isfinite(x) isfinite(x)
2057# else
2058# ifdef Perl_fp_class_finite
2059# define Perl_isfinite(x) Perl_fp_class_finite(x)
2060# else
2061# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2062# endif
2063# endif
a3540c92 2064# endif
65202027
DS
2065#endif
2066
a36244b7
JH
2067/* The default is to use Perl's own atof() implementation (in numeric.c).
2068 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2069 * it is however best to use the native implementation of atof.
2070 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2071 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2072 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2073 * you may need to be using a different function than atof! */
a36244b7
JH
2074
2075#ifndef USE_PERL_ATOF
2076# ifndef _UNICOS
2077# define USE_PERL_ATOF
2078# endif
2079#else
2080# if USE_PERL_ATOF == 0
2081# undef USE_PERL_ATOF
2082# endif
2083#endif
2084
2085#ifdef USE_PERL_ATOF
2086# define Perl_atof(s) Perl_my_atof(s)
2087# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2088#else
2089# define Perl_atof(s) (NV)atof(s)
2090# define Perl_atof2(s, n) ((n) = atof(s))
2091#endif
cf2093f6 2092
d460ef45 2093/* Previously these definitions used hardcoded figures.
760ac839
LW
2094 * It is hoped these formula are more portable, although
2095 * no data one way or another is presently known to me.
2096 * The "PERL_" names are used because these calculated constants
2097 * do not meet the ANSI requirements for LONG_MAX, etc., which
2098 * need to be constants acceptable to #if - kja
2099 * define PERL_LONG_MAX 2147483647L
2100 * define PERL_LONG_MIN (-LONG_MAX - 1)
2101 * define PERL ULONG_MAX 4294967295L
2102 */
2103
2104#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2105# include <limits.h>
760ac839 2106#endif
205f51d8
AS
2107/* Included values.h above if necessary; still including limits.h down here,
2108 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 2109
99abf803
PP
2110/*
2111 * Try to figure out max and min values for the integral types. THE CORRECT
2112 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2113 * following hacks are used if neither limits.h or values.h provide them:
2114 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2115 * for types < int: (unsigned TYPE)~(unsigned)0
2116 * The argument to ~ must be unsigned so that later signed->unsigned
2117 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2118 * and it must not be smaller than int because ~ does integral promotion.
2119 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2120 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2121 * The latter is a hack which happens to work on some machines but
2122 * does *not* catch any random system, or things like integer types
2123 * with NaN if that is possible.
2124 *
2125 * All of the types are explicitly cast to prevent accidental loss of
2126 * numeric range, and in the hope that they will be less likely to confuse
2127 * over-eager optimizers.
2128 *
2129 */
27d4fb96 2130
99abf803
PP
2131#define PERL_UCHAR_MIN ((unsigned char)0)
2132
2133#ifdef UCHAR_MAX
2134# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2135#else
99abf803
PP
2136# ifdef MAXUCHAR
2137# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2138# else
99abf803 2139# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2140# endif
2141#endif
d460ef45 2142
99abf803
PP
2143/*
2144 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2145 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2146 * depending on local options. Until Configure detects this (or at least
2147 * detects whether the "signed" keyword is available) the CHAR ranges
2148 * will not be included. UCHAR functions normally.
2149 * - kja
2150 */
27d4fb96 2151
99abf803
PP
2152#define PERL_USHORT_MIN ((unsigned short)0)
2153
2154#ifdef USHORT_MAX
2155# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2156#else
99abf803
PP
2157# ifdef MAXUSHORT
2158# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2159# else
ef2f54b0
CB
2160# ifdef USHRT_MAX
2161# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2162# else
2163# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2164# endif
27d4fb96
PP
2165# endif
2166#endif
2167
27d4fb96 2168#ifdef SHORT_MAX
99abf803 2169# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2170#else
2171# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2172# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2173# else
ef2f54b0
CB
2174# ifdef SHRT_MAX
2175# define PERL_SHORT_MAX ((short)SHRT_MAX)
2176# else
2177# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2178# endif
27d4fb96
PP
2179# endif
2180#endif
2181
2182#ifdef SHORT_MIN
99abf803 2183# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2184#else
2185# ifdef MINSHORT
99abf803 2186# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2187# else
ef2f54b0
CB
2188# ifdef SHRT_MIN
2189# define PERL_SHORT_MIN ((short)SHRT_MIN)
2190# else
2191# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2192# endif
27d4fb96
PP
2193# endif
2194#endif
2195
99abf803
PP
2196#ifdef UINT_MAX
2197# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2198#else
99abf803
PP
2199# ifdef MAXUINT
2200# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2201# else
99abf803 2202# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2203# endif
2204#endif
2205
99abf803 2206#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2207
2208#ifdef INT_MAX
99abf803 2209# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2210#else
2211# ifdef MAXINT /* Often used in <values.h> */
99abf803 2212# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2213# else
99abf803 2214# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2215# endif
2216#endif
2217
2218#ifdef INT_MIN
99abf803 2219# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2220#else
2221# ifdef MININT
99abf803 2222# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2223# else
2224# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2225# endif
2226#endif
2227
99abf803
PP
2228#ifdef ULONG_MAX
2229# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2230#else
99abf803
PP
2231# ifdef MAXULONG
2232# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2233# else
99abf803 2234# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2235# endif
2236#endif
2237
99abf803 2238#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2239
760ac839 2240#ifdef LONG_MAX
99abf803 2241# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2242#else
2243# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2244# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2245# else
99abf803 2246# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2247# endif
2248#endif
2249
2250#ifdef LONG_MIN
99abf803 2251# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2252#else
2253# ifdef MINLONG
99abf803 2254# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2255# else
27d4fb96 2256# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2257# endif
2258#endif
2259
d7d93a81 2260#ifdef UV_IS_QUAD
99abf803 2261
99abf803 2262# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2263# define PERL_UQUAD_MIN ((UV)0)
99abf803 2264# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2265# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2266
79072805
LW
2267#endif
2268
22f7c9c9
JH
2269#ifdef MYMALLOC
2270# include "malloc_ctl.h"
2271#endif
2272
830247a4 2273struct RExC_state_t;
8e11feef 2274struct _reg_trie_data;
880b20b6 2275
ee0007ab 2276typedef MEM_SIZE STRLEN;
450a55e4 2277
598921a7
NC
2278#ifdef PERL_MAD
2279typedef struct token TOKEN;
2280typedef struct madprop MADPROP;
2281typedef struct nexttoken NEXTTOKE;
2282#endif
79072805
LW
2283typedef struct op OP;
2284typedef struct cop COP;
2285typedef struct unop UNOP;
2286typedef struct binop BINOP;
2287typedef struct listop LISTOP;
2288typedef struct logop LOGOP;
79072805
LW
2289typedef struct pmop PMOP;
2290typedef struct svop SVOP;
7934575e 2291typedef struct padop PADOP;
79072805 2292typedef struct pvop PVOP;
79072805
LW
2293typedef struct loop LOOP;
2294
cd1541b2
NC
2295typedef struct interpreter PerlInterpreter;
2296
d2b3f365
SS
2297/* Amdahl's <ksync.h> has struct sv */
2298/* SGI's <sys/sema.h> has struct sv */
2299#if defined(UTS) || defined(__sgi)
2300# define STRUCT_SV perl_sv
b8d3c5db
JH
2301#else
2302# define STRUCT_SV sv
2303#endif
2304typedef struct STRUCT_SV SV;
79072805
LW
2305typedef struct av AV;
2306typedef struct hv HV;
2307typedef struct cv CV;
378cc40b 2308typedef struct regexp REGEXP;
79072805 2309typedef struct gp GP;
0c30d9ec 2310typedef struct gv GV;
8990e307 2311typedef struct io IO;
c09156bb 2312typedef struct context PERL_CONTEXT;
79072805
LW
2313typedef struct block BLOCK;
2314
2315typedef struct magic MAGIC;
2316typedef struct xpv XPV;
2317typedef struct xpviv XPVIV;
ff68c719 2318typedef struct xpvuv XPVUV;
79072805
LW
2319typedef struct xpvnv XPVNV;
2320typedef struct xpvmg XPVMG;
2321typedef struct xpvlv XPVLV;
2322typedef struct xpvav XPVAV;
2323typedef struct xpvhv XPVHV;
2324typedef struct xpvgv XPVGV;
2325typedef struct xpvcv XPVCV;
2326typedef struct xpvbm XPVBM;
2327typedef struct xpvfm XPVFM;
8990e307 2328typedef struct xpvio XPVIO;
79072805
LW
2329typedef struct mgvtbl MGVTBL;
2330typedef union any ANY;
5f7fde29
GS
2331typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2332typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2333typedef struct clone_params CLONE_PARAMS;
2334
378cc40b 2335#include "handy.h"
a0d0e21e 2336
6b8eaf93 2337#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2338# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2339# define USE_64_BIT_RAWIO /* implicit */
2340# endif
4564133c
JH
2341#endif
2342
6b8eaf93
JH
2343/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2344 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2345 * however, because operating systems like to do that themself. */
2346#ifndef FSEEKSIZE
2347# ifdef HAS_FSEEKO
2348# define FSEEKSIZE LSEEKSIZE
2349# else
2350# define FSEEKSIZE LONGSIZE
d460ef45 2351# endif
6b8eaf93
JH
2352#endif
2353
2354#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2355# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2356# define USE_64_BIT_STDIO /* implicit */
2357# endif
2358#endif
4564133c 2359
09458382 2360#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2361# ifdef HAS_OFF64_T
2362# undef Off_t
2363# define Off_t off64_t
2364# undef LSEEKSIZE
2365# define LSEEKSIZE 8
5ff3f7a4 2366# endif
d9b3e12d
JH
2367/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2368 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2369 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2370# if defined(USE_OPEN64)
2371# define open open64
5ff3f7a4 2372# endif
d9b3e12d
JH
2373# if defined(USE_LSEEK64)
2374# define lseek lseek64
6b8eaf93
JH
2375# else
2376# if defined(USE_LLSEEK)
2377# define lseek llseek
2378# endif
d9b3e12d
JH
2379# endif
2380# if defined(USE_STAT64)
2381# define stat stat64
2382# endif
2383# if defined(USE_FSTAT64)
2384# define fstat fstat64
2385# endif
2386# if defined(USE_LSTAT64)
2387# define lstat lstat64
2388# endif
2389# if defined(USE_FLOCK64)
2390# define flock flock64
2391# endif
2392# if defined(USE_LOCKF64)
2393# define lockf lockf64
2394# endif
2395# if defined(USE_FCNTL64)
2396# define fcntl fcntl64
2397# endif
2398# if defined(USE_TRUNCATE64)
2399# define truncate truncate64
2400# endif
2401# if defined(USE_FTRUNCATE64)
2402# define ftruncate ftruncate64
2403# endif
2404#endif
2405
2406#ifdef USE_64_BIT_STDIO
2407# ifdef HAS_FPOS64_T
2408# undef Fpos_t
2409# define Fpos_t fpos64_t
2410# endif
2411/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2412 * will trigger defines like the ones below. Some 64-bit environments,
2413 * however, do not. */
2414# if defined(USE_FOPEN64)
2415# define fopen fopen64
2416# endif
2417# if defined(USE_FSEEK64)
6b8eaf93 2418# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2419# endif
2420# if defined(USE_FTELL64)
6b8eaf93 2421# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2422# endif
2423# if defined(USE_FSETPOS64)
2424# define fsetpos fsetpos64
2425# endif
2426# if defined(USE_FGETPOS64)
2427# define fgetpos fgetpos64
2428# endif
2429# if defined(USE_TMPFILE64)
2430# define tmpfile tmpfile64
2431# endif
2432# if defined(USE_FREOPEN64)
2433# define freopen freopen64
5ff3f7a4
GS
2434# endif
2435#endif
2436
af8b425d 2437#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH
2438# include "iperlsys.h"
2439#endif
2440
6f71a643 2441#if defined(__OPEN_VM)
19848b3f
JH
2442# include "vmesa/vmesaish.h"
2443# define ISHISH "vmesa"
6f71a643
JH
2444#endif
2445
748a9306 2446#ifdef DOSISH
19848b3f
JH
2447# if defined(OS2)
2448# include "os2ish.h"
2449# else
2450# include "dosish.h"
2451# endif
2452# define ISHISH "dos"
2453#endif
2454
2455#if defined(VMS)
748a9306 2456# include "vmsish.h"
96e176bf 2457# include "embed.h"
eb8433b7
NC
2458# ifndef PERL_MAD
2459# undef op_getmad
b3f24c00 2460# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2461# endif
19848b3f
JH
2462# define ISHISH "vms"
2463#endif
2464
2465#if defined(PLAN9)
2466# include "./plan9/plan9ish.h"
2467# define ISHISH "plan9"
2468#endif
2469
2470#if defined(MPE)
2471# include "mpeix/mpeixish.h"
2472# define ISHISH "mpeix"
2473#endif
2474
2475#if defined(__VOS__)
196918b0
PG
2476# ifdef __GNUC__
2477# include "./vos/vosish.h"
2478# else
2479# include "vos/vosish.h"
2480# endif
19848b3f
JH
2481# define ISHISH "vos"
2482#endif
2483
2484#if defined(EPOC)
2485# include "epocish.h"
2486# define ISHISH "epoc"
2487#endif
2488
9969cdde 2489#ifdef __SYMBIAN32__
27da23d5
JH
2490# include "symbian/symbianish.h"
2491# include "embed.h"
eb8433b7
NC
2492# ifndef PERL_MAD
2493# undef op_getmad
b3f24c00 2494# define op_getmad(arg,pegop,slot) NOOP
eb8433b7 2495# endif
27da23d5
JH
2496# define ISHISH "symbian"
2497#endif
2498
19848b3f
JH
2499#if defined(MACOS_TRADITIONAL)
2500# include "macos/macish.h"
2501# ifndef NO_ENVIRON_ARRAY
2502# define NO_ENVIRON_ARRAY
0c30d9ec 2503# endif
19848b3f
JH
2504# define ISHISH "macos classic"
2505#endif
2506
efca5cc6
JH
2507#if defined(__BEOS__)
2508# include "beos/beosish.h"
2509# define ISHISH "beos"
2510#endif
2511
19848b3f
JH
2512#ifndef ISHISH
2513# include "unixish.h"
2514# define ISHISH "unix"
13b6e58c
JH
2515#endif
2516
2946a158
JH
2517/* NSIG logic from Configure --> */
2518/* Strange style to avoid deeply-nested #if/#else/#endif */
2519#ifndef NSIG
2520# ifdef _NSIG
2521# define NSIG (_NSIG)
2522# endif
2523#endif
2524
2525#ifndef NSIG
2526# ifdef SIGMAX
2527# define NSIG (SIGMAX+1)
2528# endif
2529#endif
2530
2531#ifndef NSIG
2532# ifdef SIG_MAX
2533# define NSIG (SIG_MAX+1)
2534# endif
2535#endif
2536
2537#ifndef NSIG
2538# ifdef _SIG_MAX
2539# define NSIG (_SIG_MAX+1)
2540# endif
2541#endif
2542
2543#ifndef NSIG
2544# ifdef MAXSIG
2545# define NSIG (MAXSIG+1)
2546# endif
2547#endif
2548
2549#ifndef NSIG
2550# ifdef MAX_SIG
2551# define NSIG (MAX_SIG+1)
2552# endif
2553#endif
2554
2555#ifndef NSIG
2556# ifdef SIGARRAYSIZE
2557# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2558# endif
2559#endif
2560
2561#ifndef NSIG
2562# ifdef _sys_nsig
2563# define NSIG (_sys_nsig) /* Solaris 2.5 */
2564# endif
2565#endif
2566
2567/* Default to some arbitrary number that's big enough to get most
2568 of the common signals.
2569*/
2570#ifndef NSIG
2571# define NSIG 50
2572#endif
2573/* <-- NSIG logic from Configure */
2574
13b6e58c
JH
2575#ifndef NO_ENVIRON_ARRAY
2576# define USE_ENVIRON_ARRAY
2577#endif
32f822de 2578
c77b533b
JH
2579/*
2580 * initialise to avoid floating-point exceptions from overflow, etc
2581 */
2582#ifndef PERL_FPU_INIT
2583# ifdef HAS_FPSETMASK
2584# if HAS_FLOATINGPOINT_H
2585# include <floatingpoint.h>
2586# endif
7f7c3354 2587# define PERL_FPU_INIT fpsetmask(0)
c77b533b 2588# else
2f42fcb0 2589# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2590# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2591# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2592# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2593# else
2594# define PERL_FPU_INIT
2f42fcb0 2595
7014c407 2596# endif
c77b533b
JH
2597# endif
2598#endif
b35112e7
CS
2599#ifndef PERL_FPU_PRE_EXEC
2600# define PERL_FPU_PRE_EXEC {
2601# define PERL_FPU_POST_EXEC }
2602#endif
c77b533b 2603
ed344e4f
IZ
2604#ifndef PERL_SYS_INIT3
2605# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2606#endif
2607
be708cc0
JH
2608#ifndef PERL_WRITE_MSG_TO_CONSOLE
2609# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2610#endif
2611
0f31cffe
GS
2612#ifndef MAXPATHLEN
2613# ifdef PATH_MAX
b990c8b2
JH
2614# ifdef _POSIX_PATH_MAX
2615# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2616/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2617 * included the null byte or not. Later amendments of POSIX,
2618 * XPG4, the Austin Group, and the Single UNIX Specification
2619 * all explicitly include the null byte in the PATH_MAX.
2620 * Ditto for _POSIX_PATH_MAX. */
2621# define MAXPATHLEN PATH_MAX
b990c8b2 2622# else
09448d78 2623# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2624# endif
2625# else
2626# define MAXPATHLEN (PATH_MAX+1)
2627# endif
0f31cffe 2628# else
b990c8b2 2629# ifdef _POSIX_PATH_MAX
09448d78 2630# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2631# else
2632# define MAXPATHLEN 1024 /* Err on the large side. */
2633# endif
0f31cffe
GS
2634# endif
2635#endif
2636
c80263a8
SH
2637/* In case Configure was not used (we are using a "canned config"
2638 * such as Win32, or a cross-compilation setup, for example) try going
2639 * by the gcc major and minor versions. One useful URL is
2640 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2641 * but contrary to this information warn_unused_result seems
2642 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2643 * Also, when building extensions with an installed perl, this allows
2644 * the user to upgrade gcc and get the right attributes, rather than
2645 * relying on the list generated at Configure time. --AD
c80263a8
SH
2646 * Set these up now otherwise we get confused when some of the <*thread.h>
2647 * includes below indirectly pull in <perlio.h> (which needs to know if we
2648 * have HASATTRIBUTE_FORMAT).
2649 */
2650
fc2007d4 2651#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH
2652# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2653# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2654# if defined __MINGW32__
2655# define PRINTF_FORMAT_NULL_OK
2656# endif
c80263a8
SH
2657# endif
2658# if __GNUC__ >= 3 /* 3.0 -> */
2659# define HASATTRIBUTE_MALLOC
2660# endif
2661# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2662# define HASATTRIBUTE_NONNULL
2663# endif
2664# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2665# define HASATTRIBUTE_NORETURN
2666# endif
2667# if __GNUC__ >= 3 /* gcc 3.0 -> */
2668# define HASATTRIBUTE_PURE
2669# endif
42bf5550 2670# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2671# define HASATTRIBUTE_UNUSED
2672# endif
d324fe49
AD
2673# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2674# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2675# endif
c80263a8
SH
2676# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2677# define HASATTRIBUTE_WARN_UNUSED_RESULT
2678# endif
2679#endif
2680
3db8f154 2681/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2682 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2683 * this results in many functions being undeclared which bothers C++
2684 * May make sense to have threads after "*ish.h" anyway
2685 */
2686
3db8f154 2687#if defined(USE_ITHREADS)
2986a63f
JH
2688# ifdef NETWARE
2689# include <nw5thread.h>
2690# else
32f822de
GS
2691# ifdef FAKE_THREADS
2692# include "fakethr.h"
2693# else
2694# ifdef WIN32
2695# include <win32thread.h>
2696# else
dd96f567
IZ
2697# ifdef OS2
2698# include "os2thread.h"
2699# else
7f3d1cf1 2700# ifdef I_MACH_CTHREADS
bdd66968 2701# include <mach/cthreads.h>
8f1f23e8 2702# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2703# define MUTEX_INIT_CALLS_MALLOC
2704# endif
7f3d1cf1
BH
2705typedef cthread_t perl_os_thread;
2706typedef mutex_t perl_mutex;
2707typedef condition_t perl_cond;
2708typedef void * perl_key;
2709# else /* Posix threads */
1f5ae88c
JH
2710# ifdef I_PTHREAD
2711# include <pthread.h>
2712# endif
7f3d1cf1
BH
2713typedef pthread_t perl_os_thread;
2714typedef pthread_mutex_t perl_mutex;
2715typedef pthread_cond_t perl_cond;
2716typedef pthread_key_t perl_key;
2717# endif /* I_MACH_CTHREADS */
dd96f567 2718# endif /* OS2 */
32f822de
GS
2719# endif /* WIN32 */
2720# endif /* FAKE_THREADS */
2986a63f 2721#endif /* NETWARE */
3db8f154 2722#endif /* USE_ITHREADS */
c5be433b 2723
66a93824 2724#if defined(WIN32)
1feb2720 2725# include "win32.h"
c5be433b
GS
2726#endif
2727
2986a63f
JH
2728#ifdef NETWARE
2729# include "netware.h"
2730#endif
2731
e5218da5 2732#define STATUS_UNIX PL_statusvalue
68dc0745 2733#ifdef VMS
6b88bc9c 2734# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2735/*
2736 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2737 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2738 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2739 * be updated also.
2740 */
2741# include <stsdef.h>
2742# include <ssdef.h>
2743/* Presume this because if VMS changes it, it will require a new
2744 * set of APIs for waiting on children for binary compatibility.
2745 */
2746# define child_offset_bits (8)
2747# ifndef C_FAC_POSIX
2748# define C_FAC_POSIX 0x35A000
2749# endif
2750
2751/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2752 * platform from the existing UNIX or Native status values.
2753 */
2754
37038d91 2755# define STATUS_EXIT \
7a7fd8e0
JM
2756 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2757 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2758
7a7fd8e0 2759
fb38d079
JM
2760/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2761 * exit code and shifts the UNIX value over the correct number of bits to
2762 * be a child status. Usually the number of bits is 8, but that could be
2763 * platform dependent. The NATIVE status code is presumed to have either
2764 * from a child process.
7a7fd8e0
JM
2765 */
2766
fb38d079
JM
2767/* This is complicated. The child processes return a true native VMS
2768 status which must be saved. But there is an assumption in Perl that
2769 the UNIX child status has some relationship to errno values, so
2770 Perl tries to translate it to text in some of the tests.
2771 In order to get the string translation correct, for the error, errno
2772 must be EVMSERR, but that generates a different text message
2773 than what the test programs are expecting. So an errno value must
2774 be derived from the native status value when an error occurs.
2775 That will hide the true native status message. With this version of
2776 perl, the true native child status can always be retrieved so that
2777 is not a problem. But in this case, Pl_statusvalue and errno may
2778 have different values in them.
2779 */
7a7fd8e0 2780
fb38d079 2781# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2782 STMT_START { \
2fbb330f
JM
2783 I32 evalue = (I32)n; \
2784 if (evalue == EVMSERR) { \
2785 PL_statusvalue_vms = vaxc$errno; \
2786 PL_statusvalue = evalue; \
7a7fd8e0 2787 } else { \
2fbb330f 2788 PL_statusvalue_vms = evalue; \
fb38d079 2789 if (evalue == -1) { \
3280af22 2790 PL_statusvalue = -1; \
7a7fd8e0
JM
2791 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2792 } else \
fb38d079 2793 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2794 set_vaxc_errno(evalue); \
fb38d079
JM
2795 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2796 set_errno(EVMSERR); \
2797 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2798 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2799 } \
68dc0745 2800 } STMT_END
7a7fd8e0 2801
68dc0745 2802# ifdef VMSISH_STATUS
e5218da5 2803# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2804# else
e5218da5 2805# define STATUS_CURRENT STATUS_UNIX
68dc0745 2806# endif
7a7fd8e0
JM
2807
2808 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2809 * the NATIVE status to an equivalent value. Can not be used to translate
2810 * exit code values as exit code values are not guaranteed to have any
2811 * relationship at all to errno values.
2812 * This is used when Perl is forcing errno to have a specific value.
2813 */
e5218da5 2814# define STATUS_UNIX_SET(n) \
68dc0745 2815 STMT_START { \
7a7fd8e0 2816 I32 evalue = (I32)n; \
0968cdad 2817 PL_statusvalue = evalue; \
3280af22 2818 if (PL_statusvalue != -1) { \
0968cdad
JM
2819 if (PL_statusvalue != EVMSERR) { \
2820 PL_statusvalue &= 0xFFFF; \
2821 if (MY_POSIX_EXIT) \
2822 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2823 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2824 } \
2825 else { \
2826 PL_statusvalue_vms = vaxc$errno; \
2827 } \
68dc0745 2828 } \
0968cdad
JM
2829 else PL_statusvalue_vms = SS$_ABORT; \
2830 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2831 } STMT_END
2832
2833 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2834 * the NATIVE error status based on it. It does not assume that
fb38d079
JM
2835 * the UNIX/POSIX exit codes have any relationship to errno, except
2836 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM
2837 * with the Perl VMS documentation, any other code sets the NATIVE
2838 * status to a failure code of SS$_ABORT.
fb38d079
JM
2839 *
2840 * In the new POSIX EXIT mode, native status will be set so that the
2841 * actual exit code will can be retrieved by the calling program or
2842 * shell.
2843 *
2844 * If the exit code is not clearly a UNIX parent or child exit status,
2845 * it will be passed through as a VMS status.
7a7fd8e0
JM
2846 */
2847
fb38d079 2848# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2849 STMT_START { \
2850 I32 evalue = (I32)n; \
2851 PL_statusvalue = evalue; \
fb38d079
JM
2852 if (evalue != -1) { \
2853 if (evalue <= 0xFF00) { \
2854 if (evalue > 0xFF) \
2855 evalue = (evalue >> child_offset_bits) & 0xFF; \
2856 if (evalue == 0) \
2857 PL_statusvalue_vms == SS$_NORMAL; \
2858 else \
2859 if (MY_POSIX_EXIT) \
2860 PL_statusvalue_vms = \
2861 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2862 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2863 else \
6ac6a52b 2864 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM
2865 } else { /* forgive them Perl, for they have sinned */ \
2866 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2867 else PL_statusvalue_vms = vaxc$errno; \
2868 /* And obviously used a VMS status value instead of UNIX */ \
2869 PL_statusvalue = EVMSERR; \
2870 } \
7a7fd8e0
JM
2871 } \
2872 else PL_statusvalue_vms = SS$_ABORT; \
2873 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2874 } STMT_END
fb38d079 2875
6ac6a52b
JM
2876 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2877 * and sets the NATIVE error status based on it. This special case
2878 * is needed to maintain compatibility with past VMS behavior.
2879 *
2880 * In the default mode on VMS, this number is passed through as
2881 * both the NATIVE and UNIX status. Which makes it different
2882 * that the STATUS_UNIX_EXIT_SET.
2883 *
2884 * In the new POSIX EXIT mode, native status will be set so that the
2885 * actual exit code will can be retrieved by the calling program or
2886 * shell.
2887 *
2888 */
2889
2890# define STATUS_EXIT_SET(n) \
2891 STMT_START { \
2892 I32 evalue = (I32)n; \
2893 PL_statusvalue = evalue; \
2894 if (MY_POSIX_EXIT) \
2895 PL_statusvalue_vms = \
2896 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2897 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM
2898 else \
2899 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2900 set_vaxc_errno(PL_statusvalue_vms); \
2901 } STMT_END
2902
fb38d079
JM
2903
2904 /* This macro forces a success status */
7a7fd8e0
JM
2905# define STATUS_ALL_SUCCESS \
2906 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2907
2908 /* This macro forces a failure status */
7a7fd8e0
JM
2909# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2910 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2911 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2912
68dc0745 2913#else
e5218da5 2914# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2915# if defined(WCOREDUMP)
37038d91 2916# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2917 STMT_START { \
2918 PL_statusvalue_posix = (n); \
2919 if (PL_statusvalue_posix == -1) \
2920 PL_statusvalue = -1; \
2921 else { \
2922 PL_statusvalue = \
2923 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2924 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2925 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2926 } \
2927 } STMT_END
2928# elif defined(WIFEXITED)
37038d91 2929# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2930 STMT_START { \
2931 PL_statusvalue_posix = (n); \
2932 if (PL_statusvalue_posix == -1) \
2933 PL_statusvalue = -1; \
2934 else { \
2935 PL_statusvalue = \
2936 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2937 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2938 } \
2939 } STMT_END
2940# else
37038d91 2941# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2942 STMT_START { \
2943 PL_statusvalue_posix = (n); \
2944 if (PL_statusvalue_posix == -1) \
2945 PL_statusvalue = -1; \
2946 else { \
2947 PL_statusvalue = \
2948 PL_statusvalue_posix & 0xFFFF; \
2949 } \
2950 } STMT_END
2951# endif
2952# define STATUS_UNIX_SET(n) \
68dc0745 2953 STMT_START { \
3280af22
NIS
2954 PL_statusvalue = (n); \
2955 if (PL_statusvalue != -1) \
2956 PL_statusvalue &= 0xFFFF; \
68dc0745 2957 } STMT_END
7a7fd8e0 2958# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2959# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2960# define STATUS_CURRENT STATUS_UNIX
37038d91 2961# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2962# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2963# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2964#endif
2965
cc3604b1
GS
2966/* flags in PL_exit_flags for nature of exit() */
2967#define PERL_EXIT_EXPECTED 0x01
31d77e54 2968#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2969
0b94c7bb 2970#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
2971# define MEMBER_TO_FPTR(name) name
2972#endif
2973
2974/* format to use for version numbers in file/directory names */
273cf8d1 2975/* XXX move to Configure? */
a7cb1f99 2976#ifndef PERL_FS_VER_FMT
273cf8d1 2977# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
2978#endif
2979
45bc9206 2980/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2981 * performance issue, so we allow people to disable it. Also, if
2982 * we are using stdio, there are broken implementations of fflush(NULL)
2983 * out there, Solaris being the most prominent.
45bc9206
GS
2984 */
2985#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2986# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2987# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2988# else
2989# ifdef FFLUSH_ALL
2990# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2991# else
c5be433b 2992# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2993# endif
66fe083f 2994# endif
45bc9206
GS
2995#endif
2996
7766f137
GS
2997#ifndef PERL_WAIT_FOR_CHILDREN
2998# define PERL_WAIT_FOR_CHILDREN NOOP
2999#endif
3000
ba869deb 3001/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
3002#ifndef PERL_SET_INTERP
3003# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3004#endif
3005
3006#ifndef PERL_GET_INTERP
3007# define PERL_GET_INTERP (PL_curinterp)
3008#endif
3009
54aff467 3010#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3011# ifdef MULTIPLICITY
ba869deb 3012# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3013# endif
ba869deb
GS
3014# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3015#endif
3016
8896765a
RB
3017/*
3018 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3019 All that is required is that the perl source does not
8896765a
RB
3020 use "%-p" or "%-<number>p" or "%<number>p" formats.
3021 These formats will still work in perl code.
3022 See comments in sv.c for futher details.
3023
3024 -DvdNUMBER=<number> can be used to redefine VDf
3025
3026 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
3027 which works properly but gives compiler warnings
3028
3029 Robin Barker 2005-07-14
0dbb1585 3030*/
8896765a
RB
3031
3032#ifndef SVf_
63ce7bf0 3033# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3034#endif
3035
8896765a 3036#ifndef SVf
104abab4 3037# define SVf "-p"
d2560b70
RB
3038#endif
3039
014ead4b 3040#ifndef SVf32
8896765a 3041# define SVf32 SVf_(32)
014ead4b
RB
3042#endif
3043
3044#ifndef SVf256
8896765a
RB
3045# define SVf256 SVf_(256)
3046#endif
3047
be2597df
MHM
3048#define SVfARG(p) ((void*)(p))
3049
8896765a
RB
3050#ifndef vdNUMBER
3051# define vdNUMBER 1
3052#endif
3053
3054#ifndef VDf
3055# if vdNUMBER
63ce7bf0 3056# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB
3057# else
3058# define VDf "vd"
3059# endif
014ead4b 3060#endif
170cd9e9
NC
3061
3062#ifdef PERL_CORE
f5992bc4 3063/* not used; but needed for backward compatibilty with XS code? - RMB */
170cd9e9
NC
3064# ifndef UVf
3065# define UVf UVuf
3066# endif
3067#else
3068# undef UVf
d2560b70
RB
3069#endif
3070
0dbb1585
AL
3071#ifdef HASATTRIBUTE_FORMAT
3072# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3073#endif
3074#ifdef HASATTRIBUTE_MALLOC
77785eea 3075# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3076#endif
0dbb1585 3077#ifdef HASATTRIBUTE_NONNULL
abb2c242 3078# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3079#endif
0dbb1585 3080#ifdef HASATTRIBUTE_NORETURN
abb2c242 3081# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3082#endif
0dbb1585 3083#ifdef HASATTRIBUTE_PURE
abb2c242 3084# define __attribute__pure__ __attribute__((pure))
f22be1b8 3085#endif
0dbb1585
AL
3086#ifdef HASATTRIBUTE_UNUSED
3087# define __attribute__unused__ __attribute__((unused))
3088#endif
3089#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3090# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3091#endif
3092
0dbb1585
AL
3093/* If we haven't defined the attributes yet, define them to blank. */
3094#ifndef __attribute__format__
3095# define __attribute__format__(x,y,z)
3096#endif
f22be1b8 3097#ifndef __attribute__malloc__
abb2c242 3098# define __attribute__malloc__
f22be1b8
JH
3099#endif
3100#ifndef __attribute__nonnull__
abb2c242 3101# define __attribute__nonnull__(a)
f22be1b8
JH
3102#endif
3103#ifndef __attribute__noreturn__
abb2c242 3104# define __attribute__noreturn__
f22be1b8
JH
3105#endif
3106#ifndef __attribute__pure__
abb2c242 3107# define __attribute__pure__
f22be1b8 3108#endif
0dbb1585
AL
3109#ifndef __attribute__unused__
3110# define __attribute__unused__
3111#endif
f22be1b8 3112#ifndef __attribute__warn_unused_result__
abb2c242
JH
3113# define __attribute__warn_unused_result__
3114#endif
3115
0dbb1585
AL
3116/* For functions that are marked as __attribute__noreturn__, it's not
3117 appropriate to call return. In either case, include the lint directive.
3118 */
3119#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3120# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3121#else
b37c2d43 3122# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH
3123#endif
3124
cdfeb707
RB
3125/* Some OS warn on NULL format to printf */
3126#ifdef PRINTF_FORMAT_NULL_OK
3127# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3128#else
3129# define __attribute__format__null_ok__(x,y,z)
3130#endif
3131
635aebb7 3132#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3133# define EXPECT(expr,val) __builtin_expect(expr,val)
3134#else
3135# define EXPECT(expr,val) (expr)
3136#endif
3137#define LIKELY(cond) EXPECT(cond,1)
3138#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL
3139#ifdef HAS_BUILTIN_CHOOSE_EXPR
3140/* placeholder */
3141#endif
b37c2d43 3142
3fc1aec6
PP
3143/* Some unistd.h's give a prototype for pause() even though
3144 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3145 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3146*/
3147#ifdef HAS_PAUSE
3148#define Pause pause
3149#else
3150#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3151#endif
3152
3153#ifndef IOCPARM_LEN
3154# ifdef IOCPARM_MASK
61f1c44b 3155 /* on BSDish systems we're safe */
748a9306
LW
3156# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3157# else
61f1c44b 3158# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3159 /* on Linux systems we're safe; except when we're not [perl #38223] */
3160# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3161# else
748a9306 3162 /* otherwise guess at what's safe */
61f1c44b
JVD
3163# define IOCPARM_LEN(x) 256
3164# endif
748a9306 3165# endif
a0d0e21e
LW
3166#endif
3167
1761cee5 3168#if defined(__CYGWIN__)
521e0776
GS
3169/* USEMYBINMODE
3170 * This symbol, if defined, indicates that the program should
16fe6d59 3171 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3172 * that a file is in "binary" mode -- that is, that no translation
3173 * of bytes occurs on read or write operations.
3174 */
36894f0b 3175# define USEMYBINMODE /**/
77a40698 3176# include <io.h> /* for setmode() prototype */
16fe6d59 3177# define my_binmode(fp, iotype, mode) \
77a40698 3178 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3179#endif
3180
88d10794
JH
3181#ifdef __CYGWIN__
3182void init_os_extras(void);
3183#endif
3184
cea2e8a9
GS
3185#ifdef UNION_ANY_DEFINITION
3186UNION_ANY_DEFINITION;
3187#else
3188union any {
3189 void* any_ptr;
3190 I32 any_i32;
3191 IV any_iv;
3192 long any_long;
9febdf04 3193 bool any_bool;
c76ac1ee 3194 void (*any_dptr) (void*);
acfe0abc 3195 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3196};
3197#endif
3198
acfe0abc 3199typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3200
3201#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3202#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3203#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3204
c5078cac
JH
3205#if defined(_AIX) && !defined(_AIX43)
3206#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3207/* We cannot include <crypt.h> to get the struct crypt_data
3208 * because of setkey prototype problems when threading */
3209typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3210 /* From OSF, Not needed in AIX
3211 char C[28], D[28];
3212 */
3213 char E[48];
3214 char KS[16][48];
3215 char block[66];
3216 char iobuf[16];
3217} CRYPTD;
3218#endif /* threading */
3219#endif /* AIX */
3220
af8b425d 3221#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH
3222# include "iperlsys.h"
3223#endif
504f80c1 3224
d10dc2ae
JH
3225/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3226 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3227 * defined by Configure, despite their names being similar to the
3228 * other defines like USE_ITHREADS. Configure in fact knows nothing
3229 * about the randomised hashes. Therefore to enable/disable the hash
3230 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3231#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3232# define USE_HASH_SEED
504f80c1
JH
3233#endif
3234
598921a7
NC
3235/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3236 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3237 * it's not really needed.
3238 */
3239#if defined(WIN32)
3240# define YYTOKENTYPE
3241#endif
3242#include "perly.h"
3243
3244#ifdef PERL_MAD
3245struct nexttoken {
3246 YYSTYPE next_val; /* value of next token, if any */
3247 I32 next_type; /* type of next token */
3248 MADPROP *next_mad; /* everything else about that token */
3249};
3250#endif
3251
378cc40b 3252#include "regexp.h"
79072805 3253#include "sv.h"
378cc40b 3254#include "util.h"
8d063cd8 3255#include "form.h"
79072805 3256#include "gv.h"
dd2155a4 3257#include "pad.h"
79072805 3258#include "cv.h"
abdd5c84 3259#include "opnames.h"
79072805 3260#include "op.h"
b3ca2e83 3261#include "hv.h"
79072805
LW
3262#include "cop.h"
3263#include "av.h"
79072805
LW
3264#include "mg.h"
3265#include "scope.h"
4438c4b7 3266#include "warnings.h"
a0ed51b3 3267#include "utf8.h"
8d063cd8 3268
7fae4e64
GS
3269
3270typedef struct _sublex_info SUBLEXINFO;
3271struct _sublex_info {
3272 I32 super_state; /* lexer state to save */
3273 I32 sub_inwhat; /* "lex_inwhat" to use */
3274 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
3275 char *super_bufptr; /* PL_bufptr that was */
3276 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
3277};
3278
199e78b7
DM
3279#include "parser.h"
3280
455ece5e 3281typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3282
2c2d71f5 3283struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3284struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3285
6f51351d
NC
3286/* Keep next first in this structure, because sv_free_arenas take
3287 advantage of this to share code between the pte arenas and the SV
3288 body arenas */
5f7fde29
GS
3289struct ptr_tbl_ent {
3290 struct ptr_tbl_ent* next;
53c1dcc0 3291 const void* oldval;
5f7fde29 3292 void* newval;
d18c6117
GS
3293};
3294
5f7fde29
GS
3295struct ptr_tbl {
3296 struct ptr_tbl_ent** tbl_ary;
3297 UV tbl_max;
3298 UV tbl_items;
d18c6117
GS
3299};
3300
450a55e4 3301#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
3302# define I286
3303#endif
3304
fe14fcc3
LW
3305#if defined(htonl) && !defined(HAS_HTONL)
3306#define HAS_HTONL
ae986130 3307#endif
fe14fcc3
LW
3308#if defined(htons) && !defined(HAS_HTONS)
3309#define HAS_HTONS
ae986130 3310#endif
fe14fcc3
LW
3311#if defined(ntohl) && !defined(HAS_NTOHL)
3312#define HAS_NTOHL
ae986130 3313#endif
fe14fcc3
LW
3314#if defined(ntohs) && !defined(HAS_NTOHS)
3315#define HAS_NTOHS
ae986130 3316#endif
fe14fcc3 3317#ifndef HAS_HTONL
d9d8d8de 3318#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
3319#define HAS_HTONS
3320#define HAS_HTONL
3321#define HAS_NTOHS
3322#define HAS_NTOHL
a687059c
LW
3323#define MYSWAP
3324#define htons my_swap
3325#define htonl my_htonl
3326#define ntohs my_swap
3327#define ntohl my_ntohl
3328#endif
3329#else
d9d8d8de 3330#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
3331#undef HAS_HTONS
3332#undef HAS_HTONL
3333#undef HAS_NTOHS
3334#undef HAS_NTOHL
a687059c
LW
3335#endif
3336#endif
3337
988174c1
LW
3338/*
3339 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3340 * -DWS
3341 */
3342#if BYTEORDER != 0x1234
3343# define HAS_VTOHL
3344# define HAS_VTOHS
3345# define HAS_HTOVL
3346# define HAS_HTOVS
c67712b2 3347# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3348# define vtohl(x) ((((x)&0xFF)<<24) \
3349 +(((x)>>24)&0xFF) \
3350 +(((x)&0x0000FF00)<<8) \
3351 +(((x)&0x00FF0000)>>8) )
3352# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3353# define htovl(x) vtohl(x)
3354# define htovs(x) vtohs(x)
3355# endif
3356 /* otherwise default to functions in util.c */
2a8c3029 3357#ifndef htovs
c623ac67
GS
3358short htovs(short n);
3359short vtohs(short n);
3360long htovl(long n);
3361long vtohl(long n);
988174c1 3362#endif
2a8c3029 3363#endif
988174c1 3364
3bb7c1b4
JH
3365/* *MAX Plus 1. A floating point value.
3366 Hopefully expressed in a way that dodgy floating point can't mess up.
3367 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3368 is added to it
3369 May find that some broken compiler will want the value cast to I32.
3370 [after the shift, as signed >> may not be as secure as unsigned >>]
3371*/
3372#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3373#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3374/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3375 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3376 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3377*/
3378#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3379
3bb7c1b4
JH
3380#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3381#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3382#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3383
3384/* This may look like unnecessary jumping through hoops, but converting
3385 out of range floating point values to integers *is* undefined behaviour,
3386 and it is starting to bite.
3387*/
3388#ifndef CAST_INLINE
65202027 3389#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3390#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3391#define I_V(what) (cast_iv((NV)(what)))
3392#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3393#else
3394#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3395 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3396 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3397#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3398 : ((n) < U32_MAX_P1 ? (U32) (n) \
3399 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3400#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3401 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3402 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3403#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3404 : ((n) < UV_MAX_P1 ? (UV) (n) \
3405 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3406#endif
3407
3408#define U_S(what) ((U16)U_32(what))
3409#define U_I(what) ((unsigned int)U_32(what))
3410#define U_L(what) U_32(what)
ed6116ce 3411
ed140128
AD
3412#ifdef HAS_SIGNBIT
3413# define Perl_signbit signbit
3414#endif
3415
2d4389e4
JH
3416/* These do not care about the fractional part, only about the range. */
3417#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3418#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3419
25da4f38
IZ
3420/* Used with UV/IV arguments: */
3421 /* XXXX: need to speed it up */
3422#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3423#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3424
352d5a3a
LW
3425#ifndef MAXSYSFD
3426# define MAXSYSFD 2
3427#endif
ee0007ab 3428
79072805 3429#ifndef __cplusplus
27da23d5 3430#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3431Uid_t getuid (void);
3432Uid_t geteuid (void);
3433Gid_t getgid (void);
3434Gid_t getegid (void);
79072805 3435#endif
e1caacb4 3436#endif
8d063cd8 3437
0c30d9ec 3438#ifndef Perl_debug_log
bf49b057
GS
3439# define Perl_debug_log PerlIO_stderr()
3440#endif
3441
3442#ifndef Perl_error_log
3443# define Perl_error_log (PL_stderrgv \
6b78add2 3444 && isGV(PL_stderrgv) \
01bb7c6d 3445 && GvIOp(PL_stderrgv) \
42de951c 3446 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3447 ? IoOFP(GvIOp(PL_stderrgv)) \
3448 : PerlIO_stderr())
0c30d9ec 3449#endif
3967c732 3450
aea4f609
DM
3451
3452#define DEBUG_p_FLAG 0x00000001 /* 1 */
3453#define DEBUG_s_FLAG 0x00000002 /* 2 */
3454#define DEBUG_l_FLAG 0x00000004 /* 4 */
3455#define DEBUG_t_FLAG 0x00000008 /* 8 */
3456#define DEBUG_o_FLAG 0x00000010 /* 16 */
3457#define DEBUG_c_FLAG 0x00000020 /* 32 */
3458#define DEBUG_P_FLAG 0x00000040 /* 64 */
3459#define DEBUG_m_FLAG 0x00000080 /* 128 */
3460#define DEBUG_f_FLAG 0x00000100 /* 256 */
3461#define DEBUG_r_FLAG 0x00000200 /* 512 */
3462#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3463#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3464/* U is reserved for Unofficial, exploratory hacking */
3465#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3466#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3467#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3468#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3469#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3470#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3471#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3472#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3473#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3474#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3475#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3476#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3477#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM
3478
3479#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3480#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3481 that something was done? */
aea4f609 3482
bd16a5f0
IZ
3483# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3484# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3485# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3486# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3487# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3488# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3489# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3490# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3491# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3492# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3493# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3494# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3495# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3496# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3497# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3498# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3499# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3500# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3501# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3502# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3503# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3504# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3505# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3506# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3507# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3508
3967c732 3509#ifdef DEBUGGING
aea4f609 3510
bd16a5f0
IZ
3511# define DEBUG_p_TEST DEBUG_p_TEST_
3512# define DEBUG_s_TEST DEBUG_s_TEST_
3513# define DEBUG_l_TEST DEBUG_l_TEST_
3514# define DEBUG_t_TEST DEBUG_t_TEST_
3515# define DEBUG_o_TEST DEBUG_o_TEST_
3516# define DEBUG_c_TEST DEBUG_c_TEST_
3517# define DEBUG_P_TEST DEBUG_P_TEST_
3518# define DEBUG_m_TEST DEBUG_m_TEST_
3519# define DEBUG_f_TEST DEBUG_f_TEST_
3520# define DEBUG_r_TEST DEBUG_r_TEST_
3521# define DEBUG_x_TEST DEBUG_x_TEST_
3522# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3523# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3524# define DEBUG_H_TEST DEBUG_H_TEST_
3525# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3526# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ
3527# define DEBUG_D_TEST DEBUG_D_TEST_
3528# define DEBUG_S_TEST DEBUG_S_TEST_
3529# define DEBUG_T_TEST DEBUG_T_TEST_
3530# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3531# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3532# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3533# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3534# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3535# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3536
488b0c7a
JH
3537# define PERL_DEB(a) a
3538# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3539# define DEBUG_p(a) if (DEBUG_p_TEST) a
3540# define DEBUG_s(a) if (DEBUG_s_TEST) a
3541# define DEBUG_l(a) if (DEBUG_l_TEST) a
3542# define DEBUG_t(a) if (DEBUG_t_TEST) a
3543# define DEBUG_o(a) if (DEBUG_o_TEST) a
3544# define DEBUG_c(a) if (DEBUG_c_TEST) a
3545# define DEBUG_P(a) if (DEBUG_P_TEST) a
3546
969058bb
VK
3547 /* Temporarily turn off memory debugging in case the a
3548 * does memory allocation, either directly or indirectly. */
acfe0abc 3549# define DEBUG_m(a) \
0b250b9e 3550 STMT_START { \
aea4f609 3551 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3552 } STMT_END
aea4f609 3553
5f80b19c
AMS
3554# define DEBUG__(t, a) \
3555 STMT_START { \
3556 if (t) STMT_START {a;} STMT_END; \
3557 } STMT_END
3558
3559# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3560#ifndef PERL_EXT_RE_BUILD
5f80b19c 3561# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3562#else
3563# define DEBUG_r(a) STMT_START {a;} STMT_END
3564#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3565# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3566# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3567# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3568# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3569# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3570# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3571# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3572
3db8f154 3573# define DEBUG_S(a)
aea4f609 3574
5f80b19c
AMS
3575# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3576# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3577# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3578# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3579# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3580# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM
3581
3582#else /* DEBUGGING */
3583
3584# define DEBUG_p_TEST (0)
3585# define DEBUG_s_TEST (0)
3586# define DEBUG_l_TEST (0)
3587# define DEBUG_t_TEST (0)
3588# define DEBUG_o_TEST (0)
3589# define DEBUG_c_TEST (0)
3590# define DEBUG_P_TEST (0)
3591# define DEBUG_m_TEST (0)
3592# define DEBUG_f_TEST (0)
3593# define DEBUG_r_TEST (0)
3594# define DEBUG_x_TEST (0)
3595# define DEBUG_u_TEST (0)
88d2d28a 3596# define DEBUG_U_TEST (0)
aea4f609
DM
3597# define DEBUG_H_TEST (0)
3598# define DEBUG_X_TEST (0)
dd2155a4 3599# define DEBUG_Xv_TEST (0)
aea4f609
DM
3600# define DEBUG_D_TEST (0)
3601# define DEBUG_S_TEST (0)
3602# define DEBUG_T_TEST (0)
04932ac8 3603# define DEBUG_R_TEST (0)
1045810a 3604# define DEBUG_J_TEST (0)
d6721266 3605# define DEBUG_v_TEST (0)
46187eeb 3606# define DEBUG_C_TEST (0)
ecae49c0
NC
3607# define DEBUG_A_TEST (0)
3608# define DEBUG_q_TEST (0)
aea4f609 3609
488b0c7a
JH
3610# define PERL_DEB(a)
3611# define PERL_DEBUG(a)
aea4f609
DM
3612# define DEBUG_p(a)
3613# define DEBUG_s(a)
3614# define DEBUG_l(a)
3615# define DEBUG_t(a)
3616# define DEBUG_o(a)
3617# define DEBUG_c(a)
3618# define DEBUG_P(a)
3619# define DEBUG_m(a)
3620# define DEBUG_f(a)
3621# define DEBUG_r(a)
3622# define DEBUG_x(a)
3623# define DEBUG_u(a)
88d2d28a 3624# define DEBUG_U(a)
aea4f609
DM
3625# define DEBUG_H(a)
3626# define DEBUG_X(a)
dd2155a4 3627# define DEBUG_Xv(a)
aea4f609
DM
3628# define DEBUG_D(a)
3629# define DEBUG_S(a)
3630# define DEBUG_T(a)
04932ac8 3631# define DEBUG_R(a)
d6721266 3632# define DEBUG_v(a)
46187eeb 3633# define DEBUG_C(a)
ecae49c0
NC
3634# define DEBUG_A(a)
3635# define DEBUG_q(a)
aea4f609
DM
3636#endif /* DEBUGGING */
3637
3638
b4ab917c
DM
3639#define DEBUG_SCOPE(where) \
3640 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3641 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM
3642
3643
3644
3645
d1be9408 3646/* These constants should be used in preference to raw characters
14befaf4
DM
3647 * when using magic. Note that some perl guts still assume
3648 * certain character properties of these constants, namely that
3649 * isUPPER() and toLOWER() may do useful mappings.
3650 *
3651 * Update the magic_names table in dump.c when adding/amending these
3652 */
3653
3654#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3655#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3656#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3657#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3658#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3659#define PERL_MAGIC_regdata 'D' /* Regex match position data
3660 (@+ and @- vars) */
3661#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3662#define PERL_MAGIC_env 'E' /* %ENV hash */
3663#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3664#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3665#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
b3ca2e83
NC
3666#define PERL_MAGIC_hints 'H' /* %^H hash */
3667#define PERL_MAGIC_hintselem 'h' /* %^H hash element */
14befaf4
DM
3668#define PERL_MAGIC_isa 'I' /* @ISA array */
3669#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3670#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3671#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3672#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS
3673#define PERL_MAGIC_mutex 'm' /* for lock op */
3674#define PERL_MAGIC_shared 'N' /* Shared between threads */
3675#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM
3676#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3677#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3678#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3679#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3680#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3681#define PERL_MAGIC_sig 'S' /* %SIG hash */
3682#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3683#define PERL_MAGIC_taint 't' /* Taintedness */
3684#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3685#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3686#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3687#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3688#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM
3689#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3690#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3691 smart parameter vivification */
14befaf4
DM
3692#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3693#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3694#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3695#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3696#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3697#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM
3698#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3699
3700
a6e633de 3701#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC
3702#define assert(what) PERL_DEB( \
3703 ((what) ? ((void) 0) : \
67eb4d30 3704 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3705 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3706 (void) 0)))
a446a88f 3707#endif
8d063cd8 3708
450a55e4 3709struct ufuncs {
24f81a43
DM
3710 I32 (*uf_val)(pTHX_ IV, SV*);
3711 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3712 IV uf_index;
450a55e4
LW
3713};
3714
14befaf4 3715/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3716 * XS code wanting to be backward compatible can do something
3717 * like the following:
c745e42c 3718
24f81a43 3719#ifndef PERL_MG_UFUNC
24f81a43
DM
3720#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3721#endif
3722
3723static PERL_MG_UFUNC(foo_get, index, val)
3724{
3725 sv_setsv(val, ...);
3726 return TRUE;
3727}
3728
3729-- Doug MacEachern
3730
3731*/
3732
fc9c74e6 3733#ifndef PERL_MG_UFUNC
24f81a43 3734#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3735#endif
24f81a43 3736
fe14fcc3 3737/* Fix these up for __STDC__ */
68dc0745 3738#ifndef DONT_DECLARE_STD
20ce7b12 3739char *mktemp (char*);
37bd1396 3740#ifndef atof
20ce7b12 3741double atof (const char*);
a0d0e21e 3742#endif
37bd1396 3743#endif
79072805 3744
352d5a3a 3745#ifndef STANDARD_C
fe14fcc3 3746/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3747Time_t time();
8d063cd8 3748struct tm *gmtime(), *localtime();
092bebab 3749#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
3750char *(strchr)(), *(strrchr)();
3751char *(strcpy)(), *(strcat)();
3752#else
93a17b20 3753char *strchr(), *strrchr();
378cc40b 3754char *strcpy(), *strcat();
9d116dd7 3755#endif
352d5a3a 3756#endif /* ! STANDARD_C */
8d063cd8 3757
79072805
LW
3758
3759#ifdef I_MATH
3760# include <math.h>
3761#else
32f822de 3762START_EXTERN_C
20ce7b12
GS
3763 double exp (double);
3764 double log (double);
3765 double log10 (double);
3766 double sqrt (double);
3767 double frexp (double,int*);
3768 double ldexp (double,int);
3769 double modf (double,double*);
3770 double sin (double);
3771 double cos (double);
3772 double atan2 (double,double);
3773 double pow (double,double);
32f822de 3774END_EXTERN_C
79072805
LW
3775#endif
3776
aa8b85de
JH
3777#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3778# define NV_INF LDBL_INFINITY
3779#endif
3780#if !defined(NV_INF) && defined(DBL_INFINITY)
3781# define NV_INF (NV)DBL_INFINITY
3782#endif
3783#if !defined(NV_INF) && defined(INFINITY)
3784# define NV_INF (NV)INFINITY
3785#endif
3786#if !defined(NV_INF) && defined(INF)
3787# define NV_INF (NV)INF
3788#endif
3789#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3790# define NV_INF (NV)HUGE_VALL
3791#endif
3792#if !defined(NV_INF) && defined(HUGE_VAL)
3793# define NV_INF (NV)HUGE_VAL
3794#endif
3795
3796#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3797# if !defined(NV_NAN) && defined(LDBL_NAN)
3798# define NV_NAN LDBL_NAN
3799# endif
3800# if !defined(NV_NAN) && defined(LDBL_QNAN)
3801# define NV_NAN LDBL_QNAN
3802# endif
3803# if !defined(NV_NAN) && defined(LDBL_SNAN)
3804# define NV_NAN LDBL_SNAN